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1 | /* ELF executable support for BFD. |
1 | /* ELF executable support for BFD. |
2 | 2 | ||
3 | Copyright 1993-2013 Free Software Foundation, Inc. |
3 | Copyright (C) 1993-2015 Free Software Foundation, Inc. |
4 | 4 | ||
5 | This file is part of BFD, the Binary File Descriptor library. |
5 | This file is part of BFD, the Binary File Descriptor library. |
6 | 6 | ||
7 | This program is free software; you can redistribute it and/or modify |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by |
8 | it under the terms of the GNU General Public License as published by |
9 | the Free Software Foundation; either version 3 of the License, or |
9 | the Free Software Foundation; either version 3 of the License, or |
10 | (at your option) any later version. |
10 | (at your option) any later version. |
11 | 11 | ||
12 | This program is distributed in the hope that it will be useful, |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | GNU General Public License for more details. |
15 | GNU General Public License for more details. |
16 | 16 | ||
17 | You should have received a copy of the GNU General Public License |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software |
18 | along with this program; if not, write to the Free Software |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
20 | MA 02110-1301, USA. */ |
20 | MA 02110-1301, USA. */ |
21 | 21 | ||
22 | 22 | ||
23 | /* |
23 | /* |
24 | SECTION |
24 | SECTION |
25 | ELF backends |
25 | ELF backends |
26 | 26 | ||
27 | BFD support for ELF formats is being worked on. |
27 | BFD support for ELF formats is being worked on. |
28 | Currently, the best supported back ends are for sparc and i386 |
28 | Currently, the best supported back ends are for sparc and i386 |
29 | (running svr4 or Solaris 2). |
29 | (running svr4 or Solaris 2). |
30 | 30 | ||
31 | Documentation of the internals of the support code still needs |
31 | Documentation of the internals of the support code still needs |
32 | to be written. The code is changing quickly enough that we |
32 | to be written. The code is changing quickly enough that we |
33 | haven't bothered yet. */ |
33 | haven't bothered yet. */ |
34 | 34 | ||
35 | /* For sparc64-cross-sparc32. */ |
35 | /* For sparc64-cross-sparc32. */ |
36 | #define _SYSCALL32 |
36 | #define _SYSCALL32 |
37 | #include "sysdep.h" |
37 | #include "sysdep.h" |
38 | #include "bfd.h" |
38 | #include "bfd.h" |
39 | #include "bfdlink.h" |
39 | #include "bfdlink.h" |
40 | #include "libbfd.h" |
40 | #include "libbfd.h" |
41 | #define ARCH_SIZE 0 |
41 | #define ARCH_SIZE 0 |
42 | #include "elf-bfd.h" |
42 | #include "elf-bfd.h" |
43 | #include "libiberty.h" |
43 | #include "libiberty.h" |
44 | #include "safe-ctype.h" |
44 | #include "safe-ctype.h" |
45 | #include "elf-linux-psinfo.h" |
45 | #include "elf-linux-psinfo.h" |
46 | 46 | ||
47 | #ifdef CORE_HEADER |
47 | #ifdef CORE_HEADER |
48 | #include CORE_HEADER |
48 | #include CORE_HEADER |
49 | #endif |
49 | #endif |
50 | 50 | ||
51 | static int elf_sort_sections (const void *, const void *); |
51 | static int elf_sort_sections (const void *, const void *); |
52 | static bfd_boolean assign_file_positions_except_relocs (bfd *, struct bfd_link_info *); |
52 | static bfd_boolean assign_file_positions_except_relocs (bfd *, struct bfd_link_info *); |
53 | static bfd_boolean prep_headers (bfd *); |
53 | static bfd_boolean prep_headers (bfd *); |
54 | static bfd_boolean swap_out_syms (bfd *, struct bfd_strtab_hash **, int) ; |
54 | static bfd_boolean swap_out_syms (bfd *, struct elf_strtab_hash **, int) ; |
55 | static bfd_boolean elf_read_notes (bfd *, file_ptr, bfd_size_type) ; |
55 | static bfd_boolean elf_read_notes (bfd *, file_ptr, bfd_size_type) ; |
56 | static bfd_boolean elf_parse_notes (bfd *abfd, char *buf, size_t size, |
56 | static bfd_boolean elf_parse_notes (bfd *abfd, char *buf, size_t size, |
57 | file_ptr offset); |
57 | file_ptr offset); |
58 | 58 | ||
59 | /* Swap version information in and out. The version information is |
59 | /* Swap version information in and out. The version information is |
60 | currently size independent. If that ever changes, this code will |
60 | currently size independent. If that ever changes, this code will |
61 | need to move into elfcode.h. */ |
61 | need to move into elfcode.h. */ |
62 | 62 | ||
63 | /* Swap in a Verdef structure. */ |
63 | /* Swap in a Verdef structure. */ |
64 | 64 | ||
65 | void |
65 | void |
66 | _bfd_elf_swap_verdef_in (bfd *abfd, |
66 | _bfd_elf_swap_verdef_in (bfd *abfd, |
67 | const Elf_External_Verdef *src, |
67 | const Elf_External_Verdef *src, |
68 | Elf_Internal_Verdef *dst) |
68 | Elf_Internal_Verdef *dst) |
69 | { |
69 | { |
70 | dst->vd_version = H_GET_16 (abfd, src->vd_version); |
70 | dst->vd_version = H_GET_16 (abfd, src->vd_version); |
71 | dst->vd_flags = H_GET_16 (abfd, src->vd_flags); |
71 | dst->vd_flags = H_GET_16 (abfd, src->vd_flags); |
72 | dst->vd_ndx = H_GET_16 (abfd, src->vd_ndx); |
72 | dst->vd_ndx = H_GET_16 (abfd, src->vd_ndx); |
73 | dst->vd_cnt = H_GET_16 (abfd, src->vd_cnt); |
73 | dst->vd_cnt = H_GET_16 (abfd, src->vd_cnt); |
74 | dst->vd_hash = H_GET_32 (abfd, src->vd_hash); |
74 | dst->vd_hash = H_GET_32 (abfd, src->vd_hash); |
75 | dst->vd_aux = H_GET_32 (abfd, src->vd_aux); |
75 | dst->vd_aux = H_GET_32 (abfd, src->vd_aux); |
76 | dst->vd_next = H_GET_32 (abfd, src->vd_next); |
76 | dst->vd_next = H_GET_32 (abfd, src->vd_next); |
77 | } |
77 | } |
78 | 78 | ||
79 | /* Swap out a Verdef structure. */ |
79 | /* Swap out a Verdef structure. */ |
80 | 80 | ||
81 | void |
81 | void |
82 | _bfd_elf_swap_verdef_out (bfd *abfd, |
82 | _bfd_elf_swap_verdef_out (bfd *abfd, |
83 | const Elf_Internal_Verdef *src, |
83 | const Elf_Internal_Verdef *src, |
84 | Elf_External_Verdef *dst) |
84 | Elf_External_Verdef *dst) |
85 | { |
85 | { |
86 | H_PUT_16 (abfd, src->vd_version, dst->vd_version); |
86 | H_PUT_16 (abfd, src->vd_version, dst->vd_version); |
87 | H_PUT_16 (abfd, src->vd_flags, dst->vd_flags); |
87 | H_PUT_16 (abfd, src->vd_flags, dst->vd_flags); |
88 | H_PUT_16 (abfd, src->vd_ndx, dst->vd_ndx); |
88 | H_PUT_16 (abfd, src->vd_ndx, dst->vd_ndx); |
89 | H_PUT_16 (abfd, src->vd_cnt, dst->vd_cnt); |
89 | H_PUT_16 (abfd, src->vd_cnt, dst->vd_cnt); |
90 | H_PUT_32 (abfd, src->vd_hash, dst->vd_hash); |
90 | H_PUT_32 (abfd, src->vd_hash, dst->vd_hash); |
91 | H_PUT_32 (abfd, src->vd_aux, dst->vd_aux); |
91 | H_PUT_32 (abfd, src->vd_aux, dst->vd_aux); |
92 | H_PUT_32 (abfd, src->vd_next, dst->vd_next); |
92 | H_PUT_32 (abfd, src->vd_next, dst->vd_next); |
93 | } |
93 | } |
94 | 94 | ||
95 | /* Swap in a Verdaux structure. */ |
95 | /* Swap in a Verdaux structure. */ |
96 | 96 | ||
97 | void |
97 | void |
98 | _bfd_elf_swap_verdaux_in (bfd *abfd, |
98 | _bfd_elf_swap_verdaux_in (bfd *abfd, |
99 | const Elf_External_Verdaux *src, |
99 | const Elf_External_Verdaux *src, |
100 | Elf_Internal_Verdaux *dst) |
100 | Elf_Internal_Verdaux *dst) |
101 | { |
101 | { |
102 | dst->vda_name = H_GET_32 (abfd, src->vda_name); |
102 | dst->vda_name = H_GET_32 (abfd, src->vda_name); |
103 | dst->vda_next = H_GET_32 (abfd, src->vda_next); |
103 | dst->vda_next = H_GET_32 (abfd, src->vda_next); |
104 | } |
104 | } |
105 | 105 | ||
106 | /* Swap out a Verdaux structure. */ |
106 | /* Swap out a Verdaux structure. */ |
107 | 107 | ||
108 | void |
108 | void |
109 | _bfd_elf_swap_verdaux_out (bfd *abfd, |
109 | _bfd_elf_swap_verdaux_out (bfd *abfd, |
110 | const Elf_Internal_Verdaux *src, |
110 | const Elf_Internal_Verdaux *src, |
111 | Elf_External_Verdaux *dst) |
111 | Elf_External_Verdaux *dst) |
112 | { |
112 | { |
113 | H_PUT_32 (abfd, src->vda_name, dst->vda_name); |
113 | H_PUT_32 (abfd, src->vda_name, dst->vda_name); |
114 | H_PUT_32 (abfd, src->vda_next, dst->vda_next); |
114 | H_PUT_32 (abfd, src->vda_next, dst->vda_next); |
115 | } |
115 | } |
116 | 116 | ||
117 | /* Swap in a Verneed structure. */ |
117 | /* Swap in a Verneed structure. */ |
118 | 118 | ||
119 | void |
119 | void |
120 | _bfd_elf_swap_verneed_in (bfd *abfd, |
120 | _bfd_elf_swap_verneed_in (bfd *abfd, |
121 | const Elf_External_Verneed *src, |
121 | const Elf_External_Verneed *src, |
122 | Elf_Internal_Verneed *dst) |
122 | Elf_Internal_Verneed *dst) |
123 | { |
123 | { |
124 | dst->vn_version = H_GET_16 (abfd, src->vn_version); |
124 | dst->vn_version = H_GET_16 (abfd, src->vn_version); |
125 | dst->vn_cnt = H_GET_16 (abfd, src->vn_cnt); |
125 | dst->vn_cnt = H_GET_16 (abfd, src->vn_cnt); |
126 | dst->vn_file = H_GET_32 (abfd, src->vn_file); |
126 | dst->vn_file = H_GET_32 (abfd, src->vn_file); |
127 | dst->vn_aux = H_GET_32 (abfd, src->vn_aux); |
127 | dst->vn_aux = H_GET_32 (abfd, src->vn_aux); |
128 | dst->vn_next = H_GET_32 (abfd, src->vn_next); |
128 | dst->vn_next = H_GET_32 (abfd, src->vn_next); |
129 | } |
129 | } |
130 | 130 | ||
131 | /* Swap out a Verneed structure. */ |
131 | /* Swap out a Verneed structure. */ |
132 | 132 | ||
133 | void |
133 | void |
134 | _bfd_elf_swap_verneed_out (bfd *abfd, |
134 | _bfd_elf_swap_verneed_out (bfd *abfd, |
135 | const Elf_Internal_Verneed *src, |
135 | const Elf_Internal_Verneed *src, |
136 | Elf_External_Verneed *dst) |
136 | Elf_External_Verneed *dst) |
137 | { |
137 | { |
138 | H_PUT_16 (abfd, src->vn_version, dst->vn_version); |
138 | H_PUT_16 (abfd, src->vn_version, dst->vn_version); |
139 | H_PUT_16 (abfd, src->vn_cnt, dst->vn_cnt); |
139 | H_PUT_16 (abfd, src->vn_cnt, dst->vn_cnt); |
140 | H_PUT_32 (abfd, src->vn_file, dst->vn_file); |
140 | H_PUT_32 (abfd, src->vn_file, dst->vn_file); |
141 | H_PUT_32 (abfd, src->vn_aux, dst->vn_aux); |
141 | H_PUT_32 (abfd, src->vn_aux, dst->vn_aux); |
142 | H_PUT_32 (abfd, src->vn_next, dst->vn_next); |
142 | H_PUT_32 (abfd, src->vn_next, dst->vn_next); |
143 | } |
143 | } |
144 | 144 | ||
145 | /* Swap in a Vernaux structure. */ |
145 | /* Swap in a Vernaux structure. */ |
146 | 146 | ||
147 | void |
147 | void |
148 | _bfd_elf_swap_vernaux_in (bfd *abfd, |
148 | _bfd_elf_swap_vernaux_in (bfd *abfd, |
149 | const Elf_External_Vernaux *src, |
149 | const Elf_External_Vernaux *src, |
150 | Elf_Internal_Vernaux *dst) |
150 | Elf_Internal_Vernaux *dst) |
151 | { |
151 | { |
152 | dst->vna_hash = H_GET_32 (abfd, src->vna_hash); |
152 | dst->vna_hash = H_GET_32 (abfd, src->vna_hash); |
153 | dst->vna_flags = H_GET_16 (abfd, src->vna_flags); |
153 | dst->vna_flags = H_GET_16 (abfd, src->vna_flags); |
154 | dst->vna_other = H_GET_16 (abfd, src->vna_other); |
154 | dst->vna_other = H_GET_16 (abfd, src->vna_other); |
155 | dst->vna_name = H_GET_32 (abfd, src->vna_name); |
155 | dst->vna_name = H_GET_32 (abfd, src->vna_name); |
156 | dst->vna_next = H_GET_32 (abfd, src->vna_next); |
156 | dst->vna_next = H_GET_32 (abfd, src->vna_next); |
157 | } |
157 | } |
158 | 158 | ||
159 | /* Swap out a Vernaux structure. */ |
159 | /* Swap out a Vernaux structure. */ |
160 | 160 | ||
161 | void |
161 | void |
162 | _bfd_elf_swap_vernaux_out (bfd *abfd, |
162 | _bfd_elf_swap_vernaux_out (bfd *abfd, |
163 | const Elf_Internal_Vernaux *src, |
163 | const Elf_Internal_Vernaux *src, |
164 | Elf_External_Vernaux *dst) |
164 | Elf_External_Vernaux *dst) |
165 | { |
165 | { |
166 | H_PUT_32 (abfd, src->vna_hash, dst->vna_hash); |
166 | H_PUT_32 (abfd, src->vna_hash, dst->vna_hash); |
167 | H_PUT_16 (abfd, src->vna_flags, dst->vna_flags); |
167 | H_PUT_16 (abfd, src->vna_flags, dst->vna_flags); |
168 | H_PUT_16 (abfd, src->vna_other, dst->vna_other); |
168 | H_PUT_16 (abfd, src->vna_other, dst->vna_other); |
169 | H_PUT_32 (abfd, src->vna_name, dst->vna_name); |
169 | H_PUT_32 (abfd, src->vna_name, dst->vna_name); |
170 | H_PUT_32 (abfd, src->vna_next, dst->vna_next); |
170 | H_PUT_32 (abfd, src->vna_next, dst->vna_next); |
171 | } |
171 | } |
172 | 172 | ||
173 | /* Swap in a Versym structure. */ |
173 | /* Swap in a Versym structure. */ |
174 | 174 | ||
175 | void |
175 | void |
176 | _bfd_elf_swap_versym_in (bfd *abfd, |
176 | _bfd_elf_swap_versym_in (bfd *abfd, |
177 | const Elf_External_Versym *src, |
177 | const Elf_External_Versym *src, |
178 | Elf_Internal_Versym *dst) |
178 | Elf_Internal_Versym *dst) |
179 | { |
179 | { |
180 | dst->vs_vers = H_GET_16 (abfd, src->vs_vers); |
180 | dst->vs_vers = H_GET_16 (abfd, src->vs_vers); |
181 | } |
181 | } |
182 | 182 | ||
183 | /* Swap out a Versym structure. */ |
183 | /* Swap out a Versym structure. */ |
184 | 184 | ||
185 | void |
185 | void |
186 | _bfd_elf_swap_versym_out (bfd *abfd, |
186 | _bfd_elf_swap_versym_out (bfd *abfd, |
187 | const Elf_Internal_Versym *src, |
187 | const Elf_Internal_Versym *src, |
188 | Elf_External_Versym *dst) |
188 | Elf_External_Versym *dst) |
189 | { |
189 | { |
190 | H_PUT_16 (abfd, src->vs_vers, dst->vs_vers); |
190 | H_PUT_16 (abfd, src->vs_vers, dst->vs_vers); |
191 | } |
191 | } |
192 | 192 | ||
193 | /* Standard ELF hash function. Do not change this function; you will |
193 | /* Standard ELF hash function. Do not change this function; you will |
194 | cause invalid hash tables to be generated. */ |
194 | cause invalid hash tables to be generated. */ |
195 | 195 | ||
196 | unsigned long |
196 | unsigned long |
197 | bfd_elf_hash (const char *namearg) |
197 | bfd_elf_hash (const char *namearg) |
198 | { |
198 | { |
199 | const unsigned char *name = (const unsigned char *) namearg; |
199 | const unsigned char *name = (const unsigned char *) namearg; |
200 | unsigned long h = 0; |
200 | unsigned long h = 0; |
201 | unsigned long g; |
201 | unsigned long g; |
202 | int ch; |
202 | int ch; |
203 | 203 | ||
204 | while ((ch = *name++) != '\0') |
204 | while ((ch = *name++) != '\0') |
205 | { |
205 | { |
206 | h = (h << 4) + ch; |
206 | h = (h << 4) + ch; |
207 | if ((g = (h & 0xf0000000)) != 0) |
207 | if ((g = (h & 0xf0000000)) != 0) |
208 | { |
208 | { |
209 | h ^= g >> 24; |
209 | h ^= g >> 24; |
210 | /* The ELF ABI says `h &= ~g', but this is equivalent in |
210 | /* The ELF ABI says `h &= ~g', but this is equivalent in |
211 | this case and on some machines one insn instead of two. */ |
211 | this case and on some machines one insn instead of two. */ |
212 | h ^= g; |
212 | h ^= g; |
213 | } |
213 | } |
214 | } |
214 | } |
215 | return h & 0xffffffff; |
215 | return h & 0xffffffff; |
216 | } |
216 | } |
217 | 217 | ||
218 | /* DT_GNU_HASH hash function. Do not change this function; you will |
218 | /* DT_GNU_HASH hash function. Do not change this function; you will |
219 | cause invalid hash tables to be generated. */ |
219 | cause invalid hash tables to be generated. */ |
220 | 220 | ||
221 | unsigned long |
221 | unsigned long |
222 | bfd_elf_gnu_hash (const char *namearg) |
222 | bfd_elf_gnu_hash (const char *namearg) |
223 | { |
223 | { |
224 | const unsigned char *name = (const unsigned char *) namearg; |
224 | const unsigned char *name = (const unsigned char *) namearg; |
225 | unsigned long h = 5381; |
225 | unsigned long h = 5381; |
226 | unsigned char ch; |
226 | unsigned char ch; |
227 | 227 | ||
228 | while ((ch = *name++) != '\0') |
228 | while ((ch = *name++) != '\0') |
229 | h = (h << 5) + h + ch; |
229 | h = (h << 5) + h + ch; |
230 | return h & 0xffffffff; |
230 | return h & 0xffffffff; |
231 | } |
231 | } |
232 | 232 | ||
233 | /* Create a tdata field OBJECT_SIZE bytes in length, zeroed out and with |
233 | /* Create a tdata field OBJECT_SIZE bytes in length, zeroed out and with |
234 | the object_id field of an elf_obj_tdata field set to OBJECT_ID. */ |
234 | the object_id field of an elf_obj_tdata field set to OBJECT_ID. */ |
235 | bfd_boolean |
235 | bfd_boolean |
236 | bfd_elf_allocate_object (bfd *abfd, |
236 | bfd_elf_allocate_object (bfd *abfd, |
237 | size_t object_size, |
237 | size_t object_size, |
238 | enum elf_target_id object_id) |
238 | enum elf_target_id object_id) |
239 | { |
239 | { |
240 | BFD_ASSERT (object_size >= sizeof (struct elf_obj_tdata)); |
240 | BFD_ASSERT (object_size >= sizeof (struct elf_obj_tdata)); |
241 | abfd->tdata.any = bfd_zalloc (abfd, object_size); |
241 | abfd->tdata.any = bfd_zalloc (abfd, object_size); |
242 | if (abfd->tdata.any == NULL) |
242 | if (abfd->tdata.any == NULL) |
243 | return FALSE; |
243 | return FALSE; |
244 | 244 | ||
245 | elf_object_id (abfd) = object_id; |
245 | elf_object_id (abfd) = object_id; |
246 | if (abfd->direction != read_direction) |
246 | if (abfd->direction != read_direction) |
247 | { |
247 | { |
248 | struct output_elf_obj_tdata *o = bfd_zalloc (abfd, sizeof *o); |
248 | struct output_elf_obj_tdata *o = bfd_zalloc (abfd, sizeof *o); |
249 | if (o == NULL) |
249 | if (o == NULL) |
250 | return FALSE; |
250 | return FALSE; |
251 | elf_tdata (abfd)->o = o; |
251 | elf_tdata (abfd)->o = o; |
252 | elf_program_header_size (abfd) = (bfd_size_type) -1; |
252 | elf_program_header_size (abfd) = (bfd_size_type) -1; |
253 | } |
253 | } |
254 | return TRUE; |
254 | return TRUE; |
255 | } |
255 | } |
256 | 256 | ||
257 | 257 | ||
258 | bfd_boolean |
258 | bfd_boolean |
259 | bfd_elf_make_object (bfd *abfd) |
259 | bfd_elf_make_object (bfd *abfd) |
260 | { |
260 | { |
261 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
261 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
262 | return bfd_elf_allocate_object (abfd, sizeof (struct elf_obj_tdata), |
262 | return bfd_elf_allocate_object (abfd, sizeof (struct elf_obj_tdata), |
263 | bed->target_id); |
263 | bed->target_id); |
264 | } |
264 | } |
265 | 265 | ||
266 | bfd_boolean |
266 | bfd_boolean |
267 | bfd_elf_mkcorefile (bfd *abfd) |
267 | bfd_elf_mkcorefile (bfd *abfd) |
268 | { |
268 | { |
269 | /* I think this can be done just like an object file. */ |
269 | /* I think this can be done just like an object file. */ |
270 | if (!abfd->xvec->_bfd_set_format[(int) bfd_object] (abfd)) |
270 | if (!abfd->xvec->_bfd_set_format[(int) bfd_object] (abfd)) |
271 | return FALSE; |
271 | return FALSE; |
272 | elf_tdata (abfd)->core = bfd_zalloc (abfd, sizeof (*elf_tdata (abfd)->core)); |
272 | elf_tdata (abfd)->core = bfd_zalloc (abfd, sizeof (*elf_tdata (abfd)->core)); |
273 | return elf_tdata (abfd)->core != NULL; |
273 | return elf_tdata (abfd)->core != NULL; |
274 | } |
274 | } |
275 | 275 | ||
276 | static char * |
276 | static char * |
277 | bfd_elf_get_str_section (bfd *abfd, unsigned int shindex) |
277 | bfd_elf_get_str_section (bfd *abfd, unsigned int shindex) |
278 | { |
278 | { |
279 | Elf_Internal_Shdr **i_shdrp; |
279 | Elf_Internal_Shdr **i_shdrp; |
280 | bfd_byte *shstrtab = NULL; |
280 | bfd_byte *shstrtab = NULL; |
281 | file_ptr offset; |
281 | file_ptr offset; |
282 | bfd_size_type shstrtabsize; |
282 | bfd_size_type shstrtabsize; |
283 | 283 | ||
284 | i_shdrp = elf_elfsections (abfd); |
284 | i_shdrp = elf_elfsections (abfd); |
285 | if (i_shdrp == 0 |
285 | if (i_shdrp == 0 |
286 | || shindex >= elf_numsections (abfd) |
286 | || shindex >= elf_numsections (abfd) |
287 | || i_shdrp[shindex] == 0) |
287 | || i_shdrp[shindex] == 0) |
288 | return NULL; |
288 | return NULL; |
289 | 289 | ||
290 | shstrtab = i_shdrp[shindex]->contents; |
290 | shstrtab = i_shdrp[shindex]->contents; |
291 | if (shstrtab == NULL) |
291 | if (shstrtab == NULL) |
292 | { |
292 | { |
293 | /* No cached one, attempt to read, and cache what we read. */ |
293 | /* No cached one, attempt to read, and cache what we read. */ |
294 | offset = i_shdrp[shindex]->sh_offset; |
294 | offset = i_shdrp[shindex]->sh_offset; |
295 | shstrtabsize = i_shdrp[shindex]->sh_size; |
295 | shstrtabsize = i_shdrp[shindex]->sh_size; |
296 | 296 | ||
297 | /* Allocate and clear an extra byte at the end, to prevent crashes |
297 | /* Allocate and clear an extra byte at the end, to prevent crashes |
298 | in case the string table is not terminated. */ |
298 | in case the string table is not terminated. */ |
299 | if (shstrtabsize + 1 <= 1 |
299 | if (shstrtabsize + 1 <= 1 |
- | 300 | || bfd_seek (abfd, offset, SEEK_SET) != 0 |
|
300 | || (shstrtab = (bfd_byte *) bfd_alloc (abfd, shstrtabsize + 1)) == NULL |
301 | || (shstrtab = (bfd_byte *) bfd_alloc (abfd, shstrtabsize + 1)) == NULL) |
301 | || bfd_seek (abfd, offset, SEEK_SET) != 0) |
- | |
302 | shstrtab = NULL; |
302 | shstrtab = NULL; |
303 | else if (bfd_bread (shstrtab, shstrtabsize, abfd) != shstrtabsize) |
303 | else if (bfd_bread (shstrtab, shstrtabsize, abfd) != shstrtabsize) |
304 | { |
304 | { |
305 | if (bfd_get_error () != bfd_error_system_call) |
305 | if (bfd_get_error () != bfd_error_system_call) |
306 | bfd_set_error (bfd_error_file_truncated); |
306 | bfd_set_error (bfd_error_file_truncated); |
- | 307 | bfd_release (abfd, shstrtab); |
|
307 | shstrtab = NULL; |
308 | shstrtab = NULL; |
308 | /* Once we've failed to read it, make sure we don't keep |
309 | /* Once we've failed to read it, make sure we don't keep |
309 | trying. Otherwise, we'll keep allocating space for |
310 | trying. Otherwise, we'll keep allocating space for |
310 | the string table over and over. */ |
311 | the string table over and over. */ |
311 | i_shdrp[shindex]->sh_size = 0; |
312 | i_shdrp[shindex]->sh_size = 0; |
312 | } |
313 | } |
313 | else |
314 | else |
314 | shstrtab[shstrtabsize] = '\0'; |
315 | shstrtab[shstrtabsize] = '\0'; |
315 | i_shdrp[shindex]->contents = shstrtab; |
316 | i_shdrp[shindex]->contents = shstrtab; |
316 | } |
317 | } |
317 | return (char *) shstrtab; |
318 | return (char *) shstrtab; |
318 | } |
319 | } |
319 | 320 | ||
320 | char * |
321 | char * |
321 | bfd_elf_string_from_elf_section (bfd *abfd, |
322 | bfd_elf_string_from_elf_section (bfd *abfd, |
322 | unsigned int shindex, |
323 | unsigned int shindex, |
323 | unsigned int strindex) |
324 | unsigned int strindex) |
324 | { |
325 | { |
325 | Elf_Internal_Shdr *hdr; |
326 | Elf_Internal_Shdr *hdr; |
326 | 327 | ||
327 | if (strindex == 0) |
328 | if (strindex == 0) |
328 | return ""; |
329 | return ""; |
329 | 330 | ||
330 | if (elf_elfsections (abfd) == NULL || shindex >= elf_numsections (abfd)) |
331 | if (elf_elfsections (abfd) == NULL || shindex >= elf_numsections (abfd)) |
331 | return NULL; |
332 | return NULL; |
332 | 333 | ||
333 | hdr = elf_elfsections (abfd)[shindex]; |
334 | hdr = elf_elfsections (abfd)[shindex]; |
334 | 335 | ||
- | 336 | if (hdr->contents == NULL) |
|
- | 337 | { |
|
- | 338 | if (hdr->sh_type != SHT_STRTAB && hdr->sh_type < SHT_LOOS) |
|
- | 339 | { |
|
- | 340 | /* PR 17512: file: f057ec89. */ |
|
- | 341 | _bfd_error_handler (_("%B: attempt to load strings from a non-string section (number %d)"), |
|
- | 342 | abfd, shindex); |
|
- | 343 | return NULL; |
|
- | 344 | } |
|
335 | if (hdr->contents == NULL |
345 | |
336 | && bfd_elf_get_str_section (abfd, shindex) == NULL) |
346 | if (bfd_elf_get_str_section (abfd, shindex) == NULL) |
- | 347 | return NULL; |
|
337 | return NULL; |
348 | } |
338 | 349 | ||
339 | if (strindex >= hdr->sh_size) |
350 | if (strindex >= hdr->sh_size) |
340 | { |
351 | { |
341 | unsigned int shstrndx = elf_elfheader(abfd)->e_shstrndx; |
352 | unsigned int shstrndx = elf_elfheader(abfd)->e_shstrndx; |
342 | (*_bfd_error_handler) |
353 | (*_bfd_error_handler) |
343 | (_("%B: invalid string offset %u >= %lu for section `%s'"), |
354 | (_("%B: invalid string offset %u >= %lu for section `%s'"), |
344 | abfd, strindex, (unsigned long) hdr->sh_size, |
355 | abfd, strindex, (unsigned long) hdr->sh_size, |
345 | (shindex == shstrndx && strindex == hdr->sh_name |
356 | (shindex == shstrndx && strindex == hdr->sh_name |
346 | ? ".shstrtab" |
357 | ? ".shstrtab" |
347 | : bfd_elf_string_from_elf_section (abfd, shstrndx, hdr->sh_name))); |
358 | : bfd_elf_string_from_elf_section (abfd, shstrndx, hdr->sh_name))); |
348 | return NULL; |
359 | return NULL; |
349 | } |
360 | } |
350 | 361 | ||
351 | return ((char *) hdr->contents) + strindex; |
362 | return ((char *) hdr->contents) + strindex; |
352 | } |
363 | } |
353 | 364 | ||
354 | /* Read and convert symbols to internal format. |
365 | /* Read and convert symbols to internal format. |
355 | SYMCOUNT specifies the number of symbols to read, starting from |
366 | SYMCOUNT specifies the number of symbols to read, starting from |
356 | symbol SYMOFFSET. If any of INTSYM_BUF, EXTSYM_BUF or EXTSHNDX_BUF |
367 | symbol SYMOFFSET. If any of INTSYM_BUF, EXTSYM_BUF or EXTSHNDX_BUF |
357 | are non-NULL, they are used to store the internal symbols, external |
368 | are non-NULL, they are used to store the internal symbols, external |
358 | symbols, and symbol section index extensions, respectively. |
369 | symbols, and symbol section index extensions, respectively. |
359 | Returns a pointer to the internal symbol buffer (malloced if necessary) |
370 | Returns a pointer to the internal symbol buffer (malloced if necessary) |
360 | or NULL if there were no symbols or some kind of problem. */ |
371 | or NULL if there were no symbols or some kind of problem. */ |
361 | 372 | ||
362 | Elf_Internal_Sym * |
373 | Elf_Internal_Sym * |
363 | bfd_elf_get_elf_syms (bfd *ibfd, |
374 | bfd_elf_get_elf_syms (bfd *ibfd, |
364 | Elf_Internal_Shdr *symtab_hdr, |
375 | Elf_Internal_Shdr *symtab_hdr, |
365 | size_t symcount, |
376 | size_t symcount, |
366 | size_t symoffset, |
377 | size_t symoffset, |
367 | Elf_Internal_Sym *intsym_buf, |
378 | Elf_Internal_Sym *intsym_buf, |
368 | void *extsym_buf, |
379 | void *extsym_buf, |
369 | Elf_External_Sym_Shndx *extshndx_buf) |
380 | Elf_External_Sym_Shndx *extshndx_buf) |
370 | { |
381 | { |
371 | Elf_Internal_Shdr *shndx_hdr; |
382 | Elf_Internal_Shdr *shndx_hdr; |
372 | void *alloc_ext; |
383 | void *alloc_ext; |
373 | const bfd_byte *esym; |
384 | const bfd_byte *esym; |
374 | Elf_External_Sym_Shndx *alloc_extshndx; |
385 | Elf_External_Sym_Shndx *alloc_extshndx; |
375 | Elf_External_Sym_Shndx *shndx; |
386 | Elf_External_Sym_Shndx *shndx; |
376 | Elf_Internal_Sym *alloc_intsym; |
387 | Elf_Internal_Sym *alloc_intsym; |
377 | Elf_Internal_Sym *isym; |
388 | Elf_Internal_Sym *isym; |
378 | Elf_Internal_Sym *isymend; |
389 | Elf_Internal_Sym *isymend; |
379 | const struct elf_backend_data *bed; |
390 | const struct elf_backend_data *bed; |
380 | size_t extsym_size; |
391 | size_t extsym_size; |
381 | bfd_size_type amt; |
392 | bfd_size_type amt; |
382 | file_ptr pos; |
393 | file_ptr pos; |
383 | 394 | ||
384 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour) |
395 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour) |
385 | abort (); |
396 | abort (); |
386 | 397 | ||
387 | if (symcount == 0) |
398 | if (symcount == 0) |
388 | return intsym_buf; |
399 | return intsym_buf; |
389 | 400 | ||
390 | /* Normal syms might have section extension entries. */ |
401 | /* Normal syms might have section extension entries. */ |
391 | shndx_hdr = NULL; |
402 | shndx_hdr = NULL; |
- | 403 | if (elf_symtab_shndx_list (ibfd) != NULL) |
|
- | 404 | { |
|
- | 405 | elf_section_list * entry; |
|
- | 406 | Elf_Internal_Shdr **sections = elf_elfsections (ibfd); |
|
- | 407 | ||
- | 408 | /* Find an index section that is linked to this symtab section. */ |
|
- | 409 | for (entry = elf_symtab_shndx_list (ibfd); entry != NULL; entry = entry->next) |
|
- | 410 | if (sections[entry->hdr.sh_link] == symtab_hdr) |
|
- | 411 | { |
|
- | 412 | shndx_hdr = & entry->hdr; |
|
- | 413 | break; |
|
- | 414 | }; |
|
- | 415 | ||
- | 416 | if (shndx_hdr == NULL) |
|
- | 417 | { |
|
392 | if (symtab_hdr == &elf_tdata (ibfd)->symtab_hdr) |
418 | if (symtab_hdr == & elf_symtab_hdr (ibfd)) |
- | 419 | /* Not really accurate, but this was how the old code used to work. */ |
|
393 | shndx_hdr = &elf_tdata (ibfd)->symtab_shndx_hdr; |
420 | shndx_hdr = & elf_symtab_shndx_list (ibfd)->hdr; |
- | 421 | /* Otherwise we do nothing. The assumption is that |
|
- | 422 | the index table will not be needed. */ |
|
- | 423 | } |
|
- | 424 | } |
|
394 | 425 | ||
395 | /* Read the symbols. */ |
426 | /* Read the symbols. */ |
396 | alloc_ext = NULL; |
427 | alloc_ext = NULL; |
397 | alloc_extshndx = NULL; |
428 | alloc_extshndx = NULL; |
398 | alloc_intsym = NULL; |
429 | alloc_intsym = NULL; |
399 | bed = get_elf_backend_data (ibfd); |
430 | bed = get_elf_backend_data (ibfd); |
400 | extsym_size = bed->s->sizeof_sym; |
431 | extsym_size = bed->s->sizeof_sym; |
401 | amt = symcount * extsym_size; |
432 | amt = symcount * extsym_size; |
402 | pos = symtab_hdr->sh_offset + symoffset * extsym_size; |
433 | pos = symtab_hdr->sh_offset + symoffset * extsym_size; |
403 | if (extsym_buf == NULL) |
434 | if (extsym_buf == NULL) |
404 | { |
435 | { |
405 | alloc_ext = bfd_malloc2 (symcount, extsym_size); |
436 | alloc_ext = bfd_malloc2 (symcount, extsym_size); |
406 | extsym_buf = alloc_ext; |
437 | extsym_buf = alloc_ext; |
407 | } |
438 | } |
408 | if (extsym_buf == NULL |
439 | if (extsym_buf == NULL |
409 | || bfd_seek (ibfd, pos, SEEK_SET) != 0 |
440 | || bfd_seek (ibfd, pos, SEEK_SET) != 0 |
410 | || bfd_bread (extsym_buf, amt, ibfd) != amt) |
441 | || bfd_bread (extsym_buf, amt, ibfd) != amt) |
411 | { |
442 | { |
412 | intsym_buf = NULL; |
443 | intsym_buf = NULL; |
413 | goto out; |
444 | goto out; |
414 | } |
445 | } |
415 | 446 | ||
416 | if (shndx_hdr == NULL || shndx_hdr->sh_size == 0) |
447 | if (shndx_hdr == NULL || shndx_hdr->sh_size == 0) |
417 | extshndx_buf = NULL; |
448 | extshndx_buf = NULL; |
418 | else |
449 | else |
419 | { |
450 | { |
420 | amt = symcount * sizeof (Elf_External_Sym_Shndx); |
451 | amt = symcount * sizeof (Elf_External_Sym_Shndx); |
421 | pos = shndx_hdr->sh_offset + symoffset * sizeof (Elf_External_Sym_Shndx); |
452 | pos = shndx_hdr->sh_offset + symoffset * sizeof (Elf_External_Sym_Shndx); |
422 | if (extshndx_buf == NULL) |
453 | if (extshndx_buf == NULL) |
423 | { |
454 | { |
424 | alloc_extshndx = (Elf_External_Sym_Shndx *) |
455 | alloc_extshndx = (Elf_External_Sym_Shndx *) |
425 | bfd_malloc2 (symcount, sizeof (Elf_External_Sym_Shndx)); |
456 | bfd_malloc2 (symcount, sizeof (Elf_External_Sym_Shndx)); |
426 | extshndx_buf = alloc_extshndx; |
457 | extshndx_buf = alloc_extshndx; |
427 | } |
458 | } |
428 | if (extshndx_buf == NULL |
459 | if (extshndx_buf == NULL |
429 | || bfd_seek (ibfd, pos, SEEK_SET) != 0 |
460 | || bfd_seek (ibfd, pos, SEEK_SET) != 0 |
430 | || bfd_bread (extshndx_buf, amt, ibfd) != amt) |
461 | || bfd_bread (extshndx_buf, amt, ibfd) != amt) |
431 | { |
462 | { |
432 | intsym_buf = NULL; |
463 | intsym_buf = NULL; |
433 | goto out; |
464 | goto out; |
434 | } |
465 | } |
435 | } |
466 | } |
436 | 467 | ||
437 | if (intsym_buf == NULL) |
468 | if (intsym_buf == NULL) |
438 | { |
469 | { |
439 | alloc_intsym = (Elf_Internal_Sym *) |
470 | alloc_intsym = (Elf_Internal_Sym *) |
440 | bfd_malloc2 (symcount, sizeof (Elf_Internal_Sym)); |
471 | bfd_malloc2 (symcount, sizeof (Elf_Internal_Sym)); |
441 | intsym_buf = alloc_intsym; |
472 | intsym_buf = alloc_intsym; |
442 | if (intsym_buf == NULL) |
473 | if (intsym_buf == NULL) |
443 | goto out; |
474 | goto out; |
444 | } |
475 | } |
445 | 476 | ||
446 | /* Convert the symbols to internal form. */ |
477 | /* Convert the symbols to internal form. */ |
447 | isymend = intsym_buf + symcount; |
478 | isymend = intsym_buf + symcount; |
448 | for (esym = (const bfd_byte *) extsym_buf, isym = intsym_buf, |
479 | for (esym = (const bfd_byte *) extsym_buf, isym = intsym_buf, |
449 | shndx = extshndx_buf; |
480 | shndx = extshndx_buf; |
450 | isym < isymend; |
481 | isym < isymend; |
451 | esym += extsym_size, isym++, shndx = shndx != NULL ? shndx + 1 : NULL) |
482 | esym += extsym_size, isym++, shndx = shndx != NULL ? shndx + 1 : NULL) |
452 | if (!(*bed->s->swap_symbol_in) (ibfd, esym, shndx, isym)) |
483 | if (!(*bed->s->swap_symbol_in) (ibfd, esym, shndx, isym)) |
453 | { |
484 | { |
454 | symoffset += (esym - (bfd_byte *) extsym_buf) / extsym_size; |
485 | symoffset += (esym - (bfd_byte *) extsym_buf) / extsym_size; |
455 | (*_bfd_error_handler) (_("%B symbol number %lu references " |
486 | (*_bfd_error_handler) (_("%B symbol number %lu references " |
456 | "nonexistent SHT_SYMTAB_SHNDX section"), |
487 | "nonexistent SHT_SYMTAB_SHNDX section"), |
457 | ibfd, (unsigned long) symoffset); |
488 | ibfd, (unsigned long) symoffset); |
458 | if (alloc_intsym != NULL) |
489 | if (alloc_intsym != NULL) |
459 | free (alloc_intsym); |
490 | free (alloc_intsym); |
460 | intsym_buf = NULL; |
491 | intsym_buf = NULL; |
461 | goto out; |
492 | goto out; |
462 | } |
493 | } |
463 | 494 | ||
464 | out: |
495 | out: |
465 | if (alloc_ext != NULL) |
496 | if (alloc_ext != NULL) |
466 | free (alloc_ext); |
497 | free (alloc_ext); |
467 | if (alloc_extshndx != NULL) |
498 | if (alloc_extshndx != NULL) |
468 | free (alloc_extshndx); |
499 | free (alloc_extshndx); |
469 | 500 | ||
470 | return intsym_buf; |
501 | return intsym_buf; |
471 | } |
502 | } |
472 | 503 | ||
473 | /* Look up a symbol name. */ |
504 | /* Look up a symbol name. */ |
474 | const char * |
505 | const char * |
475 | bfd_elf_sym_name (bfd *abfd, |
506 | bfd_elf_sym_name (bfd *abfd, |
476 | Elf_Internal_Shdr *symtab_hdr, |
507 | Elf_Internal_Shdr *symtab_hdr, |
477 | Elf_Internal_Sym *isym, |
508 | Elf_Internal_Sym *isym, |
478 | asection *sym_sec) |
509 | asection *sym_sec) |
479 | { |
510 | { |
480 | const char *name; |
511 | const char *name; |
481 | unsigned int iname = isym->st_name; |
512 | unsigned int iname = isym->st_name; |
482 | unsigned int shindex = symtab_hdr->sh_link; |
513 | unsigned int shindex = symtab_hdr->sh_link; |
483 | 514 | ||
484 | if (iname == 0 && ELF_ST_TYPE (isym->st_info) == STT_SECTION |
515 | if (iname == 0 && ELF_ST_TYPE (isym->st_info) == STT_SECTION |
485 | /* Check for a bogus st_shndx to avoid crashing. */ |
516 | /* Check for a bogus st_shndx to avoid crashing. */ |
486 | && isym->st_shndx < elf_numsections (abfd)) |
517 | && isym->st_shndx < elf_numsections (abfd)) |
487 | { |
518 | { |
488 | iname = elf_elfsections (abfd)[isym->st_shndx]->sh_name; |
519 | iname = elf_elfsections (abfd)[isym->st_shndx]->sh_name; |
489 | shindex = elf_elfheader (abfd)->e_shstrndx; |
520 | shindex = elf_elfheader (abfd)->e_shstrndx; |
490 | } |
521 | } |
491 | 522 | ||
492 | name = bfd_elf_string_from_elf_section (abfd, shindex, iname); |
523 | name = bfd_elf_string_from_elf_section (abfd, shindex, iname); |
493 | if (name == NULL) |
524 | if (name == NULL) |
494 | name = "(null)"; |
525 | name = "(null)"; |
495 | else if (sym_sec && *name == '\0') |
526 | else if (sym_sec && *name == '\0') |
496 | name = bfd_section_name (abfd, sym_sec); |
527 | name = bfd_section_name (abfd, sym_sec); |
497 | 528 | ||
498 | return name; |
529 | return name; |
499 | } |
530 | } |
500 | 531 | ||
501 | /* Elf_Internal_Shdr->contents is an array of these for SHT_GROUP |
532 | /* Elf_Internal_Shdr->contents is an array of these for SHT_GROUP |
502 | sections. The first element is the flags, the rest are section |
533 | sections. The first element is the flags, the rest are section |
503 | pointers. */ |
534 | pointers. */ |
504 | 535 | ||
505 | typedef union elf_internal_group { |
536 | typedef union elf_internal_group { |
506 | Elf_Internal_Shdr *shdr; |
537 | Elf_Internal_Shdr *shdr; |
507 | unsigned int flags; |
538 | unsigned int flags; |
508 | } Elf_Internal_Group; |
539 | } Elf_Internal_Group; |
509 | 540 | ||
510 | /* Return the name of the group signature symbol. Why isn't the |
541 | /* Return the name of the group signature symbol. Why isn't the |
511 | signature just a string? */ |
542 | signature just a string? */ |
512 | 543 | ||
513 | static const char * |
544 | static const char * |
514 | group_signature (bfd *abfd, Elf_Internal_Shdr *ghdr) |
545 | group_signature (bfd *abfd, Elf_Internal_Shdr *ghdr) |
515 | { |
546 | { |
516 | Elf_Internal_Shdr *hdr; |
547 | Elf_Internal_Shdr *hdr; |
517 | unsigned char esym[sizeof (Elf64_External_Sym)]; |
548 | unsigned char esym[sizeof (Elf64_External_Sym)]; |
518 | Elf_External_Sym_Shndx eshndx; |
549 | Elf_External_Sym_Shndx eshndx; |
519 | Elf_Internal_Sym isym; |
550 | Elf_Internal_Sym isym; |
520 | 551 | ||
521 | /* First we need to ensure the symbol table is available. Make sure |
552 | /* First we need to ensure the symbol table is available. Make sure |
522 | that it is a symbol table section. */ |
553 | that it is a symbol table section. */ |
523 | if (ghdr->sh_link >= elf_numsections (abfd)) |
554 | if (ghdr->sh_link >= elf_numsections (abfd)) |
524 | return NULL; |
555 | return NULL; |
525 | hdr = elf_elfsections (abfd) [ghdr->sh_link]; |
556 | hdr = elf_elfsections (abfd) [ghdr->sh_link]; |
526 | if (hdr->sh_type != SHT_SYMTAB |
557 | if (hdr->sh_type != SHT_SYMTAB |
527 | || ! bfd_section_from_shdr (abfd, ghdr->sh_link)) |
558 | || ! bfd_section_from_shdr (abfd, ghdr->sh_link)) |
528 | return NULL; |
559 | return NULL; |
529 | 560 | ||
530 | /* Go read the symbol. */ |
561 | /* Go read the symbol. */ |
531 | hdr = &elf_tdata (abfd)->symtab_hdr; |
562 | hdr = &elf_tdata (abfd)->symtab_hdr; |
532 | if (bfd_elf_get_elf_syms (abfd, hdr, 1, ghdr->sh_info, |
563 | if (bfd_elf_get_elf_syms (abfd, hdr, 1, ghdr->sh_info, |
533 | &isym, esym, &eshndx) == NULL) |
564 | &isym, esym, &eshndx) == NULL) |
534 | return NULL; |
565 | return NULL; |
535 | 566 | ||
536 | return bfd_elf_sym_name (abfd, hdr, &isym, NULL); |
567 | return bfd_elf_sym_name (abfd, hdr, &isym, NULL); |
537 | } |
568 | } |
538 | 569 | ||
539 | /* Set next_in_group list pointer, and group name for NEWSECT. */ |
570 | /* Set next_in_group list pointer, and group name for NEWSECT. */ |
540 | 571 | ||
541 | static bfd_boolean |
572 | static bfd_boolean |
542 | setup_group (bfd *abfd, Elf_Internal_Shdr *hdr, asection *newsect) |
573 | setup_group (bfd *abfd, Elf_Internal_Shdr *hdr, asection *newsect) |
543 | { |
574 | { |
544 | unsigned int num_group = elf_tdata (abfd)->num_group; |
575 | unsigned int num_group = elf_tdata (abfd)->num_group; |
545 | 576 | ||
546 | /* If num_group is zero, read in all SHT_GROUP sections. The count |
577 | /* If num_group is zero, read in all SHT_GROUP sections. The count |
547 | is set to -1 if there are no SHT_GROUP sections. */ |
578 | is set to -1 if there are no SHT_GROUP sections. */ |
548 | if (num_group == 0) |
579 | if (num_group == 0) |
549 | { |
580 | { |
550 | unsigned int i, shnum; |
581 | unsigned int i, shnum; |
551 | 582 | ||
552 | /* First count the number of groups. If we have a SHT_GROUP |
583 | /* First count the number of groups. If we have a SHT_GROUP |
553 | section with just a flag word (ie. sh_size is 4), ignore it. */ |
584 | section with just a flag word (ie. sh_size is 4), ignore it. */ |
554 | shnum = elf_numsections (abfd); |
585 | shnum = elf_numsections (abfd); |
555 | num_group = 0; |
586 | num_group = 0; |
556 | 587 | ||
557 | #define IS_VALID_GROUP_SECTION_HEADER(shdr, minsize) \ |
588 | #define IS_VALID_GROUP_SECTION_HEADER(shdr, minsize) \ |
558 | ( (shdr)->sh_type == SHT_GROUP \ |
589 | ( (shdr)->sh_type == SHT_GROUP \ |
559 | && (shdr)->sh_size >= minsize \ |
590 | && (shdr)->sh_size >= minsize \ |
560 | && (shdr)->sh_entsize == GRP_ENTRY_SIZE \ |
591 | && (shdr)->sh_entsize == GRP_ENTRY_SIZE \ |
561 | && ((shdr)->sh_size % GRP_ENTRY_SIZE) == 0) |
592 | && ((shdr)->sh_size % GRP_ENTRY_SIZE) == 0) |
562 | 593 | ||
563 | for (i = 0; i < shnum; i++) |
594 | for (i = 0; i < shnum; i++) |
564 | { |
595 | { |
565 | Elf_Internal_Shdr *shdr = elf_elfsections (abfd)[i]; |
596 | Elf_Internal_Shdr *shdr = elf_elfsections (abfd)[i]; |
566 | 597 | ||
567 | if (IS_VALID_GROUP_SECTION_HEADER (shdr, 2 * GRP_ENTRY_SIZE)) |
598 | if (IS_VALID_GROUP_SECTION_HEADER (shdr, 2 * GRP_ENTRY_SIZE)) |
568 | num_group += 1; |
599 | num_group += 1; |
569 | } |
600 | } |
570 | 601 | ||
571 | if (num_group == 0) |
602 | if (num_group == 0) |
572 | { |
603 | { |
573 | num_group = (unsigned) -1; |
604 | num_group = (unsigned) -1; |
574 | elf_tdata (abfd)->num_group = num_group; |
605 | elf_tdata (abfd)->num_group = num_group; |
575 | } |
606 | } |
576 | else |
607 | else |
577 | { |
608 | { |
578 | /* We keep a list of elf section headers for group sections, |
609 | /* We keep a list of elf section headers for group sections, |
579 | so we can find them quickly. */ |
610 | so we can find them quickly. */ |
580 | bfd_size_type amt; |
611 | bfd_size_type amt; |
581 | 612 | ||
582 | elf_tdata (abfd)->num_group = num_group; |
613 | elf_tdata (abfd)->num_group = num_group; |
583 | elf_tdata (abfd)->group_sect_ptr = (Elf_Internal_Shdr **) |
614 | elf_tdata (abfd)->group_sect_ptr = (Elf_Internal_Shdr **) |
584 | bfd_alloc2 (abfd, num_group, sizeof (Elf_Internal_Shdr *)); |
615 | bfd_alloc2 (abfd, num_group, sizeof (Elf_Internal_Shdr *)); |
585 | if (elf_tdata (abfd)->group_sect_ptr == NULL) |
616 | if (elf_tdata (abfd)->group_sect_ptr == NULL) |
586 | return FALSE; |
617 | return FALSE; |
587 | 618 | ||
588 | num_group = 0; |
619 | num_group = 0; |
589 | for (i = 0; i < shnum; i++) |
620 | for (i = 0; i < shnum; i++) |
590 | { |
621 | { |
591 | Elf_Internal_Shdr *shdr = elf_elfsections (abfd)[i]; |
622 | Elf_Internal_Shdr *shdr = elf_elfsections (abfd)[i]; |
592 | 623 | ||
593 | if (IS_VALID_GROUP_SECTION_HEADER (shdr, 2 * GRP_ENTRY_SIZE)) |
624 | if (IS_VALID_GROUP_SECTION_HEADER (shdr, 2 * GRP_ENTRY_SIZE)) |
594 | { |
625 | { |
595 | unsigned char *src; |
626 | unsigned char *src; |
596 | Elf_Internal_Group *dest; |
627 | Elf_Internal_Group *dest; |
597 | 628 | ||
598 | /* Add to list of sections. */ |
629 | /* Add to list of sections. */ |
599 | elf_tdata (abfd)->group_sect_ptr[num_group] = shdr; |
630 | elf_tdata (abfd)->group_sect_ptr[num_group] = shdr; |
600 | num_group += 1; |
631 | num_group += 1; |
601 | 632 | ||
602 | /* Read the raw contents. */ |
633 | /* Read the raw contents. */ |
603 | BFD_ASSERT (sizeof (*dest) >= 4); |
634 | BFD_ASSERT (sizeof (*dest) >= 4); |
604 | amt = shdr->sh_size * sizeof (*dest) / 4; |
635 | amt = shdr->sh_size * sizeof (*dest) / 4; |
605 | shdr->contents = (unsigned char *) |
636 | shdr->contents = (unsigned char *) |
606 | bfd_alloc2 (abfd, shdr->sh_size, sizeof (*dest) / 4); |
637 | bfd_alloc2 (abfd, shdr->sh_size, sizeof (*dest) / 4); |
607 | /* PR binutils/4110: Handle corrupt group headers. */ |
638 | /* PR binutils/4110: Handle corrupt group headers. */ |
608 | if (shdr->contents == NULL) |
639 | if (shdr->contents == NULL) |
609 | { |
640 | { |
610 | _bfd_error_handler |
641 | _bfd_error_handler |
611 | (_("%B: Corrupt size field in group section header: 0x%lx"), abfd, shdr->sh_size); |
642 | (_("%B: corrupt size field in group section header: 0x%lx"), abfd, shdr->sh_size); |
612 | bfd_set_error (bfd_error_bad_value); |
643 | bfd_set_error (bfd_error_bad_value); |
613 | return FALSE; |
644 | -- num_group; |
- | 645 | continue; |
|
614 | } |
646 | } |
615 | 647 | ||
616 | memset (shdr->contents, 0, amt); |
648 | memset (shdr->contents, 0, amt); |
617 | 649 | ||
618 | if (bfd_seek (abfd, shdr->sh_offset, SEEK_SET) != 0 |
650 | if (bfd_seek (abfd, shdr->sh_offset, SEEK_SET) != 0 |
619 | || (bfd_bread (shdr->contents, shdr->sh_size, abfd) |
651 | || (bfd_bread (shdr->contents, shdr->sh_size, abfd) |
620 | != shdr->sh_size)) |
652 | != shdr->sh_size)) |
- | 653 | { |
|
- | 654 | _bfd_error_handler |
|
- | 655 | (_("%B: invalid size field in group section header: 0x%lx"), abfd, shdr->sh_size); |
|
- | 656 | bfd_set_error (bfd_error_bad_value); |
|
- | 657 | -- num_group; |
|
- | 658 | /* PR 17510: If the group contents are even partially |
|
- | 659 | corrupt, do not allow any of the contents to be used. */ |
|
- | 660 | memset (shdr->contents, 0, amt); |
|
621 | return FALSE; |
661 | continue; |
- | 662 | } |
|
622 | 663 | ||
623 | /* Translate raw contents, a flag word followed by an |
664 | /* Translate raw contents, a flag word followed by an |
624 | array of elf section indices all in target byte order, |
665 | array of elf section indices all in target byte order, |
625 | to the flag word followed by an array of elf section |
666 | to the flag word followed by an array of elf section |
626 | pointers. */ |
667 | pointers. */ |
627 | src = shdr->contents + shdr->sh_size; |
668 | src = shdr->contents + shdr->sh_size; |
628 | dest = (Elf_Internal_Group *) (shdr->contents + amt); |
669 | dest = (Elf_Internal_Group *) (shdr->contents + amt); |
- | 670 | ||
629 | while (1) |
671 | while (1) |
630 | { |
672 | { |
631 | unsigned int idx; |
673 | unsigned int idx; |
632 | 674 | ||
633 | src -= 4; |
675 | src -= 4; |
634 | --dest; |
676 | --dest; |
635 | idx = H_GET_32 (abfd, src); |
677 | idx = H_GET_32 (abfd, src); |
636 | if (src == shdr->contents) |
678 | if (src == shdr->contents) |
637 | { |
679 | { |
638 | dest->flags = idx; |
680 | dest->flags = idx; |
639 | if (shdr->bfd_section != NULL && (idx & GRP_COMDAT)) |
681 | if (shdr->bfd_section != NULL && (idx & GRP_COMDAT)) |
640 | shdr->bfd_section->flags |
682 | shdr->bfd_section->flags |
641 | |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD; |
683 | |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD; |
642 | break; |
684 | break; |
643 | } |
685 | } |
644 | if (idx >= shnum) |
686 | if (idx >= shnum) |
645 | { |
687 | { |
646 | ((*_bfd_error_handler) |
688 | ((*_bfd_error_handler) |
647 | (_("%B: invalid SHT_GROUP entry"), abfd)); |
689 | (_("%B: invalid SHT_GROUP entry"), abfd)); |
648 | idx = 0; |
690 | idx = 0; |
649 | } |
691 | } |
650 | dest->shdr = elf_elfsections (abfd)[idx]; |
692 | dest->shdr = elf_elfsections (abfd)[idx]; |
651 | } |
693 | } |
652 | } |
694 | } |
653 | } |
695 | } |
- | 696 | ||
- | 697 | /* PR 17510: Corrupt binaries might contain invalid groups. */ |
|
- | 698 | if (num_group != (unsigned) elf_tdata (abfd)->num_group) |
|
- | 699 | { |
|
- | 700 | elf_tdata (abfd)->num_group = num_group; |
|
- | 701 | ||
- | 702 | /* If all groups are invalid then fail. */ |
|
- | 703 | if (num_group == 0) |
|
- | 704 | { |
|
- | 705 | elf_tdata (abfd)->group_sect_ptr = NULL; |
|
- | 706 | elf_tdata (abfd)->num_group = num_group = -1; |
|
- | 707 | (*_bfd_error_handler) (_("%B: no valid group sections found"), abfd); |
|
- | 708 | bfd_set_error (bfd_error_bad_value); |
|
- | 709 | } |
|
- | 710 | } |
|
654 | } |
711 | } |
655 | } |
712 | } |
656 | 713 | ||
657 | if (num_group != (unsigned) -1) |
714 | if (num_group != (unsigned) -1) |
658 | { |
715 | { |
659 | unsigned int i; |
716 | unsigned int i; |
660 | 717 | ||
661 | for (i = 0; i < num_group; i++) |
718 | for (i = 0; i < num_group; i++) |
662 | { |
719 | { |
663 | Elf_Internal_Shdr *shdr = elf_tdata (abfd)->group_sect_ptr[i]; |
720 | Elf_Internal_Shdr *shdr = elf_tdata (abfd)->group_sect_ptr[i]; |
664 | Elf_Internal_Group *idx = (Elf_Internal_Group *) shdr->contents; |
721 | Elf_Internal_Group *idx = (Elf_Internal_Group *) shdr->contents; |
665 | unsigned int n_elt = shdr->sh_size / 4; |
722 | unsigned int n_elt = shdr->sh_size / 4; |
666 | 723 | ||
667 | /* Look through this group's sections to see if current |
724 | /* Look through this group's sections to see if current |
668 | section is a member. */ |
725 | section is a member. */ |
669 | while (--n_elt != 0) |
726 | while (--n_elt != 0) |
670 | if ((++idx)->shdr == hdr) |
727 | if ((++idx)->shdr == hdr) |
671 | { |
728 | { |
672 | asection *s = NULL; |
729 | asection *s = NULL; |
673 | 730 | ||
674 | /* We are a member of this group. Go looking through |
731 | /* We are a member of this group. Go looking through |
675 | other members to see if any others are linked via |
732 | other members to see if any others are linked via |
676 | next_in_group. */ |
733 | next_in_group. */ |
677 | idx = (Elf_Internal_Group *) shdr->contents; |
734 | idx = (Elf_Internal_Group *) shdr->contents; |
678 | n_elt = shdr->sh_size / 4; |
735 | n_elt = shdr->sh_size / 4; |
679 | while (--n_elt != 0) |
736 | while (--n_elt != 0) |
680 | if ((s = (++idx)->shdr->bfd_section) != NULL |
737 | if ((s = (++idx)->shdr->bfd_section) != NULL |
681 | && elf_next_in_group (s) != NULL) |
738 | && elf_next_in_group (s) != NULL) |
682 | break; |
739 | break; |
683 | if (n_elt != 0) |
740 | if (n_elt != 0) |
684 | { |
741 | { |
685 | /* Snarf the group name from other member, and |
742 | /* Snarf the group name from other member, and |
686 | insert current section in circular list. */ |
743 | insert current section in circular list. */ |
687 | elf_group_name (newsect) = elf_group_name (s); |
744 | elf_group_name (newsect) = elf_group_name (s); |
688 | elf_next_in_group (newsect) = elf_next_in_group (s); |
745 | elf_next_in_group (newsect) = elf_next_in_group (s); |
689 | elf_next_in_group (s) = newsect; |
746 | elf_next_in_group (s) = newsect; |
690 | } |
747 | } |
691 | else |
748 | else |
692 | { |
749 | { |
693 | const char *gname; |
750 | const char *gname; |
694 | 751 | ||
695 | gname = group_signature (abfd, shdr); |
752 | gname = group_signature (abfd, shdr); |
696 | if (gname == NULL) |
753 | if (gname == NULL) |
697 | return FALSE; |
754 | return FALSE; |
698 | elf_group_name (newsect) = gname; |
755 | elf_group_name (newsect) = gname; |
699 | 756 | ||
700 | /* Start a circular list with one element. */ |
757 | /* Start a circular list with one element. */ |
701 | elf_next_in_group (newsect) = newsect; |
758 | elf_next_in_group (newsect) = newsect; |
702 | } |
759 | } |
703 | 760 | ||
704 | /* If the group section has been created, point to the |
761 | /* If the group section has been created, point to the |
705 | new member. */ |
762 | new member. */ |
706 | if (shdr->bfd_section != NULL) |
763 | if (shdr->bfd_section != NULL) |
707 | elf_next_in_group (shdr->bfd_section) = newsect; |
764 | elf_next_in_group (shdr->bfd_section) = newsect; |
708 | 765 | ||
709 | i = num_group - 1; |
766 | i = num_group - 1; |
710 | break; |
767 | break; |
711 | } |
768 | } |
712 | } |
769 | } |
713 | } |
770 | } |
714 | 771 | ||
715 | if (elf_group_name (newsect) == NULL) |
772 | if (elf_group_name (newsect) == NULL) |
716 | { |
773 | { |
717 | (*_bfd_error_handler) (_("%B: no group info for section %A"), |
774 | (*_bfd_error_handler) (_("%B: no group info for section %A"), |
718 | abfd, newsect); |
775 | abfd, newsect); |
- | 776 | return FALSE; |
|
719 | } |
777 | } |
720 | return TRUE; |
778 | return TRUE; |
721 | } |
779 | } |
722 | 780 | ||
723 | bfd_boolean |
781 | bfd_boolean |
724 | _bfd_elf_setup_sections (bfd *abfd) |
782 | _bfd_elf_setup_sections (bfd *abfd) |
725 | { |
783 | { |
726 | unsigned int i; |
784 | unsigned int i; |
727 | unsigned int num_group = elf_tdata (abfd)->num_group; |
785 | unsigned int num_group = elf_tdata (abfd)->num_group; |
728 | bfd_boolean result = TRUE; |
786 | bfd_boolean result = TRUE; |
729 | asection *s; |
787 | asection *s; |
730 | 788 | ||
731 | /* Process SHF_LINK_ORDER. */ |
789 | /* Process SHF_LINK_ORDER. */ |
732 | for (s = abfd->sections; s != NULL; s = s->next) |
790 | for (s = abfd->sections; s != NULL; s = s->next) |
733 | { |
791 | { |
734 | Elf_Internal_Shdr *this_hdr = &elf_section_data (s)->this_hdr; |
792 | Elf_Internal_Shdr *this_hdr = &elf_section_data (s)->this_hdr; |
735 | if ((this_hdr->sh_flags & SHF_LINK_ORDER) != 0) |
793 | if ((this_hdr->sh_flags & SHF_LINK_ORDER) != 0) |
736 | { |
794 | { |
737 | unsigned int elfsec = this_hdr->sh_link; |
795 | unsigned int elfsec = this_hdr->sh_link; |
738 | /* FIXME: The old Intel compiler and old strip/objcopy may |
796 | /* FIXME: The old Intel compiler and old strip/objcopy may |
739 | not set the sh_link or sh_info fields. Hence we could |
797 | not set the sh_link or sh_info fields. Hence we could |
740 | get the situation where elfsec is 0. */ |
798 | get the situation where elfsec is 0. */ |
741 | if (elfsec == 0) |
799 | if (elfsec == 0) |
742 | { |
800 | { |
743 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
801 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
744 | if (bed->link_order_error_handler) |
802 | if (bed->link_order_error_handler) |
745 | bed->link_order_error_handler |
803 | bed->link_order_error_handler |
746 | (_("%B: warning: sh_link not set for section `%A'"), |
804 | (_("%B: warning: sh_link not set for section `%A'"), |
747 | abfd, s); |
805 | abfd, s); |
748 | } |
806 | } |
749 | else |
807 | else |
750 | { |
808 | { |
751 | asection *linksec = NULL; |
809 | asection *linksec = NULL; |
752 | 810 | ||
753 | if (elfsec < elf_numsections (abfd)) |
811 | if (elfsec < elf_numsections (abfd)) |
754 | { |
812 | { |
755 | this_hdr = elf_elfsections (abfd)[elfsec]; |
813 | this_hdr = elf_elfsections (abfd)[elfsec]; |
756 | linksec = this_hdr->bfd_section; |
814 | linksec = this_hdr->bfd_section; |
757 | } |
815 | } |
758 | 816 | ||
759 | /* PR 1991, 2008: |
817 | /* PR 1991, 2008: |
760 | Some strip/objcopy may leave an incorrect value in |
818 | Some strip/objcopy may leave an incorrect value in |
761 | sh_link. We don't want to proceed. */ |
819 | sh_link. We don't want to proceed. */ |
762 | if (linksec == NULL) |
820 | if (linksec == NULL) |
763 | { |
821 | { |
764 | (*_bfd_error_handler) |
822 | (*_bfd_error_handler) |
765 | (_("%B: sh_link [%d] in section `%A' is incorrect"), |
823 | (_("%B: sh_link [%d] in section `%A' is incorrect"), |
766 | s->owner, s, elfsec); |
824 | s->owner, s, elfsec); |
767 | result = FALSE; |
825 | result = FALSE; |
768 | } |
826 | } |
769 | 827 | ||
770 | elf_linked_to_section (s) = linksec; |
828 | elf_linked_to_section (s) = linksec; |
771 | } |
829 | } |
772 | } |
830 | } |
773 | } |
831 | } |
774 | 832 | ||
775 | /* Process section groups. */ |
833 | /* Process section groups. */ |
776 | if (num_group == (unsigned) -1) |
834 | if (num_group == (unsigned) -1) |
777 | return result; |
835 | return result; |
778 | 836 | ||
779 | for (i = 0; i < num_group; i++) |
837 | for (i = 0; i < num_group; i++) |
780 | { |
838 | { |
781 | Elf_Internal_Shdr *shdr = elf_tdata (abfd)->group_sect_ptr[i]; |
839 | Elf_Internal_Shdr *shdr = elf_tdata (abfd)->group_sect_ptr[i]; |
- | 840 | Elf_Internal_Group *idx; |
|
- | 841 | unsigned int n_elt; |
|
- | 842 | ||
- | 843 | /* PR binutils/18758: Beware of corrupt binaries with invalid group data. */ |
|
- | 844 | if (shdr == NULL || shdr->bfd_section == NULL || shdr->contents == NULL) |
|
- | 845 | { |
|
- | 846 | (*_bfd_error_handler) |
|
- | 847 | (_("%B: section group entry number %u is corrupt"), |
|
- | 848 | abfd, i); |
|
- | 849 | result = FALSE; |
|
- | 850 | continue; |
|
- | 851 | } |
|
- | 852 | ||
782 | Elf_Internal_Group *idx = (Elf_Internal_Group *) shdr->contents; |
853 | idx = (Elf_Internal_Group *) shdr->contents; |
783 | unsigned int n_elt = shdr->sh_size / 4; |
854 | n_elt = shdr->sh_size / 4; |
784 | 855 | ||
785 | while (--n_elt != 0) |
856 | while (--n_elt != 0) |
786 | if ((++idx)->shdr->bfd_section) |
857 | if ((++idx)->shdr->bfd_section) |
787 | elf_sec_group (idx->shdr->bfd_section) = shdr->bfd_section; |
858 | elf_sec_group (idx->shdr->bfd_section) = shdr->bfd_section; |
788 | else if (idx->shdr->sh_type == SHT_RELA |
859 | else if (idx->shdr->sh_type == SHT_RELA |
789 | || idx->shdr->sh_type == SHT_REL) |
860 | || idx->shdr->sh_type == SHT_REL) |
790 | /* We won't include relocation sections in section groups in |
861 | /* We won't include relocation sections in section groups in |
791 | output object files. We adjust the group section size here |
862 | output object files. We adjust the group section size here |
792 | so that relocatable link will work correctly when |
863 | so that relocatable link will work correctly when |
793 | relocation sections are in section group in input object |
864 | relocation sections are in section group in input object |
794 | files. */ |
865 | files. */ |
795 | shdr->bfd_section->size -= 4; |
866 | shdr->bfd_section->size -= 4; |
796 | else |
867 | else |
797 | { |
868 | { |
798 | /* There are some unknown sections in the group. */ |
869 | /* There are some unknown sections in the group. */ |
799 | (*_bfd_error_handler) |
870 | (*_bfd_error_handler) |
800 | (_("%B: unknown [%d] section `%s' in group [%s]"), |
871 | (_("%B: unknown [%d] section `%s' in group [%s]"), |
801 | abfd, |
872 | abfd, |
802 | (unsigned int) idx->shdr->sh_type, |
873 | (unsigned int) idx->shdr->sh_type, |
803 | bfd_elf_string_from_elf_section (abfd, |
874 | bfd_elf_string_from_elf_section (abfd, |
804 | (elf_elfheader (abfd) |
875 | (elf_elfheader (abfd) |
805 | ->e_shstrndx), |
876 | ->e_shstrndx), |
806 | idx->shdr->sh_name), |
877 | idx->shdr->sh_name), |
807 | shdr->bfd_section->name); |
878 | shdr->bfd_section->name); |
808 | result = FALSE; |
879 | result = FALSE; |
809 | } |
880 | } |
810 | } |
881 | } |
811 | return result; |
882 | return result; |
812 | } |
883 | } |
813 | 884 | ||
814 | bfd_boolean |
885 | bfd_boolean |
815 | bfd_elf_is_group_section (bfd *abfd ATTRIBUTE_UNUSED, const asection *sec) |
886 | bfd_elf_is_group_section (bfd *abfd ATTRIBUTE_UNUSED, const asection *sec) |
816 | { |
887 | { |
817 | return elf_next_in_group (sec) != NULL; |
888 | return elf_next_in_group (sec) != NULL; |
818 | } |
889 | } |
- | 890 | ||
- | 891 | static char * |
|
- | 892 | convert_debug_to_zdebug (bfd *abfd, const char *name) |
|
- | 893 | { |
|
- | 894 | unsigned int len = strlen (name); |
|
- | 895 | char *new_name = bfd_alloc (abfd, len + 2); |
|
- | 896 | if (new_name == NULL) |
|
- | 897 | return NULL; |
|
- | 898 | new_name[0] = '.'; |
|
- | 899 | new_name[1] = 'z'; |
|
- | 900 | memcpy (new_name + 2, name + 1, len); |
|
- | 901 | return new_name; |
|
- | 902 | } |
|
- | 903 | ||
- | 904 | static char * |
|
- | 905 | convert_zdebug_to_debug (bfd *abfd, const char *name) |
|
- | 906 | { |
|
- | 907 | unsigned int len = strlen (name); |
|
- | 908 | char *new_name = bfd_alloc (abfd, len); |
|
- | 909 | if (new_name == NULL) |
|
- | 910 | return NULL; |
|
- | 911 | new_name[0] = '.'; |
|
- | 912 | memcpy (new_name + 1, name + 2, len - 1); |
|
- | 913 | return new_name; |
|
- | 914 | } |
|
819 | 915 | ||
820 | /* Make a BFD section from an ELF section. We store a pointer to the |
916 | /* Make a BFD section from an ELF section. We store a pointer to the |
821 | BFD section in the bfd_section field of the header. */ |
917 | BFD section in the bfd_section field of the header. */ |
822 | 918 | ||
823 | bfd_boolean |
919 | bfd_boolean |
824 | _bfd_elf_make_section_from_shdr (bfd *abfd, |
920 | _bfd_elf_make_section_from_shdr (bfd *abfd, |
825 | Elf_Internal_Shdr *hdr, |
921 | Elf_Internal_Shdr *hdr, |
826 | const char *name, |
922 | const char *name, |
827 | int shindex) |
923 | int shindex) |
828 | { |
924 | { |
829 | asection *newsect; |
925 | asection *newsect; |
830 | flagword flags; |
926 | flagword flags; |
831 | const struct elf_backend_data *bed; |
927 | const struct elf_backend_data *bed; |
832 | 928 | ||
833 | if (hdr->bfd_section != NULL) |
929 | if (hdr->bfd_section != NULL) |
834 | return TRUE; |
930 | return TRUE; |
835 | 931 | ||
836 | newsect = bfd_make_section_anyway (abfd, name); |
932 | newsect = bfd_make_section_anyway (abfd, name); |
837 | if (newsect == NULL) |
933 | if (newsect == NULL) |
838 | return FALSE; |
934 | return FALSE; |
839 | 935 | ||
840 | hdr->bfd_section = newsect; |
936 | hdr->bfd_section = newsect; |
841 | elf_section_data (newsect)->this_hdr = *hdr; |
937 | elf_section_data (newsect)->this_hdr = *hdr; |
842 | elf_section_data (newsect)->this_idx = shindex; |
938 | elf_section_data (newsect)->this_idx = shindex; |
843 | 939 | ||
844 | /* Always use the real type/flags. */ |
940 | /* Always use the real type/flags. */ |
845 | elf_section_type (newsect) = hdr->sh_type; |
941 | elf_section_type (newsect) = hdr->sh_type; |
846 | elf_section_flags (newsect) = hdr->sh_flags; |
942 | elf_section_flags (newsect) = hdr->sh_flags; |
847 | 943 | ||
848 | newsect->filepos = hdr->sh_offset; |
944 | newsect->filepos = hdr->sh_offset; |
849 | 945 | ||
850 | if (! bfd_set_section_vma (abfd, newsect, hdr->sh_addr) |
946 | if (! bfd_set_section_vma (abfd, newsect, hdr->sh_addr) |
851 | || ! bfd_set_section_size (abfd, newsect, hdr->sh_size) |
947 | || ! bfd_set_section_size (abfd, newsect, hdr->sh_size) |
852 | || ! bfd_set_section_alignment (abfd, newsect, |
948 | || ! bfd_set_section_alignment (abfd, newsect, |
853 | bfd_log2 (hdr->sh_addralign))) |
949 | bfd_log2 (hdr->sh_addralign))) |
854 | return FALSE; |
950 | return FALSE; |
855 | 951 | ||
856 | flags = SEC_NO_FLAGS; |
952 | flags = SEC_NO_FLAGS; |
857 | if (hdr->sh_type != SHT_NOBITS) |
953 | if (hdr->sh_type != SHT_NOBITS) |
858 | flags |= SEC_HAS_CONTENTS; |
954 | flags |= SEC_HAS_CONTENTS; |
859 | if (hdr->sh_type == SHT_GROUP) |
955 | if (hdr->sh_type == SHT_GROUP) |
860 | flags |= SEC_GROUP | SEC_EXCLUDE; |
956 | flags |= SEC_GROUP | SEC_EXCLUDE; |
861 | if ((hdr->sh_flags & SHF_ALLOC) != 0) |
957 | if ((hdr->sh_flags & SHF_ALLOC) != 0) |
862 | { |
958 | { |
863 | flags |= SEC_ALLOC; |
959 | flags |= SEC_ALLOC; |
864 | if (hdr->sh_type != SHT_NOBITS) |
960 | if (hdr->sh_type != SHT_NOBITS) |
865 | flags |= SEC_LOAD; |
961 | flags |= SEC_LOAD; |
866 | } |
962 | } |
867 | if ((hdr->sh_flags & SHF_WRITE) == 0) |
963 | if ((hdr->sh_flags & SHF_WRITE) == 0) |
868 | flags |= SEC_READONLY; |
964 | flags |= SEC_READONLY; |
869 | if ((hdr->sh_flags & SHF_EXECINSTR) != 0) |
965 | if ((hdr->sh_flags & SHF_EXECINSTR) != 0) |
870 | flags |= SEC_CODE; |
966 | flags |= SEC_CODE; |
871 | else if ((flags & SEC_LOAD) != 0) |
967 | else if ((flags & SEC_LOAD) != 0) |
872 | flags |= SEC_DATA; |
968 | flags |= SEC_DATA; |
873 | if ((hdr->sh_flags & SHF_MERGE) != 0) |
969 | if ((hdr->sh_flags & SHF_MERGE) != 0) |
874 | { |
970 | { |
875 | flags |= SEC_MERGE; |
971 | flags |= SEC_MERGE; |
876 | newsect->entsize = hdr->sh_entsize; |
972 | newsect->entsize = hdr->sh_entsize; |
877 | if ((hdr->sh_flags & SHF_STRINGS) != 0) |
973 | if ((hdr->sh_flags & SHF_STRINGS) != 0) |
878 | flags |= SEC_STRINGS; |
974 | flags |= SEC_STRINGS; |
879 | } |
975 | } |
880 | if (hdr->sh_flags & SHF_GROUP) |
976 | if (hdr->sh_flags & SHF_GROUP) |
881 | if (!setup_group (abfd, hdr, newsect)) |
977 | if (!setup_group (abfd, hdr, newsect)) |
882 | return FALSE; |
978 | return FALSE; |
883 | if ((hdr->sh_flags & SHF_TLS) != 0) |
979 | if ((hdr->sh_flags & SHF_TLS) != 0) |
884 | flags |= SEC_THREAD_LOCAL; |
980 | flags |= SEC_THREAD_LOCAL; |
885 | if ((hdr->sh_flags & SHF_EXCLUDE) != 0) |
981 | if ((hdr->sh_flags & SHF_EXCLUDE) != 0) |
886 | flags |= SEC_EXCLUDE; |
982 | flags |= SEC_EXCLUDE; |
887 | 983 | ||
888 | if ((flags & SEC_ALLOC) == 0) |
984 | if ((flags & SEC_ALLOC) == 0) |
889 | { |
985 | { |
890 | /* The debugging sections appear to be recognized only by name, |
986 | /* The debugging sections appear to be recognized only by name, |
891 | not any sort of flag. Their SEC_ALLOC bits are cleared. */ |
987 | not any sort of flag. Their SEC_ALLOC bits are cleared. */ |
892 | if (name [0] == '.') |
988 | if (name [0] == '.') |
893 | { |
989 | { |
894 | const char *p; |
990 | const char *p; |
895 | int n; |
991 | int n; |
896 | if (name[1] == 'd') |
992 | if (name[1] == 'd') |
897 | p = ".debug", n = 6; |
993 | p = ".debug", n = 6; |
898 | else if (name[1] == 'g' && name[2] == 'n') |
994 | else if (name[1] == 'g' && name[2] == 'n') |
899 | p = ".gnu.linkonce.wi.", n = 17; |
995 | p = ".gnu.linkonce.wi.", n = 17; |
900 | else if (name[1] == 'g' && name[2] == 'd') |
996 | else if (name[1] == 'g' && name[2] == 'd') |
901 | p = ".gdb_index", n = 11; /* yes we really do mean 11. */ |
997 | p = ".gdb_index", n = 11; /* yes we really do mean 11. */ |
902 | else if (name[1] == 'l') |
998 | else if (name[1] == 'l') |
903 | p = ".line", n = 5; |
999 | p = ".line", n = 5; |
904 | else if (name[1] == 's') |
1000 | else if (name[1] == 's') |
905 | p = ".stab", n = 5; |
1001 | p = ".stab", n = 5; |
906 | else if (name[1] == 'z') |
1002 | else if (name[1] == 'z') |
907 | p = ".zdebug", n = 7; |
1003 | p = ".zdebug", n = 7; |
908 | else |
1004 | else |
909 | p = NULL, n = 0; |
1005 | p = NULL, n = 0; |
910 | if (p != NULL && strncmp (name, p, n) == 0) |
1006 | if (p != NULL && strncmp (name, p, n) == 0) |
911 | flags |= SEC_DEBUGGING; |
1007 | flags |= SEC_DEBUGGING; |
912 | } |
1008 | } |
913 | } |
1009 | } |
914 | 1010 | ||
915 | /* As a GNU extension, if the name begins with .gnu.linkonce, we |
1011 | /* As a GNU extension, if the name begins with .gnu.linkonce, we |
916 | only link a single copy of the section. This is used to support |
1012 | only link a single copy of the section. This is used to support |
917 | g++. g++ will emit each template expansion in its own section. |
1013 | g++. g++ will emit each template expansion in its own section. |
918 | The symbols will be defined as weak, so that multiple definitions |
1014 | The symbols will be defined as weak, so that multiple definitions |
919 | are permitted. The GNU linker extension is to actually discard |
1015 | are permitted. The GNU linker extension is to actually discard |
920 | all but one of the sections. */ |
1016 | all but one of the sections. */ |
921 | if (CONST_STRNEQ (name, ".gnu.linkonce") |
1017 | if (CONST_STRNEQ (name, ".gnu.linkonce") |
922 | && elf_next_in_group (newsect) == NULL) |
1018 | && elf_next_in_group (newsect) == NULL) |
923 | flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD; |
1019 | flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD; |
924 | 1020 | ||
925 | bed = get_elf_backend_data (abfd); |
1021 | bed = get_elf_backend_data (abfd); |
926 | if (bed->elf_backend_section_flags) |
1022 | if (bed->elf_backend_section_flags) |
927 | if (! bed->elf_backend_section_flags (&flags, hdr)) |
1023 | if (! bed->elf_backend_section_flags (&flags, hdr)) |
928 | return FALSE; |
1024 | return FALSE; |
929 | 1025 | ||
930 | if (! bfd_set_section_flags (abfd, newsect, flags)) |
1026 | if (! bfd_set_section_flags (abfd, newsect, flags)) |
931 | return FALSE; |
1027 | return FALSE; |
932 | 1028 | ||
933 | /* We do not parse the PT_NOTE segments as we are interested even in the |
1029 | /* We do not parse the PT_NOTE segments as we are interested even in the |
934 | separate debug info files which may have the segments offsets corrupted. |
1030 | separate debug info files which may have the segments offsets corrupted. |
935 | PT_NOTEs from the core files are currently not parsed using BFD. */ |
1031 | PT_NOTEs from the core files are currently not parsed using BFD. */ |
936 | if (hdr->sh_type == SHT_NOTE) |
1032 | if (hdr->sh_type == SHT_NOTE) |
937 | { |
1033 | { |
938 | bfd_byte *contents; |
1034 | bfd_byte *contents; |
939 | 1035 | ||
940 | if (!bfd_malloc_and_get_section (abfd, newsect, &contents)) |
1036 | if (!bfd_malloc_and_get_section (abfd, newsect, &contents)) |
941 | return FALSE; |
1037 | return FALSE; |
942 | 1038 | ||
943 | elf_parse_notes (abfd, (char *) contents, hdr->sh_size, -1); |
1039 | elf_parse_notes (abfd, (char *) contents, hdr->sh_size, -1); |
944 | free (contents); |
1040 | free (contents); |
945 | } |
1041 | } |
946 | 1042 | ||
947 | if ((flags & SEC_ALLOC) != 0) |
1043 | if ((flags & SEC_ALLOC) != 0) |
948 | { |
1044 | { |
949 | Elf_Internal_Phdr *phdr; |
1045 | Elf_Internal_Phdr *phdr; |
950 | unsigned int i, nload; |
1046 | unsigned int i, nload; |
951 | 1047 | ||
952 | /* Some ELF linkers produce binaries with all the program header |
1048 | /* Some ELF linkers produce binaries with all the program header |
953 | p_paddr fields zero. If we have such a binary with more than |
1049 | p_paddr fields zero. If we have such a binary with more than |
954 | one PT_LOAD header, then leave the section lma equal to vma |
1050 | one PT_LOAD header, then leave the section lma equal to vma |
955 | so that we don't create sections with overlapping lma. */ |
1051 | so that we don't create sections with overlapping lma. */ |
956 | phdr = elf_tdata (abfd)->phdr; |
1052 | phdr = elf_tdata (abfd)->phdr; |
957 | for (nload = 0, i = 0; i < elf_elfheader (abfd)->e_phnum; i++, phdr++) |
1053 | for (nload = 0, i = 0; i < elf_elfheader (abfd)->e_phnum; i++, phdr++) |
958 | if (phdr->p_paddr != 0) |
1054 | if (phdr->p_paddr != 0) |
959 | break; |
1055 | break; |
960 | else if (phdr->p_type == PT_LOAD && phdr->p_memsz != 0) |
1056 | else if (phdr->p_type == PT_LOAD && phdr->p_memsz != 0) |
961 | ++nload; |
1057 | ++nload; |
962 | if (i >= elf_elfheader (abfd)->e_phnum && nload > 1) |
1058 | if (i >= elf_elfheader (abfd)->e_phnum && nload > 1) |
963 | return TRUE; |
1059 | return TRUE; |
964 | 1060 | ||
965 | phdr = elf_tdata (abfd)->phdr; |
1061 | phdr = elf_tdata (abfd)->phdr; |
966 | for (i = 0; i < elf_elfheader (abfd)->e_phnum; i++, phdr++) |
1062 | for (i = 0; i < elf_elfheader (abfd)->e_phnum; i++, phdr++) |
967 | { |
1063 | { |
968 | if (((phdr->p_type == PT_LOAD |
1064 | if (((phdr->p_type == PT_LOAD |
969 | && (hdr->sh_flags & SHF_TLS) == 0) |
1065 | && (hdr->sh_flags & SHF_TLS) == 0) |
970 | || phdr->p_type == PT_TLS) |
1066 | || phdr->p_type == PT_TLS) |
971 | && ELF_SECTION_IN_SEGMENT (hdr, phdr)) |
1067 | && ELF_SECTION_IN_SEGMENT (hdr, phdr)) |
972 | { |
1068 | { |
973 | if ((flags & SEC_LOAD) == 0) |
1069 | if ((flags & SEC_LOAD) == 0) |
974 | newsect->lma = (phdr->p_paddr |
1070 | newsect->lma = (phdr->p_paddr |
975 | + hdr->sh_addr - phdr->p_vaddr); |
1071 | + hdr->sh_addr - phdr->p_vaddr); |
976 | else |
1072 | else |
977 | /* We used to use the same adjustment for SEC_LOAD |
1073 | /* We used to use the same adjustment for SEC_LOAD |
978 | sections, but that doesn't work if the segment |
1074 | sections, but that doesn't work if the segment |
979 | is packed with code from multiple VMAs. |
1075 | is packed with code from multiple VMAs. |
980 | Instead we calculate the section LMA based on |
1076 | Instead we calculate the section LMA based on |
981 | the segment LMA. It is assumed that the |
1077 | the segment LMA. It is assumed that the |
982 | segment will contain sections with contiguous |
1078 | segment will contain sections with contiguous |
983 | LMAs, even if the VMAs are not. */ |
1079 | LMAs, even if the VMAs are not. */ |
984 | newsect->lma = (phdr->p_paddr |
1080 | newsect->lma = (phdr->p_paddr |
985 | + hdr->sh_offset - phdr->p_offset); |
1081 | + hdr->sh_offset - phdr->p_offset); |
986 | 1082 | ||
987 | /* With contiguous segments, we can't tell from file |
1083 | /* With contiguous segments, we can't tell from file |
988 | offsets whether a section with zero size should |
1084 | offsets whether a section with zero size should |
989 | be placed at the end of one segment or the |
1085 | be placed at the end of one segment or the |
990 | beginning of the next. Decide based on vaddr. */ |
1086 | beginning of the next. Decide based on vaddr. */ |
991 | if (hdr->sh_addr >= phdr->p_vaddr |
1087 | if (hdr->sh_addr >= phdr->p_vaddr |
992 | && (hdr->sh_addr + hdr->sh_size |
1088 | && (hdr->sh_addr + hdr->sh_size |
993 | <= phdr->p_vaddr + phdr->p_memsz)) |
1089 | <= phdr->p_vaddr + phdr->p_memsz)) |
994 | break; |
1090 | break; |
995 | } |
1091 | } |
996 | } |
1092 | } |
997 | } |
1093 | } |
998 | 1094 | ||
999 | /* Compress/decompress DWARF debug sections with names: .debug_* and |
1095 | /* Compress/decompress DWARF debug sections with names: .debug_* and |
1000 | .zdebug_*, after the section flags is set. */ |
1096 | .zdebug_*, after the section flags is set. */ |
1001 | if ((flags & SEC_DEBUGGING) |
1097 | if ((flags & SEC_DEBUGGING) |
1002 | && ((name[1] == 'd' && name[6] == '_') |
1098 | && ((name[1] == 'd' && name[6] == '_') |
1003 | || (name[1] == 'z' && name[7] == '_'))) |
1099 | || (name[1] == 'z' && name[7] == '_'))) |
1004 | { |
1100 | { |
1005 | enum { nothing, compress, decompress } action = nothing; |
1101 | enum { nothing, compress, decompress } action = nothing; |
1006 | char *new_name; |
1102 | int compression_header_size; |
- | 1103 | bfd_size_type uncompressed_size; |
|
- | 1104 | bfd_boolean compressed |
|
- | 1105 | = bfd_is_section_compressed_with_header (abfd, newsect, |
|
- | 1106 | &compression_header_size, |
|
- | 1107 | &uncompressed_size); |
|
1007 | 1108 | ||
1008 | if (bfd_is_section_compressed (abfd, newsect)) |
1109 | if (compressed) |
1009 | { |
1110 | { |
1010 | /* Compressed section. Check if we should decompress. */ |
1111 | /* Compressed section. Check if we should decompress. */ |
1011 | if ((abfd->flags & BFD_DECOMPRESS)) |
1112 | if ((abfd->flags & BFD_DECOMPRESS)) |
1012 | action = decompress; |
1113 | action = decompress; |
1013 | } |
1114 | } |
- | 1115 | ||
- | 1116 | /* Compress the uncompressed section or convert from/to .zdebug* |
|
- | 1117 | section. Check if we should compress. */ |
|
1014 | else |
1118 | if (action == nothing) |
1015 | { |
1119 | { |
- | 1120 | if (newsect->size != 0 |
|
- | 1121 | && (abfd->flags & BFD_COMPRESS) |
|
1016 | /* Normal section. Check if we should compress. */ |
1122 | && compression_header_size >= 0 |
- | 1123 | && uncompressed_size > 0 |
|
- | 1124 | && (!compressed |
|
- | 1125 | || ((compression_header_size > 0) |
|
1017 | if ((abfd->flags & BFD_COMPRESS) && newsect->size != 0) |
1126 | != ((abfd->flags & BFD_COMPRESS_GABI) != 0)))) |
1018 | action = compress; |
1127 | action = compress; |
- | 1128 | else |
|
- | 1129 | return TRUE; |
|
1019 | } |
1130 | } |
1020 | - | ||
1021 | new_name = NULL; |
1131 | |
1022 | switch (action) |
1132 | if (action == compress) |
1023 | { |
- | |
1024 | case nothing: |
- | |
1025 | break; |
- | |
1026 | case compress: |
1133 | { |
1027 | if (!bfd_init_section_compress_status (abfd, newsect)) |
1134 | if (!bfd_init_section_compress_status (abfd, newsect)) |
1028 | { |
1135 | { |
1029 | (*_bfd_error_handler) |
1136 | (*_bfd_error_handler) |
1030 | (_("%B: unable to initialize compress status for section %s"), |
1137 | (_("%B: unable to initialize compress status for section %s"), |
1031 | abfd, name); |
1138 | abfd, name); |
1032 | return FALSE; |
1139 | return FALSE; |
1033 | } |
1140 | } |
1034 | if (name[1] != 'z') |
- | |
1035 | { |
- | |
1036 | unsigned int len = strlen (name); |
- | |
1037 | - | ||
1038 | new_name = bfd_alloc (abfd, len + 2); |
- | |
1039 | if (new_name == NULL) |
- | |
1040 | return FALSE; |
- | |
1041 | new_name[0] = '.'; |
- | |
1042 | new_name[1] = 'z'; |
- | |
1043 | memcpy (new_name + 2, name + 1, len); |
- | |
1044 | } |
1141 | } |
1045 | break; |
1142 | else |
1046 | case decompress: |
1143 | { |
1047 | if (!bfd_init_section_decompress_status (abfd, newsect)) |
1144 | if (!bfd_init_section_decompress_status (abfd, newsect)) |
1048 | { |
1145 | { |
1049 | (*_bfd_error_handler) |
1146 | (*_bfd_error_handler) |
1050 | (_("%B: unable to initialize decompress status for section %s"), |
1147 | (_("%B: unable to initialize decompress status for section %s"), |
1051 | abfd, name); |
1148 | abfd, name); |
1052 | return FALSE; |
1149 | return FALSE; |
1053 | } |
1150 | } |
1054 | if (name[1] == 'z') |
- | |
1055 | { |
1151 | } |
1056 | unsigned int len = strlen (name); |
- | |
- | 1152 | ||
- | 1153 | if (abfd->is_linker_input) |
|
- | 1154 | { |
|
- | 1155 | if (name[1] == 'z' |
|
- | 1156 | && (action == decompress |
|
- | 1157 | || (action == compress |
|
- | 1158 | && (abfd->flags & BFD_COMPRESS_GABI) != 0))) |
|
- | 1159 | { |
|
- | 1160 | /* Convert section name from .zdebug_* to .debug_* so |
|
- | 1161 | that linker will consider this section as a debug |
|
1057 | 1162 | section. */ |
|
1058 | new_name = bfd_alloc (abfd, len); |
1163 | char *new_name = convert_zdebug_to_debug (abfd, name); |
1059 | if (new_name == NULL) |
1164 | if (new_name == NULL) |
1060 | return FALSE; |
- | |
1061 | new_name[0] = '.'; |
1165 | return FALSE; |
1062 | memcpy (new_name + 1, name + 2, len - 1); |
1166 | bfd_rename_section (abfd, newsect, new_name); |
1063 | } |
- | |
1064 | break; |
1167 | } |
1065 | } |
1168 | } |
- | 1169 | else |
|
1066 | if (new_name != NULL) |
1170 | /* For objdump, don't rename the section. For objcopy, delay |
- | 1171 | section rename to elf_fake_sections. */ |
|
1067 | bfd_rename_section (abfd, newsect, new_name); |
1172 | newsect->flags |= SEC_ELF_RENAME; |
1068 | } |
1173 | } |
1069 | 1174 | ||
1070 | return TRUE; |
1175 | return TRUE; |
1071 | } |
1176 | } |
1072 | 1177 | ||
1073 | const char *const bfd_elf_section_type_names[] = { |
1178 | const char *const bfd_elf_section_type_names[] = { |
1074 | "SHT_NULL", "SHT_PROGBITS", "SHT_SYMTAB", "SHT_STRTAB", |
1179 | "SHT_NULL", "SHT_PROGBITS", "SHT_SYMTAB", "SHT_STRTAB", |
1075 | "SHT_RELA", "SHT_HASH", "SHT_DYNAMIC", "SHT_NOTE", |
1180 | "SHT_RELA", "SHT_HASH", "SHT_DYNAMIC", "SHT_NOTE", |
1076 | "SHT_NOBITS", "SHT_REL", "SHT_SHLIB", "SHT_DYNSYM", |
1181 | "SHT_NOBITS", "SHT_REL", "SHT_SHLIB", "SHT_DYNSYM", |
1077 | }; |
1182 | }; |
1078 | 1183 | ||
1079 | /* ELF relocs are against symbols. If we are producing relocatable |
1184 | /* ELF relocs are against symbols. If we are producing relocatable |
1080 | output, and the reloc is against an external symbol, and nothing |
1185 | output, and the reloc is against an external symbol, and nothing |
1081 | has given us any additional addend, the resulting reloc will also |
1186 | has given us any additional addend, the resulting reloc will also |
1082 | be against the same symbol. In such a case, we don't want to |
1187 | be against the same symbol. In such a case, we don't want to |
1083 | change anything about the way the reloc is handled, since it will |
1188 | change anything about the way the reloc is handled, since it will |
1084 | all be done at final link time. Rather than put special case code |
1189 | all be done at final link time. Rather than put special case code |
1085 | into bfd_perform_relocation, all the reloc types use this howto |
1190 | into bfd_perform_relocation, all the reloc types use this howto |
1086 | function. It just short circuits the reloc if producing |
1191 | function. It just short circuits the reloc if producing |
1087 | relocatable output against an external symbol. */ |
1192 | relocatable output against an external symbol. */ |
1088 | 1193 | ||
1089 | bfd_reloc_status_type |
1194 | bfd_reloc_status_type |
1090 | bfd_elf_generic_reloc (bfd *abfd ATTRIBUTE_UNUSED, |
1195 | bfd_elf_generic_reloc (bfd *abfd ATTRIBUTE_UNUSED, |
1091 | arelent *reloc_entry, |
1196 | arelent *reloc_entry, |
1092 | asymbol *symbol, |
1197 | asymbol *symbol, |
1093 | void *data ATTRIBUTE_UNUSED, |
1198 | void *data ATTRIBUTE_UNUSED, |
1094 | asection *input_section, |
1199 | asection *input_section, |
1095 | bfd *output_bfd, |
1200 | bfd *output_bfd, |
1096 | char **error_message ATTRIBUTE_UNUSED) |
1201 | char **error_message ATTRIBUTE_UNUSED) |
1097 | { |
1202 | { |
1098 | if (output_bfd != NULL |
1203 | if (output_bfd != NULL |
1099 | && (symbol->flags & BSF_SECTION_SYM) == 0 |
1204 | && (symbol->flags & BSF_SECTION_SYM) == 0 |
1100 | && (! reloc_entry->howto->partial_inplace |
1205 | && (! reloc_entry->howto->partial_inplace |
1101 | || reloc_entry->addend == 0)) |
1206 | || reloc_entry->addend == 0)) |
1102 | { |
1207 | { |
1103 | reloc_entry->address += input_section->output_offset; |
1208 | reloc_entry->address += input_section->output_offset; |
1104 | return bfd_reloc_ok; |
1209 | return bfd_reloc_ok; |
1105 | } |
1210 | } |
1106 | 1211 | ||
1107 | return bfd_reloc_continue; |
1212 | return bfd_reloc_continue; |
1108 | } |
1213 | } |
1109 | 1214 | ||
1110 | /* Copy the program header and other data from one object module to |
1215 | /* Copy the program header and other data from one object module to |
1111 | another. */ |
1216 | another. */ |
1112 | 1217 | ||
1113 | bfd_boolean |
1218 | bfd_boolean |
1114 | _bfd_elf_copy_private_bfd_data (bfd *ibfd, bfd *obfd) |
1219 | _bfd_elf_copy_private_bfd_data (bfd *ibfd, bfd *obfd) |
1115 | { |
1220 | { |
1116 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
1221 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
1117 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) |
1222 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) |
1118 | return TRUE; |
1223 | return TRUE; |
1119 | 1224 | ||
1120 | BFD_ASSERT (!elf_flags_init (obfd) |
- | |
1121 | || (elf_elfheader (obfd)->e_flags |
- | |
1122 | == elf_elfheader (ibfd)->e_flags)); |
1225 | if (!elf_flags_init (obfd)) |
1123 | - | ||
1124 | elf_gp (obfd) = elf_gp (ibfd); |
1226 | { |
1125 | elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags; |
1227 | elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags; |
- | 1228 | elf_flags_init (obfd) = TRUE; |
|
- | 1229 | } |
|
- | 1230 | ||
- | 1231 | elf_gp (obfd) = elf_gp (ibfd); |
|
- | 1232 | ||
- | 1233 | /* Also copy the EI_OSABI field. */ |
|
- | 1234 | elf_elfheader (obfd)->e_ident[EI_OSABI] = |
|
1126 | elf_flags_init (obfd) = TRUE; |
1235 | elf_elfheader (ibfd)->e_ident[EI_OSABI]; |
1127 | 1236 | ||
1128 | /* Copy object attributes. */ |
1237 | /* Copy object attributes. */ |
1129 | _bfd_elf_copy_obj_attributes (ibfd, obfd); |
1238 | _bfd_elf_copy_obj_attributes (ibfd, obfd); |
- | 1239 | ||
- | 1240 | /* This is an feature for objcopy --only-keep-debug: When a section's type |
|
- | 1241 | is changed to NOBITS, we preserve the sh_link and sh_info fields so that |
|
- | 1242 | they can be matched up with the original. */ |
|
- | 1243 | Elf_Internal_Shdr ** iheaders = elf_elfsections (ibfd); |
|
- | 1244 | Elf_Internal_Shdr ** oheaders = elf_elfsections (obfd); |
|
- | 1245 | ||
- | 1246 | if (iheaders != NULL && oheaders != NULL) |
|
- | 1247 | { |
|
- | 1248 | unsigned int i; |
|
- | 1249 | ||
- | 1250 | for (i = 0; i < elf_numsections (obfd); i++) |
|
- | 1251 | { |
|
- | 1252 | unsigned int j; |
|
- | 1253 | Elf_Internal_Shdr * oheader = oheaders[i]; |
|
- | 1254 | ||
- | 1255 | if (oheader == NULL |
|
- | 1256 | || oheader->sh_type != SHT_NOBITS |
|
- | 1257 | || oheader->sh_size == 0 |
|
- | 1258 | || (oheader->sh_info != 0 && oheader->sh_link != 0)) |
|
- | 1259 | continue; |
|
- | 1260 | ||
- | 1261 | /* Scan for the matching section in the input bfd. |
|
- | 1262 | FIXME: We could use something better than a linear scan here. |
|
- | 1263 | Unfortunately we cannot compare names as the output string table |
|
- | 1264 | is empty, so instead we check size, address and type. */ |
|
- | 1265 | for (j = 0; j < elf_numsections (ibfd); j++) |
|
- | 1266 | { |
|
- | 1267 | Elf_Internal_Shdr * iheader = iheaders[j]; |
|
- | 1268 | ||
- | 1269 | /* Since --only-keep-debug turns all non-debug sections |
|
- | 1270 | into SHT_NOBITS sections, the output SHT_NOBITS type |
|
- | 1271 | matches any input type. */ |
|
- | 1272 | if ((oheader->sh_type == SHT_NOBITS |
|
- | 1273 | || iheader->sh_type == oheader->sh_type) |
|
- | 1274 | && iheader->sh_flags == oheader->sh_flags |
|
- | 1275 | && iheader->sh_addralign == oheader->sh_addralign |
|
- | 1276 | && iheader->sh_entsize == oheader->sh_entsize |
|
- | 1277 | && iheader->sh_size == oheader->sh_size |
|
- | 1278 | && iheader->sh_addr == oheader->sh_addr |
|
- | 1279 | && (iheader->sh_info != oheader->sh_info |
|
- | 1280 | || iheader->sh_link != oheader->sh_link)) |
|
- | 1281 | { |
|
- | 1282 | /* Note: Strictly speaking these assignments are wrong. |
|
- | 1283 | The sh_link and sh_info fields should point to the |
|
- | 1284 | relevent sections in the output BFD, which may not be in |
|
- | 1285 | the same location as they were in the input BFD. But the |
|
- | 1286 | whole point of this action is to preserve the original |
|
- | 1287 | values of the sh_link and sh_info fields, so that they |
|
- | 1288 | can be matched up with the section headers in the |
|
- | 1289 | original file. So strictly speaking we may be creating |
|
- | 1290 | an invalid ELF file, but it is only for a file that just |
|
- | 1291 | contains debug info and only for sections without any |
|
- | 1292 | contents. */ |
|
- | 1293 | if (oheader->sh_link == 0) |
|
- | 1294 | oheader->sh_link = iheader->sh_link; |
|
- | 1295 | if (oheader->sh_info == 0) |
|
- | 1296 | oheader->sh_info = iheader->sh_info; |
|
- | 1297 | break; |
|
- | 1298 | } |
|
- | 1299 | } |
|
- | 1300 | } |
|
- | 1301 | } |
|
- | 1302 | ||
1130 | return TRUE; |
1303 | return TRUE; |
1131 | } |
1304 | } |
1132 | 1305 | ||
1133 | static const char * |
1306 | static const char * |
1134 | get_segment_type (unsigned int p_type) |
1307 | get_segment_type (unsigned int p_type) |
1135 | { |
1308 | { |
1136 | const char *pt; |
1309 | const char *pt; |
1137 | switch (p_type) |
1310 | switch (p_type) |
1138 | { |
1311 | { |
1139 | case PT_NULL: pt = "NULL"; break; |
1312 | case PT_NULL: pt = "NULL"; break; |
1140 | case PT_LOAD: pt = "LOAD"; break; |
1313 | case PT_LOAD: pt = "LOAD"; break; |
1141 | case PT_DYNAMIC: pt = "DYNAMIC"; break; |
1314 | case PT_DYNAMIC: pt = "DYNAMIC"; break; |
1142 | case PT_INTERP: pt = "INTERP"; break; |
1315 | case PT_INTERP: pt = "INTERP"; break; |
1143 | case PT_NOTE: pt = "NOTE"; break; |
1316 | case PT_NOTE: pt = "NOTE"; break; |
1144 | case PT_SHLIB: pt = "SHLIB"; break; |
1317 | case PT_SHLIB: pt = "SHLIB"; break; |
1145 | case PT_PHDR: pt = "PHDR"; break; |
1318 | case PT_PHDR: pt = "PHDR"; break; |
1146 | case PT_TLS: pt = "TLS"; break; |
1319 | case PT_TLS: pt = "TLS"; break; |
1147 | case PT_GNU_EH_FRAME: pt = "EH_FRAME"; break; |
1320 | case PT_GNU_EH_FRAME: pt = "EH_FRAME"; break; |
1148 | case PT_GNU_STACK: pt = "STACK"; break; |
1321 | case PT_GNU_STACK: pt = "STACK"; break; |
1149 | case PT_GNU_RELRO: pt = "RELRO"; break; |
1322 | case PT_GNU_RELRO: pt = "RELRO"; break; |
1150 | default: pt = NULL; break; |
1323 | default: pt = NULL; break; |
1151 | } |
1324 | } |
1152 | return pt; |
1325 | return pt; |
1153 | } |
1326 | } |
1154 | 1327 | ||
1155 | /* Print out the program headers. */ |
1328 | /* Print out the program headers. */ |
1156 | 1329 | ||
1157 | bfd_boolean |
1330 | bfd_boolean |
1158 | _bfd_elf_print_private_bfd_data (bfd *abfd, void *farg) |
1331 | _bfd_elf_print_private_bfd_data (bfd *abfd, void *farg) |
1159 | { |
1332 | { |
1160 | FILE *f = (FILE *) farg; |
1333 | FILE *f = (FILE *) farg; |
1161 | Elf_Internal_Phdr *p; |
1334 | Elf_Internal_Phdr *p; |
1162 | asection *s; |
1335 | asection *s; |
1163 | bfd_byte *dynbuf = NULL; |
1336 | bfd_byte *dynbuf = NULL; |
1164 | 1337 | ||
1165 | p = elf_tdata (abfd)->phdr; |
1338 | p = elf_tdata (abfd)->phdr; |
1166 | if (p != NULL) |
1339 | if (p != NULL) |
1167 | { |
1340 | { |
1168 | unsigned int i, c; |
1341 | unsigned int i, c; |
1169 | 1342 | ||
1170 | fprintf (f, _("\nProgram Header:\n")); |
1343 | fprintf (f, _("\nProgram Header:\n")); |
1171 | c = elf_elfheader (abfd)->e_phnum; |
1344 | c = elf_elfheader (abfd)->e_phnum; |
1172 | for (i = 0; i < c; i++, p++) |
1345 | for (i = 0; i < c; i++, p++) |
1173 | { |
1346 | { |
1174 | const char *pt = get_segment_type (p->p_type); |
1347 | const char *pt = get_segment_type (p->p_type); |
1175 | char buf[20]; |
1348 | char buf[20]; |
1176 | 1349 | ||
1177 | if (pt == NULL) |
1350 | if (pt == NULL) |
1178 | { |
1351 | { |
1179 | sprintf (buf, "0x%lx", p->p_type); |
1352 | sprintf (buf, "0x%lx", p->p_type); |
1180 | pt = buf; |
1353 | pt = buf; |
1181 | } |
1354 | } |
1182 | fprintf (f, "%8s off 0x", pt); |
1355 | fprintf (f, "%8s off 0x", pt); |
1183 | bfd_fprintf_vma (abfd, f, p->p_offset); |
1356 | bfd_fprintf_vma (abfd, f, p->p_offset); |
1184 | fprintf (f, " vaddr 0x"); |
1357 | fprintf (f, " vaddr 0x"); |
1185 | bfd_fprintf_vma (abfd, f, p->p_vaddr); |
1358 | bfd_fprintf_vma (abfd, f, p->p_vaddr); |
1186 | fprintf (f, " paddr 0x"); |
1359 | fprintf (f, " paddr 0x"); |
1187 | bfd_fprintf_vma (abfd, f, p->p_paddr); |
1360 | bfd_fprintf_vma (abfd, f, p->p_paddr); |
1188 | fprintf (f, " align 2**%u\n", bfd_log2 (p->p_align)); |
1361 | fprintf (f, " align 2**%u\n", bfd_log2 (p->p_align)); |
1189 | fprintf (f, " filesz 0x"); |
1362 | fprintf (f, " filesz 0x"); |
1190 | bfd_fprintf_vma (abfd, f, p->p_filesz); |
1363 | bfd_fprintf_vma (abfd, f, p->p_filesz); |
1191 | fprintf (f, " memsz 0x"); |
1364 | fprintf (f, " memsz 0x"); |
1192 | bfd_fprintf_vma (abfd, f, p->p_memsz); |
1365 | bfd_fprintf_vma (abfd, f, p->p_memsz); |
1193 | fprintf (f, " flags %c%c%c", |
1366 | fprintf (f, " flags %c%c%c", |
1194 | (p->p_flags & PF_R) != 0 ? 'r' : '-', |
1367 | (p->p_flags & PF_R) != 0 ? 'r' : '-', |
1195 | (p->p_flags & PF_W) != 0 ? 'w' : '-', |
1368 | (p->p_flags & PF_W) != 0 ? 'w' : '-', |
1196 | (p->p_flags & PF_X) != 0 ? 'x' : '-'); |
1369 | (p->p_flags & PF_X) != 0 ? 'x' : '-'); |
1197 | if ((p->p_flags &~ (unsigned) (PF_R | PF_W | PF_X)) != 0) |
1370 | if ((p->p_flags &~ (unsigned) (PF_R | PF_W | PF_X)) != 0) |
1198 | fprintf (f, " %lx", p->p_flags &~ (unsigned) (PF_R | PF_W | PF_X)); |
1371 | fprintf (f, " %lx", p->p_flags &~ (unsigned) (PF_R | PF_W | PF_X)); |
1199 | fprintf (f, "\n"); |
1372 | fprintf (f, "\n"); |
1200 | } |
1373 | } |
1201 | } |
1374 | } |
1202 | 1375 | ||
1203 | s = bfd_get_section_by_name (abfd, ".dynamic"); |
1376 | s = bfd_get_section_by_name (abfd, ".dynamic"); |
1204 | if (s != NULL) |
1377 | if (s != NULL) |
1205 | { |
1378 | { |
1206 | unsigned int elfsec; |
1379 | unsigned int elfsec; |
1207 | unsigned long shlink; |
1380 | unsigned long shlink; |
1208 | bfd_byte *extdyn, *extdynend; |
1381 | bfd_byte *extdyn, *extdynend; |
1209 | size_t extdynsize; |
