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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" | |
40658b94 | 35 | #include "dictionary.h" |
ccefe4c4 TT |
36 | |
37 | #ifndef DEV_TTY | |
38 | #define DEV_TTY "/dev/tty" | |
39 | #endif | |
40 | ||
710e1a31 SW |
41 | struct psymbol_bcache |
42 | { | |
43 | struct bcache *bcache; | |
44 | }; | |
45 | ||
ccefe4c4 TT |
46 | /* A fast way to get from a psymtab to its symtab (after the first time). */ |
47 | #define PSYMTAB_TO_SYMTAB(pst) \ | |
48 | ((pst) -> symtab != NULL ? (pst) -> symtab : psymtab_to_symtab (pst)) | |
49 | ||
40658b94 PH |
50 | static struct partial_symbol *match_partial_symbol (struct partial_symtab *, |
51 | int, | |
52 | const char *, domain_enum, | |
53 | int (*) (const char *, | |
54 | const char *), | |
55 | int (*) (const char *, | |
56 | const char *)); | |
57 | ||
58 | ||
ccefe4c4 TT |
59 | static struct partial_symbol *lookup_partial_symbol (struct partial_symtab *, |
60 | const char *, int, | |
61 | domain_enum); | |
62 | ||
63 | static char *psymtab_to_fullname (struct partial_symtab *ps); | |
64 | ||
65 | static struct partial_symbol *find_pc_sect_psymbol (struct partial_symtab *, | |
66 | CORE_ADDR, | |
67 | struct obj_section *); | |
68 | ||
69 | static struct partial_symbol *fixup_psymbol_section (struct partial_symbol | |
70 | *psym, | |
71 | struct objfile *objfile); | |
72 | ||
73 | static struct symtab *psymtab_to_symtab (struct partial_symtab *pst); | |
74 | ||
75 | /* Lookup the partial symbol table of a source file named NAME. | |
76 | *If* there is no '/' in the name, a match after a '/' | |
77 | in the psymtab filename will also work. */ | |
78 | ||
79 | static struct partial_symtab * | |
80 | lookup_partial_symtab (struct objfile *objfile, const char *name, | |
81 | const char *full_path, const char *real_path) | |
82 | { | |
83 | struct partial_symtab *pst; | |
84 | ||
85 | ALL_OBJFILE_PSYMTABS (objfile, pst) | |
86 | { | |
87 | if (FILENAME_CMP (name, pst->filename) == 0) | |
88 | { | |
89 | return (pst); | |
90 | } | |
91 | ||
92 | /* If the user gave us an absolute path, try to find the file in | |
93 | this symtab and use its absolute path. */ | |
94 | if (full_path != NULL) | |
95 | { | |
96 | psymtab_to_fullname (pst); | |
97 | if (pst->fullname != NULL | |
98 | && FILENAME_CMP (full_path, pst->fullname) == 0) | |
99 | { | |
100 | return pst; | |
101 | } | |
102 | } | |
103 | ||
104 | if (real_path != NULL) | |
105 | { | |
106 | char *rp = NULL; | |
107 | psymtab_to_fullname (pst); | |
108 | if (pst->fullname != NULL) | |
109 | { | |
110 | rp = gdb_realpath (pst->fullname); | |
111 | make_cleanup (xfree, rp); | |
112 | } | |
113 | if (rp != NULL && FILENAME_CMP (real_path, rp) == 0) | |
114 | { | |
115 | return pst; | |
116 | } | |
117 | } | |
118 | } | |
119 | ||
120 | /* Now, search for a matching tail (only if name doesn't have any dirs) */ | |
121 | ||
122 | if (lbasename (name) == name) | |
123 | ALL_OBJFILE_PSYMTABS (objfile, pst) | |
124 | { | |
125 | if (FILENAME_CMP (lbasename (pst->filename), name) == 0) | |
126 | return (pst); | |
127 | } | |
128 | ||
129 | return (NULL); | |
130 | } | |
131 | ||
132 | static int | |
133 | lookup_symtab_via_partial_symtab (struct objfile *objfile, const char *name, | |
134 | const char *full_path, const char *real_path, | |
135 | struct symtab **result) | |
136 | { | |
137 | struct partial_symtab *ps; | |
138 | ||
139 | ps = lookup_partial_symtab (objfile, name, full_path, real_path); | |
140 | if (!ps) | |
141 | return 0; | |
142 | ||
143 | if (ps->readin) | |
144 | error (_("Internal: readin %s pst for `%s' found when no symtab found."), | |
145 | ps->filename, name); | |
146 | ||
147 | *result = PSYMTAB_TO_SYMTAB (ps); | |
148 | return 1; | |
149 | } | |
150 | ||
151 | /* Find which partial symtab contains PC and SECTION starting at psymtab PST. | |
152 | We may find a different psymtab than PST. See FIND_PC_SECT_PSYMTAB. */ | |
153 | ||
154 | static struct partial_symtab * | |
155 | find_pc_sect_psymtab_closer (CORE_ADDR pc, struct obj_section *section, | |
156 | struct partial_symtab *pst, | |
157 | struct minimal_symbol *msymbol) | |
158 | { | |
159 | struct objfile *objfile = pst->objfile; | |
160 | struct partial_symtab *tpst; | |
161 | struct partial_symtab *best_pst = pst; | |
162 | CORE_ADDR best_addr = pst->textlow; | |
163 | ||
164 | /* An objfile that has its functions reordered might have | |
165 | many partial symbol tables containing the PC, but | |
166 | we want the partial symbol table that contains the | |
167 | function containing the PC. */ | |
168 | if (!(objfile->flags & OBJF_REORDERED) && | |
169 | section == 0) /* can't validate section this way */ | |
170 | return pst; | |
171 | ||
172 | if (msymbol == NULL) | |
173 | return (pst); | |
174 | ||
175 | /* The code range of partial symtabs sometimes overlap, so, in | |
176 | the loop below, we need to check all partial symtabs and | |
177 | find the one that fits better for the given PC address. We | |
178 | select the partial symtab that contains a symbol whose | |
179 | address is closest to the PC address. By closest we mean | |
180 | that find_pc_sect_symbol returns the symbol with address | |
181 | that is closest and still less than the given PC. */ | |
182 | for (tpst = pst; tpst != NULL; tpst = tpst->next) | |
183 | { | |
184 | if (pc >= tpst->textlow && pc < tpst->texthigh) | |
185 | { | |
186 | struct partial_symbol *p; | |
187 | CORE_ADDR this_addr; | |
188 | ||
189 | /* NOTE: This assumes that every psymbol has a | |
190 | corresponding msymbol, which is not necessarily | |
191 | true; the debug info might be much richer than the | |
192 | object's symbol table. */ | |
193 | p = find_pc_sect_psymbol (tpst, pc, section); | |
194 | if (p != NULL | |
195 | && SYMBOL_VALUE_ADDRESS (p) | |
196 | == SYMBOL_VALUE_ADDRESS (msymbol)) | |
197 | return tpst; | |
198 | ||
199 | /* Also accept the textlow value of a psymtab as a | |
200 | "symbol", to provide some support for partial | |
201 | symbol tables with line information but no debug | |
202 | symbols (e.g. those produced by an assembler). */ | |
203 | if (p != NULL) | |
204 | this_addr = SYMBOL_VALUE_ADDRESS (p); | |
205 | else | |
206 | this_addr = tpst->textlow; | |
207 | ||
208 | /* Check whether it is closer than our current | |
209 | BEST_ADDR. Since this symbol address is | |
210 | necessarily lower or equal to PC, the symbol closer | |
211 | to PC is the symbol which address is the highest. | |
212 | This way we return the psymtab which contains such | |
213 | best match symbol. This can help in cases where the | |
214 | symbol information/debuginfo is not complete, like | |
215 | for instance on IRIX6 with gcc, where no debug info | |
216 | is emitted for statics. (See also the nodebug.exp | |
217 | testcase.) */ | |
218 | if (this_addr > best_addr) | |
219 | { | |
220 | best_addr = this_addr; | |
221 | best_pst = tpst; | |
222 | } | |
223 | } | |
224 | } | |
225 | return best_pst; | |
226 | } | |
227 | ||
228 | /* Find which partial symtab contains PC and SECTION. Return 0 if | |
229 | none. We return the psymtab that contains a symbol whose address | |
230 | exactly matches PC, or, if we cannot find an exact match, the | |
231 | psymtab that contains a symbol whose address is closest to PC. */ | |
232 | static struct partial_symtab * | |
233 | find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc, | |
234 | struct obj_section *section, | |
235 | struct minimal_symbol *msymbol) | |
236 | { | |
237 | struct partial_symtab *pst; | |
238 | ||
239 | /* Try just the PSYMTABS_ADDRMAP mapping first as it has better granularity | |
240 | than the later used TEXTLOW/TEXTHIGH one. */ | |
241 | ||
242 | if (objfile->psymtabs_addrmap != NULL) | |
243 | { | |
244 | pst = addrmap_find (objfile->psymtabs_addrmap, pc); | |
245 | if (pst != NULL) | |
246 | { | |
247 | /* FIXME: addrmaps currently do not handle overlayed sections, | |
248 | so fall back to the non-addrmap case if we're debugging | |
249 | overlays and the addrmap returned the wrong section. */ | |
