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 | ||
630 | static char * | |
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 DE |
641 | if (ret) |
642 | return ret; | |
643 | } | |
c00f8484 KS |
644 | } |
645 | break; | |
646 | ||
647 | default: | |
648 | break; | |
649 | } | |
650 | ||
651 | return xstrdup (name); | |
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; | |
c00f8484 KS |
666 | char *search_name; |
667 | struct cleanup *cleanup; | |
ccefe4c4 TT |
668 | |
669 | if (length == 0) | |
95cf5869 | 670 | return NULL; |
c00f8484 KS |
671 | |
672 | search_name = psymtab_search_name (name); | |
673 | cleanup = make_cleanup (xfree, search_name); | |
ccefe4c4 | 674 | start = (global ? |
5c80ed9d TT |
675 | objfile->global_psymbols.list + pst->globals_offset : |
676 | objfile->static_psymbols.list + pst->statics_offset); | |
ccefe4c4 | 677 | |
0df8b418 | 678 | if (global) /* This means we can use a binary search. */ |
ccefe4c4 TT |
679 | { |
680 | do_linear_search = 0; | |
681 | ||
682 | /* Binary search. This search is guaranteed to end with center | |
683 | pointing at the earliest partial symbol whose name might be | |
684 | correct. At that point *all* partial symbols with an | |
685 | appropriate name will be checked against the correct | |
686 | domain. */ | |
687 | ||
688 | bottom = start; | |
689 | top = start + length - 1; | |
690 | real_top = top; | |
691 | while (top > bottom) | |
692 | { | |
693 | center = bottom + (top - bottom) / 2; | |
694 | if (!(center < top)) | |
3e43a32a MS |
695 | internal_error (__FILE__, __LINE__, |
696 | _("failed internal consistency check")); | |
c00f8484 KS |
697 | if (strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*center), |
698 | search_name) >= 0) | |
ccefe4c4 TT |
699 | { |
700 | top = center; | |
701 | } | |
702 | else | |
703 | { | |
704 | bottom = center + 1; | |
705 | } | |
706 | } | |
707 | if (!(top == bottom)) | |
3e43a32a MS |
708 | internal_error (__FILE__, __LINE__, |
709 | _("failed internal consistency check")); | |
ccefe4c4 | 710 | |
559a7a62 JK |
711 | /* For `case_sensitivity == case_sensitive_off' strcmp_iw_ordered will |
712 | search more exactly than what matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
713 | while (top >= start && SYMBOL_MATCHES_SEARCH_NAME (*top, search_name)) | |
714 | top--; | |
715 | ||
716 | /* Fixup to have a symbol which matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
717 | top++; | |
718 | ||
719 | while (top <= real_top && SYMBOL_MATCHES_SEARCH_NAME (*top, search_name)) | |
ccefe4c4 | 720 | { |
4186eb54 KS |
721 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*top), |
722 | SYMBOL_DOMAIN (*top), domain)) | |
c00f8484 KS |
723 | { |
724 | do_cleanups (cleanup); | |
95cf5869 | 725 | return *top; |
c00f8484 | 726 | } |
ccefe4c4 TT |
727 | top++; |
728 | } | |
729 | } | |
730 | ||
731 | /* Can't use a binary search or else we found during the binary search that | |
40658b94 | 732 | we should also do a linear search. */ |
ccefe4c4 TT |
733 | |
734 | if (do_linear_search) | |
735 | { | |
736 | for (psym = start; psym < start + length; psym++) | |
737 | { | |
4186eb54 KS |
738 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym), |
739 | SYMBOL_DOMAIN (*psym), domain) | |
c00f8484 KS |
740 | && SYMBOL_MATCHES_SEARCH_NAME (*psym, search_name)) |
741 | { | |
742 | do_cleanups (cleanup); | |
95cf5869 | 743 | return *psym; |
c00f8484 | 744 | } |
ccefe4c4 TT |
745 | } |
746 | } | |
747 | ||
c00f8484 | 748 | do_cleanups (cleanup); |
95cf5869 | 749 | return NULL; |
ccefe4c4 TT |
750 | } |
751 | ||
752 | /* Get the symbol table that corresponds to a partial_symtab. | |
f194fefb DE |
753 | This is fast after the first time you do it. |
754 | The result will be NULL if the primary symtab has no symbols, | |
755 | which can happen. Otherwise the result is the primary symtab | |
756 | that contains PST. */ | |
ccefe4c4 | 757 | |
43f3e411 | 758 | static struct compunit_symtab * |
5c80ed9d | 759 | psymtab_to_symtab (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 760 | { |
9439a077 TT |
761 | /* If it is a shared psymtab, find an unshared psymtab that includes |
762 | it. Any such psymtab will do. */ | |
763 | while (pst->user != NULL) | |
764 | pst = pst->user; | |
765 | ||
0df8b418 | 766 | /* If it's been looked up before, return it. */ |
43f3e411 DE |
767 | if (pst->compunit_symtab) |
768 | return pst->compunit_symtab; | |
ccefe4c4 TT |
769 | |
770 | /* If it has not yet been read in, read it. */ | |
771 | if (!pst->readin) | |
772 | { | |
c83dd867 | 773 | scoped_restore decrementer = increment_reading_symtab (); |
ad3bbd48 | 774 | |
257e7a09 | 775 | (*pst->read_symtab) (pst, objfile); |
ccefe4c4 TT |
776 | } |
777 | ||
43f3e411 | 778 | return pst->compunit_symtab; |
ccefe4c4 TT |
779 | } |
780 | ||
95cf5869 DE |
781 | /* Psymtab version of relocate. See its definition in |
782 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 783 | |
ccefe4c4 | 784 | static void |
83827540 DE |
785 | psym_relocate (struct objfile *objfile, |
786 | const struct section_offsets *new_offsets, | |
787 | const struct section_offsets *delta) | |
ccefe4c4 TT |
788 | { |
789 | struct partial_symbol **psym; | |
790 | struct partial_symtab *p; | |
791 | ||
b11896a5 | 792 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) |
ccefe4c4 TT |
793 | { |
794 | p->textlow += ANOFFSET (delta, SECT_OFF_TEXT (objfile)); | |
795 | p->texthigh += ANOFFSET (delta, SECT_OFF_TEXT (objfile)); | |
796 | } | |
797 | ||
798 | for (psym = objfile->global_psymbols.list; | |
799 | psym < objfile->global_psymbols.next; | |
800 | psym++) | |
801 | { | |
802 | fixup_psymbol_section (*psym, objfile); | |
803 | if (SYMBOL_SECTION (*psym) >= 0) | |
804 | SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta, | |
805 | SYMBOL_SECTION (*psym)); | |
806 | } | |
807 | for (psym = objfile->static_psymbols.list; | |
808 | psym < objfile->static_psymbols.next; | |
809 | psym++) | |
810 | { | |
811 | fixup_psymbol_section (*psym, objfile); | |
812 | if (SYMBOL_SECTION (*psym) >= 0) | |
813 | SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta, | |
814 | SYMBOL_SECTION (*psym)); | |
815 | } | |
816 | } | |
817 | ||
95cf5869 DE |
818 | /* Psymtab version of find_last_source_symtab. See its definition in |
819 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 820 | |
ccefe4c4 | 821 | static struct symtab * |
83827540 | 822 | psym_find_last_source_symtab (struct objfile *ofp) |
ccefe4c4 | 823 | { |
ccefe4c4 | 824 | struct partial_symtab *ps; |
95cf5869 | 825 | struct partial_symtab *cs_pst = NULL; |
ccefe4c4 | 826 | |
b11896a5 | 827 | ALL_OBJFILE_PSYMTABS_REQUIRED (ofp, ps) |
ccefe4c4 TT |
828 | { |
829 | const char *name = ps->filename; | |
830 | int len = strlen (name); | |
ad3bbd48 | 831 | |
ccefe4c4 TT |
832 | if (!(len > 2 && (strcmp (&name[len - 2], ".h") == 0 |
833 | || strcmp (name, "<<C++-namespaces>>") == 0))) | |
834 | cs_pst = ps; | |
835 | } | |
836 | ||
837 | if (cs_pst) | |
838 | { | |
839 | if (cs_pst->readin) | |
840 | { | |
841 | internal_error (__FILE__, __LINE__, | |
842 | _("select_source_symtab: " | |
843 | "readin pst found and no symtabs.")); | |
844 | } | |
845 | else | |
43f3e411 DE |
846 | { |
847 | struct compunit_symtab *cust = psymtab_to_symtab (ofp, cs_pst); | |
848 | ||
849 | if (cust == NULL) | |
850 | return NULL; | |
851 | return compunit_primary_filetab (cust); | |
852 | } | |
ccefe4c4 TT |
853 | } |
854 | return NULL; | |
855 | } | |
856 | ||
95cf5869 DE |
857 | /* Psymtab version of forget_cached_source_info. See its definition in |
858 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 859 | |
ccefe4c4 | 860 | static void |
83827540 | 861 | psym_forget_cached_source_info (struct objfile *objfile) |
ccefe4c4 TT |
862 | { |
863 | struct partial_symtab *pst; | |
864 | ||
b11896a5 | 865 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
ccefe4c4 TT |
866 | { |
867 | if (pst->fullname != NULL) | |
868 | { | |
869 | xfree (pst->fullname); | |