1382 | size_t extdynsize; |
1210 | void (*swap_dyn_in) (bfd *, const void *, Elf_Internal_Dyn *); |
1383 | void (*swap_dyn_in) (bfd *, const void *, Elf_Internal_Dyn *); |
1211 | 1384 | ||
1212 | fprintf (f, _("\nDynamic Section:\n")); |
1385 | fprintf (f, _("\nDynamic Section:\n")); |
1213 | 1386 | ||
1214 | if (!bfd_malloc_and_get_section (abfd, s, &dynbuf)) |
1387 | if (!bfd_malloc_and_get_section (abfd, s, &dynbuf)) |
1215 | goto error_return; |
1388 | goto error_return; |
1216 | 1389 | ||
1217 | elfsec = _bfd_elf_section_from_bfd_section (abfd, s); |
1390 | elfsec = _bfd_elf_section_from_bfd_section (abfd, s); |
1218 | if (elfsec == SHN_BAD) |
1391 | if (elfsec == SHN_BAD) |
1219 | goto error_return; |
1392 | goto error_return; |
1220 | shlink = elf_elfsections (abfd)[elfsec]->sh_link; |
1393 | shlink = elf_elfsections (abfd)[elfsec]->sh_link; |
1221 | 1394 | ||
1222 | extdynsize = get_elf_backend_data (abfd)->s->sizeof_dyn; |
1395 | extdynsize = get_elf_backend_data (abfd)->s->sizeof_dyn; |
1223 | swap_dyn_in = get_elf_backend_data (abfd)->s->swap_dyn_in; |
1396 | swap_dyn_in = get_elf_backend_data (abfd)->s->swap_dyn_in; |
1224 | 1397 | ||
1225 | extdyn = dynbuf; |
1398 | extdyn = dynbuf; |
- | 1399 | /* PR 17512: file: 6f427532. */ |
|
- | 1400 | if (s->size < extdynsize) |
|
- | 1401 | goto error_return; |
|
1226 | extdynend = extdyn + s->size; |
1402 | extdynend = extdyn + s->size; |
- | 1403 | /* PR 17512: file: id:000006,sig:06,src:000000,op:flip4,pos:5664. |
|
- | 1404 | Fix range check. */ |
|
1227 | for (; extdyn < extdynend; extdyn += extdynsize) |
1405 | for (; extdyn <= (extdynend - extdynsize); extdyn += extdynsize) |
1228 | { |
1406 | { |
1229 | Elf_Internal_Dyn dyn; |
1407 | Elf_Internal_Dyn dyn; |
1230 | const char *name = ""; |
1408 | const char *name = ""; |
1231 | char ab[20]; |
1409 | char ab[20]; |
1232 | bfd_boolean stringp; |
1410 | bfd_boolean stringp; |
1233 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
1411 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
1234 | 1412 | ||
1235 | (*swap_dyn_in) (abfd, extdyn, &dyn); |
1413 | (*swap_dyn_in) (abfd, extdyn, &dyn); |
1236 | 1414 | ||
1237 | if (dyn.d_tag == DT_NULL) |
1415 | if (dyn.d_tag == DT_NULL) |
1238 | break; |
1416 | break; |
1239 | 1417 | ||
1240 | stringp = FALSE; |
1418 | stringp = FALSE; |
1241 | switch (dyn.d_tag) |
1419 | switch (dyn.d_tag) |
1242 | { |
1420 | { |
1243 | default: |
1421 | default: |
1244 | if (bed->elf_backend_get_target_dtag) |
1422 | if (bed->elf_backend_get_target_dtag) |
1245 | name = (*bed->elf_backend_get_target_dtag) (dyn.d_tag); |
1423 | name = (*bed->elf_backend_get_target_dtag) (dyn.d_tag); |
1246 | 1424 | ||
1247 | if (!strcmp (name, "")) |
1425 | if (!strcmp (name, "")) |
1248 | { |
1426 | { |
1249 | sprintf (ab, "0x%lx", (unsigned long) dyn.d_tag); |
1427 | sprintf (ab, "0x%lx", (unsigned long) dyn.d_tag); |
1250 | name = ab; |
1428 | name = ab; |
1251 | } |
1429 | } |
1252 | break; |
1430 | break; |
1253 | 1431 | ||
1254 | case DT_NEEDED: name = "NEEDED"; stringp = TRUE; break; |
1432 | case DT_NEEDED: name = "NEEDED"; stringp = TRUE; break; |
1255 | case DT_PLTRELSZ: name = "PLTRELSZ"; break; |
1433 | case DT_PLTRELSZ: name = "PLTRELSZ"; break; |
1256 | case DT_PLTGOT: name = "PLTGOT"; break; |
1434 | case DT_PLTGOT: name = "PLTGOT"; break; |
1257 | case DT_HASH: name = "HASH"; break; |
1435 | case DT_HASH: name = "HASH"; break; |
1258 | case DT_STRTAB: name = "STRTAB"; break; |
1436 | case DT_STRTAB: name = "STRTAB"; break; |
1259 | case DT_SYMTAB: name = "SYMTAB"; break; |
1437 | case DT_SYMTAB: name = "SYMTAB"; break; |
1260 | case DT_RELA: name = "RELA"; break; |
1438 | case DT_RELA: name = "RELA"; break; |
1261 | case DT_RELASZ: name = "RELASZ"; break; |
1439 | case DT_RELASZ: name = "RELASZ"; break; |
1262 | case DT_RELAENT: name = "RELAENT"; break; |
1440 | case DT_RELAENT: name = "RELAENT"; break; |
1263 | case DT_STRSZ: name = "STRSZ"; break; |
1441 | case DT_STRSZ: name = "STRSZ"; break; |
1264 | case DT_SYMENT: name = "SYMENT"; break; |
1442 | case DT_SYMENT: name = "SYMENT"; break; |
1265 | case DT_INIT: name = "INIT"; break; |
1443 | case DT_INIT: name = "INIT"; break; |
1266 | case DT_FINI: name = "FINI"; break; |
1444 | case DT_FINI: name = "FINI"; break; |
1267 | case DT_SONAME: name = "SONAME"; stringp = TRUE; break; |
1445 | case DT_SONAME: name = "SONAME"; stringp = TRUE; break; |
1268 | case DT_RPATH: name = "RPATH"; stringp = TRUE; break; |
1446 | case DT_RPATH: name = "RPATH"; stringp = TRUE; break; |
1269 | case DT_SYMBOLIC: name = "SYMBOLIC"; break; |
1447 | case DT_SYMBOLIC: name = "SYMBOLIC"; break; |
1270 | case DT_REL: name = "REL"; break; |
1448 | case DT_REL: name = "REL"; break; |
1271 | case DT_RELSZ: name = "RELSZ"; break; |
1449 | case DT_RELSZ: name = "RELSZ"; break; |
1272 | case DT_RELENT: name = "RELENT"; break; |
1450 | case DT_RELENT: name = "RELENT"; break; |
1273 | case DT_PLTREL: name = "PLTREL"; break; |
1451 | case DT_PLTREL: name = "PLTREL"; break; |
1274 | case DT_DEBUG: name = "DEBUG"; break; |
1452 | case DT_DEBUG: name = "DEBUG"; break; |
1275 | case DT_TEXTREL: name = "TEXTREL"; break; |
1453 | case DT_TEXTREL: name = "TEXTREL"; break; |
1276 | case DT_JMPREL: name = "JMPREL"; break; |
1454 | case DT_JMPREL: name = "JMPREL"; break; |
1277 | case DT_BIND_NOW: name = "BIND_NOW"; break; |
1455 | case DT_BIND_NOW: name = "BIND_NOW"; break; |
1278 | case DT_INIT_ARRAY: name = "INIT_ARRAY"; break; |
1456 | case DT_INIT_ARRAY: name = "INIT_ARRAY"; break; |
1279 | case DT_FINI_ARRAY: name = "FINI_ARRAY"; break; |
1457 | case DT_FINI_ARRAY: name = "FINI_ARRAY"; break; |
1280 | case DT_INIT_ARRAYSZ: name = "INIT_ARRAYSZ"; break; |
1458 | case DT_INIT_ARRAYSZ: name = "INIT_ARRAYSZ"; break; |
1281 | case DT_FINI_ARRAYSZ: name = "FINI_ARRAYSZ"; break; |
1459 | case DT_FINI_ARRAYSZ: name = "FINI_ARRAYSZ"; break; |
1282 | case DT_RUNPATH: name = "RUNPATH"; stringp = TRUE; break; |
1460 | case DT_RUNPATH: name = "RUNPATH"; stringp = TRUE; break; |
1283 | case DT_FLAGS: name = "FLAGS"; break; |
1461 | case DT_FLAGS: name = "FLAGS"; break; |
1284 | case DT_PREINIT_ARRAY: name = "PREINIT_ARRAY"; break; |
1462 | case DT_PREINIT_ARRAY: name = "PREINIT_ARRAY"; break; |
1285 | case DT_PREINIT_ARRAYSZ: name = "PREINIT_ARRAYSZ"; break; |
1463 | case DT_PREINIT_ARRAYSZ: name = "PREINIT_ARRAYSZ"; break; |
1286 | case DT_CHECKSUM: name = "CHECKSUM"; break; |
1464 | case DT_CHECKSUM: name = "CHECKSUM"; break; |
1287 | case DT_PLTPADSZ: name = "PLTPADSZ"; break; |
1465 | case DT_PLTPADSZ: name = "PLTPADSZ"; break; |
1288 | case DT_MOVEENT: name = "MOVEENT"; break; |
1466 | case DT_MOVEENT: name = "MOVEENT"; break; |
1289 | case DT_MOVESZ: name = "MOVESZ"; break; |
1467 | case DT_MOVESZ: name = "MOVESZ"; break; |
1290 | case DT_FEATURE: name = "FEATURE"; break; |
1468 | case DT_FEATURE: name = "FEATURE"; break; |
1291 | case DT_POSFLAG_1: name = "POSFLAG_1"; break; |
1469 | case DT_POSFLAG_1: name = "POSFLAG_1"; break; |
1292 | case DT_SYMINSZ: name = "SYMINSZ"; break; |
1470 | case DT_SYMINSZ: name = "SYMINSZ"; break; |
1293 | case DT_SYMINENT: name = "SYMINENT"; break; |
1471 | case DT_SYMINENT: name = "SYMINENT"; break; |
1294 | case DT_CONFIG: name = "CONFIG"; stringp = TRUE; break; |
1472 | case DT_CONFIG: name = "CONFIG"; stringp = TRUE; break; |
1295 | case DT_DEPAUDIT: name = "DEPAUDIT"; stringp = TRUE; break; |
1473 | case DT_DEPAUDIT: name = "DEPAUDIT"; stringp = TRUE; break; |
1296 | case DT_AUDIT: name = "AUDIT"; stringp = TRUE; break; |
1474 | case DT_AUDIT: name = "AUDIT"; stringp = TRUE; break; |
1297 | case DT_PLTPAD: name = "PLTPAD"; break; |
1475 | case DT_PLTPAD: name = "PLTPAD"; break; |
1298 | case DT_MOVETAB: name = "MOVETAB"; break; |
1476 | case DT_MOVETAB: name = "MOVETAB"; break; |
1299 | case DT_SYMINFO: name = "SYMINFO"; break; |
1477 | case DT_SYMINFO: name = "SYMINFO"; break; |
1300 | case DT_RELACOUNT: name = "RELACOUNT"; break; |
1478 | case DT_RELACOUNT: name = "RELACOUNT"; break; |
1301 | case DT_RELCOUNT: name = "RELCOUNT"; break; |
1479 | case DT_RELCOUNT: name = "RELCOUNT"; break; |
1302 | case DT_FLAGS_1: name = "FLAGS_1"; break; |
1480 | case DT_FLAGS_1: name = "FLAGS_1"; break; |
1303 | case DT_VERSYM: name = "VERSYM"; break; |
1481 | case DT_VERSYM: name = "VERSYM"; break; |
1304 | case DT_VERDEF: name = "VERDEF"; break; |
1482 | case DT_VERDEF: name = "VERDEF"; break; |
1305 | case DT_VERDEFNUM: name = "VERDEFNUM"; break; |
1483 | case DT_VERDEFNUM: name = "VERDEFNUM"; break; |
1306 | case DT_VERNEED: name = "VERNEED"; break; |
1484 | case DT_VERNEED: name = "VERNEED"; break; |
1307 | case DT_VERNEEDNUM: name = "VERNEEDNUM"; break; |
1485 | case DT_VERNEEDNUM: name = "VERNEEDNUM"; break; |
1308 | case DT_AUXILIARY: name = "AUXILIARY"; stringp = TRUE; break; |
1486 | case DT_AUXILIARY: name = "AUXILIARY"; stringp = TRUE; break; |
1309 | case DT_USED: name = "USED"; break; |
1487 | case DT_USED: name = "USED"; break; |
1310 | case DT_FILTER: name = "FILTER"; stringp = TRUE; break; |
1488 | case DT_FILTER: name = "FILTER"; stringp = TRUE; break; |
1311 | case DT_GNU_HASH: name = "GNU_HASH"; break; |
1489 | case DT_GNU_HASH: name = "GNU_HASH"; break; |
1312 | } |
1490 | } |
1313 | 1491 | ||
1314 | fprintf (f, " %-20s ", name); |
1492 | fprintf (f, " %-20s ", name); |
1315 | if (! stringp) |
1493 | if (! stringp) |
1316 | { |
1494 | { |
1317 | fprintf (f, "0x"); |
1495 | fprintf (f, "0x"); |
1318 | bfd_fprintf_vma (abfd, f, dyn.d_un.d_val); |
1496 | bfd_fprintf_vma (abfd, f, dyn.d_un.d_val); |
1319 | } |
1497 | } |
1320 | else |
1498 | else |
1321 | { |
1499 | { |
1322 | const char *string; |
1500 | const char *string; |
1323 | unsigned int tagv = dyn.d_un.d_val; |
1501 | unsigned int tagv = dyn.d_un.d_val; |
1324 | 1502 | ||
1325 | string = bfd_elf_string_from_elf_section (abfd, shlink, tagv); |
1503 | string = bfd_elf_string_from_elf_section (abfd, shlink, tagv); |
1326 | if (string == NULL) |
1504 | if (string == NULL) |
1327 | goto error_return; |
1505 | goto error_return; |
1328 | fprintf (f, "%s", string); |
1506 | fprintf (f, "%s", string); |
1329 | } |
1507 | } |
1330 | fprintf (f, "\n"); |
1508 | fprintf (f, "\n"); |
1331 | } |
1509 | } |
1332 | 1510 | ||
1333 | free (dynbuf); |
1511 | free (dynbuf); |
1334 | dynbuf = NULL; |
1512 | dynbuf = NULL; |
1335 | } |
1513 | } |
1336 | 1514 | ||
1337 | if ((elf_dynverdef (abfd) != 0 && elf_tdata (abfd)->verdef == NULL) |
1515 | if ((elf_dynverdef (abfd) != 0 && elf_tdata (abfd)->verdef == NULL) |
1338 | || (elf_dynverref (abfd) != 0 && elf_tdata (abfd)->verref == NULL)) |
1516 | || (elf_dynverref (abfd) != 0 && elf_tdata (abfd)->verref == NULL)) |
1339 | { |
1517 | { |
1340 | if (! _bfd_elf_slurp_version_tables (abfd, FALSE)) |
1518 | if (! _bfd_elf_slurp_version_tables (abfd, FALSE)) |
1341 | return FALSE; |
1519 | return FALSE; |
1342 | } |
1520 | } |
1343 | 1521 | ||
1344 | if (elf_dynverdef (abfd) != 0) |
1522 | if (elf_dynverdef (abfd) != 0) |
1345 | { |
1523 | { |
1346 | Elf_Internal_Verdef *t; |
1524 | Elf_Internal_Verdef *t; |
1347 | 1525 | ||
1348 | fprintf (f, _("\nVersion definitions:\n")); |
1526 | fprintf (f, _("\nVersion definitions:\n")); |
1349 | for (t = elf_tdata (abfd)->verdef; t != NULL; t = t->vd_nextdef) |
1527 | for (t = elf_tdata (abfd)->verdef; t != NULL; t = t->vd_nextdef) |
1350 | { |
1528 | { |
1351 | fprintf (f, "%d 0x%2.2x 0x%8.8lx %s\n", t->vd_ndx, |
1529 | fprintf (f, "%d 0x%2.2x 0x%8.8lx %s\n", t->vd_ndx, |
1352 | t->vd_flags, t->vd_hash, |
1530 | t->vd_flags, t->vd_hash, |
1353 | t->vd_nodename ? t->vd_nodename : " |
1531 | t->vd_nodename ? t->vd_nodename : " |
1354 | if (t->vd_auxptr != NULL && t->vd_auxptr->vda_nextptr != NULL) |
1532 | if (t->vd_auxptr != NULL && t->vd_auxptr->vda_nextptr != NULL) |
1355 | { |
1533 | { |
1356 | Elf_Internal_Verdaux *a; |
1534 | Elf_Internal_Verdaux *a; |
1357 | 1535 | ||
1358 | fprintf (f, "\t"); |
1536 | fprintf (f, "\t"); |
1359 | for (a = t->vd_auxptr->vda_nextptr; |
1537 | for (a = t->vd_auxptr->vda_nextptr; |
1360 | a != NULL; |
1538 | a != NULL; |
1361 | a = a->vda_nextptr) |
1539 | a = a->vda_nextptr) |
1362 | fprintf (f, "%s ", |
1540 | fprintf (f, "%s ", |
1363 | a->vda_nodename ? a->vda_nodename : " |
1541 | a->vda_nodename ? a->vda_nodename : " |
1364 | fprintf (f, "\n"); |
1542 | fprintf (f, "\n"); |
1365 | } |
1543 | } |
1366 | } |
1544 | } |
1367 | } |
1545 | } |
1368 | 1546 | ||
1369 | if (elf_dynverref (abfd) != 0) |
1547 | if (elf_dynverref (abfd) != 0) |
1370 | { |
1548 | { |
1371 | Elf_Internal_Verneed *t; |
1549 | Elf_Internal_Verneed *t; |
1372 | 1550 | ||
1373 | fprintf (f, _("\nVersion References:\n")); |
1551 | fprintf (f, _("\nVersion References:\n")); |
1374 | for (t = elf_tdata (abfd)->verref; t != NULL; t = t->vn_nextref) |
1552 | for (t = elf_tdata (abfd)->verref; t != NULL; t = t->vn_nextref) |
1375 | { |
1553 | { |
1376 | Elf_Internal_Vernaux *a; |
1554 | Elf_Internal_Vernaux *a; |
1377 | 1555 | ||
1378 | fprintf (f, _(" required from %s:\n"), |
1556 | fprintf (f, _(" required from %s:\n"), |
1379 | t->vn_filename ? t->vn_filename : " |
1557 | t->vn_filename ? t->vn_filename : " |
1380 | for (a = t->vn_auxptr; a != NULL; a = a->vna_nextptr) |
1558 | for (a = t->vn_auxptr; a != NULL; a = a->vna_nextptr) |
1381 | fprintf (f, " 0x%8.8lx 0x%2.2x %2.2d %s\n", a->vna_hash, |
1559 | fprintf (f, " 0x%8.8lx 0x%2.2x %2.2d %s\n", a->vna_hash, |
1382 | a->vna_flags, a->vna_other, |
1560 | a->vna_flags, a->vna_other, |
1383 | a->vna_nodename ? a->vna_nodename : " |
1561 | a->vna_nodename ? a->vna_nodename : " |
1384 | } |
1562 | } |
1385 | } |
1563 | } |
1386 | 1564 | ||
1387 | return TRUE; |
1565 | return TRUE; |
1388 | 1566 | ||
1389 | error_return: |
1567 | error_return: |
1390 | if (dynbuf != NULL) |
1568 | if (dynbuf != NULL) |
1391 | free (dynbuf); |
1569 | free (dynbuf); |
1392 | return FALSE; |
1570 | return FALSE; |
1393 | } |
1571 | } |
- | 1572 | ||
- | 1573 | /* Get version string. */ |
|
- | 1574 | ||
- | 1575 | const char * |
|
- | 1576 | _bfd_elf_get_symbol_version_string (bfd *abfd, asymbol *symbol, |
|
- | 1577 | bfd_boolean *hidden) |
|
- | 1578 | { |
|
- | 1579 | const char *version_string = NULL; |
|
- | 1580 | if (elf_dynversym (abfd) != 0 |
|
- | 1581 | && (elf_dynverdef (abfd) != 0 || elf_dynverref (abfd) != 0)) |
|
- | 1582 | { |
|
- | 1583 | unsigned int vernum = ((elf_symbol_type *) symbol)->version; |
|
- | 1584 | ||
- | 1585 | *hidden = (vernum & VERSYM_HIDDEN) != 0; |
|
- | 1586 | vernum &= VERSYM_VERSION; |
|
- | 1587 | ||
- | 1588 | if (vernum == 0) |
|
- | 1589 | version_string = ""; |
|
- | 1590 | else if (vernum == 1) |
|
- | 1591 | version_string = "Base"; |
|
- | 1592 | else if (vernum <= elf_tdata (abfd)->cverdefs) |
|
- | 1593 | version_string = |
|
- | 1594 | elf_tdata (abfd)->verdef[vernum - 1].vd_nodename; |
|
- | 1595 | else |
|
- | 1596 | { |
|
- | 1597 | Elf_Internal_Verneed *t; |
|
- | 1598 | ||
- | 1599 | version_string = ""; |
|
- | 1600 | for (t = elf_tdata (abfd)->verref; |
|
- | 1601 | t != NULL; |
|
- | 1602 | t = t->vn_nextref) |
|
- | 1603 | { |
|
- | 1604 | Elf_Internal_Vernaux *a; |
|
- | 1605 | ||
- | 1606 | for (a = t->vn_auxptr; a != NULL; a = a->vna_nextptr) |
|
- | 1607 | { |
|
- | 1608 | if (a->vna_other == vernum) |
|
- | 1609 | { |
|
- | 1610 | version_string = a->vna_nodename; |
|
- | 1611 | break; |
|
- | 1612 | } |
|
- | 1613 | } |
|
- | 1614 | } |
|
- | 1615 | } |
|
- | 1616 | } |
|
- | 1617 | return version_string; |
|
- | 1618 | } |
|
1394 | 1619 | ||
1395 | /* Display ELF-specific fields of a symbol. */ |
1620 | /* Display ELF-specific fields of a symbol. */ |
1396 | 1621 | ||
1397 | void |
1622 | void |
1398 | bfd_elf_print_symbol (bfd *abfd, |
1623 | bfd_elf_print_symbol (bfd *abfd, |
1399 | void *filep, |
1624 | void *filep, |
1400 | asymbol *symbol, |
1625 | asymbol *symbol, |
1401 | bfd_print_symbol_type how) |
1626 | bfd_print_symbol_type how) |
1402 | { |
1627 | { |
1403 | FILE *file = (FILE *) filep; |
1628 | FILE *file = (FILE *) filep; |
1404 | switch (how) |
1629 | switch (how) |
1405 | { |
1630 | { |
1406 | case bfd_print_symbol_name: |
1631 | case bfd_print_symbol_name: |
1407 | fprintf (file, "%s", symbol->name); |
1632 | fprintf (file, "%s", symbol->name); |
1408 | break; |
1633 | break; |
1409 | case bfd_print_symbol_more: |
1634 | case bfd_print_symbol_more: |
1410 | fprintf (file, "elf "); |
1635 | fprintf (file, "elf "); |
1411 | bfd_fprintf_vma (abfd, file, symbol->value); |
1636 | bfd_fprintf_vma (abfd, file, symbol->value); |
1412 | fprintf (file, " %lx", (unsigned long) symbol->flags); |
1637 | fprintf (file, " %lx", (unsigned long) symbol->flags); |
1413 | break; |
1638 | break; |
1414 | case bfd_print_symbol_all: |
1639 | case bfd_print_symbol_all: |
1415 | { |
1640 | { |
1416 | const char *section_name; |
1641 | const char *section_name; |
1417 | const char *name = NULL; |
1642 | const char *name = NULL; |
1418 | const struct elf_backend_data *bed; |
1643 | const struct elf_backend_data *bed; |
1419 | unsigned char st_other; |
1644 | unsigned char st_other; |
1420 | bfd_vma val; |
1645 | bfd_vma val; |
- | 1646 | const char *version_string; |
|
- | 1647 | bfd_boolean hidden; |
|
1421 | 1648 | ||
1422 | section_name = symbol->section ? symbol->section->name : "(*none*)"; |
1649 | section_name = symbol->section ? symbol->section->name : "(*none*)"; |
1423 | 1650 | ||
1424 | bed = get_elf_backend_data (abfd); |
1651 | bed = get_elf_backend_data (abfd); |
1425 | if (bed->elf_backend_print_symbol_all) |
1652 | if (bed->elf_backend_print_symbol_all) |
1426 | name = (*bed->elf_backend_print_symbol_all) (abfd, filep, symbol); |
1653 | name = (*bed->elf_backend_print_symbol_all) (abfd, filep, symbol); |
1427 | 1654 | ||
1428 | if (name == NULL) |
1655 | if (name == NULL) |
1429 | { |
1656 | { |
1430 | name = symbol->name; |
1657 | name = symbol->name; |
1431 | bfd_print_symbol_vandf (abfd, file, symbol); |
1658 | bfd_print_symbol_vandf (abfd, file, symbol); |
1432 | } |
1659 | } |
1433 | 1660 | ||
1434 | fprintf (file, " %s\t", section_name); |
1661 | fprintf (file, " %s\t", section_name); |
1435 | /* Print the "other" value for a symbol. For common symbols, |
1662 | /* Print the "other" value for a symbol. For common symbols, |
1436 | we've already printed the size; now print the alignment. |
1663 | we've already printed the size; now print the alignment. |
1437 | For other symbols, we have no specified alignment, and |
1664 | For other symbols, we have no specified alignment, and |
1438 | we've printed the address; now print the size. */ |
1665 | we've printed the address; now print the size. */ |
1439 | if (symbol->section && bfd_is_com_section (symbol->section)) |
1666 | if (symbol->section && bfd_is_com_section (symbol->section)) |
1440 | val = ((elf_symbol_type *) symbol)->internal_elf_sym.st_value; |
1667 | val = ((elf_symbol_type *) symbol)->internal_elf_sym.st_value; |
1441 | else |
1668 | else |
1442 | val = ((elf_symbol_type *) symbol)->internal_elf_sym.st_size; |
1669 | val = ((elf_symbol_type *) symbol)->internal_elf_sym.st_size; |
1443 | bfd_fprintf_vma (abfd, file, val); |
1670 | bfd_fprintf_vma (abfd, file, val); |
1444 | 1671 | ||
1445 | /* If we have version information, print it. */ |
1672 | /* If we have version information, print it. */ |
- | 1673 | version_string = _bfd_elf_get_symbol_version_string (abfd, |
|
1446 | if (elf_dynversym (abfd) != 0 |
1674 | symbol, |
1447 | && (elf_dynverdef (abfd) != 0 |
1675 | &hidden); |
1448 | || elf_dynverref (abfd) != 0)) |
1676 | if (version_string) |
1449 | { |
1677 | { |
1450 | unsigned int vernum; |
- | |
1451 | const char *version_string; |
- | |
1452 | - | ||
1453 | vernum = ((elf_symbol_type *) symbol)->version & VERSYM_VERSION; |
- | |
1454 | - | ||
1455 | if (vernum == 0) |
1678 | if (!hidden) |
1456 | version_string = ""; |
- | |
1457 | else if (vernum == 1) |
- | |
1458 | version_string = "Base"; |
- | |
1459 | else if (vernum <= elf_tdata (abfd)->cverdefs) |
- | |
1460 | version_string = |
- | |
1461 | elf_tdata (abfd)->verdef[vernum - 1].vd_nodename; |
- | |
1462 | else |
- | |
1463 | { |
- | |
1464 | Elf_Internal_Verneed *t; |
- | |
1465 | - | ||
1466 | version_string = ""; |
- | |
1467 | for (t = elf_tdata (abfd)->verref; |
- | |
1468 | t != NULL; |
- | |
1469 | t = t->vn_nextref) |
- | |
1470 | { |
- | |
1471 | Elf_Internal_Vernaux *a; |
- | |
1472 | - | ||
1473 | for (a = t->vn_auxptr; a != NULL; a = a->vna_nextptr) |
- | |
1474 | { |
- | |
1475 | if (a->vna_other == vernum) |
- | |
1476 | { |
- | |
1477 | version_string = a->vna_nodename; |
- | |
1478 | break; |
- | |
1479 | } |
- | |
1480 | } |
- | |
1481 | } |
- | |
1482 | } |
- | |
1483 | - | ||
1484 | if ((((elf_symbol_type *) symbol)->version & VERSYM_HIDDEN) == 0) |
- | |
1485 | fprintf (file, " %-11s", version_string); |
1679 | fprintf (file, " %-11s", version_string); |
1486 | else |
1680 | else |
1487 | { |
1681 | { |
1488 | int i; |
1682 | int i; |
1489 | 1683 | ||
1490 | fprintf (file, " (%s)", version_string); |
1684 | fprintf (file, " (%s)", version_string); |
1491 | for (i = 10 - strlen (version_string); i > 0; --i) |
1685 | for (i = 10 - strlen (version_string); i > 0; --i) |
1492 | putc (' ', file); |
1686 | putc (' ', file); |
1493 | } |
1687 | } |
1494 | } |
1688 | } |
1495 | 1689 | ||
1496 | /* If the st_other field is not zero, print it. */ |
1690 | /* If the st_other field is not zero, print it. */ |
1497 | st_other = ((elf_symbol_type *) symbol)->internal_elf_sym.st_other; |
1691 | st_other = ((elf_symbol_type *) symbol)->internal_elf_sym.st_other; |
1498 | 1692 | ||
1499 | switch (st_other) |
1693 | switch (st_other) |
1500 | { |
1694 | { |
1501 | case 0: break; |
1695 | case 0: break; |
1502 | case STV_INTERNAL: fprintf (file, " .internal"); break; |
1696 | case STV_INTERNAL: fprintf (file, " .internal"); break; |
1503 | case STV_HIDDEN: fprintf (file, " .hidden"); break; |
1697 | case STV_HIDDEN: fprintf (file, " .hidden"); break; |
1504 | case STV_PROTECTED: fprintf (file, " .protected"); break; |
1698 | case STV_PROTECTED: fprintf (file, " .protected"); break; |
1505 | default: |
1699 | default: |
1506 | /* Some other non-defined flags are also present, so print |
1700 | /* Some other non-defined flags are also present, so print |
1507 | everything hex. */ |
1701 | everything hex. */ |
1508 | fprintf (file, " 0x%02x", (unsigned int) st_other); |
1702 | fprintf (file, " 0x%02x", (unsigned int) st_other); |
1509 | } |
1703 | } |
1510 | 1704 | ||
1511 | fprintf (file, " %s", name); |
1705 | fprintf (file, " %s", name); |
1512 | } |
1706 | } |
1513 | break; |
1707 | break; |
1514 | } |
1708 | } |
1515 | } |
1709 | } |
1516 | - | ||
1517 | /* Allocate an ELF string table--force the first byte to be zero. */ |
- | |
1518 | - | ||
1519 | struct bfd_strtab_hash * |
- | |
1520 | _bfd_elf_stringtab_init (void) |
- | |
1521 | { |
- | |
1522 | struct bfd_strtab_hash *ret; |
- | |
1523 | - | ||
1524 | ret = _bfd_stringtab_init (); |
- | |
1525 | if (ret != NULL) |
- | |
1526 | { |
- | |
1527 | bfd_size_type loc; |
- | |
1528 | - | ||
1529 | loc = _bfd_stringtab_add (ret, "", TRUE, FALSE); |
- | |
1530 | BFD_ASSERT (loc == 0 || loc == (bfd_size_type) -1); |
- | |
1531 | if (loc == (bfd_size_type) -1) |
- | |
1532 | { |
- | |
1533 | _bfd_stringtab_free (ret); |
- | |
1534 | ret = NULL; |
- | |
1535 | } |
- | |
1536 | } |
- | |
1537 | return ret; |
- | |
1538 | } |
- | |
1539 | 1710 | ||
1540 | /* ELF .o/exec file reading */ |
1711 | /* ELF .o/exec file reading */ |
1541 | 1712 | ||
1542 | /* Create a new bfd section from an ELF section header. */ |
1713 | /* Create a new bfd section from an ELF section header. */ |
1543 | 1714 | ||
1544 | bfd_boolean |
1715 | bfd_boolean |
1545 | bfd_section_from_shdr (bfd *abfd, unsigned int shindex) |
1716 | bfd_section_from_shdr (bfd *abfd, unsigned int shindex) |
1546 | { |
1717 | { |
1547 | Elf_Internal_Shdr *hdr; |
1718 | Elf_Internal_Shdr *hdr; |
1548 | Elf_Internal_Ehdr *ehdr; |
1719 | Elf_Internal_Ehdr *ehdr; |
1549 | const struct elf_backend_data *bed; |
1720 | const struct elf_backend_data *bed; |
1550 | const char *name; |
1721 | const char *name; |
- | 1722 | bfd_boolean ret = TRUE; |
|
- | 1723 | static bfd_boolean * sections_being_created = NULL; |
|
- | 1724 | static bfd * sections_being_created_abfd = NULL; |
|
- | 1725 | static unsigned int nesting = 0; |
|
1551 | 1726 | ||
1552 | if (shindex >= elf_numsections (abfd)) |
1727 | if (shindex >= elf_numsections (abfd)) |
1553 | return FALSE; |
1728 | return FALSE; |
- | 1729 | ||
- | 1730 | if (++ nesting > 3) |
|
- | 1731 | { |
|
- | 1732 | /* PR17512: A corrupt ELF binary might contain a recursive group of |
|
- | 1733 | sections, with each the string indicies pointing to the next in the |
|
- | 1734 | loop. Detect this here, by refusing to load a section that we are |
|
- | 1735 | already in the process of loading. We only trigger this test if |
|
- | 1736 | we have nested at least three sections deep as normal ELF binaries |
|
- | 1737 | can expect to recurse at least once. |
|
- | 1738 | ||
- | 1739 | FIXME: It would be better if this array was attached to the bfd, |
|
- | 1740 | rather than being held in a static pointer. */ |
|
- | 1741 | ||
- | 1742 | if (sections_being_created_abfd != abfd) |
|
- | 1743 | sections_being_created = NULL; |
|
- | 1744 | if (sections_being_created == NULL) |
|
- | 1745 | { |
|
- | 1746 | /* FIXME: It would be more efficient to attach this array to the bfd somehow. */ |
|
- | 1747 | sections_being_created = (bfd_boolean *) |
|
- | 1748 | bfd_zalloc (abfd, elf_numsections (abfd) * sizeof (bfd_boolean)); |
|
- | 1749 | sections_being_created_abfd = abfd; |
|
- | 1750 | } |
|
- | 1751 | if (sections_being_created [shindex]) |
|
- | 1752 | { |
|
- | 1753 | (*_bfd_error_handler) |
|
- | 1754 | (_("%B: warning: loop in section dependencies detected"), abfd); |
|
- | 1755 | return FALSE; |
|
- | 1756 | } |
|
- | 1757 | sections_being_created [shindex] = TRUE; |
|
- | 1758 | } |
|
1554 | 1759 | ||
1555 | hdr = elf_elfsections (abfd)[shindex]; |
1760 | hdr = elf_elfsections (abfd)[shindex]; |
1556 | ehdr = elf_elfheader (abfd); |
1761 | ehdr = elf_elfheader (abfd); |
1557 | name = bfd_elf_string_from_elf_section (abfd, ehdr->e_shstrndx, |
1762 | name = bfd_elf_string_from_elf_section (abfd, ehdr->e_shstrndx, |
1558 | hdr->sh_name); |
1763 | hdr->sh_name); |
1559 | if (name == NULL) |
1764 | if (name == NULL) |
1560 | return FALSE; |
1765 | goto fail; |
1561 | 1766 | ||
1562 | bed = get_elf_backend_data (abfd); |
1767 | bed = get_elf_backend_data (abfd); |
1563 | switch (hdr->sh_type) |
1768 | switch (hdr->sh_type) |
1564 | { |
1769 | { |
1565 | case SHT_NULL: |
1770 | case SHT_NULL: |
1566 | /* Inactive section. Throw it away. */ |
1771 | /* Inactive section. Throw it away. */ |
1567 | return TRUE; |
1772 | goto success; |
1568 | 1773 | ||
1569 | case SHT_PROGBITS: /* Normal section with contents. */ |
1774 | case SHT_PROGBITS: /* Normal section with contents. */ |
1570 | case SHT_NOBITS: /* .bss section. */ |
1775 | case SHT_NOBITS: /* .bss section. */ |
1571 | case SHT_HASH: /* .hash section. */ |
1776 | case SHT_HASH: /* .hash section. */ |
1572 | case SHT_NOTE: /* .note section. */ |
1777 | case SHT_NOTE: /* .note section. */ |
1573 | case SHT_INIT_ARRAY: /* .init_array section. */ |
1778 | case SHT_INIT_ARRAY: /* .init_array section. */ |
1574 | case SHT_FINI_ARRAY: /* .fini_array section. */ |
1779 | case SHT_FINI_ARRAY: /* .fini_array section. */ |
1575 | case SHT_PREINIT_ARRAY: /* .preinit_array section. */ |
1780 | case SHT_PREINIT_ARRAY: /* .preinit_array section. */ |
1576 | case SHT_GNU_LIBLIST: /* .gnu.liblist section. */ |
1781 | case SHT_GNU_LIBLIST: /* .gnu.liblist section. */ |
1577 | case SHT_GNU_HASH: /* .gnu.hash section. */ |
1782 | case SHT_GNU_HASH: /* .gnu.hash section. */ |
1578 | return _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex); |
1783 | ret = _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex); |
- | 1784 | goto success; |
|
1579 | 1785 | ||
1580 | case SHT_DYNAMIC: /* Dynamic linking information. */ |
1786 | case SHT_DYNAMIC: /* Dynamic linking information. */ |
1581 | if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex)) |
1787 | if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex)) |
1582 | return FALSE; |
1788 | goto fail; |
- | 1789 | ||
1583 | if (hdr->sh_link > elf_numsections (abfd)) |
1790 | if (hdr->sh_link > elf_numsections (abfd)) |
1584 | { |
1791 | { |
1585 | /* PR 10478: Accept Solaris binaries with a sh_link |
1792 | /* PR 10478: Accept Solaris binaries with a sh_link |
1586 | field set to SHN_BEFORE or SHN_AFTER. */ |
1793 | field set to SHN_BEFORE or SHN_AFTER. */ |
1587 | switch (bfd_get_arch (abfd)) |
1794 | switch (bfd_get_arch (abfd)) |
1588 | { |
1795 | { |
1589 | case bfd_arch_i386: |
1796 | case bfd_arch_i386: |
1590 | case bfd_arch_sparc: |
1797 | case bfd_arch_sparc: |
1591 | if (hdr->sh_link == (SHN_LORESERVE & 0xffff) /* SHN_BEFORE */ |
1798 | if (hdr->sh_link == (SHN_LORESERVE & 0xffff) /* SHN_BEFORE */ |
1592 | || hdr->sh_link == ((SHN_LORESERVE + 1) & 0xffff) /* SHN_AFTER */) |
1799 | || hdr->sh_link == ((SHN_LORESERVE + 1) & 0xffff) /* SHN_AFTER */) |
1593 | break; |
1800 | break; |
1594 | /* Otherwise fall through. */ |
1801 | /* Otherwise fall through. */ |
1595 | default: |
1802 | default: |
1596 | return FALSE; |
1803 | goto fail; |
1597 | } |
1804 | } |
1598 | } |
1805 | } |
1599 | else if (elf_elfsections (abfd)[hdr->sh_link] == NULL) |
1806 | else if (elf_elfsections (abfd)[hdr->sh_link] == NULL) |
1600 | return FALSE; |
1807 | goto fail; |
1601 | else if (elf_elfsections (abfd)[hdr->sh_link]->sh_type != SHT_STRTAB) |
1808 | else if (elf_elfsections (abfd)[hdr->sh_link]->sh_type != SHT_STRTAB) |
1602 | { |
1809 | { |
1603 | Elf_Internal_Shdr *dynsymhdr; |
1810 | Elf_Internal_Shdr *dynsymhdr; |
1604 | 1811 | ||
1605 | /* The shared libraries distributed with hpux11 have a bogus |
1812 | /* The shared libraries distributed with hpux11 have a bogus |
1606 | sh_link field for the ".dynamic" section. Find the |
1813 | sh_link field for the ".dynamic" section. Find the |
1607 | string table for the ".dynsym" section instead. */ |
1814 | string table for the ".dynsym" section instead. */ |
1608 | if (elf_dynsymtab (abfd) != 0) |
1815 | if (elf_dynsymtab (abfd) != 0) |
1609 | { |
1816 | { |
1610 | dynsymhdr = elf_elfsections (abfd)[elf_dynsymtab (abfd)]; |
1817 | dynsymhdr = elf_elfsections (abfd)[elf_dynsymtab (abfd)]; |
1611 | hdr->sh_link = dynsymhdr->sh_link; |
1818 | hdr->sh_link = dynsymhdr->sh_link; |
1612 | } |
1819 | } |
1613 | else |
1820 | else |
1614 | { |
1821 | { |
1615 | unsigned int i, num_sec; |
1822 | unsigned int i, num_sec; |
1616 | 1823 | ||
1617 | num_sec = elf_numsections (abfd); |
1824 | num_sec = elf_numsections (abfd); |
1618 | for (i = 1; i < num_sec; i++) |
1825 | for (i = 1; i < num_sec; i++) |
1619 | { |
1826 | { |
1620 | dynsymhdr = elf_elfsections (abfd)[i]; |
1827 | dynsymhdr = elf_elfsections (abfd)[i]; |
1621 | if (dynsymhdr->sh_type == SHT_DYNSYM) |
1828 | if (dynsymhdr->sh_type == SHT_DYNSYM) |
1622 | { |
1829 | { |
1623 | hdr->sh_link = dynsymhdr->sh_link; |
1830 | hdr->sh_link = dynsymhdr->sh_link; |
1624 | break; |
1831 | break; |
1625 | } |
1832 | } |
1626 | } |
1833 | } |
1627 | } |
1834 | } |
1628 | } |
1835 | } |
1629 | break; |
1836 | goto success; |
1630 | 1837 | ||
1631 | case SHT_SYMTAB: /* A symbol table */ |
1838 | case SHT_SYMTAB: /* A symbol table. */ |
1632 | if (elf_onesymtab (abfd) == shindex) |
1839 | if (elf_onesymtab (abfd) == shindex) |
1633 | return TRUE; |
1840 | goto success; |
1634 | 1841 | ||
- | 1842 | if (hdr->sh_entsize != bed->s->sizeof_sym) |
|
1635 | if (hdr->sh_entsize != bed->s->sizeof_sym) |
1843 | goto fail; |
1636 | return FALSE; |
1844 | |
1637 | if (hdr->sh_info * hdr->sh_entsize > hdr->sh_size) |
1845 | if (hdr->sh_info * hdr->sh_entsize > hdr->sh_size) |
1638 | { |
1846 | { |
1639 | if (hdr->sh_size != 0) |
1847 | if (hdr->sh_size != 0) |
1640 | return FALSE; |
1848 | goto fail; |
1641 | /* Some assemblers erroneously set sh_info to one with a |
1849 | /* Some assemblers erroneously set sh_info to one with a |
1642 | zero sh_size. ld sees this as a global symbol count |
1850 | zero sh_size. ld sees this as a global symbol count |
1643 | of (unsigned) -1. Fix it here. */ |
1851 | of (unsigned) -1. Fix it here. */ |
1644 | hdr->sh_info = 0; |
1852 | hdr->sh_info = 0; |
1645 | return TRUE; |
1853 | goto success; |
- | 1854 | } |
|
- | 1855 | ||
- | 1856 | /* PR 18854: A binary might contain more than one symbol table. |
|
- | 1857 | Unusual, but possible. Warn, but continue. */ |
|
- | 1858 | if (elf_onesymtab (abfd) != 0) |
|
- | 1859 | { |
|
- | 1860 | (*_bfd_error_handler) |
|
- | 1861 | (_("%B: warning: multiple symbol tables detected - ignoring the table in section %u"), |
|
- | 1862 | abfd, shindex); |
|
- | 1863 | goto success; |
|
1646 | } |
1864 | } |
1647 | BFD_ASSERT (elf_onesymtab (abfd) == 0); |
- | |
1648 | elf_onesymtab (abfd) = shindex; |
1865 | elf_onesymtab (abfd) = shindex; |
1649 | elf_tdata (abfd)->symtab_hdr = *hdr; |
1866 | elf_symtab_hdr (abfd) = *hdr; |
1650 | elf_elfsections (abfd)[shindex] = hdr = &elf_tdata (abfd)->symtab_hdr; |
1867 | elf_elfsections (abfd)[shindex] = hdr = & elf_symtab_hdr (abfd); |
1651 | abfd->flags |= HAS_SYMS; |
1868 | abfd->flags |= HAS_SYMS; |
1652 | 1869 | ||
1653 | /* Sometimes a shared object will map in the symbol table. If |
1870 | /* Sometimes a shared object will map in the symbol table. If |
1654 | SHF_ALLOC is set, and this is a shared object, then we also |
1871 | SHF_ALLOC is set, and this is a shared object, then we also |
1655 | treat this section as a BFD section. We can not base the |
1872 | treat this section as a BFD section. We can not base the |
1656 | decision purely on SHF_ALLOC, because that flag is sometimes |
1873 | decision purely on SHF_ALLOC, because that flag is sometimes |
1657 | set in a relocatable object file, which would confuse the |
1874 | set in a relocatable object file, which would confuse the |
1658 | linker. */ |
1875 | linker. */ |
1659 | if ((hdr->sh_flags & SHF_ALLOC) != 0 |
1876 | if ((hdr->sh_flags & SHF_ALLOC) != 0 |
1660 | && (abfd->flags & DYNAMIC) != 0 |
1877 | && (abfd->flags & DYNAMIC) != 0 |
1661 | && ! _bfd_elf_make_section_from_shdr (abfd, hdr, name, |
1878 | && ! _bfd_elf_make_section_from_shdr (abfd, hdr, name, |
1662 | shindex)) |
1879 | shindex)) |
1663 | return FALSE; |
1880 | goto fail; |
1664 | 1881 | ||
1665 | /* Go looking for SHT_SYMTAB_SHNDX too, since if there is one we |
1882 | /* Go looking for SHT_SYMTAB_SHNDX too, since if there is one we |
1666 | can't read symbols without that section loaded as well. It |
1883 | can't read symbols without that section loaded as well. It |
1667 | is most likely specified by the next section header. */ |
1884 | is most likely specified by the next section header. */ |
1668 | if (elf_elfsections (abfd)[elf_symtab_shndx (abfd)]->sh_link != shindex) |
- | |
1669 | { |
1885 | { |
- | 1886 | elf_section_list * entry; |
|
1670 | unsigned int i, num_sec; |
1887 | unsigned int i, num_sec; |
- | 1888 | ||
- | 1889 | for (entry = elf_symtab_shndx_list (abfd); entry != NULL; entry = entry->next) |
|
- | 1890 | if (entry->hdr.sh_link == shindex) |
|
- | 1891 | goto success; |
|
1671 | 1892 | ||
1672 | num_sec = elf_numsections (abfd); |
1893 | num_sec = elf_numsections (abfd); |
1673 | for (i = shindex + 1; i < num_sec; i++) |
1894 | for (i = shindex + 1; i < num_sec; i++) |
1674 | { |
1895 | { |
1675 | Elf_Internal_Shdr *hdr2 = elf_elfsections (abfd)[i]; |
1896 | Elf_Internal_Shdr *hdr2 = elf_elfsections (abfd)[i]; |
- | 1897 | ||
1676 | if (hdr2->sh_type == SHT_SYMTAB_SHNDX |
1898 | if (hdr2->sh_type == SHT_SYMTAB_SHNDX |
1677 | && hdr2->sh_link == shindex) |
1899 | && hdr2->sh_link == shindex) |
1678 | break; |
1900 | break; |
1679 | } |
1901 | } |
- | 1902 | ||
1680 | if (i == num_sec) |
1903 | if (i == num_sec) |
1681 | for (i = 1; i < shindex; i++) |
1904 | for (i = 1; i < shindex; i++) |
1682 | { |
1905 | { |
1683 | Elf_Internal_Shdr *hdr2 = elf_elfsections (abfd)[i]; |
1906 | Elf_Internal_Shdr *hdr2 = elf_elfsections (abfd)[i]; |
- | 1907 | ||
1684 | if (hdr2->sh_type == SHT_SYMTAB_SHNDX |
1908 | if (hdr2->sh_type == SHT_SYMTAB_SHNDX |
1685 | && hdr2->sh_link == shindex) |
1909 | && hdr2->sh_link == shindex) |
1686 | break; |
1910 | break; |
1687 | } |
1911 | } |
- | 1912 | ||
1688 | if (i != shindex) |
1913 | if (i != shindex) |
1689 | return bfd_section_from_shdr (abfd, i); |
1914 | ret = bfd_section_from_shdr (abfd, i); |
- | 1915 | /* else FIXME: we have failed to find the symbol table - should we issue an error ? */ |
|
- | 1916 | goto success; |
|
1690 | } |
1917 | } |
1691 | return TRUE; |
- | |
1692 | 1918 | ||
1693 | case SHT_DYNSYM: /* A dynamic symbol table */ |
1919 | case SHT_DYNSYM: /* A dynamic symbol table. */ |
1694 | if (elf_dynsymtab (abfd) == shindex) |
1920 | if (elf_dynsymtab (abfd) == shindex) |
1695 | return TRUE; |
1921 | goto success; |
1696 | 1922 | ||
- | 1923 | if (hdr->sh_entsize != bed->s->sizeof_sym) |
|
1697 | if (hdr->sh_entsize != bed->s->sizeof_sym) |
1924 | goto fail; |
1698 | return FALSE; |
1925 | |
1699 | if (hdr->sh_info * hdr->sh_entsize > hdr->sh_size) |
1926 | if (hdr->sh_info * hdr->sh_entsize > hdr->sh_size) |
1700 | { |
1927 | { |
1701 | if (hdr->sh_size != 0) |
1928 | if (hdr->sh_size != 0) |
1702 | return FALSE; |
1929 | goto fail; |
- | 1930 | ||
1703 | /* Some linkers erroneously set sh_info to one with a |
1931 | /* Some linkers erroneously set sh_info to one with a |
1704 | zero sh_size. ld sees this as a global symbol count |
1932 | zero sh_size. ld sees this as a global symbol count |
1705 | of (unsigned) -1. Fix it here. */ |
1933 | of (unsigned) -1. Fix it here. */ |
1706 | hdr->sh_info = 0; |
1934 | hdr->sh_info = 0; |
1707 | return TRUE; |
1935 | goto success; |
- | 1936 | } |
|
- | 1937 | ||
- | 1938 | /* PR 18854: A binary might contain more than one dynamic symbol table. |
|
- | 1939 | Unusual, but possible. Warn, but continue. */ |
|
- | 1940 | if (elf_dynsymtab (abfd) != 0) |
|
- | 1941 | { |
|
- | 1942 | (*_bfd_error_handler) |
|
- | 1943 | (_("%B: warning: multiple dynamic symbol tables detected - ignoring the table in section %u"), |
|
- | 1944 | abfd, shindex); |
|
- | 1945 | goto success; |
|
1708 | } |
1946 | } |
1709 | BFD_ASSERT (elf_dynsymtab (abfd) == 0); |
- | |
1710 | elf_dynsymtab (abfd) = shindex; |
1947 | elf_dynsymtab (abfd) = shindex; |
1711 | elf_tdata (abfd)->dynsymtab_hdr = *hdr; |
1948 | elf_tdata (abfd)->dynsymtab_hdr = *hdr; |
1712 | elf_elfsections (abfd)[shindex] = hdr = &elf_tdata (abfd)->dynsymtab_hdr; |
1949 | elf_elfsections (abfd)[shindex] = hdr = &elf_tdata (abfd)->dynsymtab_hdr; |
1713 | abfd->flags |= HAS_SYMS; |
1950 | abfd->flags |= HAS_SYMS; |
1714 | 1951 | ||
1715 | /* Besides being a symbol table, we also treat this as a regular |
1952 | /* Besides being a symbol table, we also treat this as a regular |
1716 | section, so that objcopy can handle it. */ |
1953 | section, so that objcopy can handle it. */ |
1717 | return _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex); |
1954 | ret = _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex); |
- | 1955 | goto success; |
|
1718 | 1956 | ||
1719 | case SHT_SYMTAB_SHNDX: /* Symbol section indices when >64k sections */ |
1957 | case SHT_SYMTAB_SHNDX: /* Symbol section indices when >64k sections. */ |
1720 | if (elf_symtab_shndx (abfd) == shindex) |
1958 | { |
1721 | return TRUE; |
1959 | elf_section_list * entry; |
1722 | 1960 | ||
- | 1961 | for (entry = elf_symtab_shndx_list (abfd); entry != NULL; entry = entry->next) |
|
- | 1962 | if (entry->ndx == shindex) |
|
- | 1963 | goto success; |
|
- | 1964 | ||
- | 1965 | entry = bfd_alloc (abfd, sizeof * entry); |
|
- | 1966 | if (entry == NULL) |
|
- | 1967 | goto fail; |
|
1723 | BFD_ASSERT (elf_symtab_shndx (abfd) == 0); |
1968 | entry->ndx = shindex; |
- | 1969 | entry->hdr = * hdr; |
|
1724 | elf_symtab_shndx (abfd) = shindex; |
1970 | entry->next = elf_symtab_shndx_list (abfd); |
- | 1971 | elf_symtab_shndx_list (abfd) = entry; |
|
1725 | elf_tdata (abfd)->symtab_shndx_hdr = *hdr; |
1972 | elf_elfsections (abfd)[shindex] = & entry->hdr; |
1726 | elf_elfsections (abfd)[shindex] = &elf_tdata (abfd)->symtab_shndx_hdr; |
1973 | goto success; |
1727 | return TRUE; |
1974 | } |
1728 | 1975 | ||
- | 1976 | case SHT_STRTAB: /* A string table. */ |
|
1729 | case SHT_STRTAB: /* A string table */ |
1977 | if (hdr->bfd_section != NULL) |
1730 | if (hdr->bfd_section != NULL) |
1978 | goto success; |
1731 | return TRUE; |
1979 | |
1732 | if (ehdr->e_shstrndx == shindex) |
1980 | if (ehdr->e_shstrndx == shindex) |
1733 | { |
1981 | { |
1734 | elf_tdata (abfd)->shstrtab_hdr = *hdr; |
1982 | elf_tdata (abfd)->shstrtab_hdr = *hdr; |
1735 | elf_elfsections (abfd)[shindex] = &elf_tdata (abfd)->shstrtab_hdr; |
1983 | elf_elfsections (abfd)[shindex] = &elf_tdata (abfd)->shstrtab_hdr; |
1736 | return TRUE; |
1984 | goto success; |
1737 | } |
1985 | } |
- | 1986 | ||
1738 | if (elf_elfsections (abfd)[elf_onesymtab (abfd)]->sh_link == shindex) |
1987 | if (elf_elfsections (abfd)[elf_onesymtab (abfd)]->sh_link == shindex) |
1739 | { |
1988 | { |
1740 | symtab_strtab: |
1989 | symtab_strtab: |
1741 | elf_tdata (abfd)->strtab_hdr = *hdr; |
1990 | elf_tdata (abfd)->strtab_hdr = *hdr; |
1742 | elf_elfsections (abfd)[shindex] = &elf_tdata (abfd)->strtab_hdr; |
1991 | elf_elfsections (abfd)[shindex] = &elf_tdata (abfd)->strtab_hdr; |
1743 | return TRUE; |
1992 | goto success; |
1744 | } |
1993 | } |
- | 1994 | ||
1745 | if (elf_elfsections (abfd)[elf_dynsymtab (abfd)]->sh_link == shindex) |
1995 | if (elf_elfsections (abfd)[elf_dynsymtab (abfd)]->sh_link == shindex) |
1746 | { |
1996 | { |
1747 | dynsymtab_strtab: |
1997 | dynsymtab_strtab: |
1748 | elf_tdata (abfd)->dynstrtab_hdr = *hdr; |
1998 | elf_tdata (abfd)->dynstrtab_hdr = *hdr; |
1749 | hdr = &elf_tdata (abfd)->dynstrtab_hdr; |
1999 | hdr = &elf_tdata (abfd)->dynstrtab_hdr; |
1750 | elf_elfsections (abfd)[shindex] = hdr; |
2000 | elf_elfsections (abfd)[shindex] = hdr; |
1751 | /* We also treat this as a regular section, so that objcopy |
2001 | /* We also treat this as a regular section, so that objcopy |
1752 | can handle it. */ |
2002 | can handle it. */ |
1753 | return _bfd_elf_make_section_from_shdr (abfd, hdr, name, |
2003 | ret = _bfd_elf_make_section_from_shdr (abfd, hdr, name, |
1754 | shindex); |
2004 | shindex); |
- | 2005 | goto success; |
|
1755 | } |
2006 | } |
1756 | 2007 | ||
1757 | /* If the string table isn't one of the above, then treat it as a |
2008 | /* If the string table isn't one of the above, then treat it as a |
1758 | regular section. We need to scan all the headers to be sure, |
2009 | regular section. We need to scan all the headers to be sure, |
1759 | just in case this strtab section appeared before the above. */ |
2010 | just in case this strtab section appeared before the above. */ |
1760 | if (elf_onesymtab (abfd) == 0 || elf_dynsymtab (abfd) == 0) |
2011 | if (elf_onesymtab (abfd) == 0 || elf_dynsymtab (abfd) == 0) |
1761 | { |
2012 | { |
1762 | unsigned int i, num_sec; |
2013 | unsigned int i, num_sec; |
1763 | 2014 | ||
1764 | num_sec = elf_numsections (abfd); |
2015 | num_sec = elf_numsections (abfd); |
1765 | for (i = 1; i < num_sec; i++) |
2016 | for (i = 1; i < num_sec; i++) |
1766 | { |
2017 | { |
1767 | Elf_Internal_Shdr *hdr2 = elf_elfsections (abfd)[i]; |
2018 | Elf_Internal_Shdr *hdr2 = elf_elfsections (abfd)[i]; |
1768 | if (hdr2->sh_link == shindex) |
2019 | if (hdr2->sh_link == shindex) |
1769 | { |
2020 | { |
1770 | /* Prevent endless recursion on broken objects. */ |
2021 | /* Prevent endless recursion on broken objects. */ |
1771 | if (i == shindex) |
2022 | if (i == shindex) |
1772 | return FALSE; |
2023 | goto fail; |
1773 | if (! bfd_section_from_shdr (abfd, i)) |
2024 | if (! bfd_section_from_shdr (abfd, i)) |
1774 | return FALSE; |
2025 | goto fail; |
1775 | if (elf_onesymtab (abfd) == i) |
2026 | if (elf_onesymtab (abfd) == i) |
1776 | goto symtab_strtab; |
2027 | goto symtab_strtab; |
1777 | if (elf_dynsymtab (abfd) == i) |
2028 | if (elf_dynsymtab (abfd) == i) |
1778 | goto dynsymtab_strtab; |
2029 | goto dynsymtab_strtab; |
1779 | } |
2030 | } |
1780 | } |
2031 | } |
1781 | } |
2032 | } |
1782 | return _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex); |
2033 | ret = _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex); |
- | 2034 | goto success; |
|
1783 | 2035 | ||
1784 | case SHT_REL: |
2036 | case SHT_REL: |
1785 | case SHT_RELA: |
2037 | case SHT_RELA: |
1786 | /* *These* do a lot of work -- but build no sections! */ |
2038 | /* *These* do a lot of work -- but build no sections! */ |
1787 | { |
2039 | { |
1788 | asection *target_sect; |
2040 | asection *target_sect; |
1789 | Elf_Internal_Shdr *hdr2, **p_hdr; |
2041 | Elf_Internal_Shdr *hdr2, **p_hdr; |
1790 | unsigned int num_sec = elf_numsections (abfd); |
2042 | unsigned int num_sec = elf_numsections (abfd); |
1791 | struct bfd_elf_section_data *esdt; |
2043 | struct bfd_elf_section_data *esdt; |
1792 | bfd_size_type amt; |
2044 | bfd_size_type amt; |
1793 | 2045 | ||
1794 | if (hdr->sh_entsize |
2046 | if (hdr->sh_entsize |
1795 | != (bfd_size_type) (hdr->sh_type == SHT_REL |
2047 | != (bfd_size_type) (hdr->sh_type == SHT_REL |
1796 | ? bed->s->sizeof_rel : bed->s->sizeof_rela)) |
2048 | ? bed->s->sizeof_rel : bed->s->sizeof_rela)) |
1797 | return FALSE; |
2049 | goto fail; |
1798 | 2050 | ||
1799 | /* Check for a bogus link to avoid crashing. */ |
2051 | /* Check for a bogus link to avoid crashing. */ |
1800 | if (hdr->sh_link >= num_sec) |
2052 | if (hdr->sh_link >= num_sec) |
1801 | { |
2053 | { |
1802 | ((*_bfd_error_handler) |
2054 | ((*_bfd_error_handler) |
1803 | (_("%B: invalid link %lu for reloc section %s (index %u)"), |
2055 | (_("%B: invalid link %lu for reloc section %s (index %u)"), |
1804 | abfd, hdr->sh_link, name, shindex)); |
2056 | abfd, hdr->sh_link, name, shindex)); |
1805 | return _bfd_elf_make_section_from_shdr (abfd, hdr, name, |
2057 | ret = _bfd_elf_make_section_from_shdr (abfd, hdr, name, |
1806 | shindex); |
2058 | shindex); |
- | 2059 | goto success; |
|
1807 | } |
2060 | } |
1808 | 2061 | ||
1809 | /* For some incomprehensible reason Oracle distributes |
2062 | /* For some incomprehensible reason Oracle distributes |
1810 | libraries for Solaris in which some of the objects have |
2063 | libraries for Solaris in which some of the objects have |
1811 | bogus sh_link fields. It would be nice if we could just |
2064 | bogus sh_link fields. It would be nice if we could just |
1812 | reject them, but, unfortunately, some people need to use |
2065 | reject them, but, unfortunately, some people need to use |
1813 | them. We scan through the section headers; if we find only |
2066 | them. We scan through the section headers; if we find only |
1814 | one suitable symbol table, we clobber the sh_link to point |
2067 | one suitable symbol table, we clobber the sh_link to point |
1815 | to it. I hope this doesn't break anything. |
2068 | to it. I hope this doesn't break anything. |
1816 | 2069 | ||
1817 | Don't do it on executable nor shared library. */ |
2070 | Don't do it on executable nor shared library. */ |
1818 | if ((abfd->flags & (DYNAMIC | EXEC_P)) == 0 |
2071 | if ((abfd->flags & (DYNAMIC | EXEC_P)) == 0 |
1819 | && elf_elfsections (abfd)[hdr->sh_link]->sh_type != SHT_SYMTAB |
2072 | && elf_elfsections (abfd)[hdr->sh_link]->sh_type != SHT_SYMTAB |
1820 | && elf_elfsections (abfd)[hdr->sh_link]->sh_type != SHT_DYNSYM) |
2073 | && elf_elfsections (abfd)[hdr->sh_link]->sh_type != SHT_DYNSYM) |
1821 | { |
2074 | { |
1822 | unsigned int scan; |
2075 | unsigned int scan; |
1823 | int found; |
2076 | int found; |
1824 | 2077 | ||
1825 | found = 0; |
2078 | found = 0; |
1826 | for (scan = 1; scan < num_sec; scan++) |
2079 | for (scan = 1; scan < num_sec; scan++) |
1827 | { |
2080 | { |
1828 | if (elf_elfsections (abfd)[scan]->sh_type == SHT_SYMTAB |
2081 | if (elf_elfsections (abfd)[scan]->sh_type == SHT_SYMTAB |
1829 | || elf_elfsections (abfd)[scan]->sh_type == SHT_DYNSYM) |
2082 | || elf_elfsections (abfd)[scan]->sh_type == SHT_DYNSYM) |
1830 | { |
2083 | { |
1831 | if (found != 0) |
2084 | if (found != 0) |
1832 | { |
2085 | { |
1833 | found = 0; |
2086 | found = 0; |
1834 | break; |
2087 | break; |
1835 | } |
2088 | } |
1836 | found = scan; |
2089 | found = scan; |
1837 | } |
2090 | } |
1838 | } |
2091 | } |
1839 | if (found != 0) |
2092 | if (found != 0) |
1840 | hdr->sh_link = found; |
2093 | hdr->sh_link = found; |
1841 | } |
2094 | } |
1842 | 2095 | ||
1843 | /* Get the symbol table. */ |
2096 | /* Get the symbol table. */ |
1844 | if ((elf_elfsections (abfd)[hdr->sh_link]->sh_type == SHT_SYMTAB |
2097 | if ((elf_elfsections (abfd)[hdr->sh_link]->sh_type == SHT_SYMTAB |
1845 | || elf_elfsections (abfd)[hdr->sh_link]->sh_type == SHT_DYNSYM) |
2098 | || elf_elfsections (abfd)[hdr->sh_link]->sh_type == SHT_DYNSYM) |
1846 | && ! bfd_section_from_shdr (abfd, hdr->sh_link)) |
2099 | && ! bfd_section_from_shdr (abfd, hdr->sh_link)) |
1847 | return FALSE; |
2100 | goto fail; |
1848 | 2101 | ||
1849 | /* If this reloc section does not use the main symbol table we |
2102 | /* If this reloc section does not use the main symbol table we |
1850 | don't treat it as a reloc section. BFD can't adequately |
2103 | don't treat it as a reloc section. BFD can't adequately |
1851 | represent such a section, so at least for now, we don't |
2104 | represent such a section, so at least for now, we don't |
1852 | try. We just present it as a normal section. We also |
2105 | try. We just present it as a normal section. We also |
1853 | can't use it as a reloc section if it points to the null |
2106 | can't use it as a reloc section if it points to the null |
1854 | section, an invalid section, another reloc section, or its |
2107 | section, an invalid section, another reloc section, or its |
1855 | sh_link points to the null section. */ |
2108 | sh_link points to the null section. */ |
1856 | if (hdr->sh_link != elf_onesymtab (abfd) |
2109 | if (hdr->sh_link != elf_onesymtab (abfd) |
1857 | || hdr->sh_link == SHN_UNDEF |
2110 | || hdr->sh_link == SHN_UNDEF |
1858 | || hdr->sh_info == SHN_UNDEF |
2111 | || hdr->sh_info == SHN_UNDEF |
1859 | || hdr->sh_info >= num_sec |
2112 | || hdr->sh_info >= num_sec |
1860 | || elf_elfsections (abfd)[hdr->sh_info]->sh_type == SHT_REL |
2113 | || elf_elfsections (abfd)[hdr->sh_info]->sh_type == SHT_REL |
1861 | || elf_elfsections (abfd)[hdr->sh_info]->sh_type == SHT_RELA) |
2114 | || elf_elfsections (abfd)[hdr->sh_info]->sh_type == SHT_RELA) |
- | 2115 | { |
|
1862 | return _bfd_elf_make_section_from_shdr (abfd, hdr, name, |
2116 | ret = _bfd_elf_make_section_from_shdr (abfd, hdr, name, |
1863 | shindex); |
2117 | shindex); |
- | 2118 | goto success; |
|
- | 2119 | } |
|
1864 | 2120 | ||
1865 | if (! bfd_section_from_shdr (abfd, hdr->sh_info)) |
2121 | if (! bfd_section_from_shdr (abfd, hdr->sh_info)) |
- | 2122 | goto fail; |
|
1866 | return FALSE; |
2123 | |
1867 | target_sect = bfd_section_from_elf_index (abfd, hdr->sh_info); |
2124 | target_sect = bfd_section_from_elf_index (abfd, hdr->sh_info); |
1868 | if (target_sect == NULL) |
2125 | if (target_sect == NULL) |
1869 | return FALSE; |
2126 | goto fail; |
1870 | 2127 | ||
1871 | esdt = elf_section_data (target_sect); |
2128 | esdt = elf_section_data (target_sect); |
1872 | if (hdr->sh_type == SHT_RELA) |
2129 | if (hdr->sh_type == SHT_RELA) |
1873 | p_hdr = &esdt->rela.hdr; |
2130 | p_hdr = &esdt->rela.hdr; |
1874 | else |
2131 | else |
1875 | p_hdr = &esdt->rel.hdr; |
2132 | p_hdr = &esdt->rel.hdr; |
- | 2133 | ||
1876 | 2134 | /* PR 17512: file: 0b4f81b7. */ |
|
- | 2135 | if (*p_hdr != NULL) |
|
1877 | BFD_ASSERT (*p_hdr == NULL); |
2136 | goto fail; |
1878 | amt = sizeof (*hdr2); |
2137 | amt = sizeof (*hdr2); |
1879 | hdr2 = (Elf_Internal_Shdr *) bfd_alloc (abfd, amt); |
2138 | hdr2 = (Elf_Internal_Shdr *) bfd_alloc (abfd, amt); |
1880 | if (hdr2 == NULL) |
2139 | if (hdr2 == NULL) |
1881 | return FALSE; |
2140 | goto fail; |
1882 | *hdr2 = *hdr; |
2141 | *hdr2 = *hdr; |
1883 | *p_hdr = hdr2; |
2142 | *p_hdr = hdr2; |
1884 | elf_elfsections (abfd)[shindex] = hdr2; |
2143 | elf_elfsections (abfd)[shindex] = hdr2; |
1885 | target_sect->reloc_count += NUM_SHDR_ENTRIES (hdr); |
2144 | target_sect->reloc_count += NUM_SHDR_ENTRIES (hdr); |
1886 | target_sect->flags |= SEC_RELOC; |
2145 | target_sect->flags |= SEC_RELOC; |
1887 | target_sect->relocation = NULL; |
2146 | target_sect->relocation = NULL; |
1888 | target_sect->rel_filepos = hdr->sh_offset; |
2147 | target_sect->rel_filepos = hdr->sh_offset; |
1889 | /* In the section to which the relocations apply, mark whether |
2148 | /* In the section to which the relocations apply, mark whether |
1890 | its relocations are of the REL or RELA variety. */ |
2149 | its relocations are of the REL or RELA variety. */ |
1891 | if (hdr->sh_size != 0) |
2150 | if (hdr->sh_size != 0) |
1892 | { |
2151 | { |
1893 | if (hdr->sh_type == SHT_RELA) |
2152 | if (hdr->sh_type == SHT_RELA) |
1894 | target_sect->use_rela_p = 1; |
2153 | target_sect->use_rela_p = 1; |
1895 | } |
2154 | } |
1896 | abfd->flags |= HAS_RELOC; |
2155 | abfd->flags |= HAS_RELOC; |
1897 | return TRUE; |
2156 | goto success; |
1898 | } |
2157 | } |
1899 | 2158 | ||
1900 | case SHT_GNU_verdef: |
2159 | case SHT_GNU_verdef: |
1901 | elf_dynverdef (abfd) = shindex; |
2160 | elf_dynverdef (abfd) = shindex; |
1902 | elf_tdata (abfd)->dynverdef_hdr = *hdr; |
2161 | elf_tdata (abfd)->dynverdef_hdr = *hdr; |
1903 | return _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex); |
2162 | ret = _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex); |
- | 2163 | goto success; |
|
1904 | 2164 | ||
1905 | case SHT_GNU_versym: |
2165 | case SHT_GNU_versym: |
1906 | if (hdr->sh_entsize != sizeof (Elf_External_Versym)) |
2166 | if (hdr->sh_entsize != sizeof (Elf_External_Versym)) |
1907 | return FALSE; |
2167 | goto fail; |
- | 2168 | ||
1908 | elf_dynversym (abfd) = shindex; |
2169 | elf_dynversym (abfd) = shindex; |
1909 | elf_tdata (abfd)->dynversym_hdr = *hdr; |
2170 | elf_tdata (abfd)->dynversym_hdr = *hdr; |
1910 | return _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex); |
2171 | ret = _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex); |
- | 2172 | goto success; |
|
1911 | 2173 | ||
1912 | case SHT_GNU_verneed: |
2174 | case SHT_GNU_verneed: |
1913 | elf_dynverref (abfd) = shindex; |
2175 | elf_dynverref (abfd) = shindex; |
1914 | elf_tdata (abfd)->dynverref_hdr = *hdr; |
2176 | elf_tdata (abfd)->dynverref_hdr = *hdr; |
1915 | return _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex); |
2177 | ret = _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex); |
- | 2178 | goto success; |
|
1916 | 2179 | ||
1917 | case SHT_SHLIB: |
2180 | case SHT_SHLIB: |
1918 | return TRUE; |
2181 | goto success; |
1919 | 2182 | ||
1920 | case SHT_GROUP: |
2183 | case SHT_GROUP: |
1921 | if (! IS_VALID_GROUP_SECTION_HEADER (hdr, GRP_ENTRY_SIZE)) |
2184 | if (! IS_VALID_GROUP_SECTION_HEADER (hdr, GRP_ENTRY_SIZE)) |
1922 | return FALSE; |
2185 | goto fail; |
- | 2186 | ||
1923 | if (!_bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex)) |
2187 | if (!_bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex)) |
1924 | return FALSE; |
2188 | goto fail; |
- | 2189 | ||
1925 | if (hdr->contents != NULL) |
2190 | if (hdr->contents != NULL) |
1926 | { |
2191 | { |
1927 | Elf_Internal_Group *idx = (Elf_Internal_Group *) hdr->contents; |
2192 | Elf_Internal_Group *idx = (Elf_Internal_Group *) hdr->contents; |
1928 | unsigned int n_elt = hdr->sh_size / GRP_ENTRY_SIZE; |
2193 | unsigned int n_elt = hdr->sh_size / sizeof (* idx); |
1929 | asection *s; |
2194 | asection *s; |
- | 2195 | ||
- | 2196 | if (n_elt == 0) |
|
1930 | 2197 | goto fail; |
|
1931 | if (idx->flags & GRP_COMDAT) |
2198 | if (idx->flags & GRP_COMDAT) |
1932 | hdr->bfd_section->flags |
2199 | hdr->bfd_section->flags |
1933 | |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD; |
2200 | |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD; |
1934 | 2201 | ||
1935 | /* We try to keep the same section order as it comes in. */ |
2202 | /* We try to keep the same section order as it comes in. */ |
1936 | idx += n_elt; |
2203 | idx += n_elt; |
- | 2204 | ||
1937 | while (--n_elt != 0) |
2205 | while (--n_elt != 0) |
1938 | { |
2206 | { |
1939 | --idx; |
2207 | --idx; |
1940 | 2208 | ||
1941 | if (idx->shdr != NULL |
2209 | if (idx->shdr != NULL |
1942 | && (s = idx->shdr->bfd_section) != NULL |
2210 | && (s = idx->shdr->bfd_section) != NULL |
1943 | && elf_next_in_group (s) != NULL) |
2211 | && elf_next_in_group (s) != NULL) |
1944 | { |
2212 | { |
1945 | elf_next_in_group (hdr->bfd_section) = s; |
2213 | elf_next_in_group (hdr->bfd_section) = s; |
1946 | break; |
2214 | break; |
1947 | } |
2215 | } |
1948 | } |
2216 | } |
1949 | } |
2217 | } |
1950 | break; |
2218 | goto success; |
1951 | 2219 | ||
1952 | default: |
2220 | default: |
1953 | /* Possibly an attributes section. */ |
2221 | /* Possibly an attributes section. */ |
1954 | if (hdr->sh_type == SHT_GNU_ATTRIBUTES |
2222 | if (hdr->sh_type == SHT_GNU_ATTRIBUTES |
1955 | || hdr->sh_type == bed->obj_attrs_section_type) |
2223 | || hdr->sh_type == bed->obj_attrs_section_type) |
1956 | { |
2224 | { |
1957 | if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex)) |
2225 | if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex)) |
1958 | return FALSE; |
2226 | goto fail; |
1959 | _bfd_elf_parse_attributes (abfd, hdr); |
2227 | _bfd_elf_parse_attributes (abfd, hdr); |
1960 | return TRUE; |
2228 | goto success; |
1961 | } |
2229 | } |
1962 | 2230 | ||
1963 | /* Check for any processor-specific section types. */ |
2231 | /* Check for any processor-specific section types. */ |
1964 | if (bed->elf_backend_section_from_shdr (abfd, hdr, name, shindex)) |
2232 | if (bed->elf_backend_section_from_shdr (abfd, hdr, name, shindex)) |
1965 | return TRUE; |
2233 | goto success; |
1966 | 2234 | ||
1967 | if (hdr->sh_type >= SHT_LOUSER && hdr->sh_type <= SHT_HIUSER) |
2235 | if (hdr->sh_type >= SHT_LOUSER && hdr->sh_type <= SHT_HIUSER) |
1968 | { |
2236 | { |
1969 | if ((hdr->sh_flags & SHF_ALLOC) != 0) |
2237 | if ((hdr->sh_flags & SHF_ALLOC) != 0) |
1970 | /* FIXME: How to properly handle allocated section reserved |
2238 | /* FIXME: How to properly handle allocated section reserved |
1971 | for applications? */ |
2239 | for applications? */ |
1972 | (*_bfd_error_handler) |
2240 | (*_bfd_error_handler) |
1973 | (_("%B: don't know how to handle allocated, application " |
2241 | (_("%B: don't know how to handle allocated, application " |
1974 | "specific section `%s' [0x%8x]"), |
2242 | "specific section `%s' [0x%8x]"), |
1975 | abfd, name, hdr->sh_type); |
2243 | abfd, name, hdr->sh_type); |
1976 | else |
2244 | else |
- | 2245 | { |
|
1977 | /* Allow sections reserved for applications. */ |
2246 | /* Allow sections reserved for applications. */ |
1978 | return _bfd_elf_make_section_from_shdr (abfd, hdr, name, |
2247 | ret = _bfd_elf_make_section_from_shdr (abfd, hdr, name, |
1979 | shindex); |
2248 | shindex); |
- | 2249 | goto success; |
|
- | 2250 | } |
|
1980 | } |
2251 | } |
1981 | else if (hdr->sh_type >= SHT_LOPROC |
2252 | else if (hdr->sh_type >= SHT_LOPROC |
1982 | && hdr->sh_type <= SHT_HIPROC) |
2253 | && hdr->sh_type <= SHT_HIPROC) |
1983 | /* FIXME: We should handle this section. */ |
2254 | /* FIXME: We should handle this section. */ |
1984 | (*_bfd_error_handler) |
2255 | (*_bfd_error_handler) |
1985 | (_("%B: don't know how to handle processor specific section " |
2256 | (_("%B: don't know how to handle processor specific section " |
1986 | "`%s' [0x%8x]"), |
2257 | "`%s' [0x%8x]"), |
1987 | abfd, name, hdr->sh_type); |
2258 | abfd, name, hdr->sh_type); |
1988 | else if (hdr->sh_type >= SHT_LOOS && hdr->sh_type <= SHT_HIOS) |
2259 | else if (hdr->sh_type >= SHT_LOOS && hdr->sh_type <= SHT_HIOS) |
1989 | { |
2260 | { |
1990 | /* Unrecognised OS-specific sections. */ |
2261 | /* Unrecognised OS-specific sections. */ |
1991 | if ((hdr->sh_flags & SHF_OS_NONCONFORMING) != 0) |
2262 | if ((hdr->sh_flags & SHF_OS_NONCONFORMING) != 0) |
1992 | /* SHF_OS_NONCONFORMING indicates that special knowledge is |
2263 | /* SHF_OS_NONCONFORMING indicates that special knowledge is |
1993 | required to correctly process the section and the file should |
2264 | required to correctly process the section and the file should |
1994 | be rejected with an error message. */ |
2265 | be rejected with an error message. */ |
1995 | (*_bfd_error_handler) |
2266 | (*_bfd_error_handler) |
1996 | (_("%B: don't know how to handle OS specific section " |
2267 | (_("%B: don't know how to handle OS specific section " |
1997 | "`%s' [0x%8x]"), |
2268 | "`%s' [0x%8x]"), |
1998 | abfd, name, hdr->sh_type); |
2269 | abfd, name, hdr->sh_type); |
1999 | else |
2270 | else |
- | 2271 | { |
|
2000 | /* Otherwise it should be processed. */ |
2272 | /* Otherwise it should be processed. */ |
2001 | return _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex); |
2273 | ret = _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex); |
- | 2274 | goto success; |
|
- | 2275 | } |
|
2002 | } |
2276 | } |
2003 | else |
2277 | else |
2004 | /* FIXME: We should handle this section. */ |
2278 | /* FIXME: We should handle this section. */ |
2005 | (*_bfd_error_handler) |
2279 | (*_bfd_error_handler) |
2006 | (_("%B: don't know how to handle section `%s' [0x%8x]"), |
2280 | (_("%B: don't know how to handle section `%s' [0x%8x]"), |
2007 | abfd, name, hdr->sh_type); |
2281 | abfd, name, hdr->sh_type); |
2008 | 2282 | ||
2009 | return FALSE; |
2283 | goto fail; |
- | 2284 | } |
|
- | 2285 | ||
- | 2286 | fail: |
|
- | 2287 | ret = FALSE; |
|
- | 2288 | success: |
|
- | 2289 | if (sections_being_created && sections_being_created_abfd == abfd) |
|
- | 2290 | sections_being_created [shindex] = FALSE; |
|
- | 2291 | if (-- nesting == 0) |
|
- | 2292 | { |
|
- | 2293 | sections_being_created = NULL; |
|
2010 | } |
2294 | sections_being_created_abfd = abfd; |
2011 | 2295 | } |
|
2012 | return TRUE; |
2296 | return ret; |
2013 | } |
2297 | } |
2014 | 2298 | ||
2015 | /* Return the local symbol specified by ABFD, R_SYMNDX. */ |
2299 | /* Return the local symbol specified by ABFD, R_SYMNDX. */ |
2016 | 2300 | ||
2017 | Elf_Internal_Sym * |
2301 | Elf_Internal_Sym * |
2018 | bfd_sym_from_r_symndx (struct sym_cache *cache, |
2302 | bfd_sym_from_r_symndx (struct sym_cache *cache, |
2019 | bfd *abfd, |
2303 | bfd *abfd, |
2020 | unsigned long r_symndx) |
2304 | unsigned long r_symndx) |
2021 | { |
2305 | { |
2022 | unsigned int ent = r_symndx % LOCAL_SYM_CACHE_SIZE; |
2306 | unsigned int ent = r_symndx % LOCAL_SYM_CACHE_SIZE; |
2023 | 2307 | ||
2024 | if (cache->abfd != abfd || cache->indx[ent] != r_symndx) |
2308 | if (cache->abfd != abfd || cache->indx[ent] != r_symndx) |
2025 | { |
2309 | { |
2026 | Elf_Internal_Shdr *symtab_hdr; |
2310 | Elf_Internal_Shdr *symtab_hdr; |
2027 | unsigned char esym[sizeof (Elf64_External_Sym)]; |
2311 | unsigned char esym[sizeof (Elf64_External_Sym)]; |
2028 | Elf_External_Sym_Shndx eshndx; |
2312 | Elf_External_Sym_Shndx eshndx; |
2029 | 2313 | ||
2030 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; |
2314 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; |
2031 | if (bfd_elf_get_elf_syms (abfd, symtab_hdr, 1, r_symndx, |
2315 | if (bfd_elf_get_elf_syms (abfd, symtab_hdr, 1, r_symndx, |
2032 | &cache->sym[ent], esym, &eshndx) == NULL) |
2316 | &cache->sym[ent], esym, &eshndx) == NULL) |
2033 | return NULL; |
2317 | return NULL; |
2034 | 2318 | ||
2035 | if (cache->abfd != abfd) |
2319 | if (cache->abfd != abfd) |
2036 | { |
2320 | { |
2037 | memset (cache->indx, -1, sizeof (cache->indx)); |
2321 | memset (cache->indx, -1, sizeof (cache->indx)); |
2038 | cache->abfd = abfd; |
2322 | cache->abfd = abfd; |
2039 | } |
2323 | } |
2040 | cache->indx[ent] = r_symndx; |
2324 | cache->indx[ent] = r_symndx; |
2041 | } |
2325 | } |
2042 | 2326 | ||
2043 | return &cache->sym[ent]; |
2327 | return &cache->sym[ent]; |
2044 | } |
2328 | } |
2045 | 2329 | ||
2046 | /* Given an ELF section number, retrieve the corresponding BFD |
2330 | /* Given an ELF section number, retrieve the corresponding BFD |
2047 | section. */ |
2331 | section. */ |
2048 | 2332 | ||
2049 | asection * |
2333 | asection * |
2050 | bfd_section_from_elf_index (bfd *abfd, unsigned int sec_index) |
2334 | bfd_section_from_elf_index (bfd *abfd, unsigned int sec_index) |
2051 | { |
2335 | { |
2052 | if (sec_index >= elf_numsections (abfd)) |
2336 | if (sec_index >= elf_numsections (abfd)) |
2053 | return NULL; |
2337 | return NULL; |
2054 | return elf_elfsections (abfd)[sec_index]->bfd_section; |
2338 | return elf_elfsections (abfd)[sec_index]->bfd_section; |
2055 | } |
2339 | } |
2056 | 2340 | ||
2057 | static const struct bfd_elf_special_section special_sections_b[] = |
2341 | static const struct bfd_elf_special_section special_sections_b[] = |
2058 | { |
2342 | { |
2059 | { STRING_COMMA_LEN (".bss"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, |
2343 | { STRING_COMMA_LEN (".bss"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, |
2060 | { NULL, 0, 0, 0, 0 } |
2344 | { NULL, 0, 0, 0, 0 } |
2061 | }; |
2345 | }; |
2062 | 2346 | ||
2063 | static const struct bfd_elf_special_section special_sections_c[] = |
2347 | static const struct bfd_elf_special_section special_sections_c[] = |
2064 | { |
2348 | { |
2065 | { STRING_COMMA_LEN (".comment"), 0, SHT_PROGBITS, 0 }, |
2349 | { STRING_COMMA_LEN (".comment"), 0, SHT_PROGBITS, 0 }, |
2066 | { NULL, 0, 0, 0, 0 } |
2350 | { NULL, 0, 0, 0, 0 } |
2067 | }; |
2351 | }; |
2068 | 2352 | ||
2069 | static const struct bfd_elf_special_section special_sections_d[] = |
2353 | static const struct bfd_elf_special_section special_sections_d[] = |
2070 | { |
2354 | { |
2071 | { STRING_COMMA_LEN (".data"), -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, |
2355 | { STRING_COMMA_LEN (".data"), -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, |
2072 | { STRING_COMMA_LEN (".data1"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, |
2356 | { STRING_COMMA_LEN (".data1"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, |
2073 | /* There are more DWARF sections than these, but they needn't be added here |
2357 | /* There are more DWARF sections than these, but they needn't be added here |
2074 | unless you have to cope with broken compilers that don't emit section |
2358 | unless you have to cope with broken compilers that don't emit section |
2075 | attributes or you want to help the user writing assembler. */ |
2359 | attributes or you want to help the user writing assembler. */ |
2076 | { STRING_COMMA_LEN (".debug"), 0, SHT_PROGBITS, 0 }, |
2360 | { STRING_COMMA_LEN (".debug"), 0, SHT_PROGBITS, 0 }, |
2077 | { STRING_COMMA_LEN (".debug_line"), 0, SHT_PROGBITS, 0 }, |
2361 | { STRING_COMMA_LEN (".debug_line"), 0, SHT_PROGBITS, 0 }, |
2078 | { STRING_COMMA_LEN (".debug_info"), 0, SHT_PROGBITS, 0 }, |
2362 | { STRING_COMMA_LEN (".debug_info"), 0, SHT_PROGBITS, 0 }, |
2079 | { STRING_COMMA_LEN (".debug_abbrev"), 0, SHT_PROGBITS, 0 }, |
2363 | { STRING_COMMA_LEN (".debug_abbrev"), 0, SHT_PROGBITS, 0 }, |
2080 | { STRING_COMMA_LEN (".debug_aranges"), 0, SHT_PROGBITS, 0 }, |
2364 | { STRING_COMMA_LEN (".debug_aranges"), 0, SHT_PROGBITS, 0 }, |
2081 | { STRING_COMMA_LEN (".dynamic"), 0, SHT_DYNAMIC, SHF_ALLOC }, |
2365 | { STRING_COMMA_LEN (".dynamic"), 0, SHT_DYNAMIC, SHF_ALLOC }, |
2082 | { STRING_COMMA_LEN (".dynstr"), 0, SHT_STRTAB, SHF_ALLOC }, |
2366 | { STRING_COMMA_LEN (".dynstr"), 0, SHT_STRTAB, SHF_ALLOC }, |
2083 | { STRING_COMMA_LEN (".dynsym"), 0, SHT_DYNSYM, SHF_ALLOC }, |
2367 | { STRING_COMMA_LEN (".dynsym"), 0, SHT_DYNSYM, SHF_ALLOC }, |
2084 | { NULL, 0, 0, 0, 0 } |
2368 | { NULL, 0, 0, 0, 0 } |
2085 | }; |
2369 | }; |
2086 | 2370 | ||
2087 | static const struct bfd_elf_special_section special_sections_f[] = |
2371 | static const struct bfd_elf_special_section special_sections_f[] = |
2088 | { |
2372 | { |
2089 | { STRING_COMMA_LEN (".fini"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR }, |
2373 | { STRING_COMMA_LEN (".fini"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR }, |
2090 | { STRING_COMMA_LEN (".fini_array"), 0, SHT_FINI_ARRAY, SHF_ALLOC + SHF_WRITE }, |
2374 | { STRING_COMMA_LEN (".fini_array"), 0, SHT_FINI_ARRAY, SHF_ALLOC + SHF_WRITE }, |
2091 | { NULL, 0, 0, 0, 0 } |
2375 | { NULL, 0, 0, 0, 0 } |
2092 | }; |
2376 | }; |
2093 | 2377 | ||
2094 | static const struct bfd_elf_special_section special_sections_g[] = |
2378 | static const struct bfd_elf_special_section special_sections_g[] = |
2095 | { |
2379 | { |
2096 | { STRING_COMMA_LEN (".gnu.linkonce.b"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, |
2380 | { STRING_COMMA_LEN (".gnu.linkonce.b"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, |
2097 | { STRING_COMMA_LEN (".gnu.lto_"), -1, SHT_PROGBITS, SHF_EXCLUDE }, |
2381 | { STRING_COMMA_LEN (".gnu.lto_"), -1, SHT_PROGBITS, SHF_EXCLUDE }, |
2098 | { STRING_COMMA_LEN (".got"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, |
2382 | { STRING_COMMA_LEN (".got"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, |
2099 | { STRING_COMMA_LEN (".gnu.version"), 0, SHT_GNU_versym, 0 }, |
2383 | { STRING_COMMA_LEN (".gnu.version"), 0, SHT_GNU_versym, 0 }, |
2100 | { STRING_COMMA_LEN (".gnu.version_d"), 0, SHT_GNU_verdef, 0 }, |
2384 | { STRING_COMMA_LEN (".gnu.version_d"), 0, SHT_GNU_verdef, 0 }, |
2101 | { STRING_COMMA_LEN (".gnu.version_r"), 0, SHT_GNU_verneed, 0 }, |
2385 | { STRING_COMMA_LEN (".gnu.version_r"), 0, SHT_GNU_verneed, 0 }, |
2102 | { STRING_COMMA_LEN (".gnu.liblist"), 0, SHT_GNU_LIBLIST, SHF_ALLOC }, |
2386 | { STRING_COMMA_LEN (".gnu.liblist"), 0, SHT_GNU_LIBLIST, SHF_ALLOC }, |
2103 | { STRING_COMMA_LEN (".gnu.conflict"), 0, SHT_RELA, SHF_ALLOC }, |
2387 | { STRING_COMMA_LEN (".gnu.conflict"), 0, SHT_RELA, SHF_ALLOC }, |
2104 | { STRING_COMMA_LEN (".gnu.hash"), 0, SHT_GNU_HASH, SHF_ALLOC }, |
2388 | { STRING_COMMA_LEN (".gnu.hash"), 0, SHT_GNU_HASH, SHF_ALLOC }, |
2105 | { NULL, 0, 0, 0, 0 } |
2389 | { NULL, 0, 0, 0, 0 } |
2106 | }; |
2390 | }; |
2107 | 2391 | ||
2108 | static const struct bfd_elf_special_section special_sections_h[] = |
2392 | static const struct bfd_elf_special_section special_sections_h[] = |
2109 | { |
2393 | { |
2110 | { STRING_COMMA_LEN (".hash"), 0, SHT_HASH, SHF_ALLOC }, |
2394 | { STRING_COMMA_LEN (".hash"), 0, SHT_HASH, SHF_ALLOC }, |
2111 | { NULL, 0, 0, 0, 0 } |
2395 | { NULL, 0, 0, 0, 0 } |
2112 | }; |
2396 | }; |
2113 | 2397 | ||
2114 | static const struct bfd_elf_special_section special_sections_i[] = |
2398 | static const struct bfd_elf_special_section special_sections_i[] = |
2115 | { |
2399 | { |
2116 | { STRING_COMMA_LEN (".init"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR }, |
2400 | { STRING_COMMA_LEN (".init"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR }, |
2117 | { STRING_COMMA_LEN (".init_array"), 0, SHT_INIT_ARRAY, SHF_ALLOC + SHF_WRITE }, |
2401 | { STRING_COMMA_LEN (".init_array"), 0, SHT_INIT_ARRAY, SHF_ALLOC + SHF_WRITE }, |
2118 | { STRING_COMMA_LEN (".interp"), 0, SHT_PROGBITS, 0 }, |
2402 | { STRING_COMMA_LEN (".interp"), 0, SHT_PROGBITS, 0 }, |
2119 | { NULL, 0, 0, 0, 0 } |
2403 | { NULL, 0, 0, 0, 0 } |
2120 | }; |
2404 | }; |
2121 | 2405 | ||
2122 | static const struct bfd_elf_special_section special_sections_l[] = |
2406 | static const struct bfd_elf_special_section special_sections_l[] = |
2123 | { |
2407 | { |
2124 | { STRING_COMMA_LEN (".line"), 0, SHT_PROGBITS, 0 }, |
2408 | { STRING_COMMA_LEN (".line"), 0, SHT_PROGBITS, 0 }, |
2125 | { NULL, 0, 0, 0, 0 } |
2409 | { NULL, 0, 0, 0, 0 } |
2126 | }; |
2410 | }; |
2127 | 2411 | ||
2128 | static const struct bfd_elf_special_section special_sections_n[] = |
2412 | static const struct bfd_elf_special_section special_sections_n[] = |
2129 | { |
2413 | { |
2130 | { STRING_COMMA_LEN (".note.GNU-stack"), 0, SHT_PROGBITS, 0 }, |
2414 | { STRING_COMMA_LEN (".note.GNU-stack"), 0, SHT_PROGBITS, 0 }, |
2131 | { STRING_COMMA_LEN (".note"), -1, SHT_NOTE, 0 }, |
2415 | { STRING_COMMA_LEN (".note"), -1, SHT_NOTE, 0 }, |
2132 | { NULL, 0, 0, 0, 0 } |
2416 | { NULL, 0, 0, 0, 0 } |
2133 | }; |
2417 | }; |
2134 | 2418 | ||
2135 | static const struct bfd_elf_special_section special_sections_p[] = |
2419 | static const struct bfd_elf_special_section special_sections_p[] = |
2136 | { |
2420 | { |
2137 | { STRING_COMMA_LEN (".preinit_array"), 0, SHT_PREINIT_ARRAY, SHF_ALLOC + SHF_WRITE }, |
2421 | { STRING_COMMA_LEN (".preinit_array"), 0, SHT_PREINIT_ARRAY, SHF_ALLOC + SHF_WRITE }, |
2138 | { STRING_COMMA_LEN (".plt"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR }, |
2422 | { STRING_COMMA_LEN (".plt"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR }, |
2139 | { NULL, 0, 0, 0, 0 } |
2423 | { NULL, 0, 0, 0, 0 } |
2140 | }; |
2424 | }; |
2141 | 2425 | ||
2142 | static const struct bfd_elf_special_section special_sections_r[] = |
2426 | static const struct bfd_elf_special_section special_sections_r[] = |
2143 | { |
2427 | { |
2144 | { STRING_COMMA_LEN (".rodata"), -2, SHT_PROGBITS, SHF_ALLOC }, |
2428 | { STRING_COMMA_LEN (".rodata"), -2, SHT_PROGBITS, SHF_ALLOC }, |
2145 | { STRING_COMMA_LEN (".rodata1"), 0, SHT_PROGBITS, SHF_ALLOC }, |
2429 | { STRING_COMMA_LEN (".rodata1"), 0, SHT_PROGBITS, SHF_ALLOC }, |
2146 | { STRING_COMMA_LEN (".rela"), -1, SHT_RELA, 0 }, |
2430 | { STRING_COMMA_LEN (".rela"), -1, SHT_RELA, 0 }, |
2147 | { STRING_COMMA_LEN (".rel"), -1, SHT_REL, 0 }, |
2431 | { STRING_COMMA_LEN (".rel"), -1, SHT_REL, 0 }, |
2148 | { NULL, 0, 0, 0, 0 } |
2432 | { NULL, 0, 0, 0, 0 } |
2149 | }; |
2433 | }; |
2150 | 2434 | ||
2151 | static const struct bfd_elf_special_section special_sections_s[] = |
2435 | static const struct bfd_elf_special_section special_sections_s[] = |
2152 | { |
2436 | { |
2153 | { STRING_COMMA_LEN (".shstrtab"), 0, SHT_STRTAB, 0 }, |
2437 | { STRING_COMMA_LEN (".shstrtab"), 0, SHT_STRTAB, 0 }, |
2154 | { STRING_COMMA_LEN (".strtab"), 0, SHT_STRTAB, 0 }, |
2438 | { STRING_COMMA_LEN (".strtab"), 0, SHT_STRTAB, 0 }, |
2155 | { STRING_COMMA_LEN (".symtab"), 0, SHT_SYMTAB, 0 }, |
2439 | { STRING_COMMA_LEN (".symtab"), 0, SHT_SYMTAB, 0 }, |
2156 | /* See struct bfd_elf_special_section declaration for the semantics of |
2440 | /* See struct bfd_elf_special_section declaration for the semantics of |
2157 | this special case where .prefix_length != strlen (.prefix). */ |
2441 | this special case where .prefix_length != strlen (.prefix). */ |
2158 | { ".stabstr", 5, 3, SHT_STRTAB, 0 }, |
2442 | { ".stabstr", 5, 3, SHT_STRTAB, 0 }, |
2159 | { NULL, 0, 0, 0, 0 } |
2443 | { NULL, 0, 0, 0, 0 } |
2160 | }; |
2444 | }; |
2161 | 2445 | ||
2162 | static const struct bfd_elf_special_section special_sections_t[] = |
2446 | static const struct bfd_elf_special_section special_sections_t[] = |
2163 | { |
2447 | { |
2164 | { STRING_COMMA_LEN (".text"), -2, SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR }, |
2448 | { STRING_COMMA_LEN (".text"), -2, SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR }, |
2165 | { STRING_COMMA_LEN (".tbss"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_TLS }, |
2449 | { STRING_COMMA_LEN (".tbss"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_TLS }, |
2166 | { STRING_COMMA_LEN (".tdata"), -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_TLS }, |
2450 | { STRING_COMMA_LEN (".tdata"), -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_TLS }, |
2167 | { NULL, 0, 0, 0, 0 } |
2451 | { NULL, 0, 0, 0, 0 } |
2168 | }; |
2452 | }; |
2169 | 2453 | ||
2170 | static const struct bfd_elf_special_section special_sections_z[] = |
2454 | static const struct bfd_elf_special_section special_sections_z[] = |
2171 | { |
2455 | { |
2172 | { STRING_COMMA_LEN (".zdebug_line"), 0, SHT_PROGBITS, 0 }, |
2456 | { STRING_COMMA_LEN (".zdebug_line"), 0, SHT_PROGBITS, 0 }, |
2173 | { STRING_COMMA_LEN (".zdebug_info"), 0, SHT_PROGBITS, 0 }, |
2457 | { STRING_COMMA_LEN (".zdebug_info"), 0, SHT_PROGBITS, 0 }, |
2174 | { STRING_COMMA_LEN (".zdebug_abbrev"), 0, SHT_PROGBITS, 0 }, |
2458 | { STRING_COMMA_LEN (".zdebug_abbrev"), 0, SHT_PROGBITS, 0 }, |
2175 | { STRING_COMMA_LEN (".zdebug_aranges"), 0, SHT_PROGBITS, 0 }, |
2459 | { STRING_COMMA_LEN (".zdebug_aranges"), 0, SHT_PROGBITS, 0 }, |
2176 | { NULL, 0, 0, 0, 0 } |
2460 | { NULL, 0, 0, 0, 0 } |
2177 | }; |
2461 | }; |
2178 | 2462 | ||
2179 | static const struct bfd_elf_special_section * const special_sections[] = |
2463 | static const struct bfd_elf_special_section * const special_sections[] = |
2180 | { |
2464 | { |
2181 | special_sections_b, /* 'b' */ |
2465 | special_sections_b, /* 'b' */ |
2182 | special_sections_c, /* 'c' */ |
2466 | special_sections_c, /* 'c' */ |
2183 | special_sections_d, /* 'd' */ |
2467 | special_sections_d, /* 'd' */ |
2184 | NULL, /* 'e' */ |
2468 | NULL, /* 'e' */ |
2185 | special_sections_f, /* 'f' */ |
2469 | special_sections_f, /* 'f' */ |
2186 | special_sections_g, /* 'g' */ |
2470 | special_sections_g, /* 'g' */ |
2187 | special_sections_h, /* 'h' */ |
2471 | special_sections_h, /* 'h' */ |
2188 | special_sections_i, /* 'i' */ |
2472 | special_sections_i, /* 'i' */ |
2189 | NULL, /* 'j' */ |
2473 | NULL, /* 'j' */ |
2190 | NULL, /* 'k' */ |
2474 | NULL, /* 'k' */ |
2191 | special_sections_l, /* 'l' */ |
2475 | special_sections_l, /* 'l' */ |
2192 | NULL, /* 'm' */ |
2476 | NULL, /* 'm' */ |
2193 | special_sections_n, /* 'n' */ |
2477 | special_sections_n, /* 'n' */ |
2194 | NULL, /* 'o' */ |
2478 | NULL, /* 'o' */ |
2195 | special_sections_p, /* 'p' */ |
2479 | special_sections_p, /* 'p' */ |
2196 | NULL, /* 'q' */ |
2480 | NULL, /* 'q' */ |
2197 | special_sections_r, /* 'r' */ |
2481 | special_sections_r, /* 'r' */ |
2198 | special_sections_s, /* 's' */ |
2482 | special_sections_s, /* 's' */ |
2199 | special_sections_t, /* 't' */ |
2483 | special_sections_t, /* 't' */ |
2200 | NULL, /* 'u' */ |
2484 | NULL, /* 'u' */ |
2201 | NULL, /* 'v' */ |
2485 | NULL, /* 'v' */ |
2202 | NULL, /* 'w' */ |
2486 | NULL, /* 'w' */ |
2203 | NULL, /* 'x' */ |
2487 | NULL, /* 'x' */ |
2204 | NULL, /* 'y' */ |
2488 | NULL, /* 'y' */ |
2205 | special_sections_z /* 'z' */ |
2489 | special_sections_z /* 'z' */ |
2206 | }; |
2490 | }; |
2207 | 2491 | ||
2208 | const struct bfd_elf_special_section * |
2492 | const struct bfd_elf_special_section * |
2209 | _bfd_elf_get_special_section (const char *name, |
2493 | _bfd_elf_get_special_section (const char *name, |
2210 | const struct bfd_elf_special_section *spec, |
2494 | const struct bfd_elf_special_section *spec, |
2211 | unsigned int rela) |
2495 | unsigned int rela) |
2212 | { |
2496 | { |
2213 | int i; |
2497 | int i; |
2214 | int len; |
2498 | int len; |
2215 | 2499 | ||
2216 | len = strlen (name); |
2500 | len = strlen (name); |
2217 | 2501 | ||
2218 | for (i = 0; spec[i].prefix != NULL; i++) |
2502 | for (i = 0; spec[i].prefix != NULL; i++) |
2219 | { |
2503 | { |
2220 | int suffix_len; |
2504 | int suffix_len; |
2221 | int prefix_len = spec[i].prefix_length; |
2505 | int prefix_len = spec[i].prefix_length; |
2222 | 2506 | ||
2223 | if (len < prefix_len) |
2507 | if (len < prefix_len) |
2224 | continue; |
2508 | continue; |
2225 | if (memcmp (name, spec[i].prefix, prefix_len) != 0) |
2509 | if (memcmp (name, spec[i].prefix, prefix_len) != 0) |
2226 | continue; |
2510 | continue; |
2227 | 2511 | ||
2228 | suffix_len = spec[i].suffix_length; |
2512 | suffix_len = spec[i].suffix_length; |
2229 | if (suffix_len <= 0) |
2513 | if (suffix_len <= 0) |
2230 | { |
2514 | { |
2231 | if (name[prefix_len] != 0) |
2515 | if (name[prefix_len] != 0) |
2232 | { |
2516 | { |
2233 | if (suffix_len == 0) |
2517 | if (suffix_len == 0) |
2234 | continue; |
2518 | continue; |
2235 | if (name[prefix_len] != '.' |
2519 | if (name[prefix_len] != '.' |
2236 | && (suffix_len == -2 |
2520 | && (suffix_len == -2 |
2237 | || (rela && spec[i].type == SHT_REL))) |
2521 | || (rela && spec[i].type == SHT_REL))) |
2238 | continue; |
2522 | continue; |
2239 | } |
2523 | } |
2240 | } |
2524 | } |
2241 | else |
2525 | else |
2242 | { |
2526 | { |
2243 | if (len < prefix_len + suffix_len) |
2527 | if (len < prefix_len + suffix_len) |
2244 | continue; |
2528 | continue; |
2245 | if (memcmp (name + len - suffix_len, |
2529 | if (memcmp (name + len - suffix_len, |
2246 | spec[i].prefix + prefix_len, |
2530 | spec[i].prefix + prefix_len, |
2247 | suffix_len) != 0) |
2531 | suffix_len) != 0) |
2248 | continue; |
2532 | continue; |
2249 | } |
2533 | } |
2250 | return &spec[i]; |
2534 | return &spec[i]; |
2251 | } |
2535 | } |
2252 | 2536 | ||
2253 | return NULL; |
2537 | return NULL; |
2254 | } |
2538 | } |
2255 | 2539 | ||
2256 | const struct bfd_elf_special_section * |
2540 | const struct bfd_elf_special_section * |
2257 | _bfd_elf_get_sec_type_attr (bfd *abfd, asection *sec) |
2541 | _bfd_elf_get_sec_type_attr (bfd *abfd, asection *sec) |
2258 | { |
2542 | { |
2259 | int i; |
2543 | int i; |
2260 | const struct bfd_elf_special_section *spec; |
2544 | const struct bfd_elf_special_section *spec; |
2261 | const struct elf_backend_data *bed; |
2545 | const struct elf_backend_data *bed; |
2262 | 2546 | ||
2263 | /* See if this is one of the special sections. */ |
2547 | /* See if this is one of the special sections. */ |
2264 | if (sec->name == NULL) |
2548 | if (sec->name == NULL) |
2265 | return NULL; |
2549 | return NULL; |
2266 | 2550 | ||
2267 | bed = get_elf_backend_data (abfd); |
2551 | bed = get_elf_backend_data (abfd); |
2268 | spec = bed->special_sections; |
2552 | spec = bed->special_sections; |
2269 | if (spec) |
2553 | if (spec) |
2270 | { |
2554 | { |
2271 | spec = _bfd_elf_get_special_section (sec->name, |
2555 | spec = _bfd_elf_get_special_section (sec->name, |
2272 | bed->special_sections, |
2556 | bed->special_sections, |
2273 | sec->use_rela_p); |
2557 | sec->use_rela_p); |
2274 | if (spec != NULL) |
2558 | if (spec != NULL) |
2275 | return spec; |
2559 | return spec; |
2276 | } |
2560 | } |
2277 | 2561 | ||
2278 | if (sec->name[0] != '.') |
2562 | if (sec->name[0] != '.') |
2279 | return NULL; |
2563 | return NULL; |
2280 | 2564 | ||
2281 | i = sec->name[1] - 'b'; |
2565 | i = sec->name[1] - 'b'; |
2282 | if (i < 0 || i > 'z' - 'b') |
2566 | if (i < 0 || i > 'z' - 'b') |
2283 | return NULL; |
2567 | return NULL; |
2284 | 2568 | ||
2285 | spec = special_sections[i]; |
2569 | spec = special_sections[i]; |
2286 | 2570 | ||
2287 | if (spec == NULL) |
2571 | if (spec == NULL) |
2288 | return NULL; |
2572 | return NULL; |
2289 | 2573 | ||
2290 | return _bfd_elf_get_special_section (sec->name, spec, sec->use_rela_p); |
2574 | return _bfd_elf_get_special_section (sec->name, spec, sec->use_rela_p); |
2291 | } |
2575 | } |
2292 | 2576 | ||
2293 | bfd_boolean |
2577 | bfd_boolean |
2294 | _bfd_elf_new_section_hook (bfd *abfd, asection *sec) |
2578 | _bfd_elf_new_section_hook (bfd *abfd, asection *sec) |
2295 | { |
2579 | { |
2296 | struct bfd_elf_section_data *sdata; |
2580 | struct bfd_elf_section_data *sdata; |
2297 | const struct elf_backend_data *bed; |
2581 | const struct elf_backend_data *bed; |
2298 | const struct bfd_elf_special_section *ssect; |
2582 | const struct bfd_elf_special_section *ssect; |
2299 | 2583 | ||
2300 | sdata = (struct bfd_elf_section_data *) sec->used_by_bfd; |
2584 | sdata = (struct bfd_elf_section_data *) sec->used_by_bfd; |
2301 | if (sdata == NULL) |
2585 | if (sdata == NULL) |
2302 | { |
2586 | { |
2303 | sdata = (struct bfd_elf_section_data *) bfd_zalloc (abfd, |
2587 | sdata = (struct bfd_elf_section_data *) bfd_zalloc (abfd, |
2304 | sizeof (*sdata)); |
2588 | sizeof (*sdata)); |
2305 | if (sdata == NULL) |
2589 | if (sdata == NULL) |
2306 | return FALSE; |
2590 | return FALSE; |
2307 | sec->used_by_bfd = sdata; |
2591 | sec->used_by_bfd = sdata; |
2308 | } |
2592 | } |
2309 | 2593 | ||
2310 | /* Indicate whether or not this section should use RELA relocations. */ |
2594 | /* Indicate whether or not this section should use RELA relocations. */ |
2311 | bed = get_elf_backend_data (abfd); |
2595 | bed = get_elf_backend_data (abfd); |
2312 | sec->use_rela_p = bed->default_use_rela_p; |
2596 | sec->use_rela_p = bed->default_use_rela_p; |
2313 | 2597 | ||
2314 | /* When we read a file, we don't need to set ELF section type and |
2598 | /* When we read a file, we don't need to set ELF section type and |
2315 | flags. They will be overridden in _bfd_elf_make_section_from_shdr |
2599 | flags. They will be overridden in _bfd_elf_make_section_from_shdr |
2316 | anyway. We will set ELF section type and flags for all linker |
2600 | anyway. We will set ELF section type and flags for all linker |
2317 | created sections. If user specifies BFD section flags, we will |
2601 | created sections. If user specifies BFD section flags, we will |
2318 | set ELF section type and flags based on BFD section flags in |
2602 | set ELF section type and flags based on BFD section flags in |
2319 | elf_fake_sections. Special handling for .init_array/.fini_array |
2603 | elf_fake_sections. Special handling for .init_array/.fini_array |
2320 | output sections since they may contain .ctors/.dtors input |
2604 | output sections since they may contain .ctors/.dtors input |
2321 | sections. We don't want _bfd_elf_init_private_section_data to |
2605 | sections. We don't want _bfd_elf_init_private_section_data to |
2322 | copy ELF section type from .ctors/.dtors input sections. */ |
2606 | copy ELF section type from .ctors/.dtors input sections. */ |
2323 | if (abfd->direction != read_direction |
2607 | if (abfd->direction != read_direction |
2324 | || (sec->flags & SEC_LINKER_CREATED) != 0) |
2608 | || (sec->flags & SEC_LINKER_CREATED) != 0) |
2325 | { |
2609 | { |
2326 | ssect = (*bed->get_sec_type_attr) (abfd, sec); |
2610 | ssect = (*bed->get_sec_type_attr) (abfd, sec); |
2327 | if (ssect != NULL |
2611 | if (ssect != NULL |
2328 | && (!sec->flags |
2612 | && (!sec->flags |
2329 | || (sec->flags & SEC_LINKER_CREATED) != 0 |
2613 | || (sec->flags & SEC_LINKER_CREATED) != 0 |
2330 | || ssect->type == SHT_INIT_ARRAY |
2614 | || ssect->type == SHT_INIT_ARRAY |
2331 | || ssect->type == SHT_FINI_ARRAY)) |
2615 | || ssect->type == SHT_FINI_ARRAY)) |
2332 | { |
2616 | { |
2333 | elf_section_type (sec) = ssect->type; |
2617 | elf_section_type (sec) = ssect->type; |
2334 | elf_section_flags (sec) = ssect->attr; |
2618 | elf_section_flags (sec) = ssect->attr; |
2335 | } |
2619 | } |
2336 | } |
2620 | } |
2337 | 2621 | ||
2338 | return _bfd_generic_new_section_hook (abfd, sec); |
2622 | return _bfd_generic_new_section_hook (abfd, sec); |
2339 | } |
2623 | } |
2340 | 2624 | ||
2341 | /* Create a new bfd section from an ELF program header. |
2625 | /* Create a new bfd section from an ELF program header. |
2342 | 2626 | ||
2343 | Since program segments have no names, we generate a synthetic name |
2627 | Since program segments have no names, we generate a synthetic name |
2344 | of the form segment |
2628 | of the form segment |
2345 | program header table. For segments that are split (see below) we |
2629 | program header table. For segments that are split (see below) we |
2346 | generate the names segment |
2630 | generate the names segment |
2347 | 2631 | ||
2348 | Note that some program segments may have a file size that is different than |
2632 | Note that some program segments may have a file size that is different than |
2349 | (less than) the memory size. All this means is that at execution the |
2633 | (less than) the memory size. All this means is that at execution the |
2350 | system must allocate the amount of memory specified by the memory size, |
2634 | system must allocate the amount of memory specified by the memory size, |
2351 | but only initialize it with the first "file size" bytes read from the |
2635 | but only initialize it with the first "file size" bytes read from the |
2352 | file. This would occur for example, with program segments consisting |
2636 | file. This would occur for example, with program segments consisting |
2353 | of combined data+bss. |
2637 | of combined data+bss. |
2354 | 2638 | ||
2355 | To handle the above situation, this routine generates TWO bfd sections |
2639 | To handle the above situation, this routine generates TWO bfd sections |
2356 | for the single program segment. The first has the length specified by |
2640 | for the single program segment. The first has the length specified by |
2357 | the file size of the segment, and the second has the length specified |
2641 | the file size of the segment, and the second has the length specified |
