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" | |
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) | |
3453e7e4 TT |
81 | printf_filtered (_("Reading symbols from %s...\n"), |
82 | objfile_name (objfile)); | |
b11896a5 | 83 | (*objfile->sf->sym_read_psymbols) (objfile); |
af5bf4ad SM |
84 | |
85 | /* Partial symbols list are not expected to changed after this | |
86 | point. */ | |
87 | objfile->global_psymbols.shrink_to_fit (); | |
88 | objfile->static_psymbols.shrink_to_fit (); | |
89 | ||
3453e7e4 TT |
90 | if (verbose && !objfile_has_symbols (objfile)) |
91 | printf_filtered (_("(No debugging symbols found in %s)\n"), | |
92 | objfile_name (objfile)); | |
b11896a5 TT |
93 | } |
94 | } | |
95 | ||
96 | return objfile; | |
97 | } | |
98 | ||
99 | /* Traverse all psymtabs in one objfile, requiring that the psymtabs | |
100 | be read in. */ | |
101 | ||
102 | #define ALL_OBJFILE_PSYMTABS_REQUIRED(objfile, p) \ | |
103 | for ((p) = require_partial_symbols (objfile, 1)->psymtabs; \ | |
104 | (p) != NULL; \ | |
105 | (p) = (p)->next) | |
106 | ||
107 | /* We want to make sure this file always requires psymtabs. */ | |
108 | ||
109 | #undef ALL_OBJFILE_PSYMTABS | |
110 | ||
111 | /* Traverse all psymtabs in all objfiles. */ | |
112 | ||
113 | #define ALL_PSYMTABS(objfile, p) \ | |
114 | ALL_OBJFILES (objfile) \ | |
115 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) | |
116 | ||
83827540 | 117 | /* Helper function for psym_map_symtabs_matching_filename that |
f8eba3c6 | 118 | expands the symtabs and calls the iterator. */ |
ccefe4c4 | 119 | |
14bc53a8 | 120 | static bool |
f8eba3c6 TT |
121 | partial_map_expand_apply (struct objfile *objfile, |
122 | const char *name, | |
f8eba3c6 TT |
123 | const char *real_path, |
124 | struct partial_symtab *pst, | |
14bc53a8 | 125 | gdb::function_view<bool (symtab *)> callback) |
f8eba3c6 | 126 | { |
43f3e411 | 127 | struct compunit_symtab *last_made = objfile->compunit_symtabs; |
f8eba3c6 | 128 | |
9439a077 TT |
129 | /* Shared psymtabs should never be seen here. Instead they should |
130 | be handled properly by the caller. */ | |
131 | gdb_assert (pst->user == NULL); | |
132 | ||
f8eba3c6 TT |
133 | /* Don't visit already-expanded psymtabs. */ |
134 | if (pst->readin) | |
135 | return 0; | |
136 | ||
137 | /* This may expand more than one symtab, and we want to iterate over | |
138 | all of them. */ | |
5c80ed9d | 139 | psymtab_to_symtab (objfile, pst); |
f8eba3c6 | 140 | |
14bc53a8 PA |
141 | return iterate_over_some_symtabs (name, real_path, objfile->compunit_symtabs, |
142 | last_made, callback); | |
f8eba3c6 TT |
143 | } |
144 | ||
83827540 DE |
145 | /* Psymtab version of map_symtabs_matching_filename. See its definition in |
146 | the definition of quick_symbol_functions in symfile.h. */ | |
f8eba3c6 | 147 | |
14bc53a8 PA |
148 | static bool |
149 | psym_map_symtabs_matching_filename | |
150 | (struct objfile *objfile, | |
151 | const char *name, | |
152 | const char *real_path, | |
153 | gdb::function_view<bool (symtab *)> callback) | |
ccefe4c4 TT |
154 | { |
155 | struct partial_symtab *pst; | |
c011a4f4 | 156 | const char *name_basename = lbasename (name); |
ccefe4c4 | 157 | |
b11896a5 | 158 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
ccefe4c4 | 159 | { |
9439a077 TT |
160 | /* We can skip shared psymtabs here, because any file name will be |
161 | attached to the unshared psymtab. */ | |
162 | if (pst->user != NULL) | |
163 | continue; | |
164 | ||
b4c41fc7 DE |
165 | /* Anonymous psymtabs don't have a file name. */ |
166 | if (pst->anonymous) | |
167 | continue; | |
168 | ||
af529f8f | 169 | if (compare_filenames_for_search (pst->filename, name)) |
ccefe4c4 | 170 | { |
f5b95b50 | 171 | if (partial_map_expand_apply (objfile, name, real_path, |
14bc53a8 PA |
172 | pst, callback)) |
173 | return true; | |
288e77a7 | 174 | continue; |
ccefe4c4 TT |
175 | } |
176 | ||
c011a4f4 DE |
177 | /* Before we invoke realpath, which can get expensive when many |
178 | files are involved, do a quick comparison of the basenames. */ | |
179 | if (! basenames_may_differ | |
180 | && FILENAME_CMP (name_basename, lbasename (pst->filename)) != 0) | |
181 | continue; | |
182 | ||
05cba821 JK |
183 | if (compare_filenames_for_search (psymtab_to_fullname (pst), name)) |
184 | { | |
185 | if (partial_map_expand_apply (objfile, name, real_path, | |
14bc53a8 PA |
186 | pst, callback)) |
187 | return true; | |
288e77a7 | 188 | continue; |
05cba821 JK |
189 | } |
190 | ||
ccefe4c4 TT |
191 | /* If the user gave us an absolute path, try to find the file in |
192 | this symtab and use its absolute path. */ | |
ccefe4c4 TT |
193 | if (real_path != NULL) |
194 | { | |
af529f8f JK |
195 | gdb_assert (IS_ABSOLUTE_PATH (real_path)); |
196 | gdb_assert (IS_ABSOLUTE_PATH (name)); | |
fbd9ab74 | 197 | if (filename_cmp (psymtab_to_fullname (pst), real_path) == 0) |
ccefe4c4 | 198 | { |
f5b95b50 | 199 | if (partial_map_expand_apply (objfile, name, real_path, |
14bc53a8 PA |
200 | pst, callback)) |
201 | return true; | |
288e77a7 | 202 | continue; |
ccefe4c4 TT |
203 | } |
204 | } | |
205 | } | |
206 | ||
14bc53a8 | 207 | return false; |
ccefe4c4 TT |
208 | } |
209 | ||
210 | /* Find which partial symtab contains PC and SECTION starting at psymtab PST. | |
211 | We may find a different psymtab than PST. See FIND_PC_SECT_PSYMTAB. */ | |
212 | ||
213 | static struct partial_symtab * | |
5c80ed9d TT |
214 | find_pc_sect_psymtab_closer (struct objfile *objfile, |
215 | CORE_ADDR pc, struct obj_section *section, | |
ccefe4c4 | 216 | struct partial_symtab *pst, |
77e371c0 | 217 | struct bound_minimal_symbol msymbol) |
ccefe4c4 | 218 | { |
ccefe4c4 TT |
219 | struct partial_symtab *tpst; |
220 | struct partial_symtab *best_pst = pst; | |
79748972 | 221 | CORE_ADDR best_addr = pst->text_low (objfile); |
ccefe4c4 | 222 | |
9750bca9 JK |
223 | gdb_assert (!pst->psymtabs_addrmap_supported); |
224 | ||
ccefe4c4 TT |
225 | /* An objfile that has its functions reordered might have |
226 | many partial symbol tables containing the PC, but | |
227 | we want the partial symbol table that contains the | |
228 | function containing the PC. */ | |
95cf5869 DE |
229 | if (!(objfile->flags & OBJF_REORDERED) |
230 | && section == NULL) /* Can't validate section this way. */ | |
ccefe4c4 TT |
231 | return pst; |
232 | ||
77e371c0 | 233 | if (msymbol.minsym == NULL) |
95cf5869 | 234 | return pst; |
ccefe4c4 TT |
235 | |
236 | /* The code range of partial symtabs sometimes overlap, so, in | |
237 | the loop below, we need to check all partial symtabs and | |
0df8b418 | 238 | find the one that fits better for the given PC address. We |
ccefe4c4 TT |
239 | select the partial symtab that contains a symbol whose |
240 | address is closest to the PC address. By closest we mean | |
241 | that find_pc_sect_symbol returns the symbol with address | |
242 | that is closest and still less than the given PC. */ | |
243 | for (tpst = pst; tpst != NULL; tpst = tpst->next) | |
244 | { | |
79748972 | 245 | if (pc >= tpst->text_low (objfile) && pc < tpst->text_high (objfile)) |
ccefe4c4 TT |
246 | { |
247 | struct partial_symbol *p; | |
248 | CORE_ADDR this_addr; | |
249 | ||
250 | /* NOTE: This assumes that every psymbol has a | |
251 | corresponding msymbol, which is not necessarily | |
252 | true; the debug info might be much richer than the | |
253 | object's symbol table. */ | |
5c80ed9d | 254 | p = find_pc_sect_psymbol (objfile, tpst, pc, section); |
ccefe4c4 | 255 | if (p != NULL |
02e9e7f7 | 256 | && (p->address (objfile) == BMSYMBOL_VALUE_ADDRESS (msymbol))) |
ccefe4c4 TT |
257 | return tpst; |
258 | ||
259 | /* Also accept the textlow value of a psymtab as a | |
260 | "symbol", to provide some support for partial | |
261 | symbol tables with line information but no debug | |
262 | symbols (e.g. those produced by an assembler). */ | |
263 | if (p != NULL) | |
02e9e7f7 | 264 | this_addr = p->address (objfile); |
ccefe4c4 | 265 | else |
79748972 | 266 | this_addr = tpst->text_low (objfile); |
ccefe4c4 TT |
267 | |
268 | /* Check whether it is closer than our current | |
269 | BEST_ADDR. Since this symbol address is | |
270 | necessarily lower or equal to PC, the symbol closer | |
271 | to PC is the symbol which address is the highest. | |
272 | This way we return the psymtab which contains such | |
0df8b418 | 273 | best match symbol. This can help in cases where the |
ccefe4c4 TT |
274 | symbol information/debuginfo is not complete, like |
275 | for instance on IRIX6 with gcc, where no debug info | |
0df8b418 MS |
276 | is emitted for statics. (See also the nodebug.exp |
277 | testcase.) */ | |
ccefe4c4 TT |
278 | if (this_addr > best_addr) |
279 | { | |
280 | best_addr = this_addr; | |
281 | best_pst = tpst; | |
282 | } | |
283 | } | |
284 | } | |
285 | return best_pst; | |
286 | } | |
287 | ||
95cf5869 | 288 | /* Find which partial symtab contains PC and SECTION. Return NULL if |
ccefe4c4 TT |
289 | none. We return the psymtab that contains a symbol whose address |
290 | exactly matches PC, or, if we cannot find an exact match, the | |
291 | psymtab that contains a symbol whose address is closest to PC. */ | |
95cf5869 | 292 | |
ccefe4c4 TT |
293 | static struct partial_symtab * |
294 | find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc, | |
295 | struct obj_section *section, | |
77e371c0 | 296 | struct bound_minimal_symbol msymbol) |
ccefe4c4 TT |
297 | { |
298 | struct partial_symtab *pst; | |
79748972 TT |
299 | CORE_ADDR baseaddr = ANOFFSET (objfile->section_offsets, |
300 | SECT_OFF_TEXT (objfile)); | |
ccefe4c4 TT |
301 | |
302 | /* Try just the PSYMTABS_ADDRMAP mapping first as it has better granularity | |
303 | than the later used TEXTLOW/TEXTHIGH one. */ | |
304 | ||
305 | if (objfile->psymtabs_addrmap != NULL) | |
306 | { | |
19ba03f4 | 307 | pst = ((struct partial_symtab *) |
79748972 | 308 | addrmap_find (objfile->psymtabs_addrmap, pc - baseaddr)); |
ccefe4c4 TT |
309 | if (pst != NULL) |
310 | { | |
311 | /* FIXME: addrmaps currently do not handle overlayed sections, | |
312 | so fall back to the non-addrmap case if we're debugging | |
313 | overlays and the addrmap returned the wrong section. */ | |
95cf5869 | 314 | if (overlay_debugging && msymbol.minsym != NULL && section != NULL) |
ccefe4c4 TT |
315 | { |
316 | struct partial_symbol *p; | |
ad3bbd48 | 317 | |
ccefe4c4 TT |
318 | /* NOTE: This assumes that every psymbol has a |
