Commit | Line | Data |
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ccefe4c4 | 1 | /* Partial symbol tables. |
95cf5869 | 2 | |
42a4f53d | 3 | Copyright (C) 2009-2019 Free Software Foundation, Inc. |
ccefe4c4 TT |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include "defs.h" | |
21 | #include "symtab.h" | |
ccefe4c4 | 22 | #include "objfiles.h" |
b22a7c6a | 23 | #include "psympriv.h" |
ccefe4c4 TT |
24 | #include "block.h" |
25 | #include "filenames.h" | |
26 | #include "source.h" | |
27 | #include "addrmap.h" | |
28 | #include "gdbtypes.h" | |
ccefe4c4 TT |
29 | #include "ui-out.h" |
30 | #include "command.h" | |
31 | #include "readline/readline.h" | |
32 | #include "gdb_regex.h" | |
40658b94 | 33 | #include "dictionary.h" |
c00f8484 KS |
34 | #include "language.h" |
35 | #include "cp-support.h" | |
dfc7bb5b | 36 | #include "gdbcmd.h" |
af5bf4ad | 37 | #include <algorithm> |
71a3c369 | 38 | #include <set> |
ccefe4c4 | 39 | |
5c80ed9d TT |
40 | static struct partial_symbol *match_partial_symbol (struct objfile *, |
41 | struct partial_symtab *, | |
40658b94 PH |
42 | int, |
43 | const char *, domain_enum, | |
b5ec771e | 44 | symbol_name_match_type, |
2edb89d3 | 45 | symbol_compare_ftype *); |
40658b94 | 46 | |
5c80ed9d TT |
47 | static struct partial_symbol *lookup_partial_symbol (struct objfile *, |
48 | struct partial_symtab *, | |
ccefe4c4 TT |
49 | const char *, int, |
50 | domain_enum); | |
51 | ||
da5132d3 | 52 | static const char *psymtab_to_fullname (struct partial_symtab *ps); |
ccefe4c4 | 53 | |
5c80ed9d TT |
54 | static struct partial_symbol *find_pc_sect_psymbol (struct objfile *, |
55 | struct partial_symtab *, | |
ccefe4c4 TT |
56 | CORE_ADDR, |
57 | struct obj_section *); | |
58 | ||
43f3e411 DE |
59 | static struct compunit_symtab *psymtab_to_symtab (struct objfile *objfile, |
60 | struct partial_symtab *pst); | |
ccefe4c4 | 61 | |
d320c2b5 TT |
62 | \f |
63 | ||
25629dfd TT |
64 | static unsigned long psymbol_hash (const void *addr, int length); |
65 | static int psymbol_compare (const void *addr1, const void *addr2, int length); | |
66 | ||
8d7bcccb | 67 | psymtab_storage::psymtab_storage () |
25629dfd | 68 | : psymbol_cache (psymbol_hash, psymbol_compare) |
d320c2b5 TT |
69 | { |
70 | } | |
71 | ||
72 | psymtab_storage::~psymtab_storage () | |
73 | { | |
d320c2b5 TT |
74 | } |
75 | ||
b596a3c7 TT |
76 | /* See psymtab.h. */ |
77 | ||
78 | struct partial_symtab * | |
79 | psymtab_storage::allocate_psymtab () | |
80 | { | |
81 | struct partial_symtab *psymtab; | |
82 | ||
83 | if (free_psymtabs != nullptr) | |
84 | { | |
85 | psymtab = free_psymtabs; | |
86 | free_psymtabs = psymtab->next; | |
87 | } | |
88 | else | |
89 | psymtab = XOBNEW (obstack (), struct partial_symtab); | |
90 | ||
91 | memset (psymtab, 0, sizeof (struct partial_symtab)); | |
92 | ||
93 | psymtab->next = psymtabs; | |
94 | psymtabs = psymtab; | |
95 | ||
96 | return psymtab; | |
97 | } | |
98 | ||
d320c2b5 TT |
99 | \f |
100 | ||
b22a7c6a | 101 | /* See psymtab.h. */ |
b11896a5 | 102 | |
f252c6d5 | 103 | psymtab_storage::partial_symtab_range |
b11896a5 TT |
104 | require_partial_symbols (struct objfile *objfile, int verbose) |
105 | { | |
106 | if ((objfile->flags & OBJF_PSYMTABS_READ) == 0) | |
107 | { | |
108 | objfile->flags |= OBJF_PSYMTABS_READ; | |
109 | ||
110 | if (objfile->sf->sym_read_psymbols) | |
111 | { | |
112 | if (verbose) | |
3453e7e4 TT |
113 | printf_filtered (_("Reading symbols from %s...\n"), |
114 | objfile_name (objfile)); | |
b11896a5 | 115 | (*objfile->sf->sym_read_psymbols) (objfile); |
af5bf4ad SM |
116 | |
117 | /* Partial symbols list are not expected to changed after this | |
118 | point. */ | |
d320c2b5 TT |
119 | objfile->partial_symtabs->global_psymbols.shrink_to_fit (); |
120 | objfile->partial_symtabs->static_psymbols.shrink_to_fit (); | |
af5bf4ad | 121 | |
3453e7e4 TT |
122 | if (verbose && !objfile_has_symbols (objfile)) |
123 | printf_filtered (_("(No debugging symbols found in %s)\n"), | |
124 | objfile_name (objfile)); | |
b11896a5 TT |
125 | } |
126 | } | |
127 | ||
f252c6d5 | 128 | return objfile->psymtabs (); |
b11896a5 TT |
129 | } |
130 | ||
83827540 | 131 | /* Helper function for psym_map_symtabs_matching_filename that |
f8eba3c6 | 132 | expands the symtabs and calls the iterator. */ |
ccefe4c4 | 133 | |
14bc53a8 | 134 | static bool |
f8eba3c6 TT |
135 | partial_map_expand_apply (struct objfile *objfile, |
136 | const char *name, | |
f8eba3c6 TT |
137 | const char *real_path, |
138 | struct partial_symtab *pst, | |
14bc53a8 | 139 | gdb::function_view<bool (symtab *)> callback) |
f8eba3c6 | 140 | { |
43f3e411 | 141 | struct compunit_symtab *last_made = objfile->compunit_symtabs; |
f8eba3c6 | 142 | |
9439a077 TT |
143 | /* Shared psymtabs should never be seen here. Instead they should |
144 | be handled properly by the caller. */ | |
145 | gdb_assert (pst->user == NULL); | |
146 | ||
f8eba3c6 TT |
147 | /* Don't visit already-expanded psymtabs. */ |
148 | if (pst->readin) | |
149 | return 0; | |
150 | ||
151 | /* This may expand more than one symtab, and we want to iterate over | |
152 | all of them. */ | |
5c80ed9d | 153 | psymtab_to_symtab (objfile, pst); |
f8eba3c6 | 154 | |
14bc53a8 PA |
155 | return iterate_over_some_symtabs (name, real_path, objfile->compunit_symtabs, |
156 | last_made, callback); | |
f8eba3c6 TT |
157 | } |
158 | ||
83827540 DE |
159 | /* Psymtab version of map_symtabs_matching_filename. See its definition in |
160 | the definition of quick_symbol_functions in symfile.h. */ | |
f8eba3c6 | 161 | |
14bc53a8 PA |
162 | static bool |
163 | psym_map_symtabs_matching_filename | |
164 | (struct objfile *objfile, | |
165 | const char *name, | |
166 | const char *real_path, | |
167 | gdb::function_view<bool (symtab *)> callback) | |
ccefe4c4 | 168 | { |
c011a4f4 | 169 | const char *name_basename = lbasename (name); |
ccefe4c4 | 170 | |
b22a7c6a TT |
171 | for (partial_symtab *pst : require_partial_symbols (objfile, 1)) |
172 | { | |
173 | /* We can skip shared psymtabs here, because any file name will be | |
174 | attached to the unshared psymtab. */ | |
175 | if (pst->user != NULL) | |
176 | continue; | |
b4c41fc7 | 177 | |
b22a7c6a TT |
178 | /* Anonymous psymtabs don't have a file name. */ |
179 | if (pst->anonymous) | |
288e77a7 | 180 | continue; |
ccefe4c4 | 181 | |
b22a7c6a TT |
182 | if (compare_filenames_for_search (pst->filename, name)) |
183 | { | |
184 | if (partial_map_expand_apply (objfile, name, real_path, | |
185 | pst, callback)) | |
186 | return true; | |
187 | continue; | |
188 | } | |
c011a4f4 | 189 | |
b22a7c6a TT |
190 | /* Before we invoke realpath, which can get expensive when many |
191 | files are involved, do a quick comparison of the basenames. */ | |
192 | if (! basenames_may_differ | |
193 | && FILENAME_CMP (name_basename, lbasename (pst->filename)) != 0) | |
288e77a7 | 194 | continue; |
05cba821 | 195 | |
b22a7c6a TT |
196 | if (compare_filenames_for_search (psymtab_to_fullname (pst), name)) |
197 | { | |
198 | if (partial_map_expand_apply (objfile, name, real_path, | |
199 | pst, callback)) | |
200 | return true; | |
201 | continue; | |
202 | } | |
203 | ||
204 | /* If the user gave us an absolute path, try to find the file in | |
205 | this symtab and use its absolute path. */ | |
206 | if (real_path != NULL) | |
207 | { | |
208 | gdb_assert (IS_ABSOLUTE_PATH (real_path)); | |
209 | gdb_assert (IS_ABSOLUTE_PATH (name)); | |
210 | if (filename_cmp (psymtab_to_fullname (pst), real_path) == 0) | |
211 | { | |
212 | if (partial_map_expand_apply (objfile, name, real_path, | |
213 | pst, callback)) | |
214 | return true; | |
215 | continue; | |
216 | } | |
217 | } | |
218 | } | |
ccefe4c4 | 219 | |
14bc53a8 | 220 | return false; |
ccefe4c4 TT |
221 | } |
222 | ||
223 | /* Find which partial symtab contains PC and SECTION starting at psymtab PST. | |
224 | We may find a different psymtab than PST. See FIND_PC_SECT_PSYMTAB. */ | |
225 | ||
226 | static struct partial_symtab * | |
5c80ed9d TT |
227 | find_pc_sect_psymtab_closer (struct objfile *objfile, |
228 | CORE_ADDR pc, struct obj_section *section, | |
ccefe4c4 | 229 | struct partial_symtab *pst, |
77e371c0 | 230 | struct bound_minimal_symbol msymbol) |
ccefe4c4 | 231 | { |
ccefe4c4 TT |
232 | struct partial_symtab *tpst; |
233 | struct partial_symtab *best_pst = pst; | |
79748972 | 234 | CORE_ADDR best_addr = pst->text_low (objfile); |
ccefe4c4 | 235 | |
9750bca9 JK |
236 | gdb_assert (!pst->psymtabs_addrmap_supported); |
237 | ||
ccefe4c4 TT |
238 | /* An objfile that has its functions reordered might have |
239 | many partial symbol tables containing the PC, but | |
240 | we want the partial symbol table that contains the | |
241 | function containing the PC. */ | |
95cf5869 DE |
242 | if (!(objfile->flags & OBJF_REORDERED) |
243 | && section == NULL) /* Can't validate section this way. */ | |
ccefe4c4 TT |
244 | return pst; |
245 | ||
77e371c0 | 246 | if (msymbol.minsym == NULL) |
95cf5869 | 247 | return pst; |
ccefe4c4 TT |
248 | |
249 | /* The code range of partial symtabs sometimes overlap, so, in | |
250 | the loop below, we need to check all partial symtabs and | |
0df8b418 | 251 | find the one that fits better for the given PC address. We |
ccefe4c4 TT |
252 | select the partial symtab that contains a symbol whose |
253 | address is closest to the PC address. By closest we mean | |
254 | that find_pc_sect_symbol returns the symbol with address | |
255 | that is closest and still less than the given PC. */ | |
256 | for (tpst = pst; tpst != NULL; tpst = tpst->next) | |
257 | { | |
79748972 | 258 | if (pc >= tpst->text_low (objfile) && pc < tpst->text_high (objfile)) |
ccefe4c4 TT |
259 | { |
260 | struct partial_symbol *p; | |
261 | CORE_ADDR this_addr; | |
262 | ||
263 | /* NOTE: This assumes that every psymbol has a | |
264 | corresponding msymbol, which is not necessarily | |
265 | true; the debug info might be much richer than the | |
266 | object's symbol table. */ | |
5c80ed9d | 267 | p = find_pc_sect_psymbol (objfile, tpst, pc, section); |
ccefe4c4 | 268 | if (p != NULL |
02e9e7f7 | 269 | && (p->address (objfile) == 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) | |
02e9e7f7 | 277 | this_addr = p->address (objfile); |
ccefe4c4 | 278 | else |
79748972 | 279 | this_addr = tpst->text_low (objfile); |
ccefe4c4 TT |
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 | 310 | { |
79748972 TT |
311 | CORE_ADDR baseaddr = ANOFFSET (objfile->section_offsets, |
312 | SECT_OFF_TEXT (objfile)); | |
ccefe4c4 TT |
313 | |
314 | /* Try just the PSYMTABS_ADDRMAP mapping first as it has better granularity | |
315 | than the later used TEXTLOW/TEXTHIGH one. */ | |
316 | ||
d320c2b5 | 317 | if (objfile->partial_symtabs->psymtabs_addrmap != NULL) |
ccefe4c4 | 318 | { |
b22a7c6a TT |
319 | struct partial_symtab *pst |
320 | = ((struct partial_symtab *) | |
d320c2b5 TT |
