Commit | Line | Data |
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ccefe4c4 TT |
1 | /* Partial symbol tables. |
2 | ||
32d0add0 | 3 | Copyright (C) 2009-2015 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. */ | |
241 | if (!(objfile->flags & OBJF_REORDERED) && | |
0df8b418 | 242 | section == 0) /* Can't validate section this way. */ |
ccefe4c4 TT |
243 | return pst; |
244 | ||
77e371c0 | 245 | if (msymbol.minsym == NULL) |
ccefe4c4 TT |
246 | return (pst); |
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 TT |
267 | if (p != NULL |
268 | && SYMBOL_VALUE_ADDRESS (p) | |
77e371c0 | 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 | ||
301 | /* Find which partial symtab contains PC and SECTION. Return 0 if | |
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. */ | |
305 | static struct partial_symtab * | |
306 | find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc, | |
307 | struct obj_section *section, | |
77e371c0 | 308 | struct bound_minimal_symbol msymbol) |
ccefe4c4 TT |
309 | { |
310 | struct partial_symtab *pst; | |
311 | ||
312 | /* Try just the PSYMTABS_ADDRMAP mapping first as it has better granularity | |
313 | than the later used TEXTLOW/TEXTHIGH one. */ | |
314 | ||
315 | if (objfile->psymtabs_addrmap != NULL) | |
316 | { | |
317 | pst = addrmap_find (objfile->psymtabs_addrmap, pc); | |
318 | if (pst != NULL) | |
319 | { | |
320 | /* FIXME: addrmaps currently do not handle overlayed sections, | |
321 | so fall back to the non-addrmap case if we're debugging | |
322 | overlays and the addrmap returned the wrong section. */ | |
77e371c0 | 323 | if (overlay_debugging && msymbol.minsym && section) |
ccefe4c4 TT |
324 | { |
325 | struct partial_symbol *p; | |
ad3bbd48 | 326 | |
ccefe4c4 TT |
327 | /* NOTE: This assumes that every psymbol has a |
328 | corresponding msymbol, which is not necessarily | |
329 | true; the debug info might be much richer than the | |
330 | object's symbol table. */ | |
5c80ed9d | 331 | p = find_pc_sect_psymbol (objfile, pst, pc, section); |
ccefe4c4 TT |
332 | if (!p |
333 | || SYMBOL_VALUE_ADDRESS (p) | |
77e371c0 | 334 | != BMSYMBOL_VALUE_ADDRESS (msymbol)) |
ccefe4c4 TT |
335 | goto next; |
336 | } | |
337 | ||
338 | /* We do not try to call FIND_PC_SECT_PSYMTAB_CLOSER as | |
339 | PSYMTABS_ADDRMAP we used has already the best 1-byte | |
340 | granularity and FIND_PC_SECT_PSYMTAB_CLOSER may mislead us into | |
341 | a worse chosen section due to the TEXTLOW/TEXTHIGH ranges | |
342 | overlap. */ | |
343 | ||
344 | return pst; | |
345 | } | |
346 | } | |
347 | ||
348 | next: | |
349 | ||
350 | /* Existing PSYMTABS_ADDRMAP mapping is present even for PARTIAL_SYMTABs | |
351 | which still have no corresponding full SYMTABs read. But it is not | |
352 | present for non-DWARF2 debug infos not supporting PSYMTABS_ADDRMAP in GDB | |
353 | so far. */ | |
354 | ||
355 | /* Check even OBJFILE with non-zero PSYMTABS_ADDRMAP as only several of | |
356 | its CUs may be missing in PSYMTABS_ADDRMAP as they may be varying | |
357 | debug info type in single OBJFILE. */ | |
358 | ||
b11896a5 | 359 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
9750bca9 JK |
360 | if (!pst->psymtabs_addrmap_supported |
361 | && pc >= pst->textlow && pc < pst->texthigh) | |
ccefe4c4 TT |
362 | { |
363 | struct partial_symtab *best_pst; | |
364 | ||
5c80ed9d TT |
365 | best_pst = find_pc_sect_psymtab_closer (objfile, pc, section, pst, |
366 | msymbol); | |
ccefe4c4 TT |
367 | if (best_pst != NULL) |
368 | return best_pst; | |
369 | } | |
370 | ||
371 | return NULL; | |
372 | } | |
373 | ||
83827540 DE |
374 | /* Psymtab version of find_pc_sect_compunit_symtab. See its definition in |
375 | the definition of quick_symbol_functions in symfile.h. */ | |
376 | ||
43f3e411 | 377 | static struct compunit_symtab * |
83827540 DE |
378 | psym_find_pc_sect_compunit_symtab (struct objfile *objfile, |
379 | struct bound_minimal_symbol msymbol, | |
380 | CORE_ADDR pc, | |
381 | struct obj_section *section, | |
382 | int warn_if_readin) | |
ccefe4c4 TT |
383 | { |
384 | struct partial_symtab *ps = find_pc_sect_psymtab (objfile, pc, section, | |
385 | msymbol); | |
386 | if (ps) | |
387 | { | |
388 | if (warn_if_readin && ps->readin) | |
389 | /* Might want to error() here (in case symtab is corrupt and | |
390 | will cause a core dump), but maybe we can successfully | |
391 | continue, so let's not. */ | |
392 | warning (_("\ | |
393 | (Internal error: pc %s in read in psymtab, but not in symtab.)\n"), | |
5c80ed9d TT |
394 | paddress (get_objfile_arch (objfile), pc)); |
395 | psymtab_to_symtab (objfile, ps); | |
43f3e411 | 396 | return ps->compunit_symtab; |
ccefe4c4 TT |
397 | } |
398 | return NULL; | |
399 | } | |
400 | ||
401 | /* Find which partial symbol within a psymtab matches PC and SECTION. | |
402 | Return 0 if none. */ | |
403 | ||
404 | static struct partial_symbol * | |
5c80ed9d TT |
405 | find_pc_sect_psymbol (struct objfile *objfile, |
406 | struct partial_symtab *psymtab, CORE_ADDR pc, | |
ccefe4c4 TT |
407 | struct obj_section *section) |
408 | { | |
409 | struct partial_symbol *best = NULL, *p, **pp; | |
410 | CORE_ADDR best_pc; | |
411 | ||
412 | gdb_assert (psymtab != NULL); | |
413 | ||
0df8b418 | 414 | /* Cope with programs that start at address 0. */ |
ccefe4c4 TT |
415 | best_pc = (psymtab->textlow != 0) ? psymtab->textlow - 1 : 0; |
416 | ||
417 | /* Search the global symbols as well as the static symbols, so that | |
418 | find_pc_partial_function doesn't use a minimal symbol and thus | |
419 | cache a bad endaddr. */ | |
5c80ed9d TT |
420 | for (pp = objfile->global_psymbols.list + psymtab->globals_offset; |
421 | (pp - (objfile->global_psymbols.list + psymtab->globals_offset) | |
ccefe4c4 TT |
422 | < psymtab->n_global_syms); |
423 | pp++) | |
424 | { | |
425 | p = *pp; | |
426 | if (SYMBOL_DOMAIN (p) == VAR_DOMAIN | |
dbccfd4c | 427 | && PSYMBOL_CLASS (p) == LOC_BLOCK |
ccefe4c4 TT |
428 | && pc >= SYMBOL_VALUE_ADDRESS (p) |
429 | && (SYMBOL_VALUE_ADDRESS (p) > best_pc | |
430 | || (psymtab->textlow == 0 | |
431 | && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0))) | |
432 | { | |
0df8b418 | 433 | if (section) /* Match on a specific section. */ |
ccefe4c4 | 434 | { |
5c80ed9d | 435 | fixup_psymbol_section (p, objfile); |
e27d198c TT |
436 | if (!matching_obj_sections (SYMBOL_OBJ_SECTION (objfile, p), |
437 | section)) | |
ccefe4c4 TT |
438 | continue; |
439 | } | |
440 | best_pc = SYMBOL_VALUE_ADDRESS (p); | |
441 | best = p; | |
442 | } | |
443 | } | |
444 | ||
5c80ed9d TT |
445 | for (pp = objfile->static_psymbols.list + psymtab->statics_offset; |
446 | (pp - (objfile->static_psymbols.list + psymtab->statics_offset) | |
ccefe4c4 TT |
447 | < psymtab->n_static_syms); |
448 | pp++) | |
449 | { | |
450 | p = *pp; | |
451 | if (SYMBOL_DOMAIN (p) == VAR_DOMAIN | |
dbccfd4c | 452 | && PSYMBOL_CLASS (p) == LOC_BLOCK |
ccefe4c4 TT |
453 | && pc >= SYMBOL_VALUE_ADDRESS (p) |
454 | && (SYMBOL_VALUE_ADDRESS (p) > best_pc | |
455 | || (psymtab->textlow == 0 | |
456 | && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0))) | |
457 | { | |
0df8b418 | 458 | if (section) /* Match on a specific section. */ |
ccefe4c4 | 459 | { |
5c80ed9d | 460 | fixup_psymbol_section (p, objfile); |
e27d198c TT |
461 | if (!matching_obj_sections (SYMBOL_OBJ_SECTION (objfile, p), |
462 | section)) | |
ccefe4c4 TT |
463 | continue; |
464 | } | |
465 | best_pc = SYMBOL_VALUE_ADDRESS (p); | |
466 | best = p; | |
467 | } | |
468 | } | |
469 | ||
470 | return best; | |
471 | } | |
472 | ||
50da2f25 | 473 | static void |
ccefe4c4 TT |
474 | fixup_psymbol_section (struct partial_symbol *psym, struct objfile *objfile) |
475 | { | |
476 | CORE_ADDR addr; | |
477 | ||
e27d198c TT |
478 | if (!psym) |
479 | return; | |
480 | ||
481 | if (SYMBOL_SECTION (psym) >= 0) | |
50da2f25 | 482 | return; |
ccefe4c4 TT |
483 | |
484 | gdb_assert (objfile); | |
485 | ||
dbccfd4c | 486 | switch (PSYMBOL_CLASS (psym)) |
ccefe4c4 TT |
487 | { |
488 | case LOC_STATIC: | |
489 | case LOC_LABEL: | |
490 | case LOC_BLOCK: | |
491 | addr = SYMBOL_VALUE_ADDRESS (psym); | |
492 | break; | |
493 | default: | |
494 | /* Nothing else will be listed in the minsyms -- no use looking | |
495 | it up. */ | |
50da2f25 | 496 | return; |
ccefe4c4 TT |
497 | } |
498 | ||
499 | fixup_section (&psym->ginfo, addr, objfile); | |
ccefe4c4 TT |
500 | } |
501 | ||
83827540 DE |
502 | /* Psymtab version of lookup_symbol. See its definition in |
503 | the definition of quick_symbol_functions in symfile.h. */ | |
504 | ||
43f3e411 | 505 | static struct compunit_symtab * |
83827540 DE |
506 | psym_lookup_symbol (struct objfile *objfile, |
507 | int block_index, const char *name, | |
508 | const domain_enum domain) | |
ccefe4c4 TT |
509 | { |
510 | struct partial_symtab *ps; | |
511 | const int psymtab_index = (block_index == GLOBAL_BLOCK ? 1 : 0); | |
43f3e411 | 512 | struct compunit_symtab *stab_best = NULL; |
ccefe4c4 | 513 | |