250 | if (overlay_debugging && msymbol && section) | |
251 | { | |
252 | struct partial_symbol *p; | |
ad3bbd48 | 253 | |
ccefe4c4 TT |
254 | /* NOTE: This assumes that every psymbol has a |
255 | corresponding msymbol, which is not necessarily | |
256 | true; the debug info might be much richer than the | |
257 | object's symbol table. */ | |
258 | p = find_pc_sect_psymbol (pst, pc, section); | |
259 | if (!p | |
260 | || SYMBOL_VALUE_ADDRESS (p) | |
261 | != SYMBOL_VALUE_ADDRESS (msymbol)) | |
262 | goto next; | |
263 | } | |
264 | ||
265 | /* We do not try to call FIND_PC_SECT_PSYMTAB_CLOSER as | |
266 | PSYMTABS_ADDRMAP we used has already the best 1-byte | |
267 | granularity and FIND_PC_SECT_PSYMTAB_CLOSER may mislead us into | |
268 | a worse chosen section due to the TEXTLOW/TEXTHIGH ranges | |
269 | overlap. */ | |
270 | ||
271 | return pst; | |
272 | } | |
273 | } | |
274 | ||
275 | next: | |
276 | ||
277 | /* Existing PSYMTABS_ADDRMAP mapping is present even for PARTIAL_SYMTABs | |
278 | which still have no corresponding full SYMTABs read. But it is not | |
279 | present for non-DWARF2 debug infos not supporting PSYMTABS_ADDRMAP in GDB | |
280 | so far. */ | |
281 | ||
282 | /* Check even OBJFILE with non-zero PSYMTABS_ADDRMAP as only several of | |
283 | its CUs may be missing in PSYMTABS_ADDRMAP as they may be varying | |
284 | debug info type in single OBJFILE. */ | |
285 | ||
286 | ALL_OBJFILE_PSYMTABS (objfile, pst) | |
287 | if (pc >= pst->textlow && pc < pst->texthigh) | |
288 | { | |
289 | struct partial_symtab *best_pst; | |
290 | ||
291 | best_pst = find_pc_sect_psymtab_closer (pc, section, pst, msymbol); | |
292 | if (best_pst != NULL) | |
293 | return best_pst; | |
294 | } | |
295 | ||
296 | return NULL; | |
297 | } | |
298 | ||
299 | static struct symtab * | |
300 | find_pc_sect_symtab_from_partial (struct objfile *objfile, | |
301 | struct minimal_symbol *msymbol, | |
302 | CORE_ADDR pc, struct obj_section *section, | |
303 | int warn_if_readin) | |
304 | { | |
305 | struct partial_symtab *ps = find_pc_sect_psymtab (objfile, pc, section, | |
306 | msymbol); | |
307 | if (ps) | |
308 | { | |
309 | if (warn_if_readin && ps->readin) | |
310 | /* Might want to error() here (in case symtab is corrupt and | |
311 | will cause a core dump), but maybe we can successfully | |
312 | continue, so let's not. */ | |
313 | warning (_("\ | |
314 | (Internal error: pc %s in read in psymtab, but not in symtab.)\n"), | |
315 | paddress (get_objfile_arch (ps->objfile), pc)); | |
316 | return PSYMTAB_TO_SYMTAB (ps); | |
317 | } | |
318 | return NULL; | |
319 | } | |
320 | ||
321 | /* Find which partial symbol within a psymtab matches PC and SECTION. | |
322 | Return 0 if none. */ | |
323 | ||
324 | static struct partial_symbol * | |
325 | find_pc_sect_psymbol (struct partial_symtab *psymtab, CORE_ADDR pc, | |
326 | struct obj_section *section) | |
327 | { | |
328 | struct partial_symbol *best = NULL, *p, **pp; | |
329 | CORE_ADDR best_pc; | |
330 | ||
331 | gdb_assert (psymtab != NULL); | |
332 | ||
333 | /* Cope with programs that start at address 0 */ | |
334 | best_pc = (psymtab->textlow != 0) ? psymtab->textlow - 1 : 0; | |
335 | ||
336 | /* Search the global symbols as well as the static symbols, so that | |
337 | find_pc_partial_function doesn't use a minimal symbol and thus | |
338 | cache a bad endaddr. */ | |
339 | for (pp = psymtab->objfile->global_psymbols.list + psymtab->globals_offset; | |
340 | (pp - (psymtab->objfile->global_psymbols.list + psymtab->globals_offset) | |
341 | < psymtab->n_global_syms); | |
342 | pp++) | |
343 | { | |
344 | p = *pp; | |
345 | if (SYMBOL_DOMAIN (p) == VAR_DOMAIN | |
346 | && SYMBOL_CLASS (p) == LOC_BLOCK | |
347 | && pc >= SYMBOL_VALUE_ADDRESS (p) | |
348 | && (SYMBOL_VALUE_ADDRESS (p) > best_pc | |
349 | || (psymtab->textlow == 0 | |
350 | && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0))) | |
351 | { | |
352 | if (section) /* match on a specific section */ | |
353 | { | |
354 | fixup_psymbol_section (p, psymtab->objfile); | |
355 | if (!matching_obj_sections (SYMBOL_OBJ_SECTION (p), section)) | |
356 | continue; | |
357 | } | |
358 | best_pc = SYMBOL_VALUE_ADDRESS (p); | |
359 | best = p; | |
360 | } | |
361 | } | |
362 | ||
363 | for (pp = psymtab->objfile->static_psymbols.list + psymtab->statics_offset; | |
364 | (pp - (psymtab->objfile->static_psymbols.list + psymtab->statics_offset) | |
365 | < psymtab->n_static_syms); | |
366 | pp++) | |
367 | { | |
368 | p = *pp; | |
369 | if (SYMBOL_DOMAIN (p) == VAR_DOMAIN | |
370 | && SYMBOL_CLASS (p) == LOC_BLOCK | |
371 | && pc >= SYMBOL_VALUE_ADDRESS (p) | |
372 | && (SYMBOL_VALUE_ADDRESS (p) > best_pc | |
373 | || (psymtab->textlow == 0 | |
374 | && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0))) | |
375 | { | |
376 | if (section) /* match on a specific section */ | |
377 | { | |
378 | fixup_psymbol_section (p, psymtab->objfile); | |
379 | if (!matching_obj_sections (SYMBOL_OBJ_SECTION (p), section)) | |
380 | continue; | |
381 | } | |
382 | best_pc = SYMBOL_VALUE_ADDRESS (p); | |
383 | best = p; | |
384 | } | |
385 | } | |
386 | ||
387 | return best; | |
388 | } | |
389 | ||
390 | static struct partial_symbol * | |
391 | fixup_psymbol_section (struct partial_symbol *psym, struct objfile *objfile) | |
392 | { | |
393 | CORE_ADDR addr; | |
394 | ||
395 | if (!psym) | |
396 | return NULL; | |
397 | ||
398 | if (SYMBOL_OBJ_SECTION (psym)) | |
399 | return psym; | |
400 | ||
401 | gdb_assert (objfile); | |
402 | ||
403 | switch (SYMBOL_CLASS (psym)) | |
404 | { | |
405 | case LOC_STATIC: | |
406 | case LOC_LABEL: | |
407 | case LOC_BLOCK: | |
408 | addr = SYMBOL_VALUE_ADDRESS (psym); | |
409 | break; | |
410 | default: | |
411 | /* Nothing else will be listed in the minsyms -- no use looking | |
412 | it up. */ | |
413 | return psym; | |
414 | } | |
415 | ||
416 | fixup_section (&psym->ginfo, addr, objfile); | |
417 | ||
418 | return psym; | |
419 | } | |
420 | ||
421 | static struct symtab * | |
422 | lookup_symbol_aux_psymtabs (struct objfile *objfile, | |
423 | int block_index, const char *name, | |
424 | const domain_enum domain) | |
425 | { | |
426 | struct partial_symtab *ps; | |
427 | const int psymtab_index = (block_index == GLOBAL_BLOCK ? 1 : 0); | |
428 | ||
429 | ALL_OBJFILE_PSYMTABS (objfile, ps) | |
430 | { | |
431 | if (!ps->readin && lookup_partial_symbol (ps, name, psymtab_index, domain)) | |
432 | return PSYMTAB_TO_SYMTAB (ps); | |
433 | } | |
434 | ||
435 | return NULL; | |
436 | } | |
437 | ||
40658b94 PH |
438 | /* Look in PST for a symbol in DOMAIN whose name matches NAME. Search |
439 | the global block of PST if GLOBAL, and otherwise the static block. | |
440 | MATCH is the comparison operation that returns true iff MATCH (s, | |
441 | NAME), where s is a SYMBOL_SEARCH_NAME. If ORDERED_COMPARE is | |
442 | non-null, the symbols in the block are assumed to be ordered | |
443 | according to it (allowing binary search). It must be compatible | |
444 | with MATCH. Returns the symbol, if found, and otherwise NULL. */ | |
445 | ||
446 | static struct partial_symbol * | |
447 | match_partial_symbol (struct partial_symtab *pst, int global, | |
448 | const char *name, domain_enum domain, | |
449 | int (*match) (const char *, const char *), | |
450 | int (*ordered_compare) (const char *, const char *)) | |
451 | { | |
452 | struct partial_symbol **start, **psym; | |
453 | struct partial_symbol **top, **real_top, **bottom, **center; | |
454 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
455 | int do_linear_search = 1; | |
456 | ||
457 | if (length == 0) | |
458 | return NULL; | |
459 | start = (global ? | |
460 | pst->objfile->global_psymbols.list + pst->globals_offset : | |
461 | pst->objfile->static_psymbols.list + pst->statics_offset); | |
462 | ||
463 | if (global && ordered_compare) /* Can use a binary search. */ | |
464 | { | |
465 | do_linear_search = 0; | |
466 | ||
467 | /* Binary search. This search is guaranteed to end with center | |
468 | pointing at the earliest partial symbol whose name might be | |