870 | pst->fullname = NULL; | |
871 | } | |
872 | } | |
873 | } | |
874 | ||
875 | static void | |
876 | print_partial_symbols (struct gdbarch *gdbarch, | |
a121b7c1 | 877 | struct partial_symbol **p, int count, const char *what, |
ccefe4c4 TT |
878 | struct ui_file *outfile) |
879 | { | |
880 | fprintf_filtered (outfile, " %s partial symbols:\n", what); | |
881 | while (count-- > 0) | |
882 | { | |
27618ce4 | 883 | QUIT; |
ccefe4c4 TT |
884 | fprintf_filtered (outfile, " `%s'", SYMBOL_LINKAGE_NAME (*p)); |
885 | if (SYMBOL_DEMANGLED_NAME (*p) != NULL) | |
886 | { | |
887 | fprintf_filtered (outfile, " `%s'", SYMBOL_DEMANGLED_NAME (*p)); | |
888 | } | |
889 | fputs_filtered (", ", outfile); | |
890 | switch (SYMBOL_DOMAIN (*p)) | |
891 | { | |
892 | case UNDEF_DOMAIN: | |
893 | fputs_filtered ("undefined domain, ", outfile); | |
894 | break; | |
895 | case VAR_DOMAIN: | |
0df8b418 | 896 | /* This is the usual thing -- don't print it. */ |
ccefe4c4 TT |
897 | break; |
898 | case STRUCT_DOMAIN: | |
899 | fputs_filtered ("struct domain, ", outfile); | |
900 | break; | |
901 | case LABEL_DOMAIN: | |
902 | fputs_filtered ("label domain, ", outfile); | |
903 | break; | |
904 | default: | |
905 | fputs_filtered ("<invalid domain>, ", outfile); | |
906 | break; | |
907 | } | |
dbccfd4c | 908 | switch (PSYMBOL_CLASS (*p)) |
ccefe4c4 TT |
909 | { |
910 | case LOC_UNDEF: | |
911 | fputs_filtered ("undefined", outfile); | |
912 | break; | |
913 | case LOC_CONST: | |
914 | fputs_filtered ("constant int", outfile); | |
915 | break; | |
916 | case LOC_STATIC: | |
917 | fputs_filtered ("static", outfile); | |
918 | break; | |
919 | case LOC_REGISTER: | |
920 | fputs_filtered ("register", outfile); | |
921 | break; | |
922 | case LOC_ARG: | |
923 | fputs_filtered ("pass by value", outfile); | |
924 | break; | |
925 | case LOC_REF_ARG: | |
926 | fputs_filtered ("pass by reference", outfile); | |
927 | break; | |
928 | case LOC_REGPARM_ADDR: | |
929 | fputs_filtered ("register address parameter", outfile); | |
930 | break; | |
931 | case LOC_LOCAL: | |
932 | fputs_filtered ("stack parameter", outfile); | |
933 | break; | |
934 | case LOC_TYPEDEF: | |
935 | fputs_filtered ("type", outfile); | |
936 | break; | |
937 | case LOC_LABEL: | |
938 | fputs_filtered ("label", outfile); | |
939 | break; | |
940 | case LOC_BLOCK: | |
941 | fputs_filtered ("function", outfile); | |
942 | break; | |
943 | case LOC_CONST_BYTES: | |
944 | fputs_filtered ("constant bytes", outfile); | |
945 | break; | |
946 | case LOC_UNRESOLVED: | |
947 | fputs_filtered ("unresolved", outfile); | |
948 | break; | |
949 | case LOC_OPTIMIZED_OUT: | |
950 | fputs_filtered ("optimized out", outfile); | |
951 | break; | |
952 | case LOC_COMPUTED: | |
953 | fputs_filtered ("computed at runtime", outfile); | |
954 | break; | |
955 | default: | |
956 | fputs_filtered ("<invalid location>", outfile); | |
957 | break; | |
958 | } | |
959 | fputs_filtered (", ", outfile); | |
960 | fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (*p)), outfile); | |
961 | fprintf_filtered (outfile, "\n"); | |
962 | p++; | |
963 | } | |
964 | } | |
965 | ||
966 | static void | |
967 | dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab, | |
968 | struct ui_file *outfile) | |
969 | { | |
970 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
971 | int i; | |
972 | ||
b4c41fc7 DE |
973 | if (psymtab->anonymous) |
974 | { | |
975 | fprintf_filtered (outfile, "\nAnonymous partial symtab (%s) ", | |
976 | psymtab->filename); | |
977 | } | |
978 | else | |
979 | { | |
980 | fprintf_filtered (outfile, "\nPartial symtab for source file %s ", | |
981 | psymtab->filename); | |
982 | } | |
ccefe4c4 TT |
983 | fprintf_filtered (outfile, "(object "); |
984 | gdb_print_host_address (psymtab, outfile); | |
985 | fprintf_filtered (outfile, ")\n\n"); | |
986 | fprintf_unfiltered (outfile, " Read from object file %s (", | |
4262abfb | 987 | objfile_name (objfile)); |
ccefe4c4 TT |
988 | gdb_print_host_address (objfile, outfile); |
989 | fprintf_unfiltered (outfile, ")\n"); | |
990 | ||
991 | if (psymtab->readin) | |
992 | { | |
993 | fprintf_filtered (outfile, | |
994 | " Full symtab was read (at "); | |
43f3e411 | 995 | gdb_print_host_address (psymtab->compunit_symtab, outfile); |
ccefe4c4 TT |
996 | fprintf_filtered (outfile, " by function at "); |
997 | gdb_print_host_address (psymtab->read_symtab, outfile); | |
998 | fprintf_filtered (outfile, ")\n"); | |
999 | } | |
1000 | ||
ccefe4c4 TT |
1001 | fprintf_filtered (outfile, " Symbols cover text addresses "); |
1002 | fputs_filtered (paddress (gdbarch, psymtab->textlow), outfile); | |
1003 | fprintf_filtered (outfile, "-"); | |
1004 | fputs_filtered (paddress (gdbarch, psymtab->texthigh), outfile); | |
1005 | fprintf_filtered (outfile, "\n"); | |
9750bca9 JK |
1006 | fprintf_filtered (outfile, " Address map supported - %s.\n", |
1007 | psymtab->psymtabs_addrmap_supported ? "yes" : "no"); | |
ccefe4c4 TT |
1008 | fprintf_filtered (outfile, " Depends on %d other partial symtabs.\n", |
1009 | psymtab->number_of_dependencies); | |
1010 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
1011 | { | |
1012 | fprintf_filtered (outfile, " %d ", i); | |
1013 | gdb_print_host_address (psymtab->dependencies[i], outfile); | |
1014 | fprintf_filtered (outfile, " %s\n", | |
1015 | psymtab->dependencies[i]->filename); | |
1016 | } | |
9439a077 TT |
1017 | if (psymtab->user != NULL) |
1018 | { | |
1019 | fprintf_filtered (outfile, " Shared partial symtab with user "); | |
1020 | gdb_print_host_address (psymtab->user, outfile); | |
1021 | fprintf_filtered (outfile, "\n"); | |
1022 | } | |
ccefe4c4 TT |
1023 | if (psymtab->n_global_syms > 0) |
1024 | { | |
1025 | print_partial_symbols (gdbarch, | |
1026 | objfile->global_psymbols.list | |
1027 | + psymtab->globals_offset, | |
1028 | psymtab->n_global_syms, "Global", outfile); | |
1029 | } | |
1030 | if (psymtab->n_static_syms > 0) | |
1031 | { | |
1032 | print_partial_symbols (gdbarch, | |
1033 | objfile->static_psymbols.list | |
1034 | + psymtab->statics_offset, | |
1035 | psymtab->n_static_syms, "Static", outfile); | |
1036 | } | |
1037 | fprintf_filtered (outfile, "\n"); | |
1038 | } | |
1039 | ||
95cf5869 DE |
1040 | /* Psymtab version of print_stats. See its definition in |
1041 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1042 | |
ccefe4c4 | 1043 | static void |
83827540 | 1044 | psym_print_stats (struct objfile *objfile) |
ccefe4c4 TT |
1045 | { |
1046 | int i; | |
1047 | struct partial_symtab *ps; | |
ad3bbd48 | 1048 | |
ccefe4c4 | 1049 | i = 0; |
b11896a5 | 1050 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1051 | { |
1052 | if (ps->readin == 0) | |
1053 | i++; | |
1054 | } | |
1055 | printf_filtered (_(" Number of psym tables (not yet expanded): %d\n"), i); | |
1056 | } | |
1057 | ||
95cf5869 DE |
1058 | /* Psymtab version of dump. See its definition in |
1059 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1060 | |
ccefe4c4 | 1061 | static void |
83827540 | 1062 | psym_dump (struct objfile *objfile) |
ccefe4c4 TT |
1063 | { |
1064 | struct partial_symtab *psymtab; | |
1065 | ||
1066 | if (objfile->psymtabs) | |
1067 | { | |
1068 | printf_filtered ("Psymtabs:\n"); | |
1069 | for (psymtab = objfile->psymtabs; | |
1070 | psymtab != NULL; | |
1071 | psymtab = psymtab->next) | |
1072 | { | |
1073 | printf_filtered ("%s at ", | |
1074 | psymtab->filename); | |
1075 | gdb_print_host_address (psymtab, gdb_stdout); | |
1076 | printf_filtered (", "); | |
ccefe4c4 TT |
1077 | wrap_here (" "); |
1078 | } | |
1079 | printf_filtered ("\n\n"); | |
1080 | } | |
1081 | } | |
1082 | ||
95cf5869 DE |
1083 | /* Psymtab version of expand_symtabs_for_function. See its definition in |
1084 | the definition of quick_symbol_functions in symfile.h. */ | |
ccefe4c4 TT |
1085 | |
1086 | static void | |
83827540 DE |
1087 | psym_expand_symtabs_for_function (struct objfile *objfile, |
1088 | const char *func_name) | |
ccefe4c4 TT |
1089 | { |
