GDB (xrefs)

/tmp/gdb-8.1/gdb/symfile.h
Go to the documentation of this file.
1 /* Definitions for reading symbol files into GDB.
2
3 Copyright (C) 1990-2018 Free Software Foundation, Inc.
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 #if !defined (SYMFILE_H)
21 #define SYMFILE_H
22
23 /* This file requires that you first include "bfd.h". */
24 #include "symtab.h"
25 #include "probe.h"
26 #include "symfile-add-flags.h"
27 #include "objfile-flags.h"
28 #include "gdb_bfd.h"
29 #include "common/function-view.h"
30
31 /* Opaque declarations. */
32 struct target_section;
33 struct objfile;
34 struct obj_section;
35 struct obstack;
36 struct block;
37 struct value;
38 struct frame_info;
39 struct agent_expr;
40 struct axs_value;
41 class probe;
42
43 /* Comparison function for symbol look ups. */
44
45 typedef int (symbol_compare_ftype) (const char *string1,
46 const char *string2);
47
48 struct other_sections
49 {
50 CORE_ADDR addr;
51 char *name;
52
53 /* SECTINDEX must be valid for associated BFD or set to -1. */
54 int sectindex;
55 };
56
57 /* Define an array of addresses to accommodate non-contiguous dynamic
58 loading of modules. This is for use when entering commands, so we
59 can keep track of the section names until we read the file and can
60 map them to bfd sections. This structure is also used by solib.c
61 to communicate the section addresses in shared objects to
62 symbol_file_add (). */
63
64 struct section_addr_info
65 {
66 /* The number of sections for which address information is
67 available. */
68 size_t num_sections;
69 /* Sections whose names are file format dependent. */
70 struct other_sections other[1];
71 };
72
73
74 /* A table listing the load segments in a symfile, and which segment
75 each BFD section belongs to. */
76 struct symfile_segment_data
77 {
78 /* How many segments are present in this file. If there are
79 two, the text segment is the first one and the data segment
80 is the second one. */
81 int num_segments;
82
83 /* If NUM_SEGMENTS is greater than zero, the original base address
84 of each segment. */
85 CORE_ADDR *segment_bases;
86
87 /* If NUM_SEGMENTS is greater than zero, the memory size of each
88 segment. */
89 CORE_ADDR *segment_sizes;
90
91 /* If NUM_SEGMENTS is greater than zero, this is an array of entries
92 recording which segment contains each BFD section.
93 SEGMENT_INFO[I] is S+1 if the I'th BFD section belongs to segment
94 S, or zero if it is not in any segment. */
95 int *segment_info;
96 };
97
98 /* Callback for quick_symbol_functions->map_symbol_filenames. */
99
100 typedef void (symbol_filename_ftype) (const char *filename,
101 const char *fullname, void *data);
102
103 /* Callback for quick_symbol_functions->expand_symtabs_matching
104 to match a file name. */
105
106 typedef bool (expand_symtabs_file_matcher_ftype) (const char *filename,
107 bool basenames);
108
109 /* Callback for quick_symbol_functions->expand_symtabs_matching
110 to match a symbol name. */
111
112 typedef bool (expand_symtabs_symbol_matcher_ftype) (const char *name);
113
114 /* Callback for quick_symbol_functions->expand_symtabs_matching
115 to be called after a symtab has been expanded. */
116
117 typedef void (expand_symtabs_exp_notify_ftype) (compunit_symtab *symtab);
118
119 /* The "quick" symbol functions exist so that symbol readers can
120 avoiding an initial read of all the symbols. For example, symbol
121 readers might choose to use the "partial symbol table" utilities,
122 which is one implementation of the quick symbol functions.
123
124 The quick symbol functions are generally opaque: the underlying
125 representation is hidden from the caller.
126
127 In general, these functions should only look at whatever special
128 index the symbol reader creates -- looking through the symbol
129 tables themselves is handled by generic code. If a function is
130 defined as returning a "symbol table", this means that the function
131 should only return a newly-created symbol table; it should not
132 examine pre-existing ones.
133
134 The exact list of functions here was determined in an ad hoc way
135 based on gdb's history. */
136
137 struct quick_symbol_functions
138 {
139 /* Return true if this objfile has any "partial" symbols
140 available. */
141 int (*has_symbols) (struct objfile *objfile);
142
143 /* Return the symbol table for the "last" file appearing in
144 OBJFILE. */
145 struct symtab *(*find_last_source_symtab) (struct objfile *objfile);
146
147 /* Forget all cached full file names for OBJFILE. */
148 void (*forget_cached_source_info) (struct objfile *objfile);
149
150 /* Expand and iterate over each "partial" symbol table in OBJFILE
151 where the source file is named NAME.
152
153 If NAME is not absolute, a match after a '/' in the symbol table's
154 file name will also work, REAL_PATH is NULL then. If NAME is
155 absolute then REAL_PATH is non-NULL absolute file name as resolved
156 via gdb_realpath from NAME.
157
158 If a match is found, the "partial" symbol table is expanded.
159 Then, this calls iterate_over_some_symtabs (or equivalent) over
160 all newly-created symbol tables, passing CALLBACK to it.