321 | addrmap_find (objfile->partial_symtabs->psymtabs_addrmap, |
322 | pc - baseaddr)); | |
ccefe4c4 TT |
323 | if (pst != NULL) |
324 | { | |
325 | /* FIXME: addrmaps currently do not handle overlayed sections, | |
326 | so fall back to the non-addrmap case if we're debugging | |
327 | overlays and the addrmap returned the wrong section. */ | |
95cf5869 | 328 | if (overlay_debugging && msymbol.minsym != NULL && section != NULL) |
ccefe4c4 TT |
329 | { |
330 | struct partial_symbol *p; | |
ad3bbd48 | 331 | |
ccefe4c4 TT |
332 | /* NOTE: This assumes that every psymbol has a |
333 | corresponding msymbol, which is not necessarily | |
334 | true; the debug info might be much richer than the | |
335 | object's symbol table. */ | |
5c80ed9d | 336 | p = find_pc_sect_psymbol (objfile, pst, pc, section); |
95cf5869 | 337 | if (p == NULL |
02e9e7f7 TT |
338 | || (p->address (objfile) |
339 | != BMSYMBOL_VALUE_ADDRESS (msymbol))) | |
ccefe4c4 TT |
340 | goto next; |
341 | } | |
342 | ||
343 | /* We do not try to call FIND_PC_SECT_PSYMTAB_CLOSER as | |
344 | PSYMTABS_ADDRMAP we used has already the best 1-byte | |
345 | granularity and FIND_PC_SECT_PSYMTAB_CLOSER may mislead us into | |
346 | a worse chosen section due to the TEXTLOW/TEXTHIGH ranges | |
347 | overlap. */ | |
348 | ||
349 | return pst; | |
350 | } | |
351 | } | |
352 | ||
353 | next: | |
354 | ||
355 | /* Existing PSYMTABS_ADDRMAP mapping is present even for PARTIAL_SYMTABs | |
356 | which still have no corresponding full SYMTABs read. But it is not | |
357 | present for non-DWARF2 debug infos not supporting PSYMTABS_ADDRMAP in GDB | |
358 | so far. */ | |
359 | ||
360 | /* Check even OBJFILE with non-zero PSYMTABS_ADDRMAP as only several of | |
361 | its CUs may be missing in PSYMTABS_ADDRMAP as they may be varying | |
362 | debug info type in single OBJFILE. */ | |
363 | ||
b22a7c6a | 364 | for (partial_symtab *pst : require_partial_symbols (objfile, 1)) |
9750bca9 | 365 | if (!pst->psymtabs_addrmap_supported |
79748972 | 366 | && pc >= pst->text_low (objfile) && pc < pst->text_high (objfile)) |
ccefe4c4 TT |
367 | { |
368 | struct partial_symtab *best_pst; | |
369 | ||
5c80ed9d TT |
370 | best_pst = find_pc_sect_psymtab_closer (objfile, pc, section, pst, |
371 | msymbol); | |
ccefe4c4 TT |
372 | if (best_pst != NULL) |
373 | return best_pst; | |
374 | } | |
375 | ||
376 | return NULL; | |
377 | } | |
378 | ||
95cf5869 DE |
379 | /* Psymtab version of find_pc_sect_compunit_symtab. See its definition in |
380 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 381 | |
43f3e411 | 382 | static struct compunit_symtab * |
83827540 DE |
383 | psym_find_pc_sect_compunit_symtab (struct objfile *objfile, |
384 | struct bound_minimal_symbol msymbol, | |
385 | CORE_ADDR pc, | |
386 | struct obj_section *section, | |
387 | int warn_if_readin) | |
ccefe4c4 TT |
388 | { |
389 | struct partial_symtab *ps = find_pc_sect_psymtab (objfile, pc, section, | |
390 | msymbol); | |
95cf5869 | 391 | if (ps != NULL) |
ccefe4c4 TT |
392 | { |
393 | if (warn_if_readin && ps->readin) | |
394 | /* Might want to error() here (in case symtab is corrupt and | |
395 | will cause a core dump), but maybe we can successfully | |
396 | continue, so let's not. */ | |
397 | warning (_("\ | |
398 | (Internal error: pc %s in read in psymtab, but not in symtab.)\n"), | |
5c80ed9d TT |
399 | paddress (get_objfile_arch (objfile), pc)); |
400 | psymtab_to_symtab (objfile, ps); | |
43f3e411 | 401 | return ps->compunit_symtab; |
ccefe4c4 TT |
402 | } |
403 | return NULL; | |
404 | } | |
405 | ||
406 | /* Find which partial symbol within a psymtab matches PC and SECTION. | |
95cf5869 | 407 | Return NULL if none. */ |
ccefe4c4 TT |
408 | |
409 | static struct partial_symbol * | |
5c80ed9d TT |
410 | find_pc_sect_psymbol (struct objfile *objfile, |
411 | struct partial_symtab *psymtab, CORE_ADDR pc, | |
ccefe4c4 TT |
412 | struct obj_section *section) |
413 | { | |
af5bf4ad | 414 | struct partial_symbol *best = NULL; |
ccefe4c4 | 415 | CORE_ADDR best_pc; |
79748972 | 416 | const CORE_ADDR textlow = psymtab->text_low (objfile); |
ccefe4c4 TT |
417 | |
418 | gdb_assert (psymtab != NULL); | |
419 | ||
0df8b418 | 420 | /* Cope with programs that start at address 0. */ |
79748972 | 421 | best_pc = (textlow != 0) ? textlow - 1 : 0; |
ccefe4c4 TT |
422 | |
423 | /* Search the global symbols as well as the static symbols, so that | |
424 | find_pc_partial_function doesn't use a minimal symbol and thus | |
425 | cache a bad endaddr. */ | |
af5bf4ad | 426 | for (int i = 0; i < psymtab->n_global_syms; i++) |
ccefe4c4 | 427 | { |
d320c2b5 TT |
428 | partial_symbol *p |
429 | = objfile->partial_symtabs->global_psymbols[psymtab->globals_offset | |
430 | + i]; | |
af5bf4ad | 431 | |
8a6d4234 TT |
432 | if (p->domain == VAR_DOMAIN |
433 | && p->aclass == LOC_BLOCK | |
02e9e7f7 TT |
434 | && pc >= p->address (objfile) |
435 | && (p->address (objfile) > best_pc | |
79748972 | 436 | || (psymtab->text_low (objfile) == 0 |
02e9e7f7 | 437 | && best_pc == 0 && p->address (objfile) == 0))) |
ccefe4c4 | 438 | { |
95cf5869 | 439 | if (section != NULL) /* Match on a specific section. */ |
ccefe4c4 | 440 | { |
8a6d4234 | 441 | if (!matching_obj_sections (p->obj_section (objfile), |
e27d198c | 442 | section)) |
ccefe4c4 TT |
443 | continue; |
444 | } | |
02e9e7f7 | 445 | best_pc = p->address (objfile); |
ccefe4c4 TT |
446 | best = p; |
447 | } | |
448 | } | |
449 | ||
af5bf4ad | 450 | for (int i = 0; i < psymtab->n_static_syms; i++) |
ccefe4c4 | 451 | { |
d320c2b5 TT |
452 | partial_symbol *p |
453 | = objfile->partial_symtabs->static_psymbols[psymtab->statics_offset | |
454 | + i]; | |
af5bf4ad | 455 | |
8a6d4234 TT |
456 | if (p->domain == VAR_DOMAIN |
457 | && p->aclass == LOC_BLOCK | |
02e9e7f7 TT |
458 | && pc >= p->address (objfile) |
459 | && (p->address (objfile) > best_pc | |
79748972 | 460 | || (psymtab->text_low (objfile) == 0 |
02e9e7f7 | 461 | && best_pc == 0 && p->address (objfile) == 0))) |
ccefe4c4 | 462 | { |
95cf5869 | 463 | if (section != NULL) /* Match on a specific section. */ |
ccefe4c4 | 464 | { |
8a6d4234 | 465 | if (!matching_obj_sections (p->obj_section (objfile), |
e27d198c | 466 | section)) |
ccefe4c4 TT |
467 | continue; |
468 | } | |
02e9e7f7 | 469 | best_pc = p->address (objfile); |
ccefe4c4 TT |
470 | best = p; |
471 | } | |
472 | } | |
473 | ||
474 | return best; | |
475 | } | |
476 | ||
95cf5869 DE |
477 | /* Psymtab version of lookup_symbol. See its definition in |
478 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 479 | |
43f3e411 | 480 | static struct compunit_symtab * |
83827540 DE |
481 | psym_lookup_symbol (struct objfile *objfile, |
482 | int block_index, const char *name, | |
483 | const domain_enum domain) | |
ccefe4c4 | 484 | { |
ccefe4c4 | 485 | const int psymtab_index = (block_index == GLOBAL_BLOCK ? 1 : 0); |
43f3e411 | 486 | struct compunit_symtab *stab_best = NULL; |
ccefe4c4 | 487 | |
b5ec771e PA |
488 | lookup_name_info lookup_name (name, symbol_name_match_type::FULL); |
489 | ||
b22a7c6a TT |
490 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
491 | { | |
492 | if (!ps->readin && lookup_partial_symbol (objfile, ps, name, | |
493 | psymtab_index, domain)) | |
494 | { | |
495 | struct symbol *sym, *with_opaque = NULL; | |
496 | struct compunit_symtab *stab = psymtab_to_symtab (objfile, ps); | |
497 | /* Note: While psymtab_to_symtab can return NULL if the | |
498 | partial symtab is empty, we can assume it won't here | |
499 | because lookup_partial_symbol succeeded. */ | |
500 | const struct blockvector *bv = COMPUNIT_BLOCKVECTOR (stab); | |
582942f4 | 501 | const struct block *block = BLOCKVECTOR_BLOCK (bv, block_index); |
b22a7c6a TT |
502 | |
503 | sym = block_find_symbol (block, name, domain, | |
504 | block_find_non_opaque_type_preferred, | |
505 | &with_opaque); | |
506 | ||
507 | /* Some caution must be observed with overloaded functions | |
508 | and methods, since the index will not contain any overload | |
509 | information (but NAME might contain it). */ | |
510 | ||
511 | if (sym != NULL | |
512 | && SYMBOL_MATCHES_SEARCH_NAME (sym, lookup_name)) | |
513 | return stab; | |
514 | if (with_opaque != NULL | |
515 | && SYMBOL_MATCHES_SEARCH_NAME (with_opaque, lookup_name)) | |
516 | stab_best = stab; | |
517 | ||
518 | /* Keep looking through other psymtabs. */ | |
519 | } | |
520 | } | |
ccefe4c4 | 521 | |
bfb05775 | 522 | return stab_best; |
ccefe4c4 TT |
523 | } |
524 | ||
b5ec771e PA |
525 | /* Returns true if PSYM matches LOOKUP_NAME. */ |
526 | ||
527 | static bool | |
528 | psymbol_name_matches (partial_symbol *psym, | |
529 | const lookup_name_info &lookup_name) | |
530 | { | |
8a6d4234 | 531 | const language_defn *lang = language_def (psym->language); |
b5ec771e | 532 | symbol_name_matcher_ftype *name_match |
618daa93 | 533 | = get_symbol_name_matcher (lang, lookup_name); |
8a6d4234 | 534 | return name_match (symbol_search_name (psym), lookup_name, NULL); |
b5ec771e PA |
535 | } |
536 | ||
40658b94 PH |
537 | /* Look in PST for a symbol in DOMAIN whose name matches NAME. Search |
538 | the global block of PST if GLOBAL, and otherwise the static block. | |
539 | MATCH is the comparison operation that returns true iff MATCH (s, | |
540 | NAME), where s is a SYMBOL_SEARCH_NAME. If ORDERED_COMPARE is | |
541 | non-null, the symbols in the block are assumed to be ordered | |
542 | according to it (allowing binary search). It must be compatible | |
543 | with MATCH. Returns the symbol, if found, and otherwise NULL. */ | |
544 | ||
545 | static struct partial_symbol * | |
5c80ed9d TT |
546 | match_partial_symbol (struct objfile *objfile, |
547 | struct partial_symtab *pst, int global, | |
40658b94 | 548 | const char *name, domain_enum domain, |
b5ec771e | 549 | symbol_name_match_type match_type, |
2edb89d3 | 550 | symbol_compare_ftype *ordered_compare) |
40658b94 PH |
551 | { |
552 | struct partial_symbol **start, **psym; | |
553 | struct partial_symbol **top, **real_top, **bottom, **center; | |
554 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
555 | int do_linear_search = 1; | |
556 | ||
557 | if (length == 0) | |
b5ec771e PA |
558 | return NULL; |
559 | ||
560 | lookup_name_info lookup_name (name, match_type); | |
561 | ||
40658b94 | 562 | start = (global ? |
d320c2b5 TT |
563 | &objfile->partial_symtabs->global_psymbols[pst->globals_offset] : |
564 | &objfile->partial_symtabs->static_psymbols[pst->statics_offset]); | |
40658b94 PH |
565 | |
566 | if (global && ordered_compare) /* Can use a binary search. */ | |
567 | { | |
568 | do_linear_search = 0; | |
569 | ||
570 | /* Binary search. This search is guaranteed to end with center | |
571 | pointing at the earliest partial symbol whose name might be | |
572 | correct. At that point *all* partial symbols with an | |
573 | appropriate name will be checked against the correct | |
574 | domain. */ | |
575 | ||
576 | bottom = start; | |
577 | top = start + length - 1; | |
