Commit | Line | Data |
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c906108c | 1 | /* Build symbol tables in GDB's internal format. |
ecd75fc8 | 2 | Copyright (C) 1986-2014 Free Software Foundation, Inc. |
c906108c | 3 | |
c5aa993b JM |
4 | This file is part of GDB. |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 8 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b JM |
9 | (at your option) any later version. |
10 | ||
11 | This program 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 | |
a9762ec7 | 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
18 | |
19 | #if !defined (BUILDSYM_H) | |
20 | #define BUILDSYM_H 1 | |
21 | ||
da3331ec AC |
22 | struct objfile; |
23 | struct symbol; | |
801e3a5b | 24 | struct addrmap; |
da3331ec | 25 | |
c906108c SS |
26 | /* This module provides definitions used for creating and adding to |
27 | the symbol table. These routines are called from various symbol- | |
28 | file-reading routines. | |
29 | ||
30 | They originated in dbxread.c of gdb-4.2, and were split out to | |
31 | make xcoffread.c more maintainable by sharing code. | |
32 | ||
33 | Variables declared in this file can be defined by #define-ing the | |
34 | name EXTERN to null. It is used to declare variables that are | |
35 | normally extern, but which get defined in a single module using | |
36 | this technique. */ | |
37 | ||
fe898f56 | 38 | struct block; |
93eed41f | 39 | struct pending_block; |
fe898f56 | 40 | |
c906108c SS |
41 | #ifndef EXTERN |
42 | #define EXTERN extern | |
43 | #endif | |
44 | ||
45 | #define HASHSIZE 127 /* Size of things hashed via | |
0e2de366 | 46 | hashname(). */ |
c906108c | 47 | |
c906108c | 48 | /* Core address of start of text of current source file. This too |
92b5c263 DE |
49 | comes from the N_SO symbol. For Dwarf it typically comes from the |
50 | DW_AT_low_pc attribute of a DW_TAG_compile_unit DIE. */ | |
c906108c SS |
51 | |
52 | EXTERN CORE_ADDR last_source_start_addr; | |
53 | ||
54 | /* The list of sub-source-files within the current individual | |
55 | compilation. Each file gets its own symtab with its own linetable | |
56 | and associated info, but they all share one blockvector. */ | |
57 | ||
58 | struct subfile | |
59 | { | |
60 | struct subfile *next; | |
61 | char *name; | |
62 | char *dirname; | |
63 | struct linetable *line_vector; | |
64 | int line_vector_length; | |
65 | enum language language; | |
554d387d TT |
66 | const char *producer; |
67 | const char *debugformat; | |
cb1df416 | 68 | struct symtab *symtab; |
c906108c SS |
69 | }; |
70 | ||
c906108c SS |
71 | EXTERN struct subfile *current_subfile; |
72 | ||
73 | /* Global variable which, when set, indicates that we are processing a | |
74 | .o file compiled with gcc */ | |
75 | ||
76 | EXTERN unsigned char processing_gcc_compilation; | |
77 | ||
78 | /* When set, we are processing a .o file compiled by sun acc. This is | |
79 | misnamed; it refers to all stabs-in-elf implementations which use | |
80 | N_UNDF the way Sun does, including Solaris gcc. Hopefully all | |
81 | stabs-in-elf implementations ever invented will choose to be | |
82 | compatible. */ | |
83 | ||
84 | EXTERN unsigned char processing_acc_compilation; | |
85 | ||
c906108c SS |
86 | /* Count symbols as they are processed, for error messages. */ |
87 | ||
88 | EXTERN unsigned int symnum; | |
89 | ||
90 | /* Record the symbols defined for each context in a list. We don't | |
91 | create a struct block for the context until we know how long to | |
92 | make it. */ | |
93 | ||
94 | #define PENDINGSIZE 100 | |
95 | ||
96 | struct pending | |
97 | { | |
98 | struct pending *next; | |
99 | int nsyms; | |
100 | struct symbol *symbol[PENDINGSIZE]; | |
101 | }; | |
102 | ||
103 | /* Here are the three lists that symbols are put on. */ | |
104 | ||
105 | /* static at top level, and types */ | |
106 | ||
107 | EXTERN struct pending *file_symbols; | |
108 | ||
109 | /* global functions and variables */ | |
110 | ||
111 | EXTERN struct pending *global_symbols; | |
112 | ||
113 | /* everything local to lexical context */ | |
114 | ||
115 | EXTERN struct pending *local_symbols; | |
116 | ||
27aa8d6a SW |
117 | /* "using" directives local to lexical context. */ |
118 | ||
119 | EXTERN struct using_direct *using_directives; | |
120 | ||
c906108c SS |
121 | /* Stack representing unclosed lexical contexts (that will become |
122 | blocks, eventually). */ | |
123 | ||
124 | struct context_stack | |
125 | { | |
126 | /* Outer locals at the time we entered */ | |
127 | ||
128 | struct pending *locals; | |
129 | ||
27aa8d6a SW |
130 | /* Pending using directives at the time we entered. */ |
131 | ||
132 | struct using_direct *using_directives; | |
133 | ||
c906108c SS |
134 | /* Pointer into blocklist as of entry */ |
135 | ||
136 | struct pending_block *old_blocks; | |
137 | ||
138 | /* Name of function, if any, defining context */ | |
139 | ||
140 | struct symbol *name; | |
141 | ||
142 | /* PC where this context starts */ | |
143 | ||
144 | CORE_ADDR start_addr; | |
145 | ||
0e2de366 | 146 | /* Temp slot for exception handling. */ |
c906108c SS |
147 | |