1090 | struct partial_symtab *ps; | |
1091 | ||
b11896a5 | 1092 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1093 | { |
1094 | if (ps->readin) | |
1095 | continue; | |
1096 | ||
5c80ed9d | 1097 | if ((lookup_partial_symbol (objfile, ps, func_name, 1, VAR_DOMAIN) |
ccefe4c4 | 1098 | != NULL) |
5c80ed9d | 1099 | || (lookup_partial_symbol (objfile, ps, func_name, 0, VAR_DOMAIN) |
ccefe4c4 | 1100 | != NULL)) |
5c80ed9d | 1101 | psymtab_to_symtab (objfile, ps); |
ccefe4c4 TT |
1102 | } |
1103 | } | |
1104 | ||
95cf5869 DE |
1105 | /* Psymtab version of expand_all_symtabs. See its definition in |
1106 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1107 | |
ccefe4c4 | 1108 | static void |
83827540 | 1109 | psym_expand_all_symtabs (struct objfile *objfile) |
ccefe4c4 TT |
1110 | { |
1111 | struct partial_symtab *psymtab; | |
1112 | ||
b11896a5 | 1113 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab) |
ccefe4c4 | 1114 | { |
5c80ed9d | 1115 | psymtab_to_symtab (objfile, psymtab); |
ccefe4c4 TT |
1116 | } |
1117 | } | |
1118 | ||
95cf5869 DE |
1119 | /* Psymtab version of expand_symtabs_with_fullname. See its definition in |
1120 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1121 | |
ccefe4c4 | 1122 | static void |
83827540 DE |
1123 | psym_expand_symtabs_with_fullname (struct objfile *objfile, |
1124 | const char *fullname) | |
ccefe4c4 TT |
1125 | { |
1126 | struct partial_symtab *p; | |
1127 | ||
b11896a5 | 1128 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) |
ccefe4c4 | 1129 | { |
b4c41fc7 DE |
1130 | /* Anonymous psymtabs don't have a name of a source file. */ |
1131 | if (p->anonymous) | |
1132 | continue; | |
1133 | ||
5ff888ce DE |
1134 | /* psymtab_to_fullname tries to open the file which is slow. |
1135 | Don't call it if we know the basenames don't match. */ | |
1136 | if ((basenames_may_differ | |
1137 | || filename_cmp (lbasename (fullname), lbasename (p->filename)) == 0) | |
1138 | && filename_cmp (fullname, psymtab_to_fullname (p)) == 0) | |
5c80ed9d | 1139 | psymtab_to_symtab (objfile, p); |
ccefe4c4 TT |
1140 | } |
1141 | } | |
1142 | ||
95cf5869 DE |
1143 | /* Psymtab version of map_symbol_filenames. See its definition in |
1144 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1145 | |
ccefe4c4 | 1146 | static void |
83827540 DE |
1147 | psym_map_symbol_filenames (struct objfile *objfile, |
1148 | symbol_filename_ftype *fun, void *data, | |
1149 | int need_fullname) | |
ccefe4c4 TT |
1150 | { |
1151 | struct partial_symtab *ps; | |
1152 | ||
b11896a5 | 1153 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1154 | { |
1155 | const char *fullname; | |
1156 | ||
1157 | if (ps->readin) | |
1158 | continue; | |
1159 | ||
f80c6f3f DE |
1160 | /* We can skip shared psymtabs here, because any file name will be |
1161 | attached to the unshared psymtab. */ | |
1162 | if (ps->user != NULL) | |
1163 | continue; | |
1164 | ||
b4c41fc7 DE |
1165 | /* Anonymous psymtabs don't have a file name. */ |
1166 | if (ps->anonymous) | |
1167 | continue; | |
1168 | ||
821296b7 | 1169 | QUIT; |
74e2f255 DE |
1170 | if (need_fullname) |
1171 | fullname = psymtab_to_fullname (ps); | |
1172 | else | |
1173 | fullname = NULL; | |
2837d59e | 1174 | (*fun) (ps->filename, fullname, data); |
ccefe4c4 TT |
1175 | } |
1176 | } | |
1177 | ||
ccefe4c4 TT |
1178 | /* Finds the fullname that a partial_symtab represents. |
1179 | ||
1180 | If this functions finds the fullname, it will save it in ps->fullname | |
1181 | and it will also return the value. | |
1182 | ||
1183 | If this function fails to find the file that this partial_symtab represents, | |
1184 | NULL will be returned and ps->fullname will be set to NULL. */ | |
256f06f3 | 1185 | |
da5132d3 | 1186 | static const char * |
ccefe4c4 TT |
1187 | psymtab_to_fullname (struct partial_symtab *ps) |
1188 | { | |
fbd9ab74 | 1189 | gdb_assert (!ps->anonymous); |
ccefe4c4 | 1190 | |
256f06f3 DE |
1191 | /* Use cached copy if we have it. |
1192 | We rely on forget_cached_source_info being called appropriately | |
1193 | to handle cases like the file being moved. */ | |
fbd9ab74 JK |
1194 | if (ps->fullname == NULL) |
1195 | { | |
1196 | int fd = find_and_open_source (ps->filename, ps->dirname, &ps->fullname); | |
256f06f3 | 1197 | |
fbd9ab74 JK |
1198 | if (fd >= 0) |
1199 | close (fd); | |
1200 | else | |
1201 | { | |
0b581c69 | 1202 | gdb::unique_xmalloc_ptr<char> fullname; |
ccefe4c4 | 1203 | |
fbd9ab74 JK |
1204 | /* rewrite_source_path would be applied by find_and_open_source, we |
1205 | should report the pathname where GDB tried to find the file. */ | |
ccefe4c4 | 1206 | |
fbd9ab74 | 1207 | if (ps->dirname == NULL || IS_ABSOLUTE_PATH (ps->filename)) |
0b581c69 | 1208 | fullname.reset (xstrdup (ps->filename)); |
fbd9ab74 | 1209 | else |
0b581c69 TT |
1210 | fullname.reset (concat (ps->dirname, SLASH_STRING, |
1211 | ps->filename, (char *) NULL)); | |
fbd9ab74 | 1212 | |
0b581c69 | 1213 | ps->fullname = rewrite_source_path (fullname.get ()).release (); |
fbd9ab74 | 1214 | if (ps->fullname == NULL) |
0b581c69 | 1215 | ps->fullname = fullname.release (); |
fbd9ab74 | 1216 | } |
95cf5869 | 1217 | } |
fbd9ab74 JK |
1218 | |
1219 | return ps->fullname; | |
ccefe4c4 TT |
1220 | } |
1221 | ||
95cf5869 DE |
1222 | /* For all symbols, s, in BLOCK that are in DOMAIN and match NAME |
1223 | according to the function MATCH, call CALLBACK(BLOCK, s, DATA). | |
1224 | BLOCK is assumed to come from OBJFILE. Returns 1 iff CALLBACK | |
1225 | ever returns non-zero, and otherwise returns 0. */ | |
ccefe4c4 | 1226 | |
40658b94 | 1227 | static int |
fe978cb0 | 1228 | map_block (const char *name, domain_enum domain, struct objfile *objfile, |
40658b94 PH |
1229 | struct block *block, |
1230 | int (*callback) (struct block *, struct symbol *, void *), | |
2edb89d3 | 1231 | void *data, symbol_compare_ftype *match) |
ccefe4c4 | 1232 | { |
8157b174 | 1233 | struct block_iterator iter; |
40658b94 | 1234 | struct symbol *sym; |
ccefe4c4 | 1235 | |
8157b174 TT |
1236 | for (sym = block_iter_match_first (block, name, match, &iter); |
1237 | sym != NULL; sym = block_iter_match_next (name, match, &iter)) | |
ccefe4c4 | 1238 | { |
95cf5869 | 1239 | if (symbol_matches_domain (SYMBOL_LANGUAGE (sym), |
fe978cb0 | 1240 | SYMBOL_DOMAIN (sym), domain)) |
40658b94 PH |
1241 | { |
1242 | if (callback (block, sym, data)) | |
1243 | return 1; | |
1244 | } | |
ccefe4c4 TT |
1245 | } |
1246 | ||
40658b94 | 1247 | return 0; |
ccefe4c4 TT |
1248 | } |
1249 | ||
95cf5869 DE |
1250 | /* Psymtab version of map_matching_symbols. See its definition in |
1251 | the definition of quick_symbol_functions in symfile.h. */ | |
40658b94 | 1252 | |
ccefe4c4 | 1253 | static void |
83827540 | 1254 | psym_map_matching_symbols (struct objfile *objfile, |
fe978cb0 | 1255 | const char *name, domain_enum domain, |
83827540 DE |
1256 | int global, |
1257 | int (*callback) (struct block *, | |
1258 | struct symbol *, void *), | |
1259 | void *data, | |
1260 | symbol_compare_ftype *match, | |
1261 | symbol_compare_ftype *ordered_compare) | |
ccefe4c4 | 1262 | { |
40658b94 | 1263 | const int block_kind = global ? GLOBAL_BLOCK : STATIC_BLOCK; |
ccefe4c4 TT |
1264 | struct partial_symtab *ps; |
1265 | ||
b11896a5 | 1266 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1267 | { |
1268 | QUIT; | |
1269 | if (ps->readin | |
fe978cb0 | 1270 | || match_partial_symbol (objfile, ps, global, name, domain, match, |
40658b94 | 1271 | ordered_compare)) |
ccefe4c4 | 1272 | { |
43f3e411 | 1273 | struct compunit_symtab *cust = psymtab_to_symtab (objfile, ps); |
40658b94 | 1274 | struct block *block; |
ad3bbd48 | 1275 | |
43f3e411 | 1276 | if (cust == NULL) |
ccefe4c4 | 1277 | continue; |
43f3e411 | 1278 | block = BLOCKVECTOR_BLOCK (COMPUNIT_BLOCKVECTOR (cust), block_kind); |
fe978cb0 | 1279 | if (map_block (name, domain, objfile, block, |
40658b94 PH |
1280 | callback, data, match)) |
1281 | return; | |
1282 | if (callback (block, NULL, data)) | |
1283 | return; | |
ccefe4c4 TT |
1284 | } |
1285 | } | |
