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ccefe4c4 TT |
1 | /* Partial symbol tables. |
2 | ||
3 | Copyright (C) 2009, 2010 Free Software Foundation, Inc. | |
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" | |
22 | #include "psympriv.h" | |
23 | #include "objfiles.h" | |
24 | #include "gdb_assert.h" | |
25 | #include "block.h" | |
26 | #include "filenames.h" | |
27 | #include "source.h" | |
28 | #include "addrmap.h" | |
29 | #include "gdbtypes.h" | |
30 | #include "bcache.h" | |
31 | #include "ui-out.h" | |
32 | #include "command.h" | |
33 | #include "readline/readline.h" | |
34 | #include "gdb_regex.h" | |
35 | ||
36 | #ifndef DEV_TTY | |
37 | #define DEV_TTY "/dev/tty" | |
38 | #endif | |
39 | ||
710e1a31 SW |
40 | struct psymbol_bcache |
41 | { | |
42 | struct bcache *bcache; | |
43 | }; | |
44 | ||
ccefe4c4 TT |
45 | /* A fast way to get from a psymtab to its symtab (after the first time). */ |
46 | #define PSYMTAB_TO_SYMTAB(pst) \ | |
47 | ((pst) -> symtab != NULL ? (pst) -> symtab : psymtab_to_symtab (pst)) | |
48 | ||
49 | /* Lookup a partial symbol. */ | |
50 | static struct partial_symbol *lookup_partial_symbol (struct partial_symtab *, | |
51 | const char *, int, | |
52 | domain_enum); | |
53 | ||
54 | static char *psymtab_to_fullname (struct partial_symtab *ps); | |
55 | ||
56 | static struct partial_symbol *find_pc_sect_psymbol (struct partial_symtab *, | |
57 | CORE_ADDR, | |
58 | struct obj_section *); | |
59 | ||
60 | static struct partial_symbol *fixup_psymbol_section (struct partial_symbol | |
61 | *psym, | |
62 | struct objfile *objfile); | |
63 | ||
64 | static struct symtab *psymtab_to_symtab (struct partial_symtab *pst); | |
65 | ||
66 | /* Lookup the partial symbol table of a source file named NAME. | |
67 | *If* there is no '/' in the name, a match after a '/' | |
68 | in the psymtab filename will also work. */ | |
69 | ||
70 | static struct partial_symtab * | |
71 | lookup_partial_symtab (struct objfile *objfile, const char *name, | |
72 | const char *full_path, const char *real_path) | |
73 | { | |
74 | struct partial_symtab *pst; | |
75 | ||
76 | ALL_OBJFILE_PSYMTABS (objfile, pst) | |
77 | { | |
78 | if (FILENAME_CMP (name, pst->filename) == 0) | |
79 | { | |
80 | return (pst); | |
81 | } | |
82 | ||
83 | /* If the user gave us an absolute path, try to find the file in | |
84 | this symtab and use its absolute path. */ | |
85 | if (full_path != NULL) | |
86 | { | |
87 | psymtab_to_fullname (pst); | |
88 | if (pst->fullname != NULL | |
89 | && FILENAME_CMP (full_path, pst->fullname) == 0) | |
90 | { | |
91 | return pst; | |
92 | } | |
93 | } | |
94 | ||
95 | if (real_path != NULL) | |
96 | { | |
97 | char *rp = NULL; | |
98 | psymtab_to_fullname (pst); | |
99 | if (pst->fullname != NULL) | |
100 | { | |
101 | rp = gdb_realpath (pst->fullname); | |
102 | make_cleanup (xfree, rp); | |
103 | } | |
104 | if (rp != NULL && FILENAME_CMP (real_path, rp) == 0) | |
105 | { | |
106 | return pst; | |
107 | } | |
108 | } | |
109 | } | |
110 | ||
111 | /* Now, search for a matching tail (only if name doesn't have any dirs) */ | |
112 | ||
113 | if (lbasename (name) == name) | |
114 | ALL_OBJFILE_PSYMTABS (objfile, pst) | |
115 | { | |
116 | if (FILENAME_CMP (lbasename (pst->filename), name) == 0) | |
117 | return (pst); | |
118 | } | |
119 | ||
120 | return (NULL); | |
121 | } | |
122 | ||
123 | static int | |
124 | lookup_symtab_via_partial_symtab (struct objfile *objfile, const char *name, | |
125 | const char *full_path, const char *real_path, | |
126 | struct symtab **result) | |
127 | { | |
128 | struct partial_symtab *ps; | |
129 | ||
130 | ps = lookup_partial_symtab (objfile, name, full_path, real_path); | |
131 | if (!ps) | |
132 | return 0; | |
133 | ||
134 | if (ps->readin) | |
135 | error (_("Internal: readin %s pst for `%s' found when no symtab found."), | |
136 | ps->filename, name); | |
137 | ||
138 | *result = PSYMTAB_TO_SYMTAB (ps); | |
139 | return 1; | |
140 | } | |
141 | ||
142 | /* Find which partial symtab contains PC and SECTION starting at psymtab PST. | |
143 | We may find a different psymtab than PST. See FIND_PC_SECT_PSYMTAB. */ | |
144 | ||
145 | static struct partial_symtab * | |
146 | find_pc_sect_psymtab_closer (CORE_ADDR pc, struct obj_section *section, | |
147 | struct partial_symtab *pst, | |
148 | struct minimal_symbol *msymbol) | |
149 | { | |
150 | struct objfile *objfile = pst->objfile; | |
151 | struct partial_symtab *tpst; | |
152 | struct partial_symtab *best_pst = pst; | |
153 | CORE_ADDR best_addr = pst->textlow; | |
154 | ||
155 | /* An objfile that has its functions reordered might have | |
156 | many partial symbol tables containing the PC, but | |
157 | we want the partial symbol table that contains the | |
158 | function containing the PC. */ | |
159 | if (!(objfile->flags & OBJF_REORDERED) && | |
160 | section == 0) /* can't validate section this way */ | |
161 | return pst; | |
162 | ||
163 | if (msymbol == NULL) | |
164 | return (pst); | |
165 | ||
166 | /* The code range of partial symtabs sometimes overlap, so, in | |
167 | the loop below, we need to check all partial symtabs and | |
168 | find the one that fits better for the given PC address. We | |
169 | select the partial symtab that contains a symbol whose | |
170 | address is closest to the PC address. By closest we mean | |
171 | that find_pc_sect_symbol returns the symbol with address | |
172 | that is closest and still less than the given PC. */ | |
173 | for (tpst = pst; tpst != NULL; tpst = tpst->next) | |
174 | { | |
175 | if (pc >= tpst->textlow && pc < tpst->texthigh) | |
176 | { | |
177 | struct partial_symbol *p; | |
178 | CORE_ADDR this_addr; | |
179 | ||
180 | /* NOTE: This assumes that every psymbol has a | |
181 | corresponding msymbol, which is not necessarily | |
182 | true; the debug info might be much richer than the | |
183 | object's symbol table. */ | |
184 | p = find_pc_sect_psymbol (tpst, pc, section); | |
185 | if (p != NULL | |
186 | && SYMBOL_VALUE_ADDRESS (p) | |
187 | == SYMBOL_VALUE_ADDRESS (msymbol)) | |
188 | return tpst; | |
189 | ||
190 | /* Also accept the textlow value of a psymtab as a | |
191 | "symbol", to provide some support for partial | |
192 | symbol tables with line information but no debug | |
193 | symbols (e.g. those produced by an assembler). */ | |
194 | if (p != NULL) | |
195 | this_addr = SYMBOL_VALUE_ADDRESS (p); | |
196 | else | |
197 | this_addr = tpst->textlow; | |
198 | ||
199 | /* Check whether it is closer than our current | |
200 | BEST_ADDR. Since this symbol address is | |
201 | necessarily lower or equal to PC, the symbol closer | |
202 | to PC is the symbol which address is the highest. | |
203 | This way we return the psymtab which contains such | |
204 | best match symbol. This can help in cases where the | |
205 | symbol information/debuginfo is not complete, like | |
206 | for instance on IRIX6 with gcc, where no debug info | |
207 | is emitted for statics. (See also the nodebug.exp | |
208 | testcase.) */ | |
209 | if (this_addr > best_addr) | |
210 | { | |
211 | best_addr = this_addr; | |
212 | best_pst = tpst; | |
213 | } | |
214 | } | |
215 | } | |
216 | return best_pst; | |
217 | } | |
218 | ||
219 | /* Find which partial symtab contains PC and SECTION. Return 0 if | |
220 | none. We return the psymtab that contains a symbol whose address | |
221 | exactly matches PC, or, if we cannot find an exact match, the | |
222 | psymtab that contains a symbol whose address is closest to PC. */ | |
223 | static struct partial_symtab * | |
224 | find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc, | |
225 | struct obj_section *section, | |
226 | struct minimal_symbol *msymbol) | |
227 | { | |
228 | struct partial_symtab *pst; | |
229 | ||
230 | /* Try just the PSYMTABS_ADDRMAP mapping first as it has better granularity | |
231 | than the later used TEXTLOW/TEXTHIGH one. */ | |
232 | ||
233 | if (objfile->psymtabs_addrmap != NULL) | |
