GDB (xrefs)

/tmp/gdb-8.1/gdb/symfile-debug.c
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1 /* Debug logging for the symbol file functions for the GNU debugger, GDB.
2
3 Copyright (C) 2013-2018 Free Software Foundation, Inc.
4
5 Contributed by Cygnus Support, using pieces from other GDB modules.
6
7 This file is part of GDB.
8
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
21
22 /* Note: Be careful with functions that can throw errors.
23 We want to see a logging message regardless of whether an error was thrown.
24 This typically means printing a message before calling the real function
25 and then if the function returns a result printing a message after it
26 returns. */
27
28 #include "defs.h"
29 #include "gdbcmd.h"
30 #include "objfiles.h"
31 #include "observer.h"
32 #include "source.h"
33 #include "symtab.h"
34 #include "symfile.h"
35
36 /* We need to save a pointer to the real symbol functions.
37 Plus, the debug versions are malloc'd because we have to NULL out the
38 ones that are NULL in the real copy. */
39
40 struct debug_sym_fns_data
41 {
42 const struct sym_fns *real_sf;
43 struct sym_fns debug_sf;
44 };
45
46 /* We need to record a pointer to the real set of functions for each
47 objfile. */
48 static const struct objfile_data *symfile_debug_objfile_data_key;
49
50 /* If non-zero all calls to the symfile functions are logged. */
51 static int debug_symfile = 0;
52
53 /* Return non-zero if symfile debug logging is installed. */
54
55 static int
56 symfile_debug_installed (struct objfile *objfile)
57 {
58 return (objfile->sf != NULL
59 && objfile_data (objfile, symfile_debug_objfile_data_key) != NULL);
60 }
61
62 /* Utility return the name to print for SYMTAB. */
63
64 static const char *
65 debug_symtab_name (struct symtab *symtab)
66 {
67 return symtab_to_filename_for_display (symtab);
68 }
69
70 /* Debugging version of struct quick_symbol_functions. */
71
72 static int
73 debug_qf_has_symbols (struct objfile *objfile)
74 {
75 const struct debug_sym_fns_data *debug_data
76 = ((const struct debug_sym_fns_data *)
77 objfile_data (objfile, symfile_debug_objfile_data_key));
78 int retval;
79
80 retval = debug_data->real_sf->qf->has_symbols (objfile);
81
82 fprintf_filtered (gdb_stdlog, "qf->has_symbols (%s) = %d\n",
83 objfile_debug_name (objfile), retval);
84
85 return retval;
86 }
87
88 static struct symtab *
89 debug_qf_find_last_source_symtab (struct objfile *objfile)
90 {
91 const struct debug_sym_fns_data *debug_data
92 = ((const struct debug_sym_fns_data *)
93 objfile_data (objfile, symfile_debug_objfile_data_key));
94 struct symtab *retval;
95
96 fprintf_filtered (gdb_stdlog, "qf->find_last_source_symtab (%s)\n",
97 objfile_debug_name (objfile));
98
99 retval = debug_data->real_sf->qf->find_last_source_symtab (objfile);
100
101 fprintf_filtered (gdb_stdlog, "qf->find_last_source_symtab (...) = %s\n",
102 retval ? debug_symtab_name (retval) : "NULL");
103
104 return retval;
105 }
106
107 static void
108 debug_qf_forget_cached_source_info (struct objfile *objfile)
109 {
110 const struct debug_sym_fns_data *debug_data
111 = ((const struct debug_sym_fns_data *)
112 objfile_data (objfile, symfile_debug_objfile_data_key));
113
114 fprintf_filtered (gdb_stdlog, "qf->forget_cached_source_info (%s)\n",
115 objfile_debug_name (objfile));
116
117 debug_data->real_sf->qf->forget_cached_source_info (objfile);
118 }
119
120 static bool
121 debug_qf_map_symtabs_matching_filename
122 (struct objfile *objfile, const char *name, const char *real_path,
123 gdb::function_view<bool (symtab *)> callback)
124 {
125 const struct debug_sym_fns_data *debug_data
126 = ((const struct debug_sym_fns_data *)
127 objfile_data (objfile, symfile_debug_objfile_data_key));
128
129 fprintf_filtered (gdb_stdlog,
130 "qf->map_symtabs_matching_filename (%s, \"%s\", \"%s\", %s)\n",
131 objfile_debug_name (objfile), name,
132 real_path ? real_path : NULL,
133 host_address_to_string (&callback));
134
135 bool retval = (debug_data->real_sf->qf->map_symtabs_matching_filename
136 (objfile, name, real_path, callback));
137
138 fprintf_filtered (gdb_stdlog,
139 "qf->map_symtabs_matching_filename (...) = %d\n",
140 retval);
141
142 return retval;
143 }
144
145 static struct compunit_symtab *
146 debug_qf_lookup_symbol (struct objfile *objfile, int kind, const char *name,
147 domain_enum domain)
148 {
149 const struct debug_sym_fns_data *debug_data
150 = ((const struct debug_sym_fns_data *)
151 objfile_data (objfile, symfile_debug_objfile_data_key));
152 struct compunit_symtab *retval;
153
