Rev 5191 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
5191 | serge | 1 | /* MIPS ELF support for BFD. |
6324 | serge | 2 | Copyright (C) 1993-2015 Free Software Foundation, Inc. |
5191 | serge | 3 | |
4 | By Ian Lance Taylor, Cygnus Support, |
||
5 | information in the System V Application Binary Interface, MIPS |
||
6 | Processor Supplement. |
||
7 | |||
8 | This file is part of BFD, the Binary File Descriptor library. |
||
9 | |||
10 | This program is free software; you can redistribute it and/or modify |
||
11 | it under the terms of the GNU General Public License as published by |
||
12 | the Free Software Foundation; either version 3 of the License, or |
||
13 | (at your option) any later version. |
||
14 | |||
15 | This program is distributed in the hope that it will be useful, |
||
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
||
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||
18 | GNU General Public License for more details. |
||
19 | |||
20 | You should have received a copy of the GNU General Public License |
||
21 | along with this program; if not, write to the Free Software |
||
22 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
||
23 | MA 02110-1301, USA. */ |
||
24 | |||
25 | /* This file holds definitions specific to the MIPS ELF ABI. Note |
||
26 | that most of this is not actually implemented by BFD. */ |
||
27 | |||
28 | #ifndef _ELF_MIPS_H |
||
29 | #define _ELF_MIPS_H |
||
30 | |||
31 | #include "elf/reloc-macros.h" |
||
32 | |||
33 | /* Relocation types. */ |
||
34 | START_RELOC_NUMBERS (elf_mips_reloc_type) |
||
35 | RELOC_NUMBER (R_MIPS_NONE, 0) |
||
36 | RELOC_NUMBER (R_MIPS_16, 1) |
||
37 | RELOC_NUMBER (R_MIPS_32, 2) /* In Elf 64: alias R_MIPS_ADD */ |
||
38 | RELOC_NUMBER (R_MIPS_REL32, 3) /* In Elf 64: alias R_MIPS_REL */ |
||
39 | RELOC_NUMBER (R_MIPS_26, 4) |
||
40 | RELOC_NUMBER (R_MIPS_HI16, 5) |
||
41 | RELOC_NUMBER (R_MIPS_LO16, 6) |
||
42 | RELOC_NUMBER (R_MIPS_GPREL16, 7) /* In Elf 64: alias R_MIPS_GPREL */ |
||
43 | RELOC_NUMBER (R_MIPS_LITERAL, 8) |
||
44 | RELOC_NUMBER (R_MIPS_GOT16, 9) /* In Elf 64: alias R_MIPS_GOT */ |
||
45 | RELOC_NUMBER (R_MIPS_PC16, 10) |
||
46 | RELOC_NUMBER (R_MIPS_CALL16, 11) /* In Elf 64: alias R_MIPS_CALL */ |
||
47 | RELOC_NUMBER (R_MIPS_GPREL32, 12) |
||
48 | /* The remaining relocs are defined on Irix, although they are not |
||
49 | in the MIPS ELF ABI. */ |
||
50 | RELOC_NUMBER (R_MIPS_UNUSED1, 13) |
||
51 | RELOC_NUMBER (R_MIPS_UNUSED2, 14) |
||
52 | RELOC_NUMBER (R_MIPS_UNUSED3, 15) |
||
53 | RELOC_NUMBER (R_MIPS_SHIFT5, 16) |
||
54 | RELOC_NUMBER (R_MIPS_SHIFT6, 17) |
||
55 | RELOC_NUMBER (R_MIPS_64, 18) |
||
56 | RELOC_NUMBER (R_MIPS_GOT_DISP, 19) |
||
57 | RELOC_NUMBER (R_MIPS_GOT_PAGE, 20) |
||
58 | RELOC_NUMBER (R_MIPS_GOT_OFST, 21) |
||
59 | RELOC_NUMBER (R_MIPS_GOT_HI16, 22) |
||
60 | RELOC_NUMBER (R_MIPS_GOT_LO16, 23) |
||
61 | RELOC_NUMBER (R_MIPS_SUB, 24) |
||
62 | RELOC_NUMBER (R_MIPS_INSERT_A, 25) |
||
63 | RELOC_NUMBER (R_MIPS_INSERT_B, 26) |
||
64 | RELOC_NUMBER (R_MIPS_DELETE, 27) |
||
65 | RELOC_NUMBER (R_MIPS_HIGHER, 28) |
||
66 | RELOC_NUMBER (R_MIPS_HIGHEST, 29) |
||
67 | RELOC_NUMBER (R_MIPS_CALL_HI16, 30) |
||
68 | RELOC_NUMBER (R_MIPS_CALL_LO16, 31) |
||
69 | RELOC_NUMBER (R_MIPS_SCN_DISP, 32) |
||
70 | RELOC_NUMBER (R_MIPS_REL16, 33) |
||
71 | RELOC_NUMBER (R_MIPS_ADD_IMMEDIATE, 34) |
||
72 | RELOC_NUMBER (R_MIPS_PJUMP, 35) |
||
73 | RELOC_NUMBER (R_MIPS_RELGOT, 36) |
||
74 | RELOC_NUMBER (R_MIPS_JALR, 37) |
||
75 | /* TLS relocations. */ |
||
76 | RELOC_NUMBER (R_MIPS_TLS_DTPMOD32, 38) |
||
77 | RELOC_NUMBER (R_MIPS_TLS_DTPREL32, 39) |
||
78 | RELOC_NUMBER (R_MIPS_TLS_DTPMOD64, 40) |
||
79 | RELOC_NUMBER (R_MIPS_TLS_DTPREL64, 41) |
||
80 | RELOC_NUMBER (R_MIPS_TLS_GD, 42) |
||
81 | RELOC_NUMBER (R_MIPS_TLS_LDM, 43) |
||
82 | RELOC_NUMBER (R_MIPS_TLS_DTPREL_HI16, 44) |
||
83 | RELOC_NUMBER (R_MIPS_TLS_DTPREL_LO16, 45) |
||
84 | RELOC_NUMBER (R_MIPS_TLS_GOTTPREL, 46) |
||
85 | RELOC_NUMBER (R_MIPS_TLS_TPREL32, 47) |
||
86 | RELOC_NUMBER (R_MIPS_TLS_TPREL64, 48) |
||
87 | RELOC_NUMBER (R_MIPS_TLS_TPREL_HI16, 49) |
||
88 | RELOC_NUMBER (R_MIPS_TLS_TPREL_LO16, 50) |
||
89 | RELOC_NUMBER (R_MIPS_GLOB_DAT, 51) |
||
6324 | serge | 90 | /* Space to grow */ |
91 | RELOC_NUMBER (R_MIPS_PC21_S2, 60) |
||
92 | RELOC_NUMBER (R_MIPS_PC26_S2, 61) |
||
93 | RELOC_NUMBER (R_MIPS_PC18_S3, 62) |
||
94 | RELOC_NUMBER (R_MIPS_PC19_S2, 63) |
||
95 | RELOC_NUMBER (R_MIPS_PCHI16, 64) |
||
96 | RELOC_NUMBER (R_MIPS_PCLO16, 65) |
||
97 | FAKE_RELOC (R_MIPS_max, 66) |
||
5191 | serge | 98 | /* These relocs are used for the mips16. */ |
99 | FAKE_RELOC (R_MIPS16_min, 100) |
||
100 | RELOC_NUMBER (R_MIPS16_26, 100) |
||
101 | RELOC_NUMBER (R_MIPS16_GPREL, 101) |
||
102 | RELOC_NUMBER (R_MIPS16_GOT16, 102) |
||
103 | RELOC_NUMBER (R_MIPS16_CALL16, 103) |
||
104 | RELOC_NUMBER (R_MIPS16_HI16, 104) |
||
105 | RELOC_NUMBER (R_MIPS16_LO16, 105) |
||
106 | RELOC_NUMBER (R_MIPS16_TLS_GD, 106) |
||
107 | RELOC_NUMBER (R_MIPS16_TLS_LDM, 107) |
||
108 | RELOC_NUMBER (R_MIPS16_TLS_DTPREL_HI16, 108) |
||
109 | RELOC_NUMBER (R_MIPS16_TLS_DTPREL_LO16, 109) |
||
110 | RELOC_NUMBER (R_MIPS16_TLS_GOTTPREL, 110) |
||
111 | RELOC_NUMBER (R_MIPS16_TLS_TPREL_HI16, 111) |
||
112 | RELOC_NUMBER (R_MIPS16_TLS_TPREL_LO16, 112) |
||
113 | FAKE_RELOC (R_MIPS16_max, 113) |
||
114 | /* These relocations are specific to VxWorks. */ |
||
115 | RELOC_NUMBER (R_MIPS_COPY, 126) |
||
116 | RELOC_NUMBER (R_MIPS_JUMP_SLOT, 127) |
||
117 | |||
118 | /* These relocations are specific to microMIPS. */ |
||
119 | FAKE_RELOC (R_MICROMIPS_min, 130) |
||
120 | RELOC_NUMBER (R_MICROMIPS_26_S1, 133) |
||
121 | RELOC_NUMBER (R_MICROMIPS_HI16, 134) |
||
122 | RELOC_NUMBER (R_MICROMIPS_LO16, 135) |
||
123 | RELOC_NUMBER (R_MICROMIPS_GPREL16, 136) /* In Elf 64: |
||
124 | alias R_MICROMIPS_GPREL */ |
||
125 | RELOC_NUMBER (R_MICROMIPS_LITERAL, 137) |
||
126 | RELOC_NUMBER (R_MICROMIPS_GOT16, 138) /* In Elf 64: |
||
127 | alias R_MICROMIPS_GOT */ |
||
128 | RELOC_NUMBER (R_MICROMIPS_PC7_S1, 139) |
||
129 | RELOC_NUMBER (R_MICROMIPS_PC10_S1, 140) |
||
130 | RELOC_NUMBER (R_MICROMIPS_PC16_S1, 141) |
||
131 | RELOC_NUMBER (R_MICROMIPS_CALL16, 142) /* In Elf 64: |
||
132 | alias R_MICROMIPS_CALL */ |
||
133 | RELOC_NUMBER (R_MICROMIPS_GOT_DISP, 145) |
||
134 | RELOC_NUMBER (R_MICROMIPS_GOT_PAGE, 146) |
||
135 | RELOC_NUMBER (R_MICROMIPS_GOT_OFST, 147) |
||
136 | RELOC_NUMBER (R_MICROMIPS_GOT_HI16, 148) |
||
137 | RELOC_NUMBER (R_MICROMIPS_GOT_LO16, 149) |
||
138 | RELOC_NUMBER (R_MICROMIPS_SUB, 150) |
||
139 | RELOC_NUMBER (R_MICROMIPS_HIGHER, 151) |
||
140 | RELOC_NUMBER (R_MICROMIPS_HIGHEST, 152) |
||
141 | RELOC_NUMBER (R_MICROMIPS_CALL_HI16, 153) |
||
142 | RELOC_NUMBER (R_MICROMIPS_CALL_LO16, 154) |
||
