1 /* Partial symbol tables.
3 Copyright (C) 2009, 2010, 2011 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
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/>. */
24 #include "gdb_assert.h"
26 #include "filenames.h"
33 #include "readline/readline.h"
34 #include "gdb_regex.h"
35 #include "dictionary.h"
37 #include "cp-support.h"
40 #define DEV_TTY "/dev/tty"
45 struct bcache *bcache;
48 /* A fast way to get from a psymtab to its symtab (after the first time). */
49 #define PSYMTAB_TO_SYMTAB(pst) \
50 ((pst) -> symtab != NULL ? (pst) -> symtab : psymtab_to_symtab (pst))
52 static struct partial_symbol *match_partial_symbol (struct partial_symtab *,
54 const char *, domain_enum,
55 symbol_compare_ftype *,
56 symbol_compare_ftype *);
58 static struct partial_symbol *lookup_partial_symbol (struct partial_symtab *,
62 static char *psymtab_to_fullname (struct partial_symtab *ps);
64 static struct partial_symbol *find_pc_sect_psymbol (struct partial_symtab *,
66 struct obj_section *);
68 static struct partial_symbol *fixup_psymbol_section (struct partial_symbol
70 struct objfile *objfile);
72 static struct symtab *psymtab_to_symtab (struct partial_symtab *pst);
74 /* Ensure that the partial symbols for OBJFILE have been loaded. This
75 function always returns its argument, as a convenience. */
78 require_partial_symbols (struct objfile *objfile, int verbose)
80 if ((objfile->flags & OBJF_PSYMTABS_READ) == 0)
82 objfile->flags |= OBJF_PSYMTABS_READ;
84 if (objfile->sf->sym_read_psymbols)
88 printf_unfiltered (_("Reading symbols from %s..."),
90 gdb_flush (gdb_stdout);
92 (*objfile->sf->sym_read_psymbols) (objfile);
95 if (!objfile_has_symbols (objfile))
98 printf_unfiltered (_("(no debugging symbols found)..."));
102 printf_unfiltered (_("done.\n"));
110 /* Traverse all psymtabs in one objfile, requiring that the psymtabs
113 #define ALL_OBJFILE_PSYMTABS_REQUIRED(objfile, p) \
114 for ((p) = require_partial_symbols (objfile, 1)->psymtabs; \
118 /* We want to make sure this file always requires psymtabs. */
120 #undef ALL_OBJFILE_PSYMTABS
122 /* Traverse all psymtabs in all objfiles. */
124 #define ALL_PSYMTABS(objfile, p) \
125 ALL_OBJFILES (objfile) \
126 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p)
128 /* Lookup the partial symbol table of a source file named NAME.
129 *If* there is no '/' in the name, a match after a '/'
130 in the psymtab filename will also work. */
132 static struct partial_symtab *
133 lookup_partial_symtab (struct objfile *objfile, const char *name,
134 const char *full_path, const char *real_path)
136 struct partial_symtab *pst;
138 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst)
140 if (FILENAME_CMP (name, pst->filename) == 0)
145 /* If the user gave us an absolute path, try to find the file in
146 this symtab and use its absolute path. */
147 if (full_path != NULL)
149 psymtab_to_fullname (pst);
150 if (pst->fullname != NULL
151 && FILENAME_CMP (full_path, pst->fullname) == 0)
157 if (real_path != NULL)
160 psymtab_to_fullname (pst);
161 if (pst->fullname != NULL)
163 rp = gdb_realpath (pst->fullname);
164 make_cleanup (xfree, rp);
166 if (rp != NULL && FILENAME_CMP (real_path, rp) == 0)
173 /* Now, search for a matching tail (only if name doesn't have any dirs). */
175 if (lbasename (name) == name)
176 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst)
178 if (FILENAME_CMP (lbasename (pst->filename), name) == 0)
186 lookup_symtab_via_partial_symtab (struct objfile *objfile, const char *name,
187 const char *full_path, const char *real_path,
188 struct symtab **result)
190 struct partial_symtab *ps;
192 ps = lookup_partial_symtab (objfile, name, full_path, real_path);
197 error (_("Internal: readin %s pst for `%s' found when no symtab found."),
200 *result = PSYMTAB_TO_SYMTAB (ps);
204 /* Find which partial symtab contains PC and SECTION starting at psymtab PST.
205 We may find a different psymtab than PST. See FIND_PC_SECT_PSYMTAB. */
207 static struct partial_symtab *
208 find_pc_sect_psymtab_closer (CORE_ADDR pc, struct obj_section *section,
209 struct partial_symtab *pst,
210 struct minimal_symbol *msymbol)
212 struct objfile *objfile = pst->objfile;
213 struct partial_symtab *tpst;
214 struct partial_symtab *best_pst = pst;
215 CORE_ADDR best_addr = pst->textlow;
217 /* An objfile that has its functions reordered might have
218 many partial symbol tables containing the PC, but
219 we want the partial symbol table that contains the
220 function containing the PC. */
221 if (!(objfile->flags & OBJF_REORDERED) &&
222 section == 0) /* Can't validate section this way. */
228 /* The code range of partial symtabs sometimes overlap, so, in
229 the loop below, we need to check all partial symtabs and
230 find the one that fits better for the given PC address. We
231 select the partial symtab that contains a symbol whose
232 address is closest to the PC address. By closest we mean
233 that find_pc_sect_symbol returns the symbol with address
234 that is closest and still less than the given PC. */
235 for (tpst = pst; tpst != NULL; tpst = tpst->next)
237 if (pc >= tpst->textlow && pc < tpst->texthigh)
239 struct partial_symbol *p;
242 /* NOTE: This assumes that every psymbol has a
243 corresponding msymbol, which is not necessarily
244 true; the debug info might be much richer than the
245 object's symbol table. */
246 p = find_pc_sect_psymbol (tpst, pc, section);
248 && SYMBOL_VALUE_ADDRESS (p)
249 == SYMBOL_VALUE_ADDRESS (msymbol))
252 /* Also accept the textlow value of a psymtab as a
253 "symbol", to provide some support for partial
254 symbol tables with line information but no debug
255 symbols (e.g. those produced by an assembler). */
257 this_addr = SYMBOL_VALUE_ADDRESS (p);
259 this_addr = tpst->textlow;
261 /* Check whether it is closer than our current
262 BEST_ADDR. Since this symbol address is
263 necessarily lower or equal to PC, the symbol closer
264 to PC is the symbol which address is the highest.