234 | { | |
235 | pst = addrmap_find (objfile->psymtabs_addrmap, pc); | |
236 | if (pst != NULL) | |
237 | { | |
238 | /* FIXME: addrmaps currently do not handle overlayed sections, | |
239 | so fall back to the non-addrmap case if we're debugging | |
240 | overlays and the addrmap returned the wrong section. */ | |
241 | if (overlay_debugging && msymbol && section) | |
242 | { | |
243 | struct partial_symbol *p; | |
ad3bbd48 | 244 | |
ccefe4c4 TT |
245 | /* NOTE: This assumes that every psymbol has a |
246 | corresponding msymbol, which is not necessarily | |
247 | true; the debug info might be much richer than the | |
248 | object's symbol table. */ | |
249 | p = find_pc_sect_psymbol (pst, pc, section); | |
250 | if (!p | |
251 | || SYMBOL_VALUE_ADDRESS (p) | |
252 | != SYMBOL_VALUE_ADDRESS (msymbol)) | |
253 | goto next; | |
254 | } | |
255 | ||
256 | /* We do not try to call FIND_PC_SECT_PSYMTAB_CLOSER as | |
257 | PSYMTABS_ADDRMAP we used has already the best 1-byte | |
258 | granularity and FIND_PC_SECT_PSYMTAB_CLOSER may mislead us into | |
259 | a worse chosen section due to the TEXTLOW/TEXTHIGH ranges | |
260 | overlap. */ | |
261 | ||
262 | return pst; | |
263 | } | |
264 | } | |
265 | ||
266 | next: | |
267 | ||
268 | /* Existing PSYMTABS_ADDRMAP mapping is present even for PARTIAL_SYMTABs | |
269 | which still have no corresponding full SYMTABs read. But it is not | |
270 | present for non-DWARF2 debug infos not supporting PSYMTABS_ADDRMAP in GDB | |
271 | so far. */ | |
272 | ||
273 | /* Check even OBJFILE with non-zero PSYMTABS_ADDRMAP as only several of | |
274 | its CUs may be missing in PSYMTABS_ADDRMAP as they may be varying | |
275 | debug info type in single OBJFILE. */ | |
276 | ||
277 | ALL_OBJFILE_PSYMTABS (objfile, pst) | |
278 | if (pc >= pst->textlow && pc < pst->texthigh) | |
279 | { | |
280 | struct partial_symtab *best_pst; | |
281 | ||
282 | best_pst = find_pc_sect_psymtab_closer (pc, section, pst, msymbol); | |
283 | if (best_pst != NULL) | |
284 | return best_pst; | |
285 | } | |
286 | ||
287 | return NULL; | |
288 | } | |
289 | ||
290 | static struct symtab * | |
291 | find_pc_sect_symtab_from_partial (struct objfile *objfile, | |
292 | struct minimal_symbol *msymbol, | |
293 | CORE_ADDR pc, struct obj_section *section, | |
294 | int warn_if_readin) | |
295 | { | |
296 | struct partial_symtab *ps = find_pc_sect_psymtab (objfile, pc, section, | |
297 | msymbol); | |
298 | if (ps) | |
299 | { | |
300 | if (warn_if_readin && ps->readin) | |
301 | /* Might want to error() here (in case symtab is corrupt and | |
302 | will cause a core dump), but maybe we can successfully | |
303 | continue, so let's not. */ | |
304 | warning (_("\ | |
305 | (Internal error: pc %s in read in psymtab, but not in symtab.)\n"), | |
306 | paddress (get_objfile_arch (ps->objfile), pc)); | |
307 | return PSYMTAB_TO_SYMTAB (ps); | |
308 | } | |
309 | return NULL; | |
310 | } | |
311 | ||
312 | /* Find which partial symbol within a psymtab matches PC and SECTION. | |
313 | Return 0 if none. */ | |
314 | ||
315 | static struct partial_symbol * | |
316 | find_pc_sect_psymbol (struct partial_symtab *psymtab, CORE_ADDR pc, | |
317 | struct obj_section *section) | |
318 | { | |
319 | struct partial_symbol *best = NULL, *p, **pp; | |
320 | CORE_ADDR best_pc; | |
321 | ||
322 | gdb_assert (psymtab != NULL); | |
323 | ||
324 | /* Cope with programs that start at address 0 */ | |
325 | best_pc = (psymtab->textlow != 0) ? psymtab->textlow - 1 : 0; | |
326 | ||
327 | /* Search the global symbols as well as the static symbols, so that | |
328 | find_pc_partial_function doesn't use a minimal symbol and thus | |
329 | cache a bad endaddr. */ | |
330 | for (pp = psymtab->objfile->global_psymbols.list + psymtab->globals_offset; | |
331 | (pp - (psymtab->objfile->global_psymbols.list + psymtab->globals_offset) | |
332 | < psymtab->n_global_syms); | |
333 | pp++) | |
334 | { | |
335 | p = *pp; | |
336 | if (SYMBOL_DOMAIN (p) == VAR_DOMAIN | |
337 | && SYMBOL_CLASS (p) == LOC_BLOCK | |
338 | && pc >= SYMBOL_VALUE_ADDRESS (p) | |
339 | && (SYMBOL_VALUE_ADDRESS (p) > best_pc | |
340 | || (psymtab->textlow == 0 | |
341 | && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0))) | |
342 | { | |
343 | if (section) /* match on a specific section */ | |
344 | { | |
345 | fixup_psymbol_section (p, psymtab->objfile); | |
346 | if (!matching_obj_sections (SYMBOL_OBJ_SECTION (p), section)) | |
347 | continue; | |
348 | } | |
349 | best_pc = SYMBOL_VALUE_ADDRESS (p); | |
350 | best = p; | |
351 | } | |
352 | } | |
353 | ||
354 | for (pp = psymtab->objfile->static_psymbols.list + psymtab->statics_offset; | |
355 | (pp - (psymtab->objfile->static_psymbols.list + psymtab->statics_offset) | |
356 | < psymtab->n_static_syms); | |
357 | pp++) | |
358 | { | |
359 | p = *pp; | |
360 | if (SYMBOL_DOMAIN (p) == VAR_DOMAIN | |
361 | && SYMBOL_CLASS (p) == LOC_BLOCK | |
362 | && pc >= SYMBOL_VALUE_ADDRESS (p) | |
363 | && (SYMBOL_VALUE_ADDRESS (p) > best_pc | |
364 | || (psymtab->textlow == 0 | |
365 | && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0))) | |
366 | { | |
367 | if (section) /* match on a specific section */ | |
368 | { | |
369 | fixup_psymbol_section (p, psymtab->objfile); | |
370 | if (!matching_obj_sections (SYMBOL_OBJ_SECTION (p), section)) | |
371 | continue; | |
372 | } | |
373 | best_pc = SYMBOL_VALUE_ADDRESS (p); | |
374 | best = p; | |
375 | } | |
376 | } | |
377 | ||
378 | return best; | |
379 | } | |
380 | ||
381 | static struct partial_symbol * | |
382 | fixup_psymbol_section (struct partial_symbol *psym, struct objfile *objfile) | |
383 | { | |
384 | CORE_ADDR addr; | |
385 | ||
386 | if (!psym) | |
387 | return NULL; | |
388 | ||
389 | if (SYMBOL_OBJ_SECTION (psym)) | |
390 | return psym; | |
391 | ||
392 | gdb_assert (objfile); | |
393 | ||
394 | switch (SYMBOL_CLASS (psym)) | |
395 | { | |
396 | case LOC_STATIC: | |
397 | case LOC_LABEL: | |
398 | case LOC_BLOCK: | |
399 | addr = SYMBOL_VALUE_ADDRESS (psym); | |
400 | break; | |
401 | default: | |
402 | /* Nothing else will be listed in the minsyms -- no use looking | |
403 | it up. */ | |
404 | return psym; | |
405 | } | |
406 | ||
407 | fixup_section (&psym->ginfo, addr, objfile); | |
408 | ||
409 | return psym; | |
410 | } | |
411 | ||
412 | static struct symtab * | |
413 | lookup_symbol_aux_psymtabs (struct objfile *objfile, | |
414 | int block_index, const char *name, | |
415 | const domain_enum domain) | |
416 | { | |
417 | struct partial_symtab *ps; | |
418 | const int psymtab_index = (block_index == GLOBAL_BLOCK ? 1 : 0); | |
419 | ||
420 | ALL_OBJFILE_PSYMTABS (objfile, ps) | |
421 | { | |
422 | if (!ps->readin && lookup_partial_symbol (ps, name, psymtab_index, domain)) | |
423 | return PSYMTAB_TO_SYMTAB (ps); | |
424 | } | |
425 | ||
426 | return NULL; | |
427 | } | |
428 | ||
774b6a14 TT |
429 | static void |
430 | pre_expand_symtabs_matching_psymtabs (struct objfile *objfile, | |
431 | int kind, const char *name, | |
432 | domain_enum domain) | |
58b6ab13 | 433 | { |
774b6a14 | 434 | /* Nothing. */ |
58b6ab13 TT |
435 | } |
436 | ||
ccefe4c4 TT |
437 | /* Look, in partial_symtab PST, for symbol whose natural name is NAME. |
438 | Check the global symbols if GLOBAL, the static symbols if not. */ | |
439 | ||
18430289 | 440 | static struct partial_symbol * |
ccefe4c4 TT |
441 | lookup_partial_symbol (struct partial_symtab *pst, const char *name, |
442 | int global, domain_enum domain) | |
443 | { | |
ccefe4c4 TT |
444 | struct partial_symbol **start, **psym; |
445 | struct partial_symbol **top, **real_top, **bottom, **center; | |
446 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
447 | int do_linear_search = 1; | |
448 | ||
449 | if (length == 0) | |
450 | { | |
451 | return (NULL); | |
452 | } | |
453 | start = (global ? | |
454 | pst->objfile->global_psymbols.list + pst->globals_offset : | |
455 | pst->objfile->static_psymbols.list + pst->statics_offset); | |
456 | ||