578 | real_top = top; | |
579 | while (top > bottom) | |
580 | { | |
581 | center = bottom + (top - bottom) / 2; | |
582 | gdb_assert (center < top); | |
b5ec771e | 583 | |
8a6d4234 | 584 | enum language lang = (*center)->language; |
b5ec771e PA |
585 | const char *lang_ln |
586 | = lookup_name.language_lookup_name (lang).c_str (); | |
587 | ||
8a6d4234 | 588 | if (ordered_compare (symbol_search_name (*center), lang_ln) >= 0) |
40658b94 PH |
589 | top = center; |
590 | else | |
591 | bottom = center + 1; | |
592 | } | |
593 | gdb_assert (top == bottom); | |
594 | ||
595 | while (top <= real_top | |
b5ec771e | 596 | && psymbol_name_matches (*top, lookup_name)) |
40658b94 | 597 | { |
8a6d4234 TT |
598 | if (symbol_matches_domain ((*top)->language, |
599 | (*top)->domain, domain)) | |
40658b94 PH |
600 | return *top; |
601 | top++; | |
602 | } | |
603 | } | |
604 | ||
605 | /* Can't use a binary search or else we found during the binary search that | |
606 | we should also do a linear search. */ | |
607 | ||
608 | if (do_linear_search) | |
609 | { | |
610 | for (psym = start; psym < start + length; psym++) | |
611 | { | |
8a6d4234 TT |
612 | if (symbol_matches_domain ((*psym)->language, |
613 | (*psym)->domain, domain) | |
b5ec771e | 614 | && psymbol_name_matches (*psym, lookup_name)) |
40658b94 PH |
615 | return *psym; |
616 | } | |
617 | } | |
618 | ||
619 | return NULL; | |
620 | } | |
621 | ||
c00f8484 KS |
622 | /* Returns the name used to search psymtabs. Unlike symtabs, psymtabs do |
623 | not contain any method/function instance information (since this would | |
624 | force reading type information while reading psymtabs). Therefore, | |
625 | if NAME contains overload information, it must be stripped before searching | |
109483d9 | 626 | psymtabs. */ |
c00f8484 | 627 | |
56f37645 | 628 | static gdb::unique_xmalloc_ptr<char> |
c00f8484 KS |
629 | psymtab_search_name (const char *name) |
630 | { | |
631 | switch (current_language->la_language) | |
632 | { | |
633 | case language_cplus: | |
c00f8484 | 634 | { |
b2a919a8 DE |
635 | if (strchr (name, '(')) |
636 | { | |
109483d9 | 637 | gdb::unique_xmalloc_ptr<char> ret = cp_remove_params (name); |
c00f8484 | 638 | |
b2a919a8 | 639 | if (ret) |
109483d9 | 640 | return ret; |
b2a919a8 | 641 | } |
c00f8484 KS |
642 | } |
643 | break; | |
644 | ||
645 | default: | |
646 | break; | |
647 | } | |
648 | ||
56f37645 | 649 | return gdb::unique_xmalloc_ptr<char> (xstrdup (name)); |
c00f8484 KS |
650 | } |
651 | ||
ccefe4c4 | 652 | /* Look, in partial_symtab PST, for symbol whose natural name is NAME. |
40658b94 | 653 | Check the global symbols if GLOBAL, the static symbols if not. */ |
ccefe4c4 | 654 | |
18430289 | 655 | static struct partial_symbol * |
5c80ed9d TT |
656 | lookup_partial_symbol (struct objfile *objfile, |
657 | struct partial_symtab *pst, const char *name, | |
ccefe4c4 TT |
658 | int global, domain_enum domain) |
659 | { | |
ccefe4c4 TT |
660 | struct partial_symbol **start, **psym; |
661 | struct partial_symbol **top, **real_top, **bottom, **center; | |
662 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
663 | int do_linear_search = 1; | |
664 | ||
665 | if (length == 0) | |
95cf5869 | 666 | return NULL; |
c00f8484 | 667 | |
56f37645 | 668 | gdb::unique_xmalloc_ptr<char> search_name = psymtab_search_name (name); |
b5ec771e PA |
669 | |
670 | lookup_name_info lookup_name (search_name.get (), symbol_name_match_type::FULL); | |
671 | ||
ccefe4c4 | 672 | start = (global ? |
d320c2b5 TT |
673 | &objfile->partial_symtabs->global_psymbols[pst->globals_offset] : |
674 | &objfile->partial_symtabs->static_psymbols[pst->statics_offset]); | |
ccefe4c4 | 675 | |
0df8b418 | 676 | if (global) /* This means we can use a binary search. */ |
ccefe4c4 TT |
677 | { |
678 | do_linear_search = 0; | |
679 | ||
680 | /* Binary search. This search is guaranteed to end with center | |
681 | pointing at the earliest partial symbol whose name might be | |
682 | correct. At that point *all* partial symbols with an | |
683 | appropriate name will be checked against the correct | |
684 | domain. */ | |
685 | ||
686 | bottom = start; | |
687 | top = start + length - 1; | |
688 | real_top = top; | |
689 | while (top > bottom) | |
690 | { | |
691 | center = bottom + (top - bottom) / 2; | |
692 | if (!(center < top)) | |
3e43a32a MS |
693 | internal_error (__FILE__, __LINE__, |
694 | _("failed internal consistency check")); | |
8a6d4234 | 695 | if (strcmp_iw_ordered (symbol_search_name (*center), |
56f37645 | 696 | search_name.get ()) >= 0) |
ccefe4c4 TT |
697 | { |
698 | top = center; | |
699 | } | |
700 | else | |
701 | { | |
702 | bottom = center + 1; | |
703 | } | |
704 | } | |
705 | if (!(top == bottom)) | |
3e43a32a MS |
706 | internal_error (__FILE__, __LINE__, |
707 | _("failed internal consistency check")); | |
ccefe4c4 | 708 | |
559a7a62 JK |
709 | /* For `case_sensitivity == case_sensitive_off' strcmp_iw_ordered will |
710 | search more exactly than what matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
8a6d4234 | 711 | while (top >= start && symbol_matches_search_name (*top, lookup_name)) |
559a7a62 JK |
712 | top--; |
713 | ||
714 | /* Fixup to have a symbol which matches SYMBOL_MATCHES_SEARCH_NAME. */ | |
715 | top++; | |
716 | ||
8a6d4234 | 717 | while (top <= real_top && symbol_matches_search_name (*top, lookup_name)) |
ccefe4c4 | 718 | { |
8a6d4234 TT |
719 | if (symbol_matches_domain ((*top)->language, |
720 | (*top)->domain, domain)) | |
56f37645 | 721 | return *top; |
ccefe4c4 TT |
722 | top++; |
723 | } | |
724 | } | |
725 | ||
726 | /* Can't use a binary search or else we found during the binary search that | |
40658b94 | 727 | we should also do a linear search. */ |
ccefe4c4 TT |
728 | |
729 | if (do_linear_search) | |
730 | { | |
731 | for (psym = start; psym < start + length; psym++) | |
732 | { | |
8a6d4234 TT |
733 | if (symbol_matches_domain ((*psym)->language, |
734 | (*psym)->domain, domain) | |
735 | && symbol_matches_search_name (*psym, lookup_name)) | |
56f37645 | 736 | return *psym; |
ccefe4c4 TT |
737 | } |
738 | } | |
739 | ||
95cf5869 | 740 | return NULL; |
ccefe4c4 TT |
741 | } |
742 | ||
743 | /* Get the symbol table that corresponds to a partial_symtab. | |
f194fefb DE |
744 | This is fast after the first time you do it. |
745 | The result will be NULL if the primary symtab has no symbols, | |
746 | which can happen. Otherwise the result is the primary symtab | |
747 | that contains PST. */ | |
ccefe4c4 | 748 | |
43f3e411 | 749 | static struct compunit_symtab * |
5c80ed9d | 750 | psymtab_to_symtab (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 751 | { |
9439a077 TT |
752 | /* If it is a shared psymtab, find an unshared psymtab that includes |
753 | it. Any such psymtab will do. */ | |
754 | while (pst->user != NULL) | |
755 | pst = pst->user; | |
756 | ||
0df8b418 | 757 | /* If it's been looked up before, return it. */ |
43f3e411 DE |
758 | if (pst->compunit_symtab) |
759 | return pst->compunit_symtab; | |
ccefe4c4 TT |
760 | |
761 | /* If it has not yet been read in, read it. */ | |
762 | if (!pst->readin) | |
763 | { | |
c83dd867 | 764 | scoped_restore decrementer = increment_reading_symtab (); |
ad3bbd48 | 765 | |
257e7a09 | 766 | (*pst->read_symtab) (pst, objfile); |
ccefe4c4 TT |
767 | } |
768 | ||
43f3e411 | 769 | return pst->compunit_symtab; |
ccefe4c4 TT |
770 | } |
771 | ||
95cf5869 DE |
772 | /* Psymtab version of find_last_source_symtab. See its definition in |
773 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 774 | |
ccefe4c4 | 775 | static struct symtab * |
83827540 | 776 | psym_find_last_source_symtab (struct objfile *ofp) |
ccefe4c4 | 777 | { |
95cf5869 | 778 | struct partial_symtab *cs_pst = NULL; |
ccefe4c4 | 779 | |
b22a7c6a | 780 | for (partial_symtab *ps : require_partial_symbols (ofp, 1)) |
ccefe4c4 TT |
781 | { |
782 | const char *name = ps->filename; | |
783 | int len = strlen (name); | |
ad3bbd48 | 784 | |
ccefe4c4 TT |
785 | if (!(len > 2 && (strcmp (&name[len - 2], ".h") == 0 |
786 | || strcmp (name, "<<C++-namespaces>>") == 0))) | |
787 | cs_pst = ps; | |
788 | } | |
789 | ||
790 | if (cs_pst) | |
791 | { | |
792 | if (cs_pst->readin) | |
793 | { | |
794 | internal_error (__FILE__, __LINE__, | |
795 | _("select_source_symtab: " | |
796 | "readin pst found and no symtabs.")); | |
797 | } | |
798 | else | |
43f3e411 DE |
799 | { |
800 | struct compunit_symtab *cust = psymtab_to_symtab (ofp, cs_pst); | |
801 | ||
802 | if (cust == NULL) | |
803 | return NULL; | |
804 | return compunit_primary_filetab (cust); | |
805 | } | |
ccefe4c4 TT |
806 | } |
807 | return NULL; | |
808 | } | |
809 | ||
95cf5869 DE |
810 | /* Psymtab version of forget_cached_source_info. See its definition in |
811 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 812 | |
ccefe4c4 | 813 | static void |
83827540 | 814 | psym_forget_cached_source_info (struct objfile *objfile) |
ccefe4c4 | 815 | { |
b22a7c6a | 816 | for (partial_symtab *pst : require_partial_symbols (objfile, 1)) |
ccefe4c4 TT |
817 | { |
818 | if (pst->fullname != NULL) | |
819 | { | |
820 | xfree (pst->fullname); | |
821 | pst->fullname = NULL; | |
822 | } | |
823 | } | |
824 | } | |
825 | ||
826 | static void | |
02e9e7f7 | 827 | print_partial_symbols (struct gdbarch *gdbarch, struct objfile *objfile, |
a121b7c1 | 828 | struct partial_symbol **p, int count, const char *what, |
ccefe4c4 TT |
829 | struct ui_file *outfile) |
830 | { | |
831 | fprintf_filtered (outfile, " %s partial symbols:\n", what); | |
832 | while (count-- > 0) | |
833 | { | |
27618ce4 | 834 | QUIT; |
8a6d4234 TT |
835 | fprintf_filtered (outfile, " `%s'", (*p)->name); |
836 | if (symbol_demangled_name (*p) != NULL) | |
ccefe4c4 | 837 | { |
8a6d4234 | 838 | fprintf_filtered (outfile, " `%s'", symbol_demangled_name (*p)); |
ccefe4c4 TT |
839 | } |
840 | fputs_filtered (", ", outfile); | |
8a6d4234 | 841 | switch ((*p)->domain) |
ccefe4c4 TT |
842 | { |
843 | case UNDEF_DOMAIN: | |
844 | fputs_filtered ("undefined domain, ", outfile); | |
845 | break; | |
846 | case VAR_DOMAIN: | |
0df8b418 | 847 | /* This is the usual thing -- don't print it. */ |
ccefe4c4 TT |
848 | break; |
849 | case STRUCT_DOMAIN: | |
850 | fputs_filtered ("struct domain, ", outfile); | |
851 | break; | |
852 | case LABEL_DOMAIN: | |
853 | fputs_filtered ("label domain, ", outfile); | |
854 | break; | |
855 | default: | |
856 | fputs_filtered ("<invalid domain>, ", outfile); | |
857 | break; | |
858 | } | |
8a6d4234 | 859 | switch ((*p)->aclass) |
ccefe4c4 TT |
860 | { |
861 | case LOC_UNDEF: | |
862 | fputs_filtered ("undefined", outfile); | |
863 | break; | |
864 | case LOC_CONST: | |
865 | fputs_filtered ("constant int", outfile); | |
866 | break; | |
867 | case LOC_STATIC: | |
868 | fputs_filtered ("static", outfile); | |
869 | break; | |
870 | case LOC_REGISTER: | |
871 | fputs_filtered ("register", outfile); | |
872 | break; | |
