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 | ||
43f3e411 DE |
65 | static struct compunit_symtab *psymtab_to_symtab (struct objfile *objfile, |
66 | struct partial_symtab *pst); | |
ccefe4c4 | 67 | |
b11896a5 TT |
68 | /* Ensure that the partial symbols for OBJFILE have been loaded. This |
69 | function always returns its argument, as a convenience. */ | |
70 | ||
71 | struct objfile * | |
72 | require_partial_symbols (struct objfile *objfile, int verbose) | |
73 | { | |
74 | if ((objfile->flags & OBJF_PSYMTABS_READ) == 0) | |
75 | { | |
76 | objfile->flags |= OBJF_PSYMTABS_READ; | |
77 | ||
78 | if (objfile->sf->sym_read_psymbols) | |
79 | { | |
80 | if (verbose) | |
81 | { | |
82 | printf_unfiltered (_("Reading symbols from %s..."), | |
4262abfb | 83 | objfile_name (objfile)); |
b11896a5 TT |
84 | gdb_flush (gdb_stdout); |
85 | } | |
86 | (*objfile->sf->sym_read_psymbols) (objfile); | |
af5bf4ad SM |
87 | |
88 | /* Partial symbols list are not expected to changed after this | |
89 | point. */ | |
90 | objfile->global_psymbols.shrink_to_fit (); | |
91 | objfile->static_psymbols.shrink_to_fit (); | |
92 | ||
b11896a5 TT |
93 | if (verbose) |
94 | { | |
95 | if (!objfile_has_symbols (objfile)) | |
96 | { | |
97 | wrap_here (""); | |
98 | printf_unfiltered (_("(no debugging symbols found)...")); | |
99 | wrap_here (""); | |
100 | } | |
101 | ||
102 | printf_unfiltered (_("done.\n")); | |
103 | } | |
104 | } | |
105 | } | |
106 | ||
107 | return objfile; | |
108 | } | |
109 | ||
110 | /* Traverse all psymtabs in one objfile, requiring that the psymtabs | |
111 | be read in. */ | |
112 | ||
113 | #define ALL_OBJFILE_PSYMTABS_REQUIRED(objfile, p) \ | |
114 | for ((p) = require_partial_symbols (objfile, 1)->psymtabs; \ | |
115 | (p) != NULL; \ | |
116 | (p) = (p)->next) | |
117 | ||
118 | /* We want to make sure this file always requires psymtabs. */ | |
119 | ||
120 | #undef ALL_OBJFILE_PSYMTABS | |
121 | ||
122 | /* Traverse all psymtabs in all objfiles. */ | |
123 | ||
124 | #define ALL_PSYMTABS(objfile, p) \ | |
125 | ALL_OBJFILES (objfile) \ | |
126 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) | |
127 | ||
83827540 | 128 | /* Helper function for psym_map_symtabs_matching_filename that |
f8eba3c6 | 129 | expands the symtabs and calls the iterator. */ |
ccefe4c4 | 130 | |
14bc53a8 | 131 | static bool |
f8eba3c6 TT |
132 | partial_map_expand_apply (struct objfile *objfile, |
133 | const char *name, | |
f8eba3c6 TT |
134 | const char *real_path, |
135 | struct partial_symtab *pst, | |
14bc53a8 | 136 | gdb::function_view<bool (symtab *)> callback) |
f8eba3c6 | 137 | { |
43f3e411 | 138 | struct compunit_symtab *last_made = objfile->compunit_symtabs; |
f8eba3c6 | 139 | |
9439a077 TT |
140 | /* Shared psymtabs should never be seen here. Instead they should |
141 | be handled properly by the caller. */ | |
142 | gdb_assert (pst->user == NULL); | |
143 | ||
f8eba3c6 TT |
144 | /* Don't visit already-expanded psymtabs. */ |
145 | if (pst->readin) | |
146 | return 0; | |
147 | ||
148 | /* This may expand more than one symtab, and we want to iterate over | |
149 | all of them. */ | |
5c80ed9d | 150 | psymtab_to_symtab (objfile, pst); |
f8eba3c6 | 151 | |
14bc53a8 PA |
152 | return iterate_over_some_symtabs (name, real_path, objfile->compunit_symtabs, |
153 | last_made, callback); | |
f8eba3c6 TT |
154 | } |
155 | ||
83827540 DE |
156 | /* Psymtab version of map_symtabs_matching_filename. See its definition in |
157 | the definition of quick_symbol_functions in symfile.h. */ | |
f8eba3c6 | 158 | |
14bc53a8 PA |
159 | static bool |
160 | psym_map_symtabs_matching_filename | |
161 | (struct objfile *objfile, | |
162 | const char *name, | |
163 | const char *real_path, | |
164 | gdb::function_view<bool (symtab *)> callback) | |
ccefe4c4 TT |
165 | { |
166 | struct partial_symtab *pst; | |
c011a4f4 | 167 | const char *name_basename = lbasename (name); |
ccefe4c4 | 168 | |
b11896a5 | 169 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
ccefe4c4 | 170 | { |
9439a077 TT |
171 | /* We can skip shared psymtabs here, because any file name will be |
172 | attached to the unshared psymtab. */ | |
173 | if (pst->user != NULL) | |
174 | continue; | |
175 | ||
b4c41fc7 DE |
176 | /* Anonymous psymtabs don't have a file name. */ |
177 | if (pst->anonymous) | |
178 | continue; | |
179 | ||
af529f8f | 180 | if (compare_filenames_for_search (pst->filename, name)) |
ccefe4c4 | 181 | { |
f5b95b50 | 182 | if (partial_map_expand_apply (objfile, name, real_path, |
14bc53a8 PA |
183 | pst, callback)) |
184 | return true; | |
288e77a7 | 185 | continue; |
ccefe4c4 TT |
186 | } |
187 | ||
c011a4f4 DE |
188 | /* Before we invoke realpath, which can get expensive when many |
189 | files are involved, do a quick comparison of the basenames. */ | |
190 | if (! basenames_may_differ | |
191 | && FILENAME_CMP (name_basename, lbasename (pst->filename)) != 0) | |
192 | continue; | |
193 | ||
05cba821 JK |
194 | if (compare_filenames_for_search (psymtab_to_fullname (pst), name)) |
195 | { | |
196 | if (partial_map_expand_apply (objfile, name, real_path, | |
14bc53a8 PA |
197 | pst, callback)) |
198 | return true; | |
288e77a7 | 199 | continue; |
05cba821 JK |
200 | } |
201 | ||
ccefe4c4 TT |
202 | /* If the user gave us an absolute path, try to find the file in |
203 | this symtab and use its absolute path. */ | |
ccefe4c4 TT |
204 | if (real_path != NULL) |
205 | { | |
af529f8f JK |
206 | gdb_assert (IS_ABSOLUTE_PATH (real_path)); |
207 | gdb_assert (IS_ABSOLUTE_PATH (name)); | |
fbd9ab74 | 208 | if (filename_cmp (psymtab_to_fullname (pst), real_path) == 0) |
ccefe4c4 | 209 | { |
f5b95b50 | 210 | if (partial_map_expand_apply (objfile, name, real_path, |
14bc53a8 PA |
211 | pst, callback)) |
212 | return true; | |
288e77a7 | 213 | continue; |
ccefe4c4 TT |
214 | } |
215 | } | |
216 | } | |
217 | ||
14bc53a8 | 218 | return false; |
ccefe4c4 TT |
219 | } |
220 | ||
221 | /* Find which partial symtab contains PC and SECTION starting at psymtab PST. | |
222 | We may find a different psymtab than PST. See FIND_PC_SECT_PSYMTAB. */ | |
223 | ||
224 | static struct partial_symtab * | |
5c80ed9d TT |
225 | find_pc_sect_psymtab_closer (struct objfile *objfile, |
226 | CORE_ADDR pc, struct obj_section *section, | |
ccefe4c4 | 227 | struct partial_symtab *pst, |
77e371c0 | 228 | struct bound_minimal_symbol msymbol) |
ccefe4c4 | 229 | { |
ccefe4c4 TT |
230 | struct partial_symtab *tpst; |
231 | struct partial_symtab *best_pst = pst; | |
79748972 | 232 | CORE_ADDR best_addr = pst->text_low (objfile); |
ccefe4c4 | 233 | |
9750bca9 JK |
234 | gdb_assert (!pst->psymtabs_addrmap_supported); |
235 | ||
ccefe4c4 TT |
236 | /* An objfile that has its functions reordered might have |
237 | many partial symbol tables containing the PC, but | |
238 | we want the partial symbol table that contains the | |
239 | function containing the PC. */ | |
95cf5869 DE |
240 | if (!(objfile->flags & OBJF_REORDERED) |
241 | && section == NULL) /* Can't validate section this way. */ | |
ccefe4c4 TT |
242 | return pst; |
243 | ||
77e371c0 | 244 | if (msymbol.minsym == NULL) |
95cf5869 | 245 | return pst; |
ccefe4c4 TT |
246 | |
247 | /* The code range of partial symtabs sometimes overlap, so, in | |
248 | the loop below, we need to check all partial symtabs and | |
0df8b418 | 249 | find the one that fits better for the given PC address. We |
ccefe4c4 TT |
250 | select the partial symtab that contains a symbol whose |
251 | address is closest to the PC address. By closest we mean | |
252 | that find_pc_sect_symbol returns the symbol with address | |
253 | that is closest and still less than the given PC. */ | |
254 | for (tpst = pst; tpst != NULL; tpst = tpst->next) | |
255 | { | |
79748972 | 256 | if (pc >= tpst->text_low (objfile) && pc < tpst->text_high (objfile)) |
ccefe4c4 TT |
257 | { |
258 | struct partial_symbol *p; | |
259 | CORE_ADDR this_addr; | |
260 | ||
261 | /* NOTE: This assumes that every psymbol has a | |
262 | corresponding msymbol, which is not necessarily | |
263 | true; the debug info might be much richer than the | |
264 | object's symbol table. */ | |
5c80ed9d | 265 | p = find_pc_sect_psymbol (objfile, tpst, pc, section); |
ccefe4c4 | 266 | if (p != NULL |
02e9e7f7 | 267 | && (p->address (objfile) == BMSYMBOL_VALUE_ADDRESS (msymbol))) |
ccefe4c4 TT |
268 | return tpst; |
269 | ||
270 | /* Also accept the textlow value of a psymtab as a | |
271 | "symbol", to provide some support for partial | |
272 | symbol tables with line information but no debug | |
273 | symbols (e.g. those produced by an assembler). */ | |
274 | if (p != NULL) | |
02e9e7f7 | 275 | this_addr = p->address (objfile); |
ccefe4c4 | 276 | else |
79748972 | 277 | this_addr = tpst->text_low (objfile); |
ccefe4c4 TT |
278 | |
279 | /* Check whether it is closer than our current | |
280 | BEST_ADDR. Since this symbol address is | |
281 | necessarily lower or equal to PC, the symbol closer | |
282 | to PC is the symbol which address is the highest. | |
283 | This way we return the psymtab which contains such | |
0df8b418 | 284 | best match symbol. This can help in cases where the |
ccefe4c4 TT |
285 | symbol information/debuginfo is not complete, like |
286 | for instance on IRIX6 with gcc, where no debug info | |
0df8b418 MS |
287 | is emitted for statics. (See also the nodebug.exp |
288 | testcase.) */ | |
ccefe4c4 TT |
289 | if (this_addr > best_addr) |
290 | { | |
291 | best_addr = this_addr; | |
292 | best_pst = tpst; | |
293 | } | |
294 | } | |
295 | } | |
296 | return best_pst; | |
297 | } | |
298 | ||
95cf5869 | 299 | /* Find which partial symtab contains PC and SECTION. Return NULL if |
ccefe4c4 TT |
300 | none. We return the psymtab that contains a symbol whose address |
301 | exactly matches PC, or, if we cannot find an exact match, the | |
302 | psymtab that contains a symbol whose address is closest to PC. */ | |
95cf5869 | 303 | |
ccefe4c4 TT |
304 | static struct partial_symtab * |
305 | find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc, | |
306 | struct obj_section *section, | |
77e371c0 | 307 | struct bound_minimal_symbol msymbol) |
ccefe4c4 TT |
308 | { |
309 | struct partial_symtab *pst; | |
79748972 TT |
310 | CORE_ADDR baseaddr = ANOFFSET (objfile->section_offsets, |
311 | SECT_OFF_TEXT (objfile)); | |
ccefe4c4 TT |
312 | |
313 | /* Try just the PSYMTABS_ADDRMAP mapping first as it has better granularity | |
314 | than the later used TEXTLOW/TEXTHIGH one. */ | |
315 | ||
316 | if (objfile->psymtabs_addrmap != NULL) | |
317 | { | |
19ba03f4 | 318 | pst = ((struct partial_symtab *) |
79748972 | 319 | addrmap_find (objfile->psymtabs_addrmap, pc - baseaddr)); |
ccefe4c4 TT |
320 | if (pst != NULL) |
321 | { | |
322 | /* FIXME: addrmaps currently do not handle overlayed sections, | |
323 | so fall back to the non-addrmap case if we're debugging | |
324 | overlays and the addrmap returned the wrong section. */ | |
