Commit | Line | Data |
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ccefe4c4 | 1 | /* Partial symbol tables. |
95cf5869 | 2 | |
61baf725 | 3 | Copyright (C) 2009-2017 Free Software Foundation, Inc. |
ccefe4c4 TT |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include "defs.h" | |
21 | #include "symtab.h" | |
22 | #include "psympriv.h" | |
23 | #include "objfiles.h" | |
ccefe4c4 TT |
24 | #include "block.h" |
25 | #include "filenames.h" | |
26 | #include "source.h" | |
27 | #include "addrmap.h" | |
28 | #include "gdbtypes.h" | |
29 | #include "bcache.h" | |
30 | #include "ui-out.h" | |
31 | #include "command.h" | |
32 | #include "readline/readline.h" | |
33 | #include "gdb_regex.h" | |
40658b94 | 34 | #include "dictionary.h" |
c00f8484 KS |
35 | #include "language.h" |
36 | #include "cp-support.h" | |
dfc7bb5b | 37 | #include "gdbcmd.h" |
af5bf4ad | 38 | #include <algorithm> |
ccefe4c4 | 39 | |
710e1a31 SW |
40 | struct psymbol_bcache |
41 | { | |
42 | struct bcache *bcache; | |
43 | }; | |
44 | ||
5c80ed9d TT |
45 | static struct partial_symbol *match_partial_symbol (struct objfile *, |
46 | struct partial_symtab *, | |
40658b94 PH |
47 | int, |
48 | const char *, domain_enum, | |
2edb89d3 JK |
49 | symbol_compare_ftype *, |
50 | symbol_compare_ftype *); | |
40658b94 | 51 | |
5c80ed9d TT |
52 | static struct partial_symbol *lookup_partial_symbol (struct objfile *, |
53 | struct partial_symtab *, | |
ccefe4c4 TT |
54 | const char *, int, |
55 | domain_enum); | |
56 | ||
da5132d3 | 57 | static const char *psymtab_to_fullname (struct partial_symtab *ps); |
ccefe4c4 | 58 | |
5c80ed9d TT |
59 | static struct partial_symbol *find_pc_sect_psymbol (struct objfile *, |
60 | struct partial_symtab *, | |
ccefe4c4 TT |
61 | CORE_ADDR, |
62 | struct obj_section *); | |
63 | ||
50da2f25 YQ |
64 | static void fixup_psymbol_section (struct partial_symbol *psym, |
65 | struct objfile *objfile); | |
ccefe4c4 | 66 | |
43f3e411 DE |
67 | static struct compunit_symtab *psymtab_to_symtab (struct objfile *objfile, |
68 | struct partial_symtab *pst); | |
ccefe4c4 | 69 | |
b11896a5 TT |
70 | /* Ensure that the partial symbols for OBJFILE have been loaded. This |
71 | function always returns its argument, as a convenience. */ | |
72 | ||
73 | struct objfile * | |
74 | require_partial_symbols (struct objfile *objfile, int verbose) | |
75 | { | |
76 | if ((objfile->flags & OBJF_PSYMTABS_READ) == 0) | |
77 | { | |
78 | objfile->flags |= OBJF_PSYMTABS_READ; | |
79 | ||
80 | if (objfile->sf->sym_read_psymbols) | |
81 | { | |
82 | if (verbose) | |
83 | { | |
84 | printf_unfiltered (_("Reading symbols from %s..."), | |
4262abfb | 85 | objfile_name (objfile)); |
b11896a5 TT |
86 | gdb_flush (gdb_stdout); |
87 | } | |
88 | (*objfile->sf->sym_read_psymbols) (objfile); | |
af5bf4ad SM |
89 | |
90 | /* Partial symbols list are not expected to changed after this | |
91 | point. */ | |
92 | objfile->global_psymbols.shrink_to_fit (); | |
93 | objfile->static_psymbols.shrink_to_fit (); | |
94 | ||
b11896a5 TT |
95 | if (verbose) |
96 | { | |
97 | if (!objfile_has_symbols (objfile)) | |
98 | { | |
99 | wrap_here (""); | |
100 | printf_unfiltered (_("(no debugging symbols found)...")); | |
101 | wrap_here (""); | |
102 | } | |
103 | ||
104 | printf_unfiltered (_("done.\n")); | |
105 | } | |
106 | } | |
107 | } | |
108 | ||
109 | return objfile; | |
110 | } | |
111 | ||
112 | /* Traverse all psymtabs in one objfile, requiring that the psymtabs | |
113 | be read in. */ | |
114 | ||
115 | #define ALL_OBJFILE_PSYMTABS_REQUIRED(objfile, p) \ | |
116 | for ((p) = require_partial_symbols (objfile, 1)->psymtabs; \ | |
117 | (p) != NULL; \ | |
118 | (p) = (p)->next) | |
119 | ||
120 | /* We want to make sure this file always requires psymtabs. */ | |
121 | ||
122 | #undef ALL_OBJFILE_PSYMTABS | |
123 | ||
124 | /* Traverse all psymtabs in all objfiles. */ | |
125 | ||
126 | #define ALL_PSYMTABS(objfile, p) \ | |
127 | ALL_OBJFILES (objfile) \ | |
128 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) | |
129 | ||
83827540 | 130 | /* Helper function for psym_map_symtabs_matching_filename that |
f8eba3c6 | 131 | expands the symtabs and calls the iterator. */ |
ccefe4c4 | 132 | |
14bc53a8 | 133 | static bool |
f8eba3c6 TT |
134 | partial_map_expand_apply (struct objfile *objfile, |
135 | const char *name, | |
f8eba3c6 TT |
136 | const char *real_path, |
137 | struct partial_symtab *pst, | |
14bc53a8 | 138 | gdb::function_view<bool (symtab *)> callback) |
f8eba3c6 | 139 | { |
43f3e411 | 140 | struct compunit_symtab *last_made = objfile->compunit_symtabs; |
f8eba3c6 | 141 | |
9439a077 TT |
142 | /* Shared psymtabs should never be seen here. Instead they should |
143 | be handled properly by the caller. */ | |
144 | gdb_assert (pst->user == NULL); | |
145 | ||
f8eba3c6 TT |
146 | /* Don't visit already-expanded psymtabs. */ |
147 | if (pst->readin) | |
148 | return 0; | |
149 | ||
150 | /* This may expand more than one symtab, and we want to iterate over | |
151 | all of them. */ | |
5c80ed9d | 152 | psymtab_to_symtab (objfile, pst); |
f8eba3c6 | 153 | |
14bc53a8 PA |
154 | return iterate_over_some_symtabs (name, real_path, objfile->compunit_symtabs, |
155 | last_made, callback); | |
f8eba3c6 TT |
156 | } |
157 | ||
83827540 DE |
158 | /* Psymtab version of map_symtabs_matching_filename. See its definition in |
159 | the definition of quick_symbol_functions in symfile.h. */ | |
f8eba3c6 | 160 | |
14bc53a8 PA |
161 | static bool |
162 | psym_map_symtabs_matching_filename | |
163 | (struct objfile *objfile, | |
164 | const char *name, | |
165 | const char *real_path, | |
166 | gdb::function_view<bool (symtab *)> callback) | |
ccefe4c4 TT |
167 | { |
168 | struct partial_symtab *pst; | |
c011a4f4 | 169 | const char *name_basename = lbasename (name); |
ccefe4c4 | 170 | |
b11896a5 | 171 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
ccefe4c4 | 172 | { |
9439a077 TT |
173 | /* We can skip shared psymtabs here, because any file name will be |
174 | attached to the unshared psymtab. */ | |
175 | if (pst->user != NULL) | |
176 | continue; | |
177 | ||
b4c41fc7 DE |
178 | /* Anonymous psymtabs don't have a file name. */ |
179 | if (pst->anonymous) | |
180 | continue; | |
181 | ||
af529f8f | 182 | if (compare_filenames_for_search (pst->filename, name)) |
ccefe4c4 | 183 | { |
f5b95b50 | 184 | if (partial_map_expand_apply (objfile, name, real_path, |
14bc53a8 PA |
185 | pst, callback)) |
186 | return true; | |
288e77a7 | 187 | continue; |
ccefe4c4 TT |
188 | } |
189 | ||
c011a4f4 DE |
190 | /* Before we invoke realpath, which can get expensive when many |
191 | files are involved, do a quick comparison of the basenames. */ | |
192 | if (! basenames_may_differ | |
193 | && FILENAME_CMP (name_basename, lbasename (pst->filename)) != 0) | |
194 | continue; | |
195 | ||
05cba821 JK |
196 | if (compare_filenames_for_search (psymtab_to_fullname (pst), name)) |
197 | { | |
198 | if (partial_map_expand_apply (objfile, name, real_path, | |
14bc53a8 PA |
199 | pst, callback)) |
200 | return true; | |
288e77a7 | 201 | continue; |
05cba821 JK |
202 | } |
203 | ||
ccefe4c4 TT |
204 | /* If the user gave us an absolute path, try to find the file in |
205 | this symtab and use its absolute path. */ | |
ccefe4c4 TT |
206 | if (real_path != NULL) |
207 | { | |
af529f8f JK |
208 | gdb_assert (IS_ABSOLUTE_PATH (real_path)); |
209 | gdb_assert (IS_ABSOLUTE_PATH (name)); | |
fbd9ab74 | 210 | if (filename_cmp (psymtab_to_fullname (pst), real_path) == 0) |
ccefe4c4 | 211 | { |
f5b95b50 | 212 | if (partial_map_expand_apply (objfile, name, real_path, |
14bc53a8 PA |
213 | pst, callback)) |
214 | return true; | |
288e77a7 | 215 | continue; |
ccefe4c4 TT |
216 | } |
217 | } | |
218 | } | |
219 | ||
14bc53a8 | 220 | return false; |
ccefe4c4 TT |
221 | } |
222 | ||
223 | /* Find which partial symtab contains PC and SECTION starting at psymtab PST. | |
224 | We may find a different psymtab than PST. See FIND_PC_SECT_PSYMTAB. */ | |
225 | ||
226 | static struct partial_symtab * | |
5c80ed9d TT |
227 | find_pc_sect_psymtab_closer (struct objfile *objfile, |
228 | CORE_ADDR pc, struct obj_section *section, | |
ccefe4c4 | 229 | struct partial_symtab *pst, |
77e371c0 | 230 | struct bound_minimal_symbol msymbol) |
ccefe4c4 | 231 | { |
ccefe4c4 TT |
232 | struct partial_symtab *tpst; |
233 | struct partial_symtab *best_pst = pst; | |
234 | CORE_ADDR best_addr = pst->textlow; | |
235 | ||
9750bca9 JK |
236 | gdb_assert (!pst->psymtabs_addrmap_supported); |
237 | ||
ccefe4c4 TT |
238 | /* An objfile that has its functions reordered might have |
239 | many partial symbol tables containing the PC, but | |
240 | we want the partial symbol table that contains the | |
241 | function containing the PC. */ | |
95cf5869 DE |
242 | if (!(objfile->flags & OBJF_REORDERED) |
243 | && section == NULL) /* Can't validate section this way. */ | |
ccefe4c4 TT |
244 | return pst; |
245 | ||
77e371c0 | 246 | if (msymbol.minsym == NULL) |
95cf5869 | 247 | return pst; |
ccefe4c4 TT |
248 | |
249 | /* The code range of partial symtabs sometimes overlap, so, in | |
250 | the loop below, we need to check all partial symtabs and | |
0df8b418 | 251 | find the one that fits better for the given PC address. We |
ccefe4c4 TT |
252 | select the partial symtab that contains a symbol whose |
253 | address is closest to the PC address. By closest we mean | |
254 | that find_pc_sect_symbol returns the symbol with address | |
255 | that is closest and still less than the given PC. */ | |
256 | for (tpst = pst; tpst != NULL; tpst = tpst->next) | |
257 | { | |
258 | if (pc >= tpst->textlow && pc < tpst->texthigh) | |
259 | { | |
260 | struct partial_symbol *p; | |
261 | CORE_ADDR this_addr; | |
262 | ||
263 | /* NOTE: This assumes that every psymbol has a | |
264 | corresponding msymbol, which is not necessarily | |
265 | true; the debug info might be much richer than the | |
266 | object's symbol table. */ | |
5c80ed9d | 267 | p = find_pc_sect_psymbol (objfile, tpst, pc, section); |
ccefe4c4 | 268 | if (p != NULL |
95cf5869 DE |
269 | && (SYMBOL_VALUE_ADDRESS (p) |
270 | == BMSYMBOL_VALUE_ADDRESS (msymbol))) | |
ccefe4c4 TT |
271 | return tpst; |
272 | ||
273 | /* Also accept the textlow value of a psymtab as a | |
274 | "symbol", to provide some support for partial | |
275 | symbol tables with line information but no debug | |
276 | symbols (e.g. those produced by an assembler). */ | |
277 | if (p != NULL) | |
278 | this_addr = SYMBOL_VALUE_ADDRESS (p); | |
279 | else | |
280 | this_addr = tpst->textlow; | |
281 | ||
282 | /* Check whether it is closer than our current | |
283 | BEST_ADDR. Since this symbol address is | |
284 | necessarily lower or equal to PC, the symbol closer | |
285 | to PC is the symbol which address is the highest. | |
286 | This way we return the psymtab which contains such | |
0df8b418 | 287 | best match symbol. This can help in cases where the |
