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0baae8db | 1 | /* Legacy support routines for building symbol tables in GDB's internal format. |
42a4f53d | 2 | Copyright (C) 1986-2019 Free Software Foundation, Inc. |
0baae8db TT |
3 | |
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 | |
8 | the Free Software Foundation; either version 3 of the License, or | |
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 | |
17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include "defs.h" | |
d55e5aa6 TT |
20 | |
21 | /* Local non-gdb includes. */ | |
0baae8db TT |
22 | #include "buildsym-legacy.h" |
23 | ||
24 | /* The work-in-progress of the compunit we are building. | |
25 | This is created first, before any subfiles by start_symtab. */ | |
26 | ||
27 | static struct buildsym_compunit *buildsym_compunit; | |
28 | ||
29 | void | |
30 | record_debugformat (const char *format) | |
31 | { | |
32 | buildsym_compunit->record_debugformat (format); | |
33 | } | |
34 | ||
35 | void | |
36 | record_producer (const char *producer) | |
37 | { | |
38 | buildsym_compunit->record_producer (producer); | |
39 | } | |
40 | ||
41 | \f | |
42 | ||
43 | /* See buildsym.h. */ | |
44 | ||
45 | void | |
46 | set_last_source_file (const char *name) | |
47 | { | |
48 | gdb_assert (buildsym_compunit != nullptr || name == nullptr); | |
49 | if (buildsym_compunit != nullptr) | |
50 | buildsym_compunit->set_last_source_file (name); | |
51 | } | |
52 | ||
53 | /* See buildsym.h. */ | |
54 | ||
55 | const char * | |
56 | get_last_source_file () | |
57 | { | |
58 | if (buildsym_compunit == nullptr) | |
59 | return nullptr; | |
60 | return buildsym_compunit->get_last_source_file (); | |
61 | } | |
62 | ||
63 | /* See buildsym.h. */ | |
64 | ||
65 | void | |
66 | set_last_source_start_addr (CORE_ADDR addr) | |
67 | { | |
68 | gdb_assert (buildsym_compunit != nullptr); | |
69 | buildsym_compunit->set_last_source_start_addr (addr); | |
70 | } | |
71 | ||
72 | /* See buildsym.h. */ | |
73 | ||
74 | CORE_ADDR | |
75 | get_last_source_start_addr () | |
76 | { | |
77 | gdb_assert (buildsym_compunit != nullptr); | |
78 | return buildsym_compunit->get_last_source_start_addr (); | |
79 | } | |
80 | ||
81 | /* See buildsym.h. */ | |
82 | ||
83 | struct using_direct ** | |
84 | get_local_using_directives () | |
85 | { | |
86 | gdb_assert (buildsym_compunit != nullptr); | |
87 | return buildsym_compunit->get_local_using_directives (); | |
88 | } | |
89 | ||
90 | /* See buildsym.h. */ | |
91 | ||
92 | void | |
93 | set_local_using_directives (struct using_direct *new_local) | |
94 | { | |
95 | gdb_assert (buildsym_compunit != nullptr); | |
96 | buildsym_compunit->set_local_using_directives (new_local); | |
97 | } | |
98 | ||
99 | /* See buildsym.h. */ | |
100 | ||
101 | struct using_direct ** | |
102 | get_global_using_directives () | |
103 | { | |
104 | gdb_assert (buildsym_compunit != nullptr); | |
105 | return buildsym_compunit->get_global_using_directives (); | |
106 | } | |
107 | ||
108 | /* See buildsym.h. */ | |
109 | ||
110 | bool | |
111 | outermost_context_p () | |
112 | { | |
113 | gdb_assert (buildsym_compunit != nullptr); | |
114 | return buildsym_compunit->outermost_context_p (); | |
115 | } | |
116 | ||
117 | /* See buildsym.h. */ | |
118 | ||
119 | struct context_stack * | |
120 | get_current_context_stack () | |
121 | { | |
122 | gdb_assert (buildsym_compunit != nullptr); | |
123 | return buildsym_compunit->get_current_context_stack (); | |
124 | } | |
125 | ||
126 | /* See buildsym.h. */ | |
127 | ||
128 | int | |
129 | get_context_stack_depth () | |
130 | { | |
131 | gdb_assert (buildsym_compunit != nullptr); | |
