Commit | Line | Data |
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ccefe4c4 | 1 | /* Partial symbol tables. |
95cf5869 | 2 | |
42a4f53d | 3 | Copyright (C) 2009-2019 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" | |
ccefe4c4 | 22 | #include "objfiles.h" |
b22a7c6a | 23 | #include "psympriv.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 | ||
43f3e411 DE |
65 | static struct compunit_symtab *psymtab_to_symtab (struct objfile *objfile, |
66 | struct partial_symtab *pst); | |
ccefe4c4 | 67 | |
d320c2b5 TT |
68 | \f |
69 | ||
8d7bcccb TT |
70 | psymtab_storage::psymtab_storage () |
71 | : psymbol_cache (psymbol_bcache_init ()) | |
d320c2b5 TT |
72 | { |
73 | } | |
74 | ||
75 | psymtab_storage::~psymtab_storage () | |
76 | { | |
77 | psymbol_bcache_free (psymbol_cache); | |
78 | } | |
79 | ||
b596a3c7 TT |
80 | /* See psymtab.h. */ |
81 | ||
82 | struct partial_symtab * | |
83 | psymtab_storage::allocate_psymtab () | |
84 | { | |
85 | struct partial_symtab *psymtab; | |
86 | ||
87 | if (free_psymtabs != nullptr) | |
88 | { | |
89 | psymtab = free_psymtabs; | |
90 | free_psymtabs = psymtab->next; | |
91 | } | |
92 | else | |
93 | psymtab = XOBNEW (obstack (), struct partial_symtab); | |
94 | ||
95 | memset (psymtab, 0, sizeof (struct partial_symtab)); | |
96 | ||
97 | psymtab->next = psymtabs; | |
98 | psymtabs = psymtab; | |
99 | ||
100 | return psymtab; | |
101 | } | |
102 | ||
d320c2b5 TT |
103 | \f |
104 | ||
b22a7c6a | 105 | /* See psymtab.h. */ |
b11896a5 | 106 | |
f252c6d5 | 107 | psymtab_storage::partial_symtab_range |
b11896a5 TT |
108 | require_partial_symbols (struct objfile *objfile, int verbose) |
109 | { | |
110 | if ((objfile->flags & OBJF_PSYMTABS_READ) == 0) | |
111 | { | |
112 | objfile->flags |= OBJF_PSYMTABS_READ; | |
113 | ||
114 | if (objfile->sf->sym_read_psymbols) | |
115 | { | |
116 | if (verbose) | |
3453e7e4 TT |
117 | printf_filtered (_("Reading symbols from %s...\n"), |
118 | objfile_name (objfile)); | |
b11896a5 | 119 | (*objfile->sf->sym_read_psymbols) (objfile); |
af5bf4ad SM |
120 | |
121 | /* Partial symbols list are not expected to changed after this | |
122 | point. */ | |
d320c2b5 TT |
123 | objfile->partial_symtabs->global_psymbols.shrink_to_fit (); |
124 | objfile->partial_symtabs->static_psymbols.shrink_to_fit (); | |
af5bf4ad | 125 | |
3453e7e4 TT |
126 | if (verbose && !objfile_has_symbols (objfile)) |
127 | printf_filtered (_("(No debugging symbols found in %s)\n"), | |
128 | objfile_name (objfile)); | |
b11896a5 TT |
129 | } |
130 | } | |
131 | ||
f252c6d5 | 132 | return objfile->psymtabs (); |
b11896a5 TT |
133 | } |
134 | ||
83827540 | 135 | /* Helper function for psym_map_symtabs_matching_filename that |
f8eba3c6 | 136 | expands the symtabs and calls the iterator. */ |
ccefe4c4 | 137 | |
14bc53a8 | 138 | static bool |
f8eba3c6 TT |
139 | partial_map_expand_apply (struct objfile *objfile, |
140 | const char *name, | |
f8eba3c6 TT |
141 | const char *real_path, |
142 | struct partial_symtab *pst, | |
14bc53a8 | 143 | gdb::function_view<bool (symtab *)> callback) |
f8eba3c6 | 144 | { |
43f3e411 | 145 | struct compunit_symtab *last_made = objfile->compunit_symtabs; |
f8eba3c6 | 146 | |
9439a077 TT |
147 | /* Shared psymtabs should never be seen here. Instead they should |
148 | be handled properly by the caller. */ | |
149 | gdb_assert (pst->user == NULL); | |
150 | ||
f8eba3c6 TT |
151 | /* Don't visit already-expanded psymtabs. */ |
152 | if (pst->readin) | |
153 | return 0; | |
154 | ||
155 | /* This may expand more than one symtab, and we want to iterate over | |
156 | all of them. */ | |
5c80ed9d | 157 | psymtab_to_symtab (objfile, pst); |
f8eba3c6 | 158 | |
14bc53a8 PA |
159 | return iterate_over_some_symtabs (name, real_path, objfile->compunit_symtabs, |
160 | last_made, callback); | |
f8eba3c6 TT |
161 | } |
162 | ||
83827540 DE |
163 | /* Psymtab version of map_symtabs_matching_filename. See its definition in |
164 | the definition of quick_symbol_functions in symfile.h. */ | |
f8eba3c6 | 165 | |
14bc53a8 PA |
166 | static bool |
167 | psym_map_symtabs_matching_filename | |
168 | (struct objfile *objfile, | |
169 | const char *name, | |
170 | const char *real_path, | |
171 | gdb::function_view<bool (symtab *)> callback) | |
ccefe4c4 | 172 | { |
c011a4f4 | 173 | const char *name_basename = lbasename (name); |
ccefe4c4 | 174 | |
b22a7c6a TT |
175 | for (partial_symtab *pst : require_partial_symbols (objfile, 1)) |
176 | { | |
177 | /* We can skip shared psymtabs here, because any file name will be | |
178 | attached to the unshared psymtab. */ | |
179 | if (pst->user != NULL) | |
180 | continue; | |
b4c41fc7 | 181 | |
b22a7c6a TT |
182 | /* Anonymous psymtabs don't have a file name. */ |
183 | if (pst->anonymous) | |
288e77a7 | 184 | continue; |
ccefe4c4 | 185 | |
b22a7c6a TT |
186 | if (compare_filenames_for_search (pst->filename, name)) |
187 | { | |
188 | if (partial_map_expand_apply (objfile, name, real_path, | |
189 | pst, callback)) | |
190 | return true; | |
191 | continue; | |
192 | } | |
c011a4f4 | 193 | |
b22a7c6a TT |
194 | /* Before we invoke realpath, which can get expensive when many |
195 | files are involved, do a quick comparison of the basenames. */ | |
196 | if (! basenames_may_differ | |
197 | && FILENAME_CMP (name_basename, lbasename (pst->filename)) != 0) | |
288e77a7 | 198 | continue; |
05cba821 | 199 | |
b22a7c6a TT |
200 | if (compare_filenames_for_search (psymtab_to_fullname (pst), name)) |
201 | { | |
202 | if (partial_map_expand_apply (objfile, name, real_path, | |
203 | pst, callback)) | |
204 | return true; | |
205 | continue; | |
206 | } | |
207 | ||
208 | /* If the user gave us an absolute path, try to find the file in | |
209 | this symtab and use its absolute path. */ | |
210 | if (real_path != NULL) | |
211 | { | |
212 | gdb_assert (IS_ABSOLUTE_PATH (real_path)); | |
213 | gdb_assert (IS_ABSOLUTE_PATH (name)); | |
214 | if (filename_cmp (psymtab_to_fullname (pst), real_path) == 0) | |
215 | { | |
216 | if (partial_map_expand_apply (objfile, name, real_path, | |
217 | pst, callback)) | |
218 | return true; | |
219 | continue; | |
220 | } | |
221 | } | |
222 | } | |
ccefe4c4 | 223 | |
14bc53a8 | 224 | return false; |
ccefe4c4 TT |
225 | } |
226 | ||
227 | /* Find which partial symtab contains PC and SECTION starting at psymtab PST. | |
228 | We may find a different psymtab than PST. See FIND_PC_SECT_PSYMTAB. */ | |
229 | ||
230 | static struct partial_symtab * | |
5c80ed9d TT |
231 | find_pc_sect_psymtab_closer (struct objfile *objfile, |
232 | CORE_ADDR pc, struct obj_section *section, | |
ccefe4c4 | 233 | struct partial_symtab *pst, |
77e371c0 | 234 | struct bound_minimal_symbol msymbol) |
ccefe4c4 | 235 | { |
ccefe4c4 TT |
236 | struct partial_symtab *tpst; |
237 | struct partial_symtab *best_pst = pst; | |
79748972 | 238 | CORE_ADDR best_addr = pst->text_low (objfile); |
ccefe4c4 | 239 | |
9750bca9 JK |
240 | gdb_assert (!pst->psymtabs_addrmap_supported); |
241 | ||
ccefe4c4 TT |
242 | /* An objfile that has its functions reordered might have |
243 | many partial symbol tables containing the PC, but | |
244 | we want the partial symbol table that contains the | |
245 | function containing the PC. */ | |
95cf5869 DE |
246 | if (!(objfile->flags & OBJF_REORDERED) |
247 | && section == NULL) /* Can't validate section this way. */ | |
ccefe4c4 TT |
248 | return pst; |
249 | ||
77e371c0 | 250 | if (msymbol.minsym == NULL) |
95cf5869 | 251 | return pst; |
ccefe4c4 TT |
252 | |
253 | /* The code range of partial symtabs sometimes overlap, so, in | |
254 | the loop below, we need to check all partial symtabs and | |
0df8b418 | 255 | find the one that fits better for the given PC address. We |
ccefe4c4 TT |
256 | select the partial symtab that contains a symbol whose |
257 | address is closest to the PC address. By closest we mean | |
258 | that find_pc_sect_symbol returns the symbol with address | |
259 | that is closest and still less than the given PC. */ | |
260 | for (tpst = pst; tpst != NULL; tpst = tpst->next) | |
261 | { | |
79748972 | 262 | if (pc >= tpst->text_low (objfile) && pc < tpst->text_high (objfile)) |
ccefe4c4 TT |
263 | { |
264 | struct partial_symbol *p; | |
265 | CORE_ADDR this_addr; | |
266 | ||
267 | /* NOTE: This assumes that every psymbol has a | |
268 | corresponding msymbol, which is not necessarily | |
269 | true; the debug info might be much richer than the | |
270 | object's symbol table. */ | |
5c80ed9d | 271 | p = find_pc_sect_psymbol (objfile, tpst, pc, section); |
ccefe4c4 | 272 | if (p != NULL |
02e9e7f7 | 273 | && (p->address (objfile) == BMSYMBOL_VALUE_ADDRESS (msymbol))) |
ccefe4c4 TT |
274 | return tpst; |
275 | ||
276 | /* Also accept the textlow value of a psymtab as a | |
277 | "symbol", to provide some support for partial | |
278 | symbol tables with line information but no debug | |
279 | symbols (e.g. those produced by an assembler). */ | |
280 | if (p != NULL) | |
02e9e7f7 | 281 | this_addr = p->address (objfile); |
ccefe4c4 | 282 | else |
79748972 | 283 | this_addr = tpst->text_low (objfile); |
ccefe4c4 TT |
284 | |
285 | /* Check whether it is closer than our current | |
286 | BEST_ADDR. Since this symbol address is | |
287 | necessarily lower or equal to PC, the symbol closer | |
288 | to PC is the symbol which address is the highest. | |
289 | This way we return the psymtab which contains such | |
0df8b418 | 290 | best match symbol. This can help in cases where the |
ccefe4c4 TT |
291 | symbol information/debuginfo is not complete, like |
292 | for instance on IRIX6 with gcc, where no debug info | |
0df8b418 MS |
293 | is emitted for statics. (See also the nodebug.exp |
294 | testcase.) */ | |
ccefe4c4 TT |
295 | if (this_addr > best_addr) |
296 | { | |
297 | best_addr = this_addr; | |
298 | best_pst = tpst; | |
299 | } | |
300 | } | |
301 | } | |
302 | return best_pst; | |
303 | } | |
304 | ||
95cf5869 | 305 | /* Find which partial symtab contains PC and SECTION. Return NULL if |
ccefe4c4 TT |
306 | none. We return the psymtab that contains a symbol whose address |
307 | exactly matches PC, or, if we cannot find an exact match, the | |
308 | psymtab that contains a symbol whose address is closest to PC. */ | |
95cf5869 | 309 | |
ccefe4c4 TT |
310 | static struct partial_symtab * |
311 | find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc, | |
312 | struct obj_section *section, | |
77e371c0 | 313 | struct bound_minimal_symbol msymbol) |
ccefe4c4 | 314 | { |
79748972 TT |
315 | CORE_ADDR baseaddr = ANOFFSET (objfile->section_offsets, |
316 | SECT_OFF_TEXT (objfile)); | |
ccefe4c4 TT |
317 | |
318 | /* Try just the PSYMTABS_ADDRMAP mapping first as it has better granularity | |
319 | than the later used TEXTLOW/TEXTHIGH one. */ | |
320 | ||
d320c2b5 | 321 | if (objfile->partial_symtabs->psymtabs_addrmap != NULL) |
ccefe4c4 | 322 | { |
b22a7c6a TT |
323 | struct partial_symtab *pst |
324 | = ((struct partial_symtab *) | |
d320c2b5 TT |
325 | addrmap_find (objfile->partial_symtabs->psymtabs_addrmap, |
326 | pc - baseaddr)); | |
ccefe4c4 TT |
327 | if (pst != NULL) |
328 | { | |