469 | correct. At that point *all* partial symbols with an | |
470 | appropriate name will be checked against the correct | |
471 | domain. */ | |
472 | ||
473 | bottom = start; | |
474 | top = start + length - 1; | |
475 | real_top = top; | |
476 | while (top > bottom) | |
477 | { | |
478 | center = bottom + (top - bottom) / 2; | |
479 | gdb_assert (center < top); | |
480 | if (!do_linear_search | |
481 | && (SYMBOL_LANGUAGE (*center) == language_java)) | |
482 | do_linear_search = 1; | |
483 | if (ordered_compare (SYMBOL_SEARCH_NAME (*center), name) >= 0) | |
484 | top = center; | |
485 | else | |
486 | bottom = center + 1; | |
487 | } | |
488 | gdb_assert (top == bottom); | |
489 | ||
490 | while (top <= real_top | |
491 | && match (SYMBOL_SEARCH_NAME (*top), name) == 0) | |
492 | { | |
493 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*top), | |
494 | SYMBOL_DOMAIN (*top), domain)) | |
495 | return *top; | |
496 | top++; | |
497 | } | |
498 | } | |
499 | ||
500 | /* Can't use a binary search or else we found during the binary search that | |
501 | we should also do a linear search. */ | |
502 | ||
503 | if (do_linear_search) | |
504 | { | |
505 | for (psym = start; psym < start + length; psym++) | |
506 | { | |
507 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym), | |
508 | SYMBOL_DOMAIN (*psym), domain) | |
509 | && match (SYMBOL_SEARCH_NAME (*psym), name) == 0) | |
510 | return *psym; | |
511 | } | |
512 | } | |
513 | ||
514 | return NULL; | |
515 | } | |
516 | ||
774b6a14 TT |
517 | static void |
518 | pre_expand_symtabs_matching_psymtabs (struct objfile *objfile, | |
519 | int kind, const char *name, | |
520 | domain_enum domain) | |
58b6ab13 | 521 | { |
774b6a14 | 522 | /* Nothing. */ |
58b6ab13 TT |
523 | } |
524 | ||
ccefe4c4 | 525 | /* Look, in partial_symtab PST, for symbol whose natural name is NAME. |
40658b94 | 526 | Check the global symbols if GLOBAL, the static symbols if not. */ |
ccefe4c4 | 527 | |
18430289 | 528 | static struct partial_symbol * |
ccefe4c4 TT |
529 | lookup_partial_symbol (struct partial_symtab *pst, const char *name, |
530 | int global, domain_enum domain) | |
531 | { | |
ccefe4c4 TT |
532 | struct partial_symbol **start, **psym; |
533 | struct partial_symbol **top, **real_top, **bottom, **center; | |
534 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
535 | int do_linear_search = 1; | |
536 | ||
537 | if (length == 0) | |
538 | { | |
539 | return (NULL); | |
540 | } | |
541 | start = (global ? | |
542 | pst->objfile->global_psymbols.list + pst->globals_offset : | |
543 | pst->objfile->static_psymbols.list + pst->statics_offset); | |
544 | ||
545 | if (global) /* This means we can use a binary search. */ | |
546 | { | |
547 | do_linear_search = 0; | |
548 | ||
549 | /* Binary search. This search is guaranteed to end with center | |
550 | pointing at the earliest partial symbol whose name might be | |
551 | correct. At that point *all* partial symbols with an | |
552 | appropriate name will be checked against the correct | |
553 | domain. */ | |
554 | ||
555 | bottom = start; | |
556 | top = start + length - 1; | |
557 | real_top = top; | |
558 | while (top > bottom) | |
559 | { | |
560 | center = bottom + (top - bottom) / 2; | |
561 | if (!(center < top)) | |
562 | internal_error (__FILE__, __LINE__, _("failed internal consistency check")); | |
563 | if (!do_linear_search | |
40658b94 | 564 | && SYMBOL_LANGUAGE (*center) == language_java) |
ccefe4c4 TT |
565 | { |
566 | do_linear_search = 1; | |
567 | } | |
568 | if (strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*center), name) >= 0) | |
569 | { | |
570 | top = center; | |
571 | } | |
572 | else | |
573 | { | |
574 | bottom = center + 1; | |
575 | } | |
576 | } | |
577 | if (!(top == bottom)) | |
578 | internal_error (__FILE__, __LINE__, _("failed internal consistency check")); | |
579 | ||
580 | while (top <= real_top | |
581 | && SYMBOL_MATCHES_SEARCH_NAME (*top, name)) | |
582 | { | |
583 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*top), | |
584 | SYMBOL_DOMAIN (*top), domain)) | |
585 | return (*top); | |
586 | top++; | |
587 | } | |
588 | } | |
589 | ||
590 | /* Can't use a binary search or else we found during the binary search that | |
40658b94 | 591 | we should also do a linear search. */ |
ccefe4c4 TT |
592 | |
593 | if (do_linear_search) | |
594 | { | |
595 | for (psym = start; psym < start + length; psym++) | |
596 | { | |
597 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym), | |
598 | SYMBOL_DOMAIN (*psym), domain) | |
599 | && SYMBOL_MATCHES_SEARCH_NAME (*psym, name)) | |
600 | return (*psym); | |
601 | } | |
602 | } | |
603 | ||
604 | return (NULL); | |
605 | } | |
606 | ||
607 | /* Get the symbol table that corresponds to a partial_symtab. | |
608 | This is fast after the first time you do it. In fact, there | |
609 | is an even faster macro PSYMTAB_TO_SYMTAB that does the fast | |
610 | case inline. */ | |
611 | ||
612 | static struct symtab * | |
613 | psymtab_to_symtab (struct partial_symtab *pst) | |
614 | { | |
615 | /* If it's been looked up before, return it. */ | |
616 | if (pst->symtab) | |
617 | return pst->symtab; | |
618 | ||
619 | /* If it has not yet been read in, read it. */ | |
620 | if (!pst->readin) | |
621 | { | |
622 | struct cleanup *back_to = increment_reading_symtab (); | |
ad3bbd48 | 623 | |
ccefe4c4 TT |
624 | (*pst->read_symtab) (pst); |
625 | do_cleanups (back_to); | |
626 | } | |
627 | ||
628 | return pst->symtab; | |
629 | } | |
630 | ||
631 | static void | |
632 | relocate_psymtabs (struct objfile *objfile, | |
633 | struct section_offsets *new_offsets, | |
634 | struct section_offsets *delta) | |
635 | { | |
636 | struct partial_symbol **psym; | |
637 | struct partial_symtab *p; | |
638 | ||
639 | ALL_OBJFILE_PSYMTABS (objfile, p) | |
640 | { | |
641 | p->textlow += ANOFFSET (delta, SECT_OFF_TEXT (objfile)); | |
642 | p->texthigh += ANOFFSET (delta, SECT_OFF_TEXT (objfile)); | |
643 | } | |
644 | ||
645 | for (psym = objfile->global_psymbols.list; | |
646 | psym < objfile->global_psymbols.next; | |
647 | psym++) | |
648 | { | |
649 | fixup_psymbol_section (*psym, objfile); | |
650 | if (SYMBOL_SECTION (*psym) >= 0) | |
651 | SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta, | |
652 | SYMBOL_SECTION (*psym)); | |
653 | } | |
654 | for (psym = objfile->static_psymbols.list; | |
655 | psym < objfile->static_psymbols.next; | |
656 | psym++) | |
657 | { | |
658 | fixup_psymbol_section (*psym, objfile); | |
659 | if (SYMBOL_SECTION (*psym) >= 0) | |
660 | SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta, | |
661 | SYMBOL_SECTION (*psym)); | |
662 | } | |
663 | } | |
664 | ||
665 | static struct symtab * | |
666 | find_last_source_symtab_from_partial (struct objfile *ofp) | |
667 | { | |
ccefe4c4 TT |
668 | struct partial_symtab *ps; |
669 | struct partial_symtab *cs_pst = 0; | |
670 | ||
671 | ALL_OBJFILE_PSYMTABS (ofp, ps) | |
672 | { | |
673 | const char *name = ps->filename; | |
674 | int len = strlen (name); | |
ad3bbd48 | 675 | |
ccefe4c4 TT |
676 | if (!(len > 2 && (strcmp (&name[len - 2], ".h") == 0 |
677 | || strcmp (name, "<<C++-namespaces>>") == 0))) | |
678 | cs_pst = ps; | |
679 | } | |
680 | ||
681 | if (cs_pst) | |
682 | { | |
683 | if (cs_pst->readin) | |
684 | { | |
685 | internal_error (__FILE__, __LINE__, | |
686 | _("select_source_symtab: " | |
687 | "readin pst found and no symtabs.")); | |
688 | } | |
689 | else | |
690 | return PSYMTAB_TO_SYMTAB (cs_pst); | |
691 | } | |
692 | return NULL; | |
693 | } | |
694 | ||
695 | static void | |
696 | forget_cached_source_info_partial (struct objfile *objfile) | |
697 | { | |
698 | struct partial_symtab *pst; | |
699 | ||
700 | ALL_OBJFILE_PSYMTABS (objfile, pst) | |
701 | { | |
702 | if (pst->fullname != NULL) | |
703 | { | |
704 | xfree (pst->fullname); | |
705 | pst->fullname = NULL; | |
706 | } | |
707 | } | |
708 | } | |
709 | ||
710 | static void | |
711 | print_partial_symbols (struct gdbarch *gdbarch, | |
712 | struct partial_symbol **p, int count, char *what, | |
