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ccefe4c4 | 1 | /* Partial symbol tables. |
95cf5869 | 2 | |
42a4f53d | 3 | Copyright (C) 2009-2019 Free Software Foundation, Inc. |
ccefe4c4 TT |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include "defs.h" | |
21 | #include "symtab.h" | |
ccefe4c4 | 22 | #include "objfiles.h" |
b22a7c6a | 23 | #include "psympriv.h" |
ccefe4c4 TT |
24 | #include "block.h" |
25 | #include "filenames.h" | |
26 | #include "source.h" | |
27 | #include "addrmap.h" | |
28 | #include "gdbtypes.h" | |
29 | #include "bcache.h" | |
30 | #include "ui-out.h" | |
31 | #include "command.h" | |
32 | #include "readline/readline.h" | |
33 | #include "gdb_regex.h" | |
40658b94 | 34 | #include "dictionary.h" |
c00f8484 KS |
35 | #include "language.h" |
36 | #include "cp-support.h" | |
dfc7bb5b | 37 | #include "gdbcmd.h" |
af5bf4ad | 38 | #include <algorithm> |
71a3c369 | 39 | #include <set> |
ccefe4c4 | 40 | |
710e1a31 SW |
41 | struct psymbol_bcache |
42 | { | |
43 | struct bcache *bcache; | |
44 | }; | |
45 | ||
5c80ed9d TT |
46 | static struct partial_symbol *match_partial_symbol (struct objfile *, |
47 | struct partial_symtab *, | |
40658b94 PH |
48 | int, |
49 | const char *, domain_enum, | |
b5ec771e | 50 | symbol_name_match_type, |
2edb89d3 | 51 | symbol_compare_ftype *); |
40658b94 | 52 | |
5c80ed9d TT |
53 | static struct partial_symbol *lookup_partial_symbol (struct objfile *, |
54 | struct partial_symtab *, | |
ccefe4c4 TT |
55 | const char *, int, |
56 | domain_enum); | |
57 | ||
da5132d3 | 58 | static const char *psymtab_to_fullname (struct partial_symtab *ps); |
ccefe4c4 | 59 | |
5c80ed9d TT |
60 | static struct partial_symbol *find_pc_sect_psymbol (struct objfile *, |
61 | struct partial_symtab *, | |
ccefe4c4 TT |
62 | CORE_ADDR, |
63 | struct obj_section *); | |
64 | ||
43f3e411 DE |
65 | static struct compunit_symtab *psymtab_to_symtab (struct objfile *objfile, |
66 | struct partial_symtab *pst); | |
ccefe4c4 | 67 | |
b22a7c6a | 68 | /* See psymtab.h. */ |
b11896a5 | 69 | |
b22a7c6a | 70 | objfile_psymtabs |
b11896a5 TT |
71 | require_partial_symbols (struct objfile *objfile, int verbose) |
72 | { | |
73 | if ((objfile->flags & OBJF_PSYMTABS_READ) == 0) | |
74 | { | |
75 | objfile->flags |= OBJF_PSYMTABS_READ; | |
76 | ||
77 | if (objfile->sf->sym_read_psymbols) | |
78 | { | |
79 | if (verbose) | |
3453e7e4 TT |
80 | printf_filtered (_("Reading symbols from %s...\n"), |
81 | objfile_name (objfile)); | |
b11896a5 | 82 | (*objfile->sf->sym_read_psymbols) (objfile); |
af5bf4ad SM |
83 | |
84 | /* Partial symbols list are not expected to changed after this | |
85 | point. */ | |
86 | objfile->global_psymbols.shrink_to_fit (); | |
87 | objfile->static_psymbols.shrink_to_fit (); | |
88 | ||
3453e7e4 TT |
89 | if (verbose && !objfile_has_symbols (objfile)) |
90 | printf_filtered (_("(No debugging symbols found in %s)\n"), | |
91 | objfile_name (objfile)); | |
b11896a5 TT |
92 | } |
93 | } | |
94 | ||
b22a7c6a | 95 | return objfile_psymtabs (objfile); |
b11896a5 TT |
96 | } |
97 | ||
83827540 | 98 | /* Helper function for psym_map_symtabs_matching_filename that |
f8eba3c6 | 99 | expands the symtabs and calls the iterator. */ |
ccefe4c4 | 100 | |
14bc53a8 | 101 | static bool |
f8eba3c6 TT |
102 | partial_map_expand_apply (struct objfile *objfile, |
103 | const char *name, | |
f8eba3c6 TT |
104 | const char *real_path, |
105 | struct partial_symtab *pst, | |
14bc53a8 | 106 | gdb::function_view<bool (symtab *)> callback) |
f8eba3c6 | 107 | { |
43f3e411 | 108 | struct compunit_symtab *last_made = objfile->compunit_symtabs; |
f8eba3c6 | 109 | |
9439a077 TT |
110 | /* Shared psymtabs should never be seen here. Instead they should |
111 | be handled properly by the caller. */ | |
112 | gdb_assert (pst->user == NULL); | |
113 | ||
f8eba3c6 TT |
114 | /* Don't visit already-expanded psymtabs. */ |
115 | if (pst->readin) | |
116 | return 0; | |
117 | ||
118 | /* This may expand more than one symtab, and we want to iterate over | |
119 | all of them. */ | |
5c80ed9d | 120 | psymtab_to_symtab (objfile, pst); |
f8eba3c6 | 121 | |
14bc53a8 PA |
122 | return iterate_over_some_symtabs (name, real_path, objfile->compunit_symtabs, |
123 | last_made, callback); | |
f8eba3c6 TT |
124 | } |
125 | ||
83827540 DE |
126 | /* Psymtab version of map_symtabs_matching_filename. See its definition in |
127 | the definition of quick_symbol_functions in symfile.h. */ | |
f8eba3c6 | 128 | |
14bc53a8 PA |
129 | static bool |
130 | psym_map_symtabs_matching_filename | |
131 | (struct objfile *objfile, | |
132 | const char *name, | |
133 | const char *real_path, | |
134 | gdb::function_view<bool (symtab *)> callback) | |
ccefe4c4 | 135 | { |
c011a4f4 | 136 | const char *name_basename = lbasename (name); |
ccefe4c4 | 137 | |
b22a7c6a TT |
138 | for (partial_symtab *pst : require_partial_symbols (objfile, 1)) |
139 | { | |
140 | /* We can skip shared psymtabs here, because any file name will be | |
141 | attached to the unshared psymtab. */ | |
142 | if (pst->user != NULL) | |
143 | continue; | |
b4c41fc7 | 144 | |
b22a7c6a TT |
145 | /* Anonymous psymtabs don't have a file name. */ |
146 | if (pst->anonymous) | |
288e77a7 | 147 | continue; |
ccefe4c4 | 148 | |
b22a7c6a TT |
149 | if (compare_filenames_for_search (pst->filename, name)) |
150 | { | |
151 | if (partial_map_expand_apply (objfile, name, real_path, | |
152 | pst, callback)) | |
153 | return true; | |
154 | continue; | |
155 | } | |
c011a4f4 | 156 | |
b22a7c6a TT |
157 | /* Before we invoke realpath, which can get expensive when many |
158 | files are involved, do a quick comparison of the basenames. */ | |
159 | if (! basenames_may_differ | |
160 | && FILENAME_CMP (name_basename, lbasename (pst->filename)) != 0) | |
288e77a7 | 161 | continue; |
05cba821 | 162 | |
b22a7c6a TT |
163 | if (compare_filenames_for_search (psymtab_to_fullname (pst), name)) |
164 | { | |
165 | if (partial_map_expand_apply (objfile, name, real_path, | |
166 | pst, callback)) | |
167 | return true; | |
168 | continue; | |
169 | } | |
170 | ||
171 | /* If the user gave us an absolute path, try to find the file in | |
172 | this symtab and use its absolute path. */ | |
173 | if (real_path != NULL) | |
174 | { | |
175 | gdb_assert (IS_ABSOLUTE_PATH (real_path)); | |
176 | gdb_assert (IS_ABSOLUTE_PATH (name)); | |
177 | if (filename_cmp (psymtab_to_fullname (pst), real_path) == 0) | |
178 | { | |
179 | if (partial_map_expand_apply (objfile, name, real_path, | |
180 | pst, callback)) | |
181 | return true; | |
182 | continue; | |
183 | } | |
184 | } | |
185 | } | |
ccefe4c4 | 186 | |
14bc53a8 | 187 | return false; |
ccefe4c4 TT |
188 | } |
189 | ||
190 | /* Find which partial symtab contains PC and SECTION starting at psymtab PST. | |
191 | We may find a different psymtab than PST. See FIND_PC_SECT_PSYMTAB. */ | |
192 | ||
193 | static struct partial_symtab * | |
5c80ed9d TT |
194 | find_pc_sect_psymtab_closer (struct objfile *objfile, |
195 | CORE_ADDR pc, struct obj_section *section, | |
ccefe4c4 | 196 | struct partial_symtab *pst, |
77e371c0 | 197 | struct bound_minimal_symbol msymbol) |
ccefe4c4 | 198 | { |
ccefe4c4 TT |
199 | struct partial_symtab *tpst; |
200 | struct partial_symtab *best_pst = pst; | |
79748972 | 201 | CORE_ADDR best_addr = pst->text_low (objfile); |
ccefe4c4 | 202 | |
9750bca9 JK |
203 | gdb_assert (!pst->psymtabs_addrmap_supported); |
204 | ||
ccefe4c4 TT |
205 | /* An objfile that has its functions reordered might have |
206 | many partial symbol tables containing the PC, but | |
207 | we want the partial symbol table that contains the | |
208 | function containing the PC. */ | |
95cf5869 DE |
209 | if (!(objfile->flags & OBJF_REORDERED) |
210 | && section == NULL) /* Can't validate section this way. */ | |
ccefe4c4 TT |
211 | return pst; |
212 | ||
77e371c0 | 213 | if (msymbol.minsym == NULL) |
95cf5869 | 214 | return pst; |
ccefe4c4 TT |
215 | |
216 | /* The code range of partial symtabs sometimes overlap, so, in | |
217 | the loop below, we need to check all partial symtabs and | |
0df8b418 | 218 | find the one that fits better for the given PC address. We |
ccefe4c4 TT |
219 | select the partial symtab that contains a symbol whose |
220 | address is closest to the PC address. By closest we mean | |
221 | that find_pc_sect_symbol returns the symbol with address | |
222 | that is closest and still less than the given PC. */ | |
223 | for (tpst = pst; tpst != NULL; tpst = tpst->next) | |
224 | { | |
79748972 | 225 | if (pc >= tpst->text_low (objfile) && pc < tpst->text_high (objfile)) |
ccefe4c4 TT |
226 | { |
227 | struct partial_symbol *p; | |
228 | CORE_ADDR this_addr; | |
229 | ||
230 | /* NOTE: This assumes that every psymbol has a | |
231 | corresponding msymbol, which is not necessarily | |
232 | true; the debug info might be much richer than the | |
233 | object's symbol table. */ | |
5c80ed9d | 234 | p = find_pc_sect_psymbol (objfile, tpst, pc, section); |
ccefe4c4 | 235 | if (p != NULL |
02e9e7f7 | 236 | && (p->address (objfile) == BMSYMBOL_VALUE_ADDRESS (msymbol))) |
ccefe4c4 TT |
237 | return tpst; |
238 | ||
239 | /* Also accept the textlow value of a psymtab as a | |
240 | "symbol", to provide some support for partial | |
241 | symbol tables with line information but no debug | |
242 | symbols (e.g. those produced by an assembler). */ | |
243 | if (p != NULL) | |
02e9e7f7 | 244 | this_addr = p->address (objfile); |
ccefe4c4 | 245 | else |
79748972 | 246 | this_addr = tpst->text_low (objfile); |
ccefe4c4 TT |
247 | |
248 | /* Check whether it is closer than our current | |
249 | BEST_ADDR. Since this symbol address is | |
250 | necessarily lower or equal to PC, the symbol closer | |
251 | to PC is the symbol which address is the highest. | |
252 | This way we return the psymtab which contains such | |
0df8b418 | 253 | best match symbol. This can help in cases where the |
ccefe4c4 TT |
254 | symbol information/debuginfo is not complete, like |
255 | for instance on IRIX6 with gcc, where no debug info | |
0df8b418 MS |
256 | is emitted for statics. (See also the nodebug.exp |
257 | testcase.) */ | |
ccefe4c4 TT |
258 | if (this_addr > best_addr) |
259 | { | |
260 | best_addr = this_addr; | |
261 | best_pst = tpst; | |
262 | } | |
263 | } | |
264 | } | |
265 | return best_pst; | |
266 | } | |
267 | ||
95cf5869 | 268 | /* Find which partial symtab contains PC and SECTION. Return NULL if |
ccefe4c4 TT |
269 | none. We return the psymtab that contains a symbol whose address |
270 | exactly matches PC, or, if we cannot find an exact match, the | |
271 | psymtab that contains a symbol whose address is closest to PC. */ | |
95cf5869 | 272 | |
ccefe4c4 TT |
273 | static struct partial_symtab * |
274 | find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc, | |
275 | struct obj_section *section, | |
77e371c0 | 276 | struct bound_minimal_symbol msymbol) |
ccefe4c4 | 277 | { |
79748972 TT |
278 | CORE_ADDR baseaddr = ANOFFSET (objfile->section_offsets, |
279 | SECT_OFF_TEXT (objfile)); | |
ccefe4c4 TT |
280 | |
