Commit | Line | Data |
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ccefe4c4 | 1 | /* Partial symbol tables. |
95cf5869 | 2 | |
61baf725 | 3 | Copyright (C) 2009-2017 Free Software Foundation, Inc. |
ccefe4c4 TT |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include "defs.h" | |
21 | #include "symtab.h" | |
22 | #include "psympriv.h" | |
23 | #include "objfiles.h" | |
ccefe4c4 TT |
24 | #include "block.h" |
25 | #include "filenames.h" | |
26 | #include "source.h" | |
27 | #include "addrmap.h" | |
28 | #include "gdbtypes.h" | |
29 | #include "bcache.h" | |
30 | #include "ui-out.h" | |
31 | #include "command.h" | |
32 | #include "readline/readline.h" | |
33 | #include "gdb_regex.h" | |
40658b94 | 34 | #include "dictionary.h" |
c00f8484 KS |
35 | #include "language.h" |
36 | #include "cp-support.h" | |
dfc7bb5b | 37 | #include "gdbcmd.h" |
ccefe4c4 | 38 | |
710e1a31 SW |
39 | struct psymbol_bcache |
40 | { | |
41 | struct bcache *bcache; | |
42 | }; | |
43 | ||
5c80ed9d TT |
44 | static struct partial_symbol *match_partial_symbol (struct objfile *, |
45 | struct partial_symtab *, | |
40658b94 PH |
46 | int, |
47 | const char *, domain_enum, | |
2edb89d3 JK |
48 | symbol_compare_ftype *, |
49 | symbol_compare_ftype *); | |
40658b94 | 50 | |
5c80ed9d TT |
51 | static struct partial_symbol *lookup_partial_symbol (struct objfile *, |
52 | struct partial_symtab *, | |
ccefe4c4 TT |
53 | const char *, int, |
54 | domain_enum); | |
55 | ||
da5132d3 | 56 | static const char *psymtab_to_fullname (struct partial_symtab *ps); |
ccefe4c4 | 57 | |
5c80ed9d TT |
58 | static struct partial_symbol *find_pc_sect_psymbol (struct objfile *, |
59 | struct partial_symtab *, | |
ccefe4c4 TT |
60 | CORE_ADDR, |
61 | struct obj_section *); | |
62 | ||
50da2f25 YQ |
63 | static void fixup_psymbol_section (struct partial_symbol *psym, |
64 | struct objfile *objfile); | |
ccefe4c4 | 65 | |
43f3e411 DE |
66 | static struct compunit_symtab *psymtab_to_symtab (struct objfile *objfile, |
67 | struct partial_symtab *pst); | |
ccefe4c4 | 68 | |
b11896a5 TT |
69 | /* Ensure that the partial symbols for OBJFILE have been loaded. This |
70 | function always returns its argument, as a convenience. */ | |
71 | ||
72 | struct objfile * | |
73 | require_partial_symbols (struct objfile *objfile, int verbose) | |
74 | { | |
75 | if ((objfile->flags & OBJF_PSYMTABS_READ) == 0) | |
76 | { | |
77 | objfile->flags |= OBJF_PSYMTABS_READ; | |
78 | ||
79 | if (objfile->sf->sym_read_psymbols) | |
80 | { | |
81 | if (verbose) | |
82 | { | |
83 | printf_unfiltered (_("Reading symbols from %s..."), | |
4262abfb | 84 | objfile_name (objfile)); |
b11896a5 TT |
85 | gdb_flush (gdb_stdout); |
86 | } | |
87 | (*objfile->sf->sym_read_psymbols) (objfile); | |
88 | if (verbose) | |
89 | { | |
90 | if (!objfile_has_symbols (objfile)) | |
91 | { | |
92 | wrap_here (""); | |
93 | printf_unfiltered (_("(no debugging symbols found)...")); | |
94 | wrap_here (""); | |
95 | } | |
96 | ||
97 | printf_unfiltered (_("done.\n")); | |
98 | } | |
99 | } | |
100 | } | |
101 | ||
102 | return objfile; | |
103 | } | |
104 | ||
105 | /* Traverse all psymtabs in one objfile, requiring that the psymtabs | |
106 | be read in. */ | |
107 | ||
108 | #define ALL_OBJFILE_PSYMTABS_REQUIRED(objfile, p) \ | |
109 | for ((p) = require_partial_symbols (objfile, 1)->psymtabs; \ | |
110 | (p) != NULL; \ | |
111 | (p) = (p)->next) | |
112 | ||
113 | /* We want to make sure this file always requires psymtabs. */ | |
114 | ||
115 | #undef ALL_OBJFILE_PSYMTABS | |
116 | ||
117 | /* Traverse all psymtabs in all objfiles. */ | |
118 | ||
119 | #define ALL_PSYMTABS(objfile, p) \ | |
120 | ALL_OBJFILES (objfile) \ | |
121 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) | |
122 | ||
83827540 | 123 | /* Helper function for psym_map_symtabs_matching_filename that |
f8eba3c6 | 124 | expands the symtabs and calls the iterator. */ |
ccefe4c4 | 125 | |
14bc53a8 | 126 | static bool |
f8eba3c6 TT |
127 | partial_map_expand_apply (struct objfile *objfile, |
128 | const char *name, | |
f8eba3c6 TT |
129 | const char *real_path, |
130 | struct partial_symtab *pst, | |
14bc53a8 | 131 | gdb::function_view<bool (symtab *)> callback) |
f8eba3c6 | 132 | { |
43f3e411 | 133 | struct compunit_symtab *last_made = objfile->compunit_symtabs; |
f8eba3c6 | 134 | |
9439a077 TT |
135 | /* Shared psymtabs should never be seen here. Instead they should |
136 | be handled properly by the caller. */ | |
137 | gdb_assert (pst->user == NULL); | |
138 | ||
f8eba3c6 TT |
139 | /* Don't visit already-expanded psymtabs. */ |
140 | if (pst->readin) | |
141 | return 0; | |
142 | ||
143 | /* This may expand more than one symtab, and we want to iterate over | |
144 | all of them. */ | |
5c80ed9d | 145 | psymtab_to_symtab (objfile, pst); |
f8eba3c6 | 146 | |
14bc53a8 PA |
147 | return iterate_over_some_symtabs (name, real_path, objfile->compunit_symtabs, |
148 | last_made, callback); | |
f8eba3c6 TT |
149 | } |
150 | ||
83827540 DE |
151 | /* Psymtab version of map_symtabs_matching_filename. See its definition in |
152 | the definition of quick_symbol_functions in symfile.h. */ | |
f8eba3c6 | 153 | |
14bc53a8 PA |
154 | static bool |
155 | psym_map_symtabs_matching_filename | |
156 | (struct objfile *objfile, | |
157 | const char *name, | |
158 | const char *real_path, | |
159 | gdb::function_view<bool (symtab *)> callback) | |
ccefe4c4 TT |
160 | { |
161 | struct partial_symtab *pst; | |
c011a4f4 | 162 | const char *name_basename = lbasename (name); |
ccefe4c4 | 163 | |
b11896a5 | 164 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
ccefe4c4 | 165 | { |
9439a077 TT |
166 | /* We can skip shared psymtabs here, because any file name will be |
167 | attached to the unshared psymtab. */ | |
168 | if (pst->user != NULL) | |
169 | continue; | |
170 | ||
b4c41fc7 DE |
171 | /* Anonymous psymtabs don't have a file name. */ |
172 | if (pst->anonymous) | |
173 | continue; | |
174 | ||
af529f8f | 175 | if (compare_filenames_for_search (pst->filename, name)) |
ccefe4c4 | 176 | { |
f5b95b50 | 177 | if (partial_map_expand_apply (objfile, name, real_path, |
14bc53a8 PA |
178 | pst, callback)) |
179 | return true; | |
288e77a7 | 180 | continue; |
ccefe4c4 TT |
181 | } |
182 | ||
c011a4f4 DE |
183 | /* Before we invoke realpath, which can get expensive when many |
184 | files are involved, do a quick comparison of the basenames. */ | |
185 | if (! basenames_may_differ | |
186 | && FILENAME_CMP (name_basename, lbasename (pst->filename)) != 0) | |
187 | continue; | |
188 | ||
05cba821 JK |
189 | if (compare_filenames_for_search (psymtab_to_fullname (pst), name)) |
190 | { | |
191 | if (partial_map_expand_apply (objfile, name, real_path, | |
14bc53a8 PA |
192 | pst, callback)) |
193 | return true; | |
288e77a7 | 194 | continue; |
05cba821 JK |
195 | } |
196 | ||
ccefe4c4 TT |
197 | /* If the user gave us an absolute path, try to find the file in |
198 | this symtab and use its absolute path. */ | |
ccefe4c4 TT |
199 | if (real_path != NULL) |
200 | { | |
af529f8f JK |
201 | gdb_assert (IS_ABSOLUTE_PATH (real_path)); |
202 | gdb_assert (IS_ABSOLUTE_PATH (name)); | |
fbd9ab74 | 203 | if (filename_cmp (psymtab_to_fullname (pst), real_path) == 0) |
ccefe4c4 | 204 | { |
f5b95b50 | 205 | if (partial_map_expand_apply (objfile, name, real_path, |
14bc53a8 PA |
206 | pst, callback)) |
207 | return true; | |
288e77a7 | 208 | continue; |
ccefe4c4 TT |
209 | } |
210 | } | |
211 | } | |
212 | ||
14bc53a8 | 213 | return false; |
ccefe4c4 TT |
214 | } |
215 | ||
216 | /* Find which partial symtab contains PC and SECTION starting at psymtab PST. | |
217 | We may find a different psymtab than PST. See FIND_PC_SECT_PSYMTAB. */ | |
218 | ||
219 | static struct partial_symtab * | |
5c80ed9d TT |
220 | find_pc_sect_psymtab_closer (struct objfile *objfile, |
221 | CORE_ADDR pc, struct obj_section *section, | |
ccefe4c4 | 222 | struct partial_symtab *pst, |
77e371c0 | 223 | struct bound_minimal_symbol msymbol) |
ccefe4c4 | 224 | { |
ccefe4c4 TT |
225 | struct partial_symtab *tpst; |
226 | struct partial_symtab *best_pst = pst; | |
227 | CORE_ADDR best_addr = pst->textlow; | |
228 | ||
9750bca9 JK |
229 | gdb_assert (!pst->psymtabs_addrmap_supported); |
230 | ||
ccefe4c4 TT |
231 | /* An objfile that has its functions reordered might have |
232 | many partial symbol tables containing the PC, but | |
233 | we want the partial symbol table that contains the | |
234 | function containing the PC. */ | |
95cf5869 DE |
235 | if (!(objfile->flags & OBJF_REORDERED) |
236 | && section == NULL) /* Can't validate section this way. */ | |
ccefe4c4 TT |
237 | return pst; |
238 | ||
77e371c0 | 239 | if (msymbol.minsym == NULL) |
95cf5869 | 240 | return pst; |
ccefe4c4 TT |
241 | |
242 | /* The code range of partial symtabs sometimes overlap, so, in | |
243 | the loop below, we need to check all partial symtabs and | |
0df8b418 | 244 | find the one that fits better for the given PC address. We |
ccefe4c4 TT |
245 | select the partial symtab that contains a symbol whose |
246 | address is closest to the PC address. By closest we mean | |
247 | that find_pc_sect_symbol returns the symbol with address | |
248 | that is closest and still less than the given PC. */ | |
249 | for (tpst = pst; tpst != NULL; tpst = tpst->next) | |
250 | { | |
251 | if (pc >= tpst->textlow && pc < tpst->texthigh) | |
252 | { | |
253 | struct partial_symbol *p; | |
254 | CORE_ADDR this_addr; | |
255 | ||
256 | /* NOTE: This assumes that every psymbol has a | |
257 | corresponding msymbol, which is not necessarily | |
258 | true; the debug info might be much richer than the | |
259 | object's symbol table. */ | |
5c80ed9d | 260 | p = find_pc_sect_psymbol (objfile, tpst, pc, section); |
ccefe4c4 | 261 | if (p != NULL |
95cf5869 DE |
262 | && (SYMBOL_VALUE_ADDRESS (p) |
263 | == BMSYMBOL_VALUE_ADDRESS (msymbol))) | |
ccefe4c4 TT |
264 | return tpst; |
265 | ||
266 | /* Also accept the textlow value of a psymtab as a | |
267 | "symbol", to provide some support for partial | |
268 | symbol tables with line information but no debug | |
269 | symbols (e.g. those produced by an assembler). */ | |
270 | if (p != NULL) | |
271 | this_addr = SYMBOL_VALUE_ADDRESS (p); | |
272 | else | |
273 | this_addr = tpst->textlow; | |
274 | ||
275 | /* Check whether it is closer than our current | |
276 | BEST_ADDR. Since this symbol address is | |
277 | necessarily lower or equal to PC, the symbol closer | |
278 | to PC is the symbol which address is the highest. | |
279 | This way we return the psymtab which contains such | |
0df8b418 | 280 | best match symbol. This can help in cases where the |
ccefe4c4 TT |
281 | symbol information/debuginfo is not complete, like |
282 | for instance on IRIX6 with gcc, where no debug info | |
0df8b418 MS |
283 | is emitted for statics. (See also the nodebug.exp |
284 | testcase.) */ | |
ccefe4c4 TT |
285 | if (this_addr > best_addr) |
286 | { | |
287 | best_addr = this_addr; | |
288 | best_pst = tpst; | |
289 | } | |
290 | } | |
291 | } | |
292 | return best_pst; | |
293 | } | |
294 | ||
95cf5869 | 295 | /* Find which partial symtab contains PC and SECTION. Return NULL if |
ccefe4c4 TT |