b11896a5 | 514 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 | 515 | { |
5c80ed9d TT |
516 | if (!ps->readin && lookup_partial_symbol (objfile, ps, name, |
517 | psymtab_index, domain)) | |
c00f8484 KS |
518 | { |
519 | struct symbol *sym = NULL; | |
43f3e411 | 520 | struct compunit_symtab *stab = psymtab_to_symtab (objfile, ps); |
f194fefb DE |
521 | /* Note: While psymtab_to_symtab can return NULL if the partial symtab |
522 | is empty, we can assume it won't here because lookup_partial_symbol | |
523 | succeeded. */ | |
43f3e411 | 524 | const struct blockvector *bv = COMPUNIT_BLOCKVECTOR (stab); |
f194fefb | 525 | struct block *block = BLOCKVECTOR_BLOCK (bv, block_index); |
c00f8484 KS |
526 | |
527 | /* Some caution must be observed with overloaded functions | |
528 | and methods, since the psymtab will not contain any overload | |
529 | information (but NAME might contain it). */ | |
f194fefb | 530 | sym = block_lookup_symbol (block, name, domain); |
c00f8484 KS |
531 | |
532 | if (sym && strcmp_iw (SYMBOL_SEARCH_NAME (sym), name) == 0) | |
bfb05775 JK |
533 | { |
534 | if (!TYPE_IS_OPAQUE (SYMBOL_TYPE (sym))) | |
535 | return stab; | |
536 | ||
537 | stab_best = stab; | |
538 | } | |
c00f8484 KS |
539 | |
540 | /* Keep looking through other psymtabs. */ | |
541 | } | |
ccefe4c4 TT |
542 | } |
543 | ||
bfb05775 | 544 | return stab_best; |
ccefe4c4 TT |
545 | } |
546 | ||
40658b94 PH |
547 | /* Look in PST for a symbol in DOMAIN whose name matches NAME. Search |
548 | the global block of PST if GLOBAL, and otherwise the static block. | |
549 | MATCH is the comparison operation that returns true iff MATCH (s, | |
550 | NAME), where s is a SYMBOL_SEARCH_NAME. If ORDERED_COMPARE is | |
551 | non-null, the symbols in the block are assumed to be ordered | |
552 | according to it (allowing binary search). It must be compatible | |
553 | with MATCH. Returns the symbol, if found, and otherwise NULL. */ | |
554 | ||
555 | static struct partial_symbol * | |
5c80ed9d TT |
556 | match_partial_symbol (struct objfile *objfile, |
557 | struct partial_symtab *pst, int global, | |
40658b94 | 558 | const char *name, domain_enum domain, |
2edb89d3 JK |
559 | symbol_compare_ftype *match, |
560 | symbol_compare_ftype *ordered_compare) | |
40658b94 PH |
561 | { |
562 | struct partial_symbol **start, **psym; | |
563 | struct partial_symbol **top, **real_top, **bottom, **center; | |
564 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
565 | int do_linear_search = 1; | |
566 | ||
567 | if (length == 0) | |
568 | return NULL; | |
569 | start = (global ? | |
5c80ed9d TT |
570 | objfile->global_psymbols.list + pst->globals_offset : |
571 | objfile->static_psymbols.list + pst->statics_offset); | |
40658b94 PH |
572 | |
573 | if (global && ordered_compare) /* Can use a binary search. */ | |
574 | { | |
575 | do_linear_search = 0; | |
576 | ||
577 | /* Binary search. This search is guaranteed to end with center | |
578 | pointing at the earliest partial symbol whose name might be | |
579 | correct. At that point *all* partial symbols with an | |
580 | appropriate name will be checked against the correct | |
581 | domain. */ | |
582 | ||
583 | bottom = start; | |
584 | top = start + length - 1; | |
585 | real_top = top; | |
586 | while (top > bottom) | |
587 | { | |
588 | center = bottom + (top - bottom) / 2; | |
589 | gdb_assert (center < top); | |
590 | if (!do_linear_search | |
591 | && (SYMBOL_LANGUAGE (*center) == language_java)) | |
592 | do_linear_search = 1; | |
593 | if (ordered_compare (SYMBOL_SEARCH_NAME (*center), name) >= 0) | |
594 | top = center; | |
595 | else | |
596 | bottom = center + 1; | |
597 | } | |
598 | gdb_assert (top == bottom); | |
599 | ||
600 | while (top <= real_top | |
601 | && match (SYMBOL_SEARCH_NAME (*top), name) == 0) | |
602 | { | |
4186eb54 KS |
603 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*top), |
604 | SYMBOL_DOMAIN (*top), domain)) | |
40658b94 PH |
605 | return *top; |
606 | top++; | |
607 | } | |
608 | } | |
609 | ||
610 | /* Can't use a binary search or else we found during the binary search that | |
611 | we should also do a linear search. */ | |
612 | ||
613 | if (do_linear_search) | |
614 | { | |
615 | for (psym = start; psym < start + length; psym++) | |
616 | { | |
4186eb54 KS |
617 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym), |
618 | SYMBOL_DOMAIN (*psym), domain) | |
40658b94 PH |
619 | && match (SYMBOL_SEARCH_NAME (*psym), name) == 0) |
620 | return *psym; | |
621 | } | |
622 | } | |
623 | ||
624 | return NULL; | |
625 | } | |
626 | ||
c00f8484 KS |
627 | /* Returns the name used to search psymtabs. Unlike symtabs, psymtabs do |
628 | not contain any method/function instance information (since this would | |
629 | force reading type information while reading psymtabs). Therefore, | |
630 | if NAME contains overload information, it must be stripped before searching | |
631 | psymtabs. | |
632 | ||
633 | The caller is responsible for freeing the return result. */ | |
634 | ||
635 | static char * | |
636 | psymtab_search_name (const char *name) | |
637 | { | |
638 | switch (current_language->la_language) | |
639 | { | |
640 | case language_cplus: | |
641 | case language_java: | |
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) | |
676 | { | |
677 | return (NULL); | |
678 | } | |
c00f8484 KS |
679 | |
680 | search_name = psymtab_search_name (name); | |
681 | cleanup = make_cleanup (xfree, search_name); | |
ccefe4c4 | 682 | start = (global ? |
5c80ed9d TT |
683 | objfile->global_psymbols.list + pst->globals_offset : |
684 | objfile->static_psymbols.list + pst->statics_offset); | |
ccefe4c4 | 685 | |
0df8b418 | 686 | if (global) /* This means we can use a binary search. */ |
ccefe4c4 TT |
687 | { |
688 | do_linear_search = 0; | |
689 | ||
690 | /* Binary search. This search is guaranteed to end with center | |
691 | pointing at the earliest partial symbol whose name might be | |
692 | correct. At that point *all* partial symbols with an | |
693 | appropriate name will be checked against the correct | |
694 | domain. */ | |
695 | ||
696 | bottom = start; | |
697 | top = start + length - 1; | |
698 | real_top = top; | |
699 | while (top > bottom) | |
700 | { | |
701 | center = bottom + (top - bottom) / 2; | |
702 | if (!(center < top)) | |
3e43a32a MS |
703 | internal_error (__FILE__, __LINE__, |
704 | _("failed internal consistency check")); | |
ccefe4c4 | 705 | if (!do_linear_search |
40658b94 | 706 | && SYMBOL_LANGUAGE (*center) == language_java) |
ccefe4c4 TT |
707 | { |
708 | do_linear_search = 1; | |
709 | } | |
c00f8484 KS |
710 | if (strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*center), |
711 | search_name) >= 0) | |
ccefe4c4 TT |
712 | { |
713 | top = center; | |
714 | } | |
715 | else | |
716 | { | |
717 | bottom = center + 1; | |
718 | } | |
719 | } | |
720 | if (!(top == bottom)) | |
3e43a32a MS |
721 | internal_error (__FILE__, __LINE__, |
722 | _("failed internal consistency check")); | |
ccefe4c4 | 723 | |
559a7a62 JK |
724 | /* For `case_sensitivity == case_sensitive_off' strcmp_iw_ordered will |
725 | search more exactly than what matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
726 | while (top >= start && SYMBOL_MATCHES_SEARCH_NAME (*top, search_name)) | |
727 | top--; | |
728 | ||
729 | /* Fixup to have a symbol which matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
730 | top++; | |
731 | ||
732 | while (top <= real_top && SYMBOL_MATCHES_SEARCH_NAME (*top, search_name)) | |
ccefe4c4 | 733 | { |
4186eb54 KS |
734 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*top), |
735 | SYMBOL_DOMAIN (*top), domain)) | |
c00f8484 KS |
736 | { |
737 | do_cleanups (cleanup); | |
738 | return (*top); | |
739 | } | |
ccefe4c4 TT |
740 | top++; |
741 | } | |
742 | } | |
743 | ||
744 | /* Can't use a binary search or else we found during the binary search that | |
40658b94 | 745 | we should also do a linear search. */ |
ccefe4c4 TT |
746 | |
747 | if (do_linear_search) | |
748 | { | |
749 | for (psym = start; psym < start + length; psym++) | |
750 | { | |
4186eb54 KS |
751 | if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym), |
752 | SYMBOL_DOMAIN (*psym), domain) | |
c00f8484 KS |
753 | && SYMBOL_MATCHES_SEARCH_NAME (*psym, search_name)) |
754 | { | |
755 | do_cleanups (cleanup); | |
756 | return (*psym); | |
757 | } | |
ccefe4c4 TT |
758 | } |
759 | } | |
760 | ||
c00f8484 | 761 | do_cleanups (cleanup); |
ccefe4c4 TT |
762 | return (NULL); |
763 | } | |
764 | ||
765 | /* Get the symbol table that corresponds to a partial_symtab. | |
f194fefb DE |
766 | This is fast after the first time you do it. |
767 | The result will be NULL if the primary symtab has no symbols, | |
768 | which can happen. Otherwise the result is the primary symtab | |
769 | that contains PST. */ | |
ccefe4c4 | 770 | |
43f3e411 | 771 | static struct compunit_symtab * |
5c80ed9d | 772 | psymtab_to_symtab (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 773 | { |
