Commit | Line | Data |
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ccefe4c4 | 1 | /* Partial symbol tables. |
95cf5869 | 2 | |
618f726f | 3 | Copyright (C) 2009-2016 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" |
ccefe4c4 TT |
38 | |
39 | #ifndef DEV_TTY | |
40 | #define DEV_TTY "/dev/tty" | |
41 | #endif | |
42 | ||
710e1a31 SW |
43 | struct psymbol_bcache |
44 | { | |
45 | struct bcache *bcache; | |
46 | }; | |
47 | ||
5c80ed9d TT |
48 | static struct partial_symbol *match_partial_symbol (struct objfile *, |
49 | struct partial_symtab *, | |
40658b94 PH |
50 | int, |
51 | const char *, domain_enum, | |
2edb89d3 JK |
52 | symbol_compare_ftype *, |
53 | symbol_compare_ftype *); | |
40658b94 | 54 | |
5c80ed9d TT |
55 | static struct partial_symbol *lookup_partial_symbol (struct objfile *, |
56 | struct partial_symtab *, | |
ccefe4c4 TT |
57 | const char *, int, |
58 | domain_enum); | |
59 | ||
da5132d3 | 60 | static const char *psymtab_to_fullname (struct partial_symtab *ps); |
ccefe4c4 | 61 | |
5c80ed9d TT |
62 | static struct partial_symbol *find_pc_sect_psymbol (struct objfile *, |
63 | struct partial_symtab *, | |
ccefe4c4 TT |
64 | CORE_ADDR, |
65 | struct obj_section *); | |
66 | ||
50da2f25 YQ |
67 | static void fixup_psymbol_section (struct partial_symbol *psym, |
68 | struct objfile *objfile); | |
ccefe4c4 | 69 | |
43f3e411 DE |
70 | static struct compunit_symtab *psymtab_to_symtab (struct objfile *objfile, |
71 | struct partial_symtab *pst); | |
ccefe4c4 | 72 | |
b11896a5 TT |
73 | /* Ensure that the partial symbols for OBJFILE have been loaded. This |
74 | function always returns its argument, as a convenience. */ | |
75 | ||
76 | struct objfile * | |
77 | require_partial_symbols (struct objfile *objfile, int verbose) | |
78 | { | |
79 | if ((objfile->flags & OBJF_PSYMTABS_READ) == 0) | |
80 | { | |
81 | objfile->flags |= OBJF_PSYMTABS_READ; | |
82 | ||
83 | if (objfile->sf->sym_read_psymbols) | |
84 | { | |
85 | if (verbose) | |
86 | { | |
87 | printf_unfiltered (_("Reading symbols from %s..."), | |
4262abfb | 88 | objfile_name (objfile)); |
b11896a5 TT |
89 | gdb_flush (gdb_stdout); |
90 | } | |
91 | (*objfile->sf->sym_read_psymbols) (objfile); | |
92 | if (verbose) | |
93 | { | |
94 | if (!objfile_has_symbols (objfile)) | |
95 | { | |
96 | wrap_here (""); | |
97 | printf_unfiltered (_("(no debugging symbols found)...")); | |
98 | wrap_here (""); | |
99 | } | |
100 | ||
101 | printf_unfiltered (_("done.\n")); | |
102 | } | |
103 | } | |
104 | } | |
105 | ||
106 | return objfile; | |
107 | } | |
108 | ||
109 | /* Traverse all psymtabs in one objfile, requiring that the psymtabs | |
110 | be read in. */ | |
111 | ||
112 | #define ALL_OBJFILE_PSYMTABS_REQUIRED(objfile, p) \ | |
113 | for ((p) = require_partial_symbols (objfile, 1)->psymtabs; \ | |
114 | (p) != NULL; \ | |
115 | (p) = (p)->next) | |
116 | ||
117 | /* We want to make sure this file always requires psymtabs. */ | |
118 | ||
119 | #undef ALL_OBJFILE_PSYMTABS | |
120 | ||
121 | /* Traverse all psymtabs in all objfiles. */ | |
122 | ||
123 | #define ALL_PSYMTABS(objfile, p) \ | |
124 | ALL_OBJFILES (objfile) \ | |
125 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) | |
126 | ||
83827540 | 127 | /* Helper function for psym_map_symtabs_matching_filename that |
f8eba3c6 | 128 | expands the symtabs and calls the iterator. */ |
ccefe4c4 | 129 | |
f8eba3c6 TT |
130 | static int |
131 | partial_map_expand_apply (struct objfile *objfile, | |
132 | const char *name, | |
f8eba3c6 TT |
133 | const char *real_path, |
134 | struct partial_symtab *pst, | |
135 | int (*callback) (struct symtab *, void *), | |
136 | void *data) | |
137 | { | |
43f3e411 | 138 | struct compunit_symtab *last_made = objfile->compunit_symtabs; |
f8eba3c6 | 139 | |
9439a077 TT |
140 | /* Shared psymtabs should never be seen here. Instead they should |
141 | be handled properly by the caller. */ | |
142 | gdb_assert (pst->user == NULL); | |
143 | ||
f8eba3c6 TT |
144 | /* Don't visit already-expanded psymtabs. */ |
145 | if (pst->readin) | |
146 | return 0; | |
147 | ||
148 | /* This may expand more than one symtab, and we want to iterate over | |
149 | all of them. */ | |
5c80ed9d | 150 | psymtab_to_symtab (objfile, pst); |
f8eba3c6 | 151 | |
f5b95b50 | 152 | return iterate_over_some_symtabs (name, real_path, callback, data, |
43f3e411 | 153 | objfile->compunit_symtabs, last_made); |
f8eba3c6 TT |
154 | } |
155 | ||
83827540 DE |
156 | /* Psymtab version of map_symtabs_matching_filename. See its definition in |
157 | the definition of quick_symbol_functions in symfile.h. */ | |
f8eba3c6 TT |
158 | |
159 | static int | |
83827540 DE |
160 | psym_map_symtabs_matching_filename (struct objfile *objfile, |
161 | const char *name, | |
162 | const char *real_path, | |
163 | int (*callback) (struct symtab *, | |
164 | void *), | |
165 | void *data) | |
ccefe4c4 TT |
166 | { |
167 | struct partial_symtab *pst; | |
c011a4f4 | 168 | const char *name_basename = lbasename (name); |
ccefe4c4 | 169 | |
b11896a5 | 170 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
ccefe4c4 | 171 | { |
9439a077 TT |
172 | /* We can skip shared psymtabs here, because any file name will be |
173 | attached to the unshared psymtab. */ | |
174 | if (pst->user != NULL) | |
175 | continue; | |
176 | ||
b4c41fc7 DE |
177 | /* Anonymous psymtabs don't have a file name. */ |
178 | if (pst->anonymous) | |
179 | continue; | |
180 | ||
af529f8f | 181 | if (compare_filenames_for_search (pst->filename, name)) |
ccefe4c4 | 182 | { |
f5b95b50 | 183 | if (partial_map_expand_apply (objfile, name, real_path, |
f8eba3c6 TT |
184 | pst, callback, data)) |
185 | return 1; | |
288e77a7 | 186 | continue; |
ccefe4c4 TT |
187 | } |
188 | ||
c011a4f4 DE |
189 | /* Before we invoke realpath, which can get expensive when many |
190 | files are involved, do a quick comparison of the basenames. */ | |
191 | if (! basenames_may_differ | |
192 | && FILENAME_CMP (name_basename, lbasename (pst->filename)) != 0) | |
193 | continue; | |
194 | ||
05cba821 JK |
195 | if (compare_filenames_for_search (psymtab_to_fullname (pst), name)) |
196 | { | |
197 | if (partial_map_expand_apply (objfile, name, real_path, | |
198 | pst, callback, data)) | |
199 | return 1; | |
288e77a7 | 200 | continue; |
05cba821 JK |
201 | } |
202 | ||
ccefe4c4 TT |
203 | /* If the user gave us an absolute path, try to find the file in |
204 | this symtab and use its absolute path. */ | |
ccefe4c4 TT |
205 | if (real_path != NULL) |
206 | { | |
af529f8f JK |
207 | gdb_assert (IS_ABSOLUTE_PATH (real_path)); |
208 | gdb_assert (IS_ABSOLUTE_PATH (name)); | |
fbd9ab74 | 209 | if (filename_cmp (psymtab_to_fullname (pst), real_path) == 0) |
ccefe4c4 | 210 | { |
f5b95b50 | 211 | if (partial_map_expand_apply (objfile, name, real_path, |
f8eba3c6 TT |
212 | pst, callback, data)) |
213 | return 1; | |
288e77a7 | 214 | continue; |
ccefe4c4 TT |
215 | } |
216 | } | |
217 | } | |
218 | ||
f8eba3c6 | 219 | return 0; |
ccefe4c4 TT |
220 | } |
221 | ||
222 | /* Find which partial symtab contains PC and SECTION starting at psymtab PST. | |
223 | We may find a different psymtab than PST. See FIND_PC_SECT_PSYMTAB. */ | |
224 | ||
225 | static struct partial_symtab * | |
5c80ed9d TT |
226 | find_pc_sect_psymtab_closer (struct objfile *objfile, |
227 | CORE_ADDR pc, struct obj_section *section, | |
ccefe4c4 | 228 | struct partial_symtab *pst, |
77e371c0 | 229 | struct bound_minimal_symbol msymbol) |
ccefe4c4 | 230 | { |
ccefe4c4 TT |
231 | struct partial_symtab *tpst; |
232 | struct partial_symtab *best_pst = pst; | |
233 | CORE_ADDR best_addr = pst->textlow; | |
234 | ||
9750bca9 JK |
235 | gdb_assert (!pst->psymtabs_addrmap_supported); |
236 | ||
ccefe4c4 TT |
237 | /* An objfile that has its functions reordered might have |
238 | many partial symbol tables containing the PC, but | |
239 | we want the partial symbol table that contains the | |
240 | function containing the PC. */ | |
95cf5869 DE |
241 | if (!(objfile->flags & OBJF_REORDERED) |
242 | && section == NULL) /* Can't validate section this way. */ | |
ccefe4c4 TT |
243 | return pst; |
244 | ||
77e371c0 | 245 | if (msymbol.minsym == NULL) |
95cf5869 | 246 | return pst; |
ccefe4c4 TT |
247 | |
248 | /* The code range of partial symtabs sometimes overlap, so, in | |
249 | the loop below, we need to check all partial symtabs and | |
0df8b418 | 250 | find the one that fits better for the given PC address. We |
ccefe4c4 TT |
251 | select the partial symtab that contains a symbol whose |
252 | address is closest to the PC address. By closest we mean | |
253 | that find_pc_sect_symbol returns the symbol with address | |
254 | that is closest and still less than the given PC. */ | |
255 | for (tpst = pst; tpst != NULL; tpst = tpst->next) | |
256 | { | |
257 | if (pc >= tpst->textlow && pc < tpst->texthigh) | |
258 | { | |
259 | struct partial_symbol *p; | |
260 | CORE_ADDR this_addr; | |
261 | ||
262 | /* NOTE: This assumes that every psymbol has a | |
263 | corresponding msymbol, which is not necessarily | |
264 | true; the debug info might be much richer than the | |
265 | object's symbol table. */ | |
5c80ed9d | 266 | p = find_pc_sect_psymbol (objfile, tpst, pc, section); |
ccefe4c4 | 267 | if (p != NULL |
95cf5869 DE |
268 | && (SYMBOL_VALUE_ADDRESS (p) |
269 | == BMSYMBOL_VALUE_ADDRESS (msymbol))) | |
ccefe4c4 TT |
270 | return tpst; |
271 | ||
272 | /* Also accept the textlow value of a psymtab as a | |
273 | "symbol", to provide some support for partial | |
274 | symbol tables with line information but no debug | |
275 | symbols (e.g. those produced by an assembler). */ | |
276 | if (p != NULL) | |
277 | this_addr = SYMBOL_VALUE_ADDRESS (p); | |
278 | else | |
279 | this_addr = tpst->textlow; | |
280 | ||
281 | /* Check whether it is closer than our current | |
282 | BEST_ADDR. Since this symbol address is | |
283 | necessarily lower or equal to PC, the symbol closer | |
284 | to PC is the symbol which address is the highest. | |
285 | This way we return the psymtab which contains such | |
0df8b418 | 286 | best match symbol. This can help in cases where the |
ccefe4c4 TT |
287 | symbol information/debuginfo is not complete, like |
288 | for instance on IRIX6 with gcc, where no debug info | |
0df8b418 MS |
289 | is emitted for statics. (See also the nodebug.exp |
290 | testcase.) */ | |
ccefe4c4 TT |
291 | if (this_addr > best_addr) |
292 | { | |
293 | best_addr = this_addr; | |
294 | best_pst = tpst; | |
295 | } | |
296 | } | |
297 | } | |
298 | return best_pst; | |
299 | } | |
300 | ||
95cf5869 | 301 | /* Find which partial symtab contains PC and SECTION. Return NULL if |
ccefe4c4 TT |
302 | none. We return the psymtab that contains a symbol whose address |
303 | exactly matches PC, or, if we cannot find an exact match, the | |
