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