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 /* For `case_sensitivity == case_sensitive_off' strcmp_iw_ordered will
695 search more exactly than what matches SYMBOL_MATCHES_SEARCH_NAME. */
696 while (top >= start && SYMBOL_MATCHES_SEARCH_NAME (*top, search_name))
699 /* Fixup to have a symbol which matches SYMBOL_MATCHES_SEARCH_NAME. */
702 while (top <= real_top && SYMBOL_MATCHES_SEARCH_NAME (*top, search_name))
704 if (symbol_matches_domain (SYMBOL_LANGUAGE (*top),
705 SYMBOL_DOMAIN (*top), domain))
707 do_cleanups (cleanup);
714 /* Can't use a binary search or else we found during the binary search that
715 we should also do a linear search. */
717 if (do_linear_search)
719 for (psym = start; psym < start + length; psym++)
721 if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym),
722 SYMBOL_DOMAIN (*psym), domain)
723 && SYMBOL_MATCHES_SEARCH_NAME (*psym, search_name))
725 do_cleanups (cleanup);
731 do_cleanups (cleanup);
735 /* Get the symbol table that corresponds to a partial_symtab.
736 This is fast after the first time you do it. In fact, there
737 is an even faster macro PSYMTAB_TO_SYMTAB that does the fast
740 static struct symtab *
741 psymtab_to_symtab (struct partial_symtab *pst)
743 /* If it's been looked up before, return it. */
747 /* If it has not yet been read in, read it. */
750 struct cleanup *back_to = increment_reading_symtab ();
752 (*pst->read_symtab) (pst);
753 do_cleanups (back_to);
760 relocate_psymtabs (struct objfile *objfile,
761 struct section_offsets *new_offsets,
762 struct section_offsets *delta)
764 struct partial_symbol **psym;
765 struct partial_symtab *p;
767 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p)
769 p->textlow += ANOFFSET (delta, SECT_OFF_TEXT (objfile));
770 p->texthigh += ANOFFSET (delta, SECT_OFF_TEXT (objfile));
773 for (psym = objfile->global_psymbols.list;
774 psym < objfile->global_psymbols.next;
777 fixup_psymbol_section (*psym, objfile);
778 if (SYMBOL_SECTION (*psym) >= 0)
779 SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta,
780 SYMBOL_SECTION (*psym));
782 for (psym = objfile->static_psymbols.list;
783 psym < objfile->static_psymbols.next;
786 fixup_psymbol_section (*psym, objfile);
787 if (SYMBOL_SECTION (*psym) >= 0)
788 SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta,
789 SYMBOL_SECTION (*psym));
793 static struct symtab *
794 find_last_source_symtab_from_partial (struct objfile *ofp)
796 struct partial_symtab *ps;
797 struct partial_symtab *cs_pst = 0;
799 ALL_OBJFILE_PSYMTABS_REQUIRED (ofp, ps)
801 const char *name = ps->filename;
802 int len = strlen (name);
804 if (!(len > 2 && (strcmp (&name[len - 2], ".h") == 0
805 || strcmp (name, "<<C++-namespaces>>") == 0)))
813 internal_error (__FILE__, __LINE__,
814 _("select_source_symtab: "
815 "readin pst found and no symtabs."));
818 return PSYMTAB_TO_SYMTAB (cs_pst);
824 forget_cached_source_info_partial (struct objfile *objfile)
826 struct partial_symtab *pst;
828 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst)
830 if (pst->fullname != NULL)
832 xfree (pst->fullname);
833 pst->fullname = NULL;
839 print_partial_symbols (struct gdbarch *gdbarch,
840 struct partial_symbol **p, int count, char *what,
841 struct ui_file *outfile)
843 fprintf_filtered (outfile, " %s partial symbols:\n", what);
846 fprintf_filtered (outfile, " `%s'", SYMBOL_LINKAGE_NAME (*p));
847 if (SYMBOL_DEMANGLED_NAME (*p) != NULL)
849 fprintf_filtered (outfile, " `%s'", SYMBOL_DEMANGLED_NAME (*p));
851 fputs_filtered (", ", outfile);
852 switch (SYMBOL_DOMAIN (*p))
855 fputs_filtered ("undefined domain, ", outfile);
858 /* This is the usual thing -- don't print it. */
861 fputs_filtered ("struct domain, ", outfile);
864 fputs_filtered ("label domain, ", outfile);