329 | /* FIXME: addrmaps currently do not handle overlayed sections, | |
330 | so fall back to the non-addrmap case if we're debugging | |
331 | overlays and the addrmap returned the wrong section. */ | |
95cf5869 | 332 | if (overlay_debugging && msymbol.minsym != NULL && section != NULL) |
ccefe4c4 TT |
333 | { |
334 | struct partial_symbol *p; | |
ad3bbd48 | 335 | |
ccefe4c4 TT |
336 | /* NOTE: This assumes that every psymbol has a |
337 | corresponding msymbol, which is not necessarily | |
338 | true; the debug info might be much richer than the | |
339 | object's symbol table. */ | |
5c80ed9d | 340 | p = find_pc_sect_psymbol (objfile, pst, pc, section); |
95cf5869 | 341 | if (p == NULL |
02e9e7f7 TT |
342 | || (p->address (objfile) |
343 | != BMSYMBOL_VALUE_ADDRESS (msymbol))) | |
ccefe4c4 TT |
344 | goto next; |
345 | } | |
346 | ||
347 | /* We do not try to call FIND_PC_SECT_PSYMTAB_CLOSER as | |
348 | PSYMTABS_ADDRMAP we used has already the best 1-byte | |
349 | granularity and FIND_PC_SECT_PSYMTAB_CLOSER may mislead us into | |
350 | a worse chosen section due to the TEXTLOW/TEXTHIGH ranges | |
351 | overlap. */ | |
352 | ||
353 | return pst; | |
354 | } | |
355 | } | |
356 | ||
357 | next: | |
358 | ||
359 | /* Existing PSYMTABS_ADDRMAP mapping is present even for PARTIAL_SYMTABs | |
360 | which still have no corresponding full SYMTABs read. But it is not | |
361 | present for non-DWARF2 debug infos not supporting PSYMTABS_ADDRMAP in GDB | |
362 | so far. */ | |
363 | ||
364 | /* Check even OBJFILE with non-zero PSYMTABS_ADDRMAP as only several of | |
365 | its CUs may be missing in PSYMTABS_ADDRMAP as they may be varying | |
366 | debug info type in single OBJFILE. */ | |
367 | ||
b22a7c6a | 368 | for (partial_symtab *pst : require_partial_symbols (objfile, 1)) |
9750bca9 | 369 | if (!pst->psymtabs_addrmap_supported |
79748972 | 370 | && pc >= pst->text_low (objfile) && pc < pst->text_high (objfile)) |
ccefe4c4 TT |
371 | { |
372 | struct partial_symtab *best_pst; | |
373 | ||
5c80ed9d TT |
374 | best_pst = find_pc_sect_psymtab_closer (objfile, pc, section, pst, |
375 | msymbol); | |
ccefe4c4 TT |
376 | if (best_pst != NULL) |
377 | return best_pst; | |
378 | } | |
379 | ||
380 | return NULL; | |
381 | } | |
382 | ||
95cf5869 DE |
383 | /* Psymtab version of find_pc_sect_compunit_symtab. See its definition in |
384 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 385 | |
43f3e411 | 386 | static struct compunit_symtab * |
83827540 DE |
387 | psym_find_pc_sect_compunit_symtab (struct objfile *objfile, |
388 | struct bound_minimal_symbol msymbol, | |
389 | CORE_ADDR pc, | |
390 | struct obj_section *section, | |
391 | int warn_if_readin) | |
ccefe4c4 TT |
392 | { |
393 | struct partial_symtab *ps = find_pc_sect_psymtab (objfile, pc, section, | |
394 | msymbol); | |
95cf5869 | 395 | if (ps != NULL) |
ccefe4c4 TT |
396 | { |
397 | if (warn_if_readin && ps->readin) | |
398 | /* Might want to error() here (in case symtab is corrupt and | |
399 | will cause a core dump), but maybe we can successfully | |
400 | continue, so let's not. */ | |
401 | warning (_("\ | |
402 | (Internal error: pc %s in read in psymtab, but not in symtab.)\n"), | |
5c80ed9d TT |
403 | paddress (get_objfile_arch (objfile), pc)); |
404 | psymtab_to_symtab (objfile, ps); | |
43f3e411 | 405 | return ps->compunit_symtab; |
ccefe4c4 TT |
406 | } |
407 | return NULL; | |
408 | } | |
409 | ||
410 | /* Find which partial symbol within a psymtab matches PC and SECTION. | |
95cf5869 | 411 | Return NULL if none. */ |
ccefe4c4 TT |
412 | |
413 | static struct partial_symbol * | |
5c80ed9d TT |
414 | find_pc_sect_psymbol (struct objfile *objfile, |
415 | struct partial_symtab *psymtab, CORE_ADDR pc, | |
ccefe4c4 TT |
416 | struct obj_section *section) |
417 | { | |
af5bf4ad | 418 | struct partial_symbol *best = NULL; |
ccefe4c4 | 419 | CORE_ADDR best_pc; |
79748972 | 420 | const CORE_ADDR textlow = psymtab->text_low (objfile); |
ccefe4c4 TT |
421 | |
422 | gdb_assert (psymtab != NULL); | |
423 | ||
0df8b418 | 424 | /* Cope with programs that start at address 0. */ |
79748972 | 425 | best_pc = (textlow != 0) ? textlow - 1 : 0; |
ccefe4c4 TT |
426 | |
427 | /* Search the global symbols as well as the static symbols, so that | |
428 | find_pc_partial_function doesn't use a minimal symbol and thus | |
429 | cache a bad endaddr. */ | |
af5bf4ad | 430 | for (int i = 0; i < psymtab->n_global_syms; i++) |
ccefe4c4 | 431 | { |
d320c2b5 TT |
432 | partial_symbol *p |
433 | = objfile->partial_symtabs->global_psymbols[psymtab->globals_offset | |
434 | + i]; | |
af5bf4ad | 435 | |
8a6d4234 TT |
436 | if (p->domain == VAR_DOMAIN |
437 | && p->aclass == LOC_BLOCK | |
02e9e7f7 TT |
438 | && pc >= p->address (objfile) |
439 | && (p->address (objfile) > best_pc | |
79748972 | 440 | || (psymtab->text_low (objfile) == 0 |
02e9e7f7 | 441 | && best_pc == 0 && p->address (objfile) == 0))) |
ccefe4c4 | 442 | { |
95cf5869 | 443 | if (section != NULL) /* Match on a specific section. */ |
ccefe4c4 | 444 | { |
8a6d4234 | 445 | if (!matching_obj_sections (p->obj_section (objfile), |
e27d198c | 446 | section)) |
ccefe4c4 TT |
447 | continue; |
448 | } | |
02e9e7f7 | 449 | best_pc = p->address (objfile); |
ccefe4c4 TT |
450 | best = p; |
451 | } | |
452 | } | |
453 | ||
af5bf4ad | 454 | for (int i = 0; i < psymtab->n_static_syms; i++) |
ccefe4c4 | 455 | { |
d320c2b5 TT |
456 | partial_symbol *p |
457 | = objfile->partial_symtabs->static_psymbols[psymtab->statics_offset | |
458 | + i]; | |
af5bf4ad | 459 | |
8a6d4234 TT |
460 | if (p->domain == VAR_DOMAIN |
461 | && p->aclass == LOC_BLOCK | |
02e9e7f7 TT |
462 | && pc >= p->address (objfile) |
463 | && (p->address (objfile) > best_pc | |
79748972 | 464 | || (psymtab->text_low (objfile) == 0 |
02e9e7f7 | 465 | && best_pc == 0 && p->address (objfile) == 0))) |
ccefe4c4 | 466 | { |
95cf5869 | 467 | if (section != NULL) /* Match on a specific section. */ |
ccefe4c4 | 468 | { |
8a6d4234 | 469 | if (!matching_obj_sections (p->obj_section (objfile), |
e27d198c | 470 | section)) |
ccefe4c4 TT |
471 | continue; |
472 | } | |
02e9e7f7 | 473 | best_pc = p->address (objfile); |
ccefe4c4 TT |
474 | best = p; |
475 | } | |
476 | } | |
477 | ||
478 | return best; | |
479 | } | |
480 | ||
95cf5869 DE |
481 | /* Psymtab version of lookup_symbol. See its definition in |
482 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 483 | |
43f3e411 | 484 | static struct compunit_symtab * |
83827540 DE |
485 | psym_lookup_symbol (struct objfile *objfile, |
486 | int block_index, const char *name, | |
487 | const domain_enum domain) | |
ccefe4c4 | 488 | { |
ccefe4c4 | 489 | const int psymtab_index = (block_index == GLOBAL_BLOCK ? 1 : 0); |
43f3e411 | 490 | struct compunit_symtab *stab_best = NULL; |
ccefe4c4 | 491 | |
b5ec771e PA |
492 | lookup_name_info lookup_name (name, symbol_name_match_type::FULL); |
493 | ||
b22a7c6a TT |
494 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
495 | { | |
496 | if (!ps->readin && lookup_partial_symbol (objfile, ps, name, | |
497 | psymtab_index, domain)) | |
498 | { | |
499 | struct symbol *sym, *with_opaque = NULL; | |
500 | struct compunit_symtab *stab = psymtab_to_symtab (objfile, ps); | |
501 | /* Note: While psymtab_to_symtab can return NULL if the | |
502 | partial symtab is empty, we can assume it won't here | |
503 | because lookup_partial_symbol succeeded. */ | |
504 | const struct blockvector *bv = COMPUNIT_BLOCKVECTOR (stab); | |
505 | struct block *block = BLOCKVECTOR_BLOCK (bv, block_index); | |
506 | ||
507 | sym = block_find_symbol (block, name, domain, | |
508 | block_find_non_opaque_type_preferred, | |
509 | &with_opaque); | |
510 | ||
511 | /* Some caution must be observed with overloaded functions | |
512 | and methods, since the index will not contain any overload | |
513 | information (but NAME might contain it). */ | |
514 | ||
515 | if (sym != NULL | |
516 | && SYMBOL_MATCHES_SEARCH_NAME (sym, lookup_name)) | |
517 | return stab; | |
518 | if (with_opaque != NULL | |
519 | && SYMBOL_MATCHES_SEARCH_NAME (with_opaque, lookup_name)) | |
520 | stab_best = stab; | |
521 | ||
522 | /* Keep looking through other psymtabs. */ | |
523 | } | |
524 | } | |
ccefe4c4 | 525 | |
bfb05775 | 526 | return stab_best; |
ccefe4c4 TT |
527 | } |
528 | ||
b5ec771e PA |
529 | /* Returns true if PSYM matches LOOKUP_NAME. */ |
530 | ||
531 | static bool | |
532 | psymbol_name_matches (partial_symbol *psym, | |
533 | const lookup_name_info &lookup_name) | |
534 | { | |
8a6d4234 | 535 | const language_defn *lang = language_def (psym->language); |
b5ec771e | 536 | symbol_name_matcher_ftype *name_match |
618daa93 | 537 | = get_symbol_name_matcher (lang, lookup_name); |
8a6d4234 | 538 | return name_match (symbol_search_name (psym), lookup_name, NULL); |
b5ec771e PA |
539 | } |
540 | ||
40658b94 PH |
541 | /* Look in PST for a symbol in DOMAIN whose name matches NAME. Search |
542 | the global block of PST if GLOBAL, and otherwise the static block. | |
543 | MATCH is the comparison operation that returns true iff MATCH (s, | |
544 | NAME), where s is a SYMBOL_SEARCH_NAME. If ORDERED_COMPARE is | |
545 | non-null, the symbols in the block are assumed to be ordered | |
546 | according to it (allowing binary search). It must be compatible | |
547 | with MATCH. Returns the symbol, if found, and otherwise NULL. */ | |
548 | ||
549 | static struct partial_symbol * | |
5c80ed9d TT |
550 | match_partial_symbol (struct objfile *objfile, |
551 | struct partial_symtab *pst, int global, | |
40658b94 | 552 | const char *name, domain_enum domain, |
b5ec771e | 553 | symbol_name_match_type match_type, |
2edb89d3 | 554 | symbol_compare_ftype *ordered_compare) |
40658b94 PH |
555 | { |
556 | struct partial_symbol **start, **psym; | |
557 | struct partial_symbol **top, **real_top, **bottom, **center; | |
558 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
559 | int do_linear_search = 1; | |
560 | ||
561 | if (length == 0) | |
b5ec771e PA |
562 | return NULL; |
563 | ||
564 | lookup_name_info lookup_name (name, match_type); | |
565 | ||
40658b94 | 566 | start = (global ? |
d320c2b5 TT |
567 | &objfile->partial_symtabs->global_psymbols[pst->globals_offset] : |
568 | &objfile->partial_symtabs->static_psymbols[pst->statics_offset]); | |
40658b94 PH |
569 | |
570 | if (global && ordered_compare) /* Can use a binary search. */ | |
571 | { | |
572 | do_linear_search = 0; | |
573 | ||
574 | /* Binary search. This search is guaranteed to end with center | |
575 | pointing at the earliest partial symbol whose name might be | |
576 | correct. At that point *all* partial symbols with an | |
577 | appropriate name will be checked against the correct | |
578 | domain. */ | |
579 | ||
580 | bottom = start; | |
581 | top = start + length - 1; | |
582 | real_top = top; | |
583 | while (top > bottom) | |
584 | { | |
585 | center = bottom + (top - bottom) / 2; | |
586 | gdb_assert (center < top); | |
b5ec771e | 587 | |
8a6d4234 | 588 | enum language lang = (*center)->language; |
b5ec771e PA |
589 | const char *lang_ln |
590 | = lookup_name.language_lookup_name (lang).c_str (); | |
591 | ||