9439a077 TT |
774 | /* If it is a shared psymtab, find an unshared psymtab that includes |
775 | it. Any such psymtab will do. */ | |
776 | while (pst->user != NULL) | |
777 | pst = pst->user; | |
778 | ||
0df8b418 | 779 | /* If it's been looked up before, return it. */ |
43f3e411 DE |
780 | if (pst->compunit_symtab) |
781 | return pst->compunit_symtab; | |
ccefe4c4 TT |
782 | |
783 | /* If it has not yet been read in, read it. */ | |
784 | if (!pst->readin) | |
785 | { | |
786 | struct cleanup *back_to = increment_reading_symtab (); | |
ad3bbd48 | 787 | |
257e7a09 | 788 | (*pst->read_symtab) (pst, objfile); |
ccefe4c4 TT |
789 | do_cleanups (back_to); |
790 | } | |
791 | ||
43f3e411 | 792 | return pst->compunit_symtab; |
ccefe4c4 TT |
793 | } |
794 | ||
83827540 DE |
795 | /* Psymtab version of relocate. See its definition in |
796 | the definition of quick_symbol_functions in symfile.h. */ | |
797 | ||
ccefe4c4 | 798 | static void |
83827540 DE |
799 | psym_relocate (struct objfile *objfile, |
800 | const struct section_offsets *new_offsets, | |
801 | const struct section_offsets *delta) | |
ccefe4c4 TT |
802 | { |
803 | struct partial_symbol **psym; | |
804 | struct partial_symtab *p; | |
805 | ||
b11896a5 | 806 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) |
ccefe4c4 TT |
807 | { |
808 | p->textlow += ANOFFSET (delta, SECT_OFF_TEXT (objfile)); | |
809 | p->texthigh += ANOFFSET (delta, SECT_OFF_TEXT (objfile)); | |
810 | } | |
811 | ||
812 | for (psym = objfile->global_psymbols.list; | |
813 | psym < objfile->global_psymbols.next; | |
814 | psym++) | |
815 | { | |
816 | fixup_psymbol_section (*psym, objfile); | |
817 | if (SYMBOL_SECTION (*psym) >= 0) | |
818 | SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta, | |
819 | SYMBOL_SECTION (*psym)); | |
820 | } | |
821 | for (psym = objfile->static_psymbols.list; | |
822 | psym < objfile->static_psymbols.next; | |
823 | psym++) | |
824 | { | |
825 | fixup_psymbol_section (*psym, objfile); | |
826 | if (SYMBOL_SECTION (*psym) >= 0) | |
827 | SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta, | |
828 | SYMBOL_SECTION (*psym)); | |
829 | } | |
830 | } | |
831 | ||
83827540 DE |
832 | /* Psymtab version of find_last_source_symtab. See its definition in |
833 | the definition of quick_symbol_functions in symfile.h. */ | |
834 | ||
ccefe4c4 | 835 | static struct symtab * |
83827540 | 836 | psym_find_last_source_symtab (struct objfile *ofp) |
ccefe4c4 | 837 | { |
ccefe4c4 TT |
838 | struct partial_symtab *ps; |
839 | struct partial_symtab *cs_pst = 0; | |
840 | ||
b11896a5 | 841 | ALL_OBJFILE_PSYMTABS_REQUIRED (ofp, ps) |
ccefe4c4 TT |
842 | { |
843 | const char *name = ps->filename; | |
844 | int len = strlen (name); | |
ad3bbd48 | 845 | |
ccefe4c4 TT |
846 | if (!(len > 2 && (strcmp (&name[len - 2], ".h") == 0 |
847 | || strcmp (name, "<<C++-namespaces>>") == 0))) | |
848 | cs_pst = ps; | |
849 | } | |
850 | ||
851 | if (cs_pst) | |
852 | { | |
853 | if (cs_pst->readin) | |
854 | { | |
855 | internal_error (__FILE__, __LINE__, | |
856 | _("select_source_symtab: " | |
857 | "readin pst found and no symtabs.")); | |
858 | } | |
859 | else | |
43f3e411 DE |
860 | { |
861 | struct compunit_symtab *cust = psymtab_to_symtab (ofp, cs_pst); | |
862 | ||
863 | if (cust == NULL) | |
864 | return NULL; | |
865 | return compunit_primary_filetab (cust); | |
866 | } | |
ccefe4c4 TT |
867 | } |
868 | return NULL; | |
869 | } | |
870 | ||
83827540 DE |
871 | /* Psymtab version of forget_cached_source_info. See its definition in |
872 | the definition of quick_symbol_functions in symfile.h. */ | |
873 | ||
ccefe4c4 | 874 | static void |
83827540 | 875 | psym_forget_cached_source_info (struct objfile *objfile) |
ccefe4c4 TT |
876 | { |
877 | struct partial_symtab *pst; | |
878 | ||
b11896a5 | 879 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) |
ccefe4c4 TT |
880 | { |
881 | if (pst->fullname != NULL) | |
882 | { | |
883 | xfree (pst->fullname); | |
884 | pst->fullname = NULL; | |
885 | } | |
886 | } | |
887 | } | |
888 | ||
889 | static void | |
890 | print_partial_symbols (struct gdbarch *gdbarch, | |
891 | struct partial_symbol **p, int count, char *what, | |
892 | struct ui_file *outfile) | |
893 | { | |
894 | fprintf_filtered (outfile, " %s partial symbols:\n", what); | |
895 | while (count-- > 0) | |
896 | { | |
27618ce4 | 897 | QUIT; |
ccefe4c4 TT |
898 | fprintf_filtered (outfile, " `%s'", SYMBOL_LINKAGE_NAME (*p)); |
899 | if (SYMBOL_DEMANGLED_NAME (*p) != NULL) | |
900 | { | |
901 | fprintf_filtered (outfile, " `%s'", SYMBOL_DEMANGLED_NAME (*p)); | |
902 | } | |
903 | fputs_filtered (", ", outfile); | |
904 | switch (SYMBOL_DOMAIN (*p)) | |
905 | { | |
906 | case UNDEF_DOMAIN: | |
907 | fputs_filtered ("undefined domain, ", outfile); | |
908 | break; | |
909 | case VAR_DOMAIN: | |
0df8b418 | 910 | /* This is the usual thing -- don't print it. */ |
ccefe4c4 TT |
911 | break; |
912 | case STRUCT_DOMAIN: | |
913 | fputs_filtered ("struct domain, ", outfile); | |
914 | break; | |
915 | case LABEL_DOMAIN: | |
916 | fputs_filtered ("label domain, ", outfile); | |
917 | break; | |
918 | default: | |
919 | fputs_filtered ("<invalid domain>, ", outfile); | |
920 | break; | |
921 | } | |
dbccfd4c | 922 | switch (PSYMBOL_CLASS (*p)) |
ccefe4c4 TT |
923 | { |
924 | case LOC_UNDEF: | |
925 | fputs_filtered ("undefined", outfile); | |
926 | break; | |
927 | case LOC_CONST: | |
928 | fputs_filtered ("constant int", outfile); | |
929 | break; | |
930 | case LOC_STATIC: | |
931 | fputs_filtered ("static", outfile); | |
932 | break; | |
933 | case LOC_REGISTER: | |
934 | fputs_filtered ("register", outfile); | |
935 | break; | |
936 | case LOC_ARG: | |
937 | fputs_filtered ("pass by value", outfile); | |
938 | break; | |
939 | case LOC_REF_ARG: | |
940 | fputs_filtered ("pass by reference", outfile); | |
941 | break; | |
942 | case LOC_REGPARM_ADDR: | |
943 | fputs_filtered ("register address parameter", outfile); | |
944 | break; | |
945 | case LOC_LOCAL: | |
946 | fputs_filtered ("stack parameter", outfile); | |
947 | break; | |
948 | case LOC_TYPEDEF: | |
949 | fputs_filtered ("type", outfile); | |
950 | break; | |
951 | case LOC_LABEL: | |
952 | fputs_filtered ("label", outfile); | |
953 | break; | |
954 | case LOC_BLOCK: | |
955 | fputs_filtered ("function", outfile); | |
956 | break; | |
957 | case LOC_CONST_BYTES: | |
958 | fputs_filtered ("constant bytes", outfile); | |
959 | break; | |
960 | case LOC_UNRESOLVED: | |
961 | fputs_filtered ("unresolved", outfile); | |
962 | break; | |
963 | case LOC_OPTIMIZED_OUT: | |
964 | fputs_filtered ("optimized out", outfile); | |
965 | break; | |
966 | case LOC_COMPUTED: | |
967 | fputs_filtered ("computed at runtime", outfile); | |
968 | break; | |
969 | default: | |
970 | fputs_filtered ("<invalid location>", outfile); | |
971 | break; | |
972 | } | |
973 | fputs_filtered (", ", outfile); | |
974 | fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (*p)), outfile); | |
975 | fprintf_filtered (outfile, "\n"); | |
976 | p++; | |
977 | } | |
978 | } | |
979 | ||
980 | static void | |
981 | dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab, | |
982 | struct ui_file *outfile) | |
983 | { | |
984 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
985 | int i; | |
986 | ||
b4c41fc7 DE |
987 | if (psymtab->anonymous) |
988 | { | |
989 | fprintf_filtered (outfile, "\nAnonymous partial symtab (%s) ", | |
990 | psymtab->filename); | |
991 | } | |
992 | else | |
993 | { | |
994 | fprintf_filtered (outfile, "\nPartial symtab for source file %s ", | |
995 | psymtab->filename); | |
996 | } | |
ccefe4c4 TT |
997 | fprintf_filtered (outfile, "(object "); |
998 | gdb_print_host_address (psymtab, outfile); | |
999 | fprintf_filtered (outfile, ")\n\n"); | |
1000 | fprintf_unfiltered (outfile, " Read from object file %s (", | |
4262abfb | 1001 | objfile_name (objfile)); |
ccefe4c4 TT |
1002 | gdb_print_host_address (objfile, outfile); |
1003 | fprintf_unfiltered (outfile, ")\n"); | |
1004 | ||
1005 | if (psymtab->readin) | |
1006 | { | |
1007 | fprintf_filtered (outfile, | |
1008 | " Full symtab was read (at "); | |
43f3e411 | 1009 | gdb_print_host_address (psymtab->compunit_symtab, outfile); |
ccefe4c4 TT |
1010 | fprintf_filtered (outfile, " by function at "); |
1011 | gdb_print_host_address (psymtab->read_symtab, outfile); | |
1012 | fprintf_filtered (outfile, ")\n"); | |
1013 | } | |
1014 | ||
1015 | fprintf_filtered (outfile, " Relocate symbols by "); | |
5c80ed9d | 1016 | for (i = 0; i < objfile->num_sections; ++i) |
ccefe4c4 TT |
1017 | { |
1018 | if (i != 0) | |
1019 | fprintf_filtered (outfile, ", "); | |
1020 | wrap_here (" "); | |
1021 | fputs_filtered (paddress (gdbarch, | |
1022 | ANOFFSET (psymtab->section_offsets, i)), | |
1023 | outfile); | |
1024 | } | |
1025 | fprintf_filtered (outfile, "\n"); | |
1026 | ||
1027 | fprintf_filtered (outfile, " Symbols cover text addresses "); | |