95cf5869 | 325 | if (overlay_debugging && msymbol.minsym != NULL && section != NULL) |
ccefe4c4 TT |
326 | { |
327 | struct partial_symbol *p; | |
ad3bbd48 | 328 | |
ccefe4c4 TT |
329 | /* NOTE: This assumes that every psymbol has a |
330 | corresponding msymbol, which is not necessarily | |
331 | true; the debug info might be much richer than the | |
332 | object's symbol table. */ | |
5c80ed9d | 333 | p = find_pc_sect_psymbol (objfile, pst, pc, section); |
95cf5869 | 334 | if (p == NULL |
02e9e7f7 TT |
335 | || (p->address (objfile) |
336 | != BMSYMBOL_VALUE_ADDRESS (msymbol))) | |
ccefe4c4 TT |
337 | goto next; |
338 | } | |
339 | ||
340 | /* We do not try to call FIND_PC_SECT_PSYMTAB_CLOSER as | |
341 | PSYMTABS_ADDRMAP we used has already the best 1-byte | |
342 | granularity and FIND_PC_SECT_PSYMTAB_CLOSER may mislead us into | |
343 | a worse chosen section due to the TEXTLOW/TEXTHIGH ranges | |
344 | overlap. */ | |
345 | ||
346 | return pst; | |
347 | } | |
348 | } | |
349 | ||
350 | next: | |
351 | ||
352 | /* Existing PSYMTABS_ADDRMAP mapping is present even for PARTIAL_SYMTABs | |
353 | which still have no corresponding full SYMTABs read. But it is not | |
354 | present for non-DWARF2 debug infos not supporting PSYMTABS_ADDRMAP in GDB | |
355 | so far. */ | |
356 | ||
357 | /* Check even OBJFILE with non-zero PSYMTABS_ADDRMAP as only several of | |
358 | its CUs may be missing in PSYMTABS_ADDRMAP as they may be varying | |
359 | debug info type in single OBJFILE. */ | |
360 | ||
b11896a5 | 361 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
9750bca9 | 362 | if (!pst->psymtabs_addrmap_supported |
79748972 | 363 | && pc >= pst->text_low (objfile) && pc < pst->text_high (objfile)) |
ccefe4c4 TT |
364 | { |
365 | struct partial_symtab *best_pst; | |
366 | ||
5c80ed9d TT |
367 | best_pst = find_pc_sect_psymtab_closer (objfile, pc, section, pst, |
368 | msymbol); | |
ccefe4c4 TT |
369 | if (best_pst != NULL) |
370 | return best_pst; | |
371 | } | |
372 | ||
373 | return NULL; | |
374 | } | |
375 | ||
95cf5869 DE |
376 | /* Psymtab version of find_pc_sect_compunit_symtab. See its definition in |
377 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 378 | |
43f3e411 | 379 | static struct compunit_symtab * |
83827540 DE |
380 | psym_find_pc_sect_compunit_symtab (struct objfile *objfile, |
381 | struct bound_minimal_symbol msymbol, | |
382 | CORE_ADDR pc, | |
383 | struct obj_section *section, | |
384 | int warn_if_readin) | |
ccefe4c4 TT |
385 | { |
386 | struct partial_symtab *ps = find_pc_sect_psymtab (objfile, pc, section, | |
387 | msymbol); | |
95cf5869 | 388 | if (ps != NULL) |
ccefe4c4 TT |
389 | { |
390 | if (warn_if_readin && ps->readin) | |
391 | /* Might want to error() here (in case symtab is corrupt and | |
392 | will cause a core dump), but maybe we can successfully | |
393 | continue, so let's not. */ | |
394 | warning (_("\ | |
395 | (Internal error: pc %s in read in psymtab, but not in symtab.)\n"), | |
5c80ed9d TT |
396 | paddress (get_objfile_arch (objfile), pc)); |
397 | psymtab_to_symtab (objfile, ps); | |
43f3e411 | 398 | return ps->compunit_symtab; |
ccefe4c4 TT |
399 | } |
400 | return NULL; | |
401 | } | |
402 | ||
403 | /* Find which partial symbol within a psymtab matches PC and SECTION. | |
95cf5869 | 404 | Return NULL if none. */ |
ccefe4c4 TT |
405 | |
406 | static struct partial_symbol * | |
5c80ed9d TT |
407 | find_pc_sect_psymbol (struct objfile *objfile, |
408 | struct partial_symtab *psymtab, CORE_ADDR pc, | |
ccefe4c4 TT |
409 | struct obj_section *section) |
410 | { | |
af5bf4ad | 411 | struct partial_symbol *best = NULL; |
ccefe4c4 | 412 | CORE_ADDR best_pc; |
79748972 | 413 | const CORE_ADDR textlow = psymtab->text_low (objfile); |
ccefe4c4 TT |
414 | |
415 | gdb_assert (psymtab != NULL); | |
416 | ||
0df8b418 | 417 | /* Cope with programs that start at address 0. */ |
79748972 | 418 | best_pc = (textlow != 0) ? textlow - 1 : 0; |
ccefe4c4 TT |
419 | |
420 | /* Search the global symbols as well as the static symbols, so that | |
421 | find_pc_partial_function doesn't use a minimal symbol and thus | |
422 | cache a bad endaddr. */ | |
af5bf4ad | 423 | for (int i = 0; i < psymtab->n_global_syms; i++) |
ccefe4c4 | 424 | { |
af5bf4ad SM |
425 | partial_symbol *p = objfile->global_psymbols[psymtab->globals_offset + i]; |
426 | ||
8a6d4234 TT |
427 | if (p->domain == VAR_DOMAIN |
428 | && p->aclass == LOC_BLOCK | |
02e9e7f7 TT |
429 | && pc >= p->address (objfile) |
430 | && (p->address (objfile) > best_pc | |
79748972 | 431 | || (psymtab->text_low (objfile) == 0 |
02e9e7f7 | 432 | && best_pc == 0 && p->address (objfile) == 0))) |
ccefe4c4 | 433 | { |
95cf5869 | 434 | if (section != NULL) /* Match on a specific section. */ |
ccefe4c4 | 435 | { |
8a6d4234 | 436 | if (!matching_obj_sections (p->obj_section (objfile), |
e27d198c | 437 | section)) |
ccefe4c4 TT |
438 | continue; |
439 | } | |
02e9e7f7 | 440 | best_pc = p->address (objfile); |
ccefe4c4 TT |
441 | best = p; |
442 | } | |
443 | } | |
444 | ||
af5bf4ad | 445 | for (int i = 0; i < psymtab->n_static_syms; i++) |
ccefe4c4 | 446 | { |
af5bf4ad SM |
447 | partial_symbol *p = objfile->static_psymbols[psymtab->statics_offset + i]; |
448 | ||
8a6d4234 TT |
449 | if (p->domain == VAR_DOMAIN |
450 | && p->aclass == LOC_BLOCK | |
02e9e7f7 TT |
451 | && pc >= p->address (objfile) |
452 | && (p->address (objfile) > best_pc | |
79748972 | 453 | || (psymtab->text_low (objfile) == 0 |
02e9e7f7 | 454 | && best_pc == 0 && p->address (objfile) == 0))) |
ccefe4c4 | 455 | { |
95cf5869 | 456 | if (section != NULL) /* Match on a specific section. */ |
ccefe4c4 | 457 | { |
8a6d4234 | 458 | if (!matching_obj_sections (p->obj_section (objfile), |
e27d198c | 459 | section)) |
ccefe4c4 TT |
460 | continue; |
461 | } | |
02e9e7f7 | 462 | best_pc = p->address (objfile); |
ccefe4c4 TT |
463 | best = p; |
464 | } | |
465 | } | |
466 | ||
467 | return best; | |
468 | } | |
469 | ||
95cf5869 DE |
470 | /* Psymtab version of lookup_symbol. See its definition in |
471 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 472 | |
43f3e411 | 473 | static struct compunit_symtab * |
83827540 DE |
474 | psym_lookup_symbol (struct objfile *objfile, |
475 | int block_index, const char *name, | |
476 | const domain_enum domain) | |
ccefe4c4 TT |
477 | { |
478 | struct partial_symtab *ps; | |
479 | const int psymtab_index = (block_index == GLOBAL_BLOCK ? 1 : 0); | |
43f3e411 | 480 | struct compunit_symtab *stab_best = NULL; |
ccefe4c4 | 481 | |
b5ec771e PA |
482 | lookup_name_info lookup_name (name, symbol_name_match_type::FULL); |
483 | ||
b11896a5 | 484 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 | 485 | { |
5c80ed9d TT |
486 | if (!ps->readin && lookup_partial_symbol (objfile, ps, name, |
487 | psymtab_index, domain)) | |
c00f8484 | 488 | { |
b2e2f908 | 489 | struct symbol *sym, *with_opaque = NULL; |
43f3e411 | 490 | struct compunit_symtab *stab = psymtab_to_symtab (objfile, ps); |
f194fefb DE |
491 | /* Note: While psymtab_to_symtab can return NULL if the partial symtab |
492 | is empty, we can assume it won't here because lookup_partial_symbol | |
493 | succeeded. */ | |
43f3e411 | 494 | const struct blockvector *bv = COMPUNIT_BLOCKVECTOR (stab); |
f194fefb | 495 | struct block *block = BLOCKVECTOR_BLOCK (bv, block_index); |
c00f8484 | 496 | |
b2e2f908 DE |
497 | sym = block_find_symbol (block, name, domain, |
498 | block_find_non_opaque_type_preferred, | |
499 | &with_opaque); | |
500 | ||
c00f8484 | 501 | /* Some caution must be observed with overloaded functions |
b2e2f908 | 502 | and methods, since the index will not contain any overload |
c00f8484 | 503 | information (but NAME might contain it). */ |
bfb05775 | 504 | |
b2e2f908 | 505 | if (sym != NULL |
b5ec771e | 506 | && SYMBOL_MATCHES_SEARCH_NAME (sym, lookup_name)) |
b2e2f908 DE |
507 | return stab; |
508 | if (with_opaque != NULL | |
b5ec771e | 509 | && SYMBOL_MATCHES_SEARCH_NAME (with_opaque, lookup_name)) |
b2e2f908 | 510 | stab_best = stab; |
c00f8484 KS |
511 | |
512 | /* Keep looking through other psymtabs. */ | |
513 | } | |
ccefe4c4 TT |
514 | } |
515 | ||
bfb05775 | 516 | return stab_best; |
ccefe4c4 TT |
517 | } |
518 | ||
b5ec771e PA |
519 | /* Returns true if PSYM matches LOOKUP_NAME. */ |
520 | ||
521 | static bool | |
522 | psymbol_name_matches (partial_symbol *psym, | |
523 | const lookup_name_info &lookup_name) | |
524 | { | |
8a6d4234 | 525 | const language_defn *lang = language_def (psym->language); |
b5ec771e | 526 | symbol_name_matcher_ftype *name_match |
618daa93 | 527 | = get_symbol_name_matcher (lang, lookup_name); |
8a6d4234 | 528 | return name_match (symbol_search_name (psym), lookup_name, NULL); |
b5ec771e PA |
529 | } |
530 | ||
40658b94 PH |
531 | /* Look in PST for a symbol in DOMAIN whose name matches NAME. Search |
532 | the global block of PST if GLOBAL, and otherwise the static block. | |
533 | MATCH is the comparison operation that returns true iff MATCH (s, | |
534 | NAME), where s is a SYMBOL_SEARCH_NAME. If ORDERED_COMPARE is | |
535 | non-null, the symbols in the block are assumed to be ordered | |
536 | according to it (allowing binary search). It must be compatible | |
537 | with MATCH. Returns the symbol, if found, and otherwise NULL. */ | |
538 | ||
539 | static struct partial_symbol * | |
5c80ed9d TT |
540 | match_partial_symbol (struct objfile *objfile, |
541 | struct partial_symtab *pst, int global, | |
40658b94 | 542 | const char *name, domain_enum domain, |
b5ec771e | 543 | symbol_name_match_type match_type, |
2edb89d3 | 544 | symbol_compare_ftype *ordered_compare) |
40658b94 PH |
545 | { |
546 | struct partial_symbol **start, **psym; | |
547 | struct partial_symbol **top, **real_top, **bottom, **center; | |
548 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
549 | int do_linear_search = 1; | |
550 | ||
551 | if (length == 0) | |
b5ec771e PA |
552 | return NULL; |
553 | ||
554 | lookup_name_info lookup_name (name, match_type); | |
555 | ||
40658b94 | 556 | start = (global ? |
af5bf4ad SM |
557 | &objfile->global_psymbols[pst->globals_offset] : |
558 | &objfile->static_psymbols[pst->statics_offset]); | |
40658b94 PH |
559 | |
560 | if (global && ordered_compare) /* Can use a binary search. */ | |
561 | { | |
562 | do_linear_search = 0; | |
563 | ||
564 | /* Binary search. This search is guaranteed to end with center | |
565 | pointing at the earliest partial symbol whose name might be | |
566 | correct. At that point *all* partial symbols with an | |
567 | appropriate name will be checked against the correct | |
568 | domain. */ | |
569 | ||
570 | bottom = start; | |
571 | top = start + length - 1; | |
572 | real_top = top; | |
573 | while (top > bottom) | |
574 | { | |
575 | center = bottom + (top - bottom) / 2; | |
576 | gdb_assert (center < top); | |
b5ec771e | 577 | |
8a6d4234 | 578 | enum language lang = (*center)->language; |
b5ec771e PA |
579 | const char *lang_ln |
580 | = lookup_name.language_lookup_name (lang).c_str (); | |