304 | psymtab that contains a symbol whose address is closest to PC. */ | |
95cf5869 | 305 | |
ccefe4c4 TT |
306 | static struct partial_symtab * |
307 | find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc, | |
308 | struct obj_section *section, | |
77e371c0 | 309 | struct bound_minimal_symbol msymbol) |
ccefe4c4 TT |
310 | { |
311 | struct partial_symtab *pst; | |
312 | ||
313 | /* Try just the PSYMTABS_ADDRMAP mapping first as it has better granularity | |
314 | than the later used TEXTLOW/TEXTHIGH one. */ | |
315 | ||
316 | if (objfile->psymtabs_addrmap != NULL) | |
317 | { | |
19ba03f4 SM |
318 | pst = ((struct partial_symtab *) |
319 | addrmap_find (objfile->psymtabs_addrmap, pc)); | |
ccefe4c4 TT |
320 | if (pst != NULL) |
321 | { | |
322 | /* FIXME: addrmaps currently do not handle overlayed sections, | |
323 | so fall back to the non-addrmap case if we're debugging | |
324 | overlays and the addrmap returned the wrong section. */ | |
95cf5869 | 325 | if (overlay_debugging && msymbol.minsym != NULL && section != NULL) |
ccefe4c4 TT |
326 | { |
327 | struct partial_symbol *p; | |
ad3bbd48 | 328 | |
ccefe4c4 TT |
329 | /* NOTE: This assumes that every psymbol has a |
330 | corresponding msymbol, which is not necessarily | |
331 | true; the debug info might be much richer than the | |
332 | object's symbol table. */ | |
5c80ed9d | 333 | p = find_pc_sect_psymbol (objfile, pst, pc, section); |
95cf5869 DE |
334 | if (p == NULL |
335 | || (SYMBOL_VALUE_ADDRESS (p) | |
336 | != BMSYMBOL_VALUE_ADDRESS (msymbol))) | |
ccefe4c4 TT |
337 | goto next; |
338 | } | |
339 | ||
340 | /* We do not try to call FIND_PC_SECT_PSYMTAB_CLOSER as | |
341 | PSYMTABS_ADDRMAP we used has already the best 1-byte | |
342 | granularity and FIND_PC_SECT_PSYMTAB_CLOSER may mislead us into | |
343 | a worse chosen section due to the TEXTLOW/TEXTHIGH ranges | |
344 | overlap. */ | |
345 | ||
346 | return pst; | |
347 | } | |
348 | } | |
349 | ||
350 | next: | |
351 | ||
352 | /* Existing PSYMTABS_ADDRMAP mapping is present even for PARTIAL_SYMTABs | |
353 | which still have no corresponding full SYMTABs read. But it is not | |
354 | present for non-DWARF2 debug infos not supporting PSYMTABS_ADDRMAP in GDB | |
355 | so far. */ | |
356 | ||
357 | /* Check even OBJFILE with non-zero PSYMTABS_ADDRMAP as only several of | |
358 | its CUs may be missing in PSYMTABS_ADDRMAP as they may be varying | |
359 | debug info type in single OBJFILE. */ | |
360 | ||
b11896a5 | 361 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
9750bca9 JK |
362 | if (!pst->psymtabs_addrmap_supported |
363 | && pc >= pst->textlow && pc < pst->texthigh) | |
ccefe4c4 TT |
364 | { |
365 | struct partial_symtab *best_pst; | |
366 | ||
5c80ed9d TT |
367 | best_pst = find_pc_sect_psymtab_closer (objfile, pc, section, pst, |
368 | msymbol); | |
ccefe4c4 TT |
369 | if (best_pst != NULL) |
370 | return best_pst; | |
371 | } | |
372 | ||
373 | return NULL; | |
374 | } | |
375 | ||
95cf5869 DE |
376 | /* Psymtab version of find_pc_sect_compunit_symtab. See its definition in |
377 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 378 | |
43f3e411 | 379 | static struct compunit_symtab * |
83827540 DE |
380 | psym_find_pc_sect_compunit_symtab (struct objfile *objfile, |
381 | struct bound_minimal_symbol msymbol, | |
382 | CORE_ADDR pc, | |
383 | struct obj_section *section, | |
384 | int warn_if_readin) | |
ccefe4c4 TT |
385 | { |
386 | struct partial_symtab *ps = find_pc_sect_psymtab (objfile, pc, section, | |
387 | msymbol); | |
95cf5869 | 388 | if (ps != NULL) |
ccefe4c4 TT |
389 | { |
390 | if (warn_if_readin && ps->readin) | |
391 | /* Might want to error() here (in case symtab is corrupt and | |
392 | will cause a core dump), but maybe we can successfully | |
393 | continue, so let's not. */ | |
394 | warning (_("\ | |
395 | (Internal error: pc %s in read in psymtab, but not in symtab.)\n"), | |
5c80ed9d TT |
396 | paddress (get_objfile_arch (objfile), pc)); |
397 | psymtab_to_symtab (objfile, ps); | |
43f3e411 | 398 | return ps->compunit_symtab; |
ccefe4c4 TT |
399 | } |
400 | return NULL; | |
401 | } | |
402 | ||
403 | /* Find which partial symbol within a psymtab matches PC and SECTION. | |
95cf5869 | 404 | Return NULL if none. */ |
ccefe4c4 TT |
405 | |
406 | static struct partial_symbol * | |
5c80ed9d TT |
407 | find_pc_sect_psymbol (struct objfile *objfile, |
408 | struct partial_symtab *psymtab, CORE_ADDR pc, | |
ccefe4c4 TT |
409 | struct obj_section *section) |
410 | { | |
411 | struct partial_symbol *best = NULL, *p, **pp; | |
412 | CORE_ADDR best_pc; | |
413 | ||
414 | gdb_assert (psymtab != NULL); | |
415 | ||
0df8b418 | 416 | /* Cope with programs that start at address 0. */ |
ccefe4c4 TT |
417 | best_pc = (psymtab->textlow != 0) ? psymtab->textlow - 1 : 0; |
418 | ||
419 | /* Search the global symbols as well as the static symbols, so that | |
420 | find_pc_partial_function doesn't use a minimal symbol and thus | |
421 | cache a bad endaddr. */ | |
5c80ed9d | 422 | for (pp = objfile->global_psymbols.list + psymtab->globals_offset; |
95cf5869 DE |
423 | (pp - (objfile->global_psymbols.list + psymtab->globals_offset) |
424 | < psymtab->n_global_syms); | |
ccefe4c4 TT |
425 | pp++) |
426 | { | |
427 | p = *pp; | |
428 | if (SYMBOL_DOMAIN (p) == VAR_DOMAIN | |
dbccfd4c | 429 | && PSYMBOL_CLASS (p) == LOC_BLOCK |
ccefe4c4 TT |
430 | && pc >= SYMBOL_VALUE_ADDRESS (p) |
431 | && (SYMBOL_VALUE_ADDRESS (p) > best_pc | |
432 | || (psymtab->textlow == 0 | |
433 | && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0))) | |
434 | { | |
95cf5869 | 435 | if (section != NULL) /* Match on a specific section. */ |
ccefe4c4 | 436 | { |
5c80ed9d | 437 | fixup_psymbol_section (p, objfile); |
e27d198c TT |
438 | if (!matching_obj_sections (SYMBOL_OBJ_SECTION (objfile, p), |
439 | section)) | |
ccefe4c4 TT |
440 | continue; |
441 | } | |
442 | best_pc = SYMBOL_VALUE_ADDRESS (p); | |
443 | best = p; | |
444 | } | |
445 | } | |
446 | ||
5c80ed9d | 447 | for (pp = objfile->static_psymbols.list + psymtab->statics_offset; |
95cf5869 DE |
448 | (pp - (objfile->static_psymbols.list + psymtab->statics_offset) |
449 | < psymtab->n_static_syms); | |
ccefe4c4 TT |
450 | pp++) |
451 | { | |
452 | p = *pp; | |
453 | if (SYMBOL_DOMAIN (p) == VAR_DOMAIN | |
dbccfd4c | 454 | && PSYMBOL_CLASS (p) == LOC_BLOCK |
ccefe4c4 TT |
455 | && pc >= SYMBOL_VALUE_ADDRESS (p) |
456 | && (SYMBOL_VALUE_ADDRESS (p) > best_pc | |
457 | || (psymtab->textlow == 0 | |
458 | && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0))) | |
459 | { | |
95cf5869 | 460 | if (section != NULL) /* Match on a specific section. */ |
ccefe4c4 | 461 | { |
5c80ed9d | 462 | fixup_psymbol_section (p, objfile); |
e27d198c TT |
463 | if (!matching_obj_sections (SYMBOL_OBJ_SECTION (objfile, p), |
464 | section)) | |
ccefe4c4 TT |
465 | continue; |
466 | } | |
467 | best_pc = SYMBOL_VALUE_ADDRESS (p); | |
468 | best = p; | |
469 | } | |
470 | } | |
471 | ||
472 | return best; | |
473 | } | |
474 | ||
50da2f25 | 475 | static void |
ccefe4c4 TT |
476 | fixup_psymbol_section (struct partial_symbol *psym, struct objfile *objfile) |
477 | { | |
478 | CORE_ADDR addr; | |
479 | ||
95cf5869 | 480 | if (psym == NULL) |
e27d198c TT |
481 | return; |
482 | ||
483 | if (SYMBOL_SECTION (psym) >= 0) | |
50da2f25 | 484 | return; |
ccefe4c4 TT |
485 | |
486 | gdb_assert (objfile); | |
487 | ||
dbccfd4c | 488 | switch (PSYMBOL_CLASS (psym)) |
ccefe4c4 TT |
489 | { |
490 | case LOC_STATIC: | |
491 | case LOC_LABEL: | |
492 | case LOC_BLOCK: | |
493 | addr = SYMBOL_VALUE_ADDRESS (psym); | |
494 | break; | |
495 | default: | |
496 | /* Nothing else will be listed in the minsyms -- no use looking | |
497 | it up. */ | |
50da2f25 | 498 | return; |
ccefe4c4 TT |
499 | } |
500 | ||
501 | fixup_section (&psym->ginfo, addr, objfile); | |
ccefe4c4 TT |
502 | } |
503 | ||
95cf5869 DE |
504 | /* Psymtab version of lookup_symbol. See its definition in |
505 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 506 | |
43f3e411 | 507 | static struct compunit_symtab * |
83827540 DE |
508 | psym_lookup_symbol (struct objfile *objfile, |
509 | int block_index, const char *name, | |
510 | const domain_enum domain) | |
ccefe4c4 TT |
511 | { |
512 | struct partial_symtab *ps; | |
513 | const int psymtab_index = (block_index == GLOBAL_BLOCK ? 1 : 0); | |
43f3e411 | 514 | struct compunit_symtab *stab_best = NULL; |
ccefe4c4 | 515 | |
b11896a5 | 516 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 | 517 | { |
5c80ed9d TT |
518 | if (!ps->readin && lookup_partial_symbol (objfile, ps, name, |
519 | psymtab_index, domain)) | |
c00f8484 | 520 | { |
b2e2f908 | 521 | struct symbol *sym, *with_opaque = NULL; |
43f3e411 | 522 | struct compunit_symtab *stab = psymtab_to_symtab (objfile, ps); |
f194fefb DE |
523 | /* Note: While psymtab_to_symtab can return NULL if the partial symtab |
524 | is empty, we can assume it won't here because lookup_partial_symbol | |
525 | succeeded. */ | |
43f3e411 | 526 | const struct blockvector *bv = COMPUNIT_BLOCKVECTOR (stab); |
f194fefb | 527 | struct block *block = BLOCKVECTOR_BLOCK (bv, block_index); |
c00f8484 | 528 | |
b2e2f908 DE |
529 | sym = block_find_symbol (block, name, domain, |
530 | block_find_non_opaque_type_preferred, | |
531 | &with_opaque); | |
532 | ||
c00f8484 | 533 | /* Some caution must be observed with overloaded functions |
b2e2f908 | 534 | and methods, since the index will not contain any overload |
c00f8484 | 535 | information (but NAME might contain it). */ |
bfb05775 | 536 | |
b2e2f908 DE |
537 | if (sym != NULL |
538 | && strcmp_iw (SYMBOL_SEARCH_NAME (sym), name) == 0) | |
539 | return stab; | |
540 | if (with_opaque != NULL | |
541 | && strcmp_iw (SYMBOL_SEARCH_NAME (with_opaque), name) == 0) | |
542 | stab_best = stab; | |
c00f8484 KS |
543 | |
544 | /* Keep looking through other psymtabs. */ | |
545 | } | |
ccefe4c4 TT |
546 | } |
547 | ||
bfb05775 | 548 | return stab_best; |
ccefe4c4 TT |
549 | } |
550 | ||
40658b94 PH |
551 | /* Look in PST for a symbol in DOMAIN whose name matches NAME. Search |
552 | the global block of PST if GLOBAL, and otherwise the static block. | |
553 | MATCH is the comparison operation that returns true iff MATCH (s, | |
554 | NAME), where s is a SYMBOL_SEARCH_NAME. If ORDERED_COMPARE is | |
555 | non-null, the symbols in the block are assumed to be ordered | |
556 | according to it (allowing binary search). It must be compatible | |
557 | with MATCH. Returns the symbol, if found, and otherwise NULL. */ | |
558 | ||
559 | static struct partial_symbol * | |
5c80ed9d TT |
560 | match_partial_symbol (struct objfile *objfile, |
561 | struct partial_symtab *pst, int global, | |
40658b94 | 562 | const char *name, domain_enum domain, |
2edb89d3 JK |
563 | symbol_compare_ftype *match, |
564 | symbol_compare_ftype *ordered_compare) | |