1028 | fputs_filtered (paddress (gdbarch, psymtab->textlow), outfile); | |
1029 | fprintf_filtered (outfile, "-"); | |
1030 | fputs_filtered (paddress (gdbarch, psymtab->texthigh), outfile); | |
1031 | fprintf_filtered (outfile, "\n"); | |
9750bca9 JK |
1032 | fprintf_filtered (outfile, " Address map supported - %s.\n", |
1033 | psymtab->psymtabs_addrmap_supported ? "yes" : "no"); | |
ccefe4c4 TT |
1034 | fprintf_filtered (outfile, " Depends on %d other partial symtabs.\n", |
1035 | psymtab->number_of_dependencies); | |
1036 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
1037 | { | |
1038 | fprintf_filtered (outfile, " %d ", i); | |
1039 | gdb_print_host_address (psymtab->dependencies[i], outfile); | |
1040 | fprintf_filtered (outfile, " %s\n", | |
1041 | psymtab->dependencies[i]->filename); | |
1042 | } | |
9439a077 TT |
1043 | if (psymtab->user != NULL) |
1044 | { | |
1045 | fprintf_filtered (outfile, " Shared partial symtab with user "); | |
1046 | gdb_print_host_address (psymtab->user, outfile); | |
1047 | fprintf_filtered (outfile, "\n"); | |
1048 | } | |
ccefe4c4 TT |
1049 | if (psymtab->n_global_syms > 0) |
1050 | { | |
1051 | print_partial_symbols (gdbarch, | |
1052 | objfile->global_psymbols.list | |
1053 | + psymtab->globals_offset, | |
1054 | psymtab->n_global_syms, "Global", outfile); | |
1055 | } | |
1056 | if (psymtab->n_static_syms > 0) | |
1057 | { | |
1058 | print_partial_symbols (gdbarch, | |
1059 | objfile->static_psymbols.list | |
1060 | + psymtab->statics_offset, | |
1061 | psymtab->n_static_syms, "Static", outfile); | |
1062 | } | |
1063 | fprintf_filtered (outfile, "\n"); | |
1064 | } | |
1065 | ||
83827540 DE |
1066 | /* Psymtab version of print_stats. See its definition in |
1067 | the definition of quick_symbol_functions in symfile.h. */ | |
1068 | ||
ccefe4c4 | 1069 | static void |
83827540 | 1070 | psym_print_stats (struct objfile *objfile) |
ccefe4c4 TT |
1071 | { |
1072 | int i; | |
1073 | struct partial_symtab *ps; | |
ad3bbd48 | 1074 | |
ccefe4c4 | 1075 | i = 0; |
b11896a5 | 1076 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1077 | { |
1078 | if (ps->readin == 0) | |
1079 | i++; | |
1080 | } | |
1081 | printf_filtered (_(" Number of psym tables (not yet expanded): %d\n"), i); | |
1082 | } | |
1083 | ||
83827540 DE |
1084 | /* Psymtab version of dump. See its definition in |
1085 | the definition of quick_symbol_functions in symfile.h. */ | |
1086 | ||
ccefe4c4 | 1087 | static void |
83827540 | 1088 | psym_dump (struct objfile *objfile) |
ccefe4c4 TT |
1089 | { |
1090 | struct partial_symtab *psymtab; | |
1091 | ||
1092 | if (objfile->psymtabs) | |
1093 | { | |
1094 | printf_filtered ("Psymtabs:\n"); | |
1095 | for (psymtab = objfile->psymtabs; | |
1096 | psymtab != NULL; | |
1097 | psymtab = psymtab->next) | |
1098 | { | |
1099 | printf_filtered ("%s at ", | |
1100 | psymtab->filename); | |
1101 | gdb_print_host_address (psymtab, gdb_stdout); | |
1102 | printf_filtered (", "); | |
ccefe4c4 TT |
1103 | wrap_here (" "); |
1104 | } | |
1105 | printf_filtered ("\n\n"); | |
1106 | } | |
1107 | } | |
1108 | ||
83827540 DE |
1109 | /* Psymtab version of expand_symtabs_for_function. See its definition in |
1110 | the definition of quick_symbol_functions in symfile.h. */ | |
ccefe4c4 TT |
1111 | |
1112 | static void | |
83827540 DE |
1113 | psym_expand_symtabs_for_function (struct objfile *objfile, |
1114 | const char *func_name) | |
ccefe4c4 TT |
1115 | { |
1116 | struct partial_symtab *ps; | |
1117 | ||
b11896a5 | 1118 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1119 | { |
1120 | if (ps->readin) | |
1121 | continue; | |
1122 | ||
5c80ed9d | 1123 | if ((lookup_partial_symbol (objfile, ps, func_name, 1, VAR_DOMAIN) |
ccefe4c4 | 1124 | != NULL) |
5c80ed9d | 1125 | || (lookup_partial_symbol (objfile, ps, func_name, 0, VAR_DOMAIN) |
ccefe4c4 | 1126 | != NULL)) |
5c80ed9d | 1127 | psymtab_to_symtab (objfile, ps); |
ccefe4c4 TT |
1128 | } |
1129 | } | |
1130 | ||
83827540 DE |
1131 | /* Psymtab version of expand_all_symtabs. See its definition in |
1132 | the definition of quick_symbol_functions in symfile.h. */ | |
1133 | ||
ccefe4c4 | 1134 | static void |
83827540 | 1135 | psym_expand_all_symtabs (struct objfile *objfile) |
ccefe4c4 TT |
1136 | { |
1137 | struct partial_symtab *psymtab; | |
1138 | ||
b11896a5 | 1139 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab) |
ccefe4c4 | 1140 | { |
5c80ed9d | 1141 | psymtab_to_symtab (objfile, psymtab); |
ccefe4c4 TT |
1142 | } |
1143 | } | |
1144 | ||
83827540 DE |
1145 | /* Psymtab version of expand_symtabs_with_fullname. See its definition in |
1146 | the definition of quick_symbol_functions in symfile.h. */ | |
1147 | ||
ccefe4c4 | 1148 | static void |
83827540 DE |
1149 | psym_expand_symtabs_with_fullname (struct objfile *objfile, |
1150 | const char *fullname) | |
ccefe4c4 TT |
1151 | { |
1152 | struct partial_symtab *p; | |
1153 | ||
b11896a5 | 1154 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) |
ccefe4c4 | 1155 | { |
b4c41fc7 DE |
1156 | /* Anonymous psymtabs don't have a name of a source file. */ |
1157 | if (p->anonymous) | |
1158 | continue; | |
1159 | ||
5ff888ce DE |
1160 | /* psymtab_to_fullname tries to open the file which is slow. |
1161 | Don't call it if we know the basenames don't match. */ | |
1162 | if ((basenames_may_differ | |
1163 | || filename_cmp (lbasename (fullname), lbasename (p->filename)) == 0) | |
1164 | && filename_cmp (fullname, psymtab_to_fullname (p)) == 0) | |
5c80ed9d | 1165 | psymtab_to_symtab (objfile, p); |
ccefe4c4 TT |
1166 | } |
1167 | } | |
1168 | ||
83827540 DE |
1169 | /* Psymtab version of map_symbol_filenames. See its definition in |
1170 | the definition of quick_symbol_functions in symfile.h. */ | |
1171 | ||
ccefe4c4 | 1172 | static void |
83827540 DE |
1173 | psym_map_symbol_filenames (struct objfile *objfile, |
1174 | symbol_filename_ftype *fun, void *data, | |
1175 | int need_fullname) | |
ccefe4c4 TT |
1176 | { |
1177 | struct partial_symtab *ps; | |
1178 | ||
b11896a5 | 1179 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1180 | { |
1181 | const char *fullname; | |
1182 | ||
1183 | if (ps->readin) | |
1184 | continue; | |
1185 | ||
f80c6f3f DE |
1186 | /* We can skip shared psymtabs here, because any file name will be |
1187 | attached to the unshared psymtab. */ | |
1188 | if (ps->user != NULL) | |
1189 | continue; | |
1190 | ||
b4c41fc7 DE |
1191 | /* Anonymous psymtabs don't have a file name. */ |
1192 | if (ps->anonymous) | |
1193 | continue; | |
1194 | ||
821296b7 | 1195 | QUIT; |
74e2f255 DE |
1196 | if (need_fullname) |
1197 | fullname = psymtab_to_fullname (ps); | |
1198 | else | |
1199 | fullname = NULL; | |
2837d59e | 1200 | (*fun) (ps->filename, fullname, data); |
ccefe4c4 TT |
1201 | } |
1202 | } | |
1203 | ||
ccefe4c4 TT |
1204 | /* Finds the fullname that a partial_symtab represents. |
1205 | ||
1206 | If this functions finds the fullname, it will save it in ps->fullname | |
1207 | and it will also return the value. | |
1208 | ||
1209 | If this function fails to find the file that this partial_symtab represents, | |
1210 | NULL will be returned and ps->fullname will be set to NULL. */ | |
256f06f3 | 1211 | |
da5132d3 | 1212 | static const char * |
ccefe4c4 TT |
1213 | psymtab_to_fullname (struct partial_symtab *ps) |
1214 | { | |
fbd9ab74 | 1215 | gdb_assert (!ps->anonymous); |
ccefe4c4 | 1216 | |
256f06f3 DE |
1217 | /* Use cached copy if we have it. |
1218 | We rely on forget_cached_source_info being called appropriately | |
1219 | to handle cases like the file being moved. */ | |
fbd9ab74 JK |
1220 | if (ps->fullname == NULL) |
1221 | { | |
1222 | int fd = find_and_open_source (ps->filename, ps->dirname, &ps->fullname); | |
256f06f3 | 1223 | |
fbd9ab74 JK |
1224 | if (fd >= 0) |
1225 | close (fd); | |
1226 | else | |
1227 | { | |
1228 | char *fullname; | |
1229 | struct cleanup *back_to; | |
ccefe4c4 | 1230 | |
fbd9ab74 JK |
1231 | /* rewrite_source_path would be applied by find_and_open_source, we |
1232 | should report the pathname where GDB tried to find the file. */ | |
ccefe4c4 | 1233 | |
fbd9ab74 JK |
1234 | if (ps->dirname == NULL || IS_ABSOLUTE_PATH (ps->filename)) |
1235 | fullname = xstrdup (ps->filename); | |
1236 | else | |
1237 | fullname = concat (ps->dirname, SLASH_STRING, ps->filename, NULL); | |
1238 | ||
1239 | back_to = make_cleanup (xfree, fullname); | |
1240 | ps->fullname = rewrite_source_path (fullname); | |
1241 | if (ps->fullname == NULL) | |
1242 | ps->fullname = xstrdup (fullname); | |
1243 | do_cleanups (back_to); | |
1244 | } | |
1245 | } | |
1246 | ||
1247 | return ps->fullname; | |
ccefe4c4 TT |
1248 | } |
1249 | ||
fe978cb0 | 1250 | /* For all symbols, s, in BLOCK that are in DOMAIN and match NAME |
40658b94 PH |
1251 | according to the function MATCH, call CALLBACK(BLOCK, s, DATA). |
1252 | BLOCK is assumed to come from OBJFILE. Returns 1 iff CALLBACK | |
1253 | ever returns non-zero, and otherwise returns 0. */ | |
ccefe4c4 | 1254 | |
