Commit | Line | Data |
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ccefe4c4 | 1 | /* Partial symbol tables. |
95cf5869 | 2 | |
e2882c85 | 3 | Copyright (C) 2009-2018 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" |
af5bf4ad | 38 | #include <algorithm> |
71a3c369 | 39 | #include <set> |
ccefe4c4 | 40 | |
710e1a31 SW |
41 | struct psymbol_bcache |
42 | { | |
43 | struct bcache *bcache; | |
44 | }; | |
45 | ||
5c80ed9d TT |
46 | static struct partial_symbol *match_partial_symbol (struct objfile *, |
47 | struct partial_symtab *, | |
40658b94 PH |
48 | int, |
49 | const char *, domain_enum, | |
b5ec771e | 50 | symbol_name_match_type, |
2edb89d3 | 51 | symbol_compare_ftype *); |
40658b94 | 52 | |
5c80ed9d TT |
53 | static struct partial_symbol *lookup_partial_symbol (struct objfile *, |
54 | struct partial_symtab *, | |
ccefe4c4 TT |
55 | const char *, int, |
56 | domain_enum); | |
57 | ||
da5132d3 | 58 | static const char *psymtab_to_fullname (struct partial_symtab *ps); |
ccefe4c4 | 59 | |
5c80ed9d TT |
60 | static struct partial_symbol *find_pc_sect_psymbol (struct objfile *, |
61 | struct partial_symtab *, | |
ccefe4c4 TT |
62 | CORE_ADDR, |
63 | struct obj_section *); | |
64 | ||
50da2f25 YQ |
65 | static void fixup_psymbol_section (struct partial_symbol *psym, |
66 | struct objfile *objfile); | |
ccefe4c4 | 67 | |
43f3e411 DE |
68 | static struct compunit_symtab *psymtab_to_symtab (struct objfile *objfile, |
69 | struct partial_symtab *pst); | |
ccefe4c4 | 70 | |
b11896a5 TT |
71 | /* Ensure that the partial symbols for OBJFILE have been loaded. This |
72 | function always returns its argument, as a convenience. */ | |
73 | ||
74 | struct objfile * | |
75 | require_partial_symbols (struct objfile *objfile, int verbose) | |
76 | { | |
77 | if ((objfile->flags & OBJF_PSYMTABS_READ) == 0) | |
78 | { | |
79 | objfile->flags |= OBJF_PSYMTABS_READ; | |
80 | ||
81 | if (objfile->sf->sym_read_psymbols) | |
82 | { | |
83 | if (verbose) | |
84 | { | |
85 | printf_unfiltered (_("Reading symbols from %s..."), | |
4262abfb | 86 | objfile_name (objfile)); |
b11896a5 TT |
87 | gdb_flush (gdb_stdout); |
88 | } | |
89 | (*objfile->sf->sym_read_psymbols) (objfile); | |
af5bf4ad SM |
90 | |
91 | /* Partial symbols list are not expected to changed after this | |
92 | point. */ | |
93 | objfile->global_psymbols.shrink_to_fit (); | |
94 | objfile->static_psymbols.shrink_to_fit (); | |
95 | ||
b11896a5 TT |
96 | if (verbose) |
97 | { | |
98 | if (!objfile_has_symbols (objfile)) | |
99 | { | |
100 | wrap_here (""); | |
101 | printf_unfiltered (_("(no debugging symbols found)...")); | |
102 | wrap_here (""); | |
103 | } | |
104 | ||
105 | printf_unfiltered (_("done.\n")); | |
106 | } | |
107 | } | |
108 | } | |
109 | ||
110 | return objfile; | |
111 | } | |
112 | ||
113 | /* Traverse all psymtabs in one objfile, requiring that the psymtabs | |
114 | be read in. */ | |
115 | ||
116 | #define ALL_OBJFILE_PSYMTABS_REQUIRED(objfile, p) \ | |
117 | for ((p) = require_partial_symbols (objfile, 1)->psymtabs; \ | |
118 | (p) != NULL; \ | |
119 | (p) = (p)->next) | |
120 | ||
121 | /* We want to make sure this file always requires psymtabs. */ | |
122 | ||
123 | #undef ALL_OBJFILE_PSYMTABS | |
124 | ||
125 | /* Traverse all psymtabs in all objfiles. */ | |
126 | ||
127 | #define ALL_PSYMTABS(objfile, p) \ | |
128 | ALL_OBJFILES (objfile) \ | |
129 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) | |
130 | ||
83827540 | 131 | /* Helper function for psym_map_symtabs_matching_filename that |
f8eba3c6 | 132 | expands the symtabs and calls the iterator. */ |
ccefe4c4 | 133 | |
14bc53a8 | 134 | static bool |
f8eba3c6 TT |
135 | partial_map_expand_apply (struct objfile *objfile, |
136 | const char *name, | |
f8eba3c6 TT |
137 | const char *real_path, |
138 | struct partial_symtab *pst, | |
14bc53a8 | 139 | gdb::function_view<bool (symtab *)> callback) |
f8eba3c6 | 140 | { |
43f3e411 | 141 | struct compunit_symtab *last_made = objfile->compunit_symtabs; |
f8eba3c6 | 142 | |
9439a077 TT |
143 | /* Shared psymtabs should never be seen here. Instead they should |
144 | be handled properly by the caller. */ | |
145 | gdb_assert (pst->user == NULL); | |
146 | ||
f8eba3c6 TT |
147 | /* Don't visit already-expanded psymtabs. */ |
148 | if (pst->readin) | |
149 | return 0; | |
150 | ||
151 | /* This may expand more than one symtab, and we want to iterate over | |
152 | all of them. */ | |
5c80ed9d | 153 | psymtab_to_symtab (objfile, pst); |
f8eba3c6 | 154 | |
14bc53a8 PA |
155 | return iterate_over_some_symtabs (name, real_path, objfile->compunit_symtabs, |
156 | last_made, callback); | |
f8eba3c6 TT |
157 | } |
158 | ||
83827540 DE |
159 | /* Psymtab version of map_symtabs_matching_filename. See its definition in |
160 | the definition of quick_symbol_functions in symfile.h. */ | |
f8eba3c6 | 161 | |
14bc53a8 PA |
162 | static bool |
163 | psym_map_symtabs_matching_filename | |
164 | (struct objfile *objfile, | |
165 | const char *name, | |
166 | const char *real_path, | |
167 | gdb::function_view<bool (symtab *)> callback) | |
ccefe4c4 TT |
168 | { |
169 | struct partial_symtab *pst; | |
c011a4f4 | 170 | const char *name_basename = lbasename (name); |
ccefe4c4 | 171 | |
b11896a5 | 172 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
ccefe4c4 | 173 | { |
9439a077 TT |
174 | /* We can skip shared psymtabs here, because any file name will be |
175 | attached to the unshared psymtab. */ | |
176 | if (pst->user != NULL) | |
177 | continue; | |
178 | ||
b4c41fc7 DE |
179 | /* Anonymous psymtabs don't have a file name. */ |
180 | if (pst->anonymous) | |
181 | continue; | |
182 | ||
af529f8f | 183 | if (compare_filenames_for_search (pst->filename, name)) |
ccefe4c4 | 184 | { |
f5b95b50 | 185 | if (partial_map_expand_apply (objfile, name, real_path, |
14bc53a8 PA |
186 | pst, callback)) |
187 | return true; | |
288e77a7 | 188 | continue; |
ccefe4c4 TT |
189 | } |
190 | ||
c011a4f4 DE |
191 | /* Before we invoke realpath, which can get expensive when many |
192 | files are involved, do a quick comparison of the basenames. */ | |
193 | if (! basenames_may_differ | |
194 | && FILENAME_CMP (name_basename, lbasename (pst->filename)) != 0) | |
195 | continue; | |
196 | ||
05cba821 JK |
197 | if (compare_filenames_for_search (psymtab_to_fullname (pst), name)) |
198 | { | |
199 | if (partial_map_expand_apply (objfile, name, real_path, | |
14bc53a8 PA |
200 | pst, callback)) |
201 | return true; | |
288e77a7 | 202 | continue; |
05cba821 JK |
203 | } |
204 | ||
ccefe4c4 TT |
205 | /* If the user gave us an absolute path, try to find the file in |
206 | this symtab and use its absolute path. */ | |
ccefe4c4 TT |
207 | if (real_path != NULL) |
208 | { | |
af529f8f JK |
209 | gdb_assert (IS_ABSOLUTE_PATH (real_path)); |
210 | gdb_assert (IS_ABSOLUTE_PATH (name)); | |
fbd9ab74 | 211 | if (filename_cmp (psymtab_to_fullname (pst), real_path) == 0) |
ccefe4c4 | 212 | { |
f5b95b50 | 213 | if (partial_map_expand_apply (objfile, name, real_path, |
14bc53a8 PA |
214 | pst, callback)) |
215 | return true; | |
288e77a7 | 216 | continue; |
ccefe4c4 TT |
217 | } |
218 | } | |
219 | } | |
220 | ||
14bc53a8 | 221 | return false; |
ccefe4c4 TT |
222 | } |
223 | ||
224 | /* Find which partial symtab contains PC and SECTION starting at psymtab PST. | |
225 | We may find a different psymtab than PST. See FIND_PC_SECT_PSYMTAB. */ | |
226 | ||
227 | static struct partial_symtab * | |
5c80ed9d TT |
228 | find_pc_sect_psymtab_closer (struct objfile *objfile, |
229 | CORE_ADDR pc, struct obj_section *section, | |
ccefe4c4 | 230 | struct partial_symtab *pst, |
77e371c0 | 231 | struct bound_minimal_symbol msymbol) |
ccefe4c4 | 232 | { |
ccefe4c4 TT |
233 | struct partial_symtab *tpst; |
234 | struct partial_symtab *best_pst = pst; | |
235 | CORE_ADDR best_addr = pst->textlow; | |
236 | ||
9750bca9 JK |
237 | gdb_assert (!pst->psymtabs_addrmap_supported); |
238 | ||
ccefe4c4 TT |
239 | /* An objfile that has its functions reordered might have |
240 | many partial symbol tables containing the PC, but | |
241 | we want the partial symbol table that contains the | |
242 | function containing the PC. */ | |
95cf5869 DE |
243 | if (!(objfile->flags & OBJF_REORDERED) |
244 | && section == NULL) /* Can't validate section this way. */ | |
ccefe4c4 TT |
245 | return pst; |
246 | ||
77e371c0 | 247 | if (msymbol.minsym == NULL) |
95cf5869 | 248 | return pst; |
ccefe4c4 TT |
249 | |
250 | /* The code range of partial symtabs sometimes overlap, so, in | |
251 | the loop below, we need to check all partial symtabs and | |
0df8b418 | 252 | find the one that fits better for the given PC address. We |
ccefe4c4 TT |
253 | select the partial symtab that contains a symbol whose |
254 | address is closest to the PC address. By closest we mean | |
255 | that find_pc_sect_symbol returns the symbol with address | |
256 | that is closest and still less than the given PC. */ | |
257 | for (tpst = pst; tpst != NULL; tpst = tpst->next) | |
258 | { | |
259 | if (pc >= tpst->textlow && pc < tpst->texthigh) | |
260 | { | |
261 | struct partial_symbol *p; | |
262 | CORE_ADDR this_addr; | |
263 | ||
264 | /* NOTE: This assumes that every psymbol has a | |
265 | corresponding msymbol, which is not necessarily | |
266 | true; the debug info might be much richer than the | |
267 | object's symbol table. */ | |
5c80ed9d | 268 | p = find_pc_sect_psymbol (objfile, tpst, pc, section); |
ccefe4c4 | 269 | if (p != NULL |
95cf5869 DE |
270 | && (SYMBOL_VALUE_ADDRESS (p) |
271 | == BMSYMBOL_VALUE_ADDRESS (msymbol))) | |
ccefe4c4 TT |
272 | return tpst; |
273 | ||
274 | /* Also accept the textlow value of a psymtab as a | |
275 | "symbol", to provide some support for partial | |
276 | symbol tables with line information but no debug | |
277 | symbols (e.g. those produced by an assembler). */ | |
278 | if (p != NULL) | |
279 | this_addr = SYMBOL_VALUE_ADDRESS (p); | |
280 | else | |
281 | this_addr = tpst->textlow; | |
282 | ||
283 | /* Check whether it is closer than our current | |
284 | BEST_ADDR. Since this symbol address is | |
285 | necessarily lower or equal to PC, the symbol closer | |
286 | to PC is the symbol which address is the highest. | |
287 | This way we return the psymtab which contains such | |
0df8b418 | 288 | best match symbol. This can help in cases where the |
ccefe4c4 TT |
289 | symbol information/debuginfo is not complete, like |
290 | for instance on IRIX6 with gcc, where no debug info | |
0df8b418 MS |
291 | is emitted for statics. (See also the nodebug.exp |
292 | testcase.) */ | |
ccefe4c4 TT |
293 | if (this_addr > best_addr) |
294 | { | |
295 | best_addr = this_addr; | |
296 | best_pst = tpst; | |
297 | } | |
298 | } | |
299 | } | |
300 | return best_pst; | |
301 | } | |
302 | ||
95cf5869 | 303 | /* Find which partial symtab contains PC and SECTION. Return NULL if |
ccefe4c4 TT |
304 | none. We return the psymtab that contains a symbol whose address |
305 | exactly matches PC, or, if we cannot find an exact match, the | |
306 | psymtab that contains a symbol whose address is closest to PC. */ | |
95cf5869 | 307 | |
ccefe4c4 TT |
308 | static struct partial_symtab * |
309 | find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc, | |
310 | struct obj_section *section, | |
77e371c0 | 311 | struct bound_minimal_symbol msymbol) |
ccefe4c4 TT |
312 | { |
313 | struct partial_symtab *pst; | |
314 | ||
315 | /* Try just the PSYMTABS_ADDRMAP mapping first as it has better granularity | |