296 | none. We return the psymtab that contains a symbol whose address |
297 | exactly matches PC, or, if we cannot find an exact match, the | |
298 | psymtab that contains a symbol whose address is closest to PC. */ | |
95cf5869 | 299 | |
ccefe4c4 TT |
300 | static struct partial_symtab * |
301 | find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc, | |
302 | struct obj_section *section, | |
77e371c0 | 303 | struct bound_minimal_symbol msymbol) |
ccefe4c4 TT |
304 | { |
305 | struct partial_symtab *pst; | |
306 | ||
307 | /* Try just the PSYMTABS_ADDRMAP mapping first as it has better granularity | |
308 | than the later used TEXTLOW/TEXTHIGH one. */ | |
309 | ||
310 | if (objfile->psymtabs_addrmap != NULL) | |
311 | { | |
19ba03f4 SM |
312 | pst = ((struct partial_symtab *) |
313 | addrmap_find (objfile->psymtabs_addrmap, pc)); | |
ccefe4c4 TT |
314 | if (pst != NULL) |
315 | { | |
316 | /* FIXME: addrmaps currently do not handle overlayed sections, | |
317 | so fall back to the non-addrmap case if we're debugging | |
318 | overlays and the addrmap returned the wrong section. */ | |
95cf5869 | 319 | if (overlay_debugging && msymbol.minsym != NULL && section != NULL) |
ccefe4c4 TT |
320 | { |
321 | struct partial_symbol *p; | |
ad3bbd48 | 322 | |
ccefe4c4 TT |
323 | /* NOTE: This assumes that every psymbol has a |
324 | corresponding msymbol, which is not necessarily | |
325 | true; the debug info might be much richer than the | |
326 | object's symbol table. */ | |
5c80ed9d | 327 | p = find_pc_sect_psymbol (objfile, pst, pc, section); |
95cf5869 DE |
328 | if (p == NULL |
329 | || (SYMBOL_VALUE_ADDRESS (p) | |
330 | != BMSYMBOL_VALUE_ADDRESS (msymbol))) | |
ccefe4c4 TT |
331 | goto next; |
332 | } | |
333 | ||
334 | /* We do not try to call FIND_PC_SECT_PSYMTAB_CLOSER as | |
335 | PSYMTABS_ADDRMAP we used has already the best 1-byte | |
336 | granularity and FIND_PC_SECT_PSYMTAB_CLOSER may mislead us into | |
337 | a worse chosen section due to the TEXTLOW/TEXTHIGH ranges | |
338 | overlap. */ | |
339 | ||
340 | return pst; | |
341 | } | |
342 | } | |
343 | ||
344 | next: | |
345 | ||
346 | /* Existing PSYMTABS_ADDRMAP mapping is present even for PARTIAL_SYMTABs | |
347 | which still have no corresponding full SYMTABs read. But it is not | |
348 | present for non-DWARF2 debug infos not supporting PSYMTABS_ADDRMAP in GDB | |
349 | so far. */ | |
350 | ||
351 | /* Check even OBJFILE with non-zero PSYMTABS_ADDRMAP as only several of | |
352 | its CUs may be missing in PSYMTABS_ADDRMAP as they may be varying | |
353 | debug info type in single OBJFILE. */ | |
354 | ||
b11896a5 | 355 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
9750bca9 JK |
356 | if (!pst->psymtabs_addrmap_supported |
357 | && pc >= pst->textlow && pc < pst->texthigh) | |
ccefe4c4 TT |
358 | { |
359 | struct partial_symtab *best_pst; | |
360 | ||
5c80ed9d TT |
361 | best_pst = find_pc_sect_psymtab_closer (objfile, pc, section, pst, |
362 | msymbol); | |
ccefe4c4 TT |
363 | if (best_pst != NULL) |
364 | return best_pst; | |
365 | } | |
366 | ||
367 | return NULL; | |
368 | } | |
369 | ||
95cf5869 DE |
370 | /* Psymtab version of find_pc_sect_compunit_symtab. See its definition in |
371 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 372 | |
43f3e411 | 373 | static struct compunit_symtab * |
83827540 DE |
374 | psym_find_pc_sect_compunit_symtab (struct objfile *objfile, |
375 | struct bound_minimal_symbol msymbol, | |
376 | CORE_ADDR pc, | |
377 | struct obj_section *section, | |
378 | int warn_if_readin) | |
ccefe4c4 TT |
379 | { |
380 | struct partial_symtab *ps = find_pc_sect_psymtab (objfile, pc, section, | |
381 | msymbol); | |
95cf5869 | 382 | if (ps != NULL) |
ccefe4c4 TT |
383 | { |
384 | if (warn_if_readin && ps->readin) | |
385 | /* Might want to error() here (in case symtab is corrupt and | |
386 | will cause a core dump), but maybe we can successfully | |
387 | continue, so let's not. */ | |
388 | warning (_("\ | |
389 | (Internal error: pc %s in read in psymtab, but not in symtab.)\n"), | |
5c80ed9d TT |
390 | paddress (get_objfile_arch (objfile), pc)); |
391 | psymtab_to_symtab (objfile, ps); | |
43f3e411 | 392 | return ps->compunit_symtab; |
ccefe4c4 TT |
393 | } |
394 | return NULL; | |
395 | } | |
396 | ||
397 | /* Find which partial symbol within a psymtab matches PC and SECTION. | |
95cf5869 | 398 | Return NULL if none. */ |
ccefe4c4 TT |
399 | |
400 | static struct partial_symbol * | |
5c80ed9d TT |
401 | find_pc_sect_psymbol (struct objfile *objfile, |
402 | struct partial_symtab *psymtab, CORE_ADDR pc, | |
ccefe4c4 TT |
403 | struct obj_section *section) |
404 | { | |
405 | struct partial_symbol *best = NULL, *p, **pp; | |
406 | CORE_ADDR best_pc; | |
407 | ||
408 | gdb_assert (psymtab != NULL); | |
409 | ||
0df8b418 | 410 | /* Cope with programs that start at address 0. */ |
ccefe4c4 TT |
411 | best_pc = (psymtab->textlow != 0) ? psymtab->textlow - 1 : 0; |
412 | ||
413 | /* Search the global symbols as well as the static symbols, so that | |
414 | find_pc_partial_function doesn't use a minimal symbol and thus | |
415 | cache a bad endaddr. */ | |
5c80ed9d | 416 | for (pp = objfile->global_psymbols.list + psymtab->globals_offset; |
95cf5869 DE |
417 | (pp - (objfile->global_psymbols.list + psymtab->globals_offset) |
418 | < psymtab->n_global_syms); | |
ccefe4c4 TT |
419 | pp++) |
420 | { | |
421 | p = *pp; | |
422 | if (SYMBOL_DOMAIN (p) == VAR_DOMAIN | |
dbccfd4c | 423 | && PSYMBOL_CLASS (p) == LOC_BLOCK |
ccefe4c4 TT |
424 | && pc >= SYMBOL_VALUE_ADDRESS (p) |
425 | && (SYMBOL_VALUE_ADDRESS (p) > best_pc | |
426 | || (psymtab->textlow == 0 | |
427 | && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0))) | |
428 | { | |
95cf5869 | 429 | if (section != NULL) /* Match on a specific section. */ |
ccefe4c4 | 430 | { |
5c80ed9d | 431 | fixup_psymbol_section (p, objfile); |
e27d198c TT |
432 | if (!matching_obj_sections (SYMBOL_OBJ_SECTION (objfile, p), |
433 | section)) | |
ccefe4c4 TT |
434 | continue; |
435 | } | |
436 | best_pc = SYMBOL_VALUE_ADDRESS (p); | |
437 | best = p; | |
438 | } | |
439 | } | |
440 | ||
5c80ed9d | 441 | for (pp = objfile->static_psymbols.list + psymtab->statics_offset; |
95cf5869 DE |
442 | (pp - (objfile->static_psymbols.list + psymtab->statics_offset) |
443 | < psymtab->n_static_syms); | |
ccefe4c4 TT |
444 | pp++) |
445 | { | |
446 | p = *pp; | |
447 | if (SYMBOL_DOMAIN (p) == VAR_DOMAIN | |
dbccfd4c | 448 | && PSYMBOL_CLASS (p) == LOC_BLOCK |
ccefe4c4 TT |
449 | && pc >= SYMBOL_VALUE_ADDRESS (p) |
450 | && (SYMBOL_VALUE_ADDRESS (p) > best_pc | |
451 | || (psymtab->textlow == 0 | |
452 | && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0))) | |
453 | { | |
95cf5869 | 454 | if (section != NULL) /* Match on a specific section. */ |
ccefe4c4 | 455 | { |
5c80ed9d | 456 | fixup_psymbol_section (p, objfile); |
e27d198c TT |
457 | if (!matching_obj_sections (SYMBOL_OBJ_SECTION (objfile, p), |
458 | section)) | |
ccefe4c4 TT |
459 | continue; |
460 | } | |
461 | best_pc = SYMBOL_VALUE_ADDRESS (p); | |
462 | best = p; | |
463 | } | |
464 | } | |
465 | ||
466 | return best; | |
467 | } | |
468 | ||
50da2f25 | 469 | static void |
ccefe4c4 TT |
470 | fixup_psymbol_section (struct partial_symbol *psym, struct objfile *objfile) |
471 | { | |
472 | CORE_ADDR addr; | |
473 | ||
95cf5869 | 474 | if (psym == NULL) |
e27d198c TT |
475 | return; |
476 | ||
477 | if (SYMBOL_SECTION (psym) >= 0) | |
50da2f25 | 478 | return; |
ccefe4c4 TT |
479 | |
480 | gdb_assert (objfile); | |
481 | ||
dbccfd4c | 482 | switch (PSYMBOL_CLASS (psym)) |
ccefe4c4 TT |
483 | { |
484 | case LOC_STATIC: | |
485 | case LOC_LABEL: | |
486 | case LOC_BLOCK: | |
487 | addr = SYMBOL_VALUE_ADDRESS (psym); | |
488 | break; | |
489 | default: | |
490 | /* Nothing else will be listed in the minsyms -- no use looking | |
491 | it up. */ | |
50da2f25 | 492 | return; |
ccefe4c4 TT |
493 | } |
494 | ||
495 | fixup_section (&psym->ginfo, addr, objfile); | |
ccefe4c4 TT |
496 | } |
497 | ||
95cf5869 DE |
498 | /* Psymtab version of lookup_symbol. See its definition in |
499 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 500 | |
43f3e411 | 501 | static struct compunit_symtab * |
83827540 DE |
502 | psym_lookup_symbol (struct objfile *objfile, |
503 | int block_index, const char *name, | |
504 | const domain_enum domain) | |
ccefe4c4 TT |
505 | { |
506 | struct partial_symtab *ps; | |
507 | const int psymtab_index = (block_index == GLOBAL_BLOCK ? 1 : 0); | |
43f3e411 | 508 | struct compunit_symtab *stab_best = NULL; |
ccefe4c4 | 509 | |
b11896a5 | 510 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 | 511 | { |
5c80ed9d TT |
512 | if (!ps->readin && lookup_partial_symbol (objfile, ps, name, |
513 | psymtab_index, domain)) | |
c00f8484 | 514 | { |
b2e2f908 | 515 | struct symbol *sym, *with_opaque = NULL; |
43f3e411 | 516 | struct compunit_symtab *stab = psymtab_to_symtab (objfile, ps); |
f194fefb DE |
517 | /* Note: While psymtab_to_symtab can return NULL if the partial symtab |
518 | is empty, we can assume it won't here because lookup_partial_symbol | |
519 | succeeded. */ | |
43f3e411 | 520 | const struct blockvector *bv = COMPUNIT_BLOCKVECTOR (stab); |
f194fefb | 521 | struct block *block = BLOCKVECTOR_BLOCK (bv, block_index); |
c00f8484 | 522 | |
b2e2f908 DE |
523 | sym = block_find_symbol (block, name, domain, |
524 | block_find_non_opaque_type_preferred, | |
525 | &with_opaque); | |
526 | ||
c00f8484 | 527 | /* Some caution must be observed with overloaded functions |
b2e2f908 | 528 | and methods, since the index will not contain any overload |
c00f8484 | 529 | information (but NAME might contain it). */ |
bfb05775 | 530 | |
b2e2f908 | 531 | if (sym != NULL |
a778f165 | 532 | && SYMBOL_MATCHES_SEARCH_NAME (sym, name)) |
b2e2f908 DE |
533 | return stab; |
534 | if (with_opaque != NULL | |
a778f165 | 535 | && SYMBOL_MATCHES_SEARCH_NAME (with_opaque, name)) |
b2e2f908 | 536 | stab_best = stab; |
c00f8484 KS |
537 | |
538 | /* Keep looking through other psymtabs. */ | |
539 | } | |
ccefe4c4 TT |
540 | } |
541 | ||
bfb05775 | 542 | return stab_best; |
ccefe4c4 TT |
543 | } |
544 | ||
40658b94 PH |
545 | /* Look in PST for a symbol in DOMAIN whose name matches NAME. Search |
546 | the global block of PST if GLOBAL, and otherwise the static block. | |
547 | MATCH is the comparison operation that returns true iff MATCH (s, | |
548 | NAME), where s is a SYMBOL_SEARCH_NAME. If ORDERED_COMPARE is | |
549 | non-null, the symbols in the block are assumed to be ordered | |
550 | according to it (allowing binary search). It must be compatible | |
551 | with MATCH. Returns the symbol, if found, and otherwise NULL. */ | |
552 | ||
553 | static struct partial_symbol * | |
5c80ed9d TT |
554 | match_partial_symbol (struct objfile *objfile, |
555 | struct partial_symtab *pst, int global, | |
40658b94 | 556 | const char *name, domain_enum domain, |
2edb89d3 JK |
557 | symbol_compare_ftype *match, |
558 | symbol_compare_ftype *ordered_compare) | |
40658b94 PH |
559 | { |
560 | struct partial_symbol **start, **psym; | |
561 | struct partial_symbol **top, **real_top, **bottom, **center; | |
562 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
