Rev 5222 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
5222 | serge | 1 | /* symbols.h - |
6324 | serge | 2 | Copyright (C) 1987-2015 Free Software Foundation, Inc. |
5222 | serge | 3 | |
4 | This file is part of GAS, the GNU Assembler. |
||
5 | |||
6 | GAS is free software; you can redistribute it and/or modify |
||
7 | it under the terms of the GNU General Public License as published by |
||
8 | the Free Software Foundation; either version 3, or (at your option) |
||
9 | any later version. |
||
10 | |||
11 | GAS is distributed in the hope that it will be useful, |
||
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
||
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||
14 | GNU General Public License for more details. |
||
15 | |||
16 | You should have received a copy of the GNU General Public License |
||
17 | along with GAS; see the file COPYING. If not, write to the Free |
||
18 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
||
19 | 02110-1301, USA. */ |
||
20 | |||
21 | extern struct obstack notes; /* eg FixS live here. */ |
||
22 | |||
23 | extern struct obstack cond_obstack; /* this is where we track .ifdef/.endif |
||
24 | (if we do that at all). */ |
||
25 | |||
26 | extern symbolS *symbol_rootP; /* all the symbol nodes */ |
||
27 | extern symbolS *symbol_lastP; /* last struct symbol we made, or NULL */ |
||
28 | |||
29 | extern symbolS abs_symbol; |
||
30 | extern symbolS dot_symbol; |
||
31 | |||
32 | extern int symbol_table_frozen; |
||
33 | |||
34 | /* This is non-zero if symbols are case sensitive, which is the |
||
35 | default. */ |
||
36 | extern int symbols_case_sensitive; |
||
37 | |||
38 | char * symbol_relc_make_expr (expressionS *); |
||
39 | char * symbol_relc_make_sym (symbolS *); |
||
40 | char * symbol_relc_make_value (offsetT); |
||
41 | char *decode_local_label_name (char *s); |
||
42 | symbolS *symbol_find (const char *name); |
||
43 | symbolS *symbol_find_noref (const char *name, int noref); |
||
44 | symbolS *symbol_find_exact (const char *name); |
||
45 | symbolS *symbol_find_exact_noref (const char *name, int noref); |
||
46 | symbolS *symbol_find_or_make (const char *name); |
||
47 | symbolS *symbol_make (const char *name); |
||
48 | symbolS *symbol_new (const char *name, segT segment, valueT value, |
||
49 | fragS * frag); |
||
50 | symbolS *symbol_create (const char *name, segT segment, valueT value, |
||
51 | fragS * frag); |
||
52 | struct local_symbol *local_symbol_make (const char *name, segT section, |
||
53 | valueT val, fragS *frag); |
||
54 | symbolS *symbol_clone (symbolS *, int); |
||
55 | #undef symbol_clone_if_forward_ref |
||
56 | symbolS *symbol_clone_if_forward_ref (symbolS *, int); |
||
57 | #define symbol_clone_if_forward_ref(s) symbol_clone_if_forward_ref (s, 0) |
||
58 | symbolS *symbol_temp_new (segT, valueT, fragS *); |
||
59 | symbolS *symbol_temp_new_now (void); |
||
60 | symbolS *symbol_temp_make (void); |
||
61 | |||
62 | symbolS *colon (const char *sym_name); |
||
63 | void local_colon (int n); |
||
64 | void symbol_begin (void); |
||
65 | void dot_symbol_init (void); |
||
66 | void symbol_print_statistics (FILE *); |
||
67 | void symbol_table_insert (symbolS * symbolP); |
||
68 | valueT resolve_symbol_value (symbolS *); |
||
69 | void resolve_local_symbol_values (void); |