873 | case LOC_ARG: | |
874 | fputs_filtered ("pass by value", outfile); | |
875 | break; | |
876 | case LOC_REF_ARG: | |
877 | fputs_filtered ("pass by reference", outfile); | |
878 | break; | |
879 | case LOC_REGPARM_ADDR: | |
880 | fputs_filtered ("register address parameter", outfile); | |
881 | break; | |
882 | case LOC_LOCAL: | |
883 | fputs_filtered ("stack parameter", outfile); | |
884 | break; | |
885 | case LOC_TYPEDEF: | |
886 | fputs_filtered ("type", outfile); | |
887 | break; | |
888 | case LOC_LABEL: | |
889 | fputs_filtered ("label", outfile); | |
890 | break; | |
891 | case LOC_BLOCK: | |
892 | fputs_filtered ("function", outfile); | |
893 | break; | |
894 | case LOC_CONST_BYTES: | |
895 | fputs_filtered ("constant bytes", outfile); | |
896 | break; | |
897 | case LOC_UNRESOLVED: | |
898 | fputs_filtered ("unresolved", outfile); | |
899 | break; | |
900 | case LOC_OPTIMIZED_OUT: | |
901 | fputs_filtered ("optimized out", outfile); | |
902 | break; | |
903 | case LOC_COMPUTED: | |
904 | fputs_filtered ("computed at runtime", outfile); | |
905 | break; | |
906 | default: | |
907 | fputs_filtered ("<invalid location>", outfile); | |
908 | break; | |
909 | } | |
910 | fputs_filtered (", ", outfile); | |
02e9e7f7 | 911 | fputs_filtered (paddress (gdbarch, (*p)->unrelocated_address ()), outfile); |
ccefe4c4 TT |
912 | fprintf_filtered (outfile, "\n"); |
913 | p++; | |
914 | } | |
915 | } | |
916 | ||
917 | static void | |
918 | dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab, | |
919 | struct ui_file *outfile) | |
920 | { | |
921 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
922 | int i; | |
923 | ||
b4c41fc7 DE |
924 | if (psymtab->anonymous) |
925 | { | |
926 | fprintf_filtered (outfile, "\nAnonymous partial symtab (%s) ", | |
927 | psymtab->filename); | |
928 | } | |
929 | else | |
930 | { | |
931 | fprintf_filtered (outfile, "\nPartial symtab for source file %s ", | |
932 | psymtab->filename); | |
933 | } | |
ccefe4c4 TT |
934 | fprintf_filtered (outfile, "(object "); |
935 | gdb_print_host_address (psymtab, outfile); | |
936 | fprintf_filtered (outfile, ")\n\n"); | |
22068491 TT |
937 | fprintf_filtered (outfile, " Read from object file %s (", |
938 | objfile_name (objfile)); | |
ccefe4c4 | 939 | gdb_print_host_address (objfile, outfile); |
22068491 | 940 | fprintf_filtered (outfile, ")\n"); |
ccefe4c4 TT |
941 | |
942 | if (psymtab->readin) | |
943 | { | |
944 | fprintf_filtered (outfile, | |
945 | " Full symtab was read (at "); | |
43f3e411 | 946 | gdb_print_host_address (psymtab->compunit_symtab, outfile); |
ccefe4c4 TT |
947 | fprintf_filtered (outfile, " by function at "); |
948 | gdb_print_host_address (psymtab->read_symtab, outfile); | |
949 | fprintf_filtered (outfile, ")\n"); | |
950 | } | |
951 | ||
ccefe4c4 | 952 | fprintf_filtered (outfile, " Symbols cover text addresses "); |
79748972 | 953 | fputs_filtered (paddress (gdbarch, psymtab->text_low (objfile)), outfile); |
ccefe4c4 | 954 | fprintf_filtered (outfile, "-"); |
79748972 | 955 | fputs_filtered (paddress (gdbarch, psymtab->text_high (objfile)), outfile); |
ccefe4c4 | 956 | fprintf_filtered (outfile, "\n"); |
9750bca9 JK |
957 | fprintf_filtered (outfile, " Address map supported - %s.\n", |
958 | psymtab->psymtabs_addrmap_supported ? "yes" : "no"); | |
ccefe4c4 TT |
959 | fprintf_filtered (outfile, " Depends on %d other partial symtabs.\n", |
960 | psymtab->number_of_dependencies); | |
961 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
962 | { | |
963 | fprintf_filtered (outfile, " %d ", i); | |
964 | gdb_print_host_address (psymtab->dependencies[i], outfile); | |
965 | fprintf_filtered (outfile, " %s\n", | |
966 | psymtab->dependencies[i]->filename); | |
967 | } | |
9439a077 TT |
968 | if (psymtab->user != NULL) |
969 | { | |
970 | fprintf_filtered (outfile, " Shared partial symtab with user "); | |
971 | gdb_print_host_address (psymtab->user, outfile); | |
972 | fprintf_filtered (outfile, "\n"); | |
973 | } | |
ccefe4c4 TT |
974 | if (psymtab->n_global_syms > 0) |
975 | { | |
d320c2b5 TT |
976 | print_partial_symbols |
977 | (gdbarch, objfile, | |
978 | &objfile->partial_symtabs->global_psymbols[psymtab->globals_offset], | |
979 | psymtab->n_global_syms, "Global", outfile); | |
ccefe4c4 TT |
980 | } |
981 | if (psymtab->n_static_syms > 0) | |
982 | { | |
d320c2b5 TT |
983 | print_partial_symbols |
984 | (gdbarch, objfile, | |
985 | &objfile->partial_symtabs->static_psymbols[psymtab->statics_offset], | |
986 | psymtab->n_static_syms, "Static", outfile); | |
ccefe4c4 TT |
987 | } |
988 | fprintf_filtered (outfile, "\n"); | |
989 | } | |
990 | ||
95cf5869 DE |
991 | /* Psymtab version of print_stats. See its definition in |
992 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 993 | |
ccefe4c4 | 994 | static void |
83827540 | 995 | psym_print_stats (struct objfile *objfile) |
ccefe4c4 TT |
996 | { |
997 | int i; | |
ad3bbd48 | 998 | |
ccefe4c4 | 999 | i = 0; |
b22a7c6a | 1000 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
ccefe4c4 TT |
1001 | { |
1002 | if (ps->readin == 0) | |
1003 | i++; | |
1004 | } | |
1005 | printf_filtered (_(" Number of psym tables (not yet expanded): %d\n"), i); | |
1006 | } | |
1007 | ||
95cf5869 DE |
1008 | /* Psymtab version of dump. See its definition in |
1009 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1010 | |
ccefe4c4 | 1011 | static void |
83827540 | 1012 | psym_dump (struct objfile *objfile) |
ccefe4c4 TT |
1013 | { |
1014 | struct partial_symtab *psymtab; | |
1015 | ||
d320c2b5 | 1016 | if (objfile->partial_symtabs->psymtabs) |
ccefe4c4 TT |
1017 | { |
1018 | printf_filtered ("Psymtabs:\n"); | |
d320c2b5 | 1019 | for (psymtab = objfile->partial_symtabs->psymtabs; |
ccefe4c4 TT |
1020 | psymtab != NULL; |
1021 | psymtab = psymtab->next) | |
1022 | { | |
1023 | printf_filtered ("%s at ", | |
1024 | psymtab->filename); | |
1025 | gdb_print_host_address (psymtab, gdb_stdout); | |
1026 | printf_filtered (", "); | |
ccefe4c4 TT |
1027 | wrap_here (" "); |
1028 | } | |
1029 | printf_filtered ("\n\n"); | |
1030 | } | |
1031 | } | |
1032 | ||
95cf5869 DE |
1033 | /* Psymtab version of expand_symtabs_for_function. See its definition in |
1034 | the definition of quick_symbol_functions in symfile.h. */ | |
ccefe4c4 TT |
1035 | |
1036 | static void | |
83827540 DE |
1037 | psym_expand_symtabs_for_function (struct objfile *objfile, |
1038 | const char *func_name) | |
ccefe4c4 | 1039 | { |
b22a7c6a TT |
1040 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
1041 | { | |
1042 | if (ps->readin) | |
1043 | continue; | |
ccefe4c4 | 1044 | |
b22a7c6a TT |
1045 | if ((lookup_partial_symbol (objfile, ps, func_name, 1, VAR_DOMAIN) |
1046 | != NULL) | |
1047 | || (lookup_partial_symbol (objfile, ps, func_name, 0, VAR_DOMAIN) | |
1048 | != NULL)) | |
1049 | psymtab_to_symtab (objfile, ps); | |
1050 | } | |
ccefe4c4 TT |
1051 | } |
1052 | ||
95cf5869 DE |
1053 | /* Psymtab version of expand_all_symtabs. See its definition in |
1054 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1055 | |
ccefe4c4 | 1056 | static void |
83827540 | 1057 | psym_expand_all_symtabs (struct objfile *objfile) |
ccefe4c4 | 1058 | { |
b22a7c6a TT |
1059 | for (partial_symtab *psymtab : require_partial_symbols (objfile, 1)) |
1060 | psymtab_to_symtab (objfile, psymtab); | |
ccefe4c4 TT |
1061 | } |
1062 | ||
95cf5869 DE |
1063 | /* Psymtab version of expand_symtabs_with_fullname. See its definition in |
1064 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1065 | |
ccefe4c4 | 1066 | static void |
83827540 DE |
1067 | psym_expand_symtabs_with_fullname (struct objfile *objfile, |
1068 | const char *fullname) | |
ccefe4c4 | 1069 | { |
b22a7c6a | 1070 | for (partial_symtab *p : require_partial_symbols (objfile, 1)) |
ccefe4c4 | 1071 | { |
b4c41fc7 DE |
1072 | /* Anonymous psymtabs don't have a name of a source file. */ |
1073 | if (p->anonymous) | |
1074 | continue; | |
1075 | ||
5ff888ce DE |
1076 | /* psymtab_to_fullname tries to open the file which is slow. |
1077 | Don't call it if we know the basenames don't match. */ | |
1078 | if ((basenames_may_differ | |
1079 | || filename_cmp (lbasename (fullname), lbasename (p->filename)) == 0) | |
1080 | && filename_cmp (fullname, psymtab_to_fullname (p)) == 0) | |
5c80ed9d | 1081 | psymtab_to_symtab (objfile, p); |
ccefe4c4 TT |
1082 | } |
1083 | } | |
1084 | ||
95cf5869 DE |
1085 | /* Psymtab version of map_symbol_filenames. See its definition in |
1086 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1087 | |
ccefe4c4 | 1088 | static void |
83827540 DE |
1089 | psym_map_symbol_filenames (struct objfile *objfile, |
1090 | symbol_filename_ftype *fun, void *data, | |
1091 | int need_fullname) | |
ccefe4c4 | 1092 | { |
b22a7c6a | 1093 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
ccefe4c4 TT |
1094 | { |
1095 | const char *fullname; | |
1096 | ||
1097 | if (ps->readin) | |
1098 | continue; | |
1099 | ||
f80c6f3f DE |
1100 | /* We can skip shared psymtabs here, because any file name will be |
1101 | attached to the unshared psymtab. */ | |
1102 | if (ps->user != NULL) | |
1103 | continue; | |
1104 | ||
b4c41fc7 DE |
1105 | /* Anonymous psymtabs don't have a file name. */ |
1106 | if (ps->anonymous) | |
1107 | continue; | |
1108 | ||
821296b7 | 1109 | QUIT; |
74e2f255 DE |
1110 | if (need_fullname) |
1111 | fullname = psymtab_to_fullname (ps); | |
1112 | else | |
1113 | fullname = NULL; | |
2837d59e | 1114 | (*fun) (ps->filename, fullname, data); |
ccefe4c4 TT |
1115 | } |
1116 | } | |
1117 | ||
ccefe4c4 TT |
1118 | /* Finds the fullname that a partial_symtab represents. |
1119 | ||
1120 | If this functions finds the fullname, it will save it in ps->fullname | |
1121 | and it will also return the value. | |
1122 | ||
1123 | If this function fails to find the file that this partial_symtab represents, | |
1124 | NULL will be returned and ps->fullname will be set to NULL. */ | |
256f06f3 | 1125 | |
da5132d3 | 1126 | static const char * |
ccefe4c4 TT |
1127 | psymtab_to_fullname (struct partial_symtab *ps) |
1128 | { | |
fbd9ab74 | 1129 | gdb_assert (!ps->anonymous); |
ccefe4c4 | 1130 | |
256f06f3 DE |
1131 | /* Use cached copy if we have it. |
1132 | We rely on forget_cached_source_info being called appropriately | |
1133 | to handle cases like the file being moved. */ | |
fbd9ab74 JK |
1134 | if (ps->fullname == NULL) |
1135 | { | |
e0cc99a6 | 1136 | gdb::unique_xmalloc_ptr<char> fullname; |
2179fbc3 TT |
1137 | scoped_fd fd = find_and_open_source (ps->filename, ps->dirname, |
1138 | &fullname); | |
e0cc99a6 | 1139 | ps->fullname = fullname.release (); |
256f06f3 | 1140 | |
2179fbc3 | 1141 | if (fd.get () < 0) |
fbd9ab74 | 1142 | { |
fbd9ab74 JK |
1143 | /* rewrite_source_path would be applied by find_and_open_source, we |
1144 | should report the pathname where GDB tried to find the file. */ | |
ccefe4c4 | 1145 | |
fbd9ab74 | 1146 | if (ps->dirname == NULL || IS_ABSOLUTE_PATH (ps->filename)) |