2358 | by the difference between the two sizes. In effect, the segment is split |
2642 | by the difference between the two sizes. In effect, the segment is split |
2359 | into its initialized and uninitialized parts. |
2643 | into its initialized and uninitialized parts. |
2360 | 2644 | ||
2361 | */ |
2645 | */ |
2362 | 2646 | ||
2363 | bfd_boolean |
2647 | bfd_boolean |
2364 | _bfd_elf_make_section_from_phdr (bfd *abfd, |
2648 | _bfd_elf_make_section_from_phdr (bfd *abfd, |
2365 | Elf_Internal_Phdr *hdr, |
2649 | Elf_Internal_Phdr *hdr, |
2366 | int hdr_index, |
2650 | int hdr_index, |
2367 | const char *type_name) |
2651 | const char *type_name) |
2368 | { |
2652 | { |
2369 | asection *newsect; |
2653 | asection *newsect; |
2370 | char *name; |
2654 | char *name; |
2371 | char namebuf[64]; |
2655 | char namebuf[64]; |
2372 | size_t len; |
2656 | size_t len; |
2373 | int split; |
2657 | int split; |
2374 | 2658 | ||
2375 | split = ((hdr->p_memsz > 0) |
2659 | split = ((hdr->p_memsz > 0) |
2376 | && (hdr->p_filesz > 0) |
2660 | && (hdr->p_filesz > 0) |
2377 | && (hdr->p_memsz > hdr->p_filesz)); |
2661 | && (hdr->p_memsz > hdr->p_filesz)); |
2378 | 2662 | ||
2379 | if (hdr->p_filesz > 0) |
2663 | if (hdr->p_filesz > 0) |
2380 | { |
2664 | { |
2381 | sprintf (namebuf, "%s%d%s", type_name, hdr_index, split ? "a" : ""); |
2665 | sprintf (namebuf, "%s%d%s", type_name, hdr_index, split ? "a" : ""); |
2382 | len = strlen (namebuf) + 1; |
2666 | len = strlen (namebuf) + 1; |
2383 | name = (char *) bfd_alloc (abfd, len); |
2667 | name = (char *) bfd_alloc (abfd, len); |
2384 | if (!name) |
2668 | if (!name) |
2385 | return FALSE; |
2669 | return FALSE; |
2386 | memcpy (name, namebuf, len); |
2670 | memcpy (name, namebuf, len); |
2387 | newsect = bfd_make_section (abfd, name); |
2671 | newsect = bfd_make_section (abfd, name); |
2388 | if (newsect == NULL) |
2672 | if (newsect == NULL) |
2389 | return FALSE; |
2673 | return FALSE; |
2390 | newsect->vma = hdr->p_vaddr; |
2674 | newsect->vma = hdr->p_vaddr; |
2391 | newsect->lma = hdr->p_paddr; |
2675 | newsect->lma = hdr->p_paddr; |
2392 | newsect->size = hdr->p_filesz; |
2676 | newsect->size = hdr->p_filesz; |
2393 | newsect->filepos = hdr->p_offset; |
2677 | newsect->filepos = hdr->p_offset; |
2394 | newsect->flags |= SEC_HAS_CONTENTS; |
2678 | newsect->flags |= SEC_HAS_CONTENTS; |
2395 | newsect->alignment_power = bfd_log2 (hdr->p_align); |
2679 | newsect->alignment_power = bfd_log2 (hdr->p_align); |
2396 | if (hdr->p_type == PT_LOAD) |
2680 | if (hdr->p_type == PT_LOAD) |
2397 | { |
2681 | { |
2398 | newsect->flags |= SEC_ALLOC; |
2682 | newsect->flags |= SEC_ALLOC; |
2399 | newsect->flags |= SEC_LOAD; |
2683 | newsect->flags |= SEC_LOAD; |
2400 | if (hdr->p_flags & PF_X) |
2684 | if (hdr->p_flags & PF_X) |
2401 | { |
2685 | { |
2402 | /* FIXME: all we known is that it has execute PERMISSION, |
2686 | /* FIXME: all we known is that it has execute PERMISSION, |
2403 | may be data. */ |
2687 | may be data. */ |
2404 | newsect->flags |= SEC_CODE; |
2688 | newsect->flags |= SEC_CODE; |
2405 | } |
2689 | } |
2406 | } |
2690 | } |
2407 | if (!(hdr->p_flags & PF_W)) |
2691 | if (!(hdr->p_flags & PF_W)) |
2408 | { |
2692 | { |
2409 | newsect->flags |= SEC_READONLY; |
2693 | newsect->flags |= SEC_READONLY; |
2410 | } |
2694 | } |
2411 | } |
2695 | } |
2412 | 2696 | ||
2413 | if (hdr->p_memsz > hdr->p_filesz) |
2697 | if (hdr->p_memsz > hdr->p_filesz) |
2414 | { |
2698 | { |
2415 | bfd_vma align; |
2699 | bfd_vma align; |
2416 | 2700 | ||
2417 | sprintf (namebuf, "%s%d%s", type_name, hdr_index, split ? "b" : ""); |
2701 | sprintf (namebuf, "%s%d%s", type_name, hdr_index, split ? "b" : ""); |
2418 | len = strlen (namebuf) + 1; |
2702 | len = strlen (namebuf) + 1; |
2419 | name = (char *) bfd_alloc (abfd, len); |
2703 | name = (char *) bfd_alloc (abfd, len); |
2420 | if (!name) |
2704 | if (!name) |
2421 | return FALSE; |
2705 | return FALSE; |
2422 | memcpy (name, namebuf, len); |
2706 | memcpy (name, namebuf, len); |
2423 | newsect = bfd_make_section (abfd, name); |
2707 | newsect = bfd_make_section (abfd, name); |
2424 | if (newsect == NULL) |
2708 | if (newsect == NULL) |
2425 | return FALSE; |
2709 | return FALSE; |
2426 | newsect->vma = hdr->p_vaddr + hdr->p_filesz; |
2710 | newsect->vma = hdr->p_vaddr + hdr->p_filesz; |
2427 | newsect->lma = hdr->p_paddr + hdr->p_filesz; |
2711 | newsect->lma = hdr->p_paddr + hdr->p_filesz; |
2428 | newsect->size = hdr->p_memsz - hdr->p_filesz; |
2712 | newsect->size = hdr->p_memsz - hdr->p_filesz; |
2429 | newsect->filepos = hdr->p_offset + hdr->p_filesz; |
2713 | newsect->filepos = hdr->p_offset + hdr->p_filesz; |
2430 | align = newsect->vma & -newsect->vma; |
2714 | align = newsect->vma & -newsect->vma; |
2431 | if (align == 0 || align > hdr->p_align) |
2715 | if (align == 0 || align > hdr->p_align) |
2432 | align = hdr->p_align; |
2716 | align = hdr->p_align; |
2433 | newsect->alignment_power = bfd_log2 (align); |
2717 | newsect->alignment_power = bfd_log2 (align); |
2434 | if (hdr->p_type == PT_LOAD) |
2718 | if (hdr->p_type == PT_LOAD) |
2435 | { |
2719 | { |
2436 | /* Hack for gdb. Segments that have not been modified do |
2720 | /* Hack for gdb. Segments that have not been modified do |
2437 | not have their contents written to a core file, on the |
2721 | not have their contents written to a core file, on the |
2438 | assumption that a debugger can find the contents in the |
2722 | assumption that a debugger can find the contents in the |
2439 | executable. We flag this case by setting the fake |
2723 | executable. We flag this case by setting the fake |
2440 | section size to zero. Note that "real" bss sections will |
2724 | section size to zero. Note that "real" bss sections will |
2441 | always have their contents dumped to the core file. */ |
2725 | always have their contents dumped to the core file. */ |
2442 | if (bfd_get_format (abfd) == bfd_core) |
2726 | if (bfd_get_format (abfd) == bfd_core) |
2443 | newsect->size = 0; |
2727 | newsect->size = 0; |
2444 | newsect->flags |= SEC_ALLOC; |
2728 | newsect->flags |= SEC_ALLOC; |
2445 | if (hdr->p_flags & PF_X) |
2729 | if (hdr->p_flags & PF_X) |
2446 | newsect->flags |= SEC_CODE; |
2730 | newsect->flags |= SEC_CODE; |
2447 | } |
2731 | } |
2448 | if (!(hdr->p_flags & PF_W)) |
2732 | if (!(hdr->p_flags & PF_W)) |
2449 | newsect->flags |= SEC_READONLY; |
2733 | newsect->flags |= SEC_READONLY; |
2450 | } |
2734 | } |
2451 | 2735 | ||
2452 | return TRUE; |
2736 | return TRUE; |
2453 | } |
2737 | } |
2454 | 2738 | ||
2455 | bfd_boolean |
2739 | bfd_boolean |
2456 | bfd_section_from_phdr (bfd *abfd, Elf_Internal_Phdr *hdr, int hdr_index) |
2740 | bfd_section_from_phdr (bfd *abfd, Elf_Internal_Phdr *hdr, int hdr_index) |
2457 | { |
2741 | { |
2458 | const struct elf_backend_data *bed; |
2742 | const struct elf_backend_data *bed; |
2459 | 2743 | ||
2460 | switch (hdr->p_type) |
2744 | switch (hdr->p_type) |
2461 | { |
2745 | { |
2462 | case PT_NULL: |
2746 | case PT_NULL: |
2463 | return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "null"); |
2747 | return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "null"); |
2464 | 2748 | ||
2465 | case PT_LOAD: |
2749 | case PT_LOAD: |
2466 | return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "load"); |
2750 | return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "load"); |
2467 | 2751 | ||
2468 | case PT_DYNAMIC: |
2752 | case PT_DYNAMIC: |
2469 | return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "dynamic"); |
2753 | return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "dynamic"); |
2470 | 2754 | ||
2471 | case PT_INTERP: |
2755 | case PT_INTERP: |
2472 | return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "interp"); |
2756 | return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "interp"); |
2473 | 2757 | ||
2474 | case PT_NOTE: |
2758 | case PT_NOTE: |
2475 | if (! _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "note")) |
2759 | if (! _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "note")) |
2476 | return FALSE; |
2760 | return FALSE; |
2477 | if (! elf_read_notes (abfd, hdr->p_offset, hdr->p_filesz)) |
2761 | if (! elf_read_notes (abfd, hdr->p_offset, hdr->p_filesz)) |
2478 | return FALSE; |
2762 | return FALSE; |
2479 | return TRUE; |
2763 | return TRUE; |
2480 | 2764 | ||
2481 | case PT_SHLIB: |
2765 | case PT_SHLIB: |
2482 | return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "shlib"); |
2766 | return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "shlib"); |
2483 | 2767 | ||
2484 | case PT_PHDR: |
2768 | case PT_PHDR: |
2485 | return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "phdr"); |
2769 | return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "phdr"); |
2486 | 2770 | ||
2487 | case PT_GNU_EH_FRAME: |
2771 | case PT_GNU_EH_FRAME: |
2488 | return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, |
2772 | return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, |
2489 | "eh_frame_hdr"); |
2773 | "eh_frame_hdr"); |
2490 | 2774 | ||
2491 | case PT_GNU_STACK: |
2775 | case PT_GNU_STACK: |
2492 | return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "stack"); |
2776 | return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "stack"); |
2493 | 2777 | ||
2494 | case PT_GNU_RELRO: |
2778 | case PT_GNU_RELRO: |
2495 | return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "relro"); |
2779 | return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "relro"); |
2496 | 2780 | ||
2497 | default: |
2781 | default: |
2498 | /* Check for any processor-specific program segment types. */ |
2782 | /* Check for any processor-specific program segment types. */ |
2499 | bed = get_elf_backend_data (abfd); |
2783 | bed = get_elf_backend_data (abfd); |
2500 | return bed->elf_backend_section_from_phdr (abfd, hdr, hdr_index, "proc"); |
2784 | return bed->elf_backend_section_from_phdr (abfd, hdr, hdr_index, "proc"); |
2501 | } |
2785 | } |
2502 | } |
2786 | } |
2503 | 2787 | ||
2504 | /* Return the REL_HDR for SEC, assuming there is only a single one, either |
2788 | /* Return the REL_HDR for SEC, assuming there is only a single one, either |
2505 | REL or RELA. */ |
2789 | REL or RELA. */ |
2506 | 2790 | ||
2507 | Elf_Internal_Shdr * |
2791 | Elf_Internal_Shdr * |
2508 | _bfd_elf_single_rel_hdr (asection *sec) |
2792 | _bfd_elf_single_rel_hdr (asection *sec) |
2509 | { |
2793 | { |
2510 | if (elf_section_data (sec)->rel.hdr) |
2794 | if (elf_section_data (sec)->rel.hdr) |
2511 | { |
2795 | { |
2512 | BFD_ASSERT (elf_section_data (sec)->rela.hdr == NULL); |
2796 | BFD_ASSERT (elf_section_data (sec)->rela.hdr == NULL); |
2513 | return elf_section_data (sec)->rel.hdr; |
2797 | return elf_section_data (sec)->rel.hdr; |
2514 | } |
2798 | } |
2515 | else |
2799 | else |
2516 | return elf_section_data (sec)->rela.hdr; |
2800 | return elf_section_data (sec)->rela.hdr; |
2517 | } |
2801 | } |
- | 2802 | ||
- | 2803 | static bfd_boolean |
|
- | 2804 | _bfd_elf_set_reloc_sh_name (bfd *abfd, |
|
- | 2805 | Elf_Internal_Shdr *rel_hdr, |
|
- | 2806 | const char *sec_name, |
|
- | 2807 | bfd_boolean use_rela_p) |
|
- | 2808 | { |
|
- | 2809 | char *name = (char *) bfd_alloc (abfd, |
|
- | 2810 | sizeof ".rela" + strlen (sec_name)); |
|
- | 2811 | if (name == NULL) |
|
- | 2812 | return FALSE; |
|
- | 2813 | ||
- | 2814 | sprintf (name, "%s%s", use_rela_p ? ".rela" : ".rel", sec_name); |
|
- | 2815 | rel_hdr->sh_name = |
|
- | 2816 | (unsigned int) _bfd_elf_strtab_add (elf_shstrtab (abfd), name, |
|
- | 2817 | FALSE); |
|
- | 2818 | if (rel_hdr->sh_name == (unsigned int) -1) |
|
- | 2819 | return FALSE; |
|
- | 2820 | ||
- | 2821 | return TRUE; |
|
- | 2822 | } |
|
2518 | 2823 | ||
2519 | /* Allocate and initialize a section-header for a new reloc section, |
2824 | /* Allocate and initialize a section-header for a new reloc section, |
2520 | containing relocations against ASECT. It is stored in RELDATA. If |
2825 | containing relocations against ASECT. It is stored in RELDATA. If |
2521 | USE_RELA_P is TRUE, we use RELA relocations; otherwise, we use REL |
2826 | USE_RELA_P is TRUE, we use RELA relocations; otherwise, we use REL |
2522 | relocations. */ |
2827 | relocations. */ |
2523 | 2828 | ||
2524 | static bfd_boolean |
2829 | static bfd_boolean |
2525 | _bfd_elf_init_reloc_shdr (bfd *abfd, |
2830 | _bfd_elf_init_reloc_shdr (bfd *abfd, |
2526 | struct bfd_elf_section_reloc_data *reldata, |
2831 | struct bfd_elf_section_reloc_data *reldata, |
2527 | asection *asect, |
2832 | const char *sec_name, |
2528 | bfd_boolean use_rela_p) |
2833 | bfd_boolean use_rela_p, |
- | 2834 | bfd_boolean delay_st_name_p) |
|
2529 | { |
2835 | { |
2530 | Elf_Internal_Shdr *rel_hdr; |
2836 | Elf_Internal_Shdr *rel_hdr; |
2531 | char *name; |
- | |
2532 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
2837 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
2533 | bfd_size_type amt; |
2838 | bfd_size_type amt; |
2534 | 2839 | ||
2535 | amt = sizeof (Elf_Internal_Shdr); |
2840 | amt = sizeof (Elf_Internal_Shdr); |
2536 | BFD_ASSERT (reldata->hdr == NULL); |
2841 | BFD_ASSERT (reldata->hdr == NULL); |
2537 | rel_hdr = bfd_zalloc (abfd, amt); |
2842 | rel_hdr = bfd_zalloc (abfd, amt); |
2538 | reldata->hdr = rel_hdr; |
2843 | reldata->hdr = rel_hdr; |
2539 | - | ||
2540 | amt = sizeof ".rela" + strlen (asect->name); |
- | |
2541 | name = (char *) bfd_alloc (abfd, amt); |
2844 | |
2542 | if (name == NULL) |
- | |
2543 | return FALSE; |
- | |
2544 | sprintf (name, "%s%s", use_rela_p ? ".rela" : ".rel", asect->name); |
2845 | if (delay_st_name_p) |
2545 | rel_hdr->sh_name = |
2846 | rel_hdr->sh_name = (unsigned int) -1; |
2546 | (unsigned int) _bfd_elf_strtab_add (elf_shstrtab (abfd), name, |
2847 | else if (!_bfd_elf_set_reloc_sh_name (abfd, rel_hdr, sec_name, |
2547 | FALSE); |
- | |
2548 | if (rel_hdr->sh_name == (unsigned int) -1) |
2848 | use_rela_p)) |
2549 | return FALSE; |
2849 | return FALSE; |
2550 | rel_hdr->sh_type = use_rela_p ? SHT_RELA : SHT_REL; |
2850 | rel_hdr->sh_type = use_rela_p ? SHT_RELA : SHT_REL; |
2551 | rel_hdr->sh_entsize = (use_rela_p |
2851 | rel_hdr->sh_entsize = (use_rela_p |
2552 | ? bed->s->sizeof_rela |
2852 | ? bed->s->sizeof_rela |
2553 | : bed->s->sizeof_rel); |
2853 | : bed->s->sizeof_rel); |
2554 | rel_hdr->sh_addralign = (bfd_vma) 1 << bed->s->log_file_align; |
2854 | rel_hdr->sh_addralign = (bfd_vma) 1 << bed->s->log_file_align; |
2555 | rel_hdr->sh_flags = 0; |
2855 | rel_hdr->sh_flags = 0; |
2556 | rel_hdr->sh_addr = 0; |
2856 | rel_hdr->sh_addr = 0; |
2557 | rel_hdr->sh_size = 0; |
2857 | rel_hdr->sh_size = 0; |
2558 | rel_hdr->sh_offset = 0; |
2858 | rel_hdr->sh_offset = 0; |
2559 | 2859 | ||
2560 | return TRUE; |
2860 | return TRUE; |
2561 | } |
2861 | } |
2562 | 2862 | ||
2563 | /* Return the default section type based on the passed in section flags. */ |
2863 | /* Return the default section type based on the passed in section flags. */ |
2564 | 2864 | ||
2565 | int |
2865 | int |
2566 | bfd_elf_get_default_section_type (flagword flags) |
2866 | bfd_elf_get_default_section_type (flagword flags) |
2567 | { |
2867 | { |
2568 | if ((flags & SEC_ALLOC) != 0 |
2868 | if ((flags & SEC_ALLOC) != 0 |
2569 | && (flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) |
2869 | && (flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) |
2570 | return SHT_NOBITS; |
2870 | return SHT_NOBITS; |
2571 | return SHT_PROGBITS; |
2871 | return SHT_PROGBITS; |
2572 | } |
2872 | } |
2573 | 2873 | ||
2574 | struct fake_section_arg |
2874 | struct fake_section_arg |
2575 | { |
2875 | { |
2576 | struct bfd_link_info *link_info; |
2876 | struct bfd_link_info *link_info; |
2577 | bfd_boolean failed; |
2877 | bfd_boolean failed; |
2578 | }; |
2878 | }; |
2579 | 2879 | ||
2580 | /* Set up an ELF internal section header for a section. */ |
2880 | /* Set up an ELF internal section header for a section. */ |
2581 | 2881 | ||
2582 | static void |
2882 | static void |
2583 | elf_fake_sections (bfd *abfd, asection *asect, void *fsarg) |
2883 | elf_fake_sections (bfd *abfd, asection *asect, void *fsarg) |
2584 | { |
2884 | { |
2585 | struct fake_section_arg *arg = (struct fake_section_arg *)fsarg; |
2885 | struct fake_section_arg *arg = (struct fake_section_arg *)fsarg; |
2586 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
2886 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
2587 | struct bfd_elf_section_data *esd = elf_section_data (asect); |
2887 | struct bfd_elf_section_data *esd = elf_section_data (asect); |
2588 | Elf_Internal_Shdr *this_hdr; |
2888 | Elf_Internal_Shdr *this_hdr; |
2589 | unsigned int sh_type; |
2889 | unsigned int sh_type; |
- | 2890 | const char *name = asect->name; |
|
- | 2891 | bfd_boolean delay_st_name_p = FALSE; |
|
2590 | 2892 | ||
2591 | if (arg->failed) |
2893 | if (arg->failed) |
2592 | { |
2894 | { |
2593 | /* We already failed; just get out of the bfd_map_over_sections |
2895 | /* We already failed; just get out of the bfd_map_over_sections |
2594 | loop. */ |
2896 | loop. */ |
2595 | return; |
2897 | return; |
2596 | } |
2898 | } |
2597 | 2899 | ||
2598 | this_hdr = &esd->this_hdr; |
2900 | this_hdr = &esd->this_hdr; |
- | 2901 | ||
- | 2902 | if (arg->link_info) |
|
- | 2903 | { |
|
- | 2904 | /* ld: compress DWARF debug sections with names: .debug_*. */ |
|
- | 2905 | if ((arg->link_info->compress_debug & COMPRESS_DEBUG) |
|
- | 2906 | && (asect->flags & SEC_DEBUGGING) |
|
- | 2907 | && name[1] == 'd' |
|
- | 2908 | && name[6] == '_') |
|
- | 2909 | { |
|
- | 2910 | /* Set SEC_ELF_COMPRESS to indicate this section should be |
|
- | 2911 | compressed. */ |
|
- | 2912 | asect->flags |= SEC_ELF_COMPRESS; |
|
- | 2913 | ||
- | 2914 | /* If this section will be compressed, delay adding setion |
|
- | 2915 | name to section name section after it is compressed in |
|
- | 2916 | _bfd_elf_assign_file_positions_for_non_load. */ |
|
- | 2917 | delay_st_name_p = TRUE; |
|
- | 2918 | } |
|
- | 2919 | } |
|
- | 2920 | else if ((asect->flags & SEC_ELF_RENAME)) |
|
- | 2921 | { |
|
- | 2922 | /* objcopy: rename output DWARF debug section. */ |
|
- | 2923 | if ((abfd->flags & (BFD_DECOMPRESS | BFD_COMPRESS_GABI))) |
|
- | 2924 | { |
|
- | 2925 | /* When we decompress or compress with SHF_COMPRESSED, |
|
- | 2926 | convert section name from .zdebug_* to .debug_* if |
|
- | 2927 | needed. */ |
|
- | 2928 | if (name[1] == 'z') |
|
- | 2929 | { |
|
- | 2930 | char *new_name = convert_zdebug_to_debug (abfd, name); |
|
- | 2931 | if (new_name == NULL) |
|
- | 2932 | { |
|
- | 2933 | arg->failed = TRUE; |
|
- | 2934 | return; |
|
- | 2935 | } |
|
- | 2936 | name = new_name; |
|
- | 2937 | } |
|
- | 2938 | } |
|
- | 2939 | else if (asect->compress_status == COMPRESS_SECTION_DONE) |
|
- | 2940 | { |
|
- | 2941 | /* PR binutils/18087: Compression does not always make a |
|
- | 2942 | section smaller. So only rename the section when |
|
- | 2943 | compression has actually taken place. If input section |
|
- | 2944 | name is .zdebug_*, we should never compress it again. */ |
|
- | 2945 | char *new_name = convert_debug_to_zdebug (abfd, name); |
|
- | 2946 | if (new_name == NULL) |
|
- | 2947 | { |
|
- | 2948 | arg->failed = TRUE; |
|
- | 2949 | return; |
|
- | 2950 | } |
|
- | 2951 | BFD_ASSERT (name[1] != 'z'); |
|
- | 2952 | name = new_name; |
|
- | 2953 | } |
|
- | 2954 | } |
|
- | 2955 | ||
- | 2956 | if (delay_st_name_p) |
|
- | 2957 | this_hdr->sh_name = (unsigned int) -1; |
|
- | 2958 | else |
|
- | 2959 | { |
|
2599 | 2960 | this_hdr->sh_name |
|
2600 | this_hdr->sh_name = (unsigned int) _bfd_elf_strtab_add (elf_shstrtab (abfd), |
2961 | = (unsigned int) _bfd_elf_strtab_add (elf_shstrtab (abfd), |
2601 | asect->name, FALSE); |
2962 | name, FALSE); |
2602 | if (this_hdr->sh_name == (unsigned int) -1) |
2963 | if (this_hdr->sh_name == (unsigned int) -1) |
2603 | { |
2964 | { |
2604 | arg->failed = TRUE; |
2965 | arg->failed = TRUE; |
2605 | return; |
2966 | return; |
2606 | } |
2967 | } |
- | 2968 | } |
|
2607 | 2969 | ||
2608 | /* Don't clear sh_flags. Assembler may set additional bits. */ |
2970 | /* Don't clear sh_flags. Assembler may set additional bits. */ |
2609 | 2971 | ||
2610 | if ((asect->flags & SEC_ALLOC) != 0 |
2972 | if ((asect->flags & SEC_ALLOC) != 0 |
2611 | || asect->user_set_vma) |
2973 | || asect->user_set_vma) |
2612 | this_hdr->sh_addr = asect->vma; |
2974 | this_hdr->sh_addr = asect->vma; |
2613 | else |
2975 | else |
2614 | this_hdr->sh_addr = 0; |
2976 | this_hdr->sh_addr = 0; |
2615 | 2977 | ||
2616 | this_hdr->sh_offset = 0; |
2978 | this_hdr->sh_offset = 0; |
2617 | this_hdr->sh_size = asect->size; |
2979 | this_hdr->sh_size = asect->size; |
2618 | this_hdr->sh_link = 0; |
2980 | this_hdr->sh_link = 0; |
- | 2981 | /* PR 17512: file: 0eb809fe, 8b0535ee. */ |
|
- | 2982 | if (asect->alignment_power >= (sizeof (bfd_vma) * 8) - 1) |
|
- | 2983 | { |
|
- | 2984 | (*_bfd_error_handler) |
|
- | 2985 | (_("%B: error: Alignment power %d of section `%A' is too big"), |
|
- | 2986 | abfd, asect, asect->alignment_power); |
|
- | 2987 | arg->failed = TRUE; |
|
- | 2988 | return; |
|
- | 2989 | } |
|
2619 | this_hdr->sh_addralign = (bfd_vma) 1 << asect->alignment_power; |
2990 | this_hdr->sh_addralign = (bfd_vma) 1 << asect->alignment_power; |
2620 | /* The sh_entsize and sh_info fields may have been set already by |
2991 | /* The sh_entsize and sh_info fields may have been set already by |
2621 | copy_private_section_data. */ |
2992 | copy_private_section_data. */ |
2622 | 2993 | ||
2623 | this_hdr->bfd_section = asect; |
2994 | this_hdr->bfd_section = asect; |
2624 | this_hdr->contents = NULL; |
2995 | this_hdr->contents = NULL; |
2625 | 2996 | ||
2626 | /* If the section type is unspecified, we set it based on |
2997 | /* If the section type is unspecified, we set it based on |
2627 | asect->flags. */ |
2998 | asect->flags. */ |
2628 | if ((asect->flags & SEC_GROUP) != 0) |
2999 | if ((asect->flags & SEC_GROUP) != 0) |
2629 | sh_type = SHT_GROUP; |
3000 | sh_type = SHT_GROUP; |
2630 | else |
3001 | else |
2631 | sh_type = bfd_elf_get_default_section_type (asect->flags); |
3002 | sh_type = bfd_elf_get_default_section_type (asect->flags); |
2632 | 3003 | ||
2633 | if (this_hdr->sh_type == SHT_NULL) |
3004 | if (this_hdr->sh_type == SHT_NULL) |
2634 | this_hdr->sh_type = sh_type; |
3005 | this_hdr->sh_type = sh_type; |
2635 | else if (this_hdr->sh_type == SHT_NOBITS |
3006 | else if (this_hdr->sh_type == SHT_NOBITS |
2636 | && sh_type == SHT_PROGBITS |
3007 | && sh_type == SHT_PROGBITS |
2637 | && (asect->flags & SEC_ALLOC) != 0) |
3008 | && (asect->flags & SEC_ALLOC) != 0) |
2638 | { |
3009 | { |
2639 | /* Warn if we are changing a NOBITS section to PROGBITS, but |
3010 | /* Warn if we are changing a NOBITS section to PROGBITS, but |
2640 | allow the link to proceed. This can happen when users link |
3011 | allow the link to proceed. This can happen when users link |
2641 | non-bss input sections to bss output sections, or emit data |
3012 | non-bss input sections to bss output sections, or emit data |
2642 | to a bss output section via a linker script. */ |
3013 | to a bss output section via a linker script. */ |
2643 | (*_bfd_error_handler) |
3014 | (*_bfd_error_handler) |
2644 | (_("warning: section `%A' type changed to PROGBITS"), asect); |
3015 | (_("warning: section `%A' type changed to PROGBITS"), asect); |
2645 | this_hdr->sh_type = sh_type; |
3016 | this_hdr->sh_type = sh_type; |
2646 | } |
3017 | } |
2647 | 3018 | ||
2648 | switch (this_hdr->sh_type) |
3019 | switch (this_hdr->sh_type) |
2649 | { |
3020 | { |
2650 | default: |
3021 | default: |
2651 | break; |
3022 | break; |
2652 | 3023 | ||
2653 | case SHT_STRTAB: |
3024 | case SHT_STRTAB: |
2654 | case SHT_INIT_ARRAY: |
3025 | case SHT_INIT_ARRAY: |
2655 | case SHT_FINI_ARRAY: |
3026 | case SHT_FINI_ARRAY: |
2656 | case SHT_PREINIT_ARRAY: |
3027 | case SHT_PREINIT_ARRAY: |
2657 | case SHT_NOTE: |
3028 | case SHT_NOTE: |
2658 | case SHT_NOBITS: |
3029 | case SHT_NOBITS: |
2659 | case SHT_PROGBITS: |
3030 | case SHT_PROGBITS: |
2660 | break; |
3031 | break; |
2661 | 3032 | ||
2662 | case SHT_HASH: |
3033 | case SHT_HASH: |
2663 | this_hdr->sh_entsize = bed->s->sizeof_hash_entry; |
3034 | this_hdr->sh_entsize = bed->s->sizeof_hash_entry; |
2664 | break; |
3035 | break; |
2665 | 3036 | ||
2666 | case SHT_DYNSYM: |
3037 | case SHT_DYNSYM: |
2667 | this_hdr->sh_entsize = bed->s->sizeof_sym; |
3038 | this_hdr->sh_entsize = bed->s->sizeof_sym; |
2668 | break; |
3039 | break; |
2669 | 3040 | ||
2670 | case SHT_DYNAMIC: |
3041 | case SHT_DYNAMIC: |
2671 | this_hdr->sh_entsize = bed->s->sizeof_dyn; |
3042 | this_hdr->sh_entsize = bed->s->sizeof_dyn; |
2672 | break; |
3043 | break; |
2673 | 3044 | ||
2674 | case SHT_RELA: |
3045 | case SHT_RELA: |
2675 | if (get_elf_backend_data (abfd)->may_use_rela_p) |
3046 | if (get_elf_backend_data (abfd)->may_use_rela_p) |
2676 | this_hdr->sh_entsize = bed->s->sizeof_rela; |
3047 | this_hdr->sh_entsize = bed->s->sizeof_rela; |
2677 | break; |
3048 | break; |
2678 | 3049 | ||
2679 | case SHT_REL: |
3050 | case SHT_REL: |
2680 | if (get_elf_backend_data (abfd)->may_use_rel_p) |
3051 | if (get_elf_backend_data (abfd)->may_use_rel_p) |
2681 | this_hdr->sh_entsize = bed->s->sizeof_rel; |
3052 | this_hdr->sh_entsize = bed->s->sizeof_rel; |
2682 | break; |
3053 | break; |
2683 | 3054 | ||
2684 | case SHT_GNU_versym: |
3055 | case SHT_GNU_versym: |
2685 | this_hdr->sh_entsize = sizeof (Elf_External_Versym); |
3056 | this_hdr->sh_entsize = sizeof (Elf_External_Versym); |
2686 | break; |
3057 | break; |
2687 | 3058 | ||
2688 | case SHT_GNU_verdef: |
3059 | case SHT_GNU_verdef: |
2689 | this_hdr->sh_entsize = 0; |
3060 | this_hdr->sh_entsize = 0; |
2690 | /* objcopy or strip will copy over sh_info, but may not set |
3061 | /* objcopy or strip will copy over sh_info, but may not set |
2691 | cverdefs. The linker will set cverdefs, but sh_info will be |
3062 | cverdefs. The linker will set cverdefs, but sh_info will be |
2692 | zero. */ |
3063 | zero. */ |
2693 | if (this_hdr->sh_info == 0) |
3064 | if (this_hdr->sh_info == 0) |
2694 | this_hdr->sh_info = elf_tdata (abfd)->cverdefs; |
3065 | this_hdr->sh_info = elf_tdata (abfd)->cverdefs; |
2695 | else |
3066 | else |
2696 | BFD_ASSERT (elf_tdata (abfd)->cverdefs == 0 |
3067 | BFD_ASSERT (elf_tdata (abfd)->cverdefs == 0 |
2697 | || this_hdr->sh_info == elf_tdata (abfd)->cverdefs); |
3068 | || this_hdr->sh_info == elf_tdata (abfd)->cverdefs); |
2698 | break; |
3069 | break; |
2699 | 3070 | ||
2700 | case SHT_GNU_verneed: |
3071 | case SHT_GNU_verneed: |
2701 | this_hdr->sh_entsize = 0; |
3072 | this_hdr->sh_entsize = 0; |
2702 | /* objcopy or strip will copy over sh_info, but may not set |
3073 | /* objcopy or strip will copy over sh_info, but may not set |
2703 | cverrefs. The linker will set cverrefs, but sh_info will be |
3074 | cverrefs. The linker will set cverrefs, but sh_info will be |
2704 | zero. */ |
3075 | zero. */ |
2705 | if (this_hdr->sh_info == 0) |
3076 | if (this_hdr->sh_info == 0) |
2706 | this_hdr->sh_info = elf_tdata (abfd)->cverrefs; |
3077 | this_hdr->sh_info = elf_tdata (abfd)->cverrefs; |
2707 | else |
3078 | else |
2708 | BFD_ASSERT (elf_tdata (abfd)->cverrefs == 0 |
3079 | BFD_ASSERT (elf_tdata (abfd)->cverrefs == 0 |
2709 | || this_hdr->sh_info == elf_tdata (abfd)->cverrefs); |
3080 | || this_hdr->sh_info == elf_tdata (abfd)->cverrefs); |
2710 | break; |
3081 | break; |
2711 | 3082 | ||
2712 | case SHT_GROUP: |
3083 | case SHT_GROUP: |
2713 | this_hdr->sh_entsize = GRP_ENTRY_SIZE; |
3084 | this_hdr->sh_entsize = GRP_ENTRY_SIZE; |
2714 | break; |
3085 | break; |
2715 | 3086 | ||
2716 | case SHT_GNU_HASH: |
3087 | case SHT_GNU_HASH: |
2717 | this_hdr->sh_entsize = bed->s->arch_size == 64 ? 0 : 4; |
3088 | this_hdr->sh_entsize = bed->s->arch_size == 64 ? 0 : 4; |
2718 | break; |
3089 | break; |
2719 | } |
3090 | } |
2720 | 3091 | ||
2721 | if ((asect->flags & SEC_ALLOC) != 0) |
3092 | if ((asect->flags & SEC_ALLOC) != 0) |
2722 | this_hdr->sh_flags |= SHF_ALLOC; |
3093 | this_hdr->sh_flags |= SHF_ALLOC; |
2723 | if ((asect->flags & SEC_READONLY) == 0) |
3094 | if ((asect->flags & SEC_READONLY) == 0) |
2724 | this_hdr->sh_flags |= SHF_WRITE; |
3095 | this_hdr->sh_flags |= SHF_WRITE; |
2725 | if ((asect->flags & SEC_CODE) != 0) |
3096 | if ((asect->flags & SEC_CODE) != 0) |
2726 | this_hdr->sh_flags |= SHF_EXECINSTR; |
3097 | this_hdr->sh_flags |= SHF_EXECINSTR; |
2727 | if ((asect->flags & SEC_MERGE) != 0) |
3098 | if ((asect->flags & SEC_MERGE) != 0) |
2728 | { |
3099 | { |
2729 | this_hdr->sh_flags |= SHF_MERGE; |
3100 | this_hdr->sh_flags |= SHF_MERGE; |
2730 | this_hdr->sh_entsize = asect->entsize; |
3101 | this_hdr->sh_entsize = asect->entsize; |
2731 | if ((asect->flags & SEC_STRINGS) != 0) |
3102 | if ((asect->flags & SEC_STRINGS) != 0) |
2732 | this_hdr->sh_flags |= SHF_STRINGS; |
3103 | this_hdr->sh_flags |= SHF_STRINGS; |
2733 | } |
3104 | } |
2734 | if ((asect->flags & SEC_GROUP) == 0 && elf_group_name (asect) != NULL) |
3105 | if ((asect->flags & SEC_GROUP) == 0 && elf_group_name (asect) != NULL) |
2735 | this_hdr->sh_flags |= SHF_GROUP; |
3106 | this_hdr->sh_flags |= SHF_GROUP; |
2736 | if ((asect->flags & SEC_THREAD_LOCAL) != 0) |
3107 | if ((asect->flags & SEC_THREAD_LOCAL) != 0) |
2737 | { |
3108 | { |
2738 | this_hdr->sh_flags |= SHF_TLS; |
3109 | this_hdr->sh_flags |= SHF_TLS; |
2739 | if (asect->size == 0 |
3110 | if (asect->size == 0 |
2740 | && (asect->flags & SEC_HAS_CONTENTS) == 0) |
3111 | && (asect->flags & SEC_HAS_CONTENTS) == 0) |
2741 | { |
3112 | { |
2742 | struct bfd_link_order *o = asect->map_tail.link_order; |
3113 | struct bfd_link_order *o = asect->map_tail.link_order; |
2743 | 3114 | ||
2744 | this_hdr->sh_size = 0; |
3115 | this_hdr->sh_size = 0; |
2745 | if (o != NULL) |
3116 | if (o != NULL) |
2746 | { |
3117 | { |
2747 | this_hdr->sh_size = o->offset + o->size; |
3118 | this_hdr->sh_size = o->offset + o->size; |
2748 | if (this_hdr->sh_size != 0) |
3119 | if (this_hdr->sh_size != 0) |
2749 | this_hdr->sh_type = SHT_NOBITS; |
3120 | this_hdr->sh_type = SHT_NOBITS; |
2750 | } |
3121 | } |
2751 | } |
3122 | } |
2752 | } |
3123 | } |
2753 | if ((asect->flags & (SEC_GROUP | SEC_EXCLUDE)) == SEC_EXCLUDE) |
3124 | if ((asect->flags & (SEC_GROUP | SEC_EXCLUDE)) == SEC_EXCLUDE) |
2754 | this_hdr->sh_flags |= SHF_EXCLUDE; |
3125 | this_hdr->sh_flags |= SHF_EXCLUDE; |
2755 | 3126 | ||
2756 | /* If the section has relocs, set up a section header for the |
3127 | /* If the section has relocs, set up a section header for the |
2757 | SHT_REL[A] section. If two relocation sections are required for |
3128 | SHT_REL[A] section. If two relocation sections are required for |
2758 | this section, it is up to the processor-specific back-end to |
3129 | this section, it is up to the processor-specific back-end to |
2759 | create the other. */ |
3130 | create the other. */ |
2760 | if ((asect->flags & SEC_RELOC) != 0) |
3131 | if ((asect->flags & SEC_RELOC) != 0) |
2761 | { |
3132 | { |
2762 | /* When doing a relocatable link, create both REL and RELA sections if |
3133 | /* When doing a relocatable link, create both REL and RELA sections if |
2763 | needed. */ |
3134 | needed. */ |
2764 | if (arg->link_info |
3135 | if (arg->link_info |
2765 | /* Do the normal setup if we wouldn't create any sections here. */ |
3136 | /* Do the normal setup if we wouldn't create any sections here. */ |
2766 | && esd->rel.count + esd->rela.count > 0 |
3137 | && esd->rel.count + esd->rela.count > 0 |
- | 3138 | && (bfd_link_relocatable (arg->link_info) |
|
2767 | && (arg->link_info->relocatable || arg->link_info->emitrelocations)) |
3139 | || arg->link_info->emitrelocations)) |
2768 | { |
3140 | { |
2769 | if (esd->rel.count && esd->rel.hdr == NULL |
3141 | if (esd->rel.count && esd->rel.hdr == NULL |
2770 | && !_bfd_elf_init_reloc_shdr (abfd, &esd->rel, asect, FALSE)) |
3142 | && !_bfd_elf_init_reloc_shdr (abfd, &esd->rel, name, FALSE, |
- | 3143 | delay_st_name_p)) |
|
2771 | { |
3144 | { |
2772 | arg->failed = TRUE; |
3145 | arg->failed = TRUE; |
2773 | return; |
3146 | return; |
2774 | } |
3147 | } |
2775 | if (esd->rela.count && esd->rela.hdr == NULL |
3148 | if (esd->rela.count && esd->rela.hdr == NULL |
2776 | && !_bfd_elf_init_reloc_shdr (abfd, &esd->rela, asect, TRUE)) |
3149 | && !_bfd_elf_init_reloc_shdr (abfd, &esd->rela, name, TRUE, |
- | 3150 | delay_st_name_p)) |
|
2777 | { |
3151 | { |
2778 | arg->failed = TRUE; |
3152 | arg->failed = TRUE; |
2779 | return; |
3153 | return; |
2780 | } |
3154 | } |
2781 | } |
3155 | } |
2782 | else if (!_bfd_elf_init_reloc_shdr (abfd, |
3156 | else if (!_bfd_elf_init_reloc_shdr (abfd, |
2783 | (asect->use_rela_p |
3157 | (asect->use_rela_p |
2784 | ? &esd->rela : &esd->rel), |
3158 | ? &esd->rela : &esd->rel), |
2785 | asect, |
3159 | name, |
2786 | asect->use_rela_p)) |
3160 | asect->use_rela_p, |
- | 3161 | delay_st_name_p)) |
|
2787 | arg->failed = TRUE; |
3162 | arg->failed = TRUE; |
2788 | } |
3163 | } |
2789 | 3164 | ||
2790 | /* Check for processor-specific section types. */ |
3165 | /* Check for processor-specific section types. */ |
2791 | sh_type = this_hdr->sh_type; |
3166 | sh_type = this_hdr->sh_type; |
2792 | if (bed->elf_backend_fake_sections |
3167 | if (bed->elf_backend_fake_sections |
2793 | && !(*bed->elf_backend_fake_sections) (abfd, this_hdr, asect)) |
3168 | && !(*bed->elf_backend_fake_sections) (abfd, this_hdr, asect)) |
2794 | arg->failed = TRUE; |
3169 | arg->failed = TRUE; |
2795 | 3170 | ||
2796 | if (sh_type == SHT_NOBITS && asect->size != 0) |
3171 | if (sh_type == SHT_NOBITS && asect->size != 0) |
2797 | { |
3172 | { |
2798 | /* Don't change the header type from NOBITS if we are being |
3173 | /* Don't change the header type from NOBITS if we are being |
2799 | called for objcopy --only-keep-debug. */ |
3174 | called for objcopy --only-keep-debug. */ |
2800 | this_hdr->sh_type = sh_type; |
3175 | this_hdr->sh_type = sh_type; |
2801 | } |
3176 | } |
2802 | } |
3177 | } |
2803 | 3178 | ||
2804 | /* Fill in the contents of a SHT_GROUP section. Called from |
3179 | /* Fill in the contents of a SHT_GROUP section. Called from |
2805 | _bfd_elf_compute_section_file_positions for gas, objcopy, and |
3180 | _bfd_elf_compute_section_file_positions for gas, objcopy, and |
2806 | when ELF targets use the generic linker, ld. Called for ld -r |
3181 | when ELF targets use the generic linker, ld. Called for ld -r |
2807 | from bfd_elf_final_link. */ |
3182 | from bfd_elf_final_link. */ |
2808 | 3183 | ||
2809 | void |
3184 | void |
2810 | bfd_elf_set_group_contents (bfd *abfd, asection *sec, void *failedptrarg) |
3185 | bfd_elf_set_group_contents (bfd *abfd, asection *sec, void *failedptrarg) |
2811 | { |
3186 | { |
2812 | bfd_boolean *failedptr = (bfd_boolean *) failedptrarg; |
3187 | bfd_boolean *failedptr = (bfd_boolean *) failedptrarg; |
2813 | asection *elt, *first; |
3188 | asection *elt, *first; |
2814 | unsigned char *loc; |
3189 | unsigned char *loc; |
2815 | bfd_boolean gas; |
3190 | bfd_boolean gas; |
2816 | 3191 | ||
2817 | /* Ignore linker created group section. See elfNN_ia64_object_p in |
3192 | /* Ignore linker created group section. See elfNN_ia64_object_p in |
2818 | elfxx-ia64.c. */ |
3193 | elfxx-ia64.c. */ |
2819 | if (((sec->flags & (SEC_GROUP | SEC_LINKER_CREATED)) != SEC_GROUP) |
3194 | if (((sec->flags & (SEC_GROUP | SEC_LINKER_CREATED)) != SEC_GROUP) |
2820 | || *failedptr) |
3195 | || *failedptr) |
2821 | return; |
3196 | return; |
2822 | 3197 | ||
2823 | if (elf_section_data (sec)->this_hdr.sh_info == 0) |
3198 | if (elf_section_data (sec)->this_hdr.sh_info == 0) |
2824 | { |
3199 | { |
2825 | unsigned long symindx = 0; |
3200 | unsigned long symindx = 0; |
2826 | 3201 | ||
2827 | /* elf_group_id will have been set up by objcopy and the |
3202 | /* elf_group_id will have been set up by objcopy and the |
2828 | generic linker. */ |
3203 | generic linker. */ |
2829 | if (elf_group_id (sec) != NULL) |
3204 | if (elf_group_id (sec) != NULL) |
2830 | symindx = elf_group_id (sec)->udata.i; |
3205 | symindx = elf_group_id (sec)->udata.i; |
2831 | 3206 | ||
2832 | if (symindx == 0) |
3207 | if (symindx == 0) |
2833 | { |
3208 | { |
2834 | /* If called from the assembler, swap_out_syms will have set up |
3209 | /* If called from the assembler, swap_out_syms will have set up |
2835 | elf_section_syms. */ |
3210 | elf_section_syms. */ |
2836 | BFD_ASSERT (elf_section_syms (abfd) != NULL); |
3211 | BFD_ASSERT (elf_section_syms (abfd) != NULL); |
2837 | symindx = elf_section_syms (abfd)[sec->index]->udata.i; |
3212 | symindx = elf_section_syms (abfd)[sec->index]->udata.i; |
2838 | } |
3213 | } |
2839 | elf_section_data (sec)->this_hdr.sh_info = symindx; |
3214 | elf_section_data (sec)->this_hdr.sh_info = symindx; |
2840 | } |
3215 | } |
2841 | else if (elf_section_data (sec)->this_hdr.sh_info == (unsigned int) -2) |
3216 | else if (elf_section_data (sec)->this_hdr.sh_info == (unsigned int) -2) |
2842 | { |
3217 | { |
2843 | /* The ELF backend linker sets sh_info to -2 when the group |
3218 | /* The ELF backend linker sets sh_info to -2 when the group |
2844 | signature symbol is global, and thus the index can't be |
3219 | signature symbol is global, and thus the index can't be |
2845 | set until all local symbols are output. */ |
3220 | set until all local symbols are output. */ |
2846 | asection *igroup = elf_sec_group (elf_next_in_group (sec)); |
3221 | asection *igroup = elf_sec_group (elf_next_in_group (sec)); |
2847 | struct bfd_elf_section_data *sec_data = elf_section_data (igroup); |
3222 | struct bfd_elf_section_data *sec_data = elf_section_data (igroup); |
2848 | unsigned long symndx = sec_data->this_hdr.sh_info; |
3223 | unsigned long symndx = sec_data->this_hdr.sh_info; |
2849 | unsigned long extsymoff = 0; |
3224 | unsigned long extsymoff = 0; |
2850 | struct elf_link_hash_entry *h; |
3225 | struct elf_link_hash_entry *h; |
2851 | 3226 | ||
2852 | if (!elf_bad_symtab (igroup->owner)) |
3227 | if (!elf_bad_symtab (igroup->owner)) |
2853 | { |
3228 | { |
2854 | Elf_Internal_Shdr *symtab_hdr; |
3229 | Elf_Internal_Shdr *symtab_hdr; |
2855 | 3230 | ||
2856 | symtab_hdr = &elf_tdata (igroup->owner)->symtab_hdr; |
3231 | symtab_hdr = &elf_tdata (igroup->owner)->symtab_hdr; |
2857 | extsymoff = symtab_hdr->sh_info; |
3232 | extsymoff = symtab_hdr->sh_info; |
2858 | } |
3233 | } |
2859 | h = elf_sym_hashes (igroup->owner)[symndx - extsymoff]; |
3234 | h = elf_sym_hashes (igroup->owner)[symndx - extsymoff]; |
2860 | while (h->root.type == bfd_link_hash_indirect |
3235 | while (h->root.type == bfd_link_hash_indirect |
2861 | || h->root.type == bfd_link_hash_warning) |
3236 | || h->root.type == bfd_link_hash_warning) |
2862 | h = (struct elf_link_hash_entry *) h->root.u.i.link; |
3237 | h = (struct elf_link_hash_entry *) h->root.u.i.link; |
2863 | 3238 | ||
2864 | elf_section_data (sec)->this_hdr.sh_info = h->indx; |
3239 | elf_section_data (sec)->this_hdr.sh_info = h->indx; |
2865 | } |
3240 | } |
2866 | 3241 | ||
2867 | /* The contents won't be allocated for "ld -r" or objcopy. */ |
3242 | /* The contents won't be allocated for "ld -r" or objcopy. */ |
2868 | gas = TRUE; |
3243 | gas = TRUE; |
2869 | if (sec->contents == NULL) |
3244 | if (sec->contents == NULL) |
2870 | { |
3245 | { |
2871 | gas = FALSE; |
3246 | gas = FALSE; |
2872 | sec->contents = (unsigned char *) bfd_alloc (abfd, sec->size); |
3247 | sec->contents = (unsigned char *) bfd_alloc (abfd, sec->size); |
2873 | 3248 | ||
2874 | /* Arrange for the section to be written out. */ |
3249 | /* Arrange for the section to be written out. */ |
2875 | elf_section_data (sec)->this_hdr.contents = sec->contents; |
3250 | elf_section_data (sec)->this_hdr.contents = sec->contents; |
2876 | if (sec->contents == NULL) |
3251 | if (sec->contents == NULL) |
2877 | { |
3252 | { |
2878 | *failedptr = TRUE; |
3253 | *failedptr = TRUE; |
2879 | return; |
3254 | return; |
2880 | } |
3255 | } |
2881 | } |
3256 | } |
2882 | 3257 | ||
2883 | loc = sec->contents + sec->size; |
3258 | loc = sec->contents + sec->size; |
2884 | 3259 | ||
2885 | /* Get the pointer to the first section in the group that gas |
3260 | /* Get the pointer to the first section in the group that gas |
2886 | squirreled away here. objcopy arranges for this to be set to the |
3261 | squirreled away here. objcopy arranges for this to be set to the |
2887 | start of the input section group. */ |
3262 | start of the input section group. */ |
2888 | first = elt = elf_next_in_group (sec); |
3263 | first = elt = elf_next_in_group (sec); |
2889 | 3264 | ||
2890 | /* First element is a flag word. Rest of section is elf section |
3265 | /* First element is a flag word. Rest of section is elf section |
2891 | indices for all the sections of the group. Write them backwards |
3266 | indices for all the sections of the group. Write them backwards |
2892 | just to keep the group in the same order as given in .section |
3267 | just to keep the group in the same order as given in .section |
2893 | directives, not that it matters. */ |
3268 | directives, not that it matters. */ |
2894 | while (elt != NULL) |
3269 | while (elt != NULL) |
2895 | { |
3270 | { |
2896 | asection *s; |
3271 | asection *s; |
2897 | 3272 | ||
2898 | s = elt; |
3273 | s = elt; |
2899 | if (!gas) |
3274 | if (!gas) |
2900 | s = s->output_section; |
3275 | s = s->output_section; |
2901 | if (s != NULL |
3276 | if (s != NULL |
2902 | && !bfd_is_abs_section (s)) |
3277 | && !bfd_is_abs_section (s)) |
2903 | { |
3278 | { |
2904 | unsigned int idx = elf_section_data (s)->this_idx; |
3279 | unsigned int idx = elf_section_data (s)->this_idx; |
2905 | 3280 | ||
2906 | loc -= 4; |
3281 | loc -= 4; |
2907 | H_PUT_32 (abfd, idx, loc); |
3282 | H_PUT_32 (abfd, idx, loc); |
2908 | } |
3283 | } |
2909 | elt = elf_next_in_group (elt); |
3284 | elt = elf_next_in_group (elt); |
2910 | if (elt == first) |
3285 | if (elt == first) |
2911 | break; |
3286 | break; |
2912 | } |
3287 | } |
2913 | 3288 | ||
2914 | if ((loc -= 4) != sec->contents) |
3289 | if ((loc -= 4) != sec->contents) |
2915 | abort (); |
3290 | abort (); |
2916 | 3291 | ||
2917 | H_PUT_32 (abfd, sec->flags & SEC_LINK_ONCE ? GRP_COMDAT : 0, loc); |
3292 | H_PUT_32 (abfd, sec->flags & SEC_LINK_ONCE ? GRP_COMDAT : 0, loc); |
2918 | } |
3293 | } |
- | 3294 | ||
- | 3295 | /* Return the section which RELOC_SEC applies to. */ |
|
- | 3296 | ||
- | 3297 | asection * |
|
- | 3298 | _bfd_elf_get_reloc_section (asection *reloc_sec) |
|
- | 3299 | { |
|
- | 3300 | const char *name; |
|
- | 3301 | unsigned int type; |
|
- | 3302 | bfd *abfd; |
|
- | 3303 | ||
- | 3304 | if (reloc_sec == NULL) |
|
- | 3305 | return NULL; |
|
- | 3306 | ||
- | 3307 | type = elf_section_data (reloc_sec)->this_hdr.sh_type; |
|
- | 3308 | if (type != SHT_REL && type != SHT_RELA) |
|
- | 3309 | return NULL; |
|
- | 3310 | ||
- | 3311 | /* We look up the section the relocs apply to by name. */ |
|
- | 3312 | name = reloc_sec->name; |
|
- | 3313 | if (type == SHT_REL) |
|
- | 3314 | name += 4; |
|
- | 3315 | else |
|
- | 3316 | name += 5; |
|
- | 3317 | ||
- | 3318 | /* If a target needs .got.plt section, relocations in rela.plt/rel.plt |
|
- | 3319 | section apply to .got.plt section. */ |
|
- | 3320 | abfd = reloc_sec->owner; |
|
- | 3321 | if (get_elf_backend_data (abfd)->want_got_plt |
|
- | 3322 | && strcmp (name, ".plt") == 0) |
|
- | 3323 | { |
|
- | 3324 | /* .got.plt is a linker created input section. It may be mapped |
|
- | 3325 | to some other output section. Try two likely sections. */ |
|
- | 3326 | name = ".got.plt"; |
|
- | 3327 | reloc_sec = bfd_get_section_by_name (abfd, name); |
|
- | 3328 | if (reloc_sec != NULL) |
|
- | 3329 | return reloc_sec; |
|
- | 3330 | name = ".got"; |
|
- | 3331 | } |
|
- | 3332 | ||
- | 3333 | reloc_sec = bfd_get_section_by_name (abfd, name); |
|
- | 3334 | return reloc_sec; |
|
- | 3335 | } |
|
2919 | 3336 | ||
2920 | /* Assign all ELF section numbers. The dummy first section is handled here |
3337 | /* Assign all ELF section numbers. The dummy first section is handled here |
2921 | too. The link/info pointers for the standard section types are filled |
3338 | too. The link/info pointers for the standard section types are filled |
2922 | in here too, while we're at it. */ |
3339 | in here too, while we're at it. */ |
2923 | 3340 | ||
2924 | static bfd_boolean |
3341 | static bfd_boolean |
2925 | assign_section_numbers (bfd *abfd, struct bfd_link_info *link_info) |
3342 | assign_section_numbers (bfd *abfd, struct bfd_link_info *link_info) |
2926 | { |
3343 | { |
2927 | struct elf_obj_tdata *t = elf_tdata (abfd); |
3344 | struct elf_obj_tdata *t = elf_tdata (abfd); |
2928 | asection *sec; |
3345 | asection *sec; |
2929 | unsigned int section_number, secn; |
3346 | unsigned int section_number; |
2930 | Elf_Internal_Shdr **i_shdrp; |
3347 | Elf_Internal_Shdr **i_shdrp; |
2931 | struct bfd_elf_section_data *d; |
3348 | struct bfd_elf_section_data *d; |
2932 | bfd_boolean need_symtab; |
3349 | bfd_boolean need_symtab; |
2933 | 3350 | ||
2934 | section_number = 1; |
3351 | section_number = 1; |
2935 | 3352 | ||
2936 | _bfd_elf_strtab_clear_all_refs (elf_shstrtab (abfd)); |
3353 | _bfd_elf_strtab_clear_all_refs (elf_shstrtab (abfd)); |
2937 | 3354 | ||
2938 | /* SHT_GROUP sections are in relocatable files only. */ |
3355 | /* SHT_GROUP sections are in relocatable files only. */ |
2939 | if (link_info == NULL || link_info->relocatable) |
3356 | if (link_info == NULL || bfd_link_relocatable (link_info)) |
2940 | { |
3357 | { |
2941 | /* Put SHT_GROUP sections first. */ |
3358 | /* Put SHT_GROUP sections first. */ |
2942 | for (sec = abfd->sections; sec != NULL; sec = sec->next) |
3359 | for (sec = abfd->sections; sec != NULL; sec = sec->next) |
2943 | { |
3360 | { |
2944 | d = elf_section_data (sec); |
3361 | d = elf_section_data (sec); |
2945 | 3362 | ||
2946 | if (d->this_hdr.sh_type == SHT_GROUP) |
3363 | if (d->this_hdr.sh_type == SHT_GROUP) |
2947 | { |
3364 | { |
2948 | if (sec->flags & SEC_LINKER_CREATED) |
3365 | if (sec->flags & SEC_LINKER_CREATED) |
2949 | { |
3366 | { |
2950 | /* Remove the linker created SHT_GROUP sections. */ |
3367 | /* Remove the linker created SHT_GROUP sections. */ |
2951 | bfd_section_list_remove (abfd, sec); |
3368 | bfd_section_list_remove (abfd, sec); |
2952 | abfd->section_count--; |
3369 | abfd->section_count--; |
2953 | } |
3370 | } |
2954 | else |
3371 | else |
2955 | d->this_idx = section_number++; |
3372 | d->this_idx = section_number++; |
2956 | } |
3373 | } |
2957 | } |
3374 | } |
2958 | } |
3375 | } |
2959 | 3376 | ||
2960 | for (sec = abfd->sections; sec; sec = sec->next) |
3377 | for (sec = abfd->sections; sec; sec = sec->next) |
2961 | { |
3378 | { |
2962 | d = elf_section_data (sec); |
3379 | d = elf_section_data (sec); |
2963 | 3380 | ||
2964 | if (d->this_hdr.sh_type != SHT_GROUP) |
3381 | if (d->this_hdr.sh_type != SHT_GROUP) |
2965 | d->this_idx = section_number++; |
3382 | d->this_idx = section_number++; |
- | 3383 | if (d->this_hdr.sh_name != (unsigned int) -1) |
|
2966 | _bfd_elf_strtab_addref (elf_shstrtab (abfd), d->this_hdr.sh_name); |
3384 | _bfd_elf_strtab_addref (elf_shstrtab (abfd), d->this_hdr.sh_name); |
2967 | if (d->rel.hdr) |
3385 | if (d->rel.hdr) |
2968 | { |
3386 | { |
2969 | d->rel.idx = section_number++; |
3387 | d->rel.idx = section_number++; |
- | 3388 | if (d->rel.hdr->sh_name != (unsigned int) -1) |
|
2970 | _bfd_elf_strtab_addref (elf_shstrtab (abfd), d->rel.hdr->sh_name); |
3389 | _bfd_elf_strtab_addref (elf_shstrtab (abfd), d->rel.hdr->sh_name); |
2971 | } |
3390 | } |
2972 | else |
3391 | else |
2973 | d->rel.idx = 0; |
3392 | d->rel.idx = 0; |
2974 | 3393 | ||
2975 | if (d->rela.hdr) |
3394 | if (d->rela.hdr) |
2976 | { |
3395 | { |
2977 | d->rela.idx = section_number++; |
3396 | d->rela.idx = section_number++; |
- | 3397 | if (d->rela.hdr->sh_name != (unsigned int) -1) |
|
2978 | _bfd_elf_strtab_addref (elf_shstrtab (abfd), d->rela.hdr->sh_name); |
3398 | _bfd_elf_strtab_addref (elf_shstrtab (abfd), d->rela.hdr->sh_name); |
2979 | } |
3399 | } |
2980 | else |
3400 | else |
2981 | d->rela.idx = 0; |
3401 | d->rela.idx = 0; |
2982 | } |
3402 | } |
2983 | 3403 | ||
2984 | elf_shstrtab_sec (abfd) = section_number++; |
3404 | elf_shstrtab_sec (abfd) = section_number++; |
2985 | _bfd_elf_strtab_addref (elf_shstrtab (abfd), t->shstrtab_hdr.sh_name); |
3405 | _bfd_elf_strtab_addref (elf_shstrtab (abfd), t->shstrtab_hdr.sh_name); |
2986 | elf_elfheader (abfd)->e_shstrndx = elf_shstrtab_sec (abfd); |
3406 | elf_elfheader (abfd)->e_shstrndx = elf_shstrtab_sec (abfd); |
2987 | 3407 | ||
2988 | need_symtab = (bfd_get_symcount (abfd) > 0 |
3408 | need_symtab = (bfd_get_symcount (abfd) > 0 |
2989 | || (link_info == NULL |
3409 | || (link_info == NULL |
2990 | && ((abfd->flags & (EXEC_P | DYNAMIC | HAS_RELOC)) |
3410 | && ((abfd->flags & (EXEC_P | DYNAMIC | HAS_RELOC)) |
2991 | == HAS_RELOC))); |
3411 | == HAS_RELOC))); |
2992 | if (need_symtab) |
3412 | if (need_symtab) |
2993 | { |
3413 | { |
2994 | elf_onesymtab (abfd) = section_number++; |
3414 | elf_onesymtab (abfd) = section_number++; |
2995 | _bfd_elf_strtab_addref (elf_shstrtab (abfd), t->symtab_hdr.sh_name); |
3415 | _bfd_elf_strtab_addref (elf_shstrtab (abfd), t->symtab_hdr.sh_name); |
2996 | if (section_number > ((SHN_LORESERVE - 2) & 0xFFFF)) |
3416 | if (section_number > ((SHN_LORESERVE - 2) & 0xFFFF)) |
2997 | { |
3417 | { |
- | 3418 | elf_section_list * entry; |
|
- | 3419 | ||
- | 3420 | BFD_ASSERT (elf_symtab_shndx_list (abfd) == NULL); |
|
- | 3421 | ||
- | 3422 | entry = bfd_zalloc (abfd, sizeof * entry); |
|
- | 3423 | entry->ndx = section_number++; |
|
2998 | elf_symtab_shndx (abfd) = section_number++; |
3424 | elf_symtab_shndx_list (abfd) = entry; |
2999 | t->symtab_shndx_hdr.sh_name |
3425 | entry->hdr.sh_name |
3000 | = (unsigned int) _bfd_elf_strtab_add (elf_shstrtab (abfd), |
3426 | = (unsigned int) _bfd_elf_strtab_add (elf_shstrtab (abfd), |
3001 | ".symtab_shndx", FALSE); |
3427 | ".symtab_shndx", FALSE); |
3002 | if (t->symtab_shndx_hdr.sh_name == (unsigned int) -1) |
3428 | if (entry->hdr.sh_name == (unsigned int) -1) |
3003 | return FALSE; |
3429 | return FALSE; |
3004 | } |
3430 | } |
3005 | elf_strtab_sec (abfd) = section_number++; |
3431 | elf_strtab_sec (abfd) = section_number++; |
3006 | _bfd_elf_strtab_addref (elf_shstrtab (abfd), t->strtab_hdr.sh_name); |
3432 | _bfd_elf_strtab_addref (elf_shstrtab (abfd), t->strtab_hdr.sh_name); |
3007 | } |
3433 | } |
3008 | 3434 | ||
3009 | if (section_number >= SHN_LORESERVE) |
3435 | if (section_number >= SHN_LORESERVE) |
3010 | { |
3436 | { |
3011 | _bfd_error_handler (_("%B: too many sections: %u"), |
3437 | _bfd_error_handler (_("%B: too many sections: %u"), |
3012 | abfd, section_number); |
3438 | abfd, section_number); |
3013 | return FALSE; |
3439 | return FALSE; |
3014 | } |
3440 | } |
3015 | - | ||
3016 | _bfd_elf_strtab_finalize (elf_shstrtab (abfd)); |
- | |
3017 | t->shstrtab_hdr.sh_size = _bfd_elf_strtab_size (elf_shstrtab (abfd)); |
- | |
3018 | 3441 | ||
3019 | elf_numsections (abfd) = section_number; |
3442 | elf_numsections (abfd) = section_number; |
3020 | elf_elfheader (abfd)->e_shnum = section_number; |
3443 | elf_elfheader (abfd)->e_shnum = section_number; |
3021 | 3444 | ||
3022 | /* Set up the list of section header pointers, in agreement with the |
3445 | /* Set up the list of section header pointers, in agreement with the |
3023 | indices. */ |
3446 | indices. */ |
3024 | i_shdrp = (Elf_Internal_Shdr **) bfd_zalloc2 (abfd, section_number, |
3447 | i_shdrp = (Elf_Internal_Shdr **) bfd_zalloc2 (abfd, section_number, |
3025 | sizeof (Elf_Internal_Shdr *)); |
3448 | sizeof (Elf_Internal_Shdr *)); |
3026 | if (i_shdrp == NULL) |
3449 | if (i_shdrp == NULL) |
3027 | return FALSE; |
3450 | return FALSE; |
3028 | 3451 | ||
3029 | i_shdrp[0] = (Elf_Internal_Shdr *) bfd_zalloc (abfd, |
3452 | i_shdrp[0] = (Elf_Internal_Shdr *) bfd_zalloc (abfd, |
3030 | sizeof (Elf_Internal_Shdr)); |
3453 | sizeof (Elf_Internal_Shdr)); |
3031 | if (i_shdrp[0] == NULL) |
3454 | if (i_shdrp[0] == NULL) |
3032 | { |
3455 | { |
3033 | bfd_release (abfd, i_shdrp); |
3456 | bfd_release (abfd, i_shdrp); |
3034 | return FALSE; |
3457 | return FALSE; |
3035 | } |
3458 | } |
3036 | 3459 | ||
3037 | elf_elfsections (abfd) = i_shdrp; |
3460 | elf_elfsections (abfd) = i_shdrp; |
3038 | 3461 | ||
3039 | i_shdrp[elf_shstrtab_sec (abfd)] = &t->shstrtab_hdr; |
3462 | i_shdrp[elf_shstrtab_sec (abfd)] = &t->shstrtab_hdr; |
3040 | if (need_symtab) |
3463 | if (need_symtab) |
3041 | { |
3464 | { |
3042 | i_shdrp[elf_onesymtab (abfd)] = &t->symtab_hdr; |
3465 | i_shdrp[elf_onesymtab (abfd)] = &t->symtab_hdr; |
3043 | if (elf_numsections (abfd) > (SHN_LORESERVE & 0xFFFF)) |
3466 | if (elf_numsections (abfd) > (SHN_LORESERVE & 0xFFFF)) |
3044 | { |
3467 | { |
3045 | i_shdrp[elf_symtab_shndx (abfd)] = &t->symtab_shndx_hdr; |
3468 | elf_section_list * entry = elf_symtab_shndx_list (abfd); |
- | 3469 | BFD_ASSERT (entry != NULL); |
|
- | 3470 | i_shdrp[entry->ndx] = & entry->hdr; |
|
3046 | t->symtab_shndx_hdr.sh_link = elf_onesymtab (abfd); |
3471 | entry->hdr.sh_link = elf_onesymtab (abfd); |
3047 | } |
3472 | } |
3048 | i_shdrp[elf_strtab_sec (abfd)] = &t->strtab_hdr; |
3473 | i_shdrp[elf_strtab_sec (abfd)] = &t->strtab_hdr; |
3049 | t->symtab_hdr.sh_link = elf_strtab_sec (abfd); |
3474 | t->symtab_hdr.sh_link = elf_strtab_sec (abfd); |
3050 | } |
3475 | } |
3051 | 3476 | ||
3052 | for (sec = abfd->sections; sec; sec = sec->next) |
3477 | for (sec = abfd->sections; sec; sec = sec->next) |
3053 | { |
3478 | { |
3054 | asection *s; |
3479 | asection *s; |
3055 | const char *name; |
- | |
3056 | 3480 | ||
3057 | d = elf_section_data (sec); |
3481 | d = elf_section_data (sec); |
3058 | 3482 | ||
3059 | i_shdrp[d->this_idx] = &d->this_hdr; |
3483 | i_shdrp[d->this_idx] = &d->this_hdr; |
3060 | if (d->rel.idx != 0) |
3484 | if (d->rel.idx != 0) |
3061 | i_shdrp[d->rel.idx] = d->rel.hdr; |
3485 | i_shdrp[d->rel.idx] = d->rel.hdr; |
3062 | if (d->rela.idx != 0) |
3486 | if (d->rela.idx != 0) |
3063 | i_shdrp[d->rela.idx] = d->rela.hdr; |
3487 | i_shdrp[d->rela.idx] = d->rela.hdr; |
3064 | 3488 | ||
3065 | /* Fill in the sh_link and sh_info fields while we're at it. */ |
3489 | /* Fill in the sh_link and sh_info fields while we're at it. */ |
3066 | 3490 | ||
3067 | /* sh_link of a reloc section is the section index of the symbol |
3491 | /* sh_link of a reloc section is the section index of the symbol |
3068 | table. sh_info is the section index of the section to which |
3492 | table. sh_info is the section index of the section to which |
3069 | the relocation entries apply. */ |
3493 | the relocation entries apply. */ |
3070 | if (d->rel.idx != 0) |
3494 | if (d->rel.idx != 0) |
3071 | { |
3495 | { |
3072 | d->rel.hdr->sh_link = elf_onesymtab (abfd); |
3496 | d->rel.hdr->sh_link = elf_onesymtab (abfd); |
3073 | d->rel.hdr->sh_info = d->this_idx; |
3497 | d->rel.hdr->sh_info = d->this_idx; |
- | 3498 | d->rel.hdr->sh_flags |= SHF_INFO_LINK; |
|
3074 | } |
3499 | } |
3075 | if (d->rela.idx != 0) |
3500 | if (d->rela.idx != 0) |
3076 | { |
3501 | { |
3077 | d->rela.hdr->sh_link = elf_onesymtab (abfd); |
3502 | d->rela.hdr->sh_link = elf_onesymtab (abfd); |
3078 | d->rela.hdr->sh_info = d->this_idx; |
3503 | d->rela.hdr->sh_info = d->this_idx; |
- | 3504 | d->rela.hdr->sh_flags |= SHF_INFO_LINK; |
|
3079 | } |
3505 | } |
3080 | 3506 | ||
3081 | /* We need to set up sh_link for SHF_LINK_ORDER. */ |
3507 | /* We need to set up sh_link for SHF_LINK_ORDER. */ |
3082 | if ((d->this_hdr.sh_flags & SHF_LINK_ORDER) != 0) |
3508 | if ((d->this_hdr.sh_flags & SHF_LINK_ORDER) != 0) |
3083 | { |
3509 | { |
3084 | s = elf_linked_to_section (sec); |
3510 | s = elf_linked_to_section (sec); |
3085 | if (s) |
3511 | if (s) |
3086 | { |
3512 | { |
3087 | /* elf_linked_to_section points to the input section. */ |
3513 | /* elf_linked_to_section points to the input section. */ |
3088 | if (link_info != NULL) |
3514 | if (link_info != NULL) |
3089 | { |
3515 | { |
3090 | /* Check discarded linkonce section. */ |
3516 | /* Check discarded linkonce section. */ |
3091 | if (discarded_section (s)) |
3517 | if (discarded_section (s)) |
3092 | { |
3518 | { |
3093 | asection *kept; |
3519 | asection *kept; |
3094 | (*_bfd_error_handler) |
3520 | (*_bfd_error_handler) |
3095 | (_("%B: sh_link of section `%A' points to discarded section `%A' of `%B'"), |
3521 | (_("%B: sh_link of section `%A' points to discarded section `%A' of `%B'"), |
3096 | abfd, d->this_hdr.bfd_section, |
3522 | abfd, d->this_hdr.bfd_section, |
3097 | s, s->owner); |
3523 | s, s->owner); |
3098 | /* Point to the kept section if it has the same |
3524 | /* Point to the kept section if it has the same |
3099 | size as the discarded one. */ |
3525 | size as the discarded one. */ |
3100 | kept = _bfd_elf_check_kept_section (s, link_info); |
3526 | kept = _bfd_elf_check_kept_section (s, link_info); |
3101 | if (kept == NULL) |
3527 | if (kept == NULL) |
3102 | { |
3528 | { |
3103 | bfd_set_error (bfd_error_bad_value); |
3529 | bfd_set_error (bfd_error_bad_value); |
3104 | return FALSE; |
3530 | return FALSE; |
3105 | } |
3531 | } |
3106 | s = kept; |
3532 | s = kept; |
3107 | } |
3533 | } |
3108 | 3534 | ||
3109 | s = s->output_section; |
3535 | s = s->output_section; |
3110 | BFD_ASSERT (s != NULL); |
3536 | BFD_ASSERT (s != NULL); |
3111 | } |
3537 | } |
3112 | else |
3538 | else |
3113 | { |
3539 | { |
3114 | /* Handle objcopy. */ |
3540 | /* Handle objcopy. */ |
3115 | if (s->output_section == NULL) |
3541 | if (s->output_section == NULL) |
3116 | { |
3542 | { |
3117 | (*_bfd_error_handler) |
3543 | (*_bfd_error_handler) |
3118 | (_("%B: sh_link of section `%A' points to removed section `%A' of `%B'"), |
3544 | (_("%B: sh_link of section `%A' points to removed section `%A' of `%B'"), |
3119 | abfd, d->this_hdr.bfd_section, s, s->owner); |
3545 | abfd, d->this_hdr.bfd_section, s, s->owner); |
3120 | bfd_set_error (bfd_error_bad_value); |
3546 | bfd_set_error (bfd_error_bad_value); |
3121 | return FALSE; |
3547 | return FALSE; |
3122 | } |
3548 | } |
3123 | s = s->output_section; |
3549 | s = s->output_section; |
3124 | } |
3550 | } |
3125 | d->this_hdr.sh_link = elf_section_data (s)->this_idx; |
3551 | d->this_hdr.sh_link = elf_section_data (s)->this_idx; |
3126 | } |
3552 | } |
3127 | else |
3553 | else |
3128 | { |
3554 | { |
3129 | /* PR 290: |
3555 | /* PR 290: |
3130 | The Intel C compiler generates SHT_IA_64_UNWIND with |
3556 | The Intel C compiler generates SHT_IA_64_UNWIND with |
3131 | SHF_LINK_ORDER. But it doesn't set the sh_link or |
3557 | SHF_LINK_ORDER. But it doesn't set the sh_link or |
3132 | sh_info fields. Hence we could get the situation |
3558 | sh_info fields. Hence we could get the situation |
3133 | where s is NULL. */ |
3559 | where s is NULL. */ |
3134 | const struct elf_backend_data *bed |
3560 | const struct elf_backend_data *bed |
3135 | = get_elf_backend_data (abfd); |
3561 | = get_elf_backend_data (abfd); |
3136 | if (bed->link_order_error_handler) |
3562 | if (bed->link_order_error_handler) |
3137 | bed->link_order_error_handler |
3563 | bed->link_order_error_handler |
3138 | (_("%B: warning: sh_link not set for section `%A'"), |
3564 | (_("%B: warning: sh_link not set for section `%A'"), |
3139 | abfd, sec); |
3565 | abfd, sec); |
3140 | } |
3566 | } |
3141 | } |
3567 | } |
3142 | 3568 | ||
3143 | switch (d->this_hdr.sh_type) |
3569 | switch (d->this_hdr.sh_type) |
3144 | { |
3570 | { |
3145 | case SHT_REL: |
3571 | case SHT_REL: |
3146 | case SHT_RELA: |
3572 | case SHT_RELA: |
3147 | /* A reloc section which we are treating as a normal BFD |
3573 | /* A reloc section which we are treating as a normal BFD |
3148 | section. sh_link is the section index of the symbol |
3574 | section. sh_link is the section index of the symbol |
3149 | table. sh_info is the section index of the section to |
3575 | table. sh_info is the section index of the section to |
3150 | which the relocation entries apply. We assume that an |
3576 | which the relocation entries apply. We assume that an |
3151 | allocated reloc section uses the dynamic symbol table. |
3577 | allocated reloc section uses the dynamic symbol table. |
3152 | FIXME: How can we be sure? */ |
3578 | FIXME: How can we be sure? */ |
3153 | s = bfd_get_section_by_name (abfd, ".dynsym"); |
3579 | s = bfd_get_section_by_name (abfd, ".dynsym"); |
3154 | if (s != NULL) |
3580 | if (s != NULL) |
3155 | d->this_hdr.sh_link = elf_section_data (s)->this_idx; |
3581 | d->this_hdr.sh_link = elf_section_data (s)->this_idx; |
3156 | - | ||
3157 | /* We look up the section the relocs apply to by name. */ |
- | |
3158 | name = sec->name; |
- | |
3159 | if (d->this_hdr.sh_type == SHT_REL) |
- | |
3160 | name += 4; |
- | |
3161 | else |
- | |
3162 | name += 5; |
3582 | |
3163 | s = bfd_get_section_by_name (abfd, name); |
3583 | s = get_elf_backend_data (abfd)->get_reloc_section (sec); |
- | 3584 | if (s != NULL) |
|
3164 | if (s != NULL) |
3585 | { |
- | 3586 | d->this_hdr.sh_info = elf_section_data (s)->this_idx; |
|
- | 3587 | d->this_hdr.sh_flags |= SHF_INFO_LINK; |
|
3165 | d->this_hdr.sh_info = elf_section_data (s)->this_idx; |
3588 | } |
3166 | break; |
3589 | break; |
3167 | 3590 | ||
3168 | case SHT_STRTAB: |
3591 | case SHT_STRTAB: |
3169 | /* We assume that a section named .stab*str is a stabs |
3592 | /* We assume that a section named .stab*str is a stabs |
3170 | string section. We look for a section with the same name |
3593 | string section. We look for a section with the same name |
3171 | but without the trailing ``str'', and set its sh_link |
3594 | but without the trailing ``str'', and set its sh_link |
3172 | field to point to this section. */ |
3595 | field to point to this section. */ |
3173 | if (CONST_STRNEQ (sec->name, ".stab") |
3596 | if (CONST_STRNEQ (sec->name, ".stab") |
3174 | && strcmp (sec->name + strlen (sec->name) - 3, "str") == 0) |
3597 | && strcmp (sec->name + strlen (sec->name) - 3, "str") == 0) |
3175 | { |
3598 | { |
3176 | size_t len; |
3599 | size_t len; |
3177 | char *alc; |
3600 | char *alc; |
3178 | 3601 | ||
3179 | len = strlen (sec->name); |
3602 | len = strlen (sec->name); |
3180 | alc = (char *) bfd_malloc (len - 2); |
3603 | alc = (char *) bfd_malloc (len - 2); |
3181 | if (alc == NULL) |
3604 | if (alc == NULL) |
3182 | return FALSE; |
3605 | return FALSE; |
3183 | memcpy (alc, sec->name, len - 3); |
3606 | memcpy (alc, sec->name, len - 3); |
3184 | alc[len - 3] = '\0'; |
3607 | alc[len - 3] = '\0'; |
3185 | s = bfd_get_section_by_name (abfd, alc); |
3608 | s = bfd_get_section_by_name (abfd, alc); |
3186 | free (alc); |
3609 | free (alc); |
3187 | if (s != NULL) |
3610 | if (s != NULL) |
3188 | { |
3611 | { |
3189 | elf_section_data (s)->this_hdr.sh_link = d->this_idx; |
3612 | elf_section_data (s)->this_hdr.sh_link = d->this_idx; |
3190 | 3613 | ||
3191 | /* This is a .stab section. */ |
3614 | /* This is a .stab section. */ |
3192 | if (elf_section_data (s)->this_hdr.sh_entsize == 0) |
3615 | if (elf_section_data (s)->this_hdr.sh_entsize == 0) |
3193 | elf_section_data (s)->this_hdr.sh_entsize |
3616 | elf_section_data (s)->this_hdr.sh_entsize |
3194 | = 4 + 2 * bfd_get_arch_size (abfd) / 8; |
3617 | = 4 + 2 * bfd_get_arch_size (abfd) / 8; |
3195 | } |
3618 | } |
3196 | } |
3619 | } |
3197 | break; |
3620 | break; |
3198 | 3621 | ||
3199 | case SHT_DYNAMIC: |
3622 | case SHT_DYNAMIC: |
3200 | case SHT_DYNSYM: |
3623 | case SHT_DYNSYM: |
3201 | case SHT_GNU_verneed: |
3624 | case SHT_GNU_verneed: |
3202 | case SHT_GNU_verdef: |
3625 | case SHT_GNU_verdef: |
3203 | /* sh_link is the section header index of the string table |
3626 | /* sh_link is the section header index of the string table |
3204 | used for the dynamic entries, or the symbol table, or the |
3627 | used for the dynamic entries, or the symbol table, or the |
3205 | version strings. */ |
3628 | version strings. */ |
3206 | s = bfd_get_section_by_name (abfd, ".dynstr"); |
3629 | s = bfd_get_section_by_name (abfd, ".dynstr"); |
3207 | if (s != NULL) |
3630 | if (s != NULL) |
3208 | d->this_hdr.sh_link = elf_section_data (s)->this_idx; |
3631 | d->this_hdr.sh_link = elf_section_data (s)->this_idx; |
3209 | break; |
3632 | break; |
3210 | 3633 | ||
3211 | case SHT_GNU_LIBLIST: |
3634 | case SHT_GNU_LIBLIST: |
3212 | /* sh_link is the section header index of the prelink library |
3635 | /* sh_link is the section header index of the prelink library |
3213 | list used for the dynamic entries, or the symbol table, or |
3636 | list used for the dynamic entries, or the symbol table, or |
3214 | the version strings. */ |
3637 | the version strings. */ |
3215 | s = bfd_get_section_by_name (abfd, (sec->flags & SEC_ALLOC) |
3638 | s = bfd_get_section_by_name (abfd, (sec->flags & SEC_ALLOC) |
3216 | ? ".dynstr" : ".gnu.libstr"); |
3639 | ? ".dynstr" : ".gnu.libstr"); |
3217 | if (s != NULL) |
3640 | if (s != NULL) |
3218 | d->this_hdr.sh_link = elf_section_data (s)->this_idx; |
3641 | d->this_hdr.sh_link = elf_section_data (s)->this_idx; |
3219 | break; |
3642 | break; |
3220 | 3643 | ||
3221 | case SHT_HASH: |
3644 | case SHT_HASH: |
3222 | case SHT_GNU_HASH: |
3645 | case SHT_GNU_HASH: |
3223 | case SHT_GNU_versym: |
3646 | case SHT_GNU_versym: |
3224 | /* sh_link is the section header index of the symbol table |
3647 | /* sh_link is the section header index of the symbol table |
3225 | this hash table or version table is for. */ |
3648 | this hash table or version table is for. */ |
3226 | s = bfd_get_section_by_name (abfd, ".dynsym"); |
3649 | s = bfd_get_section_by_name (abfd, ".dynsym"); |
3227 | if (s != NULL) |
3650 | if (s != NULL) |
3228 | d->this_hdr.sh_link = elf_section_data (s)->this_idx; |
3651 | d->this_hdr.sh_link = elf_section_data (s)->this_idx; |
3229 | break; |
3652 | break; |
3230 | 3653 | ||
3231 | case SHT_GROUP: |
3654 | case SHT_GROUP: |
3232 | d->this_hdr.sh_link = elf_onesymtab (abfd); |
3655 | d->this_hdr.sh_link = elf_onesymtab (abfd); |
3233 | } |
3656 | } |
3234 | } |
3657 | } |
3235 | 3658 | ||
3236 | for (secn = 1; secn < section_number; ++secn) |
3659 | /* Delay setting sh_name to _bfd_elf_write_object_contents so that |
3237 | if (i_shdrp[secn] == NULL) |
3660 | _bfd_elf_assign_file_positions_for_non_load can convert DWARF |
3238 | i_shdrp[secn] = i_shdrp[0]; |
3661 | debug section name from .debug_* to .zdebug_* if needed. */ |
3239 | else |
- | |
3240 | i_shdrp[secn]->sh_name = _bfd_elf_strtab_offset (elf_shstrtab (abfd), |
- | |
3241 | i_shdrp[secn]->sh_name); |
3662 | |
3242 | return TRUE; |
3663 | return TRUE; |
3243 | } |
3664 | } |
3244 | 3665 | ||
3245 | static bfd_boolean |
3666 | static bfd_boolean |
3246 | sym_is_global (bfd *abfd, asymbol *sym) |
3667 | sym_is_global (bfd *abfd, asymbol *sym) |
3247 | { |
3668 | { |
3248 | /* If the backend has a special mapping, use it. */ |
3669 | /* If the backend has a special mapping, use it. */ |
3249 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
3670 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
3250 | if (bed->elf_backend_sym_is_global) |
3671 | if (bed->elf_backend_sym_is_global) |
3251 | return (*bed->elf_backend_sym_is_global) (abfd, sym); |
3672 | return (*bed->elf_backend_sym_is_global) (abfd, sym); |
3252 | 3673 | ||
3253 | return ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_GNU_UNIQUE)) != 0 |
3674 | return ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_GNU_UNIQUE)) != 0 |
3254 | || bfd_is_und_section (bfd_get_section (sym)) |
3675 | || bfd_is_und_section (bfd_get_section (sym)) |
3255 | || bfd_is_com_section (bfd_get_section (sym))); |
3676 | || bfd_is_com_section (bfd_get_section (sym))); |
3256 | } |
3677 | } |
3257 | 3678 | ||
3258 | /* Don't output section symbols for sections that are not going to be |
3679 | /* Don't output section symbols for sections that are not going to be |
3259 | output, that are duplicates or there is no BFD section. */ |
3680 | output, that are duplicates or there is no BFD section. */ |
3260 | 3681 | ||
3261 | static bfd_boolean |
3682 | static bfd_boolean |
3262 | ignore_section_sym (bfd *abfd, asymbol *sym) |
3683 | ignore_section_sym (bfd *abfd, asymbol *sym) |
3263 | { |
3684 | { |
3264 | elf_symbol_type *type_ptr; |
3685 | elf_symbol_type *type_ptr; |
3265 | 3686 | ||
3266 | if ((sym->flags & BSF_SECTION_SYM) == 0) |
3687 | if ((sym->flags & BSF_SECTION_SYM) == 0) |
3267 | return FALSE; |
3688 | return FALSE; |
3268 | 3689 | ||
3269 | type_ptr = elf_symbol_from (abfd, sym); |
3690 | type_ptr = elf_symbol_from (abfd, sym); |
3270 | return ((type_ptr != NULL |
3691 | return ((type_ptr != NULL |
3271 | && type_ptr->internal_elf_sym.st_shndx != 0 |
3692 | && type_ptr->internal_elf_sym.st_shndx != 0 |
3272 | && bfd_is_abs_section (sym->section)) |
3693 | && bfd_is_abs_section (sym->section)) |
3273 | || !(sym->section->owner == abfd |
3694 | || !(sym->section->owner == abfd |
3274 | || (sym->section->output_section->owner == abfd |
3695 | || (sym->section->output_section->owner == abfd |
3275 | && sym->section->output_offset == 0) |
3696 | && sym->section->output_offset == 0) |
3276 | || bfd_is_abs_section (sym->section))); |
3697 | || bfd_is_abs_section (sym->section))); |
3277 | } |
3698 | } |
3278 | 3699 | ||
3279 | /* Map symbol from it's internal number to the external number, moving |
3700 | /* Map symbol from it's internal number to the external number, moving |
3280 | all local symbols to be at the head of the list. */ |
3701 | all local symbols to be at the head of the list. */ |
3281 | 3702 | ||
3282 | static bfd_boolean |
3703 | static bfd_boolean |
3283 | elf_map_symbols (bfd *abfd, unsigned int *pnum_locals) |
3704 | elf_map_symbols (bfd *abfd, unsigned int *pnum_locals) |
3284 | { |
3705 | { |
3285 | unsigned int symcount = bfd_get_symcount (abfd); |
3706 | unsigned int symcount = bfd_get_symcount (abfd); |
3286 | asymbol **syms = bfd_get_outsymbols (abfd); |
3707 | asymbol **syms = bfd_get_outsymbols (abfd); |
3287 | asymbol **sect_syms; |
3708 | asymbol **sect_syms; |
3288 | unsigned int num_locals = 0; |
3709 | unsigned int num_locals = 0; |
3289 | unsigned int num_globals = 0; |
3710 | unsigned int num_globals = 0; |
3290 | unsigned int num_locals2 = 0; |
3711 | unsigned int num_locals2 = 0; |
3291 | unsigned int num_globals2 = 0; |
3712 | unsigned int num_globals2 = 0; |
3292 | int max_index = 0; |
3713 | unsigned int max_index = 0; |
3293 | unsigned int idx; |
3714 | unsigned int idx; |
3294 | asection *asect; |
3715 | asection *asect; |
3295 | asymbol **new_syms; |
3716 | asymbol **new_syms; |
3296 | 3717 | ||
3297 | #ifdef DEBUG |
3718 | #ifdef DEBUG |
3298 | fprintf (stderr, "elf_map_symbols\n"); |
3719 | fprintf (stderr, "elf_map_symbols\n"); |
3299 | fflush (stderr); |
3720 | fflush (stderr); |
3300 | #endif |
3721 | #endif |
3301 | 3722 | ||
3302 | for (asect = abfd->sections; asect; asect = asect->next) |
3723 | for (asect = abfd->sections; asect; asect = asect->next) |
3303 | { |
3724 | { |
3304 | if (max_index < asect->index) |
3725 | if (max_index < asect->index) |
3305 | max_index = asect->index; |
3726 | max_index = asect->index; |
3306 | } |
3727 | } |
3307 | 3728 | ||
3308 | max_index++; |
3729 | max_index++; |
3309 | sect_syms = (asymbol **) bfd_zalloc2 (abfd, max_index, sizeof (asymbol *)); |
3730 | sect_syms = (asymbol **) bfd_zalloc2 (abfd, max_index, sizeof (asymbol *)); |
3310 | if (sect_syms == NULL) |
3731 | if (sect_syms == NULL) |
3311 | return FALSE; |
3732 | return FALSE; |
3312 | elf_section_syms (abfd) = sect_syms; |
3733 | elf_section_syms (abfd) = sect_syms; |
3313 | elf_num_section_syms (abfd) = max_index; |
3734 | elf_num_section_syms (abfd) = max_index; |
3314 | 3735 | ||
3315 | /* Init sect_syms entries for any section symbols we have already |
3736 | /* Init sect_syms entries for any section symbols we have already |
3316 | decided to output. */ |
3737 | decided to output. */ |
3317 | for (idx = 0; idx < symcount; idx++) |
3738 | for (idx = 0; idx < symcount; idx++) |
3318 | { |
3739 | { |
3319 | asymbol *sym = syms[idx]; |
3740 | asymbol *sym = syms[idx]; |
3320 | 3741 | ||
3321 | if ((sym->flags & BSF_SECTION_SYM) != 0 |
3742 | if ((sym->flags & BSF_SECTION_SYM) != 0 |
3322 | && sym->value == 0 |
3743 | && sym->value == 0 |
3323 | && !ignore_section_sym (abfd, sym) |
3744 | && !ignore_section_sym (abfd, sym) |
3324 | && !bfd_is_abs_section (sym->section)) |
3745 | && !bfd_is_abs_section (sym->section)) |
3325 | { |
3746 | { |
3326 | asection *sec = sym->section; |
3747 | asection *sec = sym->section; |
3327 | 3748 | ||
3328 | if (sec->owner != abfd) |
3749 | if (sec->owner != abfd) |
3329 | sec = sec->output_section; |
3750 | sec = sec->output_section; |
3330 | 3751 | ||
3331 | sect_syms[sec->index] = syms[idx]; |
3752 | sect_syms[sec->index] = syms[idx]; |
3332 | } |
3753 | } |
3333 | } |
3754 | } |
3334 | 3755 | ||
3335 | /* Classify all of the symbols. */ |
3756 | /* Classify all of the symbols. */ |
3336 | for (idx = 0; idx < symcount; idx++) |
3757 | for (idx = 0; idx < symcount; idx++) |
3337 | { |
3758 | { |
3338 | if (sym_is_global (abfd, syms[idx])) |
3759 | if (sym_is_global (abfd, syms[idx])) |
3339 | num_globals++; |
3760 | num_globals++; |
3340 | else if (!ignore_section_sym (abfd, syms[idx])) |
3761 | else if (!ignore_section_sym (abfd, syms[idx])) |
3341 | num_locals++; |
3762 | num_locals++; |
3342 | } |
3763 | } |
3343 | 3764 | ||
3344 | /* We will be adding a section symbol for each normal BFD section. Most |
3765 | /* We will be adding a section symbol for each normal BFD section. Most |
3345 | sections will already have a section symbol in outsymbols, but |
3766 | sections will already have a section symbol in outsymbols, but |
3346 | eg. SHT_GROUP sections will not, and we need the section symbol mapped |
3767 | eg. SHT_GROUP sections will not, and we need the section symbol mapped |
3347 | at least in that case. */ |
3768 | at least in that case. */ |
3348 | for (asect = abfd->sections; asect; asect = asect->next) |
3769 | for (asect = abfd->sections; asect; asect = asect->next) |
3349 | { |
3770 | { |
3350 | if (sect_syms[asect->index] == NULL) |
3771 | if (sect_syms[asect->index] == NULL) |
3351 | { |
3772 | { |
3352 | if (!sym_is_global (abfd, asect->symbol)) |
3773 | if (!sym_is_global (abfd, asect->symbol)) |
3353 | num_locals++; |
3774 | num_locals++; |
3354 | else |
3775 | else |
3355 | num_globals++; |
3776 | num_globals++; |
3356 | } |
3777 | } |
3357 | } |
3778 | } |
3358 | 3779 | ||
3359 | /* Now sort the symbols so the local symbols are first. */ |
3780 | /* Now sort the symbols so the local symbols are first. */ |
3360 | new_syms = (asymbol **) bfd_alloc2 (abfd, num_locals + num_globals, |
3781 | new_syms = (asymbol **) bfd_alloc2 (abfd, num_locals + num_globals, |
3361 | sizeof (asymbol *)); |
3782 | sizeof (asymbol *)); |
3362 | 3783 | ||
3363 | if (new_syms == NULL) |
3784 | if (new_syms == NULL) |
3364 | return FALSE; |
3785 | return FALSE; |
3365 | 3786 | ||
3366 | for (idx = 0; idx < symcount; idx++) |
3787 | for (idx = 0; idx < symcount; idx++) |
3367 | { |
3788 | { |
3368 | asymbol *sym = syms[idx]; |
3789 | asymbol *sym = syms[idx]; |
3369 | unsigned int i; |
3790 | unsigned int i; |
3370 | 3791 | ||
3371 | if (sym_is_global (abfd, sym)) |
3792 | if (sym_is_global (abfd, sym)) |
3372 | i = num_locals + num_globals2++; |
3793 | i = num_locals + num_globals2++; |
3373 | else if (!ignore_section_sym (abfd, sym)) |
3794 | else if (!ignore_section_sym (abfd, sym)) |
3374 | i = num_locals2++; |
3795 | i = num_locals2++; |
3375 | else |
3796 | else |
3376 | continue; |
3797 | continue; |
3377 | new_syms[i] = sym; |
3798 | new_syms[i] = sym; |
3378 | sym->udata.i = i + 1; |
3799 | sym->udata.i = i + 1; |
3379 | } |
3800 | } |
3380 | for (asect = abfd->sections; asect; asect = asect->next) |
3801 | for (asect = abfd->sections; asect; asect = asect->next) |
3381 | { |
3802 | { |
3382 | if (sect_syms[asect->index] == NULL) |
3803 | if (sect_syms[asect->index] == NULL) |
3383 | { |
3804 | { |
3384 | asymbol *sym = asect->symbol; |
3805 | asymbol *sym = asect->symbol; |
3385 | unsigned int i; |
3806 | unsigned int i; |
3386 | 3807 | ||
3387 | sect_syms[asect->index] = sym; |
3808 | sect_syms[asect->index] = sym; |
3388 | if (!sym_is_global (abfd, sym)) |
3809 | if (!sym_is_global (abfd, sym)) |
3389 | i = num_locals2++; |
3810 | i = num_locals2++; |
3390 | else |
3811 | else |
3391 | i = num_locals + num_globals2++; |
3812 | i = num_locals + num_globals2++; |
3392 | new_syms[i] = sym; |
3813 | new_syms[i] = sym; |
3393 | sym->udata.i = i + 1; |
3814 | sym->udata.i = i + 1; |
3394 | } |
3815 | } |
3395 | } |
3816 | } |
3396 | 3817 | ||
3397 | bfd_set_symtab (abfd, new_syms, num_locals + num_globals); |
3818 | bfd_set_symtab (abfd, new_syms, num_locals + num_globals); |
3398 | 3819 | ||
3399 | *pnum_locals = num_locals; |
3820 | *pnum_locals = num_locals; |
3400 | return TRUE; |
3821 | return TRUE; |
3401 | } |
3822 | } |
3402 | 3823 | ||
3403 | /* Align to the maximum file alignment that could be required for any |
3824 | /* Align to the maximum file alignment that could be required for any |
3404 | ELF data structure. */ |
3825 | ELF data structure. */ |
3405 | 3826 | ||
3406 | static inline file_ptr |
3827 | static inline file_ptr |
3407 | align_file_position (file_ptr off, int align) |
3828 | align_file_position (file_ptr off, int align) |
3408 | { |
3829 | { |
3409 | return (off + align - 1) & ~(align - 1); |
3830 | return (off + align - 1) & ~(align - 1); |
3410 | } |
3831 | } |
3411 | 3832 | ||
3412 | /* Assign a file position to a section, optionally aligning to the |
3833 | /* Assign a file position to a section, optionally aligning to the |
3413 | required section alignment. */ |
3834 | required section alignment. */ |
3414 | 3835 | ||
3415 | file_ptr |
3836 | file_ptr |
3416 | _bfd_elf_assign_file_position_for_section (Elf_Internal_Shdr *i_shdrp, |
3837 | _bfd_elf_assign_file_position_for_section (Elf_Internal_Shdr *i_shdrp, |
3417 | file_ptr offset, |
3838 | file_ptr offset, |
3418 | bfd_boolean align) |
3839 | bfd_boolean align) |
3419 | { |
3840 | { |
3420 | if (align && i_shdrp->sh_addralign > 1) |
3841 | if (align && i_shdrp->sh_addralign > 1) |
3421 | offset = BFD_ALIGN (offset, i_shdrp->sh_addralign); |
3842 | offset = BFD_ALIGN (offset, i_shdrp->sh_addralign); |
3422 | i_shdrp->sh_offset = offset; |
3843 | i_shdrp->sh_offset = offset; |
3423 | if (i_shdrp->bfd_section != NULL) |
3844 | if (i_shdrp->bfd_section != NULL) |
3424 | i_shdrp->bfd_section->filepos = offset; |
3845 | i_shdrp->bfd_section->filepos = offset; |
3425 | if (i_shdrp->sh_type != SHT_NOBITS) |
3846 | if (i_shdrp->sh_type != SHT_NOBITS) |
3426 | offset += i_shdrp->sh_size; |
3847 | offset += i_shdrp->sh_size; |
3427 | return offset; |
3848 | return offset; |
3428 | } |
3849 | } |
3429 | 3850 | ||
3430 | /* Compute the file positions we are going to put the sections at, and |
3851 | /* Compute the file positions we are going to put the sections at, and |
3431 | otherwise prepare to begin writing out the ELF file. If LINK_INFO |
3852 | otherwise prepare to begin writing out the ELF file. If LINK_INFO |
3432 | is not NULL, this is being called by the ELF backend linker. */ |
3853 | is not NULL, this is being called by the ELF backend linker. */ |
3433 | 3854 | ||
3434 | bfd_boolean |
3855 | bfd_boolean |
3435 | _bfd_elf_compute_section_file_positions (bfd *abfd, |
3856 | _bfd_elf_compute_section_file_positions (bfd *abfd, |
3436 | struct bfd_link_info *link_info) |
3857 | struct bfd_link_info *link_info) |
3437 | { |
3858 | { |
3438 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
3859 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
3439 | struct fake_section_arg fsargs; |
3860 | struct fake_section_arg fsargs; |
3440 | bfd_boolean failed; |
3861 | bfd_boolean failed; |
3441 | struct bfd_strtab_hash *strtab = NULL; |
3862 | struct elf_strtab_hash *strtab = NULL; |
3442 | Elf_Internal_Shdr *shstrtab_hdr; |
3863 | Elf_Internal_Shdr *shstrtab_hdr; |
3443 | bfd_boolean need_symtab; |
3864 | bfd_boolean need_symtab; |
3444 | 3865 | ||
3445 | if (abfd->output_has_begun) |
3866 | if (abfd->output_has_begun) |
3446 | return TRUE; |
3867 | return TRUE; |
3447 | 3868 | ||
3448 | /* Do any elf backend specific processing first. */ |
3869 | /* Do any elf backend specific processing first. */ |
3449 | if (bed->elf_backend_begin_write_processing) |
3870 | if (bed->elf_backend_begin_write_processing) |
3450 | (*bed->elf_backend_begin_write_processing) (abfd, link_info); |
3871 | (*bed->elf_backend_begin_write_processing) (abfd, link_info); |
3451 | 3872 | ||
3452 | if (! prep_headers (abfd)) |
3873 | if (! prep_headers (abfd)) |
3453 | return FALSE; |
3874 | return FALSE; |
3454 | 3875 | ||
3455 | /* Post process the headers if necessary. */ |
3876 | /* Post process the headers if necessary. */ |
3456 | if (bed->elf_backend_post_process_headers) |
- | |
3457 | (*bed->elf_backend_post_process_headers) (abfd, link_info); |
3877 | (*bed->elf_backend_post_process_headers) (abfd, link_info); |
3458 | 3878 | ||
3459 | fsargs.failed = FALSE; |
3879 | fsargs.failed = FALSE; |
3460 | fsargs.link_info = link_info; |
3880 | fsargs.link_info = link_info; |
3461 | bfd_map_over_sections (abfd, elf_fake_sections, &fsargs); |
3881 | bfd_map_over_sections (abfd, elf_fake_sections, &fsargs); |
3462 | if (fsargs.failed) |
3882 | if (fsargs.failed) |
3463 | return FALSE; |
3883 | return FALSE; |
3464 | 3884 | ||
3465 | if (!assign_section_numbers (abfd, link_info)) |
3885 | if (!assign_section_numbers (abfd, link_info)) |
3466 | return FALSE; |
3886 | return FALSE; |
3467 | 3887 | ||
3468 | /* The backend linker builds symbol table information itself. */ |
3888 | /* The backend linker builds symbol table information itself. */ |
3469 | need_symtab = (link_info == NULL |
3889 | need_symtab = (link_info == NULL |
3470 | && (bfd_get_symcount (abfd) > 0 |
3890 | && (bfd_get_symcount (abfd) > 0 |
3471 | || ((abfd->flags & (EXEC_P | DYNAMIC | HAS_RELOC)) |
3891 | || ((abfd->flags & (EXEC_P | DYNAMIC | HAS_RELOC)) |
3472 | == HAS_RELOC))); |
3892 | == HAS_RELOC))); |
3473 | if (need_symtab) |
3893 | if (need_symtab) |
3474 | { |
3894 | { |
3475 | /* Non-zero if doing a relocatable link. */ |
3895 | /* Non-zero if doing a relocatable link. */ |
3476 | int relocatable_p = ! (abfd->flags & (EXEC_P | DYNAMIC)); |
3896 | int relocatable_p = ! (abfd->flags & (EXEC_P | DYNAMIC)); |
3477 | 3897 | ||
3478 | if (! swap_out_syms (abfd, &strtab, relocatable_p)) |
3898 | if (! swap_out_syms (abfd, &strtab, relocatable_p)) |
3479 | return FALSE; |
3899 | return FALSE; |
3480 | } |
3900 | } |
3481 | 3901 | ||
3482 | failed = FALSE; |
3902 | failed = FALSE; |
3483 | if (link_info == NULL) |
3903 | if (link_info == NULL) |
3484 | { |
3904 | { |
3485 | bfd_map_over_sections (abfd, bfd_elf_set_group_contents, &failed); |
3905 | bfd_map_over_sections (abfd, bfd_elf_set_group_contents, &failed); |
3486 | if (failed) |
3906 | if (failed) |
3487 | return FALSE; |
3907 | return FALSE; |
3488 | } |
3908 | } |
3489 | 3909 | ||
3490 | shstrtab_hdr = &elf_tdata (abfd)->shstrtab_hdr; |
3910 | shstrtab_hdr = &elf_tdata (abfd)->shstrtab_hdr; |
3491 | /* sh_name was set in prep_headers. */ |
3911 | /* sh_name was set in prep_headers. */ |
3492 | shstrtab_hdr->sh_type = SHT_STRTAB; |
3912 | shstrtab_hdr->sh_type = SHT_STRTAB; |
3493 | shstrtab_hdr->sh_flags = 0; |
3913 | shstrtab_hdr->sh_flags = 0; |
3494 | shstrtab_hdr->sh_addr = 0; |
3914 | shstrtab_hdr->sh_addr = 0; |
3495 | shstrtab_hdr->sh_size = _bfd_elf_strtab_size (elf_shstrtab (abfd)); |
3915 | /* sh_size is set in _bfd_elf_assign_file_positions_for_non_load. */ |
3496 | shstrtab_hdr->sh_entsize = 0; |
3916 | shstrtab_hdr->sh_entsize = 0; |
3497 | shstrtab_hdr->sh_link = 0; |
3917 | shstrtab_hdr->sh_link = 0; |
3498 | shstrtab_hdr->sh_info = 0; |
3918 | shstrtab_hdr->sh_info = 0; |
3499 | /* sh_offset is set in assign_file_positions_except_relocs. */ |
3919 | /* sh_offset is set in _bfd_elf_assign_file_positions_for_non_load. */ |
3500 | shstrtab_hdr->sh_addralign = 1; |
3920 | shstrtab_hdr->sh_addralign = 1; |
3501 | 3921 | ||
3502 | if (!assign_file_positions_except_relocs (abfd, link_info)) |
3922 | if (!assign_file_positions_except_relocs (abfd, link_info)) |
3503 | return FALSE; |
3923 | return FALSE; |
3504 | 3924 | ||
3505 | if (need_symtab) |
3925 | if (need_symtab) |
3506 | { |
3926 | { |
3507 | file_ptr off; |
3927 | file_ptr off; |
3508 | Elf_Internal_Shdr *hdr; |
3928 | Elf_Internal_Shdr *hdr; |
3509 | 3929 | ||
3510 | off = elf_next_file_pos (abfd); |
3930 | off = elf_next_file_pos (abfd); |
3511 | 3931 | ||
3512 | hdr = &elf_tdata (abfd)->symtab_hdr; |
3932 | hdr = & elf_symtab_hdr (abfd); |
- | 3933 | off = _bfd_elf_assign_file_position_for_section (hdr, off, TRUE); |
|
- | 3934 | ||
3513 | off = _bfd_elf_assign_file_position_for_section (hdr, off, TRUE); |
3935 | if (elf_symtab_shndx_list (abfd) != NULL) |
3514 | 3936 | { |
|
3515 | hdr = &elf_tdata (abfd)->symtab_shndx_hdr; |
3937 | hdr = & elf_symtab_shndx_list (abfd)->hdr; |
- | 3938 | if (hdr->sh_size != 0) |
|
- | 3939 | off = _bfd_elf_assign_file_position_for_section (hdr, off, TRUE); |
|
3516 | if (hdr->sh_size != 0) |
3940 | /* FIXME: What about other symtab_shndx sections in the list ? */ |
3517 | off = _bfd_elf_assign_file_position_for_section (hdr, off, TRUE); |
3941 | } |
3518 | 3942 | ||
3519 | hdr = &elf_tdata (abfd)->strtab_hdr; |
3943 | hdr = &elf_tdata (abfd)->strtab_hdr; |
3520 | off = _bfd_elf_assign_file_position_for_section (hdr, off, TRUE); |
3944 | off = _bfd_elf_assign_file_position_for_section (hdr, off, TRUE); |
3521 | 3945 | ||
3522 | elf_next_file_pos (abfd) = off; |
3946 | elf_next_file_pos (abfd) = off; |
3523 | 3947 | ||
3524 | /* Now that we know where the .strtab section goes, write it |
3948 | /* Now that we know where the .strtab section goes, write it |
3525 | out. */ |
3949 | out. */ |
3526 | if (bfd_seek (abfd, hdr->sh_offset, SEEK_SET) != 0 |
3950 | if (bfd_seek (abfd, hdr->sh_offset, SEEK_SET) != 0 |
3527 | || ! _bfd_stringtab_emit (abfd, strtab)) |
3951 | || ! _bfd_elf_strtab_emit (abfd, strtab)) |
3528 | return FALSE; |
3952 | return FALSE; |
3529 | _bfd_stringtab_free (strtab); |
3953 | _bfd_elf_strtab_free (strtab); |
3530 | } |
3954 | } |
3531 | 3955 | ||
3532 | abfd->output_has_begun = TRUE; |
3956 | abfd->output_has_begun = TRUE; |
3533 | 3957 | ||
3534 | return TRUE; |
3958 | return TRUE; |
3535 | } |
3959 | } |
3536 | 3960 | ||
3537 | /* Make an initial estimate of the size of the program header. If we |
3961 | /* Make an initial estimate of the size of the program header. If we |
3538 | get the number wrong here, we'll redo section placement. */ |
3962 | get the number wrong here, we'll redo section placement. */ |
3539 | 3963 | ||
3540 | static bfd_size_type |
3964 | static bfd_size_type |
3541 | get_program_header_size (bfd *abfd, struct bfd_link_info *info) |
3965 | get_program_header_size (bfd *abfd, struct bfd_link_info *info) |
3542 | { |
3966 | { |
3543 | size_t segs; |
3967 | size_t segs; |
3544 | asection *s; |
3968 | asection *s; |
3545 | const struct elf_backend_data *bed; |
3969 | const struct elf_backend_data *bed; |
3546 | 3970 | ||
3547 | /* Assume we will need exactly two PT_LOAD segments: one for text |
3971 | /* Assume we will need exactly two PT_LOAD segments: one for text |
3548 | and one for data. */ |
3972 | and one for data. */ |
3549 | segs = 2; |
3973 | segs = 2; |
3550 | 3974 | ||
3551 | s = bfd_get_section_by_name (abfd, ".interp"); |
3975 | s = bfd_get_section_by_name (abfd, ".interp"); |
3552 | if (s != NULL && (s->flags & SEC_LOAD) != 0) |
3976 | if (s != NULL && (s->flags & SEC_LOAD) != 0) |
3553 | { |
3977 | { |
3554 | /* If we have a loadable interpreter section, we need a |
3978 | /* If we have a loadable interpreter section, we need a |
3555 | PT_INTERP segment. In this case, assume we also need a |
3979 | PT_INTERP segment. In this case, assume we also need a |
3556 | PT_PHDR segment, although that may not be true for all |
3980 | PT_PHDR segment, although that may not be true for all |
3557 | targets. */ |
3981 | targets. */ |
3558 | segs += 2; |
3982 | segs += 2; |
3559 | } |
3983 | } |
3560 | 3984 | ||
3561 | if (bfd_get_section_by_name (abfd, ".dynamic") != NULL) |
3985 | if (bfd_get_section_by_name (abfd, ".dynamic") != NULL) |
3562 | { |
3986 | { |
3563 | /* We need a PT_DYNAMIC segment. */ |
3987 | /* We need a PT_DYNAMIC segment. */ |
3564 | ++segs; |
3988 | ++segs; |
3565 | } |
3989 | } |
3566 | 3990 | ||
3567 | if (info != NULL && info->relro) |
3991 | if (info != NULL && info->relro) |
3568 | { |
3992 | { |
3569 | /* We need a PT_GNU_RELRO segment. */ |