867 fputs_filtered ("<invalid domain>, ", outfile);
870 switch (SYMBOL_CLASS (*p))
873 fputs_filtered ("undefined", outfile);
876 fputs_filtered ("constant int", outfile);
879 fputs_filtered ("static", outfile);
882 fputs_filtered ("register", outfile);
885 fputs_filtered ("pass by value", outfile);
888 fputs_filtered ("pass by reference", outfile);
890 case LOC_REGPARM_ADDR:
891 fputs_filtered ("register address parameter", outfile);
894 fputs_filtered ("stack parameter", outfile);
897 fputs_filtered ("type", outfile);
900 fputs_filtered ("label", outfile);
903 fputs_filtered ("function", outfile);
905 case LOC_CONST_BYTES:
906 fputs_filtered ("constant bytes", outfile);
909 fputs_filtered ("unresolved", outfile);
911 case LOC_OPTIMIZED_OUT:
912 fputs_filtered ("optimized out", outfile);
915 fputs_filtered ("computed at runtime", outfile);
918 fputs_filtered ("<invalid location>", outfile);
921 fputs_filtered (", ", outfile);
922 fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (*p)), outfile);
923 fprintf_filtered (outfile, "\n");
929 dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab,
930 struct ui_file *outfile)
932 struct gdbarch *gdbarch = get_objfile_arch (objfile);
935 fprintf_filtered (outfile, "\nPartial symtab for source file %s ",
937 fprintf_filtered (outfile, "(object ");
938 gdb_print_host_address (psymtab, outfile);
939 fprintf_filtered (outfile, ")\n\n");
940 fprintf_unfiltered (outfile, " Read from object file %s (",
942 gdb_print_host_address (objfile, outfile);
943 fprintf_unfiltered (outfile, ")\n");
947 fprintf_filtered (outfile,
948 " Full symtab was read (at ");
949 gdb_print_host_address (psymtab->symtab, outfile);
950 fprintf_filtered (outfile, " by function at ");
951 gdb_print_host_address (psymtab->read_symtab, outfile);
952 fprintf_filtered (outfile, ")\n");
955 fprintf_filtered (outfile, " Relocate symbols by ");
956 for (i = 0; i < psymtab->objfile->num_sections; ++i)
959 fprintf_filtered (outfile, ", ");
961 fputs_filtered (paddress (gdbarch,
962 ANOFFSET (psymtab->section_offsets, i)),
965 fprintf_filtered (outfile, "\n");
967 fprintf_filtered (outfile, " Symbols cover text addresses ");
968 fputs_filtered (paddress (gdbarch, psymtab->textlow), outfile);
969 fprintf_filtered (outfile, "-");
970 fputs_filtered (paddress (gdbarch, psymtab->texthigh), outfile);
971 fprintf_filtered (outfile, "\n");
972 fprintf_filtered (outfile, " Depends on %d other partial symtabs.\n",
973 psymtab->number_of_dependencies);
974 for (i = 0; i < psymtab->number_of_dependencies; i++)
976 fprintf_filtered (outfile, " %d ", i);
977 gdb_print_host_address (psymtab->dependencies[i], outfile);
978 fprintf_filtered (outfile, " %s\n",
979 psymtab->dependencies[i]->filename);
981 if (psymtab->n_global_syms > 0)
983 print_partial_symbols (gdbarch,
984 objfile->global_psymbols.list
985 + psymtab->globals_offset,
986 psymtab->n_global_syms, "Global", outfile);
988 if (psymtab->n_static_syms > 0)
990 print_partial_symbols (gdbarch,
991 objfile->static_psymbols.list
992 + psymtab->statics_offset,
993 psymtab->n_static_syms, "Static", outfile);
995 fprintf_filtered (outfile, "\n");
999 print_psymtab_stats_for_objfile (struct objfile *objfile)
1002 struct partial_symtab *ps;
1005 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
1007 if (ps->readin == 0)
1010 printf_filtered (_(" Number of psym tables (not yet expanded): %d\n"), i);
1014 dump_psymtabs_for_objfile (struct objfile *objfile)
1016 struct partial_symtab *psymtab;
1018 if (objfile->psymtabs)
1020 printf_filtered ("Psymtabs:\n");
1021 for (psymtab = objfile->psymtabs;
1023 psymtab = psymtab->next)
1025 printf_filtered ("%s at ",
1027 gdb_print_host_address (psymtab, gdb_stdout);