143 | RELOC_NUMBER (R_MICROMIPS_SCN_DISP, 155) |
||
144 | RELOC_NUMBER (R_MICROMIPS_JALR, 156) |
||
145 | RELOC_NUMBER (R_MICROMIPS_HI0_LO16, 157) |
||
146 | /* TLS relocations. */ |
||
147 | RELOC_NUMBER (R_MICROMIPS_TLS_GD, 162) |
||
148 | RELOC_NUMBER (R_MICROMIPS_TLS_LDM, 163) |
||
149 | RELOC_NUMBER (R_MICROMIPS_TLS_DTPREL_HI16, 164) |
||
150 | RELOC_NUMBER (R_MICROMIPS_TLS_DTPREL_LO16, 165) |
||
151 | RELOC_NUMBER (R_MICROMIPS_TLS_GOTTPREL, 166) |
||
152 | RELOC_NUMBER (R_MICROMIPS_TLS_TPREL_HI16, 169) |
||
153 | RELOC_NUMBER (R_MICROMIPS_TLS_TPREL_LO16, 170) |
||
154 | /* microMIPS GP- and PC-relative relocations. */ |
||
155 | RELOC_NUMBER (R_MICROMIPS_GPREL7_S2, 172) |
||
156 | RELOC_NUMBER (R_MICROMIPS_PC23_S2, 173) |
||
157 | FAKE_RELOC (R_MICROMIPS_max, 174) |
||
158 | |||
159 | /* This was a GNU extension used by embedded-PIC. It was co-opted by |
||
160 | mips-linux for exception-handling data. GCC stopped using it in |
||
161 | May, 2004, then started using it again for compact unwind tables. */ |
||
162 | RELOC_NUMBER (R_MIPS_PC32, 248) |
||
163 | RELOC_NUMBER (R_MIPS_EH, 249) |
||
164 | /* FIXME: this relocation is used internally by gas. */ |
||
165 | RELOC_NUMBER (R_MIPS_GNU_REL16_S2, 250) |
||
166 | /* These are GNU extensions to enable C++ vtable garbage collection. */ |
||
167 | RELOC_NUMBER (R_MIPS_GNU_VTINHERIT, 253) |
||
168 | RELOC_NUMBER (R_MIPS_GNU_VTENTRY, 254) |
||
169 | END_RELOC_NUMBERS (R_MIPS_maxext) |
||
170 | |||
171 | /* Processor specific flags for the ELF header e_flags field. */ |
||
172 | |||
173 | /* At least one .noreorder directive appears in the source. */ |
||
174 | #define EF_MIPS_NOREORDER 0x00000001 |
||
175 | |||
176 | /* File contains position independent code. */ |
||
177 | #define EF_MIPS_PIC 0x00000002 |
||
178 | |||
179 | /* Code in file uses the standard calling sequence for calling |
||
180 | position independent code. */ |
||
181 | #define EF_MIPS_CPIC 0x00000004 |
||
182 | |||
183 | /* ??? Unknown flag, set in IRIX 6's BSDdup2.o in libbsd.a. */ |
||
184 | #define EF_MIPS_XGOT 0x00000008 |
||
185 | |||
186 | /* Code in file uses UCODE (obsolete) */ |
||
187 | #define EF_MIPS_UCODE 0x00000010 |
||
188 | |||
189 | /* Code in file uses new ABI (-n32 on Irix 6). */ |
||
190 | #define EF_MIPS_ABI2 0x00000020 |
||
191 | |||
192 | /* Process the .MIPS.options section first by ld */ |
||
193 | #define EF_MIPS_OPTIONS_FIRST 0x00000080 |
||
194 | |||
195 | /* Indicates code compiled for a 64-bit machine in 32-bit mode |
||
196 | (regs are 32-bits wide). */ |
||
197 | #define EF_MIPS_32BITMODE 0x00000100 |
||
198 | |||
199 | /* 32-bit machine but FP registers are 64 bit (-mfp64). */ |
||
200 | #define EF_MIPS_FP64 0x00000200 |
||
201 | |||
202 | /* Code in file uses the IEEE 754-2008 NaN encoding convention. */ |
||
203 | #define EF_MIPS_NAN2008 0x00000400 |
||
204 | |||
205 | /* Architectural Extensions used by this file */ |
||
206 | #define EF_MIPS_ARCH_ASE 0x0f000000 |
||
207 | |||
208 | /* Use MDMX multimedia extensions */ |
||
209 | #define EF_MIPS_ARCH_ASE_MDMX 0x08000000 |
||
210 | |||
211 | /* Use MIPS-16 ISA extensions */ |
||
212 | #define EF_MIPS_ARCH_ASE_M16 0x04000000 |
||
213 | |||
214 | /* Use MICROMIPS ISA extensions. */ |
||
215 | #define EF_MIPS_ARCH_ASE_MICROMIPS 0x02000000 |
||
216 | |||
217 | /* Four bit MIPS architecture field. */ |
||
218 | #define EF_MIPS_ARCH 0xf0000000 |
||
219 | |||
220 | /* -mips1 code. */ |
||
221 | #define E_MIPS_ARCH_1 0x00000000 |
||
222 | |||
223 | /* -mips2 code. */ |
||
224 | #define E_MIPS_ARCH_2 0x10000000 |
||
225 | |||
226 | /* -mips3 code. */ |
||
227 | #define E_MIPS_ARCH_3 0x20000000 |
||
228 | |||
229 | /* -mips4 code. */ |
||
230 | #define E_MIPS_ARCH_4 0x30000000 |
||
231 | |||
232 | /* -mips5 code. */ |
||
233 | #define E_MIPS_ARCH_5 0x40000000 |
||
234 | |||
235 | /* -mips32 code. */ |
||
236 | #define E_MIPS_ARCH_32 0x50000000 |
||
237 | |||
238 | /* -mips64 code. */ |
||
239 | #define E_MIPS_ARCH_64 0x60000000 |
||
240 | |||
241 | /* -mips32r2 code. */ |
||
242 | #define E_MIPS_ARCH_32R2 0x70000000 |
||
243 | |||
244 | /* -mips64r2 code. */ |
||
245 | #define E_MIPS_ARCH_64R2 0x80000000 |
||
246 | |||
6324 | serge | 247 | /* -mips32r6 code. */ |
248 | #define E_MIPS_ARCH_32R6 0x90000000 |
||
249 | |||
250 | /* -mips64r6 code. */ |
||
251 | #define E_MIPS_ARCH_64R6 0xa0000000 |
||
252 | |||
5191 | serge | 253 | /* The ABI of the file. Also see EF_MIPS_ABI2 above. */ |
254 | #define EF_MIPS_ABI 0x0000F000 |
||
255 | |||
256 | /* The original o32 abi. */ |
||
257 | #define E_MIPS_ABI_O32 0x00001000 |
||
258 | |||
259 | /* O32 extended to work on 64 bit architectures */ |
||
260 | #define E_MIPS_ABI_O64 0x00002000 |
||
261 | |||
262 | /* EABI in 32 bit mode */ |
||
263 | #define E_MIPS_ABI_EABI32 0x00003000 |
||
264 | |||
265 | /* EABI in 64 bit mode */ |
||
266 | #define E_MIPS_ABI_EABI64 0x00004000 |
||
267 | |||
268 | |||
269 | /* Machine variant if we know it. This field was invented at Cygnus, |
||
270 | but it is hoped that other vendors will adopt it. If some standard |
||
271 | is developed, this code should be changed to follow it. */ |
||
272 | |||
273 | #define EF_MIPS_MACH 0x00FF0000 |
||
274 | |||
275 | /* Cygnus is choosing values between 80 and 9F; |
||
276 | 00 - 7F should be left for a future standard; |
||
277 | the rest are open. */ |
||
278 | |||
279 | #define E_MIPS_MACH_3900 0x00810000 |
||
280 | #define E_MIPS_MACH_4010 0x00820000 |
||
281 | #define E_MIPS_MACH_4100 0x00830000 |
||
282 | #define E_MIPS_MACH_4650 0x00850000 |
||
283 | #define E_MIPS_MACH_4120 0x00870000 |
||
284 | #define E_MIPS_MACH_4111 0x00880000 |
||
285 | #define E_MIPS_MACH_SB1 0x008a0000 |
||
286 | #define E_MIPS_MACH_OCTEON 0x008b0000 |
||
287 | #define E_MIPS_MACH_XLR 0x008c0000 |
||
288 | #define E_MIPS_MACH_OCTEON2 0x008d0000 |
||
6324 | serge | 289 | #define E_MIPS_MACH_OCTEON3 0x008e0000 |
5191 | serge | 290 | #define E_MIPS_MACH_5400 0x00910000 |
291 | #define E_MIPS_MACH_5900 0x00920000 |
||
292 | #define E_MIPS_MACH_5500 0x00980000 |
||
293 | #define E_MIPS_MACH_9000 0x00990000 |
||
294 | #define E_MIPS_MACH_LS2E 0x00A00000 |
||
295 | #define E_MIPS_MACH_LS2F 0x00A10000 |
||
296 | #define E_MIPS_MACH_LS3A 0x00A20000 |
||
297 | |||
298 | /* Processor specific section indices. These sections do not actually |
||
299 | exist. Symbols with a st_shndx field corresponding to one of these |
||
300 | values have a special meaning. */ |
||
301 | |||
302 | /* Defined and allocated common symbol. Value is virtual address. If |
||
303 | relocated, alignment must be preserved. */ |
||
304 | #define SHN_MIPS_ACOMMON SHN_LORESERVE |
||
305 | |||
306 | /* Defined and allocated text symbol. Value is virtual address. |
||
307 | Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables. */ |