ccefe4c4 TT |
288 | symbol information/debuginfo is not complete, like |
289 | for instance on IRIX6 with gcc, where no debug info | |
0df8b418 MS |
290 | is emitted for statics. (See also the nodebug.exp |
291 | testcase.) */ | |
ccefe4c4 TT |
292 | if (this_addr > best_addr) |
293 | { | |
294 | best_addr = this_addr; | |
295 | best_pst = tpst; | |
296 | } | |
297 | } | |
298 | } | |
299 | return best_pst; | |
300 | } | |
301 | ||
95cf5869 | 302 | /* Find which partial symtab contains PC and SECTION. Return NULL if |
ccefe4c4 TT |
303 | none. We return the psymtab that contains a symbol whose address |
304 | exactly matches PC, or, if we cannot find an exact match, the | |
305 | psymtab that contains a symbol whose address is closest to PC. */ | |
95cf5869 | 306 | |
ccefe4c4 TT |
307 | static struct partial_symtab * |
308 | find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc, | |
309 | struct obj_section *section, | |
77e371c0 | 310 | struct bound_minimal_symbol msymbol) |
ccefe4c4 TT |
311 | { |
312 | struct partial_symtab *pst; | |
313 | ||
314 | /* Try just the PSYMTABS_ADDRMAP mapping first as it has better granularity | |
315 | than the later used TEXTLOW/TEXTHIGH one. */ | |
316 | ||
317 | if (objfile->psymtabs_addrmap != NULL) | |
318 | { | |
19ba03f4 SM |
319 | pst = ((struct partial_symtab *) |
320 | addrmap_find (objfile->psymtabs_addrmap, pc)); | |
ccefe4c4 TT |
321 | if (pst != NULL) |
322 | { | |
323 | /* FIXME: addrmaps currently do not handle overlayed sections, | |
324 | so fall back to the non-addrmap case if we're debugging | |
325 | overlays and the addrmap returned the wrong section. */ | |
95cf5869 | 326 | if (overlay_debugging && msymbol.minsym != NULL && section != NULL) |
ccefe4c4 TT |
327 | { |
328 | struct partial_symbol *p; | |
ad3bbd48 | 329 | |
ccefe4c4 TT |
330 | /* NOTE: This assumes that every psymbol has a |
331 | corresponding msymbol, which is not necessarily | |
332 | true; the debug info might be much richer than the | |
333 | object's symbol table. */ | |
5c80ed9d | 334 | p = find_pc_sect_psymbol (objfile, pst, pc, section); |
95cf5869 DE |
335 | if (p == NULL |
336 | || (SYMBOL_VALUE_ADDRESS (p) | |
337 | != BMSYMBOL_VALUE_ADDRESS (msymbol))) | |
ccefe4c4 TT |
338 | goto next; |
339 | } | |
340 | ||
341 | /* We do not try to call FIND_PC_SECT_PSYMTAB_CLOSER as | |
342 | PSYMTABS_ADDRMAP we used has already the best 1-byte | |
343 | granularity and FIND_PC_SECT_PSYMTAB_CLOSER may mislead us into | |
344 | a worse chosen section due to the TEXTLOW/TEXTHIGH ranges | |
345 | overlap. */ | |
346 | ||
347 | return pst; | |
348 | } | |
349 | } | |
350 | ||
351 | next: | |
352 | ||
353 | /* Existing PSYMTABS_ADDRMAP mapping is present even for PARTIAL_SYMTABs | |
354 | which still have no corresponding full SYMTABs read. But it is not | |
355 | present for non-DWARF2 debug infos not supporting PSYMTABS_ADDRMAP in GDB | |
356 | so far. */ | |
357 | ||
358 | /* Check even OBJFILE with non-zero PSYMTABS_ADDRMAP as only several of | |
359 | its CUs may be missing in PSYMTABS_ADDRMAP as they may be varying | |
360 | debug info type in single OBJFILE. */ | |
361 | ||
b11896a5 | 362 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
9750bca9 JK |
363 | if (!pst->psymtabs_addrmap_supported |
364 | && pc >= pst->textlow && pc < pst->texthigh) | |
ccefe4c4 TT |
365 | { |
366 | struct partial_symtab *best_pst; | |
367 | ||
5c80ed9d TT |
368 | best_pst = find_pc_sect_psymtab_closer (objfile, pc, section, pst, |
369 | msymbol); | |
ccefe4c4 TT |
370 | if (best_pst != NULL) |
371 | return best_pst; | |
372 | } | |
373 | ||
374 | return NULL; | |
375 | } | |
376 | ||
95cf5869 DE |
377 | /* Psymtab version of find_pc_sect_compunit_symtab. See its definition in |
378 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 379 | |
43f3e411 | 380 | static struct compunit_symtab * |
83827540 DE |
381 | psym_find_pc_sect_compunit_symtab (struct objfile *objfile, |
382 | struct bound_minimal_symbol msymbol, | |
383 | CORE_ADDR pc, | |
384 | struct obj_section *section, | |
385 | int warn_if_readin) | |
ccefe4c4 TT |
386 | { |
387 | struct partial_symtab *ps = find_pc_sect_psymtab (objfile, pc, section, | |
388 | msymbol); | |
95cf5869 | 389 | if (ps != NULL) |
ccefe4c4 TT |
390 | { |
391 | if (warn_if_readin && ps->readin) | |
392 | /* Might want to error() here (in case symtab is corrupt and | |
393 | will cause a core dump), but maybe we can successfully | |
394 | continue, so let's not. */ | |
395 | warning (_("\ | |
396 | (Internal error: pc %s in read in psymtab, but not in symtab.)\n"), | |
5c80ed9d TT |
397 | paddress (get_objfile_arch (objfile), pc)); |
398 | psymtab_to_symtab (objfile, ps); | |
43f3e411 | 399 | return ps->compunit_symtab; |
ccefe4c4 TT |
400 | } |
401 | return NULL; | |
402 | } | |
403 | ||
404 | /* Find which partial symbol within a psymtab matches PC and SECTION. | |
95cf5869 | 405 | Return NULL if none. */ |
ccefe4c4 TT |
406 | |
407 | static struct partial_symbol * | |
5c80ed9d TT |
408 | find_pc_sect_psymbol (struct objfile *objfile, |
409 | struct partial_symtab *psymtab, CORE_ADDR pc, | |
ccefe4c4 TT |
410 | struct obj_section *section) |
411 | { | |
af5bf4ad | 412 | struct partial_symbol *best = NULL; |
ccefe4c4 TT |
413 | CORE_ADDR best_pc; |
414 | ||
415 | gdb_assert (psymtab != NULL); | |
416 | ||
0df8b418 | 417 | /* Cope with programs that start at address 0. */ |
ccefe4c4 TT |
418 | best_pc = (psymtab->textlow != 0) ? psymtab->textlow - 1 : 0; |
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 | ||
ccefe4c4 | 427 | if (SYMBOL_DOMAIN (p) == VAR_DOMAIN |
dbccfd4c | 428 | && PSYMBOL_CLASS (p) == LOC_BLOCK |
ccefe4c4 TT |
429 | && pc >= SYMBOL_VALUE_ADDRESS (p) |
430 | && (SYMBOL_VALUE_ADDRESS (p) > best_pc | |
431 | || (psymtab->textlow == 0 | |
432 | && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0))) | |
433 | { | |
95cf5869 | 434 | if (section != NULL) /* Match on a specific section. */ |
ccefe4c4 | 435 | { |
5c80ed9d | 436 | fixup_psymbol_section (p, objfile); |
e27d198c TT |
437 | if (!matching_obj_sections (SYMBOL_OBJ_SECTION (objfile, p), |
438 | section)) | |
ccefe4c4 TT |
439 | continue; |
440 | } | |
441 | best_pc = SYMBOL_VALUE_ADDRESS (p); | |
442 | best = p; | |
443 | } | |
444 | } | |
445 | ||
af5bf4ad | 446 | for (int i = 0; i < psymtab->n_static_syms; i++) |
ccefe4c4 | 447 | { |
af5bf4ad SM |
448 | partial_symbol *p = objfile->static_psymbols[psymtab->statics_offset + i]; |
449 | ||
ccefe4c4 | 450 | if (SYMBOL_DOMAIN (p) == VAR_DOMAIN |
dbccfd4c | 451 | && PSYMBOL_CLASS (p) == LOC_BLOCK |
ccefe4c4 TT |
452 | && pc >= SYMBOL_VALUE_ADDRESS (p) |
453 | && (SYMBOL_VALUE_ADDRESS (p) > best_pc | |
454 | || (psymtab->textlow == 0 | |
455 | && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0))) | |
456 | { | |
95cf5869 | 457 | if (section != NULL) /* Match on a specific section. */ |
ccefe4c4 | 458 | { |
5c80ed9d | 459 | fixup_psymbol_section (p, objfile); |
e27d198c TT |
460 | if (!matching_obj_sections (SYMBOL_OBJ_SECTION (objfile, p), |
461 | section)) | |
ccefe4c4 TT |
462 | continue; |
463 | } | |
464 | best_pc = SYMBOL_VALUE_ADDRESS (p); | |
465 | best = p; | |
466 | } | |
467 | } | |
468 | ||
469 | return best; | |
470 | } | |
471 | ||
50da2f25 | 472 | static void |
ccefe4c4 TT |
473 | fixup_psymbol_section (struct partial_symbol *psym, struct objfile *objfile) |
474 | { | |
475 | CORE_ADDR addr; | |
476 | ||
95cf5869 | 477 | if (psym == NULL) |
e27d198c TT |
478 | return; |
479 | ||
480 | if (SYMBOL_SECTION (psym) >= 0) | |
50da2f25 | 481 | return; |
ccefe4c4 TT |
482 | |
483 | gdb_assert (objfile); | |
484 | ||
dbccfd4c | 485 | switch (PSYMBOL_CLASS (psym)) |
ccefe4c4 TT |
486 | { |
487 | case LOC_STATIC: | |
488 | case LOC_LABEL: | |
489 | case LOC_BLOCK: | |
490 | addr = SYMBOL_VALUE_ADDRESS (psym); | |
491 | break; | |
492 | default: | |
493 | /* Nothing else will be listed in the minsyms -- no use looking | |
494 | it up. */ | |
50da2f25 | 495 | return; |
ccefe4c4 TT |
496 | } |
497 | ||
498 | fixup_section (&psym->ginfo, addr, objfile); | |
ccefe4c4 TT |
499 | } |
500 | ||
95cf5869 DE |
501 | /* Psymtab version of lookup_symbol. See its definition in |
502 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 503 | |
43f3e411 | 504 | static struct compunit_symtab * |
83827540 DE |
505 | psym_lookup_symbol (struct objfile *objfile, |
506 | int block_index, const char *name, | |
507 | const domain_enum domain) | |
ccefe4c4 TT |
508 | { |
509 | struct partial_symtab *ps; | |
510 | const int psymtab_index = (block_index == GLOBAL_BLOCK ? 1 : 0); | |
43f3e411 | 511 | struct compunit_symtab *stab_best = NULL; |
ccefe4c4 | 512 | |
b11896a5 | 513 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 | 514 | { |
5c80ed9d TT |
515 | if (!ps->readin && lookup_partial_symbol (objfile, ps, name, |
516 | psymtab_index, domain)) | |
c00f8484 | 517 | { |
b2e2f908 | 518 | struct symbol *sym, *with_opaque = NULL; |
43f3e411 | 519 | struct compunit_symtab *stab = psymtab_to_symtab (objfile, ps); |
f194fefb DE |
520 | /* Note: While psymtab_to_symtab can return NULL if the partial symtab |
521 | is empty, we can assume it won't here because lookup_partial_symbol | |
522 | succeeded. */ | |
43f3e411 | 523 | const struct blockvector *bv = COMPUNIT_BLOCKVECTOR (stab); |
f194fefb | 524 | struct block *block = BLOCKVECTOR_BLOCK (bv, block_index); |
c00f8484 | 525 | |
b2e2f908 DE |
526 | sym = block_find_symbol (block, name, domain, |
527 | block_find_non_opaque_type_preferred, | |
528 | &with_opaque); | |
529 | ||
c00f8484 | 530 | /* Some caution must be observed with overloaded functions |
b2e2f908 | 531 | and methods, since the index will not contain any overload |
c00f8484 | 532 | information (but NAME might contain it). */ |
bfb05775 | 533 | |
b2e2f908 | 534 | if (sym != NULL |
a778f165 | 535 | && SYMBOL_MATCHES_SEARCH_NAME (sym, name)) |
b2e2f908 DE |
536 | return stab; |
537 | if (with_opaque != NULL | |
a778f165 | 538 | && SYMBOL_MATCHES_SEARCH_NAME (with_opaque, name)) |
b2e2f908 | 539 | stab_best = stab; |
c00f8484 KS |
540 | |
541 | /* Keep looking through other psymtabs. */ | |
542 | } | |
ccefe4c4 TT |
543 | } |
544 | ||
bfb05775 | 545 | return stab_best; |
ccefe4c4 TT |
546 | } |
547 | ||
40658b94 PH |
548 | /* Look in PST for a symbol in DOMAIN whose name matches NAME. Search |
549 | the global block of PST if GLOBAL, and otherwise the static block. | |
550 | MATCH is the comparison operation that returns true iff MATCH (s, | |
551 | NAME), where s is a SYMBOL_SEARCH_NAME. If ORDERED_COMPARE is | |
552 | non-null, the symbols in the block are assumed to be ordered | |
553 | according to it (allowing binary search). It must be compatible | |
554 | with MATCH. Returns the symbol, if found, and otherwise NULL. */ | |
555 | ||
556 | static struct partial_symbol * | |
5c80ed9d TT |
557 | match_partial_symbol (struct objfile *objfile, |