8a6d4234 | 592 | if (ordered_compare (symbol_search_name (*center), lang_ln) >= 0) |
40658b94 PH |
593 | top = center; |
594 | else | |
595 | bottom = center + 1; | |
596 | } | |
597 | gdb_assert (top == bottom); | |
598 | ||
599 | while (top <= real_top | |
b5ec771e | 600 | && psymbol_name_matches (*top, lookup_name)) |
40658b94 | 601 | { |
8a6d4234 TT |
602 | if (symbol_matches_domain ((*top)->language, |
603 | (*top)->domain, domain)) | |
40658b94 PH |
604 | return *top; |
605 | top++; | |
606 | } | |
607 | } | |
608 | ||
609 | /* Can't use a binary search or else we found during the binary search that | |
610 | we should also do a linear search. */ | |
611 | ||
612 | if (do_linear_search) | |
613 | { | |
614 | for (psym = start; psym < start + length; psym++) | |
615 | { | |
8a6d4234 TT |
616 | if (symbol_matches_domain ((*psym)->language, |
617 | (*psym)->domain, domain) | |
b5ec771e | 618 | && psymbol_name_matches (*psym, lookup_name)) |
40658b94 PH |
619 | return *psym; |
620 | } | |
621 | } | |
622 | ||
623 | return NULL; | |
624 | } | |
625 | ||
c00f8484 KS |
626 | /* Returns the name used to search psymtabs. Unlike symtabs, psymtabs do |
627 | not contain any method/function instance information (since this would | |
628 | force reading type information while reading psymtabs). Therefore, | |
629 | if NAME contains overload information, it must be stripped before searching | |
109483d9 | 630 | psymtabs. */ |
c00f8484 | 631 | |
56f37645 | 632 | static gdb::unique_xmalloc_ptr<char> |
c00f8484 KS |
633 | psymtab_search_name (const char *name) |
634 | { | |
635 | switch (current_language->la_language) | |
636 | { | |
637 | case language_cplus: | |
c00f8484 | 638 | { |
b2a919a8 DE |
639 | if (strchr (name, '(')) |
640 | { | |
109483d9 | 641 | gdb::unique_xmalloc_ptr<char> ret = cp_remove_params (name); |
c00f8484 | 642 | |
b2a919a8 | 643 | if (ret) |
109483d9 | 644 | return ret; |
b2a919a8 | 645 | } |
c00f8484 KS |
646 | } |
647 | break; | |
648 | ||
649 | default: | |
650 | break; | |
651 | } | |
652 | ||
56f37645 | 653 | return gdb::unique_xmalloc_ptr<char> (xstrdup (name)); |
c00f8484 KS |
654 | } |
655 | ||
ccefe4c4 | 656 | /* Look, in partial_symtab PST, for symbol whose natural name is NAME. |
40658b94 | 657 | Check the global symbols if GLOBAL, the static symbols if not. */ |
ccefe4c4 | 658 | |
18430289 | 659 | static struct partial_symbol * |
5c80ed9d TT |
660 | lookup_partial_symbol (struct objfile *objfile, |
661 | struct partial_symtab *pst, const char *name, | |
ccefe4c4 TT |
662 | int global, domain_enum domain) |
663 | { | |
ccefe4c4 TT |
664 | struct partial_symbol **start, **psym; |
665 | struct partial_symbol **top, **real_top, **bottom, **center; | |
666 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
667 | int do_linear_search = 1; | |
668 | ||
669 | if (length == 0) | |
95cf5869 | 670 | return NULL; |
c00f8484 | 671 | |
56f37645 | 672 | gdb::unique_xmalloc_ptr<char> search_name = psymtab_search_name (name); |
b5ec771e PA |
673 | |
674 | lookup_name_info lookup_name (search_name.get (), symbol_name_match_type::FULL); | |
675 | ||
ccefe4c4 | 676 | start = (global ? |
d320c2b5 TT |
677 | &objfile->partial_symtabs->global_psymbols[pst->globals_offset] : |
678 | &objfile->partial_symtabs->static_psymbols[pst->statics_offset]); | |
ccefe4c4 | 679 | |
0df8b418 | 680 | if (global) /* This means we can use a binary search. */ |
ccefe4c4 TT |
681 | { |
682 | do_linear_search = 0; | |
683 | ||
684 | /* Binary search. This search is guaranteed to end with center | |
685 | pointing at the earliest partial symbol whose name might be | |
686 | correct. At that point *all* partial symbols with an | |
687 | appropriate name will be checked against the correct | |
688 | domain. */ | |
689 | ||
690 | bottom = start; | |
691 | top = start + length - 1; | |
692 | real_top = top; | |
693 | while (top > bottom) | |
694 | { | |
695 | center = bottom + (top - bottom) / 2; | |
696 | if (!(center < top)) | |
3e43a32a MS |
697 | internal_error (__FILE__, __LINE__, |
698 | _("failed internal consistency check")); | |
8a6d4234 | 699 | if (strcmp_iw_ordered (symbol_search_name (*center), |
56f37645 | 700 | search_name.get ()) >= 0) |
ccefe4c4 TT |
701 | { |
702 | top = center; | |
703 | } | |
704 | else | |
705 | { | |
706 | bottom = center + 1; | |
707 | } | |
708 | } | |
709 | if (!(top == bottom)) | |
3e43a32a MS |
710 | internal_error (__FILE__, __LINE__, |
711 | _("failed internal consistency check")); | |
ccefe4c4 | 712 | |
559a7a62 JK |
713 | /* For `case_sensitivity == case_sensitive_off' strcmp_iw_ordered will |
714 | search more exactly than what matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
8a6d4234 | 715 | while (top >= start && symbol_matches_search_name (*top, lookup_name)) |
559a7a62 JK |
716 | top--; |
717 | ||
718 | /* Fixup to have a symbol which matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
719 | top++; | |
720 | ||
8a6d4234 | 721 | while (top <= real_top && symbol_matches_search_name (*top, lookup_name)) |
ccefe4c4 | 722 | { |
8a6d4234 TT |
723 | if (symbol_matches_domain ((*top)->language, |
724 | (*top)->domain, domain)) | |
56f37645 | 725 | return *top; |
ccefe4c4 TT |
726 | top++; |
727 | } | |
728 | } | |
729 | ||
730 | /* Can't use a binary search or else we found during the binary search that | |
40658b94 | 731 | we should also do a linear search. */ |
ccefe4c4 TT |
732 | |
733 | if (do_linear_search) | |
734 | { | |
735 | for (psym = start; psym < start + length; psym++) | |
736 | { | |
8a6d4234 TT |
737 | if (symbol_matches_domain ((*psym)->language, |
738 | (*psym)->domain, domain) | |
739 | && symbol_matches_search_name (*psym, lookup_name)) | |
56f37645 | 740 | return *psym; |
ccefe4c4 TT |
741 | } |
742 | } | |
743 | ||
95cf5869 | 744 | return NULL; |
ccefe4c4 TT |
745 | } |
746 | ||
747 | /* Get the symbol table that corresponds to a partial_symtab. | |
f194fefb DE |
748 | This is fast after the first time you do it. |
749 | The result will be NULL if the primary symtab has no symbols, | |
750 | which can happen. Otherwise the result is the primary symtab | |
751 | that contains PST. */ | |
ccefe4c4 | 752 | |
43f3e411 | 753 | static struct compunit_symtab * |
5c80ed9d | 754 | psymtab_to_symtab (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 755 | { |
9439a077 TT |
756 | /* If it is a shared psymtab, find an unshared psymtab that includes |
757 | it. Any such psymtab will do. */ | |
758 | while (pst->user != NULL) | |
759 | pst = pst->user; | |
760 | ||
0df8b418 | 761 | /* If it's been looked up before, return it. */ |
43f3e411 DE |
762 | if (pst->compunit_symtab) |
763 | return pst->compunit_symtab; | |
ccefe4c4 TT |
764 | |
765 | /* If it has not yet been read in, read it. */ | |
766 | if (!pst->readin) | |
767 | { | |
c83dd867 | 768 | scoped_restore decrementer = increment_reading_symtab (); |
ad3bbd48 | 769 | |
257e7a09 | 770 | (*pst->read_symtab) (pst, objfile); |
ccefe4c4 TT |
771 | } |
772 | ||
43f3e411 | 773 | return pst->compunit_symtab; |
ccefe4c4 TT |
774 | } |
775 | ||
95cf5869 DE |
776 | /* Psymtab version of find_last_source_symtab. See its definition in |
777 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 778 | |
ccefe4c4 | 779 | static struct symtab * |
83827540 | 780 | psym_find_last_source_symtab (struct objfile *ofp) |
ccefe4c4 | 781 | { |
95cf5869 | 782 | struct partial_symtab *cs_pst = NULL; |
ccefe4c4 | 783 | |
b22a7c6a | 784 | for (partial_symtab *ps : require_partial_symbols (ofp, 1)) |
ccefe4c4 TT |
785 | { |
786 | const char *name = ps->filename; | |
787 | int len = strlen (name); | |
ad3bbd48 | 788 | |
ccefe4c4 TT |
789 | if (!(len > 2 && (strcmp (&name[len - 2], ".h") == 0 |
790 | || strcmp (name, "<<C++-namespaces>>") == 0))) | |
791 | cs_pst = ps; | |
792 | } | |
793 | ||
794 | if (cs_pst) | |
795 | { | |
796 | if (cs_pst->readin) | |
797 | { | |
798 | internal_error (__FILE__, __LINE__, | |
799 | _("select_source_symtab: " | |
800 | "readin pst found and no symtabs.")); | |
801 | } | |
802 | else | |
43f3e411 DE |
803 | { |
804 | struct compunit_symtab *cust = psymtab_to_symtab (ofp, cs_pst); | |
805 | ||
806 | if (cust == NULL) | |
807 | return NULL; | |
808 | return compunit_primary_filetab (cust); | |
809 | } | |
ccefe4c4 TT |
810 | } |
811 | return NULL; | |
812 | } | |
813 | ||
95cf5869 DE |
814 | /* Psymtab version of forget_cached_source_info. See its definition in |
815 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 816 | |
ccefe4c4 | 817 | static void |
83827540 | 818 | psym_forget_cached_source_info (struct objfile *objfile) |
ccefe4c4 | 819 | { |
b22a7c6a | 820 | for (partial_symtab *pst : require_partial_symbols (objfile, 1)) |
ccefe4c4 TT |
821 | { |
822 | if (pst->fullname != NULL) | |
823 | { | |
824 | xfree (pst->fullname); | |
825 | pst->fullname = NULL; | |
826 | } | |
827 | } | |
828 | } | |
829 | ||
830 | static void | |
02e9e7f7 | 831 | print_partial_symbols (struct gdbarch *gdbarch, struct objfile *objfile, |
a121b7c1 | 832 | struct partial_symbol **p, int count, const char *what, |
ccefe4c4 TT |
833 | struct ui_file *outfile) |
834 | { | |
835 | fprintf_filtered (outfile, " %s partial symbols:\n", what); | |
836 | while (count-- > 0) | |
837 | { | |
27618ce4 | 838 | QUIT; |
8a6d4234 TT |
839 | fprintf_filtered (outfile, " `%s'", (*p)->name); |
840 | if (symbol_demangled_name (*p) != NULL) | |
ccefe4c4 | 841 | { |
8a6d4234 | 842 | fprintf_filtered (outfile, " `%s'", symbol_demangled_name (*p)); |
ccefe4c4 TT |
843 | } |
844 | fputs_filtered (", ", outfile); | |
8a6d4234 | 845 | switch ((*p)->domain) |
ccefe4c4 TT |
846 | { |
847 | case UNDEF_DOMAIN: | |
848 | fputs_filtered ("undefined domain, ", outfile); | |
849 | break; | |
850 | case VAR_DOMAIN: | |
0df8b418 | 851 | /* This is the usual thing -- don't print it. */ |
ccefe4c4 TT |
852 | break; |
853 | case STRUCT_DOMAIN: | |
854 | fputs_filtered ("struct domain, ", outfile); | |
855 | break; | |
856 | case LABEL_DOMAIN: | |
857 | fputs_filtered ("label domain, ", outfile); | |
858 | break; | |
859 | default: | |
860 | fputs_filtered ("<invalid domain>, ", outfile); | |
861 | break; | |
862 | } | |
8a6d4234 | 863 | switch ((*p)->aclass) |
ccefe4c4 TT |
864 | { |
865 | case LOC_UNDEF: | |
866 | fputs_filtered ("undefined", outfile); | |
867 | break; | |
868 | case LOC_CONST: | |
869 | fputs_filtered ("constant int", outfile); | |
870 | break; | |
871 | case LOC_STATIC: | |
872 | fputs_filtered ("static", outfile); | |
873 | break; | |
874 | case LOC_REGISTER: | |
875 | fputs_filtered ("register", outfile); | |
876 | break; | |
877 | case LOC_ARG: | |
878 | fputs_filtered ("pass by value", outfile); | |
879 | break; | |
880 | case LOC_REF_ARG: | |
881 | fputs_filtered ("pass by reference", outfile); | |
882 | break; | |
883 | case LOC_REGPARM_ADDR: | |
884 | fputs_filtered ("register address parameter", outfile); | |
885 | break; | |
886 | case LOC_LOCAL: | |
887 | fputs_filtered ("stack parameter", outfile); | |
888 | break; | |
889 | case LOC_TYPEDEF: | |
890 | fputs_filtered ("type", outfile); | |
891 | break; | |
892 | case LOC_LABEL: | |
893 | fputs_filtered ("label", outfile); | |