581 | ||
8a6d4234 | 582 | if (ordered_compare (symbol_search_name (*center), lang_ln) >= 0) |
40658b94 PH |
583 | top = center; |
584 | else | |
585 | bottom = center + 1; | |
586 | } | |
587 | gdb_assert (top == bottom); | |
588 | ||
589 | while (top <= real_top | |
b5ec771e | 590 | && psymbol_name_matches (*top, lookup_name)) |
40658b94 | 591 | { |
8a6d4234 TT |
592 | if (symbol_matches_domain ((*top)->language, |
593 | (*top)->domain, domain)) | |
40658b94 PH |
594 | return *top; |
595 | top++; | |
596 | } | |
597 | } | |
598 | ||
599 | /* Can't use a binary search or else we found during the binary search that | |
600 | we should also do a linear search. */ | |
601 | ||
602 | if (do_linear_search) | |
603 | { | |
604 | for (psym = start; psym < start + length; psym++) | |
605 | { | |
8a6d4234 TT |
606 | if (symbol_matches_domain ((*psym)->language, |
607 | (*psym)->domain, domain) | |
b5ec771e | 608 | && psymbol_name_matches (*psym, lookup_name)) |
40658b94 PH |
609 | return *psym; |
610 | } | |
611 | } | |
612 | ||
613 | return NULL; | |
614 | } | |
615 | ||
c00f8484 KS |
616 | /* Returns the name used to search psymtabs. Unlike symtabs, psymtabs do |
617 | not contain any method/function instance information (since this would | |
618 | force reading type information while reading psymtabs). Therefore, | |
619 | if NAME contains overload information, it must be stripped before searching | |
109483d9 | 620 | psymtabs. */ |
c00f8484 | 621 | |
56f37645 | 622 | static gdb::unique_xmalloc_ptr<char> |
c00f8484 KS |
623 | psymtab_search_name (const char *name) |
624 | { | |
625 | switch (current_language->la_language) | |
626 | { | |
627 | case language_cplus: | |
c00f8484 | 628 | { |
b2a919a8 DE |
629 | if (strchr (name, '(')) |
630 | { | |
109483d9 | 631 | gdb::unique_xmalloc_ptr<char> ret = cp_remove_params (name); |
c00f8484 | 632 | |
b2a919a8 | 633 | if (ret) |
109483d9 | 634 | return ret; |
b2a919a8 | 635 | } |
c00f8484 KS |
636 | } |
637 | break; | |
638 | ||
639 | default: | |
640 | break; | |
641 | } | |
642 | ||
56f37645 | 643 | return gdb::unique_xmalloc_ptr<char> (xstrdup (name)); |
c00f8484 KS |
644 | } |
645 | ||
ccefe4c4 | 646 | /* Look, in partial_symtab PST, for symbol whose natural name is NAME. |
40658b94 | 647 | Check the global symbols if GLOBAL, the static symbols if not. */ |
ccefe4c4 | 648 | |
18430289 | 649 | static struct partial_symbol * |
5c80ed9d TT |
650 | lookup_partial_symbol (struct objfile *objfile, |
651 | struct partial_symtab *pst, const char *name, | |
ccefe4c4 TT |
652 | int global, domain_enum domain) |
653 | { | |
ccefe4c4 TT |
654 | struct partial_symbol **start, **psym; |
655 | struct partial_symbol **top, **real_top, **bottom, **center; | |
656 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
657 | int do_linear_search = 1; | |
658 | ||
659 | if (length == 0) | |
95cf5869 | 660 | return NULL; |
c00f8484 | 661 | |
56f37645 | 662 | gdb::unique_xmalloc_ptr<char> search_name = psymtab_search_name (name); |
b5ec771e PA |
663 | |
664 | lookup_name_info lookup_name (search_name.get (), symbol_name_match_type::FULL); | |
665 | ||
ccefe4c4 | 666 | start = (global ? |
af5bf4ad SM |
667 | &objfile->global_psymbols[pst->globals_offset] : |
668 | &objfile->static_psymbols[pst->statics_offset]); | |
ccefe4c4 | 669 | |
0df8b418 | 670 | if (global) /* This means we can use a binary search. */ |
ccefe4c4 TT |
671 | { |
672 | do_linear_search = 0; | |
673 | ||
674 | /* Binary search. This search is guaranteed to end with center | |
675 | pointing at the earliest partial symbol whose name might be | |
676 | correct. At that point *all* partial symbols with an | |
677 | appropriate name will be checked against the correct | |
678 | domain. */ | |
679 | ||
680 | bottom = start; | |
681 | top = start + length - 1; | |
682 | real_top = top; | |
683 | while (top > bottom) | |
684 | { | |
685 | center = bottom + (top - bottom) / 2; | |
686 | if (!(center < top)) | |
3e43a32a MS |
687 | internal_error (__FILE__, __LINE__, |
688 | _("failed internal consistency check")); | |
8a6d4234 | 689 | if (strcmp_iw_ordered (symbol_search_name (*center), |
56f37645 | 690 | search_name.get ()) >= 0) |
ccefe4c4 TT |
691 | { |
692 | top = center; | |
693 | } | |
694 | else | |
695 | { | |
696 | bottom = center + 1; | |
697 | } | |
698 | } | |
699 | if (!(top == bottom)) | |
3e43a32a MS |
700 | internal_error (__FILE__, __LINE__, |
701 | _("failed internal consistency check")); | |
ccefe4c4 | 702 | |
559a7a62 JK |
703 | /* For `case_sensitivity == case_sensitive_off' strcmp_iw_ordered will |
704 | search more exactly than what matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
8a6d4234 | 705 | while (top >= start && symbol_matches_search_name (*top, lookup_name)) |
559a7a62 JK |
706 | top--; |
707 | ||
708 | /* Fixup to have a symbol which matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
709 | top++; | |
710 | ||
8a6d4234 | 711 | while (top <= real_top && symbol_matches_search_name (*top, lookup_name)) |
ccefe4c4 | 712 | { |
8a6d4234 TT |
713 | if (symbol_matches_domain ((*top)->language, |
714 | (*top)->domain, domain)) | |
56f37645 | 715 | return *top; |
ccefe4c4 TT |
716 | top++; |
717 | } | |
718 | } | |
719 | ||
720 | /* Can't use a binary search or else we found during the binary search that | |
40658b94 | 721 | we should also do a linear search. */ |
ccefe4c4 TT |
722 | |
723 | if (do_linear_search) | |
724 | { | |
725 | for (psym = start; psym < start + length; psym++) | |
726 | { | |
8a6d4234 TT |
727 | if (symbol_matches_domain ((*psym)->language, |
728 | (*psym)->domain, domain) | |
729 | && symbol_matches_search_name (*psym, lookup_name)) | |
56f37645 | 730 | return *psym; |
ccefe4c4 TT |
731 | } |
732 | } | |
733 | ||
95cf5869 | 734 | return NULL; |
ccefe4c4 TT |
735 | } |
736 | ||
737 | /* Get the symbol table that corresponds to a partial_symtab. | |
f194fefb DE |
738 | This is fast after the first time you do it. |
739 | The result will be NULL if the primary symtab has no symbols, | |
740 | which can happen. Otherwise the result is the primary symtab | |
741 | that contains PST. */ | |
ccefe4c4 | 742 | |
43f3e411 | 743 | static struct compunit_symtab * |
5c80ed9d | 744 | psymtab_to_symtab (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 745 | { |
9439a077 TT |
746 | /* If it is a shared psymtab, find an unshared psymtab that includes |
747 | it. Any such psymtab will do. */ | |
748 | while (pst->user != NULL) | |
749 | pst = pst->user; | |
750 | ||
0df8b418 | 751 | /* If it's been looked up before, return it. */ |
43f3e411 DE |
752 | if (pst->compunit_symtab) |
753 | return pst->compunit_symtab; | |
ccefe4c4 TT |
754 | |
755 | /* If it has not yet been read in, read it. */ | |
756 | if (!pst->readin) | |
757 | { | |
c83dd867 | 758 | scoped_restore decrementer = increment_reading_symtab (); |
ad3bbd48 | 759 | |
257e7a09 | 760 | (*pst->read_symtab) (pst, objfile); |
ccefe4c4 TT |
761 | } |
762 | ||
43f3e411 | 763 | return pst->compunit_symtab; |
ccefe4c4 TT |
764 | } |
765 | ||
95cf5869 DE |
766 | /* Psymtab version of find_last_source_symtab. See its definition in |
767 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 768 | |
ccefe4c4 | 769 | static struct symtab * |
83827540 | 770 | psym_find_last_source_symtab (struct objfile *ofp) |
ccefe4c4 | 771 | { |
ccefe4c4 | 772 | struct partial_symtab *ps; |
95cf5869 | 773 | struct partial_symtab *cs_pst = NULL; |
ccefe4c4 | 774 | |
b11896a5 | 775 | ALL_OBJFILE_PSYMTABS_REQUIRED (ofp, ps) |
ccefe4c4 TT |
776 | { |
777 | const char *name = ps->filename; | |
778 | int len = strlen (name); | |
ad3bbd48 | 779 | |
ccefe4c4 TT |
780 | if (!(len > 2 && (strcmp (&name[len - 2], ".h") == 0 |
781 | || strcmp (name, "<<C++-namespaces>>") == 0))) | |
782 | cs_pst = ps; | |
783 | } | |
784 | ||
785 | if (cs_pst) | |
786 | { | |
787 | if (cs_pst->readin) | |
788 | { | |
789 | internal_error (__FILE__, __LINE__, | |
790 | _("select_source_symtab: " | |
791 | "readin pst found and no symtabs.")); | |
792 | } | |
793 | else | |
43f3e411 DE |
794 | { |
795 | struct compunit_symtab *cust = psymtab_to_symtab (ofp, cs_pst); | |
796 | ||
797 | if (cust == NULL) | |
798 | return NULL; | |
799 | return compunit_primary_filetab (cust); | |
800 | } | |
ccefe4c4 TT |
801 | } |
802 | return NULL; | |
803 | } | |
804 | ||
95cf5869 DE |
805 | /* Psymtab version of forget_cached_source_info. See its definition in |
806 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 807 | |
ccefe4c4 | 808 | static void |
83827540 | 809 | psym_forget_cached_source_info (struct objfile *objfile) |
ccefe4c4 TT |
810 | { |
811 | struct partial_symtab *pst; | |
812 | ||
b11896a5 | 813 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
ccefe4c4 TT |
814 | { |
815 | if (pst->fullname != NULL) | |
816 | { | |
817 | xfree (pst->fullname); | |
818 | pst->fullname = NULL; | |
819 | } | |
820 | } | |
821 | } | |
822 | ||
823 | static void | |
02e9e7f7 | 824 | print_partial_symbols (struct gdbarch *gdbarch, struct objfile *objfile, |
a121b7c1 | 825 | struct partial_symbol **p, int count, const char *what, |
ccefe4c4 TT |
826 | struct ui_file *outfile) |
827 | { | |
828 | fprintf_filtered (outfile, " %s partial symbols:\n", what); | |
829 | while (count-- > 0) | |
830 | { | |
27618ce4 | 831 | QUIT; |
8a6d4234 TT |
832 | fprintf_filtered (outfile, " `%s'", (*p)->name); |
833 | if (symbol_demangled_name (*p) != NULL) | |
ccefe4c4 | 834 | { |
8a6d4234 | 835 | fprintf_filtered (outfile, " `%s'", symbol_demangled_name (*p)); |
ccefe4c4 TT |
836 | } |
837 | fputs_filtered (", ", outfile); | |
8a6d4234 | 838 | switch ((*p)->domain) |
ccefe4c4 TT |
839 | { |
840 | case UNDEF_DOMAIN: | |
841 | fputs_filtered ("undefined domain, ", outfile); | |
842 | break; | |
843 | case VAR_DOMAIN: | |
0df8b418 | 844 | /* This is the usual thing -- don't print it. */ |
ccefe4c4 TT |
845 | break; |
846 | case STRUCT_DOMAIN: | |
847 | fputs_filtered ("struct domain, ", outfile); | |
848 | break; | |
849 | case LABEL_DOMAIN: | |
850 | fputs_filtered ("label domain, ", outfile); | |
851 | break; | |
852 | default: | |
853 | fputs_filtered ("<invalid domain>, ", outfile); | |
854 | break; | |
855 | } | |
8a6d4234 | 856 | switch ((*p)->aclass) |
ccefe4c4 TT |
857 | { |
858 | case LOC_UNDEF: | |
859 | fputs_filtered ("undefined", outfile); | |
860 | break; | |
861 | case LOC_CONST: | |
862 | fputs_filtered ("constant int", outfile); | |
863 | break; | |
864 | case LOC_STATIC: | |
865 | fputs_filtered ("static", outfile); | |
866 | break; | |
867 | case LOC_REGISTER: | |
868 | fputs_filtered ("register", outfile); | |
869 | break; | |
870 | case LOC_ARG: | |
871 | fputs_filtered ("pass by value", outfile); | |
872 | break; | |
873 | case LOC_REF_ARG: | |
874 | fputs_filtered ("pass by reference", outfile); | |
875 | break; | |
876 | case LOC_REGPARM_ADDR: | |
877 | fputs_filtered ("register address parameter", outfile); | |
878 | break; | |
879 | case LOC_LOCAL: | |
