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_names_psymtab (struct objfile *objfile,
1078 void (*fun) (const char *, void *), void *data)
1080 struct partial_symtab *ps;
1082 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
1084 struct partial_symbol **psym;
1086 /* If the psymtab's been read in we'll get it when we search
1087 through the blockvector. */
1091 for (psym = objfile->global_psymbols.list + ps->globals_offset;
1092 psym < (objfile->global_psymbols.list + ps->globals_offset
1093 + ps->n_global_syms);
1096 /* If interrupted, then quit. */
1098 (*fun) (SYMBOL_NATURAL_NAME (*psym), data);
1101 for (psym = objfile->static_psymbols.list + ps->statics_offset;
1102 psym < (objfile->static_psymbols.list + ps->statics_offset
1103 + ps->n_static_syms);
1107 (*fun) (SYMBOL_NATURAL_NAME (*psym), data);
1113 map_symbol_filenames_psymtab (struct objfile *objfile,
1114 void (*fun) (const char *, const char *,
1118 struct partial_symtab *ps;
1120 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
1122 const char *fullname;
1127 fullname = psymtab_to_fullname (ps);
1128 (*fun) (ps->filename, fullname, data);
1132 int find_and_open_source (const char *filename,
1133 const char *dirname,
1136 /* Finds the fullname that a partial_symtab represents.
1138 If this functions finds the fullname, it will save it in ps->fullname
1139 and it will also return the value.
1141 If this function fails to find the file that this partial_symtab represents,
1142 NULL will be returned and ps->fullname will be set to NULL. */
1144 psymtab_to_fullname (struct partial_symtab *ps)
1151 /* Don't check ps->fullname here, the file could have been
1152 deleted/moved/..., look for it again. */
1153 r = find_and_open_source (ps->filename, ps->dirname, &ps->fullname);
1158 return ps->fullname;
1165 find_symbol_file_from_partial (struct objfile *objfile, const char *name)
1167 struct partial_symtab *pst;
1169 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst)
1171 if (lookup_partial_symbol (pst, name, 1, VAR_DOMAIN))
1172 return pst->filename;
1177 /* For all symbols, s, in BLOCK that are in NAMESPACE and match NAME
1178 according to the function MATCH, call CALLBACK(BLOCK, s, DATA).
1179 BLOCK is assumed to come from OBJFILE. Returns 1 iff CALLBACK
1180 ever returns non-zero, and otherwise returns 0. */
1183 map_block (const char *name, domain_enum namespace, struct objfile *objfile,
1184 struct block *block,
1185 int (*callback) (struct block *, struct symbol *, void *),
1186 void *data, symbol_compare_ftype *match)
1188 struct dict_iterator iter;
1191 for (sym = dict_iter_match_first (BLOCK_DICT (block), name, match, &iter);
1192 sym != NULL; sym = dict_iter_match_next (name, match, &iter))
1194 if (symbol_matches_domain (SYMBOL_LANGUAGE (sym),
1195 SYMBOL_DOMAIN (sym), namespace))
1197 if (callback (block, sym, data))
1205 /* Psymtab version of map_matching_symbols. See its definition in
1206 the definition of quick_symbol_functions in symfile.h. */
1209 map_matching_symbols_psymtab (const char *name, domain_enum namespace,
1210 struct objfile *objfile, int global,
1211 int (*callback) (struct block *,
1212 struct symbol *, void *),
1214 symbol_compare_ftype *match,
1215 symbol_compare_ftype *ordered_compare)
1217 const int block_kind = global ? GLOBAL_BLOCK : STATIC_BLOCK;
1218 struct partial_symtab *ps;
1220 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
1224 || match_partial_symbol (ps, global, name, namespace, match,
1227 struct symtab *s = PSYMTAB_TO_SYMTAB (ps);
1228 struct block *block;
1230 if (s == NULL || !s->primary)
1232 block = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), block_kind);
1233 if (map_block (name, namespace, objfile, block,
1234 callback, data, match))
1236 if (callback (block, NULL, data))
1243 expand_symtabs_matching_via_partial (struct objfile *objfile,
1244 int (*file_matcher) (const char *,
1246 int (*name_matcher) (const char *,
1248 enum search_domain kind,
1251 struct partial_symtab *ps;
1253 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