40658b94 | 1255 | static int |
fe978cb0 | 1256 | map_block (const char *name, domain_enum domain, struct objfile *objfile, |
40658b94 PH |
1257 | struct block *block, |
1258 | int (*callback) (struct block *, struct symbol *, void *), | |
2edb89d3 | 1259 | void *data, symbol_compare_ftype *match) |
ccefe4c4 | 1260 | { |
8157b174 | 1261 | struct block_iterator iter; |
40658b94 | 1262 | struct symbol *sym; |
ccefe4c4 | 1263 | |
8157b174 TT |
1264 | for (sym = block_iter_match_first (block, name, match, &iter); |
1265 | sym != NULL; sym = block_iter_match_next (name, match, &iter)) | |
ccefe4c4 | 1266 | { |
4186eb54 | 1267 | if (symbol_matches_domain (SYMBOL_LANGUAGE (sym), |
fe978cb0 | 1268 | SYMBOL_DOMAIN (sym), domain)) |
40658b94 PH |
1269 | { |
1270 | if (callback (block, sym, data)) | |
1271 | return 1; | |
1272 | } | |
ccefe4c4 TT |
1273 | } |
1274 | ||
40658b94 | 1275 | return 0; |
ccefe4c4 TT |
1276 | } |
1277 | ||
40658b94 PH |
1278 | /* Psymtab version of map_matching_symbols. See its definition in |
1279 | the definition of quick_symbol_functions in symfile.h. */ | |
1280 | ||
ccefe4c4 | 1281 | static void |
83827540 | 1282 | psym_map_matching_symbols (struct objfile *objfile, |
fe978cb0 | 1283 | const char *name, domain_enum domain, |
83827540 DE |
1284 | int global, |
1285 | int (*callback) (struct block *, | |
1286 | struct symbol *, void *), | |
1287 | void *data, | |
1288 | symbol_compare_ftype *match, | |
1289 | symbol_compare_ftype *ordered_compare) | |
ccefe4c4 | 1290 | { |
40658b94 | 1291 | const int block_kind = global ? GLOBAL_BLOCK : STATIC_BLOCK; |
ccefe4c4 TT |
1292 | struct partial_symtab *ps; |
1293 | ||
b11896a5 | 1294 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 TT |
1295 | { |
1296 | QUIT; | |
1297 | if (ps->readin | |
fe978cb0 | 1298 | || match_partial_symbol (objfile, ps, global, name, domain, match, |
40658b94 | 1299 | ordered_compare)) |
ccefe4c4 | 1300 | { |
43f3e411 | 1301 | struct compunit_symtab *cust = psymtab_to_symtab (objfile, ps); |
40658b94 | 1302 | struct block *block; |
ad3bbd48 | 1303 | |
43f3e411 | 1304 | if (cust == NULL) |
ccefe4c4 | 1305 | continue; |
43f3e411 | 1306 | block = BLOCKVECTOR_BLOCK (COMPUNIT_BLOCKVECTOR (cust), block_kind); |
fe978cb0 | 1307 | if (map_block (name, domain, objfile, block, |
40658b94 PH |
1308 | callback, data, match)) |
1309 | return; | |
1310 | if (callback (block, NULL, data)) | |
1311 | return; | |
ccefe4c4 TT |
1312 | } |
1313 | } | |
40658b94 | 1314 | } |
ccefe4c4 | 1315 | |
83827540 | 1316 | /* A helper for psym_expand_symtabs_matching that handles |
9439a077 TT |
1317 | searching included psymtabs. This returns 1 if a symbol is found, |
1318 | and zero otherwise. It also updates the 'searched_flag' on the | |
1319 | various psymtabs that it searches. */ | |
1320 | ||
1321 | static int | |
1322 | recursively_search_psymtabs (struct partial_symtab *ps, | |
1323 | struct objfile *objfile, | |
1324 | enum search_domain kind, | |
206f2a57 | 1325 | expand_symtabs_symbol_matcher_ftype *sym_matcher, |
9439a077 TT |
1326 | void *data) |
1327 | { | |
1328 | struct partial_symbol **psym; | |
1329 | struct partial_symbol **bound, **gbound, **sbound; | |
1330 | int keep_going = 1; | |
1331 | int result = PST_SEARCHED_AND_NOT_FOUND; | |
1332 | int i; | |
1333 | ||
1334 | if (ps->searched_flag != PST_NOT_SEARCHED) | |
1335 | return ps->searched_flag == PST_SEARCHED_AND_FOUND; | |
1336 | ||
1337 | /* Recurse into shared psymtabs first, because they may have already | |
1338 | been searched, and this could save some time. */ | |
1339 | for (i = 0; i < ps->number_of_dependencies; ++i) | |
1340 | { | |
1341 | int r; | |
1342 | ||
1343 | /* Skip non-shared dependencies, these are handled elsewhere. */ | |
1344 | if (ps->dependencies[i]->user == NULL) | |
1345 | continue; | |
1346 | ||
1347 | r = recursively_search_psymtabs (ps->dependencies[i], | |
206f2a57 | 1348 | objfile, kind, sym_matcher, data); |
9439a077 TT |
1349 | if (r != 0) |
1350 | { | |
1351 | ps->searched_flag = PST_SEARCHED_AND_FOUND; | |
1352 | return 1; | |
1353 | } | |
1354 | } | |
1355 | ||
1356 | gbound = (objfile->global_psymbols.list | |
1357 | + ps->globals_offset + ps->n_global_syms); | |
1358 | sbound = (objfile->static_psymbols.list | |
1359 | + ps->statics_offset + ps->n_static_syms); | |
1360 | bound = gbound; | |
1361 | ||
1362 | /* Go through all of the symbols stored in a partial | |
1363 | symtab in one loop. */ | |
1364 | psym = objfile->global_psymbols.list + ps->globals_offset; | |
1365 | while (keep_going) | |
1366 | { | |
1367 | if (psym >= bound) | |
1368 | { | |
1369 | if (bound == gbound && ps->n_static_syms != 0) | |
1370 | { | |
1371 | psym = objfile->static_psymbols.list + ps->statics_offset; | |
1372 | bound = sbound; | |
1373 | } | |
1374 | else | |
1375 | keep_going = 0; | |
1376 | continue; | |
1377 | } | |
1378 | else | |
1379 | { | |
1380 | QUIT; | |
1381 | ||
1382 | if ((kind == ALL_DOMAIN | |
1383 | || (kind == VARIABLES_DOMAIN | |
dbccfd4c TT |
1384 | && PSYMBOL_CLASS (*psym) != LOC_TYPEDEF |
1385 | && PSYMBOL_CLASS (*psym) != LOC_BLOCK) | |
9439a077 | 1386 | || (kind == FUNCTIONS_DOMAIN |
dbccfd4c | 1387 | && PSYMBOL_CLASS (*psym) == LOC_BLOCK) |
9439a077 | 1388 | || (kind == TYPES_DOMAIN |
dbccfd4c | 1389 | && PSYMBOL_CLASS (*psym) == LOC_TYPEDEF)) |
206f2a57 | 1390 | && (*sym_matcher) (SYMBOL_SEARCH_NAME (*psym), data)) |
9439a077 TT |
1391 | { |
1392 | /* Found a match, so notify our caller. */ | |
1393 | result = PST_SEARCHED_AND_FOUND; | |
1394 | keep_going = 0; | |
1395 | } | |
1396 | } | |
1397 | psym++; | |
1398 | } | |
1399 | ||
1400 | ps->searched_flag = result; | |
1401 | return result == PST_SEARCHED_AND_FOUND; | |
1402 | } | |
1403 | ||
83827540 DE |
1404 | /* Psymtab version of expand_symtabs_matching. See its definition in |
1405 | the definition of quick_symbol_functions in symfile.h. */ | |
1406 | ||
ccefe4c4 | 1407 | static void |
83827540 | 1408 | psym_expand_symtabs_matching |
f8eba3c6 | 1409 | (struct objfile *objfile, |
206f2a57 DE |
1410 | expand_symtabs_file_matcher_ftype *file_matcher, |
1411 | expand_symtabs_symbol_matcher_ftype *symbol_matcher, | |
276d885b | 1412 | expand_symtabs_exp_notify_ftype *expansion_notify, |
f8eba3c6 TT |
1413 | enum search_domain kind, |
1414 | void *data) | |
ccefe4c4 TT |
1415 | { |
1416 | struct partial_symtab *ps; | |
1417 | ||
9439a077 | 1418 | /* Clear the search flags. */ |
b11896a5 | 1419 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
ccefe4c4 | 1420 | { |
9439a077 TT |
1421 | ps->searched_flag = PST_NOT_SEARCHED; |
1422 | } | |
ccefe4c4 | 1423 | |
9439a077 TT |
1424 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) |
1425 | { | |
30b3dd9d DE |
1426 | QUIT; |
1427 | ||
ccefe4c4 TT |
1428 | if (ps->readin) |
1429 | continue; | |
1430 | ||
9439a077 TT |
1431 | /* We skip shared psymtabs because file-matching doesn't apply |
1432 | to them; but we search them later in the loop. */ | |
1433 | if (ps->user != NULL) | |
ccefe4c4 TT |
1434 | continue; |
1435 | ||
b4c41fc7 DE |
1436 | if (file_matcher) |
1437 | { | |
680d1742 DE |
1438 | int match; |
1439 | ||
b4c41fc7 DE |
1440 | if (ps->anonymous) |
1441 | continue; | |
fbd9ab74 | 1442 | |
680d1742 DE |
1443 | match = (*file_matcher) (ps->filename, data, 0); |
1444 | if (!match) | |
1445 | { | |
1446 | /* Before we invoke realpath, which can get expensive when many | |
1447 | files are involved, do a quick comparison of the basenames. */ | |
1448 | if (basenames_may_differ | |
fbd9ab74 | 1449 | || (*file_matcher) (lbasename (ps->filename), data, 1)) |
680d1742 DE |
1450 | match = (*file_matcher) (psymtab_to_fullname (ps), data, 0); |
1451 | } | |
1452 | if (!match) | |
b4c41fc7 DE |
1453 | continue; |
1454 | } | |
ccefe4c4 | 1455 | |
206f2a57 | 1456 | if (recursively_search_psymtabs (ps, objfile, kind, symbol_matcher, data)) |
276d885b GB |
1457 | { |
1458 | struct compunit_symtab *symtab = | |
1459 | psymtab_to_symtab (objfile, ps); | |
1460 | ||
1461 | if (expansion_notify != NULL) | |
1462 | expansion_notify (symtab, data); | |
1463 | } | |
ccefe4c4 TT |
1464 | } |
1465 | } | |
1466 | ||
83827540 DE |
1467 | /* Psymtab version of has_symbols. See its definition in |
1468 | the definition of quick_symbol_functions in symfile.h. */ | |
1469 | ||
ccefe4c4 | 1470 | static int |
83827540 | 1471 | psym_has_symbols (struct objfile *objfile) |
ccefe4c4 TT |
1472 | { |
1473 | return objfile->psymtabs != NULL; | |
1474 | } | |
1475 | ||
1476 | const struct quick_symbol_functions psym_functions = | |
1477 | { | |
83827540 DE |
1478 | psym_has_symbols, |
1479 | psym_find_last_source_symtab, | |
1480 | psym_forget_cached_source_info, | |
1481 | psym_map_symtabs_matching_filename, | |
1482 | psym_lookup_symbol, | |
1483 | psym_print_stats, | |
1484 | psym_dump, | |
1485 | psym_relocate, | |
1486 | psym_expand_symtabs_for_function, | |
1487 | psym_expand_all_symtabs, | |
1488 | psym_expand_symtabs_with_fullname, | |
1489 | psym_map_matching_symbols, | |