265 This way we return the psymtab which contains such
266 best match symbol. This can help in cases where the
267 symbol information/debuginfo is not complete, like
268 for instance on IRIX6 with gcc, where no debug info
269 is emitted for statics. (See also the nodebug.exp
271 if (this_addr > best_addr)
273 best_addr = this_addr;
281 /* Find which partial symtab contains PC and SECTION. Return 0 if
282 none. We return the psymtab that contains a symbol whose address
283 exactly matches PC, or, if we cannot find an exact match, the
284 psymtab that contains a symbol whose address is closest to PC. */
285 static struct partial_symtab *
286 find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc,
287 struct obj_section *section,
288 struct minimal_symbol *msymbol)
290 struct partial_symtab *pst;
292 /* Try just the PSYMTABS_ADDRMAP mapping first as it has better granularity
293 than the later used TEXTLOW/TEXTHIGH one. */
295 if (objfile->psymtabs_addrmap != NULL)
297 pst = addrmap_find (objfile->psymtabs_addrmap, pc);
300 /* FIXME: addrmaps currently do not handle overlayed sections,
301 so fall back to the non-addrmap case if we're debugging
302 overlays and the addrmap returned the wrong section. */
303 if (overlay_debugging && msymbol && section)
305 struct partial_symbol *p;
307 /* NOTE: This assumes that every psymbol has a
308 corresponding msymbol, which is not necessarily
309 true; the debug info might be much richer than the
310 object's symbol table. */
311 p = find_pc_sect_psymbol (pst, pc, section);
313 || SYMBOL_VALUE_ADDRESS (p)
314 != SYMBOL_VALUE_ADDRESS (msymbol))
318 /* We do not try to call FIND_PC_SECT_PSYMTAB_CLOSER as
319 PSYMTABS_ADDRMAP we used has already the best 1-byte
320 granularity and FIND_PC_SECT_PSYMTAB_CLOSER may mislead us into
321 a worse chosen section due to the TEXTLOW/TEXTHIGH ranges
330 /* Existing PSYMTABS_ADDRMAP mapping is present even for PARTIAL_SYMTABs
331 which still have no corresponding full SYMTABs read. But it is not
332 present for non-DWARF2 debug infos not supporting PSYMTABS_ADDRMAP in GDB
335 /* Check even OBJFILE with non-zero PSYMTABS_ADDRMAP as only several of
336 its CUs may be missing in PSYMTABS_ADDRMAP as they may be varying
337 debug info type in single OBJFILE. */
339 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst)
340 if (pc >= pst->textlow && pc < pst->texthigh)
342 struct partial_symtab *best_pst;
344 best_pst = find_pc_sect_psymtab_closer (pc, section, pst, msymbol);
345 if (best_pst != NULL)
352 static struct symtab *
353 find_pc_sect_symtab_from_partial (struct objfile *objfile,
354 struct minimal_symbol *msymbol,
355 CORE_ADDR pc, struct obj_section *section,
358 struct partial_symtab *ps = find_pc_sect_psymtab (objfile, pc, section,
362 if (warn_if_readin && ps->readin)
363 /* Might want to error() here (in case symtab is corrupt and
364 will cause a core dump), but maybe we can successfully
365 continue, so let's not. */
367 (Internal error: pc %s in read in psymtab, but not in symtab.)\n"),
368 paddress (get_objfile_arch (ps->objfile), pc));
369 return PSYMTAB_TO_SYMTAB (ps);
374 /* Find which partial symbol within a psymtab matches PC and SECTION.
377 static struct partial_symbol *
378 find_pc_sect_psymbol (struct partial_symtab *psymtab, CORE_ADDR pc,
379 struct obj_section *section)
381 struct partial_symbol *best = NULL, *p, **pp;
384 gdb_assert (psymtab != NULL);
386 /* Cope with programs that start at address 0. */
387 best_pc = (psymtab->textlow != 0) ? psymtab->textlow - 1 : 0;
389 /* Search the global symbols as well as the static symbols, so that
390 find_pc_partial_function doesn't use a minimal symbol and thus
391 cache a bad endaddr. */
392 for (pp = psymtab->objfile->global_psymbols.list + psymtab->globals_offset;
393 (pp - (psymtab->objfile->global_psymbols.list + psymtab->globals_offset)
394 < psymtab->n_global_syms);
398 if (SYMBOL_DOMAIN (p) == VAR_DOMAIN
399 && SYMBOL_CLASS (p) == LOC_BLOCK
400 && pc >= SYMBOL_VALUE_ADDRESS (p)
401 && (SYMBOL_VALUE_ADDRESS (p) > best_pc
402 || (psymtab->textlow == 0
403 && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0)))
405 if (section) /* Match on a specific section. */
407 fixup_psymbol_section (p, psymtab->objfile);
408 if (!matching_obj_sections (SYMBOL_OBJ_SECTION (p), section))
411 best_pc = SYMBOL_VALUE_ADDRESS (p);
416 for (pp = psymtab->objfile->static_psymbols.list + psymtab->statics_offset;
417 (pp - (psymtab->objfile->static_psymbols.list + psymtab->statics_offset)
418 < psymtab->n_static_syms);
422 if (SYMBOL_DOMAIN (p) == VAR_DOMAIN
423 && SYMBOL_CLASS (p) == LOC_BLOCK
424 && pc >= SYMBOL_VALUE_ADDRESS (p)
425 && (SYMBOL_VALUE_ADDRESS (p) > best_pc
426 || (psymtab->textlow == 0
427 && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0)))
429 if (section) /* Match on a specific section. */
431 fixup_psymbol_section (p, psymtab->objfile);
432 if (!matching_obj_sections (SYMBOL_OBJ_SECTION (p), section))
435 best_pc = SYMBOL_VALUE_ADDRESS (p);
443 static struct partial_symbol *
444 fixup_psymbol_section (struct partial_symbol *psym, struct objfile *objfile)
451 if (SYMBOL_OBJ_SECTION (psym))
454 gdb_assert (objfile);
456 switch (SYMBOL_CLASS (psym))
461 addr = SYMBOL_VALUE_ADDRESS (psym);
464 /* Nothing else will be listed in the minsyms -- no use looking
469 fixup_section (&psym->ginfo, addr, objfile);
474 static struct symtab *
475 lookup_symbol_aux_psymtabs (struct objfile *objfile,
476 int block_index, const char *name,
477 const domain_enum domain)
479 struct partial_symtab *ps;
480 const int psymtab_index = (block_index == GLOBAL_BLOCK ? 1 : 0);
482 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
484 if (!ps->readin && lookup_partial_symbol (ps, name, psymtab_index, domain))
486 struct symbol *sym = NULL;
487 struct symtab *stab = PSYMTAB_TO_SYMTAB (ps);
489 /* Some caution must be observed with overloaded functions
490 and methods, since the psymtab will not contain any overload
491 information (but NAME might contain it). */
494 struct blockvector *bv = BLOCKVECTOR (stab);
495 struct block *block = BLOCKVECTOR_BLOCK (bv, block_index);
497 sym = lookup_block_symbol (block, name, domain);
500 if (sym && strcmp_iw (SYMBOL_SEARCH_NAME (sym), name) == 0)
503 /* Keep looking through other psymtabs. */
510 /* Look in PST for a symbol in DOMAIN whose name matches NAME. Search
511 the global block of PST if GLOBAL, and otherwise the static block.