95cf5869 | 1286 | } |
ccefe4c4 | 1287 | |
14bc53a8 PA |
1288 | /* A helper for psym_expand_symtabs_matching that handles searching |
1289 | included psymtabs. This returns true if a symbol is found, and | |
1290 | false otherwise. It also updates the 'searched_flag' on the | |
9439a077 TT |
1291 | various psymtabs that it searches. */ |
1292 | ||
14bc53a8 PA |
1293 | static bool |
1294 | recursively_search_psymtabs | |
1295 | (struct partial_symtab *ps, struct objfile *objfile, enum search_domain kind, | |
1296 | gdb::function_view<expand_symtabs_symbol_matcher_ftype> sym_matcher) | |
9439a077 TT |
1297 | { |
1298 | struct partial_symbol **psym; | |
1299 | struct partial_symbol **bound, **gbound, **sbound; | |
1300 | int keep_going = 1; | |
f486487f | 1301 | enum psymtab_search_status result = PST_SEARCHED_AND_NOT_FOUND; |
9439a077 TT |
1302 | int i; |
1303 | ||
1304 | if (ps->searched_flag != PST_NOT_SEARCHED) | |
1305 | return ps->searched_flag == PST_SEARCHED_AND_FOUND; | |
1306 | ||
1307 | /* Recurse into shared psymtabs first, because they may have already | |
1308 | been searched, and this could save some time. */ | |
1309 | for (i = 0; i < ps->number_of_dependencies; ++i) | |
1310 | { | |
1311 | int r; | |
1312 | ||
1313 | /* Skip non-shared dependencies, these are handled elsewhere. */ | |
1314 | if (ps->dependencies[i]->user == NULL) | |
1315 | continue; | |
1316 | ||
1317 | r = recursively_search_psymtabs (ps->dependencies[i], | |
14bc53a8 | 1318 | objfile, kind, sym_matcher); |
9439a077 TT |
1319 | if (r != 0) |
1320 | { | |
1321 | ps->searched_flag = PST_SEARCHED_AND_FOUND; | |
14bc53a8 | 1322 | return true; |
9439a077 TT |
1323 | } |
1324 | } | |
1325 | ||
1326 | gbound = (objfile->global_psymbols.list | |
1327 | + ps->globals_offset + ps->n_global_syms); | |
1328 | sbound = (objfile->static_psymbols.list | |
1329 | + ps->statics_offset + ps->n_static_syms); | |
1330 | bound = gbound; | |
1331 | ||
1332 | /* Go through all of the symbols stored in a partial | |
1333 | symtab in one loop. */ | |
1334 | psym = objfile->global_psymbols.list + ps->globals_offset; | |
1335 | while (keep_going) | |
1336 | { | |
1337 | if (psym >= bound) | |
1338 | { | |
1339 | if (bound == gbound && ps->n_static_syms != 0) | |
1340 | { | |
1341 | psym = objfile->static_psymbols.list + ps->statics_offset; | |
1342 | bound = sbound; | |
1343 | } | |
1344 | else | |
1345 | keep_going = 0; | |
1346 | continue; | |
1347 | } | |
1348 | else | |
1349 | { | |
1350 | QUIT; | |
1351 | ||
1352 | if ((kind == ALL_DOMAIN | |
1353 | || (kind == VARIABLES_DOMAIN | |
dbccfd4c TT |
1354 | && PSYMBOL_CLASS (*psym) != LOC_TYPEDEF |
1355 | && PSYMBOL_CLASS (*psym) != LOC_BLOCK) | |
9439a077 | 1356 | || (kind == FUNCTIONS_DOMAIN |
dbccfd4c | 1357 | && PSYMBOL_CLASS (*psym) == LOC_BLOCK) |
9439a077 | 1358 | || (kind == TYPES_DOMAIN |
dbccfd4c | 1359 | && PSYMBOL_CLASS (*psym) == LOC_TYPEDEF)) |
14bc53a8 | 1360 | && sym_matcher (SYMBOL_SEARCH_NAME (*psym))) |
9439a077 TT |
1361 | { |
1362 | /* Found a match, so notify our caller. */ | |
1363 | result = PST_SEARCHED_AND_FOUND; | |
1364 | keep_going = 0; | |
1365 | } | |
1366 | } | |
1367 | psym++; | |
1368 | } | |
1369 | ||
1370 | ps->searched_flag = result; | |
1371 | return result == PST_SEARCHED_AND_FOUND; | |
1372 | } | |
1373 | ||
95cf5869 DE |
1374 | /* Psymtab version of expand_symtabs_matching. See its definition in |
1375 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1376 | |
ccefe4c4 | 1377 | static void |
83827540 | 1378 | psym_expand_symtabs_matching |
f8eba3c6 | 1379 | (struct objfile *objfile, |
14bc53a8 PA |
1380 | gdb::function_view<expand_symtabs_file_matcher_ftype> file_matcher, |
1381 | gdb::function_view<expand_symtabs_symbol_matcher_ftype> symbol_matcher, | |
1382 | gdb::function_view<expand_symtabs_exp_notify_ftype> expansion_notify, | |
1383 | enum search_domain kind) | |
ccefe4c4 TT |
1384 | { |
1385 | struct partial_symtab *ps; | |
1386 | ||
9439a077 | 1387 | /* Clear the search flags. */ |
b11896a5 | 1388 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 | 1389 | { |
9439a077 TT |
1390 | ps->searched_flag = PST_NOT_SEARCHED; |
1391 | } | |
ccefe4c4 | 1392 | |
9439a077 TT |
1393 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
1394 | { | |
30b3dd9d DE |
1395 | QUIT; |
1396 | ||
ccefe4c4 TT |
1397 | if (ps->readin) |
1398 | continue; | |
1399 | ||
9439a077 TT |
1400 | /* We skip shared psymtabs because file-matching doesn't apply |
1401 | to them; but we search them later in the loop. */ | |
1402 | if (ps->user != NULL) | |
ccefe4c4 TT |
1403 | continue; |
1404 | ||
b4c41fc7 DE |
1405 | if (file_matcher) |
1406 | { | |
14bc53a8 | 1407 | bool match; |
680d1742 | 1408 | |
b4c41fc7 DE |
1409 | if (ps->anonymous) |
1410 | continue; | |
fbd9ab74 | 1411 | |
14bc53a8 | 1412 | match = file_matcher (ps->filename, false); |
680d1742 DE |
1413 | if (!match) |
1414 | { | |
1415 | /* Before we invoke realpath, which can get expensive when many | |
1416 | files are involved, do a quick comparison of the basenames. */ | |
1417 | if (basenames_may_differ | |
14bc53a8 PA |
1418 | || file_matcher (lbasename (ps->filename), true)) |
1419 | match = file_matcher (psymtab_to_fullname (ps), false); | |
680d1742 DE |
1420 | } |
1421 | if (!match) | |
b4c41fc7 DE |
1422 | continue; |
1423 | } | |
ccefe4c4 | 1424 | |
14bc53a8 | 1425 | if (recursively_search_psymtabs (ps, objfile, kind, symbol_matcher)) |
276d885b GB |
1426 | { |
1427 | struct compunit_symtab *symtab = | |
1428 | psymtab_to_symtab (objfile, ps); | |
1429 | ||
1430 | if (expansion_notify != NULL) | |
14bc53a8 | 1431 | expansion_notify (symtab); |
276d885b | 1432 | } |
ccefe4c4 TT |
1433 | } |
1434 | } | |
1435 | ||
95cf5869 DE |
1436 | /* Psymtab version of has_symbols. See its definition in |
1437 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1438 | |
ccefe4c4 | 1439 | static int |
83827540 | 1440 | psym_has_symbols (struct objfile *objfile) |
ccefe4c4 TT |
1441 | { |
1442 | return objfile->psymtabs != NULL; | |
1443 | } | |
1444 | ||
1445 | const struct quick_symbol_functions psym_functions = | |
1446 | { | |
83827540 DE |
1447 | psym_has_symbols, |
1448 | psym_find_last_source_symtab, | |
1449 | psym_forget_cached_source_info, | |
1450 | psym_map_symtabs_matching_filename, | |
1451 | psym_lookup_symbol, | |
1452 | psym_print_stats, | |
1453 | psym_dump, | |
1454 | psym_relocate, | |
1455 | psym_expand_symtabs_for_function, | |
1456 | psym_expand_all_symtabs, | |
1457 | psym_expand_symtabs_with_fullname, | |
1458 | psym_map_matching_symbols, | |
1459 | psym_expand_symtabs_matching, | |
1460 | psym_find_pc_sect_compunit_symtab, | |
1461 | psym_map_symbol_filenames | |
ccefe4c4 TT |
1462 | }; |
1463 | ||
1464 | \f | |
1465 | ||
1466 | /* This compares two partial symbols by names, using strcmp_iw_ordered | |
1467 | for the comparison. */ | |
1468 | ||
1469 | static int | |
1470 | compare_psymbols (const void *s1p, const void *s2p) | |
1471 | { | |
19ba03f4 SM |
1472 | struct partial_symbol *const *s1 = (struct partial_symbol * const*) s1p; |
1473 | struct partial_symbol *const *s2 = (struct partial_symbol * const*) s2p; | |
ccefe4c4 TT |
1474 | |
1475 | return strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*s1), | |
1476 | SYMBOL_SEARCH_NAME (*s2)); | |
1477 | } | |
1478 | ||
8763cede | 1479 | static void |
5c80ed9d | 1480 | sort_pst_symbols (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 1481 | { |
0df8b418 | 1482 | /* Sort the global list; don't sort the static list. */ |
ccefe4c4 | 1483 | |
5c80ed9d | 1484 | qsort (objfile->global_psymbols.list + pst->globals_offset, |
ccefe4c4 TT |
1485 | pst->n_global_syms, sizeof (struct partial_symbol *), |
1486 | compare_psymbols); | |
1487 | } | |
1488 | ||
1489 | /* Allocate and partially fill a partial symtab. It will be | |
1490 | completely filled at the end of the symbol list. | |
1491 | ||
0df8b418 | 1492 | FILENAME is the name of the symbol-file we are reading from. */ |
ccefe4c4 TT |
1493 | |