0b581c69 | 1147 | fullname.reset (xstrdup (ps->filename)); |
fbd9ab74 | 1148 | else |
0b581c69 TT |
1149 | fullname.reset (concat (ps->dirname, SLASH_STRING, |
1150 | ps->filename, (char *) NULL)); | |
fbd9ab74 | 1151 | |
0b581c69 | 1152 | ps->fullname = rewrite_source_path (fullname.get ()).release (); |
fbd9ab74 | 1153 | if (ps->fullname == NULL) |
0b581c69 | 1154 | ps->fullname = fullname.release (); |
fbd9ab74 | 1155 | } |
95cf5869 | 1156 | } |
fbd9ab74 JK |
1157 | |
1158 | return ps->fullname; | |
ccefe4c4 TT |
1159 | } |
1160 | ||
95cf5869 DE |
1161 | /* For all symbols, s, in BLOCK that are in DOMAIN and match NAME |
1162 | according to the function MATCH, call CALLBACK(BLOCK, s, DATA). | |
1163 | BLOCK is assumed to come from OBJFILE. Returns 1 iff CALLBACK | |
1164 | ever returns non-zero, and otherwise returns 0. */ | |
ccefe4c4 | 1165 | |
40658b94 | 1166 | static int |
fe978cb0 | 1167 | map_block (const char *name, domain_enum domain, struct objfile *objfile, |
582942f4 TT |
1168 | const struct block *block, |
1169 | int (*callback) (const struct block *, struct symbol *, void *), | |
b5ec771e | 1170 | void *data, symbol_name_match_type match) |
ccefe4c4 | 1171 | { |
8157b174 | 1172 | struct block_iterator iter; |
40658b94 | 1173 | struct symbol *sym; |
ccefe4c4 | 1174 | |
b5ec771e PA |
1175 | lookup_name_info lookup_name (name, match); |
1176 | ||
1177 | for (sym = block_iter_match_first (block, lookup_name, &iter); | |
1178 | sym != NULL; | |
1179 | sym = block_iter_match_next (lookup_name, &iter)) | |
ccefe4c4 | 1180 | { |
95cf5869 | 1181 | if (symbol_matches_domain (SYMBOL_LANGUAGE (sym), |
fe978cb0 | 1182 | SYMBOL_DOMAIN (sym), domain)) |
40658b94 PH |
1183 | { |
1184 | if (callback (block, sym, data)) | |
1185 | return 1; | |
1186 | } | |
ccefe4c4 TT |
1187 | } |
1188 | ||
40658b94 | 1189 | return 0; |
ccefe4c4 TT |
1190 | } |
1191 | ||
95cf5869 DE |
1192 | /* Psymtab version of map_matching_symbols. See its definition in |
1193 | the definition of quick_symbol_functions in symfile.h. */ | |
40658b94 | 1194 | |
ccefe4c4 | 1195 | static void |
83827540 | 1196 | psym_map_matching_symbols (struct objfile *objfile, |
fe978cb0 | 1197 | const char *name, domain_enum domain, |
83827540 | 1198 | int global, |
582942f4 | 1199 | int (*callback) (const struct block *, |
83827540 DE |
1200 | struct symbol *, void *), |
1201 | void *data, | |
b5ec771e | 1202 | symbol_name_match_type match, |
83827540 | 1203 | symbol_compare_ftype *ordered_compare) |
ccefe4c4 | 1204 | { |
40658b94 | 1205 | const int block_kind = global ? GLOBAL_BLOCK : STATIC_BLOCK; |
ccefe4c4 | 1206 | |
b22a7c6a | 1207 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
ccefe4c4 TT |
1208 | { |
1209 | QUIT; | |
1210 | if (ps->readin | |
fe978cb0 | 1211 | || match_partial_symbol (objfile, ps, global, name, domain, match, |
40658b94 | 1212 | ordered_compare)) |
ccefe4c4 | 1213 | { |
43f3e411 | 1214 | struct compunit_symtab *cust = psymtab_to_symtab (objfile, ps); |
582942f4 | 1215 | const struct block *block; |
ad3bbd48 | 1216 | |
43f3e411 | 1217 | if (cust == NULL) |
ccefe4c4 | 1218 | continue; |
43f3e411 | 1219 | block = BLOCKVECTOR_BLOCK (COMPUNIT_BLOCKVECTOR (cust), block_kind); |
fe978cb0 | 1220 | if (map_block (name, domain, objfile, block, |
40658b94 PH |
1221 | callback, data, match)) |
1222 | return; | |
1223 | if (callback (block, NULL, data)) | |
1224 | return; | |
ccefe4c4 TT |
1225 | } |
1226 | } | |
95cf5869 | 1227 | } |
ccefe4c4 | 1228 | |
14bc53a8 PA |
1229 | /* A helper for psym_expand_symtabs_matching that handles searching |
1230 | included psymtabs. This returns true if a symbol is found, and | |
1231 | false otherwise. It also updates the 'searched_flag' on the | |
9439a077 TT |
1232 | various psymtabs that it searches. */ |
1233 | ||
14bc53a8 PA |
1234 | static bool |
1235 | recursively_search_psymtabs | |
d2f7dcb2 JB |
1236 | (struct partial_symtab *ps, |
1237 | struct objfile *objfile, | |
1238 | enum search_domain domain, | |
b5ec771e | 1239 | const lookup_name_info &lookup_name, |
14bc53a8 | 1240 | gdb::function_view<expand_symtabs_symbol_matcher_ftype> sym_matcher) |
9439a077 | 1241 | { |
9439a077 | 1242 | int keep_going = 1; |
f486487f | 1243 | enum psymtab_search_status result = PST_SEARCHED_AND_NOT_FOUND; |
9439a077 TT |
1244 | int i; |
1245 | ||
1246 | if (ps->searched_flag != PST_NOT_SEARCHED) | |
1247 | return ps->searched_flag == PST_SEARCHED_AND_FOUND; | |
1248 | ||
1249 | /* Recurse into shared psymtabs first, because they may have already | |
1250 | been searched, and this could save some time. */ | |
1251 | for (i = 0; i < ps->number_of_dependencies; ++i) | |
1252 | { | |
1253 | int r; | |
1254 | ||
1255 | /* Skip non-shared dependencies, these are handled elsewhere. */ | |
1256 | if (ps->dependencies[i]->user == NULL) | |
1257 | continue; | |
1258 | ||
1259 | r = recursively_search_psymtabs (ps->dependencies[i], | |
b5ec771e PA |
1260 | objfile, domain, lookup_name, |
1261 | sym_matcher); | |
9439a077 TT |
1262 | if (r != 0) |
1263 | { | |
1264 | ps->searched_flag = PST_SEARCHED_AND_FOUND; | |
14bc53a8 | 1265 | return true; |
9439a077 TT |
1266 | } |
1267 | } | |
1268 | ||
af5bf4ad | 1269 | partial_symbol **gbound |
d320c2b5 TT |
1270 | = (objfile->partial_symtabs->global_psymbols.data () |
1271 | + ps->globals_offset + ps->n_global_syms); | |
af5bf4ad | 1272 | partial_symbol **sbound |
d320c2b5 TT |
1273 | = (objfile->partial_symtabs->static_psymbols.data () |
1274 | + ps->statics_offset + ps->n_static_syms); | |
af5bf4ad | 1275 | partial_symbol **bound = gbound; |
9439a077 TT |
1276 | |
1277 | /* Go through all of the symbols stored in a partial | |
1278 | symtab in one loop. */ | |
d320c2b5 TT |
1279 | partial_symbol **psym = (objfile->partial_symtabs->global_psymbols.data () |
1280 | + ps->globals_offset); | |
9439a077 TT |
1281 | while (keep_going) |
1282 | { | |
1283 | if (psym >= bound) | |
1284 | { | |
1285 | if (bound == gbound && ps->n_static_syms != 0) | |
1286 | { | |
d320c2b5 TT |
1287 | psym = (objfile->partial_symtabs->static_psymbols.data () |
1288 | + ps->statics_offset); | |
9439a077 TT |
1289 | bound = sbound; |
1290 | } | |
1291 | else | |
1292 | keep_going = 0; | |
1293 | continue; | |
1294 | } | |
1295 | else | |
1296 | { | |
1297 | QUIT; | |
1298 | ||
b5ec771e PA |
1299 | if ((domain == ALL_DOMAIN |
1300 | || (domain == VARIABLES_DOMAIN | |
8a6d4234 TT |
1301 | && (*psym)->aclass != LOC_TYPEDEF |
1302 | && (*psym)->aclass != LOC_BLOCK) | |
b5ec771e | 1303 | || (domain == FUNCTIONS_DOMAIN |
8a6d4234 | 1304 | && (*psym)->aclass == LOC_BLOCK) |
b5ec771e | 1305 | || (domain == TYPES_DOMAIN |
8a6d4234 | 1306 | && (*psym)->aclass == LOC_TYPEDEF)) |
b5ec771e | 1307 | && psymbol_name_matches (*psym, lookup_name) |
8a6d4234 | 1308 | && (sym_matcher == NULL || sym_matcher (symbol_search_name (*psym)))) |
9439a077 TT |
1309 | { |
1310 | /* Found a match, so notify our caller. */ | |
1311 | result = PST_SEARCHED_AND_FOUND; | |
1312 | keep_going = 0; | |
1313 | } | |
1314 | } | |
1315 | psym++; | |
1316 | } | |
1317 | ||
1318 | ps->searched_flag = result; | |
1319 | return result == PST_SEARCHED_AND_FOUND; | |
1320 | } | |
1321 | ||
95cf5869 DE |
1322 | /* Psymtab version of expand_symtabs_matching. See its definition in |
1323 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1324 | |
ccefe4c4 | 1325 | static void |
83827540 | 1326 | psym_expand_symtabs_matching |
f8eba3c6 | 1327 | (struct objfile *objfile, |
14bc53a8 | 1328 | gdb::function_view<expand_symtabs_file_matcher_ftype> file_matcher, |
c62446b1 | 1329 | const lookup_name_info &lookup_name_in, |
14bc53a8 PA |
1330 | gdb::function_view<expand_symtabs_symbol_matcher_ftype> symbol_matcher, |
1331 | gdb::function_view<expand_symtabs_exp_notify_ftype> expansion_notify, | |
b5ec771e | 1332 | enum search_domain domain) |
ccefe4c4 | 1333 | { |
c62446b1 PA |
1334 | lookup_name_info lookup_name = lookup_name_in.make_ignore_params (); |
1335 | ||
9439a077 | 1336 | /* Clear the search flags. */ |
b22a7c6a TT |
1337 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
1338 | ps->searched_flag = PST_NOT_SEARCHED; | |
ccefe4c4 | 1339 | |
f252c6d5 | 1340 | for (partial_symtab *ps : objfile->psymtabs ()) |
9439a077 | 1341 | { |
30b3dd9d DE |
1342 | QUIT; |
1343 | ||
ccefe4c4 TT |
1344 | if (ps->readin) |
1345 | continue; | |
1346 | ||
9439a077 TT |
1347 | /* We skip shared psymtabs because file-matching doesn't apply |
1348 | to them; but we search them later in the loop. */ | |
1349 | if (ps->user != NULL) | |
ccefe4c4 TT |
1350 | continue; |
1351 | ||
b4c41fc7 DE |
1352 | if (file_matcher) |
1353 | { | |
14bc53a8 | 1354 | bool match; |
680d1742 | 1355 | |
b4c41fc7 DE |
1356 | if (ps->anonymous) |
1357 | continue; | |
fbd9ab74 | 1358 | |
14bc53a8 | 1359 | match = file_matcher (ps->filename, false); |
680d1742 DE |
1360 | if (!match) |
1361 | { | |
1362 | /* Before we invoke realpath, which can get expensive when many | |
1363 | files are involved, do a quick comparison of the basenames. */ | |
1364 | if (basenames_may_differ | |
14bc53a8 PA |
1365 | || file_matcher (lbasename (ps->filename), true)) |
1366 | match = file_matcher (psymtab_to_fullname (ps), false); | |
680d1742 DE |
1367 | } |
1368 | if (!match) | |
b4c41fc7 DE |
1369 | continue; |
1370 | } | |
ccefe4c4 | 1371 | |
b5ec771e PA |
1372 | if (recursively_search_psymtabs (ps, objfile, domain, |
1373 | lookup_name, symbol_matcher)) | |
276d885b GB |
1374 | { |
1375 | struct compunit_symtab *symtab = | |
1376 | psymtab_to_symtab (objfile, ps); | |
1377 | ||
1378 | if (expansion_notify != NULL) | |
14bc53a8 | 1379 | expansion_notify (symtab); |
276d885b | 1380 | } |
ccefe4c4 TT |
1381 | } |
1382 | } | |
1383 | ||
95cf5869 DE |
1384 | /* Psymtab version of has_symbols. See its definition in |
1385 | the definition of quick_symbol_functions in symfile.h. */ | |
83827540 | 1386 | |
ccefe4c4 | 1387 | static int |
83827540 | 1388 | psym_has_symbols (struct objfile *objfile) |
ccefe4c4 | 1389 | { |
d320c2b5 | 1390 | return objfile->partial_symtabs->psymtabs != NULL; |
ccefe4c4 TT |
1391 | } |
1392 | ||
71a3c369 TT |
1393 | /* Helper function for psym_find_compunit_symtab_by_address that fills |
1394 | in psymbol_map for a given range of psymbols. */ | |
1395 | ||
1396 | static void | |
1397 | psym_fill_psymbol_map (struct objfile *objfile, | |
1398 | struct partial_symtab *psymtab, | |
1399 | std::set<CORE_ADDR> *seen_addrs, | |
1400 | const std::vector<partial_symbol *> &symbols, | |
1401 | int start, | |
1402 | int length) | |
1403 | { | |
1404 | for (int i = 0; i < length; ++i) | |
1405 | { | |
1406 | struct partial_symbol *psym = symbols[start + i]; | |
1407 | ||
8a6d4234 | 1408 | if (psym->aclass == LOC_STATIC) |
71a3c369 | 1409 | { |
02e9e7f7 | 1410 | CORE_ADDR addr = psym->address (objfile); |
71a3c369 TT |
1411 | if (seen_addrs->find (addr) == seen_addrs->end ()) |
1412 | { | |
1413 | seen_addrs->insert (addr); | |