316 | than the later used TEXTLOW/TEXTHIGH one. */ | |
317 | ||
318 | if (objfile->psymtabs_addrmap != NULL) | |
319 | { | |
19ba03f4 SM |
320 | pst = ((struct partial_symtab *) |
321 | addrmap_find (objfile->psymtabs_addrmap, pc)); | |
ccefe4c4 TT |
322 | if (pst != NULL) |
323 | { | |
324 | /* FIXME: addrmaps currently do not handle overlayed sections, | |
325 | so fall back to the non-addrmap case if we're debugging | |
326 | overlays and the addrmap returned the wrong section. */ | |
95cf5869 | 327 | if (overlay_debugging && msymbol.minsym != NULL && section != NULL) |
ccefe4c4 TT |
328 | { |
329 | struct partial_symbol *p; | |
ad3bbd48 | 330 | |
ccefe4c4 TT |
331 | /* NOTE: This assumes that every psymbol has a |
332 | corresponding msymbol, which is not necessarily | |
333 | true; the debug info might be much richer than the | |
334 | object's symbol table. */ | |
5c80ed9d | 335 | p = find_pc_sect_psymbol (objfile, pst, pc, section); |
95cf5869 DE |
336 | if (p == NULL |
337 | || (SYMBOL_VALUE_ADDRESS (p) | |
338 | != BMSYMBOL_VALUE_ADDRESS (msymbol))) | |
ccefe4c4 TT |
339 | goto next; |
340 | } | |
341 | ||
342 | /* We do not try to call FIND_PC_SECT_PSYMTAB_CLOSER as | |
343 | PSYMTABS_ADDRMAP we used has already the best 1-byte | |
344 | granularity and FIND_PC_SECT_PSYMTAB_CLOSER may mislead us into | |
345 | a worse chosen section due to the TEXTLOW/TEXTHIGH ranges | |
346 | overlap. */ | |
347 | ||
348 | return pst; | |
349 | } | |
350 | } | |
351 | ||
352 | next: | |
353 | ||
354 | /* Existing PSYMTABS_ADDRMAP mapping is present even for PARTIAL_SYMTABs | |
355 | which still have no corresponding full SYMTABs read. But it is not | |
356 | present for non-DWARF2 debug infos not supporting PSYMTABS_ADDRMAP in GDB | |
357 | so far. */ | |
358 | ||
359 | /* Check even OBJFILE with non-zero PSYMTABS_ADDRMAP as only several of | |
360 | its CUs may be missing in PSYMTABS_ADDRMAP as they may be varying | |
361 | debug info type in single OBJFILE. */ | |
362 | ||
b11896a5 | 363 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
9750bca9 JK |
364 | if (!pst->psymtabs_addrmap_supported |
365 | && pc >= pst->textlow && pc < pst->texthigh) | |
ccefe4c4 TT |
366 | { |
367 | struct partial_symtab *best_pst; | |
368 | ||
5c80ed9d TT |
369 | best_pst = find_pc_sect_psymtab_closer (objfile, pc, section, pst, |
370 | msymbol); | |
ccefe4c4 TT |
371 | if (best_pst != NULL) |
372 | return best_pst; | |
373 | } | |
374 | ||
375 | return NULL; | |
376 | } | |
377 | ||
95cf5869 DE |
378 | /* Psymtab version of find_pc_sect_compunit_symtab. See its definition in |
379 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 380 | |
43f3e411 | 381 | static struct compunit_symtab * |
83827540 DE |
382 | psym_find_pc_sect_compunit_symtab (struct objfile *objfile, |
383 | struct bound_minimal_symbol msymbol, | |
384 | CORE_ADDR pc, | |
385 | struct obj_section *section, | |
386 | int warn_if_readin) | |
ccefe4c4 TT |
387 | { |
388 | struct partial_symtab *ps = find_pc_sect_psymtab (objfile, pc, section, | |
389 | msymbol); | |
95cf5869 | 390 | if (ps != NULL) |
ccefe4c4 TT |
391 | { |
392 | if (warn_if_readin && ps->readin) | |
393 | /* Might want to error() here (in case symtab is corrupt and | |
394 | will cause a core dump), but maybe we can successfully | |
395 | continue, so let's not. */ | |
396 | warning (_("\ | |
397 | (Internal error: pc %s in read in psymtab, but not in symtab.)\n"), | |
5c80ed9d TT |
398 | paddress (get_objfile_arch (objfile), pc)); |
399 | psymtab_to_symtab (objfile, ps); | |
43f3e411 | 400 | return ps->compunit_symtab; |
ccefe4c4 TT |
401 | } |
402 | return NULL; | |
403 | } | |
404 | ||
405 | /* Find which partial symbol within a psymtab matches PC and SECTION. | |
95cf5869 | 406 | Return NULL if none. */ |
ccefe4c4 TT |
407 | |
408 | static struct partial_symbol * | |
5c80ed9d TT |
409 | find_pc_sect_psymbol (struct objfile *objfile, |
410 | struct partial_symtab *psymtab, CORE_ADDR pc, | |
ccefe4c4 TT |
411 | struct obj_section *section) |
412 | { | |
af5bf4ad | 413 | struct partial_symbol *best = NULL; |
ccefe4c4 TT |
414 | CORE_ADDR best_pc; |
415 | ||
416 | gdb_assert (psymtab != NULL); | |
417 | ||
0df8b418 | 418 | /* Cope with programs that start at address 0. */ |
ccefe4c4 TT |
419 | best_pc = (psymtab->textlow != 0) ? psymtab->textlow - 1 : 0; |
420 | ||
421 | /* Search the global symbols as well as the static symbols, so that | |
422 | find_pc_partial_function doesn't use a minimal symbol and thus | |
423 | cache a bad endaddr. */ | |
af5bf4ad | 424 | for (int i = 0; i < psymtab->n_global_syms; i++) |
ccefe4c4 | 425 | { |
af5bf4ad SM |
426 | partial_symbol *p = objfile->global_psymbols[psymtab->globals_offset + i]; |
427 | ||
ccefe4c4 | 428 | if (SYMBOL_DOMAIN (p) == VAR_DOMAIN |
dbccfd4c | 429 | && PSYMBOL_CLASS (p) == LOC_BLOCK |
ccefe4c4 TT |
430 | && pc >= SYMBOL_VALUE_ADDRESS (p) |
431 | && (SYMBOL_VALUE_ADDRESS (p) > best_pc | |
432 | || (psymtab->textlow == 0 | |
433 | && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0))) | |
434 | { | |
95cf5869 | 435 | if (section != NULL) /* Match on a specific section. */ |
ccefe4c4 | 436 | { |
5c80ed9d | 437 | fixup_psymbol_section (p, objfile); |
e27d198c TT |
438 | if (!matching_obj_sections (SYMBOL_OBJ_SECTION (objfile, p), |
439 | section)) | |
ccefe4c4 TT |
440 | continue; |
441 | } | |
442 | best_pc = SYMBOL_VALUE_ADDRESS (p); | |
443 | best = p; | |
444 | } | |
445 | } | |
446 | ||
af5bf4ad | 447 | for (int i = 0; i < psymtab->n_static_syms; i++) |
ccefe4c4 | 448 | { |
af5bf4ad SM |
449 | partial_symbol *p = objfile->static_psymbols[psymtab->statics_offset + i]; |
450 | ||
ccefe4c4 | 451 | if (SYMBOL_DOMAIN (p) == VAR_DOMAIN |
dbccfd4c | 452 | && PSYMBOL_CLASS (p) == LOC_BLOCK |
ccefe4c4 TT |
453 | && pc >= SYMBOL_VALUE_ADDRESS (p) |
454 | && (SYMBOL_VALUE_ADDRESS (p) > best_pc | |
455 | || (psymtab->textlow == 0 | |
456 | && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0))) | |
457 | { | |
95cf5869 | 458 | if (section != NULL) /* Match on a specific section. */ |
ccefe4c4 | 459 | { |
5c80ed9d | 460 | fixup_psymbol_section (p, objfile); |
e27d198c TT |
461 | if (!matching_obj_sections (SYMBOL_OBJ_SECTION (objfile, p), |
462 | section)) | |
ccefe4c4 TT |
463 | continue; |
464 | } | |
465 | best_pc = SYMBOL_VALUE_ADDRESS (p); | |
466 | best = p; | |
467 | } | |
468 | } | |
469 | ||
470 | return best; | |
471 | } | |
472 | ||
50da2f25 | 473 | static void |
ccefe4c4 TT |
474 | fixup_psymbol_section (struct partial_symbol *psym, struct objfile *objfile) |
475 | { | |
476 | CORE_ADDR addr; | |
477 | ||
95cf5869 | 478 | if (psym == NULL) |
e27d198c TT |
479 | return; |
480 | ||
481 | if (SYMBOL_SECTION (psym) >= 0) | |
50da2f25 | 482 | return; |
ccefe4c4 TT |
483 | |
484 | gdb_assert (objfile); | |
485 | ||
dbccfd4c | 486 | switch (PSYMBOL_CLASS (psym)) |
ccefe4c4 TT |
487 | { |
488 | case LOC_STATIC: | |
489 | case LOC_LABEL: | |
490 | case LOC_BLOCK: | |
491 | addr = SYMBOL_VALUE_ADDRESS (psym); | |
492 | break; | |
493 | default: | |
494 | /* Nothing else will be listed in the minsyms -- no use looking | |
495 | it up. */ | |
50da2f25 | 496 | return; |
ccefe4c4 TT |
497 | } |
498 | ||
499 | fixup_section (&psym->ginfo, addr, objfile); | |
ccefe4c4 TT |
500 | } |
501 | ||
95cf5869 DE |
502 | /* Psymtab version of lookup_symbol. See its definition in |
503 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 504 | |
43f3e411 | 505 | static struct compunit_symtab * |
83827540 DE |
506 | psym_lookup_symbol (struct objfile *objfile, |
507 | int block_index, const char *name, | |
508 | const domain_enum domain) | |
ccefe4c4 TT |
509 | { |
510 | struct partial_symtab *ps; | |
511 | const int psymtab_index = (block_index == GLOBAL_BLOCK ? 1 : 0); | |
43f3e411 | 512 | struct compunit_symtab *stab_best = NULL; |
ccefe4c4 | 513 | |
b5ec771e PA |
514 | lookup_name_info lookup_name (name, symbol_name_match_type::FULL); |
515 | ||
b11896a5 | 516 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 | 517 | { |
5c80ed9d TT |
518 | if (!ps->readin && lookup_partial_symbol (objfile, ps, name, |
519 | psymtab_index, domain)) | |
c00f8484 | 520 | { |
b2e2f908 | 521 | struct symbol *sym, *with_opaque = NULL; |
43f3e411 | 522 | struct compunit_symtab *stab = psymtab_to_symtab (objfile, ps); |
f194fefb DE |
523 | /* Note: While psymtab_to_symtab can return NULL if the partial symtab |
524 | is empty, we can assume it won't here because lookup_partial_symbol | |
525 | succeeded. */ | |
43f3e411 | 526 | const struct blockvector *bv = COMPUNIT_BLOCKVECTOR (stab); |
f194fefb | 527 | struct block *block = BLOCKVECTOR_BLOCK (bv, block_index); |
c00f8484 | 528 | |
b2e2f908 DE |
529 | sym = block_find_symbol (block, name, domain, |
530 | block_find_non_opaque_type_preferred, | |
531 | &with_opaque); | |
532 | ||
c00f8484 | 533 | /* Some caution must be observed with overloaded functions |
b2e2f908 | 534 | and methods, since the index will not contain any overload |
c00f8484 | 535 | information (but NAME might contain it). */ |
bfb05775 | 536 | |
b2e2f908 | 537 | if (sym != NULL |
b5ec771e | 538 | && SYMBOL_MATCHES_SEARCH_NAME (sym, lookup_name)) |
b2e2f908 DE |
539 | return stab; |
540 | if (with_opaque != NULL | |
b5ec771e | 541 | && SYMBOL_MATCHES_SEARCH_NAME (with_opaque, lookup_name)) |
b2e2f908 | 542 | stab_best = stab; |
c00f8484 KS |
543 | |
544 | /* Keep looking through other psymtabs. */ | |
545 | } | |
ccefe4c4 TT |
546 | } |
547 | ||
bfb05775 | 548 | return stab_best; |
ccefe4c4 TT |
549 | } |
550 | ||
b5ec771e PA |
551 | /* Returns true if PSYM matches LOOKUP_NAME. */ |
552 | ||
553 | static bool | |
554 | psymbol_name_matches (partial_symbol *psym, | |
555 | const lookup_name_info &lookup_name) | |
556 | { | |
557 | const language_defn *lang = language_def (SYMBOL_LANGUAGE (psym)); | |
558 | symbol_name_matcher_ftype *name_match | |
618daa93 | 559 | = get_symbol_name_matcher (lang, lookup_name); |
b5ec771e PA |
560 | return name_match (SYMBOL_SEARCH_NAME (psym), lookup_name, NULL); |
561 | } | |
562 | ||
40658b94 PH |
563 | /* Look in PST for a symbol in DOMAIN whose name matches NAME. Search |
564 | the global block of PST if GLOBAL, and otherwise the static block. | |
565 | MATCH is the comparison operation that returns true iff MATCH (s, | |
566 | NAME), where s is a SYMBOL_SEARCH_NAME. If ORDERED_COMPARE is | |
567 | non-null, the symbols in the block are assumed to be ordered | |
568 | according to it (allowing binary search). It must be compatible | |
569 | with MATCH. Returns the symbol, if found, and otherwise NULL. */ | |
570 | ||
571 | static struct partial_symbol * | |
5c80ed9d TT |
572 | match_partial_symbol (struct objfile *objfile, |
573 | struct partial_symtab *pst, int global, | |
40658b94 | 574 | const char *name, domain_enum domain, |
b5ec771e | 575 | symbol_name_match_type match_type, |
2edb89d3 | 576 | symbol_compare_ftype *ordered_compare) |
40658b94 PH |
577 | { |
578 | struct partial_symbol **start, **psym; | |
579 | struct partial_symbol **top, **real_top, **bottom, **center; | |
580 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
581 | int do_linear_search = 1; | |
582 | ||
583 | if (length == 0) | |
b5ec771e PA |
584 | return NULL; |
585 | ||
586 | lookup_name_info lookup_name (name, match_type); | |
587 | ||
40658b94 | 588 | start = (global ? |
af5bf4ad SM |
589 | &objfile->global_psymbols[pst->globals_offset] : |
590 | &objfile->static_psymbols[pst->statics_offset]); | |