1494 | struct partial_symtab * | |
1495 | start_psymtab_common (struct objfile *objfile, | |
ccefe4c4 TT |
1496 | const char *filename, |
1497 | CORE_ADDR textlow, struct partial_symbol **global_syms, | |
1498 | struct partial_symbol **static_syms) | |
1499 | { | |
1500 | struct partial_symtab *psymtab; | |
1501 | ||
1502 | psymtab = allocate_psymtab (filename, objfile); | |
ccefe4c4 TT |
1503 | psymtab->textlow = textlow; |
1504 | psymtab->texthigh = psymtab->textlow; /* default */ | |
1505 | psymtab->globals_offset = global_syms - objfile->global_psymbols.list; | |
1506 | psymtab->statics_offset = static_syms - objfile->static_psymbols.list; | |
95cf5869 | 1507 | return psymtab; |
ccefe4c4 TT |
1508 | } |
1509 | ||
8763cede DE |
1510 | /* Perform "finishing up" operations of a partial symtab. */ |
1511 | ||
1512 | void | |
1513 | end_psymtab_common (struct objfile *objfile, struct partial_symtab *pst) | |
1514 | { | |
1515 | pst->n_global_syms | |
1516 | = objfile->global_psymbols.next - (objfile->global_psymbols.list | |
1517 | + pst->globals_offset); | |
1518 | pst->n_static_syms | |
1519 | = objfile->static_psymbols.next - (objfile->static_psymbols.list | |
1520 | + pst->statics_offset); | |
1521 | ||
1522 | sort_pst_symbols (objfile, pst); | |
1523 | } | |
1524 | ||
cbd70537 SW |
1525 | /* Calculate a hash code for the given partial symbol. The hash is |
1526 | calculated using the symbol's value, language, domain, class | |
0df8b418 | 1527 | and name. These are the values which are set by |
cbd70537 SW |
1528 | add_psymbol_to_bcache. */ |
1529 | ||
710e1a31 | 1530 | static unsigned long |
cbd70537 SW |
1531 | psymbol_hash (const void *addr, int length) |
1532 | { | |
1533 | unsigned long h = 0; | |
1534 | struct partial_symbol *psymbol = (struct partial_symbol *) addr; | |
1535 | unsigned int lang = psymbol->ginfo.language; | |
1536 | unsigned int domain = PSYMBOL_DOMAIN (psymbol); | |
fe978cb0 | 1537 | unsigned int theclass = PSYMBOL_CLASS (psymbol); |
cbd70537 SW |
1538 | |
1539 | h = hash_continue (&psymbol->ginfo.value, sizeof (psymbol->ginfo.value), h); | |
1540 | h = hash_continue (&lang, sizeof (unsigned int), h); | |
1541 | h = hash_continue (&domain, sizeof (unsigned int), h); | |
fe978cb0 | 1542 | h = hash_continue (&theclass, sizeof (unsigned int), h); |
cbd70537 SW |
1543 | h = hash_continue (psymbol->ginfo.name, strlen (psymbol->ginfo.name), h); |
1544 | ||
1545 | return h; | |
1546 | } | |
1547 | ||
1548 | /* Returns true if the symbol at addr1 equals the symbol at addr2. | |
1549 | For the comparison this function uses a symbols value, | |
1550 | language, domain, class and name. */ | |
1551 | ||
710e1a31 | 1552 | static int |
cbd70537 SW |
1553 | psymbol_compare (const void *addr1, const void *addr2, int length) |
1554 | { | |
1555 | struct partial_symbol *sym1 = (struct partial_symbol *) addr1; | |
1556 | struct partial_symbol *sym2 = (struct partial_symbol *) addr2; | |
1557 | ||
3e611445 | 1558 | return (memcmp (&sym1->ginfo.value, &sym2->ginfo.value, |
cbd70537 SW |
1559 | sizeof (sym1->ginfo.value)) == 0 |
1560 | && sym1->ginfo.language == sym2->ginfo.language | |
1561 | && PSYMBOL_DOMAIN (sym1) == PSYMBOL_DOMAIN (sym2) | |
1562 | && PSYMBOL_CLASS (sym1) == PSYMBOL_CLASS (sym2) | |
1563 | && sym1->ginfo.name == sym2->ginfo.name); | |
1564 | } | |
1565 | ||
710e1a31 SW |
1566 | /* Initialize a partial symbol bcache. */ |
1567 | ||
1568 | struct psymbol_bcache * | |
1569 | psymbol_bcache_init (void) | |
1570 | { | |
fc270c35 | 1571 | struct psymbol_bcache *bcache = XCNEW (struct psymbol_bcache); |
95cf5869 | 1572 | |
710e1a31 SW |
1573 | bcache->bcache = bcache_xmalloc (psymbol_hash, psymbol_compare); |
1574 | return bcache; | |
1575 | } | |
1576 | ||
1577 | /* Free a partial symbol bcache. */ | |
95cf5869 | 1578 | |
710e1a31 SW |
1579 | void |
1580 | psymbol_bcache_free (struct psymbol_bcache *bcache) | |
1581 | { | |
1582 | if (bcache == NULL) | |
1583 | return; | |
1584 | ||
1585 | bcache_xfree (bcache->bcache); | |
1586 | xfree (bcache); | |
1587 | } | |
1588 | ||
0df8b418 | 1589 | /* Return the internal bcache of the psymbol_bcache BCACHE. */ |
710e1a31 SW |
1590 | |
1591 | struct bcache * | |
1592 | psymbol_bcache_get_bcache (struct psymbol_bcache *bcache) | |
1593 | { | |
1594 | return bcache->bcache; | |
1595 | } | |
1596 | ||
1597 | /* Find a copy of the SYM in BCACHE. If BCACHE has never seen this | |
1598 | symbol before, add a copy to BCACHE. In either case, return a pointer | |
1599 | to BCACHE's copy of the symbol. If optional ADDED is not NULL, return | |
1600 | 1 in case of new entry or 0 if returning an old entry. */ | |
1601 | ||
1602 | static const struct partial_symbol * | |
1603 | psymbol_bcache_full (struct partial_symbol *sym, | |
1604 | struct psymbol_bcache *bcache, | |
1605 | int *added) | |
1606 | { | |
19ba03f4 SM |
1607 | return ((const struct partial_symbol *) |
1608 | bcache_full (sym, sizeof (struct partial_symbol), bcache->bcache, | |
1609 | added)); | |
710e1a31 SW |
1610 | } |
1611 | ||
95cf5869 | 1612 | /* Helper function, initialises partial symbol structure and stashes |
ccefe4c4 TT |
1613 | it into objfile's bcache. Note that our caching mechanism will |
1614 | use all fields of struct partial_symbol to determine hash value of the | |
1615 | structure. In other words, having two symbols with the same name but | |
1616 | different domain (or address) is possible and correct. */ | |
1617 | ||
1618 | static const struct partial_symbol * | |
72b9f47f | 1619 | add_psymbol_to_bcache (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1620 | domain_enum domain, |
fe978cb0 | 1621 | enum address_class theclass, |
1762568f | 1622 | CORE_ADDR coreaddr, |
ccefe4c4 TT |
1623 | enum language language, struct objfile *objfile, |
1624 | int *added) | |
1625 | { | |
cbd70537 SW |
1626 | struct partial_symbol psymbol; |
1627 | ||
f85f34ed TT |
1628 | /* We must ensure that the entire struct has been zeroed before |
1629 | assigning to it, because an assignment may not touch some of the | |
1630 | holes. */ | |
1631 | memset (&psymbol, 0, sizeof (psymbol)); | |
fc956729 | 1632 | |
1762568f | 1633 | SYMBOL_VALUE_ADDRESS (&psymbol) = coreaddr; |
e27d198c | 1634 | SYMBOL_SECTION (&psymbol) = -1; |
f85f34ed | 1635 | SYMBOL_SET_LANGUAGE (&psymbol, language, &objfile->objfile_obstack); |
ccefe4c4 | 1636 | PSYMBOL_DOMAIN (&psymbol) = domain; |
fe978cb0 | 1637 | PSYMBOL_CLASS (&psymbol) = theclass; |
ccefe4c4 TT |
1638 | |
1639 | SYMBOL_SET_NAMES (&psymbol, name, namelength, copy_name, objfile); | |
1640 | ||
0df8b418 | 1641 | /* Stash the partial symbol away in the cache. */ |
95cf5869 | 1642 | return psymbol_bcache_full (&psymbol, objfile->psymbol_cache, added); |
ccefe4c4 TT |
1643 | } |
1644 | ||
923c6a3d | 1645 | /* Increase the space allocated for LISTP, which is probably |
0df8b418 | 1646 | global_psymbols or static_psymbols. This space will eventually |
923c6a3d TT |
1647 | be freed in free_objfile(). */ |
1648 | ||
1649 | static void | |
1650 | extend_psymbol_list (struct psymbol_allocation_list *listp, | |
1651 | struct objfile *objfile) | |
1652 | { | |
1653 | int new_size; | |
1654 | ||
1655 | if (listp->size == 0) | |
1656 | { | |
1657 | new_size = 255; | |
8d749320 | 1658 | listp->list = XNEWVEC (struct partial_symbol *, new_size); |
923c6a3d TT |
1659 | } |
1660 | else | |
1661 | { | |
1662 | new_size = listp->size * 2; | |
1663 | listp->list = (struct partial_symbol **) | |
1664 | xrealloc ((char *) listp->list, | |
1665 | new_size * sizeof (struct partial_symbol *)); | |
1666 | } | |
1667 | /* Next assumes we only went one over. Should be good if | |
0df8b418 | 1668 | program works correctly. */ |
923c6a3d TT |
1669 | listp->next = listp->list + listp->size; |
1670 | listp->size = new_size; | |
1671 | } | |
1672 | ||
95cf5869 | 1673 | /* Helper function, adds partial symbol to the given partial symbol list. */ |
ccefe4c4 TT |
1674 | |
1675 | static void | |
1676 | append_psymbol_to_list (struct psymbol_allocation_list *list, | |