563 | int do_linear_search = 1; | |
564 | ||
565 | if (length == 0) | |
566 | return NULL; | |
567 | start = (global ? | |
5c80ed9d TT |
568 | objfile->global_psymbols.list + pst->globals_offset : |
569 | objfile->static_psymbols.list + pst->statics_offset); | |
40658b94 PH |
570 | |
571 | if (global && ordered_compare) /* Can use a binary search. */ | |
572 | { | |
573 | do_linear_search = 0; | |
574 | ||
575 | /* Binary search. This search is guaranteed to end with center | |
576 | pointing at the earliest partial symbol whose name might be | |
577 | correct. At that point *all* partial symbols with an | |
578 | appropriate name will be checked against the correct | |
579 | domain. */ | |
580 | ||
581 | bottom = start; | |
582 | top = start + length - 1; | |
583 | real_top = top; | |
584 | while (top > bottom) | |
585 | { | |
586 | center = bottom + (top - bottom) / 2; | |
587 | gdb_assert (center < top); | |
40658b94 PH |
588 | if (ordered_compare (SYMBOL_SEARCH_NAME (*center), name) >= 0) |
589 | top = center; | |
590 | else | |
591 | bottom = center + 1; | |
592 | } | |
593 | gdb_assert (top == bottom); | |
594 | ||
595 | while (top <= real_top | |
596 | && match (SYMBOL_SEARCH_NAME (*top), name) == 0) | |
597 | { | |
4186eb54 KS |
598 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*top), |
599 | SYMBOL_DOMAIN (*top), domain)) | |
40658b94 PH |
600 | return *top; |
601 | top++; | |
602 | } | |
603 | } | |
604 | ||
605 | /* Can't use a binary search or else we found during the binary search that | |
606 | we should also do a linear search. */ | |
607 | ||
608 | if (do_linear_search) | |
609 | { | |
610 | for (psym = start; psym < start + length; psym++) | |
611 | { | |
4186eb54 KS |
612 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym), |
613 | SYMBOL_DOMAIN (*psym), domain) | |
40658b94 PH |
614 | && match (SYMBOL_SEARCH_NAME (*psym), name) == 0) |
615 | return *psym; | |
616 | } | |
617 | } | |
618 | ||
619 | return NULL; | |
620 | } | |
621 | ||
c00f8484 KS |
622 | /* Returns the name used to search psymtabs. Unlike symtabs, psymtabs do |
623 | not contain any method/function instance information (since this would | |
624 | force reading type information while reading psymtabs). Therefore, | |
625 | if NAME contains overload information, it must be stripped before searching | |
626 | psymtabs. | |
627 | ||
628 | The caller is responsible for freeing the return result. */ | |
629 | ||
56f37645 | 630 | static gdb::unique_xmalloc_ptr<char> |
c00f8484 KS |
631 | psymtab_search_name (const char *name) |
632 | { | |
633 | switch (current_language->la_language) | |
634 | { | |
635 | case language_cplus: | |
c00f8484 | 636 | { |
b2a919a8 DE |
637 | if (strchr (name, '(')) |
638 | { | |
639 | char *ret = cp_remove_params (name); | |
c00f8484 | 640 | |
b2a919a8 | 641 | if (ret) |
56f37645 | 642 | return gdb::unique_xmalloc_ptr<char> (ret); |
b2a919a8 | 643 | } |
c00f8484 KS |
644 | } |
645 | break; | |
646 | ||
647 | default: | |
648 | break; | |
649 | } | |
650 | ||
56f37645 | 651 | return gdb::unique_xmalloc_ptr<char> (xstrdup (name)); |
c00f8484 KS |
652 | } |
653 | ||
ccefe4c4 | 654 | /* Look, in partial_symtab PST, for symbol whose natural name is NAME. |
40658b94 | 655 | Check the global symbols if GLOBAL, the static symbols if not. */ |
ccefe4c4 | 656 | |
18430289 | 657 | static struct partial_symbol * |
5c80ed9d TT |
658 | lookup_partial_symbol (struct objfile *objfile, |
659 | struct partial_symtab *pst, const char *name, | |
ccefe4c4 TT |
660 | int global, domain_enum domain) |
661 | { | |
ccefe4c4 TT |
662 | struct partial_symbol **start, **psym; |
663 | struct partial_symbol **top, **real_top, **bottom, **center; | |
664 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
665 | int do_linear_search = 1; | |
666 | ||
667 | if (length == 0) | |
95cf5869 | 668 | return NULL; |
c00f8484 | 669 | |
56f37645 | 670 | gdb::unique_xmalloc_ptr<char> search_name = psymtab_search_name (name); |
ccefe4c4 | 671 | start = (global ? |
5c80ed9d TT |
672 | objfile->global_psymbols.list + pst->globals_offset : |
673 | objfile->static_psymbols.list + pst->statics_offset); | |
ccefe4c4 | 674 | |
0df8b418 | 675 | if (global) /* This means we can use a binary search. */ |
ccefe4c4 TT |
676 | { |
677 | do_linear_search = 0; | |
678 | ||
679 | /* Binary search. This search is guaranteed to end with center | |
680 | pointing at the earliest partial symbol whose name might be | |
681 | correct. At that point *all* partial symbols with an | |
682 | appropriate name will be checked against the correct | |
683 | domain. */ | |
684 | ||
685 | bottom = start; | |
686 | top = start + length - 1; | |
687 | real_top = top; | |
688 | while (top > bottom) | |
689 | { | |
690 | center = bottom + (top - bottom) / 2; | |
691 | if (!(center < top)) | |
3e43a32a MS |
692 | internal_error (__FILE__, __LINE__, |
693 | _("failed internal consistency check")); | |
c00f8484 | 694 | if (strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*center), |
56f37645 | 695 | search_name.get ()) >= 0) |
ccefe4c4 TT |
696 | { |
697 | top = center; | |
698 | } | |
699 | else | |
700 | { | |
701 | bottom = center + 1; | |
702 | } | |
703 | } | |
704 | if (!(top == bottom)) | |
3e43a32a MS |
705 | internal_error (__FILE__, __LINE__, |
706 | _("failed internal consistency check")); | |
ccefe4c4 | 707 | |
559a7a62 JK |
708 | /* For `case_sensitivity == case_sensitive_off' strcmp_iw_ordered will |
709 | search more exactly than what matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
56f37645 TT |
710 | while (top >= start && SYMBOL_MATCHES_SEARCH_NAME (*top, |
711 | search_name.get ())) | |
559a7a62 JK |
712 | top--; |
713 | ||
714 | /* Fixup to have a symbol which matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
715 | top++; | |
716 | ||
56f37645 TT |
717 | while (top <= real_top |
718 | && SYMBOL_MATCHES_SEARCH_NAME (*top, search_name.get ())) | |
ccefe4c4 | 719 | { |
4186eb54 KS |
720 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*top), |
721 | SYMBOL_DOMAIN (*top), domain)) | |
56f37645 | 722 | return *top; |
ccefe4c4 TT |
723 | top++; |
724 | } | |
725 | } | |
726 | ||
727 | /* Can't use a binary search or else we found during the binary search that | |
40658b94 | 728 | we should also do a linear search. */ |
ccefe4c4 TT |
729 | |
730 | if (do_linear_search) | |
731 | { | |
732 | for (psym = start; psym < start + length; psym++) | |
733 | { | |
4186eb54 KS |
734 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym), |
735 | SYMBOL_DOMAIN (*psym), domain) | |
56f37645 TT |
736 | && SYMBOL_MATCHES_SEARCH_NAME (*psym, search_name.get ())) |
737 | return *psym; | |
ccefe4c4 TT |
738 | } |
739 | } | |
740 | ||
95cf5869 | 741 | return NULL; |
ccefe4c4 TT |
742 | } |
743 | ||
744 | /* Get the symbol table that corresponds to a partial_symtab. | |
f194fefb DE |
745 | This is fast after the first time you do it. |
746 | The result will be NULL if the primary symtab has no symbols, | |
747 | which can happen. Otherwise the result is the primary symtab | |
748 | that contains PST. */ | |
ccefe4c4 | 749 | |
43f3e411 | 750 | static struct compunit_symtab * |
5c80ed9d | 751 | psymtab_to_symtab (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 752 | { |
9439a077 TT |
753 | /* If it is a shared psymtab, find an unshared psymtab that includes |
754 | it. Any such psymtab will do. */ | |
755 | while (pst->user != NULL) | |
756 | pst = pst->user; | |
757 | ||
0df8b418 | 758 | /* If it's been looked up before, return it. */ |
43f3e411 DE |
759 | if (pst->compunit_symtab) |
760 | return pst->compunit_symtab; | |
ccefe4c4 TT |
761 | |
762 | /* If it has not yet been read in, read it. */ | |
763 | if (!pst->readin) | |
764 | { | |
c83dd867 | 765 | scoped_restore decrementer = increment_reading_symtab (); |
ad3bbd48 | 766 | |
257e7a09 | 767 | (*pst->read_symtab) (pst, objfile); |
ccefe4c4 TT |
768 | } |
769 | ||
43f3e411 | 770 | return pst->compunit_symtab; |
ccefe4c4 TT |
771 | } |
772 | ||
95cf5869 DE |
773 | /* Psymtab version of relocate. See its definition in |
774 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 775 | |
ccefe4c4 | 776 | static void |
83827540 DE |
777 | psym_relocate (struct objfile *objfile, |
778 | const struct section_offsets *new_offsets, | |
779 | const struct section_offsets *delta) | |
ccefe4c4 TT |
780 | { |
781 | struct partial_symbol **psym; | |
782 | struct partial_symtab *p; | |
783 | ||
b11896a5 | 784 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) |
ccefe4c4 TT |
785 | { |
786 | p->textlow += ANOFFSET (delta, SECT_OFF_TEXT (objfile)); | |
787 | p->texthigh += ANOFFSET (delta, SECT_OFF_TEXT (objfile)); | |
788 | } | |
789 | ||
790 | for (psym = objfile->global_psymbols.list; | |
791 | psym < objfile->global_psymbols.next; | |
792 | psym++) | |
793 | { | |
794 | fixup_psymbol_section (*psym, objfile); | |
795 | if (SYMBOL_SECTION (*psym) >= 0) | |
796 | SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta, | |
797 | SYMBOL_SECTION (*psym)); | |
798 | } | |
799 | for (psym = objfile->static_psymbols.list; | |
800 | psym < objfile->static_psymbols.next; | |
801 | psym++) | |
802 | { | |
803 | fixup_psymbol_section (*psym, objfile); | |
804 | if (SYMBOL_SECTION (*psym) >= 0) | |
805 | SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta, | |
806 | SYMBOL_SECTION (*psym)); | |
807 | } | |
808 | } | |
809 | ||
95cf5869 DE |
810 | /* Psymtab version of find_last_source_symtab. See its definition in |
811 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 812 | |
ccefe4c4 | 813 | static struct symtab * |
83827540 | 814 | psym_find_last_source_symtab (struct objfile *ofp) |
ccefe4c4 | 815 | { |
ccefe4c4 | 816 | struct partial_symtab *ps; |
95cf5869 | 817 | struct partial_symtab *cs_pst = NULL; |
ccefe4c4 | 818 | |
b11896a5 | 819 | ALL_OBJFILE_PSYMTABS_REQUIRED (ofp, ps) |
ccefe4c4 TT |
820 | { |
821 | const char *name = ps->filename; | |
822 | int len = strlen (name); | |
ad3bbd48 | 823 | |
ccefe4c4 TT |
824 | if (!(len > 2 && (strcmp (&name[len - 2], ".h") == 0 |
825 | || strcmp (name, "<<C++-namespaces>>") == 0))) | |
826 | cs_pst = ps; | |
827 | } | |
828 | ||
829 | if (cs_pst) | |
830 | { | |
831 | if (cs_pst->readin) | |
832 | { | |
833 | internal_error (__FILE__, __LINE__, | |
834 | _("select_source_symtab: " | |
835 | "readin pst found and no symtabs.")); | |
836 | } | |
837 | else | |
43f3e411 DE |
838 | { |
839 | struct compunit_symtab *cust = psymtab_to_symtab (ofp, cs_pst); | |
840 | ||
841 | if (cust == NULL) | |
842 | return NULL; | |
843 | return compunit_primary_filetab (cust); | |
844 | } | |
ccefe4c4 TT |
845 | } |
846 | return NULL; | |
847 | } | |
848 | ||
95cf5869 DE |
849 | /* Psymtab version of forget_cached_source_info. See its definition in |
850 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 851 | |
ccefe4c4 | 852 | static void |
83827540 | 853 | psym_forget_cached_source_info (struct objfile *objfile) |
ccefe4c4 TT |
854 | { |
855 | struct partial_symtab *pst; | |
856 | ||
b11896a5 | 857 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
ccefe4c4 TT |
858 | { |
859 | if (pst->fullname != NULL) | |
860 | { | |
861 | xfree (pst->fullname); | |