40658b94 PH |
591 | |
592 | if (global && ordered_compare) /* Can use a binary search. */ | |
593 | { | |
594 | do_linear_search = 0; | |
595 | ||
596 | /* Binary search. This search is guaranteed to end with center | |
597 | pointing at the earliest partial symbol whose name might be | |
598 | correct. At that point *all* partial symbols with an | |
599 | appropriate name will be checked against the correct | |
600 | domain. */ | |
601 | ||
602 | bottom = start; | |
603 | top = start + length - 1; | |
604 | real_top = top; | |
605 | while (top > bottom) | |
606 | { | |
607 | center = bottom + (top - bottom) / 2; | |
608 | gdb_assert (center < top); | |
b5ec771e PA |
609 | |
610 | enum language lang = SYMBOL_LANGUAGE (*center); | |
611 | const char *lang_ln | |
612 | = lookup_name.language_lookup_name (lang).c_str (); | |
613 | ||
614 | if (ordered_compare (SYMBOL_SEARCH_NAME (*center), lang_ln) >= 0) | |
40658b94 PH |
615 | top = center; |
616 | else | |
617 | bottom = center + 1; | |
618 | } | |
619 | gdb_assert (top == bottom); | |
620 | ||
621 | while (top <= real_top | |
b5ec771e | 622 | && psymbol_name_matches (*top, lookup_name)) |
40658b94 | 623 | { |
4186eb54 KS |
624 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*top), |
625 | SYMBOL_DOMAIN (*top), domain)) | |
40658b94 PH |
626 | return *top; |
627 | top++; | |
628 | } | |
629 | } | |
630 | ||
631 | /* Can't use a binary search or else we found during the binary search that | |
632 | we should also do a linear search. */ | |
633 | ||
634 | if (do_linear_search) | |
635 | { | |
636 | for (psym = start; psym < start + length; psym++) | |
637 | { | |
4186eb54 KS |
638 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym), |
639 | SYMBOL_DOMAIN (*psym), domain) | |
b5ec771e | 640 | && psymbol_name_matches (*psym, lookup_name)) |
40658b94 PH |
641 | return *psym; |
642 | } | |
643 | } | |
644 | ||
645 | return NULL; | |
646 | } | |
647 | ||
c00f8484 KS |
648 | /* Returns the name used to search psymtabs. Unlike symtabs, psymtabs do |
649 | not contain any method/function instance information (since this would | |
650 | force reading type information while reading psymtabs). Therefore, | |
651 | if NAME contains overload information, it must be stripped before searching | |
109483d9 | 652 | psymtabs. */ |
c00f8484 | 653 | |
56f37645 | 654 | static gdb::unique_xmalloc_ptr<char> |
c00f8484 KS |
655 | psymtab_search_name (const char *name) |
656 | { | |
657 | switch (current_language->la_language) | |
658 | { | |
659 | case language_cplus: | |
c00f8484 | 660 | { |
b2a919a8 DE |
661 | if (strchr (name, '(')) |
662 | { | |
109483d9 | 663 | gdb::unique_xmalloc_ptr<char> ret = cp_remove_params (name); |
c00f8484 | 664 | |
b2a919a8 | 665 | if (ret) |
109483d9 | 666 | return ret; |
b2a919a8 | 667 | } |
c00f8484 KS |
668 | } |
669 | break; | |
670 | ||
671 | default: | |
672 | break; | |
673 | } | |
674 | ||
56f37645 | 675 | return gdb::unique_xmalloc_ptr<char> (xstrdup (name)); |
c00f8484 KS |
676 | } |
677 | ||
ccefe4c4 | 678 | /* Look, in partial_symtab PST, for symbol whose natural name is NAME. |
40658b94 | 679 | Check the global symbols if GLOBAL, the static symbols if not. */ |
ccefe4c4 | 680 | |
18430289 | 681 | static struct partial_symbol * |
5c80ed9d TT |
682 | lookup_partial_symbol (struct objfile *objfile, |
683 | struct partial_symtab *pst, const char *name, | |
ccefe4c4 TT |
684 | int global, domain_enum domain) |
685 | { | |
ccefe4c4 TT |
686 | struct partial_symbol **start, **psym; |
687 | struct partial_symbol **top, **real_top, **bottom, **center; | |
688 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
689 | int do_linear_search = 1; | |
690 | ||
691 | if (length == 0) | |
95cf5869 | 692 | return NULL; |
c00f8484 | 693 | |
56f37645 | 694 | gdb::unique_xmalloc_ptr<char> search_name = psymtab_search_name (name); |
b5ec771e PA |
695 | |
696 | lookup_name_info lookup_name (search_name.get (), symbol_name_match_type::FULL); | |
697 | ||
ccefe4c4 | 698 | start = (global ? |
af5bf4ad SM |
699 | &objfile->global_psymbols[pst->globals_offset] : |
700 | &objfile->static_psymbols[pst->statics_offset]); | |
ccefe4c4 | 701 | |
0df8b418 | 702 | if (global) /* This means we can use a binary search. */ |
ccefe4c4 TT |
703 | { |
704 | do_linear_search = 0; | |
705 | ||
706 | /* Binary search. This search is guaranteed to end with center | |
707 | pointing at the earliest partial symbol whose name might be | |
708 | correct. At that point *all* partial symbols with an | |
709 | appropriate name will be checked against the correct | |
710 | domain. */ | |
711 | ||
712 | bottom = start; | |
713 | top = start + length - 1; | |
714 | real_top = top; | |
715 | while (top > bottom) | |
716 | { | |
717 | center = bottom + (top - bottom) / 2; | |
718 | if (!(center < top)) | |
3e43a32a MS |
719 | internal_error (__FILE__, __LINE__, |
720 | _("failed internal consistency check")); | |
c00f8484 | 721 | if (strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*center), |
56f37645 | 722 | search_name.get ()) >= 0) |
ccefe4c4 TT |
723 | { |
724 | top = center; | |
725 | } | |
726 | else | |
727 | { | |
728 | bottom = center + 1; | |
729 | } | |
730 | } | |
731 | if (!(top == bottom)) | |
3e43a32a MS |
732 | internal_error (__FILE__, __LINE__, |
733 | _("failed internal consistency check")); | |
ccefe4c4 | 734 | |
559a7a62 JK |
735 | /* For `case_sensitivity == case_sensitive_off' strcmp_iw_ordered will |
736 | search more exactly than what matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
b5ec771e | 737 | while (top >= start && SYMBOL_MATCHES_SEARCH_NAME (*top, lookup_name)) |
559a7a62 JK |
738 | top--; |
739 | ||
740 | /* Fixup to have a symbol which matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
741 | top++; | |
742 | ||
b5ec771e | 743 | while (top <= real_top && SYMBOL_MATCHES_SEARCH_NAME (*top, lookup_name)) |
ccefe4c4 | 744 | { |
4186eb54 KS |
745 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*top), |
746 | SYMBOL_DOMAIN (*top), domain)) | |
56f37645 | 747 | return *top; |
ccefe4c4 TT |
748 | top++; |
749 | } | |
750 | } | |
751 | ||
752 | /* Can't use a binary search or else we found during the binary search that | |
40658b94 | 753 | we should also do a linear search. */ |
ccefe4c4 TT |
754 | |
755 | if (do_linear_search) | |
756 | { | |
757 | for (psym = start; psym < start + length; psym++) | |
758 | { | |
4186eb54 KS |
759 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym), |
760 | SYMBOL_DOMAIN (*psym), domain) | |
b5ec771e | 761 | && SYMBOL_MATCHES_SEARCH_NAME (*psym, lookup_name)) |
56f37645 | 762 | return *psym; |
ccefe4c4 TT |
763 | } |
764 | } | |
765 | ||
95cf5869 | 766 | return NULL; |
ccefe4c4 TT |
767 | } |
768 | ||
769 | /* Get the symbol table that corresponds to a partial_symtab. | |
f194fefb DE |
770 | This is fast after the first time you do it. |
771 | The result will be NULL if the primary symtab has no symbols, | |
772 | which can happen. Otherwise the result is the primary symtab | |
773 | that contains PST. */ | |
ccefe4c4 | 774 | |
43f3e411 | 775 | static struct compunit_symtab * |
5c80ed9d | 776 | psymtab_to_symtab (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 777 | { |
9439a077 TT |
778 | /* If it is a shared psymtab, find an unshared psymtab that includes |
779 | it. Any such psymtab will do. */ | |
780 | while (pst->user != NULL) | |
781 | pst = pst->user; | |
782 | ||
0df8b418 | 783 | /* If it's been looked up before, return it. */ |
43f3e411 DE |
784 | if (pst->compunit_symtab) |
785 | return pst->compunit_symtab; | |
ccefe4c4 TT |
786 | |
787 | /* If it has not yet been read in, read it. */ | |
788 | if (!pst->readin) | |
789 | { | |
c83dd867 | 790 | scoped_restore decrementer = increment_reading_symtab (); |
ad3bbd48 | 791 | |
257e7a09 | 792 | (*pst->read_symtab) (pst, objfile); |
ccefe4c4 TT |
793 | } |
794 | ||
43f3e411 | 795 | return pst->compunit_symtab; |
ccefe4c4 TT |
796 | } |
797 | ||
95cf5869 DE |
798 | /* Psymtab version of relocate. See its definition in |
799 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 800 | |
ccefe4c4 | 801 | static void |
83827540 DE |
802 | psym_relocate (struct objfile *objfile, |
803 | const struct section_offsets *new_offsets, | |
804 | const struct section_offsets *delta) | |
ccefe4c4 | 805 | { |
ccefe4c4 TT |
806 | struct partial_symtab *p; |
807 | ||
b11896a5 | 808 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) |
ccefe4c4 TT |
809 | { |
810 | p->textlow += ANOFFSET (delta, SECT_OFF_TEXT (objfile)); | |
811 | p->texthigh += ANOFFSET (delta, SECT_OFF_TEXT (objfile)); | |
812 | } | |
813 | ||
af5bf4ad | 814 | for (partial_symbol *psym : objfile->global_psymbols) |
ccefe4c4 | 815 | { |
af5bf4ad SM |
816 | fixup_psymbol_section (psym, objfile); |
817 | if (SYMBOL_SECTION (psym) >= 0) | |
818 | SYMBOL_VALUE_ADDRESS (psym) += ANOFFSET (delta, SYMBOL_SECTION (psym)); | |
ccefe4c4 | 819 | } |
af5bf4ad | 820 | for (partial_symbol *psym : objfile->static_psymbols) |
ccefe4c4 | 821 | { |
af5bf4ad SM |
822 | fixup_psymbol_section (psym, objfile); |
823 | if (SYMBOL_SECTION (psym) >= 0) | |
824 | SYMBOL_VALUE_ADDRESS (psym) += ANOFFSET (delta, SYMBOL_SECTION (psym)); | |
ccefe4c4 | 825 | } |
71a3c369 TT |
826 | |
827 | objfile->psymbol_map.clear (); | |
ccefe4c4 TT |
828 | } |
829 | ||
95cf5869 DE |
830 | /* Psymtab version of find_last_source_symtab. See its definition in |
831 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 832 | |
ccefe4c4 | 833 | static struct symtab * |
83827540 | 834 | psym_find_last_source_symtab (struct objfile *ofp) |
ccefe4c4 | 835 | { |
ccefe4c4 | 836 | struct partial_symtab *ps; |
95cf5869 | 837 | struct partial_symtab *cs_pst = NULL; |
ccefe4c4 | 838 | |
b11896a5 | 839 | ALL_OBJFILE_PSYMTABS_REQUIRED (ofp, ps) |
ccefe4c4 TT |
840 | { |
841 | const char *name = ps->filename; | |
842 | int len = strlen (name); | |
ad3bbd48 | 843 | |
ccefe4c4 TT |
844 | if (!(len > 2 && (strcmp (&name[len - 2], ".h") == 0 |
845 | || strcmp (name, "<<C++-namespaces>>") == 0))) | |
846 | cs_pst = ps; | |
847 | } | |
848 | ||
849 | if (cs_pst) | |
850 | { | |
851 | if (cs_pst->readin) | |
852 | { | |
853 | internal_error (__FILE__, __LINE__, | |
854 | _("select_source_symtab: " | |
855 | "readin pst found and no symtabs.")); | |
856 | } | |
857 | else | |
43f3e411 DE |
858 | { |
859 | struct compunit_symtab *cust = psymtab_to_symtab (ofp, cs_pst); | |
860 | ||
861 | if (cust == NULL) | |
862 | return NULL; | |
863 | return compunit_primary_filetab (cust); | |
864 | } | |
ccefe4c4 TT |
865 | } |
866 | return NULL; | |
867 | } | |
868 | ||
95cf5869 DE |
869 | /* Psymtab version of forget_cached_source_info. See its definition in |
870 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 871 | |
ccefe4c4 | 872 | static void |
83827540 | 873 | psym_forget_cached_source_info (struct objfile *objfile) |
ccefe4c4 TT |
874 | { |
875 | struct partial_symtab *pst; | |
876 | ||
b11896a5 | 877 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
ccefe4c4 TT |
878 | { |
879 | if (pst->fullname != NULL) | |
880 | { | |
881 | xfree (pst->fullname); | |
882 | pst->fullname = NULL; | |
883 | } | |
884 | } | |
885 | } | |
886 | ||
887 | static void | |
888 | print_partial_symbols (struct gdbarch *gdbarch, | |
a121b7c1 | 889 | struct partial_symbol **p, int count, const char *what, |
ccefe4c4 TT |
890 | struct ui_file *outfile) |
891 | { | |
892 | fprintf_filtered (outfile, " %s partial symbols:\n", what); | |