512 MATCH is the comparison operation that returns true iff MATCH (s,
513 NAME), where s is a SYMBOL_SEARCH_NAME. If ORDERED_COMPARE is
514 non-null, the symbols in the block are assumed to be ordered
515 according to it (allowing binary search). It must be compatible
516 with MATCH. Returns the symbol, if found, and otherwise NULL. */
518 static struct partial_symbol *
519 match_partial_symbol (struct partial_symtab *pst, int global,
520 const char *name, domain_enum domain,
521 symbol_compare_ftype *match,
522 symbol_compare_ftype *ordered_compare)
524 struct partial_symbol **start, **psym;
525 struct partial_symbol **top, **real_top, **bottom, **center;
526 int length = (global ? pst->n_global_syms : pst->n_static_syms);
527 int do_linear_search = 1;
532 pst->objfile->global_psymbols.list + pst->globals_offset :
533 pst->objfile->static_psymbols.list + pst->statics_offset);
535 if (global && ordered_compare) /* Can use a binary search. */
537 do_linear_search = 0;
539 /* Binary search. This search is guaranteed to end with center
540 pointing at the earliest partial symbol whose name might be
541 correct. At that point *all* partial symbols with an
542 appropriate name will be checked against the correct
546 top = start + length - 1;
550 center = bottom + (top - bottom) / 2;
551 gdb_assert (center < top);
552 if (!do_linear_search
553 && (SYMBOL_LANGUAGE (*center) == language_java))
554 do_linear_search = 1;
555 if (ordered_compare (SYMBOL_SEARCH_NAME (*center), name) >= 0)
560 gdb_assert (top == bottom);
562 while (top <= real_top
563 && match (SYMBOL_SEARCH_NAME (*top), name) == 0)
565 if (symbol_matches_domain (SYMBOL_LANGUAGE (*top),
566 SYMBOL_DOMAIN (*top), domain))
572 /* Can't use a binary search or else we found during the binary search that
573 we should also do a linear search. */
575 if (do_linear_search)
577 for (psym = start; psym < start + length; psym++)
579 if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym),
580 SYMBOL_DOMAIN (*psym), domain)
581 && match (SYMBOL_SEARCH_NAME (*psym), name) == 0)
590 pre_expand_symtabs_matching_psymtabs (struct objfile *objfile,
591 enum block_enum block_kind,
598 /* Returns the name used to search psymtabs. Unlike symtabs, psymtabs do
599 not contain any method/function instance information (since this would
600 force reading type information while reading psymtabs). Therefore,
601 if NAME contains overload information, it must be stripped before searching
604 The caller is responsible for freeing the return result. */
607 psymtab_search_name (const char *name)
609 switch (current_language->la_language)
614 if (strchr (name, '('))
616 char *ret = cp_remove_params (name);
628 return xstrdup (name);
631 /* Look, in partial_symtab PST, for symbol whose natural name is NAME.
632 Check the global symbols if GLOBAL, the static symbols if not. */
634 static struct partial_symbol *
635 lookup_partial_symbol (struct partial_symtab *pst, const char *name,
636 int global, domain_enum domain)
638 struct partial_symbol **start, **psym;
639 struct partial_symbol **top, **real_top, **bottom, **center;
640 int length = (global ? pst->n_global_syms : pst->n_static_syms);
641 int do_linear_search = 1;
643 struct cleanup *cleanup;
650 search_name = psymtab_search_name (name);
651 cleanup = make_cleanup (xfree, search_name);
653 pst->objfile->global_psymbols.list + pst->globals_offset :
654 pst->objfile->static_psymbols.list + pst->statics_offset);
656 if (global) /* This means we can use a binary search. */
658 do_linear_search = 0;
660 /* Binary search. This search is guaranteed to end with center
661 pointing at the earliest partial symbol whose name might be
662 correct. At that point *all* partial symbols with an
663 appropriate name will be checked against the correct
667 top = start + length - 1;
671 center = bottom + (top - bottom) / 2;
673 internal_error (__FILE__, __LINE__,
674 _("failed internal consistency check"));
675 if (!do_linear_search
676 && SYMBOL_LANGUAGE (*center) == language_java)
678 do_linear_search = 1;
680 if (strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*center),
690 if (!(top == bottom))
691 internal_error (__FILE__, __LINE__,
692 _("failed internal consistency check"));
694 while (top <= real_top
695 && SYMBOL_MATCHES_SEARCH_NAME (*top, search_name))
697 if (symbol_matches_domain (SYMBOL_LANGUAGE (*top),
698 SYMBOL_DOMAIN (*top), domain))
700 do_cleanups (cleanup);
707 /* Can't use a binary search or else we found during the binary search that
708 we should also do a linear search. */
710 if (do_linear_search)
712 for (psym = start; psym < start + length; psym++)
714 if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym),
715 SYMBOL_DOMAIN (*psym), domain)
716 && SYMBOL_MATCHES_SEARCH_NAME (*psym, search_name))
718 do_cleanups (cleanup);
724 do_cleanups (cleanup);
728 /* Get the symbol table that corresponds to a partial_symtab.