1490 | psym_expand_symtabs_matching, | |
1491 | psym_find_pc_sect_compunit_symtab, | |
1492 | psym_map_symbol_filenames | |
ccefe4c4 TT |
1493 | }; |
1494 | ||
1495 | \f | |
1496 | ||
1497 | /* This compares two partial symbols by names, using strcmp_iw_ordered | |
1498 | for the comparison. */ | |
1499 | ||
1500 | static int | |
1501 | compare_psymbols (const void *s1p, const void *s2p) | |
1502 | { | |
1503 | struct partial_symbol *const *s1 = s1p; | |
1504 | struct partial_symbol *const *s2 = s2p; | |
1505 | ||
1506 | return strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*s1), | |
1507 | SYMBOL_SEARCH_NAME (*s2)); | |
1508 | } | |
1509 | ||
1510 | void | |
5c80ed9d | 1511 | sort_pst_symbols (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 1512 | { |
0df8b418 | 1513 | /* Sort the global list; don't sort the static list. */ |
ccefe4c4 | 1514 | |
5c80ed9d | 1515 | qsort (objfile->global_psymbols.list + pst->globals_offset, |
ccefe4c4 TT |
1516 | pst->n_global_syms, sizeof (struct partial_symbol *), |
1517 | compare_psymbols); | |
1518 | } | |
1519 | ||
1520 | /* Allocate and partially fill a partial symtab. It will be | |
1521 | completely filled at the end of the symbol list. | |
1522 | ||
0df8b418 | 1523 | FILENAME is the name of the symbol-file we are reading from. */ |
ccefe4c4 TT |
1524 | |
1525 | struct partial_symtab * | |
1526 | start_psymtab_common (struct objfile *objfile, | |
1527 | struct section_offsets *section_offsets, | |
1528 | const char *filename, | |
1529 | CORE_ADDR textlow, struct partial_symbol **global_syms, | |
1530 | struct partial_symbol **static_syms) | |
1531 | { | |
1532 | struct partial_symtab *psymtab; | |
1533 | ||
1534 | psymtab = allocate_psymtab (filename, objfile); | |
1535 | psymtab->section_offsets = section_offsets; | |
1536 | psymtab->textlow = textlow; | |
1537 | psymtab->texthigh = psymtab->textlow; /* default */ | |
1538 | psymtab->globals_offset = global_syms - objfile->global_psymbols.list; | |
1539 | psymtab->statics_offset = static_syms - objfile->static_psymbols.list; | |
1540 | return (psymtab); | |
1541 | } | |
1542 | ||
cbd70537 SW |
1543 | /* Calculate a hash code for the given partial symbol. The hash is |
1544 | calculated using the symbol's value, language, domain, class | |
0df8b418 | 1545 | and name. These are the values which are set by |
cbd70537 SW |
1546 | add_psymbol_to_bcache. */ |
1547 | ||
710e1a31 | 1548 | static unsigned long |
cbd70537 SW |
1549 | psymbol_hash (const void *addr, int length) |
1550 | { | |
1551 | unsigned long h = 0; | |
1552 | struct partial_symbol *psymbol = (struct partial_symbol *) addr; | |
1553 | unsigned int lang = psymbol->ginfo.language; | |
1554 | unsigned int domain = PSYMBOL_DOMAIN (psymbol); | |
fe978cb0 | 1555 | unsigned int theclass = PSYMBOL_CLASS (psymbol); |
cbd70537 SW |
1556 | |
1557 | h = hash_continue (&psymbol->ginfo.value, sizeof (psymbol->ginfo.value), h); | |
1558 | h = hash_continue (&lang, sizeof (unsigned int), h); | |
1559 | h = hash_continue (&domain, sizeof (unsigned int), h); | |
fe978cb0 | 1560 | h = hash_continue (&theclass, sizeof (unsigned int), h); |
cbd70537 SW |
1561 | h = hash_continue (psymbol->ginfo.name, strlen (psymbol->ginfo.name), h); |
1562 | ||
1563 | return h; | |
1564 | } | |
1565 | ||
1566 | /* Returns true if the symbol at addr1 equals the symbol at addr2. | |
1567 | For the comparison this function uses a symbols value, | |
1568 | language, domain, class and name. */ | |
1569 | ||
710e1a31 | 1570 | static int |
cbd70537 SW |
1571 | psymbol_compare (const void *addr1, const void *addr2, int length) |
1572 | { | |
1573 | struct partial_symbol *sym1 = (struct partial_symbol *) addr1; | |
1574 | struct partial_symbol *sym2 = (struct partial_symbol *) addr2; | |
1575 | ||
1576 | return (memcmp (&sym1->ginfo.value, &sym1->ginfo.value, | |
1577 | sizeof (sym1->ginfo.value)) == 0 | |
1578 | && sym1->ginfo.language == sym2->ginfo.language | |
1579 | && PSYMBOL_DOMAIN (sym1) == PSYMBOL_DOMAIN (sym2) | |
1580 | && PSYMBOL_CLASS (sym1) == PSYMBOL_CLASS (sym2) | |
1581 | && sym1->ginfo.name == sym2->ginfo.name); | |
1582 | } | |
1583 | ||
710e1a31 SW |
1584 | /* Initialize a partial symbol bcache. */ |
1585 | ||
1586 | struct psymbol_bcache * | |
1587 | psymbol_bcache_init (void) | |
1588 | { | |
fc270c35 | 1589 | struct psymbol_bcache *bcache = XCNEW (struct psymbol_bcache); |
710e1a31 SW |
1590 | bcache->bcache = bcache_xmalloc (psymbol_hash, psymbol_compare); |
1591 | return bcache; | |
1592 | } | |
1593 | ||
1594 | /* Free a partial symbol bcache. */ | |
1595 | void | |
1596 | psymbol_bcache_free (struct psymbol_bcache *bcache) | |
1597 | { | |
1598 | if (bcache == NULL) | |
1599 | return; | |
1600 | ||
1601 | bcache_xfree (bcache->bcache); | |
1602 | xfree (bcache); | |
1603 | } | |
1604 | ||
0df8b418 | 1605 | /* Return the internal bcache of the psymbol_bcache BCACHE. */ |
710e1a31 SW |
1606 | |
1607 | struct bcache * | |
1608 | psymbol_bcache_get_bcache (struct psymbol_bcache *bcache) | |
1609 | { | |
1610 | return bcache->bcache; | |
1611 | } | |
1612 | ||
1613 | /* Find a copy of the SYM in BCACHE. If BCACHE has never seen this | |
1614 | symbol before, add a copy to BCACHE. In either case, return a pointer | |
1615 | to BCACHE's copy of the symbol. If optional ADDED is not NULL, return | |
1616 | 1 in case of new entry or 0 if returning an old entry. */ | |
1617 | ||
1618 | static const struct partial_symbol * | |
1619 | psymbol_bcache_full (struct partial_symbol *sym, | |
1620 | struct psymbol_bcache *bcache, | |
1621 | int *added) | |
1622 | { | |
1623 | return bcache_full (sym, | |
1624 | sizeof (struct partial_symbol), | |
1625 | bcache->bcache, | |
1626 | added); | |
1627 | } | |
1628 | ||
ccefe4c4 TT |
1629 | /* Helper function, initialises partial symbol structure and stashes |
1630 | it into objfile's bcache. Note that our caching mechanism will | |
1631 | use all fields of struct partial_symbol to determine hash value of the | |
1632 | structure. In other words, having two symbols with the same name but | |
1633 | different domain (or address) is possible and correct. */ | |
1634 | ||
1635 | static const struct partial_symbol * | |
72b9f47f | 1636 | add_psymbol_to_bcache (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1637 | domain_enum domain, |
fe978cb0 | 1638 | enum address_class theclass, |
ccefe4c4 TT |
1639 | long val, /* Value as a long */ |
1640 | CORE_ADDR coreaddr, /* Value as a CORE_ADDR */ | |
1641 | enum language language, struct objfile *objfile, | |
1642 | int *added) | |
1643 | { | |
cbd70537 SW |
1644 | struct partial_symbol psymbol; |
1645 | ||
f85f34ed TT |
1646 | /* We must ensure that the entire struct has been zeroed before |
1647 | assigning to it, because an assignment may not touch some of the | |
1648 | holes. */ | |
1649 | memset (&psymbol, 0, sizeof (psymbol)); | |
fc956729 | 1650 | |
0df8b418 | 1651 | /* val and coreaddr are mutually exclusive, one of them *will* be zero. */ |
ccefe4c4 TT |
1652 | if (val != 0) |
1653 | { | |
1654 | SYMBOL_VALUE (&psymbol) = val; | |
1655 | } | |
1656 | else | |
1657 | { | |
1658 | SYMBOL_VALUE_ADDRESS (&psymbol) = coreaddr; | |
1659 | } | |
e27d198c | 1660 | SYMBOL_SECTION (&psymbol) = -1; |
f85f34ed | 1661 | SYMBOL_SET_LANGUAGE (&psymbol, language, &objfile->objfile_obstack); |
ccefe4c4 | 1662 | PSYMBOL_DOMAIN (&psymbol) = domain; |
fe978cb0 | 1663 | PSYMBOL_CLASS (&psymbol) = theclass; |
ccefe4c4 TT |
1664 | |
1665 | SYMBOL_SET_NAMES (&psymbol, name, namelength, copy_name, objfile); | |
1666 | ||
0df8b418 | 1667 | /* Stash the partial symbol away in the cache. */ |
710e1a31 SW |
1668 | return psymbol_bcache_full (&psymbol, |
1669 | objfile->psymbol_cache, | |
1670 | added); | |
ccefe4c4 TT |
1671 | } |
1672 | ||
923c6a3d | 1673 | /* Increase the space allocated for LISTP, which is probably |
0df8b418 | 1674 | global_psymbols or static_psymbols. This space will eventually |
923c6a3d TT |
1675 | be freed in free_objfile(). */ |
1676 | ||
1677 | static void | |
1678 | extend_psymbol_list (struct psymbol_allocation_list *listp, | |
1679 | struct objfile *objfile) | |
1680 | { | |
1681 | int new_size; | |
1682 | ||
1683 | if (listp->size == 0) | |
1684 | { | |
1685 | new_size = 255; | |
1686 | listp->list = (struct partial_symbol **) | |
1687 | xmalloc (new_size * sizeof (struct partial_symbol *)); | |
1688 | } | |
1689 | else | |
1690 | { | |
1691 | new_size = listp->size * 2; | |
1692 | listp->list = (struct partial_symbol **) | |
1693 | xrealloc ((char *) listp->list, | |
1694 | new_size * sizeof (struct partial_symbol *)); | |
1695 | } | |
1696 | /* Next assumes we only went one over. Should be good if | |
0df8b418 | 1697 | program works correctly. */ |
923c6a3d TT |
1698 | listp->next = listp->list + listp->size; |
1699 | listp->size = new_size; | |
1700 | } | |
1701 | ||
ccefe4c4 TT |
1702 | /* Helper function, adds partial symbol to the given partial symbol |
1703 | list. */ | |