893 | while (count-- > 0) | |
894 | { | |
27618ce4 | 895 | QUIT; |
ccefe4c4 TT |
896 | fprintf_filtered (outfile, " `%s'", SYMBOL_LINKAGE_NAME (*p)); |
897 | if (SYMBOL_DEMANGLED_NAME (*p) != NULL) | |
898 | { | |
899 | fprintf_filtered (outfile, " `%s'", SYMBOL_DEMANGLED_NAME (*p)); | |
900 | } | |
901 | fputs_filtered (", ", outfile); | |
902 | switch (SYMBOL_DOMAIN (*p)) | |
903 | { | |
904 | case UNDEF_DOMAIN: | |
905 | fputs_filtered ("undefined domain, ", outfile); | |
906 | break; | |
907 | case VAR_DOMAIN: | |
0df8b418 | 908 | /* This is the usual thing -- don't print it. */ |
ccefe4c4 TT |
909 | break; |
910 | case STRUCT_DOMAIN: | |
911 | fputs_filtered ("struct domain, ", outfile); | |
912 | break; | |
913 | case LABEL_DOMAIN: | |
914 | fputs_filtered ("label domain, ", outfile); | |
915 | break; | |
916 | default: | |
917 | fputs_filtered ("<invalid domain>, ", outfile); | |
918 | break; | |
919 | } | |
dbccfd4c | 920 | switch (PSYMBOL_CLASS (*p)) |
ccefe4c4 TT |
921 | { |
922 | case LOC_UNDEF: | |
923 | fputs_filtered ("undefined", outfile); | |
924 | break; | |
925 | case LOC_CONST: | |
926 | fputs_filtered ("constant int", outfile); | |
927 | break; | |
928 | case LOC_STATIC: | |
929 | fputs_filtered ("static", outfile); | |
930 | break; | |
931 | case LOC_REGISTER: | |
932 | fputs_filtered ("register", outfile); | |
933 | break; | |
934 | case LOC_ARG: | |
935 | fputs_filtered ("pass by value", outfile); | |
936 | break; | |
937 | case LOC_REF_ARG: | |
938 | fputs_filtered ("pass by reference", outfile); | |
939 | break; | |
940 | case LOC_REGPARM_ADDR: | |
941 | fputs_filtered ("register address parameter", outfile); | |
942 | break; | |
943 | case LOC_LOCAL: | |
944 | fputs_filtered ("stack parameter", outfile); | |
945 | break; | |
946 | case LOC_TYPEDEF: | |
947 | fputs_filtered ("type", outfile); | |
948 | break; | |
949 | case LOC_LABEL: | |
950 | fputs_filtered ("label", outfile); | |
951 | break; | |
952 | case LOC_BLOCK: | |
953 | fputs_filtered ("function", outfile); | |
954 | break; | |
955 | case LOC_CONST_BYTES: | |
956 | fputs_filtered ("constant bytes", outfile); | |
957 | break; | |
958 | case LOC_UNRESOLVED: | |
959 | fputs_filtered ("unresolved", outfile); | |
960 | break; | |
961 | case LOC_OPTIMIZED_OUT: | |
962 | fputs_filtered ("optimized out", outfile); | |
963 | break; | |
964 | case LOC_COMPUTED: | |
965 | fputs_filtered ("computed at runtime", outfile); | |
966 | break; | |
967 | default: | |
968 | fputs_filtered ("<invalid location>", outfile); | |
969 | break; | |
970 | } | |
971 | fputs_filtered (", ", outfile); | |
972 | fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (*p)), outfile); | |
973 | fprintf_filtered (outfile, "\n"); | |
974 | p++; | |
975 | } | |
976 | } | |
977 | ||
978 | static void | |
979 | dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab, | |
980 | struct ui_file *outfile) | |
981 | { | |
982 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
983 | int i; | |
984 | ||
b4c41fc7 DE |
985 | if (psymtab->anonymous) |
986 | { | |
987 | fprintf_filtered (outfile, "\nAnonymous partial symtab (%s) ", | |
988 | psymtab->filename); | |
989 | } | |
990 | else | |
991 | { | |
992 | fprintf_filtered (outfile, "\nPartial symtab for source file %s ", | |
993 | psymtab->filename); | |
994 | } | |
ccefe4c4 TT |
995 | fprintf_filtered (outfile, "(object "); |
996 | gdb_print_host_address (psymtab, outfile); | |
997 | fprintf_filtered (outfile, ")\n\n"); | |
998 | fprintf_unfiltered (outfile, " Read from object file %s (", | |
4262abfb | 999 | objfile_name (objfile)); |
ccefe4c4 TT |
1000 | gdb_print_host_address (objfile, outfile); |
1001 | fprintf_unfiltered (outfile, ")\n"); | |
1002 | ||
1003 | if (psymtab->readin) | |
1004 | { | |
1005 | fprintf_filtered (outfile, | |
1006 | " Full symtab was read (at "); | |
43f3e411 | 1007 | gdb_print_host_address (psymtab->compunit_symtab, outfile); |
ccefe4c4 TT |
1008 | fprintf_filtered (outfile, " by function at "); |
1009 | gdb_print_host_address (psymtab->read_symtab, outfile); | |
1010 | fprintf_filtered (outfile, ")\n"); | |
1011 | } | |
1012 | ||
ccefe4c4 TT |
1013 | fprintf_filtered (outfile, " Symbols cover text addresses "); |
1014 | fputs_filtered (paddress (gdbarch, psymtab->textlow), outfile); | |
1015 | fprintf_filtered (outfile, "-"); | |
1016 | fputs_filtered (paddress (gdbarch, psymtab->texthigh), outfile); | |
1017 | fprintf_filtered (outfile, "\n"); | |
9750bca9 JK |
1018 | fprintf_filtered (outfile, " Address map supported - %s.\n", |
1019 | psymtab->psymtabs_addrmap_supported ? "yes" : "no"); | |
ccefe4c4 TT |
1020 | fprintf_filtered (outfile, " Depends on %d other partial symtabs.\n", |
1021 | psymtab->number_of_dependencies); | |
1022 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
1023 | { | |
1024 | fprintf_filtered (outfile, " %d ", i); | |
1025 | gdb_print_host_address (psymtab->dependencies[i], outfile); | |
1026 | fprintf_filtered (outfile, " %s\n", | |
1027 | psymtab->dependencies[i]->filename); | |
1028 | } | |
9439a077 TT |
1029 | if (psymtab->user != NULL) |
1030 | { | |
1031 | fprintf_filtered (outfile, " Shared partial symtab with user "); | |
1032 | gdb_print_host_address (psymtab->user, outfile); | |
1033 | fprintf_filtered (outfile, "\n"); | |
1034 | } | |
ccefe4c4 TT |
1035 | if (psymtab->n_global_syms > 0) |
1036 | { | |
1037 | print_partial_symbols (gdbarch, | |
af5bf4ad | 1038 | &objfile->global_psymbols[psymtab->globals_offset], |
ccefe4c4 TT |
1039 | psymtab->n_global_syms, "Global", outfile); |
1040 | } | |
1041 | if (psymtab->n_static_syms > 0) | |
1042 | { | |
1043 | print_partial_symbols (gdbarch, | |
af5bf4ad | 1044 | &objfile->static_psymbols[psymtab->statics_offset], |
ccefe4c4 TT |
1045 | psymtab->n_static_syms, "Static", outfile); |
1046 | } | |
1047 | fprintf_filtered (outfile, "\n"); | |
1048 | } | |
1049 | ||
95cf5869 DE |
1050 | /* Psymtab version of print_stats. See its definition in |
1051 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1052 | |
ccefe4c4 | 1053 | static void |
83827540 | 1054 | psym_print_stats (struct objfile *objfile) |
ccefe4c4 TT |
1055 | { |
1056 | int i; | |
1057 | struct partial_symtab *ps; | |
ad3bbd48 | 1058 | |
ccefe4c4 | 1059 | i = 0; |
b11896a5 | 1060 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1061 | { |
1062 | if (ps->readin == 0) | |
1063 | i++; | |
1064 | } | |
1065 | printf_filtered (_(" Number of psym tables (not yet expanded): %d\n"), i); | |
1066 | } | |
1067 | ||
95cf5869 DE |
1068 | /* Psymtab version of dump. See its definition in |
1069 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1070 | |
ccefe4c4 | 1071 | static void |
83827540 | 1072 | psym_dump (struct objfile *objfile) |
ccefe4c4 TT |
1073 | { |
1074 | struct partial_symtab *psymtab; | |
1075 | ||
1076 | if (objfile->psymtabs) | |
1077 | { | |
1078 | printf_filtered ("Psymtabs:\n"); | |
1079 | for (psymtab = objfile->psymtabs; | |
1080 | psymtab != NULL; | |
1081 | psymtab = psymtab->next) | |
1082 | { | |
1083 | printf_filtered ("%s at ", | |
1084 | psymtab->filename); | |
1085 | gdb_print_host_address (psymtab, gdb_stdout); | |
1086 | printf_filtered (", "); | |
ccefe4c4 TT |
1087 | wrap_here (" "); |
1088 | } | |
1089 | printf_filtered ("\n\n"); | |
1090 | } | |
1091 | } | |
1092 | ||
95cf5869 DE |
1093 | /* Psymtab version of expand_symtabs_for_function. See its definition in |
1094 | the definition of quick_symbol_functions in symfile.h. */ | |
ccefe4c4 TT |
1095 | |
1096 | static void | |
83827540 DE |
1097 | psym_expand_symtabs_for_function (struct objfile *objfile, |
1098 | const char *func_name) | |
ccefe4c4 TT |
1099 | { |
1100 | struct partial_symtab *ps; | |
1101 | ||
b11896a5 | 1102 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1103 | { |
1104 | if (ps->readin) | |
1105 | continue; | |
1106 | ||
5c80ed9d | 1107 | if ((lookup_partial_symbol (objfile, ps, func_name, 1, VAR_DOMAIN) |
ccefe4c4 | 1108 | != NULL) |
5c80ed9d | 1109 | || (lookup_partial_symbol (objfile, ps, func_name, 0, VAR_DOMAIN) |
ccefe4c4 | 1110 | != NULL)) |
5c80ed9d | 1111 | psymtab_to_symtab (objfile, ps); |
ccefe4c4 TT |
1112 | } |
1113 | } | |
1114 | ||
95cf5869 DE |
1115 | /* Psymtab version of expand_all_symtabs. See its definition in |
1116 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1117 | |
ccefe4c4 | 1118 | static void |
83827540 | 1119 | psym_expand_all_symtabs (struct objfile *objfile) |
ccefe4c4 TT |
1120 | { |
1121 | struct partial_symtab *psymtab; | |
1122 | ||
b11896a5 | 1123 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab) |
ccefe4c4 | 1124 | { |
5c80ed9d | 1125 | psymtab_to_symtab (objfile, psymtab); |
ccefe4c4 TT |
1126 | } |
1127 | } | |
1128 | ||
95cf5869 DE |
1129 | /* Psymtab version of expand_symtabs_with_fullname. See its definition in |
1130 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1131 | |
ccefe4c4 | 1132 | static void |
83827540 DE |
1133 | psym_expand_symtabs_with_fullname (struct objfile *objfile, |
1134 | const char *fullname) | |
ccefe4c4 TT |
1135 | { |
1136 | struct partial_symtab *p; | |
1137 | ||
b11896a5 | 1138 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) |
ccefe4c4 | 1139 | { |
b4c41fc7 DE |
1140 | /* Anonymous psymtabs don't have a name of a source file. */ |
1141 | if (p->anonymous) | |
1142 | continue; | |
1143 | ||
5ff888ce DE |
1144 | /* psymtab_to_fullname tries to open the file which is slow. |
1145 | Don't call it if we know the basenames don't match. */ | |
1146 | if ((basenames_may_differ | |
1147 | || filename_cmp (lbasename (fullname), lbasename (p->filename)) == 0) | |
1148 | && filename_cmp (fullname, psymtab_to_fullname (p)) == 0) | |
5c80ed9d | 1149 | psymtab_to_symtab (objfile, p); |
ccefe4c4 TT |
1150 | } |
1151 | } | |
1152 | ||
95cf5869 DE |
1153 | /* Psymtab version of map_symbol_filenames. See its definition in |
1154 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1155 | |
ccefe4c4 | 1156 | static void |
83827540 DE |
1157 | psym_map_symbol_filenames (struct objfile *objfile, |
1158 | symbol_filename_ftype *fun, void *data, | |
1159 | int need_fullname) | |
ccefe4c4 TT |
1160 | { |
1161 | struct partial_symtab *ps; | |
1162 | ||
b11896a5 | 1163 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1164 | { |
1165 | const char *fullname; | |
1166 | ||
1167 | if (ps->readin) | |
1168 | continue; | |
1169 | ||
f80c6f3f DE |
1170 | /* We can skip shared psymtabs here, because any file name will be |
1171 | attached to the unshared psymtab. */ | |
1172 | if (ps->user != NULL) | |
1173 | continue; | |
1174 | ||
b4c41fc7 DE |
1175 | /* Anonymous psymtabs don't have a file name. */ |
1176 | if (ps->anonymous) | |
1177 | continue; | |
1178 | ||
821296b7 | 1179 | QUIT; |
74e2f255 DE |
1180 | if (need_fullname) |
1181 | fullname = psymtab_to_fullname (ps); | |
1182 | else | |
1183 | fullname = NULL; | |
2837d59e | 1184 | (*fun) (ps->filename, fullname, data); |
ccefe4c4 TT |
1185 | } |
1186 | } | |
1187 | ||
ccefe4c4 TT |
1188 | /* Finds the fullname that a partial_symtab represents. |
1189 | ||
1190 | If this functions finds the fullname, it will save it in ps->fullname | |
1191 | and it will also return the value. | |
1192 | ||
1193 | If this function fails to find the file that this partial_symtab represents, | |
1194 | NULL will be returned and ps->fullname will be set to NULL. */ | |
256f06f3 | 1195 | |
da5132d3 | 1196 | static const char * |
ccefe4c4 TT |
1197 | psymtab_to_fullname (struct partial_symtab *ps) |