713 | struct ui_file *outfile) | |
714 | { | |
715 | fprintf_filtered (outfile, " %s partial symbols:\n", what); | |
716 | while (count-- > 0) | |
717 | { | |
718 | fprintf_filtered (outfile, " `%s'", SYMBOL_LINKAGE_NAME (*p)); | |
719 | if (SYMBOL_DEMANGLED_NAME (*p) != NULL) | |
720 | { | |
721 | fprintf_filtered (outfile, " `%s'", SYMBOL_DEMANGLED_NAME (*p)); | |
722 | } | |
723 | fputs_filtered (", ", outfile); | |
724 | switch (SYMBOL_DOMAIN (*p)) | |
725 | { | |
726 | case UNDEF_DOMAIN: | |
727 | fputs_filtered ("undefined domain, ", outfile); | |
728 | break; | |
729 | case VAR_DOMAIN: | |
730 | /* This is the usual thing -- don't print it */ | |
731 | break; | |
732 | case STRUCT_DOMAIN: | |
733 | fputs_filtered ("struct domain, ", outfile); | |
734 | break; | |
735 | case LABEL_DOMAIN: | |
736 | fputs_filtered ("label domain, ", outfile); | |
737 | break; | |
738 | default: | |
739 | fputs_filtered ("<invalid domain>, ", outfile); | |
740 | break; | |
741 | } | |
742 | switch (SYMBOL_CLASS (*p)) | |
743 | { | |
744 | case LOC_UNDEF: | |
745 | fputs_filtered ("undefined", outfile); | |
746 | break; | |
747 | case LOC_CONST: | |
748 | fputs_filtered ("constant int", outfile); | |
749 | break; | |
750 | case LOC_STATIC: | |
751 | fputs_filtered ("static", outfile); | |
752 | break; | |
753 | case LOC_REGISTER: | |
754 | fputs_filtered ("register", outfile); | |
755 | break; | |
756 | case LOC_ARG: | |
757 | fputs_filtered ("pass by value", outfile); | |
758 | break; | |
759 | case LOC_REF_ARG: | |
760 | fputs_filtered ("pass by reference", outfile); | |
761 | break; | |
762 | case LOC_REGPARM_ADDR: | |
763 | fputs_filtered ("register address parameter", outfile); | |
764 | break; | |
765 | case LOC_LOCAL: | |
766 | fputs_filtered ("stack parameter", outfile); | |
767 | break; | |
768 | case LOC_TYPEDEF: | |
769 | fputs_filtered ("type", outfile); | |
770 | break; | |
771 | case LOC_LABEL: | |
772 | fputs_filtered ("label", outfile); | |
773 | break; | |
774 | case LOC_BLOCK: | |
775 | fputs_filtered ("function", outfile); | |
776 | break; | |
777 | case LOC_CONST_BYTES: | |
778 | fputs_filtered ("constant bytes", outfile); | |
779 | break; | |
780 | case LOC_UNRESOLVED: | |
781 | fputs_filtered ("unresolved", outfile); | |
782 | break; | |
783 | case LOC_OPTIMIZED_OUT: | |
784 | fputs_filtered ("optimized out", outfile); | |
785 | break; | |
786 | case LOC_COMPUTED: | |
787 | fputs_filtered ("computed at runtime", outfile); | |
788 | break; | |
789 | default: | |
790 | fputs_filtered ("<invalid location>", outfile); | |
791 | break; | |
792 | } | |
793 | fputs_filtered (", ", outfile); | |
794 | fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (*p)), outfile); | |
795 | fprintf_filtered (outfile, "\n"); | |
796 | p++; | |
797 | } | |
798 | } | |
799 | ||
800 | static void | |
801 | dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab, | |
802 | struct ui_file *outfile) | |
803 | { | |
804 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
805 | int i; | |
806 | ||
807 | fprintf_filtered (outfile, "\nPartial symtab for source file %s ", | |
808 | psymtab->filename); | |
809 | fprintf_filtered (outfile, "(object "); | |
810 | gdb_print_host_address (psymtab, outfile); | |
811 | fprintf_filtered (outfile, ")\n\n"); | |
812 | fprintf_unfiltered (outfile, " Read from object file %s (", | |
813 | objfile->name); | |
814 | gdb_print_host_address (objfile, outfile); | |
815 | fprintf_unfiltered (outfile, ")\n"); | |
816 | ||
817 | if (psymtab->readin) | |
818 | { | |
819 | fprintf_filtered (outfile, | |
820 | " Full symtab was read (at "); | |
821 | gdb_print_host_address (psymtab->symtab, outfile); | |
822 | fprintf_filtered (outfile, " by function at "); | |
823 | gdb_print_host_address (psymtab->read_symtab, outfile); | |
824 | fprintf_filtered (outfile, ")\n"); | |
825 | } | |
826 | ||
827 | fprintf_filtered (outfile, " Relocate symbols by "); | |
828 | for (i = 0; i < psymtab->objfile->num_sections; ++i) | |
829 | { | |
830 | if (i != 0) | |
831 | fprintf_filtered (outfile, ", "); | |
832 | wrap_here (" "); | |
833 | fputs_filtered (paddress (gdbarch, | |
834 | ANOFFSET (psymtab->section_offsets, i)), | |
835 | outfile); | |
836 | } | |
837 | fprintf_filtered (outfile, "\n"); | |
838 | ||
839 | fprintf_filtered (outfile, " Symbols cover text addresses "); | |
840 | fputs_filtered (paddress (gdbarch, psymtab->textlow), outfile); | |
841 | fprintf_filtered (outfile, "-"); | |
842 | fputs_filtered (paddress (gdbarch, psymtab->texthigh), outfile); | |
843 | fprintf_filtered (outfile, "\n"); | |
844 | fprintf_filtered (outfile, " Depends on %d other partial symtabs.\n", | |
845 | psymtab->number_of_dependencies); | |
846 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
847 | { | |
848 | fprintf_filtered (outfile, " %d ", i); | |
849 | gdb_print_host_address (psymtab->dependencies[i], outfile); | |
850 | fprintf_filtered (outfile, " %s\n", | |
851 | psymtab->dependencies[i]->filename); | |
852 | } | |
853 | if (psymtab->n_global_syms > 0) | |
854 | { | |
855 | print_partial_symbols (gdbarch, | |
856 | objfile->global_psymbols.list | |
857 | + psymtab->globals_offset, | |
858 | psymtab->n_global_syms, "Global", outfile); | |
859 | } | |
860 | if (psymtab->n_static_syms > 0) | |
861 | { | |
862 | print_partial_symbols (gdbarch, | |
863 | objfile->static_psymbols.list | |
864 | + psymtab->statics_offset, | |
865 | psymtab->n_static_syms, "Static", outfile); | |
866 | } | |
867 | fprintf_filtered (outfile, "\n"); | |
868 | } | |
869 | ||
870 | static void | |
871 | print_psymtab_stats_for_objfile (struct objfile *objfile) | |
872 | { | |
873 | int i; | |
874 | struct partial_symtab *ps; | |
ad3bbd48 | 875 | |
ccefe4c4 TT |
876 | i = 0; |
877 | ALL_OBJFILE_PSYMTABS (objfile, ps) | |
878 | { | |
879 | if (ps->readin == 0) | |
880 | i++; | |
881 | } | |
882 | printf_filtered (_(" Number of psym tables (not yet expanded): %d\n"), i); | |
883 | } | |
884 | ||
885 | static void | |
886 | dump_psymtabs_for_objfile (struct objfile *objfile) | |
887 | { | |
888 | struct partial_symtab *psymtab; | |
889 | ||
890 | if (objfile->psymtabs) | |
891 | { | |
892 | printf_filtered ("Psymtabs:\n"); | |
893 | for (psymtab = objfile->psymtabs; | |
894 | psymtab != NULL; | |
895 | psymtab = psymtab->next) | |
896 | { | |
897 | printf_filtered ("%s at ", | |
898 | psymtab->filename); | |
899 | gdb_print_host_address (psymtab, gdb_stdout); | |
900 | printf_filtered (", "); | |
901 | if (psymtab->objfile != objfile) | |
902 | { | |
903 | printf_filtered ("NOT ON CHAIN! "); | |
904 | } | |
905 | wrap_here (" "); | |
906 | } | |
907 | printf_filtered ("\n\n"); | |
908 | } | |
909 | } | |
910 | ||
911 | /* Look through the partial symtabs for all symbols which begin | |
912 | by matching FUNC_NAME. Make sure we read that symbol table in. */ | |
913 | ||
914 | static void | |
915 | read_symtabs_for_function (struct objfile *objfile, const char *func_name) | |
916 | { | |
917 | struct partial_symtab *ps; | |
918 | ||
919 | ALL_OBJFILE_PSYMTABS (objfile, ps) | |
920 | { | |
921 | if (ps->readin) | |
922 | continue; | |
923 | ||
924 | if ((lookup_partial_symbol (ps, func_name, 1, VAR_DOMAIN) | |
925 | != NULL) | |
926 | || (lookup_partial_symbol (ps, func_name, 0, VAR_DOMAIN) | |
927 | != NULL)) | |
928 | psymtab_to_symtab (ps); | |
929 | } | |
930 | } | |
931 | ||
932 | static void | |
933 | expand_partial_symbol_tables (struct objfile *objfile) | |
934 | { | |
935 | struct partial_symtab *psymtab; | |
936 | ||
937 | for (psymtab = objfile->psymtabs; | |
938 | psymtab != NULL; | |
939 | psymtab = psymtab->next) | |
940 | { | |
941 | psymtab_to_symtab (psymtab); | |
942 | } | |
943 | } | |
944 | ||
945 | static void | |
946 | read_psymtabs_with_filename (struct objfile *objfile, const char *filename) | |
947 | { | |
948 | struct partial_symtab *p; | |
949 | ||
950 | ALL_OBJFILE_PSYMTABS (objfile, p) | |
951 | { | |
952 | if (strcmp (filename, p->filename) == 0) | |
953 | PSYMTAB_TO_SYMTAB (p); | |
954 | } | |
955 | } | |
956 | ||
957 | static void | |