880 | fputs_filtered ("stack parameter", outfile); | |
881 | break; | |
882 | case LOC_TYPEDEF: | |
883 | fputs_filtered ("type", outfile); | |
884 | break; | |
885 | case LOC_LABEL: | |
886 | fputs_filtered ("label", outfile); | |
887 | break; | |
888 | case LOC_BLOCK: | |
889 | fputs_filtered ("function", outfile); | |
890 | break; | |
891 | case LOC_CONST_BYTES: | |
892 | fputs_filtered ("constant bytes", outfile); | |
893 | break; | |
894 | case LOC_UNRESOLVED: | |
895 | fputs_filtered ("unresolved", outfile); | |
896 | break; | |
897 | case LOC_OPTIMIZED_OUT: | |
898 | fputs_filtered ("optimized out", outfile); | |
899 | break; | |
900 | case LOC_COMPUTED: | |
901 | fputs_filtered ("computed at runtime", outfile); | |
902 | break; | |
903 | default: | |
904 | fputs_filtered ("<invalid location>", outfile); | |
905 | break; | |
906 | } | |
907 | fputs_filtered (", ", outfile); | |
02e9e7f7 | 908 | fputs_filtered (paddress (gdbarch, (*p)->unrelocated_address ()), outfile); |
ccefe4c4 TT |
909 | fprintf_filtered (outfile, "\n"); |
910 | p++; | |
911 | } | |
912 | } | |
913 | ||
914 | static void | |
915 | dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab, | |
916 | struct ui_file *outfile) | |
917 | { | |
918 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
919 | int i; | |
920 | ||
b4c41fc7 DE |
921 | if (psymtab->anonymous) |
922 | { | |
923 | fprintf_filtered (outfile, "\nAnonymous partial symtab (%s) ", | |
924 | psymtab->filename); | |
925 | } | |
926 | else | |
927 | { | |
928 | fprintf_filtered (outfile, "\nPartial symtab for source file %s ", | |
929 | psymtab->filename); | |
930 | } | |
ccefe4c4 TT |
931 | fprintf_filtered (outfile, "(object "); |
932 | gdb_print_host_address (psymtab, outfile); | |
933 | fprintf_filtered (outfile, ")\n\n"); | |
934 | fprintf_unfiltered (outfile, " Read from object file %s (", | |
4262abfb | 935 | objfile_name (objfile)); |
ccefe4c4 TT |
936 | gdb_print_host_address (objfile, outfile); |
937 | fprintf_unfiltered (outfile, ")\n"); | |
938 | ||
939 | if (psymtab->readin) | |
940 | { | |
941 | fprintf_filtered (outfile, | |
942 | " Full symtab was read (at "); | |
43f3e411 | 943 | gdb_print_host_address (psymtab->compunit_symtab, outfile); |
ccefe4c4 TT |
944 | fprintf_filtered (outfile, " by function at "); |
945 | gdb_print_host_address (psymtab->read_symtab, outfile); | |
946 | fprintf_filtered (outfile, ")\n"); | |
947 | } | |
948 | ||
ccefe4c4 | 949 | fprintf_filtered (outfile, " Symbols cover text addresses "); |
79748972 | 950 | fputs_filtered (paddress (gdbarch, psymtab->text_low (objfile)), outfile); |
ccefe4c4 | 951 | fprintf_filtered (outfile, "-"); |
79748972 | 952 | fputs_filtered (paddress (gdbarch, psymtab->text_high (objfile)), outfile); |
ccefe4c4 | 953 | fprintf_filtered (outfile, "\n"); |
9750bca9 JK |
954 | fprintf_filtered (outfile, " Address map supported - %s.\n", |
955 | psymtab->psymtabs_addrmap_supported ? "yes" : "no"); | |
ccefe4c4 TT |
956 | fprintf_filtered (outfile, " Depends on %d other partial symtabs.\n", |
957 | psymtab->number_of_dependencies); | |
958 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
959 | { | |
960 | fprintf_filtered (outfile, " %d ", i); | |
961 | gdb_print_host_address (psymtab->dependencies[i], outfile); | |
962 | fprintf_filtered (outfile, " %s\n", | |
963 | psymtab->dependencies[i]->filename); | |
964 | } | |
9439a077 TT |
965 | if (psymtab->user != NULL) |
966 | { | |
967 | fprintf_filtered (outfile, " Shared partial symtab with user "); | |
968 | gdb_print_host_address (psymtab->user, outfile); | |
969 | fprintf_filtered (outfile, "\n"); | |
970 | } | |
ccefe4c4 TT |
971 | if (psymtab->n_global_syms > 0) |
972 | { | |
02e9e7f7 | 973 | print_partial_symbols (gdbarch, objfile, |
af5bf4ad | 974 | &objfile->global_psymbols[psymtab->globals_offset], |
ccefe4c4 TT |
975 | psymtab->n_global_syms, "Global", outfile); |
976 | } | |
977 | if (psymtab->n_static_syms > 0) | |
978 | { | |
02e9e7f7 | 979 | print_partial_symbols (gdbarch, objfile, |
af5bf4ad | 980 | &objfile->static_psymbols[psymtab->statics_offset], |
ccefe4c4 TT |
981 | psymtab->n_static_syms, "Static", outfile); |
982 | } | |
983 | fprintf_filtered (outfile, "\n"); | |
984 | } | |
985 | ||
95cf5869 DE |
986 | /* Psymtab version of print_stats. See its definition in |
987 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 988 | |
ccefe4c4 | 989 | static void |
83827540 | 990 | psym_print_stats (struct objfile *objfile) |
ccefe4c4 TT |
991 | { |
992 | int i; | |
993 | struct partial_symtab *ps; | |
ad3bbd48 | 994 | |
ccefe4c4 | 995 | i = 0; |
b11896a5 | 996 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
997 | { |
998 | if (ps->readin == 0) | |
999 | i++; | |
1000 | } | |
1001 | printf_filtered (_(" Number of psym tables (not yet expanded): %d\n"), i); | |
1002 | } | |
1003 | ||
95cf5869 DE |
1004 | /* Psymtab version of dump. See its definition in |
1005 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1006 | |
ccefe4c4 | 1007 | static void |
83827540 | 1008 | psym_dump (struct objfile *objfile) |
ccefe4c4 TT |
1009 | { |
1010 | struct partial_symtab *psymtab; | |
1011 | ||
1012 | if (objfile->psymtabs) | |
1013 | { | |
1014 | printf_filtered ("Psymtabs:\n"); | |
1015 | for (psymtab = objfile->psymtabs; | |
1016 | psymtab != NULL; | |
1017 | psymtab = psymtab->next) | |
1018 | { | |
1019 | printf_filtered ("%s at ", | |
1020 | psymtab->filename); | |
1021 | gdb_print_host_address (psymtab, gdb_stdout); | |
1022 | printf_filtered (", "); | |
ccefe4c4 TT |
1023 | wrap_here (" "); |
1024 | } | |
1025 | printf_filtered ("\n\n"); | |
1026 | } | |
1027 | } | |
1028 | ||
95cf5869 DE |
1029 | /* Psymtab version of expand_symtabs_for_function. See its definition in |
1030 | the definition of quick_symbol_functions in symfile.h. */ | |
ccefe4c4 TT |
1031 | |
1032 | static void | |
83827540 DE |
1033 | psym_expand_symtabs_for_function (struct objfile *objfile, |
1034 | const char *func_name) | |
ccefe4c4 TT |
1035 | { |
1036 | struct partial_symtab *ps; | |
1037 | ||
b11896a5 | 1038 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1039 | { |
1040 | if (ps->readin) | |
1041 | continue; | |
1042 | ||
5c80ed9d | 1043 | if ((lookup_partial_symbol (objfile, ps, func_name, 1, VAR_DOMAIN) |
ccefe4c4 | 1044 | != NULL) |
5c80ed9d | 1045 | || (lookup_partial_symbol (objfile, ps, func_name, 0, VAR_DOMAIN) |
ccefe4c4 | 1046 | != NULL)) |
5c80ed9d | 1047 | psymtab_to_symtab (objfile, ps); |
ccefe4c4 TT |
1048 | } |
1049 | } | |
1050 | ||
95cf5869 DE |
1051 | /* Psymtab version of expand_all_symtabs. See its definition in |
1052 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1053 | |
ccefe4c4 | 1054 | static void |
83827540 | 1055 | psym_expand_all_symtabs (struct objfile *objfile) |
ccefe4c4 TT |
1056 | { |
1057 | struct partial_symtab *psymtab; | |
1058 | ||
b11896a5 | 1059 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab) |
ccefe4c4 | 1060 | { |
5c80ed9d | 1061 | psymtab_to_symtab (objfile, psymtab); |
ccefe4c4 TT |
1062 | } |
1063 | } | |
1064 | ||
95cf5869 DE |
1065 | /* Psymtab version of expand_symtabs_with_fullname. See its definition in |
1066 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1067 | |
ccefe4c4 | 1068 | static void |
83827540 DE |
1069 | psym_expand_symtabs_with_fullname (struct objfile *objfile, |
1070 | const char *fullname) | |
ccefe4c4 TT |
1071 | { |
1072 | struct partial_symtab *p; | |
1073 | ||
b11896a5 | 1074 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) |
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 TT |
1096 | { |
1097 | struct partial_symtab *ps; | |
1098 | ||
b11896a5 | 1099 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1100 | { |
1101 | const char *fullname; | |
1102 | ||
1103 | if (ps->readin) | |
1104 | continue; | |
1105 | ||
f80c6f3f DE |
1106 | /* We can skip shared psymtabs here, because any file name will be |
1107 | attached to the unshared psymtab. */ | |
1108 | if (ps->user != NULL) | |
1109 | continue; | |
1110 | ||
b4c41fc7 DE |
1111 | /* Anonymous psymtabs don't have a file name. */ |
1112 | if (ps->anonymous) | |
1113 | continue; | |
1114 | ||
821296b7 | 1115 | QUIT; |
74e2f255 DE |
1116 | if (need_fullname) |
1117 | fullname = psymtab_to_fullname (ps); | |
1118 | else | |
1119 | fullname = NULL; | |
2837d59e | 1120 | (*fun) (ps->filename, fullname, data); |
ccefe4c4 TT |
1121 | } |
1122 | } | |
1123 | ||
ccefe4c4 TT |
1124 | /* Finds the fullname that a partial_symtab represents. |
1125 | ||
1126 | If this functions finds the fullname, it will save it in ps->fullname | |
1127 | and it will also return the value. | |
1128 | ||
1129 | If this function fails to find the file that this partial_symtab represents, | |
1130 | NULL will be returned and ps->fullname will be set to NULL. */ | |
256f06f3 | 1131 | |
da5132d3 | 1132 | static const char * |
ccefe4c4 TT |
1133 | psymtab_to_fullname (struct partial_symtab *ps) |
1134 | { | |
fbd9ab74 | 1135 | gdb_assert (!ps->anonymous); |
ccefe4c4 | 1136 | |
256f06f3 DE |
1137 | /* Use cached copy if we have it. |
1138 | We rely on forget_cached_source_info being called appropriately | |
1139 | to handle cases like the file being moved. */ | |
fbd9ab74 JK |
1140 | if (ps->fullname == NULL) |
1141 | { | |
e0cc99a6 TT |
1142 | gdb::unique_xmalloc_ptr<char> fullname; |
1143 | int fd = find_and_open_source (ps->filename, ps->dirname, &fullname); | |
1144 | ps->fullname = fullname.release (); | |
256f06f3 | 1145 | |
fbd9ab74 JK |
1146 | if (fd >= 0) |
1147 | close (fd); | |
1148 | else | |
1149 | { | |
fbd9ab74 JK |
1150 | /* rewrite_source_path would be applied by find_and_open_source, we |
1151 | should report the pathname where GDB tried to find the file. */ | |
ccefe4c4 | 1152 | |
fbd9ab74 | 1153 | if (ps->dirname == NULL || IS_ABSOLUTE_PATH (ps->filename)) |
0b581c69 | 1154 | fullname.reset (xstrdup (ps->filename)); |
fbd9ab74 | 1155 | else |
0b581c69 TT |
1156 | fullname.reset (concat (ps->dirname, SLASH_STRING, |
1157 | ps->filename, (char *) NULL)); | |
fbd9ab74 | 1158 | |
0b581c69 | 1159 | ps->fullname = rewrite_source_path (fullname.get ()).release (); |
fbd9ab74 | 1160 | if (ps->fullname == NULL) |
0b581c69 | 1161 | ps->fullname = fullname.release (); |
fbd9ab74 | 1162 | } |
95cf5869 | 1163 | } |
fbd9ab74 JK |
1164 | |
1165 | return ps->fullname; | |
ccefe4c4 TT |
1166 | } |
1167 | ||
95cf5869 DE |
1168 | /* For all symbols, s, in BLOCK that are in DOMAIN and match NAME |
1169 | according to the function MATCH, call CALLBACK(BLOCK, s, DATA). | |
1170 | BLOCK is assumed to come from OBJFILE. Returns 1 iff CALLBACK | |
1171 | ever returns non-zero, and otherwise returns 0. */ | |
ccefe4c4 | 1172 | |
40658b94 | 1173 | static int |
fe978cb0 | 1174 | map_block (const char *name, domain_enum domain, struct objfile *objfile, |
40658b94 PH |
1175 | struct block *block, |
1176 | int (*callback) (struct block *, struct symbol *, void *), | |
b5ec771e | 1177 | void *data, symbol_name_match_type match) |