558 | struct partial_symtab *pst, int global, | |
40658b94 | 559 | const char *name, domain_enum domain, |
2edb89d3 JK |
560 | symbol_compare_ftype *match, |
561 | symbol_compare_ftype *ordered_compare) | |
40658b94 PH |
562 | { |
563 | struct partial_symbol **start, **psym; | |
564 | struct partial_symbol **top, **real_top, **bottom, **center; | |
565 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
566 | int do_linear_search = 1; | |
567 | ||
568 | if (length == 0) | |
569 | return NULL; | |
570 | start = (global ? | |
af5bf4ad SM |
571 | &objfile->global_psymbols[pst->globals_offset] : |
572 | &objfile->static_psymbols[pst->statics_offset]); | |
40658b94 PH |
573 | |
574 | if (global && ordered_compare) /* Can use a binary search. */ | |
575 | { | |
576 | do_linear_search = 0; | |
577 | ||
578 | /* Binary search. This search is guaranteed to end with center | |
579 | pointing at the earliest partial symbol whose name might be | |
580 | correct. At that point *all* partial symbols with an | |
581 | appropriate name will be checked against the correct | |
582 | domain. */ | |
583 | ||
584 | bottom = start; | |
585 | top = start + length - 1; | |
586 | real_top = top; | |
587 | while (top > bottom) | |
588 | { | |
589 | center = bottom + (top - bottom) / 2; | |
590 | gdb_assert (center < top); | |
40658b94 PH |
591 | if (ordered_compare (SYMBOL_SEARCH_NAME (*center), name) >= 0) |
592 | top = center; | |
593 | else | |
594 | bottom = center + 1; | |
595 | } | |
596 | gdb_assert (top == bottom); | |
597 | ||
598 | while (top <= real_top | |
599 | && match (SYMBOL_SEARCH_NAME (*top), name) == 0) | |
600 | { | |
4186eb54 KS |
601 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*top), |
602 | SYMBOL_DOMAIN (*top), domain)) | |
40658b94 PH |
603 | return *top; |
604 | top++; | |
605 | } | |
606 | } | |
607 | ||
608 | /* Can't use a binary search or else we found during the binary search that | |
609 | we should also do a linear search. */ | |
610 | ||
611 | if (do_linear_search) | |
612 | { | |
613 | for (psym = start; psym < start + length; psym++) | |
614 | { | |
4186eb54 KS |
615 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym), |
616 | SYMBOL_DOMAIN (*psym), domain) | |
40658b94 PH |
617 | && match (SYMBOL_SEARCH_NAME (*psym), name) == 0) |
618 | return *psym; | |
619 | } | |
620 | } | |
621 | ||
622 | return NULL; | |
623 | } | |
624 | ||
c00f8484 KS |
625 | /* Returns the name used to search psymtabs. Unlike symtabs, psymtabs do |
626 | not contain any method/function instance information (since this would | |
627 | force reading type information while reading psymtabs). Therefore, | |
628 | if NAME contains overload information, it must be stripped before searching | |
109483d9 | 629 | psymtabs. */ |
c00f8484 | 630 | |
56f37645 | 631 | static gdb::unique_xmalloc_ptr<char> |
c00f8484 KS |
632 | psymtab_search_name (const char *name) |
633 | { | |
634 | switch (current_language->la_language) | |
635 | { | |
636 | case language_cplus: | |
c00f8484 | 637 | { |
b2a919a8 DE |
638 | if (strchr (name, '(')) |
639 | { | |
109483d9 | 640 | gdb::unique_xmalloc_ptr<char> ret = cp_remove_params (name); |
c00f8484 | 641 | |
b2a919a8 | 642 | if (ret) |
109483d9 | 643 | return ret; |
b2a919a8 | 644 | } |
c00f8484 KS |
645 | } |
646 | break; | |
647 | ||
648 | default: | |
649 | break; | |
650 | } | |
651 | ||
56f37645 | 652 | return gdb::unique_xmalloc_ptr<char> (xstrdup (name)); |
c00f8484 KS |
653 | } |
654 | ||
ccefe4c4 | 655 | /* Look, in partial_symtab PST, for symbol whose natural name is NAME. |
40658b94 | 656 | Check the global symbols if GLOBAL, the static symbols if not. */ |
ccefe4c4 | 657 | |
18430289 | 658 | static struct partial_symbol * |
5c80ed9d TT |
659 | lookup_partial_symbol (struct objfile *objfile, |
660 | struct partial_symtab *pst, const char *name, | |
ccefe4c4 TT |
661 | int global, domain_enum domain) |
662 | { | |
ccefe4c4 TT |
663 | struct partial_symbol **start, **psym; |
664 | struct partial_symbol **top, **real_top, **bottom, **center; | |
665 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
666 | int do_linear_search = 1; | |
667 | ||
668 | if (length == 0) | |
95cf5869 | 669 | return NULL; |
c00f8484 | 670 | |
56f37645 | 671 | gdb::unique_xmalloc_ptr<char> search_name = psymtab_search_name (name); |
ccefe4c4 | 672 | start = (global ? |
af5bf4ad SM |
673 | &objfile->global_psymbols[pst->globals_offset] : |
674 | &objfile->static_psymbols[pst->statics_offset]); | |
ccefe4c4 | 675 | |
0df8b418 | 676 | if (global) /* This means we can use a binary search. */ |
ccefe4c4 TT |
677 | { |
678 | do_linear_search = 0; | |
679 | ||
680 | /* Binary search. This search is guaranteed to end with center | |
681 | pointing at the earliest partial symbol whose name might be | |
682 | correct. At that point *all* partial symbols with an | |
683 | appropriate name will be checked against the correct | |
684 | domain. */ | |
685 | ||
686 | bottom = start; | |
687 | top = start + length - 1; | |
688 | real_top = top; | |
689 | while (top > bottom) | |
690 | { | |
691 | center = bottom + (top - bottom) / 2; | |
692 | if (!(center < top)) | |
3e43a32a MS |
693 | internal_error (__FILE__, __LINE__, |
694 | _("failed internal consistency check")); | |
c00f8484 | 695 | if (strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*center), |
56f37645 | 696 | search_name.get ()) >= 0) |
ccefe4c4 TT |
697 | { |
698 | top = center; | |
699 | } | |
700 | else | |
701 | { | |
702 | bottom = center + 1; | |
703 | } | |
704 | } | |
705 | if (!(top == bottom)) | |
3e43a32a MS |
706 | internal_error (__FILE__, __LINE__, |
707 | _("failed internal consistency check")); | |
ccefe4c4 | 708 | |
559a7a62 JK |
709 | /* For `case_sensitivity == case_sensitive_off' strcmp_iw_ordered will |
710 | search more exactly than what matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
56f37645 TT |
711 | while (top >= start && SYMBOL_MATCHES_SEARCH_NAME (*top, |
712 | search_name.get ())) | |
559a7a62 JK |
713 | top--; |
714 | ||
715 | /* Fixup to have a symbol which matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
716 | top++; | |
717 | ||
56f37645 TT |
718 | while (top <= real_top |
719 | && SYMBOL_MATCHES_SEARCH_NAME (*top, search_name.get ())) | |
ccefe4c4 | 720 | { |
4186eb54 KS |
721 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*top), |
722 | SYMBOL_DOMAIN (*top), domain)) | |
56f37645 | 723 | return *top; |
ccefe4c4 TT |
724 | top++; |
725 | } | |
726 | } | |
727 | ||
728 | /* Can't use a binary search or else we found during the binary search that | |
40658b94 | 729 | we should also do a linear search. */ |
ccefe4c4 TT |
730 | |
731 | if (do_linear_search) | |
732 | { | |
733 | for (psym = start; psym < start + length; psym++) | |
734 | { | |
4186eb54 KS |
735 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym), |
736 | SYMBOL_DOMAIN (*psym), domain) | |
56f37645 TT |
737 | && SYMBOL_MATCHES_SEARCH_NAME (*psym, search_name.get ())) |
738 | return *psym; | |
ccefe4c4 TT |
739 | } |
740 | } | |
741 | ||
95cf5869 | 742 | return NULL; |
ccefe4c4 TT |
743 | } |
744 | ||
745 | /* Get the symbol table that corresponds to a partial_symtab. | |
f194fefb DE |
746 | This is fast after the first time you do it. |
747 | The result will be NULL if the primary symtab has no symbols, | |
748 | which can happen. Otherwise the result is the primary symtab | |
749 | that contains PST. */ | |
ccefe4c4 | 750 | |
43f3e411 | 751 | static struct compunit_symtab * |
5c80ed9d | 752 | psymtab_to_symtab (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 753 | { |
9439a077 TT |
754 | /* If it is a shared psymtab, find an unshared psymtab that includes |
755 | it. Any such psymtab will do. */ | |
756 | while (pst->user != NULL) | |
757 | pst = pst->user; | |
758 | ||
0df8b418 | 759 | /* If it's been looked up before, return it. */ |
43f3e411 DE |
760 | if (pst->compunit_symtab) |
761 | return pst->compunit_symtab; | |
ccefe4c4 TT |
762 | |
763 | /* If it has not yet been read in, read it. */ | |
764 | if (!pst->readin) | |
765 | { | |
c83dd867 | 766 | scoped_restore decrementer = increment_reading_symtab (); |
ad3bbd48 | 767 | |
257e7a09 | 768 | (*pst->read_symtab) (pst, objfile); |
ccefe4c4 TT |
769 | } |
770 | ||
43f3e411 | 771 | return pst->compunit_symtab; |
ccefe4c4 TT |
772 | } |
773 | ||
95cf5869 DE |
774 | /* Psymtab version of relocate. See its definition in |
775 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 776 | |
ccefe4c4 | 777 | static void |
83827540 DE |
778 | psym_relocate (struct objfile *objfile, |
779 | const struct section_offsets *new_offsets, | |
780 | const struct section_offsets *delta) | |
ccefe4c4 TT |
781 | { |
782 | struct partial_symbol **psym; | |
783 | struct partial_symtab *p; | |
784 | ||
b11896a5 | 785 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) |
ccefe4c4 TT |
786 | { |
787 | p->textlow += ANOFFSET (delta, SECT_OFF_TEXT (objfile)); | |
788 | p->texthigh += ANOFFSET (delta, SECT_OFF_TEXT (objfile)); | |
789 | } | |
790 | ||
af5bf4ad | 791 | for (partial_symbol *psym : objfile->global_psymbols) |
ccefe4c4 | 792 | { |
af5bf4ad SM |
793 | fixup_psymbol_section (psym, objfile); |
794 | if (SYMBOL_SECTION (psym) >= 0) | |
795 | SYMBOL_VALUE_ADDRESS (psym) += ANOFFSET (delta, SYMBOL_SECTION (psym)); | |
ccefe4c4 | 796 | } |
af5bf4ad | 797 | for (partial_symbol *psym : objfile->static_psymbols) |
ccefe4c4 | 798 | { |
af5bf4ad SM |
799 | fixup_psymbol_section (psym, objfile); |
800 | if (SYMBOL_SECTION (psym) >= 0) | |
801 | SYMBOL_VALUE_ADDRESS (psym) += ANOFFSET (delta, SYMBOL_SECTION (psym)); | |
ccefe4c4 TT |
802 | } |
803 | } | |
804 | ||
95cf5869 DE |
805 | /* Psymtab version of find_last_source_symtab. See its definition in |
806 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 807 | |
ccefe4c4 | 808 | static struct symtab * |
83827540 | 809 | psym_find_last_source_symtab (struct objfile *ofp) |
ccefe4c4 | 810 | { |
ccefe4c4 | 811 | struct partial_symtab *ps; |
95cf5869 | 812 | struct partial_symtab *cs_pst = NULL; |
ccefe4c4 | 813 | |
b11896a5 | 814 | ALL_OBJFILE_PSYMTABS_REQUIRED (ofp, ps) |
ccefe4c4 TT |
815 | { |
816 | const char *name = ps->filename; | |
817 | int len = strlen (name); | |
ad3bbd48 | 818 | |
ccefe4c4 TT |
819 | if (!(len > 2 && (strcmp (&name[len - 2], ".h") == 0 |
820 | || strcmp (name, "<<C++-namespaces>>") == 0))) | |
821 | cs_pst = ps; | |
822 | } | |
823 | ||
824 | if (cs_pst) | |
825 | { | |
826 | if (cs_pst->readin) | |
827 | { | |
828 | internal_error (__FILE__, __LINE__, | |
829 | _("select_source_symtab: " | |
830 | "readin pst found and no symtabs.")); | |
831 | } | |
832 | else | |
43f3e411 DE |
833 | { |
834 | struct compunit_symtab *cust = psymtab_to_symtab (ofp, cs_pst); | |
835 | ||
836 | if (cust == NULL) | |
837 | return NULL; | |
838 | return compunit_primary_filetab (cust); | |
839 | } | |
ccefe4c4 TT |