958 | map_symbol_names_psymtab (struct objfile *objfile, | |
959 | void (*fun) (const char *, void *), void *data) | |
960 | { | |
961 | struct partial_symtab *ps; | |
ad3bbd48 | 962 | |
ccefe4c4 TT |
963 | ALL_OBJFILE_PSYMTABS (objfile, ps) |
964 | { | |
965 | struct partial_symbol **psym; | |
966 | ||
967 | /* If the psymtab's been read in we'll get it when we search | |
968 | through the blockvector. */ | |
969 | if (ps->readin) | |
970 | continue; | |
971 | ||
972 | for (psym = objfile->global_psymbols.list + ps->globals_offset; | |
973 | psym < (objfile->global_psymbols.list + ps->globals_offset | |
974 | + ps->n_global_syms); | |
975 | psym++) | |
976 | { | |
977 | /* If interrupted, then quit. */ | |
978 | QUIT; | |
979 | (*fun) (SYMBOL_NATURAL_NAME (*psym), data); | |
980 | } | |
981 | ||
982 | for (psym = objfile->static_psymbols.list + ps->statics_offset; | |
983 | psym < (objfile->static_psymbols.list + ps->statics_offset | |
984 | + ps->n_static_syms); | |
985 | psym++) | |
986 | { | |
987 | QUIT; | |
988 | (*fun) (SYMBOL_NATURAL_NAME (*psym), data); | |
989 | } | |
990 | } | |
991 | } | |
992 | ||
993 | static void | |
994 | map_symbol_filenames_psymtab (struct objfile *objfile, | |
995 | void (*fun) (const char *, const char *, | |
996 | void *), | |
997 | void *data) | |
998 | { | |
999 | struct partial_symtab *ps; | |
1000 | ||
1001 | ALL_OBJFILE_PSYMTABS (objfile, ps) | |
1002 | { | |
1003 | const char *fullname; | |
1004 | ||
1005 | if (ps->readin) | |
1006 | continue; | |
1007 | ||
1008 | fullname = psymtab_to_fullname (ps); | |
2837d59e | 1009 | (*fun) (ps->filename, fullname, data); |
ccefe4c4 TT |
1010 | } |
1011 | } | |
1012 | ||
1013 | int find_and_open_source (const char *filename, | |
1014 | const char *dirname, | |
1015 | char **fullname); | |
1016 | ||
1017 | /* Finds the fullname that a partial_symtab represents. | |
1018 | ||
1019 | If this functions finds the fullname, it will save it in ps->fullname | |
1020 | and it will also return the value. | |
1021 | ||
1022 | If this function fails to find the file that this partial_symtab represents, | |
1023 | NULL will be returned and ps->fullname will be set to NULL. */ | |
1024 | static char * | |
1025 | psymtab_to_fullname (struct partial_symtab *ps) | |
1026 | { | |
1027 | int r; | |
1028 | ||
1029 | if (!ps) | |
1030 | return NULL; | |
1031 | ||
1032 | /* Don't check ps->fullname here, the file could have been | |
1033 | deleted/moved/..., look for it again */ | |
1034 | r = find_and_open_source (ps->filename, ps->dirname, &ps->fullname); | |
1035 | ||
1036 | if (r >= 0) | |
1037 | { | |
1038 | close (r); | |
1039 | return ps->fullname; | |
1040 | } | |
1041 | ||
1042 | return NULL; | |
1043 | } | |
1044 | ||
dd786858 | 1045 | static const char * |
ccefe4c4 TT |
1046 | find_symbol_file_from_partial (struct objfile *objfile, const char *name) |
1047 | { | |
1048 | struct partial_symtab *pst; | |
1049 | ||
1050 | ALL_OBJFILE_PSYMTABS (objfile, pst) | |
1051 | { | |
1052 | if (lookup_partial_symbol (pst, name, 1, VAR_DOMAIN)) | |
1053 | return pst->filename; | |
1054 | } | |
1055 | return NULL; | |
1056 | } | |
1057 | ||
40658b94 PH |
1058 | /* For all symbols, s, in BLOCK that are in NAMESPACE and match NAME |
1059 | according to the function MATCH, call CALLBACK(BLOCK, s, DATA). | |
1060 | BLOCK is assumed to come from OBJFILE. Returns 1 iff CALLBACK | |
1061 | ever returns non-zero, and otherwise returns 0. */ | |
ccefe4c4 | 1062 | |
40658b94 PH |
1063 | static int |
1064 | map_block (const char *name, domain_enum namespace, struct objfile *objfile, | |
1065 | struct block *block, | |
1066 | int (*callback) (struct block *, struct symbol *, void *), | |
1067 | void *data, | |
1068 | int (*match) (const char *, const char *)) | |
ccefe4c4 | 1069 | { |
40658b94 PH |
1070 | struct dict_iterator iter; |
1071 | struct symbol *sym; | |
ccefe4c4 | 1072 | |
40658b94 PH |
1073 | for (sym = dict_iter_match_first (BLOCK_DICT (block), name, match, &iter); |
1074 | sym != NULL; sym = dict_iter_match_next (name, match, &iter)) | |
ccefe4c4 | 1075 | { |
40658b94 PH |
1076 | if (symbol_matches_domain (SYMBOL_LANGUAGE (sym), |
1077 | SYMBOL_DOMAIN (sym), namespace)) | |
1078 | { | |
1079 | if (callback (block, sym, data)) | |
1080 | return 1; | |
1081 | } | |
ccefe4c4 TT |
1082 | } |
1083 | ||
40658b94 | 1084 | return 0; |
ccefe4c4 TT |
1085 | } |
1086 | ||
40658b94 PH |
1087 | /* Psymtab version of map_matching_symbols. See its definition in |
1088 | the definition of quick_symbol_functions in symfile.h. */ | |
1089 | ||
ccefe4c4 | 1090 | static void |
40658b94 PH |
1091 | map_matching_symbols_psymtab (const char *name, domain_enum namespace, |
1092 | struct objfile *objfile, int global, | |
1093 | int (*callback) (struct block *, | |
1094 | struct symbol *, void *), | |
1095 | void *data, | |
1096 | int (*match) (const char *, const char *), | |
1097 | int (*ordered_compare) (const char *, | |
1098 | const char *)) | |
ccefe4c4 | 1099 | { |
40658b94 | 1100 | const int block_kind = global ? GLOBAL_BLOCK : STATIC_BLOCK; |
ccefe4c4 TT |
1101 | struct partial_symtab *ps; |
1102 | ||
1103 | ALL_OBJFILE_PSYMTABS (objfile, ps) | |
1104 | { | |
1105 | QUIT; | |
1106 | if (ps->readin | |
40658b94 PH |
1107 | || match_partial_symbol (ps, global, name, namespace, match, |
1108 | ordered_compare)) | |
ccefe4c4 TT |
1109 | { |
1110 | struct symtab *s = PSYMTAB_TO_SYMTAB (ps); | |
40658b94 | 1111 | struct block *block; |
ad3bbd48 | 1112 | |
ccefe4c4 TT |
1113 | if (s == NULL || !s->primary) |
1114 | continue; | |
40658b94 PH |
1115 | block = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), block_kind); |
1116 | if (map_block (name, namespace, objfile, block, | |
1117 | callback, data, match)) | |
1118 | return; | |
1119 | if (callback (block, NULL, data)) | |
1120 | return; | |
ccefe4c4 TT |
1121 | } |
1122 | } | |
40658b94 | 1123 | } |
ccefe4c4 TT |
1124 | |
1125 | static void | |
1126 | expand_symtabs_matching_via_partial (struct objfile *objfile, | |
1127 | int (*file_matcher) (const char *, void *), | |
1128 | int (*name_matcher) (const char *, void *), | |
1129 | domain_enum kind, | |
1130 | void *data) | |
1131 | { | |
1132 | struct partial_symtab *ps; | |
1133 | ||
1134 | ALL_OBJFILE_PSYMTABS (objfile, ps) | |
1135 | { | |
1136 | struct partial_symbol **psym; | |
1137 | struct partial_symbol **bound, **gbound, **sbound; | |
1138 | int keep_going = 1; | |
1139 | ||
1140 | if (ps->readin) | |
1141 | continue; | |
1142 | ||
1143 | if (! (*file_matcher) (ps->filename, data)) | |
1144 | continue; | |
1145 | ||
1146 | gbound = objfile->global_psymbols.list + ps->globals_offset + ps->n_global_syms; | |
1147 | sbound = objfile->static_psymbols.list + ps->statics_offset + ps->n_static_syms; | |
1148 | bound = gbound; | |
1149 | ||
1150 | /* Go through all of the symbols stored in a partial | |
1151 | symtab in one loop. */ | |
1152 | psym = objfile->global_psymbols.list + ps->globals_offset; | |
1153 | while (keep_going) | |
1154 | { | |
1155 | if (psym >= bound) | |
1156 | { | |
1157 | if (bound == gbound && ps->n_static_syms != 0) | |
1158 | { | |
1159 | psym = objfile->static_psymbols.list + ps->statics_offset; | |
1160 | bound = sbound; | |
1161 | } | |
1162 | else | |
1163 | keep_going = 0; | |
1164 | continue; | |
1165 | } | |
1166 | else | |
1167 | { | |
1168 | QUIT; | |
1169 | ||
1170 | if ((*name_matcher) (SYMBOL_NATURAL_NAME (*psym), data) | |
1171 | && ((kind == VARIABLES_DOMAIN | |
1172 | && SYMBOL_CLASS (*psym) != LOC_TYPEDEF | |
1173 | && SYMBOL_CLASS (*psym) != LOC_BLOCK) | |
1174 | || (kind == FUNCTIONS_DOMAIN | |
1175 | && SYMBOL_CLASS (*psym) == LOC_BLOCK) | |
1176 | || (kind == TYPES_DOMAIN | |
1177 | && SYMBOL_CLASS (*psym) == LOC_TYPEDEF))) | |
1178 | { | |
1179 | PSYMTAB_TO_SYMTAB (ps); | |
1180 | keep_going = 0; | |
1181 | } | |
1182 | } | |
1183 | psym++; | |
1184 | } | |
1185 | } | |
1186 | } | |
1187 | ||
1188 | static int | |
1189 | objfile_has_psyms (struct objfile *objfile) | |
1190 | { | |
1191 | return objfile->psymtabs != NULL; | |
1192 | } | |
1193 | ||