319 | corresponding msymbol, which is not necessarily | |
320 | true; the debug info might be much richer than the | |
321 | object's symbol table. */ | |
5c80ed9d | 322 | p = find_pc_sect_psymbol (objfile, pst, pc, section); |
95cf5869 | 323 | if (p == NULL |
02e9e7f7 TT |
324 | || (p->address (objfile) |
325 | != BMSYMBOL_VALUE_ADDRESS (msymbol))) | |
ccefe4c4 TT |
326 | goto next; |
327 | } | |
328 | ||
329 | /* We do not try to call FIND_PC_SECT_PSYMTAB_CLOSER as | |
330 | PSYMTABS_ADDRMAP we used has already the best 1-byte | |
331 | granularity and FIND_PC_SECT_PSYMTAB_CLOSER may mislead us into | |
332 | a worse chosen section due to the TEXTLOW/TEXTHIGH ranges | |
333 | overlap. */ | |
334 | ||
335 | return pst; | |
336 | } | |
337 | } | |
338 | ||
339 | next: | |
340 | ||
341 | /* Existing PSYMTABS_ADDRMAP mapping is present even for PARTIAL_SYMTABs | |
342 | which still have no corresponding full SYMTABs read. But it is not | |
343 | present for non-DWARF2 debug infos not supporting PSYMTABS_ADDRMAP in GDB | |
344 | so far. */ | |
345 | ||
346 | /* Check even OBJFILE with non-zero PSYMTABS_ADDRMAP as only several of | |
347 | its CUs may be missing in PSYMTABS_ADDRMAP as they may be varying | |
348 | debug info type in single OBJFILE. */ | |
349 | ||
b11896a5 | 350 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
9750bca9 | 351 | if (!pst->psymtabs_addrmap_supported |
79748972 | 352 | && pc >= pst->text_low (objfile) && pc < pst->text_high (objfile)) |
ccefe4c4 TT |
353 | { |
354 | struct partial_symtab *best_pst; | |
355 | ||
5c80ed9d TT |
356 | best_pst = find_pc_sect_psymtab_closer (objfile, pc, section, pst, |
357 | msymbol); | |
ccefe4c4 TT |
358 | if (best_pst != NULL) |
359 | return best_pst; | |
360 | } | |
361 | ||
362 | return NULL; | |
363 | } | |
364 | ||
95cf5869 DE |
365 | /* Psymtab version of find_pc_sect_compunit_symtab. See its definition in |
366 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 367 | |
43f3e411 | 368 | static struct compunit_symtab * |
83827540 DE |
369 | psym_find_pc_sect_compunit_symtab (struct objfile *objfile, |
370 | struct bound_minimal_symbol msymbol, | |
371 | CORE_ADDR pc, | |
372 | struct obj_section *section, | |
373 | int warn_if_readin) | |
ccefe4c4 TT |
374 | { |
375 | struct partial_symtab *ps = find_pc_sect_psymtab (objfile, pc, section, | |
376 | msymbol); | |
95cf5869 | 377 | if (ps != NULL) |
ccefe4c4 TT |
378 | { |
379 | if (warn_if_readin && ps->readin) | |
380 | /* Might want to error() here (in case symtab is corrupt and | |
381 | will cause a core dump), but maybe we can successfully | |
382 | continue, so let's not. */ | |
383 | warning (_("\ | |
384 | (Internal error: pc %s in read in psymtab, but not in symtab.)\n"), | |
5c80ed9d TT |
385 | paddress (get_objfile_arch (objfile), pc)); |
386 | psymtab_to_symtab (objfile, ps); | |
43f3e411 | 387 | return ps->compunit_symtab; |
ccefe4c4 TT |
388 | } |
389 | return NULL; | |
390 | } | |
391 | ||
392 | /* Find which partial symbol within a psymtab matches PC and SECTION. | |
95cf5869 | 393 | Return NULL if none. */ |
ccefe4c4 TT |
394 | |
395 | static struct partial_symbol * | |
5c80ed9d TT |
396 | find_pc_sect_psymbol (struct objfile *objfile, |
397 | struct partial_symtab *psymtab, CORE_ADDR pc, | |
ccefe4c4 TT |
398 | struct obj_section *section) |
399 | { | |
af5bf4ad | 400 | struct partial_symbol *best = NULL; |
ccefe4c4 | 401 | CORE_ADDR best_pc; |
79748972 | 402 | const CORE_ADDR textlow = psymtab->text_low (objfile); |
ccefe4c4 TT |
403 | |
404 | gdb_assert (psymtab != NULL); | |
405 | ||
0df8b418 | 406 | /* Cope with programs that start at address 0. */ |
79748972 | 407 | best_pc = (textlow != 0) ? textlow - 1 : 0; |
ccefe4c4 TT |
408 | |
409 | /* Search the global symbols as well as the static symbols, so that | |
410 | find_pc_partial_function doesn't use a minimal symbol and thus | |
411 | cache a bad endaddr. */ | |
af5bf4ad | 412 | for (int i = 0; i < psymtab->n_global_syms; i++) |
ccefe4c4 | 413 | { |
af5bf4ad SM |
414 | partial_symbol *p = objfile->global_psymbols[psymtab->globals_offset + i]; |
415 | ||
8a6d4234 TT |
416 | if (p->domain == VAR_DOMAIN |
417 | && p->aclass == LOC_BLOCK | |
02e9e7f7 TT |
418 | && pc >= p->address (objfile) |
419 | && (p->address (objfile) > best_pc | |
79748972 | 420 | || (psymtab->text_low (objfile) == 0 |
02e9e7f7 | 421 | && best_pc == 0 && p->address (objfile) == 0))) |
ccefe4c4 | 422 | { |
95cf5869 | 423 | if (section != NULL) /* Match on a specific section. */ |
ccefe4c4 | 424 | { |
8a6d4234 | 425 | if (!matching_obj_sections (p->obj_section (objfile), |
e27d198c | 426 | section)) |
ccefe4c4 TT |
427 | continue; |
428 | } | |
02e9e7f7 | 429 | best_pc = p->address (objfile); |
ccefe4c4 TT |
430 | best = p; |
431 | } | |
432 | } | |
433 | ||
af5bf4ad | 434 | for (int i = 0; i < psymtab->n_static_syms; i++) |
ccefe4c4 | 435 | { |
af5bf4ad SM |
436 | partial_symbol *p = objfile->static_psymbols[psymtab->statics_offset + i]; |
437 | ||
8a6d4234 TT |
438 | if (p->domain == VAR_DOMAIN |
439 | && p->aclass == LOC_BLOCK | |
02e9e7f7 TT |
440 | && pc >= p->address (objfile) |
441 | && (p->address (objfile) > best_pc | |
79748972 | 442 | || (psymtab->text_low (objfile) == 0 |
02e9e7f7 | 443 | && best_pc == 0 && p->address (objfile) == 0))) |
ccefe4c4 | 444 | { |
95cf5869 | 445 | if (section != NULL) /* Match on a specific section. */ |
ccefe4c4 | 446 | { |
8a6d4234 | 447 | if (!matching_obj_sections (p->obj_section (objfile), |
e27d198c | 448 | section)) |
ccefe4c4 TT |
449 | continue; |
450 | } | |
02e9e7f7 | 451 | best_pc = p->address (objfile); |
ccefe4c4 TT |
452 | best = p; |
453 | } | |
454 | } | |
455 | ||
456 | return best; | |
457 | } | |
458 | ||
95cf5869 DE |
459 | /* Psymtab version of lookup_symbol. See its definition in |
460 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 461 | |
43f3e411 | 462 | static struct compunit_symtab * |
83827540 DE |
463 | psym_lookup_symbol (struct objfile *objfile, |
464 | int block_index, const char *name, | |
465 | const domain_enum domain) | |
ccefe4c4 TT |
466 | { |
467 | struct partial_symtab *ps; | |
468 | const int psymtab_index = (block_index == GLOBAL_BLOCK ? 1 : 0); | |
43f3e411 | 469 | struct compunit_symtab *stab_best = NULL; |
ccefe4c4 | 470 | |
b5ec771e PA |
471 | lookup_name_info lookup_name (name, symbol_name_match_type::FULL); |
472 | ||
b11896a5 | 473 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 | 474 | { |
5c80ed9d TT |
475 | if (!ps->readin && lookup_partial_symbol (objfile, ps, name, |
476 | psymtab_index, domain)) | |
c00f8484 | 477 | { |
b2e2f908 | 478 | struct symbol *sym, *with_opaque = NULL; |
43f3e411 | 479 | struct compunit_symtab *stab = psymtab_to_symtab (objfile, ps); |
f194fefb DE |
480 | /* Note: While psymtab_to_symtab can return NULL if the partial symtab |
481 | is empty, we can assume it won't here because lookup_partial_symbol | |
482 | succeeded. */ | |
43f3e411 | 483 | const struct blockvector *bv = COMPUNIT_BLOCKVECTOR (stab); |
f194fefb | 484 | struct block *block = BLOCKVECTOR_BLOCK (bv, block_index); |
c00f8484 | 485 | |
b2e2f908 DE |
486 | sym = block_find_symbol (block, name, domain, |
487 | block_find_non_opaque_type_preferred, | |
488 | &with_opaque); | |
489 | ||
c00f8484 | 490 | /* Some caution must be observed with overloaded functions |
b2e2f908 | 491 | and methods, since the index will not contain any overload |
c00f8484 | 492 | information (but NAME might contain it). */ |
bfb05775 | 493 | |
b2e2f908 | 494 | if (sym != NULL |
b5ec771e | 495 | && SYMBOL_MATCHES_SEARCH_NAME (sym, lookup_name)) |
b2e2f908 DE |
496 | return stab; |
497 | if (with_opaque != NULL | |
b5ec771e | 498 | && SYMBOL_MATCHES_SEARCH_NAME (with_opaque, lookup_name)) |
b2e2f908 | 499 | stab_best = stab; |
c00f8484 KS |
500 | |
501 | /* Keep looking through other psymtabs. */ | |
502 | } | |
ccefe4c4 TT |
503 | } |
504 | ||
bfb05775 | 505 | return stab_best; |
ccefe4c4 TT |
506 | } |
507 | ||
b5ec771e PA |
508 | /* Returns true if PSYM matches LOOKUP_NAME. */ |
509 | ||
510 | static bool | |
511 | psymbol_name_matches (partial_symbol *psym, | |
512 | const lookup_name_info &lookup_name) | |
513 | { | |
8a6d4234 | 514 | const language_defn *lang = language_def (psym->language); |
b5ec771e | 515 | symbol_name_matcher_ftype *name_match |
618daa93 | 516 | = get_symbol_name_matcher (lang, lookup_name); |
8a6d4234 | 517 | return name_match (symbol_search_name (psym), lookup_name, NULL); |
b5ec771e PA |
518 | } |
519 | ||
40658b94 PH |
520 | /* Look in PST for a symbol in DOMAIN whose name matches NAME. Search |
521 | the global block of PST if GLOBAL, and otherwise the static block. | |
522 | MATCH is the comparison operation that returns true iff MATCH (s, | |
523 | NAME), where s is a SYMBOL_SEARCH_NAME. If ORDERED_COMPARE is | |
524 | non-null, the symbols in the block are assumed to be ordered | |
525 | according to it (allowing binary search). It must be compatible | |
526 | with MATCH. Returns the symbol, if found, and otherwise NULL. */ | |
527 | ||
528 | static struct partial_symbol * | |
5c80ed9d TT |
529 | match_partial_symbol (struct objfile *objfile, |
530 | struct partial_symtab *pst, int global, | |
40658b94 | 531 | const char *name, domain_enum domain, |
b5ec771e | 532 | symbol_name_match_type match_type, |
2edb89d3 | 533 | symbol_compare_ftype *ordered_compare) |
40658b94 PH |
534 | { |
535 | struct partial_symbol **start, **psym; | |
536 | struct partial_symbol **top, **real_top, **bottom, **center; | |
537 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
538 | int do_linear_search = 1; | |
539 | ||
540 | if (length == 0) | |
b5ec771e PA |
541 | return NULL; |
542 | ||
543 | lookup_name_info lookup_name (name, match_type); | |
544 | ||
40658b94 | 545 | start = (global ? |
af5bf4ad SM |
546 | &objfile->global_psymbols[pst->globals_offset] : |
547 | &objfile->static_psymbols[pst->statics_offset]); | |
40658b94 PH |
548 | |
549 | if (global && ordered_compare) /* Can use a binary search. */ | |
550 | { | |
551 | do_linear_search = 0; | |
552 | ||
553 | /* Binary search. This search is guaranteed to end with center | |
554 | pointing at the earliest partial symbol whose name might be | |
555 | correct. At that point *all* partial symbols with an | |
556 | appropriate name will be checked against the correct | |
557 | domain. */ | |
558 | ||
559 | bottom = start; | |
560 | top = start + length - 1; | |