457 | if (global) /* This means we can use a binary search. */ | |
458 | { | |
459 | do_linear_search = 0; | |
460 | ||
461 | /* Binary search. This search is guaranteed to end with center | |
462 | pointing at the earliest partial symbol whose name might be | |
463 | correct. At that point *all* partial symbols with an | |
464 | appropriate name will be checked against the correct | |
465 | domain. */ | |
466 | ||
467 | bottom = start; | |
468 | top = start + length - 1; | |
469 | real_top = top; | |
470 | while (top > bottom) | |
471 | { | |
472 | center = bottom + (top - bottom) / 2; | |
473 | if (!(center < top)) | |
474 | internal_error (__FILE__, __LINE__, _("failed internal consistency check")); | |
475 | if (!do_linear_search | |
476 | && (SYMBOL_LANGUAGE (*center) == language_java)) | |
477 | { | |
478 | do_linear_search = 1; | |
479 | } | |
480 | if (strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*center), name) >= 0) | |
481 | { | |
482 | top = center; | |
483 | } | |
484 | else | |
485 | { | |
486 | bottom = center + 1; | |
487 | } | |
488 | } | |
489 | if (!(top == bottom)) | |
490 | internal_error (__FILE__, __LINE__, _("failed internal consistency check")); | |
491 | ||
492 | while (top <= real_top | |
493 | && SYMBOL_MATCHES_SEARCH_NAME (*top, name)) | |
494 | { | |
495 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*top), | |
496 | SYMBOL_DOMAIN (*top), domain)) | |
497 | return (*top); | |
498 | top++; | |
499 | } | |
500 | } | |
501 | ||
502 | /* Can't use a binary search or else we found during the binary search that | |
503 | we should also do a linear search. */ | |
504 | ||
505 | if (do_linear_search) | |
506 | { | |
507 | for (psym = start; psym < start + length; psym++) | |
508 | { | |
509 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym), | |
510 | SYMBOL_DOMAIN (*psym), domain) | |
511 | && SYMBOL_MATCHES_SEARCH_NAME (*psym, name)) | |
512 | return (*psym); | |
513 | } | |
514 | } | |
515 | ||
516 | return (NULL); | |
517 | } | |
518 | ||
519 | /* Get the symbol table that corresponds to a partial_symtab. | |
520 | This is fast after the first time you do it. In fact, there | |
521 | is an even faster macro PSYMTAB_TO_SYMTAB that does the fast | |
522 | case inline. */ | |
523 | ||
524 | static struct symtab * | |
525 | psymtab_to_symtab (struct partial_symtab *pst) | |
526 | { | |
527 | /* If it's been looked up before, return it. */ | |
528 | if (pst->symtab) | |
529 | return pst->symtab; | |
530 | ||
531 | /* If it has not yet been read in, read it. */ | |
532 | if (!pst->readin) | |
533 | { | |
534 | struct cleanup *back_to = increment_reading_symtab (); | |
ad3bbd48 | 535 | |
ccefe4c4 TT |
536 | (*pst->read_symtab) (pst); |
537 | do_cleanups (back_to); | |
538 | } | |
539 | ||
540 | return pst->symtab; | |
541 | } | |
542 | ||
543 | static void | |
544 | relocate_psymtabs (struct objfile *objfile, | |
545 | struct section_offsets *new_offsets, | |
546 | struct section_offsets *delta) | |
547 | { | |
548 | struct partial_symbol **psym; | |
549 | struct partial_symtab *p; | |
550 | ||
551 | ALL_OBJFILE_PSYMTABS (objfile, p) | |
552 | { | |
553 | p->textlow += ANOFFSET (delta, SECT_OFF_TEXT (objfile)); | |
554 | p->texthigh += ANOFFSET (delta, SECT_OFF_TEXT (objfile)); | |
555 | } | |
556 | ||
557 | for (psym = objfile->global_psymbols.list; | |
558 | psym < objfile->global_psymbols.next; | |
559 | psym++) | |
560 | { | |
561 | fixup_psymbol_section (*psym, objfile); | |
562 | if (SYMBOL_SECTION (*psym) >= 0) | |
563 | SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta, | |
564 | SYMBOL_SECTION (*psym)); | |
565 | } | |
566 | for (psym = objfile->static_psymbols.list; | |
567 | psym < objfile->static_psymbols.next; | |
568 | psym++) | |
569 | { | |
570 | fixup_psymbol_section (*psym, objfile); | |
571 | if (SYMBOL_SECTION (*psym) >= 0) | |
572 | SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta, | |
573 | SYMBOL_SECTION (*psym)); | |
574 | } | |
575 | } | |
576 | ||
577 | static struct symtab * | |
578 | find_last_source_symtab_from_partial (struct objfile *ofp) | |
579 | { | |
ccefe4c4 TT |
580 | struct partial_symtab *ps; |
581 | struct partial_symtab *cs_pst = 0; | |
582 | ||
583 | ALL_OBJFILE_PSYMTABS (ofp, ps) | |
584 | { | |
585 | const char *name = ps->filename; | |
586 | int len = strlen (name); | |
ad3bbd48 | 587 | |
ccefe4c4 TT |
588 | if (!(len > 2 && (strcmp (&name[len - 2], ".h") == 0 |
589 | || strcmp (name, "<<C++-namespaces>>") == 0))) | |
590 | cs_pst = ps; | |
591 | } | |
592 | ||
593 | if (cs_pst) | |
594 | { | |
595 | if (cs_pst->readin) | |
596 | { | |
597 | internal_error (__FILE__, __LINE__, | |
598 | _("select_source_symtab: " | |
599 | "readin pst found and no symtabs.")); | |
600 | } | |
601 | else | |
602 | return PSYMTAB_TO_SYMTAB (cs_pst); | |
603 | } | |
604 | return NULL; | |
605 | } | |
606 | ||
607 | static void | |
608 | forget_cached_source_info_partial (struct objfile *objfile) | |
609 | { | |
610 | struct partial_symtab *pst; | |
611 | ||
612 | ALL_OBJFILE_PSYMTABS (objfile, pst) | |
613 | { | |
614 | if (pst->fullname != NULL) | |
615 | { | |
616 | xfree (pst->fullname); | |
617 | pst->fullname = NULL; | |
618 | } | |
619 | } | |
620 | } | |
621 | ||
622 | static void | |
623 | print_partial_symbols (struct gdbarch *gdbarch, | |
624 | struct partial_symbol **p, int count, char *what, | |
625 | struct ui_file *outfile) | |
626 | { | |
627 | fprintf_filtered (outfile, " %s partial symbols:\n", what); | |
628 | while (count-- > 0) | |
629 | { | |
630 | fprintf_filtered (outfile, " `%s'", SYMBOL_LINKAGE_NAME (*p)); | |
631 | if (SYMBOL_DEMANGLED_NAME (*p) != NULL) | |
632 | { | |
633 | fprintf_filtered (outfile, " `%s'", SYMBOL_DEMANGLED_NAME (*p)); | |
634 | } | |
635 | fputs_filtered (", ", outfile); | |
636 | switch (SYMBOL_DOMAIN (*p)) | |
637 | { | |
638 | case UNDEF_DOMAIN: | |
639 | fputs_filtered ("undefined domain, ", outfile); | |
640 | break; | |
641 | case VAR_DOMAIN: | |
642 | /* This is the usual thing -- don't print it */ | |
643 | break; | |
644 | case STRUCT_DOMAIN: | |
645 | fputs_filtered ("struct domain, ", outfile); | |
646 | break; | |
647 | case LABEL_DOMAIN: | |
648 | fputs_filtered ("label domain, ", outfile); | |
649 | break; | |
650 | default: | |
651 | fputs_filtered ("<invalid domain>, ", outfile); | |
652 | break; | |
653 | } | |
654 | switch (SYMBOL_CLASS (*p)) | |
655 | { | |
656 | case LOC_UNDEF: | |
657 | fputs_filtered ("undefined", outfile); | |
658 | break; | |
659 | case LOC_CONST: | |
660 | fputs_filtered ("constant int", outfile); | |
661 | break; | |
662 | case LOC_STATIC: | |
663 | fputs_filtered ("static", outfile); | |
664 | break; | |
665 | case LOC_REGISTER: | |
666 | fputs_filtered ("register", outfile); | |
667 | break; | |
668 | case LOC_ARG: | |
669 | fputs_filtered ("pass by value", outfile); | |
670 | break; | |
671 | case LOC_REF_ARG: | |
672 | fputs_filtered ("pass by reference", outfile); | |
673 | break; | |
674 | case LOC_REGPARM_ADDR: | |
675 | fputs_filtered ("register address parameter", outfile); | |
676 | break; | |
677 | case LOC_LOCAL: | |
678 | fputs_filtered ("stack parameter", outfile); | |
679 | break; | |
680 | case LOC_TYPEDEF: | |
681 | fputs_filtered ("type", outfile); | |
682 | break; | |
683 | case LOC_LABEL: | |
684 | fputs_filtered ("label", outfile); | |
685 | break; | |
686 | case LOC_BLOCK: | |
687 | fputs_filtered ("function", outfile); | |
688 | break; | |
689 | case LOC_CONST_BYTES: | |
690 | fputs_filtered ("constant bytes", outfile); | |
691 | break; | |
692 | case LOC_UNRESOLVED: | |
693 | fputs_filtered ("unresolved", outfile); | |
694 | break; | |
695 | case LOC_OPTIMIZED_OUT: | |
696 | fputs_filtered ("optimized out", outfile); | |
697 | break; | |
698 | case LOC_COMPUTED: | |
699 | fputs_filtered ("computed at runtime", outfile); | |
700 | break; | |
701 | default: | |
702 | fputs_filtered ("<invalid location>", outfile); | |
703 | break; | |
704 | } | |