ccefe4c4 | 1178 | { |
8157b174 | 1179 | struct block_iterator iter; |
40658b94 | 1180 | struct symbol *sym; |
ccefe4c4 | 1181 | |
b5ec771e PA |
1182 | lookup_name_info lookup_name (name, match); |
1183 | ||
1184 | for (sym = block_iter_match_first (block, lookup_name, &iter); | |
1185 | sym != NULL; | |
1186 | sym = block_iter_match_next (lookup_name, &iter)) | |
ccefe4c4 | 1187 | { |
95cf5869 | 1188 | if (symbol_matches_domain (SYMBOL_LANGUAGE (sym), |
fe978cb0 | 1189 | SYMBOL_DOMAIN (sym), domain)) |
40658b94 PH |
1190 | { |
1191 | if (callback (block, sym, data)) | |
1192 | return 1; | |
1193 | } | |
ccefe4c4 TT |
1194 | } |
1195 | ||
40658b94 | 1196 | return 0; |
ccefe4c4 TT |
1197 | } |
1198 | ||
95cf5869 DE |
1199 | /* Psymtab version of map_matching_symbols. See its definition in |
1200 | the definition of quick_symbol_functions in symfile.h. */ | |
40658b94 | 1201 | |
ccefe4c4 | 1202 | static void |
83827540 | 1203 | psym_map_matching_symbols (struct objfile *objfile, |
fe978cb0 | 1204 | const char *name, domain_enum domain, |
83827540 DE |
1205 | int global, |
1206 | int (*callback) (struct block *, | |
1207 | struct symbol *, void *), | |
1208 | void *data, | |
b5ec771e | 1209 | symbol_name_match_type match, |
83827540 | 1210 | symbol_compare_ftype *ordered_compare) |
ccefe4c4 | 1211 | { |
40658b94 | 1212 | const int block_kind = global ? GLOBAL_BLOCK : STATIC_BLOCK; |
ccefe4c4 TT |
1213 | struct partial_symtab *ps; |
1214 | ||
b11896a5 | 1215 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1216 | { |
1217 | QUIT; | |
1218 | if (ps->readin | |
fe978cb0 | 1219 | || match_partial_symbol (objfile, ps, global, name, domain, match, |
40658b94 | 1220 | ordered_compare)) |
ccefe4c4 | 1221 | { |
43f3e411 | 1222 | struct compunit_symtab *cust = psymtab_to_symtab (objfile, ps); |
40658b94 | 1223 | struct block *block; |
ad3bbd48 | 1224 | |
43f3e411 | 1225 | if (cust == NULL) |
ccefe4c4 | 1226 | continue; |
43f3e411 | 1227 | block = BLOCKVECTOR_BLOCK (COMPUNIT_BLOCKVECTOR (cust), block_kind); |
fe978cb0 | 1228 | if (map_block (name, domain, objfile, block, |
40658b94 PH |
1229 | callback, data, match)) |
1230 | return; | |
1231 | if (callback (block, NULL, data)) | |
1232 | return; | |
ccefe4c4 TT |
1233 | } |
1234 | } | |
95cf5869 | 1235 | } |
ccefe4c4 | 1236 | |
14bc53a8 PA |
1237 | /* A helper for psym_expand_symtabs_matching that handles searching |
1238 | included psymtabs. This returns true if a symbol is found, and | |
1239 | false otherwise. It also updates the 'searched_flag' on the | |
9439a077 TT |
1240 | various psymtabs that it searches. */ |
1241 | ||
14bc53a8 PA |
1242 | static bool |
1243 | recursively_search_psymtabs | |
b5ec771e PA |
1244 | (struct partial_symtab *ps, struct objfile *objfile, enum search_domain domain, |
1245 | const lookup_name_info &lookup_name, | |
14bc53a8 | 1246 | gdb::function_view<expand_symtabs_symbol_matcher_ftype> sym_matcher) |
9439a077 | 1247 | { |
9439a077 | 1248 | int keep_going = 1; |
f486487f | 1249 | enum psymtab_search_status result = PST_SEARCHED_AND_NOT_FOUND; |
9439a077 TT |
1250 | int i; |
1251 | ||
1252 | if (ps->searched_flag != PST_NOT_SEARCHED) | |
1253 | return ps->searched_flag == PST_SEARCHED_AND_FOUND; | |
1254 | ||
1255 | /* Recurse into shared psymtabs first, because they may have already | |
1256 | been searched, and this could save some time. */ | |
1257 | for (i = 0; i < ps->number_of_dependencies; ++i) | |
1258 | { | |
1259 | int r; | |
1260 | ||
1261 | /* Skip non-shared dependencies, these are handled elsewhere. */ | |
1262 | if (ps->dependencies[i]->user == NULL) | |
1263 | continue; | |
1264 | ||
1265 | r = recursively_search_psymtabs (ps->dependencies[i], | |
b5ec771e PA |
1266 | objfile, domain, lookup_name, |
1267 | sym_matcher); | |
9439a077 TT |
1268 | if (r != 0) |
1269 | { | |
1270 | ps->searched_flag = PST_SEARCHED_AND_FOUND; | |
14bc53a8 | 1271 | return true; |
9439a077 TT |
1272 | } |
1273 | } | |
1274 | ||
af5bf4ad | 1275 | partial_symbol **gbound |
47fea877 | 1276 | = objfile->global_psymbols.data () + ps->globals_offset + ps->n_global_syms; |
af5bf4ad | 1277 | partial_symbol **sbound |
47fea877 | 1278 | = objfile->static_psymbols.data () + 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. */ | |
47fea877 | 1283 | partial_symbol **psym = objfile->global_psymbols.data () + ps->globals_offset; |
9439a077 TT |
1284 | while (keep_going) |
1285 | { | |
1286 | if (psym >= bound) | |
1287 | { | |
1288 | if (bound == gbound && ps->n_static_syms != 0) | |
1289 | { | |
47fea877 | 1290 | psym = objfile->static_psymbols.data () + ps->statics_offset; |
9439a077 TT |
1291 | bound = sbound; |
1292 | } | |
1293 | else | |
1294 | keep_going = 0; | |
1295 | continue; | |
1296 | } | |
1297 | else | |
1298 | { | |
1299 | QUIT; | |
1300 | ||
b5ec771e PA |
1301 | if ((domain == ALL_DOMAIN |
1302 | || (domain == VARIABLES_DOMAIN | |
8a6d4234 TT |
1303 | && (*psym)->aclass != LOC_TYPEDEF |
1304 | && (*psym)->aclass != LOC_BLOCK) | |
b5ec771e | 1305 | || (domain == FUNCTIONS_DOMAIN |
8a6d4234 | 1306 | && (*psym)->aclass == LOC_BLOCK) |
b5ec771e | 1307 | || (domain == TYPES_DOMAIN |
8a6d4234 | 1308 | && (*psym)->aclass == LOC_TYPEDEF)) |
b5ec771e | 1309 | && psymbol_name_matches (*psym, lookup_name) |
8a6d4234 | 1310 | && (sym_matcher == NULL || sym_matcher (symbol_search_name (*psym)))) |
9439a077 TT |
1311 | { |
1312 | /* Found a match, so notify our caller. */ | |
1313 | result = PST_SEARCHED_AND_FOUND; | |
1314 | keep_going = 0; | |
1315 | } | |
1316 | } | |
1317 | psym++; | |
1318 | } | |
1319 | ||
1320 | ps->searched_flag = result; | |
1321 | return result == PST_SEARCHED_AND_FOUND; | |
1322 | } | |
1323 | ||
95cf5869 DE |
1324 | /* Psymtab version of expand_symtabs_matching. See its definition in |
1325 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1326 | |
ccefe4c4 | 1327 | static void |
83827540 | 1328 | psym_expand_symtabs_matching |
f8eba3c6 | 1329 | (struct objfile *objfile, |
14bc53a8 | 1330 | gdb::function_view<expand_symtabs_file_matcher_ftype> file_matcher, |
c62446b1 | 1331 | const lookup_name_info &lookup_name_in, |
14bc53a8 PA |
1332 | gdb::function_view<expand_symtabs_symbol_matcher_ftype> symbol_matcher, |
1333 | gdb::function_view<expand_symtabs_exp_notify_ftype> expansion_notify, | |
b5ec771e | 1334 | enum search_domain domain) |
ccefe4c4 TT |
1335 | { |
1336 | struct partial_symtab *ps; | |
1337 | ||
c62446b1 PA |
1338 | lookup_name_info lookup_name = lookup_name_in.make_ignore_params (); |
1339 | ||
9439a077 | 1340 | /* Clear the search flags. */ |
b11896a5 | 1341 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 | 1342 | { |
9439a077 TT |
1343 | ps->searched_flag = PST_NOT_SEARCHED; |
1344 | } | |
ccefe4c4 | 1345 | |
9439a077 TT |
1346 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
1347 | { | |
30b3dd9d DE |
1348 | QUIT; |
1349 | ||
ccefe4c4 TT |
1350 | if (ps->readin) |
1351 | continue; | |
1352 | ||
9439a077 TT |
1353 | /* We skip shared psymtabs because file-matching doesn't apply |
1354 | to them; but we search them later in the loop. */ | |
1355 | if (ps->user != NULL) | |
ccefe4c4 TT |
1356 | continue; |
1357 | ||
b4c41fc7 DE |
1358 | if (file_matcher) |
1359 | { | |
14bc53a8 | 1360 | bool match; |
680d1742 | 1361 | |
b4c41fc7 DE |
1362 | if (ps->anonymous) |
1363 | continue; | |
fbd9ab74 | 1364 | |
14bc53a8 | 1365 | match = file_matcher (ps->filename, false); |
680d1742 DE |
1366 | if (!match) |
1367 | { | |
1368 | /* Before we invoke realpath, which can get expensive when many | |
1369 | files are involved, do a quick comparison of the basenames. */ | |
1370 | if (basenames_may_differ | |
14bc53a8 PA |
1371 | || file_matcher (lbasename (ps->filename), true)) |
1372 | match = file_matcher (psymtab_to_fullname (ps), false); | |
680d1742 DE |
1373 | } |
1374 | if (!match) | |
b4c41fc7 DE |
1375 | continue; |
1376 | } | |
ccefe4c4 | 1377 | |
b5ec771e PA |
1378 | if (recursively_search_psymtabs (ps, objfile, domain, |
1379 | lookup_name, symbol_matcher)) | |
276d885b GB |
1380 | { |
1381 | struct compunit_symtab *symtab = | |
1382 | psymtab_to_symtab (objfile, ps); | |
1383 | ||
1384 | if (expansion_notify != NULL) | |
14bc53a8 | 1385 | expansion_notify (symtab); |
276d885b | 1386 | } |
ccefe4c4 TT |
1387 | } |
1388 | } | |
1389 | ||
95cf5869 DE |
1390 | /* Psymtab version of has_symbols. See its definition in |
1391 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1392 | |
ccefe4c4 | 1393 | static int |
83827540 | 1394 | psym_has_symbols (struct objfile *objfile) |
ccefe4c4 TT |
1395 | { |
1396 | return objfile->psymtabs != NULL; | |
1397 | } | |
1398 | ||
71a3c369 TT |
1399 | /* Helper function for psym_find_compunit_symtab_by_address that fills |
1400 | in psymbol_map for a given range of psymbols. */ | |
1401 | ||
1402 | static void | |
1403 | psym_fill_psymbol_map (struct objfile *objfile, | |
1404 | struct partial_symtab *psymtab, | |
1405 | std::set<CORE_ADDR> *seen_addrs, | |
1406 | const std::vector<partial_symbol *> &symbols, | |
1407 | int start, | |
1408 | int length) | |
1409 | { | |
1410 | for (int i = 0; i < length; ++i) | |
1411 | { | |
1412 | struct partial_symbol *psym = symbols[start + i]; | |
1413 | ||
8a6d4234 | 1414 | if (psym->aclass == LOC_STATIC) |
71a3c369 | 1415 | { |
02e9e7f7 | 1416 | CORE_ADDR addr = psym->address (objfile); |
71a3c369 TT |
1417 | if (seen_addrs->find (addr) == seen_addrs->end ()) |
1418 | { | |
1419 | seen_addrs->insert (addr); | |
1420 | objfile->psymbol_map.emplace_back (addr, psymtab); | |
1421 | } | |
1422 | } | |
1423 | } | |
1424 | } | |
1425 | ||
1426 | /* See find_compunit_symtab_by_address in quick_symbol_functions, in | |
1427 | symfile.h. */ | |
1428 | ||
1429 | static compunit_symtab * | |
1430 | psym_find_compunit_symtab_by_address (struct objfile *objfile, | |
1431 | CORE_ADDR address) | |
1432 | { | |
1433 | if (objfile->psymbol_map.empty ()) | |
1434 | { | |
1435 | struct partial_symtab *pst; | |
1436 | ||
1437 | std::set<CORE_ADDR> seen_addrs; | |
1438 | ||
1439 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) | |
1440 | { | |
1441 | psym_fill_psymbol_map (objfile, pst, | |
1442 | &seen_addrs, | |
1443 | objfile->global_psymbols, | |
1444 | pst->globals_offset, | |
1445 | pst->n_global_syms); | |
1446 | psym_fill_psymbol_map (objfile, pst, | |
1447 | &seen_addrs, | |
1448 | objfile->static_psymbols, | |
1449 | pst->statics_offset, | |
1450 | pst->n_static_syms); | |
1451 | } | |
1452 | ||
1453 | objfile->psymbol_map.shrink_to_fit (); | |
1454 | ||
1455 | std::sort (objfile->psymbol_map.begin (), objfile->psymbol_map.end (), | |
1456 | [] (const std::pair<CORE_ADDR, partial_symtab *> &a, | |
1457 | const std::pair<CORE_ADDR, partial_symtab *> &b) | |
1458 | { | |
1459 | return a.first < b.first; | |
1460 | }); | |
1461 | } | |
1462 | ||
1463 | auto iter = std::lower_bound | |
1464 | (objfile->psymbol_map.begin (), objfile->psymbol_map.end (), address, | |
1465 | [] (const std::pair<CORE_ADDR, partial_symtab *> &a, | |