40658b94 PH |
565 | { |
566 | struct partial_symbol **start, **psym; | |
567 | struct partial_symbol **top, **real_top, **bottom, **center; | |
568 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
569 | int do_linear_search = 1; | |
570 | ||
571 | if (length == 0) | |
572 | return NULL; | |
573 | start = (global ? | |
5c80ed9d TT |
574 | objfile->global_psymbols.list + pst->globals_offset : |
575 | objfile->static_psymbols.list + pst->statics_offset); | |
40658b94 PH |
576 | |
577 | if (global && ordered_compare) /* Can use a binary search. */ | |
578 | { | |
579 | do_linear_search = 0; | |
580 | ||
581 | /* Binary search. This search is guaranteed to end with center | |
582 | pointing at the earliest partial symbol whose name might be | |
583 | correct. At that point *all* partial symbols with an | |
584 | appropriate name will be checked against the correct | |
585 | domain. */ | |
586 | ||
587 | bottom = start; | |
588 | top = start + length - 1; | |
589 | real_top = top; | |
590 | while (top > bottom) | |
591 | { | |
592 | center = bottom + (top - bottom) / 2; | |
593 | gdb_assert (center < top); | |
40658b94 PH |
594 | if (ordered_compare (SYMBOL_SEARCH_NAME (*center), name) >= 0) |
595 | top = center; | |
596 | else | |
597 | bottom = center + 1; | |
598 | } | |
599 | gdb_assert (top == bottom); | |
600 | ||
601 | while (top <= real_top | |
602 | && match (SYMBOL_SEARCH_NAME (*top), name) == 0) | |
603 | { | |
4186eb54 KS |
604 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*top), |
605 | SYMBOL_DOMAIN (*top), domain)) | |
40658b94 PH |
606 | return *top; |
607 | top++; | |
608 | } | |
609 | } | |
610 | ||
611 | /* Can't use a binary search or else we found during the binary search that | |
612 | we should also do a linear search. */ | |
613 | ||
614 | if (do_linear_search) | |
615 | { | |
616 | for (psym = start; psym < start + length; psym++) | |
617 | { | |
4186eb54 KS |
618 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym), |
619 | SYMBOL_DOMAIN (*psym), domain) | |
40658b94 PH |
620 | && match (SYMBOL_SEARCH_NAME (*psym), name) == 0) |
621 | return *psym; | |
622 | } | |
623 | } | |
624 | ||
625 | return NULL; | |
626 | } | |
627 | ||
c00f8484 KS |
628 | /* Returns the name used to search psymtabs. Unlike symtabs, psymtabs do |
629 | not contain any method/function instance information (since this would | |
630 | force reading type information while reading psymtabs). Therefore, | |
631 | if NAME contains overload information, it must be stripped before searching | |
632 | psymtabs. | |
633 | ||
634 | The caller is responsible for freeing the return result. */ | |
635 | ||
636 | static char * | |
637 | psymtab_search_name (const char *name) | |
638 | { | |
639 | switch (current_language->la_language) | |
640 | { | |
641 | case language_cplus: | |
c00f8484 | 642 | { |
b2a919a8 DE |
643 | if (strchr (name, '(')) |
644 | { | |
645 | char *ret = cp_remove_params (name); | |
c00f8484 | 646 | |
b2a919a8 DE |
647 | if (ret) |
648 | return ret; | |
649 | } | |
c00f8484 KS |
650 | } |
651 | break; | |
652 | ||
653 | default: | |
654 | break; | |
655 | } | |
656 | ||
657 | return xstrdup (name); | |
658 | } | |
659 | ||
ccefe4c4 | 660 | /* Look, in partial_symtab PST, for symbol whose natural name is NAME. |
40658b94 | 661 | Check the global symbols if GLOBAL, the static symbols if not. */ |
ccefe4c4 | 662 | |
18430289 | 663 | static struct partial_symbol * |
5c80ed9d TT |
664 | lookup_partial_symbol (struct objfile *objfile, |
665 | struct partial_symtab *pst, const char *name, | |
ccefe4c4 TT |
666 | int global, domain_enum domain) |
667 | { | |
ccefe4c4 TT |
668 | struct partial_symbol **start, **psym; |
669 | struct partial_symbol **top, **real_top, **bottom, **center; | |
670 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
671 | int do_linear_search = 1; | |
c00f8484 KS |
672 | char *search_name; |
673 | struct cleanup *cleanup; | |
ccefe4c4 TT |
674 | |
675 | if (length == 0) | |
95cf5869 | 676 | return NULL; |
c00f8484 KS |
677 | |
678 | search_name = psymtab_search_name (name); | |
679 | cleanup = make_cleanup (xfree, search_name); | |
ccefe4c4 | 680 | start = (global ? |
5c80ed9d TT |
681 | objfile->global_psymbols.list + pst->globals_offset : |
682 | objfile->static_psymbols.list + pst->statics_offset); | |
ccefe4c4 | 683 | |
0df8b418 | 684 | if (global) /* This means we can use a binary search. */ |
ccefe4c4 TT |
685 | { |
686 | do_linear_search = 0; | |
687 | ||
688 | /* Binary search. This search is guaranteed to end with center | |
689 | pointing at the earliest partial symbol whose name might be | |
690 | correct. At that point *all* partial symbols with an | |
691 | appropriate name will be checked against the correct | |
692 | domain. */ | |
693 | ||
694 | bottom = start; | |
695 | top = start + length - 1; | |
696 | real_top = top; | |
697 | while (top > bottom) | |
698 | { | |
699 | center = bottom + (top - bottom) / 2; | |
700 | if (!(center < top)) | |
3e43a32a MS |
701 | internal_error (__FILE__, __LINE__, |
702 | _("failed internal consistency check")); | |
c00f8484 KS |
703 | if (strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*center), |
704 | search_name) >= 0) | |
ccefe4c4 TT |
705 | { |
706 | top = center; | |
707 | } | |
708 | else | |
709 | { | |
710 | bottom = center + 1; | |
711 | } | |
712 | } | |
713 | if (!(top == bottom)) | |
3e43a32a MS |
714 | internal_error (__FILE__, __LINE__, |
715 | _("failed internal consistency check")); | |
ccefe4c4 | 716 | |
559a7a62 JK |
717 | /* For `case_sensitivity == case_sensitive_off' strcmp_iw_ordered will |
718 | search more exactly than what matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
719 | while (top >= start && SYMBOL_MATCHES_SEARCH_NAME (*top, search_name)) | |
720 | top--; | |
721 | ||
722 | /* Fixup to have a symbol which matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
723 | top++; | |
724 | ||
725 | while (top <= real_top && SYMBOL_MATCHES_SEARCH_NAME (*top, search_name)) | |
ccefe4c4 | 726 | { |
4186eb54 KS |
727 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*top), |
728 | SYMBOL_DOMAIN (*top), domain)) | |
c00f8484 KS |
729 | { |
730 | do_cleanups (cleanup); | |
95cf5869 | 731 | return *top; |
c00f8484 | 732 | } |
ccefe4c4 TT |
733 | top++; |
734 | } | |
735 | } | |
736 | ||
737 | /* Can't use a binary search or else we found during the binary search that | |
40658b94 | 738 | we should also do a linear search. */ |
ccefe4c4 TT |
739 | |
740 | if (do_linear_search) | |
741 | { | |
742 | for (psym = start; psym < start + length; psym++) | |
743 | { | |
4186eb54 KS |
744 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym), |
745 | SYMBOL_DOMAIN (*psym), domain) | |
c00f8484 KS |
746 | && SYMBOL_MATCHES_SEARCH_NAME (*psym, search_name)) |
747 | { | |
748 | do_cleanups (cleanup); | |
95cf5869 | 749 | return *psym; |
c00f8484 | 750 | } |
ccefe4c4 TT |
751 | } |
752 | } | |
753 | ||
c00f8484 | 754 | do_cleanups (cleanup); |
95cf5869 | 755 | return NULL; |
ccefe4c4 TT |
756 | } |
757 | ||
758 | /* Get the symbol table that corresponds to a partial_symtab. | |
f194fefb DE |
759 | This is fast after the first time you do it. |
760 | The result will be NULL if the primary symtab has no symbols, | |
761 | which can happen. Otherwise the result is the primary symtab | |
762 | that contains PST. */ | |
ccefe4c4 | 763 | |
43f3e411 | 764 | static struct compunit_symtab * |
5c80ed9d | 765 | psymtab_to_symtab (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 766 | { |
9439a077 TT |
767 | /* If it is a shared psymtab, find an unshared psymtab that includes |
768 | it. Any such psymtab will do. */ | |
769 | while (pst->user != NULL) | |
770 | pst = pst->user; | |
771 | ||
0df8b418 | 772 | /* If it's been looked up before, return it. */ |
43f3e411 DE |
773 | if (pst->compunit_symtab) |
774 | return pst->compunit_symtab; | |
ccefe4c4 TT |
775 | |
776 | /* If it has not yet been read in, read it. */ | |
777 | if (!pst->readin) | |
778 | { | |
779 | struct cleanup *back_to = increment_reading_symtab (); | |
ad3bbd48 | 780 | |
257e7a09 | 781 | (*pst->read_symtab) (pst, objfile); |
ccefe4c4 TT |
782 | do_cleanups (back_to); |
783 | } | |
784 | ||
43f3e411 | 785 | return pst->compunit_symtab; |
ccefe4c4 TT |
786 | } |
787 | ||
95cf5869 DE |
788 | /* Psymtab version of relocate. See its definition in |
789 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 790 | |
ccefe4c4 | 791 | static void |
83827540 DE |
792 | psym_relocate (struct objfile *objfile, |
793 | const struct section_offsets *new_offsets, | |
794 | const struct section_offsets *delta) | |
ccefe4c4 TT |
795 | { |
796 | struct partial_symbol **psym; | |
797 | struct partial_symtab *p; | |
798 | ||
b11896a5 | 799 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) |
ccefe4c4 TT |
800 | { |
801 | p->textlow += ANOFFSET (delta, SECT_OFF_TEXT (objfile)); | |
802 | p->texthigh += ANOFFSET (delta, SECT_OFF_TEXT (objfile)); | |
803 | } | |
804 | ||
805 | for (psym = objfile->global_psymbols.list; | |
806 | psym < objfile->global_psymbols.next; | |
807 | psym++) | |
808 | { | |
809 | fixup_psymbol_section (*psym, objfile); | |
810 | if (SYMBOL_SECTION (*psym) >= 0) | |
811 | SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta, | |
812 | SYMBOL_SECTION (*psym)); | |
813 | } | |
814 | for (psym = objfile->static_psymbols.list; | |
815 | psym < objfile->static_psymbols.next; | |
816 | psym++) | |
817 | { | |
818 | fixup_psymbol_section (*psym, objfile); | |
819 | if (SYMBOL_SECTION (*psym) >= 0) | |
820 | SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta, | |
821 | SYMBOL_SECTION (*psym)); | |
822 | } | |
823 | } | |
824 | ||
95cf5869 DE |
825 | /* Psymtab version of find_last_source_symtab. See its definition in |
826 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 827 | |
ccefe4c4 | 828 | static struct symtab * |
83827540 | 829 | psym_find_last_source_symtab (struct objfile *ofp) |
ccefe4c4 | 830 | { |
ccefe4c4 | 831 | struct partial_symtab *ps; |
95cf5869 | 832 | struct partial_symtab *cs_pst = NULL; |
ccefe4c4 | 833 | |
b11896a5 | 834 | ALL_OBJFILE_PSYMTABS_REQUIRED (ofp, ps) |
ccefe4c4 TT |
835 | { |
836 | const char *name = ps->filename; | |
837 | int len = strlen (name); | |
ad3bbd48 | 838 | |
ccefe4c4 TT |
839 | if (!(len > 2 && (strcmp (&name[len - 2], ".h") == 0 |
840 | || strcmp (name, "<<C++-namespaces>>") == 0))) | |
841 | cs_pst = ps; | |
842 | } | |
843 | ||
844 | if (cs_pst) | |
845 | { | |
846 | if (cs_pst->readin) | |
847 | { | |
848 | internal_error (__FILE__, __LINE__, | |
849 | _("select_source_symtab: " | |
850 | "readin pst found and no symtabs.")); | |
851 | } | |
852 | else | |
43f3e411 DE |
853 | { |
854 | struct compunit_symtab *cust = psymtab_to_symtab (ofp, cs_pst); | |
855 | ||
856 | if (cust == NULL) | |
857 | return NULL; | |