561 | real_top = top; | |
562 | while (top > bottom) | |
563 | { | |
564 | center = bottom + (top - bottom) / 2; | |
565 | gdb_assert (center < top); | |
b5ec771e | 566 | |
8a6d4234 | 567 | enum language lang = (*center)->language; |
b5ec771e PA |
568 | const char *lang_ln |
569 | = lookup_name.language_lookup_name (lang).c_str (); | |
570 | ||
8a6d4234 | 571 | if (ordered_compare (symbol_search_name (*center), lang_ln) >= 0) |
40658b94 PH |
572 | top = center; |
573 | else | |
574 | bottom = center + 1; | |
575 | } | |
576 | gdb_assert (top == bottom); | |
577 | ||
578 | while (top <= real_top | |
b5ec771e | 579 | && psymbol_name_matches (*top, lookup_name)) |
40658b94 | 580 | { |
8a6d4234 TT |
581 | if (symbol_matches_domain ((*top)->language, |
582 | (*top)->domain, domain)) | |
40658b94 PH |
583 | return *top; |
584 | top++; | |
585 | } | |
586 | } | |
587 | ||
588 | /* Can't use a binary search or else we found during the binary search that | |
589 | we should also do a linear search. */ | |
590 | ||
591 | if (do_linear_search) | |
592 | { | |
593 | for (psym = start; psym < start + length; psym++) | |
594 | { | |
8a6d4234 TT |
595 | if (symbol_matches_domain ((*psym)->language, |
596 | (*psym)->domain, domain) | |
b5ec771e | 597 | && psymbol_name_matches (*psym, lookup_name)) |
40658b94 PH |
598 | return *psym; |
599 | } | |
600 | } | |
601 | ||
602 | return NULL; | |
603 | } | |
604 | ||
c00f8484 KS |
605 | /* Returns the name used to search psymtabs. Unlike symtabs, psymtabs do |
606 | not contain any method/function instance information (since this would | |
607 | force reading type information while reading psymtabs). Therefore, | |
608 | if NAME contains overload information, it must be stripped before searching | |
109483d9 | 609 | psymtabs. */ |
c00f8484 | 610 | |
56f37645 | 611 | static gdb::unique_xmalloc_ptr<char> |
c00f8484 KS |
612 | psymtab_search_name (const char *name) |
613 | { | |
614 | switch (current_language->la_language) | |
615 | { | |
616 | case language_cplus: | |
c00f8484 | 617 | { |
b2a919a8 DE |
618 | if (strchr (name, '(')) |
619 | { | |
109483d9 | 620 | gdb::unique_xmalloc_ptr<char> ret = cp_remove_params (name); |
c00f8484 | 621 | |
b2a919a8 | 622 | if (ret) |
109483d9 | 623 | return ret; |
b2a919a8 | 624 | } |
c00f8484 KS |
625 | } |
626 | break; | |
627 | ||
628 | default: | |
629 | break; | |
630 | } | |
631 | ||
56f37645 | 632 | return gdb::unique_xmalloc_ptr<char> (xstrdup (name)); |
c00f8484 KS |
633 | } |
634 | ||
ccefe4c4 | 635 | /* Look, in partial_symtab PST, for symbol whose natural name is NAME. |
40658b94 | 636 | Check the global symbols if GLOBAL, the static symbols if not. */ |
ccefe4c4 | 637 | |
18430289 | 638 | static struct partial_symbol * |
5c80ed9d TT |
639 | lookup_partial_symbol (struct objfile *objfile, |
640 | struct partial_symtab *pst, const char *name, | |
ccefe4c4 TT |
641 | int global, domain_enum domain) |
642 | { | |
ccefe4c4 TT |
643 | struct partial_symbol **start, **psym; |
644 | struct partial_symbol **top, **real_top, **bottom, **center; | |
645 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
646 | int do_linear_search = 1; | |
647 | ||
648 | if (length == 0) | |
95cf5869 | 649 | return NULL; |
c00f8484 | 650 | |
56f37645 | 651 | gdb::unique_xmalloc_ptr<char> search_name = psymtab_search_name (name); |
b5ec771e PA |
652 | |
653 | lookup_name_info lookup_name (search_name.get (), symbol_name_match_type::FULL); | |
654 | ||
ccefe4c4 | 655 | start = (global ? |
af5bf4ad SM |
656 | &objfile->global_psymbols[pst->globals_offset] : |
657 | &objfile->static_psymbols[pst->statics_offset]); | |
ccefe4c4 | 658 | |
0df8b418 | 659 | if (global) /* This means we can use a binary search. */ |
ccefe4c4 TT |
660 | { |
661 | do_linear_search = 0; | |
662 | ||
663 | /* Binary search. This search is guaranteed to end with center | |
664 | pointing at the earliest partial symbol whose name might be | |
665 | correct. At that point *all* partial symbols with an | |
666 | appropriate name will be checked against the correct | |
667 | domain. */ | |
668 | ||
669 | bottom = start; | |
670 | top = start + length - 1; | |
671 | real_top = top; | |
672 | while (top > bottom) | |
673 | { | |
674 | center = bottom + (top - bottom) / 2; | |
675 | if (!(center < top)) | |
3e43a32a MS |
676 | internal_error (__FILE__, __LINE__, |
677 | _("failed internal consistency check")); | |
8a6d4234 | 678 | if (strcmp_iw_ordered (symbol_search_name (*center), |
56f37645 | 679 | search_name.get ()) >= 0) |
ccefe4c4 TT |
680 | { |
681 | top = center; | |
682 | } | |
683 | else | |
684 | { | |
685 | bottom = center + 1; | |
686 | } | |
687 | } | |
688 | if (!(top == bottom)) | |
3e43a32a MS |
689 | internal_error (__FILE__, __LINE__, |
690 | _("failed internal consistency check")); | |
ccefe4c4 | 691 | |
559a7a62 JK |
692 | /* For `case_sensitivity == case_sensitive_off' strcmp_iw_ordered will |
693 | search more exactly than what matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
8a6d4234 | 694 | while (top >= start && symbol_matches_search_name (*top, lookup_name)) |
559a7a62 JK |
695 | top--; |
696 | ||
697 | /* Fixup to have a symbol which matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
698 | top++; | |
699 | ||
8a6d4234 | 700 | while (top <= real_top && symbol_matches_search_name (*top, lookup_name)) |
ccefe4c4 | 701 | { |
8a6d4234 TT |
702 | if (symbol_matches_domain ((*top)->language, |
703 | (*top)->domain, domain)) | |
56f37645 | 704 | return *top; |
ccefe4c4 TT |
705 | top++; |
706 | } | |
707 | } | |
708 | ||
709 | /* Can't use a binary search or else we found during the binary search that | |
40658b94 | 710 | we should also do a linear search. */ |
ccefe4c4 TT |
711 | |
712 | if (do_linear_search) | |
713 | { | |
714 | for (psym = start; psym < start + length; psym++) | |
715 | { | |
8a6d4234 TT |
716 | if (symbol_matches_domain ((*psym)->language, |
717 | (*psym)->domain, domain) | |
718 | && symbol_matches_search_name (*psym, lookup_name)) | |
56f37645 | 719 | return *psym; |
ccefe4c4 TT |
720 | } |
721 | } | |
722 | ||
95cf5869 | 723 | return NULL; |
ccefe4c4 TT |
724 | } |
725 | ||
726 | /* Get the symbol table that corresponds to a partial_symtab. | |
f194fefb DE |
727 | This is fast after the first time you do it. |
728 | The result will be NULL if the primary symtab has no symbols, | |
729 | which can happen. Otherwise the result is the primary symtab | |
730 | that contains PST. */ | |
ccefe4c4 | 731 | |
43f3e411 | 732 | static struct compunit_symtab * |
5c80ed9d | 733 | psymtab_to_symtab (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 734 | { |
9439a077 TT |
735 | /* If it is a shared psymtab, find an unshared psymtab that includes |
736 | it. Any such psymtab will do. */ | |
737 | while (pst->user != NULL) | |
738 | pst = pst->user; | |
739 | ||
0df8b418 | 740 | /* If it's been looked up before, return it. */ |
43f3e411 DE |
741 | if (pst->compunit_symtab) |
742 | return pst->compunit_symtab; | |
ccefe4c4 TT |
743 | |
744 | /* If it has not yet been read in, read it. */ | |
745 | if (!pst->readin) | |
746 | { | |
c83dd867 | 747 | scoped_restore decrementer = increment_reading_symtab (); |
ad3bbd48 | 748 | |
257e7a09 | 749 | (*pst->read_symtab) (pst, objfile); |
ccefe4c4 TT |
750 | } |
751 | ||
43f3e411 | 752 | return pst->compunit_symtab; |
ccefe4c4 TT |
753 | } |
754 | ||
95cf5869 DE |
755 | /* Psymtab version of find_last_source_symtab. See its definition in |
756 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 757 | |
ccefe4c4 | 758 | static struct symtab * |
83827540 | 759 | psym_find_last_source_symtab (struct objfile *ofp) |
ccefe4c4 | 760 | { |
ccefe4c4 | 761 | struct partial_symtab *ps; |
95cf5869 | 762 | struct partial_symtab *cs_pst = NULL; |
ccefe4c4 | 763 | |
b11896a5 | 764 | ALL_OBJFILE_PSYMTABS_REQUIRED (ofp, ps) |
ccefe4c4 TT |
765 | { |
766 | const char *name = ps->filename; | |
767 | int len = strlen (name); | |
ad3bbd48 | 768 | |
ccefe4c4 TT |
769 | if (!(len > 2 && (strcmp (&name[len - 2], ".h") == 0 |
770 | || strcmp (name, "<<C++-namespaces>>") == 0))) | |
771 | cs_pst = ps; | |
772 | } | |
773 | ||
774 | if (cs_pst) | |
775 | { | |
776 | if (cs_pst->readin) | |
777 | { | |
778 | internal_error (__FILE__, __LINE__, | |
779 | _("select_source_symtab: " | |
780 | "readin pst found and no symtabs.")); | |
781 | } | |
782 | else | |
43f3e411 DE |
783 | { |
784 | struct compunit_symtab *cust = psymtab_to_symtab (ofp, cs_pst); | |
785 | ||
786 | if (cust == NULL) | |
787 | return NULL; | |
788 | return compunit_primary_filetab (cust); | |
789 | } | |
ccefe4c4 TT |
790 | } |
791 | return NULL; | |
792 | } | |
793 | ||
95cf5869 DE |
794 | /* Psymtab version of forget_cached_source_info. See its definition in |
795 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 796 | |
ccefe4c4 | 797 | static void |
83827540 | 798 | psym_forget_cached_source_info (struct objfile *objfile) |
ccefe4c4 TT |
799 | { |
800 | struct partial_symtab *pst; | |
801 | ||
b11896a5 | 802 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
ccefe4c4 TT |
803 | { |
804 | if (pst->fullname != NULL) | |
805 | { | |
806 | xfree (pst->fullname); | |
807 | pst->fullname = NULL; | |
808 | } | |
809 | } | |
810 | } | |
811 | ||
812 | static void | |
02e9e7f7 | 813 | print_partial_symbols (struct gdbarch *gdbarch, struct objfile *objfile, |
a121b7c1 | 814 | struct partial_symbol **p, int count, const char *what, |
ccefe4c4 TT |
815 | struct ui_file *outfile) |
816 | { | |
817 | fprintf_filtered (outfile, " %s partial symbols:\n", what); | |
818 | while (count-- > 0) | |
819 | { | |
27618ce4 | 820 | QUIT; |
8a6d4234 TT |
821 | fprintf_filtered (outfile, " `%s'", (*p)->name); |
822 | if (symbol_demangled_name (*p) != NULL) | |
ccefe4c4 | 823 | { |
8a6d4234 | 824 | fprintf_filtered (outfile, " `%s'", symbol_demangled_name (*p)); |
ccefe4c4 TT |
825 | } |
826 | fputs_filtered (", ", outfile); | |
8a6d4234 | 827 | switch ((*p)->domain) |
ccefe4c4 TT |
828 | { |
829 | case UNDEF_DOMAIN: | |
830 | fputs_filtered ("undefined domain, ", outfile); | |
831 | break; | |
832 | case VAR_DOMAIN: | |
0df8b418 | 833 | /* This is the usual thing -- don't print it. */ |
ccefe4c4 TT |
834 | break; |
835 | case STRUCT_DOMAIN: | |
836 | fputs_filtered ("struct domain, ", outfile); | |
837 | break; | |
838 | case LABEL_DOMAIN: | |
839 | fputs_filtered ("label domain, ", outfile); | |
840 | break; | |
841 | default: | |