729 This is fast after the first time you do it. In fact, there
730 is an even faster macro PSYMTAB_TO_SYMTAB that does the fast
733 static struct symtab *
734 psymtab_to_symtab (struct partial_symtab *pst)
736 /* If it's been looked up before, return it. */
740 /* If it has not yet been read in, read it. */
743 struct cleanup *back_to = increment_reading_symtab ();
745 (*pst->read_symtab) (pst);
746 do_cleanups (back_to);
753 relocate_psymtabs (struct objfile *objfile,
754 struct section_offsets *new_offsets,
755 struct section_offsets *delta)
757 struct partial_symbol **psym;
758 struct partial_symtab *p;
760 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p)
762 p->textlow += ANOFFSET (delta, SECT_OFF_TEXT (objfile));
763 p->texthigh += ANOFFSET (delta, SECT_OFF_TEXT (objfile));
766 for (psym = objfile->global_psymbols.list;
767 psym < objfile->global_psymbols.next;
770 fixup_psymbol_section (*psym, objfile);
771 if (SYMBOL_SECTION (*psym) >= 0)
772 SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta,
773 SYMBOL_SECTION (*psym));
775 for (psym = objfile->static_psymbols.list;
776 psym < objfile->static_psymbols.next;
779 fixup_psymbol_section (*psym, objfile);
780 if (SYMBOL_SECTION (*psym) >= 0)
781 SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta,
782 SYMBOL_SECTION (*psym));
786 static struct symtab *
787 find_last_source_symtab_from_partial (struct objfile *ofp)
789 struct partial_symtab *ps;
790 struct partial_symtab *cs_pst = 0;
792 ALL_OBJFILE_PSYMTABS_REQUIRED (ofp, ps)
794 const char *name = ps->filename;
795 int len = strlen (name);
797 if (!(len > 2 && (strcmp (&name[len - 2], ".h") == 0
798 || strcmp (name, "<<C++-namespaces>>") == 0)))
806 internal_error (__FILE__, __LINE__,
807 _("select_source_symtab: "
808 "readin pst found and no symtabs."));
811 return PSYMTAB_TO_SYMTAB (cs_pst);
817 forget_cached_source_info_partial (struct objfile *objfile)
819 struct partial_symtab *pst;
821 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst)
823 if (pst->fullname != NULL)
825 xfree (pst->fullname);
826 pst->fullname = NULL;
832 print_partial_symbols (struct gdbarch *gdbarch,
833 struct partial_symbol **p, int count, char *what,
834 struct ui_file *outfile)
836 fprintf_filtered (outfile, " %s partial symbols:\n", what);
839 fprintf_filtered (outfile, " `%s'", SYMBOL_LINKAGE_NAME (*p));
840 if (SYMBOL_DEMANGLED_NAME (*p) != NULL)
842 fprintf_filtered (outfile, " `%s'", SYMBOL_DEMANGLED_NAME (*p));
844 fputs_filtered (", ", outfile);
845 switch (SYMBOL_DOMAIN (*p))
848 fputs_filtered ("undefined domain, ", outfile);
851 /* This is the usual thing -- don't print it. */
854 fputs_filtered ("struct domain, ", outfile);
857 fputs_filtered ("label domain, ", outfile);
860 fputs_filtered ("<invalid domain>, ", outfile);
863 switch (SYMBOL_CLASS (*p))
866 fputs_filtered ("undefined", outfile);
869 fputs_filtered ("constant int", outfile);
872 fputs_filtered ("static", outfile);
875 fputs_filtered ("register", outfile);
878 fputs_filtered ("pass by value", outfile);
881 fputs_filtered ("pass by reference", outfile);
883 case LOC_REGPARM_ADDR:
884 fputs_filtered ("register address parameter", outfile);
887 fputs_filtered ("stack parameter", outfile);
890 fputs_filtered ("type", outfile);
893 fputs_filtered ("label", outfile);
896 fputs_filtered ("function", outfile);
898 case LOC_CONST_BYTES:
899 fputs_filtered ("constant bytes", outfile);
902 fputs_filtered ("unresolved", outfile);
904 case LOC_OPTIMIZED_OUT:
905 fputs_filtered ("optimized out", outfile);
908 fputs_filtered ("computed at runtime", outfile);
911 fputs_filtered ("<invalid location>", outfile);
914 fputs_filtered (", ", outfile);
915 fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (*p)), outfile);
916 fprintf_filtered (outfile, "\n");
922 dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab,
923 struct ui_file *outfile)
925 struct gdbarch *gdbarch = get_objfile_arch (objfile);
928 fprintf_filtered (outfile, "\nPartial symtab for source file %s ",
930 fprintf_filtered (outfile, "(object ");
931 gdb_print_host_address (psymtab, outfile);
932 fprintf_filtered (outfile, ")\n\n");
933 fprintf_unfiltered (outfile, " Read from object file %s (",
935 gdb_print_host_address (objfile, outfile);
936 fprintf_unfiltered (outfile, ")\n");
940 fprintf_filtered (outfile,
941 " Full symtab was read (at ");
942 gdb_print_host_address (psymtab->symtab, outfile);
943 fprintf_filtered (outfile, " by function at ");
944 gdb_print_host_address (psymtab->read_symtab, outfile);
945 fprintf_filtered (outfile, ")\n");
948 fprintf_filtered (outfile, " Relocate symbols by ");
949 for (i = 0; i < psymtab->objfile->num_sections; ++i)
952 fprintf_filtered (outfile, ", ");
954 fputs_filtered (paddress (gdbarch,
955 ANOFFSET (psymtab->section_offsets, i)),
958 fprintf_filtered (outfile, "\n");
960 fprintf_filtered (outfile, " Symbols cover text addresses ");
961 fputs_filtered (paddress (gdbarch, psymtab->textlow), outfile);
962 fprintf_filtered (outfile, "-");
963 fputs_filtered (paddress (gdbarch, psymtab->texthigh), outfile);
964 fprintf_filtered (outfile, "\n");
965 fprintf_filtered (outfile, " Depends on %d other partial symtabs.\n",
966 psymtab->number_of_dependencies);
967 for (i = 0; i < psymtab->number_of_dependencies; i++)
969 fprintf_filtered (outfile, " %d ", i);
970 gdb_print_host_address (psymtab->dependencies[i], outfile);
971 fprintf_filtered (outfile, " %s\n",
972 psymtab->dependencies[i]->filename);
974 if (psymtab->n_global_syms > 0)
976 print_partial_symbols (gdbarch,
977 objfile->global_psymbols.list
978 + psymtab->globals_offset,
979 psymtab->n_global_syms, "Global", outfile);
981 if (psymtab->n_static_syms > 0)
983 print_partial_symbols (gdbarch,
984 objfile->static_psymbols.list
985 + psymtab->statics_offset,
986 psymtab->n_static_syms, "Static", outfile);
988 fprintf_filtered (outfile, "\n");
992 print_psymtab_stats_for_objfile (struct objfile *objfile)
995 struct partial_symtab *ps;
998 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
1000 if (ps->readin == 0)
1003 printf_filtered (_(" Number of psym tables (not yet expanded): %d\n"), i);
1007 dump_psymtabs_for_objfile (struct objfile *objfile)
1009 struct partial_symtab *psymtab;
1011 if (objfile->psymtabs)
1013 printf_filtered ("Psymtabs:\n");
1014 for (psymtab = objfile->psymtabs;
1016 psymtab = psymtab->next)
1018 printf_filtered ("%s at ",
1020 gdb_print_host_address (psymtab, gdb_stdout);
1021 printf_filtered (", ");
1022 if (psymtab->objfile != objfile)
1024 printf_filtered ("NOT ON CHAIN! ");
1028 printf_filtered ("\n\n");
1032 /* Look through the partial symtabs for all symbols which begin
1033 by matching FUNC_NAME. Make sure we read that symbol table in. */
1036 read_symtabs_for_function (struct objfile *objfile, const char *func_name)
1038 struct partial_symtab *ps;
1040 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
1045 if ((lookup_partial_symbol (ps, func_name, 1, VAR_DOMAIN)
1047 || (lookup_partial_symbol (ps, func_name, 0, VAR_DOMAIN)
1049 psymtab_to_symtab (ps);
1054 expand_partial_symbol_tables (struct objfile *objfile)
1056 struct partial_symtab *psymtab;
1058 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab)
1060 psymtab_to_symtab (psymtab);
1065 read_psymtabs_with_filename (struct objfile *objfile, const char *filename)
1067 struct partial_symtab *p;
1069 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p)
1071 if (filename_cmp (filename, p->filename) == 0)
1072 PSYMTAB_TO_SYMTAB (p);
1077 map_symbol_filenames_psymtab (struct objfile *objfile,
1078 void (*fun) (const char *, const char *,
1082 struct partial_symtab *ps;
1084 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
1086 const char *fullname;
1091 fullname = psymtab_to_fullname (ps);
1092 (*fun) (ps->filename, fullname, data);
1096 int find_and_open_source (const char *filename,
1097 const char *dirname,
1100 /* Finds the fullname that a partial_symtab represents.