||
308 | #define SHN_MIPS_TEXT (SHN_LORESERVE + 1) |
||
309 | |||
310 | /* Defined and allocated data symbol. Value is virtual address. |
||
311 | Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables. */ |
||
312 | #define SHN_MIPS_DATA (SHN_LORESERVE + 2) |
||
313 | |||
314 | /* Small common symbol. */ |
||
315 | #define SHN_MIPS_SCOMMON (SHN_LORESERVE + 3) |
||
316 | |||
317 | /* Small undefined symbol. */ |
||
318 | #define SHN_MIPS_SUNDEFINED (SHN_LORESERVE + 4) |
||
319 | |||
320 | /* Processor specific section types. */ |
||
321 | |||
322 | /* Section contains the set of dynamic shared objects used when |
||
323 | statically linking. */ |
||
324 | #define SHT_MIPS_LIBLIST 0x70000000 |
||
325 | |||
326 | /* I'm not sure what this is, but it's used on Irix 5. */ |
||
327 | #define SHT_MIPS_MSYM 0x70000001 |
||
328 | |||
329 | /* Section contains list of symbols whose definitions conflict with |
||
330 | symbols defined in shared objects. */ |
||
331 | #define SHT_MIPS_CONFLICT 0x70000002 |
||
332 | |||
333 | /* Section contains the global pointer table. */ |
||
334 | #define SHT_MIPS_GPTAB 0x70000003 |
||
335 | |||
336 | /* Section contains microcode information. The exact format is |
||
337 | unspecified. */ |
||
338 | #define SHT_MIPS_UCODE 0x70000004 |
||
339 | |||
340 | /* Section contains some sort of debugging information. The exact |
||
341 | format is unspecified. It's probably ECOFF symbols. */ |
||
342 | #define SHT_MIPS_DEBUG 0x70000005 |
||
343 | |||
344 | /* Section contains register usage information. */ |
||
345 | #define SHT_MIPS_REGINFO 0x70000006 |
||
346 | |||
347 | /* ??? */ |
||
348 | #define SHT_MIPS_PACKAGE 0x70000007 |
||
349 | |||
350 | /* ??? */ |
||
351 | #define SHT_MIPS_PACKSYM 0x70000008 |
||
352 | |||
353 | /* ??? */ |
||
354 | #define SHT_MIPS_RELD 0x70000009 |
||
355 | |||
356 | /* Section contains interface information. */ |
||
357 | #define SHT_MIPS_IFACE 0x7000000b |
||
358 | |||
359 | /* Section contains description of contents of another section. */ |
||
360 | #define SHT_MIPS_CONTENT 0x7000000c |
||
361 | |||
362 | /* Section contains miscellaneous options. */ |
||
363 | #define SHT_MIPS_OPTIONS 0x7000000d |
||
364 | |||
365 | /* ??? */ |
||
366 | #define SHT_MIPS_SHDR 0x70000010 |
||
367 | |||
368 | /* ??? */ |
||
369 | #define SHT_MIPS_FDESC 0x70000011 |
||
370 | |||
371 | /* ??? */ |
||
372 | #define SHT_MIPS_EXTSYM 0x70000012 |
||
373 | |||
374 | /* ??? */ |
||
375 | #define SHT_MIPS_DENSE 0x70000013 |
||
376 | |||
377 | /* ??? */ |
||
378 | #define SHT_MIPS_PDESC 0x70000014 |
||
379 | |||
380 | /* ??? */ |
||
381 | #define SHT_MIPS_LOCSYM 0x70000015 |
||
382 | |||
383 | /* ??? */ |
||
384 | #define SHT_MIPS_AUXSYM 0x70000016 |
||
385 | |||
386 | /* ??? */ |
||
387 | #define SHT_MIPS_OPTSYM 0x70000017 |
||
388 | |||
389 | /* ??? */ |
||
390 | #define SHT_MIPS_LOCSTR 0x70000018 |
||
391 | |||
392 | /* ??? */ |
||
393 | #define SHT_MIPS_LINE 0x70000019 |
||
394 | |||
395 | /* ??? */ |
||
396 | #define SHT_MIPS_RFDESC 0x7000001a |
||
397 | |||
398 | /* Delta C++: symbol table */ |
||
399 | #define SHT_MIPS_DELTASYM 0x7000001b |
||
400 | |||
401 | /* Delta C++: instance table */ |
||
402 | #define SHT_MIPS_DELTAINST 0x7000001c |
||
403 | |||
404 | /* Delta C++: class table */ |
||
405 | #define SHT_MIPS_DELTACLASS 0x7000001d |
||
406 | |||
407 | /* DWARF debugging section. */ |
||
408 | #define SHT_MIPS_DWARF 0x7000001e |
||
409 | |||
410 | /* Delta C++: declarations */ |
||
411 | #define SHT_MIPS_DELTADECL 0x7000001f |
||
412 | |||
413 | /* List of libraries the binary depends on. Includes a time stamp, version |
||
414 | number. */ |
||
415 | #define SHT_MIPS_SYMBOL_LIB 0x70000020 |
||
416 | |||
417 | /* Events section. */ |
||
418 | #define SHT_MIPS_EVENTS 0x70000021 |
||
419 | |||
420 | /* ??? */ |
||
421 | #define SHT_MIPS_TRANSLATE 0x70000022 |
||
422 | |||
423 | /* Special pixie sections */ |
||
424 | #define SHT_MIPS_PIXIE 0x70000023 |
||
425 | |||
426 | /* Address translation table (for debug info) */ |
||
427 | #define SHT_MIPS_XLATE 0x70000024 |
||
428 | |||
429 | /* SGI internal address translation table (for debug info) */ |
||
430 | #define SHT_MIPS_XLATE_DEBUG 0x70000025 |
||
431 | |||
432 | /* Intermediate code */ |
||
433 | #define SHT_MIPS_WHIRL 0x70000026 |
||
434 | |||
435 | /* C++ exception handling region info */ |
||
436 | #define SHT_MIPS_EH_REGION 0x70000027 |
||
437 | |||
438 | /* Obsolete address translation table (for debug info) */ |
||
439 | #define SHT_MIPS_XLATE_OLD 0x70000028 |
||
440 | |||
441 | /* Runtime procedure descriptor table exception information (ucode) ??? */ |
||
442 | #define SHT_MIPS_PDR_EXCEPTION 0x70000029 |
||
443 | |||
6324 | serge | 444 | /* ABI related flags section. */ |
445 | #define SHT_MIPS_ABIFLAGS 0x7000002a |
||
5191 | serge | 446 | |
447 | /* A section of type SHT_MIPS_LIBLIST contains an array of the |
||
448 | following structure. The sh_link field is the section index of the |
||
449 | string table. The sh_info field is the number of entries in the |
||
450 | section. */ |
||
451 | typedef struct |
||
452 | { |
||
453 | /* String table index for name of shared object. */ |
||
454 | unsigned long l_name; |
||
455 | /* Time stamp. */ |
||
456 | unsigned long l_time_stamp; |
||
457 | /* Checksum of symbol names and common sizes. */ |
||
458 | unsigned long l_checksum; |
||
459 | /* String table index for version. */ |
||
460 | unsigned long l_version; |
||
461 | /* Flags. */ |
||
462 | unsigned long l_flags; |
||
463 | } Elf32_Lib; |
||
464 | |||
465 | /* The external version of Elf32_Lib. */ |
||
466 | typedef struct |
||
467 | { |
||
468 | unsigned char l_name[4]; |
||
469 | unsigned char l_time_stamp[4]; |
||
470 | unsigned char l_checksum[4]; |
||
471 | unsigned char l_version[4]; |
||
472 | unsigned char l_flags[4]; |
||
473 | } Elf32_External_Lib; |
||
474 | |||
475 | /* The l_flags field of an Elf32_Lib structure may contain the |
||
476 | following flags. */ |
||
477 | |||
478 | /* Require an exact match at runtime. */ |
||
479 | #define LL_EXACT_MATCH 0x00000001 |
||
480 | |||
481 | /* Ignore version incompatibilities at runtime. */ |
||
482 | #define LL_IGNORE_INT_VER 0x00000002 |
||
483 | |||
484 | /* Require matching minor version number. */ |
||
485 | #define LL_REQUIRE_MINOR 0x00000004 |
||
486 | |||
487 | /* ??? */ |
||
488 | #define LL_EXPORTS 0x00000008 |
||
489 | |||
490 | /* Delay loading of this library until really needed. */ |
||
491 | #define LL_DELAY_LOAD 0x00000010 |
||
492 | |||
493 | /* ??? Delta C++ stuff ??? */ |
||
494 | #define LL_DELTA 0x00000020 |
||
495 | |||
496 | |||
497 | /* A section of type SHT_MIPS_CONFLICT is an array of indices into the |
||
498 | .dynsym section. Each element has the following type. */ |