161 The result of this call is returned. */
162 bool (*map_symtabs_matching_filename)
163 (struct objfile *objfile, const char *name, const char *real_path,
164 gdb::function_view<bool (symtab *)> callback);
165
166 /* Check to see if the symbol is defined in a "partial" symbol table
167 of OBJFILE. BLOCK_INDEX should be either GLOBAL_BLOCK or STATIC_BLOCK,
168 depending on whether we want to search global symbols or static
169 symbols. NAME is the name of the symbol to look for. DOMAIN
170 indicates what sort of symbol to search for.
171
172 Returns the newly-expanded compunit in which the symbol is
173 defined, or NULL if no such symbol table exists. If OBJFILE
174 contains !TYPE_OPAQUE symbol prefer its compunit. If it contains
175 only TYPE_OPAQUE symbol(s), return at least that compunit. */
176 struct compunit_symtab *(*lookup_symbol) (struct objfile *objfile,
177 int block_index, const char *name,
178 domain_enum domain);
179
180 /* Print statistics about any indices loaded for OBJFILE. The
181 statistics should be printed to gdb_stdout. This is used for
182 "maint print statistics". */
183 void (*print_stats) (struct objfile *objfile);
184
185 /* Dump any indices loaded for OBJFILE. The dump should go to
186 gdb_stdout. This is used for "maint print objfiles". */
187 void (*dump) (struct objfile *objfile);
188
189 /* This is called by objfile_relocate to relocate any indices loaded
190 for OBJFILE. */
191 void (*relocate) (struct objfile *objfile,
192 const struct section_offsets *new_offsets,
193 const struct section_offsets *delta);
194
195 /* Find all the symbols in OBJFILE named FUNC_NAME, and ensure that
196 the corresponding symbol tables are loaded. */
197 void (*expand_symtabs_for_function) (struct objfile *objfile,
198 const char *func_name);
199
200 /* Read all symbol tables associated with OBJFILE. */
201 void (*expand_all_symtabs) (struct objfile *objfile);
202
203 /* Read all symbol tables associated with OBJFILE which have
204 symtab_to_fullname equal to FULLNAME.
205 This is for the purposes of examining code only, e.g., expand_line_sal.
206 The routine may ignore debug info that is known to not be useful with
207 code, e.g., DW_TAG_type_unit for dwarf debug info. */
208 void (*expand_symtabs_with_fullname) (struct objfile *objfile,
209 const char *fullname);
210
211 /* Find global or static symbols in all tables that are in DOMAIN
212 and for which MATCH (symbol name, NAME) == 0, passing each to
213 CALLBACK, reading in partial symbol tables as needed. Look
214 through global symbols if GLOBAL and otherwise static symbols.
215 Passes NAME, NAMESPACE, and DATA to CALLBACK with each symbol
216 found. After each block is processed, passes NULL to CALLBACK.
217 MATCH must be weaker than strcmp_iw_ordered in the sense that
218 strcmp_iw_ordered(x,y) == 0 --> MATCH(x,y) == 0. ORDERED_COMPARE,
219 if non-null, must be an ordering relation compatible with
220 strcmp_iw_ordered in the sense that
221 strcmp_iw_ordered(x,y) == 0 --> ORDERED_COMPARE(x,y) == 0
222 and
223 strcmp_iw_ordered(x,y) <= 0 --> ORDERED_COMPARE(x,y) <= 0
224 (allowing strcmp_iw_ordered(x,y) < 0 while ORDERED_COMPARE(x, y) == 0).
225 CALLBACK returns 0 to indicate that the scan should continue, or
226 non-zero to indicate that the scan should be terminated. */
227
228 void (*map_matching_symbols) (struct objfile *,
229 const char *name, domain_enum domain,
230 int global,
231 int (*callback) (struct block *,
232 struct symbol *, void *),
233 void *data,
234 symbol_name_match_type match,
235 symbol_compare_ftype *ordered_compare);
236
237 /* Expand all symbol tables in OBJFILE matching some criteria.
238
239 FILE_MATCHER is called for each file in OBJFILE. The file name
240 is passed to it. If the matcher returns false, the file is
241 skipped. If FILE_MATCHER is NULL the file is not skipped. If
242 BASENAMES is true the matcher should consider only file base
243 names (the passed file name is already only the lbasename'd
244 part).