1102 If this functions finds the fullname, it will save it in ps->fullname
1103 and it will also return the value.
1105 If this function fails to find the file that this partial_symtab represents,
1106 NULL will be returned and ps->fullname will be set to NULL. */
1108 psymtab_to_fullname (struct partial_symtab *ps)
1115 /* Don't check ps->fullname here, the file could have been
1116 deleted/moved/..., look for it again. */
1117 r = find_and_open_source (ps->filename, ps->dirname, &ps->fullname);
1122 return ps->fullname;
1129 find_symbol_file_from_partial (struct objfile *objfile, const char *name)
1131 struct partial_symtab *pst;
1133 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst)
1135 if (lookup_partial_symbol (pst, name, 1, VAR_DOMAIN))
1136 return pst->filename;
1141 /* For all symbols, s, in BLOCK that are in NAMESPACE and match NAME
1142 according to the function MATCH, call CALLBACK(BLOCK, s, DATA).
1143 BLOCK is assumed to come from OBJFILE. Returns 1 iff CALLBACK
1144 ever returns non-zero, and otherwise returns 0. */
1147 map_block (const char *name, domain_enum namespace, struct objfile *objfile,
1148 struct block *block,
1149 int (*callback) (struct block *, struct symbol *, void *),
1150 void *data, symbol_compare_ftype *match)
1152 struct dict_iterator iter;
1155 for (sym = dict_iter_match_first (BLOCK_DICT (block), name, match, &iter);
1156 sym != NULL; sym = dict_iter_match_next (name, match, &iter))
1158 if (symbol_matches_domain (SYMBOL_LANGUAGE (sym),
1159 SYMBOL_DOMAIN (sym), namespace))
1161 if (callback (block, sym, data))
1169 /* Psymtab version of map_matching_symbols. See its definition in
1170 the definition of quick_symbol_functions in symfile.h. */
1173 map_matching_symbols_psymtab (const char *name, domain_enum namespace,
1174 struct objfile *objfile, int global,
1175 int (*callback) (struct block *,
1176 struct symbol *, void *),
1178 symbol_compare_ftype *match,
1179 symbol_compare_ftype *ordered_compare)
1181 const int block_kind = global ? GLOBAL_BLOCK : STATIC_BLOCK;
1182 struct partial_symtab *ps;
1184 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
1188 || match_partial_symbol (ps, global, name, namespace, match,
1191 struct symtab *s = PSYMTAB_TO_SYMTAB (ps);
1192 struct block *block;
1194 if (s == NULL || !s->primary)
1196 block = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), block_kind);
1197 if (map_block (name, namespace, objfile, block,
1198 callback, data, match))
1200 if (callback (block, NULL, data))
1207 expand_symtabs_matching_via_partial (struct objfile *objfile,
1208 int (*file_matcher) (const char *,
1210 int (*name_matcher) (const char *,
1212 enum search_domain kind,
1215 struct partial_symtab *ps;
1217 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
1219 struct partial_symbol **psym;
1220 struct partial_symbol **bound, **gbound, **sbound;
1226 if (file_matcher && ! (*file_matcher) (ps->filename, data))
1229 gbound = objfile->global_psymbols.list
1230 + ps->globals_offset + ps->n_global_syms;
1231 sbound = objfile->static_psymbols.list
1232 + ps->statics_offset + ps->n_static_syms;
1235 /* Go through all of the symbols stored in a partial
1236 symtab in one loop. */
1237 psym = objfile->global_psymbols.list + ps->globals_offset;
1242 if (bound == gbound && ps->n_static_syms != 0)
1244 psym = objfile->static_psymbols.list + ps->statics_offset;
1255 if ((kind == ALL_DOMAIN
1256 || (kind == VARIABLES_DOMAIN
1257 && SYMBOL_CLASS (*psym) != LOC_TYPEDEF
1258 && SYMBOL_CLASS (*psym) != LOC_BLOCK)
1259 || (kind == FUNCTIONS_DOMAIN
1260 && SYMBOL_CLASS (*psym) == LOC_BLOCK)
1261 || (kind == TYPES_DOMAIN
1262 && SYMBOL_CLASS (*psym) == LOC_TYPEDEF))
1263 && (*name_matcher) (SYMBOL_NATURAL_NAME (*psym), data))
1265 PSYMTAB_TO_SYMTAB (ps);
1275 objfile_has_psyms (struct objfile *objfile)
1277 return objfile->psymtabs != NULL;
1280 const struct quick_symbol_functions psym_functions =
1283 find_last_source_symtab_from_partial,
1284 forget_cached_source_info_partial,
1285 lookup_symtab_via_partial_symtab,
1286 lookup_symbol_aux_psymtabs,
1287 pre_expand_symtabs_matching_psymtabs,
1288 print_psymtab_stats_for_objfile,
1289 dump_psymtabs_for_objfile,
1291 read_symtabs_for_function,
1292 expand_partial_symbol_tables,
1293 read_psymtabs_with_filename,
1294 find_symbol_file_from_partial,
1295 map_matching_symbols_psymtab,
1296 expand_symtabs_matching_via_partial,
1297 find_pc_sect_symtab_from_partial,
1298 map_symbol_filenames_psymtab
1303 /* This compares two partial symbols by names, using strcmp_iw_ordered
1304 for the comparison. */
1307 compare_psymbols (const void *s1p, const void *s2p)
1309 struct partial_symbol *const *s1 = s1p;
1310 struct partial_symbol *const *s2 = s2p;
1312 return strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*s1),
1313 SYMBOL_SEARCH_NAME (*s2));
1317 sort_pst_symbols (struct partial_symtab *pst)
1319 /* Sort the global list; don't sort the static list. */
1321 qsort (pst->objfile->global_psymbols.list + pst->globals_offset,
1322 pst->n_global_syms, sizeof (struct partial_symbol *),
1326 /* Allocate and partially fill a partial symtab. It will be
1327 completely filled at the end of the symbol list.