1414 | objfile->psymbol_map.emplace_back (addr, psymtab); | |
1415 | } | |
1416 | } | |
1417 | } | |
1418 | } | |
1419 | ||
1420 | /* See find_compunit_symtab_by_address in quick_symbol_functions, in | |
1421 | symfile.h. */ | |
1422 | ||
1423 | static compunit_symtab * | |
1424 | psym_find_compunit_symtab_by_address (struct objfile *objfile, | |
1425 | CORE_ADDR address) | |
1426 | { | |
1427 | if (objfile->psymbol_map.empty ()) | |
1428 | { | |
71a3c369 TT |
1429 | std::set<CORE_ADDR> seen_addrs; |
1430 | ||
b22a7c6a TT |
1431 | for (partial_symtab *pst : require_partial_symbols (objfile, 1)) |
1432 | { | |
1433 | psym_fill_psymbol_map (objfile, pst, | |
1434 | &seen_addrs, | |
d320c2b5 | 1435 | objfile->partial_symtabs->global_psymbols, |
b22a7c6a TT |
1436 | pst->globals_offset, |
1437 | pst->n_global_syms); | |
1438 | psym_fill_psymbol_map (objfile, pst, | |
1439 | &seen_addrs, | |
d320c2b5 | 1440 | objfile->partial_symtabs->static_psymbols, |
b22a7c6a TT |
1441 | pst->statics_offset, |
1442 | pst->n_static_syms); | |
1443 | } | |
71a3c369 TT |
1444 | |
1445 | objfile->psymbol_map.shrink_to_fit (); | |
1446 | ||
1447 | std::sort (objfile->psymbol_map.begin (), objfile->psymbol_map.end (), | |
1448 | [] (const std::pair<CORE_ADDR, partial_symtab *> &a, | |
1449 | const std::pair<CORE_ADDR, partial_symtab *> &b) | |
1450 | { | |
1451 | return a.first < b.first; | |
1452 | }); | |
1453 | } | |
1454 | ||
1455 | auto iter = std::lower_bound | |
1456 | (objfile->psymbol_map.begin (), objfile->psymbol_map.end (), address, | |
1457 | [] (const std::pair<CORE_ADDR, partial_symtab *> &a, | |
1458 | CORE_ADDR b) | |
1459 | { | |
1460 | return a.first < b; | |
1461 | }); | |
1462 | ||
1463 | if (iter == objfile->psymbol_map.end () || iter->first != address) | |
1464 | return NULL; | |
1465 | ||
1466 | return psymtab_to_symtab (objfile, iter->second); | |
1467 | } | |
1468 | ||
ccefe4c4 TT |
1469 | const struct quick_symbol_functions psym_functions = |
1470 | { | |
83827540 DE |
1471 | psym_has_symbols, |
1472 | psym_find_last_source_symtab, | |
1473 | psym_forget_cached_source_info, | |
1474 | psym_map_symtabs_matching_filename, | |
1475 | psym_lookup_symbol, | |
1476 | psym_print_stats, | |
1477 | psym_dump, | |
83827540 DE |
1478 | psym_expand_symtabs_for_function, |
1479 | psym_expand_all_symtabs, | |
1480 | psym_expand_symtabs_with_fullname, | |
1481 | psym_map_matching_symbols, | |
1482 | psym_expand_symtabs_matching, | |
1483 | psym_find_pc_sect_compunit_symtab, | |
71a3c369 | 1484 | psym_find_compunit_symtab_by_address, |
83827540 | 1485 | psym_map_symbol_filenames |
ccefe4c4 TT |
1486 | }; |
1487 | ||
1488 | \f | |
1489 | ||
8763cede | 1490 | static void |
5c80ed9d | 1491 | sort_pst_symbols (struct objfile *objfile, struct partial_symtab *pst) |
ccefe4c4 | 1492 | { |
0df8b418 | 1493 | /* Sort the global list; don't sort the static list. */ |
d320c2b5 | 1494 | auto begin = objfile->partial_symtabs->global_psymbols.begin (); |
af5bf4ad SM |
1495 | std::advance (begin, pst->globals_offset); |
1496 | ||
1497 | /* The psymbols for this partial_symtab are currently at the end of the | |
1498 | vector. */ | |
d320c2b5 | 1499 | auto end = objfile->partial_symtabs->global_psymbols.end (); |
ccefe4c4 | 1500 | |
af5bf4ad SM |
1501 | std::sort (begin, end, [] (partial_symbol *s1, partial_symbol *s2) |
1502 | { | |
8a6d4234 TT |
1503 | return strcmp_iw_ordered (symbol_search_name (s1), |
1504 | symbol_search_name (s2)) < 0; | |
af5bf4ad | 1505 | }); |
ccefe4c4 TT |
1506 | } |
1507 | ||
1508 | /* Allocate and partially fill a partial symtab. It will be | |
1509 | completely filled at the end of the symbol list. | |
1510 | ||
0df8b418 | 1511 | FILENAME is the name of the symbol-file we are reading from. */ |
ccefe4c4 TT |
1512 | |
1513 | struct partial_symtab * | |
1514 | start_psymtab_common (struct objfile *objfile, | |
ccefe4c4 | 1515 | const char *filename, |
939652a5 | 1516 | CORE_ADDR textlow) |
ccefe4c4 TT |
1517 | { |
1518 | struct partial_symtab *psymtab; | |
1519 | ||
1520 | psymtab = allocate_psymtab (filename, objfile); | |
4ae976d1 | 1521 | psymtab->set_text_low (textlow); |
79748972 | 1522 | psymtab->set_text_high (psymtab->raw_text_low ()); /* default */ |
d320c2b5 TT |
1523 | psymtab->globals_offset = objfile->partial_symtabs->global_psymbols.size (); |
1524 | psymtab->statics_offset = objfile->partial_symtabs->static_psymbols.size (); | |
95cf5869 | 1525 | return psymtab; |
ccefe4c4 TT |
1526 | } |
1527 | ||
8763cede DE |
1528 | /* Perform "finishing up" operations of a partial symtab. */ |
1529 | ||
1530 | void | |
1531 | end_psymtab_common (struct objfile *objfile, struct partial_symtab *pst) | |
1532 | { | |
d320c2b5 TT |
1533 | pst->n_global_syms = (objfile->partial_symtabs->global_psymbols.size () |
1534 | - pst->globals_offset); | |
1535 | pst->n_static_syms = (objfile->partial_symtabs->static_psymbols.size () | |
1536 | - pst->statics_offset); | |
8763cede DE |
1537 | |
1538 | sort_pst_symbols (objfile, pst); | |
1539 | } | |
1540 | ||
cbd70537 SW |
1541 | /* Calculate a hash code for the given partial symbol. The hash is |
1542 | calculated using the symbol's value, language, domain, class | |
0df8b418 | 1543 | and name. These are the values which are set by |
cbd70537 SW |
1544 | add_psymbol_to_bcache. */ |
1545 | ||
710e1a31 | 1546 | static unsigned long |
cbd70537 SW |
1547 | psymbol_hash (const void *addr, int length) |
1548 | { | |
1549 | unsigned long h = 0; | |
1550 | struct partial_symbol *psymbol = (struct partial_symbol *) addr; | |
8a6d4234 TT |
1551 | unsigned int lang = psymbol->language; |
1552 | unsigned int domain = psymbol->domain; | |
1553 | unsigned int theclass = psymbol->aclass; | |
cbd70537 | 1554 | |
8a6d4234 | 1555 | h = hash_continue (&psymbol->value, sizeof (psymbol->value), h); |
cbd70537 SW |
1556 | h = hash_continue (&lang, sizeof (unsigned int), h); |
1557 | h = hash_continue (&domain, sizeof (unsigned int), h); | |
fe978cb0 | 1558 | h = hash_continue (&theclass, sizeof (unsigned int), h); |
e793c052 TT |
1559 | /* Note that psymbol names are interned via symbol_set_names, so |
1560 | there's no need to hash the contents of the name here. */ | |
8a6d4234 TT |
1561 | h = hash_continue (&psymbol->name, |
1562 | sizeof (psymbol->name), h); | |
cbd70537 SW |
1563 | |
1564 | return h; | |
1565 | } | |
1566 | ||
1567 | /* Returns true if the symbol at addr1 equals the symbol at addr2. | |
1568 | For the comparison this function uses a symbols value, | |
1569 | language, domain, class and name. */ | |
1570 | ||
710e1a31 | 1571 | static int |
cbd70537 SW |
1572 | psymbol_compare (const void *addr1, const void *addr2, int length) |
1573 | { | |
1574 | struct partial_symbol *sym1 = (struct partial_symbol *) addr1; | |
1575 | struct partial_symbol *sym2 = (struct partial_symbol *) addr2; | |
1576 | ||
8a6d4234 TT |
1577 | return (memcmp (&sym1->value, &sym2->value, |
1578 | sizeof (sym1->value)) == 0 | |
1579 | && sym1->language == sym2->language | |
1580 | && sym1->domain == sym2->domain | |
1581 | && sym1->aclass == sym2->aclass | |
e793c052 TT |
1582 | /* Note that psymbol names are interned via |
1583 | symbol_set_names, so there's no need to compare the | |
1584 | contents of the name here. */ | |
8a6d4234 | 1585 | && sym1->name == sym2->name); |
cbd70537 SW |
1586 | } |
1587 | ||
95cf5869 | 1588 | /* Helper function, initialises partial symbol structure and stashes |
ccefe4c4 TT |
1589 | it into objfile's bcache. Note that our caching mechanism will |
1590 | use all fields of struct partial_symbol to determine hash value of the | |
1591 | structure. In other words, having two symbols with the same name but | |
1592 | different domain (or address) is possible and correct. */ | |
1593 | ||
af5bf4ad | 1594 | static struct partial_symbol * |
72b9f47f | 1595 | add_psymbol_to_bcache (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1596 | domain_enum domain, |
fe978cb0 | 1597 | enum address_class theclass, |
79748972 | 1598 | short section, |
1762568f | 1599 | CORE_ADDR coreaddr, |
ccefe4c4 TT |
1600 | enum language language, struct objfile *objfile, |
1601 | int *added) | |
1602 | { | |
cbd70537 SW |
1603 | struct partial_symbol psymbol; |
1604 | ||
79748972 TT |
1605 | psymbol.set_unrelocated_address (coreaddr); |
1606 | psymbol.section = section; | |
8a6d4234 TT |
1607 | psymbol.domain = domain; |
1608 | psymbol.aclass = theclass; | |
fc956729 | 1609 | |
8a6d4234 TT |
1610 | memset (&psymbol.language_specific, 0, sizeof (psymbol.language_specific)); |
1611 | psymbol.ada_mangled = 0; | |
5af70966 TT |
1612 | symbol_set_language (&psymbol, language, |
1613 | objfile->partial_symtabs->obstack ()); | |
1d94a5a3 | 1614 | symbol_set_names (&psymbol, name, namelength, copy_name, objfile->per_bfd); |
ccefe4c4 | 1615 | |
0df8b418 | 1616 | /* Stash the partial symbol away in the cache. */ |
25629dfd TT |
1617 | return ((struct partial_symbol *) |
1618 | objfile->partial_symtabs->psymbol_cache.insert | |
1619 | (&psymbol, sizeof (struct partial_symbol), added)); | |
ccefe4c4 TT |
1620 | } |
1621 | ||
95cf5869 | 1622 | /* Helper function, adds partial symbol to the given partial symbol list. */ |
ccefe4c4 TT |
1623 | |
1624 | static void | |
af5bf4ad SM |
1625 | append_psymbol_to_list (std::vector<partial_symbol *> *list, |
1626 | struct partial_symbol *psym, | |
ccefe4c4 TT |
1627 | struct objfile *objfile) |
1628 | { | |
af5bf4ad | 1629 | list->push_back (psym); |
ccefe4c4 TT |
1630 | OBJSTAT (objfile, n_psyms++); |
1631 | } | |
1632 | ||
1633 | /* Add a symbol with a long value to a psymtab. | |
1634 | Since one arg is a struct, we pass in a ptr and deref it (sigh). | |
1762568f DE |
1635 | The only value we need to store for psyms is an address. |
1636 | For all other psyms pass zero for COREADDR. | |
ccefe4c4 TT |
1637 | Return the partial symbol that has been added. */ |
1638 | ||
7dc25483 | 1639 | void |
72b9f47f | 1640 | add_psymbol_to_list (const char *name, int namelength, int copy_name, |
ccefe4c4 | 1641 | domain_enum domain, |
fe978cb0 | 1642 | enum address_class theclass, |
79748972 | 1643 | short section, |
75aedd27 | 1644 | psymbol_placement where, |
1762568f | 1645 | CORE_ADDR coreaddr, |
ccefe4c4 TT |
1646 | enum language language, struct objfile *objfile) |
1647 | { | |
af5bf4ad | 1648 | struct partial_symbol *psym; |
ccefe4c4 TT |
1649 | |
1650 | int added; | |
1651 | ||
0df8b418 | 1652 | /* Stash the partial symbol away in the cache. */ |
fe978cb0 | 1653 | psym = add_psymbol_to_bcache (name, namelength, copy_name, domain, theclass, |
79748972 | 1654 | section, coreaddr, language, objfile, &added); |
ccefe4c4 TT |
1655 | |
1656 | /* Do not duplicate global partial symbols. */ | |
75aedd27 | 1657 | if (where == psymbol_placement::GLOBAL && !added) |
7dc25483 | 1658 | return; |
ccefe4c4 | 1659 | |
0df8b418 | 1660 | /* Save pointer to partial symbol in psymtab, growing symtab if needed. */ |