1198 | { | |
fbd9ab74 | 1199 | gdb_assert (!ps->anonymous); |
ccefe4c4 | 1200 | |
256f06f3 DE |
1201 | /* Use cached copy if we have it. |
1202 | We rely on forget_cached_source_info being called appropriately | |
1203 | to handle cases like the file being moved. */ | |
fbd9ab74 JK |
1204 | if (ps->fullname == NULL) |
1205 | { | |
e0cc99a6 TT |
1206 | gdb::unique_xmalloc_ptr<char> fullname; |
1207 | int fd = find_and_open_source (ps->filename, ps->dirname, &fullname); | |
1208 | ps->fullname = fullname.release (); | |
256f06f3 | 1209 | |
fbd9ab74 JK |
1210 | if (fd >= 0) |
1211 | close (fd); | |
1212 | else | |
1213 | { | |
fbd9ab74 JK |
1214 | /* rewrite_source_path would be applied by find_and_open_source, we |
1215 | should report the pathname where GDB tried to find the file. */ | |
ccefe4c4 | 1216 | |
fbd9ab74 | 1217 | if (ps->dirname == NULL || IS_ABSOLUTE_PATH (ps->filename)) |
0b581c69 | 1218 | fullname.reset (xstrdup (ps->filename)); |
fbd9ab74 | 1219 | else |
0b581c69 TT |
1220 | fullname.reset (concat (ps->dirname, SLASH_STRING, |
1221 | ps->filename, (char *) NULL)); | |
fbd9ab74 | 1222 | |
0b581c69 | 1223 | ps->fullname = rewrite_source_path (fullname.get ()).release (); |
fbd9ab74 | 1224 | if (ps->fullname == NULL) |
0b581c69 | 1225 | ps->fullname = fullname.release (); |
fbd9ab74 | 1226 | } |
95cf5869 | 1227 | } |
fbd9ab74 JK |
1228 | |
1229 | return ps->fullname; | |
ccefe4c4 TT |
1230 | } |
1231 | ||
95cf5869 DE |
1232 | /* For all symbols, s, in BLOCK that are in DOMAIN and match NAME |
1233 | according to the function MATCH, call CALLBACK(BLOCK, s, DATA). | |
1234 | BLOCK is assumed to come from OBJFILE. Returns 1 iff CALLBACK | |
1235 | ever returns non-zero, and otherwise returns 0. */ | |
ccefe4c4 | 1236 | |
40658b94 | 1237 | static int |
fe978cb0 | 1238 | map_block (const char *name, domain_enum domain, struct objfile *objfile, |
40658b94 PH |
1239 | struct block *block, |
1240 | int (*callback) (struct block *, struct symbol *, void *), | |
b5ec771e | 1241 | void *data, symbol_name_match_type match) |
ccefe4c4 | 1242 | { |
8157b174 | 1243 | struct block_iterator iter; |
40658b94 | 1244 | struct symbol *sym; |
ccefe4c4 | 1245 | |
b5ec771e PA |
1246 | lookup_name_info lookup_name (name, match); |
1247 | ||
1248 | for (sym = block_iter_match_first (block, lookup_name, &iter); | |
1249 | sym != NULL; | |
1250 | sym = block_iter_match_next (lookup_name, &iter)) | |
ccefe4c4 | 1251 | { |
95cf5869 | 1252 | if (symbol_matches_domain (SYMBOL_LANGUAGE (sym), |
fe978cb0 | 1253 | SYMBOL_DOMAIN (sym), domain)) |
40658b94 PH |
1254 | { |
1255 | if (callback (block, sym, data)) | |
1256 | return 1; | |
1257 | } | |
ccefe4c4 TT |
1258 | } |
1259 | ||
40658b94 | 1260 | return 0; |
ccefe4c4 TT |
1261 | } |
1262 | ||
95cf5869 DE |
1263 | /* Psymtab version of map_matching_symbols. See its definition in |
1264 | the definition of quick_symbol_functions in symfile.h. */ | |
40658b94 | 1265 | |
ccefe4c4 | 1266 | static void |
83827540 | 1267 | psym_map_matching_symbols (struct objfile *objfile, |
fe978cb0 | 1268 | const char *name, domain_enum domain, |
83827540 DE |
1269 | int global, |
1270 | int (*callback) (struct block *, | |
1271 | struct symbol *, void *), | |
1272 | void *data, | |
b5ec771e | 1273 | symbol_name_match_type match, |
83827540 | 1274 | symbol_compare_ftype *ordered_compare) |
ccefe4c4 | 1275 | { |
40658b94 | 1276 | const int block_kind = global ? GLOBAL_BLOCK : STATIC_BLOCK; |
ccefe4c4 TT |
1277 | struct partial_symtab *ps; |
1278 | ||
b11896a5 | 1279 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1280 | { |
1281 | QUIT; | |
1282 | if (ps->readin | |
fe978cb0 | 1283 | || match_partial_symbol (objfile, ps, global, name, domain, match, |
40658b94 | 1284 | ordered_compare)) |
ccefe4c4 | 1285 | { |
43f3e411 | 1286 | struct compunit_symtab *cust = psymtab_to_symtab (objfile, ps); |
40658b94 | 1287 | struct block *block; |
ad3bbd48 | 1288 | |
43f3e411 | 1289 | if (cust == NULL) |
ccefe4c4 | 1290 | continue; |
43f3e411 | 1291 | block = BLOCKVECTOR_BLOCK (COMPUNIT_BLOCKVECTOR (cust), block_kind); |
fe978cb0 | 1292 | if (map_block (name, domain, objfile, block, |
40658b94 PH |
1293 | callback, data, match)) |
1294 | return; | |
1295 | if (callback (block, NULL, data)) | |
1296 | return; | |
ccefe4c4 TT |
1297 | } |
1298 | } | |
95cf5869 | 1299 | } |
ccefe4c4 | 1300 | |
14bc53a8 PA |
1301 | /* A helper for psym_expand_symtabs_matching that handles searching |
1302 | included psymtabs. This returns true if a symbol is found, and | |
1303 | false otherwise. It also updates the 'searched_flag' on the | |
9439a077 TT |
1304 | various psymtabs that it searches. */ |
1305 | ||
14bc53a8 PA |
1306 | static bool |
1307 | recursively_search_psymtabs | |
b5ec771e PA |
1308 | (struct partial_symtab *ps, struct objfile *objfile, enum search_domain domain, |
1309 | const lookup_name_info &lookup_name, | |
14bc53a8 | 1310 | gdb::function_view<expand_symtabs_symbol_matcher_ftype> sym_matcher) |
9439a077 | 1311 | { |
9439a077 | 1312 | int keep_going = 1; |
f486487f | 1313 | enum psymtab_search_status result = PST_SEARCHED_AND_NOT_FOUND; |
9439a077 TT |
1314 | int i; |
1315 | ||
1316 | if (ps->searched_flag != PST_NOT_SEARCHED) | |
1317 | return ps->searched_flag == PST_SEARCHED_AND_FOUND; | |
1318 | ||
1319 | /* Recurse into shared psymtabs first, because they may have already | |
1320 | been searched, and this could save some time. */ | |
1321 | for (i = 0; i < ps->number_of_dependencies; ++i) | |
1322 | { | |
1323 | int r; | |
1324 | ||
1325 | /* Skip non-shared dependencies, these are handled elsewhere. */ | |
1326 | if (ps->dependencies[i]->user == NULL) | |
1327 | continue; | |
1328 | ||
1329 | r = recursively_search_psymtabs (ps->dependencies[i], | |
b5ec771e PA |
1330 | objfile, domain, lookup_name, |
1331 | sym_matcher); | |
9439a077 TT |
1332 | if (r != 0) |
1333 | { | |
1334 | ps->searched_flag = PST_SEARCHED_AND_FOUND; | |
14bc53a8 | 1335 | return true; |
9439a077 TT |
1336 | } |
1337 | } | |
1338 | ||
af5bf4ad | 1339 | partial_symbol **gbound |
47fea877 | 1340 | = objfile->global_psymbols.data () + ps->globals_offset + ps->n_global_syms; |
af5bf4ad | 1341 | partial_symbol **sbound |
47fea877 | 1342 | = objfile->static_psymbols.data () + ps->statics_offset + ps->n_static_syms; |
af5bf4ad | 1343 | partial_symbol **bound = gbound; |
9439a077 TT |
1344 | |
1345 | /* Go through all of the symbols stored in a partial | |
1346 | symtab in one loop. */ | |
47fea877 | 1347 | partial_symbol **psym = objfile->global_psymbols.data () + ps->globals_offset; |
9439a077 TT |
1348 | while (keep_going) |
1349 | { | |
1350 | if (psym >= bound) | |
1351 | { | |
1352 | if (bound == gbound && ps->n_static_syms != 0) | |
1353 | { | |
47fea877 | 1354 | psym = objfile->static_psymbols.data () + ps->statics_offset; |
9439a077 TT |
1355 | bound = sbound; |
1356 | } | |
1357 | else | |
1358 | keep_going = 0; | |
1359 | continue; | |
1360 | } | |
1361 | else | |
1362 | { | |
1363 | QUIT; | |
1364 | ||
b5ec771e PA |
1365 | if ((domain == ALL_DOMAIN |
1366 | || (domain == VARIABLES_DOMAIN | |
dbccfd4c TT |
1367 | && PSYMBOL_CLASS (*psym) != LOC_TYPEDEF |
1368 | && PSYMBOL_CLASS (*psym) != LOC_BLOCK) | |
b5ec771e | 1369 | || (domain == FUNCTIONS_DOMAIN |
dbccfd4c | 1370 | && PSYMBOL_CLASS (*psym) == LOC_BLOCK) |
b5ec771e | 1371 | || (domain == TYPES_DOMAIN |
dbccfd4c | 1372 | && PSYMBOL_CLASS (*psym) == LOC_TYPEDEF)) |
b5ec771e PA |
1373 | && psymbol_name_matches (*psym, lookup_name) |
1374 | && (sym_matcher == NULL || sym_matcher (SYMBOL_SEARCH_NAME (*psym)))) | |
9439a077 TT |
1375 | { |
1376 | /* Found a match, so notify our caller. */ | |
1377 | result = PST_SEARCHED_AND_FOUND; | |
1378 | keep_going = 0; | |
1379 | } | |
1380 | } | |
1381 | psym++; | |
1382 | } | |
1383 | ||
1384 | ps->searched_flag = result; | |
1385 | return result == PST_SEARCHED_AND_FOUND; | |
1386 | } | |
1387 | ||
95cf5869 DE |
1388 | /* Psymtab version of expand_symtabs_matching. See its definition in |
1389 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1390 | |
ccefe4c4 | 1391 | static void |
83827540 | 1392 | psym_expand_symtabs_matching |
f8eba3c6 | 1393 | (struct objfile *objfile, |
14bc53a8 | 1394 | gdb::function_view<expand_symtabs_file_matcher_ftype> file_matcher, |
c62446b1 | 1395 | const lookup_name_info &lookup_name_in, |
14bc53a8 PA |
1396 | gdb::function_view<expand_symtabs_symbol_matcher_ftype> symbol_matcher, |
1397 | gdb::function_view<expand_symtabs_exp_notify_ftype> expansion_notify, | |
b5ec771e | 1398 | enum search_domain domain) |
ccefe4c4 TT |
1399 | { |
1400 | struct partial_symtab *ps; | |
1401 | ||
c62446b1 PA |
1402 | lookup_name_info lookup_name = lookup_name_in.make_ignore_params (); |
1403 | ||
9439a077 | 1404 | /* Clear the search flags. */ |
b11896a5 | 1405 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 | 1406 | { |
9439a077 TT |
1407 | ps->searched_flag = PST_NOT_SEARCHED; |
1408 | } | |
ccefe4c4 | 1409 | |
9439a077 TT |
1410 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
1411 | { | |
30b3dd9d DE |
1412 | QUIT; |
1413 | ||
ccefe4c4 TT |
1414 | if (ps->readin) |
1415 | continue; | |
1416 | ||
9439a077 TT |
1417 | /* We skip shared psymtabs because file-matching doesn't apply |
1418 | to them; but we search them later in the loop. */ | |
1419 | if (ps->user != NULL) | |
ccefe4c4 TT |
1420 | continue; |
1421 | ||
b4c41fc7 DE |
1422 | if (file_matcher) |
1423 | { | |
14bc53a8 | 1424 | bool match; |
680d1742 | 1425 | |
b4c41fc7 DE |
1426 | if (ps->anonymous) |
1427 | continue; | |
fbd9ab74 | 1428 | |
14bc53a8 | 1429 | match = file_matcher (ps->filename, false); |
680d1742 DE |
1430 | if (!match) |
1431 | { | |
1432 | /* Before we invoke realpath, which can get expensive when many | |
1433 | files are involved, do a quick comparison of the basenames. */ | |
1434 | if (basenames_may_differ | |
14bc53a8 PA |
1435 | || file_matcher (lbasename (ps->filename), true)) |
1436 | match = file_matcher (psymtab_to_fullname (ps), false); | |
680d1742 DE |
1437 | } |
1438 | if (!match) | |
b4c41fc7 DE |
1439 | continue; |
1440 | } | |
ccefe4c4 | 1441 | |
b5ec771e PA |
1442 | if (recursively_search_psymtabs (ps, objfile, domain, |
1443 | lookup_name, symbol_matcher)) | |
276d885b GB |
1444 | { |
1445 | struct compunit_symtab *symtab = | |
1446 | psymtab_to_symtab (objfile, ps); | |
1447 | ||
1448 | if (expansion_notify != NULL) | |
14bc53a8 | 1449 | expansion_notify (symtab); |
276d885b | 1450 | } |
ccefe4c4 TT |
1451 | } |
1452 | } | |
1453 | ||
95cf5869 DE |
1454 | /* Psymtab version of has_symbols. See its definition in |
1455 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1456 | |
ccefe4c4 | 1457 | static int |
83827540 | 1458 | psym_has_symbols (struct objfile *objfile) |
ccefe4c4 TT |
1459 | { |
1460 | return objfile->psymtabs != NULL; | |
1461 | } | |
1462 | ||
71a3c369 TT |
1463 | /* Helper function for psym_find_compunit_symtab_by_address that fills |
1464 | in psymbol_map for a given range of psymbols. */ | |
1465 | ||
1466 | static void | |
1467 | psym_fill_psymbol_map (struct objfile *objfile, | |
1468 | struct partial_symtab *psymtab, | |
1469 | std::set<CORE_ADDR> *seen_addrs, | |
1470 | const std::vector<partial_symbol *> &symbols, | |
1471 | int start, | |
1472 | int length) | |
1473 | { | |
1474 | for (int i = 0; i < length; ++i) | |
1475 | { | |
1476 | struct partial_symbol *psym = symbols[start + i]; | |
1477 | ||
1478 | if (PSYMBOL_CLASS (psym) == LOC_STATIC) | |