1329 FILENAME is the name of the symbol-file we are reading from. */
1331 struct partial_symtab *
1332 start_psymtab_common (struct objfile *objfile,
1333 struct section_offsets *section_offsets,
1334 const char *filename,
1335 CORE_ADDR textlow, struct partial_symbol **global_syms,
1336 struct partial_symbol **static_syms)
1338 struct partial_symtab *psymtab;
1340 psymtab = allocate_psymtab (filename, objfile);
1341 psymtab->section_offsets = section_offsets;
1342 psymtab->textlow = textlow;
1343 psymtab->texthigh = psymtab->textlow; /* default */
1344 psymtab->globals_offset = global_syms - objfile->global_psymbols.list;
1345 psymtab->statics_offset = static_syms - objfile->static_psymbols.list;
1349 /* Calculate a hash code for the given partial symbol. The hash is
1350 calculated using the symbol's value, language, domain, class
1351 and name. These are the values which are set by
1352 add_psymbol_to_bcache. */
1354 static unsigned long
1355 psymbol_hash (const void *addr, int length)
1357 unsigned long h = 0;
1358 struct partial_symbol *psymbol = (struct partial_symbol *) addr;
1359 unsigned int lang = psymbol->ginfo.language;
1360 unsigned int domain = PSYMBOL_DOMAIN (psymbol);
1361 unsigned int class = PSYMBOL_CLASS (psymbol);
1363 h = hash_continue (&psymbol->ginfo.value, sizeof (psymbol->ginfo.value), h);
1364 h = hash_continue (&lang, sizeof (unsigned int), h);
1365 h = hash_continue (&domain, sizeof (unsigned int), h);
1366 h = hash_continue (&class, sizeof (unsigned int), h);
1367 h = hash_continue (psymbol->ginfo.name, strlen (psymbol->ginfo.name), h);
1372 /* Returns true if the symbol at addr1 equals the symbol at addr2.
1373 For the comparison this function uses a symbols value,
1374 language, domain, class and name. */
1377 psymbol_compare (const void *addr1, const void *addr2, int length)
1379 struct partial_symbol *sym1 = (struct partial_symbol *) addr1;
1380 struct partial_symbol *sym2 = (struct partial_symbol *) addr2;
1382 return (memcmp (&sym1->ginfo.value, &sym1->ginfo.value,
1383 sizeof (sym1->ginfo.value)) == 0
1384 && sym1->ginfo.language == sym2->ginfo.language
1385 && PSYMBOL_DOMAIN (sym1) == PSYMBOL_DOMAIN (sym2)
1386 && PSYMBOL_CLASS (sym1) == PSYMBOL_CLASS (sym2)
1387 && sym1->ginfo.name == sym2->ginfo.name);
1390 /* Initialize a partial symbol bcache. */
1392 struct psymbol_bcache *
1393 psymbol_bcache_init (void)
1395 struct psymbol_bcache *bcache = XCALLOC (1, struct psymbol_bcache);
1396 bcache->bcache = bcache_xmalloc (psymbol_hash, psymbol_compare);
1400 /* Free a partial symbol bcache. */
1402 psymbol_bcache_free (struct psymbol_bcache *bcache)
1407 bcache_xfree (bcache->bcache);
1411 /* Return the internal bcache of the psymbol_bcache BCACHE. */
1414 psymbol_bcache_get_bcache (struct psymbol_bcache *bcache)
1416 return bcache->bcache;
1419 /* Find a copy of the SYM in BCACHE. If BCACHE has never seen this
1420 symbol before, add a copy to BCACHE. In either case, return a pointer
1421 to BCACHE's copy of the symbol. If optional ADDED is not NULL, return
1422 1 in case of new entry or 0 if returning an old entry. */
1424 static const struct partial_symbol *
1425 psymbol_bcache_full (struct partial_symbol *sym,
1426 struct psymbol_bcache *bcache,
1429 return bcache_full (sym,
1430 sizeof (struct partial_symbol),
1435 /* Helper function, initialises partial symbol structure and stashes
1436 it into objfile's bcache. Note that our caching mechanism will
1437 use all fields of struct partial_symbol to determine hash value of the
1438 structure. In other words, having two symbols with the same name but
1439 different domain (or address) is possible and correct. */
1441 static const struct partial_symbol *
1442 add_psymbol_to_bcache (const char *name, int namelength, int copy_name,
1444 enum address_class class,
1445 long val, /* Value as a long */
1446 CORE_ADDR coreaddr, /* Value as a CORE_ADDR */
1447 enum language language, struct objfile *objfile,
1450 struct partial_symbol psymbol;
1452 /* We must ensure that the entire 'value' field has been zeroed
1453 before assigning to it, because an assignment may not write the
1455 memset (&psymbol.ginfo.value, 0, sizeof (psymbol.ginfo.value));
1457 /* val and coreaddr are mutually exclusive, one of them *will* be zero. */
1460 SYMBOL_VALUE (&psymbol) = val;
1464 SYMBOL_VALUE_ADDRESS (&psymbol) = coreaddr;
1466 SYMBOL_SECTION (&psymbol) = 0;
1467 SYMBOL_OBJ_SECTION (&psymbol) = NULL;
1468 SYMBOL_SET_LANGUAGE (&psymbol, language);
1469 PSYMBOL_DOMAIN (&psymbol) = domain;
1470 PSYMBOL_CLASS (&psymbol) = class;
1472 SYMBOL_SET_NAMES (&psymbol, name, namelength, copy_name, objfile);
1474 /* Stash the partial symbol away in the cache. */
1475 return psymbol_bcache_full (&psymbol,
1476 objfile->psymbol_cache,
1480 /* Increase the space allocated for LISTP, which is probably
1481 global_psymbols or static_psymbols. This space will eventually
1482 be freed in free_objfile(). */
1485 extend_psymbol_list (struct psymbol_allocation_list *listp,
1486 struct objfile *objfile)
1490 if (listp->size == 0)
1493 listp->list = (struct partial_symbol **)
1494 xmalloc (new_size * sizeof (struct partial_symbol *));
1498 new_size = listp->size * 2;
1499 listp->list = (struct partial_symbol **)
1500 xrealloc ((char *) listp->list,
1501 new_size * sizeof (struct partial_symbol *));
1503 /* Next assumes we only went one over. Should be good if
1504 program works correctly. */
1505 listp->next = listp->list + listp->size;
1506 listp->size = new_size;
1509 /* Helper function, adds partial symbol to the given partial symbol
1513 append_psymbol_to_list (struct psymbol_allocation_list *list,
1514 const struct partial_symbol *psym,
1515 struct objfile *objfile)
1517 if (list->next >= list->list + list->size)
1518 extend_psymbol_list (list, objfile);
1519 *list->next++ = (struct partial_symbol *) psym;
1520 OBJSTAT (objfile, n_psyms++);
1523 /* Add a symbol with a long value to a psymtab.