705 | fputs_filtered (", ", outfile); | |
706 | fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (*p)), outfile); | |
707 | fprintf_filtered (outfile, "\n"); | |
708 | p++; | |
709 | } | |
710 | } | |
711 | ||
712 | static void | |
713 | dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab, | |
714 | struct ui_file *outfile) | |
715 | { | |
716 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
717 | int i; | |
718 | ||
719 | fprintf_filtered (outfile, "\nPartial symtab for source file %s ", | |
720 | psymtab->filename); | |
721 | fprintf_filtered (outfile, "(object "); | |
722 | gdb_print_host_address (psymtab, outfile); | |
723 | fprintf_filtered (outfile, ")\n\n"); | |
724 | fprintf_unfiltered (outfile, " Read from object file %s (", | |
725 | objfile->name); | |
726 | gdb_print_host_address (objfile, outfile); | |
727 | fprintf_unfiltered (outfile, ")\n"); | |
728 | ||
729 | if (psymtab->readin) | |
730 | { | |
731 | fprintf_filtered (outfile, | |
732 | " Full symtab was read (at "); | |
733 | gdb_print_host_address (psymtab->symtab, outfile); | |
734 | fprintf_filtered (outfile, " by function at "); | |
735 | gdb_print_host_address (psymtab->read_symtab, outfile); | |
736 | fprintf_filtered (outfile, ")\n"); | |
737 | } | |
738 | ||
739 | fprintf_filtered (outfile, " Relocate symbols by "); | |
740 | for (i = 0; i < psymtab->objfile->num_sections; ++i) | |
741 | { | |
742 | if (i != 0) | |
743 | fprintf_filtered (outfile, ", "); | |
744 | wrap_here (" "); | |
745 | fputs_filtered (paddress (gdbarch, | |
746 | ANOFFSET (psymtab->section_offsets, i)), | |
747 | outfile); | |
748 | } | |
749 | fprintf_filtered (outfile, "\n"); | |
750 | ||
751 | fprintf_filtered (outfile, " Symbols cover text addresses "); | |
752 | fputs_filtered (paddress (gdbarch, psymtab->textlow), outfile); | |
753 | fprintf_filtered (outfile, "-"); | |
754 | fputs_filtered (paddress (gdbarch, psymtab->texthigh), outfile); | |
755 | fprintf_filtered (outfile, "\n"); | |
756 | fprintf_filtered (outfile, " Depends on %d other partial symtabs.\n", | |
757 | psymtab->number_of_dependencies); | |
758 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
759 | { | |
760 | fprintf_filtered (outfile, " %d ", i); | |
761 | gdb_print_host_address (psymtab->dependencies[i], outfile); | |
762 | fprintf_filtered (outfile, " %s\n", | |
763 | psymtab->dependencies[i]->filename); | |
764 | } | |
765 | if (psymtab->n_global_syms > 0) | |
766 | { | |
767 | print_partial_symbols (gdbarch, | |
768 | objfile->global_psymbols.list | |
769 | + psymtab->globals_offset, | |
770 | psymtab->n_global_syms, "Global", outfile); | |
771 | } | |
772 | if (psymtab->n_static_syms > 0) | |
773 | { | |
774 | print_partial_symbols (gdbarch, | |
775 | objfile->static_psymbols.list | |
776 | + psymtab->statics_offset, | |
777 | psymtab->n_static_syms, "Static", outfile); | |
778 | } | |
779 | fprintf_filtered (outfile, "\n"); | |
780 | } | |
781 | ||
782 | static void | |
783 | print_psymtab_stats_for_objfile (struct objfile *objfile) | |
784 | { | |
785 | int i; | |
786 | struct partial_symtab *ps; | |
ad3bbd48 | 787 | |
ccefe4c4 TT |
788 | i = 0; |
789 | ALL_OBJFILE_PSYMTABS (objfile, ps) | |
790 | { | |
791 | if (ps->readin == 0) | |
792 | i++; | |
793 | } | |
794 | printf_filtered (_(" Number of psym tables (not yet expanded): %d\n"), i); | |
795 | } | |
796 | ||
797 | static void | |
798 | dump_psymtabs_for_objfile (struct objfile *objfile) | |
799 | { | |
800 | struct partial_symtab *psymtab; | |
801 | ||
802 | if (objfile->psymtabs) | |
803 | { | |
804 | printf_filtered ("Psymtabs:\n"); | |
805 | for (psymtab = objfile->psymtabs; | |
806 | psymtab != NULL; | |
807 | psymtab = psymtab->next) | |
808 | { | |
809 | printf_filtered ("%s at ", | |
810 | psymtab->filename); | |
811 | gdb_print_host_address (psymtab, gdb_stdout); | |
812 | printf_filtered (", "); | |
813 | if (psymtab->objfile != objfile) | |
814 | { | |
815 | printf_filtered ("NOT ON CHAIN! "); | |
816 | } | |
817 | wrap_here (" "); | |
818 | } | |
819 | printf_filtered ("\n\n"); | |
820 | } | |
821 | } | |
822 | ||
823 | /* Look through the partial symtabs for all symbols which begin | |
824 | by matching FUNC_NAME. Make sure we read that symbol table in. */ | |
825 | ||
826 | static void | |
827 | read_symtabs_for_function (struct objfile *objfile, const char *func_name) | |
828 | { | |
829 | struct partial_symtab *ps; | |
830 | ||
831 | ALL_OBJFILE_PSYMTABS (objfile, ps) | |
832 | { | |
833 | if (ps->readin) | |
834 | continue; | |
835 | ||
836 | if ((lookup_partial_symbol (ps, func_name, 1, VAR_DOMAIN) | |
837 | != NULL) | |
838 | || (lookup_partial_symbol (ps, func_name, 0, VAR_DOMAIN) | |
839 | != NULL)) | |
840 | psymtab_to_symtab (ps); | |
841 | } | |
842 | } | |
843 | ||
844 | static void | |
845 | expand_partial_symbol_tables (struct objfile *objfile) | |
846 | { | |
847 | struct partial_symtab *psymtab; | |
848 | ||
849 | for (psymtab = objfile->psymtabs; | |
850 | psymtab != NULL; | |
851 | psymtab = psymtab->next) | |
852 | { | |
853 | psymtab_to_symtab (psymtab); | |
854 | } | |
855 | } | |
856 | ||
857 | static void | |
858 | read_psymtabs_with_filename (struct objfile *objfile, const char *filename) | |
859 | { | |
860 | struct partial_symtab *p; | |
861 | ||
862 | ALL_OBJFILE_PSYMTABS (objfile, p) | |
863 | { | |
864 | if (strcmp (filename, p->filename) == 0) | |
865 | PSYMTAB_TO_SYMTAB (p); | |
866 | } | |
867 | } | |
868 | ||
869 | static void | |
870 | map_symbol_names_psymtab (struct objfile *objfile, | |
871 | void (*fun) (const char *, void *), void *data) | |
872 | { | |
873 | struct partial_symtab *ps; | |
ad3bbd48 | 874 | |
ccefe4c4 TT |
875 | ALL_OBJFILE_PSYMTABS (objfile, ps) |
876 | { | |
877 | struct partial_symbol **psym; | |
878 | ||
879 | /* If the psymtab's been read in we'll get it when we search | |
880 | through the blockvector. */ | |
881 | if (ps->readin) | |
882 | continue; | |
883 | ||
884 | for (psym = objfile->global_psymbols.list + ps->globals_offset; | |
885 | psym < (objfile->global_psymbols.list + ps->globals_offset | |
886 | + ps->n_global_syms); | |
887 | psym++) | |
888 | { | |
889 | /* If interrupted, then quit. */ | |
890 | QUIT; | |
891 | (*fun) (SYMBOL_NATURAL_NAME (*psym), data); | |
892 | } | |
893 | ||
894 | for (psym = objfile->static_psymbols.list + ps->statics_offset; | |
895 | psym < (objfile->static_psymbols.list + ps->statics_offset | |
896 | + ps->n_static_syms); | |
897 | psym++) | |
898 | { | |
899 | QUIT; | |
900 | (*fun) (SYMBOL_NATURAL_NAME (*psym), data); | |
901 | } | |
902 | } | |
903 | } | |
904 | ||
905 | static void | |
906 | map_symbol_filenames_psymtab (struct objfile *objfile, | |
907 | void (*fun) (const char *, const char *, | |
908 | void *), | |
909 | void *data) | |
910 | { | |
911 | struct partial_symtab *ps; | |
912 | ||
913 | ALL_OBJFILE_PSYMTABS (objfile, ps) | |
914 | { | |
915 | const char *fullname; | |
916 | ||
917 | if (ps->readin) | |
918 | continue; | |
919 | ||
920 | fullname = psymtab_to_fullname (ps); | |
2837d59e | 921 | (*fun) (ps->filename, fullname, data); |
ccefe4c4 TT |
922 | } |
923 | } | |
924 | ||
925 | int find_and_open_source (const char *filename, | |
926 | const char *dirname, | |
927 | char **fullname); | |
928 | ||
929 | /* Finds the fullname that a partial_symtab represents. | |
930 | ||
931 | If this functions finds the fullname, it will save it in ps->fullname | |
932 | and it will also return the value. | |
933 | ||
934 | If this function fails to find the file that this partial_symtab represents, | |
935 | NULL will be returned and ps->fullname will be set to NULL. */ | |
936 | static char * | |
937 | psymtab_to_fullname (struct partial_symtab *ps) | |
938 | { | |
939 | int r; | |
940 | ||
941 | if (!ps) | |
942 | return NULL; | |
943 | ||
944 | /* Don't check ps->fullname here, the file could have been | |
945 | deleted/moved/..., look for it again */ | |
946 | r = find_and_open_source (ps->filename, ps->dirname, &ps->fullname); | |