1479 | { | |
1480 | CORE_ADDR addr = SYMBOL_VALUE_ADDRESS (psym); | |
1481 | if (seen_addrs->find (addr) == seen_addrs->end ()) | |
1482 | { | |
1483 | seen_addrs->insert (addr); | |
1484 | objfile->psymbol_map.emplace_back (addr, psymtab); | |
1485 | } | |
1486 | } | |
1487 | } | |
1488 | } | |
1489 | ||
1490 | /* See find_compunit_symtab_by_address in quick_symbol_functions, in | |
1491 | symfile.h. */ | |
1492 | ||
1493 | static compunit_symtab * | |
1494 | psym_find_compunit_symtab_by_address (struct objfile *objfile, | |
1495 | CORE_ADDR address) | |
1496 | { | |
1497 | if (objfile->psymbol_map.empty ()) | |
1498 | { | |
1499 | struct partial_symtab *pst; | |
1500 | ||
1501 | std::set<CORE_ADDR> seen_addrs; | |
1502 | ||
1503 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) | |
1504 | { | |
1505 | psym_fill_psymbol_map (objfile, pst, | |
1506 | &seen_addrs, | |
1507 | objfile->global_psymbols, | |
1508 | pst->globals_offset, | |
1509 | pst->n_global_syms); | |
1510 | psym_fill_psymbol_map (objfile, pst, | |
1511 | &seen_addrs, | |
1512 | objfile->static_psymbols, | |
1513 | pst->statics_offset, | |
1514 | pst->n_static_syms); | |
1515 | } | |
1516 | ||
1517 | objfile->psymbol_map.shrink_to_fit (); | |
1518 | ||
1519 | std::sort (objfile->psymbol_map.begin (), objfile->psymbol_map.end (), | |
1520 | [] (const std::pair<CORE_ADDR, partial_symtab *> &a, | |
1521 | const std::pair<CORE_ADDR, partial_symtab *> &b) | |
1522 | { | |
1523 | return a.first < b.first; | |
1524 | }); | |
1525 | } | |
1526 | ||
1527 | auto iter = std::lower_bound | |
1528 | (objfile->psymbol_map.begin (), objfile->psymbol_map.end (), address, | |
1529 | [] (const std::pair<CORE_ADDR, partial_symtab *> &a, | |
1530 | CORE_ADDR b) | |
1531 | { | |
1532 | return a.first < b; | |
1533 | }); | |
1534 | ||
1535 | if (iter == objfile->psymbol_map.end () || iter->first != address) | |
1536 | return NULL; | |
1537 | ||
1538 | return psymtab_to_symtab (objfile, iter->second); | |
1539 | } | |
1540 | ||
ccefe4c4 TT |
1541 | const struct quick_symbol_functions psym_functions = |
1542 | { | |
83827540 DE |
1543 | psym_has_symbols, |
1544 | psym_find_last_source_symtab, | |
1545 | psym_forget_cached_source_info, | |
1546 | psym_map_symtabs_matching_filename, | |
1547 | psym_lookup_symbol, | |
1548 | psym_print_stats, | |
1549 | psym_dump, | |
1550 | psym_relocate, | |
1551 | psym_expand_symtabs_for_function, | |
1552 | psym_expand_all_symtabs, | |
1553 | psym_expand_symtabs_with_fullname, | |
1554 | psym_map_matching_symbols, | |
1555 | psym_expand_symtabs_matching, | |
1556 | psym_find_pc_sect_compunit_symtab, | |
71a3c369 | 1557 | psym_find_compunit_symtab_by_address, |
83827540 | 1558 | psym_map_symbol_filenames |
ccefe4c4 TT |
1559 | }; |
1560 | ||
1561 | \f | |
1562 | ||
8763cede | 1563 | static void |
5c80ed9d | 1564 | sort_pst_symbols (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 1565 | { |
0df8b418 | 1566 | /* Sort the global list; don't sort the static list. */ |
af5bf4ad SM |
1567 | auto begin = objfile->global_psymbols.begin (); |
1568 | std::advance (begin, pst->globals_offset); | |
1569 | ||
1570 | /* The psymbols for this partial_symtab are currently at the end of the | |
1571 | vector. */ | |
1572 | auto end = objfile->global_psymbols.end (); | |
ccefe4c4 | 1573 | |
af5bf4ad SM |
1574 | std::sort (begin, end, [] (partial_symbol *s1, partial_symbol *s2) |
1575 | { | |
1576 | return strcmp_iw_ordered (SYMBOL_SEARCH_NAME (s1), | |
1577 | SYMBOL_SEARCH_NAME (s2)) < 0; | |
1578 | }); | |
ccefe4c4 TT |
1579 | } |
1580 | ||
1581 | /* Allocate and partially fill a partial symtab. It will be | |
1582 | completely filled at the end of the symbol list. | |
1583 | ||
0df8b418 | 1584 | FILENAME is the name of the symbol-file we are reading from. */ |
ccefe4c4 TT |
1585 | |
1586 | struct partial_symtab * | |
1587 | start_psymtab_common (struct objfile *objfile, | |
ccefe4c4 | 1588 | const char *filename, |
af5bf4ad SM |
1589 | CORE_ADDR textlow, |
1590 | std::vector<partial_symbol *> &global_psymbols, | |
1591 | std::vector<partial_symbol *> &static_psymbols) | |
ccefe4c4 TT |
1592 | { |
1593 | struct partial_symtab *psymtab; | |
1594 | ||
1595 | psymtab = allocate_psymtab (filename, objfile); | |
ccefe4c4 TT |
1596 | psymtab->textlow = textlow; |
1597 | psymtab->texthigh = psymtab->textlow; /* default */ | |
af5bf4ad SM |
1598 | psymtab->globals_offset = global_psymbols.size (); |
1599 | psymtab->statics_offset = static_psymbols.size (); | |
95cf5869 | 1600 | return psymtab; |
ccefe4c4 TT |
1601 | } |
1602 | ||
8763cede DE |
1603 | /* Perform "finishing up" operations of a partial symtab. */ |
1604 | ||
1605 | void | |
1606 | end_psymtab_common (struct objfile *objfile, struct partial_symtab *pst) | |
1607 | { | |
af5bf4ad SM |
1608 | pst->n_global_syms = objfile->global_psymbols.size () - pst->globals_offset; |
1609 | pst->n_static_syms = objfile->static_psymbols.size () - pst->statics_offset; | |
8763cede DE |
1610 | |
1611 | sort_pst_symbols (objfile, pst); | |
1612 | } | |
1613 | ||
cbd70537 SW |
1614 | /* Calculate a hash code for the given partial symbol. The hash is |
1615 | calculated using the symbol's value, language, domain, class | |
0df8b418 | 1616 | and name. These are the values which are set by |
cbd70537 SW |
1617 | add_psymbol_to_bcache. */ |
1618 | ||
710e1a31 | 1619 | static unsigned long |
cbd70537 SW |
1620 | psymbol_hash (const void *addr, int length) |
1621 | { | |
1622 | unsigned long h = 0; | |
1623 | struct partial_symbol *psymbol = (struct partial_symbol *) addr; | |
1624 | unsigned int lang = psymbol->ginfo.language; | |
1625 | unsigned int domain = PSYMBOL_DOMAIN (psymbol); | |
fe978cb0 | 1626 | unsigned int theclass = PSYMBOL_CLASS (psymbol); |
cbd70537 SW |
1627 | |
1628 | h = hash_continue (&psymbol->ginfo.value, sizeof (psymbol->ginfo.value), h); | |
1629 | h = hash_continue (&lang, sizeof (unsigned int), h); | |
1630 | h = hash_continue (&domain, sizeof (unsigned int), h); | |
fe978cb0 | 1631 | h = hash_continue (&theclass, sizeof (unsigned int), h); |
e793c052 TT |
1632 | /* Note that psymbol names are interned via symbol_set_names, so |
1633 | there's no need to hash the contents of the name here. */ | |
1634 | h = hash_continue (&psymbol->ginfo.name, sizeof (psymbol->ginfo.name), h); | |
cbd70537 SW |
1635 | |
1636 | return h; | |
1637 | } | |
1638 | ||
1639 | /* Returns true if the symbol at addr1 equals the symbol at addr2. | |
1640 | For the comparison this function uses a symbols value, | |
1641 | language, domain, class and name. */ | |
1642 | ||
710e1a31 | 1643 | static int |
cbd70537 SW |
1644 | psymbol_compare (const void *addr1, const void *addr2, int length) |
1645 | { | |
1646 | struct partial_symbol *sym1 = (struct partial_symbol *) addr1; | |
1647 | struct partial_symbol *sym2 = (struct partial_symbol *) addr2; | |
1648 | ||
3e611445 | 1649 | return (memcmp (&sym1->ginfo.value, &sym2->ginfo.value, |
cbd70537 SW |
1650 | sizeof (sym1->ginfo.value)) == 0 |
1651 | && sym1->ginfo.language == sym2->ginfo.language | |
1652 | && PSYMBOL_DOMAIN (sym1) == PSYMBOL_DOMAIN (sym2) | |
1653 | && PSYMBOL_CLASS (sym1) == PSYMBOL_CLASS (sym2) | |
e793c052 TT |
1654 | /* Note that psymbol names are interned via |
1655 | symbol_set_names, so there's no need to compare the | |
1656 | contents of the name here. */ | |
cbd70537 SW |
1657 | && sym1->ginfo.name == sym2->ginfo.name); |
1658 | } | |
1659 | ||
710e1a31 SW |
1660 | /* Initialize a partial symbol bcache. */ |
1661 | ||
1662 | struct psymbol_bcache * | |
1663 | psymbol_bcache_init (void) | |
1664 | { | |
fc270c35 | 1665 | struct psymbol_bcache *bcache = XCNEW (struct psymbol_bcache); |
95cf5869 | 1666 | |
710e1a31 SW |
1667 | bcache->bcache = bcache_xmalloc (psymbol_hash, psymbol_compare); |
1668 | return bcache; | |
1669 | } | |
1670 | ||
1671 | /* Free a partial symbol bcache. */ | |
95cf5869 | 1672 | |
710e1a31 SW |
1673 | void |
1674 | psymbol_bcache_free (struct psymbol_bcache *bcache) | |
1675 | { | |
1676 | if (bcache == NULL) | |
1677 | return; | |
1678 | ||
1679 | bcache_xfree (bcache->bcache); | |
1680 | xfree (bcache); | |
1681 | } | |
1682 | ||
0df8b418 | 1683 | /* Return the internal bcache of the psymbol_bcache BCACHE. */ |
710e1a31 SW |
1684 | |
1685 | struct bcache * | |
1686 | psymbol_bcache_get_bcache (struct psymbol_bcache *bcache) | |
1687 | { | |
1688 | return bcache->bcache; | |
1689 | } | |
1690 | ||
1691 | /* Find a copy of the SYM in BCACHE. If BCACHE has never seen this | |
1692 | symbol before, add a copy to BCACHE. In either case, return a pointer | |
1693 | to BCACHE's copy of the symbol. If optional ADDED is not NULL, return | |
1694 | 1 in case of new entry or 0 if returning an old entry. */ | |
1695 | ||
af5bf4ad | 1696 | static struct partial_symbol * |
710e1a31 SW |
1697 | psymbol_bcache_full (struct partial_symbol *sym, |
1698 | struct psymbol_bcache *bcache, | |
1699 | int *added) | |
1700 | { | |
af5bf4ad | 1701 | return ((struct partial_symbol *) |
19ba03f4 SM |
1702 | bcache_full (sym, sizeof (struct partial_symbol), bcache->bcache, |
1703 | added)); | |
710e1a31 SW |
1704 | } |
1705 | ||
95cf5869 | 1706 | /* Helper function, initialises partial symbol structure and stashes |
ccefe4c4 TT |
1707 | it into objfile's bcache. Note that our caching mechanism will |
1708 | use all fields of struct partial_symbol to determine hash value of the | |
1709 | structure. In other words, having two symbols with the same name but | |
1710 | different domain (or address) is possible and correct. */ | |
1711 | ||
af5bf4ad | 1712 | static struct partial_symbol * |
72b9f47f | 1713 | add_psymbol_to_bcache (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1714 | domain_enum domain, |
fe978cb0 | 1715 | enum address_class theclass, |
1762568f | 1716 | CORE_ADDR coreaddr, |
ccefe4c4 TT |
1717 | enum language language, struct objfile *objfile, |
1718 | int *added) | |
1719 | { | |
cbd70537 SW |
1720 | struct partial_symbol psymbol; |
1721 | ||
f85f34ed TT |
1722 | /* We must ensure that the entire struct has been zeroed before |
1723 | assigning to it, because an assignment may not touch some of the | |
1724 | holes. */ | |
1725 | memset (&psymbol, 0, sizeof (psymbol)); | |
fc956729 | 1726 | |
1762568f | 1727 | SYMBOL_VALUE_ADDRESS (&psymbol) = coreaddr; |
e27d198c | 1728 | SYMBOL_SECTION (&psymbol) = -1; |
f85f34ed | 1729 | SYMBOL_SET_LANGUAGE (&psymbol, language, &objfile->objfile_obstack); |
ccefe4c4 | 1730 | PSYMBOL_DOMAIN (&psymbol) = domain; |
fe978cb0 | 1731 | PSYMBOL_CLASS (&psymbol) = theclass; |
ccefe4c4 TT |
1732 | |
1733 | SYMBOL_SET_NAMES (&psymbol, name, namelength, copy_name, objfile); | |
1734 | ||
0df8b418 | 1735 | /* Stash the partial symbol away in the cache. */ |
95cf5869 | 1736 | return psymbol_bcache_full (&psymbol, objfile->psymbol_cache, added); |
ccefe4c4 TT |
1737 | } |
1738 | ||
95cf5869 | 1739 | /* Helper function, adds partial symbol to the given partial symbol list. */ |
ccefe4c4 TT |
1740 | |
1741 | static void | |
af5bf4ad SM |
1742 | append_psymbol_to_list (std::vector<partial_symbol *> *list, |
1743 | struct partial_symbol *psym, | |
ccefe4c4 TT |
1744 | struct objfile *objfile) |
1745 | { | |
af5bf4ad | 1746 | list->push_back (psym); |
ccefe4c4 TT |
1747 | OBJSTAT (objfile, n_psyms++); |
1748 | } | |
1749 | ||
1750 | /* Add a symbol with a long value to a psymtab. | |
1751 | Since one arg is a struct, we pass in a ptr and deref it (sigh). | |
1762568f DE |