840 | } |
841 | return NULL; | |
842 | } | |
843 | ||
95cf5869 DE |
844 | /* Psymtab version of forget_cached_source_info. See its definition in |
845 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 846 | |
ccefe4c4 | 847 | static void |
83827540 | 848 | psym_forget_cached_source_info (struct objfile *objfile) |
ccefe4c4 TT |
849 | { |
850 | struct partial_symtab *pst; | |
851 | ||
b11896a5 | 852 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
ccefe4c4 TT |
853 | { |
854 | if (pst->fullname != NULL) | |
855 | { | |
856 | xfree (pst->fullname); | |
857 | pst->fullname = NULL; | |
858 | } | |
859 | } | |
860 | } | |
861 | ||
862 | static void | |
863 | print_partial_symbols (struct gdbarch *gdbarch, | |
a121b7c1 | 864 | struct partial_symbol **p, int count, const char *what, |
ccefe4c4 TT |
865 | struct ui_file *outfile) |
866 | { | |
867 | fprintf_filtered (outfile, " %s partial symbols:\n", what); | |
868 | while (count-- > 0) | |
869 | { | |
27618ce4 | 870 | QUIT; |
ccefe4c4 TT |
871 | fprintf_filtered (outfile, " `%s'", SYMBOL_LINKAGE_NAME (*p)); |
872 | if (SYMBOL_DEMANGLED_NAME (*p) != NULL) | |
873 | { | |
874 | fprintf_filtered (outfile, " `%s'", SYMBOL_DEMANGLED_NAME (*p)); | |
875 | } | |
876 | fputs_filtered (", ", outfile); | |
877 | switch (SYMBOL_DOMAIN (*p)) | |
878 | { | |
879 | case UNDEF_DOMAIN: | |
880 | fputs_filtered ("undefined domain, ", outfile); | |
881 | break; | |
882 | case VAR_DOMAIN: | |
0df8b418 | 883 | /* This is the usual thing -- don't print it. */ |
ccefe4c4 TT |
884 | break; |
885 | case STRUCT_DOMAIN: | |
886 | fputs_filtered ("struct domain, ", outfile); | |
887 | break; | |
888 | case LABEL_DOMAIN: | |
889 | fputs_filtered ("label domain, ", outfile); | |
890 | break; | |
891 | default: | |
892 | fputs_filtered ("<invalid domain>, ", outfile); | |
893 | break; | |
894 | } | |
dbccfd4c | 895 | switch (PSYMBOL_CLASS (*p)) |
ccefe4c4 TT |
896 | { |
897 | case LOC_UNDEF: | |
898 | fputs_filtered ("undefined", outfile); | |
899 | break; | |
900 | case LOC_CONST: | |
901 | fputs_filtered ("constant int", outfile); | |
902 | break; | |
903 | case LOC_STATIC: | |
904 | fputs_filtered ("static", outfile); | |
905 | break; | |
906 | case LOC_REGISTER: | |
907 | fputs_filtered ("register", outfile); | |
908 | break; | |
909 | case LOC_ARG: | |
910 | fputs_filtered ("pass by value", outfile); | |
911 | break; | |
912 | case LOC_REF_ARG: | |
913 | fputs_filtered ("pass by reference", outfile); | |
914 | break; | |
915 | case LOC_REGPARM_ADDR: | |
916 | fputs_filtered ("register address parameter", outfile); | |
917 | break; | |
918 | case LOC_LOCAL: | |
919 | fputs_filtered ("stack parameter", outfile); | |
920 | break; | |
921 | case LOC_TYPEDEF: | |
922 | fputs_filtered ("type", outfile); | |
923 | break; | |
924 | case LOC_LABEL: | |
925 | fputs_filtered ("label", outfile); | |
926 | break; | |
927 | case LOC_BLOCK: | |
928 | fputs_filtered ("function", outfile); | |
929 | break; | |
930 | case LOC_CONST_BYTES: | |
931 | fputs_filtered ("constant bytes", outfile); | |
932 | break; | |
933 | case LOC_UNRESOLVED: | |
934 | fputs_filtered ("unresolved", outfile); | |
935 | break; | |
936 | case LOC_OPTIMIZED_OUT: | |
937 | fputs_filtered ("optimized out", outfile); | |
938 | break; | |
939 | case LOC_COMPUTED: | |
940 | fputs_filtered ("computed at runtime", outfile); | |
941 | break; | |
942 | default: | |
943 | fputs_filtered ("<invalid location>", outfile); | |
944 | break; | |
945 | } | |
946 | fputs_filtered (", ", outfile); | |
947 | fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (*p)), outfile); | |
948 | fprintf_filtered (outfile, "\n"); | |
949 | p++; | |
950 | } | |
951 | } | |
952 | ||
953 | static void | |
954 | dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab, | |
955 | struct ui_file *outfile) | |
956 | { | |
957 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
958 | int i; | |
959 | ||
b4c41fc7 DE |
960 | if (psymtab->anonymous) |
961 | { | |
962 | fprintf_filtered (outfile, "\nAnonymous partial symtab (%s) ", | |
963 | psymtab->filename); | |
964 | } | |
965 | else | |
966 | { | |
967 | fprintf_filtered (outfile, "\nPartial symtab for source file %s ", | |
968 | psymtab->filename); | |
969 | } | |
ccefe4c4 TT |
970 | fprintf_filtered (outfile, "(object "); |
971 | gdb_print_host_address (psymtab, outfile); | |
972 | fprintf_filtered (outfile, ")\n\n"); | |
973 | fprintf_unfiltered (outfile, " Read from object file %s (", | |
4262abfb | 974 | objfile_name (objfile)); |
ccefe4c4 TT |
975 | gdb_print_host_address (objfile, outfile); |
976 | fprintf_unfiltered (outfile, ")\n"); | |
977 | ||
978 | if (psymtab->readin) | |
979 | { | |
980 | fprintf_filtered (outfile, | |
981 | " Full symtab was read (at "); | |
43f3e411 | 982 | gdb_print_host_address (psymtab->compunit_symtab, outfile); |
ccefe4c4 TT |
983 | fprintf_filtered (outfile, " by function at "); |
984 | gdb_print_host_address (psymtab->read_symtab, outfile); | |
985 | fprintf_filtered (outfile, ")\n"); | |
986 | } | |
987 | ||
ccefe4c4 TT |
988 | fprintf_filtered (outfile, " Symbols cover text addresses "); |
989 | fputs_filtered (paddress (gdbarch, psymtab->textlow), outfile); | |
990 | fprintf_filtered (outfile, "-"); | |
991 | fputs_filtered (paddress (gdbarch, psymtab->texthigh), outfile); | |
992 | fprintf_filtered (outfile, "\n"); | |
9750bca9 JK |
993 | fprintf_filtered (outfile, " Address map supported - %s.\n", |
994 | psymtab->psymtabs_addrmap_supported ? "yes" : "no"); | |
ccefe4c4 TT |
995 | fprintf_filtered (outfile, " Depends on %d other partial symtabs.\n", |
996 | psymtab->number_of_dependencies); | |
997 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
998 | { | |
999 | fprintf_filtered (outfile, " %d ", i); | |
1000 | gdb_print_host_address (psymtab->dependencies[i], outfile); | |
1001 | fprintf_filtered (outfile, " %s\n", | |
1002 | psymtab->dependencies[i]->filename); | |
1003 | } | |
9439a077 TT |
1004 | if (psymtab->user != NULL) |
1005 | { | |
1006 | fprintf_filtered (outfile, " Shared partial symtab with user "); | |
1007 | gdb_print_host_address (psymtab->user, outfile); | |
1008 | fprintf_filtered (outfile, "\n"); | |
1009 | } | |
ccefe4c4 TT |
1010 | if (psymtab->n_global_syms > 0) |
1011 | { | |
1012 | print_partial_symbols (gdbarch, | |
af5bf4ad | 1013 | &objfile->global_psymbols[psymtab->globals_offset], |
ccefe4c4 TT |
1014 | psymtab->n_global_syms, "Global", outfile); |
1015 | } | |
1016 | if (psymtab->n_static_syms > 0) | |
1017 | { | |
1018 | print_partial_symbols (gdbarch, | |
af5bf4ad | 1019 | &objfile->static_psymbols[psymtab->statics_offset], |
ccefe4c4 TT |
1020 | psymtab->n_static_syms, "Static", outfile); |
1021 | } | |
1022 | fprintf_filtered (outfile, "\n"); | |
1023 | } | |
1024 | ||
95cf5869 DE |
1025 | /* Psymtab version of print_stats. See its definition in |
1026 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1027 | |
ccefe4c4 | 1028 | static void |
83827540 | 1029 | psym_print_stats (struct objfile *objfile) |
ccefe4c4 TT |
1030 | { |
1031 | int i; | |
1032 | struct partial_symtab *ps; | |
ad3bbd48 | 1033 | |
ccefe4c4 | 1034 | i = 0; |
b11896a5 | 1035 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1036 | { |
1037 | if (ps->readin == 0) | |
1038 | i++; | |
1039 | } | |
1040 | printf_filtered (_(" Number of psym tables (not yet expanded): %d\n"), i); | |
1041 | } | |
1042 | ||
95cf5869 DE |
1043 | /* Psymtab version of dump. See its definition in |
1044 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1045 | |
ccefe4c4 | 1046 | static void |
83827540 | 1047 | psym_dump (struct objfile *objfile) |
ccefe4c4 TT |
1048 | { |
1049 | struct partial_symtab *psymtab; | |
1050 | ||
1051 | if (objfile->psymtabs) | |
1052 | { | |
1053 | printf_filtered ("Psymtabs:\n"); | |
1054 | for (psymtab = objfile->psymtabs; | |
1055 | psymtab != NULL; | |
1056 | psymtab = psymtab->next) | |
1057 | { | |
1058 | printf_filtered ("%s at ", | |
1059 | psymtab->filename); | |
1060 | gdb_print_host_address (psymtab, gdb_stdout); | |
1061 | printf_filtered (", "); | |
ccefe4c4 TT |
1062 | wrap_here (" "); |
1063 | } | |
1064 | printf_filtered ("\n\n"); | |
1065 | } | |
1066 | } | |
1067 | ||
95cf5869 DE |
1068 | /* Psymtab version of expand_symtabs_for_function. See its definition in |
1069 | the definition of quick_symbol_functions in symfile.h. */ | |
ccefe4c4 TT |
1070 | |
1071 | static void | |
83827540 DE |
1072 | psym_expand_symtabs_for_function (struct objfile *objfile, |
1073 | const char *func_name) | |
ccefe4c4 TT |
1074 | { |
1075 | struct partial_symtab *ps; | |
1076 | ||
b11896a5 | 1077 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1078 | { |
1079 | if (ps->readin) | |
1080 | continue; | |
1081 | ||
5c80ed9d | 1082 | if ((lookup_partial_symbol (objfile, ps, func_name, 1, VAR_DOMAIN) |
ccefe4c4 | 1083 | != NULL) |
5c80ed9d | 1084 | || (lookup_partial_symbol (objfile, ps, func_name, 0, VAR_DOMAIN) |
ccefe4c4 | 1085 | != NULL)) |
5c80ed9d | 1086 | psymtab_to_symtab (objfile, ps); |
ccefe4c4 TT |
1087 | } |
1088 | } | |
1089 | ||
95cf5869 DE |
1090 | /* Psymtab version of expand_all_symtabs. See its definition in |
1091 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1092 | |
ccefe4c4 | 1093 | static void |
83827540 | 1094 | psym_expand_all_symtabs (struct objfile *objfile) |
ccefe4c4 TT |
1095 | { |
1096 | struct partial_symtab *psymtab; | |
1097 | ||
b11896a5 | 1098 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab) |
ccefe4c4 | 1099 | { |
5c80ed9d | 1100 | psymtab_to_symtab (objfile, psymtab); |
ccefe4c4 TT |
1101 | } |
1102 | } | |
1103 | ||
95cf5869 DE |
1104 | /* Psymtab version of expand_symtabs_with_fullname. See its definition in |
1105 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1106 | |
ccefe4c4 | 1107 | static void |
83827540 DE |
1108 | psym_expand_symtabs_with_fullname (struct objfile *objfile, |
1109 | const char *fullname) | |
ccefe4c4 TT |
1110 | { |
1111 | struct partial_symtab *p; | |
1112 | ||
b11896a5 | 1113 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) |
ccefe4c4 | 1114 | { |
b4c41fc7 DE |
1115 | /* Anonymous psymtabs don't have a name of a source file. */ |
1116 | if (p->anonymous) | |
1117 | continue; | |
1118 | ||
5ff888ce DE |
1119 | /* psymtab_to_fullname tries to open the file which is slow. |
1120 | Don't call it if we know the basenames don't match. */ | |
1121 | if ((basenames_may_differ | |
1122 | || filename_cmp (lbasename (fullname), lbasename (p->filename)) == 0) | |
1123 | && filename_cmp (fullname, psymtab_to_fullname (p)) == 0) | |
5c80ed9d | 1124 | psymtab_to_symtab (objfile, p); |
ccefe4c4 TT |
1125 | } |
1126 | } | |
1127 | ||
95cf5869 DE |
1128 | /* Psymtab version of map_symbol_filenames. See its definition in |
1129 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1130 | |
ccefe4c4 | 1131 | static void |
83827540 DE |
1132 | psym_map_symbol_filenames (struct objfile *objfile, |