947 | ||
948 | if (r >= 0) | |
949 | { | |
950 | close (r); | |
951 | return ps->fullname; | |
952 | } | |
953 | ||
954 | return NULL; | |
955 | } | |
956 | ||
dd786858 | 957 | static const char * |
ccefe4c4 TT |
958 | find_symbol_file_from_partial (struct objfile *objfile, const char *name) |
959 | { | |
960 | struct partial_symtab *pst; | |
961 | ||
962 | ALL_OBJFILE_PSYMTABS (objfile, pst) | |
963 | { | |
964 | if (lookup_partial_symbol (pst, name, 1, VAR_DOMAIN)) | |
965 | return pst->filename; | |
966 | } | |
967 | return NULL; | |
968 | } | |
969 | ||
970 | /* Look, in partial_symtab PST, for symbol NAME in given namespace. | |
971 | Check the global symbols if GLOBAL, the static symbols if not. | |
972 | Do wild-card match if WILD. */ | |
973 | ||
974 | static struct partial_symbol * | |
975 | ada_lookup_partial_symbol (struct partial_symtab *pst, const char *name, | |
976 | int global, domain_enum namespace, int wild, | |
977 | int (*wild_match) (const char *, int, const char *), | |
978 | int (*is_name_suffix) (const char *)) | |
979 | { | |
980 | struct partial_symbol **start; | |
981 | int name_len = strlen (name); | |
982 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
983 | int i; | |
984 | ||
985 | if (length == 0) | |
986 | { | |
987 | return (NULL); | |
988 | } | |
989 | ||
990 | start = (global ? | |
991 | pst->objfile->global_psymbols.list + pst->globals_offset : | |
992 | pst->objfile->static_psymbols.list + pst->statics_offset); | |
993 | ||
994 | if (wild) | |
995 | { | |
996 | for (i = 0; i < length; i += 1) | |
997 | { | |
998 | struct partial_symbol *psym = start[i]; | |
999 | ||
1000 | if (symbol_matches_domain (SYMBOL_LANGUAGE (psym), | |
1001 | SYMBOL_DOMAIN (psym), namespace) | |
1002 | && (*wild_match) (name, name_len, SYMBOL_LINKAGE_NAME (psym))) | |
1003 | return psym; | |
1004 | } | |
1005 | return NULL; | |
1006 | } | |
1007 | else | |
1008 | { | |
1009 | if (global) | |
1010 | { | |
1011 | int U; | |
ad3bbd48 | 1012 | |
ccefe4c4 TT |
1013 | i = 0; |
1014 | U = length - 1; | |
1015 | while (U - i > 4) | |
1016 | { | |
1017 | int M = (U + i) >> 1; | |
1018 | struct partial_symbol *psym = start[M]; | |
ad3bbd48 | 1019 | |
ccefe4c4 TT |
1020 | if (SYMBOL_LINKAGE_NAME (psym)[0] < name[0]) |
1021 | i = M + 1; | |
1022 | else if (SYMBOL_LINKAGE_NAME (psym)[0] > name[0]) | |
1023 | U = M - 1; | |
1024 | else if (strcmp (SYMBOL_LINKAGE_NAME (psym), name) < 0) | |
1025 | i = M + 1; | |
1026 | else | |
1027 | U = M; | |
1028 | } | |
1029 | } | |
1030 | else | |
1031 | i = 0; | |
1032 | ||
1033 | while (i < length) | |
1034 | { | |
1035 | struct partial_symbol *psym = start[i]; | |
1036 | ||
1037 | if (symbol_matches_domain (SYMBOL_LANGUAGE (psym), | |
1038 | SYMBOL_DOMAIN (psym), namespace)) | |
1039 | { | |
1040 | int cmp = strncmp (name, SYMBOL_LINKAGE_NAME (psym), name_len); | |
1041 | ||
1042 | if (cmp < 0) | |
1043 | { | |
1044 | if (global) | |
1045 | break; | |
1046 | } | |
1047 | else if (cmp == 0 | |
1048 | && (*is_name_suffix) (SYMBOL_LINKAGE_NAME (psym) | |
1049 | + name_len)) | |
1050 | return psym; | |
1051 | } | |
1052 | i += 1; | |
1053 | } | |
1054 | ||
1055 | if (global) | |
1056 | { | |
1057 | int U; | |
ad3bbd48 | 1058 | |
ccefe4c4 TT |
1059 | i = 0; |
1060 | U = length - 1; | |
1061 | while (U - i > 4) | |
1062 | { | |
1063 | int M = (U + i) >> 1; | |
1064 | struct partial_symbol *psym = start[M]; | |
ad3bbd48 | 1065 | |
ccefe4c4 TT |
1066 | if (SYMBOL_LINKAGE_NAME (psym)[0] < '_') |
1067 | i = M + 1; | |
1068 | else if (SYMBOL_LINKAGE_NAME (psym)[0] > '_') | |
1069 | U = M - 1; | |
1070 | else if (strcmp (SYMBOL_LINKAGE_NAME (psym), "_ada_") < 0) | |
1071 | i = M + 1; | |
1072 | else | |
1073 | U = M; | |
1074 | } | |
1075 | } | |
1076 | else | |
1077 | i = 0; | |
1078 | ||
1079 | while (i < length) | |
1080 | { | |
1081 | struct partial_symbol *psym = start[i]; | |
1082 | ||
1083 | if (symbol_matches_domain (SYMBOL_LANGUAGE (psym), | |
1084 | SYMBOL_DOMAIN (psym), namespace)) | |
1085 | { | |
1086 | int cmp; | |
1087 | ||
1088 | cmp = (int) '_' - (int) SYMBOL_LINKAGE_NAME (psym)[0]; | |
1089 | if (cmp == 0) | |
1090 | { | |
1091 | cmp = strncmp ("_ada_", SYMBOL_LINKAGE_NAME (psym), 5); | |
1092 | if (cmp == 0) | |
1093 | cmp = strncmp (name, SYMBOL_LINKAGE_NAME (psym) + 5, | |
1094 | name_len); | |
1095 | } | |
1096 | ||
1097 | if (cmp < 0) | |
1098 | { | |
1099 | if (global) | |
1100 | break; | |
1101 | } | |
1102 | else if (cmp == 0 | |
1103 | && (*is_name_suffix) (SYMBOL_LINKAGE_NAME (psym) | |
1104 | + name_len + 5)) | |
1105 | return psym; | |
1106 | } | |
1107 | i += 1; | |
1108 | } | |
1109 | } | |
1110 | return NULL; | |
1111 | } | |
1112 | ||
1113 | static void | |
1114 | map_ada_symtabs (struct objfile *objfile, | |
1115 | int (*wild_match) (const char *, int, const char *), | |
1116 | int (*is_name_suffix) (const char *), | |
1117 | void (*callback) (struct objfile *, struct symtab *, void *), | |
1118 | const char *name, int global, domain_enum namespace, int wild, | |
1119 | void *data) | |
1120 | { | |
1121 | struct partial_symtab *ps; | |
1122 | ||
1123 | ALL_OBJFILE_PSYMTABS (objfile, ps) | |
1124 | { | |
1125 | QUIT; | |
1126 | if (ps->readin | |
1127 | || ada_lookup_partial_symbol (ps, name, global, namespace, wild, | |
1128 | wild_match, is_name_suffix)) | |
1129 | { | |
1130 | struct symtab *s = PSYMTAB_TO_SYMTAB (ps); | |
ad3bbd48 | 1131 | |
ccefe4c4 TT |
1132 | if (s == NULL || !s->primary) |
1133 | continue; | |
1134 | (*callback) (objfile, s, data); | |
1135 | } | |
1136 | } | |
1137 | } | |
1138 | ||
1139 | static void | |
1140 | expand_symtabs_matching_via_partial (struct objfile *objfile, | |
1141 | int (*file_matcher) (const char *, void *), | |
1142 | int (*name_matcher) (const char *, void *), | |
1143 | domain_enum kind, | |
1144 | void *data) | |
1145 | { | |
1146 | struct partial_symtab *ps; | |
1147 | ||
1148 | ALL_OBJFILE_PSYMTABS (objfile, ps) | |
1149 | { | |
1150 | struct partial_symbol **psym; | |
1151 | struct partial_symbol **bound, **gbound, **sbound; | |
1152 | int keep_going = 1; | |
1153 | ||
1154 | if (ps->readin) | |
1155 | continue; | |
1156 | ||
1157 | if (! (*file_matcher) (ps->filename, data)) | |
1158 | continue; | |
1159 | ||
1160 | gbound = objfile->global_psymbols.list + ps->globals_offset + ps->n_global_syms; | |
1161 | sbound = objfile->static_psymbols.list + ps->statics_offset + ps->n_static_syms; | |
1162 | bound = gbound; | |
1163 | ||
1164 | /* Go through all of the symbols stored in a partial | |
1165 | symtab in one loop. */ | |
1166 | psym = objfile->global_psymbols.list + ps->globals_offset; | |
1167 | while (keep_going) | |
1168 | { | |
1169 | if (psym >= bound) | |
1170 | { | |
1171 | if (bound == gbound && ps->n_static_syms != 0) | |
1172 | { | |
1173 | psym = objfile->static_psymbols.list + ps->statics_offset; | |
1174 | bound = sbound; | |
1175 | } | |
1176 | else | |
1177 | keep_going = 0; | |
1178 | continue; | |
1179 | } | |
1180 | else | |
1181 | { | |
1182 | QUIT; | |
1183 | ||
1184 | if ((*name_matcher) (SYMBOL_NATURAL_NAME (*psym), data) | |
1185 | && ((kind == VARIABLES_DOMAIN | |
1186 | && SYMBOL_CLASS (*psym) != LOC_TYPEDEF | |
1187 | && SYMBOL_CLASS (*psym) != LOC_BLOCK) | |
1188 | || (kind == FUNCTIONS_DOMAIN | |
1189 | && SYMBOL_CLASS (*psym) == LOC_BLOCK) | |
1190 | || (kind == TYPES_DOMAIN | |
1191 | && SYMBOL_CLASS (*psym) == LOC_TYPEDEF))) | |
1192 | { | |
1193 | PSYMTAB_TO_SYMTAB (ps); | |
1194 | keep_going = 0; | |
1195 | } | |
1196 | } | |
1197 | psym++; | |
1198 | } | |
1199 | } | |
1200 | } | |
1201 | ||
1202 | static int | |
1203 | objfile_has_psyms (struct objfile *objfile) | |
1204 | { | |
1205 | return objfile->psymtabs != NULL; | |
1206 | } | |
1207 | ||
1208 | const struct quick_symbol_functions psym_functions = | |
1209 | { | |
1210 | objfile_has_psyms, | |
1211 | find_last_source_symtab_from_partial, | |
1212 | forget_cached_source_info_partial, | |
1213 | lookup_symtab_via_partial_symtab, | |