||
70 | int snapshot_symbol (symbolS **, valueT *, segT *, fragS **); |
||
71 | |||
72 | void print_symbol_value (symbolS *); |
||
73 | void print_expr (expressionS *); |
||
74 | void print_expr_1 (FILE *, expressionS *); |
||
75 | void print_symbol_value_1 (FILE *, symbolS *); |
||
76 | |||
77 | int dollar_label_defined (long l); |
||
78 | void dollar_label_clear (void); |
||
79 | void define_dollar_label (long l); |
||
80 | char *dollar_label_name (long l, int augend); |
||
81 | |||
82 | void fb_label_instance_inc (long label); |
||
83 | char *fb_label_name (long n, long augend); |
||
84 | |||
85 | extern void copy_symbol_attributes (symbolS *, symbolS *); |
||
86 | |||
87 | /* Get and set the values of symbols. These used to be macros. */ |
||
88 | extern valueT S_GET_VALUE (symbolS *); |
||
89 | extern void S_SET_VALUE (symbolS *, valueT); |
||
90 | |||
91 | extern int S_IS_FUNCTION (symbolS *); |
||
92 | extern int S_IS_EXTERNAL (symbolS *); |
||
93 | extern int S_IS_WEAK (symbolS *); |
||
94 | extern int S_IS_WEAKREFR (symbolS *); |
||
95 | extern int S_IS_WEAKREFD (symbolS *); |
||
96 | extern int S_IS_COMMON (symbolS *); |
||
97 | extern int S_IS_DEFINED (symbolS *); |
||
98 | extern int S_FORCE_RELOC (symbolS *, int); |
||
99 | extern int S_IS_DEBUG (symbolS *); |
||
100 | extern int S_IS_LOCAL (symbolS *); |
||
101 | extern int S_IS_STABD (symbolS *); |
||
102 | extern int S_CAN_BE_REDEFINED (const symbolS *); |
||
103 | extern int S_IS_VOLATILE (const symbolS *); |
||
104 | extern int S_IS_FORWARD_REF (const symbolS *); |
||
105 | extern const char *S_GET_NAME (symbolS *); |
||
106 | extern segT S_GET_SEGMENT (symbolS *); |
||
107 | extern void S_SET_SEGMENT (symbolS *, segT); |
||
108 | extern void S_SET_EXTERNAL (symbolS *); |
||
109 | extern void S_SET_NAME (symbolS *, const char *); |
||
110 | extern void S_CLEAR_EXTERNAL (symbolS *); |
||
111 | extern void S_SET_WEAK (symbolS *); |
||
112 | extern void S_SET_WEAKREFR (symbolS *); |
||
113 | extern void S_CLEAR_WEAKREFR (symbolS *); |
||
114 | extern void S_SET_WEAKREFD (symbolS *); |
||
115 | extern void S_CLEAR_WEAKREFD (symbolS *); |
||
116 | extern void S_SET_THREAD_LOCAL (symbolS *); |
||
117 | extern void S_SET_VOLATILE (symbolS *); |
||
118 | extern void S_CLEAR_VOLATILE (symbolS *); |
||
119 | extern void S_SET_FORWARD_REF (symbolS *); |
||
120 | |||
121 | #ifndef WORKING_DOT_WORD |
||
122 | struct broken_word |
||
123 | { |
||
124 | /* Linked list -- one of these structures per ".word x-y+C" |
||
125 | expression. */ |
||
126 | struct broken_word *next_broken_word; |
||
127 | /* Segment and subsegment for broken word. */ |
||
128 | segT seg; |
||
129 | subsegT subseg; |
||
130 | /* Which frag is this broken word in? */ |
||
131 | fragS *frag; |
||
132 | /* Where in the frag is it? */ |
||
133 | char *word_goes_here; |
||
134 | /* Where to add the break. */ |
||
135 | fragS *dispfrag; /* where to add the break */ |
||
136 | /* Operands of expression. */ |
||
137 | symbolS *add; |
||
138 | symbolS *sub; |
||
139 | offsetT addnum; |
||
140 | |||
141 | int added; /* nasty thing happened yet? */ |
||
142 | /* 1: added and has a long-jump */ |
||
143 | /* 2: added but uses someone elses long-jump */ |
||
144 | |||