3993 | /* We need a PT_GNU_RELRO segment. */ |
3570 | ++segs; |
3994 | ++segs; |
3571 | } |
3995 | } |
3572 | 3996 | ||
3573 | if (elf_eh_frame_hdr (abfd)) |
3997 | if (elf_eh_frame_hdr (abfd)) |
3574 | { |
3998 | { |
3575 | /* We need a PT_GNU_EH_FRAME segment. */ |
3999 | /* We need a PT_GNU_EH_FRAME segment. */ |
3576 | ++segs; |
4000 | ++segs; |
3577 | } |
4001 | } |
3578 | 4002 | ||
3579 | if (elf_stack_flags (abfd)) |
4003 | if (elf_stack_flags (abfd)) |
3580 | { |
4004 | { |
3581 | /* We need a PT_GNU_STACK segment. */ |
4005 | /* We need a PT_GNU_STACK segment. */ |
3582 | ++segs; |
4006 | ++segs; |
3583 | } |
4007 | } |
3584 | 4008 | ||
3585 | for (s = abfd->sections; s != NULL; s = s->next) |
4009 | for (s = abfd->sections; s != NULL; s = s->next) |
3586 | { |
4010 | { |
3587 | if ((s->flags & SEC_LOAD) != 0 |
4011 | if ((s->flags & SEC_LOAD) != 0 |
3588 | && CONST_STRNEQ (s->name, ".note")) |
4012 | && CONST_STRNEQ (s->name, ".note")) |
3589 | { |
4013 | { |
3590 | /* We need a PT_NOTE segment. */ |
4014 | /* We need a PT_NOTE segment. */ |
3591 | ++segs; |
4015 | ++segs; |
3592 | /* Try to create just one PT_NOTE segment |
4016 | /* Try to create just one PT_NOTE segment |
3593 | for all adjacent loadable .note* sections. |
4017 | for all adjacent loadable .note* sections. |
3594 | gABI requires that within a PT_NOTE segment |
4018 | gABI requires that within a PT_NOTE segment |
3595 | (and also inside of each SHT_NOTE section) |
4019 | (and also inside of each SHT_NOTE section) |
3596 | each note is padded to a multiple of 4 size, |
4020 | each note is padded to a multiple of 4 size, |
3597 | so we check whether the sections are correctly |
4021 | so we check whether the sections are correctly |
3598 | aligned. */ |
4022 | aligned. */ |
3599 | if (s->alignment_power == 2) |
4023 | if (s->alignment_power == 2) |
3600 | while (s->next != NULL |
4024 | while (s->next != NULL |
3601 | && s->next->alignment_power == 2 |
4025 | && s->next->alignment_power == 2 |
3602 | && (s->next->flags & SEC_LOAD) != 0 |
4026 | && (s->next->flags & SEC_LOAD) != 0 |
3603 | && CONST_STRNEQ (s->next->name, ".note")) |
4027 | && CONST_STRNEQ (s->next->name, ".note")) |
3604 | s = s->next; |
4028 | s = s->next; |
3605 | } |
4029 | } |
3606 | } |
4030 | } |
3607 | 4031 | ||
3608 | for (s = abfd->sections; s != NULL; s = s->next) |
4032 | for (s = abfd->sections; s != NULL; s = s->next) |
3609 | { |
4033 | { |
3610 | if (s->flags & SEC_THREAD_LOCAL) |
4034 | if (s->flags & SEC_THREAD_LOCAL) |
3611 | { |
4035 | { |
3612 | /* We need a PT_TLS segment. */ |
4036 | /* We need a PT_TLS segment. */ |
3613 | ++segs; |
4037 | ++segs; |
3614 | break; |
4038 | break; |
3615 | } |
4039 | } |
3616 | } |
4040 | } |
3617 | 4041 | ||
3618 | /* Let the backend count up any program headers it might need. */ |
4042 | /* Let the backend count up any program headers it might need. */ |
3619 | bed = get_elf_backend_data (abfd); |
4043 | bed = get_elf_backend_data (abfd); |
3620 | if (bed->elf_backend_additional_program_headers) |
4044 | if (bed->elf_backend_additional_program_headers) |
3621 | { |
4045 | { |
3622 | int a; |
4046 | int a; |
3623 | 4047 | ||
3624 | a = (*bed->elf_backend_additional_program_headers) (abfd, info); |
4048 | a = (*bed->elf_backend_additional_program_headers) (abfd, info); |
3625 | if (a == -1) |
4049 | if (a == -1) |
3626 | abort (); |
4050 | abort (); |
3627 | segs += a; |
4051 | segs += a; |
3628 | } |
4052 | } |
3629 | 4053 | ||
3630 | return segs * bed->s->sizeof_phdr; |
4054 | return segs * bed->s->sizeof_phdr; |
3631 | } |
4055 | } |
3632 | 4056 | ||
3633 | /* Find the segment that contains the output_section of section. */ |
4057 | /* Find the segment that contains the output_section of section. */ |
3634 | 4058 | ||
3635 | Elf_Internal_Phdr * |
4059 | Elf_Internal_Phdr * |
3636 | _bfd_elf_find_segment_containing_section (bfd * abfd, asection * section) |
4060 | _bfd_elf_find_segment_containing_section (bfd * abfd, asection * section) |
3637 | { |
4061 | { |
3638 | struct elf_segment_map *m; |
4062 | struct elf_segment_map *m; |
3639 | Elf_Internal_Phdr *p; |
4063 | Elf_Internal_Phdr *p; |
3640 | 4064 | ||
3641 | for (m = elf_seg_map (abfd), p = elf_tdata (abfd)->phdr; |
4065 | for (m = elf_seg_map (abfd), p = elf_tdata (abfd)->phdr; |
3642 | m != NULL; |
4066 | m != NULL; |
3643 | m = m->next, p++) |
4067 | m = m->next, p++) |
3644 | { |
4068 | { |
3645 | int i; |
4069 | int i; |
3646 | 4070 | ||
3647 | for (i = m->count - 1; i >= 0; i--) |
4071 | for (i = m->count - 1; i >= 0; i--) |
3648 | if (m->sections[i] == section) |
4072 | if (m->sections[i] == section) |
3649 | return p; |
4073 | return p; |
3650 | } |
4074 | } |
3651 | 4075 | ||
3652 | return NULL; |
4076 | return NULL; |
3653 | } |
4077 | } |
3654 | 4078 | ||
3655 | /* Create a mapping from a set of sections to a program segment. */ |
4079 | /* Create a mapping from a set of sections to a program segment. */ |
3656 | 4080 | ||
3657 | static struct elf_segment_map * |
4081 | static struct elf_segment_map * |
3658 | make_mapping (bfd *abfd, |
4082 | make_mapping (bfd *abfd, |
3659 | asection **sections, |
4083 | asection **sections, |
3660 | unsigned int from, |
4084 | unsigned int from, |
3661 | unsigned int to, |
4085 | unsigned int to, |
3662 | bfd_boolean phdr) |
4086 | bfd_boolean phdr) |
3663 | { |
4087 | { |
3664 | struct elf_segment_map *m; |
4088 | struct elf_segment_map *m; |
3665 | unsigned int i; |
4089 | unsigned int i; |
3666 | asection **hdrpp; |
4090 | asection **hdrpp; |
3667 | bfd_size_type amt; |
4091 | bfd_size_type amt; |
3668 | 4092 | ||
3669 | amt = sizeof (struct elf_segment_map); |
4093 | amt = sizeof (struct elf_segment_map); |
3670 | amt += (to - from - 1) * sizeof (asection *); |
4094 | amt += (to - from - 1) * sizeof (asection *); |
3671 | m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
4095 | m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
3672 | if (m == NULL) |
4096 | if (m == NULL) |
3673 | return NULL; |
4097 | return NULL; |
3674 | m->next = NULL; |
4098 | m->next = NULL; |
3675 | m->p_type = PT_LOAD; |
4099 | m->p_type = PT_LOAD; |
3676 | for (i = from, hdrpp = sections + from; i < to; i++, hdrpp++) |
4100 | for (i = from, hdrpp = sections + from; i < to; i++, hdrpp++) |
3677 | m->sections[i - from] = *hdrpp; |
4101 | m->sections[i - from] = *hdrpp; |
3678 | m->count = to - from; |
4102 | m->count = to - from; |
3679 | 4103 | ||
3680 | if (from == 0 && phdr) |
4104 | if (from == 0 && phdr) |
3681 | { |
4105 | { |
3682 | /* Include the headers in the first PT_LOAD segment. */ |
4106 | /* Include the headers in the first PT_LOAD segment. */ |
3683 | m->includes_filehdr = 1; |
4107 | m->includes_filehdr = 1; |
3684 | m->includes_phdrs = 1; |
4108 | m->includes_phdrs = 1; |
3685 | } |
4109 | } |
3686 | 4110 | ||
3687 | return m; |
4111 | return m; |
3688 | } |
4112 | } |
3689 | 4113 | ||
3690 | /* Create the PT_DYNAMIC segment, which includes DYNSEC. Returns NULL |
4114 | /* Create the PT_DYNAMIC segment, which includes DYNSEC. Returns NULL |
3691 | on failure. */ |
4115 | on failure. */ |
3692 | 4116 | ||
3693 | struct elf_segment_map * |
4117 | struct elf_segment_map * |
3694 | _bfd_elf_make_dynamic_segment (bfd *abfd, asection *dynsec) |
4118 | _bfd_elf_make_dynamic_segment (bfd *abfd, asection *dynsec) |
3695 | { |
4119 | { |
3696 | struct elf_segment_map *m; |
4120 | struct elf_segment_map *m; |
3697 | 4121 | ||
3698 | m = (struct elf_segment_map *) bfd_zalloc (abfd, |
4122 | m = (struct elf_segment_map *) bfd_zalloc (abfd, |
3699 | sizeof (struct elf_segment_map)); |
4123 | sizeof (struct elf_segment_map)); |
3700 | if (m == NULL) |
4124 | if (m == NULL) |
3701 | return NULL; |
4125 | return NULL; |
3702 | m->next = NULL; |
4126 | m->next = NULL; |
3703 | m->p_type = PT_DYNAMIC; |
4127 | m->p_type = PT_DYNAMIC; |
3704 | m->count = 1; |
4128 | m->count = 1; |
3705 | m->sections[0] = dynsec; |
4129 | m->sections[0] = dynsec; |
3706 | 4130 | ||
3707 | return m; |
4131 | return m; |
3708 | } |
4132 | } |
3709 | 4133 | ||
3710 | /* Possibly add or remove segments from the segment map. */ |
4134 | /* Possibly add or remove segments from the segment map. */ |
3711 | 4135 | ||
3712 | static bfd_boolean |
4136 | static bfd_boolean |
3713 | elf_modify_segment_map (bfd *abfd, |
4137 | elf_modify_segment_map (bfd *abfd, |
3714 | struct bfd_link_info *info, |
4138 | struct bfd_link_info *info, |
3715 | bfd_boolean remove_empty_load) |
4139 | bfd_boolean remove_empty_load) |
3716 | { |
4140 | { |
3717 | struct elf_segment_map **m; |
4141 | struct elf_segment_map **m; |
3718 | const struct elf_backend_data *bed; |
4142 | const struct elf_backend_data *bed; |
3719 | 4143 | ||
3720 | /* The placement algorithm assumes that non allocated sections are |
4144 | /* The placement algorithm assumes that non allocated sections are |
3721 | not in PT_LOAD segments. We ensure this here by removing such |
4145 | not in PT_LOAD segments. We ensure this here by removing such |
3722 | sections from the segment map. We also remove excluded |
4146 | sections from the segment map. We also remove excluded |
3723 | sections. Finally, any PT_LOAD segment without sections is |
4147 | sections. Finally, any PT_LOAD segment without sections is |
3724 | removed. */ |
4148 | removed. */ |
3725 | m = &elf_seg_map (abfd); |
4149 | m = &elf_seg_map (abfd); |
3726 | while (*m) |
4150 | while (*m) |
3727 | { |
4151 | { |
3728 | unsigned int i, new_count; |
4152 | unsigned int i, new_count; |
3729 | 4153 | ||
3730 | for (new_count = 0, i = 0; i < (*m)->count; i++) |
4154 | for (new_count = 0, i = 0; i < (*m)->count; i++) |
3731 | { |
4155 | { |
3732 | if (((*m)->sections[i]->flags & SEC_EXCLUDE) == 0 |
4156 | if (((*m)->sections[i]->flags & SEC_EXCLUDE) == 0 |
3733 | && (((*m)->sections[i]->flags & SEC_ALLOC) != 0 |
4157 | && (((*m)->sections[i]->flags & SEC_ALLOC) != 0 |
3734 | || (*m)->p_type != PT_LOAD)) |
4158 | || (*m)->p_type != PT_LOAD)) |
3735 | { |
4159 | { |
3736 | (*m)->sections[new_count] = (*m)->sections[i]; |
4160 | (*m)->sections[new_count] = (*m)->sections[i]; |
3737 | new_count++; |
4161 | new_count++; |
3738 | } |
4162 | } |
3739 | } |
4163 | } |
3740 | (*m)->count = new_count; |
4164 | (*m)->count = new_count; |
3741 | 4165 | ||
3742 | if (remove_empty_load && (*m)->p_type == PT_LOAD && (*m)->count == 0) |
4166 | if (remove_empty_load && (*m)->p_type == PT_LOAD && (*m)->count == 0) |
3743 | *m = (*m)->next; |
4167 | *m = (*m)->next; |
3744 | else |
4168 | else |
3745 | m = &(*m)->next; |
4169 | m = &(*m)->next; |
3746 | } |
4170 | } |
3747 | 4171 | ||
3748 | bed = get_elf_backend_data (abfd); |
4172 | bed = get_elf_backend_data (abfd); |
3749 | if (bed->elf_backend_modify_segment_map != NULL) |
4173 | if (bed->elf_backend_modify_segment_map != NULL) |
3750 | { |
4174 | { |
3751 | if (!(*bed->elf_backend_modify_segment_map) (abfd, info)) |
4175 | if (!(*bed->elf_backend_modify_segment_map) (abfd, info)) |
3752 | return FALSE; |
4176 | return FALSE; |
3753 | } |
4177 | } |
3754 | 4178 | ||
3755 | return TRUE; |
4179 | return TRUE; |
3756 | } |
4180 | } |
3757 | 4181 | ||
3758 | /* Set up a mapping from BFD sections to program segments. */ |
4182 | /* Set up a mapping from BFD sections to program segments. */ |
3759 | 4183 | ||
3760 | bfd_boolean |
4184 | bfd_boolean |
3761 | _bfd_elf_map_sections_to_segments (bfd *abfd, struct bfd_link_info *info) |
4185 | _bfd_elf_map_sections_to_segments (bfd *abfd, struct bfd_link_info *info) |
3762 | { |
4186 | { |
3763 | unsigned int count; |
4187 | unsigned int count; |
3764 | struct elf_segment_map *m; |
4188 | struct elf_segment_map *m; |
3765 | asection **sections = NULL; |
4189 | asection **sections = NULL; |
3766 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
4190 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
3767 | bfd_boolean no_user_phdrs; |
4191 | bfd_boolean no_user_phdrs; |
3768 | 4192 | ||
3769 | no_user_phdrs = elf_seg_map (abfd) == NULL; |
4193 | no_user_phdrs = elf_seg_map (abfd) == NULL; |
3770 | 4194 | ||
3771 | if (info != NULL) |
4195 | if (info != NULL) |
3772 | info->user_phdrs = !no_user_phdrs; |
4196 | info->user_phdrs = !no_user_phdrs; |
3773 | 4197 | ||
3774 | if (no_user_phdrs && bfd_count_sections (abfd) != 0) |
4198 | if (no_user_phdrs && bfd_count_sections (abfd) != 0) |
3775 | { |
4199 | { |
3776 | asection *s; |
4200 | asection *s; |
3777 | unsigned int i; |
4201 | unsigned int i; |
3778 | struct elf_segment_map *mfirst; |
4202 | struct elf_segment_map *mfirst; |
3779 | struct elf_segment_map **pm; |
4203 | struct elf_segment_map **pm; |
3780 | asection *last_hdr; |
4204 | asection *last_hdr; |
3781 | bfd_vma last_size; |
4205 | bfd_vma last_size; |
3782 | unsigned int phdr_index; |
4206 | unsigned int phdr_index; |
3783 | bfd_vma maxpagesize; |
4207 | bfd_vma maxpagesize; |
3784 | asection **hdrpp; |
4208 | asection **hdrpp; |
3785 | bfd_boolean phdr_in_segment = TRUE; |
4209 | bfd_boolean phdr_in_segment = TRUE; |
3786 | bfd_boolean writable; |
4210 | bfd_boolean writable; |
3787 | int tls_count = 0; |
4211 | int tls_count = 0; |
3788 | asection *first_tls = NULL; |
4212 | asection *first_tls = NULL; |
3789 | asection *dynsec, *eh_frame_hdr; |
4213 | asection *dynsec, *eh_frame_hdr; |
3790 | bfd_size_type amt; |
4214 | bfd_size_type amt; |
3791 | bfd_vma addr_mask, wrap_to = 0; |
4215 | bfd_vma addr_mask, wrap_to = 0; |
3792 | 4216 | ||
3793 | /* Select the allocated sections, and sort them. */ |
4217 | /* Select the allocated sections, and sort them. */ |
3794 | 4218 | ||
3795 | sections = (asection **) bfd_malloc2 (bfd_count_sections (abfd), |
4219 | sections = (asection **) bfd_malloc2 (bfd_count_sections (abfd), |
3796 | sizeof (asection *)); |
4220 | sizeof (asection *)); |
3797 | if (sections == NULL) |
4221 | if (sections == NULL) |
3798 | goto error_return; |
4222 | goto error_return; |
3799 | 4223 | ||
3800 | /* Calculate top address, avoiding undefined behaviour of shift |
4224 | /* Calculate top address, avoiding undefined behaviour of shift |
3801 | left operator when shift count is equal to size of type |
4225 | left operator when shift count is equal to size of type |
3802 | being shifted. */ |
4226 | being shifted. */ |
3803 | addr_mask = ((bfd_vma) 1 << (bfd_arch_bits_per_address (abfd) - 1)) - 1; |
4227 | addr_mask = ((bfd_vma) 1 << (bfd_arch_bits_per_address (abfd) - 1)) - 1; |
3804 | addr_mask = (addr_mask << 1) + 1; |
4228 | addr_mask = (addr_mask << 1) + 1; |
3805 | 4229 | ||
3806 | i = 0; |
4230 | i = 0; |
3807 | for (s = abfd->sections; s != NULL; s = s->next) |
4231 | for (s = abfd->sections; s != NULL; s = s->next) |
3808 | { |
4232 | { |
3809 | if ((s->flags & SEC_ALLOC) != 0) |
4233 | if ((s->flags & SEC_ALLOC) != 0) |
3810 | { |
4234 | { |
3811 | sections[i] = s; |
4235 | sections[i] = s; |
3812 | ++i; |
4236 | ++i; |
3813 | /* A wrapping section potentially clashes with header. */ |
4237 | /* A wrapping section potentially clashes with header. */ |
3814 | if (((s->lma + s->size) & addr_mask) < (s->lma & addr_mask)) |
4238 | if (((s->lma + s->size) & addr_mask) < (s->lma & addr_mask)) |
3815 | wrap_to = (s->lma + s->size) & addr_mask; |
4239 | wrap_to = (s->lma + s->size) & addr_mask; |
3816 | } |
4240 | } |
3817 | } |
4241 | } |
3818 | BFD_ASSERT (i <= bfd_count_sections (abfd)); |
4242 | BFD_ASSERT (i <= bfd_count_sections (abfd)); |
3819 | count = i; |
4243 | count = i; |
3820 | 4244 | ||
3821 | qsort (sections, (size_t) count, sizeof (asection *), elf_sort_sections); |
4245 | qsort (sections, (size_t) count, sizeof (asection *), elf_sort_sections); |
3822 | 4246 | ||
3823 | /* Build the mapping. */ |
4247 | /* Build the mapping. */ |
3824 | 4248 | ||
3825 | mfirst = NULL; |
4249 | mfirst = NULL; |
3826 | pm = &mfirst; |
4250 | pm = &mfirst; |
3827 | 4251 | ||
3828 | /* If we have a .interp section, then create a PT_PHDR segment for |
4252 | /* If we have a .interp section, then create a PT_PHDR segment for |
3829 | the program headers and a PT_INTERP segment for the .interp |
4253 | the program headers and a PT_INTERP segment for the .interp |
3830 | section. */ |
4254 | section. */ |
3831 | s = bfd_get_section_by_name (abfd, ".interp"); |
4255 | s = bfd_get_section_by_name (abfd, ".interp"); |
3832 | if (s != NULL && (s->flags & SEC_LOAD) != 0) |
4256 | if (s != NULL && (s->flags & SEC_LOAD) != 0) |
3833 | { |
4257 | { |
3834 | amt = sizeof (struct elf_segment_map); |
4258 | amt = sizeof (struct elf_segment_map); |
3835 | m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
4259 | m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
3836 | if (m == NULL) |
4260 | if (m == NULL) |
3837 | goto error_return; |
4261 | goto error_return; |
3838 | m->next = NULL; |
4262 | m->next = NULL; |
3839 | m->p_type = PT_PHDR; |
4263 | m->p_type = PT_PHDR; |
3840 | /* FIXME: UnixWare and Solaris set PF_X, Irix 5 does not. */ |
4264 | /* FIXME: UnixWare and Solaris set PF_X, Irix 5 does not. */ |
3841 | m->p_flags = PF_R | PF_X; |
4265 | m->p_flags = PF_R | PF_X; |
3842 | m->p_flags_valid = 1; |
4266 | m->p_flags_valid = 1; |
3843 | m->includes_phdrs = 1; |
4267 | m->includes_phdrs = 1; |
3844 | 4268 | ||
3845 | *pm = m; |
4269 | *pm = m; |
3846 | pm = &m->next; |
4270 | pm = &m->next; |
3847 | 4271 | ||
3848 | amt = sizeof (struct elf_segment_map); |
4272 | amt = sizeof (struct elf_segment_map); |
3849 | m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
4273 | m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
3850 | if (m == NULL) |
4274 | if (m == NULL) |
3851 | goto error_return; |
4275 | goto error_return; |
3852 | m->next = NULL; |
4276 | m->next = NULL; |
3853 | m->p_type = PT_INTERP; |
4277 | m->p_type = PT_INTERP; |
3854 | m->count = 1; |
4278 | m->count = 1; |
3855 | m->sections[0] = s; |
4279 | m->sections[0] = s; |
3856 | 4280 | ||
3857 | *pm = m; |
4281 | *pm = m; |
3858 | pm = &m->next; |
4282 | pm = &m->next; |
3859 | } |
4283 | } |
3860 | 4284 | ||
3861 | /* Look through the sections. We put sections in the same program |
4285 | /* Look through the sections. We put sections in the same program |
3862 | segment when the start of the second section can be placed within |
4286 | segment when the start of the second section can be placed within |
3863 | a few bytes of the end of the first section. */ |
4287 | a few bytes of the end of the first section. */ |
3864 | last_hdr = NULL; |
4288 | last_hdr = NULL; |
3865 | last_size = 0; |
4289 | last_size = 0; |
3866 | phdr_index = 0; |
4290 | phdr_index = 0; |
3867 | maxpagesize = bed->maxpagesize; |
4291 | maxpagesize = bed->maxpagesize; |
- | 4292 | /* PR 17512: file: c8455299. |
|
- | 4293 | Avoid divide-by-zero errors later on. |
|
- | 4294 | FIXME: Should we abort if the maxpagesize is zero ? */ |
|
- | 4295 | if (maxpagesize == 0) |
|
- | 4296 | maxpagesize = 1; |
|
3868 | writable = FALSE; |
4297 | writable = FALSE; |
3869 | dynsec = bfd_get_section_by_name (abfd, ".dynamic"); |
4298 | dynsec = bfd_get_section_by_name (abfd, ".dynamic"); |
3870 | if (dynsec != NULL |
4299 | if (dynsec != NULL |
3871 | && (dynsec->flags & SEC_LOAD) == 0) |
4300 | && (dynsec->flags & SEC_LOAD) == 0) |
3872 | dynsec = NULL; |
4301 | dynsec = NULL; |
3873 | 4302 | ||
3874 | /* Deal with -Ttext or something similar such that the first section |
4303 | /* Deal with -Ttext or something similar such that the first section |
3875 | is not adjacent to the program headers. This is an |
4304 | is not adjacent to the program headers. This is an |
3876 | approximation, since at this point we don't know exactly how many |
4305 | approximation, since at this point we don't know exactly how many |
3877 | program headers we will need. */ |
4306 | program headers we will need. */ |
3878 | if (count > 0) |
4307 | if (count > 0) |
3879 | { |
4308 | { |
3880 | bfd_size_type phdr_size = elf_program_header_size (abfd); |
4309 | bfd_size_type phdr_size = elf_program_header_size (abfd); |
3881 | 4310 | ||
3882 | if (phdr_size == (bfd_size_type) -1) |
4311 | if (phdr_size == (bfd_size_type) -1) |
3883 | phdr_size = get_program_header_size (abfd, info); |
4312 | phdr_size = get_program_header_size (abfd, info); |
3884 | phdr_size += bed->s->sizeof_ehdr; |
4313 | phdr_size += bed->s->sizeof_ehdr; |
3885 | if ((abfd->flags & D_PAGED) == 0 |
4314 | if ((abfd->flags & D_PAGED) == 0 |
3886 | || (sections[0]->lma & addr_mask) < phdr_size |
4315 | || (sections[0]->lma & addr_mask) < phdr_size |
3887 | || ((sections[0]->lma & addr_mask) % maxpagesize |
4316 | || ((sections[0]->lma & addr_mask) % maxpagesize |
3888 | < phdr_size % maxpagesize) |
4317 | < phdr_size % maxpagesize) |
3889 | || (sections[0]->lma & addr_mask & -maxpagesize) < wrap_to) |
4318 | || (sections[0]->lma & addr_mask & -maxpagesize) < wrap_to) |
3890 | phdr_in_segment = FALSE; |
4319 | phdr_in_segment = FALSE; |
3891 | } |
4320 | } |
3892 | 4321 | ||
3893 | for (i = 0, hdrpp = sections; i < count; i++, hdrpp++) |
4322 | for (i = 0, hdrpp = sections; i < count; i++, hdrpp++) |
3894 | { |
4323 | { |
3895 | asection *hdr; |
4324 | asection *hdr; |
3896 | bfd_boolean new_segment; |
4325 | bfd_boolean new_segment; |
3897 | 4326 | ||
3898 | hdr = *hdrpp; |
4327 | hdr = *hdrpp; |
3899 | 4328 | ||
3900 | /* See if this section and the last one will fit in the same |
4329 | /* See if this section and the last one will fit in the same |
3901 | segment. */ |
4330 | segment. */ |
3902 | 4331 | ||
3903 | if (last_hdr == NULL) |
4332 | if (last_hdr == NULL) |
3904 | { |
4333 | { |
3905 | /* If we don't have a segment yet, then we don't need a new |
4334 | /* If we don't have a segment yet, then we don't need a new |
3906 | one (we build the last one after this loop). */ |
4335 | one (we build the last one after this loop). */ |
3907 | new_segment = FALSE; |
4336 | new_segment = FALSE; |
3908 | } |
4337 | } |
3909 | else if (last_hdr->lma - last_hdr->vma != hdr->lma - hdr->vma) |
4338 | else if (last_hdr->lma - last_hdr->vma != hdr->lma - hdr->vma) |
3910 | { |
4339 | { |
3911 | /* If this section has a different relation between the |
4340 | /* If this section has a different relation between the |
3912 | virtual address and the load address, then we need a new |
4341 | virtual address and the load address, then we need a new |
3913 | segment. */ |
4342 | segment. */ |
3914 | new_segment = TRUE; |
4343 | new_segment = TRUE; |
3915 | } |
4344 | } |
3916 | else if (hdr->lma < last_hdr->lma + last_size |
4345 | else if (hdr->lma < last_hdr->lma + last_size |
3917 | || last_hdr->lma + last_size < last_hdr->lma) |
4346 | || last_hdr->lma + last_size < last_hdr->lma) |
3918 | { |
4347 | { |
3919 | /* If this section has a load address that makes it overlap |
4348 | /* If this section has a load address that makes it overlap |
3920 | the previous section, then we need a new segment. */ |
4349 | the previous section, then we need a new segment. */ |
3921 | new_segment = TRUE; |
4350 | new_segment = TRUE; |
3922 | } |
4351 | } |
3923 | /* In the next test we have to be careful when last_hdr->lma is close |
4352 | /* In the next test we have to be careful when last_hdr->lma is close |
3924 | to the end of the address space. If the aligned address wraps |
4353 | to the end of the address space. If the aligned address wraps |
3925 | around to the start of the address space, then there are no more |
4354 | around to the start of the address space, then there are no more |
3926 | pages left in memory and it is OK to assume that the current |
4355 | pages left in memory and it is OK to assume that the current |
3927 | section can be included in the current segment. */ |
4356 | section can be included in the current segment. */ |
3928 | else if ((BFD_ALIGN (last_hdr->lma + last_size, maxpagesize) + maxpagesize |
4357 | else if ((BFD_ALIGN (last_hdr->lma + last_size, maxpagesize) + maxpagesize |
3929 | > last_hdr->lma) |
4358 | > last_hdr->lma) |
3930 | && (BFD_ALIGN (last_hdr->lma + last_size, maxpagesize) + maxpagesize |
4359 | && (BFD_ALIGN (last_hdr->lma + last_size, maxpagesize) + maxpagesize |
3931 | <= hdr->lma)) |
4360 | <= hdr->lma)) |
3932 | { |
4361 | { |
3933 | /* If putting this section in this segment would force us to |
4362 | /* If putting this section in this segment would force us to |
3934 | skip a page in the segment, then we need a new segment. */ |
4363 | skip a page in the segment, then we need a new segment. */ |
3935 | new_segment = TRUE; |
4364 | new_segment = TRUE; |
3936 | } |
4365 | } |
3937 | else if ((last_hdr->flags & (SEC_LOAD | SEC_THREAD_LOCAL)) == 0 |
4366 | else if ((last_hdr->flags & (SEC_LOAD | SEC_THREAD_LOCAL)) == 0 |
3938 | && (hdr->flags & (SEC_LOAD | SEC_THREAD_LOCAL)) != 0) |
4367 | && (hdr->flags & (SEC_LOAD | SEC_THREAD_LOCAL)) != 0 |
- | 4368 | && ((abfd->flags & D_PAGED) == 0 |
|
- | 4369 | || (((last_hdr->lma + last_size - 1) & -maxpagesize) |
|
- | 4370 | != (hdr->lma & -maxpagesize)))) |
|
3939 | { |
4371 | { |
3940 | /* We don't want to put a loadable section after a |
4372 | /* We don't want to put a loaded section after a |
3941 | nonloadable section in the same segment. |
4373 | nonloaded (ie. bss style) section in the same segment |
- | 4374 | as that will force the non-loaded section to be loaded. |
|
3942 | Consider .tbss sections as loadable for this purpose. */ |
4375 | Consider .tbss sections as loaded for this purpose. |
- | 4376 | However, like the writable/non-writable case below, |
|
- | 4377 | if they are on the same page then they must be put |
|
- | 4378 | in the same segment. */ |
|
3943 | new_segment = TRUE; |
4379 | new_segment = TRUE; |
3944 | } |
4380 | } |
3945 | else if ((abfd->flags & D_PAGED) == 0) |
4381 | else if ((abfd->flags & D_PAGED) == 0) |
3946 | { |
4382 | { |
3947 | /* If the file is not demand paged, which means that we |
4383 | /* If the file is not demand paged, which means that we |
3948 | don't require the sections to be correctly aligned in the |
4384 | don't require the sections to be correctly aligned in the |
3949 | file, then there is no other reason for a new segment. */ |
4385 | file, then there is no other reason for a new segment. */ |
3950 | new_segment = FALSE; |
4386 | new_segment = FALSE; |
3951 | } |
4387 | } |
3952 | else if (! writable |
4388 | else if (! writable |
3953 | && (hdr->flags & SEC_READONLY) == 0 |
4389 | && (hdr->flags & SEC_READONLY) == 0 |
3954 | && (((last_hdr->lma + last_size - 1) & -maxpagesize) |
4390 | && (((last_hdr->lma + last_size - 1) & -maxpagesize) |
3955 | != (hdr->lma & -maxpagesize))) |
4391 | != (hdr->lma & -maxpagesize))) |
3956 | { |
4392 | { |
3957 | /* We don't want to put a writable section in a read only |
4393 | /* We don't want to put a writable section in a read only |
3958 | segment, unless they are on the same page in memory |
4394 | segment, unless they are on the same page in memory |
3959 | anyhow. We already know that the last section does not |
4395 | anyhow. We already know that the last section does not |
3960 | bring us past the current section on the page, so the |
4396 | bring us past the current section on the page, so the |
3961 | only case in which the new section is not on the same |
4397 | only case in which the new section is not on the same |
3962 | page as the previous section is when the previous section |
4398 | page as the previous section is when the previous section |
3963 | ends precisely on a page boundary. */ |
4399 | ends precisely on a page boundary. */ |
3964 | new_segment = TRUE; |
4400 | new_segment = TRUE; |
3965 | } |
4401 | } |
3966 | else |
4402 | else |
3967 | { |
4403 | { |
3968 | /* Otherwise, we can use the same segment. */ |
4404 | /* Otherwise, we can use the same segment. */ |
3969 | new_segment = FALSE; |
4405 | new_segment = FALSE; |
3970 | } |
4406 | } |
3971 | 4407 | ||
3972 | /* Allow interested parties a chance to override our decision. */ |
4408 | /* Allow interested parties a chance to override our decision. */ |
3973 | if (last_hdr != NULL |
4409 | if (last_hdr != NULL |
3974 | && info != NULL |
4410 | && info != NULL |
3975 | && info->callbacks->override_segment_assignment != NULL) |
4411 | && info->callbacks->override_segment_assignment != NULL) |
3976 | new_segment |
4412 | new_segment |
3977 | = info->callbacks->override_segment_assignment (info, abfd, hdr, |
4413 | = info->callbacks->override_segment_assignment (info, abfd, hdr, |
3978 | last_hdr, |
4414 | last_hdr, |
3979 | new_segment); |
4415 | new_segment); |
3980 | 4416 | ||
3981 | if (! new_segment) |
4417 | if (! new_segment) |
3982 | { |
4418 | { |
3983 | if ((hdr->flags & SEC_READONLY) == 0) |
4419 | if ((hdr->flags & SEC_READONLY) == 0) |
3984 | writable = TRUE; |
4420 | writable = TRUE; |
3985 | last_hdr = hdr; |
4421 | last_hdr = hdr; |
3986 | /* .tbss sections effectively have zero size. */ |
4422 | /* .tbss sections effectively have zero size. */ |
3987 | if ((hdr->flags & (SEC_THREAD_LOCAL | SEC_LOAD)) |
4423 | if ((hdr->flags & (SEC_THREAD_LOCAL | SEC_LOAD)) |
3988 | != SEC_THREAD_LOCAL) |
4424 | != SEC_THREAD_LOCAL) |
3989 | last_size = hdr->size; |
4425 | last_size = hdr->size; |
3990 | else |
4426 | else |
3991 | last_size = 0; |
4427 | last_size = 0; |
3992 | continue; |
4428 | continue; |
3993 | } |
4429 | } |
3994 | 4430 | ||
3995 | /* We need a new program segment. We must create a new program |
4431 | /* We need a new program segment. We must create a new program |
3996 | header holding all the sections from phdr_index until hdr. */ |
4432 | header holding all the sections from phdr_index until hdr. */ |
3997 | 4433 | ||
3998 | m = make_mapping (abfd, sections, phdr_index, i, phdr_in_segment); |
4434 | m = make_mapping (abfd, sections, phdr_index, i, phdr_in_segment); |
3999 | if (m == NULL) |
4435 | if (m == NULL) |
4000 | goto error_return; |
4436 | goto error_return; |
4001 | 4437 | ||
4002 | *pm = m; |
4438 | *pm = m; |
4003 | pm = &m->next; |
4439 | pm = &m->next; |
4004 | 4440 | ||
4005 | if ((hdr->flags & SEC_READONLY) == 0) |
4441 | if ((hdr->flags & SEC_READONLY) == 0) |
4006 | writable = TRUE; |
4442 | writable = TRUE; |
4007 | else |
4443 | else |
4008 | writable = FALSE; |
4444 | writable = FALSE; |
4009 | 4445 | ||
4010 | last_hdr = hdr; |
4446 | last_hdr = hdr; |
4011 | /* .tbss sections effectively have zero size. */ |
4447 | /* .tbss sections effectively have zero size. */ |
4012 | if ((hdr->flags & (SEC_THREAD_LOCAL | SEC_LOAD)) != SEC_THREAD_LOCAL) |
4448 | if ((hdr->flags & (SEC_THREAD_LOCAL | SEC_LOAD)) != SEC_THREAD_LOCAL) |
4013 | last_size = hdr->size; |
4449 | last_size = hdr->size; |
4014 | else |
4450 | else |
4015 | last_size = 0; |
4451 | last_size = 0; |
4016 | phdr_index = i; |
4452 | phdr_index = i; |
4017 | phdr_in_segment = FALSE; |
4453 | phdr_in_segment = FALSE; |
4018 | } |
4454 | } |
4019 | 4455 | ||
4020 | /* Create a final PT_LOAD program segment, but not if it's just |
4456 | /* Create a final PT_LOAD program segment, but not if it's just |
4021 | for .tbss. */ |
4457 | for .tbss. */ |
4022 | if (last_hdr != NULL |
4458 | if (last_hdr != NULL |
4023 | && (i - phdr_index != 1 |
4459 | && (i - phdr_index != 1 |
4024 | || ((last_hdr->flags & (SEC_THREAD_LOCAL | SEC_LOAD)) |
4460 | || ((last_hdr->flags & (SEC_THREAD_LOCAL | SEC_LOAD)) |
4025 | != SEC_THREAD_LOCAL))) |
4461 | != SEC_THREAD_LOCAL))) |
4026 | { |
4462 | { |
4027 | m = make_mapping (abfd, sections, phdr_index, i, phdr_in_segment); |
4463 | m = make_mapping (abfd, sections, phdr_index, i, phdr_in_segment); |
4028 | if (m == NULL) |
4464 | if (m == NULL) |
4029 | goto error_return; |
4465 | goto error_return; |
4030 | 4466 | ||
4031 | *pm = m; |
4467 | *pm = m; |
4032 | pm = &m->next; |
4468 | pm = &m->next; |
4033 | } |
4469 | } |
4034 | 4470 | ||
4035 | /* If there is a .dynamic section, throw in a PT_DYNAMIC segment. */ |
4471 | /* If there is a .dynamic section, throw in a PT_DYNAMIC segment. */ |
4036 | if (dynsec != NULL) |
4472 | if (dynsec != NULL) |
4037 | { |
4473 | { |
4038 | m = _bfd_elf_make_dynamic_segment (abfd, dynsec); |
4474 | m = _bfd_elf_make_dynamic_segment (abfd, dynsec); |
4039 | if (m == NULL) |
4475 | if (m == NULL) |
4040 | goto error_return; |
4476 | goto error_return; |
4041 | *pm = m; |
4477 | *pm = m; |
4042 | pm = &m->next; |
4478 | pm = &m->next; |
4043 | } |
4479 | } |
4044 | 4480 | ||
4045 | /* For each batch of consecutive loadable .note sections, |
4481 | /* For each batch of consecutive loadable .note sections, |
4046 | add a PT_NOTE segment. We don't use bfd_get_section_by_name, |
4482 | add a PT_NOTE segment. We don't use bfd_get_section_by_name, |
4047 | because if we link together nonloadable .note sections and |
4483 | because if we link together nonloadable .note sections and |
4048 | loadable .note sections, we will generate two .note sections |
4484 | loadable .note sections, we will generate two .note sections |
4049 | in the output file. FIXME: Using names for section types is |
4485 | in the output file. FIXME: Using names for section types is |
4050 | bogus anyhow. */ |
4486 | bogus anyhow. */ |
4051 | for (s = abfd->sections; s != NULL; s = s->next) |
4487 | for (s = abfd->sections; s != NULL; s = s->next) |
4052 | { |
4488 | { |
4053 | if ((s->flags & SEC_LOAD) != 0 |
4489 | if ((s->flags & SEC_LOAD) != 0 |
4054 | && CONST_STRNEQ (s->name, ".note")) |
4490 | && CONST_STRNEQ (s->name, ".note")) |
4055 | { |
4491 | { |
4056 | asection *s2; |
4492 | asection *s2; |
4057 | 4493 | ||
4058 | count = 1; |
4494 | count = 1; |
4059 | amt = sizeof (struct elf_segment_map); |
4495 | amt = sizeof (struct elf_segment_map); |
4060 | if (s->alignment_power == 2) |
4496 | if (s->alignment_power == 2) |
4061 | for (s2 = s; s2->next != NULL; s2 = s2->next) |
4497 | for (s2 = s; s2->next != NULL; s2 = s2->next) |
4062 | { |
4498 | { |
4063 | if (s2->next->alignment_power == 2 |
4499 | if (s2->next->alignment_power == 2 |
4064 | && (s2->next->flags & SEC_LOAD) != 0 |
4500 | && (s2->next->flags & SEC_LOAD) != 0 |
4065 | && CONST_STRNEQ (s2->next->name, ".note") |
4501 | && CONST_STRNEQ (s2->next->name, ".note") |
4066 | && align_power (s2->lma + s2->size, 2) |
4502 | && align_power (s2->lma + s2->size, 2) |
4067 | == s2->next->lma) |
4503 | == s2->next->lma) |
4068 | count++; |
4504 | count++; |
4069 | else |
4505 | else |
4070 | break; |
4506 | break; |
4071 | } |
4507 | } |
4072 | amt += (count - 1) * sizeof (asection *); |
4508 | amt += (count - 1) * sizeof (asection *); |
4073 | m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
4509 | m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
4074 | if (m == NULL) |
4510 | if (m == NULL) |
4075 | goto error_return; |
4511 | goto error_return; |
4076 | m->next = NULL; |
4512 | m->next = NULL; |
4077 | m->p_type = PT_NOTE; |
4513 | m->p_type = PT_NOTE; |
4078 | m->count = count; |
4514 | m->count = count; |
4079 | while (count > 1) |
4515 | while (count > 1) |
4080 | { |
4516 | { |
4081 | m->sections[m->count - count--] = s; |
4517 | m->sections[m->count - count--] = s; |
4082 | BFD_ASSERT ((s->flags & SEC_THREAD_LOCAL) == 0); |
4518 | BFD_ASSERT ((s->flags & SEC_THREAD_LOCAL) == 0); |
4083 | s = s->next; |
4519 | s = s->next; |
4084 | } |
4520 | } |
4085 | m->sections[m->count - 1] = s; |
4521 | m->sections[m->count - 1] = s; |
4086 | BFD_ASSERT ((s->flags & SEC_THREAD_LOCAL) == 0); |
4522 | BFD_ASSERT ((s->flags & SEC_THREAD_LOCAL) == 0); |
4087 | *pm = m; |
4523 | *pm = m; |
4088 | pm = &m->next; |
4524 | pm = &m->next; |
4089 | } |
4525 | } |
4090 | if (s->flags & SEC_THREAD_LOCAL) |
4526 | if (s->flags & SEC_THREAD_LOCAL) |
4091 | { |
4527 | { |
4092 | if (! tls_count) |
4528 | if (! tls_count) |
4093 | first_tls = s; |
4529 | first_tls = s; |
4094 | tls_count++; |
4530 | tls_count++; |
4095 | } |
4531 | } |
4096 | } |
4532 | } |
4097 | 4533 | ||
4098 | /* If there are any SHF_TLS output sections, add PT_TLS segment. */ |
4534 | /* If there are any SHF_TLS output sections, add PT_TLS segment. */ |
4099 | if (tls_count > 0) |
4535 | if (tls_count > 0) |
4100 | { |
4536 | { |
4101 | amt = sizeof (struct elf_segment_map); |
4537 | amt = sizeof (struct elf_segment_map); |
4102 | amt += (tls_count - 1) * sizeof (asection *); |
4538 | amt += (tls_count - 1) * sizeof (asection *); |
4103 | m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
4539 | m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
4104 | if (m == NULL) |
4540 | if (m == NULL) |
4105 | goto error_return; |
4541 | goto error_return; |
4106 | m->next = NULL; |
4542 | m->next = NULL; |
4107 | m->p_type = PT_TLS; |
4543 | m->p_type = PT_TLS; |
4108 | m->count = tls_count; |
4544 | m->count = tls_count; |
4109 | /* Mandated PF_R. */ |
4545 | /* Mandated PF_R. */ |
4110 | m->p_flags = PF_R; |
4546 | m->p_flags = PF_R; |
4111 | m->p_flags_valid = 1; |
4547 | m->p_flags_valid = 1; |
- | 4548 | s = first_tls; |
|
4112 | for (i = 0; i < (unsigned int) tls_count; ++i) |
4549 | for (i = 0; i < (unsigned int) tls_count; ++i) |
4113 | { |
4550 | { |
4114 | BFD_ASSERT (first_tls->flags & SEC_THREAD_LOCAL); |
4551 | if ((s->flags & SEC_THREAD_LOCAL) == 0) |
- | 4552 | { |
|
- | 4553 | _bfd_error_handler |
|
- | 4554 | (_("%B: TLS sections are not adjacent:"), abfd); |
|
- | 4555 | s = first_tls; |
|
- | 4556 | i = 0; |
|
- | 4557 | while (i < (unsigned int) tls_count) |
|
- | 4558 | { |
|
- | 4559 | if ((s->flags & SEC_THREAD_LOCAL) != 0) |
|
- | 4560 | { |
|
- | 4561 | _bfd_error_handler (_(" TLS: %A"), s); |
|
- | 4562 | i++; |
|
- | 4563 | } |
|
- | 4564 | else |
|
- | 4565 | _bfd_error_handler (_(" non-TLS: %A"), s); |
|
- | 4566 | s = s->next; |
|
- | 4567 | } |
|
- | 4568 | bfd_set_error (bfd_error_bad_value); |
|
- | 4569 | goto error_return; |
|
- | 4570 | } |
|
4115 | m->sections[i] = first_tls; |
4571 | m->sections[i] = s; |
4116 | first_tls = first_tls->next; |
4572 | s = s->next; |
4117 | } |
4573 | } |
4118 | 4574 | ||
4119 | *pm = m; |
4575 | *pm = m; |
4120 | pm = &m->next; |
4576 | pm = &m->next; |
4121 | } |
4577 | } |
4122 | 4578 | ||
4123 | /* If there is a .eh_frame_hdr section, throw in a PT_GNU_EH_FRAME |
4579 | /* If there is a .eh_frame_hdr section, throw in a PT_GNU_EH_FRAME |
4124 | segment. */ |
4580 | segment. */ |
4125 | eh_frame_hdr = elf_eh_frame_hdr (abfd); |
4581 | eh_frame_hdr = elf_eh_frame_hdr (abfd); |
4126 | if (eh_frame_hdr != NULL |
4582 | if (eh_frame_hdr != NULL |
4127 | && (eh_frame_hdr->output_section->flags & SEC_LOAD) != 0) |
4583 | && (eh_frame_hdr->output_section->flags & SEC_LOAD) != 0) |
4128 | { |
4584 | { |
4129 | amt = sizeof (struct elf_segment_map); |
4585 | amt = sizeof (struct elf_segment_map); |
4130 | m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
4586 | m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
4131 | if (m == NULL) |
4587 | if (m == NULL) |
4132 | goto error_return; |
4588 | goto error_return; |
4133 | m->next = NULL; |
4589 | m->next = NULL; |
4134 | m->p_type = PT_GNU_EH_FRAME; |
4590 | m->p_type = PT_GNU_EH_FRAME; |
4135 | m->count = 1; |
4591 | m->count = 1; |
4136 | m->sections[0] = eh_frame_hdr->output_section; |
4592 | m->sections[0] = eh_frame_hdr->output_section; |
4137 | 4593 | ||
4138 | *pm = m; |
4594 | *pm = m; |
4139 | pm = &m->next; |
4595 | pm = &m->next; |
4140 | } |
4596 | } |
4141 | 4597 | ||
4142 | if (elf_stack_flags (abfd)) |
4598 | if (elf_stack_flags (abfd)) |
4143 | { |
4599 | { |
4144 | amt = sizeof (struct elf_segment_map); |
4600 | amt = sizeof (struct elf_segment_map); |
4145 | m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
4601 | m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
4146 | if (m == NULL) |
4602 | if (m == NULL) |
4147 | goto error_return; |
4603 | goto error_return; |
4148 | m->next = NULL; |
4604 | m->next = NULL; |
4149 | m->p_type = PT_GNU_STACK; |
4605 | m->p_type = PT_GNU_STACK; |
4150 | m->p_flags = elf_stack_flags (abfd); |
4606 | m->p_flags = elf_stack_flags (abfd); |
4151 | m->p_align = bed->stack_align; |
4607 | m->p_align = bed->stack_align; |
4152 | m->p_flags_valid = 1; |
4608 | m->p_flags_valid = 1; |
4153 | m->p_align_valid = m->p_align != 0; |
4609 | m->p_align_valid = m->p_align != 0; |
4154 | if (info->stacksize > 0) |
4610 | if (info->stacksize > 0) |
4155 | { |
4611 | { |
4156 | m->p_size = info->stacksize; |
4612 | m->p_size = info->stacksize; |
4157 | m->p_size_valid = 1; |
4613 | m->p_size_valid = 1; |
4158 | } |
4614 | } |
4159 | 4615 | ||
4160 | *pm = m; |
4616 | *pm = m; |
4161 | pm = &m->next; |
4617 | pm = &m->next; |
4162 | } |
4618 | } |
4163 | 4619 | ||
4164 | if (info != NULL && info->relro) |
4620 | if (info != NULL && info->relro) |
4165 | { |
4621 | { |
4166 | for (m = mfirst; m != NULL; m = m->next) |
4622 | for (m = mfirst; m != NULL; m = m->next) |
4167 | { |
4623 | { |
4168 | if (m->p_type == PT_LOAD |
4624 | if (m->p_type == PT_LOAD |
4169 | && m->count != 0 |
4625 | && m->count != 0 |
4170 | && m->sections[0]->vma >= info->relro_start |
4626 | && m->sections[0]->vma >= info->relro_start |
4171 | && m->sections[0]->vma < info->relro_end) |
4627 | && m->sections[0]->vma < info->relro_end) |
4172 | { |
4628 | { |
4173 | i = m->count; |
4629 | i = m->count; |
4174 | while (--i != (unsigned) -1) |
4630 | while (--i != (unsigned) -1) |
4175 | if ((m->sections[i]->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) |
4631 | if ((m->sections[i]->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) |
4176 | == (SEC_LOAD | SEC_HAS_CONTENTS)) |
4632 | == (SEC_LOAD | SEC_HAS_CONTENTS)) |
4177 | break; |
4633 | break; |
4178 | 4634 | ||
4179 | if (i == (unsigned) -1) |
- | |
4180 | continue; |
- | |
4181 | - | ||
4182 | if (m->sections[i]->vma + m->sections[i]->size |
- | |
4183 | >= info->relro_end) |
4635 | if (i != (unsigned) -1) |
4184 | break; |
4636 | break; |
4185 | } |
4637 | } |
4186 | } |
4638 | } |
4187 | 4639 | ||
4188 | /* Make a PT_GNU_RELRO segment only when it isn't empty. */ |
4640 | /* Make a PT_GNU_RELRO segment only when it isn't empty. */ |
4189 | if (m != NULL) |
4641 | if (m != NULL) |
4190 | { |
4642 | { |
4191 | amt = sizeof (struct elf_segment_map); |
4643 | amt = sizeof (struct elf_segment_map); |
4192 | m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
4644 | m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
4193 | if (m == NULL) |
4645 | if (m == NULL) |
4194 | goto error_return; |
4646 | goto error_return; |
4195 | m->next = NULL; |
4647 | m->next = NULL; |
4196 | m->p_type = PT_GNU_RELRO; |
4648 | m->p_type = PT_GNU_RELRO; |
4197 | m->p_flags = PF_R; |
- | |
4198 | m->p_flags_valid = 1; |
- | |
4199 | - | ||
4200 | *pm = m; |
4649 | *pm = m; |
4201 | pm = &m->next; |
4650 | pm = &m->next; |
4202 | } |
4651 | } |
4203 | } |
4652 | } |
4204 | 4653 | ||
4205 | free (sections); |
4654 | free (sections); |
4206 | elf_seg_map (abfd) = mfirst; |
4655 | elf_seg_map (abfd) = mfirst; |
4207 | } |
4656 | } |
4208 | 4657 | ||
4209 | if (!elf_modify_segment_map (abfd, info, no_user_phdrs)) |
4658 | if (!elf_modify_segment_map (abfd, info, no_user_phdrs)) |
4210 | return FALSE; |
4659 | return FALSE; |
4211 | 4660 | ||
4212 | for (count = 0, m = elf_seg_map (abfd); m != NULL; m = m->next) |
4661 | for (count = 0, m = elf_seg_map (abfd); m != NULL; m = m->next) |
4213 | ++count; |
4662 | ++count; |
4214 | elf_program_header_size (abfd) = count * bed->s->sizeof_phdr; |
4663 | elf_program_header_size (abfd) = count * bed->s->sizeof_phdr; |
4215 | 4664 | ||
4216 | return TRUE; |
4665 | return TRUE; |
4217 | 4666 | ||
4218 | error_return: |
4667 | error_return: |
4219 | if (sections != NULL) |
4668 | if (sections != NULL) |
4220 | free (sections); |
4669 | free (sections); |
4221 | return FALSE; |
4670 | return FALSE; |
4222 | } |
4671 | } |
4223 | 4672 | ||
4224 | /* Sort sections by address. */ |
4673 | /* Sort sections by address. */ |
4225 | 4674 | ||
4226 | static int |
4675 | static int |
4227 | elf_sort_sections (const void *arg1, const void *arg2) |
4676 | elf_sort_sections (const void *arg1, const void *arg2) |
4228 | { |
4677 | { |
4229 | const asection *sec1 = *(const asection **) arg1; |
4678 | const asection *sec1 = *(const asection **) arg1; |
4230 | const asection *sec2 = *(const asection **) arg2; |
4679 | const asection *sec2 = *(const asection **) arg2; |
4231 | bfd_size_type size1, size2; |
4680 | bfd_size_type size1, size2; |
4232 | 4681 | ||
4233 | /* Sort by LMA first, since this is the address used to |
4682 | /* Sort by LMA first, since this is the address used to |
4234 | place the section into a segment. */ |
4683 | place the section into a segment. */ |
4235 | if (sec1->lma < sec2->lma) |
4684 | if (sec1->lma < sec2->lma) |
4236 | return -1; |
4685 | return -1; |
4237 | else if (sec1->lma > sec2->lma) |
4686 | else if (sec1->lma > sec2->lma) |
4238 | return 1; |
4687 | return 1; |
4239 | 4688 | ||
4240 | /* Then sort by VMA. Normally the LMA and the VMA will be |
4689 | /* Then sort by VMA. Normally the LMA and the VMA will be |
4241 | the same, and this will do nothing. */ |
4690 | the same, and this will do nothing. */ |
4242 | if (sec1->vma < sec2->vma) |
4691 | if (sec1->vma < sec2->vma) |
4243 | return -1; |
4692 | return -1; |
4244 | else if (sec1->vma > sec2->vma) |
4693 | else if (sec1->vma > sec2->vma) |
4245 | return 1; |
4694 | return 1; |
4246 | 4695 | ||
4247 | /* Put !SEC_LOAD sections after SEC_LOAD ones. */ |
4696 | /* Put !SEC_LOAD sections after SEC_LOAD ones. */ |
4248 | 4697 | ||
4249 | #define TOEND(x) (((x)->flags & (SEC_LOAD | SEC_THREAD_LOCAL)) == 0) |
4698 | #define TOEND(x) (((x)->flags & (SEC_LOAD | SEC_THREAD_LOCAL)) == 0) |
4250 | 4699 | ||
4251 | if (TOEND (sec1)) |
4700 | if (TOEND (sec1)) |
4252 | { |
4701 | { |
4253 | if (TOEND (sec2)) |
4702 | if (TOEND (sec2)) |
4254 | { |
4703 | { |
4255 | /* If the indicies are the same, do not return 0 |
4704 | /* If the indicies are the same, do not return 0 |
4256 | here, but continue to try the next comparison. */ |
4705 | here, but continue to try the next comparison. */ |
4257 | if (sec1->target_index - sec2->target_index != 0) |
4706 | if (sec1->target_index - sec2->target_index != 0) |
4258 | return sec1->target_index - sec2->target_index; |
4707 | return sec1->target_index - sec2->target_index; |
4259 | } |
4708 | } |
4260 | else |
4709 | else |
4261 | return 1; |
4710 | return 1; |
4262 | } |
4711 | } |
4263 | else if (TOEND (sec2)) |
4712 | else if (TOEND (sec2)) |
4264 | return -1; |
4713 | return -1; |
4265 | 4714 | ||
4266 | #undef TOEND |
4715 | #undef TOEND |
4267 | 4716 | ||
4268 | /* Sort by size, to put zero sized sections |
4717 | /* Sort by size, to put zero sized sections |
4269 | before others at the same address. */ |
4718 | before others at the same address. */ |
4270 | 4719 | ||
4271 | size1 = (sec1->flags & SEC_LOAD) ? sec1->size : 0; |
4720 | size1 = (sec1->flags & SEC_LOAD) ? sec1->size : 0; |
4272 | size2 = (sec2->flags & SEC_LOAD) ? sec2->size : 0; |
4721 | size2 = (sec2->flags & SEC_LOAD) ? sec2->size : 0; |
4273 | 4722 | ||
4274 | if (size1 < size2) |
4723 | if (size1 < size2) |
4275 | return -1; |
4724 | return -1; |
4276 | if (size1 > size2) |
4725 | if (size1 > size2) |
4277 | return 1; |
4726 | return 1; |
4278 | 4727 | ||
4279 | return sec1->target_index - sec2->target_index; |
4728 | return sec1->target_index - sec2->target_index; |
4280 | } |
4729 | } |
4281 | 4730 | ||
4282 | /* Ian Lance Taylor writes: |
4731 | /* Ian Lance Taylor writes: |
4283 | 4732 | ||
4284 | We shouldn't be using % with a negative signed number. That's just |
4733 | We shouldn't be using % with a negative signed number. That's just |
4285 | not good. We have to make sure either that the number is not |
4734 | not good. We have to make sure either that the number is not |
4286 | negative, or that the number has an unsigned type. When the types |
4735 | negative, or that the number has an unsigned type. When the types |
4287 | are all the same size they wind up as unsigned. When file_ptr is a |
4736 | are all the same size they wind up as unsigned. When file_ptr is a |
4288 | larger signed type, the arithmetic winds up as signed long long, |
4737 | larger signed type, the arithmetic winds up as signed long long, |
4289 | which is wrong. |
4738 | which is wrong. |
4290 | 4739 | ||
4291 | What we're trying to say here is something like ``increase OFF by |
4740 | What we're trying to say here is something like ``increase OFF by |
4292 | the least amount that will cause it to be equal to the VMA modulo |
4741 | the least amount that will cause it to be equal to the VMA modulo |
4293 | the page size.'' */ |
4742 | the page size.'' */ |
4294 | /* In other words, something like: |
4743 | /* In other words, something like: |
4295 | 4744 | ||
4296 | vma_offset = m->sections[0]->vma % bed->maxpagesize; |
4745 | vma_offset = m->sections[0]->vma % bed->maxpagesize; |
4297 | off_offset = off % bed->maxpagesize; |
4746 | off_offset = off % bed->maxpagesize; |
4298 | if (vma_offset < off_offset) |
4747 | if (vma_offset < off_offset) |
4299 | adjustment = vma_offset + bed->maxpagesize - off_offset; |
4748 | adjustment = vma_offset + bed->maxpagesize - off_offset; |
4300 | else |
4749 | else |
4301 | adjustment = vma_offset - off_offset; |
4750 | adjustment = vma_offset - off_offset; |
4302 | 4751 | ||
4303 | which can can be collapsed into the expression below. */ |
4752 | which can can be collapsed into the expression below. */ |
4304 | 4753 | ||
4305 | static file_ptr |
4754 | static file_ptr |
4306 | vma_page_aligned_bias (bfd_vma vma, ufile_ptr off, bfd_vma maxpagesize) |
4755 | vma_page_aligned_bias (bfd_vma vma, ufile_ptr off, bfd_vma maxpagesize) |
4307 | { |
4756 | { |
- | 4757 | /* PR binutils/16199: Handle an alignment of zero. */ |
|
- | 4758 | if (maxpagesize == 0) |
|
- | 4759 | maxpagesize = 1; |
|
4308 | return ((vma - off) % maxpagesize); |
4760 | return ((vma - off) % maxpagesize); |
4309 | } |
4761 | } |
4310 | 4762 | ||
4311 | static void |
4763 | static void |
4312 | print_segment_map (const struct elf_segment_map *m) |
4764 | print_segment_map (const struct elf_segment_map *m) |
4313 | { |
4765 | { |
4314 | unsigned int j; |
4766 | unsigned int j; |
4315 | const char *pt = get_segment_type (m->p_type); |
4767 | const char *pt = get_segment_type (m->p_type); |
4316 | char buf[32]; |
4768 | char buf[32]; |
4317 | 4769 | ||
4318 | if (pt == NULL) |
4770 | if (pt == NULL) |
4319 | { |
4771 | { |
4320 | if (m->p_type >= PT_LOPROC && m->p_type <= PT_HIPROC) |
4772 | if (m->p_type >= PT_LOPROC && m->p_type <= PT_HIPROC) |
4321 | sprintf (buf, "LOPROC+%7.7x", |
4773 | sprintf (buf, "LOPROC+%7.7x", |
4322 | (unsigned int) (m->p_type - PT_LOPROC)); |
4774 | (unsigned int) (m->p_type - PT_LOPROC)); |
4323 | else if (m->p_type >= PT_LOOS && m->p_type <= PT_HIOS) |
4775 | else if (m->p_type >= PT_LOOS && m->p_type <= PT_HIOS) |
4324 | sprintf (buf, "LOOS+%7.7x", |
4776 | sprintf (buf, "LOOS+%7.7x", |
4325 | (unsigned int) (m->p_type - PT_LOOS)); |
4777 | (unsigned int) (m->p_type - PT_LOOS)); |
4326 | else |
4778 | else |
4327 | snprintf (buf, sizeof (buf), "%8.8x", |
4779 | snprintf (buf, sizeof (buf), "%8.8x", |
4328 | (unsigned int) m->p_type); |
4780 | (unsigned int) m->p_type); |
4329 | pt = buf; |
4781 | pt = buf; |
4330 | } |
4782 | } |
4331 | fflush (stdout); |
4783 | fflush (stdout); |
4332 | fprintf (stderr, "%s:", pt); |
4784 | fprintf (stderr, "%s:", pt); |
4333 | for (j = 0; j < m->count; j++) |
4785 | for (j = 0; j < m->count; j++) |
4334 | fprintf (stderr, " %s", m->sections [j]->name); |
4786 | fprintf (stderr, " %s", m->sections [j]->name); |
4335 | putc ('\n',stderr); |
4787 | putc ('\n',stderr); |
4336 | fflush (stderr); |
4788 | fflush (stderr); |
4337 | } |
4789 | } |
4338 | 4790 | ||
4339 | static bfd_boolean |
4791 | static bfd_boolean |
4340 | write_zeros (bfd *abfd, file_ptr pos, bfd_size_type len) |
4792 | write_zeros (bfd *abfd, file_ptr pos, bfd_size_type len) |
4341 | { |
4793 | { |
4342 | void *buf; |
4794 | void *buf; |
4343 | bfd_boolean ret; |
4795 | bfd_boolean ret; |
4344 | 4796 | ||
4345 | if (bfd_seek (abfd, pos, SEEK_SET) != 0) |
4797 | if (bfd_seek (abfd, pos, SEEK_SET) != 0) |
4346 | return FALSE; |
4798 | return FALSE; |
4347 | buf = bfd_zmalloc (len); |
4799 | buf = bfd_zmalloc (len); |
4348 | if (buf == NULL) |
4800 | if (buf == NULL) |
4349 | return FALSE; |
4801 | return FALSE; |
4350 | ret = bfd_bwrite (buf, len, abfd) == len; |
4802 | ret = bfd_bwrite (buf, len, abfd) == len; |
4351 | free (buf); |
4803 | free (buf); |
4352 | return ret; |
4804 | return ret; |
4353 | } |
4805 | } |
4354 | 4806 | ||
4355 | /* Assign file positions to the sections based on the mapping from |
4807 | /* Assign file positions to the sections based on the mapping from |
4356 | sections to segments. This function also sets up some fields in |
4808 | sections to segments. This function also sets up some fields in |
4357 | the file header. */ |
4809 | the file header. */ |
4358 | 4810 | ||
4359 | static bfd_boolean |
4811 | static bfd_boolean |
4360 | assign_file_positions_for_load_sections (bfd *abfd, |
4812 | assign_file_positions_for_load_sections (bfd *abfd, |
4361 | struct bfd_link_info *link_info) |
4813 | struct bfd_link_info *link_info) |
4362 | { |
4814 | { |
4363 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
4815 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
4364 | struct elf_segment_map *m; |
4816 | struct elf_segment_map *m; |
4365 | Elf_Internal_Phdr *phdrs; |
4817 | Elf_Internal_Phdr *phdrs; |
4366 | Elf_Internal_Phdr *p; |
4818 | Elf_Internal_Phdr *p; |
4367 | file_ptr off; |
4819 | file_ptr off; |
4368 | bfd_size_type maxpagesize; |
4820 | bfd_size_type maxpagesize; |
4369 | unsigned int alloc; |
4821 | unsigned int alloc; |
4370 | unsigned int i, j; |
4822 | unsigned int i, j; |
4371 | bfd_vma header_pad = 0; |
4823 | bfd_vma header_pad = 0; |
4372 | 4824 | ||
4373 | if (link_info == NULL |
4825 | if (link_info == NULL |
4374 | && !_bfd_elf_map_sections_to_segments (abfd, link_info)) |
4826 | && !_bfd_elf_map_sections_to_segments (abfd, link_info)) |
4375 | return FALSE; |
4827 | return FALSE; |
4376 | 4828 | ||
4377 | alloc = 0; |
4829 | alloc = 0; |
4378 | for (m = elf_seg_map (abfd); m != NULL; m = m->next) |
4830 | for (m = elf_seg_map (abfd); m != NULL; m = m->next) |
4379 | { |
4831 | { |
4380 | ++alloc; |
4832 | ++alloc; |
4381 | if (m->header_size) |
4833 | if (m->header_size) |
4382 | header_pad = m->header_size; |
4834 | header_pad = m->header_size; |
4383 | } |
4835 | } |
4384 | 4836 | ||
4385 | if (alloc) |
4837 | if (alloc) |
4386 | { |
4838 | { |
4387 | elf_elfheader (abfd)->e_phoff = bed->s->sizeof_ehdr; |
4839 | elf_elfheader (abfd)->e_phoff = bed->s->sizeof_ehdr; |
4388 | elf_elfheader (abfd)->e_phentsize = bed->s->sizeof_phdr; |
4840 | elf_elfheader (abfd)->e_phentsize = bed->s->sizeof_phdr; |
4389 | } |
4841 | } |
4390 | else |
4842 | else |
4391 | { |
4843 | { |
4392 | /* PR binutils/12467. */ |
4844 | /* PR binutils/12467. */ |
4393 | elf_elfheader (abfd)->e_phoff = 0; |
4845 | elf_elfheader (abfd)->e_phoff = 0; |
4394 | elf_elfheader (abfd)->e_phentsize = 0; |
4846 | elf_elfheader (abfd)->e_phentsize = 0; |
4395 | } |
4847 | } |
4396 | 4848 | ||
4397 | elf_elfheader (abfd)->e_phnum = alloc; |
4849 | elf_elfheader (abfd)->e_phnum = alloc; |
4398 | 4850 | ||
4399 | if (elf_program_header_size (abfd) == (bfd_size_type) -1) |
4851 | if (elf_program_header_size (abfd) == (bfd_size_type) -1) |
4400 | elf_program_header_size (abfd) = alloc * bed->s->sizeof_phdr; |
4852 | elf_program_header_size (abfd) = alloc * bed->s->sizeof_phdr; |
4401 | else |
4853 | else |
4402 | BFD_ASSERT (elf_program_header_size (abfd) |
4854 | BFD_ASSERT (elf_program_header_size (abfd) |
4403 | >= alloc * bed->s->sizeof_phdr); |
4855 | >= alloc * bed->s->sizeof_phdr); |
4404 | 4856 | ||
4405 | if (alloc == 0) |
4857 | if (alloc == 0) |
4406 | { |
4858 | { |
4407 | elf_next_file_pos (abfd) = bed->s->sizeof_ehdr; |
4859 | elf_next_file_pos (abfd) = bed->s->sizeof_ehdr; |
4408 | return TRUE; |
4860 | return TRUE; |
4409 | } |
4861 | } |
4410 | 4862 | ||
4411 | /* We're writing the size in elf_program_header_size (abfd), |
4863 | /* We're writing the size in elf_program_header_size (abfd), |
4412 | see assign_file_positions_except_relocs, so make sure we have |
4864 | see assign_file_positions_except_relocs, so make sure we have |
4413 | that amount allocated, with trailing space cleared. |
4865 | that amount allocated, with trailing space cleared. |
4414 | The variable alloc contains the computed need, while |
4866 | The variable alloc contains the computed need, while |
4415 | elf_program_header_size (abfd) contains the size used for the |
4867 | elf_program_header_size (abfd) contains the size used for the |
4416 | layout. |
4868 | layout. |
4417 | See ld/emultempl/elf-generic.em:gld${EMULATION_NAME}_map_segments |
4869 | See ld/emultempl/elf-generic.em:gld${EMULATION_NAME}_map_segments |
4418 | where the layout is forced to according to a larger size in the |
4870 | where the layout is forced to according to a larger size in the |
4419 | last iterations for the testcase ld-elf/header. */ |
4871 | last iterations for the testcase ld-elf/header. */ |
4420 | BFD_ASSERT (elf_program_header_size (abfd) % bed->s->sizeof_phdr |
4872 | BFD_ASSERT (elf_program_header_size (abfd) % bed->s->sizeof_phdr |
4421 | == 0); |
4873 | == 0); |
4422 | phdrs = (Elf_Internal_Phdr *) |
4874 | phdrs = (Elf_Internal_Phdr *) |
4423 | bfd_zalloc2 (abfd, |
4875 | bfd_zalloc2 (abfd, |
4424 | (elf_program_header_size (abfd) / bed->s->sizeof_phdr), |
4876 | (elf_program_header_size (abfd) / bed->s->sizeof_phdr), |
4425 | sizeof (Elf_Internal_Phdr)); |
4877 | sizeof (Elf_Internal_Phdr)); |
4426 | elf_tdata (abfd)->phdr = phdrs; |
4878 | elf_tdata (abfd)->phdr = phdrs; |
4427 | if (phdrs == NULL) |
4879 | if (phdrs == NULL) |
4428 | return FALSE; |
4880 | return FALSE; |
4429 | 4881 | ||
4430 | maxpagesize = 1; |
4882 | maxpagesize = 1; |
4431 | if ((abfd->flags & D_PAGED) != 0) |
4883 | if ((abfd->flags & D_PAGED) != 0) |
4432 | maxpagesize = bed->maxpagesize; |
4884 | maxpagesize = bed->maxpagesize; |
4433 | 4885 | ||
4434 | off = bed->s->sizeof_ehdr; |
4886 | off = bed->s->sizeof_ehdr; |
4435 | off += alloc * bed->s->sizeof_phdr; |
4887 | off += alloc * bed->s->sizeof_phdr; |
4436 | if (header_pad < (bfd_vma) off) |
4888 | if (header_pad < (bfd_vma) off) |
4437 | header_pad = 0; |
4889 | header_pad = 0; |
4438 | else |
4890 | else |
4439 | header_pad -= off; |
4891 | header_pad -= off; |
4440 | off += header_pad; |
4892 | off += header_pad; |
4441 | 4893 | ||
4442 | for (m = elf_seg_map (abfd), p = phdrs, j = 0; |
4894 | for (m = elf_seg_map (abfd), p = phdrs, j = 0; |
4443 | m != NULL; |
4895 | m != NULL; |
4444 | m = m->next, p++, j++) |
4896 | m = m->next, p++, j++) |
4445 | { |
4897 | { |
4446 | asection **secpp; |
4898 | asection **secpp; |
4447 | bfd_vma off_adjust; |
4899 | bfd_vma off_adjust; |
4448 | bfd_boolean no_contents; |
4900 | bfd_boolean no_contents; |
4449 | 4901 | ||
4450 | /* If elf_segment_map is not from map_sections_to_segments, the |
4902 | /* If elf_segment_map is not from map_sections_to_segments, the |
4451 | sections may not be correctly ordered. NOTE: sorting should |
4903 | sections may not be correctly ordered. NOTE: sorting should |
4452 | not be done to the PT_NOTE section of a corefile, which may |
4904 | not be done to the PT_NOTE section of a corefile, which may |
4453 | contain several pseudo-sections artificially created by bfd. |
4905 | contain several pseudo-sections artificially created by bfd. |
4454 | Sorting these pseudo-sections breaks things badly. */ |
4906 | Sorting these pseudo-sections breaks things badly. */ |
4455 | if (m->count > 1 |
4907 | if (m->count > 1 |
4456 | && !(elf_elfheader (abfd)->e_type == ET_CORE |
4908 | && !(elf_elfheader (abfd)->e_type == ET_CORE |
4457 | && m->p_type == PT_NOTE)) |
4909 | && m->p_type == PT_NOTE)) |
4458 | qsort (m->sections, (size_t) m->count, sizeof (asection *), |
4910 | qsort (m->sections, (size_t) m->count, sizeof (asection *), |
4459 | elf_sort_sections); |
4911 | elf_sort_sections); |
4460 | 4912 | ||
4461 | /* An ELF segment (described by Elf_Internal_Phdr) may contain a |
4913 | /* An ELF segment (described by Elf_Internal_Phdr) may contain a |
4462 | number of sections with contents contributing to both p_filesz |
4914 | number of sections with contents contributing to both p_filesz |
4463 | and p_memsz, followed by a number of sections with no contents |
4915 | and p_memsz, followed by a number of sections with no contents |
4464 | that just contribute to p_memsz. In this loop, OFF tracks next |
4916 | that just contribute to p_memsz. In this loop, OFF tracks next |
4465 | available file offset for PT_LOAD and PT_NOTE segments. */ |
4917 | available file offset for PT_LOAD and PT_NOTE segments. */ |
4466 | p->p_type = m->p_type; |
4918 | p->p_type = m->p_type; |
4467 | p->p_flags = m->p_flags; |
4919 | p->p_flags = m->p_flags; |
4468 | 4920 | ||
4469 | if (m->count == 0) |
4921 | if (m->count == 0) |
4470 | p->p_vaddr = 0; |
4922 | p->p_vaddr = 0; |
4471 | else |
4923 | else |
4472 | p->p_vaddr = m->sections[0]->vma - m->p_vaddr_offset; |
4924 | p->p_vaddr = m->sections[0]->vma - m->p_vaddr_offset; |
4473 | 4925 | ||
4474 | if (m->p_paddr_valid) |
4926 | if (m->p_paddr_valid) |
4475 | p->p_paddr = m->p_paddr; |
4927 | p->p_paddr = m->p_paddr; |
4476 | else if (m->count == 0) |
4928 | else if (m->count == 0) |
4477 | p->p_paddr = 0; |
4929 | p->p_paddr = 0; |
4478 | else |
4930 | else |
4479 | p->p_paddr = m->sections[0]->lma - m->p_vaddr_offset; |
4931 | p->p_paddr = m->sections[0]->lma - m->p_vaddr_offset; |
4480 | 4932 | ||
4481 | if (p->p_type == PT_LOAD |
4933 | if (p->p_type == PT_LOAD |
4482 | && (abfd->flags & D_PAGED) != 0) |
4934 | && (abfd->flags & D_PAGED) != 0) |
4483 | { |
4935 | { |
4484 | /* p_align in demand paged PT_LOAD segments effectively stores |
4936 | /* p_align in demand paged PT_LOAD segments effectively stores |
4485 | the maximum page size. When copying an executable with |
4937 | the maximum page size. When copying an executable with |
4486 | objcopy, we set m->p_align from the input file. Use this |
4938 | objcopy, we set m->p_align from the input file. Use this |
4487 | value for maxpagesize rather than bed->maxpagesize, which |
4939 | value for maxpagesize rather than bed->maxpagesize, which |
4488 | may be different. Note that we use maxpagesize for PT_TLS |
4940 | may be different. Note that we use maxpagesize for PT_TLS |
4489 | segment alignment later in this function, so we are relying |
4941 | segment alignment later in this function, so we are relying |
4490 | on at least one PT_LOAD segment appearing before a PT_TLS |
4942 | on at least one PT_LOAD segment appearing before a PT_TLS |
4491 | segment. */ |
4943 | segment. */ |
4492 | if (m->p_align_valid) |
4944 | if (m->p_align_valid) |
4493 | maxpagesize = m->p_align; |
4945 | maxpagesize = m->p_align; |
4494 | 4946 | ||
4495 | p->p_align = maxpagesize; |
4947 | p->p_align = maxpagesize; |
4496 | } |
4948 | } |
4497 | else if (m->p_align_valid) |
4949 | else if (m->p_align_valid) |
4498 | p->p_align = m->p_align; |
4950 | p->p_align = m->p_align; |
4499 | else if (m->count == 0) |
4951 | else if (m->count == 0) |
4500 | p->p_align = 1 << bed->s->log_file_align; |
4952 | p->p_align = 1 << bed->s->log_file_align; |
4501 | else |
4953 | else |
4502 | p->p_align = 0; |
4954 | p->p_align = 0; |
4503 | 4955 | ||
4504 | no_contents = FALSE; |
4956 | no_contents = FALSE; |
4505 | off_adjust = 0; |
4957 | off_adjust = 0; |
4506 | if (p->p_type == PT_LOAD |
4958 | if (p->p_type == PT_LOAD |
4507 | && m->count > 0) |
4959 | && m->count > 0) |
4508 | { |
4960 | { |
4509 | bfd_size_type align; |
4961 | bfd_size_type align; |
4510 | unsigned int align_power = 0; |
4962 | unsigned int align_power = 0; |
4511 | 4963 | ||
4512 | if (m->p_align_valid) |
4964 | if (m->p_align_valid) |
4513 | align = p->p_align; |
4965 | align = p->p_align; |
4514 | else |
4966 | else |
4515 | { |
4967 | { |
4516 | for (i = 0, secpp = m->sections; i < m->count; i++, secpp++) |
4968 | for (i = 0, secpp = m->sections; i < m->count; i++, secpp++) |
4517 | { |
4969 | { |
4518 | unsigned int secalign; |
4970 | unsigned int secalign; |
4519 | 4971 | ||
4520 | secalign = bfd_get_section_alignment (abfd, *secpp); |
4972 | secalign = bfd_get_section_alignment (abfd, *secpp); |
4521 | if (secalign > align_power) |
4973 | if (secalign > align_power) |
4522 | align_power = secalign; |
4974 | align_power = secalign; |
4523 | } |
4975 | } |
4524 | align = (bfd_size_type) 1 << align_power; |
4976 | align = (bfd_size_type) 1 << align_power; |
4525 | if (align < maxpagesize) |
4977 | if (align < maxpagesize) |
4526 | align = maxpagesize; |
4978 | align = maxpagesize; |
4527 | } |
4979 | } |
4528 | 4980 | ||
4529 | for (i = 0; i < m->count; i++) |
4981 | for (i = 0; i < m->count; i++) |
4530 | if ((m->sections[i]->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) |
4982 | if ((m->sections[i]->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) |
4531 | /* If we aren't making room for this section, then |
4983 | /* If we aren't making room for this section, then |
4532 | it must be SHT_NOBITS regardless of what we've |
4984 | it must be SHT_NOBITS regardless of what we've |
4533 | set via struct bfd_elf_special_section. */ |
4985 | set via struct bfd_elf_special_section. */ |
4534 | elf_section_type (m->sections[i]) = SHT_NOBITS; |
4986 | elf_section_type (m->sections[i]) = SHT_NOBITS; |
4535 | 4987 | ||
4536 | /* Find out whether this segment contains any loadable |
4988 | /* Find out whether this segment contains any loadable |
4537 | sections. */ |
4989 | sections. */ |
4538 | no_contents = TRUE; |
4990 | no_contents = TRUE; |
4539 | for (i = 0; i < m->count; i++) |
4991 | for (i = 0; i < m->count; i++) |
4540 | if (elf_section_type (m->sections[i]) != SHT_NOBITS) |
4992 | if (elf_section_type (m->sections[i]) != SHT_NOBITS) |
4541 | { |
4993 | { |
4542 | no_contents = FALSE; |
4994 | no_contents = FALSE; |
4543 | break; |
4995 | break; |
4544 | } |
4996 | } |
4545 | 4997 | ||
4546 | off_adjust = vma_page_aligned_bias (p->p_vaddr, off, align); |
4998 | off_adjust = vma_page_aligned_bias (p->p_vaddr, off, align); |
4547 | off += off_adjust; |
4999 | off += off_adjust; |
4548 | if (no_contents) |
5000 | if (no_contents) |
4549 | { |
5001 | { |
4550 | /* We shouldn't need to align the segment on disk since |
5002 | /* We shouldn't need to align the segment on disk since |
4551 | the segment doesn't need file space, but the gABI |
5003 | the segment doesn't need file space, but the gABI |
4552 | arguably requires the alignment and glibc ld.so |
5004 | arguably requires the alignment and glibc ld.so |
4553 | checks it. So to comply with the alignment |
5005 | checks it. So to comply with the alignment |
4554 | requirement but not waste file space, we adjust |
5006 | requirement but not waste file space, we adjust |
4555 | p_offset for just this segment. (OFF_ADJUST is |
5007 | p_offset for just this segment. (OFF_ADJUST is |
4556 | subtracted from OFF later.) This may put p_offset |
5008 | subtracted from OFF later.) This may put p_offset |
4557 | past the end of file, but that shouldn't matter. */ |
5009 | past the end of file, but that shouldn't matter. */ |
4558 | } |
5010 | } |
4559 | else |
5011 | else |
4560 | off_adjust = 0; |
5012 | off_adjust = 0; |
4561 | } |
5013 | } |
4562 | /* Make sure the .dynamic section is the first section in the |
5014 | /* Make sure the .dynamic section is the first section in the |
4563 | PT_DYNAMIC segment. */ |
5015 | PT_DYNAMIC segment. */ |
4564 | else if (p->p_type == PT_DYNAMIC |
5016 | else if (p->p_type == PT_DYNAMIC |
4565 | && m->count > 1 |
5017 | && m->count > 1 |
4566 | && strcmp (m->sections[0]->name, ".dynamic") != 0) |
5018 | && strcmp (m->sections[0]->name, ".dynamic") != 0) |
4567 | { |
5019 | { |
4568 | _bfd_error_handler |
5020 | _bfd_error_handler |
4569 | (_("%B: The first section in the PT_DYNAMIC segment is not the .dynamic section"), |
5021 | (_("%B: The first section in the PT_DYNAMIC segment is not the .dynamic section"), |
4570 | abfd); |
5022 | abfd); |
4571 | bfd_set_error (bfd_error_bad_value); |
5023 | bfd_set_error (bfd_error_bad_value); |
4572 | return FALSE; |
5024 | return FALSE; |
4573 | } |
5025 | } |
4574 | /* Set the note section type to SHT_NOTE. */ |
5026 | /* Set the note section type to SHT_NOTE. */ |
4575 | else if (p->p_type == PT_NOTE) |
5027 | else if (p->p_type == PT_NOTE) |
4576 | for (i = 0; i < m->count; i++) |
5028 | for (i = 0; i < m->count; i++) |
4577 | elf_section_type (m->sections[i]) = SHT_NOTE; |
5029 | elf_section_type (m->sections[i]) = SHT_NOTE; |
4578 | 5030 | ||
4579 | p->p_offset = 0; |
5031 | p->p_offset = 0; |
4580 | p->p_filesz = 0; |
5032 | p->p_filesz = 0; |
4581 | p->p_memsz = 0; |
5033 | p->p_memsz = 0; |
4582 | 5034 | ||
4583 | if (m->includes_filehdr) |
5035 | if (m->includes_filehdr) |
4584 | { |
5036 | { |
4585 | if (!m->p_flags_valid) |
5037 | if (!m->p_flags_valid) |
4586 | p->p_flags |= PF_R; |
5038 | p->p_flags |= PF_R; |
4587 | p->p_filesz = bed->s->sizeof_ehdr; |
5039 | p->p_filesz = bed->s->sizeof_ehdr; |
4588 | p->p_memsz = bed->s->sizeof_ehdr; |
5040 | p->p_memsz = bed->s->sizeof_ehdr; |
4589 | if (m->count > 0) |
5041 | if (m->count > 0) |
4590 | { |
5042 | { |
4591 | if (p->p_vaddr < (bfd_vma) off) |
5043 | if (p->p_vaddr < (bfd_vma) off) |
4592 | { |
5044 | { |
4593 | (*_bfd_error_handler) |
5045 | (*_bfd_error_handler) |
4594 | (_("%B: Not enough room for program headers, try linking with -N"), |
5046 | (_("%B: Not enough room for program headers, try linking with -N"), |
4595 | abfd); |
5047 | abfd); |
4596 | bfd_set_error (bfd_error_bad_value); |
5048 | bfd_set_error (bfd_error_bad_value); |
4597 | return FALSE; |
5049 | return FALSE; |
4598 | } |
5050 | } |
4599 | 5051 | ||
4600 | p->p_vaddr -= off; |
5052 | p->p_vaddr -= off; |
4601 | if (!m->p_paddr_valid) |
5053 | if (!m->p_paddr_valid) |
4602 | p->p_paddr -= off; |
5054 | p->p_paddr -= off; |
4603 | } |
5055 | } |
4604 | } |
5056 | } |
4605 | 5057 | ||
4606 | if (m->includes_phdrs) |
5058 | if (m->includes_phdrs) |
4607 | { |
5059 | { |
4608 | if (!m->p_flags_valid) |
5060 | if (!m->p_flags_valid) |
4609 | p->p_flags |= PF_R; |
5061 | p->p_flags |= PF_R; |
4610 | 5062 | ||
4611 | if (!m->includes_filehdr) |
5063 | if (!m->includes_filehdr) |
4612 | { |
5064 | { |
4613 | p->p_offset = bed->s->sizeof_ehdr; |
5065 | p->p_offset = bed->s->sizeof_ehdr; |
4614 | 5066 | ||
4615 | if (m->count > 0) |
5067 | if (m->count > 0) |
4616 | { |
5068 | { |
4617 | p->p_vaddr -= off - p->p_offset; |
5069 | p->p_vaddr -= off - p->p_offset; |
4618 | if (!m->p_paddr_valid) |
5070 | if (!m->p_paddr_valid) |
4619 | p->p_paddr -= off - p->p_offset; |
5071 | p->p_paddr -= off - p->p_offset; |
4620 | } |
5072 | } |
4621 | } |
5073 | } |
4622 | 5074 | ||
4623 | p->p_filesz += alloc * bed->s->sizeof_phdr; |
5075 | p->p_filesz += alloc * bed->s->sizeof_phdr; |
4624 | p->p_memsz += alloc * bed->s->sizeof_phdr; |
5076 | p->p_memsz += alloc * bed->s->sizeof_phdr; |
4625 | if (m->count) |
5077 | if (m->count) |
4626 | { |
5078 | { |
4627 | p->p_filesz += header_pad; |
5079 | p->p_filesz += header_pad; |
4628 | p->p_memsz += header_pad; |
5080 | p->p_memsz += header_pad; |
4629 | } |
5081 | } |
4630 | } |
5082 | } |
4631 | 5083 | ||
4632 | if (p->p_type == PT_LOAD |
5084 | if (p->p_type == PT_LOAD |
4633 | || (p->p_type == PT_NOTE && bfd_get_format (abfd) == bfd_core)) |
5085 | || (p->p_type == PT_NOTE && bfd_get_format (abfd) == bfd_core)) |
4634 | { |
5086 | { |
4635 | if (!m->includes_filehdr && !m->includes_phdrs) |
5087 | if (!m->includes_filehdr && !m->includes_phdrs) |
4636 | p->p_offset = off; |
5088 | p->p_offset = off; |
4637 | else |
5089 | else |
4638 | { |
5090 | { |
4639 | file_ptr adjust; |
5091 | file_ptr adjust; |
4640 | 5092 | ||
4641 | adjust = off - (p->p_offset + p->p_filesz); |
5093 | adjust = off - (p->p_offset + p->p_filesz); |
4642 | if (!no_contents) |
5094 | if (!no_contents) |
4643 | p->p_filesz += adjust; |
5095 | p->p_filesz += adjust; |
4644 | p->p_memsz += adjust; |
5096 | p->p_memsz += adjust; |
4645 | } |
5097 | } |
4646 | } |
5098 | } |
4647 | 5099 | ||
4648 | /* Set up p_filesz, p_memsz, p_align and p_flags from the section |
5100 | /* Set up p_filesz, p_memsz, p_align and p_flags from the section |
4649 | maps. Set filepos for sections in PT_LOAD segments, and in |
5101 | maps. Set filepos for sections in PT_LOAD segments, and in |
4650 | core files, for sections in PT_NOTE segments. |
5102 | core files, for sections in PT_NOTE segments. |
4651 | assign_file_positions_for_non_load_sections will set filepos |
5103 | assign_file_positions_for_non_load_sections will set filepos |
4652 | for other sections and update p_filesz for other segments. */ |
5104 | for other sections and update p_filesz for other segments. */ |
4653 | for (i = 0, secpp = m->sections; i < m->count; i++, secpp++) |
5105 | for (i = 0, secpp = m->sections; i < m->count; i++, secpp++) |
4654 | { |
5106 | { |
4655 | asection *sec; |
5107 | asection *sec; |
4656 | bfd_size_type align; |
5108 | bfd_size_type align; |
4657 | Elf_Internal_Shdr *this_hdr; |
5109 | Elf_Internal_Shdr *this_hdr; |
4658 | 5110 | ||
4659 | sec = *secpp; |
5111 | sec = *secpp; |
4660 | this_hdr = &elf_section_data (sec)->this_hdr; |
5112 | this_hdr = &elf_section_data (sec)->this_hdr; |
4661 | align = (bfd_size_type) 1 << bfd_get_section_alignment (abfd, sec); |
5113 | align = (bfd_size_type) 1 << bfd_get_section_alignment (abfd, sec); |
4662 | 5114 | ||
4663 | if ((p->p_type == PT_LOAD |
5115 | if ((p->p_type == PT_LOAD |
4664 | || p->p_type == PT_TLS) |
5116 | || p->p_type == PT_TLS) |
4665 | && (this_hdr->sh_type != SHT_NOBITS |
5117 | && (this_hdr->sh_type != SHT_NOBITS |
4666 | || ((this_hdr->sh_flags & SHF_ALLOC) != 0 |
5118 | || ((this_hdr->sh_flags & SHF_ALLOC) != 0 |
4667 | && ((this_hdr->sh_flags & SHF_TLS) == 0 |
5119 | && ((this_hdr->sh_flags & SHF_TLS) == 0 |
4668 | || p->p_type == PT_TLS)))) |
5120 | || p->p_type == PT_TLS)))) |
4669 | { |
5121 | { |
4670 | bfd_vma p_start = p->p_paddr; |
5122 | bfd_vma p_start = p->p_paddr; |
4671 | bfd_vma p_end = p_start + p->p_memsz; |
5123 | bfd_vma p_end = p_start + p->p_memsz; |
4672 | bfd_vma s_start = sec->lma; |
5124 | bfd_vma s_start = sec->lma; |
4673 | bfd_vma adjust = s_start - p_end; |
5125 | bfd_vma adjust = s_start - p_end; |
4674 | 5126 | ||
4675 | if (adjust != 0 |
5127 | if (adjust != 0 |
4676 | && (s_start < p_end |
5128 | && (s_start < p_end |
4677 | || p_end < p_start)) |
5129 | || p_end < p_start)) |
4678 | { |
5130 | { |
4679 | (*_bfd_error_handler) |
5131 | (*_bfd_error_handler) |
4680 | (_("%B: section %A lma %#lx adjusted to %#lx"), abfd, sec, |
5132 | (_("%B: section %A lma %#lx adjusted to %#lx"), abfd, sec, |
4681 | (unsigned long) s_start, (unsigned long) p_end); |
5133 | (unsigned long) s_start, (unsigned long) p_end); |
4682 | adjust = 0; |
5134 | adjust = 0; |
4683 | sec->lma = p_end; |
5135 | sec->lma = p_end; |
4684 | } |
5136 | } |
4685 | p->p_memsz += adjust; |
5137 | p->p_memsz += adjust; |
4686 | 5138 | ||
4687 | if (this_hdr->sh_type != SHT_NOBITS) |
5139 | if (this_hdr->sh_type != SHT_NOBITS) |
4688 | { |
5140 | { |
4689 | if (p->p_filesz + adjust < p->p_memsz) |
5141 | if (p->p_filesz + adjust < p->p_memsz) |
4690 | { |
5142 | { |
4691 | /* We have a PROGBITS section following NOBITS ones. |
5143 | /* We have a PROGBITS section following NOBITS ones. |
4692 | Allocate file space for the NOBITS section(s) and |
5144 | Allocate file space for the NOBITS section(s) and |
4693 | zero it. */ |
5145 | zero it. */ |
4694 | adjust = p->p_memsz - p->p_filesz; |
5146 | adjust = p->p_memsz - p->p_filesz; |
4695 | if (!write_zeros (abfd, off, adjust)) |
5147 | if (!write_zeros (abfd, off, adjust)) |
4696 | return FALSE; |
5148 | return FALSE; |
4697 | } |
5149 | } |
4698 | off += adjust; |
5150 | off += adjust; |
4699 | p->p_filesz += adjust; |
5151 | p->p_filesz += adjust; |
4700 | } |
5152 | } |
4701 | } |
5153 | } |
4702 | 5154 | ||
4703 | if (p->p_type == PT_NOTE && bfd_get_format (abfd) == bfd_core) |
5155 | if (p->p_type == PT_NOTE && bfd_get_format (abfd) == bfd_core) |
4704 | { |
5156 | { |
4705 | /* The section at i == 0 is the one that actually contains |
5157 | /* The section at i == 0 is the one that actually contains |
4706 | everything. */ |
5158 | everything. */ |
4707 | if (i == 0) |
5159 | if (i == 0) |
4708 | { |
5160 | { |
4709 | this_hdr->sh_offset = sec->filepos = off; |
5161 | this_hdr->sh_offset = sec->filepos = off; |
4710 | off += this_hdr->sh_size; |
5162 | off += this_hdr->sh_size; |
4711 | p->p_filesz = this_hdr->sh_size; |
5163 | p->p_filesz = this_hdr->sh_size; |
4712 | p->p_memsz = 0; |
5164 | p->p_memsz = 0; |
4713 | p->p_align = 1; |
5165 | p->p_align = 1; |
4714 | } |
5166 | } |
4715 | else |
5167 | else |
4716 | { |
5168 | { |
4717 | /* The rest are fake sections that shouldn't be written. */ |
5169 | /* The rest are fake sections that shouldn't be written. */ |
4718 | sec->filepos = 0; |
5170 | sec->filepos = 0; |
4719 | sec->size = 0; |
5171 | sec->size = 0; |
4720 | sec->flags = 0; |
5172 | sec->flags = 0; |
4721 | continue; |
5173 | continue; |
4722 | } |
5174 | } |
4723 | } |
5175 | } |
4724 | else |
5176 | else |
4725 | { |
5177 | { |
4726 | if (p->p_type == PT_LOAD) |
5178 | if (p->p_type == PT_LOAD) |
4727 | { |
5179 | { |
4728 | this_hdr->sh_offset = sec->filepos = off; |
5180 | this_hdr->sh_offset = sec->filepos = off; |
4729 | if (this_hdr->sh_type != SHT_NOBITS) |
5181 | if (this_hdr->sh_type != SHT_NOBITS) |
4730 | off += this_hdr->sh_size; |
5182 | off += this_hdr->sh_size; |
4731 | } |
5183 | } |
4732 | else if (this_hdr->sh_type == SHT_NOBITS |
5184 | else if (this_hdr->sh_type == SHT_NOBITS |
4733 | && (this_hdr->sh_flags & SHF_TLS) != 0 |
5185 | && (this_hdr->sh_flags & SHF_TLS) != 0 |
4734 | && this_hdr->sh_offset == 0) |
5186 | && this_hdr->sh_offset == 0) |
4735 | { |
5187 | { |
4736 | /* This is a .tbss section that didn't get a PT_LOAD. |
5188 | /* This is a .tbss section that didn't get a PT_LOAD. |
4737 | (See _bfd_elf_map_sections_to_segments "Create a |
5189 | (See _bfd_elf_map_sections_to_segments "Create a |
4738 | final PT_LOAD".) Set sh_offset to the value it |
5190 | final PT_LOAD".) Set sh_offset to the value it |
4739 | would have if we had created a zero p_filesz and |
5191 | would have if we had created a zero p_filesz and |
4740 | p_memsz PT_LOAD header for the section. This |
5192 | p_memsz PT_LOAD header for the section. This |
4741 | also makes the PT_TLS header have the same |
5193 | also makes the PT_TLS header have the same |
4742 | p_offset value. */ |
5194 | p_offset value. */ |
4743 | bfd_vma adjust = vma_page_aligned_bias (this_hdr->sh_addr, |
5195 | bfd_vma adjust = vma_page_aligned_bias (this_hdr->sh_addr, |
4744 | off, align); |
5196 | off, align); |
4745 | this_hdr->sh_offset = sec->filepos = off + adjust; |
5197 | this_hdr->sh_offset = sec->filepos = off + adjust; |
4746 | } |
5198 | } |
4747 | 5199 | ||
4748 | if (this_hdr->sh_type != SHT_NOBITS) |
5200 | if (this_hdr->sh_type != SHT_NOBITS) |
4749 | { |
5201 | { |
4750 | p->p_filesz += this_hdr->sh_size; |
5202 | p->p_filesz += this_hdr->sh_size; |
4751 | /* A load section without SHF_ALLOC is something like |
5203 | /* A load section without SHF_ALLOC is something like |
4752 | a note section in a PT_NOTE segment. These take |
5204 | a note section in a PT_NOTE segment. These take |
4753 | file space but are not loaded into memory. */ |
5205 | file space but are not loaded into memory. */ |
4754 | if ((this_hdr->sh_flags & SHF_ALLOC) != 0) |
5206 | if ((this_hdr->sh_flags & SHF_ALLOC) != 0) |
4755 | p->p_memsz += this_hdr->sh_size; |
5207 | p->p_memsz += this_hdr->sh_size; |
4756 | } |
5208 | } |
4757 | else if ((this_hdr->sh_flags & SHF_ALLOC) != 0) |
5209 | else if ((this_hdr->sh_flags & SHF_ALLOC) != 0) |
4758 | { |
5210 | { |
4759 | if (p->p_type == PT_TLS) |
5211 | if (p->p_type == PT_TLS) |
4760 | p->p_memsz += this_hdr->sh_size; |
5212 | p->p_memsz += this_hdr->sh_size; |
4761 | 5213 | ||
4762 | /* .tbss is special. It doesn't contribute to p_memsz of |
5214 | /* .tbss is special. It doesn't contribute to p_memsz of |
4763 | normal segments. */ |
5215 | normal segments. */ |
4764 | else if ((this_hdr->sh_flags & SHF_TLS) == 0) |
5216 | else if ((this_hdr->sh_flags & SHF_TLS) == 0) |
4765 | p->p_memsz += this_hdr->sh_size; |
5217 | p->p_memsz += this_hdr->sh_size; |
4766 | } |
5218 | } |
4767 | 5219 | ||
4768 | if (align > p->p_align |
5220 | if (align > p->p_align |
4769 | && !m->p_align_valid |
5221 | && !m->p_align_valid |
4770 | && (p->p_type != PT_LOAD |
5222 | && (p->p_type != PT_LOAD |
4771 | || (abfd->flags & D_PAGED) == 0)) |
5223 | || (abfd->flags & D_PAGED) == 0)) |
4772 | p->p_align = align; |
5224 | p->p_align = align; |
4773 | } |
5225 | } |
4774 | 5226 | ||
4775 | if (!m->p_flags_valid) |
5227 | if (!m->p_flags_valid) |
4776 | { |
5228 | { |
4777 | p->p_flags |= PF_R; |
5229 | p->p_flags |= PF_R; |
4778 | if ((this_hdr->sh_flags & SHF_EXECINSTR) != 0) |
5230 | if ((this_hdr->sh_flags & SHF_EXECINSTR) != 0) |
4779 | p->p_flags |= PF_X; |
5231 | p->p_flags |= PF_X; |
4780 | if ((this_hdr->sh_flags & SHF_WRITE) != 0) |
5232 | if ((this_hdr->sh_flags & SHF_WRITE) != 0) |
4781 | p->p_flags |= PF_W; |
5233 | p->p_flags |= PF_W; |
4782 | } |
5234 | } |
4783 | } |
5235 | } |
- | 5236 | ||
4784 | off -= off_adjust; |
5237 | off -= off_adjust; |
4785 | 5238 | ||
4786 | /* Check that all sections are in a PT_LOAD segment. |
5239 | /* Check that all sections are in a PT_LOAD segment. |
4787 | Don't check funky gdb generated core files. */ |
5240 | Don't check funky gdb generated core files. */ |
4788 | if (p->p_type == PT_LOAD && bfd_get_format (abfd) != bfd_core) |
5241 | if (p->p_type == PT_LOAD && bfd_get_format (abfd) != bfd_core) |
4789 | { |
5242 | { |
4790 | bfd_boolean check_vma = TRUE; |
5243 | bfd_boolean check_vma = TRUE; |
4791 | 5244 | ||
4792 | for (i = 1; i < m->count; i++) |
5245 | for (i = 1; i < m->count; i++) |
4793 | if (m->sections[i]->vma == m->sections[i - 1]->vma |
5246 | if (m->sections[i]->vma == m->sections[i - 1]->vma |
4794 | && ELF_SECTION_SIZE (&(elf_section_data (m->sections[i]) |
5247 | && ELF_SECTION_SIZE (&(elf_section_data (m->sections[i]) |
4795 | ->this_hdr), p) != 0 |
5248 | ->this_hdr), p) != 0 |
4796 | && ELF_SECTION_SIZE (&(elf_section_data (m->sections[i - 1]) |
5249 | && ELF_SECTION_SIZE (&(elf_section_data (m->sections[i - 1]) |
4797 | ->this_hdr), p) != 0) |
5250 | ->this_hdr), p) != 0) |
4798 | { |
5251 | { |
4799 | /* Looks like we have overlays packed into the segment. */ |
5252 | /* Looks like we have overlays packed into the segment. */ |
4800 | check_vma = FALSE; |
5253 | check_vma = FALSE; |
4801 | break; |
5254 | break; |
4802 | } |
5255 | } |
4803 | 5256 | ||
4804 | for (i = 0; i < m->count; i++) |
5257 | for (i = 0; i < m->count; i++) |
4805 | { |
5258 | { |
4806 | Elf_Internal_Shdr *this_hdr; |
5259 | Elf_Internal_Shdr *this_hdr; |
4807 | asection *sec; |
5260 | asection *sec; |
4808 | 5261 | ||
4809 | sec = m->sections[i]; |
5262 | sec = m->sections[i]; |
4810 | this_hdr = &(elf_section_data(sec)->this_hdr); |
5263 | this_hdr = &(elf_section_data(sec)->this_hdr); |
4811 | if (!ELF_SECTION_IN_SEGMENT_1 (this_hdr, p, check_vma, 0) |
5264 | if (!ELF_SECTION_IN_SEGMENT_1 (this_hdr, p, check_vma, 0) |
4812 | && !ELF_TBSS_SPECIAL (this_hdr, p)) |
5265 | && !ELF_TBSS_SPECIAL (this_hdr, p)) |
4813 | { |
5266 | { |
4814 | (*_bfd_error_handler) |
5267 | (*_bfd_error_handler) |
4815 | (_("%B: section `%A' can't be allocated in segment %d"), |
5268 | (_("%B: section `%A' can't be allocated in segment %d"), |
4816 | abfd, sec, j); |
5269 | abfd, sec, j); |
4817 | print_segment_map (m); |
5270 | print_segment_map (m); |
4818 | } |
5271 | } |
4819 | } |
5272 | } |
4820 | } |
5273 | } |
4821 | } |
5274 | } |
4822 | 5275 | ||
4823 | elf_next_file_pos (abfd) = off; |
5276 | elf_next_file_pos (abfd) = off; |
4824 | return TRUE; |
5277 | return TRUE; |
4825 | } |
5278 | } |
4826 | 5279 | ||
4827 | /* Assign file positions for the other sections. */ |
5280 | /* Assign file positions for the other sections. */ |
4828 | 5281 | ||
4829 | static bfd_boolean |
5282 | static bfd_boolean |
4830 | assign_file_positions_for_non_load_sections (bfd *abfd, |
5283 | assign_file_positions_for_non_load_sections (bfd *abfd, |
4831 | struct bfd_link_info *link_info) |
5284 | struct bfd_link_info *link_info) |
4832 | { |
5285 | { |
4833 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
5286 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
4834 | Elf_Internal_Shdr **i_shdrpp; |
5287 | Elf_Internal_Shdr **i_shdrpp; |
4835 | Elf_Internal_Shdr **hdrpp; |
5288 | Elf_Internal_Shdr **hdrpp, **end_hdrpp; |
4836 | Elf_Internal_Phdr *phdrs; |
5289 | Elf_Internal_Phdr *phdrs; |
4837 | Elf_Internal_Phdr *p; |
5290 | Elf_Internal_Phdr *p; |
4838 | struct elf_segment_map *m; |
5291 | struct elf_segment_map *m; |
4839 | struct elf_segment_map *hdrs_segment; |
5292 | struct elf_segment_map *hdrs_segment; |
4840 | bfd_vma filehdr_vaddr, filehdr_paddr; |
5293 | bfd_vma filehdr_vaddr, filehdr_paddr; |
4841 | bfd_vma phdrs_vaddr, phdrs_paddr; |
5294 | bfd_vma phdrs_vaddr, phdrs_paddr; |
4842 | file_ptr off; |
5295 | file_ptr off; |
4843 | unsigned int num_sec; |
- | |
4844 | unsigned int i; |
- | |
4845 | unsigned int count; |
5296 | unsigned int count; |
4846 | 5297 | ||
4847 | i_shdrpp = elf_elfsections (abfd); |
5298 | i_shdrpp = elf_elfsections (abfd); |
4848 | num_sec = elf_numsections (abfd); |
5299 | end_hdrpp = i_shdrpp + elf_numsections (abfd); |
4849 | off = elf_next_file_pos (abfd); |
5300 | off = elf_next_file_pos (abfd); |
4850 | for (i = 1, hdrpp = i_shdrpp + 1; i < num_sec; i++, hdrpp++) |
5301 | for (hdrpp = i_shdrpp + 1; hdrpp < end_hdrpp; hdrpp++) |
4851 | { |
5302 | { |
4852 | Elf_Internal_Shdr *hdr; |
5303 | Elf_Internal_Shdr *hdr; |
4853 | 5304 | ||
4854 | hdr = *hdrpp; |
5305 | hdr = *hdrpp; |
4855 | if (hdr->bfd_section != NULL |
5306 | if (hdr->bfd_section != NULL |
4856 | && (hdr->bfd_section->filepos != 0 |
5307 | && (hdr->bfd_section->filepos != 0 |
4857 | || (hdr->sh_type == SHT_NOBITS |
5308 | || (hdr->sh_type == SHT_NOBITS |
4858 | && hdr->contents == NULL))) |
5309 | && hdr->contents == NULL))) |
4859 | BFD_ASSERT (hdr->sh_offset == hdr->bfd_section->filepos); |
5310 | BFD_ASSERT (hdr->sh_offset == hdr->bfd_section->filepos); |
4860 | else if ((hdr->sh_flags & SHF_ALLOC) != 0) |
5311 | else if ((hdr->sh_flags & SHF_ALLOC) != 0) |
4861 | { |
5312 | { |
4862 | if (hdr->sh_size != 0) |
5313 | if (hdr->sh_size != 0) |
4863 | (*_bfd_error_handler) |
5314 | (*_bfd_error_handler) |
4864 | (_("%B: warning: allocated section `%s' not in segment"), |
5315 | (_("%B: warning: allocated section `%s' not in segment"), |
4865 | abfd, |
5316 | abfd, |
4866 | (hdr->bfd_section == NULL |
5317 | (hdr->bfd_section == NULL |
4867 | ? "*unknown*" |
5318 | ? "*unknown*" |
4868 | : hdr->bfd_section->name)); |
5319 | : hdr->bfd_section->name)); |
4869 | /* We don't need to page align empty sections. */ |
5320 | /* We don't need to page align empty sections. */ |
4870 | if ((abfd->flags & D_PAGED) != 0 && hdr->sh_size != 0) |
5321 | if ((abfd->flags & D_PAGED) != 0 && hdr->sh_size != 0) |
4871 | off += vma_page_aligned_bias (hdr->sh_addr, off, |
5322 | off += vma_page_aligned_bias (hdr->sh_addr, off, |
4872 | bed->maxpagesize); |
5323 | bed->maxpagesize); |
4873 | else |
5324 | else |
4874 | off += vma_page_aligned_bias (hdr->sh_addr, off, |
5325 | off += vma_page_aligned_bias (hdr->sh_addr, off, |
4875 | hdr->sh_addralign); |
5326 | hdr->sh_addralign); |
4876 | off = _bfd_elf_assign_file_position_for_section (hdr, off, |
5327 | off = _bfd_elf_assign_file_position_for_section (hdr, off, |
4877 | FALSE); |
5328 | FALSE); |
4878 | } |
5329 | } |
4879 | else if (((hdr->sh_type == SHT_REL || hdr->sh_type == SHT_RELA) |
5330 | else if (((hdr->sh_type == SHT_REL || hdr->sh_type == SHT_RELA) |
4880 | && hdr->bfd_section == NULL) |
5331 | && hdr->bfd_section == NULL) |
- | 5332 | || (hdr->bfd_section != NULL |
|
- | 5333 | && (hdr->bfd_section->flags & SEC_ELF_COMPRESS)) |
|
- | 5334 | /* Compress DWARF debug sections. */ |
|
4881 | || hdr == i_shdrpp[elf_onesymtab (abfd)] |
5335 | || hdr == i_shdrpp[elf_onesymtab (abfd)] |
- | 5336 | || (elf_symtab_shndx_list (abfd) != NULL |
|
- | 5337 | && hdr == i_shdrpp[elf_symtab_shndx_list (abfd)->ndx]) |
|
4882 | || hdr == i_shdrpp[elf_symtab_shndx (abfd)] |
5338 | || hdr == i_shdrpp[elf_strtab_sec (abfd)] |
4883 | || hdr == i_shdrpp[elf_strtab_sec (abfd)]) |
5339 | || hdr == i_shdrpp[elf_shstrtab_sec (abfd)]) |
4884 | hdr->sh_offset = -1; |
5340 | hdr->sh_offset = -1; |
4885 | else |
5341 | else |
4886 | off = _bfd_elf_assign_file_position_for_section (hdr, off, TRUE); |