154 fprintf_filtered (gdb_stdlog,
155 "qf->lookup_symbol (%s, %d, \"%s\", %s)\n",
156 objfile_debug_name (objfile), kind, name,
157 domain_name (domain));
158
159 retval = debug_data->real_sf->qf->lookup_symbol (objfile, kind, name,
160 domain);
161
162 fprintf_filtered (gdb_stdlog, "qf->lookup_symbol (...) = %s\n",
163 retval
164 ? debug_symtab_name (compunit_primary_filetab (retval))
165 : "NULL");
166
167 return retval;
168 }
169
170 static void
171 debug_qf_print_stats (struct objfile *objfile)
172 {
173 const struct debug_sym_fns_data *debug_data
174 = ((const struct debug_sym_fns_data *)
175 objfile_data (objfile, symfile_debug_objfile_data_key));
176
177 fprintf_filtered (gdb_stdlog, "qf->print_stats (%s)\n",
178 objfile_debug_name (objfile));
179
180 debug_data->real_sf->qf->print_stats (objfile);
181 }
182
183 static void
184 debug_qf_dump (struct objfile *objfile)
185 {
186 const struct debug_sym_fns_data *debug_data
187 = ((const struct debug_sym_fns_data *)
188 objfile_data (objfile, symfile_debug_objfile_data_key));
189
190 fprintf_filtered (gdb_stdlog, "qf->dump (%s)\n",
191 objfile_debug_name (objfile));
192
193 debug_data->real_sf->qf->dump (objfile);
194 }
195
196 static void
197 debug_qf_relocate (struct objfile *objfile,
198 const struct section_offsets *new_offsets,
199 const struct section_offsets *delta)
200 {
201 const struct debug_sym_fns_data *debug_data
202 = ((const struct debug_sym_fns_data *)
203 objfile_data (objfile, symfile_debug_objfile_data_key));
204
205 fprintf_filtered (gdb_stdlog, "qf->relocate (%s, %s, %s)\n",
206 objfile_debug_name (objfile),
207 host_address_to_string (new_offsets),
208 host_address_to_string (delta));
209
210 debug_data->real_sf->qf->relocate (objfile, new_offsets, delta);
211 }
212
213 static void
214 debug_qf_expand_symtabs_for_function (struct objfile *objfile,
215 const char *func_name)
216 {
217 const struct debug_sym_fns_data *debug_data
218 = ((const struct debug_sym_fns_data *)
219 objfile_data (objfile, symfile_debug_objfile_data_key));
220
221 fprintf_filtered (gdb_stdlog,
222 "qf->expand_symtabs_for_function (%s, \"%s\")\n",
223 objfile_debug_name (objfile), func_name);
224
225 debug_data->real_sf->qf->expand_symtabs_for_function (objfile, func_name);
226 }
227
228 static void
229 debug_qf_expand_all_symtabs (struct objfile *objfile)
230 {
231 const struct debug_sym_fns_data *debug_data
232 = ((const struct debug_sym_fns_data *)
233 objfile_data (objfile, symfile_debug_objfile_data_key));
234
235 fprintf_filtered (gdb_stdlog, "qf->expand_all_symtabs (%s)\n",
236 objfile_debug_name (objfile));
237
238 debug_data->real_sf->qf->expand_all_symtabs (objfile);
239 }
240
241 static void
242 debug_qf_expand_symtabs_with_fullname (struct objfile *objfile,
243 const char *fullname)
244 {
245 const struct debug_sym_fns_data *debug_data
246 = ((const struct debug_sym_fns_data *)
247 objfile_data (objfile, symfile_debug_objfile_data_key));
248
249 fprintf_filtered (gdb_stdlog,
250 "qf->expand_symtabs_with_fullname (%s, \"%s\")\n",
251 objfile_debug_name (objfile), fullname);
252
253 debug_data->real_sf->qf->expand_symtabs_with_fullname (objfile, fullname);
254 }
255
256 static void
257 debug_qf_map_matching_symbols (struct objfile *objfile,
258 const char *name, domain_enum domain,
259 int global,
260 int (*callback) (struct block *,
261 struct symbol *, void *),
262 void *data,
263 symbol_name_match_type match,
264 symbol_compare_ftype *ordered_compare)
265 {
266 const struct debug_sym_fns_data *debug_data
267 = ((const struct debug_sym_fns_data *)
268 objfile_data (objfile, symfile_debug_objfile_data_key));
269
270 fprintf_filtered (gdb_stdlog,
271 "qf->map_matching_symbols (%s, \"%s\", %s, %d, %s, %s, %s, %s)\n",
272 objfile_debug_name (objfile), name,
273 domain_name (domain), global,
274 host_address_to_string (callback),
275 host_address_to_string (data),
276 plongest ((LONGEST) match),
277 host_address_to_string (ordered_compare));
278
279 debug_data->real_sf->qf->map_matching_symbols (objfile, name,
280 domain, global,
281 callback, data,
282 match,
283 ordered_compare);
284 }
285
286 static void
287 debug_qf_expand_symtabs_matching
288 (struct objfile *objfile,
289 gdb::function_view<expand_symtabs_file_matcher_ftype> file_matcher,
290 const lookup_name_info &lookup_name,
291 gdb::function_view<expand_symtabs_symbol_matcher_ftype> symbol_matcher,
292 gdb::function_view<expand_symtabs_exp_notify_ftype> expansion_notify,
293 enum search_domain kind)
294 {
295 const struct debug_sym_fns_data *debug_data