||
499 | typedef unsigned long Elf32_Conflict; |
||
500 | typedef unsigned char Elf32_External_Conflict[4]; |
||
501 | |||
502 | typedef unsigned long Elf64_Conflict; |
||
503 | typedef unsigned char Elf64_External_Conflict[8]; |
||
504 | |||
505 | /* A section of type SHT_MIPS_GPTAB contains information about how |
||
506 | much GP space would be required for different -G arguments. This |
||
507 | information is only used so that the linker can provide informative |
||
508 | suggestions as to the best -G value to use. The sh_info field is |
||
509 | the index of the section for which this information applies. The |
||
510 | contents of the section are an array of the following union. The |
||
511 | first element uses the gt_header field. The remaining elements use |
||
512 | the gt_entry field. */ |
||
513 | typedef union |
||
514 | { |
||
515 | struct |
||
516 | { |
||
517 | /* -G value actually used for this object file. */ |
||
518 | unsigned long gt_current_g_value; |
||
519 | /* Unused. */ |
||
520 | unsigned long gt_unused; |
||
521 | } gt_header; |
||
522 | struct |
||
523 | { |
||
524 | /* If this -G argument has been used... */ |
||
525 | unsigned long gt_g_value; |
||
526 | /* ...this many GP section bytes would be required. */ |
||
527 | unsigned long gt_bytes; |
||
528 | } gt_entry; |
||
529 | } Elf32_gptab; |
||
530 | |||
531 | /* The external version of Elf32_gptab. */ |
||
532 | |||
533 | typedef union |
||
534 | { |
||
535 | struct |
||
536 | { |
||
537 | unsigned char gt_current_g_value[4]; |
||
538 | unsigned char gt_unused[4]; |
||
539 | } gt_header; |
||
540 | struct |
||
541 | { |
||
542 | unsigned char gt_g_value[4]; |
||
543 | unsigned char gt_bytes[4]; |
||
544 | } gt_entry; |
||
545 | } Elf32_External_gptab; |
||
546 | |||
547 | /* A section of type SHT_MIPS_REGINFO contains the following |
||
548 | structure. */ |
||
549 | typedef struct |
||
550 | { |
||
551 | /* Mask of general purpose registers used. */ |
||
552 | unsigned long ri_gprmask; |
||
553 | /* Mask of co-processor registers used. */ |
||
554 | unsigned long ri_cprmask[4]; |
||
555 | /* GP register value for this object file. */ |
||
556 | long ri_gp_value; |
||
557 | } Elf32_RegInfo; |
||
558 | |||
559 | /* The external version of the Elf_RegInfo structure. */ |
||
560 | typedef struct |
||
561 | { |
||
562 | unsigned char ri_gprmask[4]; |
||
563 | unsigned char ri_cprmask[4][4]; |
||
564 | unsigned char ri_gp_value[4]; |
||
565 | } Elf32_External_RegInfo; |
||
566 | |||
567 | /* MIPS ELF .reginfo swapping routines. */ |
||
568 | extern void bfd_mips_elf32_swap_reginfo_in |
||
569 | (bfd *, const Elf32_External_RegInfo *, Elf32_RegInfo *); |
||
570 | extern void bfd_mips_elf32_swap_reginfo_out |
||
571 | (bfd *, const Elf32_RegInfo *, Elf32_External_RegInfo *); |
||
572 | |||
573 | /* Processor specific section flags. */ |
||
574 | |||
575 | /* This section must be in the global data area. */ |
||
576 | #define SHF_MIPS_GPREL 0x10000000 |
||
577 | |||
578 | /* This section should be merged. */ |
||
579 | #define SHF_MIPS_MERGE 0x20000000 |
||
580 | |||
581 | /* This section contains address data of size implied by section |
||
582 | element size. */ |
||
583 | #define SHF_MIPS_ADDR 0x40000000 |
||
584 | |||
585 | /* This section contains string data. */ |
||
586 | #define SHF_MIPS_STRING 0x80000000 |
||
587 | |||
588 | /* This section may not be stripped. */ |
||
589 | #define SHF_MIPS_NOSTRIP 0x08000000 |
||
590 | |||
591 | /* This section is local to threads. */ |
||
592 | #define SHF_MIPS_LOCAL 0x04000000 |
||
593 | |||
594 | /* Linker should generate implicit weak names for this section. */ |
||
595 | #define SHF_MIPS_NAMES 0x02000000 |
||
596 | |||
597 | /* Section contais text/data which may be replicated in other sections. |
||
598 | Linker should retain only one copy. */ |
||
599 | #define SHF_MIPS_NODUPES 0x01000000 |
||
600 | |||
601 | /* Processor specific program header types. */ |
||
602 | |||
603 | /* Register usage information. Identifies one .reginfo section. */ |
||
604 | #define PT_MIPS_REGINFO 0x70000000 |
||
605 | |||
606 | /* Runtime procedure table. */ |
||
607 | #define PT_MIPS_RTPROC 0x70000001 |
||
608 | |||
609 | /* .MIPS.options section. */ |
||
610 | #define PT_MIPS_OPTIONS 0x70000002 |
||
6324 | serge | 611 | |
612 | /* Records ABI related flags. */ |
||
613 | #define PT_MIPS_ABIFLAGS 0x70000003 |
||
5191 | serge | 614 | |
615 | /* Processor specific dynamic array tags. */ |
||
616 | |||
617 | /* 32 bit version number for runtime linker interface. */ |
||
618 | #define DT_MIPS_RLD_VERSION 0x70000001 |
||
619 | |||
620 | /* Time stamp. */ |
||
621 | #define DT_MIPS_TIME_STAMP 0x70000002 |
||
622 | |||
623 | /* Checksum of external strings and common sizes. */ |
||
624 | #define DT_MIPS_ICHECKSUM 0x70000003 |
||
625 | |||
626 | /* Index of version string in string table. */ |
||
627 | #define DT_MIPS_IVERSION 0x70000004 |
||
628 | |||
629 | /* 32 bits of flags. */ |
||
630 | #define DT_MIPS_FLAGS 0x70000005 |
||
631 | |||
632 | /* Base address of the segment. */ |
||
633 | #define DT_MIPS_BASE_ADDRESS 0x70000006 |
||
634 | |||
635 | /* ??? */ |
||
636 | #define DT_MIPS_MSYM 0x70000007 |
||
637 | |||
638 | /* Address of .conflict section. */ |
||
639 | #define DT_MIPS_CONFLICT 0x70000008 |
||
640 | |||
641 | /* Address of .liblist section. */ |
||
642 | #define DT_MIPS_LIBLIST 0x70000009 |
||
643 | |||
644 | /* Number of local global offset table entries. */ |
||
645 | #define DT_MIPS_LOCAL_GOTNO 0x7000000a |
||
646 | |||
647 | /* Number of entries in the .conflict section. */ |
||
648 | #define DT_MIPS_CONFLICTNO 0x7000000b |
||
649 | |||
650 | /* Number of entries in the .liblist section. */ |
||
651 | #define DT_MIPS_LIBLISTNO 0x70000010 |
||
652 | |||
653 | /* Number of entries in the .dynsym section. */ |
||
654 | #define DT_MIPS_SYMTABNO 0x70000011 |
||
655 | |||
656 | /* Index of first external dynamic symbol not referenced locally. */ |
||
657 | #define DT_MIPS_UNREFEXTNO 0x70000012 |
||
658 | |||
659 | /* Index of first dynamic symbol in global offset table. */ |
||
660 | #define DT_MIPS_GOTSYM 0x70000013 |
||
661 | |||
662 | /* Number of page table entries in global offset table. */ |
||
663 | #define DT_MIPS_HIPAGENO 0x70000014 |
||
664 | |||
665 | /* Address of run time loader map, used for debugging. */ |
||
666 | #define DT_MIPS_RLD_MAP 0x70000016 |
||
667 | |||
668 | /* Delta C++ class definition. */ |
||
669 | #define DT_MIPS_DELTA_CLASS 0x70000017 |
||
670 | |||
671 | /* Number of entries in DT_MIPS_DELTA_CLASS. */ |
||
672 | #define DT_MIPS_DELTA_CLASS_NO 0x70000018 |
||
673 | |||
674 | /* Delta C++ class instances. */ |
||
675 | #define DT_MIPS_DELTA_INSTANCE 0x70000019 |
||
676 | |||
677 | /* Number of entries in DT_MIPS_DELTA_INSTANCE. */ |