858 | return compunit_primary_filetab (cust); | |
859 | } | |
ccefe4c4 TT |
860 | } |
861 | return NULL; | |
862 | } | |
863 | ||
95cf5869 DE |
864 | /* Psymtab version of forget_cached_source_info. See its definition in |
865 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 866 | |
ccefe4c4 | 867 | static void |
83827540 | 868 | psym_forget_cached_source_info (struct objfile *objfile) |
ccefe4c4 TT |
869 | { |
870 | struct partial_symtab *pst; | |
871 | ||
b11896a5 | 872 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
ccefe4c4 TT |
873 | { |
874 | if (pst->fullname != NULL) | |
875 | { | |
876 | xfree (pst->fullname); | |
877 | pst->fullname = NULL; | |
878 | } | |
879 | } | |
880 | } | |
881 | ||
882 | static void | |
883 | print_partial_symbols (struct gdbarch *gdbarch, | |
884 | struct partial_symbol **p, int count, char *what, | |
885 | struct ui_file *outfile) | |
886 | { | |
887 | fprintf_filtered (outfile, " %s partial symbols:\n", what); | |
888 | while (count-- > 0) | |
889 | { | |
27618ce4 | 890 | QUIT; |
ccefe4c4 TT |
891 | fprintf_filtered (outfile, " `%s'", SYMBOL_LINKAGE_NAME (*p)); |
892 | if (SYMBOL_DEMANGLED_NAME (*p) != NULL) | |
893 | { | |
894 | fprintf_filtered (outfile, " `%s'", SYMBOL_DEMANGLED_NAME (*p)); | |
895 | } | |
896 | fputs_filtered (", ", outfile); | |
897 | switch (SYMBOL_DOMAIN (*p)) | |
898 | { | |
899 | case UNDEF_DOMAIN: | |
900 | fputs_filtered ("undefined domain, ", outfile); | |
901 | break; | |
902 | case VAR_DOMAIN: | |
0df8b418 | 903 | /* This is the usual thing -- don't print it. */ |
ccefe4c4 TT |
904 | break; |
905 | case STRUCT_DOMAIN: | |
906 | fputs_filtered ("struct domain, ", outfile); | |
907 | break; | |
908 | case LABEL_DOMAIN: | |
909 | fputs_filtered ("label domain, ", outfile); | |
910 | break; | |
911 | default: | |
912 | fputs_filtered ("<invalid domain>, ", outfile); | |
913 | break; | |
914 | } | |
dbccfd4c | 915 | switch (PSYMBOL_CLASS (*p)) |
ccefe4c4 TT |
916 | { |
917 | case LOC_UNDEF: | |
918 | fputs_filtered ("undefined", outfile); | |
919 | break; | |
920 | case LOC_CONST: | |
921 | fputs_filtered ("constant int", outfile); | |
922 | break; | |
923 | case LOC_STATIC: | |
924 | fputs_filtered ("static", outfile); | |
925 | break; | |
926 | case LOC_REGISTER: | |
927 | fputs_filtered ("register", outfile); | |
928 | break; | |
929 | case LOC_ARG: | |
930 | fputs_filtered ("pass by value", outfile); | |
931 | break; | |
932 | case LOC_REF_ARG: | |
933 | fputs_filtered ("pass by reference", outfile); | |
934 | break; | |
935 | case LOC_REGPARM_ADDR: | |
936 | fputs_filtered ("register address parameter", outfile); | |
937 | break; | |
938 | case LOC_LOCAL: | |
939 | fputs_filtered ("stack parameter", outfile); | |
940 | break; | |
941 | case LOC_TYPEDEF: | |
942 | fputs_filtered ("type", outfile); | |
943 | break; | |
944 | case LOC_LABEL: | |
945 | fputs_filtered ("label", outfile); | |
946 | break; | |
947 | case LOC_BLOCK: | |
948 | fputs_filtered ("function", outfile); | |
949 | break; | |
950 | case LOC_CONST_BYTES: | |
951 | fputs_filtered ("constant bytes", outfile); | |
952 | break; | |
953 | case LOC_UNRESOLVED: | |
954 | fputs_filtered ("unresolved", outfile); | |
955 | break; | |
956 | case LOC_OPTIMIZED_OUT: | |
957 | fputs_filtered ("optimized out", outfile); | |
958 | break; | |
959 | case LOC_COMPUTED: | |
960 | fputs_filtered ("computed at runtime", outfile); | |
961 | break; | |
962 | default: | |
963 | fputs_filtered ("<invalid location>", outfile); | |
964 | break; | |
965 | } | |
966 | fputs_filtered (", ", outfile); | |
967 | fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (*p)), outfile); | |
968 | fprintf_filtered (outfile, "\n"); | |
969 | p++; | |
970 | } | |
971 | } | |
972 | ||
973 | static void | |
974 | dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab, | |
975 | struct ui_file *outfile) | |
976 | { | |
977 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
978 | int i; | |
979 | ||
b4c41fc7 DE |
980 | if (psymtab->anonymous) |
981 | { | |
982 | fprintf_filtered (outfile, "\nAnonymous partial symtab (%s) ", | |
983 | psymtab->filename); | |
984 | } | |
985 | else | |
986 | { | |
987 | fprintf_filtered (outfile, "\nPartial symtab for source file %s ", | |
988 | psymtab->filename); | |
989 | } | |
ccefe4c4 TT |
990 | fprintf_filtered (outfile, "(object "); |
991 | gdb_print_host_address (psymtab, outfile); | |
992 | fprintf_filtered (outfile, ")\n\n"); | |
993 | fprintf_unfiltered (outfile, " Read from object file %s (", | |
4262abfb | 994 | objfile_name (objfile)); |
ccefe4c4 TT |
995 | gdb_print_host_address (objfile, outfile); |
996 | fprintf_unfiltered (outfile, ")\n"); | |
997 | ||
998 | if (psymtab->readin) | |
999 | { | |
1000 | fprintf_filtered (outfile, | |
1001 | " Full symtab was read (at "); | |
43f3e411 | 1002 | gdb_print_host_address (psymtab->compunit_symtab, outfile); |
ccefe4c4 TT |
1003 | fprintf_filtered (outfile, " by function at "); |
1004 | gdb_print_host_address (psymtab->read_symtab, outfile); | |
1005 | fprintf_filtered (outfile, ")\n"); | |
1006 | } | |
1007 | ||
ccefe4c4 TT |
1008 | fprintf_filtered (outfile, " Symbols cover text addresses "); |
1009 | fputs_filtered (paddress (gdbarch, psymtab->textlow), outfile); | |
1010 | fprintf_filtered (outfile, "-"); | |
1011 | fputs_filtered (paddress (gdbarch, psymtab->texthigh), outfile); | |
1012 | fprintf_filtered (outfile, "\n"); | |
9750bca9 JK |
1013 | fprintf_filtered (outfile, " Address map supported - %s.\n", |
1014 | psymtab->psymtabs_addrmap_supported ? "yes" : "no"); | |
ccefe4c4 TT |
1015 | fprintf_filtered (outfile, " Depends on %d other partial symtabs.\n", |
1016 | psymtab->number_of_dependencies); | |
1017 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
1018 | { | |
1019 | fprintf_filtered (outfile, " %d ", i); | |
1020 | gdb_print_host_address (psymtab->dependencies[i], outfile); | |
1021 | fprintf_filtered (outfile, " %s\n", | |
1022 | psymtab->dependencies[i]->filename); | |
1023 | } | |
9439a077 TT |
1024 | if (psymtab->user != NULL) |
1025 | { | |
1026 | fprintf_filtered (outfile, " Shared partial symtab with user "); | |
1027 | gdb_print_host_address (psymtab->user, outfile); | |
1028 | fprintf_filtered (outfile, "\n"); | |
1029 | } | |
ccefe4c4 TT |
1030 | if (psymtab->n_global_syms > 0) |
1031 | { | |
1032 | print_partial_symbols (gdbarch, | |
1033 | objfile->global_psymbols.list | |
1034 | + psymtab->globals_offset, | |
1035 | psymtab->n_global_syms, "Global", outfile); | |
1036 | } | |
1037 | if (psymtab->n_static_syms > 0) | |
1038 | { | |
1039 | print_partial_symbols (gdbarch, | |
1040 | objfile->static_psymbols.list | |
1041 | + psymtab->statics_offset, | |
1042 | psymtab->n_static_syms, "Static", outfile); | |
1043 | } | |
1044 | fprintf_filtered (outfile, "\n"); | |
1045 | } | |
1046 | ||
95cf5869 DE |
1047 | /* Psymtab version of print_stats. See its definition in |
1048 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1049 | |
ccefe4c4 | 1050 | static void |
83827540 | 1051 | psym_print_stats (struct objfile *objfile) |
ccefe4c4 TT |
1052 | { |
1053 | int i; | |
1054 | struct partial_symtab *ps; | |
ad3bbd48 | 1055 | |
ccefe4c4 | 1056 | i = 0; |
b11896a5 | 1057 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1058 | { |
1059 | if (ps->readin == 0) | |
1060 | i++; | |
1061 | } | |
1062 | printf_filtered (_(" Number of psym tables (not yet expanded): %d\n"), i); | |
1063 | } | |
1064 | ||
95cf5869 DE |
1065 | /* Psymtab version of dump. See its definition in |
1066 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1067 | |
ccefe4c4 | 1068 | static void |
83827540 | 1069 | psym_dump (struct objfile *objfile) |
ccefe4c4 TT |
1070 | { |
1071 | struct partial_symtab *psymtab; | |
1072 | ||
1073 | if (objfile->psymtabs) | |
1074 | { | |
1075 | printf_filtered ("Psymtabs:\n"); | |
1076 | for (psymtab = objfile->psymtabs; | |
1077 | psymtab != NULL; | |
1078 | psymtab = psymtab->next) | |
1079 | { | |
1080 | printf_filtered ("%s at ", | |
1081 | psymtab->filename); | |
1082 | gdb_print_host_address (psymtab, gdb_stdout); | |
1083 | printf_filtered (", "); | |
ccefe4c4 TT |
1084 | wrap_here (" "); |
1085 | } | |
1086 | printf_filtered ("\n\n"); | |
1087 | } | |
1088 | } | |
1089 | ||
95cf5869 DE |
1090 | /* Psymtab version of expand_symtabs_for_function. See its definition in |
1091 | the definition of quick_symbol_functions in symfile.h. */ | |
ccefe4c4 TT |
1092 | |
1093 | static void | |
83827540 DE |
1094 | psym_expand_symtabs_for_function (struct objfile *objfile, |
1095 | const char *func_name) | |
ccefe4c4 TT |
1096 | { |
1097 | struct partial_symtab *ps; | |
1098 | ||
b11896a5 | 1099 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1100 | { |
1101 | if (ps->readin) | |
1102 | continue; | |
1103 | ||
5c80ed9d | 1104 | if ((lookup_partial_symbol (objfile, ps, func_name, 1, VAR_DOMAIN) |
ccefe4c4 | 1105 | != NULL) |
5c80ed9d | 1106 | || (lookup_partial_symbol (objfile, ps, func_name, 0, VAR_DOMAIN) |
ccefe4c4 | 1107 | != NULL)) |
5c80ed9d | 1108 | psymtab_to_symtab (objfile, ps); |
ccefe4c4 TT |
1109 | } |
1110 | } | |
1111 | ||
95cf5869 DE |
1112 | /* Psymtab version of expand_all_symtabs. See its definition in |
1113 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1114 | |
ccefe4c4 | 1115 | static void |
83827540 | 1116 | psym_expand_all_symtabs (struct objfile *objfile) |
ccefe4c4 TT |
1117 | { |
1118 | struct partial_symtab *psymtab; | |
1119 | ||
b11896a5 | 1120 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab) |
ccefe4c4 | 1121 | { |
5c80ed9d | 1122 | psymtab_to_symtab (objfile, psymtab); |
ccefe4c4 TT |
1123 | } |
1124 | } | |
1125 | ||
95cf5869 DE |
1126 | /* Psymtab version of expand_symtabs_with_fullname. See its definition in |
1127 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1128 | |
ccefe4c4 | 1129 | static void |
83827540 DE |
1130 | psym_expand_symtabs_with_fullname (struct objfile *objfile, |
1131 | const char *fullname) | |
ccefe4c4 TT |
1132 | { |
1133 | struct partial_symtab *p; | |
1134 | ||
b11896a5 | 1135 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) |
ccefe4c4 | 1136 | { |
b4c41fc7 DE |
1137 | /* Anonymous psymtabs don't have a name of a source file. */ |
1138 | if (p->anonymous) | |
1139 | continue; | |
1140 | ||
5ff888ce DE |
1141 | /* psymtab_to_fullname tries to open the file which is slow. |
1142 | Don't call it if we know the basenames don't match. */ | |
1143 | if ((basenames_may_differ | |
1144 | || filename_cmp (lbasename (fullname), lbasename (p->filename)) == 0) | |
1145 | && filename_cmp (fullname, psymtab_to_fullname (p)) == 0) | |
5c80ed9d | 1146 | psymtab_to_symtab (objfile, p); |
ccefe4c4 TT |
1147 | } |
1148 | } | |
1149 | ||
95cf5869 DE |
1150 | /* Psymtab version of map_symbol_filenames. See its definition in |