862 | pst->fullname = NULL; | |
863 | } | |
864 | } | |
865 | } | |
866 | ||
867 | static void | |
868 | print_partial_symbols (struct gdbarch *gdbarch, | |
a121b7c1 | 869 | struct partial_symbol **p, int count, const char *what, |
ccefe4c4 TT |
870 | struct ui_file *outfile) |
871 | { | |
872 | fprintf_filtered (outfile, " %s partial symbols:\n", what); | |
873 | while (count-- > 0) | |
874 | { | |
27618ce4 | 875 | QUIT; |
ccefe4c4 TT |
876 | fprintf_filtered (outfile, " `%s'", SYMBOL_LINKAGE_NAME (*p)); |
877 | if (SYMBOL_DEMANGLED_NAME (*p) != NULL) | |
878 | { | |
879 | fprintf_filtered (outfile, " `%s'", SYMBOL_DEMANGLED_NAME (*p)); | |
880 | } | |
881 | fputs_filtered (", ", outfile); | |
882 | switch (SYMBOL_DOMAIN (*p)) | |
883 | { | |
884 | case UNDEF_DOMAIN: | |
885 | fputs_filtered ("undefined domain, ", outfile); | |
886 | break; | |
887 | case VAR_DOMAIN: | |
0df8b418 | 888 | /* This is the usual thing -- don't print it. */ |
ccefe4c4 TT |
889 | break; |
890 | case STRUCT_DOMAIN: | |
891 | fputs_filtered ("struct domain, ", outfile); | |
892 | break; | |
893 | case LABEL_DOMAIN: | |
894 | fputs_filtered ("label domain, ", outfile); | |
895 | break; | |
896 | default: | |
897 | fputs_filtered ("<invalid domain>, ", outfile); | |
898 | break; | |
899 | } | |
dbccfd4c | 900 | switch (PSYMBOL_CLASS (*p)) |
ccefe4c4 TT |
901 | { |
902 | case LOC_UNDEF: | |
903 | fputs_filtered ("undefined", outfile); | |
904 | break; | |
905 | case LOC_CONST: | |
906 | fputs_filtered ("constant int", outfile); | |
907 | break; | |
908 | case LOC_STATIC: | |
909 | fputs_filtered ("static", outfile); | |
910 | break; | |
911 | case LOC_REGISTER: | |
912 | fputs_filtered ("register", outfile); | |
913 | break; | |
914 | case LOC_ARG: | |
915 | fputs_filtered ("pass by value", outfile); | |
916 | break; | |
917 | case LOC_REF_ARG: | |
918 | fputs_filtered ("pass by reference", outfile); | |
919 | break; | |
920 | case LOC_REGPARM_ADDR: | |
921 | fputs_filtered ("register address parameter", outfile); | |
922 | break; | |
923 | case LOC_LOCAL: | |
924 | fputs_filtered ("stack parameter", outfile); | |
925 | break; | |
926 | case LOC_TYPEDEF: | |
927 | fputs_filtered ("type", outfile); | |
928 | break; | |
929 | case LOC_LABEL: | |
930 | fputs_filtered ("label", outfile); | |
931 | break; | |
932 | case LOC_BLOCK: | |
933 | fputs_filtered ("function", outfile); | |
934 | break; | |
935 | case LOC_CONST_BYTES: | |
936 | fputs_filtered ("constant bytes", outfile); | |
937 | break; | |
938 | case LOC_UNRESOLVED: | |
939 | fputs_filtered ("unresolved", outfile); | |
940 | break; | |
941 | case LOC_OPTIMIZED_OUT: | |
942 | fputs_filtered ("optimized out", outfile); | |
943 | break; | |
944 | case LOC_COMPUTED: | |
945 | fputs_filtered ("computed at runtime", outfile); | |
946 | break; | |
947 | default: | |
948 | fputs_filtered ("<invalid location>", outfile); | |
949 | break; | |
950 | } | |
951 | fputs_filtered (", ", outfile); | |
952 | fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (*p)), outfile); | |
953 | fprintf_filtered (outfile, "\n"); | |
954 | p++; | |
955 | } | |
956 | } | |
957 | ||
958 | static void | |
959 | dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab, | |
960 | struct ui_file *outfile) | |
961 | { | |
962 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
963 | int i; | |
964 | ||
b4c41fc7 DE |
965 | if (psymtab->anonymous) |
966 | { | |
967 | fprintf_filtered (outfile, "\nAnonymous partial symtab (%s) ", | |
968 | psymtab->filename); | |
969 | } | |
970 | else | |
971 | { | |
972 | fprintf_filtered (outfile, "\nPartial symtab for source file %s ", | |
973 | psymtab->filename); | |
974 | } | |
ccefe4c4 TT |
975 | fprintf_filtered (outfile, "(object "); |
976 | gdb_print_host_address (psymtab, outfile); | |
977 | fprintf_filtered (outfile, ")\n\n"); | |
978 | fprintf_unfiltered (outfile, " Read from object file %s (", | |
4262abfb | 979 | objfile_name (objfile)); |
ccefe4c4 TT |
980 | gdb_print_host_address (objfile, outfile); |
981 | fprintf_unfiltered (outfile, ")\n"); | |
982 | ||
983 | if (psymtab->readin) | |
984 | { | |
985 | fprintf_filtered (outfile, | |
986 | " Full symtab was read (at "); | |
43f3e411 | 987 | gdb_print_host_address (psymtab->compunit_symtab, outfile); |
ccefe4c4 TT |
988 | fprintf_filtered (outfile, " by function at "); |
989 | gdb_print_host_address (psymtab->read_symtab, outfile); | |
990 | fprintf_filtered (outfile, ")\n"); | |
991 | } | |
992 | ||
ccefe4c4 TT |
993 | fprintf_filtered (outfile, " Symbols cover text addresses "); |
994 | fputs_filtered (paddress (gdbarch, psymtab->textlow), outfile); | |
995 | fprintf_filtered (outfile, "-"); | |
996 | fputs_filtered (paddress (gdbarch, psymtab->texthigh), outfile); | |
997 | fprintf_filtered (outfile, "\n"); | |
9750bca9 JK |
998 | fprintf_filtered (outfile, " Address map supported - %s.\n", |
999 | psymtab->psymtabs_addrmap_supported ? "yes" : "no"); | |
ccefe4c4 TT |
1000 | fprintf_filtered (outfile, " Depends on %d other partial symtabs.\n", |
1001 | psymtab->number_of_dependencies); | |
1002 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
1003 | { | |
1004 | fprintf_filtered (outfile, " %d ", i); | |
1005 | gdb_print_host_address (psymtab->dependencies[i], outfile); | |
1006 | fprintf_filtered (outfile, " %s\n", | |
1007 | psymtab->dependencies[i]->filename); | |
1008 | } | |
9439a077 TT |
1009 | if (psymtab->user != NULL) |
1010 | { | |
1011 | fprintf_filtered (outfile, " Shared partial symtab with user "); | |
1012 | gdb_print_host_address (psymtab->user, outfile); | |
1013 | fprintf_filtered (outfile, "\n"); | |
1014 | } | |
ccefe4c4 TT |
1015 | if (psymtab->n_global_syms > 0) |
1016 | { | |
1017 | print_partial_symbols (gdbarch, | |
1018 | objfile->global_psymbols.list | |
1019 | + psymtab->globals_offset, | |
1020 | psymtab->n_global_syms, "Global", outfile); | |
1021 | } | |
1022 | if (psymtab->n_static_syms > 0) | |
1023 | { | |
1024 | print_partial_symbols (gdbarch, | |
1025 | objfile->static_psymbols.list | |
1026 | + psymtab->statics_offset, | |
1027 | psymtab->n_static_syms, "Static", outfile); | |
1028 | } | |
1029 | fprintf_filtered (outfile, "\n"); | |
1030 | } | |
1031 | ||
95cf5869 DE |
1032 | /* Psymtab version of print_stats. See its definition in |
1033 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1034 | |
ccefe4c4 | 1035 | static void |
83827540 | 1036 | psym_print_stats (struct objfile *objfile) |
ccefe4c4 TT |
1037 | { |
1038 | int i; | |
1039 | struct partial_symtab *ps; | |
ad3bbd48 | 1040 | |
ccefe4c4 | 1041 | i = 0; |
b11896a5 | 1042 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1043 | { |
1044 | if (ps->readin == 0) | |
1045 | i++; | |
1046 | } | |
1047 | printf_filtered (_(" Number of psym tables (not yet expanded): %d\n"), i); | |
1048 | } | |
1049 | ||
95cf5869 DE |
1050 | /* Psymtab version of dump. See its definition in |
1051 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1052 | |
ccefe4c4 | 1053 | static void |
83827540 | 1054 | psym_dump (struct objfile *objfile) |
ccefe4c4 TT |
1055 | { |
1056 | struct partial_symtab *psymtab; | |
1057 | ||
1058 | if (objfile->psymtabs) | |
1059 | { | |
1060 | printf_filtered ("Psymtabs:\n"); | |
1061 | for (psymtab = objfile->psymtabs; | |
1062 | psymtab != NULL; | |
1063 | psymtab = psymtab->next) | |
1064 | { | |
1065 | printf_filtered ("%s at ", | |
1066 | psymtab->filename); | |
1067 | gdb_print_host_address (psymtab, gdb_stdout); | |
1068 | printf_filtered (", "); | |
ccefe4c4 TT |
1069 | wrap_here (" "); |
1070 | } | |
1071 | printf_filtered ("\n\n"); | |
1072 | } | |
1073 | } | |
1074 | ||
95cf5869 DE |
1075 | /* Psymtab version of expand_symtabs_for_function. See its definition in |
1076 | the definition of quick_symbol_functions in symfile.h. */ | |
ccefe4c4 TT |
1077 | |
1078 | static void | |
83827540 DE |
1079 | psym_expand_symtabs_for_function (struct objfile *objfile, |
1080 | const char *func_name) | |
ccefe4c4 TT |
1081 | { |
1082 | struct partial_symtab *ps; | |
1083 | ||
b11896a5 | 1084 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1085 | { |
1086 | if (ps->readin) | |
1087 | continue; | |
1088 | ||
5c80ed9d | 1089 | if ((lookup_partial_symbol (objfile, ps, func_name, 1, VAR_DOMAIN) |
ccefe4c4 | 1090 | != NULL) |
5c80ed9d | 1091 | || (lookup_partial_symbol (objfile, ps, func_name, 0, VAR_DOMAIN) |
ccefe4c4 | 1092 | != NULL)) |
5c80ed9d | 1093 | psymtab_to_symtab (objfile, ps); |
ccefe4c4 TT |
1094 | } |
1095 | } | |
1096 | ||
95cf5869 DE |
1097 | /* Psymtab version of expand_all_symtabs. See its definition in |
1098 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1099 | |
ccefe4c4 | 1100 | static void |
83827540 | 1101 | psym_expand_all_symtabs (struct objfile *objfile) |
ccefe4c4 TT |
1102 | { |
1103 | struct partial_symtab *psymtab; | |
1104 | ||
b11896a5 | 1105 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab) |
ccefe4c4 | 1106 | { |
5c80ed9d | 1107 | psymtab_to_symtab (objfile, psymtab); |
ccefe4c4 TT |
1108 | } |
1109 | } | |
1110 | ||
95cf5869 DE |
1111 | /* Psymtab version of expand_symtabs_with_fullname. See its definition in |
1112 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1113 | |
ccefe4c4 | 1114 | static void |
83827540 DE |
1115 | psym_expand_symtabs_with_fullname (struct objfile *objfile, |
1116 | const char *fullname) | |
ccefe4c4 TT |
1117 | { |
1118 | struct partial_symtab *p; | |
1119 | ||
b11896a5 | 1120 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) |
ccefe4c4 | 1121 | { |
b4c41fc7 DE |
1122 | /* Anonymous psymtabs don't have a name of a source file. */ |
1123 | if (p->anonymous) | |
1124 | continue; | |
1125 | ||
5ff888ce DE |
1126 | /* psymtab_to_fullname tries to open the file which is slow. |
1127 | Don't call it if we know the basenames don't match. */ | |
1128 | if ((basenames_may_differ | |
1129 | || filename_cmp (lbasename (fullname), lbasename (p->filename)) == 0) | |
1130 | && filename_cmp (fullname, psymtab_to_fullname (p)) == 0) | |
5c80ed9d | 1131 | psymtab_to_symtab (objfile, p); |
ccefe4c4 TT |
1132 | } |
1133 | } | |
1134 | ||
95cf5869 DE |
1135 | /* Psymtab version of map_symbol_filenames. See its definition in |
1136 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1137 | |
ccefe4c4 | 1138 | static void |
83827540 DE |
1139 | psym_map_symbol_filenames (struct objfile *objfile, |
1140 | symbol_filename_ftype *fun, void *data, | |
1141 | int need_fullname) | |
ccefe4c4 TT |
1142 | { |
1143 | struct partial_symtab *ps; | |
1144 | ||
b11896a5 | 1145 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1146 | { |
1147 | const char *fullname; | |
1148 | ||
1149 | if (ps->readin) | |
1150 | continue; | |
1151 | ||
f80c6f3f DE |
1152 | /* We can skip shared psymtabs here, because any file name will be |
1153 | attached to the unshared psymtab. */ | |
1154 | if (ps->user != NULL) | |
1155 | continue; | |
1156 | ||
b4c41fc7 DE |
1157 | /* Anonymous psymtabs don't have a file name. */ |
1158 | if (ps->anonymous) | |
1159 | continue; | |
1160 | ||
821296b7 | 1161 | QUIT; |
74e2f255 DE |
1162 | if (need_fullname) |
1163 | fullname = psymtab_to_fullname (ps); | |
1164 | else | |
1165 | fullname = NULL; | |