1466 | CORE_ADDR b) | |
1467 | { | |
1468 | return a.first < b; | |
1469 | }); | |
1470 | ||
1471 | if (iter == objfile->psymbol_map.end () || iter->first != address) | |
1472 | return NULL; | |
1473 | ||
1474 | return psymtab_to_symtab (objfile, iter->second); | |
1475 | } | |
1476 | ||
ccefe4c4 TT |
1477 | const struct quick_symbol_functions psym_functions = |
1478 | { | |
83827540 DE |
1479 | psym_has_symbols, |
1480 | psym_find_last_source_symtab, | |
1481 | psym_forget_cached_source_info, | |
1482 | psym_map_symtabs_matching_filename, | |
1483 | psym_lookup_symbol, | |
1484 | psym_print_stats, | |
1485 | psym_dump, | |
83827540 DE |
1486 | psym_expand_symtabs_for_function, |
1487 | psym_expand_all_symtabs, | |
1488 | psym_expand_symtabs_with_fullname, | |
1489 | psym_map_matching_symbols, | |
1490 | psym_expand_symtabs_matching, | |
1491 | psym_find_pc_sect_compunit_symtab, | |
71a3c369 | 1492 | psym_find_compunit_symtab_by_address, |
83827540 | 1493 | psym_map_symbol_filenames |
ccefe4c4 TT |
1494 | }; |
1495 | ||
1496 | \f | |
1497 | ||
8763cede | 1498 | static void |
5c80ed9d | 1499 | sort_pst_symbols (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 1500 | { |
0df8b418 | 1501 | /* Sort the global list; don't sort the static list. */ |
af5bf4ad SM |
1502 | auto begin = objfile->global_psymbols.begin (); |
1503 | std::advance (begin, pst->globals_offset); | |
1504 | ||
1505 | /* The psymbols for this partial_symtab are currently at the end of the | |
1506 | vector. */ | |
1507 | auto end = objfile->global_psymbols.end (); | |
ccefe4c4 | 1508 | |
af5bf4ad SM |
1509 | std::sort (begin, end, [] (partial_symbol *s1, partial_symbol *s2) |
1510 | { | |
8a6d4234 TT |
1511 | return strcmp_iw_ordered (symbol_search_name (s1), |
1512 | symbol_search_name (s2)) < 0; | |
af5bf4ad | 1513 | }); |
ccefe4c4 TT |
1514 | } |
1515 | ||
1516 | /* Allocate and partially fill a partial symtab. It will be | |
1517 | completely filled at the end of the symbol list. | |
1518 | ||
0df8b418 | 1519 | FILENAME is the name of the symbol-file we are reading from. */ |
ccefe4c4 TT |
1520 | |
1521 | struct partial_symtab * | |
1522 | start_psymtab_common (struct objfile *objfile, | |
ccefe4c4 | 1523 | const char *filename, |
af5bf4ad SM |
1524 | CORE_ADDR textlow, |
1525 | std::vector<partial_symbol *> &global_psymbols, | |
1526 | std::vector<partial_symbol *> &static_psymbols) | |
ccefe4c4 TT |
1527 | { |
1528 | struct partial_symtab *psymtab; | |
1529 | ||
1530 | psymtab = allocate_psymtab (filename, objfile); | |
4ae976d1 | 1531 | psymtab->set_text_low (textlow); |
79748972 | 1532 | psymtab->set_text_high (psymtab->raw_text_low ()); /* default */ |
af5bf4ad SM |
1533 | psymtab->globals_offset = global_psymbols.size (); |
1534 | psymtab->statics_offset = static_psymbols.size (); | |
95cf5869 | 1535 | return psymtab; |
ccefe4c4 TT |
1536 | } |
1537 | ||
8763cede DE |
1538 | /* Perform "finishing up" operations of a partial symtab. */ |
1539 | ||
1540 | void | |
1541 | end_psymtab_common (struct objfile *objfile, struct partial_symtab *pst) | |
1542 | { | |
af5bf4ad SM |
1543 | pst->n_global_syms = objfile->global_psymbols.size () - pst->globals_offset; |
1544 | pst->n_static_syms = objfile->static_psymbols.size () - pst->statics_offset; | |
8763cede DE |
1545 | |
1546 | sort_pst_symbols (objfile, pst); | |
1547 | } | |
1548 | ||
cbd70537 SW |
1549 | /* Calculate a hash code for the given partial symbol. The hash is |
1550 | calculated using the symbol's value, language, domain, class | |
0df8b418 | 1551 | and name. These are the values which are set by |
cbd70537 SW |
1552 | add_psymbol_to_bcache. */ |
1553 | ||
710e1a31 | 1554 | static unsigned long |
cbd70537 SW |
1555 | psymbol_hash (const void *addr, int length) |
1556 | { | |
1557 | unsigned long h = 0; | |
1558 | struct partial_symbol *psymbol = (struct partial_symbol *) addr; | |
8a6d4234 TT |
1559 | unsigned int lang = psymbol->language; |
1560 | unsigned int domain = psymbol->domain; | |
1561 | unsigned int theclass = psymbol->aclass; | |
cbd70537 | 1562 | |
8a6d4234 | 1563 | h = hash_continue (&psymbol->value, sizeof (psymbol->value), h); |
cbd70537 SW |
1564 | h = hash_continue (&lang, sizeof (unsigned int), h); |
1565 | h = hash_continue (&domain, sizeof (unsigned int), h); | |
fe978cb0 | 1566 | h = hash_continue (&theclass, sizeof (unsigned int), h); |
e793c052 TT |
1567 | /* Note that psymbol names are interned via symbol_set_names, so |
1568 | there's no need to hash the contents of the name here. */ | |
8a6d4234 TT |
1569 | h = hash_continue (&psymbol->name, |
1570 | sizeof (psymbol->name), h); | |
cbd70537 SW |
1571 | |
1572 | return h; | |
1573 | } | |
1574 | ||
1575 | /* Returns true if the symbol at addr1 equals the symbol at addr2. | |
1576 | For the comparison this function uses a symbols value, | |
1577 | language, domain, class and name. */ | |
1578 | ||
710e1a31 | 1579 | static int |
cbd70537 SW |
1580 | psymbol_compare (const void *addr1, const void *addr2, int length) |
1581 | { | |
1582 | struct partial_symbol *sym1 = (struct partial_symbol *) addr1; | |
1583 | struct partial_symbol *sym2 = (struct partial_symbol *) addr2; | |
1584 | ||
8a6d4234 TT |
1585 | return (memcmp (&sym1->value, &sym2->value, |
1586 | sizeof (sym1->value)) == 0 | |
1587 | && sym1->language == sym2->language | |
1588 | && sym1->domain == sym2->domain | |
1589 | && sym1->aclass == sym2->aclass | |
e793c052 TT |
1590 | /* Note that psymbol names are interned via |
1591 | symbol_set_names, so there's no need to compare the | |
1592 | contents of the name here. */ | |
8a6d4234 | 1593 | && sym1->name == sym2->name); |
cbd70537 SW |
1594 | } |
1595 | ||
710e1a31 SW |
1596 | /* Initialize a partial symbol bcache. */ |
1597 | ||
1598 | struct psymbol_bcache * | |
1599 | psymbol_bcache_init (void) | |
1600 | { | |
fc270c35 | 1601 | struct psymbol_bcache *bcache = XCNEW (struct psymbol_bcache); |
95cf5869 | 1602 | |
710e1a31 SW |
1603 | bcache->bcache = bcache_xmalloc (psymbol_hash, psymbol_compare); |
1604 | return bcache; | |
1605 | } | |
1606 | ||
1607 | /* Free a partial symbol bcache. */ | |
95cf5869 | 1608 | |
710e1a31 SW |
1609 | void |
1610 | psymbol_bcache_free (struct psymbol_bcache *bcache) | |
1611 | { | |
1612 | if (bcache == NULL) | |
1613 | return; | |
1614 | ||
1615 | bcache_xfree (bcache->bcache); | |
1616 | xfree (bcache); | |
1617 | } | |
1618 | ||
0df8b418 | 1619 | /* Return the internal bcache of the psymbol_bcache BCACHE. */ |
710e1a31 SW |
1620 | |
1621 | struct bcache * | |
1622 | psymbol_bcache_get_bcache (struct psymbol_bcache *bcache) | |
1623 | { | |
1624 | return bcache->bcache; | |
1625 | } | |
1626 | ||
1627 | /* Find a copy of the SYM in BCACHE. If BCACHE has never seen this | |
1628 | symbol before, add a copy to BCACHE. In either case, return a pointer | |
1629 | to BCACHE's copy of the symbol. If optional ADDED is not NULL, return | |
1630 | 1 in case of new entry or 0 if returning an old entry. */ | |
1631 | ||
af5bf4ad | 1632 | static struct partial_symbol * |
710e1a31 SW |
1633 | psymbol_bcache_full (struct partial_symbol *sym, |
1634 | struct psymbol_bcache *bcache, | |
1635 | int *added) | |
1636 | { | |
af5bf4ad | 1637 | return ((struct partial_symbol *) |
19ba03f4 SM |
1638 | bcache_full (sym, sizeof (struct partial_symbol), bcache->bcache, |
1639 | added)); | |
710e1a31 SW |
1640 | } |
1641 | ||
95cf5869 | 1642 | /* Helper function, initialises partial symbol structure and stashes |
ccefe4c4 TT |
1643 | it into objfile's bcache. Note that our caching mechanism will |
1644 | use all fields of struct partial_symbol to determine hash value of the | |
1645 | structure. In other words, having two symbols with the same name but | |
1646 | different domain (or address) is possible and correct. */ | |
1647 | ||
af5bf4ad | 1648 | static struct partial_symbol * |
72b9f47f | 1649 | add_psymbol_to_bcache (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1650 | domain_enum domain, |
fe978cb0 | 1651 | enum address_class theclass, |
79748972 | 1652 | short section, |
1762568f | 1653 | CORE_ADDR coreaddr, |
ccefe4c4 TT |
1654 | enum language language, struct objfile *objfile, |
1655 | int *added) | |
1656 | { | |
cbd70537 SW |
1657 | struct partial_symbol psymbol; |
1658 | ||
79748972 TT |
1659 | psymbol.set_unrelocated_address (coreaddr); |
1660 | psymbol.section = section; | |
8a6d4234 TT |
1661 | psymbol.domain = domain; |
1662 | psymbol.aclass = theclass; | |
fc956729 | 1663 | |
8a6d4234 TT |
1664 | memset (&psymbol.language_specific, 0, sizeof (psymbol.language_specific)); |
1665 | psymbol.ada_mangled = 0; | |
1666 | symbol_set_language (&psymbol, language, &objfile->objfile_obstack); | |
1667 | symbol_set_names (&psymbol, name, namelength, copy_name, objfile); | |
ccefe4c4 | 1668 | |
0df8b418 | 1669 | /* Stash the partial symbol away in the cache. */ |
95cf5869 | 1670 | return psymbol_bcache_full (&psymbol, objfile->psymbol_cache, added); |
ccefe4c4 TT |
1671 | } |
1672 | ||
95cf5869 | 1673 | /* Helper function, adds partial symbol to the given partial symbol list. */ |
ccefe4c4 TT |
1674 | |
1675 | static void | |
af5bf4ad SM |
1676 | append_psymbol_to_list (std::vector<partial_symbol *> *list, |
1677 | struct partial_symbol *psym, | |
ccefe4c4 TT |
1678 | struct objfile *objfile) |
1679 | { | |
af5bf4ad | 1680 | list->push_back (psym); |
ccefe4c4 TT |
1681 | OBJSTAT (objfile, n_psyms++); |
1682 | } | |
1683 | ||
1684 | /* Add a symbol with a long value to a psymtab. | |
1685 | Since one arg is a struct, we pass in a ptr and deref it (sigh). | |
1762568f DE |
1686 | The only value we need to store for psyms is an address. |
1687 | For all other psyms pass zero for COREADDR. | |
ccefe4c4 TT |
1688 | Return the partial symbol that has been added. */ |
1689 | ||
7dc25483 | 1690 | void |
72b9f47f | 1691 | add_psymbol_to_list (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1692 | domain_enum domain, |
fe978cb0 | 1693 | enum address_class theclass, |
79748972 | 1694 | short section, |
af5bf4ad | 1695 | std::vector<partial_symbol *> *list, |
1762568f | 1696 | CORE_ADDR coreaddr, |
ccefe4c4 TT |
1697 | enum language language, struct objfile *objfile) |
1698 | { | |
af5bf4ad | 1699 | struct partial_symbol *psym; |
ccefe4c4 TT |
1700 | |
1701 | int added; | |
1702 | ||
0df8b418 | 1703 | /* Stash the partial symbol away in the cache. */ |
fe978cb0 | 1704 | psym = add_psymbol_to_bcache (name, namelength, copy_name, domain, theclass, |
79748972 | 1705 | section, coreaddr, language, objfile, &added); |
ccefe4c4 TT |
1706 | |
1707 | /* Do not duplicate global partial symbols. */ | |
1708 | if (list == &objfile->global_psymbols | |
1709 | && !added) | |
7dc25483 | 1710 | return; |
ccefe4c4 | 1711 | |
0df8b418 | 1712 | /* Save pointer to partial symbol in psymtab, growing symtab if needed. */ |
ccefe4c4 | 1713 | append_psymbol_to_list (list, psym, objfile); |
ccefe4c4 TT |
1714 | } |
1715 | ||