281 | /* Try just the PSYMTABS_ADDRMAP mapping first as it has better granularity | |
282 | than the later used TEXTLOW/TEXTHIGH one. */ | |
283 | ||
284 | if (objfile->psymtabs_addrmap != NULL) | |
285 | { | |
b22a7c6a TT |
286 | struct partial_symtab *pst |
287 | = ((struct partial_symtab *) | |
288 | addrmap_find (objfile->psymtabs_addrmap, pc - baseaddr)); | |
ccefe4c4 TT |
289 | if (pst != NULL) |
290 | { | |
291 | /* FIXME: addrmaps currently do not handle overlayed sections, | |
292 | so fall back to the non-addrmap case if we're debugging | |
293 | overlays and the addrmap returned the wrong section. */ | |
95cf5869 | 294 | if (overlay_debugging && msymbol.minsym != NULL && section != NULL) |
ccefe4c4 TT |
295 | { |
296 | struct partial_symbol *p; | |
ad3bbd48 | 297 | |
ccefe4c4 TT |
298 | /* NOTE: This assumes that every psymbol has a |
299 | corresponding msymbol, which is not necessarily | |
300 | true; the debug info might be much richer than the | |
301 | object's symbol table. */ | |
5c80ed9d | 302 | p = find_pc_sect_psymbol (objfile, pst, pc, section); |
95cf5869 | 303 | if (p == NULL |
02e9e7f7 TT |
304 | || (p->address (objfile) |
305 | != BMSYMBOL_VALUE_ADDRESS (msymbol))) | |
ccefe4c4 TT |
306 | goto next; |
307 | } | |
308 | ||
309 | /* We do not try to call FIND_PC_SECT_PSYMTAB_CLOSER as | |
310 | PSYMTABS_ADDRMAP we used has already the best 1-byte | |
311 | granularity and FIND_PC_SECT_PSYMTAB_CLOSER may mislead us into | |
312 | a worse chosen section due to the TEXTLOW/TEXTHIGH ranges | |
313 | overlap. */ | |
314 | ||
315 | return pst; | |
316 | } | |
317 | } | |
318 | ||
319 | next: | |
320 | ||
321 | /* Existing PSYMTABS_ADDRMAP mapping is present even for PARTIAL_SYMTABs | |
322 | which still have no corresponding full SYMTABs read. But it is not | |
323 | present for non-DWARF2 debug infos not supporting PSYMTABS_ADDRMAP in GDB | |
324 | so far. */ | |
325 | ||
326 | /* Check even OBJFILE with non-zero PSYMTABS_ADDRMAP as only several of | |
327 | its CUs may be missing in PSYMTABS_ADDRMAP as they may be varying | |
328 | debug info type in single OBJFILE. */ | |
329 | ||
b22a7c6a | 330 | for (partial_symtab *pst : require_partial_symbols (objfile, 1)) |
9750bca9 | 331 | if (!pst->psymtabs_addrmap_supported |
79748972 | 332 | && pc >= pst->text_low (objfile) && pc < pst->text_high (objfile)) |
ccefe4c4 TT |
333 | { |
334 | struct partial_symtab *best_pst; | |
335 | ||
5c80ed9d TT |
336 | best_pst = find_pc_sect_psymtab_closer (objfile, pc, section, pst, |
337 | msymbol); | |
ccefe4c4 TT |
338 | if (best_pst != NULL) |
339 | return best_pst; | |
340 | } | |
341 | ||
342 | return NULL; | |
343 | } | |
344 | ||
95cf5869 DE |
345 | /* Psymtab version of find_pc_sect_compunit_symtab. See its definition in |
346 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 347 | |
43f3e411 | 348 | static struct compunit_symtab * |
83827540 DE |
349 | psym_find_pc_sect_compunit_symtab (struct objfile *objfile, |
350 | struct bound_minimal_symbol msymbol, | |
351 | CORE_ADDR pc, | |
352 | struct obj_section *section, | |
353 | int warn_if_readin) | |
ccefe4c4 TT |
354 | { |
355 | struct partial_symtab *ps = find_pc_sect_psymtab (objfile, pc, section, | |
356 | msymbol); | |
95cf5869 | 357 | if (ps != NULL) |
ccefe4c4 TT |
358 | { |
359 | if (warn_if_readin && ps->readin) | |
360 | /* Might want to error() here (in case symtab is corrupt and | |
361 | will cause a core dump), but maybe we can successfully | |
362 | continue, so let's not. */ | |
363 | warning (_("\ | |
364 | (Internal error: pc %s in read in psymtab, but not in symtab.)\n"), | |
5c80ed9d TT |
365 | paddress (get_objfile_arch (objfile), pc)); |
366 | psymtab_to_symtab (objfile, ps); | |
43f3e411 | 367 | return ps->compunit_symtab; |
ccefe4c4 TT |
368 | } |
369 | return NULL; | |
370 | } | |
371 | ||
372 | /* Find which partial symbol within a psymtab matches PC and SECTION. | |
95cf5869 | 373 | Return NULL if none. */ |
ccefe4c4 TT |
374 | |
375 | static struct partial_symbol * | |
5c80ed9d TT |
376 | find_pc_sect_psymbol (struct objfile *objfile, |
377 | struct partial_symtab *psymtab, CORE_ADDR pc, | |
ccefe4c4 TT |
378 | struct obj_section *section) |
379 | { | |
af5bf4ad | 380 | struct partial_symbol *best = NULL; |
ccefe4c4 | 381 | CORE_ADDR best_pc; |
79748972 | 382 | const CORE_ADDR textlow = psymtab->text_low (objfile); |
ccefe4c4 TT |
383 | |
384 | gdb_assert (psymtab != NULL); | |
385 | ||
0df8b418 | 386 | /* Cope with programs that start at address 0. */ |
79748972 | 387 | best_pc = (textlow != 0) ? textlow - 1 : 0; |
ccefe4c4 TT |
388 | |
389 | /* Search the global symbols as well as the static symbols, so that | |
390 | find_pc_partial_function doesn't use a minimal symbol and thus | |
391 | cache a bad endaddr. */ | |
af5bf4ad | 392 | for (int i = 0; i < psymtab->n_global_syms; i++) |
ccefe4c4 | 393 | { |
af5bf4ad SM |
394 | partial_symbol *p = objfile->global_psymbols[psymtab->globals_offset + i]; |
395 | ||
8a6d4234 TT |
396 | if (p->domain == VAR_DOMAIN |
397 | && p->aclass == LOC_BLOCK | |
02e9e7f7 TT |
398 | && pc >= p->address (objfile) |
399 | && (p->address (objfile) > best_pc | |
79748972 | 400 | || (psymtab->text_low (objfile) == 0 |
02e9e7f7 | 401 | && best_pc == 0 && p->address (objfile) == 0))) |
ccefe4c4 | 402 | { |
95cf5869 | 403 | if (section != NULL) /* Match on a specific section. */ |
ccefe4c4 | 404 | { |
8a6d4234 | 405 | if (!matching_obj_sections (p->obj_section (objfile), |
e27d198c | 406 | section)) |
ccefe4c4 TT |
407 | continue; |
408 | } | |
02e9e7f7 | 409 | best_pc = p->address (objfile); |
ccefe4c4 TT |
410 | best = p; |
411 | } | |
412 | } | |
413 | ||
af5bf4ad | 414 | for (int i = 0; i < psymtab->n_static_syms; i++) |
ccefe4c4 | 415 | { |
af5bf4ad SM |
416 | partial_symbol *p = objfile->static_psymbols[psymtab->statics_offset + i]; |
417 | ||
8a6d4234 TT |
418 | if (p->domain == VAR_DOMAIN |
419 | && p->aclass == LOC_BLOCK | |
02e9e7f7 TT |
420 | && pc >= p->address (objfile) |
421 | && (p->address (objfile) > best_pc | |
79748972 | 422 | || (psymtab->text_low (objfile) == 0 |
02e9e7f7 | 423 | && best_pc == 0 && p->address (objfile) == 0))) |
ccefe4c4 | 424 | { |
95cf5869 | 425 | if (section != NULL) /* Match on a specific section. */ |
ccefe4c4 | 426 | { |
8a6d4234 | 427 | if (!matching_obj_sections (p->obj_section (objfile), |
e27d198c | 428 | section)) |
ccefe4c4 TT |
429 | continue; |
430 | } | |
02e9e7f7 | 431 | best_pc = p->address (objfile); |
ccefe4c4 TT |
432 | best = p; |
433 | } | |
434 | } | |
435 | ||
436 | return best; | |
437 | } | |
438 | ||
95cf5869 DE |
439 | /* Psymtab version of lookup_symbol. See its definition in |
440 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 441 | |
43f3e411 | 442 | static struct compunit_symtab * |
83827540 DE |
443 | psym_lookup_symbol (struct objfile *objfile, |
444 | int block_index, const char *name, | |
445 | const domain_enum domain) | |
ccefe4c4 | 446 | { |
ccefe4c4 | 447 | const int psymtab_index = (block_index == GLOBAL_BLOCK ? 1 : 0); |
43f3e411 | 448 | struct compunit_symtab *stab_best = NULL; |
ccefe4c4 | 449 | |
b5ec771e PA |
450 | lookup_name_info lookup_name (name, symbol_name_match_type::FULL); |
451 | ||
b22a7c6a TT |
452 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
453 | { | |
454 | if (!ps->readin && lookup_partial_symbol (objfile, ps, name, | |
455 | psymtab_index, domain)) | |
456 | { | |
457 | struct symbol *sym, *with_opaque = NULL; | |
458 | struct compunit_symtab *stab = psymtab_to_symtab (objfile, ps); | |
459 | /* Note: While psymtab_to_symtab can return NULL if the | |
460 | partial symtab is empty, we can assume it won't here | |
461 | because lookup_partial_symbol succeeded. */ | |
462 | const struct blockvector *bv = COMPUNIT_BLOCKVECTOR (stab); | |
463 | struct block *block = BLOCKVECTOR_BLOCK (bv, block_index); | |
464 | ||
465 | sym = block_find_symbol (block, name, domain, | |
466 | block_find_non_opaque_type_preferred, | |
467 | &with_opaque); | |
468 | ||
469 | /* Some caution must be observed with overloaded functions | |
470 | and methods, since the index will not contain any overload | |
471 | information (but NAME might contain it). */ | |
472 | ||
473 | if (sym != NULL | |
474 | && SYMBOL_MATCHES_SEARCH_NAME (sym, lookup_name)) | |
475 | return stab; | |
476 | if (with_opaque != NULL | |
477 | && SYMBOL_MATCHES_SEARCH_NAME (with_opaque, lookup_name)) | |
478 | stab_best = stab; | |
479 | ||
480 | /* Keep looking through other psymtabs. */ | |
481 | } | |
482 | } | |
ccefe4c4 | 483 | |
bfb05775 | 484 | return stab_best; |
ccefe4c4 TT |
485 | } |
486 | ||
b5ec771e PA |
487 | /* Returns true if PSYM matches LOOKUP_NAME. */ |
488 | ||
489 | static bool | |
490 | psymbol_name_matches (partial_symbol *psym, | |
491 | const lookup_name_info &lookup_name) | |
492 | { | |
8a6d4234 | 493 | const language_defn *lang = language_def (psym->language); |
b5ec771e | 494 | symbol_name_matcher_ftype *name_match |
618daa93 | 495 | = get_symbol_name_matcher (lang, lookup_name); |
8a6d4234 | 496 | return name_match (symbol_search_name (psym), lookup_name, NULL); |
b5ec771e PA |
497 | } |
498 | ||
40658b94 PH |
499 | /* Look in PST for a symbol in DOMAIN whose name matches NAME. Search |
500 | the global block of PST if GLOBAL, and otherwise the static block. | |
501 | MATCH is the comparison operation that returns true iff MATCH (s, | |
502 | NAME), where s is a SYMBOL_SEARCH_NAME. If ORDERED_COMPARE is | |
503 | non-null, the symbols in the block are assumed to be ordered | |
504 | according to it (allowing binary search). It must be compatible | |
505 | with MATCH. Returns the symbol, if found, and otherwise NULL. */ | |
506 | ||
507 | static struct partial_symbol * | |
5c80ed9d TT |
508 | match_partial_symbol (struct objfile *objfile, |
509 | struct partial_symtab *pst, int global, | |
40658b94 | 510 | const char *name, domain_enum domain, |
b5ec771e | 511 | symbol_name_match_type match_type, |
2edb89d3 | 512 | symbol_compare_ftype *ordered_compare) |
40658b94 PH |
513 | { |
514 | struct partial_symbol **start, **psym; | |
515 | struct partial_symbol **top, **real_top, **bottom, **center; | |
516 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
517 | int do_linear_search = 1; | |
518 | ||
519 | if (length == 0) | |
b5ec771e PA |
520 | return NULL; |
521 | ||
522 | lookup_name_info lookup_name (name, match_type); | |
523 | ||
40658b94 | 524 | start = (global ? |
af5bf4ad SM |
525 | &objfile->global_psymbols[pst->globals_offset] : |
526 | &objfile->static_psymbols[pst->statics_offset]); | |
40658b94 PH |
527 | |
528 | if (global && ordered_compare) /* Can use a binary search. */ | |
529 | { | |
530 | do_linear_search = 0; | |
531 | ||
532 | /* Binary search. This search is guaranteed to end with center | |
533 | pointing at the earliest partial symbol whose name might be | |
534 | correct. At that point *all* partial symbols with an | |
535 | appropriate name will be checked against the correct | |
536 | domain. */ | |
537 | ||
538 | bottom = start; | |
539 | top = start + length - 1; | |
540 | real_top = top; | |