245
246 Otherwise, if KIND does not match, this symbol is skipped.
247
248 If even KIND matches, SYMBOL_MATCHER is called for each symbol
249 defined in the file. The symbol "search" name is passed to
250 SYMBOL_MATCHER.
251
252 If SYMBOL_MATCHER returns false, then the symbol is skipped.
253
254 Otherwise, the symbol's symbol table is expanded. */
255 void (*expand_symtabs_matching)
256 (struct objfile *objfile,
257 gdb::function_view<expand_symtabs_file_matcher_ftype> file_matcher,
258 const lookup_name_info &lookup_name,
259 gdb::function_view<expand_symtabs_symbol_matcher_ftype> symbol_matcher,
260 gdb::function_view<expand_symtabs_exp_notify_ftype> expansion_notify,
261 enum search_domain kind);
262
263 /* Return the comp unit from OBJFILE that contains PC and
264 SECTION. Return NULL if there is no such compunit. This
265 should return the compunit that contains a symbol whose
266 address exactly matches PC, or, if there is no exact match, the
267 compunit that contains a symbol whose address is closest to
268 PC. */
269 struct compunit_symtab *(*find_pc_sect_compunit_symtab)
270 (struct objfile *objfile, struct bound_minimal_symbol msymbol,
271 CORE_ADDR pc, struct obj_section *section, int warn_if_readin);
272
273 /* Return the comp unit from OBJFILE that contains a symbol at
274 ADDRESS. Return NULL if there is no such comp unit. Unlike
275 find_pc_sect_compunit_symtab, any sort of symbol (not just text
276 symbols) can be considered, and only exact address matches are
277 considered. This pointer may be NULL. */
278 struct compunit_symtab *(*find_compunit_symtab_by_address)
279 (struct objfile *objfile, CORE_ADDR address);
280
281 /* Call a callback for every file defined in OBJFILE whose symtab is
282 not already read in. FUN is the callback. It is passed the file's
283 FILENAME, the file's FULLNAME (if need_fullname is non-zero), and
284 the DATA passed to this function. */
285 void (*map_symbol_filenames) (struct objfile *objfile,
286 symbol_filename_ftype *fun, void *data,
287 int need_fullname);
288 };
289
290 /* Structure of functions used for probe support. If one of these functions
291 is provided, all must be. */
292
293 struct sym_probe_fns
294 {
295 /* If non-NULL, return a reference to vector of probe objects. */
296 const std::vector<probe *> &(*sym_get_probes) (struct objfile *);
297 };
298
299 /* Structure to keep track of symbol reading functions for various
300 object file types. */
301
302 struct sym_fns
303 {
304 /* Initializes anything that is global to the entire symbol table.
305 It is called during symbol_file_add, when we begin debugging an
306 entirely new program. */
307
308 void (*sym_new_init) (struct objfile *);
309
310 /* Reads any initial information from a symbol file, and initializes
311 the struct sym_fns SF in preparation for sym_read(). It is
312 called every time we read a symbol file for any reason. */
313
314 void (*sym_init) (struct objfile *);
315
316 /* sym_read (objfile, symfile_flags) Reads a symbol file into a psymtab
317 (or possibly a symtab). OBJFILE is the objfile struct for the
318 file we are reading. SYMFILE_FLAGS are the flags passed to
319 symbol_file_add & co. */
320
321 void (*sym_read) (struct objfile *, symfile_add_flags);
322
323 /* Read the partial symbols for an objfile. This may be NULL, in which case
324 gdb has to check other ways if this objfile has any symbols. This may
325 only be non-NULL if the objfile actually does have debuginfo available.
326 */
327
328 void (*sym_read_psymbols) (struct objfile *);
329
330 /* Called when we are finished with an objfile. Should do all
331 cleanup that is specific to the object file format for the
332 particular objfile. */
333
334 void (*sym_finish) (struct objfile *);
335
336
337 /* This function produces a file-dependent section_offsets
338 structure, allocated in the objfile's storage.
339
340 The section_addr_info structure contains the offset of loadable and
341 allocated sections, relative to the absolute offsets found in the BFD. */
342
343 void (*sym_offsets) (struct objfile *, const struct section_addr_info *);
344
345 /* This function produces a format-independent description of
346 the segments of ABFD. Each segment is a unit of the file
347 which may be relocated independently. */
348
349 struct symfile_segment_data *(*sym_segments) (bfd *abfd);
350
351 /* This function should read the linetable from the objfile when
352 the line table cannot be read while processing the debugging
353 information. */
354
355 void (*sym_read_linetable) (struct objfile *);
356
357 /* Relocate the contents of a debug section SECTP. The
358 contents are stored in BUF if it is non-NULL, or returned in a
359 malloc'd buffer otherwise. */
360
361 bfd_byte *(*sym_relocate) (struct objfile *, asection *sectp, bfd_byte *buf);
362
363 /* If non-NULL, this objfile has probe support, and all the probe
364 functions referred to here will be non-NULL. */
365 const struct sym_probe_fns *sym_probe_fns;
366
367 /* The "quick" (aka partial) symbol functions for this symbol
368 reader. */
369 const struct quick_symbol_functions *qf;
370 };
371
372 extern struct section_addr_info *
373 build_section_addr_info_from_objfile (const struct objfile *objfile);
374
375 extern void relative_addr_info_to_section_offsets
376 (struct section_offsets *section_offsets, int num_sections,
377 const struct section_addr_info *addrs);
378
379 extern void addr_info_make_relative (struct section_addr_info *addrs,
380 bfd *abfd);
381
382 /* The default version of sym_fns.sym_offsets for readers that don't
383 do anything special. */
384
385 extern void default_symfile_offsets (struct objfile *objfile,
386 const struct section_addr_info *);
387
388 /* The default version of sym_fns.sym_segments for readers that don't
389 do anything special. */
390
391 extern struct symfile_segment_data *default_symfile_segments (bfd *abfd);
392
393 /* The default version of sym_fns.sym_relocate for readers that don't
394 do anything special. */
395
396 extern bfd_byte *default_symfile_relocate (struct objfile *objfile,