||
678 | #define DT_MIPS_DELTA_INSTANCE_NO 0x7000001a |
||
679 | |||
680 | /* Delta relocations. */ |
||
681 | #define DT_MIPS_DELTA_RELOC 0x7000001b |
||
682 | |||
683 | /* Number of entries in DT_MIPS_DELTA_RELOC. */ |
||
684 | #define DT_MIPS_DELTA_RELOC_NO 0x7000001c |
||
685 | |||
686 | /* Delta symbols that Delta relocations refer to. */ |
||
687 | #define DT_MIPS_DELTA_SYM 0x7000001d |
||
688 | |||
689 | /* Number of entries in DT_MIPS_DELTA_SYM. */ |
||
690 | #define DT_MIPS_DELTA_SYM_NO 0x7000001e |
||
691 | |||
692 | /* Delta symbols that hold class declarations. */ |
||
693 | #define DT_MIPS_DELTA_CLASSSYM 0x70000020 |
||
694 | |||
695 | /* Number of entries in DT_MIPS_DELTA_CLASSSYM. */ |
||
696 | #define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021 |
||
697 | |||
698 | /* Flags indicating information about C++ flavor. */ |
||
699 | #define DT_MIPS_CXX_FLAGS 0x70000022 |
||
700 | |||
701 | /* Pixie information (???). */ |
||
702 | #define DT_MIPS_PIXIE_INIT 0x70000023 |
||
703 | |||
704 | /* Address of .MIPS.symlib */ |
||
705 | #define DT_MIPS_SYMBOL_LIB 0x70000024 |
||
706 | |||
707 | /* The GOT index of the first PTE for a segment */ |
||
708 | #define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025 |
||
709 | |||
710 | /* The GOT index of the first PTE for a local symbol */ |
||
711 | #define DT_MIPS_LOCAL_GOTIDX 0x70000026 |
||
712 | |||
713 | /* The GOT index of the first PTE for a hidden symbol */ |
||
714 | #define DT_MIPS_HIDDEN_GOTIDX 0x70000027 |
||
715 | |||
716 | /* The GOT index of the first PTE for a protected symbol */ |
||
717 | #define DT_MIPS_PROTECTED_GOTIDX 0x70000028 |
||
718 | |||
719 | /* Address of `.MIPS.options'. */ |
||
720 | #define DT_MIPS_OPTIONS 0x70000029 |
||
721 | |||
722 | /* Address of `.interface'. */ |
||
723 | #define DT_MIPS_INTERFACE 0x7000002a |
||
724 | |||
725 | /* ??? */ |
||
726 | #define DT_MIPS_DYNSTR_ALIGN 0x7000002b |
||
727 | |||
728 | /* Size of the .interface section. */ |
||
729 | #define DT_MIPS_INTERFACE_SIZE 0x7000002c |
||
730 | |||
731 | /* Size of rld_text_resolve function stored in the GOT. */ |
||
732 | #define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002d |
||
733 | |||
734 | /* Default suffix of DSO to be added by rld on dlopen() calls. */ |
||
735 | #define DT_MIPS_PERF_SUFFIX 0x7000002e |
||
736 | |||
737 | /* Size of compact relocation section (O32). */ |
||
738 | #define DT_MIPS_COMPACT_SIZE 0x7000002f |
||
739 | |||
740 | /* GP value for auxiliary GOTs. */ |
||
741 | #define DT_MIPS_GP_VALUE 0x70000030 |
||
742 | |||
743 | /* Address of auxiliary .dynamic. */ |
||
744 | #define DT_MIPS_AUX_DYNAMIC 0x70000031 |
||
745 | |||
746 | /* Address of the base of the PLTGOT. */ |
||
747 | #define DT_MIPS_PLTGOT 0x70000032 |
||
748 | |||
749 | /* Points to the base of a writable PLT. */ |
||
750 | #define DT_MIPS_RWPLT 0x70000034 |
||
6324 | serge | 751 | |
752 | /* Relative offset of run time loader map, used for debugging. */ |
||
753 | #define DT_MIPS_RLD_MAP_REL 0x70000035 |
||
5191 | serge | 754 | |
755 | /* Flags which may appear in a DT_MIPS_FLAGS entry. */ |
||
756 | |||
757 | /* No flags. */ |
||
758 | #define RHF_NONE 0x00000000 |
||
759 | |||
760 | /* Uses shortcut pointers. */ |
||
761 | #define RHF_QUICKSTART 0x00000001 |
||
762 | |||
763 | /* Hash size is not a power of two. */ |
||
764 | #define RHF_NOTPOT 0x00000002 |
||
765 | |||
766 | /* Ignore LD_LIBRARY_PATH. */ |
||
767 | #define RHS_NO_LIBRARY_REPLACEMENT 0x00000004 |
||
768 | |||
769 | /* DSO address may not be relocated. */ |
||
770 | #define RHF_NO_MOVE 0x00000008 |
||
771 | |||
772 | /* SGI specific features. */ |
||
773 | #define RHF_SGI_ONLY 0x00000010 |
||
774 | |||
775 | /* Guarantee that .init will finish executing before any non-init |
||
776 | code in DSO is called. */ |
||
777 | #define RHF_GUARANTEE_INIT 0x00000020 |
||
778 | |||
779 | /* Contains Delta C++ code. */ |
||
780 | #define RHF_DELTA_C_PLUS_PLUS 0x00000040 |
||
781 | |||
782 | /* Guarantee that .init will start executing before any non-init |
||
783 | code in DSO is called. */ |
||
784 | #define RHF_GUARANTEE_START_INIT 0x00000080 |
||
785 | |||
786 | /* Generated by pixie. */ |
||
787 | #define RHF_PIXIE 0x00000100 |
||
788 | |||
789 | /* Delay-load DSO by default. */ |
||
790 | #define RHF_DEFAULT_DELAY_LOAD 0x00000200 |
||
791 | |||
792 | /* Object may be requickstarted */ |
||
793 | #define RHF_REQUICKSTART 0x00000400 |
||
794 | |||
795 | /* Object has been requickstarted */ |
||
796 | #define RHF_REQUICKSTARTED 0x00000800 |
||
797 | |||
798 | /* Generated by cord. */ |
||
799 | #define RHF_CORD 0x00001000 |
||
800 | |||
801 | /* Object contains no unresolved undef symbols. */ |
||
802 | #define RHF_NO_UNRES_UNDEF 0x00002000 |
||
803 | |||
804 | /* Symbol table is in a safe order. */ |
||
805 | #define RHF_RLD_ORDER_SAFE 0x00004000 |
||
806 | |||
807 | /* Special values for the st_other field in the symbol table. These |
||
808 | are used in an Irix 5 dynamic symbol table. */ |
||
809 | |||
810 | #define STO_DEFAULT STV_DEFAULT |
||
811 | #define STO_INTERNAL STV_INTERNAL |
||
812 | #define STO_HIDDEN STV_HIDDEN |
||
813 | #define STO_PROTECTED STV_PROTECTED |
||
814 | |||
815 | /* Two topmost bits denote the MIPS ISA for .text symbols: |
||
816 | + 00 -- standard MIPS code, |
||
817 | + 10 -- microMIPS code, |
||
818 | + 11 -- MIPS16 code; requires the following two bits to be set too. |
||
819 | Note that one of the MIPS16 bits overlaps with STO_MIPS_PIC. See below |
||
820 | for details. */ |
||
821 | #define STO_MIPS_ISA (3 << 6) |
||
822 | |||
823 | /* The mask spanning the rest of MIPS psABI flags. At most one is expected |
||
824 | to be set except for STO_MIPS16. */ |
||
825 | #define STO_MIPS_FLAGS (~(STO_MIPS_ISA | ELF_ST_VISIBILITY (-1))) |
||
826 | |||
827 | /* The MIPS psABI was updated in 2008 with support for PLTs and copy |
||
828 | relocs. There are therefore two types of nonzero SHN_UNDEF functions: |
||
829 | PLT entries and traditional MIPS lazy binding stubs. We mark the former |
||
830 | with STO_MIPS_PLT to distinguish them from the latter. */ |
||
831 | #define STO_MIPS_PLT 0x8 |
||
832 | #define ELF_ST_IS_MIPS_PLT(other) \ |
||
833 | ((ELF_ST_IS_MIPS16 (other) \ |
||
834 | ? ((other) & (~STO_MIPS16 & STO_MIPS_FLAGS)) \ |
||
835 | : ((other) & STO_MIPS_FLAGS)) == STO_MIPS_PLT) |
||
836 | #define ELF_ST_SET_MIPS_PLT(other) \ |
||
837 | ((ELF_ST_IS_MIPS16 (other) \ |
||
838 | ? ((other) & (STO_MIPS16 | ~STO_MIPS_FLAGS)) \ |
||
839 | : ((other) & ~STO_MIPS_FLAGS)) | STO_MIPS_PLT) |
||
840 | |||
841 | /* This value is used to mark PIC functions in an object that mixes |
||
842 | PIC and non-PIC. Note that this bit overlaps with STO_MIPS16, |
||
843 | although MIPS16 symbols are never considered to be MIPS_PIC. */ |