1716 | /* Initialize storage for partial symbols. */ | |
1717 | ||
1718 | void | |
1719 | init_psymbol_list (struct objfile *objfile, int total_symbols) | |
1720 | { | |
1721 | /* Free any previously allocated psymbol lists. */ | |
af5bf4ad SM |
1722 | objfile->global_psymbols.clear (); |
1723 | objfile->static_psymbols.clear (); | |
ccefe4c4 TT |
1724 | |
1725 | /* Current best guess is that approximately a twentieth | |
1726 | of the total symbols (in a debugging file) are global or static | |
ca9c6ee2 | 1727 | oriented symbols, then multiply that by slop factor of two. */ |
af5bf4ad SM |
1728 | objfile->global_psymbols.reserve (total_symbols / 10); |
1729 | objfile->static_psymbols.reserve (total_symbols / 10); | |
ccefe4c4 TT |
1730 | } |
1731 | ||
1732 | struct partial_symtab * | |
1733 | allocate_psymtab (const char *filename, struct objfile *objfile) | |
1734 | { | |
1735 | struct partial_symtab *psymtab; | |
1736 | ||
1737 | if (objfile->free_psymtabs) | |
1738 | { | |
1739 | psymtab = objfile->free_psymtabs; | |
1740 | objfile->free_psymtabs = psymtab->next; | |
1741 | } | |
1742 | else | |
e39db4db | 1743 | psymtab = XOBNEW (&objfile->objfile_obstack, partial_symtab); |
ccefe4c4 TT |
1744 | |
1745 | memset (psymtab, 0, sizeof (struct partial_symtab)); | |
19ba03f4 SM |
1746 | psymtab->filename |
1747 | = (const char *) bcache (filename, strlen (filename) + 1, | |
1748 | objfile->per_bfd->filename_cache); | |
43f3e411 | 1749 | psymtab->compunit_symtab = NULL; |
ccefe4c4 TT |
1750 | |
1751 | /* Prepend it to the psymtab list for the objfile it belongs to. | |
1752 | Psymtabs are searched in most recent inserted -> least recent | |
0df8b418 | 1753 | inserted order. */ |
ccefe4c4 | 1754 | |
ccefe4c4 TT |
1755 | psymtab->next = objfile->psymtabs; |
1756 | objfile->psymtabs = psymtab; | |
ccefe4c4 | 1757 | |
45cfd468 DE |
1758 | if (symtab_create_debug) |
1759 | { | |
1760 | /* Be a bit clever with debugging messages, and don't print objfile | |
1761 | every time, only when it changes. */ | |
1762 | static char *last_objfile_name = NULL; | |
1763 | ||
1764 | if (last_objfile_name == NULL | |
4262abfb | 1765 | || strcmp (last_objfile_name, objfile_name (objfile)) != 0) |
45cfd468 DE |
1766 | { |
1767 | xfree (last_objfile_name); | |
4262abfb | 1768 | last_objfile_name = xstrdup (objfile_name (objfile)); |
45cfd468 DE |
1769 | fprintf_unfiltered (gdb_stdlog, |
1770 | "Creating one or more psymtabs for objfile %s ...\n", | |
1771 | last_objfile_name); | |
1772 | } | |
1773 | fprintf_unfiltered (gdb_stdlog, | |
fd55216c DE |
1774 | "Created psymtab %s for module %s.\n", |
1775 | host_address_to_string (psymtab), filename); | |
45cfd468 DE |
1776 | } |
1777 | ||
95cf5869 | 1778 | return psymtab; |
ccefe4c4 TT |
1779 | } |
1780 | ||
1781 | void | |
5c80ed9d | 1782 | discard_psymtab (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 TT |
1783 | { |
1784 | struct partial_symtab **prev_pst; | |
1785 | ||
1786 | /* From dbxread.c: | |
1787 | Empty psymtabs happen as a result of header files which don't | |
1788 | have any symbols in them. There can be a lot of them. But this | |
1789 | check is wrong, in that a psymtab with N_SLINE entries but | |
1790 | nothing else is not empty, but we don't realize that. Fixing | |
1791 | that without slowing things down might be tricky. */ | |
1792 | ||
0df8b418 | 1793 | /* First, snip it out of the psymtab chain. */ |
ccefe4c4 | 1794 | |
5c80ed9d | 1795 | prev_pst = &(objfile->psymtabs); |
ccefe4c4 TT |
1796 | while ((*prev_pst) != pst) |
1797 | prev_pst = &((*prev_pst)->next); | |
1798 | (*prev_pst) = pst->next; | |
1799 | ||
0df8b418 | 1800 | /* Next, put it on a free list for recycling. */ |
ccefe4c4 | 1801 | |
5c80ed9d TT |
1802 | pst->next = objfile->free_psymtabs; |
1803 | objfile->free_psymtabs = pst; | |
ccefe4c4 TT |
1804 | } |
1805 | ||
ccefe4c4 TT |
1806 | \f |
1807 | ||
372405a5 DE |
1808 | /* We need to pass a couple of items to the addrmap_foreach function, |
1809 | so use a struct. */ | |
1810 | ||
1811 | struct dump_psymtab_addrmap_data | |
1812 | { | |
1813 | struct objfile *objfile; | |
1814 | struct partial_symtab *psymtab; | |
1815 | struct ui_file *outfile; | |
1816 | ||
1817 | /* Non-zero if the previously printed addrmap entry was for PSYMTAB. | |
1818 | If so, we want to print the next one as well (since the next addrmap | |
1819 | entry defines the end of the range). */ | |
1820 | int previous_matched; | |
1821 | }; | |
1822 | ||
1823 | /* Helper function for dump_psymtab_addrmap to print an addrmap entry. */ | |
1824 | ||
1825 | static int | |
1826 | dump_psymtab_addrmap_1 (void *datap, CORE_ADDR start_addr, void *obj) | |
1827 | { | |
709b5518 PA |
1828 | struct dump_psymtab_addrmap_data *data |
1829 | = (struct dump_psymtab_addrmap_data *) datap; | |
372405a5 | 1830 | struct gdbarch *gdbarch = get_objfile_arch (data->objfile); |
709b5518 | 1831 | struct partial_symtab *addrmap_psymtab = (struct partial_symtab *) obj; |
372405a5 DE |
1832 | const char *psymtab_address_or_end = NULL; |
1833 | ||
1834 | QUIT; | |
1835 | ||
1836 | if (data->psymtab == NULL | |
1837 | || data->psymtab == addrmap_psymtab) | |
1838 | psymtab_address_or_end = host_address_to_string (addrmap_psymtab); | |
1839 | else if (data->previous_matched) | |
1840 | psymtab_address_or_end = "<ends here>"; | |
1841 | ||
1842 | if (data->psymtab == NULL | |
1843 | || data->psymtab == addrmap_psymtab | |
1844 | || data->previous_matched) | |
1845 | { | |
1846 | fprintf_filtered (data->outfile, " %s%s %s\n", | |
1847 | data->psymtab != NULL ? " " : "", | |
1848 | paddress (gdbarch, start_addr), | |
1849 | psymtab_address_or_end); | |
1850 | } | |
1851 | ||
1852 | data->previous_matched = (data->psymtab == NULL | |
1853 | || data->psymtab == addrmap_psymtab); | |
1854 | ||
1855 | return 0; | |
1856 | } | |
1857 | ||
1858 | /* Helper function for maintenance_print_psymbols to print the addrmap | |
1859 | of PSYMTAB. If PSYMTAB is NULL print the entire addrmap. */ | |
1860 | ||
1861 | static void | |
1862 | dump_psymtab_addrmap (struct objfile *objfile, struct partial_symtab *psymtab, | |
1863 | struct ui_file *outfile) | |
1864 | { | |
1865 | struct dump_psymtab_addrmap_data addrmap_dump_data; | |
1866 | ||
34c41c68 DE |
1867 | if ((psymtab == NULL |
1868 | || psymtab->psymtabs_addrmap_supported) | |
1869 | && objfile->psymtabs_addrmap != NULL) | |
372405a5 DE |
1870 | { |
1871 | addrmap_dump_data.objfile = objfile; | |
1872 | addrmap_dump_data.psymtab = psymtab; | |
1873 | addrmap_dump_data.outfile = outfile; | |
1874 | addrmap_dump_data.previous_matched = 0; | |
1875 | fprintf_filtered (outfile, "%sddress map:\n", | |
1876 | psymtab == NULL ? "Entire a" : " A"); | |
1877 | addrmap_foreach (objfile->psymtabs_addrmap, dump_psymtab_addrmap_1, | |
1878 | &addrmap_dump_data); | |
1879 | } | |
1880 | } | |
1881 | ||
dfc7bb5b | 1882 | static void |
990b9f9f | 1883 | maintenance_print_psymbols (const char *args, int from_tty) |
ccefe4c4 | 1884 | { |
34c41c68 | 1885 | struct ui_file *outfile = gdb_stdout; |
34c41c68 | 1886 | char *address_arg = NULL, *source_arg = NULL, *objfile_arg = NULL; |
ccefe4c4 TT |
1887 | struct objfile *objfile; |
1888 | struct partial_symtab *ps; | |
34c41c68 DE |
1889 | int i, outfile_idx, found; |
1890 | CORE_ADDR pc = 0; | |
1891 | struct obj_section *section = NULL; | |
ccefe4c4 TT |
1892 | |
1893 | dont_repeat (); | |
1894 | ||
773a1edc | 1895 | gdb_argv argv (args); |
ccefe4c4 | 1896 | |
99e8a4f9 | 1897 | for (i = 0; argv != NULL && argv[i] != NULL; ++i) |
ccefe4c4 | 1898 | { |
34c41c68 DE |
1899 | if (strcmp (argv[i], "-pc") == 0) |
1900 | { | |
1901 | if (argv[i + 1] == NULL) | |
1902 | error (_("Missing pc value")); | |
1903 | address_arg = argv[++i]; | |
1904 | } | |
1905 | else if (strcmp (argv[i], "-source") == 0) | |
1906 | { | |
1907 | if (argv[i + 1] == NULL) | |
1908 | error (_("Missing source file")); | |
1909 | source_arg = argv[++i]; | |
1910 | } | |
1911 | else if (strcmp (argv[i], "-objfile") == 0) | |
1912 | { | |
1913 | if (argv[i + 1] == NULL) | |
1914 | error (_("Missing objfile name")); | |
1915 | objfile_arg = argv[++i]; | |
1916 | } | |
1917 | else if (strcmp (argv[i], "--") == 0) | |
1918 | { | |
1919 | /* End of options. */ | |
1920 | ++i; | |
1921 | break; | |
1922 | } | |
1923 | else if (argv[i][0] == '-') | |
ccefe4c4 | 1924 | { |
34c41c68 DE |
1925 | /* Future proofing: Don't allow OUTFILE to begin with "-". */ |
1926 | error (_("Unknown option: %s"), argv[i]); | |
ccefe4c4 | 1927 | } |
34c41c68 DE |
1928 | else |
1929 | break; | |
ccefe4c4 | 1930 | } |
34c41c68 | 1931 | outfile_idx = i; |
ccefe4c4 | 1932 | |
34c41c68 DE |
1933 | if (address_arg != NULL && source_arg != NULL) |
1934 | error (_("Must specify at most one of -pc and -source")); | |
ccefe4c4 | 1935 | |
d7e74731 PA |
1936 | stdio_file arg_outfile; |
1937 | ||
99e8a4f9 | 1938 | if (argv != NULL && argv[outfile_idx] != NULL) |
34c41c68 | 1939 | { |
34c41c68 DE |
1940 | if (argv[outfile_idx + 1] != NULL) |
1941 | error (_("Junk at end of command")); | |
ee0c3293 TT |
1942 | gdb::unique_xmalloc_ptr<char> outfile_name |
1943 | (tilde_expand (argv[outfile_idx])); | |
1944 | if (!arg_outfile.open (outfile_name.get (), FOPEN_WT)) | |
1945 | perror_with_name (outfile_name.get ()); | |
d7e74731 | 1946 | outfile = &arg_outfile; |
34c41c68 | 1947 | } |
ccefe4c4 | 1948 | |
34c41c68 DE |
1949 | if (address_arg != NULL) |
1950 | { | |
1951 | pc = parse_and_eval_address (address_arg); | |
1952 | /* If we fail to find a section, that's ok, try the lookup anyway. */ | |
1953 | section = find_pc_section (pc); | |
1954 | } | |
372405a5 | 1955 | |
34c41c68 DE |
1956 | found = 0; |
1957 | ALL_OBJFILES (objfile) | |
27618ce4 | 1958 | { |
34c41c68 DE |
1959 | int printed_objfile_header = 0; |
1960 | int print_for_objfile = 1; | |
1961 | ||
27618ce4 | 1962 | QUIT; |
34c41c68 DE |
1963 | if (objfile_arg != NULL) |
1964 | print_for_objfile | |
1965 | = compare_filenames_for_search (objfile_name (objfile), | |
1966 | objfile_arg); | |
1967 | if (!print_for_objfile) | |
1968 | continue; | |
1969 | ||
1970 | if (address_arg != NULL) | |
1971 | { | |
1972 | struct bound_minimal_symbol msymbol = { NULL, NULL }; | |
1973 | ||
1974 | /* We don't assume each pc has a unique objfile (this is for | |
1975 | debugging). */ | |
1976 | ps = find_pc_sect_psymtab (objfile, pc, section, msymbol); | |
1977 | if (ps != NULL) | |
1978 | { | |
1979 | if (!printed_objfile_header) | |
1980 | { | |
d7e74731 PA |
1981 | outfile->printf ("\nPartial symtabs for objfile %s\n", |
1982 | objfile_name (objfile)); | |
34c41c68 DE |
1983 | printed_objfile_header = 1; |
1984 | } | |
1985 | dump_psymtab (objfile, ps, outfile); | |
1986 | dump_psymtab_addrmap (objfile, ps, outfile); | |
1987 | found = 1; | |
1988 | } | |
1989 | } | |
1990 | else | |
1991 | { | |
1992 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) | |
1993 | { | |
1994 | int print_for_source = 0; | |
1995 | ||
1996 | QUIT; | |
1997 | if (source_arg != NULL) | |