296 = ((const struct debug_sym_fns_data *)
297 objfile_data (objfile, symfile_debug_objfile_data_key));
298
299 fprintf_filtered (gdb_stdlog,
300 "qf->expand_symtabs_matching (%s, %s, %s, %s, %s)\n",
301 objfile_debug_name (objfile),
302 host_address_to_string (&file_matcher),
303 host_address_to_string (&symbol_matcher),
304 host_address_to_string (&expansion_notify),
305 search_domain_name (kind));
306
307 debug_data->real_sf->qf->expand_symtabs_matching (objfile,
308 file_matcher,
309 lookup_name,
310 symbol_matcher,
311 expansion_notify,
312 kind);
313 }
314
315 static struct compunit_symtab *
316 debug_qf_find_pc_sect_compunit_symtab (struct objfile *objfile,
317 struct bound_minimal_symbol msymbol,
318 CORE_ADDR pc,
319 struct obj_section *section,
320 int warn_if_readin)
321 {
322 const struct debug_sym_fns_data *debug_data
323 = ((const struct debug_sym_fns_data *)
324 objfile_data (objfile, symfile_debug_objfile_data_key));
325 struct compunit_symtab *retval;
326
327 fprintf_filtered (gdb_stdlog,
328 "qf->find_pc_sect_compunit_symtab (%s, %s, %s, %s, %d)\n",
329 objfile_debug_name (objfile),
330 host_address_to_string (msymbol.minsym),
331 hex_string (pc),
332 host_address_to_string (section),
333 warn_if_readin);
334
335 retval
336 = debug_data->real_sf->qf->find_pc_sect_compunit_symtab (objfile, msymbol,
337 pc, section,
338 warn_if_readin);
339
340 fprintf_filtered (gdb_stdlog,
341 "qf->find_pc_sect_compunit_symtab (...) = %s\n",
342 retval
343 ? debug_symtab_name (compunit_primary_filetab (retval))
344 : "NULL");
345
346 return retval;
347 }
348
349 static void
350 debug_qf_map_symbol_filenames (struct objfile *objfile,
351 symbol_filename_ftype *fun, void *data,
352 int need_fullname)
353 {
354 const struct debug_sym_fns_data *debug_data
355 = ((const struct debug_sym_fns_data *)
356 objfile_data (objfile, symfile_debug_objfile_data_key));
357 fprintf_filtered (gdb_stdlog,
358 "qf->map_symbol_filenames (%s, %s, %s, %d)\n",
359 objfile_debug_name (objfile),
360 host_address_to_string (fun),
361 host_address_to_string (data),
362 need_fullname);
363
364 debug_data->real_sf->qf->map_symbol_filenames (objfile, fun, data,
365 need_fullname);
366 }
367
368 static struct compunit_symtab *
369 debug_qf_find_compunit_symtab_by_address (struct objfile *objfile,
370 CORE_ADDR address)
371 {
372 const struct debug_sym_fns_data *debug_data
373 = ((const struct debug_sym_fns_data *)
374 objfile_data (objfile, symfile_debug_objfile_data_key));
375 fprintf_filtered (gdb_stdlog,
376 "qf->find_compunit_symtab_by_address (%s, %s)\n",
377 objfile_debug_name (objfile),
378 hex_string (address));
379
380 struct compunit_symtab *result = NULL;
381 if (debug_data->real_sf->qf->map_symbol_filenames != NULL)
382 result
383 = debug_data->real_sf->qf->find_compunit_symtab_by_address (objfile,
384 address);
385
386 fprintf_filtered (gdb_stdlog,
387 "qf->find_compunit_symtab_by_address (...) = %s\n",
388 result
389 ? debug_symtab_name (compunit_primary_filetab (result))
390 : "NULL");
391
392 return result;
393 }
394
395 static const struct quick_symbol_functions debug_sym_quick_functions =
396 {
397 debug_qf_has_symbols,
398 debug_qf_find_last_source_symtab,
399 debug_qf_forget_cached_source_info,
400 debug_qf_map_symtabs_matching_filename,
401 debug_qf_lookup_symbol,
402 debug_qf_print_stats,
403 debug_qf_dump,
404 debug_qf_relocate,
405 debug_qf_expand_symtabs_for_function,
406 debug_qf_expand_all_symtabs,
407 debug_qf_expand_symtabs_with_fullname,
408 debug_qf_map_matching_symbols,
409 debug_qf_expand_symtabs_matching,
410 debug_qf_find_pc_sect_compunit_symtab,
411 debug_qf_find_compunit_symtab_by_address,
412 debug_qf_map_symbol_filenames
413 };
414
415 /* Debugging version of struct sym_probe_fns. */
416
417 static const std::vector<probe *> &
418 debug_sym_get_probes (struct objfile *objfile)
419 {
420 const struct debug_sym_fns_data *debug_data
421 = ((const struct debug_sym_fns_data *)
422 objfile_data (objfile, symfile_debug_objfile_data_key));
423
424 const std::vector<probe *> &retval
425 = debug_data->real_sf->sym_probe_fns->sym_get_probes (objfile);
426
427 fprintf_filtered (gdb_stdlog,
428 "probes->sym_get_probes (%s) = %s\n",
429 objfile_debug_name (objfile),
430 host_address_to_string (retval.data ()));
431
432 return retval;
433 }
434
435 static const struct sym_probe_fns debug_sym_probe_fns =
436 {
437 debug_sym_get_probes,
438 };
439
440 /* Debugging version of struct sym_fns. */
441
442 static void
443 debug_sym_new_init (struct objfile *objfile)
444 {
445 const struct debug_sym_fns_data *debug_data