1677 | const struct partial_symbol *psym, | |
1678 | struct objfile *objfile) | |
1679 | { | |
1680 | if (list->next >= list->list + list->size) | |
1681 | extend_psymbol_list (list, objfile); | |
1682 | *list->next++ = (struct partial_symbol *) psym; | |
1683 | OBJSTAT (objfile, n_psyms++); | |
1684 | } | |
1685 | ||
1686 | /* Add a symbol with a long value to a psymtab. | |
1687 | Since one arg is a struct, we pass in a ptr and deref it (sigh). | |
1762568f DE |
1688 | The only value we need to store for psyms is an address. |
1689 | For all other psyms pass zero for COREADDR. | |
ccefe4c4 TT |
1690 | Return the partial symbol that has been added. */ |
1691 | ||
7dc25483 | 1692 | void |
72b9f47f | 1693 | add_psymbol_to_list (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1694 | domain_enum domain, |
fe978cb0 | 1695 | enum address_class theclass, |
95cf5869 | 1696 | struct psymbol_allocation_list *list, |
1762568f | 1697 | CORE_ADDR coreaddr, |
ccefe4c4 TT |
1698 | enum language language, struct objfile *objfile) |
1699 | { | |
1700 | const struct partial_symbol *psym; | |
1701 | ||
1702 | int added; | |
1703 | ||
0df8b418 | 1704 | /* Stash the partial symbol away in the cache. */ |
fe978cb0 | 1705 | psym = add_psymbol_to_bcache (name, namelength, copy_name, domain, theclass, |
1762568f | 1706 | coreaddr, language, objfile, &added); |
ccefe4c4 TT |
1707 | |
1708 | /* Do not duplicate global partial symbols. */ | |
1709 | if (list == &objfile->global_psymbols | |
1710 | && !added) | |
7dc25483 | 1711 | return; |
ccefe4c4 | 1712 | |
0df8b418 | 1713 | /* Save pointer to partial symbol in psymtab, growing symtab if needed. */ |
ccefe4c4 | 1714 | append_psymbol_to_list (list, psym, objfile); |
ccefe4c4 TT |
1715 | } |
1716 | ||
1717 | /* Initialize storage for partial symbols. */ | |
1718 | ||
1719 | void | |
1720 | init_psymbol_list (struct objfile *objfile, int total_symbols) | |
1721 | { | |
1722 | /* Free any previously allocated psymbol lists. */ | |
1723 | ||
1724 | if (objfile->global_psymbols.list) | |
95cf5869 | 1725 | xfree (objfile->global_psymbols.list); |
ccefe4c4 | 1726 | if (objfile->static_psymbols.list) |
95cf5869 | 1727 | xfree (objfile->static_psymbols.list); |
ccefe4c4 TT |
1728 | |
1729 | /* Current best guess is that approximately a twentieth | |
1730 | of the total symbols (in a debugging file) are global or static | |
ca9c6ee2 | 1731 | oriented symbols, then multiply that by slop factor of two. */ |
ccefe4c4 TT |
1732 | |
1733 | objfile->global_psymbols.size = total_symbols / 10; | |
1734 | objfile->static_psymbols.size = total_symbols / 10; | |
1735 | ||
1736 | if (objfile->global_psymbols.size > 0) | |
1737 | { | |
1738 | objfile->global_psymbols.next = | |
8d749320 SM |
1739 | objfile->global_psymbols.list = |
1740 | XNEWVEC (struct partial_symbol *, objfile->global_psymbols.size); | |
ccefe4c4 TT |
1741 | } |
1742 | if (objfile->static_psymbols.size > 0) | |
1743 | { | |
1744 | objfile->static_psymbols.next = | |
8d749320 SM |
1745 | objfile->static_psymbols.list = |
1746 | XNEWVEC (struct partial_symbol *, objfile->static_psymbols.size); | |
ccefe4c4 TT |
1747 | } |
1748 | } | |
1749 | ||
1750 | struct partial_symtab * | |
1751 | allocate_psymtab (const char *filename, struct objfile *objfile) | |
1752 | { | |
1753 | struct partial_symtab *psymtab; | |
1754 | ||
1755 | if (objfile->free_psymtabs) | |
1756 | { | |
1757 | psymtab = objfile->free_psymtabs; | |
1758 | objfile->free_psymtabs = psymtab->next; | |
1759 | } | |
1760 | else | |
1761 | psymtab = (struct partial_symtab *) | |
1762 | obstack_alloc (&objfile->objfile_obstack, | |
1763 | sizeof (struct partial_symtab)); | |
1764 | ||
1765 | memset (psymtab, 0, sizeof (struct partial_symtab)); | |
19ba03f4 SM |
1766 | psymtab->filename |
1767 | = (const char *) bcache (filename, strlen (filename) + 1, | |
1768 | objfile->per_bfd->filename_cache); | |
43f3e411 | 1769 | psymtab->compunit_symtab = NULL; |
ccefe4c4 TT |
1770 | |
1771 | /* Prepend it to the psymtab list for the objfile it belongs to. | |
1772 | Psymtabs are searched in most recent inserted -> least recent | |
0df8b418 | 1773 | inserted order. */ |
ccefe4c4 | 1774 | |
ccefe4c4 TT |
1775 | psymtab->next = objfile->psymtabs; |
1776 | objfile->psymtabs = psymtab; | |
ccefe4c4 | 1777 | |
45cfd468 DE |
1778 | if (symtab_create_debug) |
1779 | { | |
1780 | /* Be a bit clever with debugging messages, and don't print objfile | |
1781 | every time, only when it changes. */ | |
1782 | static char *last_objfile_name = NULL; | |
1783 | ||
1784 | if (last_objfile_name == NULL | |
4262abfb | 1785 | || strcmp (last_objfile_name, objfile_name (objfile)) != 0) |
45cfd468 DE |
1786 | { |
1787 | xfree (last_objfile_name); | |
4262abfb | 1788 | last_objfile_name = xstrdup (objfile_name (objfile)); |
45cfd468 DE |
1789 | fprintf_unfiltered (gdb_stdlog, |
1790 | "Creating one or more psymtabs for objfile %s ...\n", | |
1791 | last_objfile_name); | |
1792 | } | |
1793 | fprintf_unfiltered (gdb_stdlog, | |
fd55216c DE |
1794 | "Created psymtab %s for module %s.\n", |
1795 | host_address_to_string (psymtab), filename); | |
45cfd468 DE |
1796 | } |
1797 | ||
95cf5869 | 1798 | return psymtab; |
ccefe4c4 TT |
1799 | } |
1800 | ||
1801 | void | |
5c80ed9d | 1802 | discard_psymtab (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 TT |
1803 | { |
1804 | struct partial_symtab **prev_pst; | |
1805 | ||
1806 | /* From dbxread.c: | |
1807 | Empty psymtabs happen as a result of header files which don't | |
1808 | have any symbols in them. There can be a lot of them. But this | |
1809 | check is wrong, in that a psymtab with N_SLINE entries but | |
1810 | nothing else is not empty, but we don't realize that. Fixing | |
1811 | that without slowing things down might be tricky. */ | |
1812 | ||
0df8b418 | 1813 | /* First, snip it out of the psymtab chain. */ |
ccefe4c4 | 1814 | |
5c80ed9d | 1815 | prev_pst = &(objfile->psymtabs); |
ccefe4c4 TT |
1816 | while ((*prev_pst) != pst) |
1817 | prev_pst = &((*prev_pst)->next); | |
1818 | (*prev_pst) = pst->next; | |
1819 | ||
0df8b418 | 1820 | /* Next, put it on a free list for recycling. */ |
ccefe4c4 | 1821 | |
5c80ed9d TT |
1822 | pst->next = objfile->free_psymtabs; |
1823 | objfile->free_psymtabs = pst; | |
ccefe4c4 TT |
1824 | } |
1825 | ||
ccefe4c4 TT |
1826 | \f |
1827 | ||
372405a5 DE |
1828 | /* We need to pass a couple of items to the addrmap_foreach function, |
1829 | so use a struct. */ | |
1830 | ||
1831 | struct dump_psymtab_addrmap_data | |
1832 | { | |
1833 | struct objfile *objfile; | |
1834 | struct partial_symtab *psymtab; | |
1835 | struct ui_file *outfile; | |
1836 | ||
1837 | /* Non-zero if the previously printed addrmap entry was for PSYMTAB. | |
1838 | If so, we want to print the next one as well (since the next addrmap | |
1839 | entry defines the end of the range). */ | |
1840 | int previous_matched; | |
1841 | }; | |
1842 | ||
1843 | /* Helper function for dump_psymtab_addrmap to print an addrmap entry. */ | |
1844 | ||
1845 | static int | |
1846 | dump_psymtab_addrmap_1 (void *datap, CORE_ADDR start_addr, void *obj) | |
1847 | { | |
709b5518 PA |
1848 | struct dump_psymtab_addrmap_data *data |
1849 | = (struct dump_psymtab_addrmap_data *) datap; | |
372405a5 | 1850 | struct gdbarch *gdbarch = get_objfile_arch (data->objfile); |
709b5518 | 1851 | struct partial_symtab *addrmap_psymtab = (struct partial_symtab *) obj; |
372405a5 DE |
1852 | const char *psymtab_address_or_end = NULL; |
1853 | ||
1854 | QUIT; | |
1855 | ||
1856 | if (data->psymtab == NULL | |
1857 | || data->psymtab == addrmap_psymtab) | |
1858 | psymtab_address_or_end = host_address_to_string (addrmap_psymtab); | |
1859 | else if (data->previous_matched) | |
1860 | psymtab_address_or_end = "<ends here>"; | |
1861 | ||
1862 | if (data->psymtab == NULL | |
1863 | || data->psymtab == addrmap_psymtab | |
1864 | || data->previous_matched) | |
1865 | { | |
1866 | fprintf_filtered (data->outfile, " %s%s %s\n", | |