1133 | symbol_filename_ftype *fun, void *data, | |
1134 | int need_fullname) | |
ccefe4c4 TT |
1135 | { |
1136 | struct partial_symtab *ps; | |
1137 | ||
b11896a5 | 1138 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1139 | { |
1140 | const char *fullname; | |
1141 | ||
1142 | if (ps->readin) | |
1143 | continue; | |
1144 | ||
f80c6f3f DE |
1145 | /* We can skip shared psymtabs here, because any file name will be |
1146 | attached to the unshared psymtab. */ | |
1147 | if (ps->user != NULL) | |
1148 | continue; | |
1149 | ||
b4c41fc7 DE |
1150 | /* Anonymous psymtabs don't have a file name. */ |
1151 | if (ps->anonymous) | |
1152 | continue; | |
1153 | ||
821296b7 | 1154 | QUIT; |
74e2f255 DE |
1155 | if (need_fullname) |
1156 | fullname = psymtab_to_fullname (ps); | |
1157 | else | |
1158 | fullname = NULL; | |
2837d59e | 1159 | (*fun) (ps->filename, fullname, data); |
ccefe4c4 TT |
1160 | } |
1161 | } | |
1162 | ||
ccefe4c4 TT |
1163 | /* Finds the fullname that a partial_symtab represents. |
1164 | ||
1165 | If this functions finds the fullname, it will save it in ps->fullname | |
1166 | and it will also return the value. | |
1167 | ||
1168 | If this function fails to find the file that this partial_symtab represents, | |
1169 | NULL will be returned and ps->fullname will be set to NULL. */ | |
256f06f3 | 1170 | |
da5132d3 | 1171 | static const char * |
ccefe4c4 TT |
1172 | psymtab_to_fullname (struct partial_symtab *ps) |
1173 | { | |
fbd9ab74 | 1174 | gdb_assert (!ps->anonymous); |
ccefe4c4 | 1175 | |
256f06f3 DE |
1176 | /* Use cached copy if we have it. |
1177 | We rely on forget_cached_source_info being called appropriately | |
1178 | to handle cases like the file being moved. */ | |
fbd9ab74 JK |
1179 | if (ps->fullname == NULL) |
1180 | { | |
1181 | int fd = find_and_open_source (ps->filename, ps->dirname, &ps->fullname); | |
256f06f3 | 1182 | |
fbd9ab74 JK |
1183 | if (fd >= 0) |
1184 | close (fd); | |
1185 | else | |
1186 | { | |
0b581c69 | 1187 | gdb::unique_xmalloc_ptr<char> fullname; |
ccefe4c4 | 1188 | |
fbd9ab74 JK |
1189 | /* rewrite_source_path would be applied by find_and_open_source, we |
1190 | should report the pathname where GDB tried to find the file. */ | |
ccefe4c4 | 1191 | |
fbd9ab74 | 1192 | if (ps->dirname == NULL || IS_ABSOLUTE_PATH (ps->filename)) |
0b581c69 | 1193 | fullname.reset (xstrdup (ps->filename)); |
fbd9ab74 | 1194 | else |
0b581c69 TT |
1195 | fullname.reset (concat (ps->dirname, SLASH_STRING, |
1196 | ps->filename, (char *) NULL)); | |
fbd9ab74 | 1197 | |
0b581c69 | 1198 | ps->fullname = rewrite_source_path (fullname.get ()).release (); |
fbd9ab74 | 1199 | if (ps->fullname == NULL) |
0b581c69 | 1200 | ps->fullname = fullname.release (); |
fbd9ab74 | 1201 | } |
95cf5869 | 1202 | } |
fbd9ab74 JK |
1203 | |
1204 | return ps->fullname; | |
ccefe4c4 TT |
1205 | } |
1206 | ||
95cf5869 DE |
1207 | /* For all symbols, s, in BLOCK that are in DOMAIN and match NAME |
1208 | according to the function MATCH, call CALLBACK(BLOCK, s, DATA). | |
1209 | BLOCK is assumed to come from OBJFILE. Returns 1 iff CALLBACK | |
1210 | ever returns non-zero, and otherwise returns 0. */ | |
ccefe4c4 | 1211 | |
40658b94 | 1212 | static int |
fe978cb0 | 1213 | map_block (const char *name, domain_enum domain, struct objfile *objfile, |
40658b94 PH |
1214 | struct block *block, |
1215 | int (*callback) (struct block *, struct symbol *, void *), | |
2edb89d3 | 1216 | void *data, symbol_compare_ftype *match) |
ccefe4c4 | 1217 | { |
8157b174 | 1218 | struct block_iterator iter; |
40658b94 | 1219 | struct symbol *sym; |
ccefe4c4 | 1220 | |
8157b174 TT |
1221 | for (sym = block_iter_match_first (block, name, match, &iter); |
1222 | sym != NULL; sym = block_iter_match_next (name, match, &iter)) | |
ccefe4c4 | 1223 | { |
95cf5869 | 1224 | if (symbol_matches_domain (SYMBOL_LANGUAGE (sym), |
fe978cb0 | 1225 | SYMBOL_DOMAIN (sym), domain)) |
40658b94 PH |
1226 | { |
1227 | if (callback (block, sym, data)) | |
1228 | return 1; | |
1229 | } | |
ccefe4c4 TT |
1230 | } |
1231 | ||
40658b94 | 1232 | return 0; |
ccefe4c4 TT |
1233 | } |
1234 | ||
95cf5869 DE |
1235 | /* Psymtab version of map_matching_symbols. See its definition in |
1236 | the definition of quick_symbol_functions in symfile.h. */ | |
40658b94 | 1237 | |
ccefe4c4 | 1238 | static void |
83827540 | 1239 | psym_map_matching_symbols (struct objfile *objfile, |
fe978cb0 | 1240 | const char *name, domain_enum domain, |
83827540 DE |
1241 | int global, |
1242 | int (*callback) (struct block *, | |
1243 | struct symbol *, void *), | |
1244 | void *data, | |
1245 | symbol_compare_ftype *match, | |
1246 | symbol_compare_ftype *ordered_compare) | |
ccefe4c4 | 1247 | { |
40658b94 | 1248 | const int block_kind = global ? GLOBAL_BLOCK : STATIC_BLOCK; |
ccefe4c4 TT |
1249 | struct partial_symtab *ps; |
1250 | ||
b11896a5 | 1251 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1252 | { |
1253 | QUIT; | |
1254 | if (ps->readin | |
fe978cb0 | 1255 | || match_partial_symbol (objfile, ps, global, name, domain, match, |
40658b94 | 1256 | ordered_compare)) |
ccefe4c4 | 1257 | { |
43f3e411 | 1258 | struct compunit_symtab *cust = psymtab_to_symtab (objfile, ps); |
40658b94 | 1259 | struct block *block; |
ad3bbd48 | 1260 | |
43f3e411 | 1261 | if (cust == NULL) |
ccefe4c4 | 1262 | continue; |
43f3e411 | 1263 | block = BLOCKVECTOR_BLOCK (COMPUNIT_BLOCKVECTOR (cust), block_kind); |
fe978cb0 | 1264 | if (map_block (name, domain, objfile, block, |
40658b94 PH |
1265 | callback, data, match)) |
1266 | return; | |
1267 | if (callback (block, NULL, data)) | |
1268 | return; | |
ccefe4c4 TT |
1269 | } |
1270 | } | |
95cf5869 | 1271 | } |
ccefe4c4 | 1272 | |
14bc53a8 PA |
1273 | /* A helper for psym_expand_symtabs_matching that handles searching |
1274 | included psymtabs. This returns true if a symbol is found, and | |
1275 | false otherwise. It also updates the 'searched_flag' on the | |
9439a077 TT |
1276 | various psymtabs that it searches. */ |
1277 | ||
14bc53a8 PA |
1278 | static bool |
1279 | recursively_search_psymtabs | |
1280 | (struct partial_symtab *ps, struct objfile *objfile, enum search_domain kind, | |
1281 | gdb::function_view<expand_symtabs_symbol_matcher_ftype> sym_matcher) | |
9439a077 | 1282 | { |
9439a077 | 1283 | int keep_going = 1; |
f486487f | 1284 | enum psymtab_search_status result = PST_SEARCHED_AND_NOT_FOUND; |
9439a077 TT |
1285 | int i; |
1286 | ||
1287 | if (ps->searched_flag != PST_NOT_SEARCHED) | |
1288 | return ps->searched_flag == PST_SEARCHED_AND_FOUND; | |
1289 | ||
1290 | /* Recurse into shared psymtabs first, because they may have already | |
1291 | been searched, and this could save some time. */ | |
1292 | for (i = 0; i < ps->number_of_dependencies; ++i) | |
1293 | { | |
1294 | int r; | |
1295 | ||
1296 | /* Skip non-shared dependencies, these are handled elsewhere. */ | |
1297 | if (ps->dependencies[i]->user == NULL) | |
1298 | continue; | |
1299 | ||
1300 | r = recursively_search_psymtabs (ps->dependencies[i], | |
14bc53a8 | 1301 | objfile, kind, sym_matcher); |
9439a077 TT |
1302 | if (r != 0) |
1303 | { | |
1304 | ps->searched_flag = PST_SEARCHED_AND_FOUND; | |
14bc53a8 | 1305 | return true; |
9439a077 TT |
1306 | } |
1307 | } | |
1308 | ||
af5bf4ad SM |
1309 | partial_symbol **gbound |
1310 | = &objfile->global_psymbols[ps->globals_offset + ps->n_global_syms]; | |
1311 | partial_symbol **sbound | |
1312 | = &objfile->static_psymbols[ps->statics_offset + ps->n_static_syms]; | |
1313 | partial_symbol **bound = gbound; | |
9439a077 TT |
1314 | |
1315 | /* Go through all of the symbols stored in a partial | |
1316 | symtab in one loop. */ | |
af5bf4ad | 1317 | partial_symbol **psym = &objfile->global_psymbols[ps->globals_offset]; |
9439a077 TT |
1318 | while (keep_going) |
1319 | { | |
1320 | if (psym >= bound) | |
1321 | { | |
1322 | if (bound == gbound && ps->n_static_syms != 0) | |
1323 | { | |
af5bf4ad | 1324 | psym = &objfile->static_psymbols[ps->statics_offset]; |
9439a077 TT |
1325 | bound = sbound; |
1326 | } | |
1327 | else | |
1328 | keep_going = 0; | |
1329 | continue; | |
1330 | } | |
1331 | else | |
1332 | { | |
1333 | QUIT; | |
1334 | ||
1335 | if ((kind == ALL_DOMAIN | |
1336 | || (kind == VARIABLES_DOMAIN | |
dbccfd4c TT |
1337 | && PSYMBOL_CLASS (*psym) != LOC_TYPEDEF |
1338 | && PSYMBOL_CLASS (*psym) != LOC_BLOCK) | |
9439a077 | 1339 | || (kind == FUNCTIONS_DOMAIN |
dbccfd4c | 1340 | && PSYMBOL_CLASS (*psym) == LOC_BLOCK) |
9439a077 | 1341 | || (kind == TYPES_DOMAIN |
dbccfd4c | 1342 | && PSYMBOL_CLASS (*psym) == LOC_TYPEDEF)) |
14bc53a8 | 1343 | && sym_matcher (SYMBOL_SEARCH_NAME (*psym))) |
9439a077 TT |
1344 | { |
1345 | /* Found a match, so notify our caller. */ | |
1346 | result = PST_SEARCHED_AND_FOUND; | |
1347 | keep_going = 0; | |
1348 | } | |
1349 | } | |
1350 | psym++; | |
1351 | } | |
1352 | ||
1353 | ps->searched_flag = result; | |
1354 | return result == PST_SEARCHED_AND_FOUND; | |
1355 | } | |
1356 | ||
95cf5869 DE |
1357 | /* Psymtab version of expand_symtabs_matching. See its definition in |
1358 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1359 | |
ccefe4c4 | 1360 | static void |
83827540 | 1361 | psym_expand_symtabs_matching |
f8eba3c6 | 1362 | (struct objfile *objfile, |
14bc53a8 PA |
1363 | gdb::function_view<expand_symtabs_file_matcher_ftype> file_matcher, |
1364 | gdb::function_view<expand_symtabs_symbol_matcher_ftype> symbol_matcher, | |
1365 | gdb::function_view<expand_symtabs_exp_notify_ftype> expansion_notify, | |
1366 | enum search_domain kind) | |
ccefe4c4 TT |
1367 | { |
1368 | struct partial_symtab *ps; | |
1369 | ||
9439a077 | 1370 | /* Clear the search flags. */ |
b11896a5 | 1371 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 | 1372 | { |
9439a077 TT |
1373 | ps->searched_flag = PST_NOT_SEARCHED; |
1374 | } | |
ccefe4c4 | 1375 | |
9439a077 TT |
1376 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
1377 | { | |
30b3dd9d DE |
1378 | QUIT; |
1379 | ||
ccefe4c4 TT |
1380 | if (ps->readin) |
1381 | continue; | |
1382 | ||
9439a077 TT |
1383 | /* We skip shared psymtabs because file-matching doesn't apply |
1384 | to them; but we search them later in the loop. */ | |
1385 | if (ps->user != NULL) | |
ccefe4c4 TT |
1386 | continue; |
1387 | ||
b4c41fc7 DE |
1388 | if (file_matcher) |
1389 | { | |
14bc53a8 | 1390 | bool match; |
680d1742 | 1391 | |
b4c41fc7 DE |
1392 | if (ps->anonymous) |
1393 | continue; | |
fbd9ab74 | 1394 | |
14bc53a8 | 1395 | match = file_matcher (ps->filename, false); |
680d1742 DE |
1396 | if (!match) |
1397 | { | |
1398 | /* Before we invoke realpath, which can get expensive when many | |
1399 | files are involved, do a quick comparison of the basenames. */ | |
1400 | if (basenames_may_differ | |
14bc53a8 PA |
1401 | || file_matcher (lbasename (ps->filename), true)) |
1402 | match = file_matcher (psymtab_to_fullname (ps), false); | |