132 | return buildsym_compunit->get_context_stack_depth (); | |
133 | } | |
134 | ||
135 | /* See buildsym.h. */ | |
136 | ||
137 | struct subfile * | |
138 | get_current_subfile () | |
139 | { | |
140 | gdb_assert (buildsym_compunit != nullptr); | |
141 | return buildsym_compunit->get_current_subfile (); | |
142 | } | |
143 | ||
144 | /* See buildsym.h. */ | |
145 | ||
146 | struct pending ** | |
147 | get_local_symbols () | |
148 | { | |
149 | gdb_assert (buildsym_compunit != nullptr); | |
150 | return buildsym_compunit->get_local_symbols (); | |
151 | } | |
152 | ||
153 | /* See buildsym.h. */ | |
154 | ||
155 | struct pending ** | |
156 | get_file_symbols () | |
157 | { | |
158 | gdb_assert (buildsym_compunit != nullptr); | |
159 | return buildsym_compunit->get_file_symbols (); | |
160 | } | |
161 | ||
162 | /* See buildsym.h. */ | |
163 | ||
164 | struct pending ** | |
165 | get_global_symbols () | |
166 | { | |
167 | gdb_assert (buildsym_compunit != nullptr); | |
168 | return buildsym_compunit->get_global_symbols (); | |
169 | } | |
170 | ||
171 | void | |
172 | start_subfile (const char *name) | |
173 | { | |
174 | gdb_assert (buildsym_compunit != nullptr); | |
175 | buildsym_compunit->start_subfile (name); | |
176 | } | |
177 | ||
178 | void | |
179 | patch_subfile_names (struct subfile *subfile, const char *name) | |
180 | { | |
181 | gdb_assert (buildsym_compunit != nullptr); | |
182 | buildsym_compunit->patch_subfile_names (subfile, name); | |
183 | } | |
184 | ||
185 | void | |
186 | push_subfile () | |
187 | { | |
188 | gdb_assert (buildsym_compunit != nullptr); | |
189 | buildsym_compunit->push_subfile (); | |
190 | } | |
191 | ||
192 | const char * | |
193 | pop_subfile () | |
194 | { | |
195 | gdb_assert (buildsym_compunit != nullptr); | |
196 | return buildsym_compunit->pop_subfile (); | |
197 | } | |
198 | ||
0baae8db TT |
199 | /* Delete the buildsym compunit. */ |
200 | ||
201 | static void | |
202 | free_buildsym_compunit (void) | |
203 | { | |
204 | if (buildsym_compunit == NULL) | |
205 | return; | |
206 | delete buildsym_compunit; | |
207 | buildsym_compunit = NULL; | |
208 | } | |
209 | ||
0baae8db TT |
210 | struct compunit_symtab * |
211 | end_symtab (CORE_ADDR end_addr, int section) | |
212 | { | |
213 | gdb_assert (buildsym_compunit != nullptr); | |
214 | struct compunit_symtab *result | |
215 | = buildsym_compunit->end_symtab (end_addr, section); | |
216 | free_buildsym_compunit (); | |
217 | return result; | |
218 | } | |
219 | ||
0baae8db TT |
220 | struct context_stack * |
221 | push_context (int desc, CORE_ADDR valu) | |
222 | { | |
223 | gdb_assert (buildsym_compunit != nullptr); | |
224 | return buildsym_compunit->push_context (desc, valu); | |
225 | } | |
226 | ||
227 | struct context_stack | |
228 | pop_context () | |
229 | { | |
230 | gdb_assert (buildsym_compunit != nullptr); | |
231 | return buildsym_compunit->pop_context (); | |
232 | } | |
233 | ||
234 | struct block * | |
235 | finish_block (struct symbol *symbol, struct pending_block *old_blocks, | |
236 | const struct dynamic_prop *static_link, | |
237 | CORE_ADDR start, CORE_ADDR end) | |
238 | { | |
239 | gdb_assert (buildsym_compunit != nullptr); | |
240 | return buildsym_compunit->finish_block (symbol, old_blocks, static_link, | |
241 | start, end); | |
242 | } | |
243 | ||
244 | void | |
245 | record_block_range (struct block *block, CORE_ADDR start, | |
246 | CORE_ADDR end_inclusive) | |
247 | { | |
248 | gdb_assert (buildsym_compunit != nullptr); | |
249 | buildsym_compunit->record_block_range (block, start, end_inclusive); | |
250 | } | |
251 | ||
252 | void | |
253 | record_line (struct subfile *subfile, int line, CORE_ADDR pc) | |
254 | { | |