148 | CORE_ADDR end_addr; | |
149 | ||
150 | /* For error-checking matching push/pop */ | |
151 | ||
152 | int depth; | |
153 | ||
154 | }; | |
155 | ||
156 | EXTERN struct context_stack *context_stack; | |
157 | ||
158 | /* Index of first unused entry in context stack. */ | |
159 | ||
160 | EXTERN int context_stack_depth; | |
161 | ||
162 | /* Currently allocated size of context stack. */ | |
163 | ||
164 | EXTERN int context_stack_size; | |
165 | ||
921e78cf JB |
166 | /* Non-zero if the context stack is empty. */ |
167 | #define outermost_context_p() (context_stack_depth == 0) | |
168 | ||
c906108c SS |
169 | /* Nonzero if within a function (so symbols should be local, if |
170 | nothing says specifically). */ | |
171 | ||
172 | EXTERN int within_function; | |
173 | ||
252a6764 DE |
174 | /* The type of the record_line function. */ |
175 | typedef void (record_line_ftype) (struct subfile *subfile, int line, | |
176 | CORE_ADDR pc); | |
177 | ||
c906108c SS |
178 | \f |
179 | ||
c906108c SS |
180 | #define next_symbol_text(objfile) (*next_symbol_text_func)(objfile) |
181 | ||
0e2de366 | 182 | /* Function to invoke get the next symbol. Return the symbol name. */ |
c906108c SS |
183 | |
184 | EXTERN char *(*next_symbol_text_func) (struct objfile *); | |
185 | ||
c906108c SS |
186 | extern void add_symbol_to_list (struct symbol *symbol, |
187 | struct pending **listhead); | |
188 | ||
189 | extern struct symbol *find_symbol_in_list (struct pending *list, | |
190 | char *name, int length); | |
191 | ||
801e3a5b JB |
192 | extern struct block *finish_block (struct symbol *symbol, |
193 | struct pending **listhead, | |
194 | struct pending_block *old_blocks, | |
4d663531 | 195 | CORE_ADDR start, CORE_ADDR end); |
801e3a5b JB |
196 | |
197 | extern void record_block_range (struct block *, | |
198 | CORE_ADDR start, CORE_ADDR end_inclusive); | |
c906108c | 199 | |
bde58177 | 200 | extern void really_free_pendings (void *dummy); |
c906108c | 201 | |
4d663531 | 202 | extern void start_subfile (const char *name); |
c906108c SS |
203 | |
204 | extern void patch_subfile_names (struct subfile *subfile, char *name); | |
205 | ||
206 | extern void push_subfile (void); | |
207 | ||
208 | extern char *pop_subfile (void); | |
209 | ||
4359dff1 | 210 | extern struct block *end_symtab_get_static_block (CORE_ADDR end_addr, |
36586728 TT |
211 | int expandable, |
212 | int required); | |
4359dff1 JK |
213 | |
214 | extern struct symtab *end_symtab_from_static_block (struct block *static_block, | |
4359dff1 JK |
215 | int section, |
216 | int expandable); | |
217 | ||
4d663531 | 218 | extern struct symtab *end_symtab (CORE_ADDR end_addr, int section); |
c906108c | 219 | |
6d30eef8 | 220 | extern struct symtab *end_expandable_symtab (CORE_ADDR end_addr, |
6d30eef8 DE |
221 | int section); |
222 | ||
4d663531 | 223 | extern void augment_type_symtab (struct symtab *primary_symtab); |
6d30eef8 | 224 | |
c906108c SS |
225 | /* Defined in stabsread.c. */ |
226 | ||
227 | extern void scan_file_globals (struct objfile *objfile); | |
228 | ||
229 | extern void buildsym_new_init (void); | |
230 | ||
231 | extern void buildsym_init (void); | |
232 | ||
233 | extern struct context_stack *push_context (int desc, CORE_ADDR valu); | |
234 | ||
0c5e171a KD |
235 | extern struct context_stack *pop_context (void); |
236 | ||
252a6764 | 237 | extern record_line_ftype record_line; |
c906108c | 238 | |
4d663531 DE |
239 | extern void start_symtab (struct objfile *objfile, |
240 | const char *name, const char *dirname, | |
46212e0b | 241 | CORE_ADDR start_addr); |
c906108c | 242 | |
6d30eef8 DE |
243 | extern void restart_symtab (CORE_ADDR start_addr); |
244 | ||
0d5cff50 | 245 | extern int hashname (const char *name); |
c906108c SS |
246 | |
247 | extern void free_pending_blocks (void); | |
248 | ||
554d387d TT |
249 | /* Record the name of the debug format in the current pending symbol |
250 | table. FORMAT must be a string with a lifetime at least as long as | |
251 | the symtab's objfile. */ | |
252 | ||
253 | extern void record_debugformat (const char *format); | |
254 | ||
255 | /* Record the name of the debuginfo producer (usually the compiler) in | |
256 | the current pending symbol table. PRODUCER must be a string with a | |
257 | lifetime at least as long as the symtab's objfile. */ | |
c906108c | 258 | |
303b6f5d DJ |
259 | extern void record_producer (const char *producer); |
260 | ||
c906108c SS |
261 | extern void merge_symbol_lists (struct pending **srclist, |
262 | struct pending **targetlist); | |
263 | ||
46212e0b TT |
264 | /* Set the name of the last source file. NAME is copied by this |
265 | function. */ | |
266 | ||
267 | extern void set_last_source_file (const char *name); | |
268 | ||
269 | /* Fetch the name of the last source file. */ | |
270 | ||
271 | extern const char *get_last_source_file (void); | |
272 | ||
fc474241 DE |
273 | /* Return the macro table. */ |
274 | ||
4d663531 | 275 | extern struct macro_table *get_macro_table (const char *comp_dir); |
99d9066e | 276 | |
c906108c SS |
277 | #undef EXTERN |
278 | ||
279 | #endif /* defined (BUILDSYM_H) */ |