1214 | lookup_symbol_aux_psymtabs, | |
774b6a14 | 1215 | pre_expand_symtabs_matching_psymtabs, |
ccefe4c4 TT |
1216 | print_psymtab_stats_for_objfile, |
1217 | dump_psymtabs_for_objfile, | |
1218 | relocate_psymtabs, | |
1219 | read_symtabs_for_function, | |
1220 | expand_partial_symbol_tables, | |
1221 | read_psymtabs_with_filename, | |
1222 | find_symbol_file_from_partial, | |
1223 | map_ada_symtabs, | |
1224 | expand_symtabs_matching_via_partial, | |
1225 | find_pc_sect_symtab_from_partial, | |
1226 | map_symbol_names_psymtab, | |
1227 | map_symbol_filenames_psymtab | |
1228 | }; | |
1229 | ||
1230 | \f | |
1231 | ||
1232 | /* This compares two partial symbols by names, using strcmp_iw_ordered | |
1233 | for the comparison. */ | |
1234 | ||
1235 | static int | |
1236 | compare_psymbols (const void *s1p, const void *s2p) | |
1237 | { | |
1238 | struct partial_symbol *const *s1 = s1p; | |
1239 | struct partial_symbol *const *s2 = s2p; | |
1240 | ||
1241 | return strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*s1), | |
1242 | SYMBOL_SEARCH_NAME (*s2)); | |
1243 | } | |
1244 | ||
1245 | void | |
1246 | sort_pst_symbols (struct partial_symtab *pst) | |
1247 | { | |
1248 | /* Sort the global list; don't sort the static list */ | |
1249 | ||
1250 | qsort (pst->objfile->global_psymbols.list + pst->globals_offset, | |
1251 | pst->n_global_syms, sizeof (struct partial_symbol *), | |
1252 | compare_psymbols); | |
1253 | } | |
1254 | ||
1255 | /* Allocate and partially fill a partial symtab. It will be | |
1256 | completely filled at the end of the symbol list. | |
1257 | ||
1258 | FILENAME is the name of the symbol-file we are reading from. */ | |
1259 | ||
1260 | struct partial_symtab * | |
1261 | start_psymtab_common (struct objfile *objfile, | |
1262 | struct section_offsets *section_offsets, | |
1263 | const char *filename, | |
1264 | CORE_ADDR textlow, struct partial_symbol **global_syms, | |
1265 | struct partial_symbol **static_syms) | |
1266 | { | |
1267 | struct partial_symtab *psymtab; | |
1268 | ||
1269 | psymtab = allocate_psymtab (filename, objfile); | |
1270 | psymtab->section_offsets = section_offsets; | |
1271 | psymtab->textlow = textlow; | |
1272 | psymtab->texthigh = psymtab->textlow; /* default */ | |
1273 | psymtab->globals_offset = global_syms - objfile->global_psymbols.list; | |
1274 | psymtab->statics_offset = static_syms - objfile->static_psymbols.list; | |
1275 | return (psymtab); | |
1276 | } | |
1277 | ||
cbd70537 SW |
1278 | /* Calculate a hash code for the given partial symbol. The hash is |
1279 | calculated using the symbol's value, language, domain, class | |
1280 | and name. These are the values which are set by | |
1281 | add_psymbol_to_bcache. */ | |
1282 | ||
710e1a31 | 1283 | static unsigned long |
cbd70537 SW |
1284 | psymbol_hash (const void *addr, int length) |
1285 | { | |
1286 | unsigned long h = 0; | |
1287 | struct partial_symbol *psymbol = (struct partial_symbol *) addr; | |
1288 | unsigned int lang = psymbol->ginfo.language; | |
1289 | unsigned int domain = PSYMBOL_DOMAIN (psymbol); | |
1290 | unsigned int class = PSYMBOL_CLASS (psymbol); | |
1291 | ||
1292 | h = hash_continue (&psymbol->ginfo.value, sizeof (psymbol->ginfo.value), h); | |
1293 | h = hash_continue (&lang, sizeof (unsigned int), h); | |
1294 | h = hash_continue (&domain, sizeof (unsigned int), h); | |
1295 | h = hash_continue (&class, sizeof (unsigned int), h); | |
1296 | h = hash_continue (psymbol->ginfo.name, strlen (psymbol->ginfo.name), h); | |
1297 | ||
1298 | return h; | |
1299 | } | |
1300 | ||
1301 | /* Returns true if the symbol at addr1 equals the symbol at addr2. | |
1302 | For the comparison this function uses a symbols value, | |
1303 | language, domain, class and name. */ | |
1304 | ||
710e1a31 | 1305 | static int |
cbd70537 SW |
1306 | psymbol_compare (const void *addr1, const void *addr2, int length) |
1307 | { | |
1308 | struct partial_symbol *sym1 = (struct partial_symbol *) addr1; | |
1309 | struct partial_symbol *sym2 = (struct partial_symbol *) addr2; | |
1310 | ||
1311 | return (memcmp (&sym1->ginfo.value, &sym1->ginfo.value, | |
1312 | sizeof (sym1->ginfo.value)) == 0 | |
1313 | && sym1->ginfo.language == sym2->ginfo.language | |
1314 | && PSYMBOL_DOMAIN (sym1) == PSYMBOL_DOMAIN (sym2) | |
1315 | && PSYMBOL_CLASS (sym1) == PSYMBOL_CLASS (sym2) | |
1316 | && sym1->ginfo.name == sym2->ginfo.name); | |
1317 | } | |
1318 | ||
710e1a31 SW |
1319 | /* Initialize a partial symbol bcache. */ |
1320 | ||
1321 | struct psymbol_bcache * | |
1322 | psymbol_bcache_init (void) | |
1323 | { | |
1324 | struct psymbol_bcache *bcache = XCALLOC (1, struct psymbol_bcache); | |
1325 | bcache->bcache = bcache_xmalloc (psymbol_hash, psymbol_compare); | |
1326 | return bcache; | |
1327 | } | |
1328 | ||
1329 | /* Free a partial symbol bcache. */ | |
1330 | void | |
1331 | psymbol_bcache_free (struct psymbol_bcache *bcache) | |
1332 | { | |
1333 | if (bcache == NULL) | |
1334 | return; | |
1335 | ||
1336 | bcache_xfree (bcache->bcache); | |
1337 | xfree (bcache); | |
1338 | } | |
1339 | ||
1340 | /* Return the internal bcache of the psymbol_bcache BCACHE*/ | |
1341 | ||
1342 | struct bcache * | |
1343 | psymbol_bcache_get_bcache (struct psymbol_bcache *bcache) | |
1344 | { | |
1345 | return bcache->bcache; | |
1346 | } | |
1347 | ||
1348 | /* Find a copy of the SYM in BCACHE. If BCACHE has never seen this | |
1349 | symbol before, add a copy to BCACHE. In either case, return a pointer | |
1350 | to BCACHE's copy of the symbol. If optional ADDED is not NULL, return | |
1351 | 1 in case of new entry or 0 if returning an old entry. */ | |
1352 | ||
1353 | static const struct partial_symbol * | |
1354 | psymbol_bcache_full (struct partial_symbol *sym, | |
1355 | struct psymbol_bcache *bcache, | |
1356 | int *added) | |
1357 | { | |
1358 | return bcache_full (sym, | |
1359 | sizeof (struct partial_symbol), | |
1360 | bcache->bcache, | |
1361 | added); | |
1362 | } | |
1363 | ||
ccefe4c4 TT |
1364 | /* Helper function, initialises partial symbol structure and stashes |
1365 | it into objfile's bcache. Note that our caching mechanism will | |
1366 | use all fields of struct partial_symbol to determine hash value of the | |
1367 | structure. In other words, having two symbols with the same name but | |
1368 | different domain (or address) is possible and correct. */ | |
1369 | ||
1370 | static const struct partial_symbol * | |
1371 | add_psymbol_to_bcache (char *name, int namelength, int copy_name, | |
1372 | domain_enum domain, | |
1373 | enum address_class class, | |
1374 | long val, /* Value as a long */ | |
1375 | CORE_ADDR coreaddr, /* Value as a CORE_ADDR */ | |
1376 | enum language language, struct objfile *objfile, | |
1377 | int *added) | |
1378 | { | |
cbd70537 SW |
1379 | struct partial_symbol psymbol; |
1380 | ||
fc956729 SW |
1381 | /* We must ensure that the entire 'value' field has been zeroed |
1382 | before assigning to it, because an assignment may not write the | |
1383 | entire field. */ | |
1384 | memset (&psymbol.ginfo.value, 0, sizeof (psymbol.ginfo.value)); | |
1385 | ||
ccefe4c4 TT |
1386 | /* val and coreaddr are mutually exclusive, one of them *will* be zero */ |
1387 | if (val != 0) | |
1388 | { | |
1389 | SYMBOL_VALUE (&psymbol) = val; | |
1390 | } | |
1391 | else | |
1392 | { | |
1393 | SYMBOL_VALUE_ADDRESS (&psymbol) = coreaddr; | |
1394 | } | |
1395 | SYMBOL_SECTION (&psymbol) = 0; | |
fc956729 | 1396 | SYMBOL_OBJ_SECTION (&psymbol) = NULL; |
33e5013e | 1397 | SYMBOL_SET_LANGUAGE (&psymbol, language); |
ccefe4c4 TT |
1398 | PSYMBOL_DOMAIN (&psymbol) = domain; |
1399 | PSYMBOL_CLASS (&psymbol) = class; | |
1400 | ||
1401 | SYMBOL_SET_NAMES (&psymbol, name, namelength, copy_name, objfile); | |
1402 | ||
1403 | /* Stash the partial symbol away in the cache */ | |
710e1a31 SW |
1404 | return psymbol_bcache_full (&psymbol, |
1405 | objfile->psymbol_cache, | |
1406 | added); | |
ccefe4c4 TT |
1407 | } |