541 | while (top > bottom) | |
542 | { | |
543 | center = bottom + (top - bottom) / 2; | |
544 | gdb_assert (center < top); | |
b5ec771e | 545 | |
8a6d4234 | 546 | enum language lang = (*center)->language; |
b5ec771e PA |
547 | const char *lang_ln |
548 | = lookup_name.language_lookup_name (lang).c_str (); | |
549 | ||
8a6d4234 | 550 | if (ordered_compare (symbol_search_name (*center), lang_ln) >= 0) |
40658b94 PH |
551 | top = center; |
552 | else | |
553 | bottom = center + 1; | |
554 | } | |
555 | gdb_assert (top == bottom); | |
556 | ||
557 | while (top <= real_top | |
b5ec771e | 558 | && psymbol_name_matches (*top, lookup_name)) |
40658b94 | 559 | { |
8a6d4234 TT |
560 | if (symbol_matches_domain ((*top)->language, |
561 | (*top)->domain, domain)) | |
40658b94 PH |
562 | return *top; |
563 | top++; | |
564 | } | |
565 | } | |
566 | ||
567 | /* Can't use a binary search or else we found during the binary search that | |
568 | we should also do a linear search. */ | |
569 | ||
570 | if (do_linear_search) | |
571 | { | |
572 | for (psym = start; psym < start + length; psym++) | |
573 | { | |
8a6d4234 TT |
574 | if (symbol_matches_domain ((*psym)->language, |
575 | (*psym)->domain, domain) | |
b5ec771e | 576 | && psymbol_name_matches (*psym, lookup_name)) |
40658b94 PH |
577 | return *psym; |
578 | } | |
579 | } | |
580 | ||
581 | return NULL; | |
582 | } | |
583 | ||
c00f8484 KS |
584 | /* Returns the name used to search psymtabs. Unlike symtabs, psymtabs do |
585 | not contain any method/function instance information (since this would | |
586 | force reading type information while reading psymtabs). Therefore, | |
587 | if NAME contains overload information, it must be stripped before searching | |
109483d9 | 588 | psymtabs. */ |
c00f8484 | 589 | |
56f37645 | 590 | static gdb::unique_xmalloc_ptr<char> |
c00f8484 KS |
591 | psymtab_search_name (const char *name) |
592 | { | |
593 | switch (current_language->la_language) | |
594 | { | |
595 | case language_cplus: | |
c00f8484 | 596 | { |
b2a919a8 DE |
597 | if (strchr (name, '(')) |
598 | { | |
109483d9 | 599 | gdb::unique_xmalloc_ptr<char> ret = cp_remove_params (name); |
c00f8484 | 600 | |
b2a919a8 | 601 | if (ret) |
109483d9 | 602 | return ret; |
b2a919a8 | 603 | } |
c00f8484 KS |
604 | } |
605 | break; | |
606 | ||
607 | default: | |
608 | break; | |
609 | } | |
610 | ||
56f37645 | 611 | return gdb::unique_xmalloc_ptr<char> (xstrdup (name)); |
c00f8484 KS |
612 | } |
613 | ||
ccefe4c4 | 614 | /* Look, in partial_symtab PST, for symbol whose natural name is NAME. |
40658b94 | 615 | Check the global symbols if GLOBAL, the static symbols if not. */ |
ccefe4c4 | 616 | |
18430289 | 617 | static struct partial_symbol * |
5c80ed9d TT |
618 | lookup_partial_symbol (struct objfile *objfile, |
619 | struct partial_symtab *pst, const char *name, | |
ccefe4c4 TT |
620 | int global, domain_enum domain) |
621 | { | |
ccefe4c4 TT |
622 | struct partial_symbol **start, **psym; |
623 | struct partial_symbol **top, **real_top, **bottom, **center; | |
624 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
625 | int do_linear_search = 1; | |
626 | ||
627 | if (length == 0) | |
95cf5869 | 628 | return NULL; |
c00f8484 | 629 | |
56f37645 | 630 | gdb::unique_xmalloc_ptr<char> search_name = psymtab_search_name (name); |
b5ec771e PA |
631 | |
632 | lookup_name_info lookup_name (search_name.get (), symbol_name_match_type::FULL); | |
633 | ||
ccefe4c4 | 634 | start = (global ? |
af5bf4ad SM |
635 | &objfile->global_psymbols[pst->globals_offset] : |
636 | &objfile->static_psymbols[pst->statics_offset]); | |
ccefe4c4 | 637 | |
0df8b418 | 638 | if (global) /* This means we can use a binary search. */ |
ccefe4c4 TT |
639 | { |
640 | do_linear_search = 0; | |
641 | ||
642 | /* Binary search. This search is guaranteed to end with center | |
643 | pointing at the earliest partial symbol whose name might be | |
644 | correct. At that point *all* partial symbols with an | |
645 | appropriate name will be checked against the correct | |
646 | domain. */ | |
647 | ||
648 | bottom = start; | |
649 | top = start + length - 1; | |
650 | real_top = top; | |
651 | while (top > bottom) | |
652 | { | |
653 | center = bottom + (top - bottom) / 2; | |
654 | if (!(center < top)) | |
3e43a32a MS |
655 | internal_error (__FILE__, __LINE__, |
656 | _("failed internal consistency check")); | |
8a6d4234 | 657 | if (strcmp_iw_ordered (symbol_search_name (*center), |
56f37645 | 658 | search_name.get ()) >= 0) |
ccefe4c4 TT |
659 | { |
660 | top = center; | |
661 | } | |
662 | else | |
663 | { | |
664 | bottom = center + 1; | |
665 | } | |
666 | } | |
667 | if (!(top == bottom)) | |
3e43a32a MS |
668 | internal_error (__FILE__, __LINE__, |
669 | _("failed internal consistency check")); | |
ccefe4c4 | 670 | |
559a7a62 JK |
671 | /* For `case_sensitivity == case_sensitive_off' strcmp_iw_ordered will |
672 | search more exactly than what matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
8a6d4234 | 673 | while (top >= start && symbol_matches_search_name (*top, lookup_name)) |
559a7a62 JK |
674 | top--; |
675 | ||
676 | /* Fixup to have a symbol which matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
677 | top++; | |
678 | ||
8a6d4234 | 679 | while (top <= real_top && symbol_matches_search_name (*top, lookup_name)) |
ccefe4c4 | 680 | { |
8a6d4234 TT |
681 | if (symbol_matches_domain ((*top)->language, |
682 | (*top)->domain, domain)) | |
56f37645 | 683 | return *top; |
ccefe4c4 TT |
684 | top++; |
685 | } | |
686 | } | |
687 | ||
688 | /* Can't use a binary search or else we found during the binary search that | |
40658b94 | 689 | we should also do a linear search. */ |
ccefe4c4 TT |
690 | |
691 | if (do_linear_search) | |
692 | { | |
693 | for (psym = start; psym < start + length; psym++) | |
694 | { | |
8a6d4234 TT |
695 | if (symbol_matches_domain ((*psym)->language, |
696 | (*psym)->domain, domain) | |
697 | && symbol_matches_search_name (*psym, lookup_name)) | |
56f37645 | 698 | return *psym; |
ccefe4c4 TT |
699 | } |
700 | } | |
701 | ||
95cf5869 | 702 | return NULL; |
ccefe4c4 TT |
703 | } |
704 | ||
705 | /* Get the symbol table that corresponds to a partial_symtab. | |
f194fefb DE |
706 | This is fast after the first time you do it. |
707 | The result will be NULL if the primary symtab has no symbols, | |
708 | which can happen. Otherwise the result is the primary symtab | |
709 | that contains PST. */ | |
ccefe4c4 | 710 | |
43f3e411 | 711 | static struct compunit_symtab * |
5c80ed9d | 712 | psymtab_to_symtab (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 713 | { |
9439a077 TT |
714 | /* If it is a shared psymtab, find an unshared psymtab that includes |
715 | it. Any such psymtab will do. */ | |
716 | while (pst->user != NULL) | |
717 | pst = pst->user; | |
718 | ||
0df8b418 | 719 | /* If it's been looked up before, return it. */ |
43f3e411 DE |
720 | if (pst->compunit_symtab) |
721 | return pst->compunit_symtab; | |
ccefe4c4 TT |
722 | |
723 | /* If it has not yet been read in, read it. */ | |
724 | if (!pst->readin) | |
725 | { | |
c83dd867 | 726 | scoped_restore decrementer = increment_reading_symtab (); |
ad3bbd48 | 727 | |
257e7a09 | 728 | (*pst->read_symtab) (pst, objfile); |
ccefe4c4 TT |
729 | } |
730 | ||
43f3e411 | 731 | return pst->compunit_symtab; |
ccefe4c4 TT |
732 | } |
733 | ||
95cf5869 DE |
734 | /* Psymtab version of find_last_source_symtab. See its definition in |
735 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 736 | |
ccefe4c4 | 737 | static struct symtab * |
83827540 | 738 | psym_find_last_source_symtab (struct objfile *ofp) |
ccefe4c4 | 739 | { |
95cf5869 | 740 | struct partial_symtab *cs_pst = NULL; |
ccefe4c4 | 741 | |
b22a7c6a | 742 | for (partial_symtab *ps : require_partial_symbols (ofp, 1)) |
ccefe4c4 TT |
743 | { |
744 | const char *name = ps->filename; | |
745 | int len = strlen (name); | |
ad3bbd48 | 746 | |
ccefe4c4 TT |
747 | if (!(len > 2 && (strcmp (&name[len - 2], ".h") == 0 |
748 | || strcmp (name, "<<C++-namespaces>>") == 0))) | |
749 | cs_pst = ps; | |
750 | } | |
751 | ||
752 | if (cs_pst) | |
753 | { | |
754 | if (cs_pst->readin) | |
755 | { | |
756 | internal_error (__FILE__, __LINE__, | |
757 | _("select_source_symtab: " | |
758 | "readin pst found and no symtabs.")); | |
759 | } | |
760 | else | |
43f3e411 DE |
761 | { |
762 | struct compunit_symtab *cust = psymtab_to_symtab (ofp, cs_pst); | |
763 | ||
764 | if (cust == NULL) | |
765 | return NULL; | |
766 | return compunit_primary_filetab (cust); | |
767 | } | |
ccefe4c4 TT |
768 | } |
769 | return NULL; | |
770 | } | |
771 | ||
95cf5869 DE |
772 | /* Psymtab version of forget_cached_source_info. See its definition in |
773 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 774 | |
ccefe4c4 | 775 | static void |
83827540 | 776 | psym_forget_cached_source_info (struct objfile *objfile) |
ccefe4c4 | 777 | { |
b22a7c6a | 778 | for (partial_symtab *pst : require_partial_symbols (objfile, 1)) |
ccefe4c4 TT |
779 | { |
780 | if (pst->fullname != NULL) | |
781 | { | |
782 | xfree (pst->fullname); | |
783 | pst->fullname = NULL; | |
784 | } | |
785 | } | |
786 | } | |
787 | ||
788 | static void | |
02e9e7f7 | 789 | print_partial_symbols (struct gdbarch *gdbarch, struct objfile *objfile, |
a121b7c1 | 790 | struct partial_symbol **p, int count, const char *what, |
ccefe4c4 TT |
791 | struct ui_file *outfile) |
792 | { | |
793 | fprintf_filtered (outfile, " %s partial symbols:\n", what); | |
794 | while (count-- > 0) | |
795 | { | |
27618ce4 | 796 | QUIT; |
8a6d4234 TT |
797 | fprintf_filtered (outfile, " `%s'", (*p)->name); |
798 | if (symbol_demangled_name (*p) != NULL) | |
ccefe4c4 | 799 | { |
8a6d4234 | 800 | fprintf_filtered (outfile, " `%s'", symbol_demangled_name (*p)); |
ccefe4c4 TT |
801 | } |
802 | fputs_filtered (", ", outfile); | |
8a6d4234 | 803 | switch ((*p)->domain) |
ccefe4c4 TT |
804 | { |
805 | case UNDEF_DOMAIN: | |
806 | fputs_filtered ("undefined domain, ", outfile); | |
807 | break; | |
808 | case VAR_DOMAIN: | |
0df8b418 | 809 | /* This is the usual thing -- don't print it. */ |
ccefe4c4 TT |
810 | break; |
811 | case STRUCT_DOMAIN: | |
812 | fputs_filtered ("struct domain, ", outfile); | |
813 | break; | |
814 | case LABEL_DOMAIN: | |
815 | fputs_filtered ("label domain, ", outfile); | |
816 | break; | |
817 | default: | |
818 | fputs_filtered ("<invalid domain>, ", outfile); | |
819 | break; | |
820 | } | |
8a6d4234 | 821 | switch ((*p)->aclass) |
ccefe4c4 TT |
822 | { |
823 | case LOC_UNDEF: | |
824 | fputs_filtered ("undefined", outfile); | |
825 | break; | |
826 | case LOC_CONST: | |
827 | fputs_filtered ("constant int", outfile); | |
828 | break; | |
829 | case LOC_STATIC: | |
830 | fputs_filtered ("static", outfile); | |
831 | break; | |
832 | case LOC_REGISTER: | |
833 | fputs_filtered ("register", outfile); | |
834 | break; | |
835 | case LOC_ARG: | |
836 | fputs_filtered ("pass by value", outfile); | |
837 | break; | |
838 | case LOC_REF_ARG: | |
839 | fputs_filtered ("pass by reference", outfile); | |
840 | break; | |
841 | case LOC_REGPARM_ADDR: | |