1867 | data->psymtab != NULL ? " " : "", | |
1868 | paddress (gdbarch, start_addr), | |
1869 | psymtab_address_or_end); | |
1870 | } | |
1871 | ||
1872 | data->previous_matched = (data->psymtab == NULL | |
1873 | || data->psymtab == addrmap_psymtab); | |
1874 | ||
1875 | return 0; | |
1876 | } | |
1877 | ||
1878 | /* Helper function for maintenance_print_psymbols to print the addrmap | |
1879 | of PSYMTAB. If PSYMTAB is NULL print the entire addrmap. */ | |
1880 | ||
1881 | static void | |
1882 | dump_psymtab_addrmap (struct objfile *objfile, struct partial_symtab *psymtab, | |
1883 | struct ui_file *outfile) | |
1884 | { | |
1885 | struct dump_psymtab_addrmap_data addrmap_dump_data; | |
1886 | ||
34c41c68 DE |
1887 | if ((psymtab == NULL |
1888 | || psymtab->psymtabs_addrmap_supported) | |
1889 | && objfile->psymtabs_addrmap != NULL) | |
372405a5 DE |
1890 | { |
1891 | addrmap_dump_data.objfile = objfile; | |
1892 | addrmap_dump_data.psymtab = psymtab; | |
1893 | addrmap_dump_data.outfile = outfile; | |
1894 | addrmap_dump_data.previous_matched = 0; | |
1895 | fprintf_filtered (outfile, "%sddress map:\n", | |
1896 | psymtab == NULL ? "Entire a" : " A"); | |
1897 | addrmap_foreach (objfile->psymtabs_addrmap, dump_psymtab_addrmap_1, | |
1898 | &addrmap_dump_data); | |
1899 | } | |
1900 | } | |
1901 | ||
dfc7bb5b | 1902 | static void |
ccefe4c4 TT |
1903 | maintenance_print_psymbols (char *args, int from_tty) |
1904 | { | |
34c41c68 | 1905 | struct ui_file *outfile = gdb_stdout; |
34c41c68 | 1906 | char *address_arg = NULL, *source_arg = NULL, *objfile_arg = NULL; |
ccefe4c4 TT |
1907 | struct objfile *objfile; |
1908 | struct partial_symtab *ps; | |
34c41c68 DE |
1909 | int i, outfile_idx, found; |
1910 | CORE_ADDR pc = 0; | |
1911 | struct obj_section *section = NULL; | |
ccefe4c4 TT |
1912 | |
1913 | dont_repeat (); | |
1914 | ||
773a1edc | 1915 | gdb_argv argv (args); |
ccefe4c4 | 1916 | |
99e8a4f9 | 1917 | for (i = 0; argv != NULL && argv[i] != NULL; ++i) |
ccefe4c4 | 1918 | { |
34c41c68 DE |
1919 | if (strcmp (argv[i], "-pc") == 0) |
1920 | { | |
1921 | if (argv[i + 1] == NULL) | |
1922 | error (_("Missing pc value")); | |
1923 | address_arg = argv[++i]; | |
1924 | } | |
1925 | else if (strcmp (argv[i], "-source") == 0) | |
1926 | { | |
1927 | if (argv[i + 1] == NULL) | |
1928 | error (_("Missing source file")); | |
1929 | source_arg = argv[++i]; | |
1930 | } | |
1931 | else if (strcmp (argv[i], "-objfile") == 0) | |
1932 | { | |
1933 | if (argv[i + 1] == NULL) | |
1934 | error (_("Missing objfile name")); | |
1935 | objfile_arg = argv[++i]; | |
1936 | } | |
1937 | else if (strcmp (argv[i], "--") == 0) | |
1938 | { | |
1939 | /* End of options. */ | |
1940 | ++i; | |
1941 | break; | |
1942 | } | |
1943 | else if (argv[i][0] == '-') | |
ccefe4c4 | 1944 | { |
34c41c68 DE |
1945 | /* Future proofing: Don't allow OUTFILE to begin with "-". */ |
1946 | error (_("Unknown option: %s"), argv[i]); | |
ccefe4c4 | 1947 | } |
34c41c68 DE |
1948 | else |
1949 | break; | |
ccefe4c4 | 1950 | } |
34c41c68 | 1951 | outfile_idx = i; |
ccefe4c4 | 1952 | |
34c41c68 DE |
1953 | if (address_arg != NULL && source_arg != NULL) |
1954 | error (_("Must specify at most one of -pc and -source")); | |
ccefe4c4 | 1955 | |
d7e74731 PA |
1956 | stdio_file arg_outfile; |
1957 | ||
99e8a4f9 | 1958 | if (argv != NULL && argv[outfile_idx] != NULL) |
34c41c68 | 1959 | { |
34c41c68 DE |
1960 | if (argv[outfile_idx + 1] != NULL) |
1961 | error (_("Junk at end of command")); | |
ee0c3293 TT |
1962 | gdb::unique_xmalloc_ptr<char> outfile_name |
1963 | (tilde_expand (argv[outfile_idx])); | |
1964 | if (!arg_outfile.open (outfile_name.get (), FOPEN_WT)) | |
1965 | perror_with_name (outfile_name.get ()); | |
d7e74731 | 1966 | outfile = &arg_outfile; |
34c41c68 | 1967 | } |
ccefe4c4 | 1968 | |
34c41c68 DE |
1969 | if (address_arg != NULL) |
1970 | { | |
1971 | pc = parse_and_eval_address (address_arg); | |
1972 | /* If we fail to find a section, that's ok, try the lookup anyway. */ | |
1973 | section = find_pc_section (pc); | |
1974 | } | |
372405a5 | 1975 | |
34c41c68 DE |
1976 | found = 0; |
1977 | ALL_OBJFILES (objfile) | |
27618ce4 | 1978 | { |
34c41c68 DE |
1979 | int printed_objfile_header = 0; |
1980 | int print_for_objfile = 1; | |
1981 | ||
27618ce4 | 1982 | QUIT; |
34c41c68 DE |
1983 | if (objfile_arg != NULL) |
1984 | print_for_objfile | |
1985 | = compare_filenames_for_search (objfile_name (objfile), | |
1986 | objfile_arg); | |
1987 | if (!print_for_objfile) | |
1988 | continue; | |
1989 | ||
1990 | if (address_arg != NULL) | |
1991 | { | |
1992 | struct bound_minimal_symbol msymbol = { NULL, NULL }; | |
1993 | ||
1994 | /* We don't assume each pc has a unique objfile (this is for | |
1995 | debugging). */ | |
1996 | ps = find_pc_sect_psymtab (objfile, pc, section, msymbol); | |
1997 | if (ps != NULL) | |
1998 | { | |
1999 | if (!printed_objfile_header) | |
2000 | { | |
d7e74731 PA |
2001 | outfile->printf ("\nPartial symtabs for objfile %s\n", |
2002 | objfile_name (objfile)); | |
34c41c68 DE |
2003 | printed_objfile_header = 1; |
2004 | } | |
2005 | dump_psymtab (objfile, ps, outfile); | |
2006 | dump_psymtab_addrmap (objfile, ps, outfile); | |
2007 | found = 1; | |
2008 | } | |
2009 | } | |
2010 | else | |
2011 | { | |
2012 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) | |
2013 | { | |
2014 | int print_for_source = 0; | |
2015 | ||
2016 | QUIT; | |
2017 | if (source_arg != NULL) | |
2018 | { | |
2019 | print_for_source | |
2020 | = compare_filenames_for_search (ps->filename, source_arg); | |
2021 | found = 1; | |
2022 | } | |
2023 | if (source_arg == NULL | |
2024 | || print_for_source) | |
2025 | { | |
2026 | if (!printed_objfile_header) | |
2027 | { | |
d7e74731 PA |
2028 | outfile->printf ("\nPartial symtabs for objfile %s\n", |
2029 | objfile_name (objfile)); | |
34c41c68 DE |
2030 | printed_objfile_header = 1; |
2031 | } | |
2032 | dump_psymtab (objfile, ps, outfile); | |
2033 | dump_psymtab_addrmap (objfile, ps, outfile); | |
2034 | } | |
2035 | } | |
2036 | } | |
2037 | ||
2038 | /* If we're printing all the objfile's symbols dump the full addrmap. */ | |
2039 | ||
2040 | if (address_arg == NULL | |
2041 | && source_arg == NULL | |
2042 | && objfile->psymtabs_addrmap != NULL) | |
372405a5 | 2043 | { |
d7e74731 | 2044 | outfile->puts ("\n"); |
34c41c68 | 2045 | dump_psymtab_addrmap (objfile, NULL, outfile); |
372405a5 | 2046 | } |
27618ce4 | 2047 | } |
372405a5 | 2048 | |
34c41c68 DE |
2049 | if (!found) |
2050 | { | |
2051 | if (address_arg != NULL) | |
2052 | error (_("No partial symtab for address: %s"), address_arg); | |
2053 | if (source_arg != NULL) | |
2054 | error (_("No partial symtab for source file: %s"), source_arg); | |
2055 | } | |
ccefe4c4 TT |
2056 | } |
2057 | ||
2058 | /* List all the partial symbol tables whose names match REGEXP (optional). */ | |
95cf5869 | 2059 | |
dfc7bb5b | 2060 | static void |
ccefe4c4 TT |
2061 | maintenance_info_psymtabs (char *regexp, int from_tty) |
2062 | { | |
2063 | struct program_space *pspace; | |
2064 | struct objfile *objfile; | |
2065 | ||
2066 | if (regexp) | |
2067 | re_comp (regexp); | |
2068 | ||
2069 | ALL_PSPACES (pspace) | |
2070 | ALL_PSPACE_OBJFILES (pspace, objfile) | |
2071 | { | |
2072 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
2073 | struct partial_symtab *psymtab; | |
2074 | ||
2075 | /* We don't want to print anything for this objfile until we | |
2076 | actually find a symtab whose name matches. */ | |
2077 | int printed_objfile_start = 0; | |
2078 | ||
b11896a5 | 2079 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab) |
ccefe4c4 TT |
2080 | { |
2081 | QUIT; | |
2082 | ||
2083 | if (! regexp | |
2084 | || re_exec (psymtab->filename)) | |
2085 | { | |
2086 | if (! printed_objfile_start) | |
2087 | { | |
4262abfb | 2088 | printf_filtered ("{ objfile %s ", objfile_name (objfile)); |
ccefe4c4 | 2089 | wrap_here (" "); |
95cf5869 | 2090 | printf_filtered ("((struct objfile *) %s)\n", |