1151 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1152 | |
ccefe4c4 | 1153 | static void |
83827540 DE |
1154 | psym_map_symbol_filenames (struct objfile *objfile, |
1155 | symbol_filename_ftype *fun, void *data, | |
1156 | int need_fullname) | |
ccefe4c4 TT |
1157 | { |
1158 | struct partial_symtab *ps; | |
1159 | ||
b11896a5 | 1160 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1161 | { |
1162 | const char *fullname; | |
1163 | ||
1164 | if (ps->readin) | |
1165 | continue; | |
1166 | ||
f80c6f3f DE |
1167 | /* We can skip shared psymtabs here, because any file name will be |
1168 | attached to the unshared psymtab. */ | |
1169 | if (ps->user != NULL) | |
1170 | continue; | |
1171 | ||
b4c41fc7 DE |
1172 | /* Anonymous psymtabs don't have a file name. */ |
1173 | if (ps->anonymous) | |
1174 | continue; | |
1175 | ||
821296b7 | 1176 | QUIT; |
74e2f255 DE |
1177 | if (need_fullname) |
1178 | fullname = psymtab_to_fullname (ps); | |
1179 | else | |
1180 | fullname = NULL; | |
2837d59e | 1181 | (*fun) (ps->filename, fullname, data); |
ccefe4c4 TT |
1182 | } |
1183 | } | |
1184 | ||
ccefe4c4 TT |
1185 | /* Finds the fullname that a partial_symtab represents. |
1186 | ||
1187 | If this functions finds the fullname, it will save it in ps->fullname | |
1188 | and it will also return the value. | |
1189 | ||
1190 | If this function fails to find the file that this partial_symtab represents, | |
1191 | NULL will be returned and ps->fullname will be set to NULL. */ | |
256f06f3 | 1192 | |
da5132d3 | 1193 | static const char * |
ccefe4c4 TT |
1194 | psymtab_to_fullname (struct partial_symtab *ps) |
1195 | { | |
fbd9ab74 | 1196 | gdb_assert (!ps->anonymous); |
ccefe4c4 | 1197 | |
256f06f3 DE |
1198 | /* Use cached copy if we have it. |
1199 | We rely on forget_cached_source_info being called appropriately | |
1200 | to handle cases like the file being moved. */ | |
fbd9ab74 JK |
1201 | if (ps->fullname == NULL) |
1202 | { | |
1203 | int fd = find_and_open_source (ps->filename, ps->dirname, &ps->fullname); | |
256f06f3 | 1204 | |
fbd9ab74 JK |
1205 | if (fd >= 0) |
1206 | close (fd); | |
1207 | else | |
1208 | { | |
1209 | char *fullname; | |
1210 | struct cleanup *back_to; | |
ccefe4c4 | 1211 | |
fbd9ab74 JK |
1212 | /* rewrite_source_path would be applied by find_and_open_source, we |
1213 | should report the pathname where GDB tried to find the file. */ | |
ccefe4c4 | 1214 | |
fbd9ab74 JK |
1215 | if (ps->dirname == NULL || IS_ABSOLUTE_PATH (ps->filename)) |
1216 | fullname = xstrdup (ps->filename); | |
1217 | else | |
b36cec19 PA |
1218 | fullname = concat (ps->dirname, SLASH_STRING, |
1219 | ps->filename, (char *) NULL); | |
fbd9ab74 JK |
1220 | |
1221 | back_to = make_cleanup (xfree, fullname); | |
1222 | ps->fullname = rewrite_source_path (fullname); | |
1223 | if (ps->fullname == NULL) | |
1224 | ps->fullname = xstrdup (fullname); | |
1225 | do_cleanups (back_to); | |
1226 | } | |
95cf5869 | 1227 | } |
fbd9ab74 JK |
1228 | |
1229 | return ps->fullname; | |
ccefe4c4 TT |
1230 | } |
1231 | ||
95cf5869 DE |
1232 | /* For all symbols, s, in BLOCK that are in DOMAIN and match NAME |
1233 | according to the function MATCH, call CALLBACK(BLOCK, s, DATA). | |
1234 | BLOCK is assumed to come from OBJFILE. Returns 1 iff CALLBACK | |
1235 | ever returns non-zero, and otherwise returns 0. */ | |
ccefe4c4 | 1236 | |
40658b94 | 1237 | static int |
fe978cb0 | 1238 | map_block (const char *name, domain_enum domain, struct objfile *objfile, |
40658b94 PH |
1239 | struct block *block, |
1240 | int (*callback) (struct block *, struct symbol *, void *), | |
2edb89d3 | 1241 | void *data, symbol_compare_ftype *match) |
ccefe4c4 | 1242 | { |
8157b174 | 1243 | struct block_iterator iter; |
40658b94 | 1244 | struct symbol *sym; |
ccefe4c4 | 1245 | |
8157b174 TT |
1246 | for (sym = block_iter_match_first (block, name, match, &iter); |
1247 | sym != NULL; sym = block_iter_match_next (name, match, &iter)) | |
ccefe4c4 | 1248 | { |
95cf5869 | 1249 | if (symbol_matches_domain (SYMBOL_LANGUAGE (sym), |
fe978cb0 | 1250 | SYMBOL_DOMAIN (sym), domain)) |
40658b94 PH |
1251 | { |
1252 | if (callback (block, sym, data)) | |
1253 | return 1; | |
1254 | } | |
ccefe4c4 TT |
1255 | } |
1256 | ||
40658b94 | 1257 | return 0; |
ccefe4c4 TT |
1258 | } |
1259 | ||
95cf5869 DE |
1260 | /* Psymtab version of map_matching_symbols. See its definition in |
1261 | the definition of quick_symbol_functions in symfile.h. */ | |
40658b94 | 1262 | |
ccefe4c4 | 1263 | static void |
83827540 | 1264 | psym_map_matching_symbols (struct objfile *objfile, |
fe978cb0 | 1265 | const char *name, domain_enum domain, |
83827540 DE |
1266 | int global, |
1267 | int (*callback) (struct block *, | |
1268 | struct symbol *, void *), | |
1269 | void *data, | |
1270 | symbol_compare_ftype *match, | |
1271 | symbol_compare_ftype *ordered_compare) | |
ccefe4c4 | 1272 | { |
40658b94 | 1273 | const int block_kind = global ? GLOBAL_BLOCK : STATIC_BLOCK; |
ccefe4c4 TT |
1274 | struct partial_symtab *ps; |
1275 | ||
b11896a5 | 1276 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1277 | { |
1278 | QUIT; | |
1279 | if (ps->readin | |
fe978cb0 | 1280 | || match_partial_symbol (objfile, ps, global, name, domain, match, |
40658b94 | 1281 | ordered_compare)) |
ccefe4c4 | 1282 | { |
43f3e411 | 1283 | struct compunit_symtab *cust = psymtab_to_symtab (objfile, ps); |
40658b94 | 1284 | struct block *block; |
ad3bbd48 | 1285 | |
43f3e411 | 1286 | if (cust == NULL) |
ccefe4c4 | 1287 | continue; |
43f3e411 | 1288 | block = BLOCKVECTOR_BLOCK (COMPUNIT_BLOCKVECTOR (cust), block_kind); |
fe978cb0 | 1289 | if (map_block (name, domain, objfile, block, |
40658b94 PH |
1290 | callback, data, match)) |
1291 | return; | |
1292 | if (callback (block, NULL, data)) | |
1293 | return; | |
ccefe4c4 TT |
1294 | } |
1295 | } | |
95cf5869 | 1296 | } |
ccefe4c4 | 1297 | |
83827540 | 1298 | /* A helper for psym_expand_symtabs_matching that handles |
9439a077 TT |
1299 | searching included psymtabs. This returns 1 if a symbol is found, |
1300 | and zero otherwise. It also updates the 'searched_flag' on the | |
1301 | various psymtabs that it searches. */ | |
1302 | ||
1303 | static int | |
1304 | recursively_search_psymtabs (struct partial_symtab *ps, | |
1305 | struct objfile *objfile, | |
1306 | enum search_domain kind, | |
206f2a57 | 1307 | expand_symtabs_symbol_matcher_ftype *sym_matcher, |
9439a077 TT |
1308 | void *data) |
1309 | { | |
1310 | struct partial_symbol **psym; | |
1311 | struct partial_symbol **bound, **gbound, **sbound; | |
1312 | int keep_going = 1; | |
f486487f | 1313 | enum psymtab_search_status result = PST_SEARCHED_AND_NOT_FOUND; |
9439a077 TT |
1314 | int i; |
1315 | ||
1316 | if (ps->searched_flag != PST_NOT_SEARCHED) | |
1317 | return ps->searched_flag == PST_SEARCHED_AND_FOUND; | |
1318 | ||
1319 | /* Recurse into shared psymtabs first, because they may have already | |
1320 | been searched, and this could save some time. */ | |
1321 | for (i = 0; i < ps->number_of_dependencies; ++i) | |
1322 | { | |
1323 | int r; | |
1324 | ||
1325 | /* Skip non-shared dependencies, these are handled elsewhere. */ | |
1326 | if (ps->dependencies[i]->user == NULL) | |
1327 | continue; | |
1328 | ||
1329 | r = recursively_search_psymtabs (ps->dependencies[i], | |
206f2a57 | 1330 | objfile, kind, sym_matcher, data); |
9439a077 TT |
1331 | if (r != 0) |
1332 | { | |
1333 | ps->searched_flag = PST_SEARCHED_AND_FOUND; | |
1334 | return 1; | |
1335 | } | |
1336 | } | |
1337 | ||
1338 | gbound = (objfile->global_psymbols.list | |
1339 | + ps->globals_offset + ps->n_global_syms); | |
1340 | sbound = (objfile->static_psymbols.list | |
1341 | + ps->statics_offset + ps->n_static_syms); | |
1342 | bound = gbound; | |
1343 | ||
1344 | /* Go through all of the symbols stored in a partial | |
1345 | symtab in one loop. */ | |
1346 | psym = objfile->global_psymbols.list + ps->globals_offset; | |
1347 | while (keep_going) | |
1348 | { | |
1349 | if (psym >= bound) | |
1350 | { | |
1351 | if (bound == gbound && ps->n_static_syms != 0) | |
1352 | { | |
1353 | psym = objfile->static_psymbols.list + ps->statics_offset; | |
1354 | bound = sbound; | |
1355 | } | |
1356 | else | |
1357 | keep_going = 0; | |
1358 | continue; | |
1359 | } | |
1360 | else | |
1361 | { | |
1362 | QUIT; | |
1363 | ||
1364 | if ((kind == ALL_DOMAIN | |
1365 | || (kind == VARIABLES_DOMAIN | |
dbccfd4c TT |
1366 | && PSYMBOL_CLASS (*psym) != LOC_TYPEDEF |
1367 | && PSYMBOL_CLASS (*psym) != LOC_BLOCK) | |
9439a077 | 1368 | || (kind == FUNCTIONS_DOMAIN |
dbccfd4c | 1369 | && PSYMBOL_CLASS (*psym) == LOC_BLOCK) |
9439a077 | 1370 | || (kind == TYPES_DOMAIN |
dbccfd4c | 1371 | && PSYMBOL_CLASS (*psym) == LOC_TYPEDEF)) |
206f2a57 | 1372 | && (*sym_matcher) (SYMBOL_SEARCH_NAME (*psym), data)) |
9439a077 TT |
1373 | { |
1374 | /* Found a match, so notify our caller. */ | |
1375 | result = PST_SEARCHED_AND_FOUND; | |
1376 | keep_going = 0; | |
1377 | } | |
1378 | } | |
1379 | psym++; | |
1380 | } | |
1381 | ||
1382 | ps->searched_flag = result; | |
1383 | return result == PST_SEARCHED_AND_FOUND; | |
1384 | } | |
1385 | ||
95cf5869 DE |
1386 | /* Psymtab version of expand_symtabs_matching. See its definition in |
1387 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1388 | |
ccefe4c4 | 1389 | static void |
83827540 | 1390 | psym_expand_symtabs_matching |
f8eba3c6 | 1391 | (struct objfile *objfile, |
206f2a57 DE |
1392 | expand_symtabs_file_matcher_ftype *file_matcher, |
1393 | expand_symtabs_symbol_matcher_ftype *symbol_matcher, | |
276d885b | 1394 | expand_symtabs_exp_notify_ftype *expansion_notify, |
f8eba3c6 TT |
1395 | enum search_domain kind, |
1396 | void *data) | |
ccefe4c4 TT |
1397 | { |
1398 | struct partial_symtab *ps; | |
1399 | ||
9439a077 | 1400 | /* Clear the search flags. */ |
b11896a5 | 1401 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 | 1402 | { |
9439a077 TT |
1403 | ps->searched_flag = PST_NOT_SEARCHED; |
1404 | } | |
ccefe4c4 | 1405 | |
9439a077 TT |
1406 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
1407 | { | |
30b3dd9d DE |
1408 | QUIT; |
1409 | ||
ccefe4c4 TT |
1410 | if (ps->readin) |
1411 | continue; | |
1412 | ||
9439a077 TT |
1413 | /* We skip shared psymtabs because file-matching doesn't apply |
1414 | to them; but we search them later in the loop. */ | |
1415 | if (ps->user != NULL) | |
ccefe4c4 TT |
1416 | continue; |
1417 | ||
b4c41fc7 DE |
1418 | if (file_matcher) |
1419 | { | |
680d1742 DE |
1420 | int match; |
1421 | ||
b4c41fc7 DE |
1422 | if (ps->anonymous) |
1423 | continue; | |
fbd9ab74 | 1424 | |
680d1742 DE |
1425 | match = (*file_matcher) (ps->filename, data, 0); |
1426 | if (!match) | |
1427 | { | |
1428 | /* Before we invoke realpath, which can get expensive when many | |
1429 | files are involved, do a quick comparison of the basenames. */ | |