1194 | const struct quick_symbol_functions psym_functions = | |
1195 | { | |
1196 | objfile_has_psyms, | |
1197 | find_last_source_symtab_from_partial, | |
1198 | forget_cached_source_info_partial, | |
1199 | lookup_symtab_via_partial_symtab, | |
1200 | lookup_symbol_aux_psymtabs, | |
774b6a14 | 1201 | pre_expand_symtabs_matching_psymtabs, |
ccefe4c4 TT |
1202 | print_psymtab_stats_for_objfile, |
1203 | dump_psymtabs_for_objfile, | |
1204 | relocate_psymtabs, | |
1205 | read_symtabs_for_function, | |
1206 | expand_partial_symbol_tables, | |
1207 | read_psymtabs_with_filename, | |
1208 | find_symbol_file_from_partial, | |
40658b94 | 1209 | map_matching_symbols_psymtab, |
ccefe4c4 TT |
1210 | expand_symtabs_matching_via_partial, |
1211 | find_pc_sect_symtab_from_partial, | |
1212 | map_symbol_names_psymtab, | |
1213 | map_symbol_filenames_psymtab | |
1214 | }; | |
1215 | ||
1216 | \f | |
1217 | ||
1218 | /* This compares two partial symbols by names, using strcmp_iw_ordered | |
1219 | for the comparison. */ | |
1220 | ||
1221 | static int | |
1222 | compare_psymbols (const void *s1p, const void *s2p) | |
1223 | { | |
1224 | struct partial_symbol *const *s1 = s1p; | |
1225 | struct partial_symbol *const *s2 = s2p; | |
1226 | ||
1227 | return strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*s1), | |
1228 | SYMBOL_SEARCH_NAME (*s2)); | |
1229 | } | |
1230 | ||
1231 | void | |
1232 | sort_pst_symbols (struct partial_symtab *pst) | |
1233 | { | |
1234 | /* Sort the global list; don't sort the static list */ | |
1235 | ||
1236 | qsort (pst->objfile->global_psymbols.list + pst->globals_offset, | |
1237 | pst->n_global_syms, sizeof (struct partial_symbol *), | |
1238 | compare_psymbols); | |
1239 | } | |
1240 | ||
1241 | /* Allocate and partially fill a partial symtab. It will be | |
1242 | completely filled at the end of the symbol list. | |
1243 | ||
1244 | FILENAME is the name of the symbol-file we are reading from. */ | |
1245 | ||
1246 | struct partial_symtab * | |
1247 | start_psymtab_common (struct objfile *objfile, | |
1248 | struct section_offsets *section_offsets, | |
1249 | const char *filename, | |
1250 | CORE_ADDR textlow, struct partial_symbol **global_syms, | |
1251 | struct partial_symbol **static_syms) | |
1252 | { | |
1253 | struct partial_symtab *psymtab; | |
1254 | ||
1255 | psymtab = allocate_psymtab (filename, objfile); | |
1256 | psymtab->section_offsets = section_offsets; | |
1257 | psymtab->textlow = textlow; | |
1258 | psymtab->texthigh = psymtab->textlow; /* default */ | |
1259 | psymtab->globals_offset = global_syms - objfile->global_psymbols.list; | |
1260 | psymtab->statics_offset = static_syms - objfile->static_psymbols.list; | |
1261 | return (psymtab); | |
1262 | } | |
1263 | ||
cbd70537 SW |
1264 | /* Calculate a hash code for the given partial symbol. The hash is |
1265 | calculated using the symbol's value, language, domain, class | |
1266 | and name. These are the values which are set by | |
1267 | add_psymbol_to_bcache. */ | |
1268 | ||
710e1a31 | 1269 | static unsigned long |
cbd70537 SW |
1270 | psymbol_hash (const void *addr, int length) |
1271 | { | |
1272 | unsigned long h = 0; | |
1273 | struct partial_symbol *psymbol = (struct partial_symbol *) addr; | |
1274 | unsigned int lang = psymbol->ginfo.language; | |
1275 | unsigned int domain = PSYMBOL_DOMAIN (psymbol); | |
1276 | unsigned int class = PSYMBOL_CLASS (psymbol); | |
1277 | ||
1278 | h = hash_continue (&psymbol->ginfo.value, sizeof (psymbol->ginfo.value), h); | |
1279 | h = hash_continue (&lang, sizeof (unsigned int), h); | |
1280 | h = hash_continue (&domain, sizeof (unsigned int), h); | |
1281 | h = hash_continue (&class, sizeof (unsigned int), h); | |
1282 | h = hash_continue (psymbol->ginfo.name, strlen (psymbol->ginfo.name), h); | |
1283 | ||
1284 | return h; | |
1285 | } | |
1286 | ||
1287 | /* Returns true if the symbol at addr1 equals the symbol at addr2. | |
1288 | For the comparison this function uses a symbols value, | |
1289 | language, domain, class and name. */ | |
1290 | ||
710e1a31 | 1291 | static int |
cbd70537 SW |
1292 | psymbol_compare (const void *addr1, const void *addr2, int length) |
1293 | { | |
1294 | struct partial_symbol *sym1 = (struct partial_symbol *) addr1; | |
1295 | struct partial_symbol *sym2 = (struct partial_symbol *) addr2; | |
1296 | ||
1297 | return (memcmp (&sym1->ginfo.value, &sym1->ginfo.value, | |
1298 | sizeof (sym1->ginfo.value)) == 0 | |
1299 | && sym1->ginfo.language == sym2->ginfo.language | |
1300 | && PSYMBOL_DOMAIN (sym1) == PSYMBOL_DOMAIN (sym2) | |
1301 | && PSYMBOL_CLASS (sym1) == PSYMBOL_CLASS (sym2) | |
1302 | && sym1->ginfo.name == sym2->ginfo.name); | |
1303 | } | |
1304 | ||
710e1a31 SW |
1305 | /* Initialize a partial symbol bcache. */ |
1306 | ||
1307 | struct psymbol_bcache * | |
1308 | psymbol_bcache_init (void) | |
1309 | { | |
1310 | struct psymbol_bcache *bcache = XCALLOC (1, struct psymbol_bcache); | |
1311 | bcache->bcache = bcache_xmalloc (psymbol_hash, psymbol_compare); | |
1312 | return bcache; | |
1313 | } | |
1314 | ||
1315 | /* Free a partial symbol bcache. */ | |
1316 | void | |
1317 | psymbol_bcache_free (struct psymbol_bcache *bcache) | |
1318 | { | |
1319 | if (bcache == NULL) | |
1320 | return; | |
1321 | ||
1322 | bcache_xfree (bcache->bcache); | |
1323 | xfree (bcache); | |
1324 | } | |
1325 | ||
1326 | /* Return the internal bcache of the psymbol_bcache BCACHE*/ | |
1327 | ||
1328 | struct bcache * | |
1329 | psymbol_bcache_get_bcache (struct psymbol_bcache *bcache) | |
1330 | { | |
1331 | return bcache->bcache; | |
1332 | } | |
1333 | ||
1334 | /* Find a copy of the SYM in BCACHE. If BCACHE has never seen this | |
1335 | symbol before, add a copy to BCACHE. In either case, return a pointer | |
1336 | to BCACHE's copy of the symbol. If optional ADDED is not NULL, return | |
1337 | 1 in case of new entry or 0 if returning an old entry. */ | |
1338 | ||
1339 | static const struct partial_symbol * | |
1340 | psymbol_bcache_full (struct partial_symbol *sym, | |
1341 | struct psymbol_bcache *bcache, | |
1342 | int *added) | |
1343 | { | |
1344 | return bcache_full (sym, | |
1345 | sizeof (struct partial_symbol), | |
1346 | bcache->bcache, | |
1347 | added); | |
1348 | } | |
1349 | ||
ccefe4c4 TT |
1350 | /* Helper function, initialises partial symbol structure and stashes |
1351 | it into objfile's bcache. Note that our caching mechanism will | |
1352 | use all fields of struct partial_symbol to determine hash value of the | |
1353 | structure. In other words, having two symbols with the same name but | |
1354 | different domain (or address) is possible and correct. */ | |
1355 | ||
1356 | static const struct partial_symbol * | |
72b9f47f | 1357 | add_psymbol_to_bcache (const char *name, int namelength, int copy_name, |
ccefe4c4 TT |
1358 | domain_enum domain, |
1359 | enum address_class class, | |
1360 | long val, /* Value as a long */ | |
1361 | CORE_ADDR coreaddr, /* Value as a CORE_ADDR */ | |
1362 | enum language language, struct objfile *objfile, | |
1363 | int *added) | |
1364 | { | |
cbd70537 SW |
1365 | struct partial_symbol psymbol; |
1366 | ||
fc956729 SW |
1367 | /* We must ensure that the entire 'value' field has been zeroed |
1368 | before assigning to it, because an assignment may not write the | |
1369 | entire field. */ | |
1370 | memset (&psymbol.ginfo.value, 0, sizeof (psymbol.ginfo.value)); | |
1371 | ||
ccefe4c4 TT |
1372 | /* val and coreaddr are mutually exclusive, one of them *will* be zero */ |
1373 | if (val != 0) | |
1374 | { | |
1375 | SYMBOL_VALUE (&psymbol) = val; | |
1376 | } | |
1377 | else | |
1378 | { | |
1379 | SYMBOL_VALUE_ADDRESS (&psymbol) = coreaddr; | |
1380 | } | |
1381 | SYMBOL_SECTION (&psymbol) = 0; | |
fc956729 | 1382 | SYMBOL_OBJ_SECTION (&psymbol) = NULL; |
33e5013e | 1383 | SYMBOL_SET_LANGUAGE (&psymbol, language); |
ccefe4c4 TT |
1384 | PSYMBOL_DOMAIN (&psymbol) = domain; |
1385 | PSYMBOL_CLASS (&psymbol) = class; | |
1386 | ||
1387 | SYMBOL_SET_NAMES (&psymbol, name, namelength, copy_name, objfile); | |
1388 | ||
1389 | /* Stash the partial symbol away in the cache */ | |