680d1742 DE |
1403 | } |
1404 | if (!match) | |
b4c41fc7 DE |
1405 | continue; |
1406 | } | |
ccefe4c4 | 1407 | |
14bc53a8 | 1408 | if (recursively_search_psymtabs (ps, objfile, kind, symbol_matcher)) |
276d885b GB |
1409 | { |
1410 | struct compunit_symtab *symtab = | |
1411 | psymtab_to_symtab (objfile, ps); | |
1412 | ||
1413 | if (expansion_notify != NULL) | |
14bc53a8 | 1414 | expansion_notify (symtab); |
276d885b | 1415 | } |
ccefe4c4 TT |
1416 | } |
1417 | } | |
1418 | ||
95cf5869 DE |
1419 | /* Psymtab version of has_symbols. See its definition in |
1420 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1421 | |
ccefe4c4 | 1422 | static int |
83827540 | 1423 | psym_has_symbols (struct objfile *objfile) |
ccefe4c4 TT |
1424 | { |
1425 | return objfile->psymtabs != NULL; | |
1426 | } | |
1427 | ||
1428 | const struct quick_symbol_functions psym_functions = | |
1429 | { | |
83827540 DE |
1430 | psym_has_symbols, |
1431 | psym_find_last_source_symtab, | |
1432 | psym_forget_cached_source_info, | |
1433 | psym_map_symtabs_matching_filename, | |
1434 | psym_lookup_symbol, | |
1435 | psym_print_stats, | |
1436 | psym_dump, | |
1437 | psym_relocate, | |
1438 | psym_expand_symtabs_for_function, | |
1439 | psym_expand_all_symtabs, | |
1440 | psym_expand_symtabs_with_fullname, | |
1441 | psym_map_matching_symbols, | |
1442 | psym_expand_symtabs_matching, | |
1443 | psym_find_pc_sect_compunit_symtab, | |
1444 | psym_map_symbol_filenames | |
ccefe4c4 TT |
1445 | }; |
1446 | ||
1447 | \f | |
1448 | ||
8763cede | 1449 | static void |
5c80ed9d | 1450 | sort_pst_symbols (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 1451 | { |
0df8b418 | 1452 | /* Sort the global list; don't sort the static list. */ |
af5bf4ad SM |
1453 | auto begin = objfile->global_psymbols.begin (); |
1454 | std::advance (begin, pst->globals_offset); | |
1455 | ||
1456 | /* The psymbols for this partial_symtab are currently at the end of the | |
1457 | vector. */ | |
1458 | auto end = objfile->global_psymbols.end (); | |
ccefe4c4 | 1459 | |
af5bf4ad SM |
1460 | std::sort (begin, end, [] (partial_symbol *s1, partial_symbol *s2) |
1461 | { | |
1462 | return strcmp_iw_ordered (SYMBOL_SEARCH_NAME (s1), | |
1463 | SYMBOL_SEARCH_NAME (s2)) < 0; | |
1464 | }); | |
ccefe4c4 TT |
1465 | } |
1466 | ||
1467 | /* Allocate and partially fill a partial symtab. It will be | |
1468 | completely filled at the end of the symbol list. | |
1469 | ||
0df8b418 | 1470 | FILENAME is the name of the symbol-file we are reading from. */ |
ccefe4c4 TT |
1471 | |
1472 | struct partial_symtab * | |
1473 | start_psymtab_common (struct objfile *objfile, | |
ccefe4c4 | 1474 | const char *filename, |
af5bf4ad SM |
1475 | CORE_ADDR textlow, |
1476 | std::vector<partial_symbol *> &global_psymbols, | |
1477 | std::vector<partial_symbol *> &static_psymbols) | |
ccefe4c4 TT |
1478 | { |
1479 | struct partial_symtab *psymtab; | |
1480 | ||
1481 | psymtab = allocate_psymtab (filename, objfile); | |
ccefe4c4 TT |
1482 | psymtab->textlow = textlow; |
1483 | psymtab->texthigh = psymtab->textlow; /* default */ | |
af5bf4ad SM |
1484 | psymtab->globals_offset = global_psymbols.size (); |
1485 | psymtab->statics_offset = static_psymbols.size (); | |
95cf5869 | 1486 | return psymtab; |
ccefe4c4 TT |
1487 | } |
1488 | ||
8763cede DE |
1489 | /* Perform "finishing up" operations of a partial symtab. */ |
1490 | ||
1491 | void | |
1492 | end_psymtab_common (struct objfile *objfile, struct partial_symtab *pst) | |
1493 | { | |
af5bf4ad SM |
1494 | pst->n_global_syms = objfile->global_psymbols.size () - pst->globals_offset; |
1495 | pst->n_static_syms = objfile->static_psymbols.size () - pst->statics_offset; | |
8763cede DE |
1496 | |
1497 | sort_pst_symbols (objfile, pst); | |
1498 | } | |
1499 | ||
cbd70537 SW |
1500 | /* Calculate a hash code for the given partial symbol. The hash is |
1501 | calculated using the symbol's value, language, domain, class | |
0df8b418 | 1502 | and name. These are the values which are set by |
cbd70537 SW |
1503 | add_psymbol_to_bcache. */ |
1504 | ||
710e1a31 | 1505 | static unsigned long |
cbd70537 SW |
1506 | psymbol_hash (const void *addr, int length) |
1507 | { | |
1508 | unsigned long h = 0; | |
1509 | struct partial_symbol *psymbol = (struct partial_symbol *) addr; | |
1510 | unsigned int lang = psymbol->ginfo.language; | |
1511 | unsigned int domain = PSYMBOL_DOMAIN (psymbol); | |
fe978cb0 | 1512 | unsigned int theclass = PSYMBOL_CLASS (psymbol); |
cbd70537 SW |
1513 | |
1514 | h = hash_continue (&psymbol->ginfo.value, sizeof (psymbol->ginfo.value), h); | |
1515 | h = hash_continue (&lang, sizeof (unsigned int), h); | |
1516 | h = hash_continue (&domain, sizeof (unsigned int), h); | |
fe978cb0 | 1517 | h = hash_continue (&theclass, sizeof (unsigned int), h); |
cbd70537 SW |
1518 | h = hash_continue (psymbol->ginfo.name, strlen (psymbol->ginfo.name), h); |
1519 | ||
1520 | return h; | |
1521 | } | |
1522 | ||
1523 | /* Returns true if the symbol at addr1 equals the symbol at addr2. | |
1524 | For the comparison this function uses a symbols value, | |
1525 | language, domain, class and name. */ | |
1526 | ||
710e1a31 | 1527 | static int |
cbd70537 SW |
1528 | psymbol_compare (const void *addr1, const void *addr2, int length) |
1529 | { | |
1530 | struct partial_symbol *sym1 = (struct partial_symbol *) addr1; | |
1531 | struct partial_symbol *sym2 = (struct partial_symbol *) addr2; | |
1532 | ||
3e611445 | 1533 | return (memcmp (&sym1->ginfo.value, &sym2->ginfo.value, |
cbd70537 SW |
1534 | sizeof (sym1->ginfo.value)) == 0 |
1535 | && sym1->ginfo.language == sym2->ginfo.language | |
1536 | && PSYMBOL_DOMAIN (sym1) == PSYMBOL_DOMAIN (sym2) | |
1537 | && PSYMBOL_CLASS (sym1) == PSYMBOL_CLASS (sym2) | |
1538 | && sym1->ginfo.name == sym2->ginfo.name); | |
1539 | } | |
1540 | ||
710e1a31 SW |
1541 | /* Initialize a partial symbol bcache. */ |
1542 | ||
1543 | struct psymbol_bcache * | |
1544 | psymbol_bcache_init (void) | |
1545 | { | |
fc270c35 | 1546 | struct psymbol_bcache *bcache = XCNEW (struct psymbol_bcache); |
95cf5869 | 1547 | |
710e1a31 SW |
1548 | bcache->bcache = bcache_xmalloc (psymbol_hash, psymbol_compare); |
1549 | return bcache; | |
1550 | } | |
1551 | ||
1552 | /* Free a partial symbol bcache. */ | |
95cf5869 | 1553 | |
710e1a31 SW |
1554 | void |
1555 | psymbol_bcache_free (struct psymbol_bcache *bcache) | |
1556 | { | |
1557 | if (bcache == NULL) | |
1558 | return; | |
1559 | ||
1560 | bcache_xfree (bcache->bcache); | |
1561 | xfree (bcache); | |
1562 | } | |
1563 | ||
0df8b418 | 1564 | /* Return the internal bcache of the psymbol_bcache BCACHE. */ |
710e1a31 SW |
1565 | |
1566 | struct bcache * | |
1567 | psymbol_bcache_get_bcache (struct psymbol_bcache *bcache) | |
1568 | { | |
1569 | return bcache->bcache; | |
1570 | } | |
1571 | ||
1572 | /* Find a copy of the SYM in BCACHE. If BCACHE has never seen this | |
1573 | symbol before, add a copy to BCACHE. In either case, return a pointer | |
1574 | to BCACHE's copy of the symbol. If optional ADDED is not NULL, return | |
1575 | 1 in case of new entry or 0 if returning an old entry. */ | |
1576 | ||
af5bf4ad | 1577 | static struct partial_symbol * |
710e1a31 SW |
1578 | psymbol_bcache_full (struct partial_symbol *sym, |
1579 | struct psymbol_bcache *bcache, | |
1580 | int *added) | |
1581 | { | |
af5bf4ad | 1582 | return ((struct partial_symbol *) |
19ba03f4 SM |
1583 | bcache_full (sym, sizeof (struct partial_symbol), bcache->bcache, |
1584 | added)); | |
710e1a31 SW |
1585 | } |
1586 | ||
95cf5869 | 1587 | /* Helper function, initialises partial symbol structure and stashes |
ccefe4c4 TT |
1588 | it into objfile's bcache. Note that our caching mechanism will |
1589 | use all fields of struct partial_symbol to determine hash value of the | |
1590 | structure. In other words, having two symbols with the same name but | |
1591 | different domain (or address) is possible and correct. */ | |
1592 | ||
af5bf4ad | 1593 | static struct partial_symbol * |
72b9f47f | 1594 | add_psymbol_to_bcache (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1595 | domain_enum domain, |
fe978cb0 | 1596 | enum address_class theclass, |
1762568f | 1597 | CORE_ADDR coreaddr, |
ccefe4c4 TT |
1598 | enum language language, struct objfile *objfile, |
1599 | int *added) | |
1600 | { | |
cbd70537 SW |
1601 | struct partial_symbol psymbol; |
1602 | ||
f85f34ed TT |
1603 | /* We must ensure that the entire struct has been zeroed before |
1604 | assigning to it, because an assignment may not touch some of the | |
1605 | holes. */ | |
1606 | memset (&psymbol, 0, sizeof (psymbol)); | |
fc956729 | 1607 | |
1762568f | 1608 | SYMBOL_VALUE_ADDRESS (&psymbol) = coreaddr; |
e27d198c | 1609 | SYMBOL_SECTION (&psymbol) = -1; |
f85f34ed | 1610 | SYMBOL_SET_LANGUAGE (&psymbol, language, &objfile->objfile_obstack); |
ccefe4c4 | 1611 | PSYMBOL_DOMAIN (&psymbol) = domain; |
fe978cb0 | 1612 | PSYMBOL_CLASS (&psymbol) = theclass; |
ccefe4c4 TT |
1613 | |
1614 | SYMBOL_SET_NAMES (&psymbol, name, namelength, copy_name, objfile); | |
1615 | ||
0df8b418 | 1616 | /* Stash the partial symbol away in the cache. */ |
95cf5869 | 1617 | return psymbol_bcache_full (&psymbol, objfile->psymbol_cache, added); |
ccefe4c4 TT |
1618 | } |
1619 | ||
95cf5869 | 1620 | /* Helper function, adds partial symbol to the given partial symbol list. */ |
ccefe4c4 TT |
1621 | |
1622 | static void | |
af5bf4ad SM |
1623 | append_psymbol_to_list (std::vector<partial_symbol *> *list, |
1624 | struct partial_symbol *psym, | |
ccefe4c4 TT |
1625 | struct objfile *objfile) |
1626 | { | |
af5bf4ad | 1627 | list->push_back (psym); |
ccefe4c4 TT |
1628 | OBJSTAT (objfile, n_psyms++); |
1629 | } | |
1630 | ||
1631 | /* Add a symbol with a long value to a psymtab. | |
1632 | Since one arg is a struct, we pass in a ptr and deref it (sigh). | |
1762568f DE |
1633 | The only value we need to store for psyms is an address. |
1634 | For all other psyms pass zero for COREADDR. | |
ccefe4c4 TT |
1635 | Return the partial symbol that has been added. */ |
1636 | ||
7dc25483 | 1637 | void |
72b9f47f | 1638 | add_psymbol_to_list (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1639 | domain_enum domain, |
fe978cb0 | 1640 | enum address_class theclass, |
af5bf4ad | 1641 | std::vector<partial_symbol *> *list, |
1762568f | 1642 | CORE_ADDR coreaddr, |
ccefe4c4 TT |
1643 | enum language language, struct objfile *objfile) |
1644 | { | |
af5bf4ad | 1645 | struct partial_symbol *psym; |
ccefe4c4 TT |
1646 | |
1647 | int added; | |
1648 | ||
0df8b418 | 1649 | /* Stash the partial symbol away in the cache. */ |
fe978cb0 | 1650 | psym = add_psymbol_to_bcache (name, namelength, copy_name, domain, theclass, |
1762568f | 1651 | coreaddr, language, objfile, &added); |
ccefe4c4 TT |
1652 | |
1653 | /* Do not duplicate global partial symbols. */ | |
1654 | if (list == &objfile->global_psymbols | |