1752 | The only value we need to store for psyms is an address. |
1753 | For all other psyms pass zero for COREADDR. | |
ccefe4c4 TT |
1754 | Return the partial symbol that has been added. */ |
1755 | ||
7dc25483 | 1756 | void |
72b9f47f | 1757 | add_psymbol_to_list (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1758 | domain_enum domain, |
fe978cb0 | 1759 | enum address_class theclass, |
af5bf4ad | 1760 | std::vector<partial_symbol *> *list, |
1762568f | 1761 | CORE_ADDR coreaddr, |
ccefe4c4 TT |
1762 | enum language language, struct objfile *objfile) |
1763 | { | |
af5bf4ad | 1764 | struct partial_symbol *psym; |
ccefe4c4 TT |
1765 | |
1766 | int added; | |
1767 | ||
0df8b418 | 1768 | /* Stash the partial symbol away in the cache. */ |
fe978cb0 | 1769 | psym = add_psymbol_to_bcache (name, namelength, copy_name, domain, theclass, |
1762568f | 1770 | coreaddr, language, objfile, &added); |
ccefe4c4 TT |
1771 | |
1772 | /* Do not duplicate global partial symbols. */ | |
1773 | if (list == &objfile->global_psymbols | |
1774 | && !added) | |
7dc25483 | 1775 | return; |
ccefe4c4 | 1776 | |
0df8b418 | 1777 | /* Save pointer to partial symbol in psymtab, growing symtab if needed. */ |
ccefe4c4 | 1778 | append_psymbol_to_list (list, psym, objfile); |
ccefe4c4 TT |
1779 | } |
1780 | ||
1781 | /* Initialize storage for partial symbols. */ | |
1782 | ||
1783 | void | |
1784 | init_psymbol_list (struct objfile *objfile, int total_symbols) | |
1785 | { | |
1786 | /* Free any previously allocated psymbol lists. */ | |
af5bf4ad SM |
1787 | objfile->global_psymbols.clear (); |
1788 | objfile->static_psymbols.clear (); | |
ccefe4c4 TT |
1789 | |
1790 | /* Current best guess is that approximately a twentieth | |
1791 | of the total symbols (in a debugging file) are global or static | |
ca9c6ee2 | 1792 | oriented symbols, then multiply that by slop factor of two. */ |
af5bf4ad SM |
1793 | objfile->global_psymbols.reserve (total_symbols / 10); |
1794 | objfile->static_psymbols.reserve (total_symbols / 10); | |
ccefe4c4 TT |
1795 | } |
1796 | ||
1797 | struct partial_symtab * | |
1798 | allocate_psymtab (const char *filename, struct objfile *objfile) | |
1799 | { | |
1800 | struct partial_symtab *psymtab; | |
1801 | ||
1802 | if (objfile->free_psymtabs) | |
1803 | { | |
1804 | psymtab = objfile->free_psymtabs; | |
1805 | objfile->free_psymtabs = psymtab->next; | |
1806 | } | |
1807 | else | |
1808 | psymtab = (struct partial_symtab *) | |
1809 | obstack_alloc (&objfile->objfile_obstack, | |
1810 | sizeof (struct partial_symtab)); | |
1811 | ||
1812 | memset (psymtab, 0, sizeof (struct partial_symtab)); | |
19ba03f4 SM |
1813 | psymtab->filename |
1814 | = (const char *) bcache (filename, strlen (filename) + 1, | |
1815 | objfile->per_bfd->filename_cache); | |
43f3e411 | 1816 | psymtab->compunit_symtab = NULL; |
ccefe4c4 TT |
1817 | |
1818 | /* Prepend it to the psymtab list for the objfile it belongs to. | |
1819 | Psymtabs are searched in most recent inserted -> least recent | |
0df8b418 | 1820 | inserted order. */ |
ccefe4c4 | 1821 | |
ccefe4c4 TT |
1822 | psymtab->next = objfile->psymtabs; |
1823 | objfile->psymtabs = psymtab; | |
ccefe4c4 | 1824 | |
45cfd468 DE |
1825 | if (symtab_create_debug) |
1826 | { | |
1827 | /* Be a bit clever with debugging messages, and don't print objfile | |
1828 | every time, only when it changes. */ | |
1829 | static char *last_objfile_name = NULL; | |
1830 | ||
1831 | if (last_objfile_name == NULL | |
4262abfb | 1832 | || strcmp (last_objfile_name, objfile_name (objfile)) != 0) |
45cfd468 DE |
1833 | { |
1834 | xfree (last_objfile_name); | |
4262abfb | 1835 | last_objfile_name = xstrdup (objfile_name (objfile)); |
45cfd468 DE |
1836 | fprintf_unfiltered (gdb_stdlog, |
1837 | "Creating one or more psymtabs for objfile %s ...\n", | |
1838 | last_objfile_name); | |
1839 | } | |
1840 | fprintf_unfiltered (gdb_stdlog, | |
fd55216c DE |
1841 | "Created psymtab %s for module %s.\n", |
1842 | host_address_to_string (psymtab), filename); | |
45cfd468 DE |
1843 | } |
1844 | ||
95cf5869 | 1845 | return psymtab; |
ccefe4c4 TT |
1846 | } |
1847 | ||
1848 | void | |
5c80ed9d | 1849 | discard_psymtab (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 TT |
1850 | { |
1851 | struct partial_symtab **prev_pst; | |
1852 | ||
1853 | /* From dbxread.c: | |
1854 | Empty psymtabs happen as a result of header files which don't | |
1855 | have any symbols in them. There can be a lot of them. But this | |
1856 | check is wrong, in that a psymtab with N_SLINE entries but | |
1857 | nothing else is not empty, but we don't realize that. Fixing | |
1858 | that without slowing things down might be tricky. */ | |
1859 | ||
0df8b418 | 1860 | /* First, snip it out of the psymtab chain. */ |
ccefe4c4 | 1861 | |
5c80ed9d | 1862 | prev_pst = &(objfile->psymtabs); |
ccefe4c4 TT |
1863 | while ((*prev_pst) != pst) |
1864 | prev_pst = &((*prev_pst)->next); | |
1865 | (*prev_pst) = pst->next; | |
1866 | ||
0df8b418 | 1867 | /* Next, put it on a free list for recycling. */ |
ccefe4c4 | 1868 | |
5c80ed9d TT |
1869 | pst->next = objfile->free_psymtabs; |
1870 | objfile->free_psymtabs = pst; | |
ccefe4c4 TT |
1871 | } |
1872 | ||
ccefe4c4 TT |
1873 | \f |
1874 | ||
372405a5 DE |
1875 | /* We need to pass a couple of items to the addrmap_foreach function, |
1876 | so use a struct. */ | |
1877 | ||
1878 | struct dump_psymtab_addrmap_data | |
1879 | { | |
1880 | struct objfile *objfile; | |
1881 | struct partial_symtab *psymtab; | |
1882 | struct ui_file *outfile; | |
1883 | ||
1884 | /* Non-zero if the previously printed addrmap entry was for PSYMTAB. | |
1885 | If so, we want to print the next one as well (since the next addrmap | |
1886 | entry defines the end of the range). */ | |
1887 | int previous_matched; | |
1888 | }; | |
1889 | ||
1890 | /* Helper function for dump_psymtab_addrmap to print an addrmap entry. */ | |
1891 | ||
1892 | static int | |
1893 | dump_psymtab_addrmap_1 (void *datap, CORE_ADDR start_addr, void *obj) | |
1894 | { | |
709b5518 PA |
1895 | struct dump_psymtab_addrmap_data *data |
1896 | = (struct dump_psymtab_addrmap_data *) datap; | |
372405a5 | 1897 | struct gdbarch *gdbarch = get_objfile_arch (data->objfile); |
709b5518 | 1898 | struct partial_symtab *addrmap_psymtab = (struct partial_symtab *) obj; |
372405a5 DE |
1899 | const char *psymtab_address_or_end = NULL; |
1900 | ||
1901 | QUIT; | |
1902 | ||
1903 | if (data->psymtab == NULL | |
1904 | || data->psymtab == addrmap_psymtab) | |
1905 | psymtab_address_or_end = host_address_to_string (addrmap_psymtab); | |
1906 | else if (data->previous_matched) | |
1907 | psymtab_address_or_end = "<ends here>"; | |
1908 | ||
1909 | if (data->psymtab == NULL | |
1910 | || data->psymtab == addrmap_psymtab | |
1911 | || data->previous_matched) | |
1912 | { | |
1913 | fprintf_filtered (data->outfile, " %s%s %s\n", | |
1914 | data->psymtab != NULL ? " " : "", | |
1915 | paddress (gdbarch, start_addr), | |
1916 | psymtab_address_or_end); | |
1917 | } | |
1918 | ||
1919 | data->previous_matched = (data->psymtab == NULL | |
1920 | || data->psymtab == addrmap_psymtab); | |
1921 | ||
1922 | return 0; | |
1923 | } | |
1924 | ||
1925 | /* Helper function for maintenance_print_psymbols to print the addrmap | |
1926 | of PSYMTAB. If PSYMTAB is NULL print the entire addrmap. */ | |
1927 | ||
1928 | static void | |
1929 | dump_psymtab_addrmap (struct objfile *objfile, struct partial_symtab *psymtab, | |
1930 | struct ui_file *outfile) | |
1931 | { | |
1932 | struct dump_psymtab_addrmap_data addrmap_dump_data; | |
1933 | ||
34c41c68 DE |
1934 | if ((psymtab == NULL |
1935 | || psymtab->psymtabs_addrmap_supported) | |
1936 | && objfile->psymtabs_addrmap != NULL) | |
372405a5 DE |
1937 | { |
1938 | addrmap_dump_data.objfile = objfile; | |
1939 | addrmap_dump_data.psymtab = psymtab; | |
1940 | addrmap_dump_data.outfile = outfile; | |
1941 | addrmap_dump_data.previous_matched = 0; | |
1942 | fprintf_filtered (outfile, "%sddress map:\n", | |
1943 | psymtab == NULL ? "Entire a" : " A"); | |
1944 | addrmap_foreach (objfile->psymtabs_addrmap, dump_psymtab_addrmap_1, | |
1945 | &addrmap_dump_data); | |
1946 | } | |
1947 | } | |
1948 | ||
dfc7bb5b | 1949 | static void |
990b9f9f | 1950 | maintenance_print_psymbols (const char *args, int from_tty) |
ccefe4c4 | 1951 | { |
34c41c68 | 1952 | struct ui_file *outfile = gdb_stdout; |
34c41c68 | 1953 | char *address_arg = NULL, *source_arg = NULL, *objfile_arg = NULL; |
ccefe4c4 TT |
1954 | struct objfile *objfile; |
1955 | struct partial_symtab *ps; | |
34c41c68 DE |
1956 | int i, outfile_idx, found; |
1957 | CORE_ADDR pc = 0; | |
1958 | struct obj_section *section = NULL; | |
ccefe4c4 TT |
1959 | |
1960 | dont_repeat (); | |
1961 | ||
773a1edc | 1962 | gdb_argv argv (args); |
ccefe4c4 | 1963 | |
99e8a4f9 | 1964 | for (i = 0; argv != NULL && argv[i] != NULL; ++i) |
ccefe4c4 | 1965 | { |
34c41c68 DE |
1966 | if (strcmp (argv[i], "-pc") == 0) |
1967 | { | |
1968 | if (argv[i + 1] == NULL) | |
1969 | error (_("Missing pc value")); | |
1970 | address_arg = argv[++i]; | |
1971 | } | |
1972 | else if (strcmp (argv[i], "-source") == 0) | |
1973 | { | |
1974 | if (argv[i + 1] == NULL) | |
1975 | error (_("Missing source file")); | |
1976 | source_arg = argv[++i]; | |
1977 | } | |
1978 | else if (strcmp (argv[i], "-objfile") == 0) | |
1979 | { | |
1980 | if (argv[i + 1] == NULL) | |
1981 | error (_("Missing objfile name")); | |
1982 | objfile_arg = argv[++i]; | |
1983 | } | |
1984 | else if (strcmp (argv[i], "--") == 0) | |
1985 | { | |
1986 | /* End of options. */ | |
1987 | ++i; | |
1988 | break; | |
1989 | } | |
1990 | else if (argv[i][0] == '-') | |
ccefe4c4 | 1991 | { |
34c41c68 DE |
1992 | /* Future proofing: Don't allow OUTFILE to begin with "-". */ |
1993 | error (_("Unknown option: %s"), argv[i]); | |
ccefe4c4 | 1994 | } |
34c41c68 DE |
1995 | else |
1996 | break; | |
ccefe4c4 | 1997 | } |
34c41c68 | 1998 | outfile_idx = i; |
ccefe4c4 | 1999 | |
34c41c68 DE |
2000 | if (address_arg != NULL && source_arg != NULL) |
2001 | error (_("Must specify at most one of -pc and -source")); | |
ccefe4c4 | 2002 | |
d7e74731 PA |
2003 | stdio_file arg_outfile; |
2004 | ||
99e8a4f9 | 2005 | if (argv != NULL && argv[outfile_idx] != NULL) |
34c41c68 | 2006 | { |
34c41c68 DE |
2007 | if (argv[outfile_idx + 1] != NULL) |
2008 | error (_("Junk at end of command")); | |
ee0c3293 TT |
2009 | gdb::unique_xmalloc_ptr<char> outfile_name |
2010 | (tilde_expand (argv[outfile_idx])); | |
2011 | if (!arg_outfile.open (outfile_name.get (), FOPEN_WT)) | |
2012 | perror_with_name (outfile_name.get ()); | |
d7e74731 | 2013 | outfile = &arg_outfile; |
34c41c68 | 2014 | } |
ccefe4c4 | 2015 | |
34c41c68 DE |
2016 | if (address_arg != NULL) |
2017 | { | |
2018 | pc = parse_and_eval_address (address_arg); | |
2019 | /* If we fail to find a section, that's ok, try the lookup anyway. */ | |
2020 | section = find_pc_section (pc); | |
2021 | } | |
372405a5 | 2022 | |
34c41c68 DE |
2023 | found = 0; |
2024 | ALL_OBJFILES (objfile) | |
27618ce4 | 2025 | { |
34c41c68 DE |
2026 | int printed_objfile_header = 0; |
2027 | int print_for_objfile = 1; | |
2028 | ||
27618ce4 | 2029 | QUIT; |
34c41c68 DE |
2030 | if (objfile_arg != NULL) |
2031 | print_for_objfile | |
2032 | = compare_filenames_for_search (objfile_name (objfile), | |
2033 | objfile_arg); | |
2034 | if (!print_for_objfile) | |
2035 | continue; | |
2036 | ||
2037 | if (address_arg != NULL) | |
2038 | { | |