446 = ((const struct debug_sym_fns_data *)
447 objfile_data (objfile, symfile_debug_objfile_data_key));
448
449 fprintf_filtered (gdb_stdlog, "sf->sym_new_init (%s)\n",
450 objfile_debug_name (objfile));
451
452 debug_data->real_sf->sym_new_init (objfile);
453 }
454
455 static void
456 debug_sym_init (struct objfile *objfile)
457 {
458 const struct debug_sym_fns_data *debug_data
459 = ((const struct debug_sym_fns_data *)
460 objfile_data (objfile, symfile_debug_objfile_data_key));
461
462 fprintf_filtered (gdb_stdlog, "sf->sym_init (%s)\n",
463 objfile_debug_name (objfile));
464
465 debug_data->real_sf->sym_init (objfile);
466 }
467
468 static void
469 debug_sym_read (struct objfile *objfile, symfile_add_flags symfile_flags)
470 {
471 const struct debug_sym_fns_data *debug_data
472 = ((const struct debug_sym_fns_data *)
473 objfile_data (objfile, symfile_debug_objfile_data_key));
474
475 fprintf_filtered (gdb_stdlog, "sf->sym_read (%s, 0x%x)\n",
476 objfile_debug_name (objfile), (unsigned) symfile_flags);
477
478 debug_data->real_sf->sym_read (objfile, symfile_flags);
479 }
480
481 static void
482 debug_sym_read_psymbols (struct objfile *objfile)
483 {
484 const struct debug_sym_fns_data *debug_data
485 = ((const struct debug_sym_fns_data *)
486 objfile_data (objfile, symfile_debug_objfile_data_key));
487
488 fprintf_filtered (gdb_stdlog, "sf->sym_read_psymbols (%s)\n",
489 objfile_debug_name (objfile));
490
491 debug_data->real_sf->sym_read_psymbols (objfile);
492 }
493
494 static void
495 debug_sym_finish (struct objfile *objfile)
496 {
497 const struct debug_sym_fns_data *debug_data
498 = ((const struct debug_sym_fns_data *)
499 objfile_data (objfile, symfile_debug_objfile_data_key));
500
501 fprintf_filtered (gdb_stdlog, "sf->sym_finish (%s)\n",
502 objfile_debug_name (objfile));
503
504 debug_data->real_sf->sym_finish (objfile);
505 }
506
507 static void
508 debug_sym_offsets (struct objfile *objfile,
509 const struct section_addr_info *info)
510 {
511 const struct debug_sym_fns_data *debug_data
512 = ((const struct debug_sym_fns_data *)
513 objfile_data (objfile, symfile_debug_objfile_data_key));
514
515 fprintf_filtered (gdb_stdlog, "sf->sym_offsets (%s, %s)\n",
516 objfile_debug_name (objfile),
517 host_address_to_string (info));
518
519 debug_data->real_sf->sym_offsets (objfile, info);
520 }
521
522 static struct symfile_segment_data *
523 debug_sym_segments (bfd *abfd)
524 {
525 /* This API function is annoying, it doesn't take a "this" pointer.
526 Fortunately it is only used in one place where we (re-)lookup the
527 sym_fns table to use. Thus we will never be called. */
528 gdb_assert_not_reached ("debug_sym_segments called");
529 }
530
531 static void
532 debug_sym_read_linetable (struct objfile *objfile)
533 {
534 const struct debug_sym_fns_data *debug_data
535 = ((const struct debug_sym_fns_data *)
536 objfile_data (objfile, symfile_debug_objfile_data_key));
537
538 fprintf_filtered (gdb_stdlog, "sf->sym_read_linetable (%s)\n",
539 objfile_debug_name (objfile));
540
541 debug_data->real_sf->sym_read_linetable (objfile);
542 }
543
544 static bfd_byte *
545 debug_sym_relocate (struct objfile *objfile, asection *sectp, bfd_byte *buf)
546 {
547 const struct debug_sym_fns_data *debug_data
548 = ((const struct debug_sym_fns_data *)
549 objfile_data (objfile, symfile_debug_objfile_data_key));
550 bfd_byte *retval;
551
552 retval = debug_data->real_sf->sym_relocate (objfile, sectp, buf);
553
554 fprintf_filtered (gdb_stdlog,
555 "sf->sym_relocate (%s, %s, %s) = %s\n",
556 objfile_debug_name (objfile),
557 host_address_to_string (sectp),
558 host_address_to_string (buf),
559 host_address_to_string (retval));
560
561 return retval;
562 }
563
564 /* Template of debugging version of struct sym_fns.
565 A copy is made, with sym_flavour updated, and a pointer to the real table
566 installed in real_sf, and then a pointer to the copy is installed in the
567 objfile. */
568
569 static const struct sym_fns debug_sym_fns =
570 {
571 debug_sym_new_init,
572 debug_sym_init,
573 debug_sym_read,
574 debug_sym_read_psymbols,
575 debug_sym_finish,
576 debug_sym_offsets,
577 debug_sym_segments,
578 debug_sym_read_linetable,
579 debug_sym_relocate,
580 &debug_sym_probe_fns,
581 &debug_sym_quick_functions
582 };
583
584 /* Free the copy of sym_fns recorded in the registry. */
585
586 static void
587 symfile_debug_free_objfile (struct objfile *objfile, void *datum)
588 {
589 xfree (datum);
590 }
591
592 /* Install the debugging versions of the symfile functions for OBJFILE.