1655 | && !added) | |
7dc25483 | 1656 | return; |
ccefe4c4 | 1657 | |
0df8b418 | 1658 | /* Save pointer to partial symbol in psymtab, growing symtab if needed. */ |
ccefe4c4 | 1659 | append_psymbol_to_list (list, psym, objfile); |
ccefe4c4 TT |
1660 | } |
1661 | ||
1662 | /* Initialize storage for partial symbols. */ | |
1663 | ||
1664 | void | |
1665 | init_psymbol_list (struct objfile *objfile, int total_symbols) | |
1666 | { | |
1667 | /* Free any previously allocated psymbol lists. */ | |
af5bf4ad SM |
1668 | objfile->global_psymbols.clear (); |
1669 | objfile->static_psymbols.clear (); | |
ccefe4c4 TT |
1670 | |
1671 | /* Current best guess is that approximately a twentieth | |
1672 | of the total symbols (in a debugging file) are global or static | |
ca9c6ee2 | 1673 | oriented symbols, then multiply that by slop factor of two. */ |
af5bf4ad SM |
1674 | objfile->global_psymbols.reserve (total_symbols / 10); |
1675 | objfile->static_psymbols.reserve (total_symbols / 10); | |
ccefe4c4 TT |
1676 | } |
1677 | ||
1678 | struct partial_symtab * | |
1679 | allocate_psymtab (const char *filename, struct objfile *objfile) | |
1680 | { | |
1681 | struct partial_symtab *psymtab; | |
1682 | ||
1683 | if (objfile->free_psymtabs) | |
1684 | { | |
1685 | psymtab = objfile->free_psymtabs; | |
1686 | objfile->free_psymtabs = psymtab->next; | |
1687 | } | |
1688 | else | |
1689 | psymtab = (struct partial_symtab *) | |
1690 | obstack_alloc (&objfile->objfile_obstack, | |
1691 | sizeof (struct partial_symtab)); | |
1692 | ||
1693 | memset (psymtab, 0, sizeof (struct partial_symtab)); | |
19ba03f4 SM |
1694 | psymtab->filename |
1695 | = (const char *) bcache (filename, strlen (filename) + 1, | |
1696 | objfile->per_bfd->filename_cache); | |
43f3e411 | 1697 | psymtab->compunit_symtab = NULL; |
ccefe4c4 TT |
1698 | |
1699 | /* Prepend it to the psymtab list for the objfile it belongs to. | |
1700 | Psymtabs are searched in most recent inserted -> least recent | |
0df8b418 | 1701 | inserted order. */ |
ccefe4c4 | 1702 | |
ccefe4c4 TT |
1703 | psymtab->next = objfile->psymtabs; |
1704 | objfile->psymtabs = psymtab; | |
ccefe4c4 | 1705 | |
45cfd468 DE |
1706 | if (symtab_create_debug) |
1707 | { | |
1708 | /* Be a bit clever with debugging messages, and don't print objfile | |
1709 | every time, only when it changes. */ | |
1710 | static char *last_objfile_name = NULL; | |
1711 | ||
1712 | if (last_objfile_name == NULL | |
4262abfb | 1713 | || strcmp (last_objfile_name, objfile_name (objfile)) != 0) |
45cfd468 DE |
1714 | { |
1715 | xfree (last_objfile_name); | |
4262abfb | 1716 | last_objfile_name = xstrdup (objfile_name (objfile)); |
45cfd468 DE |
1717 | fprintf_unfiltered (gdb_stdlog, |
1718 | "Creating one or more psymtabs for objfile %s ...\n", | |
1719 | last_objfile_name); | |
1720 | } | |
1721 | fprintf_unfiltered (gdb_stdlog, | |
fd55216c DE |
1722 | "Created psymtab %s for module %s.\n", |
1723 | host_address_to_string (psymtab), filename); | |
45cfd468 DE |
1724 | } |
1725 | ||
95cf5869 | 1726 | return psymtab; |
ccefe4c4 TT |
1727 | } |
1728 | ||
1729 | void | |
5c80ed9d | 1730 | discard_psymtab (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 TT |
1731 | { |
1732 | struct partial_symtab **prev_pst; | |
1733 | ||
1734 | /* From dbxread.c: | |
1735 | Empty psymtabs happen as a result of header files which don't | |
1736 | have any symbols in them. There can be a lot of them. But this | |
1737 | check is wrong, in that a psymtab with N_SLINE entries but | |
1738 | nothing else is not empty, but we don't realize that. Fixing | |
1739 | that without slowing things down might be tricky. */ | |
1740 | ||
0df8b418 | 1741 | /* First, snip it out of the psymtab chain. */ |
ccefe4c4 | 1742 | |
5c80ed9d | 1743 | prev_pst = &(objfile->psymtabs); |
ccefe4c4 TT |
1744 | while ((*prev_pst) != pst) |
1745 | prev_pst = &((*prev_pst)->next); | |
1746 | (*prev_pst) = pst->next; | |
1747 | ||
0df8b418 | 1748 | /* Next, put it on a free list for recycling. */ |
ccefe4c4 | 1749 | |
5c80ed9d TT |
1750 | pst->next = objfile->free_psymtabs; |
1751 | objfile->free_psymtabs = pst; | |
ccefe4c4 TT |
1752 | } |
1753 | ||
ccefe4c4 TT |
1754 | \f |
1755 | ||
372405a5 DE |
1756 | /* We need to pass a couple of items to the addrmap_foreach function, |
1757 | so use a struct. */ | |
1758 | ||
1759 | struct dump_psymtab_addrmap_data | |
1760 | { | |
1761 | struct objfile *objfile; | |
1762 | struct partial_symtab *psymtab; | |
1763 | struct ui_file *outfile; | |
1764 | ||
1765 | /* Non-zero if the previously printed addrmap entry was for PSYMTAB. | |
1766 | If so, we want to print the next one as well (since the next addrmap | |
1767 | entry defines the end of the range). */ | |
1768 | int previous_matched; | |
1769 | }; | |
1770 | ||
1771 | /* Helper function for dump_psymtab_addrmap to print an addrmap entry. */ | |
1772 | ||
1773 | static int | |
1774 | dump_psymtab_addrmap_1 (void *datap, CORE_ADDR start_addr, void *obj) | |
1775 | { | |
709b5518 PA |
1776 | struct dump_psymtab_addrmap_data *data |
1777 | = (struct dump_psymtab_addrmap_data *) datap; | |
372405a5 | 1778 | struct gdbarch *gdbarch = get_objfile_arch (data->objfile); |
709b5518 | 1779 | struct partial_symtab *addrmap_psymtab = (struct partial_symtab *) obj; |
372405a5 DE |
1780 | const char *psymtab_address_or_end = NULL; |
1781 | ||
1782 | QUIT; | |
1783 | ||
1784 | if (data->psymtab == NULL | |
1785 | || data->psymtab == addrmap_psymtab) | |
1786 | psymtab_address_or_end = host_address_to_string (addrmap_psymtab); | |
1787 | else if (data->previous_matched) | |
1788 | psymtab_address_or_end = "<ends here>"; | |
1789 | ||
1790 | if (data->psymtab == NULL | |
1791 | || data->psymtab == addrmap_psymtab | |
1792 | || data->previous_matched) | |
1793 | { | |
1794 | fprintf_filtered (data->outfile, " %s%s %s\n", | |
1795 | data->psymtab != NULL ? " " : "", | |
1796 | paddress (gdbarch, start_addr), | |
1797 | psymtab_address_or_end); | |
1798 | } | |
1799 | ||
1800 | data->previous_matched = (data->psymtab == NULL | |
1801 | || data->psymtab == addrmap_psymtab); | |
1802 | ||
1803 | return 0; | |
1804 | } | |
1805 | ||
1806 | /* Helper function for maintenance_print_psymbols to print the addrmap | |
1807 | of PSYMTAB. If PSYMTAB is NULL print the entire addrmap. */ | |
1808 | ||
1809 | static void | |
1810 | dump_psymtab_addrmap (struct objfile *objfile, struct partial_symtab *psymtab, | |
1811 | struct ui_file *outfile) | |
1812 | { | |
1813 | struct dump_psymtab_addrmap_data addrmap_dump_data; | |
1814 | ||
34c41c68 DE |
1815 | if ((psymtab == NULL |
1816 | || psymtab->psymtabs_addrmap_supported) | |
1817 | && objfile->psymtabs_addrmap != NULL) | |
372405a5 DE |
1818 | { |
1819 | addrmap_dump_data.objfile = objfile; | |
1820 | addrmap_dump_data.psymtab = psymtab; | |
1821 | addrmap_dump_data.outfile = outfile; | |
1822 | addrmap_dump_data.previous_matched = 0; | |
1823 | fprintf_filtered (outfile, "%sddress map:\n", | |
1824 | psymtab == NULL ? "Entire a" : " A"); | |
1825 | addrmap_foreach (objfile->psymtabs_addrmap, dump_psymtab_addrmap_1, | |
1826 | &addrmap_dump_data); | |
1827 | } | |
1828 | } | |
1829 | ||
dfc7bb5b | 1830 | static void |
990b9f9f | 1831 | maintenance_print_psymbols (const char *args, int from_tty) |
ccefe4c4 | 1832 | { |
34c41c68 | 1833 | struct ui_file *outfile = gdb_stdout; |
34c41c68 | 1834 | char *address_arg = NULL, *source_arg = NULL, *objfile_arg = NULL; |
ccefe4c4 TT |
1835 | struct objfile *objfile; |
1836 | struct partial_symtab *ps; | |
34c41c68 DE |
1837 | int i, outfile_idx, found; |
1838 | CORE_ADDR pc = 0; | |
1839 | struct obj_section *section = NULL; | |
ccefe4c4 TT |
1840 | |
1841 | dont_repeat (); | |
1842 | ||
773a1edc | 1843 | gdb_argv argv (args); |
ccefe4c4 | 1844 | |
99e8a4f9 | 1845 | for (i = 0; argv != NULL && argv[i] != NULL; ++i) |
ccefe4c4 | 1846 | { |
34c41c68 DE |
1847 | if (strcmp (argv[i], "-pc") == 0) |
1848 | { | |
1849 | if (argv[i + 1] == NULL) | |
1850 | error (_("Missing pc value")); | |
1851 | address_arg = argv[++i]; | |
1852 | } | |
1853 | else if (strcmp (argv[i], "-source") == 0) | |
1854 | { | |
1855 | if (argv[i + 1] == NULL) | |
1856 | error (_("Missing source file")); | |
1857 | source_arg = argv[++i]; | |
1858 | } | |
1859 | else if (strcmp (argv[i], "-objfile") == 0) | |
1860 | { | |
1861 | if (argv[i + 1] == NULL) | |
1862 | error (_("Missing objfile name")); | |
1863 | objfile_arg = argv[++i]; | |
1864 | } | |
1865 | else if (strcmp (argv[i], "--") == 0) | |
1866 | { | |
1867 | /* End of options. */ | |
1868 | ++i; | |
1869 | break; | |
1870 | } | |
1871 | else if (argv[i][0] == '-') | |
ccefe4c4 | 1872 | { |
34c41c68 DE |
1873 | /* Future proofing: Don't allow OUTFILE to begin with "-". */ |
1874 | error (_("Unknown option: %s"), argv[i]); | |
ccefe4c4 | 1875 | } |
34c41c68 DE |
1876 | else |
1877 | break; | |
ccefe4c4 | 1878 | } |
34c41c68 | 1879 | outfile_idx = i; |
ccefe4c4 | 1880 | |
34c41c68 DE |
1881 | if (address_arg != NULL && source_arg != NULL) |
1882 | error (_("Must specify at most one of -pc and -source")); | |
ccefe4c4 | 1883 | |
d7e74731 PA |
1884 | stdio_file arg_outfile; |
1885 | ||
99e8a4f9 | 1886 | if (argv != NULL && argv[outfile_idx] != NULL) |
34c41c68 | 1887 | { |
34c41c68 DE |
1888 | if (argv[outfile_idx + 1] != NULL) |
1889 | error (_("Junk at end of command")); | |
ee0c3293 TT |
1890 | gdb::unique_xmalloc_ptr<char> outfile_name |
1891 | (tilde_expand (argv[outfile_idx])); | |
1892 | if (!arg_outfile.open (outfile_name.get (), FOPEN_WT)) | |
1893 | perror_with_name (outfile_name.get ()); | |
d7e74731 | 1894 | outfile = &arg_outfile; |
34c41c68 | 1895 | } |
ccefe4c4 | 1896 | |
34c41c68 DE |
1897 | if (address_arg != NULL) |
1898 | { | |
1899 | pc = parse_and_eval_address (address_arg); | |
1900 | /* If we fail to find a section, that's ok, try the lookup anyway. */ | |
1901 | section = find_pc_section (pc); | |
1902 | } | |
372405a5 | 1903 | |
34c41c68 DE |
1904 | found = 0; |
1905 | ALL_OBJFILES (objfile) | |
27618ce4 | 1906 | { |
34c41c68 DE |
1907 | int printed_objfile_header = 0; |
1908 | int print_for_objfile = 1; | |
1909 | ||
27618ce4 | 1910 | QUIT; |
34c41c68 DE |
1911 | if (objfile_arg != NULL) |
1912 | print_for_objfile | |
1913 | = compare_filenames_for_search (objfile_name (objfile), | |
1914 | objfile_arg); | |
1915 | if (!print_for_objfile) | |
1916 | continue; | |
1917 | ||
1918 | if (address_arg != NULL) | |
1919 | { | |
1920 | struct bound_minimal_symbol msymbol = { NULL, NULL }; | |
1921 | ||
1922 | /* We don't assume each pc has a unique objfile (this is for | |
1923 | debugging). */ | |
1924 | ps = find_pc_sect_psymtab (objfile, pc, section, msymbol); | |
1925 | if (ps != NULL) | |
1926 | { | |
1927 | if (!printed_objfile_header) | |
1928 | { | |
d7e74731 PA |
1929 | outfile->printf ("\nPartial symtabs for objfile %s\n", |
1930 | objfile_name (objfile)); | |
34c41c68 DE |