710e1a31 SW |
1390 | return psymbol_bcache_full (&psymbol, |
1391 | objfile->psymbol_cache, | |
1392 | added); | |
ccefe4c4 TT |
1393 | } |
1394 | ||
923c6a3d TT |
1395 | /* Increase the space allocated for LISTP, which is probably |
1396 | global_psymbols or static_psymbols. This space will eventually | |
1397 | be freed in free_objfile(). */ | |
1398 | ||
1399 | static void | |
1400 | extend_psymbol_list (struct psymbol_allocation_list *listp, | |
1401 | struct objfile *objfile) | |
1402 | { | |
1403 | int new_size; | |
1404 | ||
1405 | if (listp->size == 0) | |
1406 | { | |
1407 | new_size = 255; | |
1408 | listp->list = (struct partial_symbol **) | |
1409 | xmalloc (new_size * sizeof (struct partial_symbol *)); | |
1410 | } | |
1411 | else | |
1412 | { | |
1413 | new_size = listp->size * 2; | |
1414 | listp->list = (struct partial_symbol **) | |
1415 | xrealloc ((char *) listp->list, | |
1416 | new_size * sizeof (struct partial_symbol *)); | |
1417 | } | |
1418 | /* Next assumes we only went one over. Should be good if | |
1419 | program works correctly */ | |
1420 | listp->next = listp->list + listp->size; | |
1421 | listp->size = new_size; | |
1422 | } | |
1423 | ||
ccefe4c4 TT |
1424 | /* Helper function, adds partial symbol to the given partial symbol |
1425 | list. */ | |
1426 | ||
1427 | static void | |
1428 | append_psymbol_to_list (struct psymbol_allocation_list *list, | |
1429 | const struct partial_symbol *psym, | |
1430 | struct objfile *objfile) | |
1431 | { | |
1432 | if (list->next >= list->list + list->size) | |
1433 | extend_psymbol_list (list, objfile); | |
1434 | *list->next++ = (struct partial_symbol *) psym; | |
1435 | OBJSTAT (objfile, n_psyms++); | |
1436 | } | |
1437 | ||
1438 | /* Add a symbol with a long value to a psymtab. | |
1439 | Since one arg is a struct, we pass in a ptr and deref it (sigh). | |
1440 | Return the partial symbol that has been added. */ | |
1441 | ||
1442 | /* NOTE: carlton/2003-09-11: The reason why we return the partial | |
1443 | symbol is so that callers can get access to the symbol's demangled | |
1444 | name, which they don't have any cheap way to determine otherwise. | |
1445 | (Currenly, dwarf2read.c is the only file who uses that information, | |
1446 | though it's possible that other readers might in the future.) | |
1447 | Elena wasn't thrilled about that, and I don't blame her, but we | |
1448 | couldn't come up with a better way to get that information. If | |
1449 | it's needed in other situations, we could consider breaking up | |
1450 | SYMBOL_SET_NAMES to provide access to the demangled name lookup | |
1451 | cache. */ | |
1452 | ||
1453 | const struct partial_symbol * | |
72b9f47f | 1454 | add_psymbol_to_list (const char *name, int namelength, int copy_name, |
ccefe4c4 TT |
1455 | domain_enum domain, |
1456 | enum address_class class, | |
1457 | struct psymbol_allocation_list *list, | |
1458 | long val, /* Value as a long */ | |
1459 | CORE_ADDR coreaddr, /* Value as a CORE_ADDR */ | |
1460 | enum language language, struct objfile *objfile) | |
1461 | { | |
1462 | const struct partial_symbol *psym; | |
1463 | ||
1464 | int added; | |
1465 | ||
1466 | /* Stash the partial symbol away in the cache */ | |
1467 | psym = add_psymbol_to_bcache (name, namelength, copy_name, domain, class, | |
1468 | val, coreaddr, language, objfile, &added); | |
1469 | ||
1470 | /* Do not duplicate global partial symbols. */ | |
1471 | if (list == &objfile->global_psymbols | |
1472 | && !added) | |
1473 | return psym; | |
1474 | ||
1475 | /* Save pointer to partial symbol in psymtab, growing symtab if needed. */ | |
1476 | append_psymbol_to_list (list, psym, objfile); | |
1477 | return psym; | |
1478 | } | |
1479 | ||
1480 | /* Initialize storage for partial symbols. */ | |
1481 | ||
1482 | void | |
1483 | init_psymbol_list (struct objfile *objfile, int total_symbols) | |
1484 | { | |
1485 | /* Free any previously allocated psymbol lists. */ | |
1486 | ||
1487 | if (objfile->global_psymbols.list) | |
1488 | { | |
1489 | xfree (objfile->global_psymbols.list); | |
1490 | } | |
1491 | if (objfile->static_psymbols.list) | |
1492 | { | |
1493 | xfree (objfile->static_psymbols.list); | |
1494 | } | |
1495 | ||
1496 | /* Current best guess is that approximately a twentieth | |
1497 | of the total symbols (in a debugging file) are global or static | |
1498 | oriented symbols */ | |
1499 | ||
1500 | objfile->global_psymbols.size = total_symbols / 10; | |
1501 | objfile->static_psymbols.size = total_symbols / 10; | |
1502 | ||
1503 | if (objfile->global_psymbols.size > 0) | |
1504 | { | |
1505 | objfile->global_psymbols.next = | |
1506 | objfile->global_psymbols.list = (struct partial_symbol **) | |
1507 | xmalloc ((objfile->global_psymbols.size | |
1508 | * sizeof (struct partial_symbol *))); | |
1509 | } | |
1510 | if (objfile->static_psymbols.size > 0) | |
1511 | { | |
1512 | objfile->static_psymbols.next = | |
1513 | objfile->static_psymbols.list = (struct partial_symbol **) | |
1514 | xmalloc ((objfile->static_psymbols.size | |
1515 | * sizeof (struct partial_symbol *))); | |
1516 | } | |
1517 | } | |
1518 | ||
1519 | struct partial_symtab * | |
1520 | allocate_psymtab (const char *filename, struct objfile *objfile) | |
1521 | { | |
1522 | struct partial_symtab *psymtab; | |
1523 | ||
1524 | if (objfile->free_psymtabs) | |
1525 | { | |
1526 | psymtab = objfile->free_psymtabs; | |
1527 | objfile->free_psymtabs = psymtab->next; | |
1528 | } | |
1529 | else | |
1530 | psymtab = (struct partial_symtab *) | |
1531 | obstack_alloc (&objfile->objfile_obstack, | |
1532 | sizeof (struct partial_symtab)); | |
1533 | ||
1534 | memset (psymtab, 0, sizeof (struct partial_symtab)); | |
1535 | psymtab->filename = obsavestring (filename, strlen (filename), | |
1536 | &objfile->objfile_obstack); | |
1537 | psymtab->symtab = NULL; | |
1538 | ||
1539 | /* Prepend it to the psymtab list for the objfile it belongs to. | |
1540 | Psymtabs are searched in most recent inserted -> least recent | |
1541 | inserted order. */ | |
1542 | ||
1543 | psymtab->objfile = objfile; | |
1544 | psymtab->next = objfile->psymtabs; | |
1545 | objfile->psymtabs = psymtab; | |
ccefe4c4 TT |
1546 | |
1547 | return (psymtab); | |
1548 | } | |
1549 | ||
1550 | void | |
1551 | discard_psymtab (struct partial_symtab *pst) | |
1552 | { | |
1553 | struct partial_symtab **prev_pst; | |
1554 | ||
1555 | /* From dbxread.c: | |
1556 | Empty psymtabs happen as a result of header files which don't | |
1557 | have any symbols in them. There can be a lot of them. But this | |
1558 | check is wrong, in that a psymtab with N_SLINE entries but | |
1559 | nothing else is not empty, but we don't realize that. Fixing | |
1560 | that without slowing things down might be tricky. */ | |
1561 | ||
1562 | /* First, snip it out of the psymtab chain */ | |
1563 | ||
1564 | prev_pst = &(pst->objfile->psymtabs); | |
1565 | while ((*prev_pst) != pst) | |
1566 | prev_pst = &((*prev_pst)->next); | |
1567 | (*prev_pst) = pst->next; | |
1568 | ||
1569 | /* Next, put it on a free list for recycling */ | |
1570 | ||
1571 | pst->next = pst->objfile->free_psymtabs; | |
1572 | pst->objfile->free_psymtabs = pst; | |
1573 | } | |
1574 | ||
ccefe4c4 TT |
1575 | \f |
1576 | ||
1577 | void | |
1578 | maintenance_print_psymbols (char *args, int from_tty) | |
1579 | { | |
1580 | char **argv; | |
1581 | struct ui_file *outfile; | |
1582 | struct cleanup *cleanups; | |
1583 | char *symname = NULL; | |
1584 | char *filename = DEV_TTY; | |
1585 | struct objfile *objfile; | |
1586 | struct partial_symtab *ps; | |
1587 | ||
1588 | dont_repeat (); | |
1589 | ||
1590 | if (args == NULL) | |
1591 | { | |
1592 | error (_("print-psymbols takes an output file name and optional symbol file name")); | |
1593 | } | |
1594 | argv = gdb_buildargv (args); | |
1595 | cleanups = make_cleanup_freeargv (argv); | |
1596 | ||
1597 | if (argv[0] != NULL) | |
1598 | { | |
1599 | filename = argv[0]; | |
1600 | /* If a second arg is supplied, it is a source file name to match on */ | |