2837d59e | 1166 | (*fun) (ps->filename, fullname, data); |
ccefe4c4 TT |
1167 | } |
1168 | } | |
1169 | ||
ccefe4c4 TT |
1170 | /* Finds the fullname that a partial_symtab represents. |
1171 | ||
1172 | If this functions finds the fullname, it will save it in ps->fullname | |
1173 | and it will also return the value. | |
1174 | ||
1175 | If this function fails to find the file that this partial_symtab represents, | |
1176 | NULL will be returned and ps->fullname will be set to NULL. */ | |
256f06f3 | 1177 | |
da5132d3 | 1178 | static const char * |
ccefe4c4 TT |
1179 | psymtab_to_fullname (struct partial_symtab *ps) |
1180 | { | |
fbd9ab74 | 1181 | gdb_assert (!ps->anonymous); |
ccefe4c4 | 1182 | |
256f06f3 DE |
1183 | /* Use cached copy if we have it. |
1184 | We rely on forget_cached_source_info being called appropriately | |
1185 | to handle cases like the file being moved. */ | |
fbd9ab74 JK |
1186 | if (ps->fullname == NULL) |
1187 | { | |
1188 | int fd = find_and_open_source (ps->filename, ps->dirname, &ps->fullname); | |
256f06f3 | 1189 | |
fbd9ab74 JK |
1190 | if (fd >= 0) |
1191 | close (fd); | |
1192 | else | |
1193 | { | |
0b581c69 | 1194 | gdb::unique_xmalloc_ptr<char> fullname; |
ccefe4c4 | 1195 | |
fbd9ab74 JK |
1196 | /* rewrite_source_path would be applied by find_and_open_source, we |
1197 | should report the pathname where GDB tried to find the file. */ | |
ccefe4c4 | 1198 | |
fbd9ab74 | 1199 | if (ps->dirname == NULL || IS_ABSOLUTE_PATH (ps->filename)) |
0b581c69 | 1200 | fullname.reset (xstrdup (ps->filename)); |
fbd9ab74 | 1201 | else |
0b581c69 TT |
1202 | fullname.reset (concat (ps->dirname, SLASH_STRING, |
1203 | ps->filename, (char *) NULL)); | |
fbd9ab74 | 1204 | |
0b581c69 | 1205 | ps->fullname = rewrite_source_path (fullname.get ()).release (); |
fbd9ab74 | 1206 | if (ps->fullname == NULL) |
0b581c69 | 1207 | ps->fullname = fullname.release (); |
fbd9ab74 | 1208 | } |
95cf5869 | 1209 | } |
fbd9ab74 JK |
1210 | |
1211 | return ps->fullname; | |
ccefe4c4 TT |
1212 | } |
1213 | ||
95cf5869 DE |
1214 | /* For all symbols, s, in BLOCK that are in DOMAIN and match NAME |
1215 | according to the function MATCH, call CALLBACK(BLOCK, s, DATA). | |
1216 | BLOCK is assumed to come from OBJFILE. Returns 1 iff CALLBACK | |
1217 | ever returns non-zero, and otherwise returns 0. */ | |
ccefe4c4 | 1218 | |
40658b94 | 1219 | static int |
fe978cb0 | 1220 | map_block (const char *name, domain_enum domain, struct objfile *objfile, |
40658b94 PH |
1221 | struct block *block, |
1222 | int (*callback) (struct block *, struct symbol *, void *), | |
2edb89d3 | 1223 | void *data, symbol_compare_ftype *match) |
ccefe4c4 | 1224 | { |
8157b174 | 1225 | struct block_iterator iter; |
40658b94 | 1226 | struct symbol *sym; |
ccefe4c4 | 1227 | |
8157b174 TT |
1228 | for (sym = block_iter_match_first (block, name, match, &iter); |
1229 | sym != NULL; sym = block_iter_match_next (name, match, &iter)) | |
ccefe4c4 | 1230 | { |
95cf5869 | 1231 | if (symbol_matches_domain (SYMBOL_LANGUAGE (sym), |
fe978cb0 | 1232 | SYMBOL_DOMAIN (sym), domain)) |
40658b94 PH |
1233 | { |
1234 | if (callback (block, sym, data)) | |
1235 | return 1; | |
1236 | } | |
ccefe4c4 TT |
1237 | } |
1238 | ||
40658b94 | 1239 | return 0; |
ccefe4c4 TT |
1240 | } |
1241 | ||
95cf5869 DE |
1242 | /* Psymtab version of map_matching_symbols. See its definition in |
1243 | the definition of quick_symbol_functions in symfile.h. */ | |
40658b94 | 1244 | |
ccefe4c4 | 1245 | static void |
83827540 | 1246 | psym_map_matching_symbols (struct objfile *objfile, |
fe978cb0 | 1247 | const char *name, domain_enum domain, |
83827540 DE |
1248 | int global, |
1249 | int (*callback) (struct block *, | |
1250 | struct symbol *, void *), | |
1251 | void *data, | |
1252 | symbol_compare_ftype *match, | |
1253 | symbol_compare_ftype *ordered_compare) | |
ccefe4c4 | 1254 | { |
40658b94 | 1255 | const int block_kind = global ? GLOBAL_BLOCK : STATIC_BLOCK; |
ccefe4c4 TT |
1256 | struct partial_symtab *ps; |
1257 | ||
b11896a5 | 1258 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1259 | { |
1260 | QUIT; | |
1261 | if (ps->readin | |
fe978cb0 | 1262 | || match_partial_symbol (objfile, ps, global, name, domain, match, |
40658b94 | 1263 | ordered_compare)) |
ccefe4c4 | 1264 | { |
43f3e411 | 1265 | struct compunit_symtab *cust = psymtab_to_symtab (objfile, ps); |
40658b94 | 1266 | struct block *block; |
ad3bbd48 | 1267 | |
43f3e411 | 1268 | if (cust == NULL) |
ccefe4c4 | 1269 | continue; |
43f3e411 | 1270 | block = BLOCKVECTOR_BLOCK (COMPUNIT_BLOCKVECTOR (cust), block_kind); |
fe978cb0 | 1271 | if (map_block (name, domain, objfile, block, |
40658b94 PH |
1272 | callback, data, match)) |
1273 | return; | |
1274 | if (callback (block, NULL, data)) | |
1275 | return; | |
ccefe4c4 TT |
1276 | } |
1277 | } | |
95cf5869 | 1278 | } |
ccefe4c4 | 1279 | |
14bc53a8 PA |
1280 | /* A helper for psym_expand_symtabs_matching that handles searching |
1281 | included psymtabs. This returns true if a symbol is found, and | |
1282 | false otherwise. It also updates the 'searched_flag' on the | |
9439a077 TT |
1283 | various psymtabs that it searches. */ |
1284 | ||
14bc53a8 PA |
1285 | static bool |
1286 | recursively_search_psymtabs | |
1287 | (struct partial_symtab *ps, struct objfile *objfile, enum search_domain kind, | |
1288 | gdb::function_view<expand_symtabs_symbol_matcher_ftype> sym_matcher) | |
9439a077 TT |
1289 | { |
1290 | struct partial_symbol **psym; | |
1291 | struct partial_symbol **bound, **gbound, **sbound; | |
1292 | int keep_going = 1; | |
f486487f | 1293 | enum psymtab_search_status result = PST_SEARCHED_AND_NOT_FOUND; |
9439a077 TT |
1294 | int i; |
1295 | ||
1296 | if (ps->searched_flag != PST_NOT_SEARCHED) | |
1297 | return ps->searched_flag == PST_SEARCHED_AND_FOUND; | |
1298 | ||
1299 | /* Recurse into shared psymtabs first, because they may have already | |
1300 | been searched, and this could save some time. */ | |
1301 | for (i = 0; i < ps->number_of_dependencies; ++i) | |
1302 | { | |
1303 | int r; | |
1304 | ||
1305 | /* Skip non-shared dependencies, these are handled elsewhere. */ | |
1306 | if (ps->dependencies[i]->user == NULL) | |
1307 | continue; | |
1308 | ||
1309 | r = recursively_search_psymtabs (ps->dependencies[i], | |
14bc53a8 | 1310 | objfile, kind, sym_matcher); |
9439a077 TT |
1311 | if (r != 0) |
1312 | { | |
1313 | ps->searched_flag = PST_SEARCHED_AND_FOUND; | |
14bc53a8 | 1314 | return true; |
9439a077 TT |
1315 | } |
1316 | } | |
1317 | ||
1318 | gbound = (objfile->global_psymbols.list | |
1319 | + ps->globals_offset + ps->n_global_syms); | |
1320 | sbound = (objfile->static_psymbols.list | |
1321 | + ps->statics_offset + ps->n_static_syms); | |
1322 | bound = gbound; | |
1323 | ||
1324 | /* Go through all of the symbols stored in a partial | |
1325 | symtab in one loop. */ | |
1326 | psym = objfile->global_psymbols.list + ps->globals_offset; | |
1327 | while (keep_going) | |
1328 | { | |
1329 | if (psym >= bound) | |
1330 | { | |
1331 | if (bound == gbound && ps->n_static_syms != 0) | |
1332 | { | |
1333 | psym = objfile->static_psymbols.list + ps->statics_offset; | |
1334 | bound = sbound; | |
1335 | } | |
1336 | else | |
1337 | keep_going = 0; | |
1338 | continue; | |
1339 | } | |
1340 | else | |
1341 | { | |
1342 | QUIT; | |
1343 | ||
1344 | if ((kind == ALL_DOMAIN | |
1345 | || (kind == VARIABLES_DOMAIN | |
dbccfd4c TT |
1346 | && PSYMBOL_CLASS (*psym) != LOC_TYPEDEF |
1347 | && PSYMBOL_CLASS (*psym) != LOC_BLOCK) | |
9439a077 | 1348 | || (kind == FUNCTIONS_DOMAIN |
dbccfd4c | 1349 | && PSYMBOL_CLASS (*psym) == LOC_BLOCK) |
9439a077 | 1350 | || (kind == TYPES_DOMAIN |
dbccfd4c | 1351 | && PSYMBOL_CLASS (*psym) == LOC_TYPEDEF)) |
14bc53a8 | 1352 | && sym_matcher (SYMBOL_SEARCH_NAME (*psym))) |
9439a077 TT |
1353 | { |
1354 | /* Found a match, so notify our caller. */ | |
1355 | result = PST_SEARCHED_AND_FOUND; | |
1356 | keep_going = 0; | |
1357 | } | |
1358 | } | |
1359 | psym++; | |
1360 | } | |
1361 | ||
1362 | ps->searched_flag = result; | |
1363 | return result == PST_SEARCHED_AND_FOUND; | |
1364 | } | |
1365 | ||
95cf5869 DE |
1366 | /* Psymtab version of expand_symtabs_matching. See its definition in |
1367 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1368 | |
ccefe4c4 | 1369 | static void |
83827540 | 1370 | psym_expand_symtabs_matching |
f8eba3c6 | 1371 | (struct objfile *objfile, |
14bc53a8 PA |
1372 | gdb::function_view<expand_symtabs_file_matcher_ftype> file_matcher, |
1373 | gdb::function_view<expand_symtabs_symbol_matcher_ftype> symbol_matcher, | |
1374 | gdb::function_view<expand_symtabs_exp_notify_ftype> expansion_notify, | |
1375 | enum search_domain kind) | |
ccefe4c4 TT |
1376 | { |
1377 | struct partial_symtab *ps; | |
1378 | ||
9439a077 | 1379 | /* Clear the search flags. */ |
b11896a5 | 1380 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 | 1381 | { |
9439a077 TT |
1382 | ps->searched_flag = PST_NOT_SEARCHED; |
1383 | } | |
ccefe4c4 | 1384 | |
9439a077 TT |
1385 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
1386 | { | |
30b3dd9d DE |
1387 | QUIT; |
1388 | ||
ccefe4c4 TT |
1389 | if (ps->readin) |
1390 | continue; | |
1391 | ||
9439a077 TT |
1392 | /* We skip shared psymtabs because file-matching doesn't apply |
1393 | to them; but we search them later in the loop. */ | |
1394 | if (ps->user != NULL) | |
ccefe4c4 TT |
1395 | continue; |
1396 | ||
b4c41fc7 DE |
1397 | if (file_matcher) |
1398 | { | |
14bc53a8 | 1399 | bool match; |
680d1742 | 1400 | |
b4c41fc7 DE |
1401 | if (ps->anonymous) |
1402 | continue; | |
fbd9ab74 | 1403 | |
14bc53a8 | 1404 | match = file_matcher (ps->filename, false); |
680d1742 DE |
1405 | if (!match) |
1406 | { | |
1407 | /* Before we invoke realpath, which can get expensive when many | |
1408 | files are involved, do a quick comparison of the basenames. */ | |
1409 | if (basenames_may_differ | |
14bc53a8 PA |
1410 | || file_matcher (lbasename (ps->filename), true)) |
1411 | match = file_matcher (psymtab_to_fullname (ps), false); | |
680d1742 DE |
1412 | } |
1413 | if (!match) | |
b4c41fc7 DE |
1414 | continue; |
1415 | } | |
ccefe4c4 | 1416 | |
14bc53a8 | 1417 | if (recursively_search_psymtabs (ps, objfile, kind, symbol_matcher)) |
276d885b GB |
1418 | { |
1419 | struct compunit_symtab *symtab = | |
1420 | psymtab_to_symtab (objfile, ps); | |
1421 | ||
1422 | if (expansion_notify != NULL) | |
14bc53a8 | 1423 | expansion_notify (symtab); |
276d885b | 1424 | } |
ccefe4c4 TT |
1425 | } |
1426 | } | |
1427 | ||
95cf5869 DE |
1428 | /* Psymtab version of has_symbols. See its definition in |
1429 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1430 | |
ccefe4c4 | 1431 | static int |
83827540 | 1432 | psym_has_symbols (struct objfile *objfile) |
ccefe4c4 TT |
1433 | { |
1434 | return objfile->psymtabs != NULL; | |
1435 | } | |
1436 | ||
1437 | const struct quick_symbol_functions psym_functions = | |
1438 | { | |
83827540 DE |
1439 | psym_has_symbols, |
1440 | psym_find_last_source_symtab, | |
1441 | psym_forget_cached_source_info, | |
1442 | psym_map_symtabs_matching_filename, | |
1443 | psym_lookup_symbol, | |
1444 | psym_print_stats, | |
1445 | psym_dump, | |
1446 | psym_relocate, | |