||
844 | #define STO_MIPS_PIC 0x20 |
||
845 | #define ELF_ST_IS_MIPS_PIC(other) (((other) & STO_MIPS_FLAGS) == STO_MIPS_PIC) |
||
846 | #define ELF_ST_SET_MIPS_PIC(other) \ |
||
847 | ((ELF_ST_IS_MIPS16 (other) \ |
||
848 | ? ((other) & ~(STO_MIPS16 | STO_MIPS_FLAGS)) \ |
||
849 | : ((other) & ~STO_MIPS_FLAGS)) | STO_MIPS_PIC) |
||
850 | |||
851 | /* This value is used for a mips16 .text symbol. */ |
||
852 | #define STO_MIPS16 0xf0 |
||
853 | #define ELF_ST_IS_MIPS16(other) (((other) & STO_MIPS16) == STO_MIPS16) |
||
854 | #define ELF_ST_SET_MIPS16(other) ((other) | STO_MIPS16) |
||
855 | |||
856 | /* This value is used for a microMIPS .text symbol. To distinguish from |
||
857 | STO_MIPS16, we set top two bits to be 10 to denote STO_MICROMIPS. The |
||
858 | mask is STO_MIPS_ISA. */ |
||
859 | #define STO_MICROMIPS (2 << 6) |
||
860 | #define ELF_ST_IS_MICROMIPS(other) (((other) & STO_MIPS_ISA) == STO_MICROMIPS) |
||
861 | #define ELF_ST_SET_MICROMIPS(other) (((other) & ~STO_MIPS_ISA) | STO_MICROMIPS) |
||
862 | |||
863 | /* Whether code compression (either of the MIPS16 or the microMIPS ASEs) |
||
864 | has been indicated for a .text symbol. */ |
||
865 | #define ELF_ST_IS_COMPRESSED(other) \ |
||
866 | (ELF_ST_IS_MIPS16 (other) || ELF_ST_IS_MICROMIPS (other)) |
||
867 | |||
868 | /* This bit is used on Irix to indicate a symbol whose definition |
||
869 | is optional - if, at final link time, it cannot be found, no |
||
870 | error message should be produced. */ |
||
871 | #define STO_OPTIONAL (1 << 2) |
||
872 | /* A macro to examine the STO_OPTIONAL bit. */ |
||
873 | #define ELF_MIPS_IS_OPTIONAL(other) ((other) & STO_OPTIONAL) |
||
874 | |||
875 | /* The 64-bit MIPS ELF ABI uses an unusual reloc format. Each |
||
876 | relocation entry specifies up to three actual relocations, all at |
||
877 | the same address. The first relocation which required a symbol |
||
878 | uses the symbol in the r_sym field. The second relocation which |
||
879 | requires a symbol uses the symbol in the r_ssym field. If all |
||
880 | three relocations require a symbol, the third one uses a zero |
||
881 | value. */ |
||
882 | |||
883 | /* An entry in a 64 bit SHT_REL section. */ |
||
884 | |||
885 | typedef struct |
||
886 | { |
||
887 | /* Address of relocation. */ |
||
888 | unsigned char r_offset[8]; |
||
889 | /* Symbol index. */ |
||
890 | unsigned char r_sym[4]; |
||
891 | /* Special symbol. */ |
||
892 | unsigned char r_ssym[1]; |
||
893 | /* Third relocation. */ |
||
894 | unsigned char r_type3[1]; |
||
895 | /* Second relocation. */ |
||
896 | unsigned char r_type2[1]; |
||
897 | /* First relocation. */ |
||
898 | unsigned char r_type[1]; |
||
899 | } Elf64_Mips_External_Rel; |
||
900 | |||
901 | typedef struct |
||
902 | { |
||
903 | /* Address of relocation. */ |
||
904 | bfd_vma r_offset; |
||
905 | /* Symbol index. */ |
||
906 | unsigned long r_sym; |
||
907 | /* Special symbol. */ |
||
908 | unsigned char r_ssym; |
||
909 | /* Third relocation. */ |
||
910 | unsigned char r_type3; |
||
911 | /* Second relocation. */ |
||
912 | unsigned char r_type2; |
||
913 | /* First relocation. */ |
||
914 | unsigned char r_type; |
||
915 | } Elf64_Mips_Internal_Rel; |
||
916 | |||
917 | /* An entry in a 64 bit SHT_RELA section. */ |
||
918 | |||
919 | typedef struct |
||
920 | { |
||
921 | /* Address of relocation. */ |
||
922 | unsigned char r_offset[8]; |
||
923 | /* Symbol index. */ |
||
924 | unsigned char r_sym[4]; |
||
925 | /* Special symbol. */ |
||
926 | unsigned char r_ssym[1]; |
||
927 | /* Third relocation. */ |
||
928 | unsigned char r_type3[1]; |
||
929 | /* Second relocation. */ |
||
930 | unsigned char r_type2[1]; |
||
931 | /* First relocation. */ |
||
932 | unsigned char r_type[1]; |
||
933 | /* Addend. */ |
||
934 | unsigned char r_addend[8]; |
||
935 | } Elf64_Mips_External_Rela; |
||
936 | |||
937 | typedef struct |
||
938 | { |
||
939 | /* Address of relocation. */ |
||
940 | bfd_vma r_offset; |
||
941 | /* Symbol index. */ |
||
942 | unsigned long r_sym; |
||
943 | /* Special symbol. */ |
||
944 | unsigned char r_ssym; |
||
945 | /* Third relocation. */ |
||
946 | unsigned char r_type3; |
||
947 | /* Second relocation. */ |
||
948 | unsigned char r_type2; |
||
949 | /* First relocation. */ |
||
950 | unsigned char r_type; |
||
951 | /* Addend. */ |
||
952 | bfd_signed_vma r_addend; |
||
953 | } Elf64_Mips_Internal_Rela; |
||
954 | |||
955 | /* MIPS ELF 64 relocation info access macros. */ |
||
956 | #define ELF64_MIPS_R_SSYM(i) (((i) >> 24) & 0xff) |
||
957 | #define ELF64_MIPS_R_TYPE3(i) (((i) >> 16) & 0xff) |
||
958 | #define ELF64_MIPS_R_TYPE2(i) (((i) >> 8) & 0xff) |
||
959 | #define ELF64_MIPS_R_TYPE(i) ((i) & 0xff) |
||
960 | |||
961 | /* Values found in the r_ssym field of a relocation entry. */ |
||
962 | |||
963 | /* No relocation. */ |
||
964 | #define RSS_UNDEF 0 |
||
965 | |||
966 | /* Value of GP. */ |
||
967 | #define RSS_GP 1 |
||
968 | |||
969 | /* Value of GP in object being relocated. */ |
||
970 | #define RSS_GP0 2 |
||
971 | |||
972 | /* Address of location being relocated. */ |
||
973 | #define RSS_LOC 3 |
||
974 | |||
975 | /* A SHT_MIPS_OPTIONS section contains a series of options, each of |
||
976 | which starts with this header. */ |
||
977 | |||
978 | typedef struct |
||
979 | { |
||
980 | /* Type of option. */ |
||
981 | unsigned char kind[1]; |
||
982 | /* Size of option descriptor, including header. */ |
||
983 | unsigned char size[1]; |
||
984 | /* Section index of affected section, or 0 for global option. */ |
||
985 | unsigned char section[2]; |
||
986 | /* Information specific to this kind of option. */ |
||
987 | unsigned char info[4]; |
||
988 | } Elf_External_Options; |
||
989 | |||
990 | typedef struct |
||
991 | { |
||
992 | /* Type of option. */ |
||
993 | unsigned char kind; |
||
994 | /* Size of option descriptor, including header. */ |
||
995 | unsigned char size; |
||
996 | /* Section index of affected section, or 0 for global option. */ |
||
997 | unsigned short section; |
||
998 | /* Information specific to this kind of option. */ |
||
999 | unsigned long info; |
||
1000 | } Elf_Internal_Options; |
||
1001 | |||
1002 | /* MIPS ELF option header swapping routines. */ |
||
1003 | extern void bfd_mips_elf_swap_options_in |
||
1004 | (bfd *, const Elf_External_Options *, Elf_Internal_Options *); |
||
1005 | extern void bfd_mips_elf_swap_options_out |
||
1006 | (bfd *, const Elf_Internal_Options *, Elf_External_Options *); |
||
1007 | |||
1008 | /* Values which may appear in the kind field of an Elf_Options |
||
1009 | structure. */ |
||
1010 | |||
1011 | /* Undefined. */ |
||
1012 | #define ODK_NULL 0 |
||
1013 | |||
1014 | /* Register usage and GP value. */ |
||
1015 | #define ODK_REGINFO 1 |