397 asection *sectp, bfd_byte *buf);
398
399 extern struct symtab *allocate_symtab (struct compunit_symtab *, const char *)
400 ATTRIBUTE_NONNULL (1);
401
402 extern struct compunit_symtab *allocate_compunit_symtab (struct objfile *,
403 const char *)
404 ATTRIBUTE_NONNULL (1);
405
406 extern void add_compunit_symtab_to_objfile (struct compunit_symtab *cu);
407
408 extern void add_symtab_fns (enum bfd_flavour flavour, const struct sym_fns *);
409
410 extern void clear_symtab_users (symfile_add_flags add_flags);
411
412 extern enum language deduce_language_from_filename (const char *);
413
414 /* Map the filename extension EXT to the language LANG. Any previous
415 association of EXT will be removed. EXT will be copied by this
416 function. */
417 extern void add_filename_language (const char *ext, enum language lang);
418
419 extern struct objfile *symbol_file_add (const char *, symfile_add_flags,
420 struct section_addr_info *, objfile_flags);
421
422 extern struct objfile *symbol_file_add_from_bfd (bfd *, const char *, symfile_add_flags,
423 struct section_addr_info *,
424 objfile_flags, struct objfile *parent);
425
426 extern void symbol_file_add_separate (bfd *, const char *, symfile_add_flags,
427 struct objfile *);
428
429 extern char *find_separate_debug_file_by_debuglink (struct objfile *);
430
431 /* Create a new section_addr_info, with room for NUM_SECTIONS. */
432
433 extern struct section_addr_info *alloc_section_addr_info (size_t
434 num_sections);
435
436 /* Build (allocate and populate) a section_addr_info struct from an
437 existing section table. */
438
439 extern struct section_addr_info
440 *build_section_addr_info_from_section_table (const struct target_section
441 *start,
442 const struct target_section
443 *end);
444
445 /* Free all memory allocated by
446 build_section_addr_info_from_section_table. */
447
448 extern void free_section_addr_info (struct section_addr_info *);
449
450
451 /* Variables */
452
453 /* If non-zero, shared library symbols will be added automatically
454 when the inferior is created, new libraries are loaded, or when
455 attaching to the inferior. This is almost always what users will
456 want to have happen; but for very large programs, the startup time
457 will be excessive, and so if this is a problem, the user can clear
458 this flag and then add the shared library symbols as needed. Note
459 that there is a potential for confusion, since if the shared
460 library symbols are not loaded, commands like "info fun" will *not*
461 report all the functions that are actually present. */
462
463 extern int auto_solib_add;
464
465 /* From symfile.c */
466
467 extern void set_initial_language (void);
468
469 extern void find_lowest_section (bfd *, asection *, void *);
470
471 extern gdb_bfd_ref_ptr symfile_bfd_open (const char *);
472
473 extern int get_section_index (struct objfile *, const char *);
474
475 extern int print_symbol_loading_p (int from_tty, int mainline, int full);
476
477 /* Utility functions for overlay sections: */
478 extern enum overlay_debugging_state
479 {
480 ovly_off,
481 ovly_on,
482 ovly_auto
483 } overlay_debugging;
484 extern int overlay_cache_invalid;
485
486 /* Return the "mapped" overlay section containing the PC. */
487 extern struct obj_section *find_pc_mapped_section (CORE_ADDR);
488
489 /* Return any overlay section containing the PC (even in its LMA
490 region). */
491 extern struct obj_section *find_pc_overlay (CORE_ADDR);
492
493 /* Return true if the section is an overlay. */
494 extern int section_is_overlay (struct obj_section *);
495
496 /* Return true if the overlay section is currently "mapped". */
497 extern int section_is_mapped (struct obj_section *);
498
499 /* Return true if pc belongs to section's VMA. */
500 extern CORE_ADDR pc_in_mapped_range (CORE_ADDR, struct obj_section *);
501
502 /* Return true if pc belongs to section's LMA. */
503 extern CORE_ADDR pc_in_unmapped_range (CORE_ADDR, struct obj_section *);
504
505 /* Map an address from a section's LMA to its VMA. */
506 extern CORE_ADDR overlay_mapped_address (CORE_ADDR, struct obj_section *);
507
508 /* Map an address from a section's VMA to its LMA. */
509 extern CORE_ADDR overlay_unmapped_address (CORE_ADDR, struct obj_section *);
510
511 /* Convert an address in an overlay section (force into VMA range). */
512 extern CORE_ADDR symbol_overlayed_address (CORE_ADDR, struct obj_section *);
513
514 /* Load symbols from a file. */
515 extern void symbol_file_add_main (const char *args,
516 symfile_add_flags add_flags);
517
518 /* Clear GDB symbol tables. */
519 extern void symbol_file_clear (int from_tty);
520
521 /* Default overlay update function. */
522 extern void simple_overlay_update (struct obj_section *);
523
524 extern bfd_byte *symfile_relocate_debug_section (struct objfile *, asection *,
525 bfd_byte *);
526
527 extern int symfile_map_offsets_to_segments (bfd *,
528 const struct symfile_segment_data *,
529 struct section_offsets *,
530 int, const CORE_ADDR *);
531 struct symfile_segment_data *get_symfile_segment_data (bfd *abfd);
532 void free_symfile_segment_data (struct symfile_segment_data *data);
533
534 extern scoped_restore_tmpl<int> increment_reading_symtab (void);
535
536 void expand_symtabs_matching
537 (gdb::function_view<expand_symtabs_file_matcher_ftype> file_matcher,
538 const lookup_name_info &lookup_name,
539 gdb::function_view<expand_symtabs_symbol_matcher_ftype> symbol_matcher,
540 gdb::function_view<expand_symtabs_exp_notify_ftype> expansion_notify,
541 enum search_domain kind);
542
543 void map_symbol_filenames (symbol_filename_ftype *fun, void *data,
544 int need_fullname);
545
546 /* From dwarf2read.c */
547
548 /* Names for a dwarf2 debugging section. The field NORMAL is the normal
549 section name (usually from the DWARF standard), while the field COMPRESSED
550 is the name of compressed sections. If your object file format doesn't
551 support compressed sections, the field COMPRESSED can be NULL. Likewise,
552 the debugging section is not supported, the field NORMAL can be NULL too.