1255 struct partial_symbol **psym;
1256 struct partial_symbol **bound, **gbound, **sbound;
1262 if (! (*file_matcher) (ps->filename, data))
1265 gbound = objfile->global_psymbols.list
1266 + ps->globals_offset + ps->n_global_syms;
1267 sbound = objfile->static_psymbols.list
1268 + ps->statics_offset + ps->n_static_syms;
1271 /* Go through all of the symbols stored in a partial
1272 symtab in one loop. */
1273 psym = objfile->global_psymbols.list + ps->globals_offset;
1278 if (bound == gbound && ps->n_static_syms != 0)
1280 psym = objfile->static_psymbols.list + ps->statics_offset;
1291 if ((*name_matcher) (SYMBOL_NATURAL_NAME (*psym), data)
1292 && ((kind == VARIABLES_DOMAIN
1293 && SYMBOL_CLASS (*psym) != LOC_TYPEDEF
1294 && SYMBOL_CLASS (*psym) != LOC_BLOCK)
1295 || (kind == FUNCTIONS_DOMAIN
1296 && SYMBOL_CLASS (*psym) == LOC_BLOCK)
1297 || (kind == TYPES_DOMAIN
1298 && SYMBOL_CLASS (*psym) == LOC_TYPEDEF)))
1300 PSYMTAB_TO_SYMTAB (ps);
1310 objfile_has_psyms (struct objfile *objfile)
1312 return objfile->psymtabs != NULL;
1315 const struct quick_symbol_functions psym_functions =
1318 find_last_source_symtab_from_partial,
1319 forget_cached_source_info_partial,
1320 lookup_symtab_via_partial_symtab,
1321 lookup_symbol_aux_psymtabs,
1322 pre_expand_symtabs_matching_psymtabs,
1323 print_psymtab_stats_for_objfile,
1324 dump_psymtabs_for_objfile,
1326 read_symtabs_for_function,
1327 expand_partial_symbol_tables,
1328 read_psymtabs_with_filename,
1329 find_symbol_file_from_partial,
1330 map_matching_symbols_psymtab,
1331 expand_symtabs_matching_via_partial,
1332 find_pc_sect_symtab_from_partial,
1333 map_symbol_names_psymtab,
1334 map_symbol_filenames_psymtab
1339 /* This compares two partial symbols by names, using strcmp_iw_ordered
1340 for the comparison. */
1343 compare_psymbols (const void *s1p, const void *s2p)
1345 struct partial_symbol *const *s1 = s1p;
1346 struct partial_symbol *const *s2 = s2p;
1348 return strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*s1),
1349 SYMBOL_SEARCH_NAME (*s2));
1353 sort_pst_symbols (struct partial_symtab *pst)
1355 /* Sort the global list; don't sort the static list. */
1357 qsort (pst->objfile->global_psymbols.list + pst->globals_offset,
1358 pst->n_global_syms, sizeof (struct partial_symbol *),
1362 /* Allocate and partially fill a partial symtab. It will be
1363 completely filled at the end of the symbol list.
1365 FILENAME is the name of the symbol-file we are reading from. */
1367 struct partial_symtab *
1368 start_psymtab_common (struct objfile *objfile,
1369 struct section_offsets *section_offsets,
1370 const char *filename,
1371 CORE_ADDR textlow, struct partial_symbol **global_syms,
1372 struct partial_symbol **static_syms)
1374 struct partial_symtab *psymtab;
1376 psymtab = allocate_psymtab (filename, objfile);
1377 psymtab->section_offsets = section_offsets;
1378 psymtab->textlow = textlow;
1379 psymtab->texthigh = psymtab->textlow; /* default */
1380 psymtab->globals_offset = global_syms - objfile->global_psymbols.list;
1381 psymtab->statics_offset = static_syms - objfile->static_psymbols.list;
1385 /* Calculate a hash code for the given partial symbol. The hash is
1386 calculated using the symbol's value, language, domain, class
1387 and name. These are the values which are set by
1388 add_psymbol_to_bcache. */
1390 static unsigned long
1391 psymbol_hash (const void *addr, int length)
1393 unsigned long h = 0;
1394 struct partial_symbol *psymbol = (struct partial_symbol *) addr;
1395 unsigned int lang = psymbol->ginfo.language;
1396 unsigned int domain = PSYMBOL_DOMAIN (psymbol);
1397 unsigned int class = PSYMBOL_CLASS (psymbol);
1399 h = hash_continue (&psymbol->ginfo.value, sizeof (psymbol->ginfo.value), h);
1400 h = hash_continue (&lang, sizeof (unsigned int), h);
1401 h = hash_continue (&domain, sizeof (unsigned int), h);
1402 h = hash_continue (&class, sizeof (unsigned int), h);
1403 h = hash_continue (psymbol->ginfo.name, strlen (psymbol->ginfo.name), h);
1408 /* Returns true if the symbol at addr1 equals the symbol at addr2.