842 | fputs_filtered ("register address parameter", outfile); | |
843 | break; | |
844 | case LOC_LOCAL: | |
845 | fputs_filtered ("stack parameter", outfile); | |
846 | break; | |
847 | case LOC_TYPEDEF: | |
848 | fputs_filtered ("type", outfile); | |
849 | break; | |
850 | case LOC_LABEL: | |
851 | fputs_filtered ("label", outfile); | |
852 | break; | |
853 | case LOC_BLOCK: | |
854 | fputs_filtered ("function", outfile); | |
855 | break; | |
856 | case LOC_CONST_BYTES: | |
857 | fputs_filtered ("constant bytes", outfile); | |
858 | break; | |
859 | case LOC_UNRESOLVED: | |
860 | fputs_filtered ("unresolved", outfile); | |
861 | break; | |
862 | case LOC_OPTIMIZED_OUT: | |
863 | fputs_filtered ("optimized out", outfile); | |
864 | break; | |
865 | case LOC_COMPUTED: | |
866 | fputs_filtered ("computed at runtime", outfile); | |
867 | break; | |
868 | default: | |
869 | fputs_filtered ("<invalid location>", outfile); | |
870 | break; | |
871 | } | |
872 | fputs_filtered (", ", outfile); | |
02e9e7f7 | 873 | fputs_filtered (paddress (gdbarch, (*p)->unrelocated_address ()), outfile); |
ccefe4c4 TT |
874 | fprintf_filtered (outfile, "\n"); |
875 | p++; | |
876 | } | |
877 | } | |
878 | ||
879 | static void | |
880 | dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab, | |
881 | struct ui_file *outfile) | |
882 | { | |
883 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
884 | int i; | |
885 | ||
b4c41fc7 DE |
886 | if (psymtab->anonymous) |
887 | { | |
888 | fprintf_filtered (outfile, "\nAnonymous partial symtab (%s) ", | |
889 | psymtab->filename); | |
890 | } | |
891 | else | |
892 | { | |
893 | fprintf_filtered (outfile, "\nPartial symtab for source file %s ", | |
894 | psymtab->filename); | |
895 | } | |
ccefe4c4 TT |
896 | fprintf_filtered (outfile, "(object "); |
897 | gdb_print_host_address (psymtab, outfile); | |
898 | fprintf_filtered (outfile, ")\n\n"); | |
22068491 TT |
899 | fprintf_filtered (outfile, " Read from object file %s (", |
900 | objfile_name (objfile)); | |
ccefe4c4 | 901 | gdb_print_host_address (objfile, outfile); |
22068491 | 902 | fprintf_filtered (outfile, ")\n"); |
ccefe4c4 TT |
903 | |
904 | if (psymtab->readin) | |
905 | { | |
906 | fprintf_filtered (outfile, | |
907 | " Full symtab was read (at "); | |
43f3e411 | 908 | gdb_print_host_address (psymtab->compunit_symtab, outfile); |
ccefe4c4 TT |
909 | fprintf_filtered (outfile, " by function at "); |
910 | gdb_print_host_address (psymtab->read_symtab, outfile); | |
911 | fprintf_filtered (outfile, ")\n"); | |
912 | } | |
913 | ||
ccefe4c4 | 914 | fprintf_filtered (outfile, " Symbols cover text addresses "); |
79748972 | 915 | fputs_filtered (paddress (gdbarch, psymtab->text_low (objfile)), outfile); |
ccefe4c4 | 916 | fprintf_filtered (outfile, "-"); |
79748972 | 917 | fputs_filtered (paddress (gdbarch, psymtab->text_high (objfile)), outfile); |
ccefe4c4 | 918 | fprintf_filtered (outfile, "\n"); |
9750bca9 JK |
919 | fprintf_filtered (outfile, " Address map supported - %s.\n", |
920 | psymtab->psymtabs_addrmap_supported ? "yes" : "no"); | |
ccefe4c4 TT |
921 | fprintf_filtered (outfile, " Depends on %d other partial symtabs.\n", |
922 | psymtab->number_of_dependencies); | |
923 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
924 | { | |
925 | fprintf_filtered (outfile, " %d ", i); | |
926 | gdb_print_host_address (psymtab->dependencies[i], outfile); | |
927 | fprintf_filtered (outfile, " %s\n", | |
928 | psymtab->dependencies[i]->filename); | |
929 | } | |
9439a077 TT |
930 | if (psymtab->user != NULL) |
931 | { | |
932 | fprintf_filtered (outfile, " Shared partial symtab with user "); | |
933 | gdb_print_host_address (psymtab->user, outfile); | |
934 | fprintf_filtered (outfile, "\n"); | |
935 | } | |
ccefe4c4 TT |
936 | if (psymtab->n_global_syms > 0) |
937 | { | |
02e9e7f7 | 938 | print_partial_symbols (gdbarch, objfile, |
af5bf4ad | 939 | &objfile->global_psymbols[psymtab->globals_offset], |
ccefe4c4 TT |
940 | psymtab->n_global_syms, "Global", outfile); |
941 | } | |
942 | if (psymtab->n_static_syms > 0) | |
943 | { | |
02e9e7f7 | 944 | print_partial_symbols (gdbarch, objfile, |
af5bf4ad | 945 | &objfile->static_psymbols[psymtab->statics_offset], |
ccefe4c4 TT |
946 | psymtab->n_static_syms, "Static", outfile); |
947 | } | |
948 | fprintf_filtered (outfile, "\n"); | |
949 | } | |
950 | ||
95cf5869 DE |
951 | /* Psymtab version of print_stats. See its definition in |
952 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 953 | |
ccefe4c4 | 954 | static void |
83827540 | 955 | psym_print_stats (struct objfile *objfile) |
ccefe4c4 TT |
956 | { |
957 | int i; | |
ad3bbd48 | 958 | |
ccefe4c4 | 959 | i = 0; |
b22a7c6a | 960 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
ccefe4c4 TT |
961 | { |
962 | if (ps->readin == 0) | |
963 | i++; | |
964 | } | |
965 | printf_filtered (_(" Number of psym tables (not yet expanded): %d\n"), i); | |
966 | } | |
967 | ||
95cf5869 DE |
968 | /* Psymtab version of dump. See its definition in |
969 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 970 | |
ccefe4c4 | 971 | static void |
83827540 | 972 | psym_dump (struct objfile *objfile) |
ccefe4c4 TT |
973 | { |
974 | struct partial_symtab *psymtab; | |
975 | ||
976 | if (objfile->psymtabs) | |
977 | { | |
978 | printf_filtered ("Psymtabs:\n"); | |
979 | for (psymtab = objfile->psymtabs; | |
980 | psymtab != NULL; | |
981 | psymtab = psymtab->next) | |
982 | { | |
983 | printf_filtered ("%s at ", | |
984 | psymtab->filename); | |
985 | gdb_print_host_address (psymtab, gdb_stdout); | |
986 | printf_filtered (", "); | |
ccefe4c4 TT |
987 | wrap_here (" "); |
988 | } | |
989 | printf_filtered ("\n\n"); | |
990 | } | |
991 | } | |
992 | ||
95cf5869 DE |
993 | /* Psymtab version of expand_symtabs_for_function. See its definition in |
994 | the definition of quick_symbol_functions in symfile.h. */ | |
ccefe4c4 TT |
995 | |
996 | static void | |
83827540 DE |
997 | psym_expand_symtabs_for_function (struct objfile *objfile, |
998 | const char *func_name) | |
ccefe4c4 | 999 | { |
b22a7c6a TT |
1000 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
1001 | { | |
1002 | if (ps->readin) | |
1003 | continue; | |
ccefe4c4 | 1004 | |
b22a7c6a TT |
1005 | if ((lookup_partial_symbol (objfile, ps, func_name, 1, VAR_DOMAIN) |
1006 | != NULL) | |
1007 | || (lookup_partial_symbol (objfile, ps, func_name, 0, VAR_DOMAIN) | |
1008 | != NULL)) | |
1009 | psymtab_to_symtab (objfile, ps); | |
1010 | } | |
ccefe4c4 TT |
1011 | } |
1012 | ||
95cf5869 DE |
1013 | /* Psymtab version of expand_all_symtabs. See its definition in |
1014 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1015 | |
ccefe4c4 | 1016 | static void |
83827540 | 1017 | psym_expand_all_symtabs (struct objfile *objfile) |
ccefe4c4 | 1018 | { |
b22a7c6a TT |
1019 | for (partial_symtab *psymtab : require_partial_symbols (objfile, 1)) |
1020 | psymtab_to_symtab (objfile, psymtab); | |
ccefe4c4 TT |
1021 | } |
1022 | ||
95cf5869 DE |
1023 | /* Psymtab version of expand_symtabs_with_fullname. See its definition in |
1024 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1025 | |
ccefe4c4 | 1026 | static void |
83827540 DE |
1027 | psym_expand_symtabs_with_fullname (struct objfile *objfile, |
1028 | const char *fullname) | |
ccefe4c4 | 1029 | { |
b22a7c6a | 1030 | for (partial_symtab *p : require_partial_symbols (objfile, 1)) |
ccefe4c4 | 1031 | { |
b4c41fc7 DE |
1032 | /* Anonymous psymtabs don't have a name of a source file. */ |
1033 | if (p->anonymous) | |
1034 | continue; | |
1035 | ||
5ff888ce DE |
1036 | /* psymtab_to_fullname tries to open the file which is slow. |
1037 | Don't call it if we know the basenames don't match. */ | |
1038 | if ((basenames_may_differ | |
1039 | || filename_cmp (lbasename (fullname), lbasename (p->filename)) == 0) | |
1040 | && filename_cmp (fullname, psymtab_to_fullname (p)) == 0) | |
5c80ed9d | 1041 | psymtab_to_symtab (objfile, p); |
ccefe4c4 TT |
1042 | } |
1043 | } | |
1044 | ||
95cf5869 DE |
1045 | /* Psymtab version of map_symbol_filenames. See its definition in |
1046 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1047 | |
ccefe4c4 | 1048 | static void |
83827540 DE |
1049 | psym_map_symbol_filenames (struct objfile *objfile, |
1050 | symbol_filename_ftype *fun, void *data, | |
1051 | int need_fullname) | |
ccefe4c4 | 1052 | { |
b22a7c6a | 1053 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
ccefe4c4 TT |
1054 | { |
1055 | const char *fullname; | |
1056 | ||
1057 | if (ps->readin) | |
1058 | continue; | |
1059 | ||
f80c6f3f DE |
1060 | /* We can skip shared psymtabs here, because any file name will be |
1061 | attached to the unshared psymtab. */ | |
1062 | if (ps->user != NULL) | |
1063 | continue; | |
1064 | ||
b4c41fc7 DE |
1065 | /* Anonymous psymtabs don't have a file name. */ |
1066 | if (ps->anonymous) | |
1067 | continue; | |
1068 | ||
821296b7 | 1069 | QUIT; |
74e2f255 DE |
1070 | if (need_fullname) |
1071 | fullname = psymtab_to_fullname (ps); | |
1072 | else | |
1073 | fullname = NULL; | |
2837d59e | 1074 | (*fun) (ps->filename, fullname, data); |
ccefe4c4 TT |
1075 | } |
1076 | } | |
1077 | ||
ccefe4c4 TT |
1078 | /* Finds the fullname that a partial_symtab represents. |
1079 | ||
1080 | If this functions finds the fullname, it will save it in ps->fullname | |
1081 | and it will also return the value. | |
1082 | ||
1083 | If this function fails to find the file that this partial_symtab represents, | |
1084 | NULL will be returned and ps->fullname will be set to NULL. */ | |
256f06f3 | 1085 | |
da5132d3 | 1086 | static const char * |
ccefe4c4 TT |
1087 | psymtab_to_fullname (struct partial_symtab *ps) |
1088 | { | |
fbd9ab74 | 1089 | gdb_assert (!ps->anonymous); |
ccefe4c4 | 1090 | |
256f06f3 DE |
1091 | /* Use cached copy if we have it. |
1092 | We rely on forget_cached_source_info being called appropriately | |
1093 | to handle cases like the file being moved. */ | |
fbd9ab74 JK |
1094 | if (ps->fullname == NULL) |
1095 | { | |
e0cc99a6 | 1096 | gdb::unique_xmalloc_ptr<char> fullname; |
2179fbc3 TT |
1097 | scoped_fd fd = find_and_open_source (ps->filename, ps->dirname, |
1098 | &fullname); | |
e0cc99a6 | 1099 | ps->fullname = fullname.release (); |
256f06f3 | 1100 | |
2179fbc3 | 1101 | if (fd.get () < 0) |
fbd9ab74 | 1102 | { |
fbd9ab74 JK |
1103 | /* rewrite_source_path would be applied by find_and_open_source, we |
1104 | should report the pathname where GDB tried to find the file. */ | |
ccefe4c4 | 1105 | |
fbd9ab74 | 1106 | if (ps->dirname == NULL || IS_ABSOLUTE_PATH (ps->filename)) |
0b581c69 | 1107 | fullname.reset (xstrdup (ps->filename)); |
fbd9ab74 | 1108 | else |
0b581c69 TT |
1109 | fullname.reset (concat (ps->dirname, SLASH_STRING, |
1110 | ps->filename, (char *) NULL)); | |
fbd9ab74 | 1111 | |
0b581c69 | 1112 | ps->fullname = rewrite_source_path (fullname.get ()).release (); |
fbd9ab74 | 1113 | if (ps->fullname == NULL) |
0b581c69 | 1114 | ps->fullname = fullname.release (); |
fbd9ab74 | 1115 | } |
95cf5869 | 1116 | } |
fbd9ab74 JK |
1117 | |
1118 | return ps->fullname; | |
ccefe4c4 TT |