1704 | ||
1705 | static void | |
1706 | append_psymbol_to_list (struct psymbol_allocation_list *list, | |
1707 | const struct partial_symbol *psym, | |
1708 | struct objfile *objfile) | |
1709 | { | |
1710 | if (list->next >= list->list + list->size) | |
1711 | extend_psymbol_list (list, objfile); | |
1712 | *list->next++ = (struct partial_symbol *) psym; | |
1713 | OBJSTAT (objfile, n_psyms++); | |
1714 | } | |
1715 | ||
1716 | /* Add a symbol with a long value to a psymtab. | |
1717 | Since one arg is a struct, we pass in a ptr and deref it (sigh). | |
1718 | Return the partial symbol that has been added. */ | |
1719 | ||
7dc25483 | 1720 | void |
72b9f47f | 1721 | add_psymbol_to_list (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1722 | domain_enum domain, |
fe978cb0 | 1723 | enum address_class theclass, |
ccefe4c4 TT |
1724 | struct psymbol_allocation_list *list, |
1725 | long val, /* Value as a long */ | |
1726 | CORE_ADDR coreaddr, /* Value as a CORE_ADDR */ | |
1727 | enum language language, struct objfile *objfile) | |
1728 | { | |
1729 | const struct partial_symbol *psym; | |
1730 | ||
1731 | int added; | |
1732 | ||
0df8b418 | 1733 | /* Stash the partial symbol away in the cache. */ |
fe978cb0 | 1734 | psym = add_psymbol_to_bcache (name, namelength, copy_name, domain, theclass, |
ccefe4c4 TT |
1735 | val, coreaddr, language, objfile, &added); |
1736 | ||
1737 | /* Do not duplicate global partial symbols. */ | |
1738 | if (list == &objfile->global_psymbols | |
1739 | && !added) | |
7dc25483 | 1740 | return; |
ccefe4c4 | 1741 | |
0df8b418 | 1742 | /* Save pointer to partial symbol in psymtab, growing symtab if needed. */ |
ccefe4c4 | 1743 | append_psymbol_to_list (list, psym, objfile); |
ccefe4c4 TT |
1744 | } |
1745 | ||
1746 | /* Initialize storage for partial symbols. */ | |
1747 | ||
1748 | void | |
1749 | init_psymbol_list (struct objfile *objfile, int total_symbols) | |
1750 | { | |
1751 | /* Free any previously allocated psymbol lists. */ | |
1752 | ||
1753 | if (objfile->global_psymbols.list) | |
1754 | { | |
1755 | xfree (objfile->global_psymbols.list); | |
1756 | } | |
1757 | if (objfile->static_psymbols.list) | |
1758 | { | |
1759 | xfree (objfile->static_psymbols.list); | |
1760 | } | |
1761 | ||
1762 | /* Current best guess is that approximately a twentieth | |
1763 | of the total symbols (in a debugging file) are global or static | |
ca9c6ee2 | 1764 | oriented symbols, then multiply that by slop factor of two. */ |
ccefe4c4 TT |
1765 | |
1766 | objfile->global_psymbols.size = total_symbols / 10; | |
1767 | objfile->static_psymbols.size = total_symbols / 10; | |
1768 | ||
1769 | if (objfile->global_psymbols.size > 0) | |
1770 | { | |
1771 | objfile->global_psymbols.next = | |
1772 | objfile->global_psymbols.list = (struct partial_symbol **) | |
1773 | xmalloc ((objfile->global_psymbols.size | |
1774 | * sizeof (struct partial_symbol *))); | |
1775 | } | |
1776 | if (objfile->static_psymbols.size > 0) | |
1777 | { | |
1778 | objfile->static_psymbols.next = | |
1779 | objfile->static_psymbols.list = (struct partial_symbol **) | |
1780 | xmalloc ((objfile->static_psymbols.size | |
1781 | * sizeof (struct partial_symbol *))); | |
1782 | } | |
1783 | } | |
1784 | ||
1785 | struct partial_symtab * | |
1786 | allocate_psymtab (const char *filename, struct objfile *objfile) | |
1787 | { | |
1788 | struct partial_symtab *psymtab; | |
1789 | ||
1790 | if (objfile->free_psymtabs) | |
1791 | { | |
1792 | psymtab = objfile->free_psymtabs; | |
1793 | objfile->free_psymtabs = psymtab->next; | |
1794 | } | |
1795 | else | |
1796 | psymtab = (struct partial_symtab *) | |
1797 | obstack_alloc (&objfile->objfile_obstack, | |
1798 | sizeof (struct partial_symtab)); | |
1799 | ||
1800 | memset (psymtab, 0, sizeof (struct partial_symtab)); | |
bf121224 TT |
1801 | psymtab->filename = bcache (filename, strlen (filename) + 1, |
1802 | objfile->per_bfd->filename_cache); | |
43f3e411 | 1803 | psymtab->compunit_symtab = NULL; |
ccefe4c4 TT |
1804 | |
1805 | /* Prepend it to the psymtab list for the objfile it belongs to. | |
1806 | Psymtabs are searched in most recent inserted -> least recent | |
0df8b418 | 1807 | inserted order. */ |
ccefe4c4 | 1808 | |
ccefe4c4 TT |
1809 | psymtab->next = objfile->psymtabs; |
1810 | objfile->psymtabs = psymtab; | |
ccefe4c4 | 1811 | |
45cfd468 DE |
1812 | if (symtab_create_debug) |
1813 | { | |
1814 | /* Be a bit clever with debugging messages, and don't print objfile | |
1815 | every time, only when it changes. */ | |
1816 | static char *last_objfile_name = NULL; | |
1817 | ||
1818 | if (last_objfile_name == NULL | |
4262abfb | 1819 | || strcmp (last_objfile_name, objfile_name (objfile)) != 0) |
45cfd468 DE |
1820 | { |
1821 | xfree (last_objfile_name); | |
4262abfb | 1822 | last_objfile_name = xstrdup (objfile_name (objfile)); |
45cfd468 DE |
1823 | fprintf_unfiltered (gdb_stdlog, |
1824 | "Creating one or more psymtabs for objfile %s ...\n", | |
1825 | last_objfile_name); | |
1826 | } | |
1827 | fprintf_unfiltered (gdb_stdlog, | |
fd55216c DE |
1828 | "Created psymtab %s for module %s.\n", |
1829 | host_address_to_string (psymtab), filename); | |
45cfd468 DE |
1830 | } |
1831 | ||
ccefe4c4 TT |
1832 | return (psymtab); |
1833 | } | |
1834 | ||
1835 | void | |
5c80ed9d | 1836 | discard_psymtab (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 TT |
1837 | { |
1838 | struct partial_symtab **prev_pst; | |
1839 | ||
1840 | /* From dbxread.c: | |
1841 | Empty psymtabs happen as a result of header files which don't | |
1842 | have any symbols in them. There can be a lot of them. But this | |
1843 | check is wrong, in that a psymtab with N_SLINE entries but | |
1844 | nothing else is not empty, but we don't realize that. Fixing | |
1845 | that without slowing things down might be tricky. */ | |
1846 | ||
0df8b418 | 1847 | /* First, snip it out of the psymtab chain. */ |
ccefe4c4 | 1848 | |
5c80ed9d | 1849 | prev_pst = &(objfile->psymtabs); |
ccefe4c4 TT |
1850 | while ((*prev_pst) != pst) |
1851 | prev_pst = &((*prev_pst)->next); | |
1852 | (*prev_pst) = pst->next; | |
1853 | ||
0df8b418 | 1854 | /* Next, put it on a free list for recycling. */ |
ccefe4c4 | 1855 | |
5c80ed9d TT |
1856 | pst->next = objfile->free_psymtabs; |
1857 | objfile->free_psymtabs = pst; | |
ccefe4c4 TT |
1858 | } |
1859 | ||
c9bf0622 TT |
1860 | /* An object of this type is passed to discard_psymtabs_upto. */ |
1861 | ||
1862 | struct psymtab_state | |
1863 | { | |
1864 | /* The objfile where psymtabs are discarded. */ | |
1865 | ||
1866 | struct objfile *objfile; | |
1867 | ||
1868 | /* The first psymtab to save. */ | |
1869 | ||
1870 | struct partial_symtab *save; | |
1871 | }; | |
1872 | ||
1873 | /* A cleanup function used by make_cleanup_discard_psymtabs. */ | |
1874 | ||
1875 | static void | |
1876 | discard_psymtabs_upto (void *arg) | |
1877 | { | |
1878 | struct psymtab_state *state = arg; | |
1879 | ||
1880 | while (state->objfile->psymtabs != state->save) | |
1881 | discard_psymtab (state->objfile, state->objfile->psymtabs); | |
1882 | } | |
1883 | ||
1884 | /* Return a new cleanup that discards all psymtabs created in OBJFILE | |
1885 | after this function is called. */ | |
1886 | ||
1887 | struct cleanup * | |
1888 | make_cleanup_discard_psymtabs (struct objfile *objfile) | |
1889 | { | |
1890 | struct psymtab_state *state = XNEW (struct psymtab_state); | |
1891 | ||
1892 | state->objfile = objfile; | |
1893 | state->save = objfile->psymtabs; | |
1894 | ||
1895 | return make_cleanup_dtor (discard_psymtabs_upto, state, xfree); | |
1896 | } | |
1897 | ||
ccefe4c4 TT |
1898 | \f |
1899 | ||
dfc7bb5b | 1900 | static void |
ccefe4c4 TT |
1901 | maintenance_print_psymbols (char *args, int from_tty) |
1902 | { | |
1903 | char **argv; | |
1904 | struct ui_file *outfile; | |
1905 | struct cleanup *cleanups; | |
1906 | char *symname = NULL; | |
1907 | char *filename = DEV_TTY; | |
1908 | struct objfile *objfile; | |
1909 | struct partial_symtab *ps; | |
1910 | ||
1911 | dont_repeat (); | |
1912 | ||
1913 | if (args == NULL) | |
1914 | { | |
3e43a32a MS |
1915 | error (_("\ |
1916 | print-psymbols takes an output file name and optional symbol file name")); | |
ccefe4c4 TT |
1917 | } |
1918 | argv = gdb_buildargv (args); | |
1919 | cleanups = make_cleanup_freeargv (argv); | |
1920 | ||
1921 | if (argv[0] != NULL) | |
1922 | { | |
1923 | filename = argv[0]; | |
0df8b418 | 1924 | /* If a second arg is supplied, it is a source file name to match on. */ |
ccefe4c4 TT |
1925 | if (argv[1] != NULL) |
1926 | { | |
1927 | symname = argv[1]; | |
1928 | } | |
1929 | } | |
1930 | ||
1931 | filename = tilde_expand (filename); | |
1932 | make_cleanup (xfree, filename); | |
1933 | ||
1934 | outfile = gdb_fopen (filename, FOPEN_WT); | |
1935 | if (outfile == 0) | |
1936 | perror_with_name (filename); | |
1937 | make_cleanup_ui_file_delete (outfile); | |
1938 | ||
ccefe4c4 | 1939 | ALL_PSYMTABS (objfile, ps) |
27618ce4 TT |
1940 | { |