1409 For the comparison this function uses a symbols value,
1410 language, domain, class and name. */
1413 psymbol_compare (const void *addr1, const void *addr2, int length)
1415 struct partial_symbol *sym1 = (struct partial_symbol *) addr1;
1416 struct partial_symbol *sym2 = (struct partial_symbol *) addr2;
1418 return (memcmp (&sym1->ginfo.value, &sym1->ginfo.value,
1419 sizeof (sym1->ginfo.value)) == 0
1420 && sym1->ginfo.language == sym2->ginfo.language
1421 && PSYMBOL_DOMAIN (sym1) == PSYMBOL_DOMAIN (sym2)
1422 && PSYMBOL_CLASS (sym1) == PSYMBOL_CLASS (sym2)
1423 && sym1->ginfo.name == sym2->ginfo.name);
1426 /* Initialize a partial symbol bcache. */
1428 struct psymbol_bcache *
1429 psymbol_bcache_init (void)
1431 struct psymbol_bcache *bcache = XCALLOC (1, struct psymbol_bcache);
1432 bcache->bcache = bcache_xmalloc (psymbol_hash, psymbol_compare);
1436 /* Free a partial symbol bcache. */
1438 psymbol_bcache_free (struct psymbol_bcache *bcache)
1443 bcache_xfree (bcache->bcache);
1447 /* Return the internal bcache of the psymbol_bcache BCACHE. */
1450 psymbol_bcache_get_bcache (struct psymbol_bcache *bcache)
1452 return bcache->bcache;
1455 /* Find a copy of the SYM in BCACHE. If BCACHE has never seen this
1456 symbol before, add a copy to BCACHE. In either case, return a pointer
1457 to BCACHE's copy of the symbol. If optional ADDED is not NULL, return
1458 1 in case of new entry or 0 if returning an old entry. */
1460 static const struct partial_symbol *
1461 psymbol_bcache_full (struct partial_symbol *sym,
1462 struct psymbol_bcache *bcache,
1465 return bcache_full (sym,
1466 sizeof (struct partial_symbol),
1471 /* Helper function, initialises partial symbol structure and stashes
1472 it into objfile's bcache. Note that our caching mechanism will
1473 use all fields of struct partial_symbol to determine hash value of the
1474 structure. In other words, having two symbols with the same name but
1475 different domain (or address) is possible and correct. */
1477 static const struct partial_symbol *
1478 add_psymbol_to_bcache (const char *name, int namelength, int copy_name,
1480 enum address_class class,
1481 long val, /* Value as a long */
1482 CORE_ADDR coreaddr, /* Value as a CORE_ADDR */
1483 enum language language, struct objfile *objfile,
1486 struct partial_symbol psymbol;
1488 /* We must ensure that the entire 'value' field has been zeroed
1489 before assigning to it, because an assignment may not write the
1491 memset (&psymbol.ginfo.value, 0, sizeof (psymbol.ginfo.value));
1493 /* val and coreaddr are mutually exclusive, one of them *will* be zero. */
1496 SYMBOL_VALUE (&psymbol) = val;
1500 SYMBOL_VALUE_ADDRESS (&psymbol) = coreaddr;
1502 SYMBOL_SECTION (&psymbol) = 0;
1503 SYMBOL_OBJ_SECTION (&psymbol) = NULL;
1504 SYMBOL_SET_LANGUAGE (&psymbol, language);
1505 PSYMBOL_DOMAIN (&psymbol) = domain;
1506 PSYMBOL_CLASS (&psymbol) = class;
1508 SYMBOL_SET_NAMES (&psymbol, name, namelength, copy_name, objfile);
1510 /* Stash the partial symbol away in the cache. */
1511 return psymbol_bcache_full (&psymbol,
1512 objfile->psymbol_cache,
1516 /* Increase the space allocated for LISTP, which is probably
1517 global_psymbols or static_psymbols. This space will eventually
1518 be freed in free_objfile(). */
1521 extend_psymbol_list (struct psymbol_allocation_list *listp,
1522 struct objfile *objfile)
1526 if (listp->size == 0)
1529 listp->list = (struct partial_symbol **)
1530 xmalloc (new_size * sizeof (struct partial_symbol *));
1534 new_size = listp->size * 2;
1535 listp->list = (struct partial_symbol **)
1536 xrealloc ((char *) listp->list,
1537 new_size * sizeof (struct partial_symbol *));
1539 /* Next assumes we only went one over. Should be good if
1540 program works correctly. */