1408 | ||
1409 | /* Helper function, adds partial symbol to the given partial symbol | |
1410 | list. */ | |
1411 | ||
1412 | static void | |
1413 | append_psymbol_to_list (struct psymbol_allocation_list *list, | |
1414 | const struct partial_symbol *psym, | |
1415 | struct objfile *objfile) | |
1416 | { | |
1417 | if (list->next >= list->list + list->size) | |
1418 | extend_psymbol_list (list, objfile); | |
1419 | *list->next++ = (struct partial_symbol *) psym; | |
1420 | OBJSTAT (objfile, n_psyms++); | |
1421 | } | |
1422 | ||
1423 | /* Add a symbol with a long value to a psymtab. | |
1424 | Since one arg is a struct, we pass in a ptr and deref it (sigh). | |
1425 | Return the partial symbol that has been added. */ | |
1426 | ||
1427 | /* NOTE: carlton/2003-09-11: The reason why we return the partial | |
1428 | symbol is so that callers can get access to the symbol's demangled | |
1429 | name, which they don't have any cheap way to determine otherwise. | |
1430 | (Currenly, dwarf2read.c is the only file who uses that information, | |
1431 | though it's possible that other readers might in the future.) | |
1432 | Elena wasn't thrilled about that, and I don't blame her, but we | |
1433 | couldn't come up with a better way to get that information. If | |
1434 | it's needed in other situations, we could consider breaking up | |
1435 | SYMBOL_SET_NAMES to provide access to the demangled name lookup | |
1436 | cache. */ | |
1437 | ||
1438 | const struct partial_symbol * | |
1439 | add_psymbol_to_list (char *name, int namelength, int copy_name, | |
1440 | domain_enum domain, | |
1441 | enum address_class class, | |
1442 | struct psymbol_allocation_list *list, | |
1443 | long val, /* Value as a long */ | |
1444 | CORE_ADDR coreaddr, /* Value as a CORE_ADDR */ | |
1445 | enum language language, struct objfile *objfile) | |
1446 | { | |
1447 | const struct partial_symbol *psym; | |
1448 | ||
1449 | int added; | |
1450 | ||
1451 | /* Stash the partial symbol away in the cache */ | |
1452 | psym = add_psymbol_to_bcache (name, namelength, copy_name, domain, class, | |
1453 | val, coreaddr, language, objfile, &added); | |
1454 | ||
1455 | /* Do not duplicate global partial symbols. */ | |
1456 | if (list == &objfile->global_psymbols | |
1457 | && !added) | |
1458 | return psym; | |
1459 | ||
1460 | /* Save pointer to partial symbol in psymtab, growing symtab if needed. */ | |
1461 | append_psymbol_to_list (list, psym, objfile); | |
1462 | return psym; | |
1463 | } | |
1464 | ||
1465 | /* Initialize storage for partial symbols. */ | |
1466 | ||
1467 | void | |
1468 | init_psymbol_list (struct objfile *objfile, int total_symbols) | |
1469 | { | |
1470 | /* Free any previously allocated psymbol lists. */ | |
1471 | ||
1472 | if (objfile->global_psymbols.list) | |
1473 | { | |
1474 | xfree (objfile->global_psymbols.list); | |
1475 | } | |
1476 | if (objfile->static_psymbols.list) | |
1477 | { | |
1478 | xfree (objfile->static_psymbols.list); | |
1479 | } | |
1480 | ||
1481 | /* Current best guess is that approximately a twentieth | |
1482 | of the total symbols (in a debugging file) are global or static | |
1483 | oriented symbols */ | |
1484 | ||
1485 | objfile->global_psymbols.size = total_symbols / 10; | |
1486 | objfile->static_psymbols.size = total_symbols / 10; | |
1487 | ||
1488 | if (objfile->global_psymbols.size > 0) | |
1489 | { | |
1490 | objfile->global_psymbols.next = | |
1491 | objfile->global_psymbols.list = (struct partial_symbol **) | |
1492 | xmalloc ((objfile->global_psymbols.size | |
1493 | * sizeof (struct partial_symbol *))); | |
1494 | } | |
1495 | if (objfile->static_psymbols.size > 0) | |
1496 | { | |
1497 | objfile->static_psymbols.next = | |
1498 | objfile->static_psymbols.list = (struct partial_symbol **) | |
1499 | xmalloc ((objfile->static_psymbols.size | |
1500 | * sizeof (struct partial_symbol *))); | |
1501 | } | |
1502 | } | |
1503 | ||
1504 | struct partial_symtab * | |
1505 | allocate_psymtab (const char *filename, struct objfile *objfile) | |
1506 | { | |
1507 | struct partial_symtab *psymtab; | |
1508 | ||
1509 | if (objfile->free_psymtabs) | |
1510 | { | |
1511 | psymtab = objfile->free_psymtabs; | |
1512 | objfile->free_psymtabs = psymtab->next; | |
1513 | } | |
1514 | else | |
1515 | psymtab = (struct partial_symtab *) | |
1516 | obstack_alloc (&objfile->objfile_obstack, | |
1517 | sizeof (struct partial_symtab)); | |
1518 | ||
1519 | memset (psymtab, 0, sizeof (struct partial_symtab)); | |
1520 | psymtab->filename = obsavestring (filename, strlen (filename), | |
1521 | &objfile->objfile_obstack); | |
1522 | psymtab->symtab = NULL; | |
1523 | ||
1524 | /* Prepend it to the psymtab list for the objfile it belongs to. | |
1525 | Psymtabs are searched in most recent inserted -> least recent | |
1526 | inserted order. */ | |
1527 | ||
1528 | psymtab->objfile = objfile; | |
1529 | psymtab->next = objfile->psymtabs; | |
1530 | objfile->psymtabs = psymtab; | |
ccefe4c4 TT |
1531 | |
1532 | return (psymtab); | |
1533 | } | |
1534 | ||
1535 | void | |
1536 | discard_psymtab (struct partial_symtab *pst) | |
1537 | { | |
1538 | struct partial_symtab **prev_pst; | |
1539 | ||
1540 | /* From dbxread.c: | |
1541 | Empty psymtabs happen as a result of header files which don't | |
1542 | have any symbols in them. There can be a lot of them. But this | |
1543 | check is wrong, in that a psymtab with N_SLINE entries but | |
1544 | nothing else is not empty, but we don't realize that. Fixing | |
1545 | that without slowing things down might be tricky. */ | |
1546 | ||
1547 | /* First, snip it out of the psymtab chain */ | |
1548 | ||
1549 | prev_pst = &(pst->objfile->psymtabs); | |
1550 | while ((*prev_pst) != pst) | |
1551 | prev_pst = &((*prev_pst)->next); | |
1552 | (*prev_pst) = pst->next; | |
1553 | ||
1554 | /* Next, put it on a free list for recycling */ | |
1555 | ||
1556 | pst->next = pst->objfile->free_psymtabs; | |
1557 | pst->objfile->free_psymtabs = pst; | |
1558 | } | |
1559 | ||
1560 | /* Increase the space allocated for LISTP, which is probably | |
1561 | global_psymbols or static_psymbols. This space will eventually | |
1562 | be freed in free_objfile(). */ | |
1563 | ||
1564 | void | |
1565 | extend_psymbol_list (struct psymbol_allocation_list *listp, | |
1566 | struct objfile *objfile) | |
1567 | { | |
1568 | int new_size; | |
ad3bbd48 | 1569 | |
ccefe4c4 TT |
1570 | if (listp->size == 0) |
1571 | { | |
1572 | new_size = 255; | |
1573 | listp->list = (struct partial_symbol **) | |
1574 | xmalloc (new_size * sizeof (struct partial_symbol *)); | |
1575 | } | |
1576 | else | |
1577 | { | |
1578 | new_size = listp->size * 2; | |
1579 | listp->list = (struct partial_symbol **) | |
1580 | xrealloc ((char *) listp->list, | |
1581 | new_size * sizeof (struct partial_symbol *)); | |
1582 | } | |
1583 | /* Next assumes we only went one over. Should be good if | |
1584 | program works correctly */ | |
1585 | listp->next = listp->list + listp->size; | |
1586 | listp->size = new_size; | |
1587 | } | |
1588 | ||
1589 | \f | |
1590 | ||
1591 | void | |
1592 | maintenance_print_psymbols (char *args, int from_tty) | |
1593 | { | |
1594 | char **argv; | |
1595 | struct ui_file *outfile; | |
1596 | struct cleanup *cleanups; | |
1597 | char *symname = NULL; | |
1598 | char *filename = DEV_TTY; | |
1599 | struct objfile *objfile; | |
1600 | struct partial_symtab *ps; | |
1601 | ||
1602 | dont_repeat (); | |
1603 | ||
1604 | if (args == NULL) | |
1605 | { | |
1606 | error (_("print-psymbols takes an output file name and optional symbol file name")); | |
1607 | } | |
1608 | argv = gdb_buildargv (args); | |
1609 | cleanups = make_cleanup_freeargv (argv); | |
1610 | ||
1611 | if (argv[0] != NULL) | |
1612 | { | |
1613 | filename = argv[0]; | |
1614 | /* If a second arg is supplied, it is a source file name to match on */ | |
1615 | if (argv[1] != NULL) | |
1616 | { | |
1617 | symname = argv[1]; | |
1618 | } | |
1619 | } | |
1620 | ||