842 | fputs_filtered ("<invalid domain>, ", outfile); | |
843 | break; | |
844 | } | |
8a6d4234 | 845 | switch ((*p)->aclass) |
ccefe4c4 TT |
846 | { |
847 | case LOC_UNDEF: | |
848 | fputs_filtered ("undefined", outfile); | |
849 | break; | |
850 | case LOC_CONST: | |
851 | fputs_filtered ("constant int", outfile); | |
852 | break; | |
853 | case LOC_STATIC: | |
854 | fputs_filtered ("static", outfile); | |
855 | break; | |
856 | case LOC_REGISTER: | |
857 | fputs_filtered ("register", outfile); | |
858 | break; | |
859 | case LOC_ARG: | |
860 | fputs_filtered ("pass by value", outfile); | |
861 | break; | |
862 | case LOC_REF_ARG: | |
863 | fputs_filtered ("pass by reference", outfile); | |
864 | break; | |
865 | case LOC_REGPARM_ADDR: | |
866 | fputs_filtered ("register address parameter", outfile); | |
867 | break; | |
868 | case LOC_LOCAL: | |
869 | fputs_filtered ("stack parameter", outfile); | |
870 | break; | |
871 | case LOC_TYPEDEF: | |
872 | fputs_filtered ("type", outfile); | |
873 | break; | |
874 | case LOC_LABEL: | |
875 | fputs_filtered ("label", outfile); | |
876 | break; | |
877 | case LOC_BLOCK: | |
878 | fputs_filtered ("function", outfile); | |
879 | break; | |
880 | case LOC_CONST_BYTES: | |
881 | fputs_filtered ("constant bytes", outfile); | |
882 | break; | |
883 | case LOC_UNRESOLVED: | |
884 | fputs_filtered ("unresolved", outfile); | |
885 | break; | |
886 | case LOC_OPTIMIZED_OUT: | |
887 | fputs_filtered ("optimized out", outfile); | |
888 | break; | |
889 | case LOC_COMPUTED: | |
890 | fputs_filtered ("computed at runtime", outfile); | |
891 | break; | |
892 | default: | |
893 | fputs_filtered ("<invalid location>", outfile); | |
894 | break; | |
895 | } | |
896 | fputs_filtered (", ", outfile); | |
02e9e7f7 | 897 | fputs_filtered (paddress (gdbarch, (*p)->unrelocated_address ()), outfile); |
ccefe4c4 TT |
898 | fprintf_filtered (outfile, "\n"); |
899 | p++; | |
900 | } | |
901 | } | |
902 | ||
903 | static void | |
904 | dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab, | |
905 | struct ui_file *outfile) | |
906 | { | |
907 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
908 | int i; | |
909 | ||
b4c41fc7 DE |
910 | if (psymtab->anonymous) |
911 | { | |
912 | fprintf_filtered (outfile, "\nAnonymous partial symtab (%s) ", | |
913 | psymtab->filename); | |
914 | } | |
915 | else | |
916 | { | |
917 | fprintf_filtered (outfile, "\nPartial symtab for source file %s ", | |
918 | psymtab->filename); | |
919 | } | |
ccefe4c4 TT |
920 | fprintf_filtered (outfile, "(object "); |
921 | gdb_print_host_address (psymtab, outfile); | |
922 | fprintf_filtered (outfile, ")\n\n"); | |
22068491 TT |
923 | fprintf_filtered (outfile, " Read from object file %s (", |
924 | objfile_name (objfile)); | |
ccefe4c4 | 925 | gdb_print_host_address (objfile, outfile); |
22068491 | 926 | fprintf_filtered (outfile, ")\n"); |
ccefe4c4 TT |
927 | |
928 | if (psymtab->readin) | |
929 | { | |
930 | fprintf_filtered (outfile, | |
931 | " Full symtab was read (at "); | |
43f3e411 | 932 | gdb_print_host_address (psymtab->compunit_symtab, outfile); |
ccefe4c4 TT |
933 | fprintf_filtered (outfile, " by function at "); |
934 | gdb_print_host_address (psymtab->read_symtab, outfile); | |
935 | fprintf_filtered (outfile, ")\n"); | |
936 | } | |
937 | ||
ccefe4c4 | 938 | fprintf_filtered (outfile, " Symbols cover text addresses "); |
79748972 | 939 | fputs_filtered (paddress (gdbarch, psymtab->text_low (objfile)), outfile); |
ccefe4c4 | 940 | fprintf_filtered (outfile, "-"); |
79748972 | 941 | fputs_filtered (paddress (gdbarch, psymtab->text_high (objfile)), outfile); |
ccefe4c4 | 942 | fprintf_filtered (outfile, "\n"); |
9750bca9 JK |
943 | fprintf_filtered (outfile, " Address map supported - %s.\n", |
944 | psymtab->psymtabs_addrmap_supported ? "yes" : "no"); | |
ccefe4c4 TT |
945 | fprintf_filtered (outfile, " Depends on %d other partial symtabs.\n", |
946 | psymtab->number_of_dependencies); | |
947 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
948 | { | |
949 | fprintf_filtered (outfile, " %d ", i); | |
950 | gdb_print_host_address (psymtab->dependencies[i], outfile); | |
951 | fprintf_filtered (outfile, " %s\n", | |
952 | psymtab->dependencies[i]->filename); | |
953 | } | |
9439a077 TT |
954 | if (psymtab->user != NULL) |
955 | { | |
956 | fprintf_filtered (outfile, " Shared partial symtab with user "); | |
957 | gdb_print_host_address (psymtab->user, outfile); | |
958 | fprintf_filtered (outfile, "\n"); | |
959 | } | |
ccefe4c4 TT |
960 | if (psymtab->n_global_syms > 0) |
961 | { | |
02e9e7f7 | 962 | print_partial_symbols (gdbarch, objfile, |
af5bf4ad | 963 | &objfile->global_psymbols[psymtab->globals_offset], |
ccefe4c4 TT |
964 | psymtab->n_global_syms, "Global", outfile); |
965 | } | |
966 | if (psymtab->n_static_syms > 0) | |
967 | { | |
02e9e7f7 | 968 | print_partial_symbols (gdbarch, objfile, |
af5bf4ad | 969 | &objfile->static_psymbols[psymtab->statics_offset], |
ccefe4c4 TT |
970 | psymtab->n_static_syms, "Static", outfile); |
971 | } | |
972 | fprintf_filtered (outfile, "\n"); | |
973 | } | |
974 | ||
95cf5869 DE |
975 | /* Psymtab version of print_stats. See its definition in |
976 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 977 | |
ccefe4c4 | 978 | static void |
83827540 | 979 | psym_print_stats (struct objfile *objfile) |
ccefe4c4 TT |
980 | { |
981 | int i; | |
982 | struct partial_symtab *ps; | |
ad3bbd48 | 983 | |
ccefe4c4 | 984 | i = 0; |
b11896a5 | 985 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
986 | { |
987 | if (ps->readin == 0) | |
988 | i++; | |
989 | } | |
990 | printf_filtered (_(" Number of psym tables (not yet expanded): %d\n"), i); | |
991 | } | |
992 | ||
95cf5869 DE |
993 | /* Psymtab version of dump. See its definition in |
994 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 995 | |
ccefe4c4 | 996 | static void |
83827540 | 997 | psym_dump (struct objfile *objfile) |
ccefe4c4 TT |
998 | { |
999 | struct partial_symtab *psymtab; | |
1000 | ||
1001 | if (objfile->psymtabs) | |
1002 | { | |
1003 | printf_filtered ("Psymtabs:\n"); | |
1004 | for (psymtab = objfile->psymtabs; | |
1005 | psymtab != NULL; | |
1006 | psymtab = psymtab->next) | |
1007 | { | |
1008 | printf_filtered ("%s at ", | |
1009 | psymtab->filename); | |
1010 | gdb_print_host_address (psymtab, gdb_stdout); | |
1011 | printf_filtered (", "); | |
ccefe4c4 TT |
1012 | wrap_here (" "); |
1013 | } | |
1014 | printf_filtered ("\n\n"); | |
1015 | } | |
1016 | } | |
1017 | ||
95cf5869 DE |
1018 | /* Psymtab version of expand_symtabs_for_function. See its definition in |
1019 | the definition of quick_symbol_functions in symfile.h. */ | |
ccefe4c4 TT |
1020 | |
1021 | static void | |
83827540 DE |
1022 | psym_expand_symtabs_for_function (struct objfile *objfile, |
1023 | const char *func_name) | |
ccefe4c4 TT |
1024 | { |
1025 | struct partial_symtab *ps; | |
1026 | ||
b11896a5 | 1027 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1028 | { |
1029 | if (ps->readin) | |
1030 | continue; | |
1031 | ||
5c80ed9d | 1032 | if ((lookup_partial_symbol (objfile, ps, func_name, 1, VAR_DOMAIN) |
ccefe4c4 | 1033 | != NULL) |
5c80ed9d | 1034 | || (lookup_partial_symbol (objfile, ps, func_name, 0, VAR_DOMAIN) |
ccefe4c4 | 1035 | != NULL)) |
5c80ed9d | 1036 | psymtab_to_symtab (objfile, ps); |
ccefe4c4 TT |
1037 | } |
1038 | } | |
1039 | ||
95cf5869 DE |
1040 | /* Psymtab version of expand_all_symtabs. See its definition in |
1041 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1042 | |
ccefe4c4 | 1043 | static void |
83827540 | 1044 | psym_expand_all_symtabs (struct objfile *objfile) |
ccefe4c4 TT |
1045 | { |
1046 | struct partial_symtab *psymtab; | |
1047 | ||
b11896a5 | 1048 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab) |
ccefe4c4 | 1049 | { |
5c80ed9d | 1050 | psymtab_to_symtab (objfile, psymtab); |
ccefe4c4 TT |
1051 | } |
1052 | } | |
1053 | ||
95cf5869 DE |
1054 | /* Psymtab version of expand_symtabs_with_fullname. See its definition in |
1055 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1056 | |
ccefe4c4 | 1057 | static void |
83827540 DE |
1058 | psym_expand_symtabs_with_fullname (struct objfile *objfile, |
1059 | const char *fullname) | |
ccefe4c4 TT |
1060 | { |
1061 | struct partial_symtab *p; | |
1062 | ||
b11896a5 | 1063 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) |
ccefe4c4 | 1064 | { |
b4c41fc7 DE |
1065 | /* Anonymous psymtabs don't have a name of a source file. */ |
1066 | if (p->anonymous) | |
1067 | continue; | |
1068 | ||
5ff888ce DE |
1069 | /* psymtab_to_fullname tries to open the file which is slow. |
1070 | Don't call it if we know the basenames don't match. */ | |
1071 | if ((basenames_may_differ | |
1072 | || filename_cmp (lbasename (fullname), lbasename (p->filename)) == 0) | |
1073 | && filename_cmp (fullname, psymtab_to_fullname (p)) == 0) | |
5c80ed9d | 1074 | psymtab_to_symtab (objfile, p); |
ccefe4c4 TT |
1075 | } |
1076 | } | |
1077 | ||
95cf5869 DE |
1078 | /* Psymtab version of map_symbol_filenames. See its definition in |
1079 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1080 | |
ccefe4c4 | 1081 | static void |
83827540 DE |
1082 | psym_map_symbol_filenames (struct objfile *objfile, |
1083 | symbol_filename_ftype *fun, void *data, | |
1084 | int need_fullname) | |
ccefe4c4 TT |
1085 | { |
1086 | struct partial_symtab *ps; | |
1087 | ||
b11896a5 | 1088 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1089 | { |
1090 | const char *fullname; | |
1091 | ||
1092 | if (ps->readin) | |
1093 | continue; | |
1094 | ||
f80c6f3f DE |
1095 | /* We can skip shared psymtabs here, because any file name will be |
1096 | attached to the unshared psymtab. */ | |
1097 | if (ps->user != NULL) | |
1098 | continue; | |
1099 | ||
b4c41fc7 DE |
1100 | /* Anonymous psymtabs don't have a file name. */ |
1101 | if (ps->anonymous) | |
1102 | continue; | |
1103 | ||
821296b7 | 1104 | QUIT; |
74e2f255 DE |
1105 | if (need_fullname) |
1106 | fullname = psymtab_to_fullname (ps); | |
1107 | else | |
1108 | fullname = NULL; | |
2837d59e | 1109 | (*fun) (ps->filename, fullname, data); |
ccefe4c4 TT |
1110 | } |
1111 | } | |
1112 | ||
ccefe4c4 TT |
1113 | /* Finds the fullname that a partial_symtab represents. |
1114 | ||
1115 | If this functions finds the fullname, it will save it in ps->fullname | |
1116 | and it will also return the value. | |
1117 | ||