1524 Since one arg is a struct, we pass in a ptr and deref it (sigh).
1525 Return the partial symbol that has been added. */
1527 /* NOTE: carlton/2003-09-11: The reason why we return the partial
1528 symbol is so that callers can get access to the symbol's demangled
1529 name, which they don't have any cheap way to determine otherwise.
1530 (Currenly, dwarf2read.c is the only file who uses that information,
1531 though it's possible that other readers might in the future.)
1532 Elena wasn't thrilled about that, and I don't blame her, but we
1533 couldn't come up with a better way to get that information. If
1534 it's needed in other situations, we could consider breaking up
1535 SYMBOL_SET_NAMES to provide access to the demangled name lookup
1538 const struct partial_symbol *
1539 add_psymbol_to_list (const char *name, int namelength, int copy_name,
1541 enum address_class class,
1542 struct psymbol_allocation_list *list,
1543 long val, /* Value as a long */
1544 CORE_ADDR coreaddr, /* Value as a CORE_ADDR */
1545 enum language language, struct objfile *objfile)
1547 const struct partial_symbol *psym;
1551 /* Stash the partial symbol away in the cache. */
1552 psym = add_psymbol_to_bcache (name, namelength, copy_name, domain, class,
1553 val, coreaddr, language, objfile, &added);
1555 /* Do not duplicate global partial symbols. */
1556 if (list == &objfile->global_psymbols
1560 /* Save pointer to partial symbol in psymtab, growing symtab if needed. */
1561 append_psymbol_to_list (list, psym, objfile);
1565 /* Initialize storage for partial symbols. */
1568 init_psymbol_list (struct objfile *objfile, int total_symbols)
1570 /* Free any previously allocated psymbol lists. */
1572 if (objfile->global_psymbols.list)
1574 xfree (objfile->global_psymbols.list);
1576 if (objfile->static_psymbols.list)
1578 xfree (objfile->static_psymbols.list);
1581 /* Current best guess is that approximately a twentieth
1582 of the total symbols (in a debugging file) are global or static
1583 oriented symbols. */
1585 objfile->global_psymbols.size = total_symbols / 10;
1586 objfile->static_psymbols.size = total_symbols / 10;
1588 if (objfile->global_psymbols.size > 0)
1590 objfile->global_psymbols.next =
1591 objfile->global_psymbols.list = (struct partial_symbol **)
1592 xmalloc ((objfile->global_psymbols.size
1593 * sizeof (struct partial_symbol *)));
1595 if (objfile->static_psymbols.size > 0)
1597 objfile->static_psymbols.next =
1598 objfile->static_psymbols.list = (struct partial_symbol **)
1599 xmalloc ((objfile->static_psymbols.size
1600 * sizeof (struct partial_symbol *)));
1604 struct partial_symtab *
1605 allocate_psymtab (const char *filename, struct objfile *objfile)
1607 struct partial_symtab *psymtab;
1609 if (objfile->free_psymtabs)
1611 psymtab = objfile->free_psymtabs;
1612 objfile->free_psymtabs = psymtab->next;
1615 psymtab = (struct partial_symtab *)
1616 obstack_alloc (&objfile->objfile_obstack,
1617 sizeof (struct partial_symtab));
1619 memset (psymtab, 0, sizeof (struct partial_symtab));
1620 psymtab->filename = obsavestring (filename, strlen (filename),
1621 &objfile->objfile_obstack);
1622 psymtab->symtab = NULL;
1624 /* Prepend it to the psymtab list for the objfile it belongs to.