894 | break; | |
895 | case LOC_BLOCK: | |
896 | fputs_filtered ("function", outfile); | |
897 | break; | |
898 | case LOC_CONST_BYTES: | |
899 | fputs_filtered ("constant bytes", outfile); | |
900 | break; | |
901 | case LOC_UNRESOLVED: | |
902 | fputs_filtered ("unresolved", outfile); | |
903 | break; | |
904 | case LOC_OPTIMIZED_OUT: | |
905 | fputs_filtered ("optimized out", outfile); | |
906 | break; | |
907 | case LOC_COMPUTED: | |
908 | fputs_filtered ("computed at runtime", outfile); | |
909 | break; | |
910 | default: | |
911 | fputs_filtered ("<invalid location>", outfile); | |
912 | break; | |
913 | } | |
914 | fputs_filtered (", ", outfile); | |
02e9e7f7 | 915 | fputs_filtered (paddress (gdbarch, (*p)->unrelocated_address ()), outfile); |
ccefe4c4 TT |
916 | fprintf_filtered (outfile, "\n"); |
917 | p++; | |
918 | } | |
919 | } | |
920 | ||
921 | static void | |
922 | dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab, | |
923 | struct ui_file *outfile) | |
924 | { | |
925 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
926 | int i; | |
927 | ||
b4c41fc7 DE |
928 | if (psymtab->anonymous) |
929 | { | |
930 | fprintf_filtered (outfile, "\nAnonymous partial symtab (%s) ", | |
931 | psymtab->filename); | |
932 | } | |
933 | else | |
934 | { | |
935 | fprintf_filtered (outfile, "\nPartial symtab for source file %s ", | |
936 | psymtab->filename); | |
937 | } | |
ccefe4c4 TT |
938 | fprintf_filtered (outfile, "(object "); |
939 | gdb_print_host_address (psymtab, outfile); | |
940 | fprintf_filtered (outfile, ")\n\n"); | |
22068491 TT |
941 | fprintf_filtered (outfile, " Read from object file %s (", |
942 | objfile_name (objfile)); | |
ccefe4c4 | 943 | gdb_print_host_address (objfile, outfile); |
22068491 | 944 | fprintf_filtered (outfile, ")\n"); |
ccefe4c4 TT |
945 | |
946 | if (psymtab->readin) | |
947 | { | |
948 | fprintf_filtered (outfile, | |
949 | " Full symtab was read (at "); | |
43f3e411 | 950 | gdb_print_host_address (psymtab->compunit_symtab, outfile); |
ccefe4c4 TT |
951 | fprintf_filtered (outfile, " by function at "); |
952 | gdb_print_host_address (psymtab->read_symtab, outfile); | |
953 | fprintf_filtered (outfile, ")\n"); | |
954 | } | |
955 | ||
ccefe4c4 | 956 | fprintf_filtered (outfile, " Symbols cover text addresses "); |
79748972 | 957 | fputs_filtered (paddress (gdbarch, psymtab->text_low (objfile)), outfile); |
ccefe4c4 | 958 | fprintf_filtered (outfile, "-"); |
79748972 | 959 | fputs_filtered (paddress (gdbarch, psymtab->text_high (objfile)), outfile); |
ccefe4c4 | 960 | fprintf_filtered (outfile, "\n"); |
9750bca9 JK |
961 | fprintf_filtered (outfile, " Address map supported - %s.\n", |
962 | psymtab->psymtabs_addrmap_supported ? "yes" : "no"); | |
ccefe4c4 TT |
963 | fprintf_filtered (outfile, " Depends on %d other partial symtabs.\n", |
964 | psymtab->number_of_dependencies); | |
965 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
966 | { | |
967 | fprintf_filtered (outfile, " %d ", i); | |
968 | gdb_print_host_address (psymtab->dependencies[i], outfile); | |
969 | fprintf_filtered (outfile, " %s\n", | |
970 | psymtab->dependencies[i]->filename); | |
971 | } | |
9439a077 TT |
972 | if (psymtab->user != NULL) |
973 | { | |
974 | fprintf_filtered (outfile, " Shared partial symtab with user "); | |
975 | gdb_print_host_address (psymtab->user, outfile); | |
976 | fprintf_filtered (outfile, "\n"); | |
977 | } | |
ccefe4c4 TT |
978 | if (psymtab->n_global_syms > 0) |
979 | { | |
d320c2b5 TT |
980 | print_partial_symbols |
981 | (gdbarch, objfile, | |
982 | &objfile->partial_symtabs->global_psymbols[psymtab->globals_offset], | |
983 | psymtab->n_global_syms, "Global", outfile); | |
ccefe4c4 TT |
984 | } |
985 | if (psymtab->n_static_syms > 0) | |
986 | { | |
d320c2b5 TT |
987 | print_partial_symbols |
988 | (gdbarch, objfile, | |
989 | &objfile->partial_symtabs->static_psymbols[psymtab->statics_offset], | |
990 | psymtab->n_static_syms, "Static", outfile); | |
ccefe4c4 TT |
991 | } |
992 | fprintf_filtered (outfile, "\n"); | |
993 | } | |
994 | ||
95cf5869 DE |
995 | /* Psymtab version of print_stats. See its definition in |
996 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 997 | |
ccefe4c4 | 998 | static void |
83827540 | 999 | psym_print_stats (struct objfile *objfile) |
ccefe4c4 TT |
1000 | { |
1001 | int i; | |
ad3bbd48 | 1002 | |
ccefe4c4 | 1003 | i = 0; |
b22a7c6a | 1004 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
ccefe4c4 TT |
1005 | { |
1006 | if (ps->readin == 0) | |
1007 | i++; | |
1008 | } | |
1009 | printf_filtered (_(" Number of psym tables (not yet expanded): %d\n"), i); | |
1010 | } | |
1011 | ||
95cf5869 DE |
1012 | /* Psymtab version of dump. See its definition in |
1013 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1014 | |
ccefe4c4 | 1015 | static void |
83827540 | 1016 | psym_dump (struct objfile *objfile) |
ccefe4c4 TT |
1017 | { |
1018 | struct partial_symtab *psymtab; | |
1019 | ||
d320c2b5 | 1020 | if (objfile->partial_symtabs->psymtabs) |
ccefe4c4 TT |
1021 | { |
1022 | printf_filtered ("Psymtabs:\n"); | |
d320c2b5 | 1023 | for (psymtab = objfile->partial_symtabs->psymtabs; |
ccefe4c4 TT |
1024 | psymtab != NULL; |
1025 | psymtab = psymtab->next) | |
1026 | { | |
1027 | printf_filtered ("%s at ", | |
1028 | psymtab->filename); | |
1029 | gdb_print_host_address (psymtab, gdb_stdout); | |
1030 | printf_filtered (", "); | |
ccefe4c4 TT |
1031 | wrap_here (" "); |
1032 | } | |
1033 | printf_filtered ("\n\n"); | |
1034 | } | |
1035 | } | |
1036 | ||
95cf5869 DE |
1037 | /* Psymtab version of expand_symtabs_for_function. See its definition in |
1038 | the definition of quick_symbol_functions in symfile.h. */ | |
ccefe4c4 TT |
1039 | |
1040 | static void | |
83827540 DE |
1041 | psym_expand_symtabs_for_function (struct objfile *objfile, |
1042 | const char *func_name) | |
ccefe4c4 | 1043 | { |
b22a7c6a TT |
1044 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
1045 | { | |
1046 | if (ps->readin) | |
1047 | continue; | |
ccefe4c4 | 1048 | |
b22a7c6a TT |
1049 | if ((lookup_partial_symbol (objfile, ps, func_name, 1, VAR_DOMAIN) |
1050 | != NULL) | |
1051 | || (lookup_partial_symbol (objfile, ps, func_name, 0, VAR_DOMAIN) | |
1052 | != NULL)) | |
1053 | psymtab_to_symtab (objfile, ps); | |
1054 | } | |
ccefe4c4 TT |
1055 | } |
1056 | ||
95cf5869 DE |
1057 | /* Psymtab version of expand_all_symtabs. See its definition in |
1058 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1059 | |
ccefe4c4 | 1060 | static void |
83827540 | 1061 | psym_expand_all_symtabs (struct objfile *objfile) |
ccefe4c4 | 1062 | { |
b22a7c6a TT |
1063 | for (partial_symtab *psymtab : require_partial_symbols (objfile, 1)) |
1064 | psymtab_to_symtab (objfile, psymtab); | |
ccefe4c4 TT |
1065 | } |
1066 | ||
95cf5869 DE |
1067 | /* Psymtab version of expand_symtabs_with_fullname. See its definition in |
1068 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1069 | |
ccefe4c4 | 1070 | static void |
83827540 DE |
1071 | psym_expand_symtabs_with_fullname (struct objfile *objfile, |
1072 | const char *fullname) | |
ccefe4c4 | 1073 | { |
b22a7c6a | 1074 | for (partial_symtab *p : require_partial_symbols (objfile, 1)) |
ccefe4c4 | 1075 | { |
b4c41fc7 DE |
1076 | /* Anonymous psymtabs don't have a name of a source file. */ |
1077 | if (p->anonymous) | |
1078 | continue; | |
1079 | ||
5ff888ce DE |
1080 | /* psymtab_to_fullname tries to open the file which is slow. |
1081 | Don't call it if we know the basenames don't match. */ | |
1082 | if ((basenames_may_differ | |
1083 | || filename_cmp (lbasename (fullname), lbasename (p->filename)) == 0) | |
1084 | && filename_cmp (fullname, psymtab_to_fullname (p)) == 0) | |
5c80ed9d | 1085 | psymtab_to_symtab (objfile, p); |
ccefe4c4 TT |
1086 | } |
1087 | } | |
1088 | ||
95cf5869 DE |
1089 | /* Psymtab version of map_symbol_filenames. See its definition in |
1090 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1091 | |
ccefe4c4 | 1092 | static void |
83827540 DE |
1093 | psym_map_symbol_filenames (struct objfile *objfile, |
1094 | symbol_filename_ftype *fun, void *data, | |
1095 | int need_fullname) | |
ccefe4c4 | 1096 | { |
b22a7c6a | 1097 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
ccefe4c4 TT |
1098 | { |
1099 | const char *fullname; | |
1100 | ||
1101 | if (ps->readin) | |
1102 | continue; | |
1103 | ||
f80c6f3f DE |
1104 | /* We can skip shared psymtabs here, because any file name will be |
1105 | attached to the unshared psymtab. */ | |
1106 | if (ps->user != NULL) | |
1107 | continue; | |
1108 | ||
b4c41fc7 DE |
1109 | /* Anonymous psymtabs don't have a file name. */ |
1110 | if (ps->anonymous) | |
1111 | continue; | |
1112 | ||
821296b7 | 1113 | QUIT; |
74e2f255 DE |
1114 | if (need_fullname) |
1115 | fullname = psymtab_to_fullname (ps); | |
1116 | else | |
1117 | fullname = NULL; | |
2837d59e | 1118 | (*fun) (ps->filename, fullname, data); |
ccefe4c4 TT |
1119 | } |
1120 | } | |
1121 | ||
ccefe4c4 TT |
1122 | /* Finds the fullname that a partial_symtab represents. |
1123 | ||
1124 | If this functions finds the fullname, it will save it in ps->fullname | |
1125 | and it will also return the value. | |
1126 | ||
1127 | If this function fails to find the file that this partial_symtab represents, | |
1128 | NULL will be returned and ps->fullname will be set to NULL. */ | |
256f06f3 | 1129 | |
da5132d3 | 1130 | static const char * |
ccefe4c4 TT |
1131 | psymtab_to_fullname (struct partial_symtab *ps) |
1132 | { | |
fbd9ab74 | 1133 | gdb_assert (!ps->anonymous); |
ccefe4c4 | 1134 | |
256f06f3 DE |
1135 | /* Use cached copy if we have it. |
1136 | We rely on forget_cached_source_info being called appropriately | |
1137 | to handle cases like the file being moved. */ | |
fbd9ab74 JK |
1138 | if (ps->fullname == NULL) |
1139 | { | |
e0cc99a6 | 1140 | gdb::unique_xmalloc_ptr<char> fullname; |
2179fbc3 TT |
1141 | scoped_fd fd = find_and_open_source (ps->filename, ps->dirname, |
1142 | &fullname); | |
e0cc99a6 | 1143 | ps->fullname = fullname.release (); |
256f06f3 | 1144 | |
2179fbc3 | 1145 | if (fd.get () < 0) |
fbd9ab74 | 1146 | { |
fbd9ab74 JK |
1147 | /* rewrite_source_path would be applied by find_and_open_source, we |
1148 | should report the pathname where GDB tried to find the file. */ | |
ccefe4c4 | 1149 | |
fbd9ab74 | 1150 | if (ps->dirname == NULL || IS_ABSOLUTE_PATH (ps->filename)) |
0b581c69 | 1151 | fullname.reset (xstrdup (ps->filename)); |
fbd9ab74 | 1152 | else |
0b581c69 TT |
1153 | fullname.reset (concat (ps->dirname, SLASH_STRING, |
1154 | ps->filename, (char *) NULL)); | |
fbd9ab74 | 1155 | |
0b581c69 | 1156 | ps->fullname = rewrite_source_path (fullname.get ()).release (); |
fbd9ab74 | 1157 | if (ps->fullname == NULL) |
0b581c69 | 1158 | ps->fullname = fullname.release (); |
fbd9ab74 | 1159 | } |
95cf5869 | 1160 | } |
fbd9ab74 JK |
1161 | |
1162 | return ps->fullname; | |
ccefe4c4 TT |
1163 | } |
1164 | ||
95cf5869 DE |
1165 | /* For all symbols, s, in BLOCK that are in DOMAIN and match NAME |
1166 | according to the function MATCH, call CALLBACK(BLOCK, s, DATA). | |