75aedd27 TT |
1661 | std::vector<partial_symbol *> *list |
1662 | = (where == psymbol_placement::STATIC | |
d320c2b5 TT |
1663 | ? &objfile->partial_symtabs->static_psymbols |
1664 | : &objfile->partial_symtabs->global_psymbols); | |
ccefe4c4 | 1665 | append_psymbol_to_list (list, psym, objfile); |
ccefe4c4 TT |
1666 | } |
1667 | ||
6eee24ce | 1668 | /* See psympriv.h. */ |
ccefe4c4 TT |
1669 | |
1670 | void | |
1671 | init_psymbol_list (struct objfile *objfile, int total_symbols) | |
1672 | { | |
d320c2b5 TT |
1673 | if (objfile->partial_symtabs->global_psymbols.capacity () == 0 |
1674 | && objfile->partial_symtabs->static_psymbols.capacity () == 0) | |
6eee24ce TT |
1675 | { |
1676 | /* Current best guess is that approximately a twentieth of the | |
1677 | total symbols (in a debugging file) are global or static | |
1678 | oriented symbols, then multiply that by slop factor of | |
1679 | two. */ | |
d320c2b5 TT |
1680 | objfile->partial_symtabs->global_psymbols.reserve (total_symbols / 10); |
1681 | objfile->partial_symtabs->static_psymbols.reserve (total_symbols / 10); | |
6eee24ce | 1682 | } |
ccefe4c4 TT |
1683 | } |
1684 | ||
baa62830 TT |
1685 | /* See psympriv.h. */ |
1686 | ||
ccefe4c4 TT |
1687 | struct partial_symtab * |
1688 | allocate_psymtab (const char *filename, struct objfile *objfile) | |
1689 | { | |
b596a3c7 TT |
1690 | struct partial_symtab *psymtab |
1691 | = objfile->partial_symtabs->allocate_psymtab (); | |
ccefe4c4 | 1692 | |
19ba03f4 | 1693 | psymtab->filename |
25629dfd TT |
1694 | = ((const char *) objfile->per_bfd->filename_cache.insert |
1695 | (filename, strlen (filename) + 1)); | |
43f3e411 | 1696 | psymtab->compunit_symtab = NULL; |
ccefe4c4 | 1697 | |
45cfd468 DE |
1698 | if (symtab_create_debug) |
1699 | { | |
1700 | /* Be a bit clever with debugging messages, and don't print objfile | |
1701 | every time, only when it changes. */ | |
1702 | static char *last_objfile_name = NULL; | |
1703 | ||
1704 | if (last_objfile_name == NULL | |
4262abfb | 1705 | || strcmp (last_objfile_name, objfile_name (objfile)) != 0) |
45cfd468 DE |
1706 | { |
1707 | xfree (last_objfile_name); | |
4262abfb | 1708 | last_objfile_name = xstrdup (objfile_name (objfile)); |
22068491 TT |
1709 | fprintf_filtered (gdb_stdlog, |
1710 | "Creating one or more psymtabs for objfile %s ...\n", | |
1711 | last_objfile_name); | |
45cfd468 | 1712 | } |
22068491 TT |
1713 | fprintf_filtered (gdb_stdlog, |
1714 | "Created psymtab %s for module %s.\n", | |
1715 | host_address_to_string (psymtab), filename); | |
45cfd468 DE |
1716 | } |
1717 | ||
95cf5869 | 1718 | return psymtab; |
ccefe4c4 TT |
1719 | } |
1720 | ||
1721 | void | |
d320c2b5 | 1722 | psymtab_storage::discard_psymtab (struct partial_symtab *pst) |
ccefe4c4 TT |
1723 | { |
1724 | struct partial_symtab **prev_pst; | |
1725 | ||
1726 | /* From dbxread.c: | |
1727 | Empty psymtabs happen as a result of header files which don't | |
1728 | have any symbols in them. There can be a lot of them. But this | |
1729 | check is wrong, in that a psymtab with N_SLINE entries but | |
1730 | nothing else is not empty, but we don't realize that. Fixing | |
1731 | that without slowing things down might be tricky. */ | |
1732 | ||
0df8b418 | 1733 | /* First, snip it out of the psymtab chain. */ |
ccefe4c4 | 1734 | |
d320c2b5 | 1735 | prev_pst = &psymtabs; |
ccefe4c4 TT |
1736 | while ((*prev_pst) != pst) |
1737 | prev_pst = &((*prev_pst)->next); | |
1738 | (*prev_pst) = pst->next; | |
1739 | ||
0df8b418 | 1740 | /* Next, put it on a free list for recycling. */ |
ccefe4c4 | 1741 | |
d320c2b5 TT |
1742 | pst->next = free_psymtabs; |
1743 | free_psymtabs = pst; | |
ccefe4c4 TT |
1744 | } |
1745 | ||
ccefe4c4 TT |
1746 | \f |
1747 | ||
372405a5 DE |
1748 | /* We need to pass a couple of items to the addrmap_foreach function, |
1749 | so use a struct. */ | |
1750 | ||
1751 | struct dump_psymtab_addrmap_data | |
1752 | { | |
1753 | struct objfile *objfile; | |
1754 | struct partial_symtab *psymtab; | |
1755 | struct ui_file *outfile; | |
1756 | ||
1757 | /* Non-zero if the previously printed addrmap entry was for PSYMTAB. | |
1758 | If so, we want to print the next one as well (since the next addrmap | |
1759 | entry defines the end of the range). */ | |
1760 | int previous_matched; | |
1761 | }; | |
1762 | ||
1763 | /* Helper function for dump_psymtab_addrmap to print an addrmap entry. */ | |
1764 | ||
1765 | static int | |
1766 | dump_psymtab_addrmap_1 (void *datap, CORE_ADDR start_addr, void *obj) | |
1767 | { | |
709b5518 PA |
1768 | struct dump_psymtab_addrmap_data *data |
1769 | = (struct dump_psymtab_addrmap_data *) datap; | |
372405a5 | 1770 | struct gdbarch *gdbarch = get_objfile_arch (data->objfile); |
709b5518 | 1771 | struct partial_symtab *addrmap_psymtab = (struct partial_symtab *) obj; |
372405a5 DE |
1772 | const char *psymtab_address_or_end = NULL; |
1773 | ||
1774 | QUIT; | |
1775 | ||
1776 | if (data->psymtab == NULL | |
1777 | || data->psymtab == addrmap_psymtab) | |
1778 | psymtab_address_or_end = host_address_to_string (addrmap_psymtab); | |
1779 | else if (data->previous_matched) | |
1780 | psymtab_address_or_end = "<ends here>"; | |
1781 | ||
1782 | if (data->psymtab == NULL | |
1783 | || data->psymtab == addrmap_psymtab | |
1784 | || data->previous_matched) | |
1785 | { | |
1786 | fprintf_filtered (data->outfile, " %s%s %s\n", | |
1787 | data->psymtab != NULL ? " " : "", | |
1788 | paddress (gdbarch, start_addr), | |
1789 | psymtab_address_or_end); | |
1790 | } | |
1791 | ||
1792 | data->previous_matched = (data->psymtab == NULL | |
1793 | || data->psymtab == addrmap_psymtab); | |
1794 | ||
1795 | return 0; | |
1796 | } | |
1797 | ||
1798 | /* Helper function for maintenance_print_psymbols to print the addrmap | |
1799 | of PSYMTAB. If PSYMTAB is NULL print the entire addrmap. */ | |
1800 | ||
1801 | static void | |
1802 | dump_psymtab_addrmap (struct objfile *objfile, struct partial_symtab *psymtab, | |
1803 | struct ui_file *outfile) | |
1804 | { | |
1805 | struct dump_psymtab_addrmap_data addrmap_dump_data; | |
1806 | ||
34c41c68 DE |
1807 | if ((psymtab == NULL |
1808 | || psymtab->psymtabs_addrmap_supported) | |
d320c2b5 | 1809 | && objfile->partial_symtabs->psymtabs_addrmap != NULL) |
372405a5 DE |
1810 | { |
1811 | addrmap_dump_data.objfile = objfile; | |
1812 | addrmap_dump_data.psymtab = psymtab; | |
1813 | addrmap_dump_data.outfile = outfile; | |
1814 | addrmap_dump_data.previous_matched = 0; | |
1815 | fprintf_filtered (outfile, "%sddress map:\n", | |
1816 | psymtab == NULL ? "Entire a" : " A"); | |
d320c2b5 TT |
1817 | addrmap_foreach (objfile->partial_symtabs->psymtabs_addrmap, |
1818 | dump_psymtab_addrmap_1, &addrmap_dump_data); | |
372405a5 DE |
1819 | } |
1820 | } | |
1821 | ||
dfc7bb5b | 1822 | static void |
990b9f9f | 1823 | maintenance_print_psymbols (const char *args, int from_tty) |
ccefe4c4 | 1824 | { |
34c41c68 | 1825 | struct ui_file *outfile = gdb_stdout; |
34c41c68 | 1826 | char *address_arg = NULL, *source_arg = NULL, *objfile_arg = NULL; |
34c41c68 DE |
1827 | int i, outfile_idx, found; |
1828 | CORE_ADDR pc = 0; | |
1829 | struct obj_section *section = NULL; | |
ccefe4c4 TT |
1830 | |
1831 | dont_repeat (); | |
1832 | ||
773a1edc | 1833 | gdb_argv argv (args); |
ccefe4c4 | 1834 | |
99e8a4f9 | 1835 | for (i = 0; argv != NULL && argv[i] != NULL; ++i) |
ccefe4c4 | 1836 | { |
34c41c68 DE |
1837 | if (strcmp (argv[i], "-pc") == 0) |
1838 | { | |
1839 | if (argv[i + 1] == NULL) | |
1840 | error (_("Missing pc value")); | |
1841 | address_arg = argv[++i]; | |
1842 | } | |
1843 | else if (strcmp (argv[i], "-source") == 0) | |
1844 | { | |
1845 | if (argv[i + 1] == NULL) | |
1846 | error (_("Missing source file")); | |
1847 | source_arg = argv[++i]; | |
1848 | } | |
1849 | else if (strcmp (argv[i], "-objfile") == 0) | |
1850 | { | |
1851 | if (argv[i + 1] == NULL) | |
1852 | error (_("Missing objfile name")); | |
1853 | objfile_arg = argv[++i]; | |
1854 | } | |
1855 | else if (strcmp (argv[i], "--") == 0) | |
1856 | { | |
1857 | /* End of options. */ | |
1858 | ++i; | |
1859 | break; | |
1860 | } | |
1861 | else if (argv[i][0] == '-') | |
ccefe4c4 | 1862 | { |
34c41c68 DE |
1863 | /* Future proofing: Don't allow OUTFILE to begin with "-". */ |
1864 | error (_("Unknown option: %s"), argv[i]); | |
ccefe4c4 | 1865 | } |
34c41c68 DE |
1866 | else |
1867 | break; | |
ccefe4c4 | 1868 | } |
34c41c68 | 1869 | outfile_idx = i; |
ccefe4c4 | 1870 | |
34c41c68 DE |
1871 | if (address_arg != NULL && source_arg != NULL) |
1872 | error (_("Must specify at most one of -pc and -source")); | |
ccefe4c4 | 1873 | |
d7e74731 PA |
1874 | stdio_file arg_outfile; |
1875 | ||
99e8a4f9 | 1876 | if (argv != NULL && argv[outfile_idx] != NULL) |
34c41c68 | 1877 | { |
34c41c68 DE |
1878 | if (argv[outfile_idx + 1] != NULL) |
1879 | error (_("Junk at end of command")); | |
ee0c3293 TT |
1880 | gdb::unique_xmalloc_ptr<char> outfile_name |
1881 | (tilde_expand (argv[outfile_idx])); | |
1882 | if (!arg_outfile.open (outfile_name.get (), FOPEN_WT)) | |
1883 | perror_with_name (outfile_name.get ()); | |
d7e74731 | 1884 | outfile = &arg_outfile; |
34c41c68 | 1885 | } |
ccefe4c4 | 1886 | |
34c41c68 DE |
1887 | if (address_arg != NULL) |
1888 | { | |
1889 | pc = parse_and_eval_address (address_arg); | |
1890 | /* If we fail to find a section, that's ok, try the lookup anyway. */ | |
1891 | section = find_pc_section (pc); | |
1892 | } | |
372405a5 | 1893 | |
34c41c68 | 1894 | found = 0; |
2030c079 | 1895 | for (objfile *objfile : current_program_space->objfiles ()) |
27618ce4 | 1896 | { |
34c41c68 DE |
1897 | int printed_objfile_header = 0; |
1898 | int print_for_objfile = 1; | |
1899 | ||
27618ce4 | 1900 | QUIT; |
34c41c68 DE |
1901 | if (objfile_arg != NULL) |
1902 | print_for_objfile | |
1903 | = compare_filenames_for_search (objfile_name (objfile), | |
1904 | objfile_arg); | |
1905 | if (!print_for_objfile) | |
1906 | continue; | |
1907 | ||
1908 | if (address_arg != NULL) | |
1909 | { | |
1910 | struct bound_minimal_symbol msymbol = { NULL, NULL }; | |
1911 | ||
1912 | /* We don't assume each pc has a unique objfile (this is for | |
1913 | debugging). */ | |
b22a7c6a TT |
1914 | struct partial_symtab *ps = find_pc_sect_psymtab (objfile, pc, |
1915 | section, msymbol); | |
34c41c68 DE |
1916 | if (ps != NULL) |
1917 | { | |
1918 | if (!printed_objfile_header) | |
1919 | { | |
d7e74731 PA |
1920 | outfile->printf ("\nPartial symtabs for objfile %s\n", |
1921 | objfile_name (objfile)); | |
34c41c68 DE |
1922 | printed_objfile_header = 1; |
1923 | } | |
1924 | dump_psymtab (objfile, ps, outfile); | |
1925 | dump_psymtab_addrmap (objfile, ps, outfile); | |
1926 | found = 1; | |
1927 | } | |
1928 | } | |
1929 | else | |
1930 | { | |
b22a7c6a | 1931 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
34c41c68 DE |
1932 | { |
1933 | int print_for_source = 0; | |
1934 | ||
1935 | QUIT; | |
1936 | if (source_arg != NULL) | |