5342 | off = _bfd_elf_assign_file_position_for_section (hdr, off, TRUE); |
4887 | } |
5343 | } |
4888 | 5344 | ||
4889 | /* Now that we have set the section file positions, we can set up |
5345 | /* Now that we have set the section file positions, we can set up |
4890 | the file positions for the non PT_LOAD segments. */ |
5346 | the file positions for the non PT_LOAD segments. */ |
4891 | count = 0; |
5347 | count = 0; |
4892 | filehdr_vaddr = 0; |
5348 | filehdr_vaddr = 0; |
4893 | filehdr_paddr = 0; |
5349 | filehdr_paddr = 0; |
4894 | phdrs_vaddr = bed->maxpagesize + bed->s->sizeof_ehdr; |
5350 | phdrs_vaddr = bed->maxpagesize + bed->s->sizeof_ehdr; |
4895 | phdrs_paddr = 0; |
5351 | phdrs_paddr = 0; |
4896 | hdrs_segment = NULL; |
5352 | hdrs_segment = NULL; |
4897 | phdrs = elf_tdata (abfd)->phdr; |
5353 | phdrs = elf_tdata (abfd)->phdr; |
4898 | for (m = elf_seg_map (abfd), p = phdrs; m != NULL; m = m->next, p++) |
5354 | for (m = elf_seg_map (abfd), p = phdrs; m != NULL; m = m->next, p++) |
4899 | { |
5355 | { |
4900 | ++count; |
5356 | ++count; |
4901 | if (p->p_type != PT_LOAD) |
5357 | if (p->p_type != PT_LOAD) |
4902 | continue; |
5358 | continue; |
4903 | 5359 | ||
4904 | if (m->includes_filehdr) |
5360 | if (m->includes_filehdr) |
4905 | { |
5361 | { |
4906 | filehdr_vaddr = p->p_vaddr; |
5362 | filehdr_vaddr = p->p_vaddr; |
4907 | filehdr_paddr = p->p_paddr; |
5363 | filehdr_paddr = p->p_paddr; |
4908 | } |
5364 | } |
4909 | if (m->includes_phdrs) |
5365 | if (m->includes_phdrs) |
4910 | { |
5366 | { |
4911 | phdrs_vaddr = p->p_vaddr; |
5367 | phdrs_vaddr = p->p_vaddr; |
4912 | phdrs_paddr = p->p_paddr; |
5368 | phdrs_paddr = p->p_paddr; |
4913 | if (m->includes_filehdr) |
5369 | if (m->includes_filehdr) |
4914 | { |
5370 | { |
4915 | hdrs_segment = m; |
5371 | hdrs_segment = m; |
4916 | phdrs_vaddr += bed->s->sizeof_ehdr; |
5372 | phdrs_vaddr += bed->s->sizeof_ehdr; |
4917 | phdrs_paddr += bed->s->sizeof_ehdr; |
5373 | phdrs_paddr += bed->s->sizeof_ehdr; |
4918 | } |
5374 | } |
4919 | } |
5375 | } |
4920 | } |
5376 | } |
4921 | 5377 | ||
4922 | if (hdrs_segment != NULL && link_info != NULL) |
5378 | if (hdrs_segment != NULL && link_info != NULL) |
4923 | { |
5379 | { |
4924 | /* There is a segment that contains both the file headers and the |
5380 | /* There is a segment that contains both the file headers and the |
4925 | program headers, so provide a symbol __ehdr_start pointing there. |
5381 | program headers, so provide a symbol __ehdr_start pointing there. |
4926 | A program can use this to examine itself robustly. */ |
5382 | A program can use this to examine itself robustly. */ |
4927 | 5383 | ||
4928 | struct elf_link_hash_entry *hash |
5384 | struct elf_link_hash_entry *hash |
4929 | = elf_link_hash_lookup (elf_hash_table (link_info), "__ehdr_start", |
5385 | = elf_link_hash_lookup (elf_hash_table (link_info), "__ehdr_start", |
4930 | FALSE, FALSE, TRUE); |
5386 | FALSE, FALSE, TRUE); |
4931 | /* If the symbol was referenced and not defined, define it. */ |
5387 | /* If the symbol was referenced and not defined, define it. */ |
4932 | if (hash != NULL |
5388 | if (hash != NULL |
4933 | && (hash->root.type == bfd_link_hash_new |
5389 | && (hash->root.type == bfd_link_hash_new |
4934 | || hash->root.type == bfd_link_hash_undefined |
5390 | || hash->root.type == bfd_link_hash_undefined |
4935 | || hash->root.type == bfd_link_hash_undefweak |
5391 | || hash->root.type == bfd_link_hash_undefweak |
4936 | || hash->root.type == bfd_link_hash_common)) |
5392 | || hash->root.type == bfd_link_hash_common)) |
4937 | { |
5393 | { |
4938 | asection *s = NULL; |
5394 | asection *s = NULL; |
4939 | if (hdrs_segment->count != 0) |
5395 | if (hdrs_segment->count != 0) |
4940 | /* The segment contains sections, so use the first one. */ |
5396 | /* The segment contains sections, so use the first one. */ |
4941 | s = hdrs_segment->sections[0]; |
5397 | s = hdrs_segment->sections[0]; |
4942 | else |
5398 | else |
4943 | /* Use the first (i.e. lowest-addressed) section in any segment. */ |
5399 | /* Use the first (i.e. lowest-addressed) section in any segment. */ |
4944 | for (m = elf_seg_map (abfd); m != NULL; m = m->next) |
5400 | for (m = elf_seg_map (abfd); m != NULL; m = m->next) |
4945 | if (m->count != 0) |
5401 | if (m->count != 0) |
4946 | { |
5402 | { |
4947 | s = m->sections[0]; |
5403 | s = m->sections[0]; |
4948 | break; |
5404 | break; |
4949 | } |
5405 | } |
4950 | 5406 | ||
4951 | if (s != NULL) |
5407 | if (s != NULL) |
4952 | { |
5408 | { |
4953 | hash->root.u.def.value = filehdr_vaddr - s->vma; |
5409 | hash->root.u.def.value = filehdr_vaddr - s->vma; |
4954 | hash->root.u.def.section = s; |
5410 | hash->root.u.def.section = s; |
4955 | } |
5411 | } |
4956 | else |
5412 | else |
4957 | { |
5413 | { |
4958 | hash->root.u.def.value = filehdr_vaddr; |
5414 | hash->root.u.def.value = filehdr_vaddr; |
4959 | hash->root.u.def.section = bfd_abs_section_ptr; |
5415 | hash->root.u.def.section = bfd_abs_section_ptr; |
4960 | } |
5416 | } |
4961 | 5417 | ||
4962 | hash->root.type = bfd_link_hash_defined; |
5418 | hash->root.type = bfd_link_hash_defined; |
4963 | hash->def_regular = 1; |
5419 | hash->def_regular = 1; |
4964 | hash->non_elf = 0; |
5420 | hash->non_elf = 0; |
4965 | } |
5421 | } |
4966 | } |
5422 | } |
4967 | 5423 | ||
4968 | for (m = elf_seg_map (abfd), p = phdrs; m != NULL; m = m->next, p++) |
5424 | for (m = elf_seg_map (abfd), p = phdrs; m != NULL; m = m->next, p++) |
4969 | { |
5425 | { |
4970 | if (p->p_type == PT_GNU_RELRO) |
5426 | if (p->p_type == PT_GNU_RELRO) |
4971 | { |
5427 | { |
4972 | const Elf_Internal_Phdr *lp; |
5428 | const Elf_Internal_Phdr *lp; |
4973 | struct elf_segment_map *lm; |
5429 | struct elf_segment_map *lm; |
4974 | 5430 | ||
4975 | if (link_info != NULL) |
5431 | if (link_info != NULL) |
4976 | { |
5432 | { |
4977 | /* During linking the range of the RELRO segment is passed |
5433 | /* During linking the range of the RELRO segment is passed |
4978 | in link_info. */ |
5434 | in link_info. */ |
4979 | for (lm = elf_seg_map (abfd), lp = phdrs; |
5435 | for (lm = elf_seg_map (abfd), lp = phdrs; |
4980 | lm != NULL; |
5436 | lm != NULL; |
4981 | lm = lm->next, lp++) |
5437 | lm = lm->next, lp++) |
4982 | { |
5438 | { |
4983 | if (lp->p_type == PT_LOAD |
5439 | if (lp->p_type == PT_LOAD |
4984 | && lp->p_vaddr < link_info->relro_end |
5440 | && lp->p_vaddr < link_info->relro_end |
4985 | && lp->p_vaddr + lp->p_filesz >= link_info->relro_end |
- | |
4986 | && lm->count != 0 |
5441 | && lm->count != 0 |
4987 | && lm->sections[0]->vma >= link_info->relro_start) |
5442 | && lm->sections[0]->vma >= link_info->relro_start) |
4988 | break; |
5443 | break; |
4989 | } |
5444 | } |
4990 | - | ||
4991 | /* PR ld/14207. If the RELRO segment doesn't fit in the |
- | |
4992 | LOAD segment, it should be removed. */ |
5445 | |
4993 | BFD_ASSERT (lm != NULL); |
5446 | BFD_ASSERT (lm != NULL); |
4994 | } |
5447 | } |
4995 | else |
5448 | else |
4996 | { |
5449 | { |
4997 | /* Otherwise we are copying an executable or shared |
5450 | /* Otherwise we are copying an executable or shared |
4998 | library, but we need to use the same linker logic. */ |
5451 | library, but we need to use the same linker logic. */ |
4999 | for (lp = phdrs; lp < phdrs + count; ++lp) |
5452 | for (lp = phdrs; lp < phdrs + count; ++lp) |
5000 | { |
5453 | { |
5001 | if (lp->p_type == PT_LOAD |
5454 | if (lp->p_type == PT_LOAD |
5002 | && lp->p_paddr == p->p_paddr) |
5455 | && lp->p_paddr == p->p_paddr) |
5003 | break; |
5456 | break; |
5004 | } |
5457 | } |
5005 | } |
5458 | } |
5006 | 5459 | ||
5007 | if (lp < phdrs + count) |
5460 | if (lp < phdrs + count) |
5008 | { |
5461 | { |
5009 | p->p_vaddr = lp->p_vaddr; |
5462 | p->p_vaddr = lp->p_vaddr; |
5010 | p->p_paddr = lp->p_paddr; |
5463 | p->p_paddr = lp->p_paddr; |
5011 | p->p_offset = lp->p_offset; |
5464 | p->p_offset = lp->p_offset; |
5012 | if (link_info != NULL) |
5465 | if (link_info != NULL) |
5013 | p->p_filesz = link_info->relro_end - lp->p_vaddr; |
5466 | p->p_filesz = link_info->relro_end - lp->p_vaddr; |
5014 | else if (m->p_size_valid) |
5467 | else if (m->p_size_valid) |
5015 | p->p_filesz = m->p_size; |
5468 | p->p_filesz = m->p_size; |
5016 | else |
5469 | else |
5017 | abort (); |
5470 | abort (); |
5018 | p->p_memsz = p->p_filesz; |
5471 | p->p_memsz = p->p_filesz; |
5019 | /* Preserve the alignment and flags if they are valid. The |
5472 | /* Preserve the alignment and flags if they are valid. The |
5020 | gold linker generates RW/4 for the PT_GNU_RELRO section. |
5473 | gold linker generates RW/4 for the PT_GNU_RELRO section. |
5021 | It is better for objcopy/strip to honor these attributes |
5474 | It is better for objcopy/strip to honor these attributes |
5022 | otherwise gdb will choke when using separate debug files. |
5475 | otherwise gdb will choke when using separate debug files. |
5023 | */ |
5476 | */ |
5024 | if (!m->p_align_valid) |
5477 | if (!m->p_align_valid) |
5025 | p->p_align = 1; |
5478 | p->p_align = 1; |
5026 | if (!m->p_flags_valid) |
5479 | if (!m->p_flags_valid) |
5027 | p->p_flags = (lp->p_flags & ~PF_W); |
5480 | p->p_flags = PF_R; |
5028 | } |
5481 | } |
5029 | else |
5482 | else |
5030 | { |
5483 | { |
5031 | memset (p, 0, sizeof *p); |
5484 | memset (p, 0, sizeof *p); |
5032 | p->p_type = PT_NULL; |
5485 | p->p_type = PT_NULL; |
5033 | } |
5486 | } |
5034 | } |
5487 | } |
5035 | else if (p->p_type == PT_GNU_STACK) |
5488 | else if (p->p_type == PT_GNU_STACK) |
5036 | { |
5489 | { |
5037 | if (m->p_size_valid) |
5490 | if (m->p_size_valid) |
5038 | p->p_memsz = m->p_size; |
5491 | p->p_memsz = m->p_size; |
5039 | } |
5492 | } |
5040 | else if (m->count != 0) |
5493 | else if (m->count != 0) |
5041 | { |
5494 | { |
- | 5495 | unsigned int i; |
|
5042 | if (p->p_type != PT_LOAD |
5496 | if (p->p_type != PT_LOAD |
5043 | && (p->p_type != PT_NOTE |
5497 | && (p->p_type != PT_NOTE |
5044 | || bfd_get_format (abfd) != bfd_core)) |
5498 | || bfd_get_format (abfd) != bfd_core)) |
5045 | { |
5499 | { |
5046 | BFD_ASSERT (!m->includes_filehdr && !m->includes_phdrs); |
5500 | if (m->includes_filehdr || m->includes_phdrs) |
- | 5501 | { |
|
- | 5502 | /* PR 17512: file: 2195325e. */ |
|
- | 5503 | (*_bfd_error_handler) |
|
- | 5504 | (_("%B: warning: non-load segment includes file header and/or program header"), |
|
- | 5505 | abfd); |
|
- | 5506 | return FALSE; |
|
- | 5507 | } |
|
5047 | 5508 | ||
5048 | p->p_filesz = 0; |
5509 | p->p_filesz = 0; |
5049 | p->p_offset = m->sections[0]->filepos; |
5510 | p->p_offset = m->sections[0]->filepos; |
5050 | for (i = m->count; i-- != 0;) |
5511 | for (i = m->count; i-- != 0;) |
5051 | { |
5512 | { |
5052 | asection *sect = m->sections[i]; |
5513 | asection *sect = m->sections[i]; |
5053 | Elf_Internal_Shdr *hdr = &elf_section_data (sect)->this_hdr; |
5514 | Elf_Internal_Shdr *hdr = &elf_section_data (sect)->this_hdr; |
5054 | if (hdr->sh_type != SHT_NOBITS) |
5515 | if (hdr->sh_type != SHT_NOBITS) |
5055 | { |
5516 | { |
5056 | p->p_filesz = (sect->filepos - m->sections[0]->filepos |
5517 | p->p_filesz = (sect->filepos - m->sections[0]->filepos |
5057 | + hdr->sh_size); |
5518 | + hdr->sh_size); |
5058 | break; |
5519 | break; |
5059 | } |
5520 | } |
5060 | } |
5521 | } |
5061 | } |
5522 | } |
5062 | } |
5523 | } |
5063 | else if (m->includes_filehdr) |
5524 | else if (m->includes_filehdr) |
5064 | { |
5525 | { |
5065 | p->p_vaddr = filehdr_vaddr; |
5526 | p->p_vaddr = filehdr_vaddr; |
5066 | if (! m->p_paddr_valid) |
5527 | if (! m->p_paddr_valid) |
5067 | p->p_paddr = filehdr_paddr; |
5528 | p->p_paddr = filehdr_paddr; |
5068 | } |
5529 | } |
5069 | else if (m->includes_phdrs) |
5530 | else if (m->includes_phdrs) |
5070 | { |
5531 | { |
5071 | p->p_vaddr = phdrs_vaddr; |
5532 | p->p_vaddr = phdrs_vaddr; |
5072 | if (! m->p_paddr_valid) |
5533 | if (! m->p_paddr_valid) |
5073 | p->p_paddr = phdrs_paddr; |
5534 | p->p_paddr = phdrs_paddr; |
5074 | } |
5535 | } |
5075 | } |
5536 | } |
5076 | 5537 | ||
5077 | elf_next_file_pos (abfd) = off; |
5538 | elf_next_file_pos (abfd) = off; |
5078 | 5539 | ||
5079 | return TRUE; |
5540 | return TRUE; |
5080 | } |
5541 | } |
- | 5542 | ||
- | 5543 | static elf_section_list * |
|
- | 5544 | find_section_in_list (unsigned int i, elf_section_list * list) |
|
- | 5545 | { |
|
- | 5546 | for (;list != NULL; list = list->next) |
|
- | 5547 | if (list->ndx == i) |
|
- | 5548 | break; |
|
- | 5549 | return list; |
|
- | 5550 | } |
|
5081 | 5551 | ||
5082 | /* Work out the file positions of all the sections. This is called by |
5552 | /* Work out the file positions of all the sections. This is called by |
5083 | _bfd_elf_compute_section_file_positions. All the section sizes and |
5553 | _bfd_elf_compute_section_file_positions. All the section sizes and |
5084 | VMAs must be known before this is called. |
5554 | VMAs must be known before this is called. |
5085 | 5555 | ||
5086 | Reloc sections come in two flavours: Those processed specially as |
5556 | Reloc sections come in two flavours: Those processed specially as |
5087 | "side-channel" data attached to a section to which they apply, and |
5557 | "side-channel" data attached to a section to which they apply, and |
5088 | those that bfd doesn't process as relocations. The latter sort are |
5558 | those that bfd doesn't process as relocations. The latter sort are |
5089 | stored in a normal bfd section by bfd_section_from_shdr. We don't |
5559 | stored in a normal bfd section by bfd_section_from_shdr. We don't |
5090 | consider the former sort here, unless they form part of the loadable |
5560 | consider the former sort here, unless they form part of the loadable |
5091 | image. Reloc sections not assigned here will be handled later by |
5561 | image. Reloc sections not assigned here will be handled later by |
5092 | assign_file_positions_for_relocs. |
5562 | assign_file_positions_for_relocs. |
5093 | 5563 | ||
5094 | We also don't set the positions of the .symtab and .strtab here. */ |
5564 | We also don't set the positions of the .symtab and .strtab here. */ |
5095 | 5565 | ||
5096 | static bfd_boolean |
5566 | static bfd_boolean |
5097 | assign_file_positions_except_relocs (bfd *abfd, |
5567 | assign_file_positions_except_relocs (bfd *abfd, |
5098 | struct bfd_link_info *link_info) |
5568 | struct bfd_link_info *link_info) |
5099 | { |
5569 | { |
5100 | struct elf_obj_tdata *tdata = elf_tdata (abfd); |
5570 | struct elf_obj_tdata *tdata = elf_tdata (abfd); |
5101 | Elf_Internal_Ehdr *i_ehdrp = elf_elfheader (abfd); |
5571 | Elf_Internal_Ehdr *i_ehdrp = elf_elfheader (abfd); |
5102 | file_ptr off; |
- | |
5103 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
5572 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
5104 | 5573 | ||
5105 | if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0 |
5574 | if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0 |
5106 | && bfd_get_format (abfd) != bfd_core) |
5575 | && bfd_get_format (abfd) != bfd_core) |
5107 | { |
5576 | { |
5108 | Elf_Internal_Shdr ** const i_shdrpp = elf_elfsections (abfd); |
5577 | Elf_Internal_Shdr ** const i_shdrpp = elf_elfsections (abfd); |
5109 | unsigned int num_sec = elf_numsections (abfd); |
5578 | unsigned int num_sec = elf_numsections (abfd); |
5110 | Elf_Internal_Shdr **hdrpp; |
5579 | Elf_Internal_Shdr **hdrpp; |
5111 | unsigned int i; |
5580 | unsigned int i; |
- | 5581 | file_ptr off; |
|
5112 | 5582 | ||
5113 | /* Start after the ELF header. */ |
5583 | /* Start after the ELF header. */ |
5114 | off = i_ehdrp->e_ehsize; |
5584 | off = i_ehdrp->e_ehsize; |
5115 | 5585 | ||
5116 | /* We are not creating an executable, which means that we are |
5586 | /* We are not creating an executable, which means that we are |
5117 | not creating a program header, and that the actual order of |
5587 | not creating a program header, and that the actual order of |
5118 | the sections in the file is unimportant. */ |
5588 | the sections in the file is unimportant. */ |
5119 | for (i = 1, hdrpp = i_shdrpp + 1; i < num_sec; i++, hdrpp++) |
5589 | for (i = 1, hdrpp = i_shdrpp + 1; i < num_sec; i++, hdrpp++) |
5120 | { |
5590 | { |
5121 | Elf_Internal_Shdr *hdr; |
5591 | Elf_Internal_Shdr *hdr; |
5122 | 5592 | ||
5123 | hdr = *hdrpp; |
5593 | hdr = *hdrpp; |
5124 | if (((hdr->sh_type == SHT_REL || hdr->sh_type == SHT_RELA) |
5594 | if (((hdr->sh_type == SHT_REL || hdr->sh_type == SHT_RELA) |
5125 | && hdr->bfd_section == NULL) |
5595 | && hdr->bfd_section == NULL) |
- | 5596 | || (hdr->bfd_section != NULL |
|
- | 5597 | && (hdr->bfd_section->flags & SEC_ELF_COMPRESS)) |
|
- | 5598 | /* Compress DWARF debug sections. */ |
|
5126 | || i == elf_onesymtab (abfd) |
5599 | || i == elf_onesymtab (abfd) |
- | 5600 | || (elf_symtab_shndx_list (abfd) != NULL |
|
- | 5601 | && hdr == i_shdrpp[elf_symtab_shndx_list (abfd)->ndx]) |
|
5127 | || i == elf_symtab_shndx (abfd) |
5602 | || i == elf_strtab_sec (abfd) |
5128 | || i == elf_strtab_sec (abfd)) |
5603 | || i == elf_shstrtab_sec (abfd)) |
5129 | { |
5604 | { |
5130 | hdr->sh_offset = -1; |
5605 | hdr->sh_offset = -1; |
5131 | } |
5606 | } |
5132 | else |
5607 | else |
5133 | off = _bfd_elf_assign_file_position_for_section (hdr, off, TRUE); |
5608 | off = _bfd_elf_assign_file_position_for_section (hdr, off, TRUE); |
5134 | } |
5609 | } |
- | 5610 | ||
- | 5611 | elf_next_file_pos (abfd) = off; |
|
5135 | } |
5612 | } |
5136 | else |
5613 | else |
5137 | { |
5614 | { |
5138 | unsigned int alloc; |
5615 | unsigned int alloc; |
5139 | 5616 | ||
5140 | /* Assign file positions for the loaded sections based on the |
5617 | /* Assign file positions for the loaded sections based on the |
5141 | assignment of sections to segments. */ |
5618 | assignment of sections to segments. */ |
5142 | if (!assign_file_positions_for_load_sections (abfd, link_info)) |
5619 | if (!assign_file_positions_for_load_sections (abfd, link_info)) |
5143 | return FALSE; |
5620 | return FALSE; |
5144 | 5621 | ||
5145 | /* And for non-load sections. */ |
5622 | /* And for non-load sections. */ |
5146 | if (!assign_file_positions_for_non_load_sections (abfd, link_info)) |
5623 | if (!assign_file_positions_for_non_load_sections (abfd, link_info)) |
5147 | return FALSE; |
5624 | return FALSE; |
5148 | 5625 | ||
5149 | if (bed->elf_backend_modify_program_headers != NULL) |
5626 | if (bed->elf_backend_modify_program_headers != NULL) |
5150 | { |
5627 | { |
5151 | if (!(*bed->elf_backend_modify_program_headers) (abfd, link_info)) |
5628 | if (!(*bed->elf_backend_modify_program_headers) (abfd, link_info)) |
5152 | return FALSE; |
5629 | return FALSE; |
5153 | } |
5630 | } |
- | 5631 | ||
- | 5632 | /* Set e_type in ELF header to ET_EXEC for -pie -Ttext-segment=. */ |
|
- | 5633 | if (link_info != NULL && bfd_link_pie (link_info)) |
|
- | 5634 | { |
|
- | 5635 | unsigned int num_segments = elf_elfheader (abfd)->e_phnum; |
|
- | 5636 | Elf_Internal_Phdr *segment = elf_tdata (abfd)->phdr; |
|
- | 5637 | Elf_Internal_Phdr *end_segment = &segment[num_segments]; |
|
- | 5638 | ||
- | 5639 | /* Find the lowest p_vaddr in PT_LOAD segments. */ |
|
- | 5640 | bfd_vma p_vaddr = (bfd_vma) -1; |
|
- | 5641 | for (; segment < end_segment; segment++) |
|
- | 5642 | if (segment->p_type == PT_LOAD && p_vaddr > segment->p_vaddr) |
|
- | 5643 | p_vaddr = segment->p_vaddr; |
|
- | 5644 | ||
- | 5645 | /* Set e_type to ET_EXEC if the lowest p_vaddr in PT_LOAD |
|
- | 5646 | segments is non-zero. */ |
|
- | 5647 | if (p_vaddr) |
|
- | 5648 | i_ehdrp->e_type = ET_EXEC; |
|
- | 5649 | } |
|
5154 | 5650 | ||
5155 | /* Write out the program headers. */ |
5651 | /* Write out the program headers. */ |
5156 | alloc = elf_program_header_size (abfd) / bed->s->sizeof_phdr; |
5652 | alloc = elf_program_header_size (abfd) / bed->s->sizeof_phdr; |
5157 | if (bfd_seek (abfd, (bfd_signed_vma) bed->s->sizeof_ehdr, SEEK_SET) != 0 |
5653 | if (bfd_seek (abfd, (bfd_signed_vma) bed->s->sizeof_ehdr, SEEK_SET) != 0 |
5158 | || bed->s->write_out_phdrs (abfd, tdata->phdr, alloc) != 0) |
5654 | || bed->s->write_out_phdrs (abfd, tdata->phdr, alloc) != 0) |
5159 | return FALSE; |
5655 | return FALSE; |
5160 | - | ||
5161 | off = elf_next_file_pos (abfd); |
- | |
5162 | } |
5656 | } |
5163 | - | ||
5164 | /* Place the section headers. */ |
- | |
5165 | off = align_file_position (off, 1 << bed->s->log_file_align); |
- | |
5166 | i_ehdrp->e_shoff = off; |
- | |
5167 | off += i_ehdrp->e_shnum * i_ehdrp->e_shentsize; |
- | |
5168 | - | ||
5169 | elf_next_file_pos (abfd) = off; |
- | |
5170 | 5657 | ||
5171 | return TRUE; |
5658 | return TRUE; |
5172 | } |
5659 | } |
5173 | 5660 | ||
5174 | static bfd_boolean |
5661 | static bfd_boolean |
5175 | prep_headers (bfd *abfd) |
5662 | prep_headers (bfd *abfd) |
5176 | { |
5663 | { |
5177 | Elf_Internal_Ehdr *i_ehdrp; /* Elf file header, internal form. */ |
5664 | Elf_Internal_Ehdr *i_ehdrp; /* Elf file header, internal form. */ |
5178 | struct elf_strtab_hash *shstrtab; |
5665 | struct elf_strtab_hash *shstrtab; |
5179 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
5666 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
5180 | 5667 | ||
5181 | i_ehdrp = elf_elfheader (abfd); |
5668 | i_ehdrp = elf_elfheader (abfd); |
5182 | 5669 | ||
5183 | shstrtab = _bfd_elf_strtab_init (); |
5670 | shstrtab = _bfd_elf_strtab_init (); |
5184 | if (shstrtab == NULL) |
5671 | if (shstrtab == NULL) |
5185 | return FALSE; |
5672 | return FALSE; |
5186 | 5673 | ||
5187 | elf_shstrtab (abfd) = shstrtab; |
5674 | elf_shstrtab (abfd) = shstrtab; |
5188 | 5675 | ||
5189 | i_ehdrp->e_ident[EI_MAG0] = ELFMAG0; |
5676 | i_ehdrp->e_ident[EI_MAG0] = ELFMAG0; |
5190 | i_ehdrp->e_ident[EI_MAG1] = ELFMAG1; |
5677 | i_ehdrp->e_ident[EI_MAG1] = ELFMAG1; |
5191 | i_ehdrp->e_ident[EI_MAG2] = ELFMAG2; |
5678 | i_ehdrp->e_ident[EI_MAG2] = ELFMAG2; |
5192 | i_ehdrp->e_ident[EI_MAG3] = ELFMAG3; |
5679 | i_ehdrp->e_ident[EI_MAG3] = ELFMAG3; |
5193 | 5680 | ||
5194 | i_ehdrp->e_ident[EI_CLASS] = bed->s->elfclass; |
5681 | i_ehdrp->e_ident[EI_CLASS] = bed->s->elfclass; |
5195 | i_ehdrp->e_ident[EI_DATA] = |
5682 | i_ehdrp->e_ident[EI_DATA] = |
5196 | bfd_big_endian (abfd) ? ELFDATA2MSB : ELFDATA2LSB; |
5683 | bfd_big_endian (abfd) ? ELFDATA2MSB : ELFDATA2LSB; |
5197 | i_ehdrp->e_ident[EI_VERSION] = bed->s->ev_current; |
5684 | i_ehdrp->e_ident[EI_VERSION] = bed->s->ev_current; |
5198 | 5685 | ||
5199 | if ((abfd->flags & DYNAMIC) != 0) |
5686 | if ((abfd->flags & DYNAMIC) != 0) |
5200 | i_ehdrp->e_type = ET_DYN; |
5687 | i_ehdrp->e_type = ET_DYN; |
5201 | else if ((abfd->flags & EXEC_P) != 0) |
5688 | else if ((abfd->flags & EXEC_P) != 0) |
5202 | i_ehdrp->e_type = ET_EXEC; |
5689 | i_ehdrp->e_type = ET_EXEC; |
5203 | else if (bfd_get_format (abfd) == bfd_core) |
5690 | else if (bfd_get_format (abfd) == bfd_core) |
5204 | i_ehdrp->e_type = ET_CORE; |
5691 | i_ehdrp->e_type = ET_CORE; |
5205 | else |
5692 | else |
5206 | i_ehdrp->e_type = ET_REL; |
5693 | i_ehdrp->e_type = ET_REL; |
5207 | 5694 | ||
5208 | switch (bfd_get_arch (abfd)) |
5695 | switch (bfd_get_arch (abfd)) |
5209 | { |
5696 | { |
5210 | case bfd_arch_unknown: |
5697 | case bfd_arch_unknown: |
5211 | i_ehdrp->e_machine = EM_NONE; |
5698 | i_ehdrp->e_machine = EM_NONE; |
5212 | break; |
5699 | break; |
5213 | 5700 | ||
5214 | /* There used to be a long list of cases here, each one setting |
5701 | /* There used to be a long list of cases here, each one setting |
5215 | e_machine to the same EM_* macro #defined as ELF_MACHINE_CODE |
5702 | e_machine to the same EM_* macro #defined as ELF_MACHINE_CODE |
5216 | in the corresponding bfd definition. To avoid duplication, |
5703 | in the corresponding bfd definition. To avoid duplication, |
5217 | the switch was removed. Machines that need special handling |
5704 | the switch was removed. Machines that need special handling |
5218 | can generally do it in elf_backend_final_write_processing(), |
5705 | can generally do it in elf_backend_final_write_processing(), |
5219 | unless they need the information earlier than the final write. |
5706 | unless they need the information earlier than the final write. |
5220 | Such need can generally be supplied by replacing the tests for |
5707 | Such need can generally be supplied by replacing the tests for |
5221 | e_machine with the conditions used to determine it. */ |
5708 | e_machine with the conditions used to determine it. */ |
5222 | default: |
5709 | default: |
5223 | i_ehdrp->e_machine = bed->elf_machine_code; |
5710 | i_ehdrp->e_machine = bed->elf_machine_code; |
5224 | } |
5711 | } |
5225 | 5712 | ||
5226 | i_ehdrp->e_version = bed->s->ev_current; |
5713 | i_ehdrp->e_version = bed->s->ev_current; |
5227 | i_ehdrp->e_ehsize = bed->s->sizeof_ehdr; |
5714 | i_ehdrp->e_ehsize = bed->s->sizeof_ehdr; |
5228 | 5715 | ||
5229 | /* No program header, for now. */ |
5716 | /* No program header, for now. */ |
5230 | i_ehdrp->e_phoff = 0; |
5717 | i_ehdrp->e_phoff = 0; |
5231 | i_ehdrp->e_phentsize = 0; |
5718 | i_ehdrp->e_phentsize = 0; |
5232 | i_ehdrp->e_phnum = 0; |
5719 | i_ehdrp->e_phnum = 0; |
5233 | 5720 | ||
5234 | /* Each bfd section is section header entry. */ |
5721 | /* Each bfd section is section header entry. */ |
5235 | i_ehdrp->e_entry = bfd_get_start_address (abfd); |
5722 | i_ehdrp->e_entry = bfd_get_start_address (abfd); |
5236 | i_ehdrp->e_shentsize = bed->s->sizeof_shdr; |
5723 | i_ehdrp->e_shentsize = bed->s->sizeof_shdr; |
5237 | 5724 | ||
5238 | /* If we're building an executable, we'll need a program header table. */ |
5725 | /* If we're building an executable, we'll need a program header table. */ |
5239 | if (abfd->flags & EXEC_P) |
5726 | if (abfd->flags & EXEC_P) |
5240 | /* It all happens later. */ |
5727 | /* It all happens later. */ |
5241 | ; |
5728 | ; |
5242 | else |
5729 | else |
5243 | { |
5730 | { |
5244 | i_ehdrp->e_phentsize = 0; |
5731 | i_ehdrp->e_phentsize = 0; |
5245 | i_ehdrp->e_phoff = 0; |
5732 | i_ehdrp->e_phoff = 0; |
5246 | } |
5733 | } |
5247 | 5734 | ||
5248 | elf_tdata (abfd)->symtab_hdr.sh_name = |
5735 | elf_tdata (abfd)->symtab_hdr.sh_name = |
5249 | (unsigned int) _bfd_elf_strtab_add (shstrtab, ".symtab", FALSE); |
5736 | (unsigned int) _bfd_elf_strtab_add (shstrtab, ".symtab", FALSE); |
5250 | elf_tdata (abfd)->strtab_hdr.sh_name = |
5737 | elf_tdata (abfd)->strtab_hdr.sh_name = |
5251 | (unsigned int) _bfd_elf_strtab_add (shstrtab, ".strtab", FALSE); |
5738 | (unsigned int) _bfd_elf_strtab_add (shstrtab, ".strtab", FALSE); |
5252 | elf_tdata (abfd)->shstrtab_hdr.sh_name = |
5739 | elf_tdata (abfd)->shstrtab_hdr.sh_name = |
5253 | (unsigned int) _bfd_elf_strtab_add (shstrtab, ".shstrtab", FALSE); |
5740 | (unsigned int) _bfd_elf_strtab_add (shstrtab, ".shstrtab", FALSE); |
5254 | if (elf_tdata (abfd)->symtab_hdr.sh_name == (unsigned int) -1 |
5741 | if (elf_tdata (abfd)->symtab_hdr.sh_name == (unsigned int) -1 |
5255 | || elf_tdata (abfd)->symtab_hdr.sh_name == (unsigned int) -1 |
5742 | || elf_tdata (abfd)->strtab_hdr.sh_name == (unsigned int) -1 |
5256 | || elf_tdata (abfd)->shstrtab_hdr.sh_name == (unsigned int) -1) |
5743 | || elf_tdata (abfd)->shstrtab_hdr.sh_name == (unsigned int) -1) |
5257 | return FALSE; |
5744 | return FALSE; |
5258 | 5745 | ||
5259 | return TRUE; |
5746 | return TRUE; |
5260 | } |
5747 | } |
5261 | 5748 | ||
5262 | /* Assign file positions for all the reloc sections which are not part |
5749 | /* Assign file positions for all the reloc sections which are not part |
5263 | of the loadable file image. */ |
5750 | of the loadable file image, and the file position of section headers. */ |
5264 | 5751 | ||
5265 | void |
5752 | static bfd_boolean |
5266 | _bfd_elf_assign_file_positions_for_relocs (bfd *abfd) |
5753 | _bfd_elf_assign_file_positions_for_non_load (bfd *abfd) |
5267 | { |
5754 | { |
- | 5755 | file_ptr off; |
|
5268 | file_ptr off; |
5756 | Elf_Internal_Shdr **shdrpp, **end_shdrpp; |
5269 | unsigned int i, num_sec; |
5757 | Elf_Internal_Shdr *shdrp; |
- | 5758 | Elf_Internal_Ehdr *i_ehdrp; |
|
5270 | Elf_Internal_Shdr **shdrpp; |
5759 | const struct elf_backend_data *bed; |
5271 | 5760 | ||
5272 | off = elf_next_file_pos (abfd); |
5761 | off = elf_next_file_pos (abfd); |
5273 | 5762 | ||
5274 | num_sec = elf_numsections (abfd); |
5763 | shdrpp = elf_elfsections (abfd); |
- | 5764 | end_shdrpp = shdrpp + elf_numsections (abfd); |
|
5275 | for (i = 1, shdrpp = elf_elfsections (abfd) + 1; i < num_sec; i++, shdrpp++) |
5765 | for (shdrpp++; shdrpp < end_shdrpp; shdrpp++) |
5276 | { |
- | |
5277 | Elf_Internal_Shdr *shdrp; |
- | |
5278 | 5766 | { |
|
- | 5767 | shdrp = *shdrpp; |
|
- | 5768 | if (shdrp->sh_offset == -1) |
|
- | 5769 | { |
|
5279 | shdrp = *shdrpp; |
5770 | asection *sec = shdrp->bfd_section; |
5280 | if ((shdrp->sh_type == SHT_REL || shdrp->sh_type == SHT_RELA) |
5771 | bfd_boolean is_rel = (shdrp->sh_type == SHT_REL |
- | 5772 | || shdrp->sh_type == SHT_RELA); |
|
- | 5773 | if (is_rel |
|
- | 5774 | || (sec != NULL && (sec->flags & SEC_ELF_COMPRESS))) |
|
- | 5775 | { |
|
- | 5776 | if (!is_rel) |
|
- | 5777 | { |
|
- | 5778 | const char *name = sec->name; |
|
- | 5779 | struct bfd_elf_section_data *d; |
|
- | 5780 | ||
- | 5781 | /* Compress DWARF debug sections. */ |
|
- | 5782 | if (!bfd_compress_section (abfd, sec, |
|
- | 5783 | shdrp->contents)) |
|
- | 5784 | return FALSE; |
|
- | 5785 | ||
- | 5786 | if (sec->compress_status == COMPRESS_SECTION_DONE |
|
- | 5787 | && (abfd->flags & BFD_COMPRESS_GABI) == 0) |
|
- | 5788 | { |
|
- | 5789 | /* If section is compressed with zlib-gnu, convert |
|
- | 5790 | section name from .debug_* to .zdebug_*. */ |
|
- | 5791 | char *new_name |
|
- | 5792 | = convert_debug_to_zdebug (abfd, name); |
|
- | 5793 | if (new_name == NULL) |
|
- | 5794 | return FALSE; |
|
- | 5795 | name = new_name; |
|
- | 5796 | } |
|
- | 5797 | /* Add setion name to section name section. */ |
|
- | 5798 | if (shdrp->sh_name != (unsigned int) -1) |
|
- | 5799 | abort (); |
|
- | 5800 | shdrp->sh_name |
|
- | 5801 | = (unsigned int) _bfd_elf_strtab_add (elf_shstrtab (abfd), |
|
- | 5802 | name, FALSE); |
|
- | 5803 | d = elf_section_data (sec); |
|
- | 5804 | ||
- | 5805 | /* Add reloc setion name to section name section. */ |
|
- | 5806 | if (d->rel.hdr |
|
- | 5807 | && !_bfd_elf_set_reloc_sh_name (abfd, |
|
- | 5808 | d->rel.hdr, |
|
- | 5809 | name, FALSE)) |
|
- | 5810 | return FALSE; |
|
- | 5811 | if (d->rela.hdr |
|
- | 5812 | && !_bfd_elf_set_reloc_sh_name (abfd, |
|
- | 5813 | d->rela.hdr, |
|
- | 5814 | name, TRUE)) |
|
- | 5815 | return FALSE; |
|
- | 5816 | ||
- | 5817 | /* Update section size and contents. */ |
|
- | 5818 | shdrp->sh_size = sec->size; |
|
- | 5819 | shdrp->contents = sec->contents; |
|
- | 5820 | shdrp->bfd_section->contents = NULL; |
|
5281 | && shdrp->sh_offset == -1) |
5821 | } |
- | 5822 | off = _bfd_elf_assign_file_position_for_section (shdrp, |
|
- | 5823 | off, |
|
5282 | off = _bfd_elf_assign_file_position_for_section (shdrp, off, TRUE); |
5824 | TRUE); |
- | 5825 | } |
|
- | 5826 | } |
|
- | 5827 | } |
|
- | 5828 | ||
- | 5829 | /* Place section name section after DWARF debug sections have been |
|
- | 5830 | compressed. */ |
|
- | 5831 | _bfd_elf_strtab_finalize (elf_shstrtab (abfd)); |
|
- | 5832 | shdrp = &elf_tdata (abfd)->shstrtab_hdr; |
|
- | 5833 | shdrp->sh_size = _bfd_elf_strtab_size (elf_shstrtab (abfd)); |
|
- | 5834 | off = _bfd_elf_assign_file_position_for_section (shdrp, off, TRUE); |
|
- | 5835 | ||
- | 5836 | /* Place the section headers. */ |
|
- | 5837 | i_ehdrp = elf_elfheader (abfd); |
|
- | 5838 | bed = get_elf_backend_data (abfd); |
|
- | 5839 | off = align_file_position (off, 1 << bed->s->log_file_align); |
|
5283 | } |
5840 | i_ehdrp->e_shoff = off; |
- | 5841 | off += i_ehdrp->e_shnum * i_ehdrp->e_shentsize; |
|
- | 5842 | elf_next_file_pos (abfd) = off; |
|
5284 | 5843 | ||
5285 | elf_next_file_pos (abfd) = off; |
5844 | return TRUE; |
5286 | } |
5845 | } |
5287 | 5846 | ||
5288 | bfd_boolean |
5847 | bfd_boolean |
5289 | _bfd_elf_write_object_contents (bfd *abfd) |
5848 | _bfd_elf_write_object_contents (bfd *abfd) |
5290 | { |
5849 | { |
5291 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
5850 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
5292 | Elf_Internal_Shdr **i_shdrp; |
5851 | Elf_Internal_Shdr **i_shdrp; |
5293 | bfd_boolean failed; |
5852 | bfd_boolean failed; |
5294 | unsigned int count, num_sec; |
5853 | unsigned int count, num_sec; |
5295 | struct elf_obj_tdata *t; |
5854 | struct elf_obj_tdata *t; |
5296 | 5855 | ||
5297 | if (! abfd->output_has_begun |
5856 | if (! abfd->output_has_begun |
5298 | && ! _bfd_elf_compute_section_file_positions (abfd, NULL)) |
5857 | && ! _bfd_elf_compute_section_file_positions (abfd, NULL)) |
5299 | return FALSE; |
5858 | return FALSE; |
5300 | 5859 | ||
5301 | i_shdrp = elf_elfsections (abfd); |
5860 | i_shdrp = elf_elfsections (abfd); |
5302 | 5861 | ||
5303 | failed = FALSE; |
5862 | failed = FALSE; |
5304 | bfd_map_over_sections (abfd, bed->s->write_relocs, &failed); |
5863 | bfd_map_over_sections (abfd, bed->s->write_relocs, &failed); |
5305 | if (failed) |
5864 | if (failed) |
5306 | return FALSE; |
5865 | return FALSE; |
5307 | 5866 | ||
- | 5867 | if (!_bfd_elf_assign_file_positions_for_non_load (abfd)) |
|
5308 | _bfd_elf_assign_file_positions_for_relocs (abfd); |
5868 | return FALSE; |
5309 | 5869 | ||
5310 | /* After writing the headers, we need to write the sections too... */ |
5870 | /* After writing the headers, we need to write the sections too... */ |
5311 | num_sec = elf_numsections (abfd); |
5871 | num_sec = elf_numsections (abfd); |
5312 | for (count = 1; count < num_sec; count++) |
5872 | for (count = 1; count < num_sec; count++) |
5313 | { |
5873 | { |
- | 5874 | i_shdrp[count]->sh_name |
|
- | 5875 | = _bfd_elf_strtab_offset (elf_shstrtab (abfd), |
|
- | 5876 | i_shdrp[count]->sh_name); |
|
5314 | if (bed->elf_backend_section_processing) |
5877 | if (bed->elf_backend_section_processing) |
5315 | (*bed->elf_backend_section_processing) (abfd, i_shdrp[count]); |
5878 | (*bed->elf_backend_section_processing) (abfd, i_shdrp[count]); |
5316 | if (i_shdrp[count]->contents) |
5879 | if (i_shdrp[count]->contents) |
5317 | { |
5880 | { |
5318 | bfd_size_type amt = i_shdrp[count]->sh_size; |
5881 | bfd_size_type amt = i_shdrp[count]->sh_size; |
5319 | 5882 | ||
5320 | if (bfd_seek (abfd, i_shdrp[count]->sh_offset, SEEK_SET) != 0 |
5883 | if (bfd_seek (abfd, i_shdrp[count]->sh_offset, SEEK_SET) != 0 |
5321 | || bfd_bwrite (i_shdrp[count]->contents, amt, abfd) != amt) |
5884 | || bfd_bwrite (i_shdrp[count]->contents, amt, abfd) != amt) |
5322 | return FALSE; |
5885 | return FALSE; |
5323 | } |
5886 | } |
5324 | } |
5887 | } |
5325 | 5888 | ||
5326 | /* Write out the section header names. */ |
5889 | /* Write out the section header names. */ |
5327 | t = elf_tdata (abfd); |
5890 | t = elf_tdata (abfd); |
5328 | if (elf_shstrtab (abfd) != NULL |
5891 | if (elf_shstrtab (abfd) != NULL |
5329 | && (bfd_seek (abfd, t->shstrtab_hdr.sh_offset, SEEK_SET) != 0 |
5892 | && (bfd_seek (abfd, t->shstrtab_hdr.sh_offset, SEEK_SET) != 0 |
5330 | || !_bfd_elf_strtab_emit (abfd, elf_shstrtab (abfd)))) |
5893 | || !_bfd_elf_strtab_emit (abfd, elf_shstrtab (abfd)))) |
5331 | return FALSE; |
5894 | return FALSE; |
5332 | 5895 | ||
5333 | if (bed->elf_backend_final_write_processing) |
5896 | if (bed->elf_backend_final_write_processing) |
5334 | (*bed->elf_backend_final_write_processing) (abfd, elf_linker (abfd)); |
5897 | (*bed->elf_backend_final_write_processing) (abfd, elf_linker (abfd)); |
5335 | 5898 | ||
5336 | if (!bed->s->write_shdrs_and_ehdr (abfd)) |
5899 | if (!bed->s->write_shdrs_and_ehdr (abfd)) |
5337 | return FALSE; |
5900 | return FALSE; |
5338 | 5901 | ||
5339 | /* This is last since write_shdrs_and_ehdr can touch i_shdrp[0]. */ |
5902 | /* This is last since write_shdrs_and_ehdr can touch i_shdrp[0]. */ |
5340 | if (t->o->build_id.after_write_object_contents != NULL) |
5903 | if (t->o->build_id.after_write_object_contents != NULL) |
5341 | return (*t->o->build_id.after_write_object_contents) (abfd); |
5904 | return (*t->o->build_id.after_write_object_contents) (abfd); |
5342 | 5905 | ||
5343 | return TRUE; |
5906 | return TRUE; |
5344 | } |
5907 | } |
5345 | 5908 | ||
5346 | bfd_boolean |
5909 | bfd_boolean |
5347 | _bfd_elf_write_corefile_contents (bfd *abfd) |
5910 | _bfd_elf_write_corefile_contents (bfd *abfd) |
5348 | { |
5911 | { |
5349 | /* Hopefully this can be done just like an object file. */ |
5912 | /* Hopefully this can be done just like an object file. */ |
5350 | return _bfd_elf_write_object_contents (abfd); |
5913 | return _bfd_elf_write_object_contents (abfd); |
5351 | } |
5914 | } |
5352 | 5915 | ||
5353 | /* Given a section, search the header to find them. */ |
5916 | /* Given a section, search the header to find them. */ |
5354 | 5917 | ||
5355 | unsigned int |
5918 | unsigned int |
5356 | _bfd_elf_section_from_bfd_section (bfd *abfd, struct bfd_section *asect) |
5919 | _bfd_elf_section_from_bfd_section (bfd *abfd, struct bfd_section *asect) |
5357 | { |
5920 | { |
5358 | const struct elf_backend_data *bed; |
5921 | const struct elf_backend_data *bed; |
5359 | unsigned int sec_index; |
5922 | unsigned int sec_index; |
5360 | 5923 | ||
5361 | if (elf_section_data (asect) != NULL |
5924 | if (elf_section_data (asect) != NULL |
5362 | && elf_section_data (asect)->this_idx != 0) |
5925 | && elf_section_data (asect)->this_idx != 0) |
5363 | return elf_section_data (asect)->this_idx; |
5926 | return elf_section_data (asect)->this_idx; |
5364 | 5927 | ||
5365 | if (bfd_is_abs_section (asect)) |
5928 | if (bfd_is_abs_section (asect)) |
5366 | sec_index = SHN_ABS; |
5929 | sec_index = SHN_ABS; |
5367 | else if (bfd_is_com_section (asect)) |
5930 | else if (bfd_is_com_section (asect)) |
5368 | sec_index = SHN_COMMON; |
5931 | sec_index = SHN_COMMON; |
5369 | else if (bfd_is_und_section (asect)) |
5932 | else if (bfd_is_und_section (asect)) |
5370 | sec_index = SHN_UNDEF; |
5933 | sec_index = SHN_UNDEF; |
5371 | else |
5934 | else |
5372 | sec_index = SHN_BAD; |
5935 | sec_index = SHN_BAD; |
5373 | 5936 | ||
5374 | bed = get_elf_backend_data (abfd); |
5937 | bed = get_elf_backend_data (abfd); |
5375 | if (bed->elf_backend_section_from_bfd_section) |
5938 | if (bed->elf_backend_section_from_bfd_section) |
5376 | { |
5939 | { |
5377 | int retval = sec_index; |
5940 | int retval = sec_index; |
5378 | 5941 | ||
5379 | if ((*bed->elf_backend_section_from_bfd_section) (abfd, asect, &retval)) |
5942 | if ((*bed->elf_backend_section_from_bfd_section) (abfd, asect, &retval)) |
5380 | return retval; |
5943 | return retval; |
5381 | } |
5944 | } |
5382 | 5945 | ||
5383 | if (sec_index == SHN_BAD) |
5946 | if (sec_index == SHN_BAD) |
5384 | bfd_set_error (bfd_error_nonrepresentable_section); |
5947 | bfd_set_error (bfd_error_nonrepresentable_section); |
5385 | 5948 | ||
5386 | return sec_index; |
5949 | return sec_index; |
5387 | } |
5950 | } |
5388 | 5951 | ||
5389 | /* Given a BFD symbol, return the index in the ELF symbol table, or -1 |
5952 | /* Given a BFD symbol, return the index in the ELF symbol table, or -1 |
5390 | on error. */ |
5953 | on error. */ |
5391 | 5954 | ||
5392 | int |
5955 | int |
5393 | _bfd_elf_symbol_from_bfd_symbol (bfd *abfd, asymbol **asym_ptr_ptr) |
5956 | _bfd_elf_symbol_from_bfd_symbol (bfd *abfd, asymbol **asym_ptr_ptr) |
5394 | { |
5957 | { |
5395 | asymbol *asym_ptr = *asym_ptr_ptr; |
5958 | asymbol *asym_ptr = *asym_ptr_ptr; |
5396 | int idx; |
5959 | int idx; |
5397 | flagword flags = asym_ptr->flags; |
5960 | flagword flags = asym_ptr->flags; |
5398 | 5961 | ||
5399 | /* When gas creates relocations against local labels, it creates its |
5962 | /* When gas creates relocations against local labels, it creates its |
5400 | own symbol for the section, but does put the symbol into the |
5963 | own symbol for the section, but does put the symbol into the |
5401 | symbol chain, so udata is 0. When the linker is generating |
5964 | symbol chain, so udata is 0. When the linker is generating |
5402 | relocatable output, this section symbol may be for one of the |
5965 | relocatable output, this section symbol may be for one of the |
5403 | input sections rather than the output section. */ |
5966 | input sections rather than the output section. */ |
5404 | if (asym_ptr->udata.i == 0 |
5967 | if (asym_ptr->udata.i == 0 |
5405 | && (flags & BSF_SECTION_SYM) |
5968 | && (flags & BSF_SECTION_SYM) |
5406 | && asym_ptr->section) |
5969 | && asym_ptr->section) |
5407 | { |
5970 | { |
5408 | asection *sec; |
5971 | asection *sec; |
5409 | int indx; |
5972 | int indx; |
5410 | 5973 | ||
5411 | sec = asym_ptr->section; |
5974 | sec = asym_ptr->section; |
5412 | if (sec->owner != abfd && sec->output_section != NULL) |
5975 | if (sec->owner != abfd && sec->output_section != NULL) |
5413 | sec = sec->output_section; |
5976 | sec = sec->output_section; |
5414 | if (sec->owner == abfd |
5977 | if (sec->owner == abfd |
5415 | && (indx = sec->index) < elf_num_section_syms (abfd) |
5978 | && (indx = sec->index) < elf_num_section_syms (abfd) |
5416 | && elf_section_syms (abfd)[indx] != NULL) |
5979 | && elf_section_syms (abfd)[indx] != NULL) |
5417 | asym_ptr->udata.i = elf_section_syms (abfd)[indx]->udata.i; |
5980 | asym_ptr->udata.i = elf_section_syms (abfd)[indx]->udata.i; |
5418 | } |
5981 | } |
5419 | 5982 | ||
5420 | idx = asym_ptr->udata.i; |
5983 | idx = asym_ptr->udata.i; |
5421 | 5984 | ||
5422 | if (idx == 0) |
5985 | if (idx == 0) |
5423 | { |
5986 | { |
5424 | /* This case can occur when using --strip-symbol on a symbol |
5987 | /* This case can occur when using --strip-symbol on a symbol |
5425 | which is used in a relocation entry. */ |
5988 | which is used in a relocation entry. */ |
5426 | (*_bfd_error_handler) |
5989 | (*_bfd_error_handler) |
5427 | (_("%B: symbol `%s' required but not present"), |
5990 | (_("%B: symbol `%s' required but not present"), |
5428 | abfd, bfd_asymbol_name (asym_ptr)); |
5991 | abfd, bfd_asymbol_name (asym_ptr)); |
5429 | bfd_set_error (bfd_error_no_symbols); |
5992 | bfd_set_error (bfd_error_no_symbols); |
5430 | return -1; |
5993 | return -1; |
5431 | } |
5994 | } |
5432 | 5995 | ||
5433 | #if DEBUG & 4 |
5996 | #if DEBUG & 4 |
5434 | { |
5997 | { |
5435 | fprintf (stderr, |
5998 | fprintf (stderr, |
5436 | "elf_symbol_from_bfd_symbol 0x%.8lx, name = %s, sym num = %d, flags = 0x%.8lx\n", |
5999 | "elf_symbol_from_bfd_symbol 0x%.8lx, name = %s, sym num = %d, flags = 0x%.8lx\n", |
5437 | (long) asym_ptr, asym_ptr->name, idx, (long) flags); |
6000 | (long) asym_ptr, asym_ptr->name, idx, (long) flags); |
5438 | fflush (stderr); |
6001 | fflush (stderr); |
5439 | } |
6002 | } |
5440 | #endif |
6003 | #endif |
5441 | 6004 | ||
5442 | return idx; |
6005 | return idx; |
5443 | } |
6006 | } |
5444 | 6007 | ||
5445 | /* Rewrite program header information. */ |
6008 | /* Rewrite program header information. */ |
5446 | 6009 | ||
5447 | static bfd_boolean |
6010 | static bfd_boolean |
5448 | rewrite_elf_program_header (bfd *ibfd, bfd *obfd) |
6011 | rewrite_elf_program_header (bfd *ibfd, bfd *obfd) |
5449 | { |
6012 | { |
5450 | Elf_Internal_Ehdr *iehdr; |
6013 | Elf_Internal_Ehdr *iehdr; |
5451 | struct elf_segment_map *map; |
6014 | struct elf_segment_map *map; |
5452 | struct elf_segment_map *map_first; |
6015 | struct elf_segment_map *map_first; |
5453 | struct elf_segment_map **pointer_to_map; |
6016 | struct elf_segment_map **pointer_to_map; |
5454 | Elf_Internal_Phdr *segment; |
6017 | Elf_Internal_Phdr *segment; |
5455 | asection *section; |
6018 | asection *section; |
5456 | unsigned int i; |
6019 | unsigned int i; |
5457 | unsigned int num_segments; |
6020 | unsigned int num_segments; |
5458 | bfd_boolean phdr_included = FALSE; |
6021 | bfd_boolean phdr_included = FALSE; |
5459 | bfd_boolean p_paddr_valid; |
6022 | bfd_boolean p_paddr_valid; |
5460 | bfd_vma maxpagesize; |
6023 | bfd_vma maxpagesize; |
5461 | struct elf_segment_map *phdr_adjust_seg = NULL; |
6024 | struct elf_segment_map *phdr_adjust_seg = NULL; |
5462 | unsigned int phdr_adjust_num = 0; |
6025 | unsigned int phdr_adjust_num = 0; |
5463 | const struct elf_backend_data *bed; |
6026 | const struct elf_backend_data *bed; |
5464 | 6027 | ||
5465 | bed = get_elf_backend_data (ibfd); |
6028 | bed = get_elf_backend_data (ibfd); |
5466 | iehdr = elf_elfheader (ibfd); |
6029 | iehdr = elf_elfheader (ibfd); |
5467 | 6030 | ||
5468 | map_first = NULL; |
6031 | map_first = NULL; |
5469 | pointer_to_map = &map_first; |
6032 | pointer_to_map = &map_first; |
5470 | 6033 | ||
5471 | num_segments = elf_elfheader (ibfd)->e_phnum; |
6034 | num_segments = elf_elfheader (ibfd)->e_phnum; |
5472 | maxpagesize = get_elf_backend_data (obfd)->maxpagesize; |
6035 | maxpagesize = get_elf_backend_data (obfd)->maxpagesize; |
5473 | 6036 | ||
5474 | /* Returns the end address of the segment + 1. */ |
6037 | /* Returns the end address of the segment + 1. */ |
5475 | #define SEGMENT_END(segment, start) \ |
6038 | #define SEGMENT_END(segment, start) \ |
5476 | (start + (segment->p_memsz > segment->p_filesz \ |
6039 | (start + (segment->p_memsz > segment->p_filesz \ |
5477 | ? segment->p_memsz : segment->p_filesz)) |
6040 | ? segment->p_memsz : segment->p_filesz)) |
5478 | 6041 | ||
5479 | #define SECTION_SIZE(section, segment) \ |
6042 | #define SECTION_SIZE(section, segment) \ |
5480 | (((section->flags & (SEC_HAS_CONTENTS | SEC_THREAD_LOCAL)) \ |
6043 | (((section->flags & (SEC_HAS_CONTENTS | SEC_THREAD_LOCAL)) \ |
5481 | != SEC_THREAD_LOCAL || segment->p_type == PT_TLS) \ |
6044 | != SEC_THREAD_LOCAL || segment->p_type == PT_TLS) \ |
5482 | ? section->size : 0) |
6045 | ? section->size : 0) |
5483 | 6046 | ||
5484 | /* Returns TRUE if the given section is contained within |
6047 | /* Returns TRUE if the given section is contained within |
5485 | the given segment. VMA addresses are compared. */ |
6048 | the given segment. VMA addresses are compared. */ |
5486 | #define IS_CONTAINED_BY_VMA(section, segment) \ |
6049 | #define IS_CONTAINED_BY_VMA(section, segment) \ |
5487 | (section->vma >= segment->p_vaddr \ |
6050 | (section->vma >= segment->p_vaddr \ |
5488 | && (section->vma + SECTION_SIZE (section, segment) \ |
6051 | && (section->vma + SECTION_SIZE (section, segment) \ |
5489 | <= (SEGMENT_END (segment, segment->p_vaddr)))) |
6052 | <= (SEGMENT_END (segment, segment->p_vaddr)))) |
5490 | 6053 | ||
5491 | /* Returns TRUE if the given section is contained within |
6054 | /* Returns TRUE if the given section is contained within |
5492 | the given segment. LMA addresses are compared. */ |
6055 | the given segment. LMA addresses are compared. */ |
5493 | #define IS_CONTAINED_BY_LMA(section, segment, base) \ |
6056 | #define IS_CONTAINED_BY_LMA(section, segment, base) \ |
5494 | (section->lma >= base \ |
6057 | (section->lma >= base \ |
5495 | && (section->lma + SECTION_SIZE (section, segment) \ |
6058 | && (section->lma + SECTION_SIZE (section, segment) \ |
5496 | <= SEGMENT_END (segment, base))) |
6059 | <= SEGMENT_END (segment, base))) |
5497 | 6060 | ||
5498 | /* Handle PT_NOTE segment. */ |
6061 | /* Handle PT_NOTE segment. */ |
5499 | #define IS_NOTE(p, s) \ |
6062 | #define IS_NOTE(p, s) \ |
5500 | (p->p_type == PT_NOTE \ |
6063 | (p->p_type == PT_NOTE \ |
5501 | && elf_section_type (s) == SHT_NOTE \ |
6064 | && elf_section_type (s) == SHT_NOTE \ |
5502 | && (bfd_vma) s->filepos >= p->p_offset \ |
6065 | && (bfd_vma) s->filepos >= p->p_offset \ |
5503 | && ((bfd_vma) s->filepos + s->size \ |
6066 | && ((bfd_vma) s->filepos + s->size \ |
5504 | <= p->p_offset + p->p_filesz)) |
6067 | <= p->p_offset + p->p_filesz)) |
5505 | 6068 | ||
5506 | /* Special case: corefile "NOTE" section containing regs, prpsinfo |
6069 | /* Special case: corefile "NOTE" section containing regs, prpsinfo |
5507 | etc. */ |
6070 | etc. */ |
5508 | #define IS_COREFILE_NOTE(p, s) \ |
6071 | #define IS_COREFILE_NOTE(p, s) \ |
5509 | (IS_NOTE (p, s) \ |
6072 | (IS_NOTE (p, s) \ |
5510 | && bfd_get_format (ibfd) == bfd_core \ |
6073 | && bfd_get_format (ibfd) == bfd_core \ |
5511 | && s->vma == 0 \ |
6074 | && s->vma == 0 \ |
5512 | && s->lma == 0) |
6075 | && s->lma == 0) |
5513 | 6076 | ||
5514 | /* The complicated case when p_vaddr is 0 is to handle the Solaris |
6077 | /* The complicated case when p_vaddr is 0 is to handle the Solaris |
5515 | linker, which generates a PT_INTERP section with p_vaddr and |
6078 | linker, which generates a PT_INTERP section with p_vaddr and |
5516 | p_memsz set to 0. */ |
6079 | p_memsz set to 0. */ |
5517 | #define IS_SOLARIS_PT_INTERP(p, s) \ |
6080 | #define IS_SOLARIS_PT_INTERP(p, s) \ |
5518 | (p->p_vaddr == 0 \ |
6081 | (p->p_vaddr == 0 \ |
5519 | && p->p_paddr == 0 \ |
6082 | && p->p_paddr == 0 \ |
5520 | && p->p_memsz == 0 \ |
6083 | && p->p_memsz == 0 \ |
5521 | && p->p_filesz > 0 \ |
6084 | && p->p_filesz > 0 \ |
5522 | && (s->flags & SEC_HAS_CONTENTS) != 0 \ |
6085 | && (s->flags & SEC_HAS_CONTENTS) != 0 \ |
5523 | && s->size > 0 \ |
6086 | && s->size > 0 \ |
5524 | && (bfd_vma) s->filepos >= p->p_offset \ |
6087 | && (bfd_vma) s->filepos >= p->p_offset \ |
5525 | && ((bfd_vma) s->filepos + s->size \ |
6088 | && ((bfd_vma) s->filepos + s->size \ |
5526 | <= p->p_offset + p->p_filesz)) |
6089 | <= p->p_offset + p->p_filesz)) |
5527 | 6090 | ||
5528 | /* Decide if the given section should be included in the given segment. |
6091 | /* Decide if the given section should be included in the given segment. |
5529 | A section will be included if: |
6092 | A section will be included if: |
5530 | 1. It is within the address space of the segment -- we use the LMA |
6093 | 1. It is within the address space of the segment -- we use the LMA |
5531 | if that is set for the segment and the VMA otherwise, |
6094 | if that is set for the segment and the VMA otherwise, |
5532 | 2. It is an allocated section or a NOTE section in a PT_NOTE |
6095 | 2. It is an allocated section or a NOTE section in a PT_NOTE |
5533 | segment. |
6096 | segment. |
5534 | 3. There is an output section associated with it, |
6097 | 3. There is an output section associated with it, |
5535 | 4. The section has not already been allocated to a previous segment. |
6098 | 4. The section has not already been allocated to a previous segment. |
5536 | 5. PT_GNU_STACK segments do not include any sections. |
6099 | 5. PT_GNU_STACK segments do not include any sections. |
5537 | 6. PT_TLS segment includes only SHF_TLS sections. |
6100 | 6. PT_TLS segment includes only SHF_TLS sections. |
5538 | 7. SHF_TLS sections are only in PT_TLS or PT_LOAD segments. |
6101 | 7. SHF_TLS sections are only in PT_TLS or PT_LOAD segments. |
5539 | 8. PT_DYNAMIC should not contain empty sections at the beginning |
6102 | 8. PT_DYNAMIC should not contain empty sections at the beginning |
5540 | (with the possible exception of .dynamic). */ |
6103 | (with the possible exception of .dynamic). */ |
5541 | #define IS_SECTION_IN_INPUT_SEGMENT(section, segment, bed) \ |
6104 | #define IS_SECTION_IN_INPUT_SEGMENT(section, segment, bed) \ |
5542 | ((((segment->p_paddr \ |
6105 | ((((segment->p_paddr \ |
5543 | ? IS_CONTAINED_BY_LMA (section, segment, segment->p_paddr) \ |
6106 | ? IS_CONTAINED_BY_LMA (section, segment, segment->p_paddr) \ |
5544 | : IS_CONTAINED_BY_VMA (section, segment)) \ |
6107 | : IS_CONTAINED_BY_VMA (section, segment)) \ |
5545 | && (section->flags & SEC_ALLOC) != 0) \ |
6108 | && (section->flags & SEC_ALLOC) != 0) \ |
5546 | || IS_NOTE (segment, section)) \ |
6109 | || IS_NOTE (segment, section)) \ |
5547 | && segment->p_type != PT_GNU_STACK \ |
6110 | && segment->p_type != PT_GNU_STACK \ |
5548 | && (segment->p_type != PT_TLS \ |
6111 | && (segment->p_type != PT_TLS \ |
5549 | || (section->flags & SEC_THREAD_LOCAL)) \ |
6112 | || (section->flags & SEC_THREAD_LOCAL)) \ |
5550 | && (segment->p_type == PT_LOAD \ |
6113 | && (segment->p_type == PT_LOAD \ |
5551 | || segment->p_type == PT_TLS \ |
6114 | || segment->p_type == PT_TLS \ |
5552 | || (section->flags & SEC_THREAD_LOCAL) == 0) \ |
6115 | || (section->flags & SEC_THREAD_LOCAL) == 0) \ |
5553 | && (segment->p_type != PT_DYNAMIC \ |
6116 | && (segment->p_type != PT_DYNAMIC \ |
5554 | || SECTION_SIZE (section, segment) > 0 \ |
6117 | || SECTION_SIZE (section, segment) > 0 \ |
5555 | || (segment->p_paddr \ |
6118 | || (segment->p_paddr \ |
5556 | ? segment->p_paddr != section->lma \ |
6119 | ? segment->p_paddr != section->lma \ |
5557 | : segment->p_vaddr != section->vma) \ |
6120 | : segment->p_vaddr != section->vma) \ |
5558 | || (strcmp (bfd_get_section_name (ibfd, section), ".dynamic") \ |
6121 | || (strcmp (bfd_get_section_name (ibfd, section), ".dynamic") \ |
5559 | == 0)) \ |
6122 | == 0)) \ |
5560 | && !section->segment_mark) |
6123 | && !section->segment_mark) |
5561 | 6124 | ||
5562 | /* If the output section of a section in the input segment is NULL, |
6125 | /* If the output section of a section in the input segment is NULL, |
5563 | it is removed from the corresponding output segment. */ |
6126 | it is removed from the corresponding output segment. */ |
5564 | #define INCLUDE_SECTION_IN_SEGMENT(section, segment, bed) \ |
6127 | #define INCLUDE_SECTION_IN_SEGMENT(section, segment, bed) \ |
5565 | (IS_SECTION_IN_INPUT_SEGMENT (section, segment, bed) \ |
6128 | (IS_SECTION_IN_INPUT_SEGMENT (section, segment, bed) \ |
5566 | && section->output_section != NULL) |
6129 | && section->output_section != NULL) |
5567 | 6130 | ||
5568 | /* Returns TRUE iff seg1 starts after the end of seg2. */ |
6131 | /* Returns TRUE iff seg1 starts after the end of seg2. */ |
5569 | #define SEGMENT_AFTER_SEGMENT(seg1, seg2, field) \ |
6132 | #define SEGMENT_AFTER_SEGMENT(seg1, seg2, field) \ |
5570 | (seg1->field >= SEGMENT_END (seg2, seg2->field)) |
6133 | (seg1->field >= SEGMENT_END (seg2, seg2->field)) |
5571 | 6134 | ||
5572 | /* Returns TRUE iff seg1 and seg2 overlap. Segments overlap iff both |
6135 | /* Returns TRUE iff seg1 and seg2 overlap. Segments overlap iff both |
5573 | their VMA address ranges and their LMA address ranges overlap. |
6136 | their VMA address ranges and their LMA address ranges overlap. |
5574 | It is possible to have overlapping VMA ranges without overlapping LMA |
6137 | It is possible to have overlapping VMA ranges without overlapping LMA |
5575 | ranges. RedBoot images for example can have both .data and .bss mapped |
6138 | ranges. RedBoot images for example can have both .data and .bss mapped |
5576 | to the same VMA range, but with the .data section mapped to a different |
6139 | to the same VMA range, but with the .data section mapped to a different |
5577 | LMA. */ |
6140 | LMA. */ |
5578 | #define SEGMENT_OVERLAPS(seg1, seg2) \ |
6141 | #define SEGMENT_OVERLAPS(seg1, seg2) \ |
5579 | ( !(SEGMENT_AFTER_SEGMENT (seg1, seg2, p_vaddr) \ |
6142 | ( !(SEGMENT_AFTER_SEGMENT (seg1, seg2, p_vaddr) \ |
5580 | || SEGMENT_AFTER_SEGMENT (seg2, seg1, p_vaddr)) \ |
6143 | || SEGMENT_AFTER_SEGMENT (seg2, seg1, p_vaddr)) \ |
5581 | && !(SEGMENT_AFTER_SEGMENT (seg1, seg2, p_paddr) \ |
6144 | && !(SEGMENT_AFTER_SEGMENT (seg1, seg2, p_paddr) \ |
5582 | || SEGMENT_AFTER_SEGMENT (seg2, seg1, p_paddr))) |
6145 | || SEGMENT_AFTER_SEGMENT (seg2, seg1, p_paddr))) |
5583 | 6146 | ||
5584 | /* Initialise the segment mark field. */ |
6147 | /* Initialise the segment mark field. */ |
5585 | for (section = ibfd->sections; section != NULL; section = section->next) |
6148 | for (section = ibfd->sections; section != NULL; section = section->next) |
5586 | section->segment_mark = FALSE; |
6149 | section->segment_mark = FALSE; |
5587 | 6150 | ||
5588 | /* The Solaris linker creates program headers in which all the |
6151 | /* The Solaris linker creates program headers in which all the |
5589 | p_paddr fields are zero. When we try to objcopy or strip such a |
6152 | p_paddr fields are zero. When we try to objcopy or strip such a |
5590 | file, we get confused. Check for this case, and if we find it |
6153 | file, we get confused. Check for this case, and if we find it |
5591 | don't set the p_paddr_valid fields. */ |
6154 | don't set the p_paddr_valid fields. */ |
5592 | p_paddr_valid = FALSE; |
6155 | p_paddr_valid = FALSE; |
5593 | for (i = 0, segment = elf_tdata (ibfd)->phdr; |
6156 | for (i = 0, segment = elf_tdata (ibfd)->phdr; |
5594 | i < num_segments; |
6157 | i < num_segments; |
5595 | i++, segment++) |
6158 | i++, segment++) |
5596 | if (segment->p_paddr != 0) |
6159 | if (segment->p_paddr != 0) |
5597 | { |
6160 | { |
5598 | p_paddr_valid = TRUE; |
6161 | p_paddr_valid = TRUE; |
5599 | break; |
6162 | break; |
5600 | } |
6163 | } |
5601 | 6164 | ||
5602 | /* Scan through the segments specified in the program header |
6165 | /* Scan through the segments specified in the program header |
5603 | of the input BFD. For this first scan we look for overlaps |
6166 | of the input BFD. For this first scan we look for overlaps |
5604 | in the loadable segments. These can be created by weird |
6167 | in the loadable segments. These can be created by weird |
5605 | parameters to objcopy. Also, fix some solaris weirdness. */ |
6168 | parameters to objcopy. Also, fix some solaris weirdness. */ |
5606 | for (i = 0, segment = elf_tdata (ibfd)->phdr; |
6169 | for (i = 0, segment = elf_tdata (ibfd)->phdr; |
5607 | i < num_segments; |
6170 | i < num_segments; |
5608 | i++, segment++) |
6171 | i++, segment++) |
5609 | { |
6172 | { |
5610 | unsigned int j; |
6173 | unsigned int j; |
5611 | Elf_Internal_Phdr *segment2; |
6174 | Elf_Internal_Phdr *segment2; |
5612 | 6175 | ||
5613 | if (segment->p_type == PT_INTERP) |
6176 | if (segment->p_type == PT_INTERP) |
5614 | for (section = ibfd->sections; section; section = section->next) |
6177 | for (section = ibfd->sections; section; section = section->next) |
5615 | if (IS_SOLARIS_PT_INTERP (segment, section)) |
6178 | if (IS_SOLARIS_PT_INTERP (segment, section)) |
5616 | { |
6179 | { |
5617 | /* Mininal change so that the normal section to segment |
6180 | /* Mininal change so that the normal section to segment |
5618 | assignment code will work. */ |
6181 | assignment code will work. */ |
5619 | segment->p_vaddr = section->vma; |
6182 | segment->p_vaddr = section->vma; |
5620 | break; |
6183 | break; |
5621 | } |
6184 | } |
5622 | 6185 | ||
5623 | if (segment->p_type != PT_LOAD) |
6186 | if (segment->p_type != PT_LOAD) |
5624 | { |
6187 | { |
5625 | /* Remove PT_GNU_RELRO segment. */ |
6188 | /* Remove PT_GNU_RELRO segment. */ |
5626 | if (segment->p_type == PT_GNU_RELRO) |
6189 | if (segment->p_type == PT_GNU_RELRO) |
5627 | segment->p_type = PT_NULL; |
6190 | segment->p_type = PT_NULL; |
5628 | continue; |
6191 | continue; |
5629 | } |
6192 | } |
5630 | 6193 | ||
5631 | /* Determine if this segment overlaps any previous segments. */ |
6194 | /* Determine if this segment overlaps any previous segments. */ |
5632 | for (j = 0, segment2 = elf_tdata (ibfd)->phdr; j < i; j++, segment2++) |
6195 | for (j = 0, segment2 = elf_tdata (ibfd)->phdr; j < i; j++, segment2++) |
5633 | { |
6196 | { |
5634 | bfd_signed_vma extra_length; |
6197 | bfd_signed_vma extra_length; |
5635 | 6198 | ||
5636 | if (segment2->p_type != PT_LOAD |
6199 | if (segment2->p_type != PT_LOAD |
5637 | || !SEGMENT_OVERLAPS (segment, segment2)) |
6200 | || !SEGMENT_OVERLAPS (segment, segment2)) |
5638 | continue; |
6201 | continue; |
5639 | 6202 | ||
5640 | /* Merge the two segments together. */ |
6203 | /* Merge the two segments together. */ |
5641 | if (segment2->p_vaddr < segment->p_vaddr) |
6204 | if (segment2->p_vaddr < segment->p_vaddr) |
5642 | { |
6205 | { |
5643 | /* Extend SEGMENT2 to include SEGMENT and then delete |
6206 | /* Extend SEGMENT2 to include SEGMENT and then delete |
5644 | SEGMENT. */ |
6207 | SEGMENT. */ |
5645 | extra_length = (SEGMENT_END (segment, segment->p_vaddr) |
6208 | extra_length = (SEGMENT_END (segment, segment->p_vaddr) |
5646 | - SEGMENT_END (segment2, segment2->p_vaddr)); |
6209 | - SEGMENT_END (segment2, segment2->p_vaddr)); |
5647 | 6210 | ||
5648 | if (extra_length > 0) |
6211 | if (extra_length > 0) |
5649 | { |
6212 | { |
5650 | segment2->p_memsz += extra_length; |
6213 | segment2->p_memsz += extra_length; |
5651 | segment2->p_filesz += extra_length; |
6214 | segment2->p_filesz += extra_length; |
5652 | } |
6215 | } |
5653 | 6216 | ||
5654 | segment->p_type = PT_NULL; |
6217 | segment->p_type = PT_NULL; |
5655 | 6218 | ||
5656 | /* Since we have deleted P we must restart the outer loop. */ |
6219 | /* Since we have deleted P we must restart the outer loop. */ |
5657 | i = 0; |
6220 | i = 0; |
5658 | segment = elf_tdata (ibfd)->phdr; |
6221 | segment = elf_tdata (ibfd)->phdr; |
5659 | break; |
6222 | break; |
5660 | } |
6223 | } |
5661 | else |
6224 | else |
5662 | { |
6225 | { |
5663 | /* Extend SEGMENT to include SEGMENT2 and then delete |
6226 | /* Extend SEGMENT to include SEGMENT2 and then delete |
5664 | SEGMENT2. */ |
6227 | SEGMENT2. */ |
5665 | extra_length = (SEGMENT_END (segment2, segment2->p_vaddr) |
6228 | extra_length = (SEGMENT_END (segment2, segment2->p_vaddr) |
5666 | - SEGMENT_END (segment, segment->p_vaddr)); |
6229 | - SEGMENT_END (segment, segment->p_vaddr)); |
5667 | 6230 | ||
5668 | if (extra_length > 0) |
6231 | if (extra_length > 0) |
5669 | { |
6232 | { |
5670 | segment->p_memsz += extra_length; |
6233 | segment->p_memsz += extra_length; |
5671 | segment->p_filesz += extra_length; |
6234 | segment->p_filesz += extra_length; |
5672 | } |
6235 | } |
5673 | 6236 | ||
5674 | segment2->p_type = PT_NULL; |
6237 | segment2->p_type = PT_NULL; |
5675 | } |
6238 | } |
5676 | } |
6239 | } |
5677 | } |
6240 | } |
5678 | 6241 | ||
5679 | /* The second scan attempts to assign sections to segments. */ |
6242 | /* The second scan attempts to assign sections to segments. */ |
5680 | for (i = 0, segment = elf_tdata (ibfd)->phdr; |
6243 | for (i = 0, segment = elf_tdata (ibfd)->phdr; |
5681 | i < num_segments; |
6244 | i < num_segments; |
5682 | i++, segment++) |
6245 | i++, segment++) |
5683 | { |
6246 | { |
5684 | unsigned int section_count; |
6247 | unsigned int section_count; |
5685 | asection **sections; |
6248 | asection **sections; |
5686 | asection *output_section; |
6249 | asection *output_section; |
5687 | unsigned int isec; |
6250 | unsigned int isec; |
5688 | bfd_vma matching_lma; |
6251 | bfd_vma matching_lma; |
5689 | bfd_vma suggested_lma; |
6252 | bfd_vma suggested_lma; |
5690 | unsigned int j; |
6253 | unsigned int j; |
5691 | bfd_size_type amt; |
6254 | bfd_size_type amt; |
5692 | asection *first_section; |
6255 | asection *first_section; |
5693 | bfd_boolean first_matching_lma; |
6256 | bfd_boolean first_matching_lma; |
5694 | bfd_boolean first_suggested_lma; |
6257 | bfd_boolean first_suggested_lma; |
5695 | 6258 | ||
5696 | if (segment->p_type == PT_NULL) |
6259 | if (segment->p_type == PT_NULL) |
5697 | continue; |
6260 | continue; |
5698 | 6261 | ||
5699 | first_section = NULL; |
6262 | first_section = NULL; |
5700 | /* Compute how many sections might be placed into this segment. */ |
6263 | /* Compute how many sections might be placed into this segment. */ |
5701 | for (section = ibfd->sections, section_count = 0; |
6264 | for (section = ibfd->sections, section_count = 0; |
5702 | section != NULL; |
6265 | section != NULL; |
5703 | section = section->next) |
6266 | section = section->next) |
5704 | { |
6267 | { |
5705 | /* Find the first section in the input segment, which may be |
6268 | /* Find the first section in the input segment, which may be |
5706 | removed from the corresponding output segment. */ |
6269 | removed from the corresponding output segment. */ |
5707 | if (IS_SECTION_IN_INPUT_SEGMENT (section, segment, bed)) |
6270 | if (IS_SECTION_IN_INPUT_SEGMENT (section, segment, bed)) |
5708 | { |
6271 | { |
5709 | if (first_section == NULL) |
6272 | if (first_section == NULL) |
5710 | first_section = section; |
6273 | first_section = section; |
5711 | if (section->output_section != NULL) |
6274 | if (section->output_section != NULL) |
5712 | ++section_count; |
6275 | ++section_count; |
5713 | } |
6276 | } |
5714 | } |
6277 | } |
5715 | 6278 | ||
5716 | /* Allocate a segment map big enough to contain |
6279 | /* Allocate a segment map big enough to contain |
5717 | all of the sections we have selected. */ |
6280 | all of the sections we have selected. */ |
5718 | amt = sizeof (struct elf_segment_map); |
6281 | amt = sizeof (struct elf_segment_map); |
5719 | amt += ((bfd_size_type) section_count - 1) * sizeof (asection *); |
6282 | amt += ((bfd_size_type) section_count - 1) * sizeof (asection *); |
5720 | map = (struct elf_segment_map *) bfd_zalloc (obfd, amt); |
6283 | map = (struct elf_segment_map *) bfd_zalloc (obfd, amt); |
5721 | if (map == NULL) |
6284 | if (map == NULL) |
5722 | return FALSE; |
6285 | return FALSE; |
5723 | 6286 | ||
5724 | /* Initialise the fields of the segment map. Default to |
6287 | /* Initialise the fields of the segment map. Default to |
5725 | using the physical address of the segment in the input BFD. */ |
6288 | using the physical address of the segment in the input BFD. */ |
5726 | map->next = NULL; |
6289 | map->next = NULL; |
5727 | map->p_type = segment->p_type; |
6290 | map->p_type = segment->p_type; |
5728 | map->p_flags = segment->p_flags; |
6291 | map->p_flags = segment->p_flags; |
5729 | map->p_flags_valid = 1; |
6292 | map->p_flags_valid = 1; |
5730 | 6293 | ||
5731 | /* If the first section in the input segment is removed, there is |
6294 | /* If the first section in the input segment is removed, there is |
5732 | no need to preserve segment physical address in the corresponding |
6295 | no need to preserve segment physical address in the corresponding |
5733 | output segment. */ |
6296 | output segment. */ |
5734 | if (!first_section || first_section->output_section != NULL) |
6297 | if (!first_section || first_section->output_section != NULL) |
5735 | { |
6298 | { |
5736 | map->p_paddr = segment->p_paddr; |
6299 | map->p_paddr = segment->p_paddr; |
5737 | map->p_paddr_valid = p_paddr_valid; |
6300 | map->p_paddr_valid = p_paddr_valid; |
5738 | } |
6301 | } |
5739 | 6302 | ||
5740 | /* Determine if this segment contains the ELF file header |
6303 | /* Determine if this segment contains the ELF file header |
5741 | and if it contains the program headers themselves. */ |
6304 | and if it contains the program headers themselves. */ |
5742 | map->includes_filehdr = (segment->p_offset == 0 |
6305 | map->includes_filehdr = (segment->p_offset == 0 |
5743 | && segment->p_filesz >= iehdr->e_ehsize); |
6306 | && segment->p_filesz >= iehdr->e_ehsize); |
5744 | map->includes_phdrs = 0; |
6307 | map->includes_phdrs = 0; |
5745 | 6308 | ||
5746 | if (!phdr_included || segment->p_type != PT_LOAD) |
6309 | if (!phdr_included || segment->p_type != PT_LOAD) |
5747 | { |
6310 | { |
5748 | map->includes_phdrs = |
6311 | map->includes_phdrs = |
5749 | (segment->p_offset <= (bfd_vma) iehdr->e_phoff |
6312 | (segment->p_offset <= (bfd_vma) iehdr->e_phoff |
5750 | && (segment->p_offset + segment->p_filesz |
6313 | && (segment->p_offset + segment->p_filesz |
5751 | >= ((bfd_vma) iehdr->e_phoff |
6314 | >= ((bfd_vma) iehdr->e_phoff |
5752 | + iehdr->e_phnum * iehdr->e_phentsize))); |
6315 | + iehdr->e_phnum * iehdr->e_phentsize))); |
5753 | 6316 | ||
5754 | if (segment->p_type == PT_LOAD && map->includes_phdrs) |
6317 | if (segment->p_type == PT_LOAD && map->includes_phdrs) |
5755 | phdr_included = TRUE; |
6318 | phdr_included = TRUE; |
5756 | } |
6319 | } |
5757 | 6320 | ||
5758 | if (section_count == 0) |
6321 | if (section_count == 0) |
5759 | { |
6322 | { |
5760 | /* Special segments, such as the PT_PHDR segment, may contain |
6323 | /* Special segments, such as the PT_PHDR segment, may contain |
5761 | no sections, but ordinary, loadable segments should contain |
6324 | no sections, but ordinary, loadable segments should contain |
5762 | something. They are allowed by the ELF spec however, so only |
6325 | something. They are allowed by the ELF spec however, so only |
5763 | a warning is produced. */ |
6326 | a warning is produced. */ |
5764 | if (segment->p_type == PT_LOAD) |
6327 | if (segment->p_type == PT_LOAD) |
5765 | (*_bfd_error_handler) (_("%B: warning: Empty loadable segment" |
6328 | (*_bfd_error_handler) (_("\ |
5766 | " detected, is this intentional ?\n"), |
6329 | %B: warning: Empty loadable segment detected, is this intentional ?"), |
5767 | ibfd); |
6330 | ibfd); |
5768 | 6331 | ||
5769 | map->count = 0; |
6332 | map->count = 0; |
5770 | *pointer_to_map = map; |
6333 | *pointer_to_map = map; |
5771 | pointer_to_map = &map->next; |
6334 | pointer_to_map = &map->next; |
5772 | 6335 | ||
5773 | continue; |
6336 | continue; |
5774 | } |
6337 | } |
5775 | 6338 | ||
5776 | /* Now scan the sections in the input BFD again and attempt |
6339 | /* Now scan the sections in the input BFD again and attempt |
5777 | to add their corresponding output sections to the segment map. |
6340 | to add their corresponding output sections to the segment map. |
5778 | The problem here is how to handle an output section which has |
6341 | The problem here is how to handle an output section which has |
5779 | been moved (ie had its LMA changed). There are four possibilities: |
6342 | been moved (ie had its LMA changed). There are four possibilities: |
5780 | 6343 | ||
5781 | 1. None of the sections have been moved. |
6344 | 1. None of the sections have been moved. |
5782 | In this case we can continue to use the segment LMA from the |
6345 | In this case we can continue to use the segment LMA from the |
5783 | input BFD. |
6346 | input BFD. |
5784 | 6347 | ||
5785 | 2. All of the sections have been moved by the same amount. |
6348 | 2. All of the sections have been moved by the same amount. |
5786 | In this case we can change the segment's LMA to match the LMA |
6349 | In this case we can change the segment's LMA to match the LMA |
5787 | of the first section. |
6350 | of the first section. |
5788 | 6351 | ||
5789 | 3. Some of the sections have been moved, others have not. |
6352 | 3. Some of the sections have been moved, others have not. |
5790 | In this case those sections which have not been moved can be |
6353 | In this case those sections which have not been moved can be |
5791 | placed in the current segment which will have to have its size, |
6354 | placed in the current segment which will have to have its size, |
5792 | and possibly its LMA changed, and a new segment or segments will |
6355 | and possibly its LMA changed, and a new segment or segments will |
5793 | have to be created to contain the other sections. |
6356 | have to be created to contain the other sections. |
5794 | 6357 | ||
5795 | 4. The sections have been moved, but not by the same amount. |
6358 | 4. The sections have been moved, but not by the same amount. |
5796 | In this case we can change the segment's LMA to match the LMA |
6359 | In this case we can change the segment's LMA to match the LMA |
5797 | of the first section and we will have to create a new segment |
6360 | of the first section and we will have to create a new segment |
5798 | or segments to contain the other sections. |
6361 | or segments to contain the other sections. |
5799 | 6362 | ||
5800 | In order to save time, we allocate an array to hold the section |
6363 | In order to save time, we allocate an array to hold the section |
5801 | pointers that we are interested in. As these sections get assigned |
6364 | pointers that we are interested in. As these sections get assigned |
5802 | to a segment, they are removed from this array. */ |
6365 | to a segment, they are removed from this array. */ |
5803 | 6366 | ||
5804 | sections = (asection **) bfd_malloc2 (section_count, sizeof (asection *)); |
6367 | sections = (asection **) bfd_malloc2 (section_count, sizeof (asection *)); |
5805 | if (sections == NULL) |
6368 | if (sections == NULL) |
5806 | return FALSE; |
6369 | return FALSE; |
5807 | 6370 | ||
5808 | /* Step One: Scan for segment vs section LMA conflicts. |
6371 | /* Step One: Scan for segment vs section LMA conflicts. |
5809 | Also add the sections to the section array allocated above. |
6372 | Also add the sections to the section array allocated above. |
5810 | Also add the sections to the current segment. In the common |
6373 | Also add the sections to the current segment. In the common |
5811 | case, where the sections have not been moved, this means that |
6374 | case, where the sections have not been moved, this means that |
5812 | we have completely filled the segment, and there is nothing |
6375 | we have completely filled the segment, and there is nothing |
5813 | more to do. */ |
6376 | more to do. */ |
5814 | isec = 0; |
6377 | isec = 0; |
5815 | matching_lma = 0; |
6378 | matching_lma = 0; |
5816 | suggested_lma = 0; |
6379 | suggested_lma = 0; |
5817 | first_matching_lma = TRUE; |
6380 | first_matching_lma = TRUE; |
5818 | first_suggested_lma = TRUE; |
6381 | first_suggested_lma = TRUE; |
5819 | 6382 | ||
5820 | for (section = ibfd->sections; |
6383 | for (section = ibfd->sections; |
5821 | section != NULL; |
6384 | section != NULL; |
5822 | section = section->next) |
6385 | section = section->next) |
5823 | if (section == first_section) |
6386 | if (section == first_section) |
5824 | break; |
6387 | break; |
5825 | 6388 | ||
5826 | for (j = 0; section != NULL; section = section->next) |
6389 | for (j = 0; section != NULL; section = section->next) |
5827 | { |
6390 | { |
5828 | if (INCLUDE_SECTION_IN_SEGMENT (section, segment, bed)) |
6391 | if (INCLUDE_SECTION_IN_SEGMENT (section, segment, bed)) |
5829 | { |
6392 | { |
5830 | output_section = section->output_section; |
6393 | output_section = section->output_section; |
5831 | 6394 | ||
5832 | sections[j++] = section; |
6395 | sections[j++] = section; |
5833 | 6396 | ||
5834 | /* The Solaris native linker always sets p_paddr to 0. |
6397 | /* The Solaris native linker always sets p_paddr to 0. |
5835 | We try to catch that case here, and set it to the |
6398 | We try to catch that case here, and set it to the |
5836 | correct value. Note - some backends require that |
6399 | correct value. Note - some backends require that |
5837 | p_paddr be left as zero. */ |
6400 | p_paddr be left as zero. */ |
5838 | if (!p_paddr_valid |
6401 | if (!p_paddr_valid |
5839 | && segment->p_vaddr != 0 |
6402 | && segment->p_vaddr != 0 |
5840 | && !bed->want_p_paddr_set_to_zero |
6403 | && !bed->want_p_paddr_set_to_zero |
5841 | && isec == 0 |
6404 | && isec == 0 |
5842 | && output_section->lma != 0 |
6405 | && output_section->lma != 0 |
5843 | && output_section->vma == (segment->p_vaddr |
6406 | && output_section->vma == (segment->p_vaddr |
5844 | + (map->includes_filehdr |
6407 | + (map->includes_filehdr |
5845 | ? iehdr->e_ehsize |
6408 | ? iehdr->e_ehsize |
5846 | : 0) |
6409 | : 0) |
5847 | + (map->includes_phdrs |
6410 | + (map->includes_phdrs |
5848 | ? (iehdr->e_phnum |
6411 | ? (iehdr->e_phnum |
5849 | * iehdr->e_phentsize) |
6412 | * iehdr->e_phentsize) |
5850 | : 0))) |
6413 | : 0))) |
5851 | map->p_paddr = segment->p_vaddr; |
6414 | map->p_paddr = segment->p_vaddr; |
5852 | 6415 | ||
5853 | /* Match up the physical address of the segment with the |
6416 | /* Match up the physical address of the segment with the |
5854 | LMA address of the output section. */ |
6417 | LMA address of the output section. */ |
5855 | if (IS_CONTAINED_BY_LMA (output_section, segment, map->p_paddr) |
6418 | if (IS_CONTAINED_BY_LMA (output_section, segment, map->p_paddr) |
5856 | || IS_COREFILE_NOTE (segment, section) |
6419 | || IS_COREFILE_NOTE (segment, section) |
5857 | || (bed->want_p_paddr_set_to_zero |
6420 | || (bed->want_p_paddr_set_to_zero |
5858 | && IS_CONTAINED_BY_VMA (output_section, segment))) |
6421 | && IS_CONTAINED_BY_VMA (output_section, segment))) |
5859 | { |
6422 | { |
5860 | if (first_matching_lma || output_section->lma < matching_lma) |
6423 | if (first_matching_lma || output_section->lma < matching_lma) |
5861 | { |
6424 | { |
5862 | matching_lma = output_section->lma; |
6425 | matching_lma = output_section->lma; |
5863 | first_matching_lma = FALSE; |
6426 | first_matching_lma = FALSE; |
5864 | } |
6427 | } |
5865 | 6428 | ||
5866 | /* We assume that if the section fits within the segment |
6429 | /* We assume that if the section fits within the segment |
5867 | then it does not overlap any other section within that |
6430 | then it does not overlap any other section within that |
5868 | segment. */ |
6431 | segment. */ |
5869 | map->sections[isec++] = output_section; |
6432 | map->sections[isec++] = output_section; |
5870 | } |
6433 | } |
5871 | else if (first_suggested_lma) |
6434 | else if (first_suggested_lma) |
5872 | { |
6435 | { |
5873 | suggested_lma = output_section->lma; |
6436 | suggested_lma = output_section->lma; |
5874 | first_suggested_lma = FALSE; |
6437 | first_suggested_lma = FALSE; |
5875 | } |
6438 | } |
5876 | 6439 | ||
5877 | if (j == section_count) |
6440 | if (j == section_count) |
5878 | break; |
6441 | break; |
5879 | } |
6442 | } |
5880 | } |
6443 | } |
5881 | 6444 | ||
5882 | BFD_ASSERT (j == section_count); |
6445 | BFD_ASSERT (j == section_count); |
5883 | 6446 | ||
5884 | /* Step Two: Adjust the physical address of the current segment, |
6447 | /* Step Two: Adjust the physical address of the current segment, |
5885 | if necessary. */ |
6448 | if necessary. */ |
5886 | if (isec == section_count) |
6449 | if (isec == section_count) |
5887 | { |
6450 | { |
5888 | /* All of the sections fitted within the segment as currently |
6451 | /* All of the sections fitted within the segment as currently |
5889 | specified. This is the default case. Add the segment to |
6452 | specified. This is the default case. Add the segment to |
5890 | the list of built segments and carry on to process the next |
6453 | the list of built segments and carry on to process the next |
5891 | program header in the input BFD. */ |
6454 | program header in the input BFD. */ |
5892 | map->count = section_count; |
6455 | map->count = section_count; |
5893 | *pointer_to_map = map; |
6456 | *pointer_to_map = map; |
5894 | pointer_to_map = &map->next; |
6457 | pointer_to_map = &map->next; |
5895 | 6458 | ||
5896 | if (p_paddr_valid |
6459 | if (p_paddr_valid |
5897 | && !bed->want_p_paddr_set_to_zero |
6460 | && !bed->want_p_paddr_set_to_zero |
5898 | && matching_lma != map->p_paddr |
6461 | && matching_lma != map->p_paddr |
5899 | && !map->includes_filehdr |
6462 | && !map->includes_filehdr |
5900 | && !map->includes_phdrs) |
6463 | && !map->includes_phdrs) |
5901 | /* There is some padding before the first section in the |
6464 | /* There is some padding before the first section in the |
5902 | segment. So, we must account for that in the output |
6465 | segment. So, we must account for that in the output |
5903 | segment's vma. */ |
6466 | segment's vma. */ |
5904 | map->p_vaddr_offset = matching_lma - map->p_paddr; |
6467 | map->p_vaddr_offset = matching_lma - map->p_paddr; |
5905 | 6468 | ||
5906 | free (sections); |
6469 | free (sections); |
5907 | continue; |
6470 | continue; |
5908 | } |
6471 | } |
5909 | else |
6472 | else |
5910 | { |
6473 | { |
5911 | if (!first_matching_lma) |
6474 | if (!first_matching_lma) |
5912 | { |
6475 | { |
5913 | /* At least one section fits inside the current segment. |
6476 | /* At least one section fits inside the current segment. |
5914 | Keep it, but modify its physical address to match the |
6477 | Keep it, but modify its physical address to match the |
5915 | LMA of the first section that fitted. */ |
6478 | LMA of the first section that fitted. */ |
5916 | map->p_paddr = matching_lma; |
6479 | map->p_paddr = matching_lma; |
5917 | } |
6480 | } |
5918 | else |
6481 | else |
5919 | { |
6482 | { |
5920 | /* None of the sections fitted inside the current segment. |
6483 | /* None of the sections fitted inside the current segment. |
5921 | Change the current segment's physical address to match |
6484 | Change the current segment's physical address to match |
5922 | the LMA of the first section. */ |
6485 | the LMA of the first section. */ |
5923 | map->p_paddr = suggested_lma; |
6486 | map->p_paddr = suggested_lma; |
5924 | } |
6487 | } |
5925 | 6488 | ||
5926 | /* Offset the segment physical address from the lma |
6489 | /* Offset the segment physical address from the lma |
5927 | to allow for space taken up by elf headers. */ |
6490 | to allow for space taken up by elf headers. */ |
5928 | if (map->includes_filehdr) |
6491 | if (map->includes_filehdr) |
5929 | { |
6492 | { |
5930 | if (map->p_paddr >= iehdr->e_ehsize) |
6493 | if (map->p_paddr >= iehdr->e_ehsize) |
5931 | map->p_paddr -= iehdr->e_ehsize; |
6494 | map->p_paddr -= iehdr->e_ehsize; |
5932 | else |
6495 | else |
5933 | { |
6496 | { |
5934 | map->includes_filehdr = FALSE; |
6497 | map->includes_filehdr = FALSE; |
5935 | map->includes_phdrs = FALSE; |
6498 | map->includes_phdrs = FALSE; |
5936 | } |
6499 | } |
5937 | } |
6500 | } |
5938 | 6501 | ||
5939 | if (map->includes_phdrs) |
6502 | if (map->includes_phdrs) |
5940 | { |
6503 | { |
5941 | if (map->p_paddr >= iehdr->e_phnum * iehdr->e_phentsize) |
6504 | if (map->p_paddr >= iehdr->e_phnum * iehdr->e_phentsize) |
5942 | { |
6505 | { |
5943 | map->p_paddr -= iehdr->e_phnum * iehdr->e_phentsize; |
6506 | map->p_paddr -= iehdr->e_phnum * iehdr->e_phentsize; |
5944 | 6507 | ||
5945 | /* iehdr->e_phnum is just an estimate of the number |
6508 | /* iehdr->e_phnum is just an estimate of the number |
5946 | of program headers that we will need. Make a note |
6509 | of program headers that we will need. Make a note |
5947 | here of the number we used and the segment we chose |
6510 | here of the number we used and the segment we chose |
5948 | to hold these headers, so that we can adjust the |
6511 | to hold these headers, so that we can adjust the |
5949 | offset when we know the correct value. */ |
6512 | offset when we know the correct value. */ |
5950 | phdr_adjust_num = iehdr->e_phnum; |
6513 | phdr_adjust_num = iehdr->e_phnum; |
5951 | phdr_adjust_seg = map; |
6514 | phdr_adjust_seg = map; |
5952 | } |
6515 | } |
5953 | else |
6516 | else |
5954 | map->includes_phdrs = FALSE; |
6517 | map->includes_phdrs = FALSE; |
5955 | } |
6518 | } |
5956 | } |
6519 | } |
5957 | 6520 | ||
5958 | /* Step Three: Loop over the sections again, this time assigning |
6521 | /* Step Three: Loop over the sections again, this time assigning |
5959 | those that fit to the current segment and removing them from the |
6522 | those that fit to the current segment and removing them from the |
5960 | sections array; but making sure not to leave large gaps. Once all |
6523 | sections array; but making sure not to leave large gaps. Once all |
5961 | possible sections have been assigned to the current segment it is |
6524 | possible sections have been assigned to the current segment it is |
5962 | added to the list of built segments and if sections still remain |
6525 | added to the list of built segments and if sections still remain |
5963 | to be assigned, a new segment is constructed before repeating |
6526 | to be assigned, a new segment is constructed before repeating |
5964 | the loop. */ |
6527 | the loop. */ |
5965 | isec = 0; |
6528 | isec = 0; |
5966 | do |
6529 | do |
5967 | { |
6530 | { |
5968 | map->count = 0; |
6531 | map->count = 0; |
5969 | suggested_lma = 0; |
6532 | suggested_lma = 0; |
5970 | first_suggested_lma = TRUE; |
6533 | first_suggested_lma = TRUE; |
5971 | 6534 | ||
5972 | /* Fill the current segment with sections that fit. */ |
6535 | /* Fill the current segment with sections that fit. */ |
5973 | for (j = 0; j < section_count; j++) |
6536 | for (j = 0; j < section_count; j++) |
5974 | { |
6537 | { |
5975 | section = sections[j]; |
6538 | section = sections[j]; |
5976 | 6539 | ||
5977 | if (section == NULL) |
6540 | if (section == NULL) |
5978 | continue; |
6541 | continue; |
5979 | 6542 | ||
5980 | output_section = section->output_section; |
6543 | output_section = section->output_section; |
5981 | 6544 | ||
5982 | BFD_ASSERT (output_section != NULL); |
6545 | BFD_ASSERT (output_section != NULL); |
5983 | 6546 | ||
5984 | if (IS_CONTAINED_BY_LMA (output_section, segment, map->p_paddr) |
6547 | if (IS_CONTAINED_BY_LMA (output_section, segment, map->p_paddr) |
5985 | || IS_COREFILE_NOTE (segment, section)) |
6548 | || IS_COREFILE_NOTE (segment, section)) |
5986 | { |
6549 | { |
5987 | if (map->count == 0) |
6550 | if (map->count == 0) |
5988 | { |
6551 | { |
5989 | /* If the first section in a segment does not start at |
6552 | /* If the first section in a segment does not start at |
5990 | the beginning of the segment, then something is |
6553 | the beginning of the segment, then something is |
5991 | wrong. */ |
6554 | wrong. */ |
5992 | if (output_section->lma |
6555 | if (output_section->lma |
5993 | != (map->p_paddr |
6556 | != (map->p_paddr |
5994 | + (map->includes_filehdr ? iehdr->e_ehsize : 0) |
6557 | + (map->includes_filehdr ? iehdr->e_ehsize : 0) |
5995 | + (map->includes_phdrs |
6558 | + (map->includes_phdrs |
5996 | ? iehdr->e_phnum * iehdr->e_phentsize |
6559 | ? iehdr->e_phnum * iehdr->e_phentsize |
5997 | : 0))) |
6560 | : 0))) |
5998 | abort (); |
6561 | abort (); |
5999 | } |
6562 | } |
6000 | else |
6563 | else |
6001 | { |
6564 | { |
6002 | asection *prev_sec; |
6565 | asection *prev_sec; |
6003 | 6566 | ||
6004 | prev_sec = map->sections[map->count - 1]; |
6567 | prev_sec = map->sections[map->count - 1]; |
6005 | 6568 | ||
6006 | /* If the gap between the end of the previous section |
6569 | /* If the gap between the end of the previous section |
6007 | and the start of this section is more than |
6570 | and the start of this section is more than |
6008 | maxpagesize then we need to start a new segment. */ |
6571 | maxpagesize then we need to start a new segment. */ |
6009 | if ((BFD_ALIGN (prev_sec->lma + prev_sec->size, |
6572 | if ((BFD_ALIGN (prev_sec->lma + prev_sec->size, |
6010 | maxpagesize) |
6573 | maxpagesize) |
6011 | < BFD_ALIGN (output_section->lma, maxpagesize)) |
6574 | < BFD_ALIGN (output_section->lma, maxpagesize)) |
6012 | || (prev_sec->lma + prev_sec->size |
6575 | || (prev_sec->lma + prev_sec->size |
6013 | > output_section->lma)) |
6576 | > output_section->lma)) |
6014 | { |
6577 | { |
6015 | if (first_suggested_lma) |
6578 | if (first_suggested_lma) |
6016 | { |
6579 | { |
6017 | suggested_lma = output_section->lma; |
6580 | suggested_lma = output_section->lma; |
6018 | first_suggested_lma = FALSE; |
6581 | first_suggested_lma = FALSE; |
6019 | } |
6582 | } |
6020 | 6583 | ||
6021 | continue; |
6584 | continue; |
6022 | } |
6585 | } |
6023 | } |
6586 | } |
6024 | 6587 | ||
6025 | map->sections[map->count++] = output_section; |
6588 | map->sections[map->count++] = output_section; |
6026 | ++isec; |
6589 | ++isec; |
6027 | sections[j] = NULL; |
6590 | sections[j] = NULL; |
6028 | section->segment_mark = TRUE; |
6591 | section->segment_mark = TRUE; |
6029 | } |
6592 | } |
6030 | else if (first_suggested_lma) |
6593 | else if (first_suggested_lma) |
6031 | { |
6594 | { |
6032 | suggested_lma = output_section->lma; |
6595 | suggested_lma = output_section->lma; |
6033 | first_suggested_lma = FALSE; |
6596 | first_suggested_lma = FALSE; |
6034 | } |
6597 | } |
6035 | } |
6598 | } |
6036 | 6599 | ||
6037 | BFD_ASSERT (map->count > 0); |
6600 | BFD_ASSERT (map->count > 0); |
6038 | 6601 | ||
6039 | /* Add the current segment to the list of built segments. */ |
6602 | /* Add the current segment to the list of built segments. */ |
6040 | *pointer_to_map = map; |
6603 | *pointer_to_map = map; |
6041 | pointer_to_map = &map->next; |
6604 | pointer_to_map = &map->next; |
6042 | 6605 | ||
6043 | if (isec < section_count) |
6606 | if (isec < section_count) |
6044 | { |
6607 | { |
6045 | /* We still have not allocated all of the sections to |
6608 | /* We still have not allocated all of the sections to |
6046 | segments. Create a new segment here, initialise it |
6609 | segments. Create a new segment here, initialise it |
6047 | and carry on looping. */ |
6610 | and carry on looping. */ |
6048 | amt = sizeof (struct elf_segment_map); |
6611 | amt = sizeof (struct elf_segment_map); |
6049 | amt += ((bfd_size_type) section_count - 1) * sizeof (asection *); |
6612 | amt += ((bfd_size_type) section_count - 1) * sizeof (asection *); |
6050 | map = (struct elf_segment_map *) bfd_zalloc (obfd, amt); |
6613 | map = (struct elf_segment_map *) bfd_zalloc (obfd, amt); |
6051 | if (map == NULL) |
6614 | if (map == NULL) |
6052 | { |
6615 | { |
6053 | free (sections); |
6616 | free (sections); |
6054 | return FALSE; |
6617 | return FALSE; |
6055 | } |
6618 | } |
6056 | 6619 | ||
6057 | /* Initialise the fields of the segment map. Set the physical |