1541 listp->next = listp->list + listp->size;
1542 listp->size = new_size;
1545 /* Helper function, adds partial symbol to the given partial symbol
1549 append_psymbol_to_list (struct psymbol_allocation_list *list,
1550 const struct partial_symbol *psym,
1551 struct objfile *objfile)
1553 if (list->next >= list->list + list->size)
1554 extend_psymbol_list (list, objfile);
1555 *list->next++ = (struct partial_symbol *) psym;
1556 OBJSTAT (objfile, n_psyms++);
1559 /* Add a symbol with a long value to a psymtab.
1560 Since one arg is a struct, we pass in a ptr and deref it (sigh).
1561 Return the partial symbol that has been added. */
1563 /* NOTE: carlton/2003-09-11: The reason why we return the partial
1564 symbol is so that callers can get access to the symbol's demangled
1565 name, which they don't have any cheap way to determine otherwise.
1566 (Currenly, dwarf2read.c is the only file who uses that information,
1567 though it's possible that other readers might in the future.)
1568 Elena wasn't thrilled about that, and I don't blame her, but we
1569 couldn't come up with a better way to get that information. If
1570 it's needed in other situations, we could consider breaking up
1571 SYMBOL_SET_NAMES to provide access to the demangled name lookup
1574 const struct partial_symbol *
1575 add_psymbol_to_list (const char *name, int namelength, int copy_name,
1577 enum address_class class,
1578 struct psymbol_allocation_list *list,
1579 long val, /* Value as a long */
1580 CORE_ADDR coreaddr, /* Value as a CORE_ADDR */
1581 enum language language, struct objfile *objfile)
1583 const struct partial_symbol *psym;
1587 /* Stash the partial symbol away in the cache. */
1588 psym = add_psymbol_to_bcache (name, namelength, copy_name, domain, class,
1589 val, coreaddr, language, objfile, &added);
1591 /* Do not duplicate global partial symbols. */
1592 if (list == &objfile->global_psymbols
1596 /* Save pointer to partial symbol in psymtab, growing symtab if needed. */
1597 append_psymbol_to_list (list, psym, objfile);
1601 /* Initialize storage for partial symbols. */
1604 init_psymbol_list (struct objfile *objfile, int total_symbols)
1606 /* Free any previously allocated psymbol lists. */
1608 if (objfile->global_psymbols.list)
1610 xfree (objfile->global_psymbols.list);
1612 if (objfile->static_psymbols.list)
1614 xfree (objfile->static_psymbols.list);
1617 /* Current best guess is that approximately a twentieth
1618 of the total symbols (in a debugging file) are global or static
1619 oriented symbols. */
1621 objfile->global_psymbols.size = total_symbols / 10;
1622 objfile->static_psymbols.size = total_symbols / 10;
1624 if (objfile->global_psymbols.size > 0)
1626 objfile->global_psymbols.next =
1627 objfile->global_psymbols.list = (struct partial_symbol **)
1628 xmalloc ((objfile->global_psymbols.size
1629 * sizeof (struct partial_symbol *)));
1631 if (objfile->static_psymbols.size > 0)
1633 objfile->static_psymbols.next =
1634 objfile->static_psymbols.list = (struct partial_symbol **)
1635 xmalloc ((objfile->static_psymbols.size
1636 * sizeof (struct partial_symbol *)));
1640 struct partial_symtab *
1641 allocate_psymtab (const char *filename, struct objfile *objfile)
1643 struct partial_symtab *psymtab;
1645 if (objfile->free_psymtabs)
1647 psymtab = objfile->free_psymtabs;
1648 objfile->free_psymtabs = psymtab->next;
1651 psymtab = (struct partial_symtab *)
1652 obstack_alloc (&objfile->objfile_obstack,
1653 sizeof (struct partial_symtab));
1655 memset (psymtab, 0, sizeof (struct partial_symtab));
1656 psymtab->filename = obsavestring (filename, strlen (filename),
1657 &objfile->objfile_obstack);
1658 psymtab->symtab = NULL;
1660 /* Prepend it to the psymtab list for the objfile it belongs to.