1931 | printed_objfile_header = 1; |
1932 | } | |
1933 | dump_psymtab (objfile, ps, outfile); | |
1934 | dump_psymtab_addrmap (objfile, ps, outfile); | |
1935 | found = 1; | |
1936 | } | |
1937 | } | |
1938 | else | |
1939 | { | |
1940 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) | |
1941 | { | |
1942 | int print_for_source = 0; | |
1943 | ||
1944 | QUIT; | |
1945 | if (source_arg != NULL) | |
1946 | { | |
1947 | print_for_source | |
1948 | = compare_filenames_for_search (ps->filename, source_arg); | |
1949 | found = 1; | |
1950 | } | |
1951 | if (source_arg == NULL | |
1952 | || print_for_source) | |
1953 | { | |
1954 | if (!printed_objfile_header) | |
1955 | { | |
d7e74731 PA |
1956 | outfile->printf ("\nPartial symtabs for objfile %s\n", |
1957 | objfile_name (objfile)); | |
34c41c68 DE |
1958 | printed_objfile_header = 1; |
1959 | } | |
1960 | dump_psymtab (objfile, ps, outfile); | |
1961 | dump_psymtab_addrmap (objfile, ps, outfile); | |
1962 | } | |
1963 | } | |
1964 | } | |
1965 | ||
1966 | /* If we're printing all the objfile's symbols dump the full addrmap. */ | |
1967 | ||
1968 | if (address_arg == NULL | |
1969 | && source_arg == NULL | |
1970 | && objfile->psymtabs_addrmap != NULL) | |
372405a5 | 1971 | { |
d7e74731 | 1972 | outfile->puts ("\n"); |
34c41c68 | 1973 | dump_psymtab_addrmap (objfile, NULL, outfile); |
372405a5 | 1974 | } |
27618ce4 | 1975 | } |
372405a5 | 1976 | |
34c41c68 DE |
1977 | if (!found) |
1978 | { | |
1979 | if (address_arg != NULL) | |
1980 | error (_("No partial symtab for address: %s"), address_arg); | |
1981 | if (source_arg != NULL) | |
1982 | error (_("No partial symtab for source file: %s"), source_arg); | |
1983 | } | |
ccefe4c4 TT |
1984 | } |
1985 | ||
1986 | /* List all the partial symbol tables whose names match REGEXP (optional). */ | |
95cf5869 | 1987 | |
dfc7bb5b | 1988 | static void |
990b9f9f | 1989 | maintenance_info_psymtabs (const char *regexp, int from_tty) |
ccefe4c4 TT |
1990 | { |
1991 | struct program_space *pspace; | |
1992 | struct objfile *objfile; | |
1993 | ||
1994 | if (regexp) | |
1995 | re_comp (regexp); | |
1996 | ||
1997 | ALL_PSPACES (pspace) | |
1998 | ALL_PSPACE_OBJFILES (pspace, objfile) | |
1999 | { | |
2000 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
2001 | struct partial_symtab *psymtab; | |
2002 | ||
2003 | /* We don't want to print anything for this objfile until we | |
2004 | actually find a symtab whose name matches. */ | |
2005 | int printed_objfile_start = 0; | |
2006 | ||
b11896a5 | 2007 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab) |
ccefe4c4 TT |
2008 | { |
2009 | QUIT; | |
2010 | ||
2011 | if (! regexp | |
2012 | || re_exec (psymtab->filename)) | |
2013 | { | |
2014 | if (! printed_objfile_start) | |
2015 | { | |
4262abfb | 2016 | printf_filtered ("{ objfile %s ", objfile_name (objfile)); |
ccefe4c4 | 2017 | wrap_here (" "); |
95cf5869 | 2018 | printf_filtered ("((struct objfile *) %s)\n", |
ccefe4c4 TT |
2019 | host_address_to_string (objfile)); |
2020 | printed_objfile_start = 1; | |
2021 | } | |
2022 | ||
2023 | printf_filtered (" { psymtab %s ", psymtab->filename); | |
2024 | wrap_here (" "); | |
95cf5869 | 2025 | printf_filtered ("((struct partial_symtab *) %s)\n", |
ccefe4c4 TT |
2026 | host_address_to_string (psymtab)); |
2027 | ||
2028 | printf_filtered (" readin %s\n", | |
2029 | psymtab->readin ? "yes" : "no"); | |
2030 | printf_filtered (" fullname %s\n", | |
3e43a32a MS |
2031 | psymtab->fullname |
2032 | ? psymtab->fullname : "(null)"); | |
ccefe4c4 TT |
2033 | printf_filtered (" text addresses "); |
2034 | fputs_filtered (paddress (gdbarch, psymtab->textlow), | |
2035 | gdb_stdout); | |
2036 | printf_filtered (" -- "); | |
2037 | fputs_filtered (paddress (gdbarch, psymtab->texthigh), | |
2038 | gdb_stdout); | |
2039 | printf_filtered ("\n"); | |
9750bca9 JK |
2040 | printf_filtered (" psymtabs_addrmap_supported %s\n", |
2041 | (psymtab->psymtabs_addrmap_supported | |
2042 | ? "yes" : "no")); | |
ccefe4c4 TT |
2043 | printf_filtered (" globals "); |
2044 | if (psymtab->n_global_syms) | |
2045 | { | |
af5bf4ad SM |
2046 | auto p = &objfile->global_psymbols[psymtab->globals_offset]; |
2047 | ||
ccefe4c4 | 2048 | printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", |
af5bf4ad | 2049 | host_address_to_string (p), |
ccefe4c4 TT |
2050 | psymtab->n_global_syms); |
2051 | } | |
2052 | else | |
2053 | printf_filtered ("(none)\n"); | |
2054 | printf_filtered (" statics "); | |
2055 | if (psymtab->n_static_syms) | |
2056 | { | |
af5bf4ad SM |
2057 | auto p = &objfile->static_psymbols[psymtab->statics_offset]; |
2058 | ||
ccefe4c4 | 2059 | printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", |
af5bf4ad | 2060 | host_address_to_string (p), |
ccefe4c4 TT |
2061 | psymtab->n_static_syms); |
2062 | } | |
2063 | else | |
2064 | printf_filtered ("(none)\n"); | |
2065 | printf_filtered (" dependencies "); | |
2066 | if (psymtab->number_of_dependencies) | |
2067 | { | |
2068 | int i; | |
2069 | ||
2070 | printf_filtered ("{\n"); | |
2071 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
2072 | { | |
2073 | struct partial_symtab *dep = psymtab->dependencies[i]; | |
2074 | ||
2075 | /* Note the string concatenation there --- no comma. */ | |
2076 | printf_filtered (" psymtab %s " | |
2077 | "((struct partial_symtab *) %s)\n", | |
95cf5869 | 2078 | dep->filename, |
ccefe4c4 TT |
2079 | host_address_to_string (dep)); |
2080 | } | |
2081 | printf_filtered (" }\n"); | |
2082 | } | |
2083 | else | |
2084 | printf_filtered ("(none)\n"); | |
2085 | printf_filtered (" }\n"); | |
2086 | } | |
2087 | } | |
2088 | ||
2089 | if (printed_objfile_start) | |
2090 | printf_filtered ("}\n"); | |
2091 | } | |
2092 | } | |
2093 | ||
7d0c9981 | 2094 | /* Check consistency of currently expanded psymtabs vs symtabs. */ |
ccefe4c4 | 2095 | |
dfc7bb5b | 2096 | static void |
990b9f9f | 2097 | maintenance_check_psymtabs (const char *ignore, int from_tty) |
ccefe4c4 TT |
2098 | { |
2099 | struct symbol *sym; | |
43f3e411 | 2100 | struct compunit_symtab *cust = NULL; |
ccefe4c4 | 2101 | struct partial_symtab *ps; |
346d1dfe | 2102 | const struct blockvector *bv; |
ccefe4c4 TT |
2103 | struct objfile *objfile; |
2104 | struct block *b; | |
2105 | int length; | |
2106 | ||
2107 | ALL_PSYMTABS (objfile, ps) | |
2108 | { | |
2109 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
ad3bbd48 | 2110 | |
7d0c9981 DE |
2111 | /* We don't call psymtab_to_symtab here because that may cause symtab |
2112 | expansion. When debugging a problem it helps if checkers leave | |
2113 | things unchanged. */ | |
43f3e411 | 2114 | cust = ps->compunit_symtab; |
7d0c9981 DE |
2115 | |
2116 | /* First do some checks that don't require the associated symtab. */ | |
2117 | if (ps->texthigh < ps->textlow) | |
2118 | { | |
2119 | printf_filtered ("Psymtab "); | |
2120 | puts_filtered (ps->filename); | |
2121 | printf_filtered (" covers bad range "); | |
2122 | fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout); | |
2123 | printf_filtered (" - "); | |
2124 | fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout); | |
2125 | printf_filtered ("\n"); | |
2126 | continue; | |
2127 | } | |
2128 | ||
2129 | /* Now do checks requiring the associated symtab. */ | |
43f3e411 | 2130 | if (cust == NULL) |
ccefe4c4 | 2131 | continue; |
43f3e411 | 2132 | bv = COMPUNIT_BLOCKVECTOR (cust); |
ccefe4c4 | 2133 | b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); |
af5bf4ad | 2134 | partial_symbol **psym = &objfile->static_psymbols[ps->statics_offset]; |
ccefe4c4 TT |
2135 | length = ps->n_static_syms; |
2136 | while (length--) | |
2137 | { | |
16b2eaa1 | 2138 | sym = block_lookup_symbol (b, SYMBOL_LINKAGE_NAME (*psym), |
ccefe4c4 TT |
2139 | SYMBOL_DOMAIN (*psym)); |
2140 | if (!sym) | |
2141 | { | |
2142 | printf_filtered ("Static symbol `"); | |
2143 | puts_filtered (SYMBOL_LINKAGE_NAME (*psym)); | |
2144 | printf_filtered ("' only found in "); | |
2145 | puts_filtered (ps->filename); | |
2146 | printf_filtered (" psymtab\n"); | |
2147 | } | |
2148 | psym++; | |
2149 | } | |
2150 | b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
af5bf4ad | 2151 | psym = &objfile->global_psymbols[ps->globals_offset]; |
ccefe4c4 TT |
2152 | length = ps->n_global_syms; |
2153 | while (length--) | |
2154 | { | |
16b2eaa1 | 2155 | sym = block_lookup_symbol (b, SYMBOL_LINKAGE_NAME (*psym), |
ccefe4c4 TT |
2156 | SYMBOL_DOMAIN (*psym)); |
2157 | if (!sym) | |
2158 | { | |
2159 | printf_filtered ("Global symbol `"); | |
2160 | puts_filtered (SYMBOL_LINKAGE_NAME (*psym)); | |
2161 | printf_filtered ("' only found in "); | |
2162 | puts_filtered (ps->filename); | |
2163 | printf_filtered (" psymtab\n"); | |
2164 | } | |
2165 | psym++; | |
2166 | } | |
7d0c9981 DE |
2167 | if (ps->texthigh != 0 |
2168 | && (ps->textlow < BLOCK_START (b) || ps->texthigh > BLOCK_END (b))) | |
ccefe4c4 TT |
2169 | { |
2170 | printf_filtered ("Psymtab "); | |
2171 | puts_filtered (ps->filename); | |
2172 | printf_filtered (" covers "); | |
2173 | fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout); | |
2174 | printf_filtered (" - "); | |
2175 | fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout); | |
2176 | printf_filtered (" but symtab covers only "); | |
2177 | fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout); | |
2178 | printf_filtered (" - "); | |
2179 | fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout); | |
2180 | printf_filtered ("\n"); | |
2181 | } | |
2182 | } | |
2183 | } | |
2184 | ||
dfc7bb5b YQ |
2185 | void |
2186 | _initialize_psymtab (void) | |
2187 | { | |
2188 | add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols, _("\ | |
2189 | Print dump of current partial symbol definitions.\n\ | |
34c41c68 DE |
2190 | Usage: mt print psymbols [-objfile objfile] [-pc address] [--] [outfile]\n\ |
2191 | mt print psymbols [-objfile objfile] [-source source] [--] [outfile]\n\ | |
2192 | Entries in the partial symbol table are dumped to file OUTFILE,\n\ | |
2193 | or the terminal if OUTFILE is unspecified.\n\ | |
2194 | If ADDRESS is provided, dump only the file for that address.\n\ | |
2195 | If SOURCE is provided, dump only that file's symbols.\n\ | |
2196 | If OBJFILE is provided, dump only that file's minimal symbols."), | |
dfc7bb5b YQ |
2197 | &maintenanceprintlist); |
2198 | ||
2199 | add_cmd ("psymtabs", class_maintenance, maintenance_info_psymtabs, _("\ | |
2200 | List the partial symbol tables for all object files.\n\ | |
2201 | This does not include information about individual partial symbols,\n\ | |
2202 | just the symbol table structures themselves."), | |
2203 | &maintenanceinfolist); | |
2204 | ||
7d0c9981 DE |
2205 | add_cmd ("check-psymtabs", class_maintenance, maintenance_check_psymtabs, |
2206 | _("\ | |
2207 | Check consistency of currently expanded psymtabs versus symtabs."), | |
dfc7bb5b YQ |
2208 | &maintenancelist); |
2209 | } |