6620 | /* Initialise the fields of the segment map. Set the physical |
6058 | physical address to the LMA of the first section that has |
6621 | physical address to the LMA of the first section that has |
6059 | not yet been assigned. */ |
6622 | not yet been assigned. */ |
6060 | map->next = NULL; |
6623 | map->next = NULL; |
6061 | map->p_type = segment->p_type; |
6624 | map->p_type = segment->p_type; |
6062 | map->p_flags = segment->p_flags; |
6625 | map->p_flags = segment->p_flags; |
6063 | map->p_flags_valid = 1; |
6626 | map->p_flags_valid = 1; |
6064 | map->p_paddr = suggested_lma; |
6627 | map->p_paddr = suggested_lma; |
6065 | map->p_paddr_valid = p_paddr_valid; |
6628 | map->p_paddr_valid = p_paddr_valid; |
6066 | map->includes_filehdr = 0; |
6629 | map->includes_filehdr = 0; |
6067 | map->includes_phdrs = 0; |
6630 | map->includes_phdrs = 0; |
6068 | } |
6631 | } |
6069 | } |
6632 | } |
6070 | while (isec < section_count); |
6633 | while (isec < section_count); |
6071 | 6634 | ||
6072 | free (sections); |
6635 | free (sections); |
6073 | } |
6636 | } |
6074 | 6637 | ||
6075 | elf_seg_map (obfd) = map_first; |
6638 | elf_seg_map (obfd) = map_first; |
6076 | 6639 | ||
6077 | /* If we had to estimate the number of program headers that were |
6640 | /* If we had to estimate the number of program headers that were |
6078 | going to be needed, then check our estimate now and adjust |
6641 | going to be needed, then check our estimate now and adjust |
6079 | the offset if necessary. */ |
6642 | the offset if necessary. */ |
6080 | if (phdr_adjust_seg != NULL) |
6643 | if (phdr_adjust_seg != NULL) |
6081 | { |
6644 | { |
6082 | unsigned int count; |
6645 | unsigned int count; |
6083 | 6646 | ||
6084 | for (count = 0, map = map_first; map != NULL; map = map->next) |
6647 | for (count = 0, map = map_first; map != NULL; map = map->next) |
6085 | count++; |
6648 | count++; |
6086 | 6649 | ||
6087 | if (count > phdr_adjust_num) |
6650 | if (count > phdr_adjust_num) |
6088 | phdr_adjust_seg->p_paddr |
6651 | phdr_adjust_seg->p_paddr |
6089 | -= (count - phdr_adjust_num) * iehdr->e_phentsize; |
6652 | -= (count - phdr_adjust_num) * iehdr->e_phentsize; |
6090 | } |
6653 | } |
6091 | 6654 | ||
6092 | #undef SEGMENT_END |
6655 | #undef SEGMENT_END |
6093 | #undef SECTION_SIZE |
6656 | #undef SECTION_SIZE |
6094 | #undef IS_CONTAINED_BY_VMA |
6657 | #undef IS_CONTAINED_BY_VMA |
6095 | #undef IS_CONTAINED_BY_LMA |
6658 | #undef IS_CONTAINED_BY_LMA |
6096 | #undef IS_NOTE |
6659 | #undef IS_NOTE |
6097 | #undef IS_COREFILE_NOTE |
6660 | #undef IS_COREFILE_NOTE |
6098 | #undef IS_SOLARIS_PT_INTERP |
6661 | #undef IS_SOLARIS_PT_INTERP |
6099 | #undef IS_SECTION_IN_INPUT_SEGMENT |
6662 | #undef IS_SECTION_IN_INPUT_SEGMENT |
6100 | #undef INCLUDE_SECTION_IN_SEGMENT |
6663 | #undef INCLUDE_SECTION_IN_SEGMENT |
6101 | #undef SEGMENT_AFTER_SEGMENT |
6664 | #undef SEGMENT_AFTER_SEGMENT |
6102 | #undef SEGMENT_OVERLAPS |
6665 | #undef SEGMENT_OVERLAPS |
6103 | return TRUE; |
6666 | return TRUE; |
6104 | } |
6667 | } |
6105 | 6668 | ||
6106 | /* Copy ELF program header information. */ |
6669 | /* Copy ELF program header information. */ |
6107 | 6670 | ||
6108 | static bfd_boolean |
6671 | static bfd_boolean |
6109 | copy_elf_program_header (bfd *ibfd, bfd *obfd) |
6672 | copy_elf_program_header (bfd *ibfd, bfd *obfd) |
6110 | { |
6673 | { |
6111 | Elf_Internal_Ehdr *iehdr; |
6674 | Elf_Internal_Ehdr *iehdr; |
6112 | struct elf_segment_map *map; |
6675 | struct elf_segment_map *map; |
6113 | struct elf_segment_map *map_first; |
6676 | struct elf_segment_map *map_first; |
6114 | struct elf_segment_map **pointer_to_map; |
6677 | struct elf_segment_map **pointer_to_map; |
6115 | Elf_Internal_Phdr *segment; |
6678 | Elf_Internal_Phdr *segment; |
6116 | unsigned int i; |
6679 | unsigned int i; |
6117 | unsigned int num_segments; |
6680 | unsigned int num_segments; |
6118 | bfd_boolean phdr_included = FALSE; |
6681 | bfd_boolean phdr_included = FALSE; |
6119 | bfd_boolean p_paddr_valid; |
6682 | bfd_boolean p_paddr_valid; |
6120 | 6683 | ||
6121 | iehdr = elf_elfheader (ibfd); |
6684 | iehdr = elf_elfheader (ibfd); |
6122 | 6685 | ||
6123 | map_first = NULL; |
6686 | map_first = NULL; |
6124 | pointer_to_map = &map_first; |
6687 | pointer_to_map = &map_first; |
6125 | 6688 | ||
6126 | /* If all the segment p_paddr fields are zero, don't set |
6689 | /* If all the segment p_paddr fields are zero, don't set |
6127 | map->p_paddr_valid. */ |
6690 | map->p_paddr_valid. */ |
6128 | p_paddr_valid = FALSE; |
6691 | p_paddr_valid = FALSE; |
6129 | num_segments = elf_elfheader (ibfd)->e_phnum; |
6692 | num_segments = elf_elfheader (ibfd)->e_phnum; |
6130 | for (i = 0, segment = elf_tdata (ibfd)->phdr; |
6693 | for (i = 0, segment = elf_tdata (ibfd)->phdr; |
6131 | i < num_segments; |
6694 | i < num_segments; |
6132 | i++, segment++) |
6695 | i++, segment++) |
6133 | if (segment->p_paddr != 0) |
6696 | if (segment->p_paddr != 0) |
6134 | { |
6697 | { |
6135 | p_paddr_valid = TRUE; |
6698 | p_paddr_valid = TRUE; |
6136 | break; |
6699 | break; |
6137 | } |
6700 | } |
6138 | 6701 | ||
6139 | for (i = 0, segment = elf_tdata (ibfd)->phdr; |
6702 | for (i = 0, segment = elf_tdata (ibfd)->phdr; |
6140 | i < num_segments; |
6703 | i < num_segments; |
6141 | i++, segment++) |
6704 | i++, segment++) |
6142 | { |
6705 | { |
6143 | asection *section; |
6706 | asection *section; |
6144 | unsigned int section_count; |
6707 | unsigned int section_count; |
6145 | bfd_size_type amt; |
6708 | bfd_size_type amt; |
6146 | Elf_Internal_Shdr *this_hdr; |
6709 | Elf_Internal_Shdr *this_hdr; |
6147 | asection *first_section = NULL; |
6710 | asection *first_section = NULL; |
6148 | asection *lowest_section; |
6711 | asection *lowest_section; |
6149 | 6712 | ||
6150 | /* Compute how many sections are in this segment. */ |
6713 | /* Compute how many sections are in this segment. */ |
6151 | for (section = ibfd->sections, section_count = 0; |
6714 | for (section = ibfd->sections, section_count = 0; |
6152 | section != NULL; |
6715 | section != NULL; |
6153 | section = section->next) |
6716 | section = section->next) |
6154 | { |
6717 | { |
6155 | this_hdr = &(elf_section_data(section)->this_hdr); |
6718 | this_hdr = &(elf_section_data(section)->this_hdr); |
6156 | if (ELF_SECTION_IN_SEGMENT (this_hdr, segment)) |
6719 | if (ELF_SECTION_IN_SEGMENT (this_hdr, segment)) |
6157 | { |
6720 | { |
6158 | if (first_section == NULL) |
6721 | if (first_section == NULL) |
6159 | first_section = section; |
6722 | first_section = section; |
6160 | section_count++; |
6723 | section_count++; |
6161 | } |
6724 | } |
6162 | } |
6725 | } |
6163 | 6726 | ||
6164 | /* Allocate a segment map big enough to contain |
6727 | /* Allocate a segment map big enough to contain |
6165 | all of the sections we have selected. */ |
6728 | all of the sections we have selected. */ |
6166 | amt = sizeof (struct elf_segment_map); |
6729 | amt = sizeof (struct elf_segment_map); |
6167 | if (section_count != 0) |
6730 | if (section_count != 0) |
6168 | amt += ((bfd_size_type) section_count - 1) * sizeof (asection *); |
6731 | amt += ((bfd_size_type) section_count - 1) * sizeof (asection *); |
6169 | map = (struct elf_segment_map *) bfd_zalloc (obfd, amt); |
6732 | map = (struct elf_segment_map *) bfd_zalloc (obfd, amt); |
6170 | if (map == NULL) |
6733 | if (map == NULL) |
6171 | return FALSE; |
6734 | return FALSE; |
6172 | 6735 | ||
6173 | /* Initialize the fields of the output segment map with the |
6736 | /* Initialize the fields of the output segment map with the |
6174 | input segment. */ |
6737 | input segment. */ |
6175 | map->next = NULL; |
6738 | map->next = NULL; |
6176 | map->p_type = segment->p_type; |
6739 | map->p_type = segment->p_type; |
6177 | map->p_flags = segment->p_flags; |
6740 | map->p_flags = segment->p_flags; |
6178 | map->p_flags_valid = 1; |
6741 | map->p_flags_valid = 1; |
6179 | map->p_paddr = segment->p_paddr; |
6742 | map->p_paddr = segment->p_paddr; |
6180 | map->p_paddr_valid = p_paddr_valid; |
6743 | map->p_paddr_valid = p_paddr_valid; |
6181 | map->p_align = segment->p_align; |
6744 | map->p_align = segment->p_align; |
6182 | map->p_align_valid = 1; |
6745 | map->p_align_valid = 1; |
6183 | map->p_vaddr_offset = 0; |
6746 | map->p_vaddr_offset = 0; |
6184 | 6747 | ||
6185 | if (map->p_type == PT_GNU_RELRO |
6748 | if (map->p_type == PT_GNU_RELRO |
6186 | || map->p_type == PT_GNU_STACK) |
6749 | || map->p_type == PT_GNU_STACK) |
6187 | { |
6750 | { |
6188 | /* The PT_GNU_RELRO segment may contain the first a few |
6751 | /* The PT_GNU_RELRO segment may contain the first a few |
6189 | bytes in the .got.plt section even if the whole .got.plt |
6752 | bytes in the .got.plt section even if the whole .got.plt |
6190 | section isn't in the PT_GNU_RELRO segment. We won't |
6753 | section isn't in the PT_GNU_RELRO segment. We won't |
6191 | change the size of the PT_GNU_RELRO segment. |
6754 | change the size of the PT_GNU_RELRO segment. |
6192 | Similarly, PT_GNU_STACK size is significant on uclinux |
6755 | Similarly, PT_GNU_STACK size is significant on uclinux |
6193 | systems. */ |
6756 | systems. */ |
6194 | map->p_size = segment->p_memsz; |
6757 | map->p_size = segment->p_memsz; |
6195 | map->p_size_valid = 1; |
6758 | map->p_size_valid = 1; |
6196 | } |
6759 | } |
6197 | 6760 | ||
6198 | /* Determine if this segment contains the ELF file header |
6761 | /* Determine if this segment contains the ELF file header |
6199 | and if it contains the program headers themselves. */ |
6762 | and if it contains the program headers themselves. */ |
6200 | map->includes_filehdr = (segment->p_offset == 0 |
6763 | map->includes_filehdr = (segment->p_offset == 0 |
6201 | && segment->p_filesz >= iehdr->e_ehsize); |
6764 | && segment->p_filesz >= iehdr->e_ehsize); |
6202 | 6765 | ||
6203 | map->includes_phdrs = 0; |
6766 | map->includes_phdrs = 0; |
6204 | if (! phdr_included || segment->p_type != PT_LOAD) |
6767 | if (! phdr_included || segment->p_type != PT_LOAD) |
6205 | { |
6768 | { |
6206 | map->includes_phdrs = |
6769 | map->includes_phdrs = |
6207 | (segment->p_offset <= (bfd_vma) iehdr->e_phoff |
6770 | (segment->p_offset <= (bfd_vma) iehdr->e_phoff |
6208 | && (segment->p_offset + segment->p_filesz |
6771 | && (segment->p_offset + segment->p_filesz |
6209 | >= ((bfd_vma) iehdr->e_phoff |
6772 | >= ((bfd_vma) iehdr->e_phoff |
6210 | + iehdr->e_phnum * iehdr->e_phentsize))); |
6773 | + iehdr->e_phnum * iehdr->e_phentsize))); |
6211 | 6774 | ||
6212 | if (segment->p_type == PT_LOAD && map->includes_phdrs) |
6775 | if (segment->p_type == PT_LOAD && map->includes_phdrs) |
6213 | phdr_included = TRUE; |
6776 | phdr_included = TRUE; |
6214 | } |
6777 | } |
6215 | 6778 | ||
6216 | lowest_section = first_section; |
6779 | lowest_section = NULL; |
6217 | if (section_count != 0) |
6780 | if (section_count != 0) |
6218 | { |
6781 | { |
6219 | unsigned int isec = 0; |
6782 | unsigned int isec = 0; |
6220 | 6783 | ||
6221 | for (section = first_section; |
6784 | for (section = first_section; |
6222 | section != NULL; |
6785 | section != NULL; |
6223 | section = section->next) |
6786 | section = section->next) |
6224 | { |
6787 | { |
6225 | this_hdr = &(elf_section_data(section)->this_hdr); |
6788 | this_hdr = &(elf_section_data(section)->this_hdr); |
6226 | if (ELF_SECTION_IN_SEGMENT (this_hdr, segment)) |
6789 | if (ELF_SECTION_IN_SEGMENT (this_hdr, segment)) |
6227 | { |
6790 | { |
6228 | map->sections[isec++] = section->output_section; |
6791 | map->sections[isec++] = section->output_section; |
6229 | if ((section->flags & SEC_ALLOC) != 0) |
6792 | if ((section->flags & SEC_ALLOC) != 0) |
6230 | { |
6793 | { |
6231 | bfd_vma seg_off; |
6794 | bfd_vma seg_off; |
- | 6795 | ||
6232 | 6796 | if (lowest_section == NULL |
|
6233 | if (section->lma < lowest_section->lma) |
6797 | || section->lma < lowest_section->lma) |
6234 | lowest_section = section; |
6798 | lowest_section = section; |
6235 | 6799 | ||
6236 | /* Section lmas are set up from PT_LOAD header |
6800 | /* Section lmas are set up from PT_LOAD header |
6237 | p_paddr in _bfd_elf_make_section_from_shdr. |
6801 | p_paddr in _bfd_elf_make_section_from_shdr. |
6238 | If this header has a p_paddr that disagrees |
6802 | If this header has a p_paddr that disagrees |
6239 | with the section lma, flag the p_paddr as |
6803 | with the section lma, flag the p_paddr as |
6240 | invalid. */ |
6804 | invalid. */ |
6241 | if ((section->flags & SEC_LOAD) != 0) |
6805 | if ((section->flags & SEC_LOAD) != 0) |
6242 | seg_off = this_hdr->sh_offset - segment->p_offset; |
6806 | seg_off = this_hdr->sh_offset - segment->p_offset; |
6243 | else |
6807 | else |
6244 | seg_off = this_hdr->sh_addr - segment->p_vaddr; |
6808 | seg_off = this_hdr->sh_addr - segment->p_vaddr; |
6245 | if (section->lma - segment->p_paddr != seg_off) |
6809 | if (section->lma - segment->p_paddr != seg_off) |
6246 | map->p_paddr_valid = FALSE; |
6810 | map->p_paddr_valid = FALSE; |
6247 | } |
6811 | } |
6248 | if (isec == section_count) |
6812 | if (isec == section_count) |
6249 | break; |
6813 | break; |
6250 | } |
6814 | } |
6251 | } |
6815 | } |
6252 | } |
6816 | } |
6253 | 6817 | ||
6254 | if (map->includes_filehdr && lowest_section != NULL) |
6818 | if (map->includes_filehdr && lowest_section != NULL) |
6255 | /* We need to keep the space used by the headers fixed. */ |
6819 | /* We need to keep the space used by the headers fixed. */ |
6256 | map->header_size = lowest_section->vma - segment->p_vaddr; |
6820 | map->header_size = lowest_section->vma - segment->p_vaddr; |
6257 | 6821 | ||
6258 | if (!map->includes_phdrs |
6822 | if (!map->includes_phdrs |
6259 | && !map->includes_filehdr |
6823 | && !map->includes_filehdr |
6260 | && map->p_paddr_valid) |
6824 | && map->p_paddr_valid) |
6261 | /* There is some other padding before the first section. */ |
6825 | /* There is some other padding before the first section. */ |
6262 | map->p_vaddr_offset = ((lowest_section ? lowest_section->lma : 0) |
6826 | map->p_vaddr_offset = ((lowest_section ? lowest_section->lma : 0) |
6263 | - segment->p_paddr); |
6827 | - segment->p_paddr); |
6264 | 6828 | ||
6265 | map->count = section_count; |
6829 | map->count = section_count; |
6266 | *pointer_to_map = map; |
6830 | *pointer_to_map = map; |
6267 | pointer_to_map = &map->next; |
6831 | pointer_to_map = &map->next; |
6268 | } |
6832 | } |
6269 | 6833 | ||
6270 | elf_seg_map (obfd) = map_first; |
6834 | elf_seg_map (obfd) = map_first; |
6271 | return TRUE; |
6835 | return TRUE; |
6272 | } |
6836 | } |
6273 | 6837 | ||
6274 | /* Copy private BFD data. This copies or rewrites ELF program header |
6838 | /* Copy private BFD data. This copies or rewrites ELF program header |
6275 | information. */ |
6839 | information. */ |
6276 | 6840 | ||
6277 | static bfd_boolean |
6841 | static bfd_boolean |
6278 | copy_private_bfd_data (bfd *ibfd, bfd *obfd) |
6842 | copy_private_bfd_data (bfd *ibfd, bfd *obfd) |
6279 | { |
6843 | { |
6280 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
6844 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
6281 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) |
6845 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) |
6282 | return TRUE; |
6846 | return TRUE; |
6283 | 6847 | ||
6284 | if (elf_tdata (ibfd)->phdr == NULL) |
6848 | if (elf_tdata (ibfd)->phdr == NULL) |
6285 | return TRUE; |
6849 | return TRUE; |
6286 | 6850 | ||
6287 | if (ibfd->xvec == obfd->xvec) |
6851 | if (ibfd->xvec == obfd->xvec) |
6288 | { |
6852 | { |
6289 | /* Check to see if any sections in the input BFD |
6853 | /* Check to see if any sections in the input BFD |
6290 | covered by ELF program header have changed. */ |
6854 | covered by ELF program header have changed. */ |
6291 | Elf_Internal_Phdr *segment; |
6855 | Elf_Internal_Phdr *segment; |
6292 | asection *section, *osec; |
6856 | asection *section, *osec; |
6293 | unsigned int i, num_segments; |
6857 | unsigned int i, num_segments; |
6294 | Elf_Internal_Shdr *this_hdr; |
6858 | Elf_Internal_Shdr *this_hdr; |
6295 | const struct elf_backend_data *bed; |
6859 | const struct elf_backend_data *bed; |
6296 | 6860 | ||
6297 | bed = get_elf_backend_data (ibfd); |
6861 | bed = get_elf_backend_data (ibfd); |
6298 | 6862 | ||
6299 | /* Regenerate the segment map if p_paddr is set to 0. */ |
6863 | /* Regenerate the segment map if p_paddr is set to 0. */ |
6300 | if (bed->want_p_paddr_set_to_zero) |
6864 | if (bed->want_p_paddr_set_to_zero) |
6301 | goto rewrite; |
6865 | goto rewrite; |
6302 | 6866 | ||
6303 | /* Initialize the segment mark field. */ |
6867 | /* Initialize the segment mark field. */ |
6304 | for (section = obfd->sections; section != NULL; |
6868 | for (section = obfd->sections; section != NULL; |
6305 | section = section->next) |
6869 | section = section->next) |
6306 | section->segment_mark = FALSE; |
6870 | section->segment_mark = FALSE; |
6307 | 6871 | ||
6308 | num_segments = elf_elfheader (ibfd)->e_phnum; |
6872 | num_segments = elf_elfheader (ibfd)->e_phnum; |
6309 | for (i = 0, segment = elf_tdata (ibfd)->phdr; |
6873 | for (i = 0, segment = elf_tdata (ibfd)->phdr; |
6310 | i < num_segments; |
6874 | i < num_segments; |
6311 | i++, segment++) |
6875 | i++, segment++) |
6312 | { |
6876 | { |
6313 | /* PR binutils/3535. The Solaris linker always sets the p_paddr |
6877 | /* PR binutils/3535. The Solaris linker always sets the p_paddr |
6314 | and p_memsz fields of special segments (DYNAMIC, INTERP) to 0 |
6878 | and p_memsz fields of special segments (DYNAMIC, INTERP) to 0 |
6315 | which severly confuses things, so always regenerate the segment |
6879 | which severly confuses things, so always regenerate the segment |
6316 | map in this case. */ |
6880 | map in this case. */ |
6317 | if (segment->p_paddr == 0 |
6881 | if (segment->p_paddr == 0 |
6318 | && segment->p_memsz == 0 |
6882 | && segment->p_memsz == 0 |
6319 | && (segment->p_type == PT_INTERP || segment->p_type == PT_DYNAMIC)) |
6883 | && (segment->p_type == PT_INTERP || segment->p_type == PT_DYNAMIC)) |
6320 | goto rewrite; |
6884 | goto rewrite; |
6321 | 6885 | ||
6322 | for (section = ibfd->sections; |
6886 | for (section = ibfd->sections; |
6323 | section != NULL; section = section->next) |
6887 | section != NULL; section = section->next) |
6324 | { |
6888 | { |
6325 | /* We mark the output section so that we know it comes |
6889 | /* We mark the output section so that we know it comes |
6326 | from the input BFD. */ |
6890 | from the input BFD. */ |
6327 | osec = section->output_section; |
6891 | osec = section->output_section; |
6328 | if (osec) |
6892 | if (osec) |
6329 | osec->segment_mark = TRUE; |
6893 | osec->segment_mark = TRUE; |
6330 | 6894 | ||
6331 | /* Check if this section is covered by the segment. */ |
6895 | /* Check if this section is covered by the segment. */ |
6332 | this_hdr = &(elf_section_data(section)->this_hdr); |
6896 | this_hdr = &(elf_section_data(section)->this_hdr); |
6333 | if (ELF_SECTION_IN_SEGMENT (this_hdr, segment)) |
6897 | if (ELF_SECTION_IN_SEGMENT (this_hdr, segment)) |
6334 | { |
6898 | { |
6335 | /* FIXME: Check if its output section is changed or |
6899 | /* FIXME: Check if its output section is changed or |
6336 | removed. What else do we need to check? */ |
6900 | removed. What else do we need to check? */ |
6337 | if (osec == NULL |
6901 | if (osec == NULL |
6338 | || section->flags != osec->flags |
6902 | || section->flags != osec->flags |
6339 | || section->lma != osec->lma |
6903 | || section->lma != osec->lma |
6340 | || section->vma != osec->vma |
6904 | || section->vma != osec->vma |
6341 | || section->size != osec->size |
6905 | || section->size != osec->size |
6342 | || section->rawsize != osec->rawsize |
6906 | || section->rawsize != osec->rawsize |
6343 | || section->alignment_power != osec->alignment_power) |
6907 | || section->alignment_power != osec->alignment_power) |
6344 | goto rewrite; |
6908 | goto rewrite; |
6345 | } |
6909 | } |
6346 | } |
6910 | } |
6347 | } |
6911 | } |
6348 | 6912 | ||
6349 | /* Check to see if any output section do not come from the |
6913 | /* Check to see if any output section do not come from the |
6350 | input BFD. */ |
6914 | input BFD. */ |
6351 | for (section = obfd->sections; section != NULL; |
6915 | for (section = obfd->sections; section != NULL; |
6352 | section = section->next) |
6916 | section = section->next) |
6353 | { |
6917 | { |
6354 | if (section->segment_mark == FALSE) |
6918 | if (section->segment_mark == FALSE) |
6355 | goto rewrite; |
6919 | goto rewrite; |
6356 | else |
6920 | else |
6357 | section->segment_mark = FALSE; |
6921 | section->segment_mark = FALSE; |
6358 | } |
6922 | } |
6359 | 6923 | ||
6360 | return copy_elf_program_header (ibfd, obfd); |
6924 | return copy_elf_program_header (ibfd, obfd); |
6361 | } |
6925 | } |
6362 | 6926 | ||
6363 | rewrite: |
6927 | rewrite: |
6364 | if (ibfd->xvec == obfd->xvec) |
6928 | if (ibfd->xvec == obfd->xvec) |
6365 | { |
6929 | { |
6366 | /* When rewriting program header, set the output maxpagesize to |
6930 | /* When rewriting program header, set the output maxpagesize to |
6367 | the maximum alignment of input PT_LOAD segments. */ |
6931 | the maximum alignment of input PT_LOAD segments. */ |
6368 | Elf_Internal_Phdr *segment; |
6932 | Elf_Internal_Phdr *segment; |
6369 | unsigned int i; |
6933 | unsigned int i; |
6370 | unsigned int num_segments = elf_elfheader (ibfd)->e_phnum; |
6934 | unsigned int num_segments = elf_elfheader (ibfd)->e_phnum; |
6371 | bfd_vma maxpagesize = 0; |
6935 | bfd_vma maxpagesize = 0; |
6372 | 6936 | ||
6373 | for (i = 0, segment = elf_tdata (ibfd)->phdr; |
6937 | for (i = 0, segment = elf_tdata (ibfd)->phdr; |
6374 | i < num_segments; |
6938 | i < num_segments; |
6375 | i++, segment++) |
6939 | i++, segment++) |
6376 | if (segment->p_type == PT_LOAD |
6940 | if (segment->p_type == PT_LOAD |
6377 | && maxpagesize < segment->p_align) |
6941 | && maxpagesize < segment->p_align) |
- | 6942 | { |
|
- | 6943 | /* PR 17512: file: f17299af. */ |
|
- | 6944 | if (segment->p_align > (bfd_vma) 1 << ((sizeof (bfd_vma) * 8) - 2)) |
|
- | 6945 | (*_bfd_error_handler) (_("\ |
|
- | 6946 | %B: warning: segment alignment of 0x%llx is too large"), |
|
- | 6947 | ibfd, (long long) segment->p_align); |
|
- | 6948 | else |
|
6378 | maxpagesize = segment->p_align; |
6949 | maxpagesize = segment->p_align; |
- | 6950 | } |
|
6379 | 6951 | ||
6380 | if (maxpagesize != get_elf_backend_data (obfd)->maxpagesize) |
6952 | if (maxpagesize != get_elf_backend_data (obfd)->maxpagesize) |
6381 | bfd_emul_set_maxpagesize (bfd_get_target (obfd), maxpagesize); |
6953 | bfd_emul_set_maxpagesize (bfd_get_target (obfd), maxpagesize); |
6382 | } |
6954 | } |
6383 | 6955 | ||
6384 | return rewrite_elf_program_header (ibfd, obfd); |
6956 | return rewrite_elf_program_header (ibfd, obfd); |
6385 | } |
6957 | } |
6386 | 6958 | ||
6387 | /* Initialize private output section information from input section. */ |
6959 | /* Initialize private output section information from input section. */ |
6388 | 6960 | ||
6389 | bfd_boolean |
6961 | bfd_boolean |
6390 | _bfd_elf_init_private_section_data (bfd *ibfd, |
6962 | _bfd_elf_init_private_section_data (bfd *ibfd, |
6391 | asection *isec, |
6963 | asection *isec, |
6392 | bfd *obfd, |
6964 | bfd *obfd, |
6393 | asection *osec, |
6965 | asection *osec, |
6394 | struct bfd_link_info *link_info) |
6966 | struct bfd_link_info *link_info) |
6395 | 6967 | ||
6396 | { |
6968 | { |
6397 | Elf_Internal_Shdr *ihdr, *ohdr; |
6969 | Elf_Internal_Shdr *ihdr, *ohdr; |
6398 | bfd_boolean final_link = link_info != NULL && !link_info->relocatable; |
6970 | bfd_boolean final_link = (link_info != NULL |
- | 6971 | && !bfd_link_relocatable (link_info)); |
|
6399 | 6972 | ||
6400 | if (ibfd->xvec->flavour != bfd_target_elf_flavour |
6973 | if (ibfd->xvec->flavour != bfd_target_elf_flavour |
6401 | || obfd->xvec->flavour != bfd_target_elf_flavour) |
6974 | || obfd->xvec->flavour != bfd_target_elf_flavour) |
6402 | return TRUE; |
6975 | return TRUE; |
6403 | 6976 | ||
6404 | BFD_ASSERT (elf_section_data (osec) != NULL); |
6977 | BFD_ASSERT (elf_section_data (osec) != NULL); |
6405 | 6978 | ||
6406 | /* For objcopy and relocatable link, don't copy the output ELF |
6979 | /* For objcopy and relocatable link, don't copy the output ELF |
6407 | section type from input if the output BFD section flags have been |
6980 | section type from input if the output BFD section flags have been |
6408 | set to something different. For a final link allow some flags |
6981 | set to something different. For a final link allow some flags |
6409 | that the linker clears to differ. */ |
6982 | that the linker clears to differ. */ |
6410 | if (elf_section_type (osec) == SHT_NULL |
6983 | if (elf_section_type (osec) == SHT_NULL |
6411 | && (osec->flags == isec->flags |
6984 | && (osec->flags == isec->flags |
6412 | || (final_link |
6985 | || (final_link |
6413 | && ((osec->flags ^ isec->flags) |
6986 | && ((osec->flags ^ isec->flags) |
6414 | & ~(SEC_LINK_ONCE | SEC_LINK_DUPLICATES | SEC_RELOC)) == 0))) |
6987 | & ~(SEC_LINK_ONCE | SEC_LINK_DUPLICATES | SEC_RELOC)) == 0))) |
6415 | elf_section_type (osec) = elf_section_type (isec); |
6988 | elf_section_type (osec) = elf_section_type (isec); |
6416 | 6989 | ||
6417 | /* FIXME: Is this correct for all OS/PROC specific flags? */ |
6990 | /* FIXME: Is this correct for all OS/PROC specific flags? */ |
6418 | elf_section_flags (osec) |= (elf_section_flags (isec) |
6991 | elf_section_flags (osec) |= (elf_section_flags (isec) |
6419 | & (SHF_MASKOS | SHF_MASKPROC)); |
6992 | & (SHF_MASKOS | SHF_MASKPROC)); |
6420 | 6993 | ||
6421 | /* Set things up for objcopy and relocatable link. The output |
6994 | /* Set things up for objcopy and relocatable link. The output |
6422 | SHT_GROUP section will have its elf_next_in_group pointing back |
6995 | SHT_GROUP section will have its elf_next_in_group pointing back |
6423 | to the input group members. Ignore linker created group section. |
6996 | to the input group members. Ignore linker created group section. |
6424 | See elfNN_ia64_object_p in elfxx-ia64.c. */ |
6997 | See elfNN_ia64_object_p in elfxx-ia64.c. */ |
6425 | if (!final_link) |
6998 | if (!final_link) |
6426 | { |
6999 | { |
6427 | if (elf_sec_group (isec) == NULL |
7000 | if (elf_sec_group (isec) == NULL |
6428 | || (elf_sec_group (isec)->flags & SEC_LINKER_CREATED) == 0) |
7001 | || (elf_sec_group (isec)->flags & SEC_LINKER_CREATED) == 0) |
6429 | { |
7002 | { |
6430 | if (elf_section_flags (isec) & SHF_GROUP) |
7003 | if (elf_section_flags (isec) & SHF_GROUP) |
6431 | elf_section_flags (osec) |= SHF_GROUP; |
7004 | elf_section_flags (osec) |= SHF_GROUP; |
6432 | elf_next_in_group (osec) = elf_next_in_group (isec); |
7005 | elf_next_in_group (osec) = elf_next_in_group (isec); |
6433 | elf_section_data (osec)->group = elf_section_data (isec)->group; |
7006 | elf_section_data (osec)->group = elf_section_data (isec)->group; |
6434 | } |
7007 | } |
- | 7008 | ||
- | 7009 | /* If not decompress, preserve SHF_COMPRESSED. */ |
|
- | 7010 | if ((ibfd->flags & BFD_DECOMPRESS) == 0) |
|
- | 7011 | elf_section_flags (osec) |= (elf_section_flags (isec) |
|
- | 7012 | & SHF_COMPRESSED); |
|
6435 | } |
7013 | } |
6436 | 7014 | ||
6437 | ihdr = &elf_section_data (isec)->this_hdr; |
7015 | ihdr = &elf_section_data (isec)->this_hdr; |
6438 | 7016 | ||
6439 | /* We need to handle elf_linked_to_section for SHF_LINK_ORDER. We |
7017 | /* We need to handle elf_linked_to_section for SHF_LINK_ORDER. We |
6440 | don't use the output section of the linked-to section since it |
7018 | don't use the output section of the linked-to section since it |
6441 | may be NULL at this point. */ |
7019 | may be NULL at this point. */ |
6442 | if ((ihdr->sh_flags & SHF_LINK_ORDER) != 0) |
7020 | if ((ihdr->sh_flags & SHF_LINK_ORDER) != 0) |
6443 | { |
7021 | { |
6444 | ohdr = &elf_section_data (osec)->this_hdr; |
7022 | ohdr = &elf_section_data (osec)->this_hdr; |
6445 | ohdr->sh_flags |= SHF_LINK_ORDER; |
7023 | ohdr->sh_flags |= SHF_LINK_ORDER; |
6446 | elf_linked_to_section (osec) = elf_linked_to_section (isec); |
7024 | elf_linked_to_section (osec) = elf_linked_to_section (isec); |
6447 | } |
7025 | } |
6448 | 7026 | ||
6449 | osec->use_rela_p = isec->use_rela_p; |
7027 | osec->use_rela_p = isec->use_rela_p; |
6450 | 7028 | ||
6451 | return TRUE; |
7029 | return TRUE; |
6452 | } |
7030 | } |
6453 | 7031 | ||
6454 | /* Copy private section information. This copies over the entsize |
7032 | /* Copy private section information. This copies over the entsize |
6455 | field, and sometimes the info field. */ |
7033 | field, and sometimes the info field. */ |
6456 | 7034 | ||
6457 | bfd_boolean |
7035 | bfd_boolean |
6458 | _bfd_elf_copy_private_section_data (bfd *ibfd, |
7036 | _bfd_elf_copy_private_section_data (bfd *ibfd, |
6459 | asection *isec, |
7037 | asection *isec, |
6460 | bfd *obfd, |
7038 | bfd *obfd, |
6461 | asection *osec) |
7039 | asection *osec) |
6462 | { |
7040 | { |
6463 | Elf_Internal_Shdr *ihdr, *ohdr; |
7041 | Elf_Internal_Shdr *ihdr, *ohdr; |
6464 | 7042 | ||
6465 | if (ibfd->xvec->flavour != bfd_target_elf_flavour |
7043 | if (ibfd->xvec->flavour != bfd_target_elf_flavour |
6466 | || obfd->xvec->flavour != bfd_target_elf_flavour) |
7044 | || obfd->xvec->flavour != bfd_target_elf_flavour) |
6467 | return TRUE; |
7045 | return TRUE; |
6468 | 7046 | ||
6469 | ihdr = &elf_section_data (isec)->this_hdr; |
7047 | ihdr = &elf_section_data (isec)->this_hdr; |
6470 | ohdr = &elf_section_data (osec)->this_hdr; |
7048 | ohdr = &elf_section_data (osec)->this_hdr; |
6471 | 7049 | ||
6472 | ohdr->sh_entsize = ihdr->sh_entsize; |
7050 | ohdr->sh_entsize = ihdr->sh_entsize; |
6473 | 7051 | ||
6474 | if (ihdr->sh_type == SHT_SYMTAB |
7052 | if (ihdr->sh_type == SHT_SYMTAB |
6475 | || ihdr->sh_type == SHT_DYNSYM |
7053 | || ihdr->sh_type == SHT_DYNSYM |
6476 | || ihdr->sh_type == SHT_GNU_verneed |
7054 | || ihdr->sh_type == SHT_GNU_verneed |
6477 | || ihdr->sh_type == SHT_GNU_verdef) |
7055 | || ihdr->sh_type == SHT_GNU_verdef) |
6478 | ohdr->sh_info = ihdr->sh_info; |
7056 | ohdr->sh_info = ihdr->sh_info; |
6479 | 7057 | ||
6480 | return _bfd_elf_init_private_section_data (ibfd, isec, obfd, osec, |
7058 | return _bfd_elf_init_private_section_data (ibfd, isec, obfd, osec, |
6481 | NULL); |
7059 | NULL); |
6482 | } |
7060 | } |
6483 | 7061 | ||
6484 | /* Look at all the SHT_GROUP sections in IBFD, making any adjustments |
7062 | /* Look at all the SHT_GROUP sections in IBFD, making any adjustments |
6485 | necessary if we are removing either the SHT_GROUP section or any of |
7063 | necessary if we are removing either the SHT_GROUP section or any of |
6486 | the group member sections. DISCARDED is the value that a section's |
7064 | the group member sections. DISCARDED is the value that a section's |
6487 | output_section has if the section will be discarded, NULL when this |
7065 | output_section has if the section will be discarded, NULL when this |
6488 | function is called from objcopy, bfd_abs_section_ptr when called |
7066 | function is called from objcopy, bfd_abs_section_ptr when called |
6489 | from the linker. */ |
7067 | from the linker. */ |
6490 | 7068 | ||
6491 | bfd_boolean |
7069 | bfd_boolean |
6492 | _bfd_elf_fixup_group_sections (bfd *ibfd, asection *discarded) |
7070 | _bfd_elf_fixup_group_sections (bfd *ibfd, asection *discarded) |
6493 | { |
7071 | { |
6494 | asection *isec; |
7072 | asection *isec; |
6495 | 7073 | ||
6496 | for (isec = ibfd->sections; isec != NULL; isec = isec->next) |
7074 | for (isec = ibfd->sections; isec != NULL; isec = isec->next) |
6497 | if (elf_section_type (isec) == SHT_GROUP) |
7075 | if (elf_section_type (isec) == SHT_GROUP) |
6498 | { |
7076 | { |
6499 | asection *first = elf_next_in_group (isec); |
7077 | asection *first = elf_next_in_group (isec); |
6500 | asection *s = first; |
7078 | asection *s = first; |
6501 | bfd_size_type removed = 0; |
7079 | bfd_size_type removed = 0; |
6502 | 7080 | ||
6503 | while (s != NULL) |
7081 | while (s != NULL) |
6504 | { |
7082 | { |
6505 | /* If this member section is being output but the |
7083 | /* If this member section is being output but the |
6506 | SHT_GROUP section is not, then clear the group info |
7084 | SHT_GROUP section is not, then clear the group info |
6507 | set up by _bfd_elf_copy_private_section_data. */ |
7085 | set up by _bfd_elf_copy_private_section_data. */ |
6508 | if (s->output_section != discarded |
7086 | if (s->output_section != discarded |
6509 | && isec->output_section == discarded) |
7087 | && isec->output_section == discarded) |
6510 | { |
7088 | { |
6511 | elf_section_flags (s->output_section) &= ~SHF_GROUP; |
7089 | elf_section_flags (s->output_section) &= ~SHF_GROUP; |
6512 | elf_group_name (s->output_section) = NULL; |
7090 | elf_group_name (s->output_section) = NULL; |
6513 | } |
7091 | } |
6514 | /* Conversely, if the member section is not being output |
7092 | /* Conversely, if the member section is not being output |
6515 | but the SHT_GROUP section is, then adjust its size. */ |
7093 | but the SHT_GROUP section is, then adjust its size. */ |
6516 | else if (s->output_section == discarded |
7094 | else if (s->output_section == discarded |
6517 | && isec->output_section != discarded) |
7095 | && isec->output_section != discarded) |
6518 | removed += 4; |
7096 | removed += 4; |
6519 | s = elf_next_in_group (s); |
7097 | s = elf_next_in_group (s); |
6520 | if (s == first) |
7098 | if (s == first) |
6521 | break; |
7099 | break; |
6522 | } |
7100 | } |
6523 | if (removed != 0) |
7101 | if (removed != 0) |
6524 | { |
7102 | { |
6525 | if (discarded != NULL) |
7103 | if (discarded != NULL) |
6526 | { |
7104 | { |
6527 | /* If we've been called for ld -r, then we need to |
7105 | /* If we've been called for ld -r, then we need to |
6528 | adjust the input section size. This function may |
7106 | adjust the input section size. This function may |
6529 | be called multiple times, so save the original |
7107 | be called multiple times, so save the original |
6530 | size. */ |
7108 | size. */ |
6531 | if (isec->rawsize == 0) |
7109 | if (isec->rawsize == 0) |
6532 | isec->rawsize = isec->size; |
7110 | isec->rawsize = isec->size; |
6533 | isec->size = isec->rawsize - removed; |
7111 | isec->size = isec->rawsize - removed; |
6534 | } |
7112 | } |
6535 | else |
7113 | else |
6536 | { |
7114 | { |
6537 | /* Adjust the output section size when called from |
7115 | /* Adjust the output section size when called from |
6538 | objcopy. */ |
7116 | objcopy. */ |
6539 | isec->output_section->size -= removed; |
7117 | isec->output_section->size -= removed; |
6540 | } |
7118 | } |
6541 | } |
7119 | } |
6542 | } |
7120 | } |
6543 | 7121 | ||
6544 | return TRUE; |
7122 | return TRUE; |
6545 | } |
7123 | } |
6546 | 7124 | ||
6547 | /* Copy private header information. */ |
7125 | /* Copy private header information. */ |
6548 | 7126 | ||
6549 | bfd_boolean |
7127 | bfd_boolean |
6550 | _bfd_elf_copy_private_header_data (bfd *ibfd, bfd *obfd) |
7128 | _bfd_elf_copy_private_header_data (bfd *ibfd, bfd *obfd) |
6551 | { |
7129 | { |
6552 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
7130 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
6553 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) |
7131 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) |
6554 | return TRUE; |
7132 | return TRUE; |
6555 | 7133 | ||
6556 | /* Copy over private BFD data if it has not already been copied. |
7134 | /* Copy over private BFD data if it has not already been copied. |
6557 | This must be done here, rather than in the copy_private_bfd_data |
7135 | This must be done here, rather than in the copy_private_bfd_data |
6558 | entry point, because the latter is called after the section |
7136 | entry point, because the latter is called after the section |
6559 | contents have been set, which means that the program headers have |
7137 | contents have been set, which means that the program headers have |
6560 | already been worked out. */ |
7138 | already been worked out. */ |
6561 | if (elf_seg_map (obfd) == NULL && elf_tdata (ibfd)->phdr != NULL) |
7139 | if (elf_seg_map (obfd) == NULL && elf_tdata (ibfd)->phdr != NULL) |
6562 | { |
7140 | { |
6563 | if (! copy_private_bfd_data (ibfd, obfd)) |
7141 | if (! copy_private_bfd_data (ibfd, obfd)) |
6564 | return FALSE; |
7142 | return FALSE; |
6565 | } |
7143 | } |
6566 | 7144 | ||
6567 | return _bfd_elf_fixup_group_sections (ibfd, NULL); |
7145 | return _bfd_elf_fixup_group_sections (ibfd, NULL); |
6568 | } |
7146 | } |
6569 | 7147 | ||
6570 | /* Copy private symbol information. If this symbol is in a section |
7148 | /* Copy private symbol information. If this symbol is in a section |
6571 | which we did not map into a BFD section, try to map the section |
7149 | which we did not map into a BFD section, try to map the section |
6572 | index correctly. We use special macro definitions for the mapped |
7150 | index correctly. We use special macro definitions for the mapped |
6573 | section indices; these definitions are interpreted by the |
7151 | section indices; these definitions are interpreted by the |
6574 | swap_out_syms function. */ |
7152 | swap_out_syms function. */ |
6575 | 7153 | ||
6576 | #define MAP_ONESYMTAB (SHN_HIOS + 1) |
7154 | #define MAP_ONESYMTAB (SHN_HIOS + 1) |
6577 | #define MAP_DYNSYMTAB (SHN_HIOS + 2) |
7155 | #define MAP_DYNSYMTAB (SHN_HIOS + 2) |
6578 | #define MAP_STRTAB (SHN_HIOS + 3) |
7156 | #define MAP_STRTAB (SHN_HIOS + 3) |
6579 | #define MAP_SHSTRTAB (SHN_HIOS + 4) |
7157 | #define MAP_SHSTRTAB (SHN_HIOS + 4) |
6580 | #define MAP_SYM_SHNDX (SHN_HIOS + 5) |
7158 | #define MAP_SYM_SHNDX (SHN_HIOS + 5) |
6581 | 7159 | ||
6582 | bfd_boolean |
7160 | bfd_boolean |
6583 | _bfd_elf_copy_private_symbol_data (bfd *ibfd, |
7161 | _bfd_elf_copy_private_symbol_data (bfd *ibfd, |
6584 | asymbol *isymarg, |
7162 | asymbol *isymarg, |
6585 | bfd *obfd, |
7163 | bfd *obfd, |
6586 | asymbol *osymarg) |
7164 | asymbol *osymarg) |
6587 | { |
7165 | { |
6588 | elf_symbol_type *isym, *osym; |
7166 | elf_symbol_type *isym, *osym; |
6589 | 7167 | ||
6590 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
7168 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
6591 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) |
7169 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) |
6592 | return TRUE; |
7170 | return TRUE; |
6593 | 7171 | ||
6594 | isym = elf_symbol_from (ibfd, isymarg); |
7172 | isym = elf_symbol_from (ibfd, isymarg); |
6595 | osym = elf_symbol_from (obfd, osymarg); |
7173 | osym = elf_symbol_from (obfd, osymarg); |
6596 | 7174 | ||
6597 | if (isym != NULL |
7175 | if (isym != NULL |
6598 | && isym->internal_elf_sym.st_shndx != 0 |
7176 | && isym->internal_elf_sym.st_shndx != 0 |
6599 | && osym != NULL |
7177 | && osym != NULL |
6600 | && bfd_is_abs_section (isym->symbol.section)) |
7178 | && bfd_is_abs_section (isym->symbol.section)) |
6601 | { |
7179 | { |
6602 | unsigned int shndx; |
7180 | unsigned int shndx; |
6603 | 7181 | ||
6604 | shndx = isym->internal_elf_sym.st_shndx; |
7182 | shndx = isym->internal_elf_sym.st_shndx; |
6605 | if (shndx == elf_onesymtab (ibfd)) |
7183 | if (shndx == elf_onesymtab (ibfd)) |
6606 | shndx = MAP_ONESYMTAB; |
7184 | shndx = MAP_ONESYMTAB; |
6607 | else if (shndx == elf_dynsymtab (ibfd)) |
7185 | else if (shndx == elf_dynsymtab (ibfd)) |
6608 | shndx = MAP_DYNSYMTAB; |
7186 | shndx = MAP_DYNSYMTAB; |
6609 | else if (shndx == elf_strtab_sec (ibfd)) |
7187 | else if (shndx == elf_strtab_sec (ibfd)) |
6610 | shndx = MAP_STRTAB; |
7188 | shndx = MAP_STRTAB; |
6611 | else if (shndx == elf_shstrtab_sec (ibfd)) |
7189 | else if (shndx == elf_shstrtab_sec (ibfd)) |
6612 | shndx = MAP_SHSTRTAB; |
7190 | shndx = MAP_SHSTRTAB; |
6613 | else if (shndx == elf_symtab_shndx (ibfd)) |
7191 | else if (find_section_in_list (shndx, elf_symtab_shndx_list (ibfd))) |
6614 | shndx = MAP_SYM_SHNDX; |
7192 | shndx = MAP_SYM_SHNDX; |
6615 | osym->internal_elf_sym.st_shndx = shndx; |
7193 | osym->internal_elf_sym.st_shndx = shndx; |
6616 | } |
7194 | } |
6617 | 7195 | ||
6618 | return TRUE; |
7196 | return TRUE; |
6619 | } |
7197 | } |
6620 | 7198 | ||
6621 | /* Swap out the symbols. */ |
7199 | /* Swap out the symbols. */ |
6622 | 7200 | ||
6623 | static bfd_boolean |
7201 | static bfd_boolean |
6624 | swap_out_syms (bfd *abfd, |
7202 | swap_out_syms (bfd *abfd, |
6625 | struct bfd_strtab_hash **sttp, |
7203 | struct elf_strtab_hash **sttp, |
6626 | int relocatable_p) |
7204 | int relocatable_p) |
6627 | { |
7205 | { |
6628 | const struct elf_backend_data *bed; |
7206 | const struct elf_backend_data *bed; |
6629 | int symcount; |
7207 | int symcount; |
6630 | asymbol **syms; |
7208 | asymbol **syms; |
6631 | struct bfd_strtab_hash *stt; |
7209 | struct elf_strtab_hash *stt; |
6632 | Elf_Internal_Shdr *symtab_hdr; |
7210 | Elf_Internal_Shdr *symtab_hdr; |
6633 | Elf_Internal_Shdr *symtab_shndx_hdr; |
7211 | Elf_Internal_Shdr *symtab_shndx_hdr; |
6634 | Elf_Internal_Shdr *symstrtab_hdr; |
7212 | Elf_Internal_Shdr *symstrtab_hdr; |
- | 7213 | struct elf_sym_strtab *symstrtab; |
|
6635 | bfd_byte *outbound_syms; |
7214 | bfd_byte *outbound_syms; |
6636 | bfd_byte *outbound_shndx; |
7215 | bfd_byte *outbound_shndx; |
- | 7216 | unsigned long outbound_syms_index; |
|
- | 7217 | unsigned long outbound_shndx_index; |
|
6637 | int idx; |
7218 | int idx; |
6638 | unsigned int num_locals; |
7219 | unsigned int num_locals; |
6639 | bfd_size_type amt; |
7220 | bfd_size_type amt; |
6640 | bfd_boolean name_local_sections; |
7221 | bfd_boolean name_local_sections; |
6641 | 7222 | ||
6642 | if (!elf_map_symbols (abfd, &num_locals)) |
7223 | if (!elf_map_symbols (abfd, &num_locals)) |
6643 | return FALSE; |
7224 | return FALSE; |
6644 | 7225 | ||
6645 | /* Dump out the symtabs. */ |
7226 | /* Dump out the symtabs. */ |
6646 | stt = _bfd_elf_stringtab_init (); |
7227 | stt = _bfd_elf_strtab_init (); |
6647 | if (stt == NULL) |
7228 | if (stt == NULL) |
6648 | return FALSE; |
7229 | return FALSE; |
6649 | 7230 | ||
6650 | bed = get_elf_backend_data (abfd); |
7231 | bed = get_elf_backend_data (abfd); |
6651 | symcount = bfd_get_symcount (abfd); |
7232 | symcount = bfd_get_symcount (abfd); |
6652 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; |
7233 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; |
6653 | symtab_hdr->sh_type = SHT_SYMTAB; |
7234 | symtab_hdr->sh_type = SHT_SYMTAB; |
6654 | symtab_hdr->sh_entsize = bed->s->sizeof_sym; |
7235 | symtab_hdr->sh_entsize = bed->s->sizeof_sym; |
6655 | symtab_hdr->sh_size = symtab_hdr->sh_entsize * (symcount + 1); |
7236 | symtab_hdr->sh_size = symtab_hdr->sh_entsize * (symcount + 1); |
6656 | symtab_hdr->sh_info = num_locals + 1; |
7237 | symtab_hdr->sh_info = num_locals + 1; |
6657 | symtab_hdr->sh_addralign = (bfd_vma) 1 << bed->s->log_file_align; |
7238 | symtab_hdr->sh_addralign = (bfd_vma) 1 << bed->s->log_file_align; |
6658 | 7239 | ||
6659 | symstrtab_hdr = &elf_tdata (abfd)->strtab_hdr; |
7240 | symstrtab_hdr = &elf_tdata (abfd)->strtab_hdr; |
6660 | symstrtab_hdr->sh_type = SHT_STRTAB; |
7241 | symstrtab_hdr->sh_type = SHT_STRTAB; |
- | 7242 | ||
- | 7243 | /* Allocate buffer to swap out the .strtab section. */ |
|
- | 7244 | symstrtab = (struct elf_sym_strtab *) bfd_malloc ((symcount + 1) |
|
- | 7245 | * sizeof (*symstrtab)); |
|
- | 7246 | if (symstrtab == NULL) |
|
- | 7247 | { |
|
- | 7248 | _bfd_elf_strtab_free (stt); |
|
- | 7249 | return FALSE; |
|
- | 7250 | } |
|
6661 | 7251 | ||
6662 | outbound_syms = (bfd_byte *) bfd_alloc2 (abfd, 1 + symcount, |
7252 | outbound_syms = (bfd_byte *) bfd_alloc2 (abfd, 1 + symcount, |
6663 | bed->s->sizeof_sym); |
7253 | bed->s->sizeof_sym); |
6664 | if (outbound_syms == NULL) |
7254 | if (outbound_syms == NULL) |
6665 | { |
7255 | { |
- | 7256 | error_return: |
|
6666 | _bfd_stringtab_free (stt); |
7257 | _bfd_elf_strtab_free (stt); |
- | 7258 | free (symstrtab); |
|
6667 | return FALSE; |
7259 | return FALSE; |
6668 | } |
7260 | } |
6669 | symtab_hdr->contents = outbound_syms; |
7261 | symtab_hdr->contents = outbound_syms; |
- | 7262 | outbound_syms_index = 0; |
|
6670 | 7263 | ||
- | 7264 | outbound_shndx = NULL; |
|
- | 7265 | outbound_shndx_index = 0; |
|
- | 7266 | ||
- | 7267 | if (elf_symtab_shndx_list (abfd)) |
|
6671 | outbound_shndx = NULL; |
7268 | { |
6672 | symtab_shndx_hdr = &elf_tdata (abfd)->symtab_shndx_hdr; |
7269 | symtab_shndx_hdr = & elf_symtab_shndx_list (abfd)->hdr; |
6673 | if (symtab_shndx_hdr->sh_name != 0) |
7270 | if (symtab_shndx_hdr->sh_name != 0) |
6674 | { |
7271 | { |
6675 | amt = (bfd_size_type) (1 + symcount) * sizeof (Elf_External_Sym_Shndx); |
7272 | amt = (bfd_size_type) (1 + symcount) * sizeof (Elf_External_Sym_Shndx); |
6676 | outbound_shndx = (bfd_byte *) |
7273 | outbound_shndx = (bfd_byte *) |
6677 | bfd_zalloc2 (abfd, 1 + symcount, sizeof (Elf_External_Sym_Shndx)); |
7274 | bfd_zalloc2 (abfd, 1 + symcount, sizeof (Elf_External_Sym_Shndx)); |
6678 | if (outbound_shndx == NULL) |
7275 | if (outbound_shndx == NULL) |
6679 | { |
- | |
6680 | _bfd_stringtab_free (stt); |
7276 | goto error_return; |
6681 | return FALSE; |
- | |
6682 | } |
- | |
6683 | 7277 | ||
6684 | symtab_shndx_hdr->contents = outbound_shndx; |
7278 | symtab_shndx_hdr->contents = outbound_shndx; |
6685 | symtab_shndx_hdr->sh_type = SHT_SYMTAB_SHNDX; |
7279 | symtab_shndx_hdr->sh_type = SHT_SYMTAB_SHNDX; |
6686 | symtab_shndx_hdr->sh_size = amt; |
7280 | symtab_shndx_hdr->sh_size = amt; |
6687 | symtab_shndx_hdr->sh_addralign = sizeof (Elf_External_Sym_Shndx); |
7281 | symtab_shndx_hdr->sh_addralign = sizeof (Elf_External_Sym_Shndx); |
6688 | symtab_shndx_hdr->sh_entsize = sizeof (Elf_External_Sym_Shndx); |
7282 | symtab_shndx_hdr->sh_entsize = sizeof (Elf_External_Sym_Shndx); |
6689 | } |
7283 | } |
- | 7284 | /* FIXME: What about any other headers in the list ? */ |
|
- | 7285 | } |
|
6690 | 7286 | ||
6691 | /* Now generate the data (for "contents"). */ |
7287 | /* Now generate the data (for "contents"). */ |
6692 | { |
7288 | { |
6693 | /* Fill in zeroth symbol and swap it out. */ |
7289 | /* Fill in zeroth symbol and swap it out. */ |
6694 | Elf_Internal_Sym sym; |
7290 | Elf_Internal_Sym sym; |
6695 | sym.st_name = 0; |
7291 | sym.st_name = 0; |
6696 | sym.st_value = 0; |
7292 | sym.st_value = 0; |
6697 | sym.st_size = 0; |
7293 | sym.st_size = 0; |
6698 | sym.st_info = 0; |
7294 | sym.st_info = 0; |
6699 | sym.st_other = 0; |
7295 | sym.st_other = 0; |
6700 | sym.st_shndx = SHN_UNDEF; |
7296 | sym.st_shndx = SHN_UNDEF; |
6701 | sym.st_target_internal = 0; |
7297 | sym.st_target_internal = 0; |
- | 7298 | symstrtab[0].sym = sym; |
|
6702 | bed->s->swap_symbol_out (abfd, &sym, outbound_syms, outbound_shndx); |
7299 | symstrtab[0].dest_index = outbound_syms_index; |
- | 7300 | symstrtab[0].destshndx_index = outbound_shndx_index; |
|
6703 | outbound_syms += bed->s->sizeof_sym; |
7301 | outbound_syms_index++; |
6704 | if (outbound_shndx != NULL) |
7302 | if (outbound_shndx != NULL) |
6705 | outbound_shndx += sizeof (Elf_External_Sym_Shndx); |
7303 | outbound_shndx_index++; |
6706 | } |
7304 | } |
6707 | 7305 | ||
6708 | name_local_sections |
7306 | name_local_sections |
6709 | = (bed->elf_backend_name_local_section_symbols |
7307 | = (bed->elf_backend_name_local_section_symbols |
6710 | && bed->elf_backend_name_local_section_symbols (abfd)); |
7308 | && bed->elf_backend_name_local_section_symbols (abfd)); |
6711 | 7309 | ||
6712 | syms = bfd_get_outsymbols (abfd); |
7310 | syms = bfd_get_outsymbols (abfd); |
6713 | for (idx = 0; idx < symcount; idx++) |
7311 | for (idx = 0; idx < symcount;) |
6714 | { |
7312 | { |
6715 | Elf_Internal_Sym sym; |
7313 | Elf_Internal_Sym sym; |
6716 | bfd_vma value = syms[idx]->value; |
7314 | bfd_vma value = syms[idx]->value; |
6717 | elf_symbol_type *type_ptr; |
7315 | elf_symbol_type *type_ptr; |
6718 | flagword flags = syms[idx]->flags; |
7316 | flagword flags = syms[idx]->flags; |
6719 | int type; |
7317 | int type; |
6720 | 7318 | ||
6721 | if (!name_local_sections |
7319 | if (!name_local_sections |
6722 | && (flags & (BSF_SECTION_SYM | BSF_GLOBAL)) == BSF_SECTION_SYM) |
7320 | && (flags & (BSF_SECTION_SYM | BSF_GLOBAL)) == BSF_SECTION_SYM) |
6723 | { |
7321 | { |
6724 | /* Local section symbols have no name. */ |
7322 | /* Local section symbols have no name. */ |
6725 | sym.st_name = 0; |
7323 | sym.st_name = (unsigned long) -1; |
6726 | } |
7324 | } |
6727 | else |
7325 | else |
6728 | { |
7326 | { |
6729 | sym.st_name = (unsigned long) _bfd_stringtab_add (stt, |
7327 | /* Call _bfd_elf_strtab_offset after _bfd_elf_strtab_finalize |
- | 7328 | to get the final offset for st_name. */ |
|
6730 | syms[idx]->name, |
7329 | sym.st_name |
- | 7330 | = (unsigned long) _bfd_elf_strtab_add (stt, syms[idx]->name, |
|
6731 | TRUE, FALSE); |
7331 | FALSE); |
6732 | if (sym.st_name == (unsigned long) -1) |
7332 | if (sym.st_name == (unsigned long) -1) |
6733 | { |
- | |
6734 | _bfd_stringtab_free (stt); |
- | |
6735 | return FALSE; |
7333 | goto error_return; |
6736 | } |
- | |
6737 | } |
7334 | } |
6738 | 7335 | ||
6739 | type_ptr = elf_symbol_from (abfd, syms[idx]); |
7336 | type_ptr = elf_symbol_from (abfd, syms[idx]); |
6740 | 7337 | ||
6741 | if ((flags & BSF_SECTION_SYM) == 0 |
7338 | if ((flags & BSF_SECTION_SYM) == 0 |
6742 | && bfd_is_com_section (syms[idx]->section)) |
7339 | && bfd_is_com_section (syms[idx]->section)) |
6743 | { |
7340 | { |
6744 | /* ELF common symbols put the alignment into the `value' field, |
7341 | /* ELF common symbols put the alignment into the `value' field, |
6745 | and the size into the `size' field. This is backwards from |
7342 | and the size into the `size' field. This is backwards from |
6746 | how BFD handles it, so reverse it here. */ |
7343 | how BFD handles it, so reverse it here. */ |
6747 | sym.st_size = value; |
7344 | sym.st_size = value; |
6748 | if (type_ptr == NULL |
7345 | if (type_ptr == NULL |
6749 | || type_ptr->internal_elf_sym.st_value == 0) |
7346 | || type_ptr->internal_elf_sym.st_value == 0) |
6750 | sym.st_value = value >= 16 ? 16 : (1 << bfd_log2 (value)); |
7347 | sym.st_value = value >= 16 ? 16 : (1 << bfd_log2 (value)); |
6751 | else |
7348 | else |
6752 | sym.st_value = type_ptr->internal_elf_sym.st_value; |
7349 | sym.st_value = type_ptr->internal_elf_sym.st_value; |
6753 | sym.st_shndx = _bfd_elf_section_from_bfd_section |
7350 | sym.st_shndx = _bfd_elf_section_from_bfd_section |
6754 | (abfd, syms[idx]->section); |
7351 | (abfd, syms[idx]->section); |
6755 | } |
7352 | } |
6756 | else |
7353 | else |
6757 | { |
7354 | { |
6758 | asection *sec = syms[idx]->section; |
7355 | asection *sec = syms[idx]->section; |
6759 | unsigned int shndx; |
7356 | unsigned int shndx; |
6760 | 7357 | ||
6761 | if (sec->output_section) |
7358 | if (sec->output_section) |
6762 | { |
7359 | { |
6763 | value += sec->output_offset; |
7360 | value += sec->output_offset; |
6764 | sec = sec->output_section; |
7361 | sec = sec->output_section; |
6765 | } |
7362 | } |
6766 | 7363 | ||
6767 | /* Don't add in the section vma for relocatable output. */ |
7364 | /* Don't add in the section vma for relocatable output. */ |
6768 | if (! relocatable_p) |
7365 | if (! relocatable_p) |
6769 | value += sec->vma; |
7366 | value += sec->vma; |
6770 | sym.st_value = value; |
7367 | sym.st_value = value; |
6771 | sym.st_size = type_ptr ? type_ptr->internal_elf_sym.st_size : 0; |
7368 | sym.st_size = type_ptr ? type_ptr->internal_elf_sym.st_size : 0; |
6772 | 7369 | ||
6773 | if (bfd_is_abs_section (sec) |
7370 | if (bfd_is_abs_section (sec) |
6774 | && type_ptr != NULL |
7371 | && type_ptr != NULL |
6775 | && type_ptr->internal_elf_sym.st_shndx != 0) |
7372 | && type_ptr->internal_elf_sym.st_shndx != 0) |
6776 | { |
7373 | { |
6777 | /* This symbol is in a real ELF section which we did |
7374 | /* This symbol is in a real ELF section which we did |
6778 | not create as a BFD section. Undo the mapping done |
7375 | not create as a BFD section. Undo the mapping done |
6779 | by copy_private_symbol_data. */ |
7376 | by copy_private_symbol_data. */ |
6780 | shndx = type_ptr->internal_elf_sym.st_shndx; |
7377 | shndx = type_ptr->internal_elf_sym.st_shndx; |
6781 | switch (shndx) |
7378 | switch (shndx) |
6782 | { |
7379 | { |
6783 | case MAP_ONESYMTAB: |
7380 | case MAP_ONESYMTAB: |
6784 | shndx = elf_onesymtab (abfd); |
7381 | shndx = elf_onesymtab (abfd); |
6785 | break; |
7382 | break; |
6786 | case MAP_DYNSYMTAB: |
7383 | case MAP_DYNSYMTAB: |
6787 | shndx = elf_dynsymtab (abfd); |
7384 | shndx = elf_dynsymtab (abfd); |
6788 | break; |
7385 | break; |
6789 | case MAP_STRTAB: |
7386 | case MAP_STRTAB: |
6790 | shndx = elf_strtab_sec (abfd); |
7387 | shndx = elf_strtab_sec (abfd); |
6791 | break; |
7388 | break; |
6792 | case MAP_SHSTRTAB: |
7389 | case MAP_SHSTRTAB: |
6793 | shndx = elf_shstrtab_sec (abfd); |
7390 | shndx = elf_shstrtab_sec (abfd); |
6794 | break; |
7391 | break; |
6795 | case MAP_SYM_SHNDX: |
7392 | case MAP_SYM_SHNDX: |
- | 7393 | if (elf_symtab_shndx_list (abfd)) |
|
6796 | shndx = elf_symtab_shndx (abfd); |
7394 | shndx = elf_symtab_shndx_list (abfd)->ndx; |
6797 | break; |
7395 | break; |
6798 | default: |
7396 | default: |
6799 | shndx = SHN_ABS; |
7397 | shndx = SHN_ABS; |
6800 | break; |
7398 | break; |
6801 | } |
7399 | } |
6802 | } |
7400 | } |
6803 | else |
7401 | else |
6804 | { |
7402 | { |
6805 | shndx = _bfd_elf_section_from_bfd_section (abfd, sec); |
7403 | shndx = _bfd_elf_section_from_bfd_section (abfd, sec); |
6806 | 7404 | ||
6807 | if (shndx == SHN_BAD) |
7405 | if (shndx == SHN_BAD) |
6808 | { |
7406 | { |
6809 | asection *sec2; |
7407 | asection *sec2; |
6810 | 7408 | ||
6811 | /* Writing this would be a hell of a lot easier if |
7409 | /* Writing this would be a hell of a lot easier if |
6812 | we had some decent documentation on bfd, and |
7410 | we had some decent documentation on bfd, and |
6813 | knew what to expect of the library, and what to |
7411 | knew what to expect of the library, and what to |
6814 | demand of applications. For example, it |
7412 | demand of applications. For example, it |
6815 | appears that `objcopy' might not set the |
7413 | appears that `objcopy' might not set the |
6816 | section of a symbol to be a section that is |
7414 | section of a symbol to be a section that is |
6817 | actually in the output file. */ |
7415 | actually in the output file. */ |
6818 | sec2 = bfd_get_section_by_name (abfd, sec->name); |
7416 | sec2 = bfd_get_section_by_name (abfd, sec->name); |
6819 | if (sec2 == NULL) |
7417 | if (sec2 == NULL) |
6820 | { |
7418 | { |
6821 | _bfd_error_handler (_("\ |
7419 | _bfd_error_handler (_("\ |
6822 | Unable to find equivalent output section for symbol '%s' from section '%s'"), |
7420 | Unable to find equivalent output section for symbol '%s' from section '%s'"), |
6823 | syms[idx]->name ? syms[idx]->name : " |
7421 | syms[idx]->name ? syms[idx]->name : " |
6824 | sec->name); |
7422 | sec->name); |
6825 | bfd_set_error (bfd_error_invalid_operation); |
7423 | bfd_set_error (bfd_error_invalid_operation); |
6826 | _bfd_stringtab_free (stt); |
- | |
6827 | return FALSE; |
7424 | goto error_return; |
6828 | } |
7425 | } |
6829 | 7426 | ||
6830 | shndx = _bfd_elf_section_from_bfd_section (abfd, sec2); |
7427 | shndx = _bfd_elf_section_from_bfd_section (abfd, sec2); |
6831 | BFD_ASSERT (shndx != SHN_BAD); |
7428 | BFD_ASSERT (shndx != SHN_BAD); |
6832 | } |
7429 | } |
6833 | } |
7430 | } |
6834 | 7431 | ||
6835 | sym.st_shndx = shndx; |
7432 | sym.st_shndx = shndx; |
6836 | } |
7433 | } |
6837 | 7434 | ||
6838 | if ((flags & BSF_THREAD_LOCAL) != 0) |
7435 | if ((flags & BSF_THREAD_LOCAL) != 0) |
6839 | type = STT_TLS; |
7436 | type = STT_TLS; |
6840 | else if ((flags & BSF_GNU_INDIRECT_FUNCTION) != 0) |
7437 | else if ((flags & BSF_GNU_INDIRECT_FUNCTION) != 0) |
6841 | type = STT_GNU_IFUNC; |
7438 | type = STT_GNU_IFUNC; |
6842 | else if ((flags & BSF_FUNCTION) != 0) |
7439 | else if ((flags & BSF_FUNCTION) != 0) |
6843 | type = STT_FUNC; |
7440 | type = STT_FUNC; |
6844 | else if ((flags & BSF_OBJECT) != 0) |
7441 | else if ((flags & BSF_OBJECT) != 0) |
6845 | type = STT_OBJECT; |
7442 | type = STT_OBJECT; |
6846 | else if ((flags & BSF_RELC) != 0) |
7443 | else if ((flags & BSF_RELC) != 0) |
6847 | type = STT_RELC; |
7444 | type = STT_RELC; |
6848 | else if ((flags & BSF_SRELC) != 0) |
7445 | else if ((flags & BSF_SRELC) != 0) |
6849 | type = STT_SRELC; |
7446 | type = STT_SRELC; |
6850 | else |
7447 | else |
6851 | type = STT_NOTYPE; |
7448 | type = STT_NOTYPE; |
6852 | 7449 | ||
6853 | if (syms[idx]->section->flags & SEC_THREAD_LOCAL) |
7450 | if (syms[idx]->section->flags & SEC_THREAD_LOCAL) |
6854 | type = STT_TLS; |
7451 | type = STT_TLS; |
6855 | 7452 | ||
6856 | /* Processor-specific types. */ |
7453 | /* Processor-specific types. */ |
6857 | if (type_ptr != NULL |
7454 | if (type_ptr != NULL |
6858 | && bed->elf_backend_get_symbol_type) |
7455 | && bed->elf_backend_get_symbol_type) |
6859 | type = ((*bed->elf_backend_get_symbol_type) |
7456 | type = ((*bed->elf_backend_get_symbol_type) |
6860 | (&type_ptr->internal_elf_sym, type)); |
7457 | (&type_ptr->internal_elf_sym, type)); |
6861 | 7458 | ||
6862 | if (flags & BSF_SECTION_SYM) |
7459 | if (flags & BSF_SECTION_SYM) |
6863 | { |
7460 | { |
6864 | if (flags & BSF_GLOBAL) |
7461 | if (flags & BSF_GLOBAL) |
6865 | sym.st_info = ELF_ST_INFO (STB_GLOBAL, STT_SECTION); |
7462 | sym.st_info = ELF_ST_INFO (STB_GLOBAL, STT_SECTION); |
6866 | else |
7463 | else |
6867 | sym.st_info = ELF_ST_INFO (STB_LOCAL, STT_SECTION); |
7464 | sym.st_info = ELF_ST_INFO (STB_LOCAL, STT_SECTION); |
6868 | } |
7465 | } |
6869 | else if (bfd_is_com_section (syms[idx]->section)) |
7466 | else if (bfd_is_com_section (syms[idx]->section)) |
6870 | { |
7467 | { |
6871 | #ifdef USE_STT_COMMON |
7468 | #ifdef USE_STT_COMMON |
6872 | if (type == STT_OBJECT) |
7469 | if (type == STT_OBJECT) |
6873 | sym.st_info = ELF_ST_INFO (STB_GLOBAL, STT_COMMON); |
7470 | sym.st_info = ELF_ST_INFO (STB_GLOBAL, STT_COMMON); |
6874 | else |
7471 | else |
6875 | #endif |
7472 | #endif |
6876 | sym.st_info = ELF_ST_INFO (STB_GLOBAL, type); |
7473 | sym.st_info = ELF_ST_INFO (STB_GLOBAL, type); |
6877 | } |
7474 | } |
6878 | else if (bfd_is_und_section (syms[idx]->section)) |
7475 | else if (bfd_is_und_section (syms[idx]->section)) |
6879 | sym.st_info = ELF_ST_INFO (((flags & BSF_WEAK) |
7476 | sym.st_info = ELF_ST_INFO (((flags & BSF_WEAK) |
6880 | ? STB_WEAK |
7477 | ? STB_WEAK |
6881 | : STB_GLOBAL), |
7478 | : STB_GLOBAL), |
6882 | type); |
7479 | type); |
6883 | else if (flags & BSF_FILE) |
7480 | else if (flags & BSF_FILE) |
6884 | sym.st_info = ELF_ST_INFO (STB_LOCAL, STT_FILE); |
7481 | sym.st_info = ELF_ST_INFO (STB_LOCAL, STT_FILE); |
6885 | else |
7482 | else |
6886 | { |
7483 | { |
6887 | int bind = STB_LOCAL; |
7484 | int bind = STB_LOCAL; |
6888 | 7485 | ||
6889 | if (flags & BSF_LOCAL) |
7486 | if (flags & BSF_LOCAL) |
6890 | bind = STB_LOCAL; |
7487 | bind = STB_LOCAL; |
6891 | else if (flags & BSF_GNU_UNIQUE) |
7488 | else if (flags & BSF_GNU_UNIQUE) |
6892 | bind = STB_GNU_UNIQUE; |
7489 | bind = STB_GNU_UNIQUE; |
6893 | else if (flags & BSF_WEAK) |
7490 | else if (flags & BSF_WEAK) |
6894 | bind = STB_WEAK; |
7491 | bind = STB_WEAK; |
6895 | else if (flags & BSF_GLOBAL) |
7492 | else if (flags & BSF_GLOBAL) |
6896 | bind = STB_GLOBAL; |
7493 | bind = STB_GLOBAL; |
6897 | 7494 | ||
6898 | sym.st_info = ELF_ST_INFO (bind, type); |
7495 | sym.st_info = ELF_ST_INFO (bind, type); |
6899 | } |
7496 | } |
6900 | 7497 | ||
6901 | if (type_ptr != NULL) |
7498 | if (type_ptr != NULL) |
6902 | { |
7499 | { |
6903 | sym.st_other = type_ptr->internal_elf_sym.st_other; |
7500 | sym.st_other = type_ptr->internal_elf_sym.st_other; |
6904 | sym.st_target_internal |
7501 | sym.st_target_internal |
6905 | = type_ptr->internal_elf_sym.st_target_internal; |
7502 | = type_ptr->internal_elf_sym.st_target_internal; |
6906 | } |
7503 | } |
6907 | else |
7504 | else |
6908 | { |
7505 | { |
6909 | sym.st_other = 0; |
7506 | sym.st_other = 0; |
6910 | sym.st_target_internal = 0; |
7507 | sym.st_target_internal = 0; |
6911 | } |
7508 | } |
- | 7509 | ||
- | 7510 | idx++; |
|
6912 | 7511 | symstrtab[idx].sym = sym; |
|
- | 7512 | symstrtab[idx].dest_index = outbound_syms_index; |
|
- | 7513 | symstrtab[idx].destshndx_index = outbound_shndx_index; |
|
6913 | bed->s->swap_symbol_out (abfd, &sym, outbound_syms, outbound_shndx); |
7514 | |
6914 | outbound_syms += bed->s->sizeof_sym; |
7515 | outbound_syms_index++; |
6915 | if (outbound_shndx != NULL) |
7516 | if (outbound_shndx != NULL) |
6916 | outbound_shndx += sizeof (Elf_External_Sym_Shndx); |
7517 | outbound_shndx_index++; |
- | 7518 | } |
|
- | 7519 | ||
- | 7520 | /* Finalize the .strtab section. */ |
|
- | 7521 | _bfd_elf_strtab_finalize (stt); |
|
- | 7522 | ||
- | 7523 | /* Swap out the .strtab section. */ |
|
- | 7524 | for (idx = 0; idx <= symcount; idx++) |
|
- | 7525 | { |
|
- | 7526 | struct elf_sym_strtab *elfsym = &symstrtab[idx]; |
|
- | 7527 | if (elfsym->sym.st_name == (unsigned long) -1) |
|
- | 7528 | elfsym->sym.st_name = 0; |
|
- | 7529 | else |
|
- | 7530 | elfsym->sym.st_name = _bfd_elf_strtab_offset (stt, |
|
- | 7531 | elfsym->sym.st_name); |
|
- | 7532 | bed->s->swap_symbol_out (abfd, &elfsym->sym, |
|
- | 7533 | (outbound_syms |
|
- | 7534 | + (elfsym->dest_index |
|
- | 7535 | * bed->s->sizeof_sym)), |
|
- | 7536 | (outbound_shndx |
|
- | 7537 | + (elfsym->destshndx_index |
|
- | 7538 | * sizeof (Elf_External_Sym_Shndx)))); |
|
- | 7539 | } |
|
6917 | } |
7540 | free (symstrtab); |
6918 | 7541 | ||
6919 | *sttp = stt; |
7542 | *sttp = stt; |
6920 | symstrtab_hdr->sh_size = _bfd_stringtab_size (stt); |
7543 | symstrtab_hdr->sh_size = _bfd_elf_strtab_size (stt); |
6921 | symstrtab_hdr->sh_type = SHT_STRTAB; |
7544 | symstrtab_hdr->sh_type = SHT_STRTAB; |
6922 | 7545 | ||
6923 | symstrtab_hdr->sh_flags = 0; |
7546 | symstrtab_hdr->sh_flags = 0; |
6924 | symstrtab_hdr->sh_addr = 0; |
7547 | symstrtab_hdr->sh_addr = 0; |
6925 | symstrtab_hdr->sh_entsize = 0; |
7548 | symstrtab_hdr->sh_entsize = 0; |
6926 | symstrtab_hdr->sh_link = 0; |
7549 | symstrtab_hdr->sh_link = 0; |
6927 | symstrtab_hdr->sh_info = 0; |
7550 | symstrtab_hdr->sh_info = 0; |
6928 | symstrtab_hdr->sh_addralign = 1; |
7551 | symstrtab_hdr->sh_addralign = 1; |
6929 | 7552 | ||
6930 | return TRUE; |
7553 | return TRUE; |
6931 | } |
7554 | } |
6932 | 7555 | ||
6933 | /* Return the number of bytes required to hold the symtab vector. |
7556 | /* Return the number of bytes required to hold the symtab vector. |
6934 | 7557 | ||
6935 | Note that we base it on the count plus 1, since we will null terminate |
7558 | Note that we base it on the count plus 1, since we will null terminate |
6936 | the vector allocated based on this size. However, the ELF symbol table |
7559 | the vector allocated based on this size. However, the ELF symbol table |
6937 | always has a dummy entry as symbol #0, so it ends up even. */ |
7560 | always has a dummy entry as symbol #0, so it ends up even. */ |
6938 | 7561 | ||
6939 | long |
7562 | long |
6940 | _bfd_elf_get_symtab_upper_bound (bfd *abfd) |
7563 | _bfd_elf_get_symtab_upper_bound (bfd *abfd) |
6941 | { |
7564 | { |
6942 | long symcount; |
7565 | long symcount; |
6943 | long symtab_size; |
7566 | long symtab_size; |
6944 | Elf_Internal_Shdr *hdr = &elf_tdata (abfd)->symtab_hdr; |
7567 | Elf_Internal_Shdr *hdr = &elf_tdata (abfd)->symtab_hdr; |
6945 | 7568 | ||
6946 | symcount = hdr->sh_size / get_elf_backend_data (abfd)->s->sizeof_sym; |
7569 | symcount = hdr->sh_size / get_elf_backend_data (abfd)->s->sizeof_sym; |
6947 | symtab_size = (symcount + 1) * (sizeof (asymbol *)); |
7570 | symtab_size = (symcount + 1) * (sizeof (asymbol *)); |
6948 | if (symcount > 0) |
7571 | if (symcount > 0) |
6949 | symtab_size -= sizeof (asymbol *); |
7572 | symtab_size -= sizeof (asymbol *); |
6950 | 7573 | ||
6951 | return symtab_size; |
7574 | return symtab_size; |
6952 | } |
7575 | } |
6953 | 7576 | ||
6954 | long |
7577 | long |
6955 | _bfd_elf_get_dynamic_symtab_upper_bound (bfd *abfd) |
7578 | _bfd_elf_get_dynamic_symtab_upper_bound (bfd *abfd) |
6956 | { |
7579 | { |
6957 | long symcount; |
7580 | long symcount; |
6958 | long symtab_size; |
7581 | long symtab_size; |
6959 | Elf_Internal_Shdr *hdr = &elf_tdata (abfd)->dynsymtab_hdr; |
7582 | Elf_Internal_Shdr *hdr = &elf_tdata (abfd)->dynsymtab_hdr; |
6960 | 7583 | ||
6961 | if (elf_dynsymtab (abfd) == 0) |
7584 | if (elf_dynsymtab (abfd) == 0) |
6962 | { |
7585 | { |
6963 | bfd_set_error (bfd_error_invalid_operation); |
7586 | bfd_set_error (bfd_error_invalid_operation); |
6964 | return -1; |
7587 | return -1; |
6965 | } |
7588 | } |
6966 | 7589 | ||
6967 | symcount = hdr->sh_size / get_elf_backend_data (abfd)->s->sizeof_sym; |
7590 | symcount = hdr->sh_size / get_elf_backend_data (abfd)->s->sizeof_sym; |
6968 | symtab_size = (symcount + 1) * (sizeof (asymbol *)); |
7591 | symtab_size = (symcount + 1) * (sizeof (asymbol *)); |
6969 | if (symcount > 0) |
7592 | if (symcount > 0) |
6970 | symtab_size -= sizeof (asymbol *); |
7593 | symtab_size -= sizeof (asymbol *); |
6971 | 7594 | ||
6972 | return symtab_size; |
7595 | return symtab_size; |
6973 | } |
7596 | } |
6974 | 7597 | ||
6975 | long |
7598 | long |
6976 | _bfd_elf_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, |
7599 | _bfd_elf_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, |
6977 | sec_ptr asect) |
7600 | sec_ptr asect) |
6978 | { |
7601 | { |
6979 | return (asect->reloc_count + 1) * sizeof (arelent *); |
7602 | return (asect->reloc_count + 1) * sizeof (arelent *); |
6980 | } |
7603 | } |
6981 | 7604 | ||
6982 | /* Canonicalize the relocs. */ |
7605 | /* Canonicalize the relocs. */ |
6983 | 7606 | ||
6984 | long |
7607 | long |
6985 | _bfd_elf_canonicalize_reloc (bfd *abfd, |
7608 | _bfd_elf_canonicalize_reloc (bfd *abfd, |
6986 | sec_ptr section, |
7609 | sec_ptr section, |
6987 | arelent **relptr, |
7610 | arelent **relptr, |
6988 | asymbol **symbols) |
7611 | asymbol **symbols) |
6989 | { |
7612 | { |
6990 | arelent *tblptr; |
7613 | arelent *tblptr; |
6991 | unsigned int i; |
7614 | unsigned int i; |
6992 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
7615 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
6993 | 7616 | ||
6994 | if (! bed->s->slurp_reloc_table (abfd, section, symbols, FALSE)) |
7617 | if (! bed->s->slurp_reloc_table (abfd, section, symbols, FALSE)) |
6995 | return -1; |
7618 | return -1; |
6996 | 7619 | ||
6997 | tblptr = section->relocation; |
7620 | tblptr = section->relocation; |
6998 | for (i = 0; i < section->reloc_count; i++) |
7621 | for (i = 0; i < section->reloc_count; i++) |
6999 | *relptr++ = tblptr++; |
7622 | *relptr++ = tblptr++; |
7000 | 7623 | ||
7001 | *relptr = NULL; |
7624 | *relptr = NULL; |
7002 | 7625 | ||
7003 | return section->reloc_count; |
7626 | return section->reloc_count; |
7004 | } |
7627 | } |
7005 | 7628 | ||
7006 | long |
7629 | long |
7007 | _bfd_elf_canonicalize_symtab (bfd *abfd, asymbol **allocation) |
7630 | _bfd_elf_canonicalize_symtab (bfd *abfd, asymbol **allocation) |
7008 | { |
7631 | { |
7009 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
7632 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
7010 | long symcount = bed->s->slurp_symbol_table (abfd, allocation, FALSE); |
7633 | long symcount = bed->s->slurp_symbol_table (abfd, allocation, FALSE); |
7011 | 7634 | ||
7012 | if (symcount >= 0) |
7635 | if (symcount >= 0) |
7013 | bfd_get_symcount (abfd) = symcount; |
7636 | bfd_get_symcount (abfd) = symcount; |
7014 | return symcount; |
7637 | return symcount; |
7015 | } |
7638 | } |
7016 | 7639 | ||
7017 | long |
7640 | long |
7018 | _bfd_elf_canonicalize_dynamic_symtab (bfd *abfd, |
7641 | _bfd_elf_canonicalize_dynamic_symtab (bfd *abfd, |
7019 | asymbol **allocation) |
7642 | asymbol **allocation) |
7020 | { |
7643 | { |
7021 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
7644 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
7022 | long symcount = bed->s->slurp_symbol_table (abfd, allocation, TRUE); |
7645 | long symcount = bed->s->slurp_symbol_table (abfd, allocation, TRUE); |
7023 | 7646 | ||
7024 | if (symcount >= 0) |
7647 | if (symcount >= 0) |
7025 | bfd_get_dynamic_symcount (abfd) = symcount; |
7648 | bfd_get_dynamic_symcount (abfd) = symcount; |
7026 | return symcount; |
7649 | return symcount; |
7027 | } |
7650 | } |
7028 | 7651 | ||
7029 | /* Return the size required for the dynamic reloc entries. Any loadable |
7652 | /* Return the size required for the dynamic reloc entries. Any loadable |
7030 | section that was actually installed in the BFD, and has type SHT_REL |
7653 | section that was actually installed in the BFD, and has type SHT_REL |
7031 | or SHT_RELA, and uses the dynamic symbol table, is considered to be a |
7654 | or SHT_RELA, and uses the dynamic symbol table, is considered to be a |
7032 | dynamic reloc section. */ |
7655 | dynamic reloc section. */ |
7033 | 7656 | ||
7034 | long |
7657 | long |
7035 | _bfd_elf_get_dynamic_reloc_upper_bound (bfd *abfd) |
7658 | _bfd_elf_get_dynamic_reloc_upper_bound (bfd *abfd) |
7036 | { |
7659 | { |
7037 | long ret; |
7660 | long ret; |
7038 | asection *s; |
7661 | asection *s; |
7039 | 7662 | ||
7040 | if (elf_dynsymtab (abfd) == 0) |
7663 | if (elf_dynsymtab (abfd) == 0) |
7041 | { |
7664 | { |
7042 | bfd_set_error (bfd_error_invalid_operation); |
7665 | bfd_set_error (bfd_error_invalid_operation); |
7043 | return -1; |
7666 | return -1; |
7044 | } |
7667 | } |
7045 | 7668 | ||
7046 | ret = sizeof (arelent *); |
7669 | ret = sizeof (arelent *); |
7047 | for (s = abfd->sections; s != NULL; s = s->next) |
7670 | for (s = abfd->sections; s != NULL; s = s->next) |
7048 | if (elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd) |
7671 | if (elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd) |
7049 | && (elf_section_data (s)->this_hdr.sh_type == SHT_REL |
7672 | && (elf_section_data (s)->this_hdr.sh_type == SHT_REL |
7050 | || elf_section_data (s)->this_hdr.sh_type == SHT_RELA)) |
7673 | || elf_section_data (s)->this_hdr.sh_type == SHT_RELA)) |
7051 | ret += ((s->size / elf_section_data (s)->this_hdr.sh_entsize) |
7674 | ret += ((s->size / elf_section_data (s)->this_hdr.sh_entsize) |
7052 | * sizeof (arelent *)); |
7675 | * sizeof (arelent *)); |
7053 | 7676 | ||
7054 | return ret; |
7677 | return ret; |
7055 | } |
7678 | } |
7056 | 7679 | ||
7057 | /* Canonicalize the dynamic relocation entries. Note that we return the |
7680 | /* Canonicalize the dynamic relocation entries. Note that we return the |
7058 | dynamic relocations as a single block, although they are actually |
7681 | dynamic relocations as a single block, although they are actually |
7059 | associated with particular sections; the interface, which was |
7682 | associated with particular sections; the interface, which was |
7060 | designed for SunOS style shared libraries, expects that there is only |
7683 | designed for SunOS style shared libraries, expects that there is only |
7061 | one set of dynamic relocs. Any loadable section that was actually |
7684 | one set of dynamic relocs. Any loadable section that was actually |
7062 | installed in the BFD, and has type SHT_REL or SHT_RELA, and uses the |
7685 | installed in the BFD, and has type SHT_REL or SHT_RELA, and uses the |
7063 | dynamic symbol table, is considered to be a dynamic reloc section. */ |
7686 | dynamic symbol table, is considered to be a dynamic reloc section. */ |
7064 | 7687 | ||
7065 | long |
7688 | long |
7066 | _bfd_elf_canonicalize_dynamic_reloc (bfd *abfd, |
7689 | _bfd_elf_canonicalize_dynamic_reloc (bfd *abfd, |
7067 | arelent **storage, |
7690 | arelent **storage, |
7068 | asymbol **syms) |
7691 | asymbol **syms) |
7069 | { |
7692 | { |
7070 | bfd_boolean (*slurp_relocs) (bfd *, asection *, asymbol **, bfd_boolean); |
7693 | bfd_boolean (*slurp_relocs) (bfd *, asection *, asymbol **, bfd_boolean); |
7071 | asection *s; |
7694 | asection *s; |
7072 | long ret; |
7695 | long ret; |
7073 | 7696 | ||
7074 | if (elf_dynsymtab (abfd) == 0) |
7697 | if (elf_dynsymtab (abfd) == 0) |
7075 | { |
7698 | { |
7076 | bfd_set_error (bfd_error_invalid_operation); |
7699 | bfd_set_error (bfd_error_invalid_operation); |
7077 | return -1; |
7700 | return -1; |
7078 | } |
7701 | } |
7079 | 7702 | ||
7080 | slurp_relocs = get_elf_backend_data (abfd)->s->slurp_reloc_table; |
7703 | slurp_relocs = get_elf_backend_data (abfd)->s->slurp_reloc_table; |
7081 | ret = 0; |
7704 | ret = 0; |
7082 | for (s = abfd->sections; s != NULL; s = s->next) |
7705 | for (s = abfd->sections; s != NULL; s = s->next) |
7083 | { |
7706 | { |
7084 | if (elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd) |
7707 | if (elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd) |
7085 | && (elf_section_data (s)->this_hdr.sh_type == SHT_REL |
7708 | && (elf_section_data (s)->this_hdr.sh_type == SHT_REL |
7086 | || elf_section_data (s)->this_hdr.sh_type == SHT_RELA)) |
7709 | || elf_section_data (s)->this_hdr.sh_type == SHT_RELA)) |
7087 | { |
7710 | { |
7088 | arelent *p; |
7711 | arelent *p; |
7089 | long count, i; |
7712 | long count, i; |
7090 | 7713 | ||
7091 | if (! (*slurp_relocs) (abfd, s, syms, TRUE)) |
7714 | if (! (*slurp_relocs) (abfd, s, syms, TRUE)) |
7092 | return -1; |
7715 | return -1; |
7093 | count = s->size / elf_section_data (s)->this_hdr.sh_entsize; |
7716 | count = s->size / elf_section_data (s)->this_hdr.sh_entsize; |
7094 | p = s->relocation; |
7717 | p = s->relocation; |
7095 | for (i = 0; i < count; i++) |
7718 | for (i = 0; i < count; i++) |
7096 | *storage++ = p++; |
7719 | *storage++ = p++; |
7097 | ret += count; |
7720 | ret += count; |
7098 | } |
7721 | } |
7099 | } |
7722 | } |
7100 | 7723 | ||
7101 | *storage = NULL; |
7724 | *storage = NULL; |
7102 | 7725 | ||
7103 | return ret; |
7726 | return ret; |
7104 | } |
7727 | } |
7105 | 7728 | ||
7106 | /* Read in the version information. */ |
7729 | /* Read in the version information. */ |
7107 | 7730 | ||
7108 | bfd_boolean |
7731 | bfd_boolean |
7109 | _bfd_elf_slurp_version_tables (bfd *abfd, bfd_boolean default_imported_symver) |
7732 | _bfd_elf_slurp_version_tables (bfd *abfd, bfd_boolean default_imported_symver) |
7110 | { |
7733 | { |
7111 | bfd_byte *contents = NULL; |
7734 | bfd_byte *contents = NULL; |
7112 | unsigned int freeidx = 0; |
7735 | unsigned int freeidx = 0; |
7113 | 7736 | ||
7114 | if (elf_dynverref (abfd) != 0) |
7737 | if (elf_dynverref (abfd) != 0) |
7115 | { |
7738 | { |
7116 | Elf_Internal_Shdr *hdr; |
7739 | Elf_Internal_Shdr *hdr; |
7117 | Elf_External_Verneed *everneed; |
7740 | Elf_External_Verneed *everneed; |
7118 | Elf_Internal_Verneed *iverneed; |
7741 | Elf_Internal_Verneed *iverneed; |
7119 | unsigned int i; |
7742 | unsigned int i; |
7120 | bfd_byte *contents_end; |
7743 | bfd_byte *contents_end; |
7121 | 7744 | ||
7122 | hdr = &elf_tdata (abfd)->dynverref_hdr; |
7745 | hdr = &elf_tdata (abfd)->dynverref_hdr; |
7123 | - | ||
7124 | elf_tdata (abfd)->verref = (Elf_Internal_Verneed *) |
7746 | |
7125 | bfd_zalloc2 (abfd, hdr->sh_info, sizeof (Elf_Internal_Verneed)); |
- | |
7126 | if (elf_tdata (abfd)->verref == NULL) |
- | |
7127 | goto error_return; |
- | |
7128 | - | ||
7129 | elf_tdata (abfd)->cverrefs = hdr->sh_info; |
- | |
7130 | - | ||
7131 | contents = (bfd_byte *) bfd_malloc (hdr->sh_size); |
- | |
7132 | if (contents == NULL) |
7747 | if (hdr->sh_info == 0 || hdr->sh_size < sizeof (Elf_External_Verneed)) |
- | 7748 | { |
|
- | 7749 | error_return_bad_verref: |
|
- | 7750 | (*_bfd_error_handler) |
|
- | 7751 | (_("%B: .gnu.version_r invalid entry"), abfd); |
|
7133 | { |
7752 | bfd_set_error (bfd_error_bad_value); |
7134 | error_return_verref: |
7753 | error_return_verref: |
7135 | elf_tdata (abfd)->verref = NULL; |
7754 | elf_tdata (abfd)->verref = NULL; |
7136 | elf_tdata (abfd)->cverrefs = 0; |
7755 | elf_tdata (abfd)->cverrefs = 0; |
7137 | goto error_return; |
7756 | goto error_return; |
7138 | } |
7757 | } |
- | 7758 | ||
- | 7759 | contents = (bfd_byte *) bfd_malloc (hdr->sh_size); |
|
- | 7760 | if (contents == NULL) |
|
- | 7761 | goto error_return_verref; |
|
- | 7762 | ||
7139 | if (bfd_seek (abfd, hdr->sh_offset, SEEK_SET) != 0 |
7763 | if (bfd_seek (abfd, hdr->sh_offset, SEEK_SET) != 0 |
7140 | || bfd_bread (contents, hdr->sh_size, abfd) != hdr->sh_size) |
7764 | || bfd_bread (contents, hdr->sh_size, abfd) != hdr->sh_size) |
7141 | goto error_return_verref; |
7765 | goto error_return_verref; |
- | 7766 | ||
7142 | 7767 | elf_tdata (abfd)->verref = (Elf_Internal_Verneed *) |
|
- | 7768 | bfd_zalloc2 (abfd, hdr->sh_info, sizeof (Elf_Internal_Verneed)); |
|
- | 7769 | ||
7143 | if (hdr->sh_info && hdr->sh_size < sizeof (Elf_External_Verneed)) |
7770 | if (elf_tdata (abfd)->verref == NULL) |
7144 | goto error_return_verref; |
7771 | goto error_return_verref; |
7145 | 7772 | ||
7146 | BFD_ASSERT (sizeof (Elf_External_Verneed) |
7773 | BFD_ASSERT (sizeof (Elf_External_Verneed) |
7147 | == sizeof (Elf_External_Vernaux)); |
7774 | == sizeof (Elf_External_Vernaux)); |
7148 | contents_end = contents + hdr->sh_size - sizeof (Elf_External_Verneed); |
7775 | contents_end = contents + hdr->sh_size - sizeof (Elf_External_Verneed); |
7149 | everneed = (Elf_External_Verneed *) contents; |
7776 | everneed = (Elf_External_Verneed *) contents; |
7150 | iverneed = elf_tdata (abfd)->verref; |
7777 | iverneed = elf_tdata (abfd)->verref; |
7151 | for (i = 0; i < hdr->sh_info; i++, iverneed++) |
7778 | for (i = 0; i < hdr->sh_info; i++, iverneed++) |
7152 | { |
7779 | { |
7153 | Elf_External_Vernaux *evernaux; |
7780 | Elf_External_Vernaux *evernaux; |
7154 | Elf_Internal_Vernaux *ivernaux; |
7781 | Elf_Internal_Vernaux *ivernaux; |
7155 | unsigned int j; |
7782 | unsigned int j; |
7156 | 7783 | ||
7157 | _bfd_elf_swap_verneed_in (abfd, everneed, iverneed); |
7784 | _bfd_elf_swap_verneed_in (abfd, everneed, iverneed); |
7158 | 7785 | ||
7159 | iverneed->vn_bfd = abfd; |
7786 | iverneed->vn_bfd = abfd; |
7160 | 7787 | ||
7161 | iverneed->vn_filename = |
7788 | iverneed->vn_filename = |
7162 | bfd_elf_string_from_elf_section (abfd, hdr->sh_link, |
7789 | bfd_elf_string_from_elf_section (abfd, hdr->sh_link, |
7163 | iverneed->vn_file); |
7790 | iverneed->vn_file); |
7164 | if (iverneed->vn_filename == NULL) |
7791 | if (iverneed->vn_filename == NULL) |
7165 | goto error_return_verref; |
7792 | goto error_return_bad_verref; |
7166 | 7793 | ||
7167 | if (iverneed->vn_cnt == 0) |
7794 | if (iverneed->vn_cnt == 0) |
7168 | iverneed->vn_auxptr = NULL; |
7795 | iverneed->vn_auxptr = NULL; |
7169 | else |
7796 | else |
7170 | { |
7797 | { |
7171 | iverneed->vn_auxptr = (struct elf_internal_vernaux *) |
7798 | iverneed->vn_auxptr = (struct elf_internal_vernaux *) |
7172 | bfd_alloc2 (abfd, iverneed->vn_cnt, |
7799 | bfd_alloc2 (abfd, iverneed->vn_cnt, |
7173 | sizeof (Elf_Internal_Vernaux)); |
7800 | sizeof (Elf_Internal_Vernaux)); |
7174 | if (iverneed->vn_auxptr == NULL) |
7801 | if (iverneed->vn_auxptr == NULL) |
7175 | goto error_return_verref; |
7802 | goto error_return_verref; |
7176 | } |
7803 | } |
7177 | 7804 | ||
7178 | if (iverneed->vn_aux |
7805 | if (iverneed->vn_aux |
7179 | > (size_t) (contents_end - (bfd_byte *) everneed)) |
7806 | > (size_t) (contents_end - (bfd_byte *) everneed)) |
7180 | goto error_return_verref; |
7807 | goto error_return_bad_verref; |
7181 | 7808 | ||
7182 | evernaux = ((Elf_External_Vernaux *) |
7809 | evernaux = ((Elf_External_Vernaux *) |
7183 | ((bfd_byte *) everneed + iverneed->vn_aux)); |
7810 | ((bfd_byte *) everneed + iverneed->vn_aux)); |
7184 | ivernaux = iverneed->vn_auxptr; |
7811 | ivernaux = iverneed->vn_auxptr; |
7185 | for (j = 0; j < iverneed->vn_cnt; j++, ivernaux++) |
7812 | for (j = 0; j < iverneed->vn_cnt; j++, ivernaux++) |
7186 | { |
7813 | { |
7187 | _bfd_elf_swap_vernaux_in (abfd, evernaux, ivernaux); |
7814 | _bfd_elf_swap_vernaux_in (abfd, evernaux, ivernaux); |
7188 | 7815 | ||
7189 | ivernaux->vna_nodename = |
7816 | ivernaux->vna_nodename = |
7190 | bfd_elf_string_from_elf_section (abfd, hdr->sh_link, |
7817 | bfd_elf_string_from_elf_section (abfd, hdr->sh_link, |
7191 | ivernaux->vna_name); |
7818 | ivernaux->vna_name); |
7192 | if (ivernaux->vna_nodename == NULL) |
7819 | if (ivernaux->vna_nodename == NULL) |
7193 | goto error_return_verref; |
7820 | goto error_return_bad_verref; |
- | 7821 | ||
- | 7822 | if (ivernaux->vna_other > freeidx) |
|
- | 7823 | freeidx = ivernaux->vna_other; |
|
- | 7824 | ||
- | 7825 | ivernaux->vna_nextptr = NULL; |
|
- | 7826 | if (ivernaux->vna_next == 0) |
|
- | 7827 | { |
|
- | 7828 | iverneed->vn_cnt = j + 1; |
|
- | 7829 | break; |
|
7194 | 7830 | } |
|
7195 | if (j + 1 < iverneed->vn_cnt) |
7831 | if (j + 1 < iverneed->vn_cnt) |
7196 | ivernaux->vna_nextptr = ivernaux + 1; |
- | |
7197 | else |
- | |
7198 | ivernaux->vna_nextptr = NULL; |
7832 | ivernaux->vna_nextptr = ivernaux + 1; |
7199 | 7833 | ||
7200 | if (ivernaux->vna_next |
7834 | if (ivernaux->vna_next |
7201 | > (size_t) (contents_end - (bfd_byte *) evernaux)) |
7835 | > (size_t) (contents_end - (bfd_byte *) evernaux)) |
7202 | goto error_return_verref; |
7836 | goto error_return_bad_verref; |
7203 | 7837 | ||
7204 | evernaux = ((Elf_External_Vernaux *) |
7838 | evernaux = ((Elf_External_Vernaux *) |
7205 | ((bfd_byte *) evernaux + ivernaux->vna_next)); |
7839 | ((bfd_byte *) evernaux + ivernaux->vna_next)); |
7206 | - | ||
7207 | if (ivernaux->vna_other > freeidx) |
- | |
7208 | freeidx = ivernaux->vna_other; |
- | |
7209 | } |
7840 | } |
- | 7841 | ||
- | 7842 | iverneed->vn_nextref = NULL; |
|
- | 7843 | if (iverneed->vn_next == 0) |
|
7210 | 7844 | break; |
|
7211 | if (i + 1 < hdr->sh_info) |
7845 | if (i + 1 < hdr->sh_info) |
7212 | iverneed->vn_nextref = iverneed + 1; |
- | |
7213 | else |
- | |
7214 | iverneed->vn_nextref = NULL; |
7846 | iverneed->vn_nextref = iverneed + 1; |
7215 | 7847 | ||
7216 | if (iverneed->vn_next |
7848 | if (iverneed->vn_next |
7217 | > (size_t) (contents_end - (bfd_byte *) everneed)) |
7849 | > (size_t) (contents_end - (bfd_byte *) everneed)) |
7218 | goto error_return_verref; |
7850 | goto error_return_bad_verref; |
7219 | 7851 | ||
7220 | everneed = ((Elf_External_Verneed *) |
7852 | everneed = ((Elf_External_Verneed *) |
7221 | ((bfd_byte *) everneed + iverneed->vn_next)); |
7853 | ((bfd_byte *) everneed + iverneed->vn_next)); |
7222 | } |
7854 | } |
- | 7855 | elf_tdata (abfd)->cverrefs = i; |
|
7223 | 7856 | ||
7224 | free (contents); |
7857 | free (contents); |
7225 | contents = NULL; |
7858 | contents = NULL; |
7226 | } |
7859 | } |
7227 | 7860 | ||
7228 | if (elf_dynverdef (abfd) != 0) |
7861 | if (elf_dynverdef (abfd) != 0) |
7229 | { |
7862 | { |
7230 | Elf_Internal_Shdr *hdr; |
7863 | Elf_Internal_Shdr *hdr; |
7231 | Elf_External_Verdef *everdef; |
7864 | Elf_External_Verdef *everdef; |
7232 | Elf_Internal_Verdef *iverdef; |
7865 | Elf_Internal_Verdef *iverdef; |
7233 | Elf_Internal_Verdef *iverdefarr; |
7866 | Elf_Internal_Verdef *iverdefarr; |
7234 | Elf_Internal_Verdef iverdefmem; |
7867 | Elf_Internal_Verdef iverdefmem; |
7235 | unsigned int i; |
7868 | unsigned int i; |
7236 | unsigned int maxidx; |
7869 | unsigned int maxidx; |
7237 | bfd_byte *contents_end_def, *contents_end_aux; |
7870 | bfd_byte *contents_end_def, *contents_end_aux; |
7238 | 7871 | ||
7239 | hdr = &elf_tdata (abfd)->dynverdef_hdr; |
7872 | hdr = &elf_tdata (abfd)->dynverdef_hdr; |
- | 7873 | ||
- | 7874 | if (hdr->sh_info == 0 || hdr->sh_size < sizeof (Elf_External_Verdef)) |
|
- | 7875 | { |
|
- | 7876 | error_return_bad_verdef: |
|
- | 7877 | (*_bfd_error_handler) |
|
- | 7878 | (_("%B: .gnu.version_d invalid entry"), abfd); |
|
- | 7879 | bfd_set_error (bfd_error_bad_value); |
|
- | 7880 | error_return_verdef: |
|
- | 7881 | elf_tdata (abfd)->verdef = NULL; |
|
- | 7882 | elf_tdata (abfd)->cverdefs = 0; |
|
- | 7883 | goto error_return; |
|
- | 7884 | } |
|
7240 | 7885 | ||
7241 | contents = (bfd_byte *) bfd_malloc (hdr->sh_size); |
7886 | contents = (bfd_byte *) bfd_malloc (hdr->sh_size); |
7242 | if (contents == NULL) |
7887 | if (contents == NULL) |
7243 | goto error_return; |
7888 | goto error_return_verdef; |
7244 | if (bfd_seek (abfd, hdr->sh_offset, SEEK_SET) != 0 |
7889 | if (bfd_seek (abfd, hdr->sh_offset, SEEK_SET) != 0 |
7245 | || bfd_bread (contents, hdr->sh_size, abfd) != hdr->sh_size) |
- | |
7246 | goto error_return; |
- | |
7247 | - | ||
7248 | if (hdr->sh_info && hdr->sh_size < sizeof (Elf_External_Verdef)) |
7890 | || bfd_bread (contents, hdr->sh_size, abfd) != hdr->sh_size) |
7249 | goto error_return; |
7891 | goto error_return_verdef; |
7250 | 7892 | ||
7251 | BFD_ASSERT (sizeof (Elf_External_Verdef) |
7893 | BFD_ASSERT (sizeof (Elf_External_Verdef) |
7252 | >= sizeof (Elf_External_Verdaux)); |
7894 | >= sizeof (Elf_External_Verdaux)); |
7253 | contents_end_def = contents + hdr->sh_size |
7895 | contents_end_def = contents + hdr->sh_size |
7254 | - sizeof (Elf_External_Verdef); |
7896 | - sizeof (Elf_External_Verdef); |
7255 | contents_end_aux = contents + hdr->sh_size |
7897 | contents_end_aux = contents + hdr->sh_size |
7256 | - sizeof (Elf_External_Verdaux); |
7898 | - sizeof (Elf_External_Verdaux); |
7257 | 7899 | ||
7258 | /* We know the number of entries in the section but not the maximum |
7900 | /* We know the number of entries in the section but not the maximum |
7259 | index. Therefore we have to run through all entries and find |
7901 | index. Therefore we have to run through all entries and find |
7260 | the maximum. */ |
7902 | the maximum. */ |
7261 | everdef = (Elf_External_Verdef *) contents; |
7903 | everdef = (Elf_External_Verdef *) contents; |
7262 | maxidx = 0; |
7904 | maxidx = 0; |
7263 | for (i = 0; i < hdr->sh_info; ++i) |
7905 | for (i = 0; i < hdr->sh_info; ++i) |
7264 | { |
7906 | { |
7265 | _bfd_elf_swap_verdef_in (abfd, everdef, &iverdefmem); |
7907 | _bfd_elf_swap_verdef_in (abfd, everdef, &iverdefmem); |
- | 7908 | ||
- | 7909 | if ((iverdefmem.vd_ndx & ((unsigned) VERSYM_VERSION)) == 0) |
|
7266 | 7910 | goto error_return_bad_verdef; |
|
7267 | if ((iverdefmem.vd_ndx & ((unsigned) VERSYM_VERSION)) > maxidx) |
7911 | if ((iverdefmem.vd_ndx & ((unsigned) VERSYM_VERSION)) > maxidx) |
7268 | maxidx = iverdefmem.vd_ndx & ((unsigned) VERSYM_VERSION); |
7912 | maxidx = iverdefmem.vd_ndx & ((unsigned) VERSYM_VERSION); |
- | 7913 | ||
- | 7914 | if (iverdefmem.vd_next == 0) |
|
- | 7915 | break; |
|
7269 | 7916 | ||
7270 | if (iverdefmem.vd_next |
7917 | if (iverdefmem.vd_next |
7271 | > (size_t) (contents_end_def - (bfd_byte *) everdef)) |
7918 | > (size_t) (contents_end_def - (bfd_byte *) everdef)) |
7272 | goto error_return; |
7919 | goto error_return_bad_verdef; |
7273 | 7920 | ||
7274 | everdef = ((Elf_External_Verdef *) |
7921 | everdef = ((Elf_External_Verdef *) |
7275 | ((bfd_byte *) everdef + iverdefmem.vd_next)); |
7922 | ((bfd_byte *) everdef + iverdefmem.vd_next)); |
7276 | } |
7923 | } |
7277 | 7924 | ||
7278 | if (default_imported_symver) |
7925 | if (default_imported_symver) |
7279 | { |
7926 | { |
7280 | if (freeidx > maxidx) |
7927 | if (freeidx > maxidx) |
7281 | maxidx = ++freeidx; |
7928 | maxidx = ++freeidx; |
7282 | else |
7929 | else |
7283 | freeidx = ++maxidx; |
7930 | freeidx = ++maxidx; |
7284 | } |
7931 | } |
- | 7932 | ||
7285 | elf_tdata (abfd)->verdef = (Elf_Internal_Verdef *) |
7933 | elf_tdata (abfd)->verdef = (Elf_Internal_Verdef *) |
7286 | bfd_zalloc2 (abfd, maxidx, sizeof (Elf_Internal_Verdef)); |
7934 | bfd_zalloc2 (abfd, maxidx, sizeof (Elf_Internal_Verdef)); |
7287 | if (elf_tdata (abfd)->verdef == NULL) |
7935 | if (elf_tdata (abfd)->verdef == NULL) |
7288 | goto error_return; |
7936 | goto error_return_verdef; |
7289 | 7937 | ||
7290 | elf_tdata (abfd)->cverdefs = maxidx; |
7938 | elf_tdata (abfd)->cverdefs = maxidx; |
7291 | 7939 | ||
7292 | everdef = (Elf_External_Verdef *) contents; |
7940 | everdef = (Elf_External_Verdef *) contents; |
7293 | iverdefarr = elf_tdata (abfd)->verdef; |
7941 | iverdefarr = elf_tdata (abfd)->verdef; |
7294 | for (i = 0; i < hdr->sh_info; i++) |
7942 | for (i = 0; i < hdr->sh_info; i++) |
7295 | { |
7943 | { |
7296 | Elf_External_Verdaux *everdaux; |
7944 | Elf_External_Verdaux *everdaux; |
7297 | Elf_Internal_Verdaux *iverdaux; |
7945 | Elf_Internal_Verdaux *iverdaux; |
7298 | unsigned int j; |
7946 | unsigned int j; |
7299 | 7947 | ||
7300 | _bfd_elf_swap_verdef_in (abfd, everdef, &iverdefmem); |
7948 | _bfd_elf_swap_verdef_in (abfd, everdef, &iverdefmem); |
7301 | 7949 | ||
7302 | if ((iverdefmem.vd_ndx & VERSYM_VERSION) == 0) |