1119 | } |
1120 | ||
95cf5869 DE |
1121 | /* For all symbols, s, in BLOCK that are in DOMAIN and match NAME |
1122 | according to the function MATCH, call CALLBACK(BLOCK, s, DATA). | |
1123 | BLOCK is assumed to come from OBJFILE. Returns 1 iff CALLBACK | |
1124 | ever returns non-zero, and otherwise returns 0. */ | |
ccefe4c4 | 1125 | |
40658b94 | 1126 | static int |
fe978cb0 | 1127 | map_block (const char *name, domain_enum domain, struct objfile *objfile, |
40658b94 PH |
1128 | struct block *block, |
1129 | int (*callback) (struct block *, struct symbol *, void *), | |
b5ec771e | 1130 | void *data, symbol_name_match_type match) |
ccefe4c4 | 1131 | { |
8157b174 | 1132 | struct block_iterator iter; |
40658b94 | 1133 | struct symbol *sym; |
ccefe4c4 | 1134 | |
b5ec771e PA |
1135 | lookup_name_info lookup_name (name, match); |
1136 | ||
1137 | for (sym = block_iter_match_first (block, lookup_name, &iter); | |
1138 | sym != NULL; | |
1139 | sym = block_iter_match_next (lookup_name, &iter)) | |
ccefe4c4 | 1140 | { |
95cf5869 | 1141 | if (symbol_matches_domain (SYMBOL_LANGUAGE (sym), |
fe978cb0 | 1142 | SYMBOL_DOMAIN (sym), domain)) |
40658b94 PH |
1143 | { |
1144 | if (callback (block, sym, data)) | |
1145 | return 1; | |
1146 | } | |
ccefe4c4 TT |
1147 | } |
1148 | ||
40658b94 | 1149 | return 0; |
ccefe4c4 TT |
1150 | } |
1151 | ||
95cf5869 DE |
1152 | /* Psymtab version of map_matching_symbols. See its definition in |
1153 | the definition of quick_symbol_functions in symfile.h. */ | |
40658b94 | 1154 | |
ccefe4c4 | 1155 | static void |
83827540 | 1156 | psym_map_matching_symbols (struct objfile *objfile, |
fe978cb0 | 1157 | const char *name, domain_enum domain, |
83827540 DE |
1158 | int global, |
1159 | int (*callback) (struct block *, | |
1160 | struct symbol *, void *), | |
1161 | void *data, | |
b5ec771e | 1162 | symbol_name_match_type match, |
83827540 | 1163 | symbol_compare_ftype *ordered_compare) |
ccefe4c4 | 1164 | { |
40658b94 | 1165 | const int block_kind = global ? GLOBAL_BLOCK : STATIC_BLOCK; |
ccefe4c4 | 1166 | |
b22a7c6a | 1167 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
ccefe4c4 TT |
1168 | { |
1169 | QUIT; | |
1170 | if (ps->readin | |
fe978cb0 | 1171 | || match_partial_symbol (objfile, ps, global, name, domain, match, |
40658b94 | 1172 | ordered_compare)) |
ccefe4c4 | 1173 | { |
43f3e411 | 1174 | struct compunit_symtab *cust = psymtab_to_symtab (objfile, ps); |
40658b94 | 1175 | struct block *block; |
ad3bbd48 | 1176 | |
43f3e411 | 1177 | if (cust == NULL) |
ccefe4c4 | 1178 | continue; |
43f3e411 | 1179 | block = BLOCKVECTOR_BLOCK (COMPUNIT_BLOCKVECTOR (cust), block_kind); |
fe978cb0 | 1180 | if (map_block (name, domain, objfile, block, |
40658b94 PH |
1181 | callback, data, match)) |
1182 | return; | |
1183 | if (callback (block, NULL, data)) | |
1184 | return; | |
ccefe4c4 TT |
1185 | } |
1186 | } | |
95cf5869 | 1187 | } |
ccefe4c4 | 1188 | |
14bc53a8 PA |
1189 | /* A helper for psym_expand_symtabs_matching that handles searching |
1190 | included psymtabs. This returns true if a symbol is found, and | |
1191 | false otherwise. It also updates the 'searched_flag' on the | |
9439a077 TT |
1192 | various psymtabs that it searches. */ |
1193 | ||
14bc53a8 PA |
1194 | static bool |
1195 | recursively_search_psymtabs | |
d2f7dcb2 JB |
1196 | (struct partial_symtab *ps, |
1197 | struct objfile *objfile, | |
1198 | enum search_domain domain, | |
b5ec771e | 1199 | const lookup_name_info &lookup_name, |
14bc53a8 | 1200 | gdb::function_view<expand_symtabs_symbol_matcher_ftype> sym_matcher) |
9439a077 | 1201 | { |
9439a077 | 1202 | int keep_going = 1; |
f486487f | 1203 | enum psymtab_search_status result = PST_SEARCHED_AND_NOT_FOUND; |
9439a077 TT |
1204 | int i; |
1205 | ||
1206 | if (ps->searched_flag != PST_NOT_SEARCHED) | |
1207 | return ps->searched_flag == PST_SEARCHED_AND_FOUND; | |
1208 | ||
1209 | /* Recurse into shared psymtabs first, because they may have already | |
1210 | been searched, and this could save some time. */ | |
1211 | for (i = 0; i < ps->number_of_dependencies; ++i) | |
1212 | { | |
1213 | int r; | |
1214 | ||
1215 | /* Skip non-shared dependencies, these are handled elsewhere. */ | |
1216 | if (ps->dependencies[i]->user == NULL) | |
1217 | continue; | |
1218 | ||
1219 | r = recursively_search_psymtabs (ps->dependencies[i], | |
b5ec771e PA |
1220 | objfile, domain, lookup_name, |
1221 | sym_matcher); | |
9439a077 TT |
1222 | if (r != 0) |
1223 | { | |
1224 | ps->searched_flag = PST_SEARCHED_AND_FOUND; | |
14bc53a8 | 1225 | return true; |
9439a077 TT |
1226 | } |
1227 | } | |
1228 | ||
af5bf4ad | 1229 | partial_symbol **gbound |
47fea877 | 1230 | = objfile->global_psymbols.data () + ps->globals_offset + ps->n_global_syms; |
af5bf4ad | 1231 | partial_symbol **sbound |
47fea877 | 1232 | = objfile->static_psymbols.data () + ps->statics_offset + ps->n_static_syms; |
af5bf4ad | 1233 | partial_symbol **bound = gbound; |
9439a077 TT |
1234 | |
1235 | /* Go through all of the symbols stored in a partial | |
1236 | symtab in one loop. */ | |
47fea877 | 1237 | partial_symbol **psym = objfile->global_psymbols.data () + ps->globals_offset; |
9439a077 TT |
1238 | while (keep_going) |
1239 | { | |
1240 | if (psym >= bound) | |
1241 | { | |
1242 | if (bound == gbound && ps->n_static_syms != 0) | |
1243 | { | |
47fea877 | 1244 | psym = objfile->static_psymbols.data () + ps->statics_offset; |
9439a077 TT |
1245 | bound = sbound; |
1246 | } | |
1247 | else | |
1248 | keep_going = 0; | |
1249 | continue; | |
1250 | } | |
1251 | else | |
1252 | { | |
1253 | QUIT; | |
1254 | ||
b5ec771e PA |
1255 | if ((domain == ALL_DOMAIN |
1256 | || (domain == VARIABLES_DOMAIN | |
8a6d4234 TT |
1257 | && (*psym)->aclass != LOC_TYPEDEF |
1258 | && (*psym)->aclass != LOC_BLOCK) | |
b5ec771e | 1259 | || (domain == FUNCTIONS_DOMAIN |
8a6d4234 | 1260 | && (*psym)->aclass == LOC_BLOCK) |
b5ec771e | 1261 | || (domain == TYPES_DOMAIN |
8a6d4234 | 1262 | && (*psym)->aclass == LOC_TYPEDEF)) |
b5ec771e | 1263 | && psymbol_name_matches (*psym, lookup_name) |
8a6d4234 | 1264 | && (sym_matcher == NULL || sym_matcher (symbol_search_name (*psym)))) |
9439a077 TT |
1265 | { |
1266 | /* Found a match, so notify our caller. */ | |
1267 | result = PST_SEARCHED_AND_FOUND; | |
1268 | keep_going = 0; | |
1269 | } | |
1270 | } | |
1271 | psym++; | |
1272 | } | |
1273 | ||
1274 | ps->searched_flag = result; | |
1275 | return result == PST_SEARCHED_AND_FOUND; | |
1276 | } | |
1277 | ||
95cf5869 DE |
1278 | /* Psymtab version of expand_symtabs_matching. See its definition in |
1279 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1280 | |
ccefe4c4 | 1281 | static void |
83827540 | 1282 | psym_expand_symtabs_matching |
f8eba3c6 | 1283 | (struct objfile *objfile, |
14bc53a8 | 1284 | gdb::function_view<expand_symtabs_file_matcher_ftype> file_matcher, |
c62446b1 | 1285 | const lookup_name_info &lookup_name_in, |
14bc53a8 PA |
1286 | gdb::function_view<expand_symtabs_symbol_matcher_ftype> symbol_matcher, |
1287 | gdb::function_view<expand_symtabs_exp_notify_ftype> expansion_notify, | |
b5ec771e | 1288 | enum search_domain domain) |
ccefe4c4 | 1289 | { |
c62446b1 PA |
1290 | lookup_name_info lookup_name = lookup_name_in.make_ignore_params (); |
1291 | ||
9439a077 | 1292 | /* Clear the search flags. */ |
b22a7c6a TT |
1293 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
1294 | ps->searched_flag = PST_NOT_SEARCHED; | |
ccefe4c4 | 1295 | |
b22a7c6a | 1296 | for (partial_symtab *ps : objfile_psymtabs (objfile)) |
9439a077 | 1297 | { |
30b3dd9d DE |
1298 | QUIT; |
1299 | ||
ccefe4c4 TT |
1300 | if (ps->readin) |
1301 | continue; | |
1302 | ||
9439a077 TT |
1303 | /* We skip shared psymtabs because file-matching doesn't apply |
1304 | to them; but we search them later in the loop. */ | |
1305 | if (ps->user != NULL) | |
ccefe4c4 TT |
1306 | continue; |
1307 | ||
b4c41fc7 DE |
1308 | if (file_matcher) |
1309 | { | |
14bc53a8 | 1310 | bool match; |
680d1742 | 1311 | |
b4c41fc7 DE |
1312 | if (ps->anonymous) |
1313 | continue; | |
fbd9ab74 | 1314 | |
14bc53a8 | 1315 | match = file_matcher (ps->filename, false); |
680d1742 DE |
1316 | if (!match) |
1317 | { | |
1318 | /* Before we invoke realpath, which can get expensive when many | |
1319 | files are involved, do a quick comparison of the basenames. */ | |
1320 | if (basenames_may_differ | |
14bc53a8 PA |
1321 | || file_matcher (lbasename (ps->filename), true)) |
1322 | match = file_matcher (psymtab_to_fullname (ps), false); | |
680d1742 DE |
1323 | } |
1324 | if (!match) | |
b4c41fc7 DE |
1325 | continue; |
1326 | } | |
ccefe4c4 | 1327 | |
b5ec771e PA |
1328 | if (recursively_search_psymtabs (ps, objfile, domain, |
1329 | lookup_name, symbol_matcher)) | |
276d885b GB |
1330 | { |
1331 | struct compunit_symtab *symtab = | |
1332 | psymtab_to_symtab (objfile, ps); | |
1333 | ||
1334 | if (expansion_notify != NULL) | |
14bc53a8 | 1335 | expansion_notify (symtab); |
276d885b | 1336 | } |
ccefe4c4 TT |
1337 | } |
1338 | } | |
1339 | ||
95cf5869 DE |
1340 | /* Psymtab version of has_symbols. See its definition in |
1341 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1342 | |
ccefe4c4 | 1343 | static int |
83827540 | 1344 | psym_has_symbols (struct objfile *objfile) |
ccefe4c4 TT |
1345 | { |
1346 | return objfile->psymtabs != NULL; | |
1347 | } | |
1348 | ||
71a3c369 TT |
1349 | /* Helper function for psym_find_compunit_symtab_by_address that fills |
1350 | in psymbol_map for a given range of psymbols. */ | |
1351 | ||
1352 | static void | |
1353 | psym_fill_psymbol_map (struct objfile *objfile, | |
1354 | struct partial_symtab *psymtab, | |
1355 | std::set<CORE_ADDR> *seen_addrs, | |
1356 | const std::vector<partial_symbol *> &symbols, | |
1357 | int start, | |
1358 | int length) | |
1359 | { | |
1360 | for (int i = 0; i < length; ++i) | |
1361 | { | |
1362 | struct partial_symbol *psym = symbols[start + i]; | |
1363 | ||
8a6d4234 | 1364 | if (psym->aclass == LOC_STATIC) |
71a3c369 | 1365 | { |
02e9e7f7 | 1366 | CORE_ADDR addr = psym->address (objfile); |
71a3c369 TT |
1367 | if (seen_addrs->find (addr) == seen_addrs->end ()) |
1368 | { | |
1369 | seen_addrs->insert (addr); | |
1370 | objfile->psymbol_map.emplace_back (addr, psymtab); | |
1371 | } | |
1372 | } | |
1373 | } | |
1374 | } | |
1375 | ||
1376 | /* See find_compunit_symtab_by_address in quick_symbol_functions, in | |
1377 | symfile.h. */ | |
1378 | ||
1379 | static compunit_symtab * | |
1380 | psym_find_compunit_symtab_by_address (struct objfile *objfile, | |
1381 | CORE_ADDR address) | |
1382 | { | |
1383 | if (objfile->psymbol_map.empty ()) | |
1384 | { | |
71a3c369 TT |
1385 | std::set<CORE_ADDR> seen_addrs; |
1386 | ||
b22a7c6a TT |
1387 | for (partial_symtab *pst : require_partial_symbols (objfile, 1)) |
1388 | { | |
1389 | psym_fill_psymbol_map (objfile, pst, | |
1390 | &seen_addrs, | |
1391 | objfile->global_psymbols, | |
1392 | pst->globals_offset, | |
1393 | pst->n_global_syms); | |
1394 | psym_fill_psymbol_map (objfile, pst, | |
1395 | &seen_addrs, | |
1396 | objfile->static_psymbols, | |