1430 | if (basenames_may_differ | |
fbd9ab74 | 1431 | || (*file_matcher) (lbasename (ps->filename), data, 1)) |
680d1742 DE |
1432 | match = (*file_matcher) (psymtab_to_fullname (ps), data, 0); |
1433 | } | |
1434 | if (!match) | |
b4c41fc7 DE |
1435 | continue; |
1436 | } | |
ccefe4c4 | 1437 | |
206f2a57 | 1438 | if (recursively_search_psymtabs (ps, objfile, kind, symbol_matcher, data)) |
276d885b GB |
1439 | { |
1440 | struct compunit_symtab *symtab = | |
1441 | psymtab_to_symtab (objfile, ps); | |
1442 | ||
1443 | if (expansion_notify != NULL) | |
1444 | expansion_notify (symtab, data); | |
1445 | } | |
ccefe4c4 TT |
1446 | } |
1447 | } | |
1448 | ||
95cf5869 DE |
1449 | /* Psymtab version of has_symbols. See its definition in |
1450 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1451 | |
ccefe4c4 | 1452 | static int |
83827540 | 1453 | psym_has_symbols (struct objfile *objfile) |
ccefe4c4 TT |
1454 | { |
1455 | return objfile->psymtabs != NULL; | |
1456 | } | |
1457 | ||
1458 | const struct quick_symbol_functions psym_functions = | |
1459 | { | |
83827540 DE |
1460 | psym_has_symbols, |
1461 | psym_find_last_source_symtab, | |
1462 | psym_forget_cached_source_info, | |
1463 | psym_map_symtabs_matching_filename, | |
1464 | psym_lookup_symbol, | |
1465 | psym_print_stats, | |
1466 | psym_dump, | |
1467 | psym_relocate, | |
1468 | psym_expand_symtabs_for_function, | |
1469 | psym_expand_all_symtabs, | |
1470 | psym_expand_symtabs_with_fullname, | |
1471 | psym_map_matching_symbols, | |
1472 | psym_expand_symtabs_matching, | |
1473 | psym_find_pc_sect_compunit_symtab, | |
1474 | psym_map_symbol_filenames | |
ccefe4c4 TT |
1475 | }; |
1476 | ||
1477 | \f | |
1478 | ||
1479 | /* This compares two partial symbols by names, using strcmp_iw_ordered | |
1480 | for the comparison. */ | |
1481 | ||
1482 | static int | |
1483 | compare_psymbols (const void *s1p, const void *s2p) | |
1484 | { | |
19ba03f4 SM |
1485 | struct partial_symbol *const *s1 = (struct partial_symbol * const*) s1p; |
1486 | struct partial_symbol *const *s2 = (struct partial_symbol * const*) s2p; | |
ccefe4c4 TT |
1487 | |
1488 | return strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*s1), | |
1489 | SYMBOL_SEARCH_NAME (*s2)); | |
1490 | } | |
1491 | ||
8763cede | 1492 | static void |
5c80ed9d | 1493 | sort_pst_symbols (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 1494 | { |
0df8b418 | 1495 | /* Sort the global list; don't sort the static list. */ |
ccefe4c4 | 1496 | |
5c80ed9d | 1497 | qsort (objfile->global_psymbols.list + pst->globals_offset, |
ccefe4c4 TT |
1498 | pst->n_global_syms, sizeof (struct partial_symbol *), |
1499 | compare_psymbols); | |
1500 | } | |
1501 | ||
1502 | /* Allocate and partially fill a partial symtab. It will be | |
1503 | completely filled at the end of the symbol list. | |
1504 | ||
0df8b418 | 1505 | FILENAME is the name of the symbol-file we are reading from. */ |
ccefe4c4 TT |
1506 | |
1507 | struct partial_symtab * | |
1508 | start_psymtab_common (struct objfile *objfile, | |
ccefe4c4 TT |
1509 | const char *filename, |
1510 | CORE_ADDR textlow, struct partial_symbol **global_syms, | |
1511 | struct partial_symbol **static_syms) | |
1512 | { | |
1513 | struct partial_symtab *psymtab; | |
1514 | ||
1515 | psymtab = allocate_psymtab (filename, objfile); | |
ccefe4c4 TT |
1516 | psymtab->textlow = textlow; |
1517 | psymtab->texthigh = psymtab->textlow; /* default */ | |
1518 | psymtab->globals_offset = global_syms - objfile->global_psymbols.list; | |
1519 | psymtab->statics_offset = static_syms - objfile->static_psymbols.list; | |
95cf5869 | 1520 | return psymtab; |
ccefe4c4 TT |
1521 | } |
1522 | ||
8763cede DE |
1523 | /* Perform "finishing up" operations of a partial symtab. */ |
1524 | ||
1525 | void | |
1526 | end_psymtab_common (struct objfile *objfile, struct partial_symtab *pst) | |
1527 | { | |
1528 | pst->n_global_syms | |
1529 | = objfile->global_psymbols.next - (objfile->global_psymbols.list | |
1530 | + pst->globals_offset); | |
1531 | pst->n_static_syms | |
1532 | = objfile->static_psymbols.next - (objfile->static_psymbols.list | |
1533 | + pst->statics_offset); | |
1534 | ||
1535 | sort_pst_symbols (objfile, pst); | |
1536 | } | |
1537 | ||
cbd70537 SW |
1538 | /* Calculate a hash code for the given partial symbol. The hash is |
1539 | calculated using the symbol's value, language, domain, class | |
0df8b418 | 1540 | and name. These are the values which are set by |
cbd70537 SW |
1541 | add_psymbol_to_bcache. */ |
1542 | ||
710e1a31 | 1543 | static unsigned long |
cbd70537 SW |
1544 | psymbol_hash (const void *addr, int length) |
1545 | { | |
1546 | unsigned long h = 0; | |
1547 | struct partial_symbol *psymbol = (struct partial_symbol *) addr; | |
1548 | unsigned int lang = psymbol->ginfo.language; | |
1549 | unsigned int domain = PSYMBOL_DOMAIN (psymbol); | |
fe978cb0 | 1550 | unsigned int theclass = PSYMBOL_CLASS (psymbol); |
cbd70537 SW |
1551 | |
1552 | h = hash_continue (&psymbol->ginfo.value, sizeof (psymbol->ginfo.value), h); | |
1553 | h = hash_continue (&lang, sizeof (unsigned int), h); | |
1554 | h = hash_continue (&domain, sizeof (unsigned int), h); | |
fe978cb0 | 1555 | h = hash_continue (&theclass, sizeof (unsigned int), h); |
cbd70537 SW |
1556 | h = hash_continue (psymbol->ginfo.name, strlen (psymbol->ginfo.name), h); |
1557 | ||
1558 | return h; | |
1559 | } | |
1560 | ||
1561 | /* Returns true if the symbol at addr1 equals the symbol at addr2. | |
1562 | For the comparison this function uses a symbols value, | |
1563 | language, domain, class and name. */ | |
1564 | ||
710e1a31 | 1565 | static int |
cbd70537 SW |
1566 | psymbol_compare (const void *addr1, const void *addr2, int length) |
1567 | { | |
1568 | struct partial_symbol *sym1 = (struct partial_symbol *) addr1; | |
1569 | struct partial_symbol *sym2 = (struct partial_symbol *) addr2; | |
1570 | ||
3e611445 | 1571 | return (memcmp (&sym1->ginfo.value, &sym2->ginfo.value, |
cbd70537 SW |
1572 | sizeof (sym1->ginfo.value)) == 0 |
1573 | && sym1->ginfo.language == sym2->ginfo.language | |
1574 | && PSYMBOL_DOMAIN (sym1) == PSYMBOL_DOMAIN (sym2) | |
1575 | && PSYMBOL_CLASS (sym1) == PSYMBOL_CLASS (sym2) | |
1576 | && sym1->ginfo.name == sym2->ginfo.name); | |
1577 | } | |
1578 | ||
710e1a31 SW |
1579 | /* Initialize a partial symbol bcache. */ |
1580 | ||
1581 | struct psymbol_bcache * | |
1582 | psymbol_bcache_init (void) | |
1583 | { | |
fc270c35 | 1584 | struct psymbol_bcache *bcache = XCNEW (struct psymbol_bcache); |
95cf5869 | 1585 | |
710e1a31 SW |
1586 | bcache->bcache = bcache_xmalloc (psymbol_hash, psymbol_compare); |
1587 | return bcache; | |
1588 | } | |
1589 | ||
1590 | /* Free a partial symbol bcache. */ | |
95cf5869 | 1591 | |
710e1a31 SW |
1592 | void |
1593 | psymbol_bcache_free (struct psymbol_bcache *bcache) | |
1594 | { | |
1595 | if (bcache == NULL) | |
1596 | return; | |
1597 | ||
1598 | bcache_xfree (bcache->bcache); | |
1599 | xfree (bcache); | |
1600 | } | |
1601 | ||
0df8b418 | 1602 | /* Return the internal bcache of the psymbol_bcache BCACHE. */ |
710e1a31 SW |
1603 | |
1604 | struct bcache * | |
1605 | psymbol_bcache_get_bcache (struct psymbol_bcache *bcache) | |
1606 | { | |
1607 | return bcache->bcache; | |
1608 | } | |
1609 | ||
1610 | /* Find a copy of the SYM in BCACHE. If BCACHE has never seen this | |
1611 | symbol before, add a copy to BCACHE. In either case, return a pointer | |
1612 | to BCACHE's copy of the symbol. If optional ADDED is not NULL, return | |
1613 | 1 in case of new entry or 0 if returning an old entry. */ | |
1614 | ||
1615 | static const struct partial_symbol * | |
1616 | psymbol_bcache_full (struct partial_symbol *sym, | |
1617 | struct psymbol_bcache *bcache, | |
1618 | int *added) | |
1619 | { | |
19ba03f4 SM |
1620 | return ((const struct partial_symbol *) |
1621 | bcache_full (sym, sizeof (struct partial_symbol), bcache->bcache, | |
1622 | added)); | |
710e1a31 SW |
1623 | } |
1624 | ||
95cf5869 | 1625 | /* Helper function, initialises partial symbol structure and stashes |
ccefe4c4 TT |
1626 | it into objfile's bcache. Note that our caching mechanism will |
1627 | use all fields of struct partial_symbol to determine hash value of the | |
1628 | structure. In other words, having two symbols with the same name but | |
1629 | different domain (or address) is possible and correct. */ | |
1630 | ||
1631 | static const struct partial_symbol * | |
72b9f47f | 1632 | add_psymbol_to_bcache (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1633 | domain_enum domain, |
fe978cb0 | 1634 | enum address_class theclass, |
1762568f | 1635 | CORE_ADDR coreaddr, |
ccefe4c4 TT |
1636 | enum language language, struct objfile *objfile, |
1637 | int *added) | |
1638 | { | |
cbd70537 SW |
1639 | struct partial_symbol psymbol; |
1640 | ||
f85f34ed TT |
1641 | /* We must ensure that the entire struct has been zeroed before |
1642 | assigning to it, because an assignment may not touch some of the | |
1643 | holes. */ | |
1644 | memset (&psymbol, 0, sizeof (psymbol)); | |
fc956729 | 1645 | |
1762568f | 1646 | SYMBOL_VALUE_ADDRESS (&psymbol) = coreaddr; |
e27d198c | 1647 | SYMBOL_SECTION (&psymbol) = -1; |
f85f34ed | 1648 | SYMBOL_SET_LANGUAGE (&psymbol, language, &objfile->objfile_obstack); |
ccefe4c4 | 1649 | PSYMBOL_DOMAIN (&psymbol) = domain; |
fe978cb0 | 1650 | PSYMBOL_CLASS (&psymbol) = theclass; |
ccefe4c4 TT |
1651 | |
1652 | SYMBOL_SET_NAMES (&psymbol, name, namelength, copy_name, objfile); | |
1653 | ||
0df8b418 | 1654 | /* Stash the partial symbol away in the cache. */ |
95cf5869 | 1655 | return psymbol_bcache_full (&psymbol, objfile->psymbol_cache, added); |
ccefe4c4 TT |
1656 | } |
1657 | ||
923c6a3d | 1658 | /* Increase the space allocated for LISTP, which is probably |
0df8b418 | 1659 | global_psymbols or static_psymbols. This space will eventually |
923c6a3d TT |
1660 | be freed in free_objfile(). */ |
1661 | ||
1662 | static void | |
1663 | extend_psymbol_list (struct psymbol_allocation_list *listp, | |
1664 | struct objfile *objfile) | |
1665 | { | |
1666 | int new_size; | |
1667 | ||
1668 | if (listp->size == 0) | |
1669 | { | |
1670 | new_size = 255; | |
8d749320 | 1671 | listp->list = XNEWVEC (struct partial_symbol *, new_size); |
923c6a3d TT |
1672 | } |
1673 | else | |
1674 | { | |
1675 | new_size = listp->size * 2; | |
1676 | listp->list = (struct partial_symbol **) | |
1677 | xrealloc ((char *) listp->list, | |
1678 | new_size * sizeof (struct partial_symbol *)); | |
1679 | } | |
1680 | /* Next assumes we only went one over. Should be good if | |
0df8b418 | 1681 | program works correctly. */ |
923c6a3d TT |
1682 | listp->next = listp->list + listp->size; |
1683 | listp->size = new_size; | |
1684 | } | |
1685 | ||
95cf5869 | 1686 | /* Helper function, adds partial symbol to the given partial symbol list. */ |