1937 | { | |
1938 | print_for_source | |
1939 | = compare_filenames_for_search (ps->filename, source_arg); | |
1940 | found = 1; | |
1941 | } | |
1942 | if (source_arg == NULL | |
1943 | || print_for_source) | |
1944 | { | |
1945 | if (!printed_objfile_header) | |
1946 | { | |
d7e74731 PA |
1947 | outfile->printf ("\nPartial symtabs for objfile %s\n", |
1948 | objfile_name (objfile)); | |
34c41c68 DE |
1949 | printed_objfile_header = 1; |
1950 | } | |
1951 | dump_psymtab (objfile, ps, outfile); | |
1952 | dump_psymtab_addrmap (objfile, ps, outfile); | |
1953 | } | |
1954 | } | |
1955 | } | |
1956 | ||
1957 | /* If we're printing all the objfile's symbols dump the full addrmap. */ | |
1958 | ||
1959 | if (address_arg == NULL | |
1960 | && source_arg == NULL | |
d320c2b5 | 1961 | && objfile->partial_symtabs->psymtabs_addrmap != NULL) |
372405a5 | 1962 | { |
d7e74731 | 1963 | outfile->puts ("\n"); |
34c41c68 | 1964 | dump_psymtab_addrmap (objfile, NULL, outfile); |
372405a5 | 1965 | } |
27618ce4 | 1966 | } |
372405a5 | 1967 | |
34c41c68 DE |
1968 | if (!found) |
1969 | { | |
1970 | if (address_arg != NULL) | |
1971 | error (_("No partial symtab for address: %s"), address_arg); | |
1972 | if (source_arg != NULL) | |
1973 | error (_("No partial symtab for source file: %s"), source_arg); | |
1974 | } | |
ccefe4c4 TT |
1975 | } |
1976 | ||
1977 | /* List all the partial symbol tables whose names match REGEXP (optional). */ | |
95cf5869 | 1978 | |
dfc7bb5b | 1979 | static void |
990b9f9f | 1980 | maintenance_info_psymtabs (const char *regexp, int from_tty) |
ccefe4c4 TT |
1981 | { |
1982 | struct program_space *pspace; | |
ccefe4c4 TT |
1983 | |
1984 | if (regexp) | |
1985 | re_comp (regexp); | |
1986 | ||
1987 | ALL_PSPACES (pspace) | |
2030c079 | 1988 | for (objfile *objfile : pspace->objfiles ()) |
99d89cde TT |
1989 | { |
1990 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
ccefe4c4 | 1991 | |
99d89cde TT |
1992 | /* We don't want to print anything for this objfile until we |
1993 | actually find a symtab whose name matches. */ | |
1994 | int printed_objfile_start = 0; | |
ccefe4c4 | 1995 | |
b22a7c6a | 1996 | for (partial_symtab *psymtab : require_partial_symbols (objfile, 1)) |
99d89cde TT |
1997 | { |
1998 | QUIT; | |
1999 | ||
2000 | if (! regexp | |
2001 | || re_exec (psymtab->filename)) | |
2002 | { | |
2003 | if (! printed_objfile_start) | |
2004 | { | |
2005 | printf_filtered ("{ objfile %s ", objfile_name (objfile)); | |
2006 | wrap_here (" "); | |
2007 | printf_filtered ("((struct objfile *) %s)\n", | |
2008 | host_address_to_string (objfile)); | |
2009 | printed_objfile_start = 1; | |
2010 | } | |
2011 | ||
2012 | printf_filtered (" { psymtab %s ", psymtab->filename); | |
2013 | wrap_here (" "); | |
2014 | printf_filtered ("((struct partial_symtab *) %s)\n", | |
2015 | host_address_to_string (psymtab)); | |
2016 | ||
2017 | printf_filtered (" readin %s\n", | |
2018 | psymtab->readin ? "yes" : "no"); | |
2019 | printf_filtered (" fullname %s\n", | |
2020 | psymtab->fullname | |
2021 | ? psymtab->fullname : "(null)"); | |
2022 | printf_filtered (" text addresses "); | |
2023 | fputs_filtered (paddress (gdbarch, | |
2024 | psymtab->text_low (objfile)), | |
2025 | gdb_stdout); | |
2026 | printf_filtered (" -- "); | |
2027 | fputs_filtered (paddress (gdbarch, | |
2028 | psymtab->text_high (objfile)), | |
2029 | gdb_stdout); | |
2030 | printf_filtered ("\n"); | |
2031 | printf_filtered (" psymtabs_addrmap_supported %s\n", | |
2032 | (psymtab->psymtabs_addrmap_supported | |
2033 | ? "yes" : "no")); | |
2034 | printf_filtered (" globals "); | |
2035 | if (psymtab->n_global_syms) | |
2036 | { | |
d320c2b5 TT |
2037 | auto p = &(objfile->partial_symtabs |
2038 | ->global_psymbols[psymtab->globals_offset]); | |
99d89cde TT |
2039 | |
2040 | printf_filtered | |
2041 | ("(* (struct partial_symbol **) %s @ %d)\n", | |
2042 | host_address_to_string (p), | |
2043 | psymtab->n_global_syms); | |
2044 | } | |
2045 | else | |
2046 | printf_filtered ("(none)\n"); | |
2047 | printf_filtered (" statics "); | |
2048 | if (psymtab->n_static_syms) | |
2049 | { | |
d320c2b5 TT |
2050 | auto p = &(objfile->partial_symtabs |
2051 | ->static_psymbols[psymtab->statics_offset]); | |
99d89cde TT |
2052 | |
2053 | printf_filtered | |
2054 | ("(* (struct partial_symbol **) %s @ %d)\n", | |
2055 | host_address_to_string (p), | |
2056 | psymtab->n_static_syms); | |
2057 | } | |
2058 | else | |
2059 | printf_filtered ("(none)\n"); | |
2060 | printf_filtered (" dependencies "); | |
2061 | if (psymtab->number_of_dependencies) | |
2062 | { | |
2063 | int i; | |
2064 | ||
2065 | printf_filtered ("{\n"); | |
2066 | for (i = 0; i < psymtab->number_of_dependencies; i++) | |
2067 | { | |
2068 | struct partial_symtab *dep = psymtab->dependencies[i]; | |
2069 | ||
2070 | /* Note the string concatenation there --- no | |
2071 | comma. */ | |
2072 | printf_filtered (" psymtab %s " | |
2073 | "((struct partial_symtab *) %s)\n", | |
2074 | dep->filename, | |
2075 | host_address_to_string (dep)); | |
2076 | } | |
2077 | printf_filtered (" }\n"); | |
2078 | } | |
2079 | else | |
2080 | printf_filtered ("(none)\n"); | |
2081 | printf_filtered (" }\n"); | |
2082 | } | |
2083 | } | |
ccefe4c4 | 2084 | |
99d89cde TT |
2085 | if (printed_objfile_start) |
2086 | printf_filtered ("}\n"); | |
2087 | } | |
ccefe4c4 TT |
2088 | } |
2089 | ||
7d0c9981 | 2090 | /* Check consistency of currently expanded psymtabs vs symtabs. */ |
ccefe4c4 | 2091 | |
dfc7bb5b | 2092 | static void |
990b9f9f | 2093 | maintenance_check_psymtabs (const char *ignore, int from_tty) |
ccefe4c4 TT |
2094 | { |
2095 | struct symbol *sym; | |
43f3e411 | 2096 | struct compunit_symtab *cust = NULL; |
346d1dfe | 2097 | const struct blockvector *bv; |
582942f4 | 2098 | const struct block *b; |
ccefe4c4 TT |
2099 | int length; |
2100 | ||
2030c079 | 2101 | for (objfile *objfile : current_program_space->objfiles ()) |
b22a7c6a | 2102 | for (partial_symtab *ps : require_partial_symbols (objfile, 1)) |
7d0c9981 | 2103 | { |
aed57c53 | 2104 | struct gdbarch *gdbarch = get_objfile_arch (objfile); |
7d0c9981 | 2105 | |
aed57c53 TT |
2106 | /* We don't call psymtab_to_symtab here because that may cause symtab |
2107 | expansion. When debugging a problem it helps if checkers leave | |
2108 | things unchanged. */ | |
2109 | cust = ps->compunit_symtab; | |
2110 | ||
2111 | /* First do some checks that don't require the associated symtab. */ | |
2112 | if (ps->text_high (objfile) < ps->text_low (objfile)) | |
ccefe4c4 | 2113 | { |
aed57c53 | 2114 | printf_filtered ("Psymtab "); |
ccefe4c4 | 2115 | puts_filtered (ps->filename); |
aed57c53 TT |
2116 | printf_filtered (" covers bad range "); |
2117 | fputs_filtered (paddress (gdbarch, ps->text_low (objfile)), | |
2118 | gdb_stdout); | |
2119 | printf_filtered (" - "); | |
2120 | fputs_filtered (paddress (gdbarch, ps->text_high (objfile)), | |
2121 | gdb_stdout); | |
2122 | printf_filtered ("\n"); | |
2123 | continue; | |
ccefe4c4 | 2124 | } |
aed57c53 TT |
2125 | |
2126 | /* Now do checks requiring the associated symtab. */ | |
2127 | if (cust == NULL) | |
2128 | continue; | |
2129 | bv = COMPUNIT_BLOCKVECTOR (cust); | |
2130 | b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); | |
d320c2b5 TT |
2131 | partial_symbol **psym |
2132 | = &objfile->partial_symtabs->static_psymbols[ps->statics_offset]; | |
aed57c53 TT |
2133 | length = ps->n_static_syms; |
2134 | while (length--) | |
2135 | { | |
2136 | sym = block_lookup_symbol (b, symbol_search_name (*psym), | |
2137 | symbol_name_match_type::SEARCH_NAME, | |
2138 | (*psym)->domain); | |
2139 | if (!sym) | |
2140 | { | |
2141 | printf_filtered ("Static symbol `"); | |
2142 | puts_filtered ((*psym)->name); | |
2143 | printf_filtered ("' only found in "); | |
2144 | puts_filtered (ps->filename); | |
2145 | printf_filtered (" psymtab\n"); | |
2146 | } | |
2147 | psym++; | |
2148 | } | |
2149 | b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
d320c2b5 | 2150 | psym = &objfile->partial_symtabs->global_psymbols[ps->globals_offset]; |
aed57c53 TT |
2151 | length = ps->n_global_syms; |
2152 | while (length--) | |
ccefe4c4 | 2153 | { |
aed57c53 TT |
2154 | sym = block_lookup_symbol (b, symbol_search_name (*psym), |
2155 | symbol_name_match_type::SEARCH_NAME, | |
2156 | (*psym)->domain); | |
2157 | if (!sym) | |
2158 | { | |
2159 | printf_filtered ("Global symbol `"); | |
2160 | puts_filtered ((*psym)->name); | |
2161 | printf_filtered ("' only found in "); | |
2162 | puts_filtered (ps->filename); | |
2163 | printf_filtered (" psymtab\n"); | |
2164 | } | |
2165 | psym++; | |
2166 | } | |
2167 | if (ps->raw_text_high () != 0 | |
2168 | && (ps->text_low (objfile) < BLOCK_START (b) | |
2169 | || ps->text_high (objfile) > BLOCK_END (b))) | |
2170 | { | |
2171 | printf_filtered ("Psymtab "); | |
ccefe4c4 | 2172 | puts_filtered (ps->filename); |
aed57c53 TT |
2173 | printf_filtered (" covers "); |
2174 | fputs_filtered (paddress (gdbarch, ps->text_low (objfile)), | |
2175 | gdb_stdout); | |
2176 | printf_filtered (" - "); | |
2177 | fputs_filtered (paddress (gdbarch, ps->text_high (objfile)), | |
2178 | gdb_stdout); | |
2179 | printf_filtered (" but symtab covers only "); | |
2180 | fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout); | |
2181 | printf_filtered (" - "); | |
2182 | fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout); | |
2183 | printf_filtered ("\n"); | |
ccefe4c4 | 2184 | } |
ccefe4c4 | 2185 | } |
ccefe4c4 TT |
2186 | } |
2187 | ||
dfc7bb5b YQ |
2188 | void |
2189 | _initialize_psymtab (void) | |
2190 | { | |
2191 | add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols, _("\ | |
2192 | Print dump of current partial symbol definitions.\n\ | |
48c5e7e2 TT |
2193 | Usage: mt print psymbols [-objfile OBJFILE] [-pc ADDRESS] [--] [OUTFILE]\n\ |
2194 | mt print psymbols [-objfile OBJFILE] [-source SOURCE] [--] [OUTFILE]\n\ | |
34c41c68 DE |
2195 | Entries in the partial symbol table are dumped to file OUTFILE,\n\ |
2196 | or the terminal if OUTFILE is unspecified.\n\ | |
2197 | If ADDRESS is provided, dump only the file for that address.\n\ | |
2198 | If SOURCE is provided, dump only that file's symbols.\n\ | |
2199 | If OBJFILE is provided, dump only that file's minimal symbols."), | |
dfc7bb5b YQ |
2200 | &maintenanceprintlist); |
2201 | ||
2202 | add_cmd ("psymtabs", class_maintenance, maintenance_info_psymtabs, _("\ | |
2203 | List the partial symbol tables for all object files.\n\ | |
2204 | This does not include information about individual partial symbols,\n\ | |
2205 | just the symbol table structures themselves."), | |
2206 | &maintenanceinfolist); | |
2207 | ||
7d0c9981 DE |
2208 | add_cmd ("check-psymtabs", class_maintenance, maintenance_check_psymtabs, |
2209 | _("\ | |
2210 | Check consistency of currently expanded psymtabs versus symtabs."), | |
dfc7bb5b YQ |
2211 | &maintenancelist); |
2212 | } |