553 It doesn't make sense to have a NULL NORMAL field but a non-NULL COMPRESSED
554 field. */
555
556 struct dwarf2_section_names {
557 const char *normal;
558 const char *compressed;
559 };
560
561 /* List of names for dward2 debugging sections. Also most object file formats
562 use the standardized (ie ELF) names, some (eg XCOFF) have customized names
563 due to restrictions.
564 The table for the standard names is defined in dwarf2read.c. Please
565 update all instances of dwarf2_debug_sections if you add a field to this
566 structure. It is always safe to use { NULL, NULL } in this case. */
567
568 struct dwarf2_debug_sections {
569 struct dwarf2_section_names info;
570 struct dwarf2_section_names abbrev;
571 struct dwarf2_section_names line;
572 struct dwarf2_section_names loc;
573 struct dwarf2_section_names loclists;
574 struct dwarf2_section_names macinfo;
575 struct dwarf2_section_names macro;
576 struct dwarf2_section_names str;
577 struct dwarf2_section_names line_str;
578 struct dwarf2_section_names ranges;
579 struct dwarf2_section_names rnglists;
580 struct dwarf2_section_names types;
581 struct dwarf2_section_names addr;
582 struct dwarf2_section_names frame;
583 struct dwarf2_section_names eh_frame;
584 struct dwarf2_section_names gdb_index;
585 struct dwarf2_section_names debug_names;
586 struct dwarf2_section_names debug_aranges;
587 /* This field has no meaning, but exists solely to catch changes to
588 this structure which are not reflected in some instance. */
589 int sentinel;
590 };
591
592 extern int dwarf2_has_info (struct objfile *,
593 const struct dwarf2_debug_sections *);
594
595 /* Dwarf2 sections that can be accessed by dwarf2_get_section_info. */
596 enum dwarf2_section_enum {
597 DWARF2_DEBUG_FRAME,
598 DWARF2_EH_FRAME
599 };
600
601 extern void dwarf2_get_section_info (struct objfile *,
602 enum dwarf2_section_enum,
603 asection **, const gdb_byte **,
604 bfd_size_type *);
605
606 /* A DWARF names index variant. */
607 enum class dw_index_kind
608 {
609 /* GDB's own .gdb_index format. */
610 GDB_INDEX,
611
612 /* DWARF5 .debug_names. */
613 DEBUG_NAMES,
614 };
615
616 /* Initialize for reading DWARF for OBJFILE. Return false if this
617 file will use psymtabs, or true if using an index, in which case
618 *INDEX_KIND is set to the index variant in use. */
619 extern bool dwarf2_initialize_objfile (struct objfile *objfile,
620 dw_index_kind *index_kind);
621
622 extern void dwarf2_build_psymtabs (struct objfile *);
623 extern void dwarf2_build_frame_info (struct objfile *);
624
625 void dwarf2_free_objfile (struct objfile *);
626
627 /* From mdebugread.c */
628
629 extern void mdebug_build_psymtabs (minimal_symbol_reader &,
630 struct objfile *,
631 const struct ecoff_debug_swap *,
632 struct ecoff_debug_info *);
633
634 extern void elfmdebug_build_psymtabs (struct objfile *,
635 const struct ecoff_debug_swap *,
636 asection *);
637
638 /* From minidebug.c. */
639
640 extern gdb_bfd_ref_ptr find_separate_debug_file_in_section (struct objfile *);
641
642 /* True if we are printing debug output about separate debug info files. */
643
644 extern int separate_debug_file_debug;
645
646 #endif /* !defined(SYMFILE_H) */
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
probe
Definition: probe.h:112
other_sections::name
char * name
Definition: symfile.h:51
axs_value
Definition: ax-gdb.h:77
expand_symtabs_exp_notify_ftype
void() expand_symtabs_exp_notify_ftype(compunit_symtab *symtab)
Definition: symfile.h:117
mdebug_build_psymtabs
void mdebug_build_psymtabs(minimal_symbol_reader &, struct objfile *, const struct ecoff_debug_swap *, struct ecoff_debug_info *)
Definition: mdebugread.c:338
dwarf2_get_section_info
void dwarf2_get_section_info(struct objfile *, enum dwarf2_section_enum, asection **, const gdb_byte **, bfd_size_type *)
Definition: dwarf2read.c:2771
dw_index_kind::GDB_INDEX
find_separate_debug_file_by_debuglink
char * find_separate_debug_file_by_debuglink(struct objfile *)
Definition: symfile.c:1551
debug_names
Definition: dwarf2read.c:26041
quick_symbol_functions::forget_cached_source_info
void(* forget_cached_source_info)(struct objfile *objfile)
Definition: symfile.h:148
overlay_mapped_address