7950 | if ((iverdefmem.vd_ndx & VERSYM_VERSION) == 0) |
7303 | { |
- | |
7304 | error_return_verdef: |
- | |
7305 | elf_tdata (abfd)->verdef = NULL; |
- | |
7306 | elf_tdata (abfd)->cverdefs = 0; |
- | |
7307 | goto error_return; |
7951 | goto error_return_bad_verdef; |
7308 | } |
- | |
7309 | 7952 | ||
7310 | iverdef = &iverdefarr[(iverdefmem.vd_ndx & VERSYM_VERSION) - 1]; |
7953 | iverdef = &iverdefarr[(iverdefmem.vd_ndx & VERSYM_VERSION) - 1]; |
7311 | memcpy (iverdef, &iverdefmem, sizeof (Elf_Internal_Verdef)); |
7954 | memcpy (iverdef, &iverdefmem, offsetof (Elf_Internal_Verdef, vd_bfd)); |
7312 | 7955 | ||
7313 | iverdef->vd_bfd = abfd; |
7956 | iverdef->vd_bfd = abfd; |
7314 | 7957 | ||
7315 | if (iverdef->vd_cnt == 0) |
7958 | if (iverdef->vd_cnt == 0) |
7316 | iverdef->vd_auxptr = NULL; |
7959 | iverdef->vd_auxptr = NULL; |
7317 | else |
7960 | else |
7318 | { |
7961 | { |
7319 | iverdef->vd_auxptr = (struct elf_internal_verdaux *) |
7962 | iverdef->vd_auxptr = (struct elf_internal_verdaux *) |
7320 | bfd_alloc2 (abfd, iverdef->vd_cnt, |
7963 | bfd_alloc2 (abfd, iverdef->vd_cnt, |
7321 | sizeof (Elf_Internal_Verdaux)); |
7964 | sizeof (Elf_Internal_Verdaux)); |
7322 | if (iverdef->vd_auxptr == NULL) |
7965 | if (iverdef->vd_auxptr == NULL) |
7323 | goto error_return_verdef; |
7966 | goto error_return_verdef; |
7324 | } |
7967 | } |
7325 | 7968 | ||
7326 | if (iverdef->vd_aux |
7969 | if (iverdef->vd_aux |
7327 | > (size_t) (contents_end_aux - (bfd_byte *) everdef)) |
7970 | > (size_t) (contents_end_aux - (bfd_byte *) everdef)) |
7328 | goto error_return_verdef; |
7971 | goto error_return_bad_verdef; |
7329 | 7972 | ||
7330 | everdaux = ((Elf_External_Verdaux *) |
7973 | everdaux = ((Elf_External_Verdaux *) |
7331 | ((bfd_byte *) everdef + iverdef->vd_aux)); |
7974 | ((bfd_byte *) everdef + iverdef->vd_aux)); |
7332 | iverdaux = iverdef->vd_auxptr; |
7975 | iverdaux = iverdef->vd_auxptr; |
7333 | for (j = 0; j < iverdef->vd_cnt; j++, iverdaux++) |
7976 | for (j = 0; j < iverdef->vd_cnt; j++, iverdaux++) |
7334 | { |
7977 | { |
7335 | _bfd_elf_swap_verdaux_in (abfd, everdaux, iverdaux); |
7978 | _bfd_elf_swap_verdaux_in (abfd, everdaux, iverdaux); |
7336 | 7979 | ||
7337 | iverdaux->vda_nodename = |
7980 | iverdaux->vda_nodename = |
7338 | bfd_elf_string_from_elf_section (abfd, hdr->sh_link, |
7981 | bfd_elf_string_from_elf_section (abfd, hdr->sh_link, |
7339 | iverdaux->vda_name); |
7982 | iverdaux->vda_name); |
7340 | if (iverdaux->vda_nodename == NULL) |
7983 | if (iverdaux->vda_nodename == NULL) |
7341 | goto error_return_verdef; |
7984 | goto error_return_bad_verdef; |
- | 7985 | ||
- | 7986 | iverdaux->vda_nextptr = NULL; |
|
- | 7987 | if (iverdaux->vda_next == 0) |
|
- | 7988 | { |
|
- | 7989 | iverdef->vd_cnt = j + 1; |
|
- | 7990 | break; |
|
7342 | 7991 | } |
|
7343 | if (j + 1 < iverdef->vd_cnt) |
7992 | if (j + 1 < iverdef->vd_cnt) |
7344 | iverdaux->vda_nextptr = iverdaux + 1; |
- | |
7345 | else |
- | |
7346 | iverdaux->vda_nextptr = NULL; |
7993 | iverdaux->vda_nextptr = iverdaux + 1; |
7347 | 7994 | ||
7348 | if (iverdaux->vda_next |
7995 | if (iverdaux->vda_next |
7349 | > (size_t) (contents_end_aux - (bfd_byte *) everdaux)) |
7996 | > (size_t) (contents_end_aux - (bfd_byte *) everdaux)) |
7350 | goto error_return_verdef; |
7997 | goto error_return_bad_verdef; |
7351 | 7998 | ||
7352 | everdaux = ((Elf_External_Verdaux *) |
7999 | everdaux = ((Elf_External_Verdaux *) |
7353 | ((bfd_byte *) everdaux + iverdaux->vda_next)); |
8000 | ((bfd_byte *) everdaux + iverdaux->vda_next)); |
7354 | } |
8001 | } |
- | 8002 | ||
7355 | 8003 | iverdef->vd_nodename = NULL; |
|
7356 | if (iverdef->vd_cnt) |
8004 | if (iverdef->vd_cnt) |
7357 | iverdef->vd_nodename = iverdef->vd_auxptr->vda_nodename; |
8005 | iverdef->vd_nodename = iverdef->vd_auxptr->vda_nodename; |
- | 8006 | ||
- | 8007 | iverdef->vd_nextdef = NULL; |
|
- | 8008 | if (iverdef->vd_next == 0) |
|
7358 | 8009 | break; |
|
7359 | if ((size_t) (iverdef - iverdefarr) + 1 < maxidx) |
8010 | if ((size_t) (iverdef - iverdefarr) + 1 < maxidx) |
7360 | iverdef->vd_nextdef = iverdef + 1; |
- | |
7361 | else |
- | |
7362 | iverdef->vd_nextdef = NULL; |
8011 | iverdef->vd_nextdef = iverdef + 1; |
7363 | 8012 | ||
7364 | everdef = ((Elf_External_Verdef *) |
8013 | everdef = ((Elf_External_Verdef *) |
7365 | ((bfd_byte *) everdef + iverdef->vd_next)); |
8014 | ((bfd_byte *) everdef + iverdef->vd_next)); |
7366 | } |
8015 | } |
7367 | 8016 | ||
7368 | free (contents); |
8017 | free (contents); |
7369 | contents = NULL; |
8018 | contents = NULL; |
7370 | } |
8019 | } |
7371 | else if (default_imported_symver) |
8020 | else if (default_imported_symver) |
7372 | { |
8021 | { |
7373 | if (freeidx < 3) |
8022 | if (freeidx < 3) |
7374 | freeidx = 3; |
8023 | freeidx = 3; |
7375 | else |
8024 | else |
7376 | freeidx++; |
8025 | freeidx++; |
7377 | 8026 | ||
7378 | elf_tdata (abfd)->verdef = (Elf_Internal_Verdef *) |
8027 | elf_tdata (abfd)->verdef = (Elf_Internal_Verdef *) |
7379 | bfd_zalloc2 (abfd, freeidx, sizeof (Elf_Internal_Verdef)); |
8028 | bfd_zalloc2 (abfd, freeidx, sizeof (Elf_Internal_Verdef)); |
7380 | if (elf_tdata (abfd)->verdef == NULL) |
8029 | if (elf_tdata (abfd)->verdef == NULL) |
7381 | goto error_return; |
8030 | goto error_return; |
7382 | 8031 | ||
7383 | elf_tdata (abfd)->cverdefs = freeidx; |
8032 | elf_tdata (abfd)->cverdefs = freeidx; |
7384 | } |
8033 | } |
7385 | 8034 | ||
7386 | /* Create a default version based on the soname. */ |
8035 | /* Create a default version based on the soname. */ |
7387 | if (default_imported_symver) |
8036 | if (default_imported_symver) |
7388 | { |
8037 | { |
7389 | Elf_Internal_Verdef *iverdef; |
8038 | Elf_Internal_Verdef *iverdef; |
7390 | Elf_Internal_Verdaux *iverdaux; |
8039 | Elf_Internal_Verdaux *iverdaux; |
7391 | 8040 | ||
7392 | iverdef = &elf_tdata (abfd)->verdef[freeidx - 1]; |
8041 | iverdef = &elf_tdata (abfd)->verdef[freeidx - 1]; |
7393 | 8042 | ||
7394 | iverdef->vd_version = VER_DEF_CURRENT; |
8043 | iverdef->vd_version = VER_DEF_CURRENT; |
7395 | iverdef->vd_flags = 0; |
8044 | iverdef->vd_flags = 0; |
7396 | iverdef->vd_ndx = freeidx; |
8045 | iverdef->vd_ndx = freeidx; |
7397 | iverdef->vd_cnt = 1; |
8046 | iverdef->vd_cnt = 1; |
7398 | 8047 | ||
7399 | iverdef->vd_bfd = abfd; |
8048 | iverdef->vd_bfd = abfd; |
7400 | 8049 | ||
7401 | iverdef->vd_nodename = bfd_elf_get_dt_soname (abfd); |
8050 | iverdef->vd_nodename = bfd_elf_get_dt_soname (abfd); |
7402 | if (iverdef->vd_nodename == NULL) |
8051 | if (iverdef->vd_nodename == NULL) |
7403 | goto error_return_verdef; |
8052 | goto error_return_verdef; |
7404 | iverdef->vd_nextdef = NULL; |
8053 | iverdef->vd_nextdef = NULL; |
7405 | iverdef->vd_auxptr = (struct elf_internal_verdaux *) |
8054 | iverdef->vd_auxptr = ((struct elf_internal_verdaux *) |
7406 | bfd_alloc (abfd, sizeof (Elf_Internal_Verdaux)); |
8055 | bfd_zalloc (abfd, sizeof (Elf_Internal_Verdaux))); |
7407 | if (iverdef->vd_auxptr == NULL) |
8056 | if (iverdef->vd_auxptr == NULL) |
7408 | goto error_return_verdef; |
8057 | goto error_return_verdef; |
7409 | 8058 | ||
7410 | iverdaux = iverdef->vd_auxptr; |
8059 | iverdaux = iverdef->vd_auxptr; |
7411 | iverdaux->vda_nodename = iverdef->vd_nodename; |
8060 | iverdaux->vda_nodename = iverdef->vd_nodename; |
7412 | iverdaux->vda_nextptr = NULL; |
- | |
7413 | } |
8061 | } |
7414 | 8062 | ||
7415 | return TRUE; |
8063 | return TRUE; |
7416 | 8064 | ||
7417 | error_return: |
8065 | error_return: |
7418 | if (contents != NULL) |
8066 | if (contents != NULL) |
7419 | free (contents); |
8067 | free (contents); |
7420 | return FALSE; |
8068 | return FALSE; |
7421 | } |
8069 | } |
7422 | 8070 | ||
7423 | asymbol * |
8071 | asymbol * |
7424 | _bfd_elf_make_empty_symbol (bfd *abfd) |
8072 | _bfd_elf_make_empty_symbol (bfd *abfd) |
7425 | { |
8073 | { |
7426 | elf_symbol_type *newsym; |
8074 | elf_symbol_type *newsym; |
7427 | bfd_size_type amt = sizeof (elf_symbol_type); |
- | |
7428 | 8075 | ||
7429 | newsym = (elf_symbol_type *) bfd_zalloc (abfd, amt); |
8076 | newsym = (elf_symbol_type *) bfd_zalloc (abfd, sizeof * newsym); |
7430 | if (!newsym) |
8077 | if (!newsym) |
7431 | return NULL; |
- | |
7432 | else |
- | |
7433 | { |
8078 | return NULL; |
7434 | newsym->symbol.the_bfd = abfd; |
8079 | newsym->symbol.the_bfd = abfd; |
7435 | return &newsym->symbol; |
8080 | return &newsym->symbol; |
7436 | } |
8081 | } |
7437 | } |
- | |
7438 | 8082 | ||
7439 | void |
8083 | void |
7440 | _bfd_elf_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
8084 | _bfd_elf_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
7441 | asymbol *symbol, |
8085 | asymbol *symbol, |
7442 | symbol_info *ret) |
8086 | symbol_info *ret) |
7443 | { |
8087 | { |
7444 | bfd_symbol_info (symbol, ret); |
8088 | bfd_symbol_info (symbol, ret); |
7445 | } |
8089 | } |
7446 | 8090 | ||
7447 | /* Return whether a symbol name implies a local symbol. Most targets |
8091 | /* Return whether a symbol name implies a local symbol. Most targets |
7448 | use this function for the is_local_label_name entry point, but some |
8092 | use this function for the is_local_label_name entry point, but some |
7449 | override it. */ |
8093 | override it. */ |
7450 | 8094 | ||
7451 | bfd_boolean |
8095 | bfd_boolean |
7452 | _bfd_elf_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED, |
8096 | _bfd_elf_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED, |
7453 | const char *name) |
8097 | const char *name) |
7454 | { |
8098 | { |
7455 | /* Normal local symbols start with ``.L''. */ |
8099 | /* Normal local symbols start with ``.L''. */ |
7456 | if (name[0] == '.' && name[1] == 'L') |
8100 | if (name[0] == '.' && name[1] == 'L') |
7457 | return TRUE; |
8101 | return TRUE; |
7458 | 8102 | ||
7459 | /* At least some SVR4 compilers (e.g., UnixWare 2.1 cc) generate |
8103 | /* At least some SVR4 compilers (e.g., UnixWare 2.1 cc) generate |
7460 | DWARF debugging symbols starting with ``..''. */ |
8104 | DWARF debugging symbols starting with ``..''. */ |
7461 | if (name[0] == '.' && name[1] == '.') |
8105 | if (name[0] == '.' && name[1] == '.') |
7462 | return TRUE; |
8106 | return TRUE; |
7463 | 8107 | ||
7464 | /* gcc will sometimes generate symbols beginning with ``_.L_'' when |
8108 | /* gcc will sometimes generate symbols beginning with ``_.L_'' when |
7465 | emitting DWARF debugging output. I suspect this is actually a |
8109 | emitting DWARF debugging output. I suspect this is actually a |
7466 | small bug in gcc (it calls ASM_OUTPUT_LABEL when it should call |
8110 | small bug in gcc (it calls ASM_OUTPUT_LABEL when it should call |
7467 | ASM_GENERATE_INTERNAL_LABEL, and this causes the leading |
8111 | ASM_GENERATE_INTERNAL_LABEL, and this causes the leading |
7468 | underscore to be emitted on some ELF targets). For ease of use, |
8112 | underscore to be emitted on some ELF targets). For ease of use, |
7469 | we treat such symbols as local. */ |
8113 | we treat such symbols as local. */ |
7470 | if (name[0] == '_' && name[1] == '.' && name[2] == 'L' && name[3] == '_') |
8114 | if (name[0] == '_' && name[1] == '.' && name[2] == 'L' && name[3] == '_') |
7471 | return TRUE; |
8115 | return TRUE; |
- | 8116 | ||
- | 8117 | /* Treat assembler generated fake symbols, dollar local labels and |
|
- | 8118 | forward-backward labels (aka local labels) as locals. |
|
- | 8119 | These labels have the form: |
|
- | 8120 | ||
- | 8121 | L0^A.* (fake symbols) |
|
- | 8122 | ||
- | 8123 | [.]?L[0123456789]+{^A|^B}[0123456789]* (local labels) |
|
- | 8124 | ||
- | 8125 | Versions which start with .L will have already been matched above, |
|
- | 8126 | so we only need to match the rest. */ |
|
- | 8127 | if (name[0] == 'L' && ISDIGIT (name[1])) |
|
- | 8128 | { |
|
- | 8129 | bfd_boolean ret = FALSE; |
|
- | 8130 | const char * p; |
|
- | 8131 | char c; |
|
- | 8132 | ||
- | 8133 | for (p = name + 2; (c = *p); p++) |
|
- | 8134 | { |
|
- | 8135 | if (c == 1 || c == 2) |
|
- | 8136 | { |
|
- | 8137 | if (c == 1 && p == name + 2) |
|
- | 8138 | /* A fake symbol. */ |
|
- | 8139 | return TRUE; |
|
- | 8140 | ||
- | 8141 | /* FIXME: We are being paranoid here and treating symbols like |
|
- | 8142 | L0^Bfoo as if there were non-local, on the grounds that the |
|
- | 8143 | assembler will never generate them. But can any symbol |
|
- | 8144 | containing an ASCII value in the range 1-31 ever be anything |
|
- | 8145 | other than some kind of local ? */ |
|
- | 8146 | ret = TRUE; |
|
- | 8147 | } |
|
- | 8148 | ||
- | 8149 | if (! ISDIGIT (c)) |
|
- | 8150 | { |
|
- | 8151 | ret = FALSE; |
|
- | 8152 | break; |
|
- | 8153 | } |
|
- | 8154 | } |
|
- | 8155 | return ret; |
|
- | 8156 | } |
|
7472 | 8157 | ||
7473 | return FALSE; |
8158 | return FALSE; |
7474 | } |
8159 | } |
7475 | 8160 | ||
7476 | alent * |
8161 | alent * |
7477 | _bfd_elf_get_lineno (bfd *abfd ATTRIBUTE_UNUSED, |
8162 | _bfd_elf_get_lineno (bfd *abfd ATTRIBUTE_UNUSED, |
7478 | asymbol *symbol ATTRIBUTE_UNUSED) |
8163 | asymbol *symbol ATTRIBUTE_UNUSED) |
7479 | { |
8164 | { |
7480 | abort (); |
8165 | abort (); |
7481 | return NULL; |
8166 | return NULL; |
7482 | } |
8167 | } |
7483 | 8168 | ||
7484 | bfd_boolean |
8169 | bfd_boolean |
7485 | _bfd_elf_set_arch_mach (bfd *abfd, |
8170 | _bfd_elf_set_arch_mach (bfd *abfd, |
7486 | enum bfd_architecture arch, |
8171 | enum bfd_architecture arch, |
7487 | unsigned long machine) |
8172 | unsigned long machine) |
7488 | { |
8173 | { |
7489 | /* If this isn't the right architecture for this backend, and this |
8174 | /* If this isn't the right architecture for this backend, and this |
7490 | isn't the generic backend, fail. */ |
8175 | isn't the generic backend, fail. */ |
7491 | if (arch != get_elf_backend_data (abfd)->arch |
8176 | if (arch != get_elf_backend_data (abfd)->arch |
7492 | && arch != bfd_arch_unknown |
8177 | && arch != bfd_arch_unknown |
7493 | && get_elf_backend_data (abfd)->arch != bfd_arch_unknown) |
8178 | && get_elf_backend_data (abfd)->arch != bfd_arch_unknown) |
7494 | return FALSE; |
8179 | return FALSE; |
7495 | 8180 | ||
7496 | return bfd_default_set_arch_mach (abfd, arch, machine); |
8181 | return bfd_default_set_arch_mach (abfd, arch, machine); |
7497 | } |
8182 | } |
7498 | - | ||
7499 | /* Find the function to a particular section and offset, |
- | |
7500 | for error reporting. */ |
- | |
7501 | - | ||
7502 | static bfd_boolean |
- | |
7503 | elf_find_function (bfd *abfd, |
- | |
7504 | asection *section, |
- | |
7505 | asymbol **symbols, |
- | |
7506 | bfd_vma offset, |
- | |
7507 | const char **filename_ptr, |
- | |
7508 | const char **functionname_ptr) |
- | |
7509 | { |
- | |
7510 | struct elf_find_function_cache |
- | |
7511 | { |
- | |
7512 | asection *last_section; |
- | |
7513 | asymbol *func; |
- | |
7514 | const char *filename; |
- | |
7515 | bfd_size_type func_size; |
- | |
7516 | } *cache; |
- | |
7517 | - | ||
7518 | if (symbols == NULL) |
- | |
7519 | return FALSE; |
- | |
7520 | - | ||
7521 | cache = elf_tdata (abfd)->elf_find_function_cache; |
- | |
7522 | if (cache == NULL) |
- | |
7523 | { |
- | |
7524 | cache = bfd_zalloc (abfd, sizeof (*cache)); |
- | |
7525 | elf_tdata (abfd)->elf_find_function_cache = cache; |
- | |
7526 | if (cache == NULL) |
- | |
7527 | return FALSE; |
- | |
7528 | } |
- | |
7529 | if (cache->last_section != section |
- | |
7530 | || cache->func == NULL |
- | |
7531 | || offset < cache->func->value |
- | |
7532 | || offset >= cache->func->value + cache->func_size) |
- | |
7533 | { |
- | |
7534 | asymbol *file; |
- | |
7535 | bfd_vma low_func; |
- | |
7536 | asymbol **p; |
- | |
7537 | /* ??? Given multiple file symbols, it is impossible to reliably |
- | |
7538 | choose the right file name for global symbols. File symbols are |
- | |
7539 | local symbols, and thus all file symbols must sort before any |
- | |
7540 | global symbols. The ELF spec may be interpreted to say that a |
- | |
7541 | file symbol must sort before other local symbols, but currently |
- | |
7542 | ld -r doesn't do this. So, for ld -r output, it is possible to |
- | |
7543 | make a better choice of file name for local symbols by ignoring |
- | |
7544 | file symbols appearing after a given local symbol. */ |
- | |
7545 | enum { nothing_seen, symbol_seen, file_after_symbol_seen } state; |
- | |
7546 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
- | |
7547 | - | ||
7548 | file = NULL; |
- | |
7549 | low_func = 0; |
- | |
7550 | state = nothing_seen; |
- | |
7551 | cache->filename = NULL; |
- | |
7552 | cache->func = NULL; |
- | |
7553 | cache->func_size = 0; |
- | |
7554 | cache->last_section = section; |
- | |
7555 | - | ||
7556 | for (p = symbols; *p != NULL; p++) |
- | |
7557 | { |
- | |
7558 | asymbol *sym = *p; |
- | |
7559 | bfd_vma code_off; |
- | |
7560 | bfd_size_type size; |
- | |
7561 | - | ||
7562 | if ((sym->flags & BSF_FILE) != 0) |
- | |
7563 | { |
- | |
7564 | file = sym; |
- | |
7565 | if (state == symbol_seen) |
- | |
7566 | state = file_after_symbol_seen; |
- | |
7567 | continue; |
- | |
7568 | } |
- | |
7569 | - | ||
7570 | size = bed->maybe_function_sym (sym, section, &code_off); |
- | |
7571 | if (size != 0 |
- | |
7572 | && code_off <= offset |
- | |
7573 | && (code_off > low_func |
- | |
7574 | || (code_off == low_func |
- | |
7575 | && size > cache->func_size))) |
- | |
7576 | { |
- | |
7577 | cache->func = sym; |
- | |
7578 | cache->func_size = size; |
- | |
7579 | cache->filename = NULL; |
- | |
7580 | low_func = code_off; |
- | |
7581 | if (file != NULL |
- | |
7582 | && ((sym->flags & BSF_LOCAL) != 0 |
- | |
7583 | || state != file_after_symbol_seen)) |
- | |
7584 | cache->filename = bfd_asymbol_name (file); |
- | |
7585 | } |
- | |
7586 | if (state == nothing_seen) |
- | |
7587 | state = symbol_seen; |
- | |
7588 | } |
- | |
7589 | } |
- | |
7590 | - | ||
7591 | if (cache->func == NULL) |
- | |
7592 | return FALSE; |
- | |
7593 | - | ||
7594 | if (filename_ptr) |
- | |
7595 | *filename_ptr = cache->filename; |
- | |
7596 | if (functionname_ptr) |
- | |
7597 | *functionname_ptr = bfd_asymbol_name (cache->func); |
- | |
7598 | - | ||
7599 | return TRUE; |
- | |
7600 | } |
- | |
7601 | 8183 | ||
7602 | /* Find the nearest line to a particular section and offset, |
8184 | /* Find the nearest line to a particular section and offset, |
7603 | for error reporting. */ |
8185 | for error reporting. */ |
7604 | 8186 | ||
7605 | bfd_boolean |
8187 | bfd_boolean |
7606 | _bfd_elf_find_nearest_line (bfd *abfd, |
8188 | _bfd_elf_find_nearest_line (bfd *abfd, |
7607 | asection *section, |
- | |
7608 | asymbol **symbols, |
8189 | asymbol **symbols, |
7609 | bfd_vma offset, |
- | |
7610 | const char **filename_ptr, |
- | |
7611 | const char **functionname_ptr, |
- | |
7612 | unsigned int *line_ptr) |
- | |
7613 | { |
- | |
7614 | return _bfd_elf_find_nearest_line_discriminator (abfd, section, symbols, |
- | |
7615 | offset, filename_ptr, |
- | |
7616 | functionname_ptr, |
- | |
7617 | line_ptr, |
- | |
7618 | NULL); |
- | |
7619 | } |
- | |
7620 | - | ||
7621 | bfd_boolean |
- | |
7622 | _bfd_elf_find_nearest_line_discriminator (bfd *abfd, |
- | |
7623 | asection *section, |
8190 | asection *section, |
7624 | asymbol **symbols, |
- | |
7625 | bfd_vma offset, |
8191 | bfd_vma offset, |
7626 | const char **filename_ptr, |
8192 | const char **filename_ptr, |
7627 | const char **functionname_ptr, |
8193 | const char **functionname_ptr, |
7628 | unsigned int *line_ptr, |
8194 | unsigned int *line_ptr, |
7629 | unsigned int *discriminator_ptr) |
8195 | unsigned int *discriminator_ptr) |
7630 | { |
8196 | { |
7631 | bfd_boolean found; |
8197 | bfd_boolean found; |
7632 | 8198 | ||
7633 | if (_bfd_dwarf1_find_nearest_line (abfd, section, symbols, offset, |
8199 | if (_bfd_dwarf2_find_nearest_line (abfd, symbols, NULL, section, offset, |
7634 | filename_ptr, functionname_ptr, |
8200 | filename_ptr, functionname_ptr, |
7635 | line_ptr)) |
- | |
7636 | { |
8201 | line_ptr, discriminator_ptr, |
7637 | if (!*functionname_ptr) |
- | |
7638 | elf_find_function (abfd, section, symbols, offset, |
8202 | dwarf_debug_sections, 0, |
7639 | *filename_ptr ? NULL : filename_ptr, |
- | |
7640 | functionname_ptr); |
- | |
7641 | - | ||
7642 | return TRUE; |
- | |
7643 | } |
- | |
7644 | 8203 | &elf_tdata (abfd)->dwarf2_find_line_info) |
|
7645 | if (_bfd_dwarf2_find_nearest_line (abfd, dwarf_debug_sections, |
- | |
7646 | section, symbols, offset, |
8204 | || _bfd_dwarf1_find_nearest_line (abfd, symbols, section, offset, |
7647 | filename_ptr, functionname_ptr, |
8205 | filename_ptr, functionname_ptr, |
7648 | line_ptr, discriminator_ptr, 0, |
- | |
7649 | &elf_tdata (abfd)->dwarf2_find_line_info)) |
8206 | line_ptr)) |
7650 | { |
8207 | { |
7651 | if (!*functionname_ptr) |
8208 | if (!*functionname_ptr) |
7652 | elf_find_function (abfd, section, symbols, offset, |
8209 | _bfd_elf_find_function (abfd, symbols, section, offset, |
7653 | *filename_ptr ? NULL : filename_ptr, |
8210 | *filename_ptr ? NULL : filename_ptr, |
7654 | functionname_ptr); |
- | |
7655 | 8211 | functionname_ptr); |
|
7656 | return TRUE; |
8212 | return TRUE; |
7657 | } |
8213 | } |
7658 | 8214 | ||
7659 | if (! _bfd_stab_section_find_nearest_line (abfd, symbols, section, offset, |
8215 | if (! _bfd_stab_section_find_nearest_line (abfd, symbols, section, offset, |
7660 | &found, filename_ptr, |
8216 | &found, filename_ptr, |
7661 | functionname_ptr, line_ptr, |
8217 | functionname_ptr, line_ptr, |
7662 | &elf_tdata (abfd)->line_info)) |
8218 | &elf_tdata (abfd)->line_info)) |
7663 | return FALSE; |
8219 | return FALSE; |
7664 | if (found && (*functionname_ptr || *line_ptr)) |
8220 | if (found && (*functionname_ptr || *line_ptr)) |
7665 | return TRUE; |
8221 | return TRUE; |
7666 | 8222 | ||
7667 | if (symbols == NULL) |
8223 | if (symbols == NULL) |
7668 | return FALSE; |
8224 | return FALSE; |
7669 | 8225 | ||
7670 | if (! elf_find_function (abfd, section, symbols, offset, |
8226 | if (! _bfd_elf_find_function (abfd, symbols, section, offset, |
7671 | filename_ptr, functionname_ptr)) |
8227 | filename_ptr, functionname_ptr)) |
7672 | return FALSE; |
8228 | return FALSE; |
7673 | 8229 | ||
7674 | *line_ptr = 0; |
8230 | *line_ptr = 0; |
7675 | return TRUE; |
8231 | return TRUE; |
7676 | } |
8232 | } |
7677 | 8233 | ||
7678 | /* Find the line for a symbol. */ |
8234 | /* Find the line for a symbol. */ |
7679 | 8235 | ||
7680 | bfd_boolean |
8236 | bfd_boolean |
7681 | _bfd_elf_find_line (bfd *abfd, asymbol **symbols, asymbol *symbol, |
8237 | _bfd_elf_find_line (bfd *abfd, asymbol **symbols, asymbol *symbol, |
7682 | const char **filename_ptr, unsigned int *line_ptr) |
8238 | const char **filename_ptr, unsigned int *line_ptr) |
7683 | { |
8239 | { |
7684 | return _bfd_elf_find_line_discriminator (abfd, symbols, symbol, |
8240 | return _bfd_dwarf2_find_nearest_line (abfd, symbols, symbol, NULL, 0, |
7685 | filename_ptr, line_ptr, |
8241 | filename_ptr, NULL, line_ptr, NULL, |
7686 | NULL); |
- | |
7687 | } |
- | |
7688 | - | ||
7689 | bfd_boolean |
- | |
7690 | _bfd_elf_find_line_discriminator (bfd *abfd, asymbol **symbols, asymbol *symbol, |
- | |
7691 | const char **filename_ptr, |
- | |
7692 | unsigned int *line_ptr, |
- | |
7693 | unsigned int *discriminator_ptr) |
- | |
7694 | { |
- | |
7695 | return _bfd_dwarf2_find_line (abfd, symbols, symbol, |
- | |
7696 | filename_ptr, line_ptr, discriminator_ptr, 0, |
8242 | dwarf_debug_sections, 0, |
7697 | &elf_tdata (abfd)->dwarf2_find_line_info); |
8243 | &elf_tdata (abfd)->dwarf2_find_line_info); |
7698 | } |
8244 | } |
7699 | 8245 | ||
7700 | /* After a call to bfd_find_nearest_line, successive calls to |
8246 | /* After a call to bfd_find_nearest_line, successive calls to |
7701 | bfd_find_inliner_info can be used to get source information about |
8247 | bfd_find_inliner_info can be used to get source information about |
7702 | each level of function inlining that terminated at the address |
8248 | each level of function inlining that terminated at the address |
7703 | passed to bfd_find_nearest_line. Currently this is only supported |
8249 | passed to bfd_find_nearest_line. Currently this is only supported |
7704 | for DWARF2 with appropriate DWARF3 extensions. */ |
8250 | for DWARF2 with appropriate DWARF3 extensions. */ |
7705 | 8251 | ||
7706 | bfd_boolean |
8252 | bfd_boolean |
7707 | _bfd_elf_find_inliner_info (bfd *abfd, |
8253 | _bfd_elf_find_inliner_info (bfd *abfd, |
7708 | const char **filename_ptr, |
8254 | const char **filename_ptr, |
7709 | const char **functionname_ptr, |
8255 | const char **functionname_ptr, |
7710 | unsigned int *line_ptr) |
8256 | unsigned int *line_ptr) |
7711 | { |
8257 | { |
7712 | bfd_boolean found; |
8258 | bfd_boolean found; |
7713 | found = _bfd_dwarf2_find_inliner_info (abfd, filename_ptr, |
8259 | found = _bfd_dwarf2_find_inliner_info (abfd, filename_ptr, |
7714 | functionname_ptr, line_ptr, |
8260 | functionname_ptr, line_ptr, |
7715 | & elf_tdata (abfd)->dwarf2_find_line_info); |
8261 | & elf_tdata (abfd)->dwarf2_find_line_info); |
7716 | return found; |
8262 | return found; |
7717 | } |
8263 | } |
7718 | 8264 | ||
7719 | int |
8265 | int |
7720 | _bfd_elf_sizeof_headers (bfd *abfd, struct bfd_link_info *info) |
8266 | _bfd_elf_sizeof_headers (bfd *abfd, struct bfd_link_info *info) |
7721 | { |
8267 | { |
7722 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
8268 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
7723 | int ret = bed->s->sizeof_ehdr; |
8269 | int ret = bed->s->sizeof_ehdr; |
7724 | 8270 | ||
7725 | if (!info->relocatable) |
8271 | if (!bfd_link_relocatable (info)) |
7726 | { |
8272 | { |
7727 | bfd_size_type phdr_size = elf_program_header_size (abfd); |
8273 | bfd_size_type phdr_size = elf_program_header_size (abfd); |
7728 | 8274 | ||
7729 | if (phdr_size == (bfd_size_type) -1) |
8275 | if (phdr_size == (bfd_size_type) -1) |
7730 | { |
8276 | { |
7731 | struct elf_segment_map *m; |
8277 | struct elf_segment_map *m; |
7732 | 8278 | ||
7733 | phdr_size = 0; |
8279 | phdr_size = 0; |
7734 | for (m = elf_seg_map (abfd); m != NULL; m = m->next) |
8280 | for (m = elf_seg_map (abfd); m != NULL; m = m->next) |
7735 | phdr_size += bed->s->sizeof_phdr; |
8281 | phdr_size += bed->s->sizeof_phdr; |
7736 | 8282 | ||
7737 | if (phdr_size == 0) |
8283 | if (phdr_size == 0) |
7738 | phdr_size = get_program_header_size (abfd, info); |
8284 | phdr_size = get_program_header_size (abfd, info); |
7739 | } |
8285 | } |
7740 | 8286 | ||
7741 | elf_program_header_size (abfd) = phdr_size; |
8287 | elf_program_header_size (abfd) = phdr_size; |
7742 | ret += phdr_size; |
8288 | ret += phdr_size; |
7743 | } |
8289 | } |
7744 | 8290 | ||
7745 | return ret; |
8291 | return ret; |
7746 | } |
8292 | } |
7747 | 8293 | ||
7748 | bfd_boolean |
8294 | bfd_boolean |
7749 | _bfd_elf_set_section_contents (bfd *abfd, |
8295 | _bfd_elf_set_section_contents (bfd *abfd, |
7750 | sec_ptr section, |
8296 | sec_ptr section, |
7751 | const void *location, |
8297 | const void *location, |
7752 | file_ptr offset, |
8298 | file_ptr offset, |
7753 | bfd_size_type count) |
8299 | bfd_size_type count) |
7754 | { |
8300 | { |
7755 | Elf_Internal_Shdr *hdr; |
8301 | Elf_Internal_Shdr *hdr; |
7756 | bfd_signed_vma pos; |
8302 | file_ptr pos; |
7757 | 8303 | ||
7758 | if (! abfd->output_has_begun |
8304 | if (! abfd->output_has_begun |
7759 | && ! _bfd_elf_compute_section_file_positions (abfd, NULL)) |
8305 | && ! _bfd_elf_compute_section_file_positions (abfd, NULL)) |
7760 | return FALSE; |
8306 | return FALSE; |
- | 8307 | ||
- | 8308 | if (!count) |
|
- | 8309 | return TRUE; |
|
7761 | 8310 | ||
- | 8311 | hdr = &elf_section_data (section)->this_hdr; |
|
- | 8312 | if (hdr->sh_offset == (file_ptr) -1) |
|
- | 8313 | { |
|
- | 8314 | /* We must compress this section. Write output to the buffer. */ |
|
- | 8315 | unsigned char *contents = hdr->contents; |
|
- | 8316 | if ((offset + count) > hdr->sh_size |
|
- | 8317 | || (section->flags & SEC_ELF_COMPRESS) == 0 |
|
- | 8318 | || contents == NULL) |
|
- | 8319 | abort (); |
|
- | 8320 | memcpy (contents + offset, location, count); |
|
- | 8321 | return TRUE; |
|
7762 | hdr = &elf_section_data (section)->this_hdr; |
8322 | } |
7763 | pos = hdr->sh_offset + offset; |
8323 | pos = hdr->sh_offset + offset; |
7764 | if (bfd_seek (abfd, pos, SEEK_SET) != 0 |
8324 | if (bfd_seek (abfd, pos, SEEK_SET) != 0 |
7765 | || bfd_bwrite (location, count, abfd) != count) |
8325 | || bfd_bwrite (location, count, abfd) != count) |
7766 | return FALSE; |
8326 | return FALSE; |
7767 | 8327 | ||
7768 | return TRUE; |
8328 | return TRUE; |
7769 | } |
8329 | } |
7770 | 8330 | ||
7771 | void |
8331 | void |
7772 | _bfd_elf_no_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, |
8332 | _bfd_elf_no_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, |
7773 | arelent *cache_ptr ATTRIBUTE_UNUSED, |
8333 | arelent *cache_ptr ATTRIBUTE_UNUSED, |
7774 | Elf_Internal_Rela *dst ATTRIBUTE_UNUSED) |
8334 | Elf_Internal_Rela *dst ATTRIBUTE_UNUSED) |
7775 | { |
8335 | { |
7776 | abort (); |
8336 | abort (); |
7777 | } |
8337 | } |
7778 | 8338 | ||
7779 | /* Try to convert a non-ELF reloc into an ELF one. */ |
8339 | /* Try to convert a non-ELF reloc into an ELF one. */ |
7780 | 8340 | ||
7781 | bfd_boolean |
8341 | bfd_boolean |
7782 | _bfd_elf_validate_reloc (bfd *abfd, arelent *areloc) |
8342 | _bfd_elf_validate_reloc (bfd *abfd, arelent *areloc) |
7783 | { |
8343 | { |
7784 | /* Check whether we really have an ELF howto. */ |
8344 | /* Check whether we really have an ELF howto. */ |
7785 | 8345 | ||
7786 | if ((*areloc->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec) |
8346 | if ((*areloc->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec) |
7787 | { |
8347 | { |
7788 | bfd_reloc_code_real_type code; |
8348 | bfd_reloc_code_real_type code; |
7789 | reloc_howto_type *howto; |
8349 | reloc_howto_type *howto; |
7790 | 8350 | ||
7791 | /* Alien reloc: Try to determine its type to replace it with an |
8351 | /* Alien reloc: Try to determine its type to replace it with an |
7792 | equivalent ELF reloc. */ |
8352 | equivalent ELF reloc. */ |
7793 | 8353 | ||
7794 | if (areloc->howto->pc_relative) |
8354 | if (areloc->howto->pc_relative) |
7795 | { |
8355 | { |
7796 | switch (areloc->howto->bitsize) |
8356 | switch (areloc->howto->bitsize) |
7797 | { |
8357 | { |
7798 | case 8: |
8358 | case 8: |
7799 | code = BFD_RELOC_8_PCREL; |
8359 | code = BFD_RELOC_8_PCREL; |
7800 | break; |
8360 | break; |
7801 | case 12: |
8361 | case 12: |
7802 | code = BFD_RELOC_12_PCREL; |
8362 | code = BFD_RELOC_12_PCREL; |
7803 | break; |
8363 | break; |
7804 | case 16: |
8364 | case 16: |
7805 | code = BFD_RELOC_16_PCREL; |
8365 | code = BFD_RELOC_16_PCREL; |
7806 | break; |
8366 | break; |
7807 | case 24: |
8367 | case 24: |
7808 | code = BFD_RELOC_24_PCREL; |
8368 | code = BFD_RELOC_24_PCREL; |
7809 | break; |
8369 | break; |
7810 | case 32: |
8370 | case 32: |
7811 | code = BFD_RELOC_32_PCREL; |
8371 | code = BFD_RELOC_32_PCREL; |
7812 | break; |
8372 | break; |
7813 | case 64: |
8373 | case 64: |
7814 | code = BFD_RELOC_64_PCREL; |
8374 | code = BFD_RELOC_64_PCREL; |
7815 | break; |
8375 | break; |
7816 | default: |
8376 | default: |
7817 | goto fail; |
8377 | goto fail; |
7818 | } |
8378 | } |
7819 | 8379 | ||
7820 | howto = bfd_reloc_type_lookup (abfd, code); |
8380 | howto = bfd_reloc_type_lookup (abfd, code); |
7821 | 8381 | ||
7822 | if (areloc->howto->pcrel_offset != howto->pcrel_offset) |
8382 | if (areloc->howto->pcrel_offset != howto->pcrel_offset) |
7823 | { |
8383 | { |
7824 | if (howto->pcrel_offset) |
8384 | if (howto->pcrel_offset) |
7825 | areloc->addend += areloc->address; |
8385 | areloc->addend += areloc->address; |
7826 | else |
8386 | else |
7827 | areloc->addend -= areloc->address; /* addend is unsigned!! */ |
8387 | areloc->addend -= areloc->address; /* addend is unsigned!! */ |
7828 | } |
8388 | } |
7829 | } |
8389 | } |
7830 | else |
8390 | else |
7831 | { |
8391 | { |
7832 | switch (areloc->howto->bitsize) |
8392 | switch (areloc->howto->bitsize) |
7833 | { |
8393 | { |
7834 | case 8: |
8394 | case 8: |
7835 | code = BFD_RELOC_8; |
8395 | code = BFD_RELOC_8; |
7836 | break; |
8396 | break; |
7837 | case 14: |
8397 | case 14: |
7838 | code = BFD_RELOC_14; |
8398 | code = BFD_RELOC_14; |
7839 | break; |
8399 | break; |
7840 | case 16: |
8400 | case 16: |
7841 | code = BFD_RELOC_16; |
8401 | code = BFD_RELOC_16; |
7842 | break; |
8402 | break; |
7843 | case 26: |
8403 | case 26: |
7844 | code = BFD_RELOC_26; |
8404 | code = BFD_RELOC_26; |
7845 | break; |
8405 | break; |
7846 | case 32: |
8406 | case 32: |
7847 | code = BFD_RELOC_32; |
8407 | code = BFD_RELOC_32; |
7848 | break; |
8408 | break; |
7849 | case 64: |
8409 | case 64: |
7850 | code = BFD_RELOC_64; |
8410 | code = BFD_RELOC_64; |
7851 | break; |
8411 | break; |
7852 | default: |
8412 | default: |
7853 | goto fail; |
8413 | goto fail; |
7854 | } |
8414 | } |
7855 | 8415 | ||
7856 | howto = bfd_reloc_type_lookup (abfd, code); |
8416 | howto = bfd_reloc_type_lookup (abfd, code); |
7857 | } |
8417 | } |
7858 | 8418 | ||
7859 | if (howto) |
8419 | if (howto) |
7860 | areloc->howto = howto; |
8420 | areloc->howto = howto; |
7861 | else |
8421 | else |
7862 | goto fail; |
8422 | goto fail; |
7863 | } |
8423 | } |
7864 | 8424 | ||
7865 | return TRUE; |
8425 | return TRUE; |
7866 | 8426 | ||
7867 | fail: |
8427 | fail: |
7868 | (*_bfd_error_handler) |
8428 | (*_bfd_error_handler) |
7869 | (_("%B: unsupported relocation type %s"), |
8429 | (_("%B: unsupported relocation type %s"), |
7870 | abfd, areloc->howto->name); |
8430 | abfd, areloc->howto->name); |
7871 | bfd_set_error (bfd_error_bad_value); |
8431 | bfd_set_error (bfd_error_bad_value); |
7872 | return FALSE; |
8432 | return FALSE; |
7873 | } |
8433 | } |
7874 | 8434 | ||
7875 | bfd_boolean |
8435 | bfd_boolean |
7876 | _bfd_elf_close_and_cleanup (bfd *abfd) |
8436 | _bfd_elf_close_and_cleanup (bfd *abfd) |
7877 | { |
8437 | { |
7878 | struct elf_obj_tdata *tdata = elf_tdata (abfd); |
8438 | struct elf_obj_tdata *tdata = elf_tdata (abfd); |
7879 | if (bfd_get_format (abfd) == bfd_object && tdata != NULL) |
8439 | if (bfd_get_format (abfd) == bfd_object && tdata != NULL) |
7880 | { |
8440 | { |
7881 | if (elf_tdata (abfd)->o != NULL && elf_shstrtab (abfd) != NULL) |
8441 | if (elf_tdata (abfd)->o != NULL && elf_shstrtab (abfd) != NULL) |
7882 | _bfd_elf_strtab_free (elf_shstrtab (abfd)); |
8442 | _bfd_elf_strtab_free (elf_shstrtab (abfd)); |
7883 | _bfd_dwarf2_cleanup_debug_info (abfd, &tdata->dwarf2_find_line_info); |
8443 | _bfd_dwarf2_cleanup_debug_info (abfd, &tdata->dwarf2_find_line_info); |
7884 | } |
8444 | } |
7885 | 8445 | ||
7886 | return _bfd_generic_close_and_cleanup (abfd); |
8446 | return _bfd_generic_close_and_cleanup (abfd); |
7887 | } |
8447 | } |
7888 | 8448 | ||
7889 | /* For Rel targets, we encode meaningful data for BFD_RELOC_VTABLE_ENTRY |
8449 | /* For Rel targets, we encode meaningful data for BFD_RELOC_VTABLE_ENTRY |
7890 | in the relocation's offset. Thus we cannot allow any sort of sanity |
8450 | in the relocation's offset. Thus we cannot allow any sort of sanity |
7891 | range-checking to interfere. There is nothing else to do in processing |
8451 | range-checking to interfere. There is nothing else to do in processing |
7892 | this reloc. */ |
8452 | this reloc. */ |
7893 | 8453 | ||
7894 | bfd_reloc_status_type |
8454 | bfd_reloc_status_type |
7895 | _bfd_elf_rel_vtable_reloc_fn |
8455 | _bfd_elf_rel_vtable_reloc_fn |
7896 | (bfd *abfd ATTRIBUTE_UNUSED, arelent *re ATTRIBUTE_UNUSED, |
8456 | (bfd *abfd ATTRIBUTE_UNUSED, arelent *re ATTRIBUTE_UNUSED, |
7897 | struct bfd_symbol *symbol ATTRIBUTE_UNUSED, |
8457 | struct bfd_symbol *symbol ATTRIBUTE_UNUSED, |
7898 | void *data ATTRIBUTE_UNUSED, asection *is ATTRIBUTE_UNUSED, |
8458 | void *data ATTRIBUTE_UNUSED, asection *is ATTRIBUTE_UNUSED, |
7899 | bfd *obfd ATTRIBUTE_UNUSED, char **errmsg ATTRIBUTE_UNUSED) |
8459 | bfd *obfd ATTRIBUTE_UNUSED, char **errmsg ATTRIBUTE_UNUSED) |
7900 | { |
8460 | { |
7901 | return bfd_reloc_ok; |
8461 | return bfd_reloc_ok; |
7902 | } |
8462 | } |
7903 | 8463 | ||
7904 | /* Elf core file support. Much of this only works on native |
8464 | /* Elf core file support. Much of this only works on native |
7905 | toolchains, since we rely on knowing the |
8465 | toolchains, since we rely on knowing the |
7906 | machine-dependent procfs structure in order to pick |
8466 | machine-dependent procfs structure in order to pick |
7907 | out details about the corefile. */ |
8467 | out details about the corefile. */ |
7908 | 8468 | ||
7909 | #ifdef HAVE_SYS_PROCFS_H |
8469 | #ifdef HAVE_SYS_PROCFS_H |
7910 | /* Needed for new procfs interface on sparc-solaris. */ |
8470 | /* Needed for new procfs interface on sparc-solaris. */ |
7911 | # define _STRUCTURED_PROC 1 |
8471 | # define _STRUCTURED_PROC 1 |
7912 | # include |
8472 | # include |
7913 | #endif |
8473 | #endif |
7914 | 8474 | ||
7915 | /* Return a PID that identifies a "thread" for threaded cores, or the |
8475 | /* Return a PID that identifies a "thread" for threaded cores, or the |
7916 | PID of the main process for non-threaded cores. */ |
8476 | PID of the main process for non-threaded cores. */ |
7917 | 8477 | ||
7918 | static int |
8478 | static int |
7919 | elfcore_make_pid (bfd *abfd) |
8479 | elfcore_make_pid (bfd *abfd) |
7920 | { |
8480 | { |
7921 | int pid; |
8481 | int pid; |
7922 | 8482 | ||
7923 | pid = elf_tdata (abfd)->core->lwpid; |
8483 | pid = elf_tdata (abfd)->core->lwpid; |
7924 | if (pid == 0) |
8484 | if (pid == 0) |
7925 | pid = elf_tdata (abfd)->core->pid; |
8485 | pid = elf_tdata (abfd)->core->pid; |
7926 | 8486 | ||
7927 | return pid; |
8487 | return pid; |
7928 | } |
8488 | } |
7929 | 8489 | ||
7930 | /* If there isn't a section called NAME, make one, using |
8490 | /* If there isn't a section called NAME, make one, using |
7931 | data from SECT. Note, this function will generate a |
8491 | data from SECT. Note, this function will generate a |
7932 | reference to NAME, so you shouldn't deallocate or |
8492 | reference to NAME, so you shouldn't deallocate or |
7933 | overwrite it. */ |
8493 | overwrite it. */ |
7934 | 8494 | ||
7935 | static bfd_boolean |
8495 | static bfd_boolean |
7936 | elfcore_maybe_make_sect (bfd *abfd, char *name, asection *sect) |
8496 | elfcore_maybe_make_sect (bfd *abfd, char *name, asection *sect) |
7937 | { |
8497 | { |
7938 | asection *sect2; |
8498 | asection *sect2; |
7939 | 8499 | ||
7940 | if (bfd_get_section_by_name (abfd, name) != NULL) |
8500 | if (bfd_get_section_by_name (abfd, name) != NULL) |
7941 | return TRUE; |
8501 | return TRUE; |
7942 | 8502 | ||
7943 | sect2 = bfd_make_section_with_flags (abfd, name, sect->flags); |
8503 | sect2 = bfd_make_section_with_flags (abfd, name, sect->flags); |
7944 | if (sect2 == NULL) |
8504 | if (sect2 == NULL) |
7945 | return FALSE; |
8505 | return FALSE; |
7946 | 8506 | ||
7947 | sect2->size = sect->size; |
8507 | sect2->size = sect->size; |
7948 | sect2->filepos = sect->filepos; |
8508 | sect2->filepos = sect->filepos; |
7949 | sect2->alignment_power = sect->alignment_power; |
8509 | sect2->alignment_power = sect->alignment_power; |
7950 | return TRUE; |
8510 | return TRUE; |
7951 | } |
8511 | } |
7952 | 8512 | ||
7953 | /* Create a pseudosection containing SIZE bytes at FILEPOS. This |
8513 | /* Create a pseudosection containing SIZE bytes at FILEPOS. This |
7954 | actually creates up to two pseudosections: |
8514 | actually creates up to two pseudosections: |
7955 | - For the single-threaded case, a section named NAME, unless |
8515 | - For the single-threaded case, a section named NAME, unless |
7956 | such a section already exists. |
8516 | such a section already exists. |
7957 | - For the multi-threaded case, a section named "NAME/PID", where |
8517 | - For the multi-threaded case, a section named "NAME/PID", where |
7958 | PID is elfcore_make_pid (abfd). |
8518 | PID is elfcore_make_pid (abfd). |
7959 | Both pseudosections have identical contents. */ |
8519 | Both pseudosections have identical contents. */ |
7960 | bfd_boolean |
8520 | bfd_boolean |
7961 | _bfd_elfcore_make_pseudosection (bfd *abfd, |
8521 | _bfd_elfcore_make_pseudosection (bfd *abfd, |
7962 | char *name, |
8522 | char *name, |
7963 | size_t size, |
8523 | size_t size, |
7964 | ufile_ptr filepos) |
8524 | ufile_ptr filepos) |
7965 | { |
8525 | { |
7966 | char buf[100]; |
8526 | char buf[100]; |
7967 | char *threaded_name; |
8527 | char *threaded_name; |
7968 | size_t len; |
8528 | size_t len; |
7969 | asection *sect; |
8529 | asection *sect; |
7970 | 8530 | ||
7971 | /* Build the section name. */ |
8531 | /* Build the section name. */ |
7972 | 8532 | ||
7973 | sprintf (buf, "%s/%d", name, elfcore_make_pid (abfd)); |
8533 | sprintf (buf, "%s/%d", name, elfcore_make_pid (abfd)); |
7974 | len = strlen (buf) + 1; |
8534 | len = strlen (buf) + 1; |
7975 | threaded_name = (char *) bfd_alloc (abfd, len); |
8535 | threaded_name = (char *) bfd_alloc (abfd, len); |
7976 | if (threaded_name == NULL) |
8536 | if (threaded_name == NULL) |
7977 | return FALSE; |
8537 | return FALSE; |
7978 | memcpy (threaded_name, buf, len); |
8538 | memcpy (threaded_name, buf, len); |
7979 | 8539 | ||
7980 | sect = bfd_make_section_anyway_with_flags (abfd, threaded_name, |
8540 | sect = bfd_make_section_anyway_with_flags (abfd, threaded_name, |
7981 | SEC_HAS_CONTENTS); |
8541 | SEC_HAS_CONTENTS); |
7982 | if (sect == NULL) |
8542 | if (sect == NULL) |
7983 | return FALSE; |
8543 | return FALSE; |
7984 | sect->size = size; |
8544 | sect->size = size; |
7985 | sect->filepos = filepos; |
8545 | sect->filepos = filepos; |
7986 | sect->alignment_power = 2; |
8546 | sect->alignment_power = 2; |
7987 | 8547 | ||
7988 | return elfcore_maybe_make_sect (abfd, name, sect); |
8548 | return elfcore_maybe_make_sect (abfd, name, sect); |
7989 | } |
8549 | } |
7990 | 8550 | ||
7991 | /* prstatus_t exists on: |
8551 | /* prstatus_t exists on: |
7992 | solaris 2.5+ |
8552 | solaris 2.5+ |
7993 | linux 2.[01] + glibc |
8553 | linux 2.[01] + glibc |
7994 | unixware 4.2 |
8554 | unixware 4.2 |
7995 | */ |
8555 | */ |
7996 | 8556 | ||
7997 | #if defined (HAVE_PRSTATUS_T) |
8557 | #if defined (HAVE_PRSTATUS_T) |
7998 | 8558 | ||
7999 | static bfd_boolean |
8559 | static bfd_boolean |
8000 | elfcore_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) |
8560 | elfcore_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) |
8001 | { |
8561 | { |
8002 | size_t size; |
8562 | size_t size; |
8003 | int offset; |
8563 | int offset; |
8004 | 8564 | ||
8005 | if (note->descsz == sizeof (prstatus_t)) |
8565 | if (note->descsz == sizeof (prstatus_t)) |
8006 | { |
8566 | { |
8007 | prstatus_t prstat; |
8567 | prstatus_t prstat; |
8008 | 8568 | ||
8009 | size = sizeof (prstat.pr_reg); |
8569 | size = sizeof (prstat.pr_reg); |
8010 | offset = offsetof (prstatus_t, pr_reg); |
8570 | offset = offsetof (prstatus_t, pr_reg); |
8011 | memcpy (&prstat, note->descdata, sizeof (prstat)); |
8571 | memcpy (&prstat, note->descdata, sizeof (prstat)); |
8012 | 8572 | ||
8013 | /* Do not overwrite the core signal if it |
8573 | /* Do not overwrite the core signal if it |
8014 | has already been set by another thread. */ |
8574 | has already been set by another thread. */ |
8015 | if (elf_tdata (abfd)->core->signal == 0) |
8575 | if (elf_tdata (abfd)->core->signal == 0) |
8016 | elf_tdata (abfd)->core->signal = prstat.pr_cursig; |
8576 | elf_tdata (abfd)->core->signal = prstat.pr_cursig; |
8017 | if (elf_tdata (abfd)->core->pid == 0) |
8577 | if (elf_tdata (abfd)->core->pid == 0) |
8018 | elf_tdata (abfd)->core->pid = prstat.pr_pid; |
8578 | elf_tdata (abfd)->core->pid = prstat.pr_pid; |
8019 | 8579 | ||
8020 | /* pr_who exists on: |
8580 | /* pr_who exists on: |
8021 | solaris 2.5+ |
8581 | solaris 2.5+ |
8022 | unixware 4.2 |
8582 | unixware 4.2 |
8023 | pr_who doesn't exist on: |
8583 | pr_who doesn't exist on: |
8024 | linux 2.[01] |
8584 | linux 2.[01] |
8025 | */ |
8585 | */ |
8026 | #if defined (HAVE_PRSTATUS_T_PR_WHO) |
8586 | #if defined (HAVE_PRSTATUS_T_PR_WHO) |
8027 | elf_tdata (abfd)->core->lwpid = prstat.pr_who; |
8587 | elf_tdata (abfd)->core->lwpid = prstat.pr_who; |
8028 | #else |
8588 | #else |
8029 | elf_tdata (abfd)->core->lwpid = prstat.pr_pid; |
8589 | elf_tdata (abfd)->core->lwpid = prstat.pr_pid; |
8030 | #endif |
8590 | #endif |
8031 | } |
8591 | } |
8032 | #if defined (HAVE_PRSTATUS32_T) |
8592 | #if defined (HAVE_PRSTATUS32_T) |
8033 | else if (note->descsz == sizeof (prstatus32_t)) |
8593 | else if (note->descsz == sizeof (prstatus32_t)) |
8034 | { |
8594 | { |
8035 | /* 64-bit host, 32-bit corefile */ |
8595 | /* 64-bit host, 32-bit corefile */ |
8036 | prstatus32_t prstat; |
8596 | prstatus32_t prstat; |
8037 | 8597 | ||
8038 | size = sizeof (prstat.pr_reg); |
8598 | size = sizeof (prstat.pr_reg); |
8039 | offset = offsetof (prstatus32_t, pr_reg); |
8599 | offset = offsetof (prstatus32_t, pr_reg); |
8040 | memcpy (&prstat, note->descdata, sizeof (prstat)); |
8600 | memcpy (&prstat, note->descdata, sizeof (prstat)); |
8041 | 8601 | ||
8042 | /* Do not overwrite the core signal if it |
8602 | /* Do not overwrite the core signal if it |
8043 | has already been set by another thread. */ |
8603 | has already been set by another thread. */ |
8044 | if (elf_tdata (abfd)->core->signal == 0) |
8604 | if (elf_tdata (abfd)->core->signal == 0) |
8045 | elf_tdata (abfd)->core->signal = prstat.pr_cursig; |
8605 | elf_tdata (abfd)->core->signal = prstat.pr_cursig; |
8046 | if (elf_tdata (abfd)->core->pid == 0) |
8606 | if (elf_tdata (abfd)->core->pid == 0) |
8047 | elf_tdata (abfd)->core->pid = prstat.pr_pid; |
8607 | elf_tdata (abfd)->core->pid = prstat.pr_pid; |
8048 | 8608 | ||
8049 | /* pr_who exists on: |
8609 | /* pr_who exists on: |
8050 | solaris 2.5+ |
8610 | solaris 2.5+ |
8051 | unixware 4.2 |
8611 | unixware 4.2 |
8052 | pr_who doesn't exist on: |
8612 | pr_who doesn't exist on: |
8053 | linux 2.[01] |
8613 | linux 2.[01] |
8054 | */ |
8614 | */ |
8055 | #if defined (HAVE_PRSTATUS32_T_PR_WHO) |
8615 | #if defined (HAVE_PRSTATUS32_T_PR_WHO) |
8056 | elf_tdata (abfd)->core->lwpid = prstat.pr_who; |
8616 | elf_tdata (abfd)->core->lwpid = prstat.pr_who; |
8057 | #else |
8617 | #else |
8058 | elf_tdata (abfd)->core->lwpid = prstat.pr_pid; |
8618 | elf_tdata (abfd)->core->lwpid = prstat.pr_pid; |
8059 | #endif |
8619 | #endif |
8060 | } |
8620 | } |
8061 | #endif /* HAVE_PRSTATUS32_T */ |
8621 | #endif /* HAVE_PRSTATUS32_T */ |
8062 | else |
8622 | else |
8063 | { |
8623 | { |
8064 | /* Fail - we don't know how to handle any other |
8624 | /* Fail - we don't know how to handle any other |
8065 | note size (ie. data object type). */ |
8625 | note size (ie. data object type). */ |
8066 | return TRUE; |
8626 | return TRUE; |
8067 | } |
8627 | } |
8068 | 8628 | ||
8069 | /* Make a ".reg/999" section and a ".reg" section. */ |
8629 | /* Make a ".reg/999" section and a ".reg" section. */ |
8070 | return _bfd_elfcore_make_pseudosection (abfd, ".reg", |
8630 | return _bfd_elfcore_make_pseudosection (abfd, ".reg", |
8071 | size, note->descpos + offset); |
8631 | size, note->descpos + offset); |
8072 | } |
8632 | } |
8073 | #endif /* defined (HAVE_PRSTATUS_T) */ |
8633 | #endif /* defined (HAVE_PRSTATUS_T) */ |
8074 | 8634 | ||
8075 | /* Create a pseudosection containing the exact contents of NOTE. */ |
8635 | /* Create a pseudosection containing the exact contents of NOTE. */ |
8076 | static bfd_boolean |
8636 | static bfd_boolean |
8077 | elfcore_make_note_pseudosection (bfd *abfd, |
8637 | elfcore_make_note_pseudosection (bfd *abfd, |
8078 | char *name, |
8638 | char *name, |
8079 | Elf_Internal_Note *note) |
8639 | Elf_Internal_Note *note) |
8080 | { |
8640 | { |
8081 | return _bfd_elfcore_make_pseudosection (abfd, name, |
8641 | return _bfd_elfcore_make_pseudosection (abfd, name, |
8082 | note->descsz, note->descpos); |
8642 | note->descsz, note->descpos); |
8083 | } |
8643 | } |
8084 | 8644 | ||
8085 | /* There isn't a consistent prfpregset_t across platforms, |
8645 | /* There isn't a consistent prfpregset_t across platforms, |
8086 | but it doesn't matter, because we don't have to pick this |
8646 | but it doesn't matter, because we don't have to pick this |
8087 | data structure apart. */ |
8647 | data structure apart. */ |
8088 | 8648 | ||
8089 | static bfd_boolean |
8649 | static bfd_boolean |
8090 | elfcore_grok_prfpreg (bfd *abfd, Elf_Internal_Note *note) |
8650 | elfcore_grok_prfpreg (bfd *abfd, Elf_Internal_Note *note) |
8091 | { |
8651 | { |
8092 | return elfcore_make_note_pseudosection (abfd, ".reg2", note); |
8652 | return elfcore_make_note_pseudosection (abfd, ".reg2", note); |
8093 | } |
8653 | } |
8094 | 8654 | ||
8095 | /* Linux dumps the Intel SSE regs in a note named "LINUX" with a note |
8655 | /* Linux dumps the Intel SSE regs in a note named "LINUX" with a note |
8096 | type of NT_PRXFPREG. Just include the whole note's contents |
8656 | type of NT_PRXFPREG. Just include the whole note's contents |
8097 | literally. */ |
8657 | literally. */ |
8098 | 8658 | ||
8099 | static bfd_boolean |
8659 | static bfd_boolean |
8100 | elfcore_grok_prxfpreg (bfd *abfd, Elf_Internal_Note *note) |
8660 | elfcore_grok_prxfpreg (bfd *abfd, Elf_Internal_Note *note) |
8101 | { |
8661 | { |
8102 | return elfcore_make_note_pseudosection (abfd, ".reg-xfp", note); |
8662 | return elfcore_make_note_pseudosection (abfd, ".reg-xfp", note); |
8103 | } |
8663 | } |
8104 | 8664 | ||
8105 | /* Linux dumps the Intel XSAVE extended state in a note named "LINUX" |
8665 | /* Linux dumps the Intel XSAVE extended state in a note named "LINUX" |
8106 | with a note type of NT_X86_XSTATE. Just include the whole note's |
8666 | with a note type of NT_X86_XSTATE. Just include the whole note's |
8107 | contents literally. */ |
8667 | contents literally. */ |
8108 | 8668 | ||
8109 | static bfd_boolean |
8669 | static bfd_boolean |
8110 | elfcore_grok_xstatereg (bfd *abfd, Elf_Internal_Note *note) |
8670 | elfcore_grok_xstatereg (bfd *abfd, Elf_Internal_Note *note) |
8111 | { |
8671 | { |
8112 | return elfcore_make_note_pseudosection (abfd, ".reg-xstate", note); |
8672 | return elfcore_make_note_pseudosection (abfd, ".reg-xstate", note); |
8113 | } |
8673 | } |
8114 | 8674 | ||
8115 | static bfd_boolean |
8675 | static bfd_boolean |
8116 | elfcore_grok_ppc_vmx (bfd *abfd, Elf_Internal_Note *note) |
8676 | elfcore_grok_ppc_vmx (bfd *abfd, Elf_Internal_Note *note) |
8117 | { |
8677 | { |
8118 | return elfcore_make_note_pseudosection (abfd, ".reg-ppc-vmx", note); |
8678 | return elfcore_make_note_pseudosection (abfd, ".reg-ppc-vmx", note); |
8119 | } |
8679 | } |
8120 | 8680 | ||
8121 | static bfd_boolean |
8681 | static bfd_boolean |
8122 | elfcore_grok_ppc_vsx (bfd *abfd, Elf_Internal_Note *note) |
8682 | elfcore_grok_ppc_vsx (bfd *abfd, Elf_Internal_Note *note) |
8123 | { |
8683 | { |
8124 | return elfcore_make_note_pseudosection (abfd, ".reg-ppc-vsx", note); |
8684 | return elfcore_make_note_pseudosection (abfd, ".reg-ppc-vsx", note); |
8125 | } |
8685 | } |
8126 | 8686 | ||
8127 | static bfd_boolean |
8687 | static bfd_boolean |
8128 | elfcore_grok_s390_high_gprs (bfd *abfd, Elf_Internal_Note *note) |
8688 | elfcore_grok_s390_high_gprs (bfd *abfd, Elf_Internal_Note *note) |
8129 | { |
8689 | { |
8130 | return elfcore_make_note_pseudosection (abfd, ".reg-s390-high-gprs", note); |
8690 | return elfcore_make_note_pseudosection (abfd, ".reg-s390-high-gprs", note); |
8131 | } |
8691 | } |
8132 | 8692 | ||
8133 | static bfd_boolean |
8693 | static bfd_boolean |
8134 | elfcore_grok_s390_timer (bfd *abfd, Elf_Internal_Note *note) |
8694 | elfcore_grok_s390_timer (bfd *abfd, Elf_Internal_Note *note) |
8135 | { |
8695 | { |
8136 | return elfcore_make_note_pseudosection (abfd, ".reg-s390-timer", note); |
8696 | return elfcore_make_note_pseudosection (abfd, ".reg-s390-timer", note); |
8137 | } |
8697 | } |
8138 | 8698 | ||
8139 | static bfd_boolean |
8699 | static bfd_boolean |
8140 | elfcore_grok_s390_todcmp (bfd *abfd, Elf_Internal_Note *note) |
8700 | elfcore_grok_s390_todcmp (bfd *abfd, Elf_Internal_Note *note) |
8141 | { |
8701 | { |
8142 | return elfcore_make_note_pseudosection (abfd, ".reg-s390-todcmp", note); |
8702 | return elfcore_make_note_pseudosection (abfd, ".reg-s390-todcmp", note); |
8143 | } |
8703 | } |
8144 | 8704 | ||
8145 | static bfd_boolean |
8705 | static bfd_boolean |
8146 | elfcore_grok_s390_todpreg (bfd *abfd, Elf_Internal_Note *note) |
8706 | elfcore_grok_s390_todpreg (bfd *abfd, Elf_Internal_Note *note) |
8147 | { |
8707 | { |
8148 | return elfcore_make_note_pseudosection (abfd, ".reg-s390-todpreg", note); |
8708 | return elfcore_make_note_pseudosection (abfd, ".reg-s390-todpreg", note); |
8149 | } |
8709 | } |
8150 | 8710 | ||
8151 | static bfd_boolean |
8711 | static bfd_boolean |
8152 | elfcore_grok_s390_ctrs (bfd *abfd, Elf_Internal_Note *note) |
8712 | elfcore_grok_s390_ctrs (bfd *abfd, Elf_Internal_Note *note) |
8153 | { |
8713 | { |
8154 | return elfcore_make_note_pseudosection (abfd, ".reg-s390-ctrs", note); |
8714 | return elfcore_make_note_pseudosection (abfd, ".reg-s390-ctrs", note); |
8155 | } |
8715 | } |
8156 | 8716 | ||
8157 | static bfd_boolean |
8717 | static bfd_boolean |
8158 | elfcore_grok_s390_prefix (bfd *abfd, Elf_Internal_Note *note) |
8718 | elfcore_grok_s390_prefix (bfd *abfd, Elf_Internal_Note *note) |
8159 | { |
8719 | { |
8160 | return elfcore_make_note_pseudosection (abfd, ".reg-s390-prefix", note); |
8720 | return elfcore_make_note_pseudosection (abfd, ".reg-s390-prefix", note); |
8161 | } |
8721 | } |
8162 | 8722 | ||
8163 | static bfd_boolean |
8723 | static bfd_boolean |
8164 | elfcore_grok_s390_last_break (bfd *abfd, Elf_Internal_Note *note) |
8724 | elfcore_grok_s390_last_break (bfd *abfd, Elf_Internal_Note *note) |
8165 | { |
8725 | { |
8166 | return elfcore_make_note_pseudosection (abfd, ".reg-s390-last-break", note); |
8726 | return elfcore_make_note_pseudosection (abfd, ".reg-s390-last-break", note); |
8167 | } |
8727 | } |
8168 | 8728 | ||
8169 | static bfd_boolean |
8729 | static bfd_boolean |
8170 | elfcore_grok_s390_system_call (bfd *abfd, Elf_Internal_Note *note) |
8730 | elfcore_grok_s390_system_call (bfd *abfd, Elf_Internal_Note *note) |
8171 | { |
8731 | { |
8172 | return elfcore_make_note_pseudosection (abfd, ".reg-s390-system-call", note); |
8732 | return elfcore_make_note_pseudosection (abfd, ".reg-s390-system-call", note); |
8173 | } |
8733 | } |
8174 | 8734 | ||
8175 | static bfd_boolean |
8735 | static bfd_boolean |
8176 | elfcore_grok_s390_tdb (bfd *abfd, Elf_Internal_Note *note) |
8736 | elfcore_grok_s390_tdb (bfd *abfd, Elf_Internal_Note *note) |
8177 | { |
8737 | { |
8178 | return elfcore_make_note_pseudosection (abfd, ".reg-s390-tdb", note); |
8738 | return elfcore_make_note_pseudosection (abfd, ".reg-s390-tdb", note); |
8179 | } |
8739 | } |
8180 | 8740 | ||
8181 | static bfd_boolean |
8741 | static bfd_boolean |
- | 8742 | elfcore_grok_s390_vxrs_low (bfd *abfd, Elf_Internal_Note *note) |
|
- | 8743 | { |
|
- | 8744 | return elfcore_make_note_pseudosection (abfd, ".reg-s390-vxrs-low", note); |
|
- | 8745 | } |
|
- | 8746 | ||
- | 8747 | static bfd_boolean |
|
- | 8748 | elfcore_grok_s390_vxrs_high (bfd *abfd, Elf_Internal_Note *note) |
|
- | 8749 | { |
|
- | 8750 | return elfcore_make_note_pseudosection (abfd, ".reg-s390-vxrs-high", note); |
|
- | 8751 | } |
|
- | 8752 | ||
- | 8753 | static bfd_boolean |
|
8182 | elfcore_grok_arm_vfp (bfd *abfd, Elf_Internal_Note *note) |
8754 | elfcore_grok_arm_vfp (bfd *abfd, Elf_Internal_Note *note) |
8183 | { |
8755 | { |
8184 | return elfcore_make_note_pseudosection (abfd, ".reg-arm-vfp", note); |
8756 | return elfcore_make_note_pseudosection (abfd, ".reg-arm-vfp", note); |
8185 | } |
8757 | } |
8186 | 8758 | ||
8187 | static bfd_boolean |
8759 | static bfd_boolean |
8188 | elfcore_grok_aarch_tls (bfd *abfd, Elf_Internal_Note *note) |
8760 | elfcore_grok_aarch_tls (bfd *abfd, Elf_Internal_Note *note) |
8189 | { |
8761 | { |
8190 | return elfcore_make_note_pseudosection (abfd, ".reg-aarch-tls", note); |
8762 | return elfcore_make_note_pseudosection (abfd, ".reg-aarch-tls", note); |
8191 | } |
8763 | } |
8192 | 8764 | ||
8193 | static bfd_boolean |
8765 | static bfd_boolean |
8194 | elfcore_grok_aarch_hw_break (bfd *abfd, Elf_Internal_Note *note) |
8766 | elfcore_grok_aarch_hw_break (bfd *abfd, Elf_Internal_Note *note) |
8195 | { |
8767 | { |
8196 | return elfcore_make_note_pseudosection (abfd, ".reg-aarch-hw-break", note); |
8768 | return elfcore_make_note_pseudosection (abfd, ".reg-aarch-hw-break", note); |
8197 | } |
8769 | } |
8198 | 8770 | ||
8199 | static bfd_boolean |
8771 | static bfd_boolean |
8200 | elfcore_grok_aarch_hw_watch (bfd *abfd, Elf_Internal_Note *note) |
8772 | elfcore_grok_aarch_hw_watch (bfd *abfd, Elf_Internal_Note *note) |
8201 | { |
8773 | { |
8202 | return elfcore_make_note_pseudosection (abfd, ".reg-aarch-hw-watch", note); |
8774 | return elfcore_make_note_pseudosection (abfd, ".reg-aarch-hw-watch", note); |
8203 | } |
8775 | } |
8204 | 8776 | ||
8205 | #if defined (HAVE_PRPSINFO_T) |
8777 | #if defined (HAVE_PRPSINFO_T) |
8206 | typedef prpsinfo_t elfcore_psinfo_t; |
8778 | typedef prpsinfo_t elfcore_psinfo_t; |
8207 | #if defined (HAVE_PRPSINFO32_T) /* Sparc64 cross Sparc32 */ |
8779 | #if defined (HAVE_PRPSINFO32_T) /* Sparc64 cross Sparc32 */ |
8208 | typedef prpsinfo32_t elfcore_psinfo32_t; |
8780 | typedef prpsinfo32_t elfcore_psinfo32_t; |
8209 | #endif |
8781 | #endif |
8210 | #endif |
8782 | #endif |
8211 | 8783 | ||
8212 | #if defined (HAVE_PSINFO_T) |
8784 | #if defined (HAVE_PSINFO_T) |
8213 | typedef psinfo_t elfcore_psinfo_t; |
8785 | typedef psinfo_t elfcore_psinfo_t; |
8214 | #if defined (HAVE_PSINFO32_T) /* Sparc64 cross Sparc32 */ |
8786 | #if defined (HAVE_PSINFO32_T) /* Sparc64 cross Sparc32 */ |
8215 | typedef psinfo32_t elfcore_psinfo32_t; |
8787 | typedef psinfo32_t elfcore_psinfo32_t; |
8216 | #endif |
8788 | #endif |
8217 | #endif |
8789 | #endif |
8218 | 8790 | ||
8219 | /* return a malloc'ed copy of a string at START which is at |
8791 | /* return a malloc'ed copy of a string at START which is at |
8220 | most MAX bytes long, possibly without a terminating '\0'. |
8792 | most MAX bytes long, possibly without a terminating '\0'. |
8221 | the copy will always have a terminating '\0'. */ |
8793 | the copy will always have a terminating '\0'. */ |
8222 | 8794 | ||
8223 | char * |
8795 | char * |
8224 | _bfd_elfcore_strndup (bfd *abfd, char *start, size_t max) |
8796 | _bfd_elfcore_strndup (bfd *abfd, char *start, size_t max) |
8225 | { |
8797 | { |
8226 | char *dups; |
8798 | char *dups; |
8227 | char *end = (char *) memchr (start, '\0', max); |
8799 | char *end = (char *) memchr (start, '\0', max); |
8228 | size_t len; |
8800 | size_t len; |
8229 | 8801 | ||
8230 | if (end == NULL) |
8802 | if (end == NULL) |
8231 | len = max; |
8803 | len = max; |
8232 | else |
8804 | else |
8233 | len = end - start; |
8805 | len = end - start; |
8234 | 8806 | ||
8235 | dups = (char *) bfd_alloc (abfd, len + 1); |
8807 | dups = (char *) bfd_alloc (abfd, len + 1); |
8236 | if (dups == NULL) |
8808 | if (dups == NULL) |
8237 | return NULL; |
8809 | return NULL; |
8238 | 8810 | ||
8239 | memcpy (dups, start, len); |
8811 | memcpy (dups, start, len); |
8240 | dups[len] = '\0'; |
8812 | dups[len] = '\0'; |
8241 | 8813 | ||
8242 | return dups; |
8814 | return dups; |
8243 | } |
8815 | } |
8244 | 8816 | ||
8245 | #if defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T) |
8817 | #if defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T) |
8246 | static bfd_boolean |
8818 | static bfd_boolean |
8247 | elfcore_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) |
8819 | elfcore_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) |
8248 | { |
8820 | { |
8249 | if (note->descsz == sizeof (elfcore_psinfo_t)) |
8821 | if (note->descsz == sizeof (elfcore_psinfo_t)) |
8250 | { |
8822 | { |
8251 | elfcore_psinfo_t psinfo; |
8823 | elfcore_psinfo_t psinfo; |
8252 | 8824 | ||
8253 | memcpy (&psinfo, note->descdata, sizeof (psinfo)); |
8825 | memcpy (&psinfo, note->descdata, sizeof (psinfo)); |
8254 | 8826 | ||
8255 | #if defined (HAVE_PSINFO_T_PR_PID) || defined (HAVE_PRPSINFO_T_PR_PID) |
8827 | #if defined (HAVE_PSINFO_T_PR_PID) || defined (HAVE_PRPSINFO_T_PR_PID) |
8256 | elf_tdata (abfd)->core->pid = psinfo.pr_pid; |
8828 | elf_tdata (abfd)->core->pid = psinfo.pr_pid; |
8257 | #endif |
8829 | #endif |
8258 | elf_tdata (abfd)->core->program |
8830 | elf_tdata (abfd)->core->program |
8259 | = _bfd_elfcore_strndup (abfd, psinfo.pr_fname, |
8831 | = _bfd_elfcore_strndup (abfd, psinfo.pr_fname, |
8260 | sizeof (psinfo.pr_fname)); |
8832 | sizeof (psinfo.pr_fname)); |
8261 | 8833 | ||
8262 | elf_tdata (abfd)->core->command |
8834 | elf_tdata (abfd)->core->command |
8263 | = _bfd_elfcore_strndup (abfd, psinfo.pr_psargs, |
8835 | = _bfd_elfcore_strndup (abfd, psinfo.pr_psargs, |
8264 | sizeof (psinfo.pr_psargs)); |
8836 | sizeof (psinfo.pr_psargs)); |
8265 | } |
8837 | } |
8266 | #if defined (HAVE_PRPSINFO32_T) || defined (HAVE_PSINFO32_T) |
8838 | #if defined (HAVE_PRPSINFO32_T) || defined (HAVE_PSINFO32_T) |
8267 | else if (note->descsz == sizeof (elfcore_psinfo32_t)) |
8839 | else if (note->descsz == sizeof (elfcore_psinfo32_t)) |
8268 | { |
8840 | { |
8269 | /* 64-bit host, 32-bit corefile */ |
8841 | /* 64-bit host, 32-bit corefile */ |
8270 | elfcore_psinfo32_t psinfo; |
8842 | elfcore_psinfo32_t psinfo; |
8271 | 8843 | ||
8272 | memcpy (&psinfo, note->descdata, sizeof (psinfo)); |
8844 | memcpy (&psinfo, note->descdata, sizeof (psinfo)); |
8273 | 8845 | ||
8274 | #if defined (HAVE_PSINFO32_T_PR_PID) || defined (HAVE_PRPSINFO32_T_PR_PID) |
8846 | #if defined (HAVE_PSINFO32_T_PR_PID) || defined (HAVE_PRPSINFO32_T_PR_PID) |
8275 | elf_tdata (abfd)->core->pid = psinfo.pr_pid; |
8847 | elf_tdata (abfd)->core->pid = psinfo.pr_pid; |
8276 | #endif |
8848 | #endif |
8277 | elf_tdata (abfd)->core->program |
8849 | elf_tdata (abfd)->core->program |
8278 | = _bfd_elfcore_strndup (abfd, psinfo.pr_fname, |
8850 | = _bfd_elfcore_strndup (abfd, psinfo.pr_fname, |
8279 | sizeof (psinfo.pr_fname)); |
8851 | sizeof (psinfo.pr_fname)); |
8280 | 8852 | ||
8281 | elf_tdata (abfd)->core->command |
8853 | elf_tdata (abfd)->core->command |
8282 | = _bfd_elfcore_strndup (abfd, psinfo.pr_psargs, |
8854 | = _bfd_elfcore_strndup (abfd, psinfo.pr_psargs, |
8283 | sizeof (psinfo.pr_psargs)); |
8855 | sizeof (psinfo.pr_psargs)); |
8284 | } |
8856 | } |
8285 | #endif |
8857 | #endif |
8286 | 8858 | ||
8287 | else |
8859 | else |
8288 | { |
8860 | { |
8289 | /* Fail - we don't know how to handle any other |
8861 | /* Fail - we don't know how to handle any other |
8290 | note size (ie. data object type). */ |
8862 | note size (ie. data object type). */ |
8291 | return TRUE; |
8863 | return TRUE; |
8292 | } |
8864 | } |
8293 | 8865 | ||
8294 | /* Note that for some reason, a spurious space is tacked |
8866 | /* Note that for some reason, a spurious space is tacked |
8295 | onto the end of the args in some (at least one anyway) |
8867 | onto the end of the args in some (at least one anyway) |
8296 | implementations, so strip it off if it exists. */ |
8868 | implementations, so strip it off if it exists. */ |
8297 | 8869 | ||
8298 | { |
8870 | { |
8299 | char *command = elf_tdata (abfd)->core->command; |
8871 | char *command = elf_tdata (abfd)->core->command; |
8300 | int n = strlen (command); |
8872 | int n = strlen (command); |
8301 | 8873 | ||
8302 | if (0 < n && command[n - 1] == ' ') |
8874 | if (0 < n && command[n - 1] == ' ') |
8303 | command[n - 1] = '\0'; |
8875 | command[n - 1] = '\0'; |
8304 | } |
8876 | } |
8305 | 8877 | ||
8306 | return TRUE; |
8878 | return TRUE; |
8307 | } |
8879 | } |
8308 | #endif /* defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T) */ |
8880 | #endif /* defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T) */ |
8309 | 8881 | ||
8310 | #if defined (HAVE_PSTATUS_T) |
8882 | #if defined (HAVE_PSTATUS_T) |
8311 | static bfd_boolean |
8883 | static bfd_boolean |
8312 | elfcore_grok_pstatus (bfd *abfd, Elf_Internal_Note *note) |
8884 | elfcore_grok_pstatus (bfd *abfd, Elf_Internal_Note *note) |
8313 | { |
8885 | { |
8314 | if (note->descsz == sizeof (pstatus_t) |
8886 | if (note->descsz == sizeof (pstatus_t) |
8315 | #if defined (HAVE_PXSTATUS_T) |
8887 | #if defined (HAVE_PXSTATUS_T) |
8316 | || note->descsz == sizeof (pxstatus_t) |
8888 | || note->descsz == sizeof (pxstatus_t) |
8317 | #endif |
8889 | #endif |
8318 | ) |
8890 | ) |
8319 | { |
8891 | { |
8320 | pstatus_t pstat; |
8892 | pstatus_t pstat; |
8321 | 8893 | ||
8322 | memcpy (&pstat, note->descdata, sizeof (pstat)); |
8894 | memcpy (&pstat, note->descdata, sizeof (pstat)); |
8323 | 8895 | ||
8324 | elf_tdata (abfd)->core->pid = pstat.pr_pid; |
8896 | elf_tdata (abfd)->core->pid = pstat.pr_pid; |
8325 | } |
8897 | } |
8326 | #if defined (HAVE_PSTATUS32_T) |
8898 | #if defined (HAVE_PSTATUS32_T) |
8327 | else if (note->descsz == sizeof (pstatus32_t)) |
8899 | else if (note->descsz == sizeof (pstatus32_t)) |
8328 | { |
8900 | { |
8329 | /* 64-bit host, 32-bit corefile */ |
8901 | /* 64-bit host, 32-bit corefile */ |
8330 | pstatus32_t pstat; |
8902 | pstatus32_t pstat; |
8331 | 8903 | ||
8332 | memcpy (&pstat, note->descdata, sizeof (pstat)); |
8904 | memcpy (&pstat, note->descdata, sizeof (pstat)); |
8333 | 8905 | ||
8334 | elf_tdata (abfd)->core->pid = pstat.pr_pid; |
8906 | elf_tdata (abfd)->core->pid = pstat.pr_pid; |
8335 | } |
8907 | } |
8336 | #endif |
8908 | #endif |
8337 | /* Could grab some more details from the "representative" |
8909 | /* Could grab some more details from the "representative" |
8338 | lwpstatus_t in pstat.pr_lwp, but we'll catch it all in an |
8910 | lwpstatus_t in pstat.pr_lwp, but we'll catch it all in an |
8339 | NT_LWPSTATUS note, presumably. */ |
8911 | NT_LWPSTATUS note, presumably. */ |
8340 | 8912 | ||
8341 | return TRUE; |
8913 | return TRUE; |
8342 | } |
8914 | } |
8343 | #endif /* defined (HAVE_PSTATUS_T) */ |
8915 | #endif /* defined (HAVE_PSTATUS_T) */ |
8344 | 8916 | ||
8345 | #if defined (HAVE_LWPSTATUS_T) |
8917 | #if defined (HAVE_LWPSTATUS_T) |
8346 | static bfd_boolean |
8918 | static bfd_boolean |
8347 | elfcore_grok_lwpstatus (bfd *abfd, Elf_Internal_Note *note) |
8919 | elfcore_grok_lwpstatus (bfd *abfd, Elf_Internal_Note *note) |
8348 | { |
8920 | { |
8349 | lwpstatus_t lwpstat; |
8921 | lwpstatus_t lwpstat; |
8350 | char buf[100]; |
8922 | char buf[100]; |
8351 | char *name; |
8923 | char *name; |
8352 | size_t len; |
8924 | size_t len; |
8353 | asection *sect; |
8925 | asection *sect; |
8354 | 8926 | ||
8355 | if (note->descsz != sizeof (lwpstat) |
8927 | if (note->descsz != sizeof (lwpstat) |
8356 | #if defined (HAVE_LWPXSTATUS_T) |
8928 | #if defined (HAVE_LWPXSTATUS_T) |
8357 | && note->descsz != sizeof (lwpxstatus_t) |
8929 | && note->descsz != sizeof (lwpxstatus_t) |
8358 | #endif |
8930 | #endif |
8359 | ) |
8931 | ) |
8360 | return TRUE; |
8932 | return TRUE; |
8361 | 8933 | ||
8362 | memcpy (&lwpstat, note->descdata, sizeof (lwpstat)); |
8934 | memcpy (&lwpstat, note->descdata, sizeof (lwpstat)); |
8363 | 8935 | ||
8364 | elf_tdata (abfd)->core->lwpid = lwpstat.pr_lwpid; |
8936 | elf_tdata (abfd)->core->lwpid = lwpstat.pr_lwpid; |
8365 | /* Do not overwrite the core signal if it has already been set by |
8937 | /* Do not overwrite the core signal if it has already been set by |
8366 | another thread. */ |
8938 | another thread. */ |
8367 | if (elf_tdata (abfd)->core->signal == 0) |
8939 | if (elf_tdata (abfd)->core->signal == 0) |
8368 | elf_tdata (abfd)->core->signal = lwpstat.pr_cursig; |
8940 | elf_tdata (abfd)->core->signal = lwpstat.pr_cursig; |
8369 | 8941 | ||
8370 | /* Make a ".reg/999" section. */ |
8942 | /* Make a ".reg/999" section. */ |
8371 | 8943 | ||
8372 | sprintf (buf, ".reg/%d", elfcore_make_pid (abfd)); |
8944 | sprintf (buf, ".reg/%d", elfcore_make_pid (abfd)); |
8373 | len = strlen (buf) + 1; |
8945 | len = strlen (buf) + 1; |
8374 | name = bfd_alloc (abfd, len); |
8946 | name = bfd_alloc (abfd, len); |
8375 | if (name == NULL) |
8947 | if (name == NULL) |
8376 | return FALSE; |
8948 | return FALSE; |
8377 | memcpy (name, buf, len); |
8949 | memcpy (name, buf, len); |
8378 | 8950 | ||
8379 | sect = bfd_make_section_anyway_with_flags (abfd, name, SEC_HAS_CONTENTS); |
8951 | sect = bfd_make_section_anyway_with_flags (abfd, name, SEC_HAS_CONTENTS); |
8380 | if (sect == NULL) |
8952 | if (sect == NULL) |
8381 | return FALSE; |
8953 | return FALSE; |
8382 | 8954 | ||
8383 | #if defined (HAVE_LWPSTATUS_T_PR_CONTEXT) |
8955 | #if defined (HAVE_LWPSTATUS_T_PR_CONTEXT) |
8384 | sect->size = sizeof (lwpstat.pr_context.uc_mcontext.gregs); |
8956 | sect->size = sizeof (lwpstat.pr_context.uc_mcontext.gregs); |
8385 | sect->filepos = note->descpos |
8957 | sect->filepos = note->descpos |
8386 | + offsetof (lwpstatus_t, pr_context.uc_mcontext.gregs); |
8958 | + offsetof (lwpstatus_t, pr_context.uc_mcontext.gregs); |
8387 | #endif |
8959 | #endif |
8388 | 8960 | ||
8389 | #if defined (HAVE_LWPSTATUS_T_PR_REG) |
8961 | #if defined (HAVE_LWPSTATUS_T_PR_REG) |
8390 | sect->size = sizeof (lwpstat.pr_reg); |
8962 | sect->size = sizeof (lwpstat.pr_reg); |
8391 | sect->filepos = note->descpos + offsetof (lwpstatus_t, pr_reg); |
8963 | sect->filepos = note->descpos + offsetof (lwpstatus_t, pr_reg); |
8392 | #endif |
8964 | #endif |
8393 | 8965 | ||
8394 | sect->alignment_power = 2; |
8966 | sect->alignment_power = 2; |
8395 | 8967 | ||
8396 | if (!elfcore_maybe_make_sect (abfd, ".reg", sect)) |
8968 | if (!elfcore_maybe_make_sect (abfd, ".reg", sect)) |
8397 | return FALSE; |
8969 | return FALSE; |
8398 | 8970 | ||
8399 | /* Make a ".reg2/999" section */ |
8971 | /* Make a ".reg2/999" section */ |
8400 | 8972 | ||
8401 | sprintf (buf, ".reg2/%d", elfcore_make_pid (abfd)); |
8973 | sprintf (buf, ".reg2/%d", elfcore_make_pid (abfd)); |
8402 | len = strlen (buf) + 1; |
8974 | len = strlen (buf) + 1; |
8403 | name = bfd_alloc (abfd, len); |
8975 | name = bfd_alloc (abfd, len); |
8404 | if (name == NULL) |
8976 | if (name == NULL) |
8405 | return FALSE; |
8977 | return FALSE; |
8406 | memcpy (name, buf, len); |
8978 | memcpy (name, buf, len); |
8407 | 8979 | ||
8408 | sect = bfd_make_section_anyway_with_flags (abfd, name, SEC_HAS_CONTENTS); |
8980 | sect = bfd_make_section_anyway_with_flags (abfd, name, SEC_HAS_CONTENTS); |
8409 | if (sect == NULL) |
8981 | if (sect == NULL) |
8410 | return FALSE; |
8982 | return FALSE; |
8411 | 8983 | ||
8412 | #if defined (HAVE_LWPSTATUS_T_PR_CONTEXT) |
8984 | #if defined (HAVE_LWPSTATUS_T_PR_CONTEXT) |
8413 | sect->size = sizeof (lwpstat.pr_context.uc_mcontext.fpregs); |
8985 | sect->size = sizeof (lwpstat.pr_context.uc_mcontext.fpregs); |
8414 | sect->filepos = note->descpos |
8986 | sect->filepos = note->descpos |
8415 | + offsetof (lwpstatus_t, pr_context.uc_mcontext.fpregs); |
8987 | + offsetof (lwpstatus_t, pr_context.uc_mcontext.fpregs); |
8416 | #endif |
8988 | #endif |
8417 | 8989 | ||
8418 | #if defined (HAVE_LWPSTATUS_T_PR_FPREG) |
8990 | #if defined (HAVE_LWPSTATUS_T_PR_FPREG) |
8419 | sect->size = sizeof (lwpstat.pr_fpreg); |
8991 | sect->size = sizeof (lwpstat.pr_fpreg); |
8420 | sect->filepos = note->descpos + offsetof (lwpstatus_t, pr_fpreg); |
8992 | sect->filepos = note->descpos + offsetof (lwpstatus_t, pr_fpreg); |
8421 | #endif |
8993 | #endif |
8422 | 8994 | ||
8423 | sect->alignment_power = 2; |
8995 | sect->alignment_power = 2; |
8424 | 8996 | ||
8425 | return elfcore_maybe_make_sect (abfd, ".reg2", sect); |
8997 | return elfcore_maybe_make_sect (abfd, ".reg2", sect); |
8426 | } |
8998 | } |
8427 | #endif /* defined (HAVE_LWPSTATUS_T) */ |
8999 | #endif /* defined (HAVE_LWPSTATUS_T) */ |
8428 | 9000 | ||
8429 | static bfd_boolean |
9001 | static bfd_boolean |
8430 | elfcore_grok_win32pstatus (bfd *abfd, Elf_Internal_Note *note) |
9002 | elfcore_grok_win32pstatus (bfd *abfd, Elf_Internal_Note *note) |
8431 | { |
9003 | { |
8432 | char buf[30]; |
9004 | char buf[30]; |
8433 | char *name; |
9005 | char *name; |
8434 | size_t len; |
9006 | size_t len; |
8435 | asection *sect; |
9007 | asection *sect; |
8436 | int type; |
9008 | int type; |
8437 | int is_active_thread; |
9009 | int is_active_thread; |
8438 | bfd_vma base_addr; |
9010 | bfd_vma base_addr; |
8439 | 9011 | ||
8440 | if (note->descsz < 728) |
9012 | if (note->descsz < 728) |
8441 | return TRUE; |
9013 | return TRUE; |
8442 | 9014 | ||
8443 | if (! CONST_STRNEQ (note->namedata, "win32")) |
9015 | if (! CONST_STRNEQ (note->namedata, "win32")) |
8444 | return TRUE; |
9016 | return TRUE; |
8445 | 9017 | ||
8446 | type = bfd_get_32 (abfd, note->descdata); |
9018 | type = bfd_get_32 (abfd, note->descdata); |
8447 | 9019 | ||
8448 | switch (type) |
9020 | switch (type) |
8449 | { |
9021 | { |
8450 | case 1 /* NOTE_INFO_PROCESS */: |
9022 | case 1 /* NOTE_INFO_PROCESS */: |
8451 | /* FIXME: need to add ->core->command. */ |
9023 | /* FIXME: need to add ->core->command. */ |
8452 | /* process_info.pid */ |
9024 | /* process_info.pid */ |
8453 | elf_tdata (abfd)->core->pid = bfd_get_32 (abfd, note->descdata + 8); |
9025 | elf_tdata (abfd)->core->pid = bfd_get_32 (abfd, note->descdata + 8); |
8454 | /* process_info.signal */ |
9026 | /* process_info.signal */ |
8455 | elf_tdata (abfd)->core->signal = bfd_get_32 (abfd, note->descdata + 12); |
9027 | elf_tdata (abfd)->core->signal = bfd_get_32 (abfd, note->descdata + 12); |
8456 | break; |
9028 | break; |
8457 | 9029 | ||
8458 | case 2 /* NOTE_INFO_THREAD */: |
9030 | case 2 /* NOTE_INFO_THREAD */: |
8459 | /* Make a ".reg/999" section. */ |
9031 | /* Make a ".reg/999" section. */ |
8460 | /* thread_info.tid */ |
9032 | /* thread_info.tid */ |
8461 | sprintf (buf, ".reg/%ld", (long) bfd_get_32 (abfd, note->descdata + 8)); |
9033 | sprintf (buf, ".reg/%ld", (long) bfd_get_32 (abfd, note->descdata + 8)); |
8462 | 9034 | ||
8463 | len = strlen (buf) + 1; |
9035 | len = strlen (buf) + 1; |
8464 | name = (char *) bfd_alloc (abfd, len); |
9036 | name = (char *) bfd_alloc (abfd, len); |
8465 | if (name == NULL) |
9037 | if (name == NULL) |
8466 | return FALSE; |
9038 | return FALSE; |
8467 | 9039 | ||
8468 | memcpy (name, buf, len); |
9040 | memcpy (name, buf, len); |
8469 | 9041 | ||
8470 | sect = bfd_make_section_anyway_with_flags (abfd, name, SEC_HAS_CONTENTS); |
9042 | sect = bfd_make_section_anyway_with_flags (abfd, name, SEC_HAS_CONTENTS); |
8471 | if (sect == NULL) |
9043 | if (sect == NULL) |
8472 | return FALSE; |
9044 | return FALSE; |
8473 | 9045 | ||
8474 | /* sizeof (thread_info.thread_context) */ |
9046 | /* sizeof (thread_info.thread_context) */ |
8475 | sect->size = 716; |
9047 | sect->size = 716; |
8476 | /* offsetof (thread_info.thread_context) */ |
9048 | /* offsetof (thread_info.thread_context) */ |
8477 | sect->filepos = note->descpos + 12; |
9049 | sect->filepos = note->descpos + 12; |
8478 | sect->alignment_power = 2; |
9050 | sect->alignment_power = 2; |
8479 | 9051 | ||
8480 | /* thread_info.is_active_thread */ |
9052 | /* thread_info.is_active_thread */ |
8481 | is_active_thread = bfd_get_32 (abfd, note->descdata + 8); |
9053 | is_active_thread = bfd_get_32 (abfd, note->descdata + 8); |
8482 | 9054 | ||
8483 | if (is_active_thread) |
9055 | if (is_active_thread) |
8484 | if (! elfcore_maybe_make_sect (abfd, ".reg", sect)) |
9056 | if (! elfcore_maybe_make_sect (abfd, ".reg", sect)) |
8485 | return FALSE; |
9057 | return FALSE; |
8486 | break; |
9058 | break; |
8487 | 9059 | ||
8488 | case 3 /* NOTE_INFO_MODULE */: |
9060 | case 3 /* NOTE_INFO_MODULE */: |
8489 | /* Make a ".module/xxxxxxxx" section. */ |
9061 | /* Make a ".module/xxxxxxxx" section. */ |
8490 | /* module_info.base_address */ |
9062 | /* module_info.base_address */ |
8491 | base_addr = bfd_get_32 (abfd, note->descdata + 4); |
9063 | base_addr = bfd_get_32 (abfd, note->descdata + 4); |
8492 | sprintf (buf, ".module/%08lx", (unsigned long) base_addr); |
9064 | sprintf (buf, ".module/%08lx", (unsigned long) base_addr); |
8493 | 9065 | ||
8494 | len = strlen (buf) + 1; |
9066 | len = strlen (buf) + 1; |
8495 | name = (char *) bfd_alloc (abfd, len); |
9067 | name = (char *) bfd_alloc (abfd, len); |
8496 | if (name == NULL) |
9068 | if (name == NULL) |
8497 | return FALSE; |
9069 | return FALSE; |
8498 | 9070 | ||
8499 | memcpy (name, buf, len); |
9071 | memcpy (name, buf, len); |
8500 | 9072 | ||
8501 | sect = bfd_make_section_anyway_with_flags (abfd, name, SEC_HAS_CONTENTS); |
9073 | sect = bfd_make_section_anyway_with_flags (abfd, name, SEC_HAS_CONTENTS); |
8502 | 9074 | ||
8503 | if (sect == NULL) |
9075 | if (sect == NULL) |
8504 | return FALSE; |
9076 | return FALSE; |
8505 | 9077 | ||
8506 | sect->size = note->descsz; |
9078 | sect->size = note->descsz; |
8507 | sect->filepos = note->descpos; |
9079 | sect->filepos = note->descpos; |
8508 | sect->alignment_power = 2; |
9080 | sect->alignment_power = 2; |
8509 | break; |
9081 | break; |
8510 | 9082 | ||
8511 | default: |
9083 | default: |
8512 | return TRUE; |
9084 | return TRUE; |
8513 | } |
9085 | } |
8514 | 9086 | ||
8515 | return TRUE; |
9087 | return TRUE; |
8516 | } |
9088 | } |
8517 | 9089 | ||
8518 | static bfd_boolean |
9090 | static bfd_boolean |
8519 | elfcore_grok_note (bfd *abfd, Elf_Internal_Note *note) |
9091 | elfcore_grok_note (bfd *abfd, Elf_Internal_Note *note) |
8520 | { |
9092 | { |
8521 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
9093 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
8522 | 9094 | ||
8523 | switch (note->type) |
9095 | switch (note->type) |
8524 | { |
9096 | { |
8525 | default: |
9097 | default: |
8526 | return TRUE; |
9098 | return TRUE; |
8527 | 9099 | ||
8528 | case NT_PRSTATUS: |
9100 | case NT_PRSTATUS: |
8529 | if (bed->elf_backend_grok_prstatus) |
9101 | if (bed->elf_backend_grok_prstatus) |
8530 | if ((*bed->elf_backend_grok_prstatus) (abfd, note)) |
9102 | if ((*bed->elf_backend_grok_prstatus) (abfd, note)) |
8531 | return TRUE; |
9103 | return TRUE; |
8532 | #if defined (HAVE_PRSTATUS_T) |
9104 | #if defined (HAVE_PRSTATUS_T) |
8533 | return elfcore_grok_prstatus (abfd, note); |
9105 | return elfcore_grok_prstatus (abfd, note); |
8534 | #else |
9106 | #else |
8535 | return TRUE; |
9107 | return TRUE; |
8536 | #endif |
9108 | #endif |
8537 | 9109 | ||
8538 | #if defined (HAVE_PSTATUS_T) |
9110 | #if defined (HAVE_PSTATUS_T) |
8539 | case NT_PSTATUS: |
9111 | case NT_PSTATUS: |
8540 | return elfcore_grok_pstatus (abfd, note); |
9112 | return elfcore_grok_pstatus (abfd, note); |
8541 | #endif |
9113 | #endif |
8542 | 9114 | ||
8543 | #if defined (HAVE_LWPSTATUS_T) |
9115 | #if defined (HAVE_LWPSTATUS_T) |
8544 | case NT_LWPSTATUS: |
9116 | case NT_LWPSTATUS: |
8545 | return elfcore_grok_lwpstatus (abfd, note); |
9117 | return elfcore_grok_lwpstatus (abfd, note); |
8546 | #endif |
9118 | #endif |
8547 | 9119 | ||
8548 | case NT_FPREGSET: /* FIXME: rename to NT_PRFPREG */ |
9120 | case NT_FPREGSET: /* FIXME: rename to NT_PRFPREG */ |
8549 | return elfcore_grok_prfpreg (abfd, note); |
9121 | return elfcore_grok_prfpreg (abfd, note); |
8550 | 9122 | ||
8551 | case NT_WIN32PSTATUS: |
9123 | case NT_WIN32PSTATUS: |
8552 | return elfcore_grok_win32pstatus (abfd, note); |
9124 | return elfcore_grok_win32pstatus (abfd, note); |
8553 | 9125 | ||
8554 | case NT_PRXFPREG: /* Linux SSE extension */ |
9126 | case NT_PRXFPREG: /* Linux SSE extension */ |
8555 | if (note->namesz == 6 |
9127 | if (note->namesz == 6 |
8556 | && strcmp (note->namedata, "LINUX") == 0) |
9128 | && strcmp (note->namedata, "LINUX") == 0) |
8557 | return elfcore_grok_prxfpreg (abfd, note); |
9129 | return elfcore_grok_prxfpreg (abfd, note); |
8558 | else |
9130 | else |
8559 | return TRUE; |
9131 | return TRUE; |
8560 | 9132 | ||
8561 | case NT_X86_XSTATE: /* Linux XSAVE extension */ |
9133 | case NT_X86_XSTATE: /* Linux XSAVE extension */ |
8562 | if (note->namesz == 6 |
9134 | if (note->namesz == 6 |
8563 | && strcmp (note->namedata, "LINUX") == 0) |
9135 | && strcmp (note->namedata, "LINUX") == 0) |
8564 | return elfcore_grok_xstatereg (abfd, note); |
9136 | return elfcore_grok_xstatereg (abfd, note); |
- | 9137 | else if (note->namesz == 8 |
|
- | 9138 | && strcmp (note->namedata, "FreeBSD") == 0) |
|
- | 9139 | return elfcore_grok_xstatereg (abfd, note); |
|
8565 | else |
9140 | else |
8566 | return TRUE; |
9141 | return TRUE; |
8567 | 9142 | ||
8568 | case NT_PPC_VMX: |
9143 | case NT_PPC_VMX: |
8569 | if (note->namesz == 6 |
9144 | if (note->namesz == 6 |
8570 | && strcmp (note->namedata, "LINUX") == 0) |
9145 | && strcmp (note->namedata, "LINUX") == 0) |
8571 | return elfcore_grok_ppc_vmx (abfd, note); |
9146 | return elfcore_grok_ppc_vmx (abfd, note); |
8572 | else |
9147 | else |
8573 | return TRUE; |
9148 | return TRUE; |
8574 | 9149 | ||
8575 | case NT_PPC_VSX: |
9150 | case NT_PPC_VSX: |
8576 | if (note->namesz == 6 |
9151 | if (note->namesz == 6 |
8577 | && strcmp (note->namedata, "LINUX") == 0) |
9152 | && strcmp (note->namedata, "LINUX") == 0) |
8578 | return elfcore_grok_ppc_vsx (abfd, note); |
9153 | return elfcore_grok_ppc_vsx (abfd, note); |
8579 | else |
9154 | else |
8580 | return TRUE; |
9155 | return TRUE; |
8581 | 9156 | ||
8582 | case NT_S390_HIGH_GPRS: |
9157 | case NT_S390_HIGH_GPRS: |
8583 | if (note->namesz == 6 |
9158 | if (note->namesz == 6 |
8584 | && strcmp (note->namedata, "LINUX") == 0) |
9159 | && strcmp (note->namedata, "LINUX") == 0) |
8585 | return elfcore_grok_s390_high_gprs (abfd, note); |
9160 | return elfcore_grok_s390_high_gprs (abfd, note); |
8586 | else |
9161 | else |
8587 | return TRUE; |
9162 | return TRUE; |
8588 | 9163 | ||
8589 | case NT_S390_TIMER: |
9164 | case NT_S390_TIMER: |
8590 | if (note->namesz == 6 |
9165 | if (note->namesz == 6 |
8591 | && strcmp (note->namedata, "LINUX") == 0) |
9166 | && strcmp (note->namedata, "LINUX") == 0) |
8592 | return elfcore_grok_s390_timer (abfd, note); |
9167 | return elfcore_grok_s390_timer (abfd, note); |
8593 | else |
9168 | else |
8594 | return TRUE; |
9169 | return TRUE; |
8595 | 9170 | ||
8596 | case NT_S390_TODCMP: |
9171 | case NT_S390_TODCMP: |
8597 | if (note->namesz == 6 |
9172 | if (note->namesz == 6 |
8598 | && strcmp (note->namedata, "LINUX") == 0) |
9173 | && strcmp (note->namedata, "LINUX") == 0) |
8599 | return elfcore_grok_s390_todcmp (abfd, note); |
9174 | return elfcore_grok_s390_todcmp (abfd, note); |
8600 | else |
9175 | else |
8601 | return TRUE; |
9176 | return TRUE; |
8602 | 9177 | ||
8603 | case NT_S390_TODPREG: |
9178 | case NT_S390_TODPREG: |
8604 | if (note->namesz == 6 |
9179 | if (note->namesz == 6 |
8605 | && strcmp (note->namedata, "LINUX") == 0) |
9180 | && strcmp (note->namedata, "LINUX") == 0) |
8606 | return elfcore_grok_s390_todpreg (abfd, note); |
9181 | return elfcore_grok_s390_todpreg (abfd, note); |
8607 | else |
9182 | else |
8608 | return TRUE; |
9183 | return TRUE; |
8609 | 9184 | ||
8610 | case NT_S390_CTRS: |
9185 | case NT_S390_CTRS: |
8611 | if (note->namesz == 6 |
9186 | if (note->namesz == 6 |
8612 | && strcmp (note->namedata, "LINUX") == 0) |
9187 | && strcmp (note->namedata, "LINUX") == 0) |
8613 | return elfcore_grok_s390_ctrs (abfd, note); |
9188 | return elfcore_grok_s390_ctrs (abfd, note); |
8614 | else |
9189 | else |
8615 | return TRUE; |
9190 | return TRUE; |
8616 | 9191 | ||
8617 | case NT_S390_PREFIX: |
9192 | case NT_S390_PREFIX: |
8618 | if (note->namesz == 6 |
9193 | if (note->namesz == 6 |
8619 | && strcmp (note->namedata, "LINUX") == 0) |
9194 | && strcmp (note->namedata, "LINUX") == 0) |
8620 | return elfcore_grok_s390_prefix (abfd, note); |
9195 | return elfcore_grok_s390_prefix (abfd, note); |
8621 | else |
9196 | else |
8622 | return TRUE; |
9197 | return TRUE; |
8623 | 9198 | ||
8624 | case NT_S390_LAST_BREAK: |
9199 | case NT_S390_LAST_BREAK: |
8625 | if (note->namesz == 6 |
9200 | if (note->namesz == 6 |
8626 | && strcmp (note->namedata, "LINUX") == 0) |
9201 | && strcmp (note->namedata, "LINUX") == 0) |
8627 | return elfcore_grok_s390_last_break (abfd, note); |
9202 | return elfcore_grok_s390_last_break (abfd, note); |
8628 | else |
9203 | else |
8629 | return TRUE; |
9204 | return TRUE; |
8630 | 9205 | ||
8631 | case NT_S390_SYSTEM_CALL: |
9206 | case NT_S390_SYSTEM_CALL: |
8632 | if (note->namesz == 6 |
9207 | if (note->namesz == 6 |
8633 | && strcmp (note->namedata, "LINUX") == 0) |
9208 | && strcmp (note->namedata, "LINUX") == 0) |
8634 | return elfcore_grok_s390_system_call (abfd, note); |
9209 | return elfcore_grok_s390_system_call (abfd, note); |
8635 | else |
9210 | else |
8636 | return TRUE; |
9211 | return TRUE; |
8637 | 9212 | ||
8638 | case NT_S390_TDB: |
9213 | case NT_S390_TDB: |
8639 | if (note->namesz == 6 |
9214 | if (note->namesz == 6 |
8640 | && strcmp (note->namedata, "LINUX") == 0) |
9215 | && strcmp (note->namedata, "LINUX") == 0) |
8641 | return elfcore_grok_s390_tdb (abfd, note); |
9216 | return elfcore_grok_s390_tdb (abfd, note); |
8642 | else |
9217 | else |
8643 | return TRUE; |
9218 | return TRUE; |
- | 9219 | ||
- | 9220 | case NT_S390_VXRS_LOW: |
|
- | 9221 | if (note->namesz == 6 |
|
- | 9222 | && strcmp (note->namedata, "LINUX") == 0) |
|
- | 9223 | return elfcore_grok_s390_vxrs_low (abfd, note); |
|
- | 9224 | else |
|
- | 9225 | return TRUE; |
|
- | 9226 | ||
- | 9227 | case NT_S390_VXRS_HIGH: |
|
- | 9228 | if (note->namesz == 6 |
|
- | 9229 | && strcmp (note->namedata, "LINUX") == 0) |
|
- | 9230 | return elfcore_grok_s390_vxrs_high (abfd, note); |
|
- | 9231 | else |
|
- | 9232 | return TRUE; |
|
8644 | 9233 | ||
8645 | case NT_ARM_VFP: |
9234 | case NT_ARM_VFP: |
8646 | if (note->namesz == 6 |
9235 | if (note->namesz == 6 |
8647 | && strcmp (note->namedata, "LINUX") == 0) |
9236 | && strcmp (note->namedata, "LINUX") == 0) |
8648 | return elfcore_grok_arm_vfp (abfd, note); |
9237 | return elfcore_grok_arm_vfp (abfd, note); |
8649 | else |
9238 | else |
8650 | return TRUE; |
9239 | return TRUE; |
8651 | 9240 | ||
8652 | case NT_ARM_TLS: |
9241 | case NT_ARM_TLS: |
8653 | if (note->namesz == 6 |
9242 | if (note->namesz == 6 |
8654 | && strcmp (note->namedata, "LINUX") == 0) |
9243 | && strcmp (note->namedata, "LINUX") == 0) |
8655 | return elfcore_grok_aarch_tls (abfd, note); |
9244 | return elfcore_grok_aarch_tls (abfd, note); |
8656 | else |
9245 | else |
8657 | return TRUE; |
9246 | return TRUE; |
8658 | 9247 | ||
8659 | case NT_ARM_HW_BREAK: |
9248 | case NT_ARM_HW_BREAK: |
8660 | if (note->namesz == 6 |
9249 | if (note->namesz == 6 |
8661 | && strcmp (note->namedata, "LINUX") == 0) |
9250 | && strcmp (note->namedata, "LINUX") == 0) |
8662 | return elfcore_grok_aarch_hw_break (abfd, note); |
9251 | return elfcore_grok_aarch_hw_break (abfd, note); |
8663 | else |
9252 | else |
8664 | return TRUE; |
9253 | return TRUE; |
8665 | 9254 | ||
8666 | case NT_ARM_HW_WATCH: |
9255 | case NT_ARM_HW_WATCH: |
8667 | if (note->namesz == 6 |
9256 | if (note->namesz == 6 |
8668 | && strcmp (note->namedata, "LINUX") == 0) |
9257 | && strcmp (note->namedata, "LINUX") == 0) |
8669 | return elfcore_grok_aarch_hw_watch (abfd, note); |
9258 | return elfcore_grok_aarch_hw_watch (abfd, note); |
8670 | else |
9259 | else |
8671 | return TRUE; |
9260 | return TRUE; |
8672 | 9261 | ||
8673 | case NT_PRPSINFO: |
9262 | case NT_PRPSINFO: |
8674 | case NT_PSINFO: |
9263 | case NT_PSINFO: |
8675 | if (bed->elf_backend_grok_psinfo) |
9264 | if (bed->elf_backend_grok_psinfo) |
8676 | if ((*bed->elf_backend_grok_psinfo) (abfd, note)) |
9265 | if ((*bed->elf_backend_grok_psinfo) (abfd, note)) |
8677 | return TRUE; |
9266 | return TRUE; |
8678 | #if defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T) |
9267 | #if defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T) |
8679 | return elfcore_grok_psinfo (abfd, note); |
9268 | return elfcore_grok_psinfo (abfd, note); |
8680 | #else |
9269 | #else |
8681 | return TRUE; |
9270 | return TRUE; |
8682 | #endif |
9271 | #endif |
8683 | 9272 | ||
8684 | case NT_AUXV: |
9273 | case NT_AUXV: |
8685 | { |
9274 | { |
8686 | asection *sect = bfd_make_section_anyway_with_flags (abfd, ".auxv", |
9275 | asection *sect = bfd_make_section_anyway_with_flags (abfd, ".auxv", |
8687 | SEC_HAS_CONTENTS); |
9276 | SEC_HAS_CONTENTS); |
8688 | 9277 | ||
8689 | if (sect == NULL) |
9278 | if (sect == NULL) |
8690 | return FALSE; |
9279 | return FALSE; |
8691 | sect->size = note->descsz; |
9280 | sect->size = note->descsz; |
8692 | sect->filepos = note->descpos; |
9281 | sect->filepos = note->descpos; |
8693 | sect->alignment_power = 1 + bfd_get_arch_size (abfd) / 32; |
9282 | sect->alignment_power = 1 + bfd_get_arch_size (abfd) / 32; |
8694 | 9283 | ||