1167 | BLOCK is assumed to come from OBJFILE. Returns 1 iff CALLBACK | |
1168 | ever returns non-zero, and otherwise returns 0. */ | |
ccefe4c4 | 1169 | |
40658b94 | 1170 | static int |
fe978cb0 | 1171 | map_block (const char *name, domain_enum domain, struct objfile *objfile, |
40658b94 PH |
1172 | struct block *block, |
1173 | int (*callback) (struct block *, struct symbol *, void *), | |
b5ec771e | 1174 | void *data, symbol_name_match_type match) |
ccefe4c4 | 1175 | { |
8157b174 | 1176 | struct block_iterator iter; |
40658b94 | 1177 | struct symbol *sym; |
ccefe4c4 | 1178 | |
b5ec771e PA |
1179 | lookup_name_info lookup_name (name, match); |
1180 | ||
1181 | for (sym = block_iter_match_first (block, lookup_name, &iter); | |
1182 | sym != NULL; | |
1183 | sym = block_iter_match_next (lookup_name, &iter)) | |
ccefe4c4 | 1184 | { |
95cf5869 | 1185 | if (symbol_matches_domain (SYMBOL_LANGUAGE (sym), |
fe978cb0 | 1186 | SYMBOL_DOMAIN (sym), domain)) |
40658b94 PH |
1187 | { |
1188 | if (callback (block, sym, data)) | |
1189 | return 1; | |
1190 | } | |
ccefe4c4 TT |
1191 | } |
1192 | ||
40658b94 | 1193 | return 0; |
ccefe4c4 TT |
1194 | } |
1195 | ||
95cf5869 DE |
1196 | /* Psymtab version of map_matching_symbols. See its definition in |
1197 | the definition of quick_symbol_functions in symfile.h. */ | |
40658b94 | 1198 | |
ccefe4c4 | 1199 | static void |
83827540 | 1200 | psym_map_matching_symbols (struct objfile *objfile, |
fe978cb0 | 1201 | const char *name, domain_enum domain, |
83827540 DE |
1202 | int global, |
1203 | int (*callback) (struct block *, | |
1204 | struct symbol *, void *), | |
1205 | void *data, | |
b5ec771e | 1206 | symbol_name_match_type match, |
83827540 | 1207 | symbol_compare_ftype *ordered_compare) |
ccefe4c4 | 1208 | { |
40658b94 | 1209 | const int block_kind = global ? GLOBAL_BLOCK : STATIC_BLOCK; |
ccefe4c4 | 1210 | |
b22a7c6a | 1211 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
ccefe4c4 TT |
1212 | { |
1213 | QUIT; | |
1214 | if (ps->readin | |
fe978cb0 | 1215 | || match_partial_symbol (objfile, ps, global, name, domain, match, |
40658b94 | 1216 | ordered_compare)) |
ccefe4c4 | 1217 | { |
43f3e411 | 1218 | struct compunit_symtab *cust = psymtab_to_symtab (objfile, ps); |
40658b94 | 1219 | struct block *block; |
ad3bbd48 | 1220 | |
43f3e411 | 1221 | if (cust == NULL) |
ccefe4c4 | 1222 | continue; |
43f3e411 | 1223 | block = BLOCKVECTOR_BLOCK (COMPUNIT_BLOCKVECTOR (cust), block_kind); |
fe978cb0 | 1224 | if (map_block (name, domain, objfile, block, |
40658b94 PH |
1225 | callback, data, match)) |
1226 | return; | |
1227 | if (callback (block, NULL, data)) | |
1228 | return; | |
ccefe4c4 TT |
1229 | } |
1230 | } | |
95cf5869 | 1231 | } |
ccefe4c4 | 1232 | |
14bc53a8 PA |
1233 | /* A helper for psym_expand_symtabs_matching that handles searching |
1234 | included psymtabs. This returns true if a symbol is found, and | |
1235 | false otherwise. It also updates the 'searched_flag' on the | |
9439a077 TT |
1236 | various psymtabs that it searches. */ |
1237 | ||
14bc53a8 PA |
1238 | static bool |
1239 | recursively_search_psymtabs | |
d2f7dcb2 JB |
1240 | (struct partial_symtab *ps, |
1241 | struct objfile *objfile, | |
1242 | enum search_domain domain, | |
b5ec771e | 1243 | const lookup_name_info &lookup_name, |
14bc53a8 | 1244 | gdb::function_view<expand_symtabs_symbol_matcher_ftype> sym_matcher) |
9439a077 | 1245 | { |
9439a077 | 1246 | int keep_going = 1; |
f486487f | 1247 | enum psymtab_search_status result = PST_SEARCHED_AND_NOT_FOUND; |
9439a077 TT |
1248 | int i; |
1249 | ||
1250 | if (ps->searched_flag != PST_NOT_SEARCHED) | |
1251 | return ps->searched_flag == PST_SEARCHED_AND_FOUND; | |
1252 | ||
1253 | /* Recurse into shared psymtabs first, because they may have already | |
1254 | been searched, and this could save some time. */ | |
1255 | for (i = 0; i < ps->number_of_dependencies; ++i) | |
1256 | { | |
1257 | int r; | |
1258 | ||
1259 | /* Skip non-shared dependencies, these are handled elsewhere. */ | |
1260 | if (ps->dependencies[i]->user == NULL) | |
1261 | continue; | |
1262 | ||
1263 | r = recursively_search_psymtabs (ps->dependencies[i], | |
b5ec771e PA |
1264 | objfile, domain, lookup_name, |
1265 | sym_matcher); | |
9439a077 TT |
1266 | if (r != 0) |
1267 | { | |
1268 | ps->searched_flag = PST_SEARCHED_AND_FOUND; | |
14bc53a8 | 1269 | return true; |
9439a077 TT |
1270 | } |
1271 | } | |
1272 | ||
af5bf4ad | 1273 | partial_symbol **gbound |
d320c2b5 TT |
1274 | = (objfile->partial_symtabs->global_psymbols.data () |
1275 | + ps->globals_offset + ps->n_global_syms); | |
af5bf4ad | 1276 | partial_symbol **sbound |
d320c2b5 TT |
1277 | = (objfile->partial_symtabs->static_psymbols.data () |
1278 | + ps->statics_offset + ps->n_static_syms); | |
af5bf4ad | 1279 | partial_symbol **bound = gbound; |
9439a077 TT |
1280 | |
1281 | /* Go through all of the symbols stored in a partial | |
1282 | symtab in one loop. */ | |
d320c2b5 TT |
1283 | partial_symbol **psym = (objfile->partial_symtabs->global_psymbols.data () |
1284 | + ps->globals_offset); | |
9439a077 TT |
1285 | while (keep_going) |
1286 | { | |
1287 | if (psym >= bound) | |
1288 | { | |
1289 | if (bound == gbound && ps->n_static_syms != 0) | |
1290 | { | |
d320c2b5 TT |
1291 | psym = (objfile->partial_symtabs->static_psymbols.data () |
1292 | + ps->statics_offset); | |
9439a077 TT |
1293 | bound = sbound; |
1294 | } | |
1295 | else | |
1296 | keep_going = 0; | |
1297 | continue; | |
1298 | } | |
1299 | else | |
1300 | { | |
1301 | QUIT; | |
1302 | ||
b5ec771e PA |
1303 | if ((domain == ALL_DOMAIN |
1304 | || (domain == VARIABLES_DOMAIN | |
8a6d4234 TT |
1305 | && (*psym)->aclass != LOC_TYPEDEF |
1306 | && (*psym)->aclass != LOC_BLOCK) | |
b5ec771e | 1307 | || (domain == FUNCTIONS_DOMAIN |
8a6d4234 | 1308 | && (*psym)->aclass == LOC_BLOCK) |
b5ec771e | 1309 | || (domain == TYPES_DOMAIN |
8a6d4234 | 1310 | && (*psym)->aclass == LOC_TYPEDEF)) |
b5ec771e | 1311 | && psymbol_name_matches (*psym, lookup_name) |
8a6d4234 | 1312 | && (sym_matcher == NULL || sym_matcher (symbol_search_name (*psym)))) |
9439a077 TT |
1313 | { |
1314 | /* Found a match, so notify our caller. */ | |
1315 | result = PST_SEARCHED_AND_FOUND; | |
1316 | keep_going = 0; | |
1317 | } | |
1318 | } | |
1319 | psym++; | |
1320 | } | |
1321 | ||
1322 | ps->searched_flag = result; | |
1323 | return result == PST_SEARCHED_AND_FOUND; | |
1324 | } | |
1325 | ||
95cf5869 DE |
1326 | /* Psymtab version of expand_symtabs_matching. See its definition in |
1327 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1328 | |
ccefe4c4 | 1329 | static void |
83827540 | 1330 | psym_expand_symtabs_matching |
f8eba3c6 | 1331 | (struct objfile *objfile, |
14bc53a8 | 1332 | gdb::function_view<expand_symtabs_file_matcher_ftype> file_matcher, |
c62446b1 | 1333 | const lookup_name_info &lookup_name_in, |
14bc53a8 PA |
1334 | gdb::function_view<expand_symtabs_symbol_matcher_ftype> symbol_matcher, |
1335 | gdb::function_view<expand_symtabs_exp_notify_ftype> expansion_notify, | |
b5ec771e | 1336 | enum search_domain domain) |
ccefe4c4 | 1337 | { |
c62446b1 PA |
1338 | lookup_name_info lookup_name = lookup_name_in.make_ignore_params (); |
1339 | ||
9439a077 | 1340 | /* Clear the search flags. */ |
b22a7c6a TT |
1341 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
1342 | ps->searched_flag = PST_NOT_SEARCHED; | |
ccefe4c4 | 1343 | |
f252c6d5 | 1344 | for (partial_symtab *ps : objfile->psymtabs ()) |
9439a077 | 1345 | { |
30b3dd9d DE |
1346 | QUIT; |
1347 | ||
ccefe4c4 TT |
1348 | if (ps->readin) |
1349 | continue; | |
1350 | ||
9439a077 TT |
1351 | /* We skip shared psymtabs because file-matching doesn't apply |
1352 | to them; but we search them later in the loop. */ | |
1353 | if (ps->user != NULL) | |
ccefe4c4 TT |
1354 | continue; |
1355 | ||
b4c41fc7 DE |
1356 | if (file_matcher) |
1357 | { | |
14bc53a8 | 1358 | bool match; |
680d1742 | 1359 | |
b4c41fc7 DE |
1360 | if (ps->anonymous) |
1361 | continue; | |
fbd9ab74 | 1362 | |
14bc53a8 | 1363 | match = file_matcher (ps->filename, false); |
680d1742 DE |
1364 | if (!match) |
1365 | { | |
1366 | /* Before we invoke realpath, which can get expensive when many | |
1367 | files are involved, do a quick comparison of the basenames. */ | |
1368 | if (basenames_may_differ | |
14bc53a8 PA |
1369 | || file_matcher (lbasename (ps->filename), true)) |
1370 | match = file_matcher (psymtab_to_fullname (ps), false); | |
680d1742 DE |
1371 | } |
1372 | if (!match) | |
b4c41fc7 DE |
1373 | continue; |
1374 | } | |
ccefe4c4 | 1375 | |
b5ec771e PA |
1376 | if (recursively_search_psymtabs (ps, objfile, domain, |
1377 | lookup_name, symbol_matcher)) | |
276d885b GB |
1378 | { |
1379 | struct compunit_symtab *symtab = | |
1380 | psymtab_to_symtab (objfile, ps); | |
1381 | ||
1382 | if (expansion_notify != NULL) | |
14bc53a8 | 1383 | expansion_notify (symtab); |
276d885b | 1384 | } |
ccefe4c4 TT |
1385 | } |
1386 | } | |
1387 | ||
95cf5869 DE |
1388 | /* Psymtab version of has_symbols. See its definition in |
1389 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1390 | |
ccefe4c4 | 1391 | static int |
83827540 | 1392 | psym_has_symbols (struct objfile *objfile) |
ccefe4c4 | 1393 | { |
d320c2b5 | 1394 | return objfile->partial_symtabs->psymtabs != NULL; |
ccefe4c4 TT |
1395 | } |
1396 | ||
71a3c369 TT |
1397 | /* Helper function for psym_find_compunit_symtab_by_address that fills |
1398 | in psymbol_map for a given range of psymbols. */ | |
1399 | ||
1400 | static void | |
1401 | psym_fill_psymbol_map (struct objfile *objfile, | |
1402 | struct partial_symtab *psymtab, | |
1403 | std::set<CORE_ADDR> *seen_addrs, | |
1404 | const std::vector<partial_symbol *> &symbols, | |
1405 | int start, | |
1406 | int length) | |
1407 | { | |
1408 | for (int i = 0; i < length; ++i) | |
1409 | { | |
1410 | struct partial_symbol *psym = symbols[start + i]; | |
1411 | ||
8a6d4234 | 1412 | if (psym->aclass == LOC_STATIC) |
71a3c369 | 1413 | { |
02e9e7f7 | 1414 | CORE_ADDR addr = psym->address (objfile); |
71a3c369 TT |
1415 | if (seen_addrs->find (addr) == seen_addrs->end ()) |
1416 | { | |
1417 | seen_addrs->insert (addr); | |
1418 | objfile->psymbol_map.emplace_back (addr, psymtab); | |
1419 | } | |
1420 | } | |
1421 | } | |
1422 | } | |
1423 | ||
1424 | /* See find_compunit_symtab_by_address in quick_symbol_functions, in | |
1425 | symfile.h. */ | |
1426 | ||
1427 | static compunit_symtab * | |
1428 | psym_find_compunit_symtab_by_address (struct objfile *objfile, | |
1429 | CORE_ADDR address) | |
1430 | { | |
1431 | if (objfile->psymbol_map.empty ()) | |
1432 | { | |
71a3c369 TT |
1433 | std::set<CORE_ADDR> seen_addrs; |
1434 | ||
b22a7c6a TT |
1435 | for (partial_symtab *pst : require_partial_symbols (objfile, 1)) |
1436 | { | |
1437 | psym_fill_psymbol_map (objfile, pst, | |
1438 | &seen_addrs, | |
d320c2b5 | 1439 | objfile->partial_symtabs->global_psymbols, |
b22a7c6a TT |
1440 | pst->globals_offset, |
1441 | pst->n_global_syms); | |
1442 | psym_fill_psymbol_map (objfile, pst, | |
1443 | &seen_addrs, | |
d320c2b5 | 1444 | objfile->partial_symtabs->static_psymbols, |
b22a7c6a TT |
1445 | pst->statics_offset, |