1118 | If this function fails to find the file that this partial_symtab represents, | |
1119 | NULL will be returned and ps->fullname will be set to NULL. */ | |
256f06f3 | 1120 | |
da5132d3 | 1121 | static const char * |
ccefe4c4 TT |
1122 | psymtab_to_fullname (struct partial_symtab *ps) |
1123 | { | |
fbd9ab74 | 1124 | gdb_assert (!ps->anonymous); |
ccefe4c4 | 1125 | |
256f06f3 DE |
1126 | /* Use cached copy if we have it. |
1127 | We rely on forget_cached_source_info being called appropriately | |
1128 | to handle cases like the file being moved. */ | |
fbd9ab74 JK |
1129 | if (ps->fullname == NULL) |
1130 | { | |
e0cc99a6 | 1131 | gdb::unique_xmalloc_ptr<char> fullname; |
2179fbc3 TT |
1132 | scoped_fd fd = find_and_open_source (ps->filename, ps->dirname, |
1133 | &fullname); | |
e0cc99a6 | 1134 | ps->fullname = fullname.release (); |
256f06f3 | 1135 | |
2179fbc3 | 1136 | if (fd.get () < 0) |
fbd9ab74 | 1137 | { |
fbd9ab74 JK |
1138 | /* rewrite_source_path would be applied by find_and_open_source, we |
1139 | should report the pathname where GDB tried to find the file. */ | |
ccefe4c4 | 1140 | |
fbd9ab74 | 1141 | if (ps->dirname == NULL || IS_ABSOLUTE_PATH (ps->filename)) |
0b581c69 | 1142 | fullname.reset (xstrdup (ps->filename)); |
fbd9ab74 | 1143 | else |
0b581c69 TT |
1144 | fullname.reset (concat (ps->dirname, SLASH_STRING, |
1145 | ps->filename, (char *) NULL)); | |
fbd9ab74 | 1146 | |
0b581c69 | 1147 | ps->fullname = rewrite_source_path (fullname.get ()).release (); |
fbd9ab74 | 1148 | if (ps->fullname == NULL) |
0b581c69 | 1149 | ps->fullname = fullname.release (); |
fbd9ab74 | 1150 | } |
95cf5869 | 1151 | } |
fbd9ab74 JK |
1152 | |
1153 | return ps->fullname; | |
ccefe4c4 TT |
1154 | } |
1155 | ||
95cf5869 DE |
1156 | /* For all symbols, s, in BLOCK that are in DOMAIN and match NAME |
1157 | according to the function MATCH, call CALLBACK(BLOCK, s, DATA). | |
1158 | BLOCK is assumed to come from OBJFILE. Returns 1 iff CALLBACK | |
1159 | ever returns non-zero, and otherwise returns 0. */ | |
ccefe4c4 | 1160 | |
40658b94 | 1161 | static int |
fe978cb0 | 1162 | map_block (const char *name, domain_enum domain, struct objfile *objfile, |
40658b94 PH |
1163 | struct block *block, |
1164 | int (*callback) (struct block *, struct symbol *, void *), | |
b5ec771e | 1165 | void *data, symbol_name_match_type match) |
ccefe4c4 | 1166 | { |
8157b174 | 1167 | struct block_iterator iter; |
40658b94 | 1168 | struct symbol *sym; |
ccefe4c4 | 1169 | |
b5ec771e PA |
1170 | lookup_name_info lookup_name (name, match); |
1171 | ||
1172 | for (sym = block_iter_match_first (block, lookup_name, &iter); | |
1173 | sym != NULL; | |
1174 | sym = block_iter_match_next (lookup_name, &iter)) | |
ccefe4c4 | 1175 | { |
95cf5869 | 1176 | if (symbol_matches_domain (SYMBOL_LANGUAGE (sym), |
fe978cb0 | 1177 | SYMBOL_DOMAIN (sym), domain)) |
40658b94 PH |
1178 | { |
1179 | if (callback (block, sym, data)) | |
1180 | return 1; | |
1181 | } | |
ccefe4c4 TT |
1182 | } |
1183 | ||
40658b94 | 1184 | return 0; |
ccefe4c4 TT |
1185 | } |
1186 | ||
95cf5869 DE |
1187 | /* Psymtab version of map_matching_symbols. See its definition in |
1188 | the definition of quick_symbol_functions in symfile.h. */ | |
40658b94 | 1189 | |
ccefe4c4 | 1190 | static void |
83827540 | 1191 | psym_map_matching_symbols (struct objfile *objfile, |
fe978cb0 | 1192 | const char *name, domain_enum domain, |
83827540 DE |
1193 | int global, |
1194 | int (*callback) (struct block *, | |
1195 | struct symbol *, void *), | |
1196 | void *data, | |
b5ec771e | 1197 | symbol_name_match_type match, |
83827540 | 1198 | symbol_compare_ftype *ordered_compare) |
ccefe4c4 | 1199 | { |
40658b94 | 1200 | const int block_kind = global ? GLOBAL_BLOCK : STATIC_BLOCK; |
ccefe4c4 TT |
1201 | struct partial_symtab *ps; |
1202 | ||
b11896a5 | 1203 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1204 | { |
1205 | QUIT; | |
1206 | if (ps->readin | |
fe978cb0 | 1207 | || match_partial_symbol (objfile, ps, global, name, domain, match, |
40658b94 | 1208 | ordered_compare)) |
ccefe4c4 | 1209 | { |
43f3e411 | 1210 | struct compunit_symtab *cust = psymtab_to_symtab (objfile, ps); |
40658b94 | 1211 | struct block *block; |
ad3bbd48 | 1212 | |
43f3e411 | 1213 | if (cust == NULL) |
ccefe4c4 | 1214 | continue; |
43f3e411 | 1215 | block = BLOCKVECTOR_BLOCK (COMPUNIT_BLOCKVECTOR (cust), block_kind); |
fe978cb0 | 1216 | if (map_block (name, domain, objfile, block, |
40658b94 PH |
1217 | callback, data, match)) |
1218 | return; | |
1219 | if (callback (block, NULL, data)) | |
1220 | return; | |
ccefe4c4 TT |
1221 | } |
1222 | } | |
95cf5869 | 1223 | } |
ccefe4c4 | 1224 | |
14bc53a8 PA |
1225 | /* A helper for psym_expand_symtabs_matching that handles searching |
1226 | included psymtabs. This returns true if a symbol is found, and | |
1227 | false otherwise. It also updates the 'searched_flag' on the | |
9439a077 TT |
1228 | various psymtabs that it searches. */ |
1229 | ||
14bc53a8 PA |
1230 | static bool |
1231 | recursively_search_psymtabs | |
d2f7dcb2 JB |
1232 | (struct partial_symtab *ps, |
1233 | struct objfile *objfile, | |
1234 | enum search_domain domain, | |
b5ec771e | 1235 | const lookup_name_info &lookup_name, |
14bc53a8 | 1236 | gdb::function_view<expand_symtabs_symbol_matcher_ftype> sym_matcher) |
9439a077 | 1237 | { |
9439a077 | 1238 | int keep_going = 1; |
f486487f | 1239 | enum psymtab_search_status result = PST_SEARCHED_AND_NOT_FOUND; |
9439a077 TT |
1240 | int i; |
1241 | ||
1242 | if (ps->searched_flag != PST_NOT_SEARCHED) | |
1243 | return ps->searched_flag == PST_SEARCHED_AND_FOUND; | |
1244 | ||
1245 | /* Recurse into shared psymtabs first, because they may have already | |
1246 | been searched, and this could save some time. */ | |
1247 | for (i = 0; i < ps->number_of_dependencies; ++i) | |
1248 | { | |
1249 | int r; | |
1250 | ||
1251 | /* Skip non-shared dependencies, these are handled elsewhere. */ | |
1252 | if (ps->dependencies[i]->user == NULL) | |
1253 | continue; | |
1254 | ||
1255 | r = recursively_search_psymtabs (ps->dependencies[i], | |
b5ec771e PA |
1256 | objfile, domain, lookup_name, |
1257 | sym_matcher); | |
9439a077 TT |
1258 | if (r != 0) |
1259 | { | |
1260 | ps->searched_flag = PST_SEARCHED_AND_FOUND; | |
14bc53a8 | 1261 | return true; |
9439a077 TT |
1262 | } |
1263 | } | |
1264 | ||
af5bf4ad | 1265 | partial_symbol **gbound |
47fea877 | 1266 | = objfile->global_psymbols.data () + ps->globals_offset + ps->n_global_syms; |
af5bf4ad | 1267 | partial_symbol **sbound |
47fea877 | 1268 | = objfile->static_psymbols.data () + ps->statics_offset + ps->n_static_syms; |
af5bf4ad | 1269 | partial_symbol **bound = gbound; |
9439a077 TT |
1270 | |
1271 | /* Go through all of the symbols stored in a partial | |
1272 | symtab in one loop. */ | |
47fea877 | 1273 | partial_symbol **psym = objfile->global_psymbols.data () + ps->globals_offset; |
9439a077 TT |
1274 | while (keep_going) |
1275 | { | |
1276 | if (psym >= bound) | |
1277 | { | |
1278 | if (bound == gbound && ps->n_static_syms != 0) | |
1279 | { | |
47fea877 | 1280 | psym = objfile->static_psymbols.data () + ps->statics_offset; |
9439a077 TT |
1281 | bound = sbound; |
1282 | } | |
1283 | else | |
1284 | keep_going = 0; | |
1285 | continue; | |
1286 | } | |
1287 | else | |
1288 | { | |
1289 | QUIT; | |
1290 | ||
b5ec771e PA |
1291 | if ((domain == ALL_DOMAIN |
1292 | || (domain == VARIABLES_DOMAIN | |
8a6d4234 TT |
1293 | && (*psym)->aclass != LOC_TYPEDEF |
1294 | && (*psym)->aclass != LOC_BLOCK) | |
b5ec771e | 1295 | || (domain == FUNCTIONS_DOMAIN |
8a6d4234 | 1296 | && (*psym)->aclass == LOC_BLOCK) |
b5ec771e | 1297 | || (domain == TYPES_DOMAIN |
8a6d4234 | 1298 | && (*psym)->aclass == LOC_TYPEDEF)) |
b5ec771e | 1299 | && psymbol_name_matches (*psym, lookup_name) |
8a6d4234 | 1300 | && (sym_matcher == NULL || sym_matcher (symbol_search_name (*psym)))) |
9439a077 TT |
1301 | { |
1302 | /* Found a match, so notify our caller. */ | |
1303 | result = PST_SEARCHED_AND_FOUND; | |
1304 | keep_going = 0; | |
1305 | } | |
1306 | } | |
1307 | psym++; | |
1308 | } | |
1309 | ||
1310 | ps->searched_flag = result; | |
1311 | return result == PST_SEARCHED_AND_FOUND; | |
1312 | } | |
1313 | ||
95cf5869 DE |
1314 | /* Psymtab version of expand_symtabs_matching. See its definition in |
1315 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1316 | |
ccefe4c4 | 1317 | static void |
83827540 | 1318 | psym_expand_symtabs_matching |
f8eba3c6 | 1319 | (struct objfile *objfile, |
14bc53a8 | 1320 | gdb::function_view<expand_symtabs_file_matcher_ftype> file_matcher, |
c62446b1 | 1321 | const lookup_name_info &lookup_name_in, |
14bc53a8 PA |
1322 | gdb::function_view<expand_symtabs_symbol_matcher_ftype> symbol_matcher, |
1323 | gdb::function_view<expand_symtabs_exp_notify_ftype> expansion_notify, | |
b5ec771e | 1324 | enum search_domain domain) |
ccefe4c4 TT |
1325 | { |
1326 | struct partial_symtab *ps; | |
1327 | ||
c62446b1 PA |
1328 | lookup_name_info lookup_name = lookup_name_in.make_ignore_params (); |
1329 | ||
9439a077 | 1330 | /* Clear the search flags. */ |
b11896a5 | 1331 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 | 1332 | { |
9439a077 TT |
1333 | ps->searched_flag = PST_NOT_SEARCHED; |
1334 | } | |
ccefe4c4 | 1335 | |
9439a077 TT |
1336 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
1337 | { | |
30b3dd9d DE |
1338 | QUIT; |
1339 | ||
ccefe4c4 TT |
1340 | if (ps->readin) |
1341 | continue; | |
1342 | ||
9439a077 TT |
1343 | /* We skip shared psymtabs because file-matching doesn't apply |
1344 | to them; but we search them later in the loop. */ | |
1345 | if (ps->user != NULL) | |
ccefe4c4 TT |
1346 | continue; |
1347 | ||
b4c41fc7 DE |
1348 | if (file_matcher) |
1349 | { | |
14bc53a8 | 1350 | bool match; |
680d1742 | 1351 | |
b4c41fc7 DE |
1352 | if (ps->anonymous) |
1353 | continue; | |
fbd9ab74 | 1354 | |
14bc53a8 | 1355 | match = file_matcher (ps->filename, false); |
680d1742 DE |
1356 | if (!match) |
1357 | { | |
1358 | /* Before we invoke realpath, which can get expensive when many | |
1359 | files are involved, do a quick comparison of the basenames. */ | |
1360 | if (basenames_may_differ | |
14bc53a8 PA |
1361 | || file_matcher (lbasename (ps->filename), true)) |
1362 | match = file_matcher (psymtab_to_fullname (ps), false); | |
680d1742 DE |
1363 | } |
1364 | if (!match) | |
b4c41fc7 DE |
1365 | continue; |
1366 | } | |
ccefe4c4 | 1367 | |
b5ec771e PA |
1368 | if (recursively_search_psymtabs (ps, objfile, domain, |