1447 | psym_expand_symtabs_for_function, | |
1448 | psym_expand_all_symtabs, | |
1449 | psym_expand_symtabs_with_fullname, | |
1450 | psym_map_matching_symbols, | |
1451 | psym_expand_symtabs_matching, | |
1452 | psym_find_pc_sect_compunit_symtab, | |
1453 | psym_map_symbol_filenames | |
ccefe4c4 TT |
1454 | }; |
1455 | ||
1456 | \f | |
1457 | ||
1458 | /* This compares two partial symbols by names, using strcmp_iw_ordered | |
1459 | for the comparison. */ | |
1460 | ||
1461 | static int | |
1462 | compare_psymbols (const void *s1p, const void *s2p) | |
1463 | { | |
19ba03f4 SM |
1464 | struct partial_symbol *const *s1 = (struct partial_symbol * const*) s1p; |
1465 | struct partial_symbol *const *s2 = (struct partial_symbol * const*) s2p; | |
ccefe4c4 TT |
1466 | |
1467 | return strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*s1), | |
1468 | SYMBOL_SEARCH_NAME (*s2)); | |
1469 | } | |
1470 | ||
8763cede | 1471 | static void |
5c80ed9d | 1472 | sort_pst_symbols (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 1473 | { |
0df8b418 | 1474 | /* Sort the global list; don't sort the static list. */ |
ccefe4c4 | 1475 | |
5c80ed9d | 1476 | qsort (objfile->global_psymbols.list + pst->globals_offset, |
ccefe4c4 TT |
1477 | pst->n_global_syms, sizeof (struct partial_symbol *), |
1478 | compare_psymbols); | |
1479 | } | |
1480 | ||
1481 | /* Allocate and partially fill a partial symtab. It will be | |
1482 | completely filled at the end of the symbol list. | |
1483 | ||
0df8b418 | 1484 | FILENAME is the name of the symbol-file we are reading from. */ |
ccefe4c4 TT |
1485 | |
1486 | struct partial_symtab * | |
1487 | start_psymtab_common (struct objfile *objfile, | |
ccefe4c4 TT |
1488 | const char *filename, |
1489 | CORE_ADDR textlow, struct partial_symbol **global_syms, | |
1490 | struct partial_symbol **static_syms) | |
1491 | { | |
1492 | struct partial_symtab *psymtab; | |
1493 | ||
1494 | psymtab = allocate_psymtab (filename, objfile); | |
ccefe4c4 TT |
1495 | psymtab->textlow = textlow; |
1496 | psymtab->texthigh = psymtab->textlow; /* default */ | |
1497 | psymtab->globals_offset = global_syms - objfile->global_psymbols.list; | |
1498 | psymtab->statics_offset = static_syms - objfile->static_psymbols.list; | |
95cf5869 | 1499 | return psymtab; |
ccefe4c4 TT |
1500 | } |
1501 | ||
8763cede DE |
1502 | /* Perform "finishing up" operations of a partial symtab. */ |
1503 | ||
1504 | void | |
1505 | end_psymtab_common (struct objfile *objfile, struct partial_symtab *pst) | |
1506 | { | |
1507 | pst->n_global_syms | |
1508 | = objfile->global_psymbols.next - (objfile->global_psymbols.list | |
1509 | + pst->globals_offset); | |
1510 | pst->n_static_syms | |
1511 | = objfile->static_psymbols.next - (objfile->static_psymbols.list | |
1512 | + pst->statics_offset); | |
1513 | ||
1514 | sort_pst_symbols (objfile, pst); | |
1515 | } | |
1516 | ||
cbd70537 SW |
1517 | /* Calculate a hash code for the given partial symbol. The hash is |
1518 | calculated using the symbol's value, language, domain, class | |
0df8b418 | 1519 | and name. These are the values which are set by |
cbd70537 SW |
1520 | add_psymbol_to_bcache. */ |
1521 | ||
710e1a31 | 1522 | static unsigned long |
cbd70537 SW |
1523 | psymbol_hash (const void *addr, int length) |
1524 | { | |
1525 | unsigned long h = 0; | |
1526 | struct partial_symbol *psymbol = (struct partial_symbol *) addr; | |
1527 | unsigned int lang = psymbol->ginfo.language; | |
1528 | unsigned int domain = PSYMBOL_DOMAIN (psymbol); | |
fe978cb0 | 1529 | unsigned int theclass = PSYMBOL_CLASS (psymbol); |
cbd70537 SW |
1530 | |
1531 | h = hash_continue (&psymbol->ginfo.value, sizeof (psymbol->ginfo.value), h); | |
1532 | h = hash_continue (&lang, sizeof (unsigned int), h); | |
1533 | h = hash_continue (&domain, sizeof (unsigned int), h); | |
fe978cb0 | 1534 | h = hash_continue (&theclass, sizeof (unsigned int), h); |
cbd70537 SW |
1535 | h = hash_continue (psymbol->ginfo.name, strlen (psymbol->ginfo.name), h); |
1536 | ||
1537 | return h; | |
1538 | } | |
1539 | ||
1540 | /* Returns true if the symbol at addr1 equals the symbol at addr2. | |
1541 | For the comparison this function uses a symbols value, | |
1542 | language, domain, class and name. */ | |
1543 | ||
710e1a31 | 1544 | static int |
cbd70537 SW |
1545 | psymbol_compare (const void *addr1, const void *addr2, int length) |
1546 | { | |
1547 | struct partial_symbol *sym1 = (struct partial_symbol *) addr1; | |
1548 | struct partial_symbol *sym2 = (struct partial_symbol *) addr2; | |
1549 | ||
3e611445 | 1550 | return (memcmp (&sym1->ginfo.value, &sym2->ginfo.value, |
cbd70537 SW |
1551 | sizeof (sym1->ginfo.value)) == 0 |
1552 | && sym1->ginfo.language == sym2->ginfo.language | |
1553 | && PSYMBOL_DOMAIN (sym1) == PSYMBOL_DOMAIN (sym2) | |
1554 | && PSYMBOL_CLASS (sym1) == PSYMBOL_CLASS (sym2) | |
1555 | && sym1->ginfo.name == sym2->ginfo.name); | |
1556 | } | |
1557 | ||
710e1a31 SW |
1558 | /* Initialize a partial symbol bcache. */ |
1559 | ||
1560 | struct psymbol_bcache * | |
1561 | psymbol_bcache_init (void) | |
1562 | { | |
fc270c35 | 1563 | struct psymbol_bcache *bcache = XCNEW (struct psymbol_bcache); |
95cf5869 | 1564 | |
710e1a31 SW |
1565 | bcache->bcache = bcache_xmalloc (psymbol_hash, psymbol_compare); |
1566 | return bcache; | |
1567 | } | |
1568 | ||
1569 | /* Free a partial symbol bcache. */ | |
95cf5869 | 1570 | |
710e1a31 SW |
1571 | void |
1572 | psymbol_bcache_free (struct psymbol_bcache *bcache) | |
1573 | { | |
1574 | if (bcache == NULL) | |
1575 | return; | |
1576 | ||
1577 | bcache_xfree (bcache->bcache); | |
1578 | xfree (bcache); | |
1579 | } | |
1580 | ||
0df8b418 | 1581 | /* Return the internal bcache of the psymbol_bcache BCACHE. */ |
710e1a31 SW |
1582 | |
1583 | struct bcache * | |
1584 | psymbol_bcache_get_bcache (struct psymbol_bcache *bcache) | |
1585 | { | |
1586 | return bcache->bcache; | |
1587 | } | |
1588 | ||
1589 | /* Find a copy of the SYM in BCACHE. If BCACHE has never seen this | |
1590 | symbol before, add a copy to BCACHE. In either case, return a pointer | |
1591 | to BCACHE's copy of the symbol. If optional ADDED is not NULL, return | |
1592 | 1 in case of new entry or 0 if returning an old entry. */ | |
1593 | ||
1594 | static const struct partial_symbol * | |
1595 | psymbol_bcache_full (struct partial_symbol *sym, | |
1596 | struct psymbol_bcache *bcache, | |
1597 | int *added) | |
1598 | { | |
19ba03f4 SM |
1599 | return ((const struct partial_symbol *) |
1600 | bcache_full (sym, sizeof (struct partial_symbol), bcache->bcache, | |
1601 | added)); | |
710e1a31 SW |
1602 | } |
1603 | ||
95cf5869 | 1604 | /* Helper function, initialises partial symbol structure and stashes |
ccefe4c4 TT |
1605 | it into objfile's bcache. Note that our caching mechanism will |
1606 | use all fields of struct partial_symbol to determine hash value of the | |
1607 | structure. In other words, having two symbols with the same name but | |
1608 | different domain (or address) is possible and correct. */ | |
1609 | ||
1610 | static const struct partial_symbol * | |
72b9f47f | 1611 | add_psymbol_to_bcache (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1612 | domain_enum domain, |
fe978cb0 | 1613 | enum address_class theclass, |
1762568f | 1614 | CORE_ADDR coreaddr, |
ccefe4c4 TT |
1615 | enum language language, struct objfile *objfile, |
1616 | int *added) | |
1617 | { | |
cbd70537 SW |
1618 | struct partial_symbol psymbol; |
1619 | ||
f85f34ed TT |
1620 | /* We must ensure that the entire struct has been zeroed before |
1621 | assigning to it, because an assignment may not touch some of the | |
1622 | holes. */ | |
1623 | memset (&psymbol, 0, sizeof (psymbol)); | |
fc956729 | 1624 | |
1762568f | 1625 | SYMBOL_VALUE_ADDRESS (&psymbol) = coreaddr; |
e27d198c | 1626 | SYMBOL_SECTION (&psymbol) = -1; |
f85f34ed | 1627 | SYMBOL_SET_LANGUAGE (&psymbol, language, &objfile->objfile_obstack); |
ccefe4c4 | 1628 | PSYMBOL_DOMAIN (&psymbol) = domain; |
fe978cb0 | 1629 | PSYMBOL_CLASS (&psymbol) = theclass; |
ccefe4c4 TT |
1630 | |
1631 | SYMBOL_SET_NAMES (&psymbol, name, namelength, copy_name, objfile); | |
1632 | ||
0df8b418 | 1633 | /* Stash the partial symbol away in the cache. */ |
95cf5869 | 1634 | return psymbol_bcache_full (&psymbol, objfile->psymbol_cache, added); |
ccefe4c4 TT |
1635 | } |
1636 | ||
923c6a3d | 1637 | /* Increase the space allocated for LISTP, which is probably |
0df8b418 | 1638 | global_psymbols or static_psymbols. This space will eventually |
923c6a3d TT |
1639 | be freed in free_objfile(). */ |
1640 | ||
1641 | static void | |
1642 | extend_psymbol_list (struct psymbol_allocation_list *listp, | |
1643 | struct objfile *objfile) | |
1644 | { | |
1645 | int new_size; | |
1646 | ||
1647 | if (listp->size == 0) | |
1648 | { | |
1649 | new_size = 255; | |
8d749320 | 1650 | listp->list = XNEWVEC (struct partial_symbol *, new_size); |
923c6a3d TT |
1651 | } |
1652 | else | |
1653 | { | |
1654 | new_size = listp->size * 2; | |
1655 | listp->list = (struct partial_symbol **) | |
1656 | xrealloc ((char *) listp->list, | |
1657 | new_size * sizeof (struct partial_symbol *)); | |
1658 | } | |
1659 | /* Next assumes we only went one over. Should be good if | |
0df8b418 | 1660 | program works correctly. */ |
923c6a3d TT |
1661 | listp->next = listp->list + listp->size; |
1662 | listp->size = new_size; | |
1663 | } | |
1664 | ||
95cf5869 | 1665 | /* Helper function, adds partial symbol to the given partial symbol list. */ |
ccefe4c4 TT |
1666 | |
1667 | static void | |
1668 | append_psymbol_to_list (struct psymbol_allocation_list *list, | |
1669 | const struct partial_symbol *psym, | |
1670 | struct objfile *objfile) | |
1671 | { | |
1672 | if (list->next >= list->list + list->size) | |
1673 | extend_psymbol_list (list, objfile); | |
1674 | *list->next++ = (struct partial_symbol *) psym; | |
1675 | OBJSTAT (objfile, n_psyms++); | |
1676 | } | |
1677 | ||
1678 | /* Add a symbol with a long value to a psymtab. | |
1679 | Since one arg is a struct, we pass in a ptr and deref it (sigh). | |
1762568f DE |
1680 | The only value we need to store for psyms is an address. |
1681 | For all other psyms pass zero for COREADDR. | |
ccefe4c4 TT |
1682 | Return the partial symbol that has been added. */ |
1683 | ||
7dc25483 | 1684 | void |
72b9f47f | 1685 | add_psymbol_to_list (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1686 | domain_enum domain, |
fe978cb0 | 1687 | enum address_class theclass, |
95cf5869 | 1688 | struct psymbol_allocation_list *list, |
1762568f | 1689 | CORE_ADDR coreaddr, |
ccefe4c4 TT |
1690 | enum language language, struct objfile *objfile) |
1691 | { | |
1692 | const struct partial_symbol *psym; | |
1693 | ||
1694 | int added; | |
1695 | ||
0df8b418 | 1696 | /* Stash the partial symbol away in the cache. */ |
fe978cb0 | 1697 | psym = add_psymbol_to_bcache (name, namelength, copy_name, domain, theclass, |
1762568f | 1698 | coreaddr, language, objfile, &added); |
ccefe4c4 TT |
1699 | |
1700 | /* Do not duplicate global partial symbols. */ | |
1701 | if (list == &objfile->global_psymbols | |
1702 | && !added) | |
7dc25483 | 1703 | return; |
ccefe4c4 | 1704 | |