1941 | QUIT; | |
1942 | if (symname == NULL || filename_cmp (symname, ps->filename) == 0) | |
1943 | dump_psymtab (objfile, ps, outfile); | |
1944 | } | |
ccefe4c4 TT |
1945 | do_cleanups (cleanups); |
1946 | } | |
1947 | ||
1948 | /* List all the partial symbol tables whose names match REGEXP (optional). */ | |
dfc7bb5b | 1949 | static void |
ccefe4c4 TT |
1950 | maintenance_info_psymtabs (char *regexp, int from_tty) |
1951 | { | |
1952 | struct program_space *pspace; | |
1953 | struct objfile *objfile; | |
1954 | ||
1955 | if (regexp) | |
1956 | re_comp (regexp); | |
1957 | ||
1958 | ALL_PSPACES (pspace) | |
1959 | ALL_PSPACE_OBJFILES (pspace, objfile) | |
1960 | { | |
1961 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
1962 | struct partial_symtab *psymtab; | |
1963 | ||
1964 | /* We don't want to print anything for this objfile until we | |
1965 | actually find a symtab whose name matches. */ | |
1966 | int printed_objfile_start = 0; | |
1967 | ||
b11896a5 | 1968 | ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab) |
ccefe4c4 TT |
1969 | { |
1970 | QUIT; | |
1971 | ||
1972 | if (! regexp | |
1973 | || re_exec (psymtab->filename)) | |
1974 | { | |
1975 | if (! printed_objfile_start) | |
1976 | { | |
4262abfb | 1977 | printf_filtered ("{ objfile %s ", objfile_name (objfile)); |
ccefe4c4 TT |
1978 | wrap_here (" "); |
1979 | printf_filtered ("((struct objfile *) %s)\n", | |
1980 | host_address_to_string (objfile)); | |
1981 | printed_objfile_start = 1; | |
1982 | } | |
1983 | ||
1984 | printf_filtered (" { psymtab %s ", psymtab->filename); | |
1985 | wrap_here (" "); | |
1986 | printf_filtered ("((struct partial_symtab *) %s)\n", | |
1987 | host_address_to_string (psymtab)); | |
1988 | ||
1989 | printf_filtered (" readin %s\n", | |
1990 | psymtab->readin ? "yes" : "no"); | |
1991 | printf_filtered (" fullname %s\n", | |
3e43a32a MS |
1992 | psymtab->fullname |
1993 | ? psymtab->fullname : "(null)"); | |
ccefe4c4 TT |
1994 | printf_filtered (" text addresses "); |
1995 | fputs_filtered (paddress (gdbarch, psymtab->textlow), | |
1996 | gdb_stdout); | |
1997 | printf_filtered (" -- "); | |
1998 | fputs_filtered (paddress (gdbarch, psymtab->texthigh), | |
1999 | gdb_stdout); | |
2000 | printf_filtered ("\n"); | |
9750bca9 JK |
2001 | printf_filtered (" psymtabs_addrmap_supported %s\n", |
2002 | (psymtab->psymtabs_addrmap_supported | |
2003 | ? "yes" : "no")); | |
ccefe4c4 TT |
2004 | printf_filtered (" globals "); |
2005 | if (psymtab->n_global_syms) | |
2006 | { | |
2007 | printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", | |
5c80ed9d | 2008 | host_address_to_string (objfile->global_psymbols.list |
ccefe4c4 TT |
2009 | + psymtab->globals_offset), |
2010 | psymtab->n_global_syms); | |
2011 | } | |
2012 | else | |
2013 | printf_filtered ("(none)\n"); | |
2014 | printf_filtered (" statics "); | |
2015 | if (psymtab->n_static_syms) | |
2016 | { | |
2017 | printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", | |
5c80ed9d | 2018 | host_address_to_string (objfile->static_psymbols.list |
ccefe4c4 TT |
2019 | + psymtab->statics_offset), |
2020 | psymtab->n_static_syms); | |
2021 | } | |
2022 | else | |
2023 | printf_filtered ("(none)\n"); | |
2024 | printf_filtered (" dependencies "); | |
2025 | if (psymtab->number_of_dependencies) | |
2026 | { | |
2027 | int i; | |
2028 | ||
2029 | printf_filtered ("{\n"); | |
2030 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
2031 | { | |
2032 | struct partial_symtab *dep = psymtab->dependencies[i]; | |
2033 | ||
2034 | /* Note the string concatenation there --- no comma. */ | |
2035 | printf_filtered (" psymtab %s " | |
2036 | "((struct partial_symtab *) %s)\n", | |
2037 | dep->filename, | |
2038 | host_address_to_string (dep)); | |
2039 | } | |
2040 | printf_filtered (" }\n"); | |
2041 | } | |
2042 | else | |
2043 | printf_filtered ("(none)\n"); | |
2044 | printf_filtered (" }\n"); | |
2045 | } | |
2046 | } | |
2047 | ||
2048 | if (printed_objfile_start) | |
2049 | printf_filtered ("}\n"); | |
2050 | } | |
2051 | } | |
2052 | ||
7d0c9981 | 2053 | /* Check consistency of currently expanded psymtabs vs symtabs. */ |
ccefe4c4 | 2054 | |
dfc7bb5b | 2055 | static void |
7d0c9981 | 2056 | maintenance_check_psymtabs (char *ignore, int from_tty) |
ccefe4c4 TT |
2057 | { |
2058 | struct symbol *sym; | |
2059 | struct partial_symbol **psym; | |
43f3e411 | 2060 | struct compunit_symtab *cust = NULL; |
ccefe4c4 | 2061 | struct partial_symtab *ps; |
346d1dfe | 2062 | const struct blockvector *bv; |
ccefe4c4 TT |
2063 | struct objfile *objfile; |
2064 | struct block *b; | |
2065 | int length; | |
2066 | ||
2067 | ALL_PSYMTABS (objfile, ps) | |
2068 | { | |
2069 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
ad3bbd48 | 2070 | |
7d0c9981 DE |
2071 | /* We don't call psymtab_to_symtab here because that may cause symtab |
2072 | expansion. When debugging a problem it helps if checkers leave | |
2073 | things unchanged. */ | |
43f3e411 | 2074 | cust = ps->compunit_symtab; |
7d0c9981 DE |
2075 | |
2076 | /* First do some checks that don't require the associated symtab. */ | |
2077 | if (ps->texthigh < ps->textlow) | |
2078 | { | |
2079 | printf_filtered ("Psymtab "); | |
2080 | puts_filtered (ps->filename); | |
2081 | printf_filtered (" covers bad range "); | |
2082 | fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout); | |
2083 | printf_filtered (" - "); | |
2084 | fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout); | |
2085 | printf_filtered ("\n"); | |
2086 | continue; | |
2087 | } | |
2088 | ||
2089 | /* Now do checks requiring the associated symtab. */ | |
43f3e411 | 2090 | if (cust == NULL) |
ccefe4c4 | 2091 | continue; |
43f3e411 | 2092 | bv = COMPUNIT_BLOCKVECTOR (cust); |
ccefe4c4 | 2093 | b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); |
5c80ed9d | 2094 | psym = objfile->static_psymbols.list + ps->statics_offset; |
ccefe4c4 TT |
2095 | length = ps->n_static_syms; |
2096 | while (length--) | |
2097 | { | |
16b2eaa1 | 2098 | sym = block_lookup_symbol (b, SYMBOL_LINKAGE_NAME (*psym), |
ccefe4c4 TT |
2099 | SYMBOL_DOMAIN (*psym)); |
2100 | if (!sym) | |
2101 | { | |
2102 | printf_filtered ("Static symbol `"); | |
2103 | puts_filtered (SYMBOL_LINKAGE_NAME (*psym)); | |
2104 | printf_filtered ("' only found in "); | |
2105 | puts_filtered (ps->filename); | |
2106 | printf_filtered (" psymtab\n"); | |
2107 | } | |
2108 | psym++; | |
2109 | } | |
2110 | b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
5c80ed9d | 2111 | psym = objfile->global_psymbols.list + ps->globals_offset; |
ccefe4c4 TT |
2112 | length = ps->n_global_syms; |
2113 | while (length--) | |
2114 | { | |
16b2eaa1 | 2115 | sym = block_lookup_symbol (b, SYMBOL_LINKAGE_NAME (*psym), |
ccefe4c4 TT |
2116 | SYMBOL_DOMAIN (*psym)); |
2117 | if (!sym) | |
2118 | { | |
2119 | printf_filtered ("Global symbol `"); | |
2120 | puts_filtered (SYMBOL_LINKAGE_NAME (*psym)); | |
2121 | printf_filtered ("' only found in "); | |
2122 | puts_filtered (ps->filename); | |
2123 | printf_filtered (" psymtab\n"); | |
2124 | } | |
2125 | psym++; | |
2126 | } | |
7d0c9981 DE |
2127 | if (ps->texthigh != 0 |
2128 | && (ps->textlow < BLOCK_START (b) || ps->texthigh > BLOCK_END (b))) | |
ccefe4c4 TT |
2129 | { |
2130 | printf_filtered ("Psymtab "); | |
2131 | puts_filtered (ps->filename); | |
2132 | printf_filtered (" covers "); | |
2133 | fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout); | |
2134 | printf_filtered (" - "); | |
2135 | fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout); | |
2136 | printf_filtered (" but symtab covers only "); | |
2137 | fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout); | |
2138 | printf_filtered (" - "); | |
2139 | fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout); | |
2140 | printf_filtered ("\n"); | |
2141 | } | |
2142 | } | |
2143 | } | |
2144 | ||
2145 | \f | |
2146 | ||
dfc7bb5b YQ |
2147 | extern initialize_file_ftype _initialize_psymtab; |
2148 | ||
2149 | void | |
2150 | _initialize_psymtab (void) | |
2151 | { | |
2152 | add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols, _("\ | |
2153 | Print dump of current partial symbol definitions.\n\ | |
2154 | Entries in the partial symbol table are dumped to file OUTFILE.\n\ | |
2155 | If a SOURCE file is specified, dump only that file's partial symbols."), | |
2156 | &maintenanceprintlist); | |
2157 | ||
2158 | add_cmd ("psymtabs", class_maintenance, maintenance_info_psymtabs, _("\ | |
2159 | List the partial symbol tables for all object files.\n\ | |
2160 | This does not include information about individual partial symbols,\n\ | |
2161 | just the symbol table structures themselves."), | |
2162 | &maintenanceinfolist); | |
2163 | ||
7d0c9981 DE |
2164 | add_cmd ("check-psymtabs", class_maintenance, maintenance_check_psymtabs, |
2165 | _("\ | |
2166 | Check consistency of currently expanded psymtabs versus symtabs."), | |
dfc7bb5b YQ |
2167 | &maintenancelist); |
2168 | } |