1446 | pst->n_static_syms); | |
1447 | } | |
71a3c369 TT |
1448 | |
1449 | objfile->psymbol_map.shrink_to_fit (); | |
1450 | ||
1451 | std::sort (objfile->psymbol_map.begin (), objfile->psymbol_map.end (), | |
1452 | [] (const std::pair<CORE_ADDR, partial_symtab *> &a, | |
1453 | const std::pair<CORE_ADDR, partial_symtab *> &b) | |
1454 | { | |
1455 | return a.first < b.first; | |
1456 | }); | |
1457 | } | |
1458 | ||
1459 | auto iter = std::lower_bound | |
1460 | (objfile->psymbol_map.begin (), objfile->psymbol_map.end (), address, | |
1461 | [] (const std::pair<CORE_ADDR, partial_symtab *> &a, | |
1462 | CORE_ADDR b) | |
1463 | { | |
1464 | return a.first < b; | |
1465 | }); | |
1466 | ||
1467 | if (iter == objfile->psymbol_map.end () || iter->first != address) | |
1468 | return NULL; | |
1469 | ||
1470 | return psymtab_to_symtab (objfile, iter->second); | |
1471 | } | |
1472 | ||
ccefe4c4 TT |
1473 | const struct quick_symbol_functions psym_functions = |
1474 | { | |
83827540 DE |
1475 | psym_has_symbols, |
1476 | psym_find_last_source_symtab, | |
1477 | psym_forget_cached_source_info, | |
1478 | psym_map_symtabs_matching_filename, | |
1479 | psym_lookup_symbol, | |
1480 | psym_print_stats, | |
1481 | psym_dump, | |
83827540 DE |
1482 | psym_expand_symtabs_for_function, |
1483 | psym_expand_all_symtabs, | |
1484 | psym_expand_symtabs_with_fullname, | |
1485 | psym_map_matching_symbols, | |
1486 | psym_expand_symtabs_matching, | |
1487 | psym_find_pc_sect_compunit_symtab, | |
71a3c369 | 1488 | psym_find_compunit_symtab_by_address, |
83827540 | 1489 | psym_map_symbol_filenames |
ccefe4c4 TT |
1490 | }; |
1491 | ||
1492 | \f | |
1493 | ||
8763cede | 1494 | static void |
5c80ed9d | 1495 | sort_pst_symbols (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 1496 | { |
0df8b418 | 1497 | /* Sort the global list; don't sort the static list. */ |
d320c2b5 | 1498 | auto begin = objfile->partial_symtabs->global_psymbols.begin (); |
af5bf4ad SM |
1499 | std::advance (begin, pst->globals_offset); |
1500 | ||
1501 | /* The psymbols for this partial_symtab are currently at the end of the | |
1502 | vector. */ | |
d320c2b5 | 1503 | auto end = objfile->partial_symtabs->global_psymbols.end (); |
ccefe4c4 | 1504 | |
af5bf4ad SM |
1505 | std::sort (begin, end, [] (partial_symbol *s1, partial_symbol *s2) |
1506 | { | |
8a6d4234 TT |
1507 | return strcmp_iw_ordered (symbol_search_name (s1), |
1508 | symbol_search_name (s2)) < 0; | |
af5bf4ad | 1509 | }); |
ccefe4c4 TT |
1510 | } |
1511 | ||
1512 | /* Allocate and partially fill a partial symtab. It will be | |
1513 | completely filled at the end of the symbol list. | |
1514 | ||
0df8b418 | 1515 | FILENAME is the name of the symbol-file we are reading from. */ |
ccefe4c4 TT |
1516 | |
1517 | struct partial_symtab * | |
1518 | start_psymtab_common (struct objfile *objfile, | |
ccefe4c4 | 1519 | const char *filename, |
939652a5 | 1520 | CORE_ADDR textlow) |
ccefe4c4 TT |
1521 | { |
1522 | struct partial_symtab *psymtab; | |
1523 | ||
1524 | psymtab = allocate_psymtab (filename, objfile); | |
4ae976d1 | 1525 | psymtab->set_text_low (textlow); |
79748972 | 1526 | psymtab->set_text_high (psymtab->raw_text_low ()); /* default */ |
d320c2b5 TT |
1527 | psymtab->globals_offset = objfile->partial_symtabs->global_psymbols.size (); |
1528 | psymtab->statics_offset = objfile->partial_symtabs->static_psymbols.size (); | |
95cf5869 | 1529 | return psymtab; |
ccefe4c4 TT |
1530 | } |
1531 | ||
8763cede DE |
1532 | /* Perform "finishing up" operations of a partial symtab. */ |
1533 | ||
1534 | void | |
1535 | end_psymtab_common (struct objfile *objfile, struct partial_symtab *pst) | |
1536 | { | |
d320c2b5 TT |
1537 | pst->n_global_syms = (objfile->partial_symtabs->global_psymbols.size () |
1538 | - pst->globals_offset); | |
1539 | pst->n_static_syms = (objfile->partial_symtabs->static_psymbols.size () | |
1540 | - pst->statics_offset); | |
8763cede DE |
1541 | |
1542 | sort_pst_symbols (objfile, pst); | |
1543 | } | |
1544 | ||
cbd70537 SW |
1545 | /* Calculate a hash code for the given partial symbol. The hash is |
1546 | calculated using the symbol's value, language, domain, class | |
0df8b418 | 1547 | and name. These are the values which are set by |
cbd70537 SW |
1548 | add_psymbol_to_bcache. */ |
1549 | ||
710e1a31 | 1550 | static unsigned long |
cbd70537 SW |
1551 | psymbol_hash (const void *addr, int length) |
1552 | { | |
1553 | unsigned long h = 0; | |
1554 | struct partial_symbol *psymbol = (struct partial_symbol *) addr; | |
8a6d4234 TT |
1555 | unsigned int lang = psymbol->language; |
1556 | unsigned int domain = psymbol->domain; | |
1557 | unsigned int theclass = psymbol->aclass; | |
cbd70537 | 1558 | |
8a6d4234 | 1559 | h = hash_continue (&psymbol->value, sizeof (psymbol->value), h); |
cbd70537 SW |
1560 | h = hash_continue (&lang, sizeof (unsigned int), h); |
1561 | h = hash_continue (&domain, sizeof (unsigned int), h); | |
fe978cb0 | 1562 | h = hash_continue (&theclass, sizeof (unsigned int), h); |
e793c052 TT |
1563 | /* Note that psymbol names are interned via symbol_set_names, so |
1564 | there's no need to hash the contents of the name here. */ | |
8a6d4234 TT |
1565 | h = hash_continue (&psymbol->name, |
1566 | sizeof (psymbol->name), h); | |
cbd70537 SW |
1567 | |
1568 | return h; | |
1569 | } | |
1570 | ||
1571 | /* Returns true if the symbol at addr1 equals the symbol at addr2. | |
1572 | For the comparison this function uses a symbols value, | |
1573 | language, domain, class and name. */ | |
1574 | ||
710e1a31 | 1575 | static int |
cbd70537 SW |
1576 | psymbol_compare (const void *addr1, const void *addr2, int length) |
1577 | { | |
1578 | struct partial_symbol *sym1 = (struct partial_symbol *) addr1; | |
1579 | struct partial_symbol *sym2 = (struct partial_symbol *) addr2; | |
1580 | ||
8a6d4234 TT |
1581 | return (memcmp (&sym1->value, &sym2->value, |
1582 | sizeof (sym1->value)) == 0 | |
1583 | && sym1->language == sym2->language | |
1584 | && sym1->domain == sym2->domain | |
1585 | && sym1->aclass == sym2->aclass | |
e793c052 TT |
1586 | /* Note that psymbol names are interned via |
1587 | symbol_set_names, so there's no need to compare the | |
1588 | contents of the name here. */ | |
8a6d4234 | 1589 | && sym1->name == sym2->name); |
cbd70537 SW |
1590 | } |
1591 | ||
710e1a31 SW |
1592 | /* Initialize a partial symbol bcache. */ |
1593 | ||
1594 | struct psymbol_bcache * | |
1595 | psymbol_bcache_init (void) | |
1596 | { | |
fc270c35 | 1597 | struct psymbol_bcache *bcache = XCNEW (struct psymbol_bcache); |
95cf5869 | 1598 | |
710e1a31 SW |
1599 | bcache->bcache = bcache_xmalloc (psymbol_hash, psymbol_compare); |
1600 | return bcache; | |
1601 | } | |
1602 | ||
1603 | /* Free a partial symbol bcache. */ | |
95cf5869 | 1604 | |
710e1a31 SW |
1605 | void |
1606 | psymbol_bcache_free (struct psymbol_bcache *bcache) | |
1607 | { | |
1608 | if (bcache == NULL) | |
1609 | return; | |
1610 | ||
1611 | bcache_xfree (bcache->bcache); | |
1612 | xfree (bcache); | |
1613 | } | |
1614 | ||
0df8b418 | 1615 | /* Return the internal bcache of the psymbol_bcache BCACHE. */ |
710e1a31 SW |
1616 | |
1617 | struct bcache * | |
1618 | psymbol_bcache_get_bcache (struct psymbol_bcache *bcache) | |
1619 | { | |
1620 | return bcache->bcache; | |
1621 | } | |
1622 | ||
1623 | /* Find a copy of the SYM in BCACHE. If BCACHE has never seen this | |
1624 | symbol before, add a copy to BCACHE. In either case, return a pointer | |
1625 | to BCACHE's copy of the symbol. If optional ADDED is not NULL, return | |
1626 | 1 in case of new entry or 0 if returning an old entry. */ | |
1627 | ||
af5bf4ad | 1628 | static struct partial_symbol * |
710e1a31 SW |
1629 | psymbol_bcache_full (struct partial_symbol *sym, |
1630 | struct psymbol_bcache *bcache, | |
1631 | int *added) | |
1632 | { | |
af5bf4ad | 1633 | return ((struct partial_symbol *) |
19ba03f4 SM |
1634 | bcache_full (sym, sizeof (struct partial_symbol), bcache->bcache, |
1635 | added)); | |
710e1a31 SW |
1636 | } |
1637 | ||
95cf5869 | 1638 | /* Helper function, initialises partial symbol structure and stashes |
ccefe4c4 TT |
1639 | it into objfile's bcache. Note that our caching mechanism will |
1640 | use all fields of struct partial_symbol to determine hash value of the | |
1641 | structure. In other words, having two symbols with the same name but | |
1642 | different domain (or address) is possible and correct. */ | |
1643 | ||
af5bf4ad | 1644 | static struct partial_symbol * |
72b9f47f | 1645 | add_psymbol_to_bcache (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1646 | domain_enum domain, |
fe978cb0 | 1647 | enum address_class theclass, |
79748972 | 1648 | short section, |
1762568f | 1649 | CORE_ADDR coreaddr, |
ccefe4c4 TT |
1650 | enum language language, struct objfile *objfile, |
1651 | int *added) | |
1652 | { | |
cbd70537 SW |
1653 | struct partial_symbol psymbol; |
1654 | ||
79748972 TT |
1655 | psymbol.set_unrelocated_address (coreaddr); |
1656 | psymbol.section = section; | |
8a6d4234 TT |
1657 | psymbol.domain = domain; |
1658 | psymbol.aclass = theclass; | |
fc956729 | 1659 | |
8a6d4234 TT |
1660 | memset (&psymbol.language_specific, 0, sizeof (psymbol.language_specific)); |
1661 | psymbol.ada_mangled = 0; | |
5af70966 TT |
1662 | symbol_set_language (&psymbol, language, |
1663 | objfile->partial_symtabs->obstack ()); | |
1d94a5a3 | 1664 | symbol_set_names (&psymbol, name, namelength, copy_name, objfile->per_bfd); |
ccefe4c4 | 1665 | |
0df8b418 | 1666 | /* Stash the partial symbol away in the cache. */ |
d320c2b5 TT |
1667 | return psymbol_bcache_full (&psymbol, |
1668 | objfile->partial_symtabs->psymbol_cache, | |
1669 | added); | |
ccefe4c4 TT |
1670 | } |
1671 | ||
95cf5869 | 1672 | /* Helper function, adds partial symbol to the given partial symbol list. */ |
ccefe4c4 TT |
1673 | |
1674 | static void | |
af5bf4ad SM |
1675 | append_psymbol_to_list (std::vector<partial_symbol *> *list, |
1676 | struct partial_symbol *psym, | |
ccefe4c4 TT |
1677 | struct objfile *objfile) |
1678 | { | |
af5bf4ad | 1679 | list->push_back (psym); |
ccefe4c4 TT |
1680 | OBJSTAT (objfile, n_psyms++); |
1681 | } | |
1682 | ||
1683 | /* Add a symbol with a long value to a psymtab. | |
1684 | Since one arg is a struct, we pass in a ptr and deref it (sigh). | |
1762568f DE |
1685 | The only value we need to store for psyms is an address. |
1686 | For all other psyms pass zero for COREADDR. | |
ccefe4c4 TT |
1687 | Return the partial symbol that has been added. */ |
1688 | ||
7dc25483 | 1689 | void |
72b9f47f | 1690 | add_psymbol_to_list (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1691 | domain_enum domain, |
fe978cb0 | 1692 | enum address_class theclass, |
79748972 | 1693 | short section, |
75aedd27 | 1694 | psymbol_placement where, |
1762568f | 1695 | CORE_ADDR coreaddr, |
ccefe4c4 TT |
1696 | enum language language, struct objfile *objfile) |
1697 | { | |
af5bf4ad | 1698 | struct partial_symbol *psym; |
ccefe4c4 TT |
1699 | |
1700 | int added; | |
1701 | ||
0df8b418 | 1702 | /* Stash the partial symbol away in the cache. */ |