593 Do not call this if the debug versions are already installed. */
594
595 static void
596 install_symfile_debug_logging (struct objfile *objfile)
597 {
598 const struct sym_fns *real_sf;
599 struct debug_sym_fns_data *debug_data;
600
601 /* The debug versions should not already be installed. */
602 gdb_assert (!symfile_debug_installed (objfile));
603
604 real_sf = objfile->sf;
605
606 /* Alas we have to preserve NULL entries in REAL_SF. */
607 debug_data = XCNEW (struct debug_sym_fns_data);
608
609 #define COPY_SF_PTR(from, to, name, func) \
610 do { \
611 if ((from)->name) \
612 (to)->debug_sf.name = func; \
613 } while (0)
614
615 COPY_SF_PTR (real_sf, debug_data, sym_new_init, debug_sym_new_init);
616 COPY_SF_PTR (real_sf, debug_data, sym_init, debug_sym_init);
617 COPY_SF_PTR (real_sf, debug_data, sym_read, debug_sym_read);
618 COPY_SF_PTR (real_sf, debug_data, sym_read_psymbols,
619 debug_sym_read_psymbols);
620 COPY_SF_PTR (real_sf, debug_data, sym_finish, debug_sym_finish);
621 COPY_SF_PTR (real_sf, debug_data, sym_offsets, debug_sym_offsets);
622 COPY_SF_PTR (real_sf, debug_data, sym_segments, debug_sym_segments);
623 COPY_SF_PTR (real_sf, debug_data, sym_read_linetable,
624 debug_sym_read_linetable);
625 COPY_SF_PTR (real_sf, debug_data, sym_relocate, debug_sym_relocate);
626 if (real_sf->sym_probe_fns)
627 debug_data->debug_sf.sym_probe_fns = &debug_sym_probe_fns;
628 debug_data->debug_sf.qf = &debug_sym_quick_functions;
629
630 #undef COPY_SF_PTR
631
632 debug_data->real_sf = real_sf;
633 set_objfile_data (objfile, symfile_debug_objfile_data_key, debug_data);
634 objfile->sf = &debug_data->debug_sf;
635 }
636
637 /* Uninstall the debugging versions of the symfile functions for OBJFILE.
638 Do not call this if the debug versions are not installed. */
639
640 static void
641 uninstall_symfile_debug_logging (struct objfile *objfile)
642 {
643 struct debug_sym_fns_data *debug_data;
644
645 /* The debug versions should be currently installed. */
646 gdb_assert (symfile_debug_installed (objfile));
647
648 debug_data = ((struct debug_sym_fns_data *)
649 objfile_data (objfile, symfile_debug_objfile_data_key));
650
651 objfile->sf = debug_data->real_sf;
652 xfree (debug_data);
653 set_objfile_data (objfile, symfile_debug_objfile_data_key, NULL);
654 }
655
656 /* Call this function to set OBJFILE->SF.
657 Do not set OBJFILE->SF directly. */
658
659 void
660 objfile_set_sym_fns (struct objfile *objfile, const struct sym_fns *sf)
661 {
662 if (symfile_debug_installed (objfile))
663 {
664 gdb_assert (debug_symfile);
665 /* Remove the current one, and reinstall a new one later. */
666 uninstall_symfile_debug_logging (objfile);
667 }
668
669 /* Assume debug logging is disabled. */
670 objfile->sf = sf;
671
672 /* Turn debug logging on if enabled. */
673 if (debug_symfile)
674 install_symfile_debug_logging (objfile);
675 }
676
677 static void
678 set_debug_symfile (const char *args, int from_tty, struct cmd_list_element *c)
679 {
680 struct program_space *pspace;
681 struct objfile *objfile;
682
683 ALL_PSPACES (pspace)
684 ALL_PSPACE_OBJFILES (pspace, objfile)
685 {
686 if (debug_symfile)
687 {
688 if (!symfile_debug_installed (objfile))
689 install_symfile_debug_logging (objfile);
690 }
691 else
692 {
693 if (symfile_debug_installed (objfile))
694 uninstall_symfile_debug_logging (objfile);
695 }
696 }
697 }
698
699 static void
700 show_debug_symfile (struct ui_file *file, int from_tty,
701 struct cmd_list_element *c, const char *value)
702 {
703 fprintf_filtered (file, _("Symfile debugging is %s.\n"), value);
704 }
705
706 void
707 _initialize_symfile_debug (void)
708 {
709 symfile_debug_objfile_data_key
710 = register_objfile_data_with_cleanup (NULL, symfile_debug_free_objfile);
711
712 add_setshow_boolean_cmd ("symfile", no_class, &debug_symfile, _("\
713 Set debugging of the symfile functions."), _("\
714 Show debugging of the symfile functions."), _("\
715 When enabled, all calls to the symfile functions are logged."),
716 set_debug_symfile, show_debug_symfile,
717 &setdebuglist, &showdebuglist);
718
719 /* Note: We don't need a new-objfile observer because debug logging
720 will be installed when objfile init'n calls objfile_set_sym_fns. */
721 }
quick_symbol_functions::expand_symtabs_matching
void(* expand_symtabs_matching)(struct objfile *objfile, gdb::function_view< expand_symtabs_file_matcher_ftype > file_matcher, const lookup_name_info &lookup_name, gdb::function_view< expand_symtabs_symbol_matcher_ftype > symbol_matcher, gdb::function_view< expand_symtabs_exp_notify_ftype > expansion_notify, enum search_domain kind)