1397 | pst->statics_offset, | |
1398 | pst->n_static_syms); | |
1399 | } | |
71a3c369 TT |
1400 | |
1401 | objfile->psymbol_map.shrink_to_fit (); | |
1402 | ||
1403 | std::sort (objfile->psymbol_map.begin (), objfile->psymbol_map.end (), | |
1404 | [] (const std::pair<CORE_ADDR, partial_symtab *> &a, | |
1405 | const std::pair<CORE_ADDR, partial_symtab *> &b) | |
1406 | { | |
1407 | return a.first < b.first; | |
1408 | }); | |
1409 | } | |
1410 | ||
1411 | auto iter = std::lower_bound | |
1412 | (objfile->psymbol_map.begin (), objfile->psymbol_map.end (), address, | |
1413 | [] (const std::pair<CORE_ADDR, partial_symtab *> &a, | |
1414 | CORE_ADDR b) | |
1415 | { | |
1416 | return a.first < b; | |
1417 | }); | |
1418 | ||
1419 | if (iter == objfile->psymbol_map.end () || iter->first != address) | |
1420 | return NULL; | |
1421 | ||
1422 | return psymtab_to_symtab (objfile, iter->second); | |
1423 | } | |
1424 | ||
ccefe4c4 TT |
1425 | const struct quick_symbol_functions psym_functions = |
1426 | { | |
83827540 DE |
1427 | psym_has_symbols, |
1428 | psym_find_last_source_symtab, | |
1429 | psym_forget_cached_source_info, | |
1430 | psym_map_symtabs_matching_filename, | |
1431 | psym_lookup_symbol, | |
1432 | psym_print_stats, | |
1433 | psym_dump, | |
83827540 DE |
1434 | psym_expand_symtabs_for_function, |
1435 | psym_expand_all_symtabs, | |
1436 | psym_expand_symtabs_with_fullname, | |
1437 | psym_map_matching_symbols, | |
1438 | psym_expand_symtabs_matching, | |
1439 | psym_find_pc_sect_compunit_symtab, | |
71a3c369 | 1440 | psym_find_compunit_symtab_by_address, |
83827540 | 1441 | psym_map_symbol_filenames |
ccefe4c4 TT |
1442 | }; |
1443 | ||
1444 | \f | |
1445 | ||
8763cede | 1446 | static void |
5c80ed9d | 1447 | sort_pst_symbols (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 1448 | { |
0df8b418 | 1449 | /* Sort the global list; don't sort the static list. */ |
af5bf4ad SM |
1450 | auto begin = objfile->global_psymbols.begin (); |
1451 | std::advance (begin, pst->globals_offset); | |
1452 | ||
1453 | /* The psymbols for this partial_symtab are currently at the end of the | |
1454 | vector. */ | |
1455 | auto end = objfile->global_psymbols.end (); | |
ccefe4c4 | 1456 | |
af5bf4ad SM |
1457 | std::sort (begin, end, [] (partial_symbol *s1, partial_symbol *s2) |
1458 | { | |
8a6d4234 TT |
1459 | return strcmp_iw_ordered (symbol_search_name (s1), |
1460 | symbol_search_name (s2)) < 0; | |
af5bf4ad | 1461 | }); |
ccefe4c4 TT |
1462 | } |
1463 | ||
1464 | /* Allocate and partially fill a partial symtab. It will be | |
1465 | completely filled at the end of the symbol list. | |
1466 | ||
0df8b418 | 1467 | FILENAME is the name of the symbol-file we are reading from. */ |
ccefe4c4 TT |
1468 | |
1469 | struct partial_symtab * | |
1470 | start_psymtab_common (struct objfile *objfile, | |
ccefe4c4 | 1471 | const char *filename, |
af5bf4ad SM |
1472 | CORE_ADDR textlow, |
1473 | std::vector<partial_symbol *> &global_psymbols, | |
1474 | std::vector<partial_symbol *> &static_psymbols) | |
ccefe4c4 TT |
1475 | { |
1476 | struct partial_symtab *psymtab; | |
1477 | ||
1478 | psymtab = allocate_psymtab (filename, objfile); | |
4ae976d1 | 1479 | psymtab->set_text_low (textlow); |
79748972 | 1480 | psymtab->set_text_high (psymtab->raw_text_low ()); /* default */ |
af5bf4ad SM |
1481 | psymtab->globals_offset = global_psymbols.size (); |
1482 | psymtab->statics_offset = static_psymbols.size (); | |
95cf5869 | 1483 | return psymtab; |
ccefe4c4 TT |
1484 | } |
1485 | ||
8763cede DE |
1486 | /* Perform "finishing up" operations of a partial symtab. */ |
1487 | ||
1488 | void | |
1489 | end_psymtab_common (struct objfile *objfile, struct partial_symtab *pst) | |
1490 | { | |
af5bf4ad SM |
1491 | pst->n_global_syms = objfile->global_psymbols.size () - pst->globals_offset; |
1492 | pst->n_static_syms = objfile->static_psymbols.size () - pst->statics_offset; | |
8763cede DE |
1493 | |
1494 | sort_pst_symbols (objfile, pst); | |
1495 | } | |
1496 | ||
cbd70537 SW |
1497 | /* Calculate a hash code for the given partial symbol. The hash is |
1498 | calculated using the symbol's value, language, domain, class | |
0df8b418 | 1499 | and name. These are the values which are set by |
cbd70537 SW |
1500 | add_psymbol_to_bcache. */ |
1501 | ||
710e1a31 | 1502 | static unsigned long |
cbd70537 SW |
1503 | psymbol_hash (const void *addr, int length) |
1504 | { | |
1505 | unsigned long h = 0; | |
1506 | struct partial_symbol *psymbol = (struct partial_symbol *) addr; | |
8a6d4234 TT |
1507 | unsigned int lang = psymbol->language; |
1508 | unsigned int domain = psymbol->domain; | |
1509 | unsigned int theclass = psymbol->aclass; | |
cbd70537 | 1510 | |
8a6d4234 | 1511 | h = hash_continue (&psymbol->value, sizeof (psymbol->value), h); |
cbd70537 SW |
1512 | h = hash_continue (&lang, sizeof (unsigned int), h); |
1513 | h = hash_continue (&domain, sizeof (unsigned int), h); | |
fe978cb0 | 1514 | h = hash_continue (&theclass, sizeof (unsigned int), h); |
e793c052 TT |
1515 | /* Note that psymbol names are interned via symbol_set_names, so |
1516 | there's no need to hash the contents of the name here. */ | |
8a6d4234 TT |
1517 | h = hash_continue (&psymbol->name, |
1518 | sizeof (psymbol->name), h); | |
cbd70537 SW |
1519 | |
1520 | return h; | |
1521 | } | |
1522 | ||
1523 | /* Returns true if the symbol at addr1 equals the symbol at addr2. | |
1524 | For the comparison this function uses a symbols value, | |
1525 | language, domain, class and name. */ | |
1526 | ||
710e1a31 | 1527 | static int |
cbd70537 SW |
1528 | psymbol_compare (const void *addr1, const void *addr2, int length) |
1529 | { | |
1530 | struct partial_symbol *sym1 = (struct partial_symbol *) addr1; | |
1531 | struct partial_symbol *sym2 = (struct partial_symbol *) addr2; | |
1532 | ||
8a6d4234 TT |
1533 | return (memcmp (&sym1->value, &sym2->value, |
1534 | sizeof (sym1->value)) == 0 | |
1535 | && sym1->language == sym2->language | |
1536 | && sym1->domain == sym2->domain | |
1537 | && sym1->aclass == sym2->aclass | |
e793c052 TT |
1538 | /* Note that psymbol names are interned via |
1539 | symbol_set_names, so there's no need to compare the | |
1540 | contents of the name here. */ | |
8a6d4234 | 1541 | && sym1->name == sym2->name); |
cbd70537 SW |
1542 | } |
1543 | ||
710e1a31 SW |
1544 | /* Initialize a partial symbol bcache. */ |
1545 | ||
1546 | struct psymbol_bcache * | |
1547 | psymbol_bcache_init (void) | |
1548 | { | |
fc270c35 | 1549 | struct psymbol_bcache *bcache = XCNEW (struct psymbol_bcache); |
95cf5869 | 1550 | |
710e1a31 SW |
1551 | bcache->bcache = bcache_xmalloc (psymbol_hash, psymbol_compare); |
1552 | return bcache; | |
1553 | } | |
1554 | ||
1555 | /* Free a partial symbol bcache. */ | |
95cf5869 | 1556 | |
710e1a31 SW |
1557 | void |
1558 | psymbol_bcache_free (struct psymbol_bcache *bcache) | |
1559 | { | |
1560 | if (bcache == NULL) | |
1561 | return; | |
1562 | ||
1563 | bcache_xfree (bcache->bcache); | |
1564 | xfree (bcache); | |
1565 | } | |
1566 | ||
0df8b418 | 1567 | /* Return the internal bcache of the psymbol_bcache BCACHE. */ |
710e1a31 SW |
1568 | |
1569 | struct bcache * | |
1570 | psymbol_bcache_get_bcache (struct psymbol_bcache *bcache) | |
1571 | { | |
1572 | return bcache->bcache; | |
1573 | } | |
1574 | ||
1575 | /* Find a copy of the SYM in BCACHE. If BCACHE has never seen this | |
1576 | symbol before, add a copy to BCACHE. In either case, return a pointer | |
1577 | to BCACHE's copy of the symbol. If optional ADDED is not NULL, return | |
1578 | 1 in case of new entry or 0 if returning an old entry. */ | |
1579 | ||
af5bf4ad | 1580 | static struct partial_symbol * |
710e1a31 SW |
1581 | psymbol_bcache_full (struct partial_symbol *sym, |
1582 | struct psymbol_bcache *bcache, | |
1583 | int *added) | |
1584 | { | |
af5bf4ad | 1585 | return ((struct partial_symbol *) |
19ba03f4 SM |
1586 | bcache_full (sym, sizeof (struct partial_symbol), bcache->bcache, |
1587 | added)); | |
710e1a31 SW |
1588 | } |
1589 | ||
95cf5869 | 1590 | /* Helper function, initialises partial symbol structure and stashes |
ccefe4c4 TT |
1591 | it into objfile's bcache. Note that our caching mechanism will |
1592 | use all fields of struct partial_symbol to determine hash value of the | |
1593 | structure. In other words, having two symbols with the same name but | |
1594 | different domain (or address) is possible and correct. */ | |
1595 | ||
af5bf4ad | 1596 | static struct partial_symbol * |
72b9f47f | 1597 | add_psymbol_to_bcache (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1598 | domain_enum domain, |
fe978cb0 | 1599 | enum address_class theclass, |
79748972 | 1600 | short section, |
1762568f | 1601 | CORE_ADDR coreaddr, |
ccefe4c4 TT |
1602 | enum language language, struct objfile *objfile, |
1603 | int *added) | |
1604 | { | |
cbd70537 SW |
1605 | struct partial_symbol psymbol; |
1606 | ||
79748972 TT |
1607 | psymbol.set_unrelocated_address (coreaddr); |
1608 | psymbol.section = section; | |
8a6d4234 TT |
1609 | psymbol.domain = domain; |
1610 | psymbol.aclass = theclass; | |
fc956729 | 1611 | |
8a6d4234 TT |
1612 | memset (&psymbol.language_specific, 0, sizeof (psymbol.language_specific)); |
1613 | psymbol.ada_mangled = 0; | |
1614 | symbol_set_language (&psymbol, language, &objfile->objfile_obstack); | |
1615 | symbol_set_names (&psymbol, name, namelength, copy_name, objfile); | |
ccefe4c4 | 1616 | |
0df8b418 | 1617 | /* Stash the partial symbol away in the cache. */ |
95cf5869 | 1618 | return psymbol_bcache_full (&psymbol, objfile->psymbol_cache, added); |
ccefe4c4 TT |
1619 | } |
1620 | ||
95cf5869 | 1621 | /* Helper function, adds partial symbol to the given partial symbol list. */ |
ccefe4c4 TT |
1622 | |
1623 | static void | |
af5bf4ad SM |
1624 | append_psymbol_to_list (std::vector<partial_symbol *> *list, |
1625 | struct partial_symbol *psym, | |
ccefe4c4 TT |
1626 | struct objfile *objfile) |
1627 | { | |
af5bf4ad | 1628 | list->push_back (psym); |
ccefe4c4 TT |
1629 | OBJSTAT (objfile, n_psyms++); |
1630 | } | |
1631 | ||
1632 | /* Add a symbol with a long value to a psymtab. | |
1633 | Since one arg is a struct, we pass in a ptr and deref it (sigh). | |
1762568f DE |
1634 | The only value we need to store for psyms is an address. |
1635 | For all other psyms pass zero for COREADDR. | |
ccefe4c4 TT |
1636 | Return the partial symbol that has been added. */ |
1637 | ||
7dc25483 | 1638 | void |
72b9f47f | 1639 | add_psymbol_to_list (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1640 | domain_enum domain, |
fe978cb0 | 1641 | enum address_class theclass, |
79748972 | 1642 | short section, |
af5bf4ad | 1643 | std::vector<partial_symbol *> *list, |
1762568f | 1644 | CORE_ADDR coreaddr, |
ccefe4c4 TT |
1645 | enum language language, struct objfile *objfile) |
1646 | { | |
af5bf4ad | 1647 | struct partial_symbol *psym; |
ccefe4c4 TT |
1648 | |
1649 | int added; | |
1650 | ||
0df8b418 | 1651 | /* Stash the partial symbol away in the cache. */ |
fe978cb0 | 1652 | psym = add_psymbol_to_bcache (name, namelength, copy_name, domain, theclass, |