0df8b418 | 1705 | /* Save pointer to partial symbol in psymtab, growing symtab if needed. */ |
ccefe4c4 | 1706 | append_psymbol_to_list (list, psym, objfile); |
ccefe4c4 TT |
1707 | } |
1708 | ||
1709 | /* Initialize storage for partial symbols. */ | |
1710 | ||
1711 | void | |
1712 | init_psymbol_list (struct objfile *objfile, int total_symbols) | |
1713 | { | |
1714 | /* Free any previously allocated psymbol lists. */ | |
1715 | ||
1716 | if (objfile->global_psymbols.list) | |
95cf5869 | 1717 | xfree (objfile->global_psymbols.list); |
ccefe4c4 | 1718 | if (objfile->static_psymbols.list) |
95cf5869 | 1719 | xfree (objfile->static_psymbols.list); |
ccefe4c4 TT |
1720 | |
1721 | /* Current best guess is that approximately a twentieth | |
1722 | of the total symbols (in a debugging file) are global or static | |
ca9c6ee2 | 1723 | oriented symbols, then multiply that by slop factor of two. */ |
ccefe4c4 TT |
1724 | |
1725 | objfile->global_psymbols.size = total_symbols / 10; | |
1726 | objfile->static_psymbols.size = total_symbols / 10; | |
1727 | ||
1728 | if (objfile->global_psymbols.size > 0) | |
1729 | { | |
1730 | objfile->global_psymbols.next = | |
8d749320 SM |
1731 | objfile->global_psymbols.list = |
1732 | XNEWVEC (struct partial_symbol *, objfile->global_psymbols.size); | |
ccefe4c4 TT |
1733 | } |
1734 | if (objfile->static_psymbols.size > 0) | |
1735 | { | |
1736 | objfile->static_psymbols.next = | |
8d749320 SM |
1737 | objfile->static_psymbols.list = |
1738 | XNEWVEC (struct partial_symbol *, objfile->static_psymbols.size); | |
ccefe4c4 TT |
1739 | } |
1740 | } | |
1741 | ||
1742 | struct partial_symtab * | |
1743 | allocate_psymtab (const char *filename, struct objfile *objfile) | |
1744 | { | |
1745 | struct partial_symtab *psymtab; | |
1746 | ||
1747 | if (objfile->free_psymtabs) | |
1748 | { | |
1749 | psymtab = objfile->free_psymtabs; | |
1750 | objfile->free_psymtabs = psymtab->next; | |
1751 | } | |
1752 | else | |
1753 | psymtab = (struct partial_symtab *) | |
1754 | obstack_alloc (&objfile->objfile_obstack, | |
1755 | sizeof (struct partial_symtab)); | |
1756 | ||
1757 | memset (psymtab, 0, sizeof (struct partial_symtab)); | |
19ba03f4 SM |
1758 | psymtab->filename |
1759 | = (const char *) bcache (filename, strlen (filename) + 1, | |
1760 | objfile->per_bfd->filename_cache); | |
43f3e411 | 1761 | psymtab->compunit_symtab = NULL; |
ccefe4c4 TT |
1762 | |
1763 | /* Prepend it to the psymtab list for the objfile it belongs to. | |
1764 | Psymtabs are searched in most recent inserted -> least recent | |
0df8b418 | 1765 | inserted order. */ |
ccefe4c4 | 1766 | |
ccefe4c4 TT |
1767 | psymtab->next = objfile->psymtabs; |
1768 | objfile->psymtabs = psymtab; | |
ccefe4c4 | 1769 | |
45cfd468 DE |
1770 | if (symtab_create_debug) |
1771 | { | |
1772 | /* Be a bit clever with debugging messages, and don't print objfile | |
1773 | every time, only when it changes. */ | |
1774 | static char *last_objfile_name = NULL; | |
1775 | ||
1776 | if (last_objfile_name == NULL | |
4262abfb | 1777 | || strcmp (last_objfile_name, objfile_name (objfile)) != 0) |
45cfd468 DE |
1778 | { |
1779 | xfree (last_objfile_name); | |
4262abfb | 1780 | last_objfile_name = xstrdup (objfile_name (objfile)); |
45cfd468 DE |
1781 | fprintf_unfiltered (gdb_stdlog, |
1782 | "Creating one or more psymtabs for objfile %s ...\n", | |
1783 | last_objfile_name); | |
1784 | } | |
1785 | fprintf_unfiltered (gdb_stdlog, | |
fd55216c DE |
1786 | "Created psymtab %s for module %s.\n", |
1787 | host_address_to_string (psymtab), filename); | |
45cfd468 DE |
1788 | } |
1789 | ||
95cf5869 | 1790 | return psymtab; |
ccefe4c4 TT |
1791 | } |
1792 | ||
1793 | void | |
5c80ed9d | 1794 | discard_psymtab (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 TT |
1795 | { |
1796 | struct partial_symtab **prev_pst; | |
1797 | ||
1798 | /* From dbxread.c: | |
1799 | Empty psymtabs happen as a result of header files which don't | |
1800 | have any symbols in them. There can be a lot of them. But this | |
1801 | check is wrong, in that a psymtab with N_SLINE entries but | |
1802 | nothing else is not empty, but we don't realize that. Fixing | |
1803 | that without slowing things down might be tricky. */ | |
1804 | ||
0df8b418 | 1805 | /* First, snip it out of the psymtab chain. */ |
ccefe4c4 | 1806 | |
5c80ed9d | 1807 | prev_pst = &(objfile->psymtabs); |
ccefe4c4 TT |
1808 | while ((*prev_pst) != pst) |
1809 | prev_pst = &((*prev_pst)->next); | |
1810 | (*prev_pst) = pst->next; | |
1811 | ||
0df8b418 | 1812 | /* Next, put it on a free list for recycling. */ |
ccefe4c4 | 1813 | |
5c80ed9d TT |
1814 | pst->next = objfile->free_psymtabs; |
1815 | objfile->free_psymtabs = pst; | |
ccefe4c4 TT |
1816 | } |
1817 | ||
ccefe4c4 TT |
1818 | \f |
1819 | ||
372405a5 DE |
1820 | /* We need to pass a couple of items to the addrmap_foreach function, |
1821 | so use a struct. */ | |
1822 | ||
1823 | struct dump_psymtab_addrmap_data | |
1824 | { | |
1825 | struct objfile *objfile; | |
1826 | struct partial_symtab *psymtab; | |
1827 | struct ui_file *outfile; | |
1828 | ||
1829 | /* Non-zero if the previously printed addrmap entry was for PSYMTAB. | |
1830 | If so, we want to print the next one as well (since the next addrmap | |
1831 | entry defines the end of the range). */ | |
1832 | int previous_matched; | |
1833 | }; | |
1834 | ||
1835 | /* Helper function for dump_psymtab_addrmap to print an addrmap entry. */ | |
1836 | ||
1837 | static int | |
1838 | dump_psymtab_addrmap_1 (void *datap, CORE_ADDR start_addr, void *obj) | |
1839 | { | |
709b5518 PA |
1840 | struct dump_psymtab_addrmap_data *data |
1841 | = (struct dump_psymtab_addrmap_data *) datap; | |
372405a5 | 1842 | struct gdbarch *gdbarch = get_objfile_arch (data->objfile); |
709b5518 | 1843 | struct partial_symtab *addrmap_psymtab = (struct partial_symtab *) obj; |
372405a5 DE |
1844 | const char *psymtab_address_or_end = NULL; |
1845 | ||
1846 | QUIT; | |
1847 | ||
1848 | if (data->psymtab == NULL | |
1849 | || data->psymtab == addrmap_psymtab) | |
1850 | psymtab_address_or_end = host_address_to_string (addrmap_psymtab); | |
1851 | else if (data->previous_matched) | |
1852 | psymtab_address_or_end = "<ends here>"; | |
1853 | ||
1854 | if (data->psymtab == NULL | |
1855 | || data->psymtab == addrmap_psymtab | |
1856 | || data->previous_matched) | |
1857 | { | |
1858 | fprintf_filtered (data->outfile, " %s%s %s\n", | |
1859 | data->psymtab != NULL ? " " : "", | |
1860 | paddress (gdbarch, start_addr), | |
1861 | psymtab_address_or_end); | |
1862 | } | |
1863 | ||
1864 | data->previous_matched = (data->psymtab == NULL | |
1865 | || data->psymtab == addrmap_psymtab); | |
1866 | ||
1867 | return 0; | |
1868 | } | |
1869 | ||
1870 | /* Helper function for maintenance_print_psymbols to print the addrmap | |
1871 | of PSYMTAB. If PSYMTAB is NULL print the entire addrmap. */ | |
1872 | ||
1873 | static void | |
1874 | dump_psymtab_addrmap (struct objfile *objfile, struct partial_symtab *psymtab, | |
1875 | struct ui_file *outfile) | |
1876 | { | |
1877 | struct dump_psymtab_addrmap_data addrmap_dump_data; | |
1878 | ||
34c41c68 DE |
1879 | if ((psymtab == NULL |
1880 | || psymtab->psymtabs_addrmap_supported) | |
1881 | && objfile->psymtabs_addrmap != NULL) | |
372405a5 DE |
1882 | { |
1883 | addrmap_dump_data.objfile = objfile; | |
1884 | addrmap_dump_data.psymtab = psymtab; | |
1885 | addrmap_dump_data.outfile = outfile; | |
1886 | addrmap_dump_data.previous_matched = 0; | |
1887 | fprintf_filtered (outfile, "%sddress map:\n", | |
1888 | psymtab == NULL ? "Entire a" : " A"); | |
1889 | addrmap_foreach (objfile->psymtabs_addrmap, dump_psymtab_addrmap_1, | |
1890 | &addrmap_dump_data); | |
1891 | } | |
1892 | } | |
1893 | ||
dfc7bb5b | 1894 | static void |
ccefe4c4 TT |
1895 | maintenance_print_psymbols (char *args, int from_tty) |
1896 | { | |
34c41c68 | 1897 | struct ui_file *outfile = gdb_stdout; |
34c41c68 | 1898 | char *address_arg = NULL, *source_arg = NULL, *objfile_arg = NULL; |
ccefe4c4 TT |
1899 | struct objfile *objfile; |
1900 | struct partial_symtab *ps; | |
34c41c68 DE |
1901 | int i, outfile_idx, found; |
1902 | CORE_ADDR pc = 0; | |
1903 | struct obj_section *section = NULL; | |
ccefe4c4 TT |
1904 | |
1905 | dont_repeat (); | |
1906 | ||
773a1edc | 1907 | gdb_argv argv (args); |
ccefe4c4 | 1908 | |
99e8a4f9 | 1909 | for (i = 0; argv != NULL && argv[i] != NULL; ++i) |
ccefe4c4 | 1910 | { |
34c41c68 DE |
1911 | if (strcmp (argv[i], "-pc") == 0) |
1912 | { | |
1913 | if (argv[i + 1] == NULL) | |
1914 | error (_("Missing pc value")); | |
1915 | address_arg = argv[++i]; | |
1916 | } | |
1917 | else if (strcmp (argv[i], "-source") == 0) | |
1918 | { | |
1919 | if (argv[i + 1] == NULL) | |
1920 | error (_("Missing source file")); | |
1921 | source_arg = argv[++i]; | |
1922 | } | |
1923 | else if (strcmp (argv[i], "-objfile") == 0) | |
1924 | { | |
1925 | if (argv[i + 1] == NULL) | |
1926 | error (_("Missing objfile name")); | |
1927 | objfile_arg = argv[++i]; | |
1928 | } | |
1929 | else if (strcmp (argv[i], "--") == 0) | |
1930 | { | |
1931 | /* End of options. */ | |
1932 | ++i; | |
1933 | break; | |
1934 | } | |
1935 | else if (argv[i][0] == '-') | |
ccefe4c4 | 1936 | { |
34c41c68 DE |
1937 | /* Future proofing: Don't allow OUTFILE to begin with "-". */ |
1938 | error (_("Unknown option: %s"), argv[i]); | |
ccefe4c4 | 1939 | } |
34c41c68 DE |
1940 | else |
1941 | break; | |
ccefe4c4 | 1942 | } |
34c41c68 | 1943 | outfile_idx = i; |
ccefe4c4 | 1944 | |
34c41c68 DE |
1945 | if (address_arg != NULL && source_arg != NULL) |
1946 | error (_("Must specify at most one of -pc and -source")); | |
ccefe4c4 | 1947 | |
d7e74731 PA |
1948 | stdio_file arg_outfile; |
1949 | ||
99e8a4f9 | 1950 | if (argv != NULL && argv[outfile_idx] != NULL) |
34c41c68 | 1951 | { |
34c41c68 DE |
1952 | if (argv[outfile_idx + 1] != NULL) |
1953 | error (_("Junk at end of command")); | |
ee0c3293 TT |
1954 | gdb::unique_xmalloc_ptr<char> outfile_name |
1955 | (tilde_expand (argv[outfile_idx])); | |
1956 | if (!arg_outfile.open (outfile_name.get (), FOPEN_WT)) | |
1957 | perror_with_name (outfile_name.get ()); | |
d7e74731 | 1958 | outfile = &arg_outfile; |
34c41c68 | 1959 | } |
ccefe4c4 | 1960 | |
34c41c68 DE |
1961 | if (address_arg != NULL) |
1962 | { | |
1963 | pc = parse_and_eval_address (address_arg); | |
1964 | /* If we fail to find a section, that's ok, try the lookup anyway. */ | |
1965 | section = find_pc_section (pc); | |
1966 | } | |
372405a5 | 1967 | |
34c41c68 DE |
1968 | found = 0; |
1969 | ALL_OBJFILES (objfile) | |
27618ce4 | 1970 | { |
34c41c68 DE |
1971 | int printed_objfile_header = 0; |
1972 | int print_for_objfile = 1; | |
1973 | ||
27618ce4 | 1974 | QUIT; |
34c41c68 DE |
1975 | if (objfile_arg != NULL) |
1976 | print_for_objfile | |
1977 | = compare_filenames_for_search (objfile_name (objfile), | |
1978 | objfile_arg); | |
1979 | if (!print_for_objfile) | |
1980 | continue; | |
1981 | ||
1982 | if (address_arg != NULL) | |
1983 | { | |
1984 | struct bound_minimal_symbol msymbol = { NULL, NULL }; | |
1985 | ||
1986 | /* We don't assume each pc has a unique objfile (this is for | |
1987 | debugging). */ | |
1988 | ps = find_pc_sect_psymtab (objfile, pc, section, msymbol); | |