fe978cb0 | 1703 | psym = add_psymbol_to_bcache (name, namelength, copy_name, domain, theclass, |
79748972 | 1704 | section, coreaddr, language, objfile, &added); |
ccefe4c4 TT |
1705 | |
1706 | /* Do not duplicate global partial symbols. */ | |
75aedd27 | 1707 | if (where == psymbol_placement::GLOBAL && !added) |
7dc25483 | 1708 | return; |
ccefe4c4 | 1709 | |
0df8b418 | 1710 | /* Save pointer to partial symbol in psymtab, growing symtab if needed. */ |
75aedd27 TT |
1711 | std::vector<partial_symbol *> *list |
1712 | = (where == psymbol_placement::STATIC | |
d320c2b5 TT |
1713 | ? &objfile->partial_symtabs->static_psymbols |
1714 | : &objfile->partial_symtabs->global_psymbols); | |
ccefe4c4 | 1715 | append_psymbol_to_list (list, psym, objfile); |
ccefe4c4 TT |
1716 | } |
1717 | ||
6eee24ce | 1718 | /* See psympriv.h. */ |
ccefe4c4 TT |
1719 | |
1720 | void | |
1721 | init_psymbol_list (struct objfile *objfile, int total_symbols) | |
1722 | { | |
d320c2b5 TT |
1723 | if (objfile->partial_symtabs->global_psymbols.capacity () == 0 |
1724 | && objfile->partial_symtabs->static_psymbols.capacity () == 0) | |
6eee24ce TT |
1725 | { |
1726 | /* Current best guess is that approximately a twentieth of the | |
1727 | total symbols (in a debugging file) are global or static | |
1728 | oriented symbols, then multiply that by slop factor of | |
1729 | two. */ | |
d320c2b5 TT |
1730 | objfile->partial_symtabs->global_psymbols.reserve (total_symbols / 10); |
1731 | objfile->partial_symtabs->static_psymbols.reserve (total_symbols / 10); | |
6eee24ce | 1732 | } |
ccefe4c4 TT |
1733 | } |
1734 | ||
baa62830 TT |
1735 | /* See psympriv.h. */ |
1736 | ||
ccefe4c4 TT |
1737 | struct partial_symtab * |
1738 | allocate_psymtab (const char *filename, struct objfile *objfile) | |
1739 | { | |
b596a3c7 TT |
1740 | struct partial_symtab *psymtab |
1741 | = objfile->partial_symtabs->allocate_psymtab (); | |
ccefe4c4 | 1742 | |
19ba03f4 SM |
1743 | psymtab->filename |
1744 | = (const char *) bcache (filename, strlen (filename) + 1, | |
1745 | objfile->per_bfd->filename_cache); | |
43f3e411 | 1746 | psymtab->compunit_symtab = NULL; |
ccefe4c4 | 1747 | |
45cfd468 DE |
1748 | if (symtab_create_debug) |
1749 | { | |
1750 | /* Be a bit clever with debugging messages, and don't print objfile | |
1751 | every time, only when it changes. */ | |
1752 | static char *last_objfile_name = NULL; | |
1753 | ||
1754 | if (last_objfile_name == NULL | |
4262abfb | 1755 | || strcmp (last_objfile_name, objfile_name (objfile)) != 0) |
45cfd468 DE |
1756 | { |
1757 | xfree (last_objfile_name); | |
4262abfb | 1758 | last_objfile_name = xstrdup (objfile_name (objfile)); |
22068491 TT |
1759 | fprintf_filtered (gdb_stdlog, |
1760 | "Creating one or more psymtabs for objfile %s ...\n", | |
1761 | last_objfile_name); | |
45cfd468 | 1762 | } |
22068491 TT |
1763 | fprintf_filtered (gdb_stdlog, |
1764 | "Created psymtab %s for module %s.\n", | |
1765 | host_address_to_string (psymtab), filename); | |
45cfd468 DE |
1766 | } |
1767 | ||
95cf5869 | 1768 | return psymtab; |
ccefe4c4 TT |
1769 | } |
1770 | ||
1771 | void | |
d320c2b5 | 1772 | psymtab_storage::discard_psymtab (struct partial_symtab *pst) |
ccefe4c4 TT |
1773 | { |
1774 | struct partial_symtab **prev_pst; | |
1775 | ||
1776 | /* From dbxread.c: | |
1777 | Empty psymtabs happen as a result of header files which don't | |
1778 | have any symbols in them. There can be a lot of them. But this | |
1779 | check is wrong, in that a psymtab with N_SLINE entries but | |
1780 | nothing else is not empty, but we don't realize that. Fixing | |
1781 | that without slowing things down might be tricky. */ | |
1782 | ||
0df8b418 | 1783 | /* First, snip it out of the psymtab chain. */ |
ccefe4c4 | 1784 | |
d320c2b5 | 1785 | prev_pst = &psymtabs; |
ccefe4c4 TT |
1786 | while ((*prev_pst) != pst) |
1787 | prev_pst = &((*prev_pst)->next); | |
1788 | (*prev_pst) = pst->next; | |
1789 | ||
0df8b418 | 1790 | /* Next, put it on a free list for recycling. */ |
ccefe4c4 | 1791 | |
d320c2b5 TT |
1792 | pst->next = free_psymtabs; |
1793 | free_psymtabs = pst; | |
ccefe4c4 TT |
1794 | } |
1795 | ||
ccefe4c4 TT |
1796 | \f |
1797 | ||
372405a5 DE |
1798 | /* We need to pass a couple of items to the addrmap_foreach function, |
1799 | so use a struct. */ | |
1800 | ||
1801 | struct dump_psymtab_addrmap_data | |
1802 | { | |
1803 | struct objfile *objfile; | |
1804 | struct partial_symtab *psymtab; | |
1805 | struct ui_file *outfile; | |
1806 | ||
1807 | /* Non-zero if the previously printed addrmap entry was for PSYMTAB. | |
1808 | If so, we want to print the next one as well (since the next addrmap | |
1809 | entry defines the end of the range). */ | |
1810 | int previous_matched; | |
1811 | }; | |
1812 | ||
1813 | /* Helper function for dump_psymtab_addrmap to print an addrmap entry. */ | |
1814 | ||
1815 | static int | |
1816 | dump_psymtab_addrmap_1 (void *datap, CORE_ADDR start_addr, void *obj) | |
1817 | { | |
709b5518 PA |
1818 | struct dump_psymtab_addrmap_data *data |
1819 | = (struct dump_psymtab_addrmap_data *) datap; | |
372405a5 | 1820 | struct gdbarch *gdbarch = get_objfile_arch (data->objfile); |
709b5518 | 1821 | struct partial_symtab *addrmap_psymtab = (struct partial_symtab *) obj; |
372405a5 DE |
1822 | const char *psymtab_address_or_end = NULL; |
1823 | ||
1824 | QUIT; | |
1825 | ||
1826 | if (data->psymtab == NULL | |
1827 | || data->psymtab == addrmap_psymtab) | |
1828 | psymtab_address_or_end = host_address_to_string (addrmap_psymtab); | |
1829 | else if (data->previous_matched) | |
1830 | psymtab_address_or_end = "<ends here>"; | |
1831 | ||
1832 | if (data->psymtab == NULL | |
1833 | || data->psymtab == addrmap_psymtab | |
1834 | || data->previous_matched) | |
1835 | { | |
1836 | fprintf_filtered (data->outfile, " %s%s %s\n", | |
1837 | data->psymtab != NULL ? " " : "", | |
1838 | paddress (gdbarch, start_addr), | |
1839 | psymtab_address_or_end); | |
1840 | } | |
1841 | ||
1842 | data->previous_matched = (data->psymtab == NULL | |
1843 | || data->psymtab == addrmap_psymtab); | |
1844 | ||
1845 | return 0; | |
1846 | } | |
1847 | ||
1848 | /* Helper function for maintenance_print_psymbols to print the addrmap | |
1849 | of PSYMTAB. If PSYMTAB is NULL print the entire addrmap. */ | |
1850 | ||
1851 | static void | |
1852 | dump_psymtab_addrmap (struct objfile *objfile, struct partial_symtab *psymtab, | |
1853 | struct ui_file *outfile) | |
1854 | { | |
1855 | struct dump_psymtab_addrmap_data addrmap_dump_data; | |
1856 | ||
34c41c68 DE |
1857 | if ((psymtab == NULL |
1858 | || psymtab->psymtabs_addrmap_supported) | |
d320c2b5 | 1859 | && objfile->partial_symtabs->psymtabs_addrmap != NULL) |
372405a5 DE |
1860 | { |
1861 | addrmap_dump_data.objfile = objfile; | |
1862 | addrmap_dump_data.psymtab = psymtab; | |
1863 | addrmap_dump_data.outfile = outfile; | |
1864 | addrmap_dump_data.previous_matched = 0; | |
1865 | fprintf_filtered (outfile, "%sddress map:\n", | |
1866 | psymtab == NULL ? "Entire a" : " A"); | |
d320c2b5 TT |
1867 | addrmap_foreach (objfile->partial_symtabs->psymtabs_addrmap, |
1868 | dump_psymtab_addrmap_1, &addrmap_dump_data); | |
372405a5 DE |
1869 | } |
1870 | } | |
1871 | ||
dfc7bb5b | 1872 | static void |
990b9f9f | 1873 | maintenance_print_psymbols (const char *args, int from_tty) |
ccefe4c4 | 1874 | { |
34c41c68 | 1875 | struct ui_file *outfile = gdb_stdout; |
34c41c68 | 1876 | char *address_arg = NULL, *source_arg = NULL, *objfile_arg = NULL; |
34c41c68 DE |
1877 | int i, outfile_idx, found; |
1878 | CORE_ADDR pc = 0; | |
1879 | struct obj_section *section = NULL; | |
ccefe4c4 TT |
1880 | |
1881 | dont_repeat (); | |
1882 | ||
773a1edc | 1883 | gdb_argv argv (args); |
ccefe4c4 | 1884 | |
99e8a4f9 | 1885 | for (i = 0; argv != NULL && argv[i] != NULL; ++i) |
ccefe4c4 | 1886 | { |
34c41c68 DE |
1887 | if (strcmp (argv[i], "-pc") == 0) |
1888 | { | |
1889 | if (argv[i + 1] == NULL) | |
1890 | error (_("Missing pc value")); | |
1891 | address_arg = argv[++i]; | |
1892 | } | |
1893 | else if (strcmp (argv[i], "-source") == 0) | |
1894 | { | |
1895 | if (argv[i + 1] == NULL) | |
1896 | error (_("Missing source file")); | |
1897 | source_arg = argv[++i]; | |
1898 | } | |
1899 | else if (strcmp (argv[i], "-objfile") == 0) | |
1900 | { | |
1901 | if (argv[i + 1] == NULL) | |
1902 | error (_("Missing objfile name")); | |
1903 | objfile_arg = argv[++i]; | |
1904 | } | |
1905 | else if (strcmp (argv[i], "--") == 0) | |
1906 | { | |
1907 | /* End of options. */ | |
1908 | ++i; | |
1909 | break; | |
1910 | } | |
1911 | else if (argv[i][0] == '-') | |
ccefe4c4 | 1912 | { |
34c41c68 DE |
1913 | /* Future proofing: Don't allow OUTFILE to begin with "-". */ |
1914 | error (_("Unknown option: %s"), argv[i]); | |
ccefe4c4 | 1915 | } |
34c41c68 DE |
1916 | else |
1917 | break; | |
ccefe4c4 | 1918 | } |
34c41c68 | 1919 | outfile_idx = i; |
ccefe4c4 | 1920 | |
34c41c68 DE |
1921 | if (address_arg != NULL && source_arg != NULL) |
1922 | error (_("Must specify at most one of -pc and -source")); | |
ccefe4c4 | 1923 | |
d7e74731 PA |
1924 | stdio_file arg_outfile; |
1925 | ||
99e8a4f9 | 1926 | if (argv != NULL && argv[outfile_idx] != NULL) |
34c41c68 | 1927 | { |
34c41c68 DE |
1928 | if (argv[outfile_idx + 1] != NULL) |
1929 | error (_("Junk at end of command")); | |
ee0c3293 TT |
1930 | gdb::unique_xmalloc_ptr<char> outfile_name |
1931 | (tilde_expand (argv[outfile_idx])); | |
1932 | if (!arg_outfile.open (outfile_name.get (), FOPEN_WT)) | |
1933 | perror_with_name (outfile_name.get ()); | |
d7e74731 | 1934 | outfile = &arg_outfile; |
34c41c68 | 1935 | } |
ccefe4c4 | 1936 | |
34c41c68 DE |
1937 | if (address_arg != NULL) |
1938 | { | |
1939 | pc = parse_and_eval_address (address_arg); | |
1940 | /* If we fail to find a section, that's ok, try the lookup anyway. */ | |
1941 | section = find_pc_section (pc); | |
1942 | } | |
372405a5 | 1943 | |
34c41c68 | 1944 | found = 0; |
2030c079 | 1945 | for (objfile *objfile : current_program_space->objfiles ()) |
27618ce4 | 1946 | { |
34c41c68 DE |
1947 | int printed_objfile_header = 0; |
1948 | int print_for_objfile = 1; | |
1949 | ||
27618ce4 | 1950 | QUIT; |
34c41c68 DE |
1951 | if (objfile_arg != NULL) |
1952 | print_for_objfile | |
1953 | = compare_filenames_for_search (objfile_name (objfile), | |
1954 | objfile_arg); | |
1955 | if (!print_for_objfile) | |
1956 | continue; | |
1957 | ||
1958 | if (address_arg != NULL) | |
1959 | { | |
1960 | struct bound_minimal_symbol msymbol = { NULL, NULL }; | |
1961 | ||
1962 | /* We don't assume each pc has a unique objfile (this is for | |
1963 | debugging). */ | |
b22a7c6a TT |
1964 | struct partial_symtab *ps = find_pc_sect_psymtab (objfile, pc, |
1965 | section, msymbol); | |
34c41c68 DE |
1966 | if (ps != NULL) |
1967 | { | |
1968 | if (!printed_objfile_header) | |
1969 | { | |
d7e74731 PA |
1970 | outfile->printf ("\nPartial symtabs for objfile %s\n", |
1971 | objfile_name (objfile)); | |
34c41c68 DE |
1972 | printed_objfile_header = 1; |
1973 | } | |
1974 | dump_psymtab (objfile, ps, outfile); | |
1975 | dump_psymtab_addrmap (objfile, ps, outfile); | |
1976 | found = 1; | |