1998 | { | |
1999 | print_for_source | |
2000 | = compare_filenames_for_search (ps->filename, source_arg); | |
2001 | found = 1; | |
2002 | } | |
2003 | if (source_arg == NULL | |
2004 | || print_for_source) | |
2005 | { | |
2006 | if (!printed_objfile_header) | |
2007 | { | |
d7e74731 PA |
2008 | outfile->printf ("\nPartial symtabs for objfile %s\n", |
2009 | objfile_name (objfile)); | |
34c41c68 DE |
2010 | printed_objfile_header = 1; |
2011 | } | |
2012 | dump_psymtab (objfile, ps, outfile); | |
2013 | dump_psymtab_addrmap (objfile, ps, outfile); | |
2014 | } | |
2015 | } | |
2016 | } | |
2017 | ||
2018 | /* If we're printing all the objfile's symbols dump the full addrmap. */ | |
2019 | ||
2020 | if (address_arg == NULL | |
2021 | && source_arg == NULL | |
2022 | && objfile->psymtabs_addrmap != NULL) | |
372405a5 | 2023 | { |
d7e74731 | 2024 | outfile->puts ("\n"); |
34c41c68 | 2025 | dump_psymtab_addrmap (objfile, NULL, outfile); |
372405a5 | 2026 | } |
27618ce4 | 2027 | } |
372405a5 | 2028 | |
34c41c68 DE |
2029 | if (!found) |
2030 | { | |
2031 | if (address_arg != NULL) | |
2032 | error (_("No partial symtab for address: %s"), address_arg); | |
2033 | if (source_arg != NULL) | |
2034 | error (_("No partial symtab for source file: %s"), source_arg); | |
2035 | } | |
ccefe4c4 TT |
2036 | } |
2037 | ||
2038 | /* List all the partial symbol tables whose names match REGEXP (optional). */ | |
95cf5869 | 2039 | |
dfc7bb5b | 2040 | static void |
990b9f9f | 2041 | maintenance_info_psymtabs (const char *regexp, int from_tty) |
ccefe4c4 TT |
2042 | { |
2043 | struct program_space *pspace; | |
2044 | struct objfile *objfile; | |
2045 | ||
2046 | if (regexp) | |
2047 | re_comp (regexp); | |
2048 | ||
2049 | ALL_PSPACES (pspace) | |
2050 | ALL_PSPACE_OBJFILES (pspace, objfile) | |
2051 | { | |
2052 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
2053 | struct partial_symtab *psymtab; | |
2054 | ||
2055 | /* We don't want to print anything for this objfile until we | |
2056 | actually find a symtab whose name matches. */ | |
2057 | int printed_objfile_start = 0; | |
2058 | ||
b11896a5 | 2059 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab) |
ccefe4c4 TT |
2060 | { |
2061 | QUIT; | |
2062 | ||
2063 | if (! regexp | |
2064 | || re_exec (psymtab->filename)) | |
2065 | { | |
2066 | if (! printed_objfile_start) | |
2067 | { | |
4262abfb | 2068 | printf_filtered ("{ objfile %s ", objfile_name (objfile)); |
ccefe4c4 | 2069 | wrap_here (" "); |
95cf5869 | 2070 | printf_filtered ("((struct objfile *) %s)\n", |
ccefe4c4 TT |
2071 | host_address_to_string (objfile)); |
2072 | printed_objfile_start = 1; | |
2073 | } | |
2074 | ||
2075 | printf_filtered (" { psymtab %s ", psymtab->filename); | |
2076 | wrap_here (" "); | |
95cf5869 | 2077 | printf_filtered ("((struct partial_symtab *) %s)\n", |
ccefe4c4 TT |
2078 | host_address_to_string (psymtab)); |
2079 | ||
2080 | printf_filtered (" readin %s\n", | |
2081 | psymtab->readin ? "yes" : "no"); | |
2082 | printf_filtered (" fullname %s\n", | |
3e43a32a MS |
2083 | psymtab->fullname |
2084 | ? psymtab->fullname : "(null)"); | |
ccefe4c4 | 2085 | printf_filtered (" text addresses "); |
79748972 | 2086 | fputs_filtered (paddress (gdbarch, psymtab->text_low (objfile)), |
ccefe4c4 TT |
2087 | gdb_stdout); |
2088 | printf_filtered (" -- "); | |
79748972 | 2089 | fputs_filtered (paddress (gdbarch, psymtab->text_high (objfile)), |
ccefe4c4 TT |
2090 | gdb_stdout); |
2091 | printf_filtered ("\n"); | |
9750bca9 JK |
2092 | printf_filtered (" psymtabs_addrmap_supported %s\n", |
2093 | (psymtab->psymtabs_addrmap_supported | |
2094 | ? "yes" : "no")); | |
ccefe4c4 TT |
2095 | printf_filtered (" globals "); |
2096 | if (psymtab->n_global_syms) | |
2097 | { | |
af5bf4ad SM |
2098 | auto p = &objfile->global_psymbols[psymtab->globals_offset]; |
2099 | ||
ccefe4c4 | 2100 | printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", |
af5bf4ad | 2101 | host_address_to_string (p), |
ccefe4c4 TT |
2102 | psymtab->n_global_syms); |
2103 | } | |
2104 | else | |
2105 | printf_filtered ("(none)\n"); | |
2106 | printf_filtered (" statics "); | |
2107 | if (psymtab->n_static_syms) | |
2108 | { | |
af5bf4ad SM |
2109 | auto p = &objfile->static_psymbols[psymtab->statics_offset]; |
2110 | ||
ccefe4c4 | 2111 | printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", |
af5bf4ad | 2112 | host_address_to_string (p), |
ccefe4c4 TT |
2113 | psymtab->n_static_syms); |
2114 | } | |
2115 | else | |
2116 | printf_filtered ("(none)\n"); | |
2117 | printf_filtered (" dependencies "); | |
2118 | if (psymtab->number_of_dependencies) | |
2119 | { | |
2120 | int i; | |
2121 | ||
2122 | printf_filtered ("{\n"); | |
2123 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
2124 | { | |
2125 | struct partial_symtab *dep = psymtab->dependencies[i]; | |
2126 | ||
2127 | /* Note the string concatenation there --- no comma. */ | |
2128 | printf_filtered (" psymtab %s " | |
2129 | "((struct partial_symtab *) %s)\n", | |
95cf5869 | 2130 | dep->filename, |
ccefe4c4 TT |
2131 | host_address_to_string (dep)); |
2132 | } | |
2133 | printf_filtered (" }\n"); | |
2134 | } | |
2135 | else | |
2136 | printf_filtered ("(none)\n"); | |
2137 | printf_filtered (" }\n"); | |
2138 | } | |
2139 | } | |
2140 | ||
2141 | if (printed_objfile_start) | |
2142 | printf_filtered ("}\n"); | |
2143 | } | |
2144 | } | |
2145 | ||
7d0c9981 | 2146 | /* Check consistency of currently expanded psymtabs vs symtabs. */ |
ccefe4c4 | 2147 | |
dfc7bb5b | 2148 | static void |
990b9f9f | 2149 | maintenance_check_psymtabs (const char *ignore, int from_tty) |
ccefe4c4 TT |
2150 | { |
2151 | struct symbol *sym; | |
43f3e411 | 2152 | struct compunit_symtab *cust = NULL; |
ccefe4c4 | 2153 | struct partial_symtab *ps; |
346d1dfe | 2154 | const struct blockvector *bv; |
ccefe4c4 TT |
2155 | struct objfile *objfile; |
2156 | struct block *b; | |
2157 | int length; | |
2158 | ||
2159 | ALL_PSYMTABS (objfile, ps) | |
2160 | { | |
2161 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
ad3bbd48 | 2162 | |
7d0c9981 DE |
2163 | /* We don't call psymtab_to_symtab here because that may cause symtab |
2164 | expansion. When debugging a problem it helps if checkers leave | |
2165 | things unchanged. */ | |
43f3e411 | 2166 | cust = ps->compunit_symtab; |
7d0c9981 DE |
2167 | |
2168 | /* First do some checks that don't require the associated symtab. */ | |
79748972 | 2169 | if (ps->text_high (objfile) < ps->text_low (objfile)) |
7d0c9981 DE |
2170 | { |
2171 | printf_filtered ("Psymtab "); | |
2172 | puts_filtered (ps->filename); | |
2173 | printf_filtered (" covers bad range "); | |
79748972 TT |
2174 | fputs_filtered (paddress (gdbarch, ps->text_low (objfile)), |
2175 | gdb_stdout); | |
7d0c9981 | 2176 | printf_filtered (" - "); |
79748972 TT |
2177 | fputs_filtered (paddress (gdbarch, ps->text_high (objfile)), |
2178 | gdb_stdout); | |
7d0c9981 DE |
2179 | printf_filtered ("\n"); |
2180 | continue; | |
2181 | } | |
2182 | ||
2183 | /* Now do checks requiring the associated symtab. */ | |
43f3e411 | 2184 | if (cust == NULL) |
ccefe4c4 | 2185 | continue; |
43f3e411 | 2186 | bv = COMPUNIT_BLOCKVECTOR (cust); |
ccefe4c4 | 2187 | b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); |
af5bf4ad | 2188 | partial_symbol **psym = &objfile->static_psymbols[ps->statics_offset]; |
ccefe4c4 TT |
2189 | length = ps->n_static_syms; |
2190 | while (length--) | |
2191 | { | |
8a6d4234 | 2192 | sym = block_lookup_symbol (b, symbol_search_name (*psym), |
de63c46b | 2193 | symbol_name_match_type::SEARCH_NAME, |
8a6d4234 | 2194 | (*psym)->domain); |
ccefe4c4 TT |
2195 | if (!sym) |
2196 | { | |
2197 | printf_filtered ("Static symbol `"); | |
8a6d4234 | 2198 | puts_filtered ((*psym)->name); |
ccefe4c4 TT |
2199 | printf_filtered ("' only found in "); |
2200 | puts_filtered (ps->filename); | |
2201 | printf_filtered (" psymtab\n"); | |
2202 | } | |
2203 | psym++; | |
2204 | } | |
2205 | b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
af5bf4ad | 2206 | psym = &objfile->global_psymbols[ps->globals_offset]; |
ccefe4c4 TT |
2207 | length = ps->n_global_syms; |
2208 | while (length--) | |
2209 | { | |
8a6d4234 | 2210 | sym = block_lookup_symbol (b, symbol_search_name (*psym), |
de63c46b | 2211 | symbol_name_match_type::SEARCH_NAME, |
8a6d4234 | 2212 | (*psym)->domain); |
ccefe4c4 TT |
2213 | if (!sym) |
2214 | { | |
2215 | printf_filtered ("Global symbol `"); | |
8a6d4234 | 2216 | puts_filtered ((*psym)->name); |
ccefe4c4 TT |
2217 | printf_filtered ("' only found in "); |
2218 | puts_filtered (ps->filename); | |
2219 | printf_filtered (" psymtab\n"); | |
2220 | } | |
2221 | psym++; | |
2222 | } | |
79748972 TT |
2223 | if (ps->raw_text_high () != 0 |
2224 | && (ps->text_low (objfile) < BLOCK_START (b) | |
2225 | || ps->text_high (objfile) > BLOCK_END (b))) | |
ccefe4c4 TT |
2226 | { |
2227 | printf_filtered ("Psymtab "); | |
2228 | puts_filtered (ps->filename); | |
2229 | printf_filtered (" covers "); | |
79748972 TT |
2230 | fputs_filtered (paddress (gdbarch, ps->text_low (objfile)), |
2231 | gdb_stdout); | |
ccefe4c4 | 2232 | printf_filtered (" - "); |
79748972 TT |
2233 | fputs_filtered (paddress (gdbarch, ps->text_high (objfile)), |
2234 | gdb_stdout); | |
ccefe4c4 TT |
2235 | printf_filtered (" but symtab covers only "); |
2236 | fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout); | |
2237 | printf_filtered (" - "); | |
2238 | fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout); | |
2239 | printf_filtered ("\n"); | |
2240 | } | |
2241 | } | |
2242 | } | |
2243 | ||
dfc7bb5b YQ |
2244 | void |
2245 | _initialize_psymtab (void) | |
2246 | { | |
2247 | add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols, _("\ | |
2248 | Print dump of current partial symbol definitions.\n\ | |
34c41c68 DE |
2249 | Usage: mt print psymbols [-objfile objfile] [-pc address] [--] [outfile]\n\ |
2250 | mt print psymbols [-objfile objfile] [-source source] [--] [outfile]\n\ | |
2251 | Entries in the partial symbol table are dumped to file OUTFILE,\n\ | |
2252 | or the terminal if OUTFILE is unspecified.\n\ | |
2253 | If ADDRESS is provided, dump only the file for that address.\n\ | |
2254 | If SOURCE is provided, dump only that file's symbols.\n\ | |
2255 | If OBJFILE is provided, dump only that file's minimal symbols."), | |
dfc7bb5b YQ |
2256 | &maintenanceprintlist); |
2257 | ||
2258 | add_cmd ("psymtabs", class_maintenance, maintenance_info_psymtabs, _("\ | |
2259 | List the partial symbol tables for all object files.\n\ | |
2260 | This does not include information about individual partial symbols,\n\ | |
2261 | just the symbol table structures themselves."), | |
2262 | &maintenanceinfolist); | |
2263 | ||
7d0c9981 DE |
2264 | add_cmd ("check-psymtabs", class_maintenance, maintenance_check_psymtabs, |
2265 | _("\ | |
2266 | Check consistency of currently expanded psymtabs versus symtabs."), | |
dfc7bb5b YQ |
2267 | &maintenancelist); |
2268 | } |