CORE_ADDR overlay_mapped_address(CORE_ADDR, struct obj_section *)
Definition: symfile.c:3125
dwarf2_debug_sections::types
struct dwarf2_section_names types
Definition: symfile.h:580
clear_symtab_users
void clear_symtab_users(symfile_add_flags add_flags)
Definition: symfile.c:2885
CORE_ADDR
bfd_vma CORE_ADDR
Definition: common-types.h:41
dwarf2_debug_sections
Definition: symfile.h:568
dwarf2_debug_sections::macinfo
struct dwarf2_section_names macinfo
Definition: symfile.h:574
allocate_symtab
struct symtab * allocate_symtab(struct compunit_symtab *, const char *) ATTRIBUTE_NONNULL(1)
Definition: symfile.c:2785
simple_overlay_update
void simple_overlay_update(struct obj_section *)
Definition: symfile.c:3559
function-view.h
pc_in_mapped_range
CORE_ADDR pc_in_mapped_range(CORE_ADDR, struct obj_section *)
Definition: symfile.c:3076
symfile_segment_data::segment_bases
CORE_ADDR * segment_bases
Definition: symfile.h:85
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
dwarf2_debug_sections::gdb_index
struct dwarf2_section_names gdb_index
Definition: symfile.h:584
domain_enum
enum domain_enum_tag domain_enum
relative_addr_info_to_section_offsets
void relative_addr_info_to_section_offsets(struct section_offsets *section_offsets, int num_sections, const struct section_addr_info *addrs)
Definition: symfile.c:464
auto_solib_add
int auto_solib_add
Definition: symfile.c:149
other_sections::sectindex
int sectindex
Definition: symfile.h:54
quick_symbol_functions::expand_symtabs_with_fullname
void(* expand_symtabs_with_fullname)(struct objfile *objfile, const char *fullname)
Definition: symfile.h:208
dwarf2_build_psymtabs
void dwarf2_build_psymtabs(struct objfile *)
Definition: dwarf2read.c:6519
default_symfile_offsets
void default_symfile_offsets(struct objfile *objfile, const struct section_addr_info *)
Definition: symfile.c:695
symbol_file_add
struct objfile * symbol_file_add(const char *, symfile_add_flags, struct section_addr_info *, objfile_flags)
Definition: symfile.c:1270
quick_symbol_functions::print_stats
void(* print_stats)(struct objfile *objfile)
Definition: symfile.h:183
selftests::scoped_restore_tests::global
static int global
Definition: scoped_restore-selftests.c:30
symbol_file_clear
void symbol_file_clear(int from_tty)
Definition: symfile.c:1310
agent_expr
Definition: ax.h:83
frame_info
Definition: frame.c:85
compunit_symtab
Definition: symtab.h:1380
default_symfile_relocate
bfd_byte * default_symfile_relocate(struct objfile *objfile, asection *sectp, bfd_byte *buf)
Definition: symfile.c:3625
allocate_compunit_symtab
struct compunit_symtab * allocate_compunit_symtab(struct objfile *, const char *) ATTRIBUTE_NONNULL(1)
Definition: symfile.c:2842
search_domain
search_domain
Definition: symtab.h:773
gdb_bfd.h
ovly_auto
Definition: symfile.h:482
set_initial_language
void set_initial_language(void)
Definition: symfile.c:1690
dwarf2_section_enum
dwarf2_section_enum
Definition: symfile.h:596
dwarf2_initialize_objfile
bool dwarf2_initialize_objfile(struct objfile *objfile, dw_index_kind *index_kind)
Definition: dwarf2read.c:6467
symbol_compare_ftype
int() symbol_compare_ftype(const char *string1, const char *string2)
Definition: symfile.h:45
other_sections
Definition: symfile.h:48
free_symfile_segment_data
void free_symfile_segment_data(struct symfile_segment_data *data)
Definition: symfile.c:3679
get_symfile_segment_data
struct symfile_segment_data * get_symfile_segment_data(bfd *abfd)
Definition: symfile.c:3668
symfile_segment_data::segment_info
int * segment_info
Definition: symfile.h:95
dw_index_kind
dw_index_kind
Definition: symfile.h:607
dw_index_kind::DEBUG_NAMES
dwarf2_debug_sections::abbrev
struct dwarf2_section_names abbrev
Definition: symfile.h:570
other_sections::addr
CORE_ADDR addr
Definition: symfile.h:50
sym_fns::sym_probe_fns
const struct sym_probe_fns * sym_probe_fns
Definition: symfile.h:365
ovly_off
Definition: symfile.h:480
dwarf2_section_names
Definition: symfile.h:556
symfile_relocate_debug_section
bfd_byte * symfile_relocate_debug_section(struct objfile *, asection *, bfd_byte *)
Definition: symfile.c:3659
symtab.h
name
const char *const name
Definition: aarch64-tdep.c:76
expand_symtabs_file_matcher_ftype
bool() expand_symtabs_file_matcher_ftype(const char *filename, bool basenames)