1369 | lookup_name, symbol_matcher)) | |
276d885b GB |
1370 | { |
1371 | struct compunit_symtab *symtab = | |
1372 | psymtab_to_symtab (objfile, ps); | |
1373 | ||
1374 | if (expansion_notify != NULL) | |
14bc53a8 | 1375 | expansion_notify (symtab); |
276d885b | 1376 | } |
ccefe4c4 TT |
1377 | } |
1378 | } | |
1379 | ||
95cf5869 DE |
1380 | /* Psymtab version of has_symbols. See its definition in |
1381 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1382 | |
ccefe4c4 | 1383 | static int |
83827540 | 1384 | psym_has_symbols (struct objfile *objfile) |
ccefe4c4 TT |
1385 | { |
1386 | return objfile->psymtabs != NULL; | |
1387 | } | |
1388 | ||
71a3c369 TT |
1389 | /* Helper function for psym_find_compunit_symtab_by_address that fills |
1390 | in psymbol_map for a given range of psymbols. */ | |
1391 | ||
1392 | static void | |
1393 | psym_fill_psymbol_map (struct objfile *objfile, | |
1394 | struct partial_symtab *psymtab, | |
1395 | std::set<CORE_ADDR> *seen_addrs, | |
1396 | const std::vector<partial_symbol *> &symbols, | |
1397 | int start, | |
1398 | int length) | |
1399 | { | |
1400 | for (int i = 0; i < length; ++i) | |
1401 | { | |
1402 | struct partial_symbol *psym = symbols[start + i]; | |
1403 | ||
8a6d4234 | 1404 | if (psym->aclass == LOC_STATIC) |
71a3c369 | 1405 | { |
02e9e7f7 | 1406 | CORE_ADDR addr = psym->address (objfile); |
71a3c369 TT |
1407 | if (seen_addrs->find (addr) == seen_addrs->end ()) |
1408 | { | |
1409 | seen_addrs->insert (addr); | |
1410 | objfile->psymbol_map.emplace_back (addr, psymtab); | |
1411 | } | |
1412 | } | |
1413 | } | |
1414 | } | |
1415 | ||
1416 | /* See find_compunit_symtab_by_address in quick_symbol_functions, in | |
1417 | symfile.h. */ | |
1418 | ||
1419 | static compunit_symtab * | |
1420 | psym_find_compunit_symtab_by_address (struct objfile *objfile, | |
1421 | CORE_ADDR address) | |
1422 | { | |
1423 | if (objfile->psymbol_map.empty ()) | |
1424 | { | |
1425 | struct partial_symtab *pst; | |
1426 | ||
1427 | std::set<CORE_ADDR> seen_addrs; | |
1428 | ||
1429 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) | |
1430 | { | |
1431 | psym_fill_psymbol_map (objfile, pst, | |
1432 | &seen_addrs, | |
1433 | objfile->global_psymbols, | |
1434 | pst->globals_offset, | |
1435 | pst->n_global_syms); | |
1436 | psym_fill_psymbol_map (objfile, pst, | |
1437 | &seen_addrs, | |
1438 | objfile->static_psymbols, | |
1439 | pst->statics_offset, | |
1440 | pst->n_static_syms); | |
1441 | } | |
1442 | ||
1443 | objfile->psymbol_map.shrink_to_fit (); | |
1444 | ||
1445 | std::sort (objfile->psymbol_map.begin (), objfile->psymbol_map.end (), | |
1446 | [] (const std::pair<CORE_ADDR, partial_symtab *> &a, | |
1447 | const std::pair<CORE_ADDR, partial_symtab *> &b) | |
1448 | { | |
1449 | return a.first < b.first; | |
1450 | }); | |
1451 | } | |
1452 | ||
1453 | auto iter = std::lower_bound | |
1454 | (objfile->psymbol_map.begin (), objfile->psymbol_map.end (), address, | |
1455 | [] (const std::pair<CORE_ADDR, partial_symtab *> &a, | |
1456 | CORE_ADDR b) | |
1457 | { | |
1458 | return a.first < b; | |
1459 | }); | |
1460 | ||
1461 | if (iter == objfile->psymbol_map.end () || iter->first != address) | |
1462 | return NULL; | |
1463 | ||
1464 | return psymtab_to_symtab (objfile, iter->second); | |
1465 | } | |
1466 | ||
ccefe4c4 TT |
1467 | const struct quick_symbol_functions psym_functions = |
1468 | { | |
83827540 DE |
1469 | psym_has_symbols, |
1470 | psym_find_last_source_symtab, | |
1471 | psym_forget_cached_source_info, | |
1472 | psym_map_symtabs_matching_filename, | |
1473 | psym_lookup_symbol, | |
1474 | psym_print_stats, | |
1475 | psym_dump, | |
83827540 DE |
1476 | psym_expand_symtabs_for_function, |
1477 | psym_expand_all_symtabs, | |
1478 | psym_expand_symtabs_with_fullname, | |
1479 | psym_map_matching_symbols, | |
1480 | psym_expand_symtabs_matching, | |
1481 | psym_find_pc_sect_compunit_symtab, | |
71a3c369 | 1482 | psym_find_compunit_symtab_by_address, |
83827540 | 1483 | psym_map_symbol_filenames |
ccefe4c4 TT |
1484 | }; |
1485 | ||
1486 | \f | |
1487 | ||
8763cede | 1488 | static void |
5c80ed9d | 1489 | sort_pst_symbols (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 1490 | { |
0df8b418 | 1491 | /* Sort the global list; don't sort the static list. */ |
af5bf4ad SM |
1492 | auto begin = objfile->global_psymbols.begin (); |
1493 | std::advance (begin, pst->globals_offset); | |
1494 | ||
1495 | /* The psymbols for this partial_symtab are currently at the end of the | |
1496 | vector. */ | |
1497 | auto end = objfile->global_psymbols.end (); | |
ccefe4c4 | 1498 | |
af5bf4ad SM |
1499 | std::sort (begin, end, [] (partial_symbol *s1, partial_symbol *s2) |
1500 | { | |
8a6d4234 TT |
1501 | return strcmp_iw_ordered (symbol_search_name (s1), |
1502 | symbol_search_name (s2)) < 0; | |
af5bf4ad | 1503 | }); |
ccefe4c4 TT |
1504 | } |
1505 | ||
1506 | /* Allocate and partially fill a partial symtab. It will be | |
1507 | completely filled at the end of the symbol list. | |
1508 | ||
0df8b418 | 1509 | FILENAME is the name of the symbol-file we are reading from. */ |
ccefe4c4 TT |
1510 | |
1511 | struct partial_symtab * | |
1512 | start_psymtab_common (struct objfile *objfile, | |
ccefe4c4 | 1513 | const char *filename, |
af5bf4ad SM |
1514 | CORE_ADDR textlow, |
1515 | std::vector<partial_symbol *> &global_psymbols, | |
1516 | std::vector<partial_symbol *> &static_psymbols) | |
ccefe4c4 TT |
1517 | { |
1518 | struct partial_symtab *psymtab; | |
1519 | ||
1520 | psymtab = allocate_psymtab (filename, objfile); | |
4ae976d1 | 1521 | psymtab->set_text_low (textlow); |
79748972 | 1522 | psymtab->set_text_high (psymtab->raw_text_low ()); /* default */ |
af5bf4ad SM |
1523 | psymtab->globals_offset = global_psymbols.size (); |
1524 | psymtab->statics_offset = static_psymbols.size (); | |
95cf5869 | 1525 | return psymtab; |
ccefe4c4 TT |
1526 | } |
1527 | ||
8763cede DE |
1528 | /* Perform "finishing up" operations of a partial symtab. */ |
1529 | ||
1530 | void | |
1531 | end_psymtab_common (struct objfile *objfile, struct partial_symtab *pst) | |
1532 | { | |
af5bf4ad SM |
1533 | pst->n_global_syms = objfile->global_psymbols.size () - pst->globals_offset; |
1534 | pst->n_static_syms = objfile->static_psymbols.size () - pst->statics_offset; | |
8763cede DE |
1535 | |
1536 | sort_pst_symbols (objfile, pst); | |
1537 | } | |
1538 | ||
cbd70537 SW |
1539 | /* Calculate a hash code for the given partial symbol. The hash is |
1540 | calculated using the symbol's value, language, domain, class | |
0df8b418 | 1541 | and name. These are the values which are set by |
cbd70537 SW |
1542 | add_psymbol_to_bcache. */ |
1543 | ||
710e1a31 | 1544 | static unsigned long |
cbd70537 SW |
1545 | psymbol_hash (const void *addr, int length) |
1546 | { | |
1547 | unsigned long h = 0; | |
1548 | struct partial_symbol *psymbol = (struct partial_symbol *) addr; | |
8a6d4234 TT |
1549 | unsigned int lang = psymbol->language; |
1550 | unsigned int domain = psymbol->domain; | |
1551 | unsigned int theclass = psymbol->aclass; | |
cbd70537 | 1552 | |
8a6d4234 | 1553 | h = hash_continue (&psymbol->value, sizeof (psymbol->value), h); |
cbd70537 SW |
1554 | h = hash_continue (&lang, sizeof (unsigned int), h); |
1555 | h = hash_continue (&domain, sizeof (unsigned int), h); | |
fe978cb0 | 1556 | h = hash_continue (&theclass, sizeof (unsigned int), h); |
e793c052 TT |
1557 | /* Note that psymbol names are interned via symbol_set_names, so |
1558 | there's no need to hash the contents of the name here. */ | |
8a6d4234 TT |
1559 | h = hash_continue (&psymbol->name, |
1560 | sizeof (psymbol->name), h); | |
cbd70537 SW |
1561 | |
1562 | return h; | |
1563 | } | |
1564 | ||
1565 | /* Returns true if the symbol at addr1 equals the symbol at addr2. | |
1566 | For the comparison this function uses a symbols value, | |
1567 | language, domain, class and name. */ | |
1568 | ||
710e1a31 | 1569 | static int |
cbd70537 SW |
1570 | psymbol_compare (const void *addr1, const void *addr2, int length) |
1571 | { | |
1572 | struct partial_symbol *sym1 = (struct partial_symbol *) addr1; | |
1573 | struct partial_symbol *sym2 = (struct partial_symbol *) addr2; | |
1574 | ||
8a6d4234 TT |
1575 | return (memcmp (&sym1->value, &sym2->value, |
1576 | sizeof (sym1->value)) == 0 | |
1577 | && sym1->language == sym2->language | |
1578 | && sym1->domain == sym2->domain | |
1579 | && sym1->aclass == sym2->aclass | |
e793c052 TT |
1580 | /* Note that psymbol names are interned via |
1581 | symbol_set_names, so there's no need to compare the | |
1582 | contents of the name here. */ | |
8a6d4234 | 1583 | && sym1->name == sym2->name); |
cbd70537 SW |
1584 | } |
1585 | ||
710e1a31 SW |
1586 | /* Initialize a partial symbol bcache. */ |
1587 | ||
1588 | struct psymbol_bcache * | |
1589 | psymbol_bcache_init (void) | |
1590 | { | |
fc270c35 | 1591 | struct psymbol_bcache *bcache = XCNEW (struct psymbol_bcache); |
95cf5869 | 1592 | |
710e1a31 SW |
1593 | bcache->bcache = bcache_xmalloc (psymbol_hash, psymbol_compare); |
1594 | return bcache; | |
1595 | } | |
1596 | ||
1597 | /* Free a partial symbol bcache. */ | |
95cf5869 | 1598 | |
710e1a31 SW |
1599 | void |
1600 | psymbol_bcache_free (struct psymbol_bcache *bcache) | |
1601 | { | |
1602 | if (bcache == NULL) | |
1603 | return; | |
1604 | ||
1605 | bcache_xfree (bcache->bcache); | |
1606 | xfree (bcache); | |
1607 | } | |
1608 | ||
0df8b418 | 1609 | /* Return the internal bcache of the psymbol_bcache BCACHE. */ |
710e1a31 SW |
1610 | |
1611 | struct bcache * | |
1612 | psymbol_bcache_get_bcache (struct psymbol_bcache *bcache) | |
1613 | { | |
1614 | return bcache->bcache; | |
1615 | } | |
1616 | ||
1617 | /* Find a copy of the SYM in BCACHE. If BCACHE has never seen this | |
1618 | symbol before, add a copy to BCACHE. In either case, return a pointer | |
1619 | to BCACHE's copy of the symbol. If optional ADDED is not NULL, return | |
1620 | 1 in case of new entry or 0 if returning an old entry. */ | |
1621 | ||
af5bf4ad | 1622 | static struct partial_symbol * |
710e1a31 SW |
1623 | psymbol_bcache_full (struct partial_symbol *sym, |
1624 | struct psymbol_bcache *bcache, | |
1625 | int *added) | |
1626 | { | |
af5bf4ad | 1627 | return ((struct partial_symbol *) |
19ba03f4 SM |
1628 | bcache_full (sym, sizeof (struct partial_symbol), bcache->bcache, |
1629 | added)); | |
710e1a31 SW |
1630 | } |
1631 | ||