ccefe4c4 TT |
1687 | |
1688 | static void | |
1689 | append_psymbol_to_list (struct psymbol_allocation_list *list, | |
1690 | const struct partial_symbol *psym, | |
1691 | struct objfile *objfile) | |
1692 | { | |
1693 | if (list->next >= list->list + list->size) | |
1694 | extend_psymbol_list (list, objfile); | |
1695 | *list->next++ = (struct partial_symbol *) psym; | |
1696 | OBJSTAT (objfile, n_psyms++); | |
1697 | } | |
1698 | ||
1699 | /* Add a symbol with a long value to a psymtab. | |
1700 | Since one arg is a struct, we pass in a ptr and deref it (sigh). | |
1762568f DE |
1701 | The only value we need to store for psyms is an address. |
1702 | For all other psyms pass zero for COREADDR. | |
ccefe4c4 TT |
1703 | Return the partial symbol that has been added. */ |
1704 | ||
7dc25483 | 1705 | void |
72b9f47f | 1706 | add_psymbol_to_list (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1707 | domain_enum domain, |
fe978cb0 | 1708 | enum address_class theclass, |
95cf5869 | 1709 | struct psymbol_allocation_list *list, |
1762568f | 1710 | CORE_ADDR coreaddr, |
ccefe4c4 TT |
1711 | enum language language, struct objfile *objfile) |
1712 | { | |
1713 | const struct partial_symbol *psym; | |
1714 | ||
1715 | int added; | |
1716 | ||
0df8b418 | 1717 | /* Stash the partial symbol away in the cache. */ |
fe978cb0 | 1718 | psym = add_psymbol_to_bcache (name, namelength, copy_name, domain, theclass, |
1762568f | 1719 | coreaddr, language, objfile, &added); |
ccefe4c4 TT |
1720 | |
1721 | /* Do not duplicate global partial symbols. */ | |
1722 | if (list == &objfile->global_psymbols | |
1723 | && !added) | |
7dc25483 | 1724 | return; |
ccefe4c4 | 1725 | |
0df8b418 | 1726 | /* Save pointer to partial symbol in psymtab, growing symtab if needed. */ |
ccefe4c4 | 1727 | append_psymbol_to_list (list, psym, objfile); |
ccefe4c4 TT |
1728 | } |
1729 | ||
1730 | /* Initialize storage for partial symbols. */ | |
1731 | ||
1732 | void | |
1733 | init_psymbol_list (struct objfile *objfile, int total_symbols) | |
1734 | { | |
1735 | /* Free any previously allocated psymbol lists. */ | |
1736 | ||
1737 | if (objfile->global_psymbols.list) | |
95cf5869 | 1738 | xfree (objfile->global_psymbols.list); |
ccefe4c4 | 1739 | if (objfile->static_psymbols.list) |
95cf5869 | 1740 | xfree (objfile->static_psymbols.list); |
ccefe4c4 TT |
1741 | |
1742 | /* Current best guess is that approximately a twentieth | |
1743 | of the total symbols (in a debugging file) are global or static | |
ca9c6ee2 | 1744 | oriented symbols, then multiply that by slop factor of two. */ |
ccefe4c4 TT |
1745 | |
1746 | objfile->global_psymbols.size = total_symbols / 10; | |
1747 | objfile->static_psymbols.size = total_symbols / 10; | |
1748 | ||
1749 | if (objfile->global_psymbols.size > 0) | |
1750 | { | |
1751 | objfile->global_psymbols.next = | |
8d749320 SM |
1752 | objfile->global_psymbols.list = |
1753 | XNEWVEC (struct partial_symbol *, objfile->global_psymbols.size); | |
ccefe4c4 TT |
1754 | } |
1755 | if (objfile->static_psymbols.size > 0) | |
1756 | { | |
1757 | objfile->static_psymbols.next = | |
8d749320 SM |
1758 | objfile->static_psymbols.list = |
1759 | XNEWVEC (struct partial_symbol *, objfile->static_psymbols.size); | |
ccefe4c4 TT |
1760 | } |
1761 | } | |
1762 | ||
1763 | struct partial_symtab * | |
1764 | allocate_psymtab (const char *filename, struct objfile *objfile) | |
1765 | { | |
1766 | struct partial_symtab *psymtab; | |
1767 | ||
1768 | if (objfile->free_psymtabs) | |
1769 | { | |
1770 | psymtab = objfile->free_psymtabs; | |
1771 | objfile->free_psymtabs = psymtab->next; | |
1772 | } | |
1773 | else | |
1774 | psymtab = (struct partial_symtab *) | |
1775 | obstack_alloc (&objfile->objfile_obstack, | |
1776 | sizeof (struct partial_symtab)); | |
1777 | ||
1778 | memset (psymtab, 0, sizeof (struct partial_symtab)); | |
19ba03f4 SM |
1779 | psymtab->filename |
1780 | = (const char *) bcache (filename, strlen (filename) + 1, | |
1781 | objfile->per_bfd->filename_cache); | |
43f3e411 | 1782 | psymtab->compunit_symtab = NULL; |
ccefe4c4 TT |
1783 | |
1784 | /* Prepend it to the psymtab list for the objfile it belongs to. | |
1785 | Psymtabs are searched in most recent inserted -> least recent | |
0df8b418 | 1786 | inserted order. */ |
ccefe4c4 | 1787 | |
ccefe4c4 TT |
1788 | psymtab->next = objfile->psymtabs; |
1789 | objfile->psymtabs = psymtab; | |
ccefe4c4 | 1790 | |
45cfd468 DE |
1791 | if (symtab_create_debug) |
1792 | { | |
1793 | /* Be a bit clever with debugging messages, and don't print objfile | |
1794 | every time, only when it changes. */ | |
1795 | static char *last_objfile_name = NULL; | |
1796 | ||
1797 | if (last_objfile_name == NULL | |
4262abfb | 1798 | || strcmp (last_objfile_name, objfile_name (objfile)) != 0) |
45cfd468 DE |
1799 | { |
1800 | xfree (last_objfile_name); | |
4262abfb | 1801 | last_objfile_name = xstrdup (objfile_name (objfile)); |
45cfd468 DE |
1802 | fprintf_unfiltered (gdb_stdlog, |
1803 | "Creating one or more psymtabs for objfile %s ...\n", | |
1804 | last_objfile_name); | |
1805 | } | |
1806 | fprintf_unfiltered (gdb_stdlog, | |
fd55216c DE |
1807 | "Created psymtab %s for module %s.\n", |
1808 | host_address_to_string (psymtab), filename); | |
45cfd468 DE |
1809 | } |
1810 | ||
95cf5869 | 1811 | return psymtab; |
ccefe4c4 TT |
1812 | } |
1813 | ||
1814 | void | |
5c80ed9d | 1815 | discard_psymtab (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 TT |
1816 | { |
1817 | struct partial_symtab **prev_pst; | |
1818 | ||
1819 | /* From dbxread.c: | |
1820 | Empty psymtabs happen as a result of header files which don't | |
1821 | have any symbols in them. There can be a lot of them. But this | |
1822 | check is wrong, in that a psymtab with N_SLINE entries but | |
1823 | nothing else is not empty, but we don't realize that. Fixing | |
1824 | that without slowing things down might be tricky. */ | |
1825 | ||
0df8b418 | 1826 | /* First, snip it out of the psymtab chain. */ |
ccefe4c4 | 1827 | |
5c80ed9d | 1828 | prev_pst = &(objfile->psymtabs); |
ccefe4c4 TT |
1829 | while ((*prev_pst) != pst) |
1830 | prev_pst = &((*prev_pst)->next); | |
1831 | (*prev_pst) = pst->next; | |
1832 | ||
0df8b418 | 1833 | /* Next, put it on a free list for recycling. */ |
ccefe4c4 | 1834 | |
5c80ed9d TT |
1835 | pst->next = objfile->free_psymtabs; |
1836 | objfile->free_psymtabs = pst; | |
ccefe4c4 TT |
1837 | } |
1838 | ||
c9bf0622 TT |
1839 | /* An object of this type is passed to discard_psymtabs_upto. */ |
1840 | ||
1841 | struct psymtab_state | |
1842 | { | |
1843 | /* The objfile where psymtabs are discarded. */ | |
1844 | ||
1845 | struct objfile *objfile; | |
1846 | ||
1847 | /* The first psymtab to save. */ | |
1848 | ||
1849 | struct partial_symtab *save; | |
1850 | }; | |
1851 | ||
1852 | /* A cleanup function used by make_cleanup_discard_psymtabs. */ | |
1853 | ||
1854 | static void | |
1855 | discard_psymtabs_upto (void *arg) | |
1856 | { | |
19ba03f4 | 1857 | struct psymtab_state *state = (struct psymtab_state *) arg; |
c9bf0622 TT |
1858 | |
1859 | while (state->objfile->psymtabs != state->save) | |
1860 | discard_psymtab (state->objfile, state->objfile->psymtabs); | |
1861 | } | |
1862 | ||
1863 | /* Return a new cleanup that discards all psymtabs created in OBJFILE | |
1864 | after this function is called. */ | |
1865 | ||
1866 | struct cleanup * | |
1867 | make_cleanup_discard_psymtabs (struct objfile *objfile) | |
1868 | { | |
1869 | struct psymtab_state *state = XNEW (struct psymtab_state); | |
1870 | ||
1871 | state->objfile = objfile; | |
1872 | state->save = objfile->psymtabs; | |
1873 | ||
1874 | return make_cleanup_dtor (discard_psymtabs_upto, state, xfree); | |
1875 | } | |
1876 | ||
ccefe4c4 TT |
1877 | \f |
1878 | ||
372405a5 DE |
1879 | /* We need to pass a couple of items to the addrmap_foreach function, |
1880 | so use a struct. */ | |
1881 | ||
1882 | struct dump_psymtab_addrmap_data | |
1883 | { | |
1884 | struct objfile *objfile; | |
1885 | struct partial_symtab *psymtab; | |
1886 | struct ui_file *outfile; | |
1887 | ||
1888 | /* Non-zero if the previously printed addrmap entry was for PSYMTAB. | |
1889 | If so, we want to print the next one as well (since the next addrmap | |
1890 | entry defines the end of the range). */ | |
1891 | int previous_matched; | |
1892 | }; | |
1893 | ||
1894 | /* Helper function for dump_psymtab_addrmap to print an addrmap entry. */ | |
1895 | ||
1896 | static int | |
1897 | dump_psymtab_addrmap_1 (void *datap, CORE_ADDR start_addr, void *obj) | |
1898 | { | |
709b5518 PA |
1899 | struct dump_psymtab_addrmap_data *data |
1900 | = (struct dump_psymtab_addrmap_data *) datap; | |
372405a5 | 1901 | struct gdbarch *gdbarch = get_objfile_arch (data->objfile); |
709b5518 | 1902 | struct partial_symtab *addrmap_psymtab = (struct partial_symtab *) obj; |
372405a5 DE |
1903 | const char *psymtab_address_or_end = NULL; |
1904 | ||
1905 | QUIT; | |
1906 | ||
1907 | if (data->psymtab == NULL | |
1908 | || data->psymtab == addrmap_psymtab) | |
1909 | psymtab_address_or_end = host_address_to_string (addrmap_psymtab); | |
1910 | else if (data->previous_matched) | |
1911 | psymtab_address_or_end = "<ends here>"; | |
1912 | ||
1913 | if (data->psymtab == NULL | |
1914 | || data->psymtab == addrmap_psymtab | |
1915 | || data->previous_matched) | |
1916 | { | |
1917 | fprintf_filtered (data->outfile, " %s%s %s\n", | |
1918 | data->psymtab != NULL ? " " : "", | |
1919 | paddress (gdbarch, start_addr), | |
1920 | psymtab_address_or_end); | |
1921 | } | |
1922 | ||
1923 | data->previous_matched = (data->psymtab == NULL | |
1924 | || data->psymtab == addrmap_psymtab); | |
1925 | ||
1926 | return 0; | |
1927 | } | |
1928 | ||
1929 | /* Helper function for maintenance_print_psymbols to print the addrmap | |
1930 | of PSYMTAB. If PSYMTAB is NULL print the entire addrmap. */ | |
1931 | ||
1932 | static void | |
1933 | dump_psymtab_addrmap (struct objfile *objfile, struct partial_symtab *psymtab, | |
1934 | struct ui_file *outfile) | |
1935 | { | |
1936 | struct dump_psymtab_addrmap_data addrmap_dump_data; | |
1937 | ||
1938 | if (psymtab == NULL | |
1939 | || psymtab->psymtabs_addrmap_supported) | |
1940 | { | |
1941 | addrmap_dump_data.objfile = objfile; | |
1942 | addrmap_dump_data.psymtab = psymtab; | |
1943 | addrmap_dump_data.outfile = outfile; | |
1944 | addrmap_dump_data.previous_matched = 0; | |
1945 | fprintf_filtered (outfile, "%sddress map:\n", | |
1946 | psymtab == NULL ? "Entire a" : " A"); | |
1947 | addrmap_foreach (objfile->psymtabs_addrmap, dump_psymtab_addrmap_1, | |
1948 | &addrmap_dump_data); | |
1949 | } | |
1950 | } | |
1951 | ||
dfc7bb5b | 1952 | static void |
ccefe4c4 TT |
1953 | maintenance_print_psymbols (char *args, int from_tty) |
1954 | { | |
1955 | char **argv; | |
1956 | struct ui_file *outfile; | |