||
1016 | |||
1017 | /* Exception processing information. */ |
||
1018 | #define ODK_EXCEPTIONS 2 |
||
1019 | |||
1020 | /* Section padding information. */ |
||
1021 | #define ODK_PAD 3 |
||
1022 | |||
1023 | /* Hardware workarounds performed. */ |
||
1024 | #define ODK_HWPATCH 4 |
||
1025 | |||
1026 | /* Fill value used by the linker. */ |
||
1027 | #define ODK_FILL 5 |
||
1028 | |||
1029 | /* Reserved space for desktop tools. */ |
||
1030 | #define ODK_TAGS 6 |
||
1031 | |||
1032 | /* Hardware workarounds, AND bits when merging. */ |
||
1033 | #define ODK_HWAND 7 |
||
1034 | |||
1035 | /* Hardware workarounds, OR bits when merging. */ |
||
1036 | #define ODK_HWOR 8 |
||
1037 | |||
1038 | /* GP group to use for text/data sections. */ |
||
1039 | #define ODK_GP_GROUP 9 |
||
1040 | |||
1041 | /* ID information. */ |
||
1042 | #define ODK_IDENT 10 |
||
1043 | |||
1044 | /* In the 32 bit ABI, an ODK_REGINFO option is just a Elf32_RegInfo |
||
1045 | structure. In the 64 bit ABI, it is the following structure. The |
||
1046 | info field of the options header is not used. */ |
||
1047 | |||
1048 | typedef struct |
||
1049 | { |
||
1050 | /* Mask of general purpose registers used. */ |
||
1051 | unsigned char ri_gprmask[4]; |
||
1052 | /* Padding. */ |
||
1053 | unsigned char ri_pad[4]; |
||
1054 | /* Mask of co-processor registers used. */ |
||
1055 | unsigned char ri_cprmask[4][4]; |
||
1056 | /* GP register value for this object file. */ |
||
1057 | unsigned char ri_gp_value[8]; |
||
1058 | } Elf64_External_RegInfo; |
||
1059 | |||
1060 | typedef struct |
||
1061 | { |
||
1062 | /* Mask of general purpose registers used. */ |
||
1063 | unsigned long ri_gprmask; |
||
1064 | /* Padding. */ |
||
1065 | unsigned long ri_pad; |
||
1066 | /* Mask of co-processor registers used. */ |
||
1067 | unsigned long ri_cprmask[4]; |
||
1068 | /* GP register value for this object file. */ |
||
1069 | bfd_vma ri_gp_value; |
||
1070 | } Elf64_Internal_RegInfo; |
||
1071 | |||
6324 | serge | 1072 | /* ABI Flags structure version 0. */ |
1073 | |||
5191 | serge | 1074 | typedef struct |
1075 | { |
||
6324 | serge | 1076 | /* Version of flags structure. */ |
1077 | unsigned char version[2]; |
||
1078 | /* The level of the ISA: 1-5, 32, 64. */ |
||
1079 | unsigned char isa_level[1]; |
||
1080 | /* The revision of ISA: 0 for MIPS V and below, 1-n otherwise. */ |
||
1081 | unsigned char isa_rev[1]; |
||
1082 | /* The size of general purpose registers. */ |
||
1083 | unsigned char gpr_size[1]; |
||
1084 | /* The size of co-processor 1 registers. */ |
||
1085 | unsigned char cpr1_size[1]; |
||
1086 | /* The size of co-processor 2 registers. */ |
||
1087 | unsigned char cpr2_size[1]; |
||
1088 | /* The floating-point ABI. */ |
||
1089 | unsigned char fp_abi[1]; |
||
1090 | /* Processor-specific extension. */ |
||
1091 | unsigned char isa_ext[4]; |
||
1092 | /* Mask of ASEs used. */ |
||
1093 | unsigned char ases[4]; |
||
1094 | /* Mask of general flags. */ |
||
1095 | unsigned char flags1[4]; |
||
1096 | unsigned char flags2[4]; |
||
1097 | } Elf_External_ABIFlags_v0; |
||
1098 | |||
1099 | typedef struct |
||
1100 | { |
||
1101 | /* Version of flags structure. */ |
||
1102 | unsigned short version; |
||
1103 | /* The level of the ISA: 1-5, 32, 64. */ |
||
1104 | unsigned char isa_level; |
||
1105 | /* The revision of ISA: 0 for MIPS V and below, 1-n otherwise. */ |
||
1106 | unsigned char isa_rev; |
||
1107 | /* The size of general purpose registers. */ |
||
1108 | unsigned char gpr_size; |
||
1109 | /* The size of co-processor 1 registers. */ |
||
1110 | unsigned char cpr1_size; |
||
1111 | /* The size of co-processor 2 registers. */ |
||
1112 | unsigned char cpr2_size; |
||
1113 | /* The floating-point ABI. */ |
||
1114 | unsigned char fp_abi; |
||
1115 | /* Processor-specific extension. */ |
||
1116 | unsigned long isa_ext; |
||
1117 | /* Mask of ASEs used. */ |
||
1118 | unsigned long ases; |
||
1119 | /* Mask of general flags. */ |
||
1120 | unsigned long flags1; |
||
1121 | unsigned long flags2; |
||
1122 | } Elf_Internal_ABIFlags_v0; |
||
1123 | |||
1124 | typedef struct |
||
1125 | { |
||
5191 | serge | 1126 | /* The hash value computed from the name of the corresponding |
1127 | dynamic symbol. */ |
||
1128 | unsigned char ms_hash_value[4]; |
||
1129 | /* Contains both the dynamic relocation index and the symbol flags |
||
1130 | field. The macros ELF32_MS_REL_INDEX and ELF32_MS_FLAGS are used |
||
1131 | to access the individual values. The dynamic relocation index |
||
1132 | identifies the first entry in the .rel.dyn section that |
||
1133 | references the dynamic symbol corresponding to this msym entry. |
||
1134 | If the index is 0, no dynamic relocations are associated with the |
||
1135 | symbol. The symbol flags field is reserved for future use. */ |
||
1136 | unsigned char ms_info[4]; |
||
1137 | } Elf32_External_Msym; |
||
1138 | |||
1139 | typedef struct |
||
1140 | { |
||
1141 | /* The hash value computed from the name of the corresponding |
||
1142 | dynamic symbol. */ |
||
1143 | unsigned long ms_hash_value; |
||
1144 | /* Contains both the dynamic relocation index and the symbol flags |
||
1145 | field. The macros ELF32_MS_REL_INDEX and ELF32_MS_FLAGS are used |
||
1146 | to access the individual values. The dynamic relocation index |
||
1147 | identifies the first entry in the .rel.dyn section that |
||
1148 | references the dynamic symbol corresponding to this msym entry. |
||
1149 | If the index is 0, no dynamic relocations are associated with the |
||
1150 | symbol. The symbol flags field is reserved for future use. */ |
||
1151 | unsigned long ms_info; |
||
1152 | } Elf32_Internal_Msym; |
||
1153 | |||
1154 | #define ELF32_MS_REL_INDEX(i) ((i) >> 8) |
||
1155 | #define ELF32_MS_FLAGS(i) (i) & 0xff) |
||
1156 | #define ELF32_MS_INFO(r, f) (((r) << 8) + ((f) & 0xff)) |
||
1157 | |||
1158 | /* MIPS ELF reginfo swapping routines. */ |
||
1159 | extern void bfd_mips_elf64_swap_reginfo_in |
||
1160 | (bfd *, const Elf64_External_RegInfo *, Elf64_Internal_RegInfo *); |
||
1161 | extern void bfd_mips_elf64_swap_reginfo_out |
||
1162 | (bfd *, const Elf64_Internal_RegInfo *, Elf64_External_RegInfo *); |
||
1163 | |||
6324 | serge | 1164 | /* MIPS ELF flags swapping routines. */ |
1165 | extern void bfd_mips_elf_swap_abiflags_v0_in |
||
1166 | (bfd *, const Elf_External_ABIFlags_v0 *, Elf_Internal_ABIFlags_v0 *); |
||
1167 | extern void bfd_mips_elf_swap_abiflags_v0_out |
||
1168 | (bfd *, const Elf_Internal_ABIFlags_v0 *, Elf_External_ABIFlags_v0 *); |
||
1169 | |||
5191 | serge | 1170 | /* Masks for the info work of an ODK_EXCEPTIONS descriptor. */ |
1171 | #define OEX_FPU_MIN 0x1f /* FPEs which must be enabled. */ |
||
1172 | #define OEX_FPU_MAX 0x1f00 /* FPEs which may be enabled. */ |