1989 | if (ps != NULL) | |
1990 | { | |
1991 | if (!printed_objfile_header) | |
1992 | { | |
d7e74731 PA |
1993 | outfile->printf ("\nPartial symtabs for objfile %s\n", |
1994 | objfile_name (objfile)); | |
34c41c68 DE |
1995 | printed_objfile_header = 1; |
1996 | } | |
1997 | dump_psymtab (objfile, ps, outfile); | |
1998 | dump_psymtab_addrmap (objfile, ps, outfile); | |
1999 | found = 1; | |
2000 | } | |
2001 | } | |
2002 | else | |
2003 | { | |
2004 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) | |
2005 | { | |
2006 | int print_for_source = 0; | |
2007 | ||
2008 | QUIT; | |
2009 | if (source_arg != NULL) | |
2010 | { | |
2011 | print_for_source | |
2012 | = compare_filenames_for_search (ps->filename, source_arg); | |
2013 | found = 1; | |
2014 | } | |
2015 | if (source_arg == NULL | |
2016 | || print_for_source) | |
2017 | { | |
2018 | if (!printed_objfile_header) | |
2019 | { | |
d7e74731 PA |
2020 | outfile->printf ("\nPartial symtabs for objfile %s\n", |
2021 | objfile_name (objfile)); | |
34c41c68 DE |
2022 | printed_objfile_header = 1; |
2023 | } | |
2024 | dump_psymtab (objfile, ps, outfile); | |
2025 | dump_psymtab_addrmap (objfile, ps, outfile); | |
2026 | } | |
2027 | } | |
2028 | } | |
2029 | ||
2030 | /* If we're printing all the objfile's symbols dump the full addrmap. */ | |
2031 | ||
2032 | if (address_arg == NULL | |
2033 | && source_arg == NULL | |
2034 | && objfile->psymtabs_addrmap != NULL) | |
372405a5 | 2035 | { |
d7e74731 | 2036 | outfile->puts ("\n"); |
34c41c68 | 2037 | dump_psymtab_addrmap (objfile, NULL, outfile); |
372405a5 | 2038 | } |
27618ce4 | 2039 | } |
372405a5 | 2040 | |
34c41c68 DE |
2041 | if (!found) |
2042 | { | |
2043 | if (address_arg != NULL) | |
2044 | error (_("No partial symtab for address: %s"), address_arg); | |
2045 | if (source_arg != NULL) | |
2046 | error (_("No partial symtab for source file: %s"), source_arg); | |
2047 | } | |
ccefe4c4 TT |
2048 | } |
2049 | ||
2050 | /* List all the partial symbol tables whose names match REGEXP (optional). */ | |
95cf5869 | 2051 | |
dfc7bb5b | 2052 | static void |
ccefe4c4 TT |
2053 | maintenance_info_psymtabs (char *regexp, int from_tty) |
2054 | { | |
2055 | struct program_space *pspace; | |
2056 | struct objfile *objfile; | |
2057 | ||
2058 | if (regexp) | |
2059 | re_comp (regexp); | |
2060 | ||
2061 | ALL_PSPACES (pspace) | |
2062 | ALL_PSPACE_OBJFILES (pspace, objfile) | |
2063 | { | |
2064 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
2065 | struct partial_symtab *psymtab; | |
2066 | ||
2067 | /* We don't want to print anything for this objfile until we | |
2068 | actually find a symtab whose name matches. */ | |
2069 | int printed_objfile_start = 0; | |
2070 | ||
b11896a5 | 2071 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab) |
ccefe4c4 TT |
2072 | { |
2073 | QUIT; | |
2074 | ||
2075 | if (! regexp | |
2076 | || re_exec (psymtab->filename)) | |
2077 | { | |
2078 | if (! printed_objfile_start) | |
2079 | { | |
4262abfb | 2080 | printf_filtered ("{ objfile %s ", objfile_name (objfile)); |
ccefe4c4 | 2081 | wrap_here (" "); |
95cf5869 | 2082 | printf_filtered ("((struct objfile *) %s)\n", |
ccefe4c4 TT |
2083 | host_address_to_string (objfile)); |
2084 | printed_objfile_start = 1; | |
2085 | } | |
2086 | ||
2087 | printf_filtered (" { psymtab %s ", psymtab->filename); | |
2088 | wrap_here (" "); | |
95cf5869 | 2089 | printf_filtered ("((struct partial_symtab *) %s)\n", |
ccefe4c4 TT |
2090 | host_address_to_string (psymtab)); |
2091 | ||
2092 | printf_filtered (" readin %s\n", | |
2093 | psymtab->readin ? "yes" : "no"); | |
2094 | printf_filtered (" fullname %s\n", | |
3e43a32a MS |
2095 | psymtab->fullname |
2096 | ? psymtab->fullname : "(null)"); | |
ccefe4c4 TT |
2097 | printf_filtered (" text addresses "); |
2098 | fputs_filtered (paddress (gdbarch, psymtab->textlow), | |
2099 | gdb_stdout); | |
2100 | printf_filtered (" -- "); | |
2101 | fputs_filtered (paddress (gdbarch, psymtab->texthigh), | |
2102 | gdb_stdout); | |
2103 | printf_filtered ("\n"); | |
9750bca9 JK |
2104 | printf_filtered (" psymtabs_addrmap_supported %s\n", |
2105 | (psymtab->psymtabs_addrmap_supported | |
2106 | ? "yes" : "no")); | |
ccefe4c4 TT |
2107 | printf_filtered (" globals "); |
2108 | if (psymtab->n_global_syms) | |
2109 | { | |
2110 | printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", | |
5c80ed9d | 2111 | host_address_to_string (objfile->global_psymbols.list |
ccefe4c4 TT |
2112 | + psymtab->globals_offset), |
2113 | psymtab->n_global_syms); | |
2114 | } | |
2115 | else | |
2116 | printf_filtered ("(none)\n"); | |
2117 | printf_filtered (" statics "); | |
2118 | if (psymtab->n_static_syms) | |
2119 | { | |
2120 | printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", | |
5c80ed9d | 2121 | host_address_to_string (objfile->static_psymbols.list |
ccefe4c4 TT |
2122 | + psymtab->statics_offset), |
2123 | psymtab->n_static_syms); | |
2124 | } | |
2125 | else | |
2126 | printf_filtered ("(none)\n"); | |
2127 | printf_filtered (" dependencies "); | |
2128 | if (psymtab->number_of_dependencies) | |
2129 | { | |
2130 | int i; | |
2131 | ||
2132 | printf_filtered ("{\n"); | |
2133 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
2134 | { | |
2135 | struct partial_symtab *dep = psymtab->dependencies[i]; | |
2136 | ||
2137 | /* Note the string concatenation there --- no comma. */ | |
2138 | printf_filtered (" psymtab %s " | |
2139 | "((struct partial_symtab *) %s)\n", | |
95cf5869 | 2140 | dep->filename, |
ccefe4c4 TT |
2141 | host_address_to_string (dep)); |
2142 | } | |
2143 | printf_filtered (" }\n"); | |
2144 | } | |
2145 | else | |
2146 | printf_filtered ("(none)\n"); | |
2147 | printf_filtered (" }\n"); | |
2148 | } | |
2149 | } | |
2150 | ||
2151 | if (printed_objfile_start) | |
2152 | printf_filtered ("}\n"); | |
2153 | } | |
2154 | } | |
2155 | ||
7d0c9981 | 2156 | /* Check consistency of currently expanded psymtabs vs symtabs. */ |
ccefe4c4 | 2157 | |
dfc7bb5b | 2158 | static void |
7d0c9981 | 2159 | maintenance_check_psymtabs (char *ignore, int from_tty) |
ccefe4c4 TT |
2160 | { |
2161 | struct symbol *sym; | |
2162 | struct partial_symbol **psym; | |
43f3e411 | 2163 | struct compunit_symtab *cust = NULL; |
ccefe4c4 | 2164 | struct partial_symtab *ps; |
346d1dfe | 2165 | const struct blockvector *bv; |
ccefe4c4 TT |
2166 | struct objfile *objfile; |
2167 | struct block *b; | |
2168 | int length; | |
2169 | ||
2170 | ALL_PSYMTABS (objfile, ps) | |
2171 | { | |
2172 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
ad3bbd48 | 2173 | |
7d0c9981 DE |
2174 | /* We don't call psymtab_to_symtab here because that may cause symtab |
2175 | expansion. When debugging a problem it helps if checkers leave | |
2176 | things unchanged. */ | |
43f3e411 | 2177 | cust = ps->compunit_symtab; |
7d0c9981 DE |
2178 | |
2179 | /* First do some checks that don't require the associated symtab. */ | |
2180 | if (ps->texthigh < ps->textlow) | |
2181 | { | |
2182 | printf_filtered ("Psymtab "); | |
2183 | puts_filtered (ps->filename); | |
2184 | printf_filtered (" covers bad range "); | |
2185 | fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout); | |
2186 | printf_filtered (" - "); | |
2187 | fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout); | |
2188 | printf_filtered ("\n"); | |
2189 | continue; | |
2190 | } | |
2191 | ||
2192 | /* Now do checks requiring the associated symtab. */ | |
43f3e411 | 2193 | if (cust == NULL) |
ccefe4c4 | 2194 | continue; |
43f3e411 | 2195 | bv = COMPUNIT_BLOCKVECTOR (cust); |
ccefe4c4 | 2196 | b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); |
5c80ed9d | 2197 | psym = objfile->static_psymbols.list + ps->statics_offset; |
ccefe4c4 TT |
2198 | length = ps->n_static_syms; |
2199 | while (length--) | |
2200 | { | |
16b2eaa1 | 2201 | sym = block_lookup_symbol (b, SYMBOL_LINKAGE_NAME (*psym), |
ccefe4c4 TT |
2202 | SYMBOL_DOMAIN (*psym)); |
2203 | if (!sym) | |
2204 | { | |
2205 | printf_filtered ("Static symbol `"); | |
2206 | puts_filtered (SYMBOL_LINKAGE_NAME (*psym)); | |
2207 | printf_filtered ("' only found in "); | |
2208 | puts_filtered (ps->filename); | |
2209 | printf_filtered (" psymtab\n"); | |
2210 | } | |
2211 | psym++; | |
2212 | } | |
2213 | b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
5c80ed9d | 2214 | psym = objfile->global_psymbols.list + ps->globals_offset; |
ccefe4c4 TT |
2215 | length = ps->n_global_syms; |
2216 | while (length--) | |
2217 | { | |
16b2eaa1 | 2218 | sym = block_lookup_symbol (b, SYMBOL_LINKAGE_NAME (*psym), |
ccefe4c4 TT |
2219 | SYMBOL_DOMAIN (*psym)); |
2220 | if (!sym) | |
2221 | { | |
2222 | printf_filtered ("Global symbol `"); | |
2223 | puts_filtered (SYMBOL_LINKAGE_NAME (*psym)); | |
2224 | printf_filtered ("' only found in "); | |
2225 | puts_filtered (ps->filename); | |
2226 | printf_filtered (" psymtab\n"); | |
2227 | } | |
2228 | psym++; | |
2229 | } | |
7d0c9981 DE |
2230 | if (ps->texthigh != 0 |
2231 | && (ps->textlow < BLOCK_START (b) || ps->texthigh > BLOCK_END (b))) | |
ccefe4c4 TT |
2232 | { |
2233 | printf_filtered ("Psymtab "); | |
2234 | puts_filtered (ps->filename); | |
2235 | printf_filtered (" covers "); | |
2236 | fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout); | |
2237 | printf_filtered (" - "); | |
2238 | fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout); | |
2239 | printf_filtered (" but symtab covers only "); | |
2240 | fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout); | |
2241 | printf_filtered (" - "); | |
2242 | fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout); | |
2243 | printf_filtered ("\n"); | |
2244 | } | |
2245 | } | |
2246 | } | |
2247 | ||
2248 | \f | |
2249 | ||
dfc7bb5b YQ |
2250 | extern initialize_file_ftype _initialize_psymtab; |
2251 | ||
2252 | void | |
2253 | _initialize_psymtab (void) | |
2254 | { | |
2255 | add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols, _("\ | |
2256 | Print dump of current partial symbol definitions.\n\ | |
34c41c68 DE |
2257 | Usage: mt print psymbols [-objfile objfile] [-pc address] [--] [outfile]\n\ |
2258 | mt print psymbols [-objfile objfile] [-source source] [--] [outfile]\n\ | |
2259 | Entries in the partial symbol table are dumped to file OUTFILE,\n\ | |
2260 | or the terminal if OUTFILE is unspecified.\n\ | |
2261 | If ADDRESS is provided, dump only the file for that address.\n\ | |
2262 | If SOURCE is provided, dump only that file's symbols.\n\ | |
2263 | If OBJFILE is provided, dump only that file's minimal symbols."), | |
dfc7bb5b YQ |
2264 | &maintenanceprintlist); |
2265 | ||
2266 | add_cmd ("psymtabs", class_maintenance, maintenance_info_psymtabs, _("\ | |
2267 | List the partial symbol tables for all object files.\n\ | |
2268 | This does not include information about individual partial symbols,\n\ | |
2269 | just the symbol table structures themselves."), | |
2270 | &maintenanceinfolist); | |
2271 | ||
7d0c9981 DE |
2272 | add_cmd ("check-psymtabs", class_maintenance, maintenance_check_psymtabs, |
2273 | _("\ | |
2274 | Check consistency of currently expanded psymtabs versus symtabs."), | |
dfc7bb5b YQ |
2275 | &maintenancelist); |
2276 | } |