Definition: symfile.h:256
debug_qf_relocate
static void debug_qf_relocate(struct objfile *objfile, const struct section_offsets *new_offsets, const struct section_offsets *delta)
Definition: symfile-debug.c:197
debug_sym_fns_data
Definition: symfile-debug.c:40
hex_string
char * hex_string(LONGEST num)
Definition: print-utils.c:220
debug_qf_map_matching_symbols
static void debug_qf_map_matching_symbols(struct objfile *objfile, const char *name, domain_enum domain, int global, int(*callback)(struct block *, struct symbol *, void *), void *data, symbol_name_match_type match, symbol_compare_ftype *ordered_compare)
Definition: symfile-debug.c:257
debug_sym_probe_fns
static const struct sym_probe_fns debug_sym_probe_fns
Definition: symfile-debug.c:435
symtab_to_filename_for_display
const char * symtab_to_filename_for_display(struct symtab *symtab)
Definition: source.c:1168
debug_sym_fns_data::debug_sf
struct sym_fns debug_sf
Definition: symfile-debug.c:43
quick_symbol_functions::forget_cached_source_info
void(* forget_cached_source_info)(struct objfile *objfile)
Definition: symfile.h:148
debug_sym_new_init
static void debug_sym_new_init(struct objfile *objfile)
Definition: symfile-debug.c:443
CORE_ADDR
bfd_vma CORE_ADDR
Definition: common-types.h:41
xfree
void xfree(void *)
no_class
Definition: command.h:41
debug_qf_expand_symtabs_with_fullname
static void debug_qf_expand_symtabs_with_fullname(struct objfile *objfile, const char *fullname)
Definition: symfile-debug.c:242
cmd_list_element
Definition: cli-decode.h:46
objfile::pspace
struct program_space * pspace
Definition: objfiles.h:315
quick_symbol_functions::map_symtabs_matching_filename
bool(* map_symtabs_matching_filename)(struct objfile *objfile, const char *name, const char *real_path, gdb::function_view< bool(symtab *)> callback)
Definition: symfile.h:163
debug_qf_dump
static void debug_qf_dump(struct objfile *objfile)
Definition: symfile-debug.c:184
plongest
char * plongest(LONGEST l)
Definition: print-utils.c:137
domain_enum
enum domain_enum_tag domain_enum
quick_symbol_functions::find_pc_sect_compunit_symtab
struct compunit_symtab *(* find_pc_sect_compunit_symtab)(struct objfile *objfile, struct bound_minimal_symbol msymbol, CORE_ADDR pc, struct obj_section *section, int warn_if_readin)
Definition: symfile.h:270
debug_qf_forget_cached_source_info
static void debug_qf_forget_cached_source_info(struct objfile *objfile)
Definition: symfile-debug.c:108
objfile_set_sym_fns
void objfile_set_sym_fns(struct objfile *objfile, const struct sym_fns *sf)
Definition: symfile-debug.c:660
debug_sym_finish
static void debug_sym_finish(struct objfile *objfile)
Definition: symfile-debug.c:495
quick_symbol_functions::expand_symtabs_with_fullname
void(* expand_symtabs_with_fullname)(struct objfile *objfile, const char *fullname)
Definition: symfile.h:208
quick_symbol_functions::print_stats
void(* print_stats)(struct objfile *objfile)
Definition: symfile.h:183
quick_symbol_functions::find_compunit_symtab_by_address
struct compunit_symtab *(* find_compunit_symtab_by_address)(struct objfile *objfile, CORE_ADDR address)
Definition: symfile.h:279
selftests::scoped_restore_tests::global
static int global
Definition: scoped_restore-selftests.c:30
debug_qf_lookup_symbol
static struct compunit_symtab * debug_qf_lookup_symbol(struct objfile *objfile, int kind, const char *name, domain_enum domain)
Definition: symfile-debug.c:146
compunit_symtab
Definition: symtab.h:1380
search_domain
search_domain
Definition: symtab.h:773
_
#define _(String)
Definition: gdb_locale.h:35
ui_file
Definition: ui-file.h:26
debug_sym_read
static void debug_sym_read(struct objfile *objfile, symfile_add_flags symfile_flags)
Definition: symfile-debug.c:469
defs.h
symbol_compare_ftype
int() symbol_compare_ftype(const char *string1, const char *string2)
Definition: symfile.h:45
debug_qf_find_last_source_symtab
static struct symtab * debug_qf_find_last_source_symtab(struct objfile *objfile)
Definition: symfile-debug.c:89
sym_fns::sym_probe_fns
const struct sym_probe_fns * sym_probe_fns
Definition: symfile.h:365
search_domain_name
const char * search_domain_name(enum search_domain e)
Definition: symtab.c:277
objfiles.h
host_address_to_string
#define host_address_to_string(ADDR)
Definition: print-utils.h:75
debug_qf_has_symbols
static int debug_qf_has_symbols(struct objfile *objfile)
Definition: symfile-debug.c:73
quick_symbol_functions::lookup_symbol