255 | gdb_assert (buildsym_compunit != nullptr); | |
256 | buildsym_compunit->record_line (subfile, line, pc); | |
257 | } | |
258 | ||
259 | /* Start a new symtab for a new source file in OBJFILE. Called, for example, | |
260 | when a stabs symbol of type N_SO is seen, or when a DWARF | |
261 | TAG_compile_unit DIE is seen. It indicates the start of data for | |
262 | one original source file. | |
263 | ||
264 | NAME is the name of the file (cannot be NULL). COMP_DIR is the | |
265 | directory in which the file was compiled (or NULL if not known). | |
266 | START_ADDR is the lowest address of objects in the file (or 0 if | |
267 | not known). LANGUAGE is the language of the source file, or | |
268 | language_unknown if not known, in which case it'll be deduced from | |
269 | the filename. */ | |
270 | ||
271 | struct compunit_symtab * | |
272 | start_symtab (struct objfile *objfile, const char *name, const char *comp_dir, | |
273 | CORE_ADDR start_addr, enum language language) | |
274 | { | |
275 | /* These should have been reset either by successful completion of building | |
276 | a symtab, or by the scoped_free_pendings destructor. */ | |
277 | gdb_assert (buildsym_compunit == nullptr); | |
278 | ||
279 | buildsym_compunit = new struct buildsym_compunit (objfile, name, comp_dir, | |
280 | language, start_addr); | |
281 | ||
282 | return buildsym_compunit->get_compunit_symtab (); | |
283 | } | |
284 | ||
285 | /* Restart compilation for a symtab. | |
286 | CUST is the result of end_expandable_symtab. | |
287 | NAME, START_ADDR are the source file we are resuming with. | |
288 | ||
289 | This is used when a symtab is built from multiple sources. | |
290 | The symtab is first built with start_symtab/end_expandable_symtab | |
291 | and then for each additional piece call restart_symtab/augment_*_symtab. | |
292 | Note: At the moment there is only augment_type_symtab. */ | |
293 | ||
294 | void | |
295 | restart_symtab (struct compunit_symtab *cust, | |
296 | const char *name, CORE_ADDR start_addr) | |
297 | { | |
298 | /* These should have been reset either by successful completion of building | |
299 | a symtab, or by the scoped_free_pendings destructor. */ | |
300 | gdb_assert (buildsym_compunit == nullptr); | |
301 | ||
302 | buildsym_compunit | |
303 | = new struct buildsym_compunit (COMPUNIT_OBJFILE (cust), | |
304 | name, | |
305 | COMPUNIT_DIRNAME (cust), | |
306 | compunit_language (cust), | |
307 | start_addr, | |
308 | cust); | |
309 | } | |
310 | ||
311 | /* See buildsym.h. */ | |
312 | ||
313 | struct compunit_symtab * | |
314 | buildsym_compunit_symtab (void) | |
315 | { | |
316 | gdb_assert (buildsym_compunit != NULL); | |
317 | ||
318 | return buildsym_compunit->get_compunit_symtab (); | |
319 | } | |
320 | ||
321 | /* See buildsym.h. */ | |
322 | ||
323 | struct macro_table * | |
324 | get_macro_table (void) | |
325 | { | |
0baae8db TT |
326 | gdb_assert (buildsym_compunit != NULL); |
327 | return buildsym_compunit->get_macro_table (); | |
328 | } | |
329 | ||
330 | /* At end of reading syms, or in case of quit, ensure everything | |
331 | associated with building symtabs is freed. | |
332 | ||
333 | N.B. This is *not* intended to be used when building psymtabs. Some debug | |
334 | info readers call this anyway, which is harmless if confusing. */ | |
335 | ||
336 | scoped_free_pendings::~scoped_free_pendings () | |
337 | { | |
338 | free_buildsym_compunit (); | |
339 | } | |
80e649fc TT |
340 | |
341 | /* See buildsym-legacy.h. */ | |
342 | ||
343 | struct buildsym_compunit * | |
344 | get_buildsym_compunit () | |
345 | { | |
346 | gdb_assert (buildsym_compunit != nullptr); | |
347 | return buildsym_compunit; | |
348 | } |