145 | /* Pointer to broken_word with a similar long-jump. */ |
||
146 | struct broken_word *use_jump; |
||
147 | }; |
||
148 | extern struct broken_word *broken_words; |
||
149 | #endif /* ndef WORKING_DOT_WORD */ |
||
150 | |||
151 | /* |
||
152 | * Current means for getting from symbols to segments and vice verse. |
||
153 | * This will change for infinite-segments support (e.g. COFF). |
||
154 | */ |
||
155 | extern const segT N_TYPE_seg[]; /* subseg.c */ |
||
156 | |||
157 | #define SEGMENT_TO_SYMBOL_TYPE(seg) ( seg_N_TYPE [(int) (seg)] ) |
||
158 | extern const short seg_N_TYPE[];/* subseg.c */ |
||
159 | |||
160 | #define N_REGISTER 30 /* Fake N_TYPE value for SEG_REGISTER */ |
||
161 | |||
162 | void symbol_clear_list_pointers (symbolS * symbolP); |
||
163 | |||
164 | void symbol_insert (symbolS * addme, symbolS * target, |
||
165 | symbolS ** rootP, symbolS ** lastP); |
||
166 | void symbol_remove (symbolS * symbolP, symbolS ** rootP, |
||
167 | symbolS ** lastP); |
||
168 | |||
169 | extern symbolS *symbol_previous (symbolS *); |
||
170 | |||
171 | void verify_symbol_chain (symbolS * rootP, symbolS * lastP); |
||
172 | |||
173 | void symbol_append (symbolS * addme, symbolS * target, |
||
174 | symbolS ** rootP, symbolS ** lastP); |
||
175 | |||
176 | extern symbolS *symbol_next (symbolS *); |
||
177 | |||
178 | extern expressionS *symbol_get_value_expression (symbolS *); |
||
179 | extern void symbol_set_value_expression (symbolS *, const expressionS *); |
||
180 | extern offsetT *symbol_X_add_number (symbolS *); |
||
181 | extern void symbol_set_value_now (symbolS *); |
||
182 | extern void symbol_set_frag (symbolS *, fragS *); |
||
183 | extern fragS *symbol_get_frag (symbolS *); |
||
184 | extern void symbol_mark_used (symbolS *); |
||
185 | extern void symbol_clear_used (symbolS *); |
||
186 | extern int symbol_used_p (symbolS *); |
||
187 | extern void symbol_mark_used_in_reloc (symbolS *); |
||
188 | extern void symbol_clear_used_in_reloc (symbolS *); |
||
189 | extern int symbol_used_in_reloc_p (symbolS *); |
||
190 | extern void symbol_mark_mri_common (symbolS *); |
||
191 | extern void symbol_clear_mri_common (symbolS *); |
||
192 | extern int symbol_mri_common_p (symbolS *); |
||
193 | extern void symbol_mark_written (symbolS *); |
||
194 | extern void symbol_clear_written (symbolS *); |
||
195 | extern int symbol_written_p (symbolS *); |
||
196 | extern void symbol_mark_resolved (symbolS *); |
||
197 | extern int symbol_resolved_p (symbolS *); |
||
198 | extern int symbol_section_p (symbolS *); |
||
199 | extern int symbol_equated_p (symbolS *); |
||
200 | extern int symbol_equated_reloc_p (symbolS *); |
||
201 | extern int symbol_constant_p (symbolS *); |
||
202 | extern int symbol_shadow_p (symbolS *); |
||
203 | extern asymbol *symbol_get_bfdsym (symbolS *); |
||
204 | extern void symbol_set_bfdsym (symbolS *, asymbol *); |
||
205 | extern int symbol_same_p (symbolS *, symbolS *); |
||
206 | |||
207 | #ifdef OBJ_SYMFIELD_TYPE |
||
208 | OBJ_SYMFIELD_TYPE *symbol_get_obj (symbolS *); |
||
209 | void symbol_set_obj (symbolS *, OBJ_SYMFIELD_TYPE *); |
||
210 | #endif |
||
211 | |||
212 | #ifdef TC_SYMFIELD_TYPE |
||
213 | TC_SYMFIELD_TYPE *symbol_get_tc (symbolS *); |
||
214 | void symbol_set_tc (symbolS *, TC_SYMFIELD_TYPE *); |
||
215 | #endif |