1625 Psymtabs are searched in most recent inserted -> least recent
1628 psymtab->objfile = objfile;
1629 psymtab->next = objfile->psymtabs;
1630 objfile->psymtabs = psymtab;
1636 discard_psymtab (struct partial_symtab *pst)
1638 struct partial_symtab **prev_pst;
1641 Empty psymtabs happen as a result of header files which don't
1642 have any symbols in them. There can be a lot of them. But this
1643 check is wrong, in that a psymtab with N_SLINE entries but
1644 nothing else is not empty, but we don't realize that. Fixing
1645 that without slowing things down might be tricky. */
1647 /* First, snip it out of the psymtab chain. */
1649 prev_pst = &(pst->objfile->psymtabs);
1650 while ((*prev_pst) != pst)
1651 prev_pst = &((*prev_pst)->next);
1652 (*prev_pst) = pst->next;
1654 /* Next, put it on a free list for recycling. */
1656 pst->next = pst->objfile->free_psymtabs;
1657 pst->objfile->free_psymtabs = pst;
1663 maintenance_print_psymbols (char *args, int from_tty)
1666 struct ui_file *outfile;
1667 struct cleanup *cleanups;
1668 char *symname = NULL;
1669 char *filename = DEV_TTY;
1670 struct objfile *objfile;
1671 struct partial_symtab *ps;
1678 print-psymbols takes an output file name and optional symbol file name"));
1680 argv = gdb_buildargv (args);
1681 cleanups = make_cleanup_freeargv (argv);
1683 if (argv[0] != NULL)
1686 /* If a second arg is supplied, it is a source file name to match on. */
1687 if (argv[1] != NULL)
1693 filename = tilde_expand (filename);
1694 make_cleanup (xfree, filename);
1696 outfile = gdb_fopen (filename, FOPEN_WT);
1698 perror_with_name (filename);
1699 make_cleanup_ui_file_delete (outfile);
1702 ALL_PSYMTABS (objfile, ps)
1703 if (symname == NULL || filename_cmp (symname, ps->filename) == 0)
1704 dump_psymtab (objfile, ps, outfile);
1706 do_cleanups (cleanups);
1709 /* List all the partial symbol tables whose names match REGEXP (optional). */
1711 maintenance_info_psymtabs (char *regexp, int from_tty)
1713 struct program_space *pspace;
1714 struct objfile *objfile;
1719 ALL_PSPACES (pspace)
1720 ALL_PSPACE_OBJFILES (pspace, objfile)
1722 struct gdbarch *gdbarch = get_objfile_arch (objfile);
1723 struct partial_symtab *psymtab;
1725 /* We don't want to print anything for this objfile until we
1726 actually find a symtab whose name matches. */
1727 int printed_objfile_start = 0;
1729 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab)
1734 || re_exec (psymtab->filename))
1736 if (! printed_objfile_start)
1738 printf_filtered ("{ objfile %s ", objfile->name);
1740 printf_filtered ("((struct objfile *) %s)\n",
1741 host_address_to_string (objfile));
1742 printed_objfile_start = 1;
1745 printf_filtered (" { psymtab %s ", psymtab->filename);
1747 printf_filtered ("((struct partial_symtab *) %s)\n",
1748 host_address_to_string (psymtab));
1750 printf_filtered (" readin %s\n",
1751 psymtab->readin ? "yes" : "no");
1752 printf_filtered (" fullname %s\n",
1754 ? psymtab->fullname : "(null)");
1755 printf_filtered (" text addresses ");
1756 fputs_filtered (paddress (gdbarch, psymtab->textlow),
1758 printf_filtered (" -- ");
1759 fputs_filtered (paddress (gdbarch, psymtab->texthigh),
1761 printf_filtered ("\n");
1762 printf_filtered (" globals ");
1763 if (psymtab->n_global_syms)
1765 printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n",
1766 host_address_to_string (psymtab->objfile->global_psymbols.list
1767 + psymtab->globals_offset),
1768 psymtab->n_global_syms);
1771 printf_filtered ("(none)\n");
1772 printf_filtered (" statics ");
1773 if (psymtab->n_static_syms)
1775 printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n",
1776 host_address_to_string (psymtab->objfile->static_psymbols.list
1777 + psymtab->statics_offset),
1778 psymtab->n_static_syms);
1781 printf_filtered ("(none)\n");
1782 printf_filtered (" dependencies ");
1783 if (psymtab->number_of_dependencies)
1787 printf_filtered ("{\n");
1788 for (i = 0; i < psymtab->number_of_dependencies; i++)
1790 struct partial_symtab *dep = psymtab->dependencies[i];
1792 /* Note the string concatenation there --- no comma. */
1793 printf_filtered (" psymtab %s "
1794 "((struct partial_symtab *) %s)\n",
1796 host_address_to_string (dep));
1798 printf_filtered (" }\n");
1801 printf_filtered ("(none)\n");
1802 printf_filtered (" }\n");
1806 if (printed_objfile_start)
1807 printf_filtered ("}\n");
1811 /* Check consistency of psymtabs and symtabs. */
1814 maintenance_check_symtabs (char *ignore, int from_tty)
1817 struct partial_symbol **psym;
1818 struct symtab *s = NULL;
1819 struct partial_symtab *ps;
1820 struct blockvector *bv;
1821 struct objfile *objfile;
1825 ALL_PSYMTABS (objfile, ps)
1827 struct gdbarch *gdbarch = get_objfile_arch (objfile);
1829 s = PSYMTAB_TO_SYMTAB (ps);
1832 bv = BLOCKVECTOR (s);
1833 b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
1834 psym = ps->objfile->static_psymbols.list + ps->statics_offset;
1835 length = ps->n_static_syms;
1838 sym = lookup_block_symbol (b, SYMBOL_LINKAGE_NAME (*psym),
1839 SYMBOL_DOMAIN (*psym));
1842 printf_filtered ("Static symbol `");
1843 puts_filtered (SYMBOL_LINKAGE_NAME (*psym));
1844 printf_filtered ("' only found in ");
1845 puts_filtered (ps->filename);
1846 printf_filtered (" psymtab\n");
1850 b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
1851 psym = ps->objfile->global_psymbols.list + ps->globals_offset;
1852 length = ps->n_global_syms;
1855 sym = lookup_block_symbol (b, SYMBOL_LINKAGE_NAME (*psym),
1856 SYMBOL_DOMAIN (*psym));
1859 printf_filtered ("Global symbol `");
1860 puts_filtered (SYMBOL_LINKAGE_NAME (*psym));
1861 printf_filtered ("' only found in ");
1862 puts_filtered (ps->filename);
1863 printf_filtered (" psymtab\n");
1867 if (ps->texthigh < ps->textlow)
1869 printf_filtered ("Psymtab ");
1870 puts_filtered (ps->filename);
1871 printf_filtered (" covers bad range ");
1872 fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout);
1873 printf_filtered (" - ");
1874 fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout);
1875 printf_filtered ("\n");
1878 if (ps->texthigh == 0)
1880 if (ps->textlow < BLOCK_START (b) || ps->texthigh > BLOCK_END (b))
1882 printf_filtered ("Psymtab ");
1883 puts_filtered (ps->filename);
1884 printf_filtered (" covers ");
1885 fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout);
1886 printf_filtered (" - ");
1887 fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout);
1888 printf_filtered (" but symtab covers only ");
1889 fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout);
1890 printf_filtered (" - ");
1891 fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout);
1892 printf_filtered ("\n");
1900 expand_partial_symbol_names (int (*fun) (const char *, void *), void *data)
1902 struct objfile *objfile;
1904 ALL_OBJFILES (objfile)
1907 objfile->sf->qf->expand_symtabs_matching (objfile, NULL, fun,
1913 map_partial_symbol_filenames (void (*fun) (const char *, const char *,
1917 struct objfile *objfile;
1919 ALL_OBJFILES (objfile)
1922 objfile->sf->qf->map_symbol_filenames (objfile, fun, data);