79748972 | 1653 | section, coreaddr, language, objfile, &added); |
ccefe4c4 TT |
1654 | |
1655 | /* Do not duplicate global partial symbols. */ | |
1656 | if (list == &objfile->global_psymbols | |
1657 | && !added) | |
7dc25483 | 1658 | return; |
ccefe4c4 | 1659 | |
0df8b418 | 1660 | /* Save pointer to partial symbol in psymtab, growing symtab if needed. */ |
ccefe4c4 | 1661 | append_psymbol_to_list (list, psym, objfile); |
ccefe4c4 TT |
1662 | } |
1663 | ||
1664 | /* Initialize storage for partial symbols. */ | |
1665 | ||
1666 | void | |
1667 | init_psymbol_list (struct objfile *objfile, int total_symbols) | |
1668 | { | |
1669 | /* Free any previously allocated psymbol lists. */ | |
af5bf4ad SM |
1670 | objfile->global_psymbols.clear (); |
1671 | objfile->static_psymbols.clear (); | |
ccefe4c4 TT |
1672 | |
1673 | /* Current best guess is that approximately a twentieth | |
1674 | of the total symbols (in a debugging file) are global or static | |
ca9c6ee2 | 1675 | oriented symbols, then multiply that by slop factor of two. */ |
af5bf4ad SM |
1676 | objfile->global_psymbols.reserve (total_symbols / 10); |
1677 | objfile->static_psymbols.reserve (total_symbols / 10); | |
ccefe4c4 TT |
1678 | } |
1679 | ||
1680 | struct partial_symtab * | |
1681 | allocate_psymtab (const char *filename, struct objfile *objfile) | |
1682 | { | |
1683 | struct partial_symtab *psymtab; | |
1684 | ||
1685 | if (objfile->free_psymtabs) | |
1686 | { | |
1687 | psymtab = objfile->free_psymtabs; | |
1688 | objfile->free_psymtabs = psymtab->next; | |
1689 | } | |
1690 | else | |
e39db4db | 1691 | psymtab = XOBNEW (&objfile->objfile_obstack, partial_symtab); |
ccefe4c4 TT |
1692 | |
1693 | memset (psymtab, 0, sizeof (struct partial_symtab)); | |
19ba03f4 SM |
1694 | psymtab->filename |
1695 | = (const char *) bcache (filename, strlen (filename) + 1, | |
1696 | objfile->per_bfd->filename_cache); | |
43f3e411 | 1697 | psymtab->compunit_symtab = NULL; |
ccefe4c4 TT |
1698 | |
1699 | /* Prepend it to the psymtab list for the objfile it belongs to. | |
1700 | Psymtabs are searched in most recent inserted -> least recent | |
0df8b418 | 1701 | inserted order. */ |
ccefe4c4 | 1702 | |
ccefe4c4 TT |
1703 | psymtab->next = objfile->psymtabs; |
1704 | objfile->psymtabs = psymtab; | |
ccefe4c4 | 1705 | |
45cfd468 DE |
1706 | if (symtab_create_debug) |
1707 | { | |
1708 | /* Be a bit clever with debugging messages, and don't print objfile | |
1709 | every time, only when it changes. */ | |
1710 | static char *last_objfile_name = NULL; | |
1711 | ||
1712 | if (last_objfile_name == NULL | |
4262abfb | 1713 | || strcmp (last_objfile_name, objfile_name (objfile)) != 0) |
45cfd468 DE |
1714 | { |
1715 | xfree (last_objfile_name); | |
4262abfb | 1716 | last_objfile_name = xstrdup (objfile_name (objfile)); |
22068491 TT |
1717 | fprintf_filtered (gdb_stdlog, |
1718 | "Creating one or more psymtabs for objfile %s ...\n", | |
1719 | last_objfile_name); | |
45cfd468 | 1720 | } |
22068491 TT |
1721 | fprintf_filtered (gdb_stdlog, |
1722 | "Created psymtab %s for module %s.\n", | |
1723 | host_address_to_string (psymtab), filename); | |
45cfd468 DE |
1724 | } |
1725 | ||
95cf5869 | 1726 | return psymtab; |
ccefe4c4 TT |
1727 | } |
1728 | ||
1729 | void | |
5c80ed9d | 1730 | discard_psymtab (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 TT |
1731 | { |
1732 | struct partial_symtab **prev_pst; | |
1733 | ||
1734 | /* From dbxread.c: | |
1735 | Empty psymtabs happen as a result of header files which don't | |
1736 | have any symbols in them. There can be a lot of them. But this | |
1737 | check is wrong, in that a psymtab with N_SLINE entries but | |
1738 | nothing else is not empty, but we don't realize that. Fixing | |
1739 | that without slowing things down might be tricky. */ | |
1740 | ||
0df8b418 | 1741 | /* First, snip it out of the psymtab chain. */ |
ccefe4c4 | 1742 | |
5c80ed9d | 1743 | prev_pst = &(objfile->psymtabs); |
ccefe4c4 TT |
1744 | while ((*prev_pst) != pst) |
1745 | prev_pst = &((*prev_pst)->next); | |
1746 | (*prev_pst) = pst->next; | |
1747 | ||
0df8b418 | 1748 | /* Next, put it on a free list for recycling. */ |
ccefe4c4 | 1749 | |
5c80ed9d TT |
1750 | pst->next = objfile->free_psymtabs; |
1751 | objfile->free_psymtabs = pst; | |
ccefe4c4 TT |
1752 | } |
1753 | ||
ccefe4c4 TT |
1754 | \f |
1755 | ||
372405a5 DE |
1756 | /* We need to pass a couple of items to the addrmap_foreach function, |
1757 | so use a struct. */ | |
1758 | ||
1759 | struct dump_psymtab_addrmap_data | |
1760 | { | |
1761 | struct objfile *objfile; | |
1762 | struct partial_symtab *psymtab; | |
1763 | struct ui_file *outfile; | |
1764 | ||
1765 | /* Non-zero if the previously printed addrmap entry was for PSYMTAB. | |
1766 | If so, we want to print the next one as well (since the next addrmap | |
1767 | entry defines the end of the range). */ | |
1768 | int previous_matched; | |
1769 | }; | |
1770 | ||
1771 | /* Helper function for dump_psymtab_addrmap to print an addrmap entry. */ | |
1772 | ||
1773 | static int | |
1774 | dump_psymtab_addrmap_1 (void *datap, CORE_ADDR start_addr, void *obj) | |
1775 | { | |
709b5518 PA |
1776 | struct dump_psymtab_addrmap_data *data |
1777 | = (struct dump_psymtab_addrmap_data *) datap; | |
372405a5 | 1778 | struct gdbarch *gdbarch = get_objfile_arch (data->objfile); |
709b5518 | 1779 | struct partial_symtab *addrmap_psymtab = (struct partial_symtab *) obj; |
372405a5 DE |
1780 | const char *psymtab_address_or_end = NULL; |
1781 | ||
1782 | QUIT; | |
1783 | ||
1784 | if (data->psymtab == NULL | |
1785 | || data->psymtab == addrmap_psymtab) | |
1786 | psymtab_address_or_end = host_address_to_string (addrmap_psymtab); | |
1787 | else if (data->previous_matched) | |
1788 | psymtab_address_or_end = "<ends here>"; | |
1789 | ||
1790 | if (data->psymtab == NULL | |
1791 | || data->psymtab == addrmap_psymtab | |
1792 | || data->previous_matched) | |
1793 | { | |
1794 | fprintf_filtered (data->outfile, " %s%s %s\n", | |
1795 | data->psymtab != NULL ? " " : "", | |
1796 | paddress (gdbarch, start_addr), | |
1797 | psymtab_address_or_end); | |
1798 | } | |
1799 | ||
1800 | data->previous_matched = (data->psymtab == NULL | |
1801 | || data->psymtab == addrmap_psymtab); | |
1802 | ||
1803 | return 0; | |
1804 | } | |
1805 | ||
1806 | /* Helper function for maintenance_print_psymbols to print the addrmap | |
1807 | of PSYMTAB. If PSYMTAB is NULL print the entire addrmap. */ | |
1808 | ||
1809 | static void | |
1810 | dump_psymtab_addrmap (struct objfile *objfile, struct partial_symtab *psymtab, | |
1811 | struct ui_file *outfile) | |
1812 | { | |
1813 | struct dump_psymtab_addrmap_data addrmap_dump_data; | |
1814 | ||
34c41c68 DE |
1815 | if ((psymtab == NULL |
1816 | || psymtab->psymtabs_addrmap_supported) | |
1817 | && objfile->psymtabs_addrmap != NULL) | |
372405a5 DE |
1818 | { |
1819 | addrmap_dump_data.objfile = objfile; | |
1820 | addrmap_dump_data.psymtab = psymtab; | |
1821 | addrmap_dump_data.outfile = outfile; | |
1822 | addrmap_dump_data.previous_matched = 0; | |
1823 | fprintf_filtered (outfile, "%sddress map:\n", | |
1824 | psymtab == NULL ? "Entire a" : " A"); | |
1825 | addrmap_foreach (objfile->psymtabs_addrmap, dump_psymtab_addrmap_1, | |
1826 | &addrmap_dump_data); | |
1827 | } | |
1828 | } | |
1829 | ||
dfc7bb5b | 1830 | static void |
990b9f9f | 1831 | maintenance_print_psymbols (const char *args, int from_tty) |
ccefe4c4 | 1832 | { |
34c41c68 | 1833 | struct ui_file *outfile = gdb_stdout; |
34c41c68 | 1834 | char *address_arg = NULL, *source_arg = NULL, *objfile_arg = NULL; |
34c41c68 DE |
1835 | int i, outfile_idx, found; |
1836 | CORE_ADDR pc = 0; | |
1837 | struct obj_section *section = NULL; | |
ccefe4c4 TT |
1838 | |
1839 | dont_repeat (); | |
1840 | ||
773a1edc | 1841 | gdb_argv argv (args); |
ccefe4c4 | 1842 | |
99e8a4f9 | 1843 | for (i = 0; argv != NULL && argv[i] != NULL; ++i) |
ccefe4c4 | 1844 | { |
34c41c68 DE |
1845 | if (strcmp (argv[i], "-pc") == 0) |
1846 | { | |
1847 | if (argv[i + 1] == NULL) | |
1848 | error (_("Missing pc value")); | |
1849 | address_arg = argv[++i]; | |
1850 | } | |
1851 | else if (strcmp (argv[i], "-source") == 0) | |
1852 | { | |
1853 | if (argv[i + 1] == NULL) | |
1854 | error (_("Missing source file")); | |
1855 | source_arg = argv[++i]; | |
1856 | } | |
1857 | else if (strcmp (argv[i], "-objfile") == 0) | |
1858 | { | |
1859 | if (argv[i + 1] == NULL) | |
1860 | error (_("Missing objfile name")); | |
1861 | objfile_arg = argv[++i]; | |
1862 | } | |
1863 | else if (strcmp (argv[i], "--") == 0) | |
1864 | { | |
1865 | /* End of options. */ | |
1866 | ++i; | |
1867 | break; | |
1868 | } | |
1869 | else if (argv[i][0] == '-') | |
ccefe4c4 | 1870 | { |
34c41c68 DE |
1871 | /* Future proofing: Don't allow OUTFILE to begin with "-". */ |
1872 | error (_("Unknown option: %s"), argv[i]); | |
ccefe4c4 | 1873 | } |
34c41c68 DE |
1874 | else |
1875 | break; | |
ccefe4c4 | 1876 | } |
34c41c68 | 1877 | outfile_idx = i; |
ccefe4c4 | 1878 | |
34c41c68 DE |
1879 | if (address_arg != NULL && source_arg != NULL) |
1880 | error (_("Must specify at most one of -pc and -source")); | |
ccefe4c4 | 1881 | |
d7e74731 PA |
1882 | stdio_file arg_outfile; |
1883 | ||
99e8a4f9 | 1884 | if (argv != NULL && argv[outfile_idx] != NULL) |
34c41c68 | 1885 | { |
34c41c68 DE |
1886 | if (argv[outfile_idx + 1] != NULL) |
1887 | error (_("Junk at end of command")); | |
ee0c3293 TT |
1888 | gdb::unique_xmalloc_ptr<char> outfile_name |
1889 | (tilde_expand (argv[outfile_idx])); | |
1890 | if (!arg_outfile.open (outfile_name.get (), FOPEN_WT)) | |
1891 | perror_with_name (outfile_name.get ()); | |
d7e74731 | 1892 | outfile = &arg_outfile; |
34c41c68 | 1893 | } |
ccefe4c4 | 1894 | |
34c41c68 DE |
1895 | if (address_arg != NULL) |
1896 | { | |
1897 | pc = parse_and_eval_address (address_arg); | |
1898 | /* If we fail to find a section, that's ok, try the lookup anyway. */ | |
1899 | section = find_pc_section (pc); | |
1900 | } | |
372405a5 | 1901 | |
34c41c68 | 1902 | found = 0; |
aed57c53 | 1903 | for (objfile *objfile : all_objfiles (current_program_space)) |
27618ce4 | 1904 | { |
34c41c68 DE |
1905 | int printed_objfile_header = 0; |
1906 | int print_for_objfile = 1; | |
1907 | ||
27618ce4 | 1908 | QUIT; |
34c41c68 DE |
1909 | if (objfile_arg != NULL) |
1910 | print_for_objfile | |
1911 | = compare_filenames_for_search (objfile_name (objfile), | |
1912 | objfile_arg); | |
1913 | if (!print_for_objfile) | |
1914 | continue; | |
1915 | ||
1916 | if (address_arg != NULL) | |
1917 | { | |
1918 | struct bound_minimal_symbol msymbol = { NULL, NULL }; | |
1919 | ||
1920 | /* We don't assume each pc has a unique objfile (this is for | |
1921 | debugging). */ | |
b22a7c6a TT |
1922 | struct partial_symtab *ps = find_pc_sect_psymtab (objfile, pc, |
1923 | section, msymbol); | |
34c41c68 DE |
1924 | if (ps != NULL) |
1925 | { | |
1926 | if (!printed_objfile_header) | |
1927 | { | |
d7e74731 PA |
1928 | outfile->printf ("\nPartial symtabs for objfile %s\n", |
1929 | objfile_name (objfile)); | |
34c41c68 DE |