struct compunit_symtab *(* lookup_symbol)(struct objfile *objfile, int block_index, const char *name, domain_enum domain)
Definition: symfile.h:176
debug_symtab_name
static const char * debug_symtab_name(struct symtab *symtab)
Definition: symfile-debug.c:65
observer.h
debug_qf_expand_symtabs_for_function
static void debug_qf_expand_symtabs_for_function(struct objfile *objfile, const char *func_name)
Definition: symfile-debug.c:214
symtab.h
set_debug_symfile
static void set_debug_symfile(const char *args, int from_tty, struct cmd_list_element *c)
Definition: symfile-debug.c:678
symfile_debug_installed
static int symfile_debug_installed(struct objfile *objfile)
Definition: symfile-debug.c:56
debug_symfile
static int debug_symfile
Definition: symfile-debug.c:51
name
const char *const name
Definition: aarch64-tdep.c:76
debug_sym_fns
static const struct sym_fns debug_sym_fns
Definition: symfile-debug.c:569
section_offsets
Definition: symtab.h:1271
sym_probe_fns::sym_get_probes
const std::vector< probe * > &(* sym_get_probes)(struct objfile *)
Definition: symfile.h:296
debug_qf_expand_all_symtabs
static void debug_qf_expand_all_symtabs(struct objfile *objfile)
Definition: symfile-debug.c:229
sym_fns
Definition: symfile.h:302
objfile::objfile
objfile(bfd *, const char *, objfile_flags)
Definition: objfiles.c:373
fprintf_filtered
void fprintf_filtered(struct ui_file *stream, const char *format,...)
Definition: utils.c:2008
debug_sym_quick_functions
static const struct quick_symbol_functions debug_sym_quick_functions
Definition: symfile-debug.c:395
bound_minimal_symbol
Definition: minsyms.h:29
debug_sym_offsets
static void debug_sym_offsets(struct objfile *objfile, const struct section_addr_info *info)
Definition: symfile-debug.c:508
debug_qf_map_symbol_filenames
static void debug_qf_map_symbol_filenames(struct objfile *objfile, symbol_filename_ftype *fun, void *data, int need_fullname)
Definition: symfile-debug.c:350
compunit_primary_filetab
struct symtab * compunit_primary_filetab(const struct compunit_symtab *cust)
Definition: symtab.c:292
debug_qf_find_pc_sect_compunit_symtab
static struct compunit_symtab * debug_qf_find_pc_sect_compunit_symtab(struct objfile *objfile, struct bound_minimal_symbol msymbol, CORE_ADDR pc, struct obj_section *section, int warn_if_readin)
Definition: symfile-debug.c:316
_initialize_symfile_debug
void _initialize_symfile_debug(void)
Definition: symfile-debug.c:707
gdb_assert_not_reached
#define gdb_assert_not_reached(message)
Definition: gdb_assert.h:55
objfile::sf
const struct sym_fns * sf
Definition: objfiles.h:381
sym_fns::sym_new_init
void(* sym_new_init)(struct objfile *)
Definition: symfile.h:308
quick_symbol_functions::dump
void(* dump)(struct objfile *objfile)
Definition: symfile.h:187
quick_symbol_functions::find_last_source_symtab
struct symtab *(* find_last_source_symtab)(struct objfile *objfile)
Definition: symfile.h:145
quick_symbol_functions::expand_all_symtabs
void(* expand_all_symtabs)(struct objfile *objfile)
Definition: symfile.h:201
debug_qf_map_symtabs_matching_filename
static bool debug_qf_map_symtabs_matching_filename(struct objfile *objfile, const char *name, const char *real_path, gdb::function_view< bool(symtab *)> callback)
Definition: symfile-debug.c:122
domain_name
const char * domain_name(domain_enum e)
Definition: symtab.c:260
quick_symbol_functions::expand_symtabs_for_function
void(* expand_symtabs_for_function)(struct objfile *objfile, const char *func_name)
Definition: symfile.h:197
sym_fns::sym_offsets
void(* sym_offsets)(struct objfile *, const struct section_addr_info *)
Definition: symfile.h:343
setdebuglist
struct cmd_list_element * setdebuglist
Definition: cli-cmds.c:153
sym_fns::sym_finish
void(* sym_finish)(struct objfile *)
Definition: symfile.h:334
symtab
Definition: symtab.h:1291
debug_qf_find_compunit_symtab_by_address
static struct compunit_symtab * debug_qf_find_compunit_symtab_by_address(struct objfile *objfile, CORE_ADDR address)
Definition: symfile-debug.c:369
quick_symbol_functions::relocate
void(* relocate)(struct objfile *objfile, const struct section_offsets *new_offsets, const struct section_offsets *delta)
Definition: symfile.h:191
sym_fns::sym_read_psymbols
void(* sym_read_psymbols)(struct objfile *)
Definition: symfile.h:328
symfile_segment_data
Definition: symfile.h:76
section_addr_info
Definition: symfile.h:64
gdb_assert
#define gdb_assert(expr)
Definition: gdb_assert.h:32
block
Definition: block.h:60
value
Definition: value.c:169
debug_qf_expand_symtabs_matching