1661 Psymtabs are searched in most recent inserted -> least recent
1664 psymtab->objfile = objfile;
1665 psymtab->next = objfile->psymtabs;
1666 objfile->psymtabs = psymtab;
1672 discard_psymtab (struct partial_symtab *pst)
1674 struct partial_symtab **prev_pst;
1677 Empty psymtabs happen as a result of header files which don't
1678 have any symbols in them. There can be a lot of them. But this
1679 check is wrong, in that a psymtab with N_SLINE entries but
1680 nothing else is not empty, but we don't realize that. Fixing
1681 that without slowing things down might be tricky. */
1683 /* First, snip it out of the psymtab chain. */
1685 prev_pst = &(pst->objfile->psymtabs);
1686 while ((*prev_pst) != pst)
1687 prev_pst = &((*prev_pst)->next);
1688 (*prev_pst) = pst->next;
1690 /* Next, put it on a free list for recycling. */
1692 pst->next = pst->objfile->free_psymtabs;
1693 pst->objfile->free_psymtabs = pst;
1699 maintenance_print_psymbols (char *args, int from_tty)
1702 struct ui_file *outfile;
1703 struct cleanup *cleanups;
1704 char *symname = NULL;
1705 char *filename = DEV_TTY;
1706 struct objfile *objfile;
1707 struct partial_symtab *ps;
1714 print-psymbols takes an output file name and optional symbol file name"));
1716 argv = gdb_buildargv (args);
1717 cleanups = make_cleanup_freeargv (argv);
1719 if (argv[0] != NULL)
1722 /* If a second arg is supplied, it is a source file name to match on. */
1723 if (argv[1] != NULL)
1729 filename = tilde_expand (filename);
1730 make_cleanup (xfree, filename);
1732 outfile = gdb_fopen (filename, FOPEN_WT);
1734 perror_with_name (filename);
1735 make_cleanup_ui_file_delete (outfile);
1738 ALL_PSYMTABS (objfile, ps)
1739 if (symname == NULL || filename_cmp (symname, ps->filename) == 0)
1740 dump_psymtab (objfile, ps, outfile);
1742 do_cleanups (cleanups);
1745 /* List all the partial symbol tables whose names match REGEXP (optional). */
1747 maintenance_info_psymtabs (char *regexp, int from_tty)
1749 struct program_space *pspace;
1750 struct objfile *objfile;
1755 ALL_PSPACES (pspace)
1756 ALL_PSPACE_OBJFILES (pspace, objfile)
1758 struct gdbarch *gdbarch = get_objfile_arch (objfile);
1759 struct partial_symtab *psymtab;
1761 /* We don't want to print anything for this objfile until we
1762 actually find a symtab whose name matches. */
1763 int printed_objfile_start = 0;
1765 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab)
1770 || re_exec (psymtab->filename))
1772 if (! printed_objfile_start)
1774 printf_filtered ("{ objfile %s ", objfile->name);
1776 printf_filtered ("((struct objfile *) %s)\n",
1777 host_address_to_string (objfile));
1778 printed_objfile_start = 1;
1781 printf_filtered (" { psymtab %s ", psymtab->filename);
1783 printf_filtered ("((struct partial_symtab *) %s)\n",
1784 host_address_to_string (psymtab));
1786 printf_filtered (" readin %s\n",
1787 psymtab->readin ? "yes" : "no");
1788 printf_filtered (" fullname %s\n",
1790 ? psymtab->fullname : "(null)");
1791 printf_filtered (" text addresses ");
1792 fputs_filtered (paddress (gdbarch, psymtab->textlow),
1794 printf_filtered (" -- ");
1795 fputs_filtered (paddress (gdbarch, psymtab->texthigh),
1797 printf_filtered ("\n");
1798 printf_filtered (" globals ");
1799 if (psymtab->n_global_syms)
1801 printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n",
1802 host_address_to_string (psymtab->objfile->global_psymbols.list
1803 + psymtab->globals_offset),
1804 psymtab->n_global_syms);
1807 printf_filtered ("(none)\n");
1808 printf_filtered (" statics ");