Definition: symfile.h:106
section_offsets
Definition: symtab.h:1271
gdb::ref_ptr
Definition: gdb_ref_ptr.h:49
dwarf2_debug_sections::rnglists
struct dwarf2_section_names rnglists
Definition: symfile.h:579
dwarf2_free_objfile
void dwarf2_free_objfile(struct objfile *)
Definition: dwarf2read.c:25113
dwarf2_debug_sections::sentinel
int sentinel
Definition: symfile.h:589
alloc_section_addr_info
struct section_addr_info * alloc_section_addr_info(size_t num_sections)
Definition: symfile.c:223
find_pc_mapped_section
struct obj_section * find_pc_mapped_section(CORE_ADDR)
Definition: symfile.c:3202
overlay_cache_invalid
int overlay_cache_invalid
Definition: symfile.c:2971
add_symtab_fns
void add_symtab_fns(enum bfd_flavour flavour, const struct sym_fns *)
Definition: symfile.c:1790
symfile-add-flags.h
sym_fns
Definition: symfile.h:302
increment_reading_symtab
scoped_restore_tmpl< int > increment_reading_symtab(void)
Definition: symfile.c:185
DWARF2_EH_FRAME
Definition: symfile.h:598
objfile::objfile
objfile(bfd *, const char *, objfile_flags)
Definition: objfiles.c:373
elfmdebug_build_psymtabs
void elfmdebug_build_psymtabs(struct objfile *, const struct ecoff_debug_swap *, asection *)
Definition: mdebugread.c:4868
print_symbol_loading_p
int print_symbol_loading_p(int from_tty, int mainline, int full)
Definition: symfile.c:161
symfile_segment_data::num_segments
int num_segments
Definition: symfile.h:81
default_symfile_segments
struct symfile_segment_data * default_symfile_segments(bfd *abfd)
Definition: symfile.c:785
DWARF2_DEBUG_FRAME
Definition: symfile.h:597
bound_minimal_symbol
Definition: minsyms.h:29
add_compunit_symtab_to_objfile
void add_compunit_symtab_to_objfile(struct compunit_symtab *cu)
Definition: symfile.c:2874
expand_symtabs_symbol_matcher_ftype
bool() expand_symtabs_symbol_matcher_ftype(const char *name)
Definition: symfile.h:112
sym_fns::sym_new_init
void(* sym_new_init)(struct objfile *)
Definition: symfile.h:308
dwarf2_debug_sections::line
struct dwarf2_section_names line
Definition: symfile.h:571
quick_symbol_functions::dump
void(* dump)(struct objfile *objfile)
Definition: symfile.h:187
quick_symbol_functions::expand_all_symtabs
void(* expand_all_symtabs)(struct objfile *objfile)
Definition: symfile.h:201
dwarf2_debug_sections::loclists
struct dwarf2_section_names loclists
Definition: symfile.h:573
dwarf2_debug_sections::info
struct dwarf2_section_names info
Definition: symfile.h:569
dwarf2_debug_sections::frame
struct dwarf2_section_names frame
Definition: symfile.h:582
dwarf2_debug_sections::loc
struct dwarf2_section_names loc
Definition: symfile.h:572
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
sym_fns::sym_finish
void(* sym_finish)(struct objfile *)
Definition: symfile.h:334
symtab
Definition: symtab.h:1291
dwarf2_debug_sections::macro
struct dwarf2_section_names macro
Definition: symfile.h:575
quick_symbol_functions::relocate
void(* relocate)(struct objfile *objfile, const struct section_offsets *new_offsets, const struct section_offsets *delta)
Definition: symfile.h:191
dwarf2_section_names::normal
const char * normal
Definition: symfile.h:557
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
find_pc_overlay
struct obj_section * find_pc_overlay(CORE_ADDR)
Definition: symfile.c:3173
block
Definition: block.h:60
value
Definition: value.c:169
separate_debug_file_debug
int separate_debug_file_debug
Definition: symfile.c:1333
section_addr_info::num_sections
size_t num_sections
Definition: symfile.h:68
dwarf2_debug_sections::eh_frame
struct dwarf2_section_names eh_frame
Definition: symfile.h:583
objfile
Definition: objfiles.h:286
section_is_overlay
int section_is_overlay(struct obj_section *)
Definition: symfile.c:2978
find_separate_debug_file_in_section
gdb_bfd_ref_ptr find_separate_debug_file_in_section(struct objfile *)
Definition: minidebug.c:259
obj_section
Definition: objfiles.h:123
gdb_byte
bfd_byte gdb_byte
Definition: common-types.h:38
symbol_overlayed_address
CORE_ADDR symbol_overlayed_address(CORE_ADDR, struct obj_section *)
Definition: symfile.c:3143
dwarf2_debug_sections::debug_aranges
struct dwarf2_section_names debug_aranges
Definition: symfile.h:586
dwarf2_debug_sections::addr