2039 | struct bound_minimal_symbol msymbol = { NULL, NULL }; | |
2040 | ||
2041 | /* We don't assume each pc has a unique objfile (this is for | |
2042 | debugging). */ | |
2043 | ps = find_pc_sect_psymtab (objfile, pc, section, msymbol); | |
2044 | if (ps != NULL) | |
2045 | { | |
2046 | if (!printed_objfile_header) | |
2047 | { | |
d7e74731 PA |
2048 | outfile->printf ("\nPartial symtabs for objfile %s\n", |
2049 | objfile_name (objfile)); | |
34c41c68 DE |
2050 | printed_objfile_header = 1; |
2051 | } | |
2052 | dump_psymtab (objfile, ps, outfile); | |
2053 | dump_psymtab_addrmap (objfile, ps, outfile); | |
2054 | found = 1; | |
2055 | } | |
2056 | } | |
2057 | else | |
2058 | { | |
2059 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) | |
2060 | { | |
2061 | int print_for_source = 0; | |
2062 | ||
2063 | QUIT; | |
2064 | if (source_arg != NULL) | |
2065 | { | |
2066 | print_for_source | |
2067 | = compare_filenames_for_search (ps->filename, source_arg); | |
2068 | found = 1; | |
2069 | } | |
2070 | if (source_arg == NULL | |
2071 | || print_for_source) | |
2072 | { | |
2073 | if (!printed_objfile_header) | |
2074 | { | |
d7e74731 PA |
2075 | outfile->printf ("\nPartial symtabs for objfile %s\n", |
2076 | objfile_name (objfile)); | |
34c41c68 DE |
2077 | printed_objfile_header = 1; |
2078 | } | |
2079 | dump_psymtab (objfile, ps, outfile); | |
2080 | dump_psymtab_addrmap (objfile, ps, outfile); | |
2081 | } | |
2082 | } | |
2083 | } | |
2084 | ||
2085 | /* If we're printing all the objfile's symbols dump the full addrmap. */ | |
2086 | ||
2087 | if (address_arg == NULL | |
2088 | && source_arg == NULL | |
2089 | && objfile->psymtabs_addrmap != NULL) | |
372405a5 | 2090 | { |
d7e74731 | 2091 | outfile->puts ("\n"); |
34c41c68 | 2092 | dump_psymtab_addrmap (objfile, NULL, outfile); |
372405a5 | 2093 | } |
27618ce4 | 2094 | } |
372405a5 | 2095 | |
34c41c68 DE |
2096 | if (!found) |
2097 | { | |
2098 | if (address_arg != NULL) | |
2099 | error (_("No partial symtab for address: %s"), address_arg); | |
2100 | if (source_arg != NULL) | |
2101 | error (_("No partial symtab for source file: %s"), source_arg); | |
2102 | } | |
ccefe4c4 TT |
2103 | } |
2104 | ||
2105 | /* List all the partial symbol tables whose names match REGEXP (optional). */ | |
95cf5869 | 2106 | |
dfc7bb5b | 2107 | static void |
990b9f9f | 2108 | maintenance_info_psymtabs (const char *regexp, int from_tty) |
ccefe4c4 TT |
2109 | { |
2110 | struct program_space *pspace; | |
2111 | struct objfile *objfile; | |
2112 | ||
2113 | if (regexp) | |
2114 | re_comp (regexp); | |
2115 | ||
2116 | ALL_PSPACES (pspace) | |
2117 | ALL_PSPACE_OBJFILES (pspace, objfile) | |
2118 | { | |
2119 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
2120 | struct partial_symtab *psymtab; | |
2121 | ||
2122 | /* We don't want to print anything for this objfile until we | |
2123 | actually find a symtab whose name matches. */ | |
2124 | int printed_objfile_start = 0; | |
2125 | ||
b11896a5 | 2126 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab) |
ccefe4c4 TT |
2127 | { |
2128 | QUIT; | |
2129 | ||
2130 | if (! regexp | |
2131 | || re_exec (psymtab->filename)) | |
2132 | { | |
2133 | if (! printed_objfile_start) | |
2134 | { | |
4262abfb | 2135 | printf_filtered ("{ objfile %s ", objfile_name (objfile)); |
ccefe4c4 | 2136 | wrap_here (" "); |
95cf5869 | 2137 | printf_filtered ("((struct objfile *) %s)\n", |
ccefe4c4 TT |
2138 | host_address_to_string (objfile)); |
2139 | printed_objfile_start = 1; | |
2140 | } | |
2141 | ||
2142 | printf_filtered (" { psymtab %s ", psymtab->filename); | |
2143 | wrap_here (" "); | |
95cf5869 | 2144 | printf_filtered ("((struct partial_symtab *) %s)\n", |
ccefe4c4 TT |
2145 | host_address_to_string (psymtab)); |
2146 | ||
2147 | printf_filtered (" readin %s\n", | |
2148 | psymtab->readin ? "yes" : "no"); | |
2149 | printf_filtered (" fullname %s\n", | |
3e43a32a MS |
2150 | psymtab->fullname |
2151 | ? psymtab->fullname : "(null)"); | |
ccefe4c4 TT |
2152 | printf_filtered (" text addresses "); |
2153 | fputs_filtered (paddress (gdbarch, psymtab->textlow), | |
2154 | gdb_stdout); | |
2155 | printf_filtered (" -- "); | |
2156 | fputs_filtered (paddress (gdbarch, psymtab->texthigh), | |
2157 | gdb_stdout); | |
2158 | printf_filtered ("\n"); | |
9750bca9 JK |
2159 | printf_filtered (" psymtabs_addrmap_supported %s\n", |
2160 | (psymtab->psymtabs_addrmap_supported | |
2161 | ? "yes" : "no")); | |
ccefe4c4 TT |
2162 | printf_filtered (" globals "); |
2163 | if (psymtab->n_global_syms) | |
2164 | { | |
af5bf4ad SM |
2165 | auto p = &objfile->global_psymbols[psymtab->globals_offset]; |
2166 | ||
ccefe4c4 | 2167 | printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", |
af5bf4ad | 2168 | host_address_to_string (p), |
ccefe4c4 TT |
2169 | psymtab->n_global_syms); |
2170 | } | |
2171 | else | |
2172 | printf_filtered ("(none)\n"); | |
2173 | printf_filtered (" statics "); | |
2174 | if (psymtab->n_static_syms) | |
2175 | { | |
af5bf4ad SM |
2176 | auto p = &objfile->static_psymbols[psymtab->statics_offset]; |
2177 | ||
ccefe4c4 | 2178 | printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", |
af5bf4ad | 2179 | host_address_to_string (p), |
ccefe4c4 TT |
2180 | psymtab->n_static_syms); |
2181 | } | |
2182 | else | |
2183 | printf_filtered ("(none)\n"); | |
2184 | printf_filtered (" dependencies "); | |
2185 | if (psymtab->number_of_dependencies) | |
2186 | { | |
2187 | int i; | |
2188 | ||
2189 | printf_filtered ("{\n"); | |
2190 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
2191 | { | |
2192 | struct partial_symtab *dep = psymtab->dependencies[i]; | |
2193 | ||
2194 | /* Note the string concatenation there --- no comma. */ | |
2195 | printf_filtered (" psymtab %s " | |
2196 | "((struct partial_symtab *) %s)\n", | |
95cf5869 | 2197 | dep->filename, |
ccefe4c4 TT |
2198 | host_address_to_string (dep)); |
2199 | } | |
2200 | printf_filtered (" }\n"); | |
2201 | } | |
2202 | else | |
2203 | printf_filtered ("(none)\n"); | |
2204 | printf_filtered (" }\n"); | |
2205 | } | |
2206 | } | |
2207 | ||
2208 | if (printed_objfile_start) | |
2209 | printf_filtered ("}\n"); | |
2210 | } | |
2211 | } | |
2212 | ||
7d0c9981 | 2213 | /* Check consistency of currently expanded psymtabs vs symtabs. */ |
ccefe4c4 | 2214 | |
dfc7bb5b | 2215 | static void |
990b9f9f | 2216 | maintenance_check_psymtabs (const char *ignore, int from_tty) |
ccefe4c4 TT |
2217 | { |
2218 | struct symbol *sym; | |
43f3e411 | 2219 | struct compunit_symtab *cust = NULL; |
ccefe4c4 | 2220 | struct partial_symtab *ps; |
346d1dfe | 2221 | const struct blockvector *bv; |
ccefe4c4 TT |
2222 | struct objfile *objfile; |
2223 | struct block *b; | |
2224 | int length; | |
2225 | ||
2226 | ALL_PSYMTABS (objfile, ps) | |
2227 | { | |
2228 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
ad3bbd48 | 2229 | |
7d0c9981 DE |
2230 | /* We don't call psymtab_to_symtab here because that may cause symtab |
2231 | expansion. When debugging a problem it helps if checkers leave | |
2232 | things unchanged. */ | |
43f3e411 | 2233 | cust = ps->compunit_symtab; |
7d0c9981 DE |
2234 | |
2235 | /* First do some checks that don't require the associated symtab. */ | |
2236 | if (ps->texthigh < ps->textlow) | |
2237 | { | |
2238 | printf_filtered ("Psymtab "); | |
2239 | puts_filtered (ps->filename); | |
2240 | printf_filtered (" covers bad range "); | |
2241 | fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout); | |
2242 | printf_filtered (" - "); | |
2243 | fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout); | |
2244 | printf_filtered ("\n"); | |
2245 | continue; | |
2246 | } | |
2247 | ||
2248 | /* Now do checks requiring the associated symtab. */ | |
43f3e411 | 2249 | if (cust == NULL) |
ccefe4c4 | 2250 | continue; |
43f3e411 | 2251 | bv = COMPUNIT_BLOCKVECTOR (cust); |
ccefe4c4 | 2252 | b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); |
af5bf4ad | 2253 | partial_symbol **psym = &objfile->static_psymbols[ps->statics_offset]; |
ccefe4c4 TT |
2254 | length = ps->n_static_syms; |
2255 | while (length--) | |
2256 | { | |
de63c46b PA |
2257 | sym = block_lookup_symbol (b, SYMBOL_SEARCH_NAME (*psym), |
2258 | symbol_name_match_type::SEARCH_NAME, | |
ccefe4c4 TT |
2259 | SYMBOL_DOMAIN (*psym)); |
2260 | if (!sym) | |
2261 | { | |
2262 | printf_filtered ("Static symbol `"); | |
2263 | puts_filtered (SYMBOL_LINKAGE_NAME (*psym)); | |
2264 | printf_filtered ("' only found in "); | |
2265 | puts_filtered (ps->filename); | |
2266 | printf_filtered (" psymtab\n"); | |
2267 | } | |
2268 | psym++; | |
2269 | } | |
2270 | b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
af5bf4ad | 2271 | psym = &objfile->global_psymbols[ps->globals_offset]; |
ccefe4c4 TT |
2272 | length = ps->n_global_syms; |
2273 | while (length--) | |
2274 | { | |
de63c46b PA |
2275 | sym = block_lookup_symbol (b, SYMBOL_SEARCH_NAME (*psym), |
2276 | symbol_name_match_type::SEARCH_NAME, | |
ccefe4c4 TT |
2277 | SYMBOL_DOMAIN (*psym)); |
2278 | if (!sym) | |
2279 | { | |
2280 | printf_filtered ("Global symbol `"); | |
2281 | puts_filtered (SYMBOL_LINKAGE_NAME (*psym)); | |
2282 | printf_filtered ("' only found in "); | |
2283 | puts_filtered (ps->filename); | |
2284 | printf_filtered (" psymtab\n"); | |
2285 | } | |
2286 | psym++; | |
2287 | } | |
7d0c9981 DE |
2288 | if (ps->texthigh != 0 |
2289 | && (ps->textlow < BLOCK_START (b) || ps->texthigh > BLOCK_END (b))) | |
ccefe4c4 TT |
2290 | { |
2291 | printf_filtered ("Psymtab "); | |
2292 | puts_filtered (ps->filename); | |
2293 | printf_filtered (" covers "); | |
2294 | fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout); | |
2295 | printf_filtered (" - "); | |
2296 | fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout); | |
2297 | printf_filtered (" but symtab covers only "); | |
2298 | fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout); | |
2299 | printf_filtered (" - "); | |
2300 | fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout); | |
2301 | printf_filtered ("\n"); | |
2302 | } | |
2303 | } | |
2304 | } | |
2305 | ||
dfc7bb5b YQ |
2306 | void |
2307 | _initialize_psymtab (void) | |
2308 | { | |
2309 | add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols, _("\ | |
2310 | Print dump of current partial symbol definitions.\n\ | |
34c41c68 DE |
2311 | Usage: mt print psymbols [-objfile objfile] [-pc address] [--] [outfile]\n\ |
2312 | mt print psymbols [-objfile objfile] [-source source] [--] [outfile]\n\ | |
2313 | Entries in the partial symbol table are dumped to file OUTFILE,\n\ | |
2314 | or the terminal if OUTFILE is unspecified.\n\ | |
2315 | If ADDRESS is provided, dump only the file for that address.\n\ | |
2316 | If SOURCE is provided, dump only that file's symbols.\n\ | |
2317 | If OBJFILE is provided, dump only that file's minimal symbols."), | |
dfc7bb5b YQ |
2318 | &maintenanceprintlist); |
2319 | ||
2320 | add_cmd ("psymtabs", class_maintenance, maintenance_info_psymtabs, _("\ | |
2321 | List the partial symbol tables for all object files.\n\ | |
2322 | This does not include information about individual partial symbols,\n\ | |
2323 | just the symbol table structures themselves."), | |
2324 | &maintenanceinfolist); | |
2325 | ||
7d0c9981 DE |
2326 | add_cmd ("check-psymtabs", class_maintenance, maintenance_check_psymtabs, |
2327 | _("\ | |
2328 | Check consistency of currently expanded psymtabs versus symtabs."), | |
dfc7bb5b YQ |
2329 | &maintenancelist); |
2330 | } |