1957 | struct cleanup *cleanups; | |
1958 | char *symname = NULL; | |
1959 | char *filename = DEV_TTY; | |
1960 | struct objfile *objfile; | |
1961 | struct partial_symtab *ps; | |
1962 | ||
1963 | dont_repeat (); | |
1964 | ||
1965 | if (args == NULL) | |
1966 | { | |
3e43a32a MS |
1967 | error (_("\ |
1968 | print-psymbols takes an output file name and optional symbol file name")); | |
ccefe4c4 TT |
1969 | } |
1970 | argv = gdb_buildargv (args); | |
1971 | cleanups = make_cleanup_freeargv (argv); | |
1972 | ||
1973 | if (argv[0] != NULL) | |
1974 | { | |
1975 | filename = argv[0]; | |
0df8b418 | 1976 | /* If a second arg is supplied, it is a source file name to match on. */ |
ccefe4c4 TT |
1977 | if (argv[1] != NULL) |
1978 | { | |
1979 | symname = argv[1]; | |
1980 | } | |
1981 | } | |
1982 | ||
1983 | filename = tilde_expand (filename); | |
1984 | make_cleanup (xfree, filename); | |
1985 | ||
1986 | outfile = gdb_fopen (filename, FOPEN_WT); | |
95cf5869 | 1987 | if (outfile == NULL) |
ccefe4c4 TT |
1988 | perror_with_name (filename); |
1989 | make_cleanup_ui_file_delete (outfile); | |
1990 | ||
372405a5 DE |
1991 | ALL_OBJFILES (objfile) |
1992 | { | |
1993 | fprintf_filtered (outfile, "\nPartial symtabs for objfile %s\n", | |
1994 | objfile_name (objfile)); | |
1995 | ||
1996 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) | |
27618ce4 TT |
1997 | { |
1998 | QUIT; | |
1999 | if (symname == NULL || filename_cmp (symname, ps->filename) == 0) | |
372405a5 DE |
2000 | { |
2001 | dump_psymtab (objfile, ps, outfile); | |
2002 | dump_psymtab_addrmap (objfile, ps, outfile); | |
2003 | } | |
27618ce4 | 2004 | } |
372405a5 DE |
2005 | |
2006 | /* If we're printing all symbols dump the full addrmap. */ | |
2007 | ||
2008 | if (symname == NULL) | |
2009 | { | |
2010 | fprintf_filtered (outfile, "\n"); | |
2011 | dump_psymtab_addrmap (objfile, NULL, outfile); | |
2012 | } | |
2013 | } | |
2014 | ||
ccefe4c4 TT |
2015 | do_cleanups (cleanups); |
2016 | } | |
2017 | ||
2018 | /* List all the partial symbol tables whose names match REGEXP (optional). */ | |
95cf5869 | 2019 | |
dfc7bb5b | 2020 | static void |
ccefe4c4 TT |
2021 | maintenance_info_psymtabs (char *regexp, int from_tty) |
2022 | { | |
2023 | struct program_space *pspace; | |
2024 | struct objfile *objfile; | |
2025 | ||
2026 | if (regexp) | |
2027 | re_comp (regexp); | |
2028 | ||
2029 | ALL_PSPACES (pspace) | |
2030 | ALL_PSPACE_OBJFILES (pspace, objfile) | |
2031 | { | |
2032 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
2033 | struct partial_symtab *psymtab; | |
2034 | ||
2035 | /* We don't want to print anything for this objfile until we | |
2036 | actually find a symtab whose name matches. */ | |
2037 | int printed_objfile_start = 0; | |
2038 | ||
b11896a5 | 2039 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab) |
ccefe4c4 TT |
2040 | { |
2041 | QUIT; | |
2042 | ||
2043 | if (! regexp | |
2044 | || re_exec (psymtab->filename)) | |
2045 | { | |
2046 | if (! printed_objfile_start) | |
2047 | { | |
4262abfb | 2048 | printf_filtered ("{ objfile %s ", objfile_name (objfile)); |
ccefe4c4 | 2049 | wrap_here (" "); |
95cf5869 | 2050 | printf_filtered ("((struct objfile *) %s)\n", |
ccefe4c4 TT |
2051 | host_address_to_string (objfile)); |
2052 | printed_objfile_start = 1; | |
2053 | } | |
2054 | ||
2055 | printf_filtered (" { psymtab %s ", psymtab->filename); | |
2056 | wrap_here (" "); | |
95cf5869 | 2057 | printf_filtered ("((struct partial_symtab *) %s)\n", |
ccefe4c4 TT |
2058 | host_address_to_string (psymtab)); |
2059 | ||
2060 | printf_filtered (" readin %s\n", | |
2061 | psymtab->readin ? "yes" : "no"); | |
2062 | printf_filtered (" fullname %s\n", | |
3e43a32a MS |
2063 | psymtab->fullname |
2064 | ? psymtab->fullname : "(null)"); | |
ccefe4c4 TT |
2065 | printf_filtered (" text addresses "); |
2066 | fputs_filtered (paddress (gdbarch, psymtab->textlow), | |
2067 | gdb_stdout); | |
2068 | printf_filtered (" -- "); | |
2069 | fputs_filtered (paddress (gdbarch, psymtab->texthigh), | |
2070 | gdb_stdout); | |
2071 | printf_filtered ("\n"); | |
9750bca9 JK |
2072 | printf_filtered (" psymtabs_addrmap_supported %s\n", |
2073 | (psymtab->psymtabs_addrmap_supported | |
2074 | ? "yes" : "no")); | |
ccefe4c4 TT |
2075 | printf_filtered (" globals "); |
2076 | if (psymtab->n_global_syms) | |
2077 | { | |
2078 | printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", | |
5c80ed9d | 2079 | host_address_to_string (objfile->global_psymbols.list |
ccefe4c4 TT |
2080 | + psymtab->globals_offset), |
2081 | psymtab->n_global_syms); | |
2082 | } | |
2083 | else | |
2084 | printf_filtered ("(none)\n"); | |
2085 | printf_filtered (" statics "); | |
2086 | if (psymtab->n_static_syms) | |
2087 | { | |
2088 | printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", | |
5c80ed9d | 2089 | host_address_to_string (objfile->static_psymbols.list |
ccefe4c4 TT |
2090 | + psymtab->statics_offset), |
2091 | psymtab->n_static_syms); | |
2092 | } | |
2093 | else | |
2094 | printf_filtered ("(none)\n"); | |
2095 | printf_filtered (" dependencies "); | |
2096 | if (psymtab->number_of_dependencies) | |
2097 | { | |
2098 | int i; | |
2099 | ||
2100 | printf_filtered ("{\n"); | |
2101 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
2102 | { | |
2103 | struct partial_symtab *dep = psymtab->dependencies[i]; | |
2104 | ||
2105 | /* Note the string concatenation there --- no comma. */ | |
2106 | printf_filtered (" psymtab %s " | |
2107 | "((struct partial_symtab *) %s)\n", | |
95cf5869 | 2108 | dep->filename, |
ccefe4c4 TT |
2109 | host_address_to_string (dep)); |
2110 | } | |
2111 | printf_filtered (" }\n"); | |
2112 | } | |
2113 | else | |
2114 | printf_filtered ("(none)\n"); | |
2115 | printf_filtered (" }\n"); | |
2116 | } | |
2117 | } | |
2118 | ||
2119 | if (printed_objfile_start) | |
2120 | printf_filtered ("}\n"); | |
2121 | } | |
2122 | } | |
2123 | ||
7d0c9981 | 2124 | /* Check consistency of currently expanded psymtabs vs symtabs. */ |
ccefe4c4 | 2125 | |
dfc7bb5b | 2126 | static void |
7d0c9981 | 2127 | maintenance_check_psymtabs (char *ignore, int from_tty) |
ccefe4c4 TT |
2128 | { |
2129 | struct symbol *sym; | |
2130 | struct partial_symbol **psym; | |
43f3e411 | 2131 | struct compunit_symtab *cust = NULL; |
ccefe4c4 | 2132 | struct partial_symtab *ps; |
346d1dfe | 2133 | const struct blockvector *bv; |
ccefe4c4 TT |
2134 | struct objfile *objfile; |
2135 | struct block *b; | |
2136 | int length; | |
2137 | ||
2138 | ALL_PSYMTABS (objfile, ps) | |
2139 | { | |
2140 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
ad3bbd48 | 2141 | |
7d0c9981 DE |
2142 | /* We don't call psymtab_to_symtab here because that may cause symtab |
2143 | expansion. When debugging a problem it helps if checkers leave | |
2144 | things unchanged. */ | |
43f3e411 | 2145 | cust = ps->compunit_symtab; |
7d0c9981 DE |
2146 | |
2147 | /* First do some checks that don't require the associated symtab. */ | |
2148 | if (ps->texthigh < ps->textlow) | |
2149 | { | |
2150 | printf_filtered ("Psymtab "); | |
2151 | puts_filtered (ps->filename); | |
2152 | printf_filtered (" covers bad range "); | |
2153 | fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout); | |
2154 | printf_filtered (" - "); | |
2155 | fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout); | |
2156 | printf_filtered ("\n"); | |
2157 | continue; | |
2158 | } | |
2159 | ||
2160 | /* Now do checks requiring the associated symtab. */ | |
43f3e411 | 2161 | if (cust == NULL) |
ccefe4c4 | 2162 | continue; |
43f3e411 | 2163 | bv = COMPUNIT_BLOCKVECTOR (cust); |
ccefe4c4 | 2164 | b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); |
5c80ed9d | 2165 | psym = objfile->static_psymbols.list + ps->statics_offset; |
ccefe4c4 TT |
2166 | length = ps->n_static_syms; |
2167 | while (length--) | |
2168 | { | |
16b2eaa1 | 2169 | sym = block_lookup_symbol (b, SYMBOL_LINKAGE_NAME (*psym), |
ccefe4c4 TT |
2170 | SYMBOL_DOMAIN (*psym)); |
2171 | if (!sym) | |
2172 | { | |
2173 | printf_filtered ("Static symbol `"); | |
2174 | puts_filtered (SYMBOL_LINKAGE_NAME (*psym)); | |
2175 | printf_filtered ("' only found in "); | |
2176 | puts_filtered (ps->filename); | |
2177 | printf_filtered (" psymtab\n"); | |
2178 | } | |
2179 | psym++; | |
2180 | } | |
2181 | b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
5c80ed9d | 2182 | psym = objfile->global_psymbols.list + ps->globals_offset; |
ccefe4c4 TT |
2183 | length = ps->n_global_syms; |
2184 | while (length--) | |
2185 | { | |
16b2eaa1 | 2186 | sym = block_lookup_symbol (b, SYMBOL_LINKAGE_NAME (*psym), |
ccefe4c4 TT |
2187 | SYMBOL_DOMAIN (*psym)); |
2188 | if (!sym) | |
2189 | { | |
2190 | printf_filtered ("Global symbol `"); | |
2191 | puts_filtered (SYMBOL_LINKAGE_NAME (*psym)); | |
2192 | printf_filtered ("' only found in "); | |
2193 | puts_filtered (ps->filename); | |
2194 | printf_filtered (" psymtab\n"); | |
2195 | } | |
2196 | psym++; | |
2197 | } | |
7d0c9981 DE |
2198 | if (ps->texthigh != 0 |
2199 | && (ps->textlow < BLOCK_START (b) || ps->texthigh > BLOCK_END (b))) | |
ccefe4c4 TT |
2200 | { |
2201 | printf_filtered ("Psymtab "); | |
2202 | puts_filtered (ps->filename); | |
2203 | printf_filtered (" covers "); | |
2204 | fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout); | |
2205 | printf_filtered (" - "); | |
2206 | fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout); | |
2207 | printf_filtered (" but symtab covers only "); | |
2208 | fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout); | |
2209 | printf_filtered (" - "); | |
2210 | fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout); | |
2211 | printf_filtered ("\n"); | |
2212 | } | |
2213 | } | |
2214 | } | |
2215 | ||
2216 | \f | |
2217 | ||
dfc7bb5b YQ |
2218 | extern initialize_file_ftype _initialize_psymtab; |
2219 | ||
2220 | void | |
2221 | _initialize_psymtab (void) | |
2222 | { | |
2223 | add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols, _("\ | |
2224 | Print dump of current partial symbol definitions.\n\ | |
2225 | Entries in the partial symbol table are dumped to file OUTFILE.\n\ | |
2226 | If a SOURCE file is specified, dump only that file's partial symbols."), | |
2227 | &maintenanceprintlist); | |
2228 | ||
2229 | add_cmd ("psymtabs", class_maintenance, maintenance_info_psymtabs, _("\ | |
2230 | List the partial symbol tables for all object files.\n\ | |
2231 | This does not include information about individual partial symbols,\n\ | |
2232 | just the symbol table structures themselves."), | |
2233 | &maintenanceinfolist); | |
2234 | ||
7d0c9981 DE |
2235 | add_cmd ("check-psymtabs", class_maintenance, maintenance_check_psymtabs, |
2236 | _("\ | |
2237 | Check consistency of currently expanded psymtabs versus symtabs."), | |
dfc7bb5b YQ |
2238 | &maintenancelist); |
2239 | } |