1809 if (psymtab->n_static_syms)
1811 printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n",
1812 host_address_to_string (psymtab->objfile->static_psymbols.list
1813 + psymtab->statics_offset),
1814 psymtab->n_static_syms);
1817 printf_filtered ("(none)\n");
1818 printf_filtered (" dependencies ");
1819 if (psymtab->number_of_dependencies)
1823 printf_filtered ("{\n");
1824 for (i = 0; i < psymtab->number_of_dependencies; i++)
1826 struct partial_symtab *dep = psymtab->dependencies[i];
1828 /* Note the string concatenation there --- no comma. */
1829 printf_filtered (" psymtab %s "
1830 "((struct partial_symtab *) %s)\n",
1832 host_address_to_string (dep));
1834 printf_filtered (" }\n");
1837 printf_filtered ("(none)\n");
1838 printf_filtered (" }\n");
1842 if (printed_objfile_start)
1843 printf_filtered ("}\n");
1847 /* Check consistency of psymtabs and symtabs. */
1850 maintenance_check_symtabs (char *ignore, int from_tty)
1853 struct partial_symbol **psym;
1854 struct symtab *s = NULL;
1855 struct partial_symtab *ps;
1856 struct blockvector *bv;
1857 struct objfile *objfile;
1861 ALL_PSYMTABS (objfile, ps)
1863 struct gdbarch *gdbarch = get_objfile_arch (objfile);
1865 s = PSYMTAB_TO_SYMTAB (ps);
1868 bv = BLOCKVECTOR (s);
1869 b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
1870 psym = ps->objfile->static_psymbols.list + ps->statics_offset;
1871 length = ps->n_static_syms;
1874 sym = lookup_block_symbol (b, SYMBOL_LINKAGE_NAME (*psym),
1875 SYMBOL_DOMAIN (*psym));
1878 printf_filtered ("Static symbol `");
1879 puts_filtered (SYMBOL_LINKAGE_NAME (*psym));
1880 printf_filtered ("' only found in ");
1881 puts_filtered (ps->filename);
1882 printf_filtered (" psymtab\n");
1886 b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
1887 psym = ps->objfile->global_psymbols.list + ps->globals_offset;
1888 length = ps->n_global_syms;
1891 sym = lookup_block_symbol (b, SYMBOL_LINKAGE_NAME (*psym),
1892 SYMBOL_DOMAIN (*psym));
1895 printf_filtered ("Global symbol `");
1896 puts_filtered (SYMBOL_LINKAGE_NAME (*psym));
1897 printf_filtered ("' only found in ");
1898 puts_filtered (ps->filename);
1899 printf_filtered (" psymtab\n");
1903 if (ps->texthigh < ps->textlow)
1905 printf_filtered ("Psymtab ");
1906 puts_filtered (ps->filename);
1907 printf_filtered (" covers bad range ");
1908 fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout);
1909 printf_filtered (" - ");
1910 fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout);
1911 printf_filtered ("\n");
1914 if (ps->texthigh == 0)
1916 if (ps->textlow < BLOCK_START (b) || ps->texthigh > BLOCK_END (b))
1918 printf_filtered ("Psymtab ");
1919 puts_filtered (ps->filename);
1920 printf_filtered (" covers ");
1921 fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout);
1922 printf_filtered (" - ");
1923 fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout);
1924 printf_filtered (" but symtab covers only ");
1925 fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout);
1926 printf_filtered (" - ");
1927 fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout);
1928 printf_filtered ("\n");
1936 map_partial_symbol_names (void (*fun) (const char *, void *), void *data)
1938 struct objfile *objfile;
1940 ALL_OBJFILES (objfile)
1943 objfile->sf->qf->map_symbol_names (objfile, fun, data);
1948 map_partial_symbol_filenames (void (*fun) (const char *, const char *,
1952 struct objfile *objfile;
1954 ALL_OBJFILES (objfile)
1957 objfile->sf->qf->map_symbol_filenames (objfile, fun, data);