||
1173 | #define OEX_PAGE0 0x10000 /* Page zero must be mapped. */ |
||
1174 | #define OEX_SMM 0x20000 /* Force sequential memory mode. */ |
||
1175 | #define OEX_FPDBUG 0x40000 /* Force precise floating-point |
||
1176 | exceptions (debug mode). */ |
||
1177 | #define OEX_DISMISS 0x80000 /* Dismiss invalid address faults. */ |
||
1178 | |||
1179 | /* Masks of the FP exceptions for OEX_FPU_MIN and OEX_FPU_MAX. */ |
||
1180 | #define OEX_FPU_INVAL 0x10 /* Invalid operation exception. */ |
||
1181 | #define OEX_FPU_DIV0 0x08 /* Division by zero exception. */ |
||
1182 | #define OEX_FPU_OFLO 0x04 /* Overflow exception. */ |
||
1183 | #define OEX_FPU_UFLO 0x02 /* Underflow exception. */ |
||
1184 | #define OEX_FPU_INEX 0x01 /* Inexact exception. */ |
||
1185 | |||
1186 | /* Masks for the info word of an ODK_PAD descriptor. */ |
||
1187 | #define OPAD_PREFIX 0x01 |
||
1188 | #define OPAD_POSTFIX 0x02 |
||
1189 | #define OPAD_SYMBOL 0x04 |
||
1190 | |||
1191 | /* Masks for the info word of an ODK_HWPATCH descriptor. */ |
||
1192 | #define OHW_R4KEOP 0x00000001 /* R4000 end-of-page patch. */ |
||
1193 | #define OHW_R8KPFETCH 0x00000002 /* May need R8000 prefetch patch. */ |
||
1194 | #define OHW_R5KEOP 0x00000004 /* R5000 end-of-page patch. */ |
||
1195 | #define OHW_R5KCVTL 0x00000008 /* R5000 cvt.[ds].l bug |
||
1196 | (clean == 1). */ |
||
1197 | #define OHW_R10KLDL 0x00000010 /* Needs R10K misaligned |
||
1198 | load patch. */ |
||
1199 | |||
1200 | /* Masks for the info word of an ODK_IDENT/ODK_GP_GROUP descriptor. */ |
||
1201 | #define OGP_GROUP 0x0000ffff /* GP group number. */ |
||
1202 | #define OGP_SELF 0xffff0000 /* Self-contained GP groups. */ |
||
1203 | |||
1204 | /* Masks for the info word of an ODK_HWAND/ODK_HWOR descriptor. */ |
||
1205 | #define OHWA0_R4KEOP_CHECKED 0x00000001 |
||
1206 | #define OHWA0_R4KEOP_CLEAN 0x00000002 |
||
6324 | serge | 1207 | |
1208 | /* Values for the xxx_size bytes of an ABI flags structure. */ |
||
1209 | |||
1210 | #define AFL_REG_NONE 0x00 /* No registers. */ |
||
1211 | #define AFL_REG_32 0x01 /* 32-bit registers. */ |
||
1212 | #define AFL_REG_64 0x02 /* 64-bit registers. */ |
||
1213 | #define AFL_REG_128 0x03 /* 128-bit registers. */ |
||
1214 | |||
1215 | /* Masks for the ases word of an ABI flags structure. */ |
||
1216 | |||
1217 | #define AFL_ASE_DSP 0x00000001 /* DSP ASE. */ |
||
1218 | #define AFL_ASE_DSPR2 0x00000002 /* DSP R2 ASE. */ |
||
1219 | #define AFL_ASE_EVA 0x00000004 /* Enhanced VA Scheme. */ |
||
1220 | #define AFL_ASE_MCU 0x00000008 /* MCU (MicroController) ASE. */ |
||
1221 | #define AFL_ASE_MDMX 0x00000010 /* MDMX ASE. */ |
||
1222 | #define AFL_ASE_MIPS3D 0x00000020 /* MIPS-3D ASE. */ |
||
1223 | #define AFL_ASE_MT 0x00000040 /* MT ASE. */ |
||
1224 | #define AFL_ASE_SMARTMIPS 0x00000080 /* SmartMIPS ASE. */ |
||
1225 | #define AFL_ASE_VIRT 0x00000100 /* VZ ASE. */ |
||
1226 | #define AFL_ASE_MSA 0x00000200 /* MSA ASE. */ |
||
1227 | #define AFL_ASE_MIPS16 0x00000400 /* MIPS16 ASE. */ |
||
1228 | #define AFL_ASE_MICROMIPS 0x00000800 /* MICROMIPS ASE. */ |
||
1229 | #define AFL_ASE_XPA 0x00001000 /* XPA ASE. */ |
||
1230 | #define AFL_ASE_MASK 0x00001fff /* All ASEs. */ |
||
1231 | |||
1232 | /* Values for the isa_ext word of an ABI flags structure. */ |
||
1233 | |||
1234 | #define AFL_EXT_XLR 1 /* RMI Xlr instruction. */ |
||
1235 | #define AFL_EXT_OCTEON2 2 /* Cavium Networks Octeon2. */ |
||
1236 | #define AFL_EXT_OCTEONP 3 /* Cavium Networks OcteonP. */ |
||
1237 | #define AFL_EXT_LOONGSON_3A 4 /* Loongson 3A. */ |
||
1238 | #define AFL_EXT_OCTEON 5 /* Cavium Networks Octeon. */ |
||
1239 | #define AFL_EXT_5900 6 /* MIPS R5900 instruction. */ |
||
1240 | #define AFL_EXT_4650 7 /* MIPS R4650 instruction. */ |
||
1241 | #define AFL_EXT_4010 8 /* LSI R4010 instruction. */ |
||
1242 | #define AFL_EXT_4100 9 /* NEC VR4100 instruction. */ |
||
1243 | #define AFL_EXT_3900 10 /* Toshiba R3900 instruction. */ |
||
1244 | #define AFL_EXT_10000 11 /* MIPS R10000 instruction. */ |
||
1245 | #define AFL_EXT_SB1 12 /* Broadcom SB-1 instruction. */ |
||
1246 | #define AFL_EXT_4111 13 /* NEC VR4111/VR4181 instruction. */ |
||
1247 | #define AFL_EXT_4120 14 /* NEC VR4120 instruction. */ |
||
1248 | #define AFL_EXT_5400 15 /* NEC VR5400 instruction. */ |
||
1249 | #define AFL_EXT_5500 16 /* NEC VR5500 instruction. */ |
||
1250 | #define AFL_EXT_LOONGSON_2E 17 /* ST Microelectronics Loongson 2E. */ |
||
1251 | #define AFL_EXT_LOONGSON_2F 18 /* ST Microelectronics Loongson 2F. */ |
||
1252 | #define AFL_EXT_OCTEON3 19 /* Cavium Networks Octeon3. */ |
||
1253 | |||
1254 | /* Masks for the flags1 word of an ABI flags structure. */ |
||
1255 | #define AFL_FLAGS1_ODDSPREG 1 /* Uses odd single-precision registers. */ |
||
1256 | |||
1257 | extern unsigned int bfd_mips_isa_ext (bfd *); |
||
5191 | serge | 1258 | |
1259 | |||
1260 | /* Object attribute tags. */ |
||
1261 | enum |
||
1262 | { |
||
1263 | /* 0-3 are generic. */ |
||
1264 | |||
1265 | /* Floating-point ABI used by this object file. */ |
||
1266 | Tag_GNU_MIPS_ABI_FP = 4, |
||
6324 | serge | 1267 | |
1268 | /* MSA ABI used by this object file. */ |
||
1269 | Tag_GNU_MIPS_ABI_MSA = 8, |
||
5191 | serge | 1270 | }; |
1271 | |||
1272 | /* Object attribute values. */ |
||
1273 | enum |
||
1274 | { |
||
1275 | /* Values defined for Tag_GNU_MIPS_ABI_FP. */ |
||
1276 | |||
1277 | /* Not tagged or not using any ABIs affected by the differences. */ |
||
1278 | Val_GNU_MIPS_ABI_FP_ANY = 0, |
||
1279 | |||
1280 | /* Using hard-float -mdouble-float. */ |
||
1281 | Val_GNU_MIPS_ABI_FP_DOUBLE = 1, |
||
1282 | |||
1283 | /* Using hard-float -msingle-float. */ |
||
1284 | Val_GNU_MIPS_ABI_FP_SINGLE = 2, |
||
1285 | |||
1286 | /* Using soft-float. */ |
||
1287 | Val_GNU_MIPS_ABI_FP_SOFT = 3, |
||
1288 | |||
1289 | /* Using -mips32r2 -mfp64. */ |
||
6324 | serge | 1290 | Val_GNU_MIPS_ABI_FP_OLD_64 = 4, |
1291 | |||
1292 | /* Using -mfpxx */ |
||
1293 | Val_GNU_MIPS_ABI_FP_XX = 5, |
||
1294 | |||
1295 | /* Using -mips32r2 -mfp64. */ |
||
1296 | Val_GNU_MIPS_ABI_FP_64 = 6, |
||
1297 | |||
1298 | /* Using -mips32r2 -mfp64 -mno-odd-spreg. */ |
||
1299 | Val_GNU_MIPS_ABI_FP_64A = 7, |
||
1300 | |||
1301 | /* This is reserved for backward-compatibility with an earlier |
||
1302 | implementation of the MIPS NaN2008 functionality. */ |
||
1303 | Val_GNU_MIPS_ABI_FP_NAN2008 = 8, |
||
1304 | |||
1305 | /* Values defined for Tag_GNU_MIPS_ABI_MSA. */ |
||
1306 | |||
1307 | /* Not tagged or not using any ABIs affected by the differences. */ |
||
1308 | Val_GNU_MIPS_ABI_MSA_ANY = 0, |
||
1309 | |||
1310 | /* Using 128-bit MSA. */ |
||
1311 | Val_GNU_MIPS_ABI_MSA_128 = 1, |
||
5191 | serge | 1312 | }; |
1313 | |||
1314 | #endif /* _ELF_MIPS_H */><>><>><>><> |