1621 | filename = tilde_expand (filename); | |
1622 | make_cleanup (xfree, filename); | |
1623 | ||
1624 | outfile = gdb_fopen (filename, FOPEN_WT); | |
1625 | if (outfile == 0) | |
1626 | perror_with_name (filename); | |
1627 | make_cleanup_ui_file_delete (outfile); | |
1628 | ||
1629 | immediate_quit++; | |
1630 | ALL_PSYMTABS (objfile, ps) | |
1631 | if (symname == NULL || strcmp (symname, ps->filename) == 0) | |
1632 | dump_psymtab (objfile, ps, outfile); | |
1633 | immediate_quit--; | |
1634 | do_cleanups (cleanups); | |
1635 | } | |
1636 | ||
1637 | /* List all the partial symbol tables whose names match REGEXP (optional). */ | |
1638 | void | |
1639 | maintenance_info_psymtabs (char *regexp, int from_tty) | |
1640 | { | |
1641 | struct program_space *pspace; | |
1642 | struct objfile *objfile; | |
1643 | ||
1644 | if (regexp) | |
1645 | re_comp (regexp); | |
1646 | ||
1647 | ALL_PSPACES (pspace) | |
1648 | ALL_PSPACE_OBJFILES (pspace, objfile) | |
1649 | { | |
1650 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
1651 | struct partial_symtab *psymtab; | |
1652 | ||
1653 | /* We don't want to print anything for this objfile until we | |
1654 | actually find a symtab whose name matches. */ | |
1655 | int printed_objfile_start = 0; | |
1656 | ||
1657 | ALL_OBJFILE_PSYMTABS (objfile, psymtab) | |
1658 | { | |
1659 | QUIT; | |
1660 | ||
1661 | if (! regexp | |
1662 | || re_exec (psymtab->filename)) | |
1663 | { | |
1664 | if (! printed_objfile_start) | |
1665 | { | |
1666 | printf_filtered ("{ objfile %s ", objfile->name); | |
1667 | wrap_here (" "); | |
1668 | printf_filtered ("((struct objfile *) %s)\n", | |
1669 | host_address_to_string (objfile)); | |
1670 | printed_objfile_start = 1; | |
1671 | } | |
1672 | ||
1673 | printf_filtered (" { psymtab %s ", psymtab->filename); | |
1674 | wrap_here (" "); | |
1675 | printf_filtered ("((struct partial_symtab *) %s)\n", | |
1676 | host_address_to_string (psymtab)); | |
1677 | ||
1678 | printf_filtered (" readin %s\n", | |
1679 | psymtab->readin ? "yes" : "no"); | |
1680 | printf_filtered (" fullname %s\n", | |
1681 | psymtab->fullname ? psymtab->fullname : "(null)"); | |
1682 | printf_filtered (" text addresses "); | |
1683 | fputs_filtered (paddress (gdbarch, psymtab->textlow), | |
1684 | gdb_stdout); | |
1685 | printf_filtered (" -- "); | |
1686 | fputs_filtered (paddress (gdbarch, psymtab->texthigh), | |
1687 | gdb_stdout); | |
1688 | printf_filtered ("\n"); | |
1689 | printf_filtered (" globals "); | |
1690 | if (psymtab->n_global_syms) | |
1691 | { | |
1692 | printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", | |
1693 | host_address_to_string (psymtab->objfile->global_psymbols.list | |
1694 | + psymtab->globals_offset), | |
1695 | psymtab->n_global_syms); | |
1696 | } | |
1697 | else | |
1698 | printf_filtered ("(none)\n"); | |
1699 | printf_filtered (" statics "); | |
1700 | if (psymtab->n_static_syms) | |
1701 | { | |
1702 | printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", | |
1703 | host_address_to_string (psymtab->objfile->static_psymbols.list | |
1704 | + psymtab->statics_offset), | |
1705 | psymtab->n_static_syms); | |
1706 | } | |
1707 | else | |
1708 | printf_filtered ("(none)\n"); | |
1709 | printf_filtered (" dependencies "); | |
1710 | if (psymtab->number_of_dependencies) | |
1711 | { | |
1712 | int i; | |
1713 | ||
1714 | printf_filtered ("{\n"); | |
1715 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
1716 | { | |
1717 | struct partial_symtab *dep = psymtab->dependencies[i]; | |
1718 | ||
1719 | /* Note the string concatenation there --- no comma. */ | |
1720 | printf_filtered (" psymtab %s " | |
1721 | "((struct partial_symtab *) %s)\n", | |
1722 | dep->filename, | |
1723 | host_address_to_string (dep)); | |
1724 | } | |
1725 | printf_filtered (" }\n"); | |
1726 | } | |
1727 | else | |
1728 | printf_filtered ("(none)\n"); | |
1729 | printf_filtered (" }\n"); | |
1730 | } | |
1731 | } | |
1732 | ||
1733 | if (printed_objfile_start) | |
1734 | printf_filtered ("}\n"); | |
1735 | } | |
1736 | } | |
1737 | ||
1738 | /* Check consistency of psymtabs and symtabs. */ | |
1739 | ||
1740 | void | |
1741 | maintenance_check_symtabs (char *ignore, int from_tty) | |
1742 | { | |
1743 | struct symbol *sym; | |
1744 | struct partial_symbol **psym; | |
1745 | struct symtab *s = NULL; | |
1746 | struct partial_symtab *ps; | |
1747 | struct blockvector *bv; | |
1748 | struct objfile *objfile; | |
1749 | struct block *b; | |
1750 | int length; | |
1751 | ||
1752 | ALL_PSYMTABS (objfile, ps) | |
1753 | { | |
1754 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
ad3bbd48 | 1755 | |
ccefe4c4 TT |
1756 | s = PSYMTAB_TO_SYMTAB (ps); |
1757 | if (s == NULL) | |
1758 | continue; | |
1759 | bv = BLOCKVECTOR (s); | |
1760 | b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); | |
1761 | psym = ps->objfile->static_psymbols.list + ps->statics_offset; | |
1762 | length = ps->n_static_syms; | |
1763 | while (length--) | |
1764 | { | |
1765 | sym = lookup_block_symbol (b, SYMBOL_LINKAGE_NAME (*psym), | |
1766 | SYMBOL_DOMAIN (*psym)); | |
1767 | if (!sym) | |
1768 | { | |
1769 | printf_filtered ("Static symbol `"); | |
1770 | puts_filtered (SYMBOL_LINKAGE_NAME (*psym)); | |
1771 | printf_filtered ("' only found in "); | |
1772 | puts_filtered (ps->filename); | |
1773 | printf_filtered (" psymtab\n"); | |
1774 | } | |
1775 | psym++; | |
1776 | } | |
1777 | b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
1778 | psym = ps->objfile->global_psymbols.list + ps->globals_offset; | |
1779 | length = ps->n_global_syms; | |
1780 | while (length--) | |
1781 | { | |
1782 | sym = lookup_block_symbol (b, SYMBOL_LINKAGE_NAME (*psym), | |
1783 | SYMBOL_DOMAIN (*psym)); | |
1784 | if (!sym) | |
1785 | { | |
1786 | printf_filtered ("Global symbol `"); | |
1787 | puts_filtered (SYMBOL_LINKAGE_NAME (*psym)); | |
1788 | printf_filtered ("' only found in "); | |
1789 | puts_filtered (ps->filename); | |
1790 | printf_filtered (" psymtab\n"); | |
1791 | } | |
1792 | psym++; | |
1793 | } | |
1794 | if (ps->texthigh < ps->textlow) | |
1795 | { | |
1796 | printf_filtered ("Psymtab "); | |
1797 | puts_filtered (ps->filename); | |
1798 | printf_filtered (" covers bad range "); | |
1799 | fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout); | |
1800 | printf_filtered (" - "); | |
1801 | fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout); | |
1802 | printf_filtered ("\n"); | |
1803 | continue; | |
1804 | } | |
1805 | if (ps->texthigh == 0) | |
1806 | continue; | |
1807 | if (ps->textlow < BLOCK_START (b) || ps->texthigh > BLOCK_END (b)) | |
1808 | { | |
1809 | printf_filtered ("Psymtab "); | |
1810 | puts_filtered (ps->filename); | |
1811 | printf_filtered (" covers "); | |
1812 | fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout); | |
1813 | printf_filtered (" - "); | |
1814 | fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout); | |
1815 | printf_filtered (" but symtab covers only "); | |
1816 | fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout); | |
1817 | printf_filtered (" - "); | |
1818 | fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout); | |
1819 | printf_filtered ("\n"); | |
1820 | } | |
1821 | } | |
1822 | } | |
1823 | ||
1824 | \f | |
1825 | ||
1826 | void | |
1827 | map_partial_symbol_names (void (*fun) (const char *, void *), void *data) | |
1828 | { | |
1829 | struct objfile *objfile; | |
1830 | ||
1831 | ALL_OBJFILES (objfile) | |
1832 | { | |
1833 | if (objfile->sf) | |
1834 | objfile->sf->qf->map_symbol_names (objfile, fun, data); | |
1835 | } | |
1836 | } | |
1837 | ||
1838 | void | |
1839 | map_partial_symbol_filenames (void (*fun) (const char *, const char *, | |
1840 | void *), | |
1841 | void *data) | |
1842 | { | |
1843 | struct objfile *objfile; | |
1844 | ||
1845 | ALL_OBJFILES (objfile) | |
1846 | { | |
1847 | if (objfile->sf) | |
1848 | objfile->sf->qf->map_symbol_filenames (objfile, fun, data); | |
1849 | } | |
1850 | } |