95cf5869 | 1632 | /* Helper function, initialises partial symbol structure and stashes |
ccefe4c4 TT |
1633 | it into objfile's bcache. Note that our caching mechanism will |
1634 | use all fields of struct partial_symbol to determine hash value of the | |
1635 | structure. In other words, having two symbols with the same name but | |
1636 | different domain (or address) is possible and correct. */ | |
1637 | ||
af5bf4ad | 1638 | static struct partial_symbol * |
72b9f47f | 1639 | add_psymbol_to_bcache (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1640 | domain_enum domain, |
fe978cb0 | 1641 | enum address_class theclass, |
79748972 | 1642 | short section, |
1762568f | 1643 | CORE_ADDR coreaddr, |
ccefe4c4 TT |
1644 | enum language language, struct objfile *objfile, |
1645 | int *added) | |
1646 | { | |
cbd70537 SW |
1647 | struct partial_symbol psymbol; |
1648 | ||
79748972 TT |
1649 | psymbol.set_unrelocated_address (coreaddr); |
1650 | psymbol.section = section; | |
8a6d4234 TT |
1651 | psymbol.domain = domain; |
1652 | psymbol.aclass = theclass; | |
fc956729 | 1653 | |
8a6d4234 TT |
1654 | memset (&psymbol.language_specific, 0, sizeof (psymbol.language_specific)); |
1655 | psymbol.ada_mangled = 0; | |
1656 | symbol_set_language (&psymbol, language, &objfile->objfile_obstack); | |
1657 | symbol_set_names (&psymbol, name, namelength, copy_name, objfile); | |
ccefe4c4 | 1658 | |
0df8b418 | 1659 | /* Stash the partial symbol away in the cache. */ |
95cf5869 | 1660 | return psymbol_bcache_full (&psymbol, objfile->psymbol_cache, added); |
ccefe4c4 TT |
1661 | } |
1662 | ||
95cf5869 | 1663 | /* Helper function, adds partial symbol to the given partial symbol list. */ |
ccefe4c4 TT |
1664 | |
1665 | static void | |
af5bf4ad SM |
1666 | append_psymbol_to_list (std::vector<partial_symbol *> *list, |
1667 | struct partial_symbol *psym, | |
ccefe4c4 TT |
1668 | struct objfile *objfile) |
1669 | { | |
af5bf4ad | 1670 | list->push_back (psym); |
ccefe4c4 TT |
1671 | OBJSTAT (objfile, n_psyms++); |
1672 | } | |
1673 | ||
1674 | /* Add a symbol with a long value to a psymtab. | |
1675 | Since one arg is a struct, we pass in a ptr and deref it (sigh). | |
1762568f DE |
1676 | The only value we need to store for psyms is an address. |
1677 | For all other psyms pass zero for COREADDR. | |
ccefe4c4 TT |
1678 | Return the partial symbol that has been added. */ |
1679 | ||
7dc25483 | 1680 | void |
72b9f47f | 1681 | add_psymbol_to_list (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1682 | domain_enum domain, |
fe978cb0 | 1683 | enum address_class theclass, |
79748972 | 1684 | short section, |
af5bf4ad | 1685 | std::vector<partial_symbol *> *list, |
1762568f | 1686 | CORE_ADDR coreaddr, |
ccefe4c4 TT |
1687 | enum language language, struct objfile *objfile) |
1688 | { | |
af5bf4ad | 1689 | struct partial_symbol *psym; |
ccefe4c4 TT |
1690 | |
1691 | int added; | |
1692 | ||
0df8b418 | 1693 | /* Stash the partial symbol away in the cache. */ |
fe978cb0 | 1694 | psym = add_psymbol_to_bcache (name, namelength, copy_name, domain, theclass, |
79748972 | 1695 | section, coreaddr, language, objfile, &added); |
ccefe4c4 TT |
1696 | |
1697 | /* Do not duplicate global partial symbols. */ | |
1698 | if (list == &objfile->global_psymbols | |
1699 | && !added) | |
7dc25483 | 1700 | return; |
ccefe4c4 | 1701 | |
0df8b418 | 1702 | /* Save pointer to partial symbol in psymtab, growing symtab if needed. */ |
ccefe4c4 | 1703 | append_psymbol_to_list (list, psym, objfile); |
ccefe4c4 TT |
1704 | } |
1705 | ||
1706 | /* Initialize storage for partial symbols. */ | |
1707 | ||
1708 | void | |
1709 | init_psymbol_list (struct objfile *objfile, int total_symbols) | |
1710 | { | |
1711 | /* Free any previously allocated psymbol lists. */ | |
af5bf4ad SM |
1712 | objfile->global_psymbols.clear (); |
1713 | objfile->static_psymbols.clear (); | |
ccefe4c4 TT |
1714 | |
1715 | /* Current best guess is that approximately a twentieth | |
1716 | of the total symbols (in a debugging file) are global or static | |
ca9c6ee2 | 1717 | oriented symbols, then multiply that by slop factor of two. */ |
af5bf4ad SM |
1718 | objfile->global_psymbols.reserve (total_symbols / 10); |
1719 | objfile->static_psymbols.reserve (total_symbols / 10); | |
ccefe4c4 TT |
1720 | } |
1721 | ||
1722 | struct partial_symtab * | |
1723 | allocate_psymtab (const char *filename, struct objfile *objfile) | |
1724 | { | |
1725 | struct partial_symtab *psymtab; | |
1726 | ||
1727 | if (objfile->free_psymtabs) | |
1728 | { | |
1729 | psymtab = objfile->free_psymtabs; | |
1730 | objfile->free_psymtabs = psymtab->next; | |
1731 | } | |
1732 | else | |
e39db4db | 1733 | psymtab = XOBNEW (&objfile->objfile_obstack, partial_symtab); |
ccefe4c4 TT |
1734 | |
1735 | memset (psymtab, 0, sizeof (struct partial_symtab)); | |
19ba03f4 SM |
1736 | psymtab->filename |
1737 | = (const char *) bcache (filename, strlen (filename) + 1, | |
1738 | objfile->per_bfd->filename_cache); | |
43f3e411 | 1739 | psymtab->compunit_symtab = NULL; |
ccefe4c4 TT |
1740 | |
1741 | /* Prepend it to the psymtab list for the objfile it belongs to. | |
1742 | Psymtabs are searched in most recent inserted -> least recent | |
0df8b418 | 1743 | inserted order. */ |
ccefe4c4 | 1744 | |
ccefe4c4 TT |
1745 | psymtab->next = objfile->psymtabs; |
1746 | objfile->psymtabs = psymtab; | |
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 | |
5c80ed9d | 1772 | discard_psymtab (struct objfile *objfile, 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 | |
5c80ed9d | 1785 | prev_pst = &(objfile->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 | |
5c80ed9d TT |
1792 | pst->next = objfile->free_psymtabs; |
1793 | objfile->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) | |
1859 | && objfile->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"); | |
1867 | addrmap_foreach (objfile->psymtabs_addrmap, dump_psymtab_addrmap_1, | |
1868 | &addrmap_dump_data); | |
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; |
ccefe4c4 TT |
1877 | struct objfile *objfile; |
1878 | struct partial_symtab *ps; | |
34c41c68 DE |
1879 | int i, outfile_idx, found; |
1880 | CORE_ADDR pc = 0; | |
1881 | struct obj_section *section = NULL; | |
ccefe4c4 TT |
1882 | |
1883 | dont_repeat (); | |
1884 | ||
773a1edc | 1885 | gdb_argv argv (args); |
ccefe4c4 | 1886 | |
99e8a4f9 | 1887 | for (i = 0; argv != NULL && argv[i] != NULL; ++i) |
ccefe4c4 | 1888 | { |
34c41c68 DE |
1889 | if (strcmp (argv[i], "-pc") == 0) |
1890 | { | |
1891 | if (argv[i + 1] == NULL) | |
1892 | error (_("Missing pc value")); | |
1893 | address_arg = argv[++i]; | |
1894 | } | |
1895 | else if (strcmp (argv[i], "-source") == 0) | |
1896 | { | |
1897 | if (argv[i + 1] == NULL) | |
1898 | error (_("Missing source file")); | |
1899 | source_arg = argv[++i]; | |
1900 | } | |
1901 | else if (strcmp (argv[i], "-objfile") == 0) | |
1902 | { | |
1903 | if (argv[i + 1] == NULL) | |
1904 | error (_("Missing objfile name")); | |
1905 | objfile_arg = argv[++i]; | |
1906 | } | |
1907 | else if (strcmp (argv[i], "--") == 0) | |
1908 | { | |
1909 | /* End of options. */ | |
1910 | ++i; | |
1911 | break; | |
1912 | } | |
1913 | else if (argv[i][0] == '-') | |
ccefe4c4 | 1914 | { |
34c41c68 DE |
1915 | /* Future proofing: Don't allow OUTFILE to begin with "-". */ |
1916 | error (_("Unknown option: %s"), argv[i]); | |
ccefe4c4 | 1917 | } |
34c41c68 DE |
1918 | else |
1919 | break; | |
ccefe4c4 | 1920 | } |
34c41c68 | 1921 | outfile_idx = i; |
ccefe4c4 | 1922 | |
34c41c68 DE |
1923 | if (address_arg != NULL && source_arg != NULL) |
1924 | error (_("Must specify at most one of -pc and -source")); | |
ccefe4c4 | 1925 | |
d7e74731 PA |
1926 | stdio_file arg_outfile; |
1927 | ||
99e8a4f9 | 1928 | if (argv != NULL && argv[outfile_idx] != NULL) |
34c41c68 | 1929 | { |
34c41c68 DE |
1930 | if (argv[outfile_idx + 1] != NULL) |
1931 | error (_("Junk at end of command")); | |
ee0c3293 TT |
1932 | gdb::unique_xmalloc_ptr<char> outfile_name |
1933 | (tilde_expand (argv[outfile_idx])); | |
1934 | if (!arg_outfile.open (outfile_name.get (), FOPEN_WT)) | |
1935 | perror_with_name (outfile_name.get ()); | |
d7e74731 | 1936 | outfile = &arg_outfile; |
34c41c68 | 1937 | } |
ccefe4c4 | 1938 | |
34c41c68 DE |
1939 | if (address_arg != NULL) |
1940 | { | |
1941 | pc = parse_and_eval_address (address_arg); | |
1942 | /* If we fail to find a section, that's ok, try the lookup anyway. */ | |
1943 | section = find_pc_section (pc); | |
1944 | } | |
372405a5 | 1945 | |
34c41c68 DE |
1946 | found = 0; |
1947 | ALL_OBJFILES (objfile) | |
27618ce4 | 1948 | { |
34c41c68 DE |
1949 | int printed_objfile_header = 0; |
1950 | int print_for_objfile = 1; | |
1951 | ||
27618ce4 | 1952 | QUIT; |
34c41c68 DE |
1953 | if (objfile_arg != NULL) |
1954 | print_for_objfile | |
1955 | = compare_filenames_for_search (objfile_name (objfile), | |
1956 | objfile_arg); | |
1957 | if (!print_for_objfile) | |
1958 | continue; | |
1959 | ||
1960 | if (address_arg != NULL) | |
1961 | { | |
1962 | struct bound_minimal_symbol msymbol = { NULL, NULL }; | |
1963 | ||
1964 | /* We don't assume each pc has a unique objfile (this is for | |
1965 | debugging). */ | |
1966 | ps = find_pc_sect_psymtab (objfile, pc, section, msymbol); | |
1967 | if (ps != NULL) | |
1968 | { | |
1969 | if (!printed_objfile_header) | |
1970 | { | |
d7e74731 PA |
1971 | outfile->printf ("\nPartial symtabs for objfile %s\n", |
1972 | objfile_name (objfile)); | |
34c41c68 DE |
1973 | printed_objfile_header = 1; |
1974 | } | |
1975 | dump_psymtab (objfile, ps, outfile); | |
1976 | dump_psymtab_addrmap (objfile, ps, outfile); | |
1977 | found = 1; | |
1978 | } | |
1979 | } | |
1980 | else | |
1981 | { | |
1982 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) | |
1983 | { | |
1984 | int print_for_source = 0; | |
1985 | ||
1986 | QUIT; | |
1987 | if (source_arg != NULL) | |
1988 | { | |
1989 | print_for_source | |
1990 | = compare_filenames_for_search (ps->filename, source_arg); | |
1991 | found = 1; | |
1992 | } | |
1993 | if (source_arg == NULL | |
1994 | || print_for_source) | |
1995 | { | |
1996 | if (!printed_objfile_header) | |
1997 | { | |
d7e74731 PA |
1998 | outfile->printf ("\nPartial symtabs for objfile %s\n", |
1999 | objfile_name (objfile)); | |
34c41c68 DE |
2000 | printed_objfile_header = 1; |
2001 | } | |
2002 | dump_psymtab (objfile, ps, outfile); | |
2003 | dump_psymtab_addrmap (objfile, ps, outfile); | |