struct dwarf2_section_names addr
Definition: symfile.h:581
quick_symbol_functions
Definition: symfile.h:137
sym_fns::sym_read_linetable
void(* sym_read_linetable)(struct objfile *)
Definition: symfile.h:355
dwarf2_debug_sections::line_str
struct dwarf2_section_names line_str
Definition: symfile.h:577
symbol_file_add_from_bfd
struct objfile * symbol_file_add_from_bfd(bfd *, const char *, symfile_add_flags, struct section_addr_info *, objfile_flags, struct objfile *parent)
Definition: symfile.c:1257
find_lowest_section
void find_lowest_section(bfd *, asection *, void *)
Definition: symfile.c:202
gdb::function_view
Definition: function-view.h:177
dwarf2_debug_sections::ranges
struct dwarf2_section_names ranges
Definition: symfile.h:578
free_section_addr_info
void free_section_addr_info(struct section_addr_info *)
Definition: symfile.c:317
symbol_file_add_separate
void symbol_file_add_separate(bfd *, const char *, symfile_add_flags, struct objfile *)
Definition: symfile.c:1230
symfile_map_offsets_to_segments
int symfile_map_offsets_to_segments(bfd *, const struct symfile_segment_data *, struct section_offsets *, int, const CORE_ADDR *)
Definition: symfile.c:3703
pc_in_unmapped_range
CORE_ADDR pc_in_unmapped_range(CORE_ADDR, struct obj_section *)
Definition: symfile.c:3053
target_section
Definition: target.h:2315
probe.h
add_filename_language
void add_filename_language(const char *ext, enum language lang)
Definition: symfile.c:2680
symfile_bfd_open
gdb_bfd_ref_ptr symfile_bfd_open(const char *)
Definition: symfile.c:1719
build_section_addr_info_from_objfile
struct section_addr_info * build_section_addr_info_from_objfile(const struct objfile *objfile)
Definition: symfile.c:296
section_addr_info::other
struct other_sections other[1]
Definition: symfile.h:70
addr_info_make_relative
void addr_info_make_relative(struct section_addr_info *addrs, bfd *abfd)
Definition: symfile.c:547
symbol_file_add_main
void symbol_file_add_main(const char *args, symfile_add_flags add_flags)
Definition: symfile.c:1288
language
language
Definition: defs.h:203
symbol
Definition: symtab.h:1049
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
overlay_unmapped_address
CORE_ADDR overlay_unmapped_address(CORE_ADDR, struct obj_section *)
Definition: symfile.c:3107
scoped_restore_tmpl
Definition: scoped_restore.h:50
deduce_language_from_filename
enum language deduce_language_from_filename(const char *)
Definition: symfile.c:2766
dwarf2_build_frame_info
void dwarf2_build_frame_info(struct objfile *)
Definition: dwarf2-frame.c:2193
dwarf2_section_names::compressed
const char * compressed
Definition: symfile.h:558
build_section_addr_info_from_section_table
struct section_addr_info * build_section_addr_info_from_section_table(const struct target_section *start, const struct target_section *end)
Definition: symfile.c:240
minimal_symbol_reader
Definition: minsyms.h:62
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
map_symbol_filenames
void map_symbol_filenames(symbol_filename_ftype *fun, void *data, int need_fullname)
Definition: symfile.c:3826
quick_symbol_functions::has_symbols
int(* has_symbols)(struct objfile *objfile)
Definition: symfile.h:141
section_is_mapped
int section_is_mapped(struct obj_section *)
Definition: symfile.c:3017
lookup_name_info
Definition: symtab.h:179
symfile_segment_data::segment_sizes
CORE_ADDR * segment_sizes
Definition: symfile.h:89
objfile-flags.h
dwarf2_debug_sections::str
struct dwarf2_section_names str
Definition: symfile.h:576
get_section_index
int get_section_index(struct objfile *, const char *)
Definition: symfile.c:1773
dwarf2_has_info
int dwarf2_has_info(struct objfile *, const struct dwarf2_debug_sections *)
Definition: dwarf2read.c:2424
overlay_debugging_state
overlay_debugging_state
Definition: symfile.h:478
symbol_name_match_type
symbol_name_match_type
Definition: symtab.h:52
ovly_on
Definition: symfile.h:481
sym_fns::sym_read
void(* sym_read)(struct objfile *, symfile_add_flags)
Definition: symfile.h:321
overlay_debugging
enum overlay_debugging_state overlay_debugging
expand_symtabs_matching
void expand_symtabs_matching(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.c:3803
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