1977 | } | |
1978 | } | |
1979 | else | |
1980 | { | |
b22a7c6a | 1981 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
34c41c68 DE |
1982 | { |
1983 | int print_for_source = 0; | |
1984 | ||
1985 | QUIT; | |
1986 | if (source_arg != NULL) | |
1987 | { | |
1988 | print_for_source | |
1989 | = compare_filenames_for_search (ps->filename, source_arg); | |
1990 | found = 1; | |
1991 | } | |
1992 | if (source_arg == NULL | |
1993 | || print_for_source) | |
1994 | { | |
1995 | if (!printed_objfile_header) | |
1996 | { | |
d7e74731 PA |
1997 | outfile->printf ("\nPartial symtabs for objfile %s\n", |
1998 | objfile_name (objfile)); | |
34c41c68 DE |
1999 | printed_objfile_header = 1; |
2000 | } | |
2001 | dump_psymtab (objfile, ps, outfile); | |
2002 | dump_psymtab_addrmap (objfile, ps, outfile); | |
2003 | } | |
2004 | } | |
2005 | } | |
2006 | ||
2007 | /* If we're printing all the objfile's symbols dump the full addrmap. */ | |
2008 | ||
2009 | if (address_arg == NULL | |
2010 | && source_arg == NULL | |
d320c2b5 | 2011 | && objfile->partial_symtabs->psymtabs_addrmap != NULL) |
372405a5 | 2012 | { |
d7e74731 | 2013 | outfile->puts ("\n"); |
34c41c68 | 2014 | dump_psymtab_addrmap (objfile, NULL, outfile); |
372405a5 | 2015 | } |
27618ce4 | 2016 | } |
372405a5 | 2017 | |
34c41c68 DE |
2018 | if (!found) |
2019 | { | |
2020 | if (address_arg != NULL) | |
2021 | error (_("No partial symtab for address: %s"), address_arg); | |
2022 | if (source_arg != NULL) | |
2023 | error (_("No partial symtab for source file: %s"), source_arg); | |
2024 | } | |
ccefe4c4 TT |
2025 | } |
2026 | ||
2027 | /* List all the partial symbol tables whose names match REGEXP (optional). */ | |
95cf5869 | 2028 | |
dfc7bb5b | 2029 | static void |
990b9f9f | 2030 | maintenance_info_psymtabs (const char *regexp, int from_tty) |
ccefe4c4 TT |
2031 | { |
2032 | struct program_space *pspace; | |
ccefe4c4 TT |
2033 | |
2034 | if (regexp) | |
2035 | re_comp (regexp); | |
2036 | ||
2037 | ALL_PSPACES (pspace) | |
2030c079 | 2038 | for (objfile *objfile : pspace->objfiles ()) |
99d89cde TT |
2039 | { |
2040 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
ccefe4c4 | 2041 | |
99d89cde TT |
2042 | /* We don't want to print anything for this objfile until we |
2043 | actually find a symtab whose name matches. */ | |
2044 | int printed_objfile_start = 0; | |
ccefe4c4 | 2045 | |
b22a7c6a | 2046 | for (partial_symtab *psymtab : require_partial_symbols (objfile, 1)) |
99d89cde TT |
2047 | { |
2048 | QUIT; | |
2049 | ||
2050 | if (! regexp | |
2051 | || re_exec (psymtab->filename)) | |
2052 | { | |
2053 | if (! printed_objfile_start) | |
2054 | { | |
2055 | printf_filtered ("{ objfile %s ", objfile_name (objfile)); | |
2056 | wrap_here (" "); | |
2057 | printf_filtered ("((struct objfile *) %s)\n", | |
2058 | host_address_to_string (objfile)); | |
2059 | printed_objfile_start = 1; | |
2060 | } | |
2061 | ||
2062 | printf_filtered (" { psymtab %s ", psymtab->filename); | |
2063 | wrap_here (" "); | |
2064 | printf_filtered ("((struct partial_symtab *) %s)\n", | |
2065 | host_address_to_string (psymtab)); | |
2066 | ||
2067 | printf_filtered (" readin %s\n", | |
2068 | psymtab->readin ? "yes" : "no"); | |
2069 | printf_filtered (" fullname %s\n", | |
2070 | psymtab->fullname | |
2071 | ? psymtab->fullname : "(null)"); | |
2072 | printf_filtered (" text addresses "); | |
2073 | fputs_filtered (paddress (gdbarch, | |
2074 | psymtab->text_low (objfile)), | |
2075 | gdb_stdout); | |
2076 | printf_filtered (" -- "); | |
2077 | fputs_filtered (paddress (gdbarch, | |
2078 | psymtab->text_high (objfile)), | |
2079 | gdb_stdout); | |
2080 | printf_filtered ("\n"); | |
2081 | printf_filtered (" psymtabs_addrmap_supported %s\n", | |
2082 | (psymtab->psymtabs_addrmap_supported | |
2083 | ? "yes" : "no")); | |
2084 | printf_filtered (" globals "); | |
2085 | if (psymtab->n_global_syms) | |
2086 | { | |
d320c2b5 TT |
2087 | auto p = &(objfile->partial_symtabs |
2088 | ->global_psymbols[psymtab->globals_offset]); | |
99d89cde TT |
2089 | |
2090 | printf_filtered | |
2091 | ("(* (struct partial_symbol **) %s @ %d)\n", | |
2092 | host_address_to_string (p), | |
2093 | psymtab->n_global_syms); | |
2094 | } | |
2095 | else | |
2096 | printf_filtered ("(none)\n"); | |
2097 | printf_filtered (" statics "); | |
2098 | if (psymtab->n_static_syms) | |
2099 | { | |
d320c2b5 TT |
2100 | auto p = &(objfile->partial_symtabs |
2101 | ->static_psymbols[psymtab->statics_offset]); | |
99d89cde TT |
2102 | |
2103 | printf_filtered | |
2104 | ("(* (struct partial_symbol **) %s @ %d)\n", | |
2105 | host_address_to_string (p), | |
2106 | psymtab->n_static_syms); | |
2107 | } | |
2108 | else | |
2109 | printf_filtered ("(none)\n"); | |
2110 | printf_filtered (" dependencies "); | |
2111 | if (psymtab->number_of_dependencies) | |
2112 | { | |
2113 | int i; | |
2114 | ||
2115 | printf_filtered ("{\n"); | |
2116 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
2117 | { | |
2118 | struct partial_symtab *dep = psymtab->dependencies[i]; | |
2119 | ||
2120 | /* Note the string concatenation there --- no | |
2121 | comma. */ | |
2122 | printf_filtered (" psymtab %s " | |
2123 | "((struct partial_symtab *) %s)\n", | |
2124 | dep->filename, | |
2125 | host_address_to_string (dep)); | |
2126 | } | |
2127 | printf_filtered (" }\n"); | |
2128 | } | |
2129 | else | |
2130 | printf_filtered ("(none)\n"); | |
2131 | printf_filtered (" }\n"); | |
2132 | } | |
2133 | } | |
ccefe4c4 | 2134 | |
99d89cde TT |
2135 | if (printed_objfile_start) |
2136 | printf_filtered ("}\n"); | |
2137 | } | |
ccefe4c4 TT |
2138 | } |
2139 | ||
7d0c9981 | 2140 | /* Check consistency of currently expanded psymtabs vs symtabs. */ |
ccefe4c4 | 2141 | |
dfc7bb5b | 2142 | static void |
990b9f9f | 2143 | maintenance_check_psymtabs (const char *ignore, int from_tty) |
ccefe4c4 TT |
2144 | { |
2145 | struct symbol *sym; | |
43f3e411 | 2146 | struct compunit_symtab *cust = NULL; |
346d1dfe | 2147 | const struct blockvector *bv; |
ccefe4c4 TT |
2148 | struct block *b; |
2149 | int length; | |
2150 | ||
2030c079 | 2151 | for (objfile *objfile : current_program_space->objfiles ()) |
b22a7c6a | 2152 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
7d0c9981 | 2153 | { |
aed57c53 | 2154 | struct gdbarch *gdbarch = get_objfile_arch (objfile); |
7d0c9981 | 2155 | |
aed57c53 TT |
2156 | /* We don't call psymtab_to_symtab here because that may cause symtab |
2157 | expansion. When debugging a problem it helps if checkers leave | |
2158 | things unchanged. */ | |
2159 | cust = ps->compunit_symtab; | |
2160 | ||
2161 | /* First do some checks that don't require the associated symtab. */ | |
2162 | if (ps->text_high (objfile) < ps->text_low (objfile)) | |
ccefe4c4 | 2163 | { |
aed57c53 | 2164 | printf_filtered ("Psymtab "); |
ccefe4c4 | 2165 | puts_filtered (ps->filename); |
aed57c53 TT |
2166 | printf_filtered (" covers bad range "); |
2167 | fputs_filtered (paddress (gdbarch, ps->text_low (objfile)), | |
2168 | gdb_stdout); | |
2169 | printf_filtered (" - "); | |
2170 | fputs_filtered (paddress (gdbarch, ps->text_high (objfile)), | |
2171 | gdb_stdout); | |
2172 | printf_filtered ("\n"); | |
2173 | continue; | |
ccefe4c4 | 2174 | } |
aed57c53 TT |
2175 | |
2176 | /* Now do checks requiring the associated symtab. */ | |
2177 | if (cust == NULL) | |
2178 | continue; | |
2179 | bv = COMPUNIT_BLOCKVECTOR (cust); | |
2180 | b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); | |
d320c2b5 TT |
2181 | partial_symbol **psym |
2182 | = &objfile->partial_symtabs->static_psymbols[ps->statics_offset]; | |
aed57c53 TT |
2183 | length = ps->n_static_syms; |
2184 | while (length--) | |
2185 | { | |
2186 | sym = block_lookup_symbol (b, symbol_search_name (*psym), | |
2187 | symbol_name_match_type::SEARCH_NAME, | |
2188 | (*psym)->domain); | |
2189 | if (!sym) | |
2190 | { | |
2191 | printf_filtered ("Static symbol `"); | |
2192 | puts_filtered ((*psym)->name); | |
2193 | printf_filtered ("' only found in "); | |
2194 | puts_filtered (ps->filename); | |
2195 | printf_filtered (" psymtab\n"); | |
2196 | } | |
2197 | psym++; | |
2198 | } | |
2199 | b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
d320c2b5 | 2200 | psym = &objfile->partial_symtabs->global_psymbols[ps->globals_offset]; |
aed57c53 TT |
2201 | length = ps->n_global_syms; |
2202 | while (length--) | |
ccefe4c4 | 2203 | { |
aed57c53 TT |
2204 | sym = block_lookup_symbol (b, symbol_search_name (*psym), |
2205 | symbol_name_match_type::SEARCH_NAME, | |
2206 | (*psym)->domain); | |
2207 | if (!sym) | |
2208 | { | |
2209 | printf_filtered ("Global symbol `"); | |
2210 | puts_filtered ((*psym)->name); | |
2211 | printf_filtered ("' only found in "); | |
2212 | puts_filtered (ps->filename); | |
2213 | printf_filtered (" psymtab\n"); | |
2214 | } | |
2215 | psym++; | |
2216 | } | |
2217 | if (ps->raw_text_high () != 0 | |
2218 | && (ps->text_low (objfile) < BLOCK_START (b) | |
2219 | || ps->text_high (objfile) > BLOCK_END (b))) | |
2220 | { | |
2221 | printf_filtered ("Psymtab "); | |
ccefe4c4 | 2222 | puts_filtered (ps->filename); |
aed57c53 TT |
2223 | printf_filtered (" covers "); |
2224 | fputs_filtered (paddress (gdbarch, ps->text_low (objfile)), | |
2225 | gdb_stdout); | |
2226 | printf_filtered (" - "); | |
2227 | fputs_filtered (paddress (gdbarch, ps->text_high (objfile)), | |
2228 | gdb_stdout); | |
2229 | printf_filtered (" but symtab covers only "); | |
2230 | fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout); | |
2231 | printf_filtered (" - "); | |
2232 | fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout); | |
2233 | printf_filtered ("\n"); | |
ccefe4c4 | 2234 | } |
ccefe4c4 | 2235 | } |
ccefe4c4 TT |
2236 | } |
2237 | ||
dfc7bb5b YQ |
2238 | void |
2239 | _initialize_psymtab (void) | |
2240 | { | |
2241 | add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols, _("\ | |
2242 | Print dump of current partial symbol definitions.\n\ | |
48c5e7e2 TT |
2243 | Usage: mt print psymbols [-objfile OBJFILE] [-pc ADDRESS] [--] [OUTFILE]\n\ |
2244 | mt print psymbols [-objfile OBJFILE] [-source SOURCE] [--] [OUTFILE]\n\ | |
34c41c68 DE |
2245 | Entries in the partial symbol table are dumped to file OUTFILE,\n\ |
2246 | or the terminal if OUTFILE is unspecified.\n\ | |
2247 | If ADDRESS is provided, dump only the file for that address.\n\ | |
2248 | If SOURCE is provided, dump only that file's symbols.\n\ | |
2249 | If OBJFILE is provided, dump only that file's minimal symbols."), | |
dfc7bb5b YQ |
2250 | &maintenanceprintlist); |
2251 | ||
2252 | add_cmd ("psymtabs", class_maintenance, maintenance_info_psymtabs, _("\ | |
2253 | List the partial symbol tables for all object files.\n\ | |
2254 | This does not include information about individual partial symbols,\n\ | |
2255 | just the symbol table structures themselves."), | |
2256 | &maintenanceinfolist); | |
2257 | ||
7d0c9981 DE |
2258 | add_cmd ("check-psymtabs", class_maintenance, maintenance_check_psymtabs, |
2259 | _("\ | |
2260 | Check consistency of currently expanded psymtabs versus symtabs."), | |
dfc7bb5b YQ |
2261 | &maintenancelist); |
2262 | } |