1930 | printed_objfile_header = 1; |
1931 | } | |
1932 | dump_psymtab (objfile, ps, outfile); | |
1933 | dump_psymtab_addrmap (objfile, ps, outfile); | |
1934 | found = 1; | |
1935 | } | |
1936 | } | |
1937 | else | |
1938 | { | |
b22a7c6a | 1939 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
34c41c68 DE |
1940 | { |
1941 | int print_for_source = 0; | |
1942 | ||
1943 | QUIT; | |
1944 | if (source_arg != NULL) | |
1945 | { | |
1946 | print_for_source | |
1947 | = compare_filenames_for_search (ps->filename, source_arg); | |
1948 | found = 1; | |
1949 | } | |
1950 | if (source_arg == NULL | |
1951 | || print_for_source) | |
1952 | { | |
1953 | if (!printed_objfile_header) | |
1954 | { | |
d7e74731 PA |
1955 | outfile->printf ("\nPartial symtabs for objfile %s\n", |
1956 | objfile_name (objfile)); | |
34c41c68 DE |
1957 | printed_objfile_header = 1; |
1958 | } | |
1959 | dump_psymtab (objfile, ps, outfile); | |
1960 | dump_psymtab_addrmap (objfile, ps, outfile); | |
1961 | } | |
1962 | } | |
1963 | } | |
1964 | ||
1965 | /* If we're printing all the objfile's symbols dump the full addrmap. */ | |
1966 | ||
1967 | if (address_arg == NULL | |
1968 | && source_arg == NULL | |
1969 | && objfile->psymtabs_addrmap != NULL) | |
372405a5 | 1970 | { |
d7e74731 | 1971 | outfile->puts ("\n"); |
34c41c68 | 1972 | dump_psymtab_addrmap (objfile, NULL, outfile); |
372405a5 | 1973 | } |
27618ce4 | 1974 | } |
372405a5 | 1975 | |
34c41c68 DE |
1976 | if (!found) |
1977 | { | |
1978 | if (address_arg != NULL) | |
1979 | error (_("No partial symtab for address: %s"), address_arg); | |
1980 | if (source_arg != NULL) | |
1981 | error (_("No partial symtab for source file: %s"), source_arg); | |
1982 | } | |
ccefe4c4 TT |
1983 | } |
1984 | ||
1985 | /* List all the partial symbol tables whose names match REGEXP (optional). */ | |
95cf5869 | 1986 | |
dfc7bb5b | 1987 | static void |
990b9f9f | 1988 | maintenance_info_psymtabs (const char *regexp, int from_tty) |
ccefe4c4 TT |
1989 | { |
1990 | struct program_space *pspace; | |
ccefe4c4 TT |
1991 | |
1992 | if (regexp) | |
1993 | re_comp (regexp); | |
1994 | ||
1995 | ALL_PSPACES (pspace) | |
99d89cde TT |
1996 | for (objfile *objfile : all_objfiles (pspace)) |
1997 | { | |
1998 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
ccefe4c4 | 1999 | |
99d89cde TT |
2000 | /* We don't want to print anything for this objfile until we |
2001 | actually find a symtab whose name matches. */ | |
2002 | int printed_objfile_start = 0; | |
ccefe4c4 | 2003 | |
b22a7c6a | 2004 | for (partial_symtab *psymtab : require_partial_symbols (objfile, 1)) |
99d89cde TT |
2005 | { |
2006 | QUIT; | |
2007 | ||
2008 | if (! regexp | |
2009 | || re_exec (psymtab->filename)) | |
2010 | { | |
2011 | if (! printed_objfile_start) | |
2012 | { | |
2013 | printf_filtered ("{ objfile %s ", objfile_name (objfile)); | |
2014 | wrap_here (" "); | |
2015 | printf_filtered ("((struct objfile *) %s)\n", | |
2016 | host_address_to_string (objfile)); | |
2017 | printed_objfile_start = 1; | |
2018 | } | |
2019 | ||
2020 | printf_filtered (" { psymtab %s ", psymtab->filename); | |
2021 | wrap_here (" "); | |
2022 | printf_filtered ("((struct partial_symtab *) %s)\n", | |
2023 | host_address_to_string (psymtab)); | |
2024 | ||
2025 | printf_filtered (" readin %s\n", | |
2026 | psymtab->readin ? "yes" : "no"); | |
2027 | printf_filtered (" fullname %s\n", | |
2028 | psymtab->fullname | |
2029 | ? psymtab->fullname : "(null)"); | |
2030 | printf_filtered (" text addresses "); | |
2031 | fputs_filtered (paddress (gdbarch, | |
2032 | psymtab->text_low (objfile)), | |
2033 | gdb_stdout); | |
2034 | printf_filtered (" -- "); | |
2035 | fputs_filtered (paddress (gdbarch, | |
2036 | psymtab->text_high (objfile)), | |
2037 | gdb_stdout); | |
2038 | printf_filtered ("\n"); | |
2039 | printf_filtered (" psymtabs_addrmap_supported %s\n", | |
2040 | (psymtab->psymtabs_addrmap_supported | |
2041 | ? "yes" : "no")); | |
2042 | printf_filtered (" globals "); | |
2043 | if (psymtab->n_global_syms) | |
2044 | { | |
2045 | auto p | |
2046 | = &objfile->global_psymbols[psymtab->globals_offset]; | |
2047 | ||
2048 | printf_filtered | |
2049 | ("(* (struct partial_symbol **) %s @ %d)\n", | |
2050 | host_address_to_string (p), | |
2051 | psymtab->n_global_syms); | |
2052 | } | |
2053 | else | |
2054 | printf_filtered ("(none)\n"); | |
2055 | printf_filtered (" statics "); | |
2056 | if (psymtab->n_static_syms) | |
2057 | { | |
2058 | auto p | |
2059 | = &objfile->static_psymbols[psymtab->statics_offset]; | |
2060 | ||
2061 | printf_filtered | |
2062 | ("(* (struct partial_symbol **) %s @ %d)\n", | |
2063 | host_address_to_string (p), | |
2064 | psymtab->n_static_syms); | |
2065 | } | |
2066 | else | |
2067 | printf_filtered ("(none)\n"); | |
2068 | printf_filtered (" dependencies "); | |
2069 | if (psymtab->number_of_dependencies) | |
2070 | { | |
2071 | int i; | |
2072 | ||
2073 | printf_filtered ("{\n"); | |
2074 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
2075 | { | |
2076 | struct partial_symtab *dep = psymtab->dependencies[i]; | |
2077 | ||
2078 | /* Note the string concatenation there --- no | |
2079 | comma. */ | |
2080 | printf_filtered (" psymtab %s " | |
2081 | "((struct partial_symtab *) %s)\n", | |
2082 | dep->filename, | |
2083 | host_address_to_string (dep)); | |
2084 | } | |
2085 | printf_filtered (" }\n"); | |
2086 | } | |
2087 | else | |
2088 | printf_filtered ("(none)\n"); | |
2089 | printf_filtered (" }\n"); | |
2090 | } | |
2091 | } | |
ccefe4c4 | 2092 | |
99d89cde TT |
2093 | if (printed_objfile_start) |
2094 | printf_filtered ("}\n"); | |
2095 | } | |
ccefe4c4 TT |
2096 | } |
2097 | ||
7d0c9981 | 2098 | /* Check consistency of currently expanded psymtabs vs symtabs. */ |
ccefe4c4 | 2099 | |
dfc7bb5b | 2100 | static void |
990b9f9f | 2101 | maintenance_check_psymtabs (const char *ignore, int from_tty) |
ccefe4c4 TT |
2102 | { |
2103 | struct symbol *sym; | |
43f3e411 | 2104 | struct compunit_symtab *cust = NULL; |
346d1dfe | 2105 | const struct blockvector *bv; |
ccefe4c4 TT |
2106 | struct block *b; |
2107 | int length; | |
2108 | ||
aed57c53 | 2109 | for (objfile *objfile : all_objfiles (current_program_space)) |
b22a7c6a | 2110 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
7d0c9981 | 2111 | { |
aed57c53 | 2112 | struct gdbarch *gdbarch = get_objfile_arch (objfile); |
7d0c9981 | 2113 | |
aed57c53 TT |
2114 | /* We don't call psymtab_to_symtab here because that may cause symtab |
2115 | expansion. When debugging a problem it helps if checkers leave | |
2116 | things unchanged. */ | |
2117 | cust = ps->compunit_symtab; | |
2118 | ||
2119 | /* First do some checks that don't require the associated symtab. */ | |
2120 | if (ps->text_high (objfile) < ps->text_low (objfile)) | |
ccefe4c4 | 2121 | { |
aed57c53 | 2122 | printf_filtered ("Psymtab "); |
ccefe4c4 | 2123 | puts_filtered (ps->filename); |
aed57c53 TT |
2124 | printf_filtered (" covers bad range "); |
2125 | fputs_filtered (paddress (gdbarch, ps->text_low (objfile)), | |
2126 | gdb_stdout); | |
2127 | printf_filtered (" - "); | |
2128 | fputs_filtered (paddress (gdbarch, ps->text_high (objfile)), | |
2129 | gdb_stdout); | |
2130 | printf_filtered ("\n"); | |
2131 | continue; | |
ccefe4c4 | 2132 | } |
aed57c53 TT |
2133 | |
2134 | /* Now do checks requiring the associated symtab. */ | |
2135 | if (cust == NULL) | |
2136 | continue; | |
2137 | bv = COMPUNIT_BLOCKVECTOR (cust); | |
2138 | b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); | |
2139 | partial_symbol **psym = &objfile->static_psymbols[ps->statics_offset]; | |
2140 | length = ps->n_static_syms; | |
2141 | while (length--) | |
2142 | { | |
2143 | sym = block_lookup_symbol (b, symbol_search_name (*psym), | |
2144 | symbol_name_match_type::SEARCH_NAME, | |
2145 | (*psym)->domain); | |
2146 | if (!sym) | |
2147 | { | |
2148 | printf_filtered ("Static symbol `"); | |
2149 | puts_filtered ((*psym)->name); | |
2150 | printf_filtered ("' only found in "); | |
2151 | puts_filtered (ps->filename); | |
2152 | printf_filtered (" psymtab\n"); | |
2153 | } | |
2154 | psym++; | |
2155 | } | |
2156 | b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
2157 | psym = &objfile->global_psymbols[ps->globals_offset]; | |
2158 | length = ps->n_global_syms; | |
2159 | while (length--) | |
ccefe4c4 | 2160 | { |
aed57c53 TT |
2161 | sym = block_lookup_symbol (b, symbol_search_name (*psym), |
2162 | symbol_name_match_type::SEARCH_NAME, | |
2163 | (*psym)->domain); | |
2164 | if (!sym) | |
2165 | { | |
2166 | printf_filtered ("Global symbol `"); | |
2167 | puts_filtered ((*psym)->name); | |
2168 | printf_filtered ("' only found in "); | |
2169 | puts_filtered (ps->filename); | |
2170 | printf_filtered (" psymtab\n"); | |
2171 | } | |
2172 | psym++; | |
2173 | } | |
2174 | if (ps->raw_text_high () != 0 | |
2175 | && (ps->text_low (objfile) < BLOCK_START (b) | |
2176 | || ps->text_high (objfile) > BLOCK_END (b))) | |
2177 | { | |
2178 | printf_filtered ("Psymtab "); | |
ccefe4c4 | 2179 | puts_filtered (ps->filename); |
aed57c53 TT |
2180 | printf_filtered (" covers "); |
2181 | fputs_filtered (paddress (gdbarch, ps->text_low (objfile)), | |
2182 | gdb_stdout); | |
2183 | printf_filtered (" - "); | |
2184 | fputs_filtered (paddress (gdbarch, ps->text_high (objfile)), | |
2185 | gdb_stdout); | |
2186 | printf_filtered (" but symtab covers only "); | |
2187 | fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout); | |
2188 | printf_filtered (" - "); | |
2189 | fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout); | |
2190 | printf_filtered ("\n"); | |
ccefe4c4 | 2191 | } |
ccefe4c4 | 2192 | } |
ccefe4c4 TT |
2193 | } |
2194 | ||
dfc7bb5b YQ |
2195 | void |
2196 | _initialize_psymtab (void) | |
2197 | { | |
2198 | add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols, _("\ | |
2199 | Print dump of current partial symbol definitions.\n\ | |
48c5e7e2 TT |
2200 | Usage: mt print psymbols [-objfile OBJFILE] [-pc ADDRESS] [--] [OUTFILE]\n\ |
2201 | mt print psymbols [-objfile OBJFILE] [-source SOURCE] [--] [OUTFILE]\n\ | |
34c41c68 DE |
2202 | Entries in the partial symbol table are dumped to file OUTFILE,\n\ |
2203 | or the terminal if OUTFILE is unspecified.\n\ | |
2204 | If ADDRESS is provided, dump only the file for that address.\n\ | |
2205 | If SOURCE is provided, dump only that file's symbols.\n\ | |
2206 | If OBJFILE is provided, dump only that file's minimal symbols."), | |
dfc7bb5b YQ |
2207 | &maintenanceprintlist); |
2208 | ||
2209 | add_cmd ("psymtabs", class_maintenance, maintenance_info_psymtabs, _("\ | |
2210 | List the partial symbol tables for all object files.\n\ | |
2211 | This does not include information about individual partial symbols,\n\ | |
2212 | just the symbol table structures themselves."), | |
2213 | &maintenanceinfolist); | |
2214 | ||
7d0c9981 DE |
2215 | add_cmd ("check-psymtabs", class_maintenance, maintenance_check_psymtabs, |
2216 | _("\ | |
2217 | Check consistency of currently expanded psymtabs versus symtabs."), | |
dfc7bb5b YQ |
2218 | &maintenancelist); |
2219 | } |