ccefe4c4 TT |
2091 | host_address_to_string (objfile)); |
2092 | printed_objfile_start = 1; | |
2093 | } | |
2094 | ||
2095 | printf_filtered (" { psymtab %s ", psymtab->filename); | |
2096 | wrap_here (" "); | |
95cf5869 | 2097 | printf_filtered ("((struct partial_symtab *) %s)\n", |
ccefe4c4 TT |
2098 | host_address_to_string (psymtab)); |
2099 | ||
2100 | printf_filtered (" readin %s\n", | |
2101 | psymtab->readin ? "yes" : "no"); | |
2102 | printf_filtered (" fullname %s\n", | |
3e43a32a MS |
2103 | psymtab->fullname |
2104 | ? psymtab->fullname : "(null)"); | |
ccefe4c4 TT |
2105 | printf_filtered (" text addresses "); |
2106 | fputs_filtered (paddress (gdbarch, psymtab->textlow), | |
2107 | gdb_stdout); | |
2108 | printf_filtered (" -- "); | |
2109 | fputs_filtered (paddress (gdbarch, psymtab->texthigh), | |
2110 | gdb_stdout); | |
2111 | printf_filtered ("\n"); | |
9750bca9 JK |
2112 | printf_filtered (" psymtabs_addrmap_supported %s\n", |
2113 | (psymtab->psymtabs_addrmap_supported | |
2114 | ? "yes" : "no")); | |
ccefe4c4 TT |
2115 | printf_filtered (" globals "); |
2116 | if (psymtab->n_global_syms) | |
2117 | { | |
2118 | printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", | |
5c80ed9d | 2119 | host_address_to_string (objfile->global_psymbols.list |
ccefe4c4 TT |
2120 | + psymtab->globals_offset), |
2121 | psymtab->n_global_syms); | |
2122 | } | |
2123 | else | |
2124 | printf_filtered ("(none)\n"); | |
2125 | printf_filtered (" statics "); | |
2126 | if (psymtab->n_static_syms) | |
2127 | { | |
2128 | printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", | |
5c80ed9d | 2129 | host_address_to_string (objfile->static_psymbols.list |
ccefe4c4 TT |
2130 | + psymtab->statics_offset), |
2131 | psymtab->n_static_syms); | |
2132 | } | |
2133 | else | |
2134 | printf_filtered ("(none)\n"); | |
2135 | printf_filtered (" dependencies "); | |
2136 | if (psymtab->number_of_dependencies) | |
2137 | { | |
2138 | int i; | |
2139 | ||
2140 | printf_filtered ("{\n"); | |
2141 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
2142 | { | |
2143 | struct partial_symtab *dep = psymtab->dependencies[i]; | |
2144 | ||
2145 | /* Note the string concatenation there --- no comma. */ | |
2146 | printf_filtered (" psymtab %s " | |
2147 | "((struct partial_symtab *) %s)\n", | |
95cf5869 | 2148 | dep->filename, |
ccefe4c4 TT |
2149 | host_address_to_string (dep)); |
2150 | } | |
2151 | printf_filtered (" }\n"); | |
2152 | } | |
2153 | else | |
2154 | printf_filtered ("(none)\n"); | |
2155 | printf_filtered (" }\n"); | |
2156 | } | |
2157 | } | |
2158 | ||
2159 | if (printed_objfile_start) | |
2160 | printf_filtered ("}\n"); | |
2161 | } | |
2162 | } | |
2163 | ||
7d0c9981 | 2164 | /* Check consistency of currently expanded psymtabs vs symtabs. */ |
ccefe4c4 | 2165 | |
dfc7bb5b | 2166 | static void |
7d0c9981 | 2167 | maintenance_check_psymtabs (char *ignore, int from_tty) |
ccefe4c4 TT |
2168 | { |
2169 | struct symbol *sym; | |
2170 | struct partial_symbol **psym; | |
43f3e411 | 2171 | struct compunit_symtab *cust = NULL; |
ccefe4c4 | 2172 | struct partial_symtab *ps; |
346d1dfe | 2173 | const struct blockvector *bv; |
ccefe4c4 TT |
2174 | struct objfile *objfile; |
2175 | struct block *b; | |
2176 | int length; | |
2177 | ||
2178 | ALL_PSYMTABS (objfile, ps) | |
2179 | { | |
2180 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
ad3bbd48 | 2181 | |
7d0c9981 DE |
2182 | /* We don't call psymtab_to_symtab here because that may cause symtab |
2183 | expansion. When debugging a problem it helps if checkers leave | |
2184 | things unchanged. */ | |
43f3e411 | 2185 | cust = ps->compunit_symtab; |
7d0c9981 DE |
2186 | |
2187 | /* First do some checks that don't require the associated symtab. */ | |
2188 | if (ps->texthigh < ps->textlow) | |
2189 | { | |
2190 | printf_filtered ("Psymtab "); | |
2191 | puts_filtered (ps->filename); | |
2192 | printf_filtered (" covers bad range "); | |
2193 | fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout); | |
2194 | printf_filtered (" - "); | |
2195 | fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout); | |
2196 | printf_filtered ("\n"); | |
2197 | continue; | |
2198 | } | |
2199 | ||
2200 | /* Now do checks requiring the associated symtab. */ | |
43f3e411 | 2201 | if (cust == NULL) |
ccefe4c4 | 2202 | continue; |
43f3e411 | 2203 | bv = COMPUNIT_BLOCKVECTOR (cust); |
ccefe4c4 | 2204 | b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); |
5c80ed9d | 2205 | psym = objfile->static_psymbols.list + ps->statics_offset; |
ccefe4c4 TT |
2206 | length = ps->n_static_syms; |
2207 | while (length--) | |
2208 | { | |
16b2eaa1 | 2209 | sym = block_lookup_symbol (b, SYMBOL_LINKAGE_NAME (*psym), |
ccefe4c4 TT |
2210 | SYMBOL_DOMAIN (*psym)); |
2211 | if (!sym) | |
2212 | { | |
2213 | printf_filtered ("Static symbol `"); | |
2214 | puts_filtered (SYMBOL_LINKAGE_NAME (*psym)); | |
2215 | printf_filtered ("' only found in "); | |
2216 | puts_filtered (ps->filename); | |
2217 | printf_filtered (" psymtab\n"); | |
2218 | } | |
2219 | psym++; | |
2220 | } | |
2221 | b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
5c80ed9d | 2222 | psym = objfile->global_psymbols.list + ps->globals_offset; |
ccefe4c4 TT |
2223 | length = ps->n_global_syms; |
2224 | while (length--) | |
2225 | { | |
16b2eaa1 | 2226 | sym = block_lookup_symbol (b, SYMBOL_LINKAGE_NAME (*psym), |
ccefe4c4 TT |
2227 | SYMBOL_DOMAIN (*psym)); |
2228 | if (!sym) | |
2229 | { | |
2230 | printf_filtered ("Global symbol `"); | |
2231 | puts_filtered (SYMBOL_LINKAGE_NAME (*psym)); | |
2232 | printf_filtered ("' only found in "); | |
2233 | puts_filtered (ps->filename); | |
2234 | printf_filtered (" psymtab\n"); | |
2235 | } | |
2236 | psym++; | |
2237 | } | |
7d0c9981 DE |
2238 | if (ps->texthigh != 0 |
2239 | && (ps->textlow < BLOCK_START (b) || ps->texthigh > BLOCK_END (b))) | |
ccefe4c4 TT |
2240 | { |
2241 | printf_filtered ("Psymtab "); | |
2242 | puts_filtered (ps->filename); | |
2243 | printf_filtered (" covers "); | |
2244 | fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout); | |
2245 | printf_filtered (" - "); | |
2246 | fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout); | |
2247 | printf_filtered (" but symtab covers only "); | |
2248 | fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout); | |
2249 | printf_filtered (" - "); | |
2250 | fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout); | |
2251 | printf_filtered ("\n"); | |
2252 | } | |
2253 | } | |
2254 | } | |
2255 | ||
2256 | \f | |
2257 | ||
dfc7bb5b YQ |
2258 | extern initialize_file_ftype _initialize_psymtab; |
2259 | ||
2260 | void | |
2261 | _initialize_psymtab (void) | |
2262 | { | |
2263 | add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols, _("\ | |
2264 | Print dump of current partial symbol definitions.\n\ | |
34c41c68 DE |
2265 | Usage: mt print psymbols [-objfile objfile] [-pc address] [--] [outfile]\n\ |
2266 | mt print psymbols [-objfile objfile] [-source source] [--] [outfile]\n\ | |
2267 | Entries in the partial symbol table are dumped to file OUTFILE,\n\ | |
2268 | or the terminal if OUTFILE is unspecified.\n\ | |
2269 | If ADDRESS is provided, dump only the file for that address.\n\ | |
2270 | If SOURCE is provided, dump only that file's symbols.\n\ | |
2271 | If OBJFILE is provided, dump only that file's minimal symbols."), | |
dfc7bb5b YQ |
2272 | &maintenanceprintlist); |
2273 | ||
2274 | add_cmd ("psymtabs", class_maintenance, maintenance_info_psymtabs, _("\ | |
2275 | List the partial symbol tables for all object files.\n\ | |
2276 | This does not include information about individual partial symbols,\n\ | |
2277 | just the symbol table structures themselves."), | |
2278 | &maintenanceinfolist); | |
2279 | ||
7d0c9981 DE |
2280 | add_cmd ("check-psymtabs", class_maintenance, maintenance_check_psymtabs, |
2281 | _("\ | |
2282 | Check consistency of currently expanded psymtabs versus symtabs."), | |
dfc7bb5b YQ |
2283 | &maintenancelist); |
2284 | } |