2004 | } | |
2005 | } | |
2006 | } | |
2007 | ||
2008 | /* If we're printing all the objfile's symbols dump the full addrmap. */ | |
2009 | ||
2010 | if (address_arg == NULL | |
2011 | && source_arg == NULL | |
2012 | && objfile->psymtabs_addrmap != NULL) | |
372405a5 | 2013 | { |
d7e74731 | 2014 | outfile->puts ("\n"); |
34c41c68 | 2015 | dump_psymtab_addrmap (objfile, NULL, outfile); |
372405a5 | 2016 | } |
27618ce4 | 2017 | } |
372405a5 | 2018 | |
34c41c68 DE |
2019 | if (!found) |
2020 | { | |
2021 | if (address_arg != NULL) | |
2022 | error (_("No partial symtab for address: %s"), address_arg); | |
2023 | if (source_arg != NULL) | |
2024 | error (_("No partial symtab for source file: %s"), source_arg); | |
2025 | } | |
ccefe4c4 TT |
2026 | } |
2027 | ||
2028 | /* List all the partial symbol tables whose names match REGEXP (optional). */ | |
95cf5869 | 2029 | |
dfc7bb5b | 2030 | static void |
990b9f9f | 2031 | maintenance_info_psymtabs (const char *regexp, int from_tty) |
ccefe4c4 TT |
2032 | { |
2033 | struct program_space *pspace; | |
2034 | struct objfile *objfile; | |
2035 | ||
2036 | if (regexp) | |
2037 | re_comp (regexp); | |
2038 | ||
2039 | ALL_PSPACES (pspace) | |
2040 | ALL_PSPACE_OBJFILES (pspace, objfile) | |
2041 | { | |
2042 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
2043 | struct partial_symtab *psymtab; | |
2044 | ||
2045 | /* We don't want to print anything for this objfile until we | |
2046 | actually find a symtab whose name matches. */ | |
2047 | int printed_objfile_start = 0; | |
2048 | ||
b11896a5 | 2049 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab) |
ccefe4c4 TT |
2050 | { |
2051 | QUIT; | |
2052 | ||
2053 | if (! regexp | |
2054 | || re_exec (psymtab->filename)) | |
2055 | { | |
2056 | if (! printed_objfile_start) | |
2057 | { | |
4262abfb | 2058 | printf_filtered ("{ objfile %s ", objfile_name (objfile)); |
ccefe4c4 | 2059 | wrap_here (" "); |
95cf5869 | 2060 | printf_filtered ("((struct objfile *) %s)\n", |
ccefe4c4 TT |
2061 | host_address_to_string (objfile)); |
2062 | printed_objfile_start = 1; | |
2063 | } | |
2064 | ||
2065 | printf_filtered (" { psymtab %s ", psymtab->filename); | |
2066 | wrap_here (" "); | |
95cf5869 | 2067 | printf_filtered ("((struct partial_symtab *) %s)\n", |
ccefe4c4 TT |
2068 | host_address_to_string (psymtab)); |
2069 | ||
2070 | printf_filtered (" readin %s\n", | |
2071 | psymtab->readin ? "yes" : "no"); | |
2072 | printf_filtered (" fullname %s\n", | |
3e43a32a MS |
2073 | psymtab->fullname |
2074 | ? psymtab->fullname : "(null)"); | |
ccefe4c4 | 2075 | printf_filtered (" text addresses "); |
79748972 | 2076 | fputs_filtered (paddress (gdbarch, psymtab->text_low (objfile)), |
ccefe4c4 TT |
2077 | gdb_stdout); |
2078 | printf_filtered (" -- "); | |
79748972 | 2079 | fputs_filtered (paddress (gdbarch, psymtab->text_high (objfile)), |
ccefe4c4 TT |
2080 | gdb_stdout); |
2081 | printf_filtered ("\n"); | |
9750bca9 JK |
2082 | printf_filtered (" psymtabs_addrmap_supported %s\n", |
2083 | (psymtab->psymtabs_addrmap_supported | |
2084 | ? "yes" : "no")); | |
ccefe4c4 TT |
2085 | printf_filtered (" globals "); |
2086 | if (psymtab->n_global_syms) | |
2087 | { | |
af5bf4ad SM |
2088 | auto p = &objfile->global_psymbols[psymtab->globals_offset]; |
2089 | ||
ccefe4c4 | 2090 | printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", |
af5bf4ad | 2091 | host_address_to_string (p), |
ccefe4c4 TT |
2092 | psymtab->n_global_syms); |
2093 | } | |
2094 | else | |
2095 | printf_filtered ("(none)\n"); | |
2096 | printf_filtered (" statics "); | |
2097 | if (psymtab->n_static_syms) | |
2098 | { | |
af5bf4ad SM |
2099 | auto p = &objfile->static_psymbols[psymtab->statics_offset]; |
2100 | ||
ccefe4c4 | 2101 | printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", |
af5bf4ad | 2102 | host_address_to_string (p), |
ccefe4c4 TT |
2103 | psymtab->n_static_syms); |
2104 | } | |
2105 | else | |
2106 | printf_filtered ("(none)\n"); | |
2107 | printf_filtered (" dependencies "); | |
2108 | if (psymtab->number_of_dependencies) | |
2109 | { | |
2110 | int i; | |
2111 | ||
2112 | printf_filtered ("{\n"); | |
2113 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
2114 | { | |
2115 | struct partial_symtab *dep = psymtab->dependencies[i]; | |
2116 | ||
2117 | /* Note the string concatenation there --- no comma. */ | |
2118 | printf_filtered (" psymtab %s " | |
2119 | "((struct partial_symtab *) %s)\n", | |
95cf5869 | 2120 | dep->filename, |
ccefe4c4 TT |
2121 | host_address_to_string (dep)); |
2122 | } | |
2123 | printf_filtered (" }\n"); | |
2124 | } | |
2125 | else | |
2126 | printf_filtered ("(none)\n"); | |
2127 | printf_filtered (" }\n"); | |
2128 | } | |
2129 | } | |
2130 | ||
2131 | if (printed_objfile_start) | |
2132 | printf_filtered ("}\n"); | |
2133 | } | |
2134 | } | |
2135 | ||
7d0c9981 | 2136 | /* Check consistency of currently expanded psymtabs vs symtabs. */ |
ccefe4c4 | 2137 | |
dfc7bb5b | 2138 | static void |
990b9f9f | 2139 | maintenance_check_psymtabs (const char *ignore, int from_tty) |
ccefe4c4 TT |
2140 | { |
2141 | struct symbol *sym; | |
43f3e411 | 2142 | struct compunit_symtab *cust = NULL; |
ccefe4c4 | 2143 | struct partial_symtab *ps; |
346d1dfe | 2144 | const struct blockvector *bv; |
ccefe4c4 TT |
2145 | struct objfile *objfile; |
2146 | struct block *b; | |
2147 | int length; | |
2148 | ||
2149 | ALL_PSYMTABS (objfile, ps) | |
2150 | { | |
2151 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
ad3bbd48 | 2152 | |
7d0c9981 DE |
2153 | /* We don't call psymtab_to_symtab here because that may cause symtab |
2154 | expansion. When debugging a problem it helps if checkers leave | |
2155 | things unchanged. */ | |
43f3e411 | 2156 | cust = ps->compunit_symtab; |
7d0c9981 DE |
2157 | |
2158 | /* First do some checks that don't require the associated symtab. */ | |
79748972 | 2159 | if (ps->text_high (objfile) < ps->text_low (objfile)) |
7d0c9981 DE |
2160 | { |
2161 | printf_filtered ("Psymtab "); | |
2162 | puts_filtered (ps->filename); | |
2163 | printf_filtered (" covers bad range "); | |
79748972 TT |
2164 | fputs_filtered (paddress (gdbarch, ps->text_low (objfile)), |
2165 | gdb_stdout); | |
7d0c9981 | 2166 | printf_filtered (" - "); |
79748972 TT |
2167 | fputs_filtered (paddress (gdbarch, ps->text_high (objfile)), |
2168 | gdb_stdout); | |
7d0c9981 DE |
2169 | printf_filtered ("\n"); |
2170 | continue; | |
2171 | } | |
2172 | ||
2173 | /* Now do checks requiring the associated symtab. */ | |
43f3e411 | 2174 | if (cust == NULL) |
ccefe4c4 | 2175 | continue; |
43f3e411 | 2176 | bv = COMPUNIT_BLOCKVECTOR (cust); |
ccefe4c4 | 2177 | b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); |
af5bf4ad | 2178 | partial_symbol **psym = &objfile->static_psymbols[ps->statics_offset]; |
ccefe4c4 TT |
2179 | length = ps->n_static_syms; |
2180 | while (length--) | |
2181 | { | |
8a6d4234 | 2182 | sym = block_lookup_symbol (b, symbol_search_name (*psym), |
de63c46b | 2183 | symbol_name_match_type::SEARCH_NAME, |
8a6d4234 | 2184 | (*psym)->domain); |
ccefe4c4 TT |
2185 | if (!sym) |
2186 | { | |
2187 | printf_filtered ("Static symbol `"); | |
8a6d4234 | 2188 | puts_filtered ((*psym)->name); |
ccefe4c4 TT |
2189 | printf_filtered ("' only found in "); |
2190 | puts_filtered (ps->filename); | |
2191 | printf_filtered (" psymtab\n"); | |
2192 | } | |
2193 | psym++; | |
2194 | } | |
2195 | b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
af5bf4ad | 2196 | psym = &objfile->global_psymbols[ps->globals_offset]; |
ccefe4c4 TT |
2197 | length = ps->n_global_syms; |
2198 | while (length--) | |
2199 | { | |
8a6d4234 | 2200 | sym = block_lookup_symbol (b, symbol_search_name (*psym), |
de63c46b | 2201 | symbol_name_match_type::SEARCH_NAME, |
8a6d4234 | 2202 | (*psym)->domain); |
ccefe4c4 TT |
2203 | if (!sym) |
2204 | { | |
2205 | printf_filtered ("Global symbol `"); | |
8a6d4234 | 2206 | puts_filtered ((*psym)->name); |
ccefe4c4 TT |
2207 | printf_filtered ("' only found in "); |
2208 | puts_filtered (ps->filename); | |
2209 | printf_filtered (" psymtab\n"); | |
2210 | } | |
2211 | psym++; | |
2212 | } | |
79748972 TT |
2213 | if (ps->raw_text_high () != 0 |
2214 | && (ps->text_low (objfile) < BLOCK_START (b) | |
2215 | || ps->text_high (objfile) > BLOCK_END (b))) | |
ccefe4c4 TT |
2216 | { |
2217 | printf_filtered ("Psymtab "); | |
2218 | puts_filtered (ps->filename); | |
2219 | printf_filtered (" covers "); | |
79748972 TT |
2220 | fputs_filtered (paddress (gdbarch, ps->text_low (objfile)), |
2221 | gdb_stdout); | |
ccefe4c4 | 2222 | printf_filtered (" - "); |
79748972 TT |
2223 | fputs_filtered (paddress (gdbarch, ps->text_high (objfile)), |
2224 | gdb_stdout); | |
ccefe4c4 TT |
2225 | printf_filtered (" but symtab covers only "); |
2226 | fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout); | |
2227 | printf_filtered (" - "); | |
2228 | fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout); | |
2229 | printf_filtered ("\n"); | |
2230 | } | |
2231 | } | |
2232 | } | |
2233 | ||
dfc7bb5b YQ |
2234 | void |
2235 | _initialize_psymtab (void) | |
2236 | { | |
2237 | add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols, _("\ | |
2238 | Print dump of current partial symbol definitions.\n\ | |
48c5e7e2 TT |
2239 | Usage: mt print psymbols [-objfile OBJFILE] [-pc ADDRESS] [--] [OUTFILE]\n\ |
2240 | mt print psymbols [-objfile OBJFILE] [-source SOURCE] [--] [OUTFILE]\n\ | |
34c41c68 DE |
2241 | Entries in the partial symbol table are dumped to file OUTFILE,\n\ |
2242 | or the terminal if OUTFILE is unspecified.\n\ | |
2243 | If ADDRESS is provided, dump only the file for that address.\n\ | |
2244 | If SOURCE is provided, dump only that file's symbols.\n\ | |
2245 | If OBJFILE is provided, dump only that file's minimal symbols."), | |
dfc7bb5b YQ |
2246 | &maintenanceprintlist); |
2247 | ||
2248 | add_cmd ("psymtabs", class_maintenance, maintenance_info_psymtabs, _("\ | |
2249 | List the partial symbol tables for all object files.\n\ | |
2250 | This does not include information about individual partial symbols,\n\ | |
2251 | just the symbol table structures themselves."), | |
2252 | &maintenanceinfolist); | |
2253 | ||
7d0c9981 DE |
2254 | add_cmd ("check-psymtabs", class_maintenance, maintenance_check_psymtabs, |
2255 | _("\ | |
2256 | Check consistency of currently expanded psymtabs versus symtabs."), | |
dfc7bb5b YQ |
2257 | &maintenancelist); |
2258 | } |