8695 | return TRUE; |
9284 | return TRUE; |
8696 | } |
9285 | } |
8697 | 9286 | ||
8698 | case NT_FILE: |
9287 | case NT_FILE: |
8699 | return elfcore_make_note_pseudosection (abfd, ".note.linuxcore.file", |
9288 | return elfcore_make_note_pseudosection (abfd, ".note.linuxcore.file", |
8700 | note); |
9289 | note); |
8701 | 9290 | ||
8702 | case NT_SIGINFO: |
9291 | case NT_SIGINFO: |
8703 | return elfcore_make_note_pseudosection (abfd, ".note.linuxcore.siginfo", |
9292 | return elfcore_make_note_pseudosection (abfd, ".note.linuxcore.siginfo", |
8704 | note); |
9293 | note); |
8705 | } |
9294 | } |
8706 | } |
9295 | } |
8707 | 9296 | ||
8708 | static bfd_boolean |
9297 | static bfd_boolean |
8709 | elfobj_grok_gnu_build_id (bfd *abfd, Elf_Internal_Note *note) |
9298 | elfobj_grok_gnu_build_id (bfd *abfd, Elf_Internal_Note *note) |
8710 | { |
9299 | { |
8711 | struct elf_obj_tdata *t; |
9300 | struct bfd_build_id* build_id; |
8712 | 9301 | ||
8713 | if (note->descsz == 0) |
9302 | if (note->descsz == 0) |
8714 | return FALSE; |
9303 | return FALSE; |
8715 | - | ||
8716 | t = elf_tdata (abfd); |
9304 | |
8717 | t->build_id = bfd_alloc (abfd, sizeof (*t->build_id) - 1 + note->descsz); |
9305 | build_id = bfd_alloc (abfd, sizeof (struct bfd_build_id) - 1 + note->descsz); |
8718 | if (t->build_id == NULL) |
9306 | if (build_id == NULL) |
8719 | return FALSE; |
9307 | return FALSE; |
8720 | 9308 | ||
- | 9309 | build_id->size = note->descsz; |
|
8721 | t->build_id->size = note->descsz; |
9310 | memcpy (build_id->data, note->descdata, note->descsz); |
8722 | memcpy (t->build_id->data, note->descdata, note->descsz); |
9311 | abfd->build_id = build_id; |
8723 | 9312 | ||
8724 | return TRUE; |
9313 | return TRUE; |
8725 | } |
9314 | } |
8726 | 9315 | ||
8727 | static bfd_boolean |
9316 | static bfd_boolean |
8728 | elfobj_grok_gnu_note (bfd *abfd, Elf_Internal_Note *note) |
9317 | elfobj_grok_gnu_note (bfd *abfd, Elf_Internal_Note *note) |
8729 | { |
9318 | { |
8730 | switch (note->type) |
9319 | switch (note->type) |
8731 | { |
9320 | { |
8732 | default: |
9321 | default: |
8733 | return TRUE; |
9322 | return TRUE; |
8734 | 9323 | ||
8735 | case NT_GNU_BUILD_ID: |
9324 | case NT_GNU_BUILD_ID: |
8736 | return elfobj_grok_gnu_build_id (abfd, note); |
9325 | return elfobj_grok_gnu_build_id (abfd, note); |
8737 | } |
9326 | } |
8738 | } |
9327 | } |
8739 | 9328 | ||
8740 | static bfd_boolean |
9329 | static bfd_boolean |
8741 | elfobj_grok_stapsdt_note_1 (bfd *abfd, Elf_Internal_Note *note) |
9330 | elfobj_grok_stapsdt_note_1 (bfd *abfd, Elf_Internal_Note *note) |
8742 | { |
9331 | { |
8743 | struct sdt_note *cur = |
9332 | struct sdt_note *cur = |
8744 | (struct sdt_note *) bfd_alloc (abfd, sizeof (struct sdt_note) |
9333 | (struct sdt_note *) bfd_alloc (abfd, sizeof (struct sdt_note) |
8745 | + note->descsz); |
9334 | + note->descsz); |
8746 | 9335 | ||
8747 | cur->next = (struct sdt_note *) (elf_tdata (abfd))->sdt_note_head; |
9336 | cur->next = (struct sdt_note *) (elf_tdata (abfd))->sdt_note_head; |
8748 | cur->size = (bfd_size_type) note->descsz; |
9337 | cur->size = (bfd_size_type) note->descsz; |
8749 | memcpy (cur->data, note->descdata, note->descsz); |
9338 | memcpy (cur->data, note->descdata, note->descsz); |
8750 | 9339 | ||
8751 | elf_tdata (abfd)->sdt_note_head = cur; |
9340 | elf_tdata (abfd)->sdt_note_head = cur; |
8752 | 9341 | ||
8753 | return TRUE; |
9342 | return TRUE; |
8754 | } |
9343 | } |
8755 | 9344 | ||
8756 | static bfd_boolean |
9345 | static bfd_boolean |
8757 | elfobj_grok_stapsdt_note (bfd *abfd, Elf_Internal_Note *note) |
9346 | elfobj_grok_stapsdt_note (bfd *abfd, Elf_Internal_Note *note) |
8758 | { |
9347 | { |
8759 | switch (note->type) |
9348 | switch (note->type) |
8760 | { |
9349 | { |
8761 | case NT_STAPSDT: |
9350 | case NT_STAPSDT: |
8762 | return elfobj_grok_stapsdt_note_1 (abfd, note); |
9351 | return elfobj_grok_stapsdt_note_1 (abfd, note); |
8763 | 9352 | ||
8764 | default: |
9353 | default: |
8765 | return TRUE; |
9354 | return TRUE; |
8766 | } |
9355 | } |
8767 | } |
9356 | } |
8768 | 9357 | ||
8769 | static bfd_boolean |
9358 | static bfd_boolean |
8770 | elfcore_netbsd_get_lwpid (Elf_Internal_Note *note, int *lwpidp) |
9359 | elfcore_netbsd_get_lwpid (Elf_Internal_Note *note, int *lwpidp) |
8771 | { |
9360 | { |
8772 | char *cp; |
9361 | char *cp; |
8773 | 9362 | ||
8774 | cp = strchr (note->namedata, '@'); |
9363 | cp = strchr (note->namedata, '@'); |
8775 | if (cp != NULL) |
9364 | if (cp != NULL) |
8776 | { |
9365 | { |
8777 | *lwpidp = atoi(cp + 1); |
9366 | *lwpidp = atoi(cp + 1); |
8778 | return TRUE; |
9367 | return TRUE; |
8779 | } |
9368 | } |
8780 | return FALSE; |
9369 | return FALSE; |
8781 | } |
9370 | } |
8782 | 9371 | ||
8783 | static bfd_boolean |
9372 | static bfd_boolean |
8784 | elfcore_grok_netbsd_procinfo (bfd *abfd, Elf_Internal_Note *note) |
9373 | elfcore_grok_netbsd_procinfo (bfd *abfd, Elf_Internal_Note *note) |
8785 | { |
9374 | { |
8786 | /* Signal number at offset 0x08. */ |
9375 | /* Signal number at offset 0x08. */ |
8787 | elf_tdata (abfd)->core->signal |
9376 | elf_tdata (abfd)->core->signal |
8788 | = bfd_h_get_32 (abfd, (bfd_byte *) note->descdata + 0x08); |
9377 | = bfd_h_get_32 (abfd, (bfd_byte *) note->descdata + 0x08); |
8789 | 9378 | ||
8790 | /* Process ID at offset 0x50. */ |
9379 | /* Process ID at offset 0x50. */ |
8791 | elf_tdata (abfd)->core->pid |
9380 | elf_tdata (abfd)->core->pid |
8792 | = bfd_h_get_32 (abfd, (bfd_byte *) note->descdata + 0x50); |
9381 | = bfd_h_get_32 (abfd, (bfd_byte *) note->descdata + 0x50); |
8793 | 9382 | ||
8794 | /* Command name at 0x7c (max 32 bytes, including nul). */ |
9383 | /* Command name at 0x7c (max 32 bytes, including nul). */ |
8795 | elf_tdata (abfd)->core->command |
9384 | elf_tdata (abfd)->core->command |
8796 | = _bfd_elfcore_strndup (abfd, note->descdata + 0x7c, 31); |
9385 | = _bfd_elfcore_strndup (abfd, note->descdata + 0x7c, 31); |
8797 | 9386 | ||
8798 | return elfcore_make_note_pseudosection (abfd, ".note.netbsdcore.procinfo", |
9387 | return elfcore_make_note_pseudosection (abfd, ".note.netbsdcore.procinfo", |
8799 | note); |
9388 | note); |
8800 | } |
9389 | } |
8801 | 9390 | ||
8802 | static bfd_boolean |
9391 | static bfd_boolean |
8803 | elfcore_grok_netbsd_note (bfd *abfd, Elf_Internal_Note *note) |
9392 | elfcore_grok_netbsd_note (bfd *abfd, Elf_Internal_Note *note) |
8804 | { |
9393 | { |
8805 | int lwp; |
9394 | int lwp; |
8806 | 9395 | ||
8807 | if (elfcore_netbsd_get_lwpid (note, &lwp)) |
9396 | if (elfcore_netbsd_get_lwpid (note, &lwp)) |
8808 | elf_tdata (abfd)->core->lwpid = lwp; |
9397 | elf_tdata (abfd)->core->lwpid = lwp; |
8809 | 9398 | ||
8810 | if (note->type == NT_NETBSDCORE_PROCINFO) |
9399 | if (note->type == NT_NETBSDCORE_PROCINFO) |
8811 | { |
9400 | { |
8812 | /* NetBSD-specific core "procinfo". Note that we expect to |
9401 | /* NetBSD-specific core "procinfo". Note that we expect to |
8813 | find this note before any of the others, which is fine, |
9402 | find this note before any of the others, which is fine, |
8814 | since the kernel writes this note out first when it |
9403 | since the kernel writes this note out first when it |
8815 | creates a core file. */ |
9404 | creates a core file. */ |
8816 | 9405 | ||
8817 | return elfcore_grok_netbsd_procinfo (abfd, note); |
9406 | return elfcore_grok_netbsd_procinfo (abfd, note); |
8818 | } |
9407 | } |
8819 | 9408 | ||
8820 | /* As of Jan 2002 there are no other machine-independent notes |
9409 | /* As of Jan 2002 there are no other machine-independent notes |
8821 | defined for NetBSD core files. If the note type is less |
9410 | defined for NetBSD core files. If the note type is less |
8822 | than the start of the machine-dependent note types, we don't |
9411 | than the start of the machine-dependent note types, we don't |
8823 | understand it. */ |
9412 | understand it. */ |
8824 | 9413 | ||
8825 | if (note->type < NT_NETBSDCORE_FIRSTMACH) |
9414 | if (note->type < NT_NETBSDCORE_FIRSTMACH) |
8826 | return TRUE; |
9415 | return TRUE; |
8827 | 9416 | ||
8828 | 9417 | ||
8829 | switch (bfd_get_arch (abfd)) |
9418 | switch (bfd_get_arch (abfd)) |
8830 | { |
9419 | { |
8831 | /* On the Alpha, SPARC (32-bit and 64-bit), PT_GETREGS == mach+0 and |
9420 | /* On the Alpha, SPARC (32-bit and 64-bit), PT_GETREGS == mach+0 and |
8832 | PT_GETFPREGS == mach+2. */ |
9421 | PT_GETFPREGS == mach+2. */ |
8833 | 9422 | ||
8834 | case bfd_arch_alpha: |
9423 | case bfd_arch_alpha: |
8835 | case bfd_arch_sparc: |
9424 | case bfd_arch_sparc: |
8836 | switch (note->type) |
9425 | switch (note->type) |
8837 | { |
9426 | { |
8838 | case NT_NETBSDCORE_FIRSTMACH+0: |
9427 | case NT_NETBSDCORE_FIRSTMACH+0: |
8839 | return elfcore_make_note_pseudosection (abfd, ".reg", note); |
9428 | return elfcore_make_note_pseudosection (abfd, ".reg", note); |
8840 | 9429 | ||
8841 | case NT_NETBSDCORE_FIRSTMACH+2: |
9430 | case NT_NETBSDCORE_FIRSTMACH+2: |
8842 | return elfcore_make_note_pseudosection (abfd, ".reg2", note); |
9431 | return elfcore_make_note_pseudosection (abfd, ".reg2", note); |
8843 | 9432 | ||
8844 | default: |
9433 | default: |
8845 | return TRUE; |
9434 | return TRUE; |
8846 | } |
9435 | } |
8847 | 9436 | ||
8848 | /* On all other arch's, PT_GETREGS == mach+1 and |
9437 | /* On all other arch's, PT_GETREGS == mach+1 and |
8849 | PT_GETFPREGS == mach+3. */ |
9438 | PT_GETFPREGS == mach+3. */ |
8850 | 9439 | ||
8851 | default: |
9440 | default: |
8852 | switch (note->type) |
9441 | switch (note->type) |
8853 | { |
9442 | { |
8854 | case NT_NETBSDCORE_FIRSTMACH+1: |
9443 | case NT_NETBSDCORE_FIRSTMACH+1: |
8855 | return elfcore_make_note_pseudosection (abfd, ".reg", note); |
9444 | return elfcore_make_note_pseudosection (abfd, ".reg", note); |
8856 | 9445 | ||
8857 | case NT_NETBSDCORE_FIRSTMACH+3: |
9446 | case NT_NETBSDCORE_FIRSTMACH+3: |
8858 | return elfcore_make_note_pseudosection (abfd, ".reg2", note); |
9447 | return elfcore_make_note_pseudosection (abfd, ".reg2", note); |
8859 | 9448 | ||
8860 | default: |
9449 | default: |
8861 | return TRUE; |
9450 | return TRUE; |
8862 | } |
9451 | } |
8863 | } |
9452 | } |
8864 | /* NOTREACHED */ |
9453 | /* NOTREACHED */ |
8865 | } |
9454 | } |
8866 | 9455 | ||
8867 | static bfd_boolean |
9456 | static bfd_boolean |
8868 | elfcore_grok_openbsd_procinfo (bfd *abfd, Elf_Internal_Note *note) |
9457 | elfcore_grok_openbsd_procinfo (bfd *abfd, Elf_Internal_Note *note) |
8869 | { |
9458 | { |
8870 | /* Signal number at offset 0x08. */ |
9459 | /* Signal number at offset 0x08. */ |
8871 | elf_tdata (abfd)->core->signal |
9460 | elf_tdata (abfd)->core->signal |
8872 | = bfd_h_get_32 (abfd, (bfd_byte *) note->descdata + 0x08); |
9461 | = bfd_h_get_32 (abfd, (bfd_byte *) note->descdata + 0x08); |
8873 | 9462 | ||
8874 | /* Process ID at offset 0x20. */ |
9463 | /* Process ID at offset 0x20. */ |
8875 | elf_tdata (abfd)->core->pid |
9464 | elf_tdata (abfd)->core->pid |
8876 | = bfd_h_get_32 (abfd, (bfd_byte *) note->descdata + 0x20); |
9465 | = bfd_h_get_32 (abfd, (bfd_byte *) note->descdata + 0x20); |
8877 | 9466 | ||
8878 | /* Command name at 0x48 (max 32 bytes, including nul). */ |
9467 | /* Command name at 0x48 (max 32 bytes, including nul). */ |
8879 | elf_tdata (abfd)->core->command |
9468 | elf_tdata (abfd)->core->command |
8880 | = _bfd_elfcore_strndup (abfd, note->descdata + 0x48, 31); |
9469 | = _bfd_elfcore_strndup (abfd, note->descdata + 0x48, 31); |
8881 | 9470 | ||
8882 | return TRUE; |
9471 | return TRUE; |
8883 | } |
9472 | } |
8884 | 9473 | ||
8885 | static bfd_boolean |
9474 | static bfd_boolean |
8886 | elfcore_grok_openbsd_note (bfd *abfd, Elf_Internal_Note *note) |
9475 | elfcore_grok_openbsd_note (bfd *abfd, Elf_Internal_Note *note) |
8887 | { |
9476 | { |
8888 | if (note->type == NT_OPENBSD_PROCINFO) |
9477 | if (note->type == NT_OPENBSD_PROCINFO) |
8889 | return elfcore_grok_openbsd_procinfo (abfd, note); |
9478 | return elfcore_grok_openbsd_procinfo (abfd, note); |
8890 | 9479 | ||
8891 | if (note->type == NT_OPENBSD_REGS) |
9480 | if (note->type == NT_OPENBSD_REGS) |
8892 | return elfcore_make_note_pseudosection (abfd, ".reg", note); |
9481 | return elfcore_make_note_pseudosection (abfd, ".reg", note); |
8893 | 9482 | ||
8894 | if (note->type == NT_OPENBSD_FPREGS) |
9483 | if (note->type == NT_OPENBSD_FPREGS) |
8895 | return elfcore_make_note_pseudosection (abfd, ".reg2", note); |
9484 | return elfcore_make_note_pseudosection (abfd, ".reg2", note); |
8896 | 9485 | ||
8897 | if (note->type == NT_OPENBSD_XFPREGS) |
9486 | if (note->type == NT_OPENBSD_XFPREGS) |
8898 | return elfcore_make_note_pseudosection (abfd, ".reg-xfp", note); |
9487 | return elfcore_make_note_pseudosection (abfd, ".reg-xfp", note); |
8899 | 9488 | ||
8900 | if (note->type == NT_OPENBSD_AUXV) |
9489 | if (note->type == NT_OPENBSD_AUXV) |
8901 | { |
9490 | { |
8902 | asection *sect = bfd_make_section_anyway_with_flags (abfd, ".auxv", |
9491 | asection *sect = bfd_make_section_anyway_with_flags (abfd, ".auxv", |
8903 | SEC_HAS_CONTENTS); |
9492 | SEC_HAS_CONTENTS); |
8904 | 9493 | ||
8905 | if (sect == NULL) |
9494 | if (sect == NULL) |
8906 | return FALSE; |
9495 | return FALSE; |
8907 | sect->size = note->descsz; |
9496 | sect->size = note->descsz; |
8908 | sect->filepos = note->descpos; |
9497 | sect->filepos = note->descpos; |
8909 | sect->alignment_power = 1 + bfd_get_arch_size (abfd) / 32; |
9498 | sect->alignment_power = 1 + bfd_get_arch_size (abfd) / 32; |
8910 | 9499 | ||
8911 | return TRUE; |
9500 | return TRUE; |
8912 | } |
9501 | } |
8913 | 9502 | ||
8914 | if (note->type == NT_OPENBSD_WCOOKIE) |
9503 | if (note->type == NT_OPENBSD_WCOOKIE) |
8915 | { |
9504 | { |
8916 | asection *sect = bfd_make_section_anyway_with_flags (abfd, ".wcookie", |
9505 | asection *sect = bfd_make_section_anyway_with_flags (abfd, ".wcookie", |
8917 | SEC_HAS_CONTENTS); |
9506 | SEC_HAS_CONTENTS); |
8918 | 9507 | ||
8919 | if (sect == NULL) |
9508 | if (sect == NULL) |
8920 | return FALSE; |
9509 | return FALSE; |
8921 | sect->size = note->descsz; |
9510 | sect->size = note->descsz; |
8922 | sect->filepos = note->descpos; |
9511 | sect->filepos = note->descpos; |
8923 | sect->alignment_power = 1 + bfd_get_arch_size (abfd) / 32; |
9512 | sect->alignment_power = 1 + bfd_get_arch_size (abfd) / 32; |
8924 | 9513 | ||
8925 | return TRUE; |
9514 | return TRUE; |
8926 | } |
9515 | } |
8927 | 9516 | ||
8928 | return TRUE; |
9517 | return TRUE; |
8929 | } |
9518 | } |
8930 | 9519 | ||
8931 | static bfd_boolean |
9520 | static bfd_boolean |
8932 | elfcore_grok_nto_status (bfd *abfd, Elf_Internal_Note *note, long *tid) |
9521 | elfcore_grok_nto_status (bfd *abfd, Elf_Internal_Note *note, long *tid) |
8933 | { |
9522 | { |
8934 | void *ddata = note->descdata; |
9523 | void *ddata = note->descdata; |
8935 | char buf[100]; |
9524 | char buf[100]; |
8936 | char *name; |
9525 | char *name; |
8937 | asection *sect; |
9526 | asection *sect; |
8938 | short sig; |
9527 | short sig; |
8939 | unsigned flags; |
9528 | unsigned flags; |
8940 | 9529 | ||
8941 | /* nto_procfs_status 'pid' field is at offset 0. */ |
9530 | /* nto_procfs_status 'pid' field is at offset 0. */ |
8942 | elf_tdata (abfd)->core->pid = bfd_get_32 (abfd, (bfd_byte *) ddata); |
9531 | elf_tdata (abfd)->core->pid = bfd_get_32 (abfd, (bfd_byte *) ddata); |
8943 | 9532 | ||
8944 | /* nto_procfs_status 'tid' field is at offset 4. Pass it back. */ |
9533 | /* nto_procfs_status 'tid' field is at offset 4. Pass it back. */ |
8945 | *tid = bfd_get_32 (abfd, (bfd_byte *) ddata + 4); |
9534 | *tid = bfd_get_32 (abfd, (bfd_byte *) ddata + 4); |
8946 | 9535 | ||
8947 | /* nto_procfs_status 'flags' field is at offset 8. */ |
9536 | /* nto_procfs_status 'flags' field is at offset 8. */ |
8948 | flags = bfd_get_32 (abfd, (bfd_byte *) ddata + 8); |
9537 | flags = bfd_get_32 (abfd, (bfd_byte *) ddata + 8); |
8949 | 9538 | ||
8950 | /* nto_procfs_status 'what' field is at offset 14. */ |
9539 | /* nto_procfs_status 'what' field is at offset 14. */ |
8951 | if ((sig = bfd_get_16 (abfd, (bfd_byte *) ddata + 14)) > 0) |
9540 | if ((sig = bfd_get_16 (abfd, (bfd_byte *) ddata + 14)) > 0) |
8952 | { |
9541 | { |
8953 | elf_tdata (abfd)->core->signal = sig; |
9542 | elf_tdata (abfd)->core->signal = sig; |
8954 | elf_tdata (abfd)->core->lwpid = *tid; |
9543 | elf_tdata (abfd)->core->lwpid = *tid; |
8955 | } |
9544 | } |
8956 | 9545 | ||
8957 | /* _DEBUG_FLAG_CURTID (current thread) is 0x80. Some cores |
9546 | /* _DEBUG_FLAG_CURTID (current thread) is 0x80. Some cores |
8958 | do not come from signals so we make sure we set the current |
9547 | do not come from signals so we make sure we set the current |
8959 | thread just in case. */ |
9548 | thread just in case. */ |
8960 | if (flags & 0x00000080) |
9549 | if (flags & 0x00000080) |
8961 | elf_tdata (abfd)->core->lwpid = *tid; |
9550 | elf_tdata (abfd)->core->lwpid = *tid; |
8962 | 9551 | ||
8963 | /* Make a ".qnx_core_status/%d" section. */ |
9552 | /* Make a ".qnx_core_status/%d" section. */ |
8964 | sprintf (buf, ".qnx_core_status/%ld", *tid); |
9553 | sprintf (buf, ".qnx_core_status/%ld", *tid); |
8965 | 9554 | ||
8966 | name = (char *) bfd_alloc (abfd, strlen (buf) + 1); |
9555 | name = (char *) bfd_alloc (abfd, strlen (buf) + 1); |
8967 | if (name == NULL) |
9556 | if (name == NULL) |
8968 | return FALSE; |
9557 | return FALSE; |
8969 | strcpy (name, buf); |
9558 | strcpy (name, buf); |
8970 | 9559 | ||
8971 | sect = bfd_make_section_anyway_with_flags (abfd, name, SEC_HAS_CONTENTS); |
9560 | sect = bfd_make_section_anyway_with_flags (abfd, name, SEC_HAS_CONTENTS); |
8972 | if (sect == NULL) |
9561 | if (sect == NULL) |
8973 | return FALSE; |
9562 | return FALSE; |
8974 | 9563 | ||
8975 | sect->size = note->descsz; |
9564 | sect->size = note->descsz; |
8976 | sect->filepos = note->descpos; |
9565 | sect->filepos = note->descpos; |
8977 | sect->alignment_power = 2; |
9566 | sect->alignment_power = 2; |
8978 | 9567 | ||
8979 | return (elfcore_maybe_make_sect (abfd, ".qnx_core_status", sect)); |
9568 | return (elfcore_maybe_make_sect (abfd, ".qnx_core_status", sect)); |
8980 | } |
9569 | } |
8981 | 9570 | ||
8982 | static bfd_boolean |
9571 | static bfd_boolean |
8983 | elfcore_grok_nto_regs (bfd *abfd, |
9572 | elfcore_grok_nto_regs (bfd *abfd, |
8984 | Elf_Internal_Note *note, |
9573 | Elf_Internal_Note *note, |
8985 | long tid, |
9574 | long tid, |
8986 | char *base) |
9575 | char *base) |
8987 | { |
9576 | { |
8988 | char buf[100]; |
9577 | char buf[100]; |
8989 | char *name; |
9578 | char *name; |
8990 | asection *sect; |
9579 | asection *sect; |
8991 | 9580 | ||
8992 | /* Make a "(base)/%d" section. */ |
9581 | /* Make a "(base)/%d" section. */ |
8993 | sprintf (buf, "%s/%ld", base, tid); |
9582 | sprintf (buf, "%s/%ld", base, tid); |
8994 | 9583 | ||
8995 | name = (char *) bfd_alloc (abfd, strlen (buf) + 1); |
9584 | name = (char *) bfd_alloc (abfd, strlen (buf) + 1); |
8996 | if (name == NULL) |
9585 | if (name == NULL) |
8997 | return FALSE; |
9586 | return FALSE; |
8998 | strcpy (name, buf); |
9587 | strcpy (name, buf); |
8999 | 9588 | ||
9000 | sect = bfd_make_section_anyway_with_flags (abfd, name, SEC_HAS_CONTENTS); |
9589 | sect = bfd_make_section_anyway_with_flags (abfd, name, SEC_HAS_CONTENTS); |
9001 | if (sect == NULL) |
9590 | if (sect == NULL) |
9002 | return FALSE; |
9591 | return FALSE; |
9003 | 9592 | ||
9004 | sect->size = note->descsz; |
9593 | sect->size = note->descsz; |
9005 | sect->filepos = note->descpos; |
9594 | sect->filepos = note->descpos; |
9006 | sect->alignment_power = 2; |
9595 | sect->alignment_power = 2; |
9007 | 9596 | ||
9008 | /* This is the current thread. */ |
9597 | /* This is the current thread. */ |
9009 | if (elf_tdata (abfd)->core->lwpid == tid) |
9598 | if (elf_tdata (abfd)->core->lwpid == tid) |
9010 | return elfcore_maybe_make_sect (abfd, base, sect); |
9599 | return elfcore_maybe_make_sect (abfd, base, sect); |
9011 | 9600 | ||
9012 | return TRUE; |
9601 | return TRUE; |
9013 | } |
9602 | } |
9014 | 9603 | ||
9015 | #define BFD_QNT_CORE_INFO 7 |
9604 | #define BFD_QNT_CORE_INFO 7 |
9016 | #define BFD_QNT_CORE_STATUS 8 |
9605 | #define BFD_QNT_CORE_STATUS 8 |
9017 | #define BFD_QNT_CORE_GREG 9 |
9606 | #define BFD_QNT_CORE_GREG 9 |
9018 | #define BFD_QNT_CORE_FPREG 10 |
9607 | #define BFD_QNT_CORE_FPREG 10 |
9019 | 9608 | ||
9020 | static bfd_boolean |
9609 | static bfd_boolean |
9021 | elfcore_grok_nto_note (bfd *abfd, Elf_Internal_Note *note) |
9610 | elfcore_grok_nto_note (bfd *abfd, Elf_Internal_Note *note) |
9022 | { |
9611 | { |
9023 | /* Every GREG section has a STATUS section before it. Store the |
9612 | /* Every GREG section has a STATUS section before it. Store the |
9024 | tid from the previous call to pass down to the next gregs |
9613 | tid from the previous call to pass down to the next gregs |
9025 | function. */ |
9614 | function. */ |
9026 | static long tid = 1; |
9615 | static long tid = 1; |
9027 | 9616 | ||
9028 | switch (note->type) |
9617 | switch (note->type) |
9029 | { |
9618 | { |
9030 | case BFD_QNT_CORE_INFO: |
9619 | case BFD_QNT_CORE_INFO: |
9031 | return elfcore_make_note_pseudosection (abfd, ".qnx_core_info", note); |
9620 | return elfcore_make_note_pseudosection (abfd, ".qnx_core_info", note); |
9032 | case BFD_QNT_CORE_STATUS: |
9621 | case BFD_QNT_CORE_STATUS: |
9033 | return elfcore_grok_nto_status (abfd, note, &tid); |
9622 | return elfcore_grok_nto_status (abfd, note, &tid); |
9034 | case BFD_QNT_CORE_GREG: |
9623 | case BFD_QNT_CORE_GREG: |
9035 | return elfcore_grok_nto_regs (abfd, note, tid, ".reg"); |
9624 | return elfcore_grok_nto_regs (abfd, note, tid, ".reg"); |
9036 | case BFD_QNT_CORE_FPREG: |
9625 | case BFD_QNT_CORE_FPREG: |
9037 | return elfcore_grok_nto_regs (abfd, note, tid, ".reg2"); |
9626 | return elfcore_grok_nto_regs (abfd, note, tid, ".reg2"); |
9038 | default: |
9627 | default: |
9039 | return TRUE; |
9628 | return TRUE; |
9040 | } |
9629 | } |
9041 | } |
9630 | } |
9042 | 9631 | ||
9043 | static bfd_boolean |
9632 | static bfd_boolean |
9044 | elfcore_grok_spu_note (bfd *abfd, Elf_Internal_Note *note) |
9633 | elfcore_grok_spu_note (bfd *abfd, Elf_Internal_Note *note) |
9045 | { |
9634 | { |
9046 | char *name; |
9635 | char *name; |
9047 | asection *sect; |
9636 | asection *sect; |
9048 | size_t len; |
9637 | size_t len; |
9049 | 9638 | ||
9050 | /* Use note name as section name. */ |
9639 | /* Use note name as section name. */ |
9051 | len = note->namesz; |
9640 | len = note->namesz; |
9052 | name = (char *) bfd_alloc (abfd, len); |
9641 | name = (char *) bfd_alloc (abfd, len); |
9053 | if (name == NULL) |
9642 | if (name == NULL) |
9054 | return FALSE; |
9643 | return FALSE; |
9055 | memcpy (name, note->namedata, len); |
9644 | memcpy (name, note->namedata, len); |
9056 | name[len - 1] = '\0'; |
9645 | name[len - 1] = '\0'; |
9057 | 9646 | ||
9058 | sect = bfd_make_section_anyway_with_flags (abfd, name, SEC_HAS_CONTENTS); |
9647 | sect = bfd_make_section_anyway_with_flags (abfd, name, SEC_HAS_CONTENTS); |
9059 | if (sect == NULL) |
9648 | if (sect == NULL) |
9060 | return FALSE; |
9649 | return FALSE; |
9061 | 9650 | ||
9062 | sect->size = note->descsz; |
9651 | sect->size = note->descsz; |
9063 | sect->filepos = note->descpos; |
9652 | sect->filepos = note->descpos; |
9064 | sect->alignment_power = 1; |
9653 | sect->alignment_power = 1; |
9065 | 9654 | ||
9066 | return TRUE; |
9655 | return TRUE; |
9067 | } |
9656 | } |
9068 | 9657 | ||
9069 | /* Function: elfcore_write_note |
9658 | /* Function: elfcore_write_note |
9070 | 9659 | ||
9071 | Inputs: |
9660 | Inputs: |
9072 | buffer to hold note, and current size of buffer |
9661 | buffer to hold note, and current size of buffer |
9073 | name of note |
9662 | name of note |
9074 | type of note |
9663 | type of note |
9075 | data for note |
9664 | data for note |
9076 | size of data for note |
9665 | size of data for note |
9077 | 9666 | ||
9078 | Writes note to end of buffer. ELF64 notes are written exactly as |
9667 | Writes note to end of buffer. ELF64 notes are written exactly as |
9079 | for ELF32, despite the current (as of 2006) ELF gabi specifying |
9668 | for ELF32, despite the current (as of 2006) ELF gabi specifying |
9080 | that they ought to have 8-byte namesz and descsz field, and have |
9669 | that they ought to have 8-byte namesz and descsz field, and have |
9081 | 8-byte alignment. Other writers, eg. Linux kernel, do the same. |
9670 | 8-byte alignment. Other writers, eg. Linux kernel, do the same. |
9082 | 9671 | ||
9083 | Return: |
9672 | Return: |
9084 | Pointer to realloc'd buffer, *BUFSIZ updated. */ |
9673 | Pointer to realloc'd buffer, *BUFSIZ updated. */ |
9085 | 9674 | ||
9086 | char * |
9675 | char * |
9087 | elfcore_write_note (bfd *abfd, |
9676 | elfcore_write_note (bfd *abfd, |
9088 | char *buf, |
9677 | char *buf, |
9089 | int *bufsiz, |
9678 | int *bufsiz, |
9090 | const char *name, |
9679 | const char *name, |
9091 | int type, |
9680 | int type, |
9092 | const void *input, |
9681 | const void *input, |
9093 | int size) |
9682 | int size) |
9094 | { |
9683 | { |
9095 | Elf_External_Note *xnp; |
9684 | Elf_External_Note *xnp; |
9096 | size_t namesz; |
9685 | size_t namesz; |
9097 | size_t newspace; |
9686 | size_t newspace; |
9098 | char *dest; |
9687 | char *dest; |
9099 | 9688 | ||
9100 | namesz = 0; |
9689 | namesz = 0; |
9101 | if (name != NULL) |
9690 | if (name != NULL) |
9102 | namesz = strlen (name) + 1; |
9691 | namesz = strlen (name) + 1; |
9103 | 9692 | ||
9104 | newspace = 12 + ((namesz + 3) & -4) + ((size + 3) & -4); |
9693 | newspace = 12 + ((namesz + 3) & -4) + ((size + 3) & -4); |
9105 | 9694 | ||
9106 | buf = (char *) realloc (buf, *bufsiz + newspace); |
9695 | buf = (char *) realloc (buf, *bufsiz + newspace); |
9107 | if (buf == NULL) |
9696 | if (buf == NULL) |
9108 | return buf; |
9697 | return buf; |
9109 | dest = buf + *bufsiz; |
9698 | dest = buf + *bufsiz; |
9110 | *bufsiz += newspace; |
9699 | *bufsiz += newspace; |
9111 | xnp = (Elf_External_Note *) dest; |
9700 | xnp = (Elf_External_Note *) dest; |
9112 | H_PUT_32 (abfd, namesz, xnp->namesz); |
9701 | H_PUT_32 (abfd, namesz, xnp->namesz); |
9113 | H_PUT_32 (abfd, size, xnp->descsz); |
9702 | H_PUT_32 (abfd, size, xnp->descsz); |
9114 | H_PUT_32 (abfd, type, xnp->type); |
9703 | H_PUT_32 (abfd, type, xnp->type); |
9115 | dest = xnp->name; |
9704 | dest = xnp->name; |
9116 | if (name != NULL) |
9705 | if (name != NULL) |
9117 | { |
9706 | { |
9118 | memcpy (dest, name, namesz); |
9707 | memcpy (dest, name, namesz); |
9119 | dest += namesz; |
9708 | dest += namesz; |
9120 | while (namesz & 3) |
9709 | while (namesz & 3) |
9121 | { |
9710 | { |
9122 | *dest++ = '\0'; |
9711 | *dest++ = '\0'; |
9123 | ++namesz; |
9712 | ++namesz; |
9124 | } |
9713 | } |
9125 | } |
9714 | } |
9126 | memcpy (dest, input, size); |
9715 | memcpy (dest, input, size); |
9127 | dest += size; |
9716 | dest += size; |
9128 | while (size & 3) |
9717 | while (size & 3) |
9129 | { |
9718 | { |
9130 | *dest++ = '\0'; |
9719 | *dest++ = '\0'; |
9131 | ++size; |
9720 | ++size; |
9132 | } |
9721 | } |
9133 | return buf; |
9722 | return buf; |
9134 | } |
9723 | } |
9135 | 9724 | ||
9136 | char * |
9725 | char * |
9137 | elfcore_write_prpsinfo (bfd *abfd, |
9726 | elfcore_write_prpsinfo (bfd *abfd, |
9138 | char *buf, |
9727 | char *buf, |
9139 | int *bufsiz, |
9728 | int *bufsiz, |
9140 | const char *fname, |
9729 | const char *fname, |
9141 | const char *psargs) |
9730 | const char *psargs) |
9142 | { |
9731 | { |
9143 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
9732 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
9144 | 9733 | ||
9145 | if (bed->elf_backend_write_core_note != NULL) |
9734 | if (bed->elf_backend_write_core_note != NULL) |
9146 | { |
9735 | { |
9147 | char *ret; |
9736 | char *ret; |
9148 | ret = (*bed->elf_backend_write_core_note) (abfd, buf, bufsiz, |
9737 | ret = (*bed->elf_backend_write_core_note) (abfd, buf, bufsiz, |
9149 | NT_PRPSINFO, fname, psargs); |
9738 | NT_PRPSINFO, fname, psargs); |
9150 | if (ret != NULL) |
9739 | if (ret != NULL) |
9151 | return ret; |
9740 | return ret; |
9152 | } |
9741 | } |
9153 | 9742 | ||
9154 | #if defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T) |
9743 | #if defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T) |
9155 | #if defined (HAVE_PRPSINFO32_T) || defined (HAVE_PSINFO32_T) |
9744 | #if defined (HAVE_PRPSINFO32_T) || defined (HAVE_PSINFO32_T) |
9156 | if (bed->s->elfclass == ELFCLASS32) |
9745 | if (bed->s->elfclass == ELFCLASS32) |
9157 | { |
9746 | { |
9158 | #if defined (HAVE_PSINFO32_T) |
9747 | #if defined (HAVE_PSINFO32_T) |
9159 | psinfo32_t data; |
9748 | psinfo32_t data; |
9160 | int note_type = NT_PSINFO; |
9749 | int note_type = NT_PSINFO; |
9161 | #else |
9750 | #else |
9162 | prpsinfo32_t data; |
9751 | prpsinfo32_t data; |
9163 | int note_type = NT_PRPSINFO; |
9752 | int note_type = NT_PRPSINFO; |
9164 | #endif |
9753 | #endif |
9165 | 9754 | ||
9166 | memset (&data, 0, sizeof (data)); |
9755 | memset (&data, 0, sizeof (data)); |
9167 | strncpy (data.pr_fname, fname, sizeof (data.pr_fname)); |
9756 | strncpy (data.pr_fname, fname, sizeof (data.pr_fname)); |
9168 | strncpy (data.pr_psargs, psargs, sizeof (data.pr_psargs)); |
9757 | strncpy (data.pr_psargs, psargs, sizeof (data.pr_psargs)); |
9169 | return elfcore_write_note (abfd, buf, bufsiz, |
9758 | return elfcore_write_note (abfd, buf, bufsiz, |
9170 | "CORE", note_type, &data, sizeof (data)); |
9759 | "CORE", note_type, &data, sizeof (data)); |
9171 | } |
9760 | } |
9172 | else |
9761 | else |
9173 | #endif |
9762 | #endif |
9174 | { |
9763 | { |
9175 | #if defined (HAVE_PSINFO_T) |
9764 | #if defined (HAVE_PSINFO_T) |
9176 | psinfo_t data; |
9765 | psinfo_t data; |
9177 | int note_type = NT_PSINFO; |
9766 | int note_type = NT_PSINFO; |
9178 | #else |
9767 | #else |
9179 | prpsinfo_t data; |
9768 | prpsinfo_t data; |
9180 | int note_type = NT_PRPSINFO; |
9769 | int note_type = NT_PRPSINFO; |
9181 | #endif |
9770 | #endif |
9182 | 9771 | ||
9183 | memset (&data, 0, sizeof (data)); |
9772 | memset (&data, 0, sizeof (data)); |
9184 | strncpy (data.pr_fname, fname, sizeof (data.pr_fname)); |
9773 | strncpy (data.pr_fname, fname, sizeof (data.pr_fname)); |
9185 | strncpy (data.pr_psargs, psargs, sizeof (data.pr_psargs)); |
9774 | strncpy (data.pr_psargs, psargs, sizeof (data.pr_psargs)); |
9186 | return elfcore_write_note (abfd, buf, bufsiz, |
9775 | return elfcore_write_note (abfd, buf, bufsiz, |
9187 | "CORE", note_type, &data, sizeof (data)); |
9776 | "CORE", note_type, &data, sizeof (data)); |
9188 | } |
9777 | } |
9189 | #endif /* PSINFO_T or PRPSINFO_T */ |
9778 | #endif /* PSINFO_T or PRPSINFO_T */ |
9190 | 9779 | ||
9191 | free (buf); |
9780 | free (buf); |
9192 | return NULL; |
9781 | return NULL; |
9193 | } |
9782 | } |
9194 | 9783 | ||
9195 | char * |
9784 | char * |
9196 | elfcore_write_linux_prpsinfo32 |
9785 | elfcore_write_linux_prpsinfo32 |
9197 | (bfd *abfd, char *buf, int *bufsiz, |
9786 | (bfd *abfd, char *buf, int *bufsiz, |
9198 | const struct elf_internal_linux_prpsinfo *prpsinfo) |
9787 | const struct elf_internal_linux_prpsinfo *prpsinfo) |
9199 | { |
9788 | { |
9200 | struct elf_external_linux_prpsinfo32 data; |
9789 | struct elf_external_linux_prpsinfo32 data; |
9201 | 9790 | ||
9202 | memset (&data, 0, sizeof (data)); |
9791 | memset (&data, 0, sizeof (data)); |
9203 | LINUX_PRPSINFO32_SWAP_FIELDS (abfd, prpsinfo, data); |
9792 | LINUX_PRPSINFO32_SWAP_FIELDS (abfd, prpsinfo, data); |
9204 | 9793 | ||
9205 | return elfcore_write_note (abfd, buf, bufsiz, "CORE", NT_PRPSINFO, |
9794 | return elfcore_write_note (abfd, buf, bufsiz, "CORE", NT_PRPSINFO, |
9206 | &data, sizeof (data)); |
9795 | &data, sizeof (data)); |
9207 | } |
9796 | } |
9208 | 9797 | ||
9209 | char * |
9798 | char * |
9210 | elfcore_write_linux_prpsinfo64 |
9799 | elfcore_write_linux_prpsinfo64 |
9211 | (bfd *abfd, char *buf, int *bufsiz, |
9800 | (bfd *abfd, char *buf, int *bufsiz, |
9212 | const struct elf_internal_linux_prpsinfo *prpsinfo) |
9801 | const struct elf_internal_linux_prpsinfo *prpsinfo) |
9213 | { |
9802 | { |
9214 | struct elf_external_linux_prpsinfo64 data; |
9803 | struct elf_external_linux_prpsinfo64 data; |
9215 | 9804 | ||
9216 | memset (&data, 0, sizeof (data)); |
9805 | memset (&data, 0, sizeof (data)); |
9217 | LINUX_PRPSINFO64_SWAP_FIELDS (abfd, prpsinfo, data); |
9806 | LINUX_PRPSINFO64_SWAP_FIELDS (abfd, prpsinfo, data); |
9218 | 9807 | ||
9219 | return elfcore_write_note (abfd, buf, bufsiz, |
9808 | return elfcore_write_note (abfd, buf, bufsiz, |
9220 | "CORE", NT_PRPSINFO, &data, sizeof (data)); |
9809 | "CORE", NT_PRPSINFO, &data, sizeof (data)); |
9221 | } |
9810 | } |
9222 | 9811 | ||
9223 | char * |
9812 | char * |
9224 | elfcore_write_prstatus (bfd *abfd, |
9813 | elfcore_write_prstatus (bfd *abfd, |
9225 | char *buf, |
9814 | char *buf, |
9226 | int *bufsiz, |
9815 | int *bufsiz, |
9227 | long pid, |
9816 | long pid, |
9228 | int cursig, |
9817 | int cursig, |
9229 | const void *gregs) |
9818 | const void *gregs) |
9230 | { |
9819 | { |
9231 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
9820 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
9232 | 9821 | ||
9233 | if (bed->elf_backend_write_core_note != NULL) |
9822 | if (bed->elf_backend_write_core_note != NULL) |
9234 | { |
9823 | { |
9235 | char *ret; |
9824 | char *ret; |
9236 | ret = (*bed->elf_backend_write_core_note) (abfd, buf, bufsiz, |
9825 | ret = (*bed->elf_backend_write_core_note) (abfd, buf, bufsiz, |
9237 | NT_PRSTATUS, |
9826 | NT_PRSTATUS, |
9238 | pid, cursig, gregs); |
9827 | pid, cursig, gregs); |
9239 | if (ret != NULL) |
9828 | if (ret != NULL) |
9240 | return ret; |
9829 | return ret; |
9241 | } |
9830 | } |
9242 | 9831 | ||
9243 | #if defined (HAVE_PRSTATUS_T) |
9832 | #if defined (HAVE_PRSTATUS_T) |
9244 | #if defined (HAVE_PRSTATUS32_T) |
9833 | #if defined (HAVE_PRSTATUS32_T) |
9245 | if (bed->s->elfclass == ELFCLASS32) |
9834 | if (bed->s->elfclass == ELFCLASS32) |
9246 | { |
9835 | { |
9247 | prstatus32_t prstat; |
9836 | prstatus32_t prstat; |
9248 | 9837 | ||
9249 | memset (&prstat, 0, sizeof (prstat)); |
9838 | memset (&prstat, 0, sizeof (prstat)); |
9250 | prstat.pr_pid = pid; |
9839 | prstat.pr_pid = pid; |
9251 | prstat.pr_cursig = cursig; |
9840 | prstat.pr_cursig = cursig; |
9252 | memcpy (&prstat.pr_reg, gregs, sizeof (prstat.pr_reg)); |
9841 | memcpy (&prstat.pr_reg, gregs, sizeof (prstat.pr_reg)); |
9253 | return elfcore_write_note (abfd, buf, bufsiz, "CORE", |
9842 | return elfcore_write_note (abfd, buf, bufsiz, "CORE", |
9254 | NT_PRSTATUS, &prstat, sizeof (prstat)); |
9843 | NT_PRSTATUS, &prstat, sizeof (prstat)); |
9255 | } |
9844 | } |
9256 | else |
9845 | else |
9257 | #endif |
9846 | #endif |
9258 | { |
9847 | { |
9259 | prstatus_t prstat; |
9848 | prstatus_t prstat; |
9260 | 9849 | ||
9261 | memset (&prstat, 0, sizeof (prstat)); |
9850 | memset (&prstat, 0, sizeof (prstat)); |
9262 | prstat.pr_pid = pid; |
9851 | prstat.pr_pid = pid; |
9263 | prstat.pr_cursig = cursig; |
9852 | prstat.pr_cursig = cursig; |
9264 | memcpy (&prstat.pr_reg, gregs, sizeof (prstat.pr_reg)); |
9853 | memcpy (&prstat.pr_reg, gregs, sizeof (prstat.pr_reg)); |
9265 | return elfcore_write_note (abfd, buf, bufsiz, "CORE", |
9854 | return elfcore_write_note (abfd, buf, bufsiz, "CORE", |
9266 | NT_PRSTATUS, &prstat, sizeof (prstat)); |
9855 | NT_PRSTATUS, &prstat, sizeof (prstat)); |
9267 | } |
9856 | } |
9268 | #endif /* HAVE_PRSTATUS_T */ |
9857 | #endif /* HAVE_PRSTATUS_T */ |
9269 | 9858 | ||
9270 | free (buf); |
9859 | free (buf); |
9271 | return NULL; |
9860 | return NULL; |
9272 | } |
9861 | } |
9273 | 9862 | ||
9274 | #if defined (HAVE_LWPSTATUS_T) |
9863 | #if defined (HAVE_LWPSTATUS_T) |
9275 | char * |
9864 | char * |
9276 | elfcore_write_lwpstatus (bfd *abfd, |
9865 | elfcore_write_lwpstatus (bfd *abfd, |
9277 | char *buf, |
9866 | char *buf, |
9278 | int *bufsiz, |
9867 | int *bufsiz, |
9279 | long pid, |
9868 | long pid, |
9280 | int cursig, |
9869 | int cursig, |
9281 | const void *gregs) |
9870 | const void *gregs) |
9282 | { |
9871 | { |
9283 | lwpstatus_t lwpstat; |
9872 | lwpstatus_t lwpstat; |
9284 | const char *note_name = "CORE"; |
9873 | const char *note_name = "CORE"; |
9285 | 9874 | ||
9286 | memset (&lwpstat, 0, sizeof (lwpstat)); |
9875 | memset (&lwpstat, 0, sizeof (lwpstat)); |
9287 | lwpstat.pr_lwpid = pid >> 16; |
9876 | lwpstat.pr_lwpid = pid >> 16; |
9288 | lwpstat.pr_cursig = cursig; |
9877 | lwpstat.pr_cursig = cursig; |
9289 | #if defined (HAVE_LWPSTATUS_T_PR_REG) |
9878 | #if defined (HAVE_LWPSTATUS_T_PR_REG) |
9290 | memcpy (lwpstat.pr_reg, gregs, sizeof (lwpstat.pr_reg)); |
9879 | memcpy (&lwpstat.pr_reg, gregs, sizeof (lwpstat.pr_reg)); |
9291 | #elif defined (HAVE_LWPSTATUS_T_PR_CONTEXT) |
9880 | #elif defined (HAVE_LWPSTATUS_T_PR_CONTEXT) |
9292 | #if !defined(gregs) |
9881 | #if !defined(gregs) |
9293 | memcpy (lwpstat.pr_context.uc_mcontext.gregs, |
9882 | memcpy (lwpstat.pr_context.uc_mcontext.gregs, |
9294 | gregs, sizeof (lwpstat.pr_context.uc_mcontext.gregs)); |
9883 | gregs, sizeof (lwpstat.pr_context.uc_mcontext.gregs)); |
9295 | #else |
9884 | #else |
9296 | memcpy (lwpstat.pr_context.uc_mcontext.__gregs, |
9885 | memcpy (lwpstat.pr_context.uc_mcontext.__gregs, |
9297 | gregs, sizeof (lwpstat.pr_context.uc_mcontext.__gregs)); |
9886 | gregs, sizeof (lwpstat.pr_context.uc_mcontext.__gregs)); |
9298 | #endif |
9887 | #endif |
9299 | #endif |
9888 | #endif |
9300 | return elfcore_write_note (abfd, buf, bufsiz, note_name, |
9889 | return elfcore_write_note (abfd, buf, bufsiz, note_name, |
9301 | NT_LWPSTATUS, &lwpstat, sizeof (lwpstat)); |
9890 | NT_LWPSTATUS, &lwpstat, sizeof (lwpstat)); |
9302 | } |
9891 | } |
9303 | #endif /* HAVE_LWPSTATUS_T */ |
9892 | #endif /* HAVE_LWPSTATUS_T */ |
9304 | 9893 | ||
9305 | #if defined (HAVE_PSTATUS_T) |
9894 | #if defined (HAVE_PSTATUS_T) |
9306 | char * |
9895 | char * |
9307 | elfcore_write_pstatus (bfd *abfd, |
9896 | elfcore_write_pstatus (bfd *abfd, |
9308 | char *buf, |
9897 | char *buf, |
9309 | int *bufsiz, |
9898 | int *bufsiz, |
9310 | long pid, |
9899 | long pid, |
9311 | int cursig ATTRIBUTE_UNUSED, |
9900 | int cursig ATTRIBUTE_UNUSED, |
9312 | const void *gregs ATTRIBUTE_UNUSED) |
9901 | const void *gregs ATTRIBUTE_UNUSED) |
9313 | { |
9902 | { |
9314 | const char *note_name = "CORE"; |
9903 | const char *note_name = "CORE"; |
9315 | #if defined (HAVE_PSTATUS32_T) |
9904 | #if defined (HAVE_PSTATUS32_T) |
9316 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
9905 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
9317 | 9906 | ||
9318 | if (bed->s->elfclass == ELFCLASS32) |
9907 | if (bed->s->elfclass == ELFCLASS32) |
9319 | { |
9908 | { |
9320 | pstatus32_t pstat; |
9909 | pstatus32_t pstat; |
9321 | 9910 | ||
9322 | memset (&pstat, 0, sizeof (pstat)); |
9911 | memset (&pstat, 0, sizeof (pstat)); |
9323 | pstat.pr_pid = pid & 0xffff; |
9912 | pstat.pr_pid = pid & 0xffff; |
9324 | buf = elfcore_write_note (abfd, buf, bufsiz, note_name, |
9913 | buf = elfcore_write_note (abfd, buf, bufsiz, note_name, |
9325 | NT_PSTATUS, &pstat, sizeof (pstat)); |
9914 | NT_PSTATUS, &pstat, sizeof (pstat)); |
9326 | return buf; |
9915 | return buf; |
9327 | } |
9916 | } |
9328 | else |
9917 | else |
9329 | #endif |
9918 | #endif |
9330 | { |
9919 | { |
9331 | pstatus_t pstat; |
9920 | pstatus_t pstat; |
9332 | 9921 | ||
9333 | memset (&pstat, 0, sizeof (pstat)); |
9922 | memset (&pstat, 0, sizeof (pstat)); |
9334 | pstat.pr_pid = pid & 0xffff; |
9923 | pstat.pr_pid = pid & 0xffff; |
9335 | buf = elfcore_write_note (abfd, buf, bufsiz, note_name, |
9924 | buf = elfcore_write_note (abfd, buf, bufsiz, note_name, |
9336 | NT_PSTATUS, &pstat, sizeof (pstat)); |
9925 | NT_PSTATUS, &pstat, sizeof (pstat)); |
9337 | return buf; |
9926 | return buf; |
9338 | } |
9927 | } |
9339 | } |
9928 | } |
9340 | #endif /* HAVE_PSTATUS_T */ |
9929 | #endif /* HAVE_PSTATUS_T */ |
9341 | 9930 | ||
9342 | char * |
9931 | char * |
9343 | elfcore_write_prfpreg (bfd *abfd, |
9932 | elfcore_write_prfpreg (bfd *abfd, |
9344 | char *buf, |
9933 | char *buf, |
9345 | int *bufsiz, |
9934 | int *bufsiz, |
9346 | const void *fpregs, |
9935 | const void *fpregs, |
9347 | int size) |
9936 | int size) |
9348 | { |
9937 | { |
9349 | const char *note_name = "CORE"; |
9938 | const char *note_name = "CORE"; |
9350 | return elfcore_write_note (abfd, buf, bufsiz, |
9939 | return elfcore_write_note (abfd, buf, bufsiz, |
9351 | note_name, NT_FPREGSET, fpregs, size); |
9940 | note_name, NT_FPREGSET, fpregs, size); |
9352 | } |
9941 | } |
9353 | 9942 | ||
9354 | char * |
9943 | char * |
9355 | elfcore_write_prxfpreg (bfd *abfd, |
9944 | elfcore_write_prxfpreg (bfd *abfd, |
9356 | char *buf, |
9945 | char *buf, |
9357 | int *bufsiz, |
9946 | int *bufsiz, |
9358 | const void *xfpregs, |
9947 | const void *xfpregs, |
9359 | int size) |
9948 | int size) |
9360 | { |
9949 | { |
9361 | char *note_name = "LINUX"; |
9950 | char *note_name = "LINUX"; |
9362 | return elfcore_write_note (abfd, buf, bufsiz, |
9951 | return elfcore_write_note (abfd, buf, bufsiz, |
9363 | note_name, NT_PRXFPREG, xfpregs, size); |
9952 | note_name, NT_PRXFPREG, xfpregs, size); |
9364 | } |
9953 | } |
9365 | 9954 | ||
9366 | char * |
9955 | char * |
9367 | elfcore_write_xstatereg (bfd *abfd, char *buf, int *bufsiz, |
9956 | elfcore_write_xstatereg (bfd *abfd, char *buf, int *bufsiz, |
9368 | const void *xfpregs, int size) |
9957 | const void *xfpregs, int size) |
9369 | { |
9958 | { |
- | 9959 | char *note_name; |
|
- | 9960 | if (get_elf_backend_data (abfd)->elf_osabi == ELFOSABI_FREEBSD) |
|
- | 9961 | note_name = "FreeBSD"; |
|
- | 9962 | else |
|
9370 | char *note_name = "LINUX"; |
9963 | note_name = "LINUX"; |
9371 | return elfcore_write_note (abfd, buf, bufsiz, |
9964 | return elfcore_write_note (abfd, buf, bufsiz, |
9372 | note_name, NT_X86_XSTATE, xfpregs, size); |
9965 | note_name, NT_X86_XSTATE, xfpregs, size); |
9373 | } |
9966 | } |
9374 | 9967 | ||
9375 | char * |
9968 | char * |
9376 | elfcore_write_ppc_vmx (bfd *abfd, |
9969 | elfcore_write_ppc_vmx (bfd *abfd, |
9377 | char *buf, |
9970 | char *buf, |
9378 | int *bufsiz, |
9971 | int *bufsiz, |
9379 | const void *ppc_vmx, |
9972 | const void *ppc_vmx, |
9380 | int size) |
9973 | int size) |
9381 | { |
9974 | { |
9382 | char *note_name = "LINUX"; |
9975 | char *note_name = "LINUX"; |
9383 | return elfcore_write_note (abfd, buf, bufsiz, |
9976 | return elfcore_write_note (abfd, buf, bufsiz, |
9384 | note_name, NT_PPC_VMX, ppc_vmx, size); |
9977 | note_name, NT_PPC_VMX, ppc_vmx, size); |
9385 | } |
9978 | } |
9386 | 9979 | ||
9387 | char * |
9980 | char * |
9388 | elfcore_write_ppc_vsx (bfd *abfd, |
9981 | elfcore_write_ppc_vsx (bfd *abfd, |
9389 | char *buf, |
9982 | char *buf, |
9390 | int *bufsiz, |
9983 | int *bufsiz, |
9391 | const void *ppc_vsx, |
9984 | const void *ppc_vsx, |
9392 | int size) |
9985 | int size) |
9393 | { |
9986 | { |
9394 | char *note_name = "LINUX"; |
9987 | char *note_name = "LINUX"; |
9395 | return elfcore_write_note (abfd, buf, bufsiz, |
9988 | return elfcore_write_note (abfd, buf, bufsiz, |
9396 | note_name, NT_PPC_VSX, ppc_vsx, size); |
9989 | note_name, NT_PPC_VSX, ppc_vsx, size); |
9397 | } |
9990 | } |
9398 | 9991 | ||
9399 | static char * |
9992 | static char * |
9400 | elfcore_write_s390_high_gprs (bfd *abfd, |
9993 | elfcore_write_s390_high_gprs (bfd *abfd, |
9401 | char *buf, |
9994 | char *buf, |
9402 | int *bufsiz, |
9995 | int *bufsiz, |
9403 | const void *s390_high_gprs, |
9996 | const void *s390_high_gprs, |
9404 | int size) |
9997 | int size) |
9405 | { |
9998 | { |
9406 | char *note_name = "LINUX"; |
9999 | char *note_name = "LINUX"; |
9407 | return elfcore_write_note (abfd, buf, bufsiz, |
10000 | return elfcore_write_note (abfd, buf, bufsiz, |
9408 | note_name, NT_S390_HIGH_GPRS, |
10001 | note_name, NT_S390_HIGH_GPRS, |
9409 | s390_high_gprs, size); |
10002 | s390_high_gprs, size); |
9410 | } |
10003 | } |
9411 | 10004 | ||
9412 | char * |
10005 | char * |
9413 | elfcore_write_s390_timer (bfd *abfd, |
10006 | elfcore_write_s390_timer (bfd *abfd, |
9414 | char *buf, |
10007 | char *buf, |
9415 | int *bufsiz, |
10008 | int *bufsiz, |
9416 | const void *s390_timer, |
10009 | const void *s390_timer, |
9417 | int size) |
10010 | int size) |
9418 | { |
10011 | { |
9419 | char *note_name = "LINUX"; |
10012 | char *note_name = "LINUX"; |
9420 | return elfcore_write_note (abfd, buf, bufsiz, |
10013 | return elfcore_write_note (abfd, buf, bufsiz, |
9421 | note_name, NT_S390_TIMER, s390_timer, size); |
10014 | note_name, NT_S390_TIMER, s390_timer, size); |
9422 | } |
10015 | } |
9423 | 10016 | ||
9424 | char * |
10017 | char * |
9425 | elfcore_write_s390_todcmp (bfd *abfd, |
10018 | elfcore_write_s390_todcmp (bfd *abfd, |
9426 | char *buf, |
10019 | char *buf, |
9427 | int *bufsiz, |
10020 | int *bufsiz, |
9428 | const void *s390_todcmp, |
10021 | const void *s390_todcmp, |
9429 | int size) |
10022 | int size) |
9430 | { |
10023 | { |
9431 | char *note_name = "LINUX"; |
10024 | char *note_name = "LINUX"; |
9432 | return elfcore_write_note (abfd, buf, bufsiz, |
10025 | return elfcore_write_note (abfd, buf, bufsiz, |
9433 | note_name, NT_S390_TODCMP, s390_todcmp, size); |
10026 | note_name, NT_S390_TODCMP, s390_todcmp, size); |
9434 | } |
10027 | } |
9435 | 10028 | ||
9436 | char * |
10029 | char * |
9437 | elfcore_write_s390_todpreg (bfd *abfd, |
10030 | elfcore_write_s390_todpreg (bfd *abfd, |
9438 | char *buf, |
10031 | char *buf, |
9439 | int *bufsiz, |
10032 | int *bufsiz, |
9440 | const void *s390_todpreg, |
10033 | const void *s390_todpreg, |
9441 | int size) |
10034 | int size) |
9442 | { |
10035 | { |
9443 | char *note_name = "LINUX"; |
10036 | char *note_name = "LINUX"; |
9444 | return elfcore_write_note (abfd, buf, bufsiz, |
10037 | return elfcore_write_note (abfd, buf, bufsiz, |
9445 | note_name, NT_S390_TODPREG, s390_todpreg, size); |
10038 | note_name, NT_S390_TODPREG, s390_todpreg, size); |
9446 | } |
10039 | } |
9447 | 10040 | ||
9448 | char * |
10041 | char * |
9449 | elfcore_write_s390_ctrs (bfd *abfd, |
10042 | elfcore_write_s390_ctrs (bfd *abfd, |
9450 | char *buf, |
10043 | char *buf, |
9451 | int *bufsiz, |
10044 | int *bufsiz, |
9452 | const void *s390_ctrs, |
10045 | const void *s390_ctrs, |
9453 | int size) |
10046 | int size) |
9454 | { |
10047 | { |
9455 | char *note_name = "LINUX"; |
10048 | char *note_name = "LINUX"; |
9456 | return elfcore_write_note (abfd, buf, bufsiz, |
10049 | return elfcore_write_note (abfd, buf, bufsiz, |
9457 | note_name, NT_S390_CTRS, s390_ctrs, size); |
10050 | note_name, NT_S390_CTRS, s390_ctrs, size); |
9458 | } |
10051 | } |
9459 | 10052 | ||
9460 | char * |
10053 | char * |
9461 | elfcore_write_s390_prefix (bfd *abfd, |
10054 | elfcore_write_s390_prefix (bfd *abfd, |
9462 | char *buf, |
10055 | char *buf, |
9463 | int *bufsiz, |
10056 | int *bufsiz, |
9464 | const void *s390_prefix, |
10057 | const void *s390_prefix, |
9465 | int size) |
10058 | int size) |
9466 | { |
10059 | { |
9467 | char *note_name = "LINUX"; |
10060 | char *note_name = "LINUX"; |
9468 | return elfcore_write_note (abfd, buf, bufsiz, |
10061 | return elfcore_write_note (abfd, buf, bufsiz, |
9469 | note_name, NT_S390_PREFIX, s390_prefix, size); |
10062 | note_name, NT_S390_PREFIX, s390_prefix, size); |
9470 | } |
10063 | } |
9471 | 10064 | ||
9472 | char * |
10065 | char * |
9473 | elfcore_write_s390_last_break (bfd *abfd, |
10066 | elfcore_write_s390_last_break (bfd *abfd, |
9474 | char *buf, |
10067 | char *buf, |
9475 | int *bufsiz, |
10068 | int *bufsiz, |
9476 | const void *s390_last_break, |
10069 | const void *s390_last_break, |
9477 | int size) |
10070 | int size) |
9478 | { |
10071 | { |
9479 | char *note_name = "LINUX"; |
10072 | char *note_name = "LINUX"; |
9480 | return elfcore_write_note (abfd, buf, bufsiz, |
10073 | return elfcore_write_note (abfd, buf, bufsiz, |
9481 | note_name, NT_S390_LAST_BREAK, |
10074 | note_name, NT_S390_LAST_BREAK, |
9482 | s390_last_break, size); |
10075 | s390_last_break, size); |
9483 | } |
10076 | } |
9484 | 10077 | ||
9485 | char * |
10078 | char * |
9486 | elfcore_write_s390_system_call (bfd *abfd, |
10079 | elfcore_write_s390_system_call (bfd *abfd, |
9487 | char *buf, |
10080 | char *buf, |
9488 | int *bufsiz, |
10081 | int *bufsiz, |
9489 | const void *s390_system_call, |
10082 | const void *s390_system_call, |
9490 | int size) |
10083 | int size) |
9491 | { |
10084 | { |
9492 | char *note_name = "LINUX"; |
10085 | char *note_name = "LINUX"; |
9493 | return elfcore_write_note (abfd, buf, bufsiz, |
10086 | return elfcore_write_note (abfd, buf, bufsiz, |
9494 | note_name, NT_S390_SYSTEM_CALL, |
10087 | note_name, NT_S390_SYSTEM_CALL, |
9495 | s390_system_call, size); |
10088 | s390_system_call, size); |
9496 | } |
10089 | } |
9497 | 10090 | ||
9498 | char * |
10091 | char * |
9499 | elfcore_write_s390_tdb (bfd *abfd, |
10092 | elfcore_write_s390_tdb (bfd *abfd, |
9500 | char *buf, |
10093 | char *buf, |
9501 | int *bufsiz, |
10094 | int *bufsiz, |
9502 | const void *s390_tdb, |
10095 | const void *s390_tdb, |
9503 | int size) |
10096 | int size) |
9504 | { |
10097 | { |
9505 | char *note_name = "LINUX"; |
10098 | char *note_name = "LINUX"; |
9506 | return elfcore_write_note (abfd, buf, bufsiz, |
10099 | return elfcore_write_note (abfd, buf, bufsiz, |
9507 | note_name, NT_S390_TDB, s390_tdb, size); |
10100 | note_name, NT_S390_TDB, s390_tdb, size); |
9508 | } |
10101 | } |
9509 | 10102 | ||
9510 | char * |
10103 | char * |
- | 10104 | elfcore_write_s390_vxrs_low (bfd *abfd, |
|
- | 10105 | char *buf, |
|
- | 10106 | int *bufsiz, |
|
- | 10107 | const void *s390_vxrs_low, |
|
- | 10108 | int size) |
|
- | 10109 | { |
|
- | 10110 | char *note_name = "LINUX"; |
|
- | 10111 | return elfcore_write_note (abfd, buf, bufsiz, |
|
- | 10112 | note_name, NT_S390_VXRS_LOW, s390_vxrs_low, size); |
|
- | 10113 | } |
|
- | 10114 | ||
- | 10115 | char * |
|
- | 10116 | elfcore_write_s390_vxrs_high (bfd *abfd, |
|
- | 10117 | char *buf, |
|
- | 10118 | int *bufsiz, |
|
- | 10119 | const void *s390_vxrs_high, |
|
- | 10120 | int size) |
|
- | 10121 | { |
|
- | 10122 | char *note_name = "LINUX"; |
|
- | 10123 | return elfcore_write_note (abfd, buf, bufsiz, |
|
- | 10124 | note_name, NT_S390_VXRS_HIGH, |
|
- | 10125 | s390_vxrs_high, size); |
|
- | 10126 | } |
|
- | 10127 | ||
- | 10128 | char * |
|
9511 | elfcore_write_arm_vfp (bfd *abfd, |
10129 | elfcore_write_arm_vfp (bfd *abfd, |
9512 | char *buf, |
10130 | char *buf, |
9513 | int *bufsiz, |
10131 | int *bufsiz, |
9514 | const void *arm_vfp, |
10132 | const void *arm_vfp, |
9515 | int size) |
10133 | int size) |
9516 | { |
10134 | { |
9517 | char *note_name = "LINUX"; |
10135 | char *note_name = "LINUX"; |
9518 | return elfcore_write_note (abfd, buf, bufsiz, |
10136 | return elfcore_write_note (abfd, buf, bufsiz, |
9519 | note_name, NT_ARM_VFP, arm_vfp, size); |
10137 | note_name, NT_ARM_VFP, arm_vfp, size); |
9520 | } |
10138 | } |
9521 | 10139 | ||
9522 | char * |
10140 | char * |
9523 | elfcore_write_aarch_tls (bfd *abfd, |
10141 | elfcore_write_aarch_tls (bfd *abfd, |
9524 | char *buf, |
10142 | char *buf, |
9525 | int *bufsiz, |
10143 | int *bufsiz, |
9526 | const void *aarch_tls, |
10144 | const void *aarch_tls, |
9527 | int size) |
10145 | int size) |
9528 | { |
10146 | { |
9529 | char *note_name = "LINUX"; |
10147 | char *note_name = "LINUX"; |
9530 | return elfcore_write_note (abfd, buf, bufsiz, |
10148 | return elfcore_write_note (abfd, buf, bufsiz, |
9531 | note_name, NT_ARM_TLS, aarch_tls, size); |
10149 | note_name, NT_ARM_TLS, aarch_tls, size); |
9532 | } |
10150 | } |
9533 | 10151 | ||
9534 | char * |
10152 | char * |
9535 | elfcore_write_aarch_hw_break (bfd *abfd, |
10153 | elfcore_write_aarch_hw_break (bfd *abfd, |
9536 | char *buf, |
10154 | char *buf, |
9537 | int *bufsiz, |
10155 | int *bufsiz, |
9538 | const void *aarch_hw_break, |
10156 | const void *aarch_hw_break, |
9539 | int size) |
10157 | int size) |
9540 | { |
10158 | { |
9541 | char *note_name = "LINUX"; |
10159 | char *note_name = "LINUX"; |
9542 | return elfcore_write_note (abfd, buf, bufsiz, |
10160 | return elfcore_write_note (abfd, buf, bufsiz, |
9543 | note_name, NT_ARM_HW_BREAK, aarch_hw_break, size); |
10161 | note_name, NT_ARM_HW_BREAK, aarch_hw_break, size); |
9544 | } |
10162 | } |
9545 | 10163 | ||
9546 | char * |
10164 | char * |
9547 | elfcore_write_aarch_hw_watch (bfd *abfd, |
10165 | elfcore_write_aarch_hw_watch (bfd *abfd, |
9548 | char *buf, |
10166 | char *buf, |
9549 | int *bufsiz, |
10167 | int *bufsiz, |
9550 | const void *aarch_hw_watch, |
10168 | const void *aarch_hw_watch, |
9551 | int size) |
10169 | int size) |
9552 | { |
10170 | { |
9553 | char *note_name = "LINUX"; |
10171 | char *note_name = "LINUX"; |
9554 | return elfcore_write_note (abfd, buf, bufsiz, |
10172 | return elfcore_write_note (abfd, buf, bufsiz, |
9555 | note_name, NT_ARM_HW_WATCH, aarch_hw_watch, size); |
10173 | note_name, NT_ARM_HW_WATCH, aarch_hw_watch, size); |
9556 | } |
10174 | } |
9557 | 10175 | ||
9558 | char * |
10176 | char * |
9559 | elfcore_write_register_note (bfd *abfd, |
10177 | elfcore_write_register_note (bfd *abfd, |
9560 | char *buf, |
10178 | char *buf, |
9561 | int *bufsiz, |
10179 | int *bufsiz, |
9562 | const char *section, |
10180 | const char *section, |
9563 | const void *data, |
10181 | const void *data, |
9564 | int size) |
10182 | int size) |
9565 | { |
10183 | { |
9566 | if (strcmp (section, ".reg2") == 0) |
10184 | if (strcmp (section, ".reg2") == 0) |
9567 | return elfcore_write_prfpreg (abfd, buf, bufsiz, data, size); |
10185 | return elfcore_write_prfpreg (abfd, buf, bufsiz, data, size); |
9568 | if (strcmp (section, ".reg-xfp") == 0) |
10186 | if (strcmp (section, ".reg-xfp") == 0) |
9569 | return elfcore_write_prxfpreg (abfd, buf, bufsiz, data, size); |
10187 | return elfcore_write_prxfpreg (abfd, buf, bufsiz, data, size); |
9570 | if (strcmp (section, ".reg-xstate") == 0) |
10188 | if (strcmp (section, ".reg-xstate") == 0) |
9571 | return elfcore_write_xstatereg (abfd, buf, bufsiz, data, size); |
10189 | return elfcore_write_xstatereg (abfd, buf, bufsiz, data, size); |
9572 | if (strcmp (section, ".reg-ppc-vmx") == 0) |
10190 | if (strcmp (section, ".reg-ppc-vmx") == 0) |
9573 | return elfcore_write_ppc_vmx (abfd, buf, bufsiz, data, size); |
10191 | return elfcore_write_ppc_vmx (abfd, buf, bufsiz, data, size); |
9574 | if (strcmp (section, ".reg-ppc-vsx") == 0) |
10192 | if (strcmp (section, ".reg-ppc-vsx") == 0) |
9575 | return elfcore_write_ppc_vsx (abfd, buf, bufsiz, data, size); |
10193 | return elfcore_write_ppc_vsx (abfd, buf, bufsiz, data, size); |
9576 | if (strcmp (section, ".reg-s390-high-gprs") == 0) |
10194 | if (strcmp (section, ".reg-s390-high-gprs") == 0) |
9577 | return elfcore_write_s390_high_gprs (abfd, buf, bufsiz, data, size); |
10195 | return elfcore_write_s390_high_gprs (abfd, buf, bufsiz, data, size); |
9578 | if (strcmp (section, ".reg-s390-timer") == 0) |
10196 | if (strcmp (section, ".reg-s390-timer") == 0) |
9579 | return elfcore_write_s390_timer (abfd, buf, bufsiz, data, size); |
10197 | return elfcore_write_s390_timer (abfd, buf, bufsiz, data, size); |
9580 | if (strcmp (section, ".reg-s390-todcmp") == 0) |
10198 | if (strcmp (section, ".reg-s390-todcmp") == 0) |
9581 | return elfcore_write_s390_todcmp (abfd, buf, bufsiz, data, size); |
10199 | return elfcore_write_s390_todcmp (abfd, buf, bufsiz, data, size); |
9582 | if (strcmp (section, ".reg-s390-todpreg") == 0) |
10200 | if (strcmp (section, ".reg-s390-todpreg") == 0) |
9583 | return elfcore_write_s390_todpreg (abfd, buf, bufsiz, data, size); |
10201 | return elfcore_write_s390_todpreg (abfd, buf, bufsiz, data, size); |
9584 | if (strcmp (section, ".reg-s390-ctrs") == 0) |
10202 | if (strcmp (section, ".reg-s390-ctrs") == 0) |
9585 | return elfcore_write_s390_ctrs (abfd, buf, bufsiz, data, size); |
10203 | return elfcore_write_s390_ctrs (abfd, buf, bufsiz, data, size); |
9586 | if (strcmp (section, ".reg-s390-prefix") == 0) |
10204 | if (strcmp (section, ".reg-s390-prefix") == 0) |
9587 | return elfcore_write_s390_prefix (abfd, buf, bufsiz, data, size); |
10205 | return elfcore_write_s390_prefix (abfd, buf, bufsiz, data, size); |
9588 | if (strcmp (section, ".reg-s390-last-break") == 0) |
10206 | if (strcmp (section, ".reg-s390-last-break") == 0) |
9589 | return elfcore_write_s390_last_break (abfd, buf, bufsiz, data, size); |
10207 | return elfcore_write_s390_last_break (abfd, buf, bufsiz, data, size); |
9590 | if (strcmp (section, ".reg-s390-system-call") == 0) |
10208 | if (strcmp (section, ".reg-s390-system-call") == 0) |
9591 | return elfcore_write_s390_system_call (abfd, buf, bufsiz, data, size); |
10209 | return elfcore_write_s390_system_call (abfd, buf, bufsiz, data, size); |
9592 | if (strcmp (section, ".reg-s390-tdb") == 0) |
10210 | if (strcmp (section, ".reg-s390-tdb") == 0) |
9593 | return elfcore_write_s390_tdb (abfd, buf, bufsiz, data, size); |
10211 | return elfcore_write_s390_tdb (abfd, buf, bufsiz, data, size); |
- | 10212 | if (strcmp (section, ".reg-s390-vxrs-low") == 0) |
|
- | 10213 | return elfcore_write_s390_vxrs_low (abfd, buf, bufsiz, data, size); |
|
- | 10214 | if (strcmp (section, ".reg-s390-vxrs-high") == 0) |
|
- | 10215 | return elfcore_write_s390_vxrs_high (abfd, buf, bufsiz, data, size); |
|
9594 | if (strcmp (section, ".reg-arm-vfp") == 0) |
10216 | if (strcmp (section, ".reg-arm-vfp") == 0) |
9595 | return elfcore_write_arm_vfp (abfd, buf, bufsiz, data, size); |
10217 | return elfcore_write_arm_vfp (abfd, buf, bufsiz, data, size); |
9596 | if (strcmp (section, ".reg-aarch-tls") == 0) |
10218 | if (strcmp (section, ".reg-aarch-tls") == 0) |
9597 | return elfcore_write_aarch_tls (abfd, buf, bufsiz, data, size); |
10219 | return elfcore_write_aarch_tls (abfd, buf, bufsiz, data, size); |
9598 | if (strcmp (section, ".reg-aarch-hw-break") == 0) |
10220 | if (strcmp (section, ".reg-aarch-hw-break") == 0) |
9599 | return elfcore_write_aarch_hw_break (abfd, buf, bufsiz, data, size); |
10221 | return elfcore_write_aarch_hw_break (abfd, buf, bufsiz, data, size); |
9600 | if (strcmp (section, ".reg-aarch-hw-watch") == 0) |
10222 | if (strcmp (section, ".reg-aarch-hw-watch") == 0) |
9601 | return elfcore_write_aarch_hw_watch (abfd, buf, bufsiz, data, size); |
10223 | return elfcore_write_aarch_hw_watch (abfd, buf, bufsiz, data, size); |
9602 | return NULL; |
10224 | return NULL; |
9603 | } |
10225 | } |
9604 | 10226 | ||
9605 | static bfd_boolean |
10227 | static bfd_boolean |
9606 | elf_parse_notes (bfd *abfd, char *buf, size_t size, file_ptr offset) |
10228 | elf_parse_notes (bfd *abfd, char *buf, size_t size, file_ptr offset) |
9607 | { |
10229 | { |
9608 | char *p; |
10230 | char *p; |
9609 | 10231 | ||
9610 | p = buf; |
10232 | p = buf; |
9611 | while (p < buf + size) |
10233 | while (p < buf + size) |
9612 | { |
10234 | { |
9613 | /* FIXME: bad alignment assumption. */ |
10235 | /* FIXME: bad alignment assumption. */ |
9614 | Elf_External_Note *xnp = (Elf_External_Note *) p; |
10236 | Elf_External_Note *xnp = (Elf_External_Note *) p; |
9615 | Elf_Internal_Note in; |
10237 | Elf_Internal_Note in; |
9616 | 10238 | ||
9617 | if (offsetof (Elf_External_Note, name) > buf - p + size) |
10239 | if (offsetof (Elf_External_Note, name) > buf - p + size) |
9618 | return FALSE; |
10240 | return FALSE; |
9619 | 10241 | ||
9620 | in.type = H_GET_32 (abfd, xnp->type); |
10242 | in.type = H_GET_32 (abfd, xnp->type); |
9621 | 10243 | ||
9622 | in.namesz = H_GET_32 (abfd, xnp->namesz); |
10244 | in.namesz = H_GET_32 (abfd, xnp->namesz); |
9623 | in.namedata = xnp->name; |
10245 | in.namedata = xnp->name; |
9624 | if (in.namesz > buf - in.namedata + size) |
10246 | if (in.namesz > buf - in.namedata + size) |
9625 | return FALSE; |
10247 | return FALSE; |
9626 | 10248 | ||
9627 | in.descsz = H_GET_32 (abfd, xnp->descsz); |
10249 | in.descsz = H_GET_32 (abfd, xnp->descsz); |
9628 | in.descdata = in.namedata + BFD_ALIGN (in.namesz, 4); |
10250 | in.descdata = in.namedata + BFD_ALIGN (in.namesz, 4); |
9629 | in.descpos = offset + (in.descdata - buf); |
10251 | in.descpos = offset + (in.descdata - buf); |
9630 | if (in.descsz != 0 |
10252 | if (in.descsz != 0 |
9631 | && (in.descdata >= buf + size |
10253 | && (in.descdata >= buf + size |
9632 | || in.descsz > buf - in.descdata + size)) |
10254 | || in.descsz > buf - in.descdata + size)) |
9633 | return FALSE; |
10255 | return FALSE; |
9634 | 10256 | ||
9635 | switch (bfd_get_format (abfd)) |
10257 | switch (bfd_get_format (abfd)) |
9636 | { |
10258 | { |
9637 | default: |
10259 | default: |
9638 | return TRUE; |
10260 | return TRUE; |
9639 | 10261 | ||
9640 | case bfd_core: |
10262 | case bfd_core: |
9641 | if (CONST_STRNEQ (in.namedata, "NetBSD-CORE")) |
- | |
9642 | { |
10263 | { |
9643 | if (! elfcore_grok_netbsd_note (abfd, &in)) |
10264 | #define GROKER_ELEMENT(S,F) {S, sizeof (S) - 1, F} |
9644 | return FALSE; |
- | |
9645 | } |
10265 | struct |
9646 | else if (CONST_STRNEQ (in.namedata, "OpenBSD")) |
- | |
9647 | { |
10266 | { |
9648 | if (! elfcore_grok_openbsd_note (abfd, &in)) |
10267 | const char * string; |
9649 | return FALSE; |
10268 | size_t len; |
- | 10269 | bfd_boolean (* func)(bfd *, Elf_Internal_Note *); |
|
9650 | } |
10270 | } |
9651 | else if (CONST_STRNEQ (in.namedata, "QNX")) |
10271 | grokers[] = |
9652 | { |
10272 | { |
- | 10273 | GROKER_ELEMENT ("", elfcore_grok_note), |
|
- | 10274 | GROKER_ELEMENT ("NetBSD-CORE", elfcore_grok_netbsd_note), |
|
- | 10275 | GROKER_ELEMENT ( "OpenBSD", elfcore_grok_openbsd_note), |
|
9653 | if (! elfcore_grok_nto_note (abfd, &in)) |
10276 | GROKER_ELEMENT ("QNX", elfcore_grok_nto_note), |
- | 10277 | GROKER_ELEMENT ("SPU/", elfcore_grok_spu_note) |
|
- | 10278 | }; |
|
9654 | return FALSE; |
10279 | #undef GROKER_ELEMENT |
9655 | } |
10280 | int i; |
- | 10281 | ||
9656 | else if (CONST_STRNEQ (in.namedata, "SPU/")) |
10282 | for (i = ARRAY_SIZE (grokers); i--;) |
9657 | { |
10283 | { |
- | 10284 | if (in.namesz >= grokers[i].len |
|
9658 | if (! elfcore_grok_spu_note (abfd, &in)) |
10285 | && strncmp (in.namedata, grokers[i].string, |
9659 | return FALSE; |
10286 | grokers[i].len) == 0) |
9660 | } |
- | |
9661 | else |
- | |
9662 | { |
10287 | { |
9663 | if (! elfcore_grok_note (abfd, &in)) |
10288 | if (! grokers[i].func (abfd, & in)) |
9664 | return FALSE; |
10289 | return FALSE; |
- | 10290 | break; |
|
- | 10291 | } |
|
9665 | } |
10292 | } |
9666 | break; |
10293 | break; |
- | 10294 | } |
|
9667 | 10295 | ||
9668 | case bfd_object: |
10296 | case bfd_object: |
9669 | if (in.namesz == sizeof "GNU" && strcmp (in.namedata, "GNU") == 0) |
10297 | if (in.namesz == sizeof "GNU" && strcmp (in.namedata, "GNU") == 0) |
9670 | { |
10298 | { |
9671 | if (! elfobj_grok_gnu_note (abfd, &in)) |
10299 | if (! elfobj_grok_gnu_note (abfd, &in)) |
9672 | return FALSE; |
10300 | return FALSE; |
9673 | } |
10301 | } |
9674 | else if (in.namesz == sizeof "stapsdt" |
10302 | else if (in.namesz == sizeof "stapsdt" |
9675 | && strcmp (in.namedata, "stapsdt") == 0) |
10303 | && strcmp (in.namedata, "stapsdt") == 0) |
9676 | { |
10304 | { |
9677 | if (! elfobj_grok_stapsdt_note (abfd, &in)) |
10305 | if (! elfobj_grok_stapsdt_note (abfd, &in)) |
9678 | return FALSE; |
10306 | return FALSE; |
9679 | } |
10307 | } |
9680 | break; |
10308 | break; |
9681 | } |
10309 | } |
9682 | 10310 | ||
9683 | p = in.descdata + BFD_ALIGN (in.descsz, 4); |
10311 | p = in.descdata + BFD_ALIGN (in.descsz, 4); |
9684 | } |
10312 | } |
9685 | 10313 | ||
9686 | return TRUE; |
10314 | return TRUE; |
9687 | } |
10315 | } |
9688 | 10316 | ||
9689 | static bfd_boolean |
10317 | static bfd_boolean |
9690 | elf_read_notes (bfd *abfd, file_ptr offset, bfd_size_type size) |
10318 | elf_read_notes (bfd *abfd, file_ptr offset, bfd_size_type size) |
9691 | { |
10319 | { |
9692 | char *buf; |
10320 | char *buf; |
9693 | 10321 | ||
9694 | if (size <= 0) |
10322 | if (size <= 0) |
9695 | return TRUE; |
10323 | return TRUE; |
9696 | 10324 | ||
9697 | if (bfd_seek (abfd, offset, SEEK_SET) != 0) |
10325 | if (bfd_seek (abfd, offset, SEEK_SET) != 0) |
9698 | return FALSE; |
10326 | return FALSE; |
9699 | 10327 | ||
9700 | buf = (char *) bfd_malloc (size); |
10328 | buf = (char *) bfd_malloc (size + 1); |
9701 | if (buf == NULL) |
10329 | if (buf == NULL) |
9702 | return FALSE; |
10330 | return FALSE; |
- | 10331 | ||
- | 10332 | /* PR 17512: file: ec08f814 |
|
- | 10333 | 0-termintate the buffer so that string searches will not overflow. */ |
|
- | 10334 | buf[size] = 0; |
|
9703 | 10335 | ||
9704 | if (bfd_bread (buf, size, abfd) != size |
10336 | if (bfd_bread (buf, size, abfd) != size |
9705 | || !elf_parse_notes (abfd, buf, size, offset)) |
10337 | || !elf_parse_notes (abfd, buf, size, offset)) |
9706 | { |
10338 | { |
9707 | free (buf); |
10339 | free (buf); |
9708 | return FALSE; |
10340 | return FALSE; |
9709 | } |
10341 | } |
9710 | 10342 | ||
9711 | free (buf); |
10343 | free (buf); |
9712 | return TRUE; |
10344 | return TRUE; |
9713 | } |
10345 | } |
9714 | 10346 | ||
9715 | /* Providing external access to the ELF program header table. */ |
10347 | /* Providing external access to the ELF program header table. */ |
9716 | 10348 | ||
9717 | /* Return an upper bound on the number of bytes required to store a |
10349 | /* Return an upper bound on the number of bytes required to store a |
9718 | copy of ABFD's program header table entries. Return -1 if an error |
10350 | copy of ABFD's program header table entries. Return -1 if an error |
9719 | occurs; bfd_get_error will return an appropriate code. */ |
10351 | occurs; bfd_get_error will return an appropriate code. */ |
9720 | 10352 | ||
9721 | long |
10353 | long |
9722 | bfd_get_elf_phdr_upper_bound (bfd *abfd) |
10354 | bfd_get_elf_phdr_upper_bound (bfd *abfd) |
9723 | { |
10355 | { |
9724 | if (abfd->xvec->flavour != bfd_target_elf_flavour) |
10356 | if (abfd->xvec->flavour != bfd_target_elf_flavour) |
9725 | { |
10357 | { |
9726 | bfd_set_error (bfd_error_wrong_format); |
10358 | bfd_set_error (bfd_error_wrong_format); |
9727 | return -1; |
10359 | return -1; |
9728 | } |
10360 | } |
9729 | 10361 | ||
9730 | return elf_elfheader (abfd)->e_phnum * sizeof (Elf_Internal_Phdr); |
10362 | return elf_elfheader (abfd)->e_phnum * sizeof (Elf_Internal_Phdr); |
9731 | } |
10363 | } |
9732 | 10364 | ||
9733 | /* Copy ABFD's program header table entries to *PHDRS. The entries |
10365 | /* Copy ABFD's program header table entries to *PHDRS. The entries |
9734 | will be stored as an array of Elf_Internal_Phdr structures, as |
10366 | will be stored as an array of Elf_Internal_Phdr structures, as |
9735 | defined in include/elf/internal.h. To find out how large the |
10367 | defined in include/elf/internal.h. To find out how large the |
9736 | buffer needs to be, call bfd_get_elf_phdr_upper_bound. |
10368 | buffer needs to be, call bfd_get_elf_phdr_upper_bound. |
9737 | 10369 | ||
9738 | Return the number of program header table entries read, or -1 if an |
10370 | Return the number of program header table entries read, or -1 if an |
9739 | error occurs; bfd_get_error will return an appropriate code. */ |
10371 | error occurs; bfd_get_error will return an appropriate code. */ |
9740 | 10372 | ||
9741 | int |
10373 | int |
9742 | bfd_get_elf_phdrs (bfd *abfd, void *phdrs) |
10374 | bfd_get_elf_phdrs (bfd *abfd, void *phdrs) |
9743 | { |
10375 | { |
9744 | int num_phdrs; |
10376 | int num_phdrs; |
9745 | 10377 | ||
9746 | if (abfd->xvec->flavour != bfd_target_elf_flavour) |
10378 | if (abfd->xvec->flavour != bfd_target_elf_flavour) |
9747 | { |
10379 | { |
9748 | bfd_set_error (bfd_error_wrong_format); |
10380 | bfd_set_error (bfd_error_wrong_format); |
9749 | return -1; |
10381 | return -1; |
9750 | } |
10382 | } |
9751 | 10383 | ||
9752 | num_phdrs = elf_elfheader (abfd)->e_phnum; |
10384 | num_phdrs = elf_elfheader (abfd)->e_phnum; |
9753 | memcpy (phdrs, elf_tdata (abfd)->phdr, |
10385 | memcpy (phdrs, elf_tdata (abfd)->phdr, |
9754 | num_phdrs * sizeof (Elf_Internal_Phdr)); |
10386 | num_phdrs * sizeof (Elf_Internal_Phdr)); |
9755 | 10387 | ||
9756 | return num_phdrs; |
10388 | return num_phdrs; |
9757 | } |
10389 | } |
9758 | 10390 | ||
9759 | enum elf_reloc_type_class |
10391 | enum elf_reloc_type_class |
9760 | _bfd_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED, |
10392 | _bfd_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED, |
9761 | const asection *rel_sec ATTRIBUTE_UNUSED, |
10393 | const asection *rel_sec ATTRIBUTE_UNUSED, |
9762 | const Elf_Internal_Rela *rela ATTRIBUTE_UNUSED) |
10394 | const Elf_Internal_Rela *rela ATTRIBUTE_UNUSED) |
9763 | { |
10395 | { |
9764 | return reloc_class_normal; |
10396 | return reloc_class_normal; |
9765 | } |
10397 | } |
9766 | 10398 | ||
9767 | /* For RELA architectures, return the relocation value for a |
10399 | /* For RELA architectures, return the relocation value for a |
9768 | relocation against a local symbol. */ |
10400 | relocation against a local symbol. */ |
9769 | 10401 | ||
9770 | bfd_vma |
10402 | bfd_vma |
9771 | _bfd_elf_rela_local_sym (bfd *abfd, |
10403 | _bfd_elf_rela_local_sym (bfd *abfd, |
9772 | Elf_Internal_Sym *sym, |
10404 | Elf_Internal_Sym *sym, |
9773 | asection **psec, |
10405 | asection **psec, |
9774 | Elf_Internal_Rela *rel) |
10406 | Elf_Internal_Rela *rel) |
9775 | { |
10407 | { |
9776 | asection *sec = *psec; |
10408 | asection *sec = *psec; |
9777 | bfd_vma relocation; |
10409 | bfd_vma relocation; |
9778 | 10410 | ||
9779 | relocation = (sec->output_section->vma |
10411 | relocation = (sec->output_section->vma |
9780 | + sec->output_offset |
10412 | + sec->output_offset |
9781 | + sym->st_value); |
10413 | + sym->st_value); |
9782 | if ((sec->flags & SEC_MERGE) |
10414 | if ((sec->flags & SEC_MERGE) |
9783 | && ELF_ST_TYPE (sym->st_info) == STT_SECTION |
10415 | && ELF_ST_TYPE (sym->st_info) == STT_SECTION |
9784 | && sec->sec_info_type == SEC_INFO_TYPE_MERGE) |
10416 | && sec->sec_info_type == SEC_INFO_TYPE_MERGE) |
9785 | { |
10417 | { |
9786 | rel->r_addend = |
10418 | rel->r_addend = |
9787 | _bfd_merged_section_offset (abfd, psec, |
10419 | _bfd_merged_section_offset (abfd, psec, |
9788 | elf_section_data (sec)->sec_info, |
10420 | elf_section_data (sec)->sec_info, |
9789 | sym->st_value + rel->r_addend); |
10421 | sym->st_value + rel->r_addend); |
9790 | if (sec != *psec) |
10422 | if (sec != *psec) |
9791 | { |
10423 | { |
9792 | /* If we have changed the section, and our original section is |
10424 | /* If we have changed the section, and our original section is |
9793 | marked with SEC_EXCLUDE, it means that the original |
10425 | marked with SEC_EXCLUDE, it means that the original |
9794 | SEC_MERGE section has been completely subsumed in some |
10426 | SEC_MERGE section has been completely subsumed in some |
9795 | other SEC_MERGE section. In this case, we need to leave |
10427 | other SEC_MERGE section. In this case, we need to leave |
9796 | some info around for --emit-relocs. */ |
10428 | some info around for --emit-relocs. */ |
9797 | if ((sec->flags & SEC_EXCLUDE) != 0) |
10429 | if ((sec->flags & SEC_EXCLUDE) != 0) |
9798 | sec->kept_section = *psec; |
10430 | sec->kept_section = *psec; |
9799 | sec = *psec; |
10431 | sec = *psec; |
9800 | } |
10432 | } |
9801 | rel->r_addend -= relocation; |
10433 | rel->r_addend -= relocation; |
9802 | rel->r_addend += sec->output_section->vma + sec->output_offset; |
10434 | rel->r_addend += sec->output_section->vma + sec->output_offset; |
9803 | } |
10435 | } |
9804 | return relocation; |
10436 | return relocation; |
9805 | } |
10437 | } |
9806 | 10438 | ||
9807 | bfd_vma |
10439 | bfd_vma |
9808 | _bfd_elf_rel_local_sym (bfd *abfd, |
10440 | _bfd_elf_rel_local_sym (bfd *abfd, |
9809 | Elf_Internal_Sym *sym, |
10441 | Elf_Internal_Sym *sym, |
9810 | asection **psec, |
10442 | asection **psec, |
9811 | bfd_vma addend) |
10443 | bfd_vma addend) |
9812 | { |
10444 | { |
9813 | asection *sec = *psec; |
10445 | asection *sec = *psec; |
9814 | 10446 | ||
9815 | if (sec->sec_info_type != SEC_INFO_TYPE_MERGE) |
10447 | if (sec->sec_info_type != SEC_INFO_TYPE_MERGE) |
9816 | return sym->st_value + addend; |
10448 | return sym->st_value + addend; |
9817 | 10449 | ||
9818 | return _bfd_merged_section_offset (abfd, psec, |
10450 | return _bfd_merged_section_offset (abfd, psec, |
9819 | elf_section_data (sec)->sec_info, |
10451 | elf_section_data (sec)->sec_info, |
9820 | sym->st_value + addend); |
10452 | sym->st_value + addend); |
9821 | } |
10453 | } |
9822 | 10454 | ||
9823 | bfd_vma |
10455 | bfd_vma |
9824 | _bfd_elf_section_offset (bfd *abfd, |
10456 | _bfd_elf_section_offset (bfd *abfd, |
9825 | struct bfd_link_info *info, |
10457 | struct bfd_link_info *info, |
9826 | asection *sec, |
10458 | asection *sec, |
9827 | bfd_vma offset) |
10459 | bfd_vma offset) |
9828 | { |
10460 | { |
9829 | switch (sec->sec_info_type) |
10461 | switch (sec->sec_info_type) |
9830 | { |
10462 | { |
9831 | case SEC_INFO_TYPE_STABS: |
10463 | case SEC_INFO_TYPE_STABS: |
9832 | return _bfd_stab_section_offset (sec, elf_section_data (sec)->sec_info, |
10464 | return _bfd_stab_section_offset (sec, elf_section_data (sec)->sec_info, |
9833 | offset); |
10465 | offset); |
9834 | case SEC_INFO_TYPE_EH_FRAME: |
10466 | case SEC_INFO_TYPE_EH_FRAME: |
9835 | return _bfd_elf_eh_frame_section_offset (abfd, info, sec, offset); |
10467 | return _bfd_elf_eh_frame_section_offset (abfd, info, sec, offset); |
9836 | default: |
10468 | default: |
9837 | if ((sec->flags & SEC_ELF_REVERSE_COPY) != 0) |
10469 | if ((sec->flags & SEC_ELF_REVERSE_COPY) != 0) |
9838 | { |
10470 | { |
9839 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
10471 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
9840 | bfd_size_type address_size = bed->s->arch_size / 8; |
10472 | bfd_size_type address_size = bed->s->arch_size / 8; |
9841 | offset = sec->size - offset - address_size; |
10473 | offset = sec->size - offset - address_size; |
9842 | } |
10474 | } |
9843 | return offset; |
10475 | return offset; |
9844 | } |
10476 | } |
9845 | } |
10477 | } |
9846 | 10478 | ||
9847 | /* Create a new BFD as if by bfd_openr. Rather than opening a file, |
10479 | /* Create a new BFD as if by bfd_openr. Rather than opening a file, |
9848 | reconstruct an ELF file by reading the segments out of remote memory |
10480 | reconstruct an ELF file by reading the segments out of remote memory |
9849 | based on the ELF file header at EHDR_VMA and the ELF program headers it |
10481 | based on the ELF file header at EHDR_VMA and the ELF program headers it |
9850 | points to. If not null, *LOADBASEP is filled in with the difference |
10482 | points to. If not null, *LOADBASEP is filled in with the difference |
9851 | between the VMAs from which the segments were read, and the VMAs the |
10483 | between the VMAs from which the segments were read, and the VMAs the |
9852 | file headers (and hence BFD's idea of each section's VMA) put them at. |
10484 | file headers (and hence BFD's idea of each section's VMA) put them at. |
9853 | 10485 | ||
9854 | The function TARGET_READ_MEMORY is called to copy LEN bytes from the |
10486 | The function TARGET_READ_MEMORY is called to copy LEN bytes from the |
9855 | remote memory at target address VMA into the local buffer at MYADDR; it |
10487 | remote memory at target address VMA into the local buffer at MYADDR; it |
9856 | should return zero on success or an `errno' code on failure. TEMPL must |
10488 | should return zero on success or an `errno' code on failure. TEMPL must |
9857 | be a BFD for an ELF target with the word size and byte order found in |
10489 | be a BFD for an ELF target with the word size and byte order found in |
9858 | the remote memory. */ |
10490 | the remote memory. */ |
9859 | 10491 | ||
9860 | bfd * |
10492 | bfd * |
9861 | bfd_elf_bfd_from_remote_memory |
10493 | bfd_elf_bfd_from_remote_memory |
9862 | (bfd *templ, |
10494 | (bfd *templ, |
9863 | bfd_vma ehdr_vma, |
10495 | bfd_vma ehdr_vma, |
- | 10496 | bfd_size_type size, |
|
9864 | bfd_vma *loadbasep, |
10497 | bfd_vma *loadbasep, |
9865 | int (*target_read_memory) (bfd_vma, bfd_byte *, bfd_size_type)) |
10498 | int (*target_read_memory) (bfd_vma, bfd_byte *, bfd_size_type)) |
9866 | { |
10499 | { |
9867 | return (*get_elf_backend_data (templ)->elf_backend_bfd_from_remote_memory) |
10500 | return (*get_elf_backend_data (templ)->elf_backend_bfd_from_remote_memory) |
9868 | (templ, ehdr_vma, loadbasep, target_read_memory); |
10501 | (templ, ehdr_vma, size, loadbasep, target_read_memory); |
9869 | } |
10502 | } |
9870 | 10503 | ||
9871 | long |
10504 | long |
9872 | _bfd_elf_get_synthetic_symtab (bfd *abfd, |
10505 | _bfd_elf_get_synthetic_symtab (bfd *abfd, |
9873 | long symcount ATTRIBUTE_UNUSED, |
10506 | long symcount ATTRIBUTE_UNUSED, |
9874 | asymbol **syms ATTRIBUTE_UNUSED, |
10507 | asymbol **syms ATTRIBUTE_UNUSED, |
9875 | long dynsymcount, |
10508 | long dynsymcount, |
9876 | asymbol **dynsyms, |
10509 | asymbol **dynsyms, |
9877 | asymbol **ret) |
10510 | asymbol **ret) |
9878 | { |
10511 | { |
9879 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
10512 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
9880 | asection *relplt; |
10513 | asection *relplt; |
9881 | asymbol *s; |
10514 | asymbol *s; |
9882 | const char *relplt_name; |
10515 | const char *relplt_name; |
9883 | bfd_boolean (*slurp_relocs) (bfd *, asection *, asymbol **, bfd_boolean); |
10516 | bfd_boolean (*slurp_relocs) (bfd *, asection *, asymbol **, bfd_boolean); |
9884 | arelent *p; |
10517 | arelent *p; |
9885 | long count, i, n; |
10518 | long count, i, n; |
9886 | size_t size; |
10519 | size_t size; |
9887 | Elf_Internal_Shdr *hdr; |
10520 | Elf_Internal_Shdr *hdr; |
9888 | char *names; |
10521 | char *names; |
9889 | asection *plt; |
10522 | asection *plt; |
9890 | 10523 | ||
9891 | *ret = NULL; |
10524 | *ret = NULL; |
9892 | 10525 | ||
9893 | if ((abfd->flags & (DYNAMIC | EXEC_P)) == 0) |
10526 | if ((abfd->flags & (DYNAMIC | EXEC_P)) == 0) |
9894 | return 0; |
10527 | return 0; |
9895 | 10528 | ||
9896 | if (dynsymcount <= 0) |
10529 | if (dynsymcount <= 0) |
9897 | return 0; |
10530 | return 0; |
9898 | 10531 | ||
9899 | if (!bed->plt_sym_val) |
10532 | if (!bed->plt_sym_val) |
9900 | return 0; |
10533 | return 0; |
9901 | 10534 | ||
9902 | relplt_name = bed->relplt_name; |
10535 | relplt_name = bed->relplt_name; |
9903 | if (relplt_name == NULL) |
10536 | if (relplt_name == NULL) |
9904 | relplt_name = bed->rela_plts_and_copies_p ? ".rela.plt" : ".rel.plt"; |
10537 | relplt_name = bed->rela_plts_and_copies_p ? ".rela.plt" : ".rel.plt"; |
9905 | relplt = bfd_get_section_by_name (abfd, relplt_name); |
10538 | relplt = bfd_get_section_by_name (abfd, relplt_name); |
9906 | if (relplt == NULL) |
10539 | if (relplt == NULL) |
9907 | return 0; |
10540 | return 0; |
9908 | 10541 | ||
9909 | hdr = &elf_section_data (relplt)->this_hdr; |
10542 | hdr = &elf_section_data (relplt)->this_hdr; |
9910 | if (hdr->sh_link != elf_dynsymtab (abfd) |
10543 | if (hdr->sh_link != elf_dynsymtab (abfd) |
9911 | || (hdr->sh_type != SHT_REL && hdr->sh_type != SHT_RELA)) |
10544 | || (hdr->sh_type != SHT_REL && hdr->sh_type != SHT_RELA)) |
9912 | return 0; |
10545 | return 0; |
9913 | 10546 | ||
9914 | plt = bfd_get_section_by_name (abfd, ".plt"); |
10547 | plt = bfd_get_section_by_name (abfd, ".plt"); |
9915 | if (plt == NULL) |
10548 | if (plt == NULL) |
9916 | return 0; |
10549 | return 0; |
9917 | 10550 | ||
9918 | slurp_relocs = get_elf_backend_data (abfd)->s->slurp_reloc_table; |
10551 | slurp_relocs = get_elf_backend_data (abfd)->s->slurp_reloc_table; |
9919 | if (! (*slurp_relocs) (abfd, relplt, dynsyms, TRUE)) |
10552 | if (! (*slurp_relocs) (abfd, relplt, dynsyms, TRUE)) |
9920 | return -1; |
10553 | return -1; |
9921 | 10554 | ||
9922 | count = relplt->size / hdr->sh_entsize; |
10555 | count = relplt->size / hdr->sh_entsize; |
9923 | size = count * sizeof (asymbol); |
10556 | size = count * sizeof (asymbol); |
9924 | p = relplt->relocation; |
10557 | p = relplt->relocation; |
9925 | for (i = 0; i < count; i++, p += bed->s->int_rels_per_ext_rel) |
10558 | for (i = 0; i < count; i++, p += bed->s->int_rels_per_ext_rel) |
9926 | { |
10559 | { |
9927 | size += strlen ((*p->sym_ptr_ptr)->name) + sizeof ("@plt"); |
10560 | size += strlen ((*p->sym_ptr_ptr)->name) + sizeof ("@plt"); |
9928 | if (p->addend != 0) |
10561 | if (p->addend != 0) |
9929 | { |
10562 | { |
9930 | #ifdef BFD64 |
10563 | #ifdef BFD64 |
9931 | size += sizeof ("+0x") - 1 + 8 + 8 * (bed->s->elfclass == ELFCLASS64); |
10564 | size += sizeof ("+0x") - 1 + 8 + 8 * (bed->s->elfclass == ELFCLASS64); |
9932 | #else |
10565 | #else |
9933 | size += sizeof ("+0x") - 1 + 8; |
10566 | size += sizeof ("+0x") - 1 + 8; |
9934 | #endif |
10567 | #endif |
9935 | } |
10568 | } |
9936 | } |
10569 | } |
9937 | 10570 | ||
9938 | s = *ret = (asymbol *) bfd_malloc (size); |
10571 | s = *ret = (asymbol *) bfd_malloc (size); |
9939 | if (s == NULL) |
10572 | if (s == NULL) |
9940 | return -1; |
10573 | return -1; |
9941 | 10574 | ||
9942 | names = (char *) (s + count); |
10575 | names = (char *) (s + count); |
9943 | p = relplt->relocation; |
10576 | p = relplt->relocation; |
9944 | n = 0; |
10577 | n = 0; |
9945 | for (i = 0; i < count; i++, p += bed->s->int_rels_per_ext_rel) |
10578 | for (i = 0; i < count; i++, p += bed->s->int_rels_per_ext_rel) |
9946 | { |
10579 | { |
9947 | size_t len; |
10580 | size_t len; |
9948 | bfd_vma addr; |
10581 | bfd_vma addr; |
9949 | 10582 | ||
9950 | addr = bed->plt_sym_val (i, plt, p); |
10583 | addr = bed->plt_sym_val (i, plt, p); |
9951 | if (addr == (bfd_vma) -1) |
10584 | if (addr == (bfd_vma) -1) |
9952 | continue; |
10585 | continue; |
9953 | 10586 | ||
9954 | *s = **p->sym_ptr_ptr; |
10587 | *s = **p->sym_ptr_ptr; |
9955 | /* Undefined syms won't have BSF_LOCAL or BSF_GLOBAL set. Since |
10588 | /* Undefined syms won't have BSF_LOCAL or BSF_GLOBAL set. Since |
9956 | we are defining a symbol, ensure one of them is set. */ |
10589 | we are defining a symbol, ensure one of them is set. */ |
9957 | if ((s->flags & BSF_LOCAL) == 0) |
10590 | if ((s->flags & BSF_LOCAL) == 0) |
9958 | s->flags |= BSF_GLOBAL; |
10591 | s->flags |= BSF_GLOBAL; |
9959 | s->flags |= BSF_SYNTHETIC; |
10592 | s->flags |= BSF_SYNTHETIC; |
9960 | s->section = plt; |
10593 | s->section = plt; |
9961 | s->value = addr - plt->vma; |
10594 | s->value = addr - plt->vma; |
9962 | s->name = names; |
10595 | s->name = names; |
9963 | s->udata.p = NULL; |
10596 | s->udata.p = NULL; |
9964 | len = strlen ((*p->sym_ptr_ptr)->name); |
10597 | len = strlen ((*p->sym_ptr_ptr)->name); |
9965 | memcpy (names, (*p->sym_ptr_ptr)->name, len); |
10598 | memcpy (names, (*p->sym_ptr_ptr)->name, len); |
9966 | names += len; |
10599 | names += len; |
9967 | if (p->addend != 0) |
10600 | if (p->addend != 0) |
9968 | { |
10601 | { |
9969 | char buf[30], *a; |
10602 | char buf[30], *a; |
9970 | 10603 | ||
9971 | memcpy (names, "+0x", sizeof ("+0x") - 1); |
10604 | memcpy (names, "+0x", sizeof ("+0x") - 1); |
9972 | names += sizeof ("+0x") - 1; |
10605 | names += sizeof ("+0x") - 1; |
9973 | bfd_sprintf_vma (abfd, buf, p->addend); |
10606 | bfd_sprintf_vma (abfd, buf, p->addend); |
9974 | for (a = buf; *a == '0'; ++a) |
10607 | for (a = buf; *a == '0'; ++a) |
9975 | ; |
10608 | ; |
9976 | len = strlen (a); |
10609 | len = strlen (a); |
9977 | memcpy (names, a, len); |
10610 | memcpy (names, a, len); |
9978 | names += len; |
10611 | names += len; |
9979 | } |
10612 | } |
9980 | memcpy (names, "@plt", sizeof ("@plt")); |
10613 | memcpy (names, "@plt", sizeof ("@plt")); |
9981 | names += sizeof ("@plt"); |
10614 | names += sizeof ("@plt"); |
9982 | ++s, ++n; |
10615 | ++s, ++n; |
9983 | } |
10616 | } |
9984 | 10617 | ||
9985 | return n; |
10618 | return n; |
9986 | } |
10619 | } |
9987 | 10620 | ||
9988 | /* It is only used by x86-64 so far. */ |
10621 | /* It is only used by x86-64 so far. */ |
9989 | asection _bfd_elf_large_com_section |
10622 | asection _bfd_elf_large_com_section |
9990 | = BFD_FAKE_SECTION (_bfd_elf_large_com_section, |
10623 | = BFD_FAKE_SECTION (_bfd_elf_large_com_section, |
9991 | SEC_IS_COMMON, NULL, "LARGE_COMMON", 0); |
10624 | SEC_IS_COMMON, NULL, "LARGE_COMMON", 0); |
9992 | 10625 | ||
9993 | void |
10626 | void |
9994 | _bfd_elf_set_osabi (bfd * abfd, |
10627 | _bfd_elf_post_process_headers (bfd * abfd, |
9995 | struct bfd_link_info * link_info ATTRIBUTE_UNUSED) |
10628 | struct bfd_link_info * link_info ATTRIBUTE_UNUSED) |
9996 | { |
10629 | { |
9997 | Elf_Internal_Ehdr * i_ehdrp; /* ELF file header, internal form. */ |
10630 | Elf_Internal_Ehdr * i_ehdrp; /* ELF file header, internal form. */ |
9998 | 10631 | ||
9999 | i_ehdrp = elf_elfheader (abfd); |
10632 | i_ehdrp = elf_elfheader (abfd); |
10000 | 10633 | ||
10001 | i_ehdrp->e_ident[EI_OSABI] = get_elf_backend_data (abfd)->elf_osabi; |
10634 | i_ehdrp->e_ident[EI_OSABI] = get_elf_backend_data (abfd)->elf_osabi; |
10002 | 10635 | ||
10003 | /* To make things simpler for the loader on Linux systems we set the |
10636 | /* To make things simpler for the loader on Linux systems we set the |
10004 | osabi field to ELFOSABI_GNU if the binary contains symbols of |
10637 | osabi field to ELFOSABI_GNU if the binary contains symbols of |
10005 | the STT_GNU_IFUNC type or STB_GNU_UNIQUE binding. */ |
10638 | the STT_GNU_IFUNC type or STB_GNU_UNIQUE binding. */ |
10006 | if (i_ehdrp->e_ident[EI_OSABI] == ELFOSABI_NONE |
10639 | if (i_ehdrp->e_ident[EI_OSABI] == ELFOSABI_NONE |
10007 | && elf_tdata (abfd)->has_gnu_symbols) |
10640 | && elf_tdata (abfd)->has_gnu_symbols) |
10008 | i_ehdrp->e_ident[EI_OSABI] = ELFOSABI_GNU; |
10641 | i_ehdrp->e_ident[EI_OSABI] = ELFOSABI_GNU; |
10009 | } |
10642 | } |
10010 | 10643 | ||
10011 | 10644 | ||
10012 | /* Return TRUE for ELF symbol types that represent functions. |
10645 | /* Return TRUE for ELF symbol types that represent functions. |
10013 | This is the default version of this function, which is sufficient for |
10646 | This is the default version of this function, which is sufficient for |
10014 | most targets. It returns true if TYPE is STT_FUNC or STT_GNU_IFUNC. */ |
10647 | most targets. It returns true if TYPE is STT_FUNC or STT_GNU_IFUNC. */ |
10015 | 10648 | ||
10016 | bfd_boolean |
10649 | bfd_boolean |
10017 | _bfd_elf_is_function_type (unsigned int type) |
10650 | _bfd_elf_is_function_type (unsigned int type) |
10018 | { |
10651 | { |
10019 | return (type == STT_FUNC |
10652 | return (type == STT_FUNC |
10020 | || type == STT_GNU_IFUNC); |
10653 | || type == STT_GNU_IFUNC); |
10021 | } |
10654 | } |
10022 | 10655 | ||
10023 | /* If the ELF symbol SYM might be a function in SEC, return the |
10656 | /* If the ELF symbol SYM might be a function in SEC, return the |
10024 | function size and set *CODE_OFF to the function's entry point, |
10657 | function size and set *CODE_OFF to the function's entry point, |
10025 | otherwise return zero. */ |
10658 | otherwise return zero. */ |
10026 | 10659 | ||
10027 | bfd_size_type |
10660 | bfd_size_type |
10028 | _bfd_elf_maybe_function_sym (const asymbol *sym, asection *sec, |
10661 | _bfd_elf_maybe_function_sym (const asymbol *sym, asection *sec, |
10029 | bfd_vma *code_off) |
10662 | bfd_vma *code_off) |
10030 | { |
10663 | { |
10031 | bfd_size_type size; |
10664 | bfd_size_type size; |
10032 | 10665 | ||
10033 | if ((sym->flags & (BSF_SECTION_SYM | BSF_FILE | BSF_OBJECT |
10666 | if ((sym->flags & (BSF_SECTION_SYM | BSF_FILE | BSF_OBJECT |
10034 | | BSF_THREAD_LOCAL | BSF_RELC | BSF_SRELC)) != 0 |
10667 | | BSF_THREAD_LOCAL | BSF_RELC | BSF_SRELC)) != 0 |
10035 | || sym->section != sec) |
10668 | || sym->section != sec) |
10036 | return 0; |
10669 | return 0; |
10037 | 10670 | ||
10038 | *code_off = sym->value; |
10671 | *code_off = sym->value; |
10039 | size = 0; |
10672 | size = 0; |
10040 | if (!(sym->flags & BSF_SYNTHETIC)) |
10673 | if (!(sym->flags & BSF_SYNTHETIC)) |
10041 | size = ((elf_symbol_type *) sym)->internal_elf_sym.st_size; |
10674 | size = ((elf_symbol_type *) sym)->internal_elf_sym.st_size; |
10042 | if (size == 0) |
10675 | if (size == 0) |
10043 | size = 1; |
10676 | size = 1; |
10044 | return size; |
10677 | return size; |
10045 | }>>=>=>>>>>=>>>>>>>>>>>>>>>>><>>><>>>>>=>>>>>>>>=>>>>>>=>=>=>=>>>>><>>>>>>>>>>>><>>>>>>>><>>><>>>=>=>>>>>>>=>>>>>>>=>>><>><>>>>>>>>><>><>>>=>>=>=>=>>>>>>=>>>=>>>>>>>>>>=>><>><> |
10678 | }>>=>=>>>>>>>>>>>>>>>>>>>=>><>>><>><>>>>>=>>>>>>>>=>>>>>>=>=>=>=>>>><>>>>>>>>>>>>>><>>>>>>>><>>><>>>=>=>>>>>>>>=>>>>>>>=>>><>><>>>>>>>><>><>>>=>>=>=>=>>>>>>=>=>>>>>=>>>>>>>>>>>=>><>><> |