1601 | if (argv[1] != NULL) | |
1602 | { | |
1603 | symname = argv[1]; | |
1604 | } | |
1605 | } | |
1606 | ||
1607 | filename = tilde_expand (filename); | |
1608 | make_cleanup (xfree, filename); | |
1609 | ||
1610 | outfile = gdb_fopen (filename, FOPEN_WT); | |
1611 | if (outfile == 0) | |
1612 | perror_with_name (filename); | |
1613 | make_cleanup_ui_file_delete (outfile); | |
1614 | ||
1615 | immediate_quit++; | |
1616 | ALL_PSYMTABS (objfile, ps) | |
1617 | if (symname == NULL || strcmp (symname, ps->filename) == 0) | |
1618 | dump_psymtab (objfile, ps, outfile); | |
1619 | immediate_quit--; | |
1620 | do_cleanups (cleanups); | |
1621 | } | |
1622 | ||
1623 | /* List all the partial symbol tables whose names match REGEXP (optional). */ | |
1624 | void | |
1625 | maintenance_info_psymtabs (char *regexp, int from_tty) | |
1626 | { | |
1627 | struct program_space *pspace; | |
1628 | struct objfile *objfile; | |
1629 | ||
1630 | if (regexp) | |
1631 | re_comp (regexp); | |
1632 | ||
1633 | ALL_PSPACES (pspace) | |
1634 | ALL_PSPACE_OBJFILES (pspace, objfile) | |
1635 | { | |
1636 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
1637 | struct partial_symtab *psymtab; | |
1638 | ||
1639 | /* We don't want to print anything for this objfile until we | |
1640 | actually find a symtab whose name matches. */ | |
1641 | int printed_objfile_start = 0; | |
1642 | ||
1643 | ALL_OBJFILE_PSYMTABS (objfile, psymtab) | |
1644 | { | |
1645 | QUIT; | |
1646 | ||
1647 | if (! regexp | |
1648 | || re_exec (psymtab->filename)) | |
1649 | { | |
1650 | if (! printed_objfile_start) | |
1651 | { | |
1652 | printf_filtered ("{ objfile %s ", objfile->name); | |
1653 | wrap_here (" "); | |
1654 | printf_filtered ("((struct objfile *) %s)\n", | |
1655 | host_address_to_string (objfile)); | |
1656 | printed_objfile_start = 1; | |
1657 | } | |
1658 | ||
1659 | printf_filtered (" { psymtab %s ", psymtab->filename); | |
1660 | wrap_here (" "); | |
1661 | printf_filtered ("((struct partial_symtab *) %s)\n", | |
1662 | host_address_to_string (psymtab)); | |
1663 | ||
1664 | printf_filtered (" readin %s\n", | |
1665 | psymtab->readin ? "yes" : "no"); | |
1666 | printf_filtered (" fullname %s\n", | |
1667 | psymtab->fullname ? psymtab->fullname : "(null)"); | |
1668 | printf_filtered (" text addresses "); | |
1669 | fputs_filtered (paddress (gdbarch, psymtab->textlow), | |
1670 | gdb_stdout); | |
1671 | printf_filtered (" -- "); | |
1672 | fputs_filtered (paddress (gdbarch, psymtab->texthigh), | |
1673 | gdb_stdout); | |
1674 | printf_filtered ("\n"); | |
1675 | printf_filtered (" globals "); | |
1676 | if (psymtab->n_global_syms) | |
1677 | { | |
1678 | printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", | |
1679 | host_address_to_string (psymtab->objfile->global_psymbols.list | |
1680 | + psymtab->globals_offset), | |
1681 | psymtab->n_global_syms); | |
1682 | } | |
1683 | else | |
1684 | printf_filtered ("(none)\n"); | |
1685 | printf_filtered (" statics "); | |
1686 | if (psymtab->n_static_syms) | |
1687 | { | |
1688 | printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", | |
1689 | host_address_to_string (psymtab->objfile->static_psymbols.list | |
1690 | + psymtab->statics_offset), | |
1691 | psymtab->n_static_syms); | |
1692 | } | |
1693 | else | |
1694 | printf_filtered ("(none)\n"); | |
1695 | printf_filtered (" dependencies "); | |
1696 | if (psymtab->number_of_dependencies) | |
1697 | { | |
1698 | int i; | |
1699 | ||
1700 | printf_filtered ("{\n"); | |
1701 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
1702 | { | |
1703 | struct partial_symtab *dep = psymtab->dependencies[i]; | |
1704 | ||
1705 | /* Note the string concatenation there --- no comma. */ | |
1706 | printf_filtered (" psymtab %s " | |
1707 | "((struct partial_symtab *) %s)\n", | |
1708 | dep->filename, | |
1709 | host_address_to_string (dep)); | |
1710 | } | |
1711 | printf_filtered (" }\n"); | |
1712 | } | |
1713 | else | |
1714 | printf_filtered ("(none)\n"); | |
1715 | printf_filtered (" }\n"); | |
1716 | } | |
1717 | } | |
1718 | ||
1719 | if (printed_objfile_start) | |
1720 | printf_filtered ("}\n"); | |
1721 | } | |
1722 | } | |
1723 | ||
1724 | /* Check consistency of psymtabs and symtabs. */ | |
1725 | ||
1726 | void | |
1727 | maintenance_check_symtabs (char *ignore, int from_tty) | |
1728 | { | |
1729 | struct symbol *sym; | |
1730 | struct partial_symbol **psym; | |
1731 | struct symtab *s = NULL; | |
1732 | struct partial_symtab *ps; | |
1733 | struct blockvector *bv; | |
1734 | struct objfile *objfile; | |
1735 | struct block *b; | |
1736 | int length; | |
1737 | ||
1738 | ALL_PSYMTABS (objfile, ps) | |
1739 | { | |
1740 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
ad3bbd48 | 1741 | |
ccefe4c4 TT |
1742 | s = PSYMTAB_TO_SYMTAB (ps); |
1743 | if (s == NULL) | |
1744 | continue; | |
1745 | bv = BLOCKVECTOR (s); | |
1746 | b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); | |
1747 | psym = ps->objfile->static_psymbols.list + ps->statics_offset; | |
1748 | length = ps->n_static_syms; | |
1749 | while (length--) | |
1750 | { | |
1751 | sym = lookup_block_symbol (b, SYMBOL_LINKAGE_NAME (*psym), | |
1752 | SYMBOL_DOMAIN (*psym)); | |
1753 | if (!sym) | |
1754 | { | |
1755 | printf_filtered ("Static symbol `"); | |
1756 | puts_filtered (SYMBOL_LINKAGE_NAME (*psym)); | |
1757 | printf_filtered ("' only found in "); | |
1758 | puts_filtered (ps->filename); | |
1759 | printf_filtered (" psymtab\n"); | |
1760 | } | |
1761 | psym++; | |
1762 | } | |
1763 | b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
1764 | psym = ps->objfile->global_psymbols.list + ps->globals_offset; | |
1765 | length = ps->n_global_syms; | |
1766 | while (length--) | |
1767 | { | |
1768 | sym = lookup_block_symbol (b, SYMBOL_LINKAGE_NAME (*psym), | |
1769 | SYMBOL_DOMAIN (*psym)); | |
1770 | if (!sym) | |
1771 | { | |
1772 | printf_filtered ("Global symbol `"); | |
1773 | puts_filtered (SYMBOL_LINKAGE_NAME (*psym)); | |
1774 | printf_filtered ("' only found in "); | |
1775 | puts_filtered (ps->filename); | |
1776 | printf_filtered (" psymtab\n"); | |
1777 | } | |
1778 | psym++; | |
1779 | } | |
1780 | if (ps->texthigh < ps->textlow) | |
1781 | { | |
1782 | printf_filtered ("Psymtab "); | |
1783 | puts_filtered (ps->filename); | |
1784 | printf_filtered (" covers bad range "); | |
1785 | fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout); | |
1786 | printf_filtered (" - "); | |
1787 | fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout); | |
1788 | printf_filtered ("\n"); | |
1789 | continue; | |
1790 | } | |
1791 | if (ps->texthigh == 0) | |
1792 | continue; | |
1793 | if (ps->textlow < BLOCK_START (b) || ps->texthigh > BLOCK_END (b)) | |
1794 | { | |
1795 | printf_filtered ("Psymtab "); | |
1796 | puts_filtered (ps->filename); | |
1797 | printf_filtered (" covers "); | |
1798 | fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout); | |
1799 | printf_filtered (" - "); | |
1800 | fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout); | |
1801 | printf_filtered (" but symtab covers only "); | |
1802 | fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout); | |
1803 | printf_filtered (" - "); | |
1804 | fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout); | |
1805 | printf_filtered ("\n"); | |
1806 | } | |
1807 | } | |
1808 | } | |
1809 | ||
1810 | \f | |
1811 | ||
1812 | void | |
1813 | map_partial_symbol_names (void (*fun) (const char *, void *), void *data) | |
1814 | { | |
1815 | struct objfile *objfile; | |
1816 | ||
1817 | ALL_OBJFILES (objfile) | |
1818 | { | |
1819 | if (objfile->sf) | |
1820 | objfile->sf->qf->map_symbol_names (objfile, fun, data); | |
1821 | } | |
1822 | } | |
1823 | ||
1824 | void | |
1825 | map_partial_symbol_filenames (void (*fun) (const char *, const char *, | |
1826 | void *), | |
1827 | void *data) | |
1828 | { | |
1829 | struct objfile *objfile; | |
1830 | ||
1831 | ALL_OBJFILES (objfile) | |
1832 | { | |
1833 | if (objfile->sf) | |
1834 | objfile->sf->qf->map_symbol_filenames (objfile, fun, data); | |
1835 | } | |
1836 | } |