static void debug_qf_expand_symtabs_matching(struct objfile *objfile, gdb::function_view< expand_symtabs_file_matcher_ftype > file_matcher, const lookup_name_info &lookup_name, gdb::function_view< expand_symtabs_symbol_matcher_ftype > symbol_matcher, gdb::function_view< expand_symtabs_exp_notify_ftype > expansion_notify, enum search_domain kind)
Definition: symfile-debug.c:288
objfile
Definition: objfiles.h:286
obj_section
Definition: objfiles.h:123
quick_symbol_functions
Definition: symfile.h:137
sym_fns::sym_read_linetable
void(* sym_read_linetable)(struct objfile *)
Definition: symfile.h:355
source.h
ALL_PSPACES
#define ALL_PSPACES(pspace)
Definition: progspace.h:243
install_symfile_debug_logging
static void install_symfile_debug_logging(struct objfile *objfile)
Definition: symfile-debug.c:596
gdb::function_view
Definition: function-view.h:177
debug_sym_get_probes
static const std::vector< probe * > & debug_sym_get_probes(struct objfile *objfile)
Definition: symfile-debug.c:418
XCNEW
#define XCNEW(T)
Definition: poison.h:121
show_debug_symfile
static void show_debug_symfile(struct ui_file *file, int from_tty, struct cmd_list_element *c, const char *value)
Definition: symfile-debug.c:700
bound_minimal_symbol::minsym
struct minimal_symbol * minsym
Definition: minsyms.h:34
add_setshow_boolean_cmd
void add_setshow_boolean_cmd(const char *name, enum command_class theclass, int *var, const char *set_doc, const char *show_doc, const char *help_doc, cmd_const_sfunc_ftype *set_func, show_value_ftype *show_func, struct cmd_list_element **set_list, struct cmd_list_element **show_list)
Definition: cli-decode.c:569
objfile_debug_name
const char * objfile_debug_name(const struct objfile *objfile)
Definition: objfiles.c:1579
COPY_SF_PTR
#define COPY_SF_PTR(from, to, name, func)
uninstall_symfile_debug_logging
static void uninstall_symfile_debug_logging(struct objfile *objfile)
Definition: symfile-debug.c:641
debug_sym_read_psymbols
static void debug_sym_read_psymbols(struct objfile *objfile)
Definition: symfile-debug.c:482
debug_sym_segments
static struct symfile_segment_data * debug_sym_segments(bfd *abfd)
Definition: symfile-debug.c:523
gdb_stdlog
#define gdb_stdlog
Definition: utils.h:349
symbol
Definition: symtab.h:1049
debug_qf_print_stats
static void debug_qf_print_stats(struct objfile *objfile)
Definition: symfile-debug.c:171
symfile_debug_objfile_data_key
static const struct objfile_data * symfile_debug_objfile_data_key
Definition: symfile-debug.c:48
showdebuglist
struct cmd_list_element * showdebuglist
Definition: cli-cmds.c:155
quick_symbol_functions::map_matching_symbols
void(* map_matching_symbols)(struct objfile *, const char *name, domain_enum domain, int global, int(*callback)(struct block *, struct symbol *, void *), void *data, symbol_name_match_type match, symbol_compare_ftype *ordered_compare)
Definition: symfile.h:228
debug_sym_read_linetable
static void debug_sym_read_linetable(struct objfile *objfile)
Definition: symfile-debug.c:532
sym_fns::sym_init
void(* sym_init)(struct objfile *)
Definition: symfile.h:314
sym_fns::qf
const struct quick_symbol_functions * qf
Definition: symfile.h:369
debug_sym_fns_data::real_sf
const struct sym_fns * real_sf
Definition: symfile-debug.c:42
quick_symbol_functions::has_symbols
int(* has_symbols)(struct objfile *objfile)
Definition: symfile.h:141
lookup_name_info
Definition: symtab.h:179
debug_sym_relocate
static bfd_byte * debug_sym_relocate(struct objfile *objfile, asection *sectp, bfd_byte *buf)
Definition: symfile-debug.c:545
ALL_PSPACE_OBJFILES
#define ALL_PSPACE_OBJFILES(ss, obj)
Definition: objfiles.h:579
gdbcmd.h
sym_fns::sym_relocate
bfd_byte *(* sym_relocate)(struct objfile *, asection *sectp, bfd_byte *buf)
Definition: symfile.h:361
symfile_debug_free_objfile
static void symfile_debug_free_objfile(struct objfile *objfile, void *datum)
Definition: symfile-debug.c:587
LONGEST
long long LONGEST
Definition: common-types.h:52
program_space
Definition: progspace.h:137
symfile.h
symbol_name_match_type
symbol_name_match_type
Definition: symtab.h:52
sym_fns::sym_read
void(* sym_read)(struct objfile *, symfile_add_flags)
Definition: symfile.h:321
debug_sym_init
static void debug_sym_init(struct objfile *objfile)
Definition: symfile-debug.c:456
sym_probe_fns
Definition: symfile.h:293
quick_symbol_functions::map_symbol_filenames
void(* map_symbol_filenames)(struct objfile *objfile, symbol_filename_ftype *fun, void *data, int need_fullname)
Definition: symfile.h:285
symbol_filename_ftype
void() symbol_filename_ftype(const char *filename, const char *fullname, void *data)
Definition: symfile.h:100