1028 printf_filtered (", ");
1029 if (psymtab->objfile != objfile)
1031 printf_filtered ("NOT ON CHAIN! ");
1035 printf_filtered ("\n\n");
1039 /* Look through the partial symtabs for all symbols which begin
1040 by matching FUNC_NAME. Make sure we read that symbol table in. */
1043 read_symtabs_for_function (struct objfile *objfile, const char *func_name)
1045 struct partial_symtab *ps;
1047 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
1052 if ((lookup_partial_symbol (ps, func_name, 1, VAR_DOMAIN)
1054 || (lookup_partial_symbol (ps, func_name, 0, VAR_DOMAIN)
1056 psymtab_to_symtab (ps);
1061 expand_partial_symbol_tables (struct objfile *objfile)
1063 struct partial_symtab *psymtab;
1065 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab)
1067 psymtab_to_symtab (psymtab);
1072 read_psymtabs_with_filename (struct objfile *objfile, const char *filename)
1074 struct partial_symtab *p;
1076 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p)
1078 if (filename_cmp (filename, p->filename) == 0)
1079 PSYMTAB_TO_SYMTAB (p);
1084 map_symbol_filenames_psymtab (struct objfile *objfile,
1085 symbol_filename_ftype *fun, void *data,
1088 struct partial_symtab *ps;
1090 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
1092 const char *fullname;
1099 fullname = psymtab_to_fullname (ps);
1102 (*fun) (ps->filename, fullname, data);
1106 int find_and_open_source (const char *filename,
1107 const char *dirname,
1110 /* Finds the fullname that a partial_symtab represents.
1112 If this functions finds the fullname, it will save it in ps->fullname
1113 and it will also return the value.
1115 If this function fails to find the file that this partial_symtab represents,
1116 NULL will be returned and ps->fullname will be set to NULL. */
1119 psymtab_to_fullname (struct partial_symtab *ps)
1126 /* Use cached copy if we have it.
1127 We rely on forget_cached_source_info being called appropriately
1128 to handle cases like the file being moved. */
1130 return ps->fullname;
1132 r = find_and_open_source (ps->filename, ps->dirname, &ps->fullname);
1137 return ps->fullname;
1144 find_symbol_file_from_partial (struct objfile *objfile, const char *name)
1146 struct partial_symtab *pst;
1148 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst)
1150 if (lookup_partial_symbol (pst, name, 1, VAR_DOMAIN))
1151 return pst->filename;
1156 /* For all symbols, s, in BLOCK that are in NAMESPACE and match NAME
1157 according to the function MATCH, call CALLBACK(BLOCK, s, DATA).
1158 BLOCK is assumed to come from OBJFILE. Returns 1 iff CALLBACK
1159 ever returns non-zero, and otherwise returns 0. */
1162 map_block (const char *name, domain_enum namespace, struct objfile *objfile,
1163 struct block *block,
1164 int (*callback) (struct block *, struct symbol *, void *),
1165 void *data, symbol_compare_ftype *match)
1167 struct dict_iterator iter;
1170 for (sym = dict_iter_match_first (BLOCK_DICT (block), name, match, &iter);
1171 sym != NULL; sym = dict_iter_match_next (name, match, &iter))
1173 if (symbol_matches_domain (SYMBOL_LANGUAGE (sym),
1174 SYMBOL_DOMAIN (sym), namespace))
1176 if (callback (block, sym, data))
1184 /* Psymtab version of map_matching_symbols. See its definition in
1185 the definition of quick_symbol_functions in symfile.h. */
1188 map_matching_symbols_psymtab (const char *name, domain_enum namespace,
1189 struct objfile *objfile, int global,
1190 int (*callback) (struct block *,
1191 struct symbol *, void *),
1193 symbol_compare_ftype *match,
1194 symbol_compare_ftype *ordered_compare)
1196 const int block_kind = global ? GLOBAL_BLOCK : STATIC_BLOCK;
1197 struct partial_symtab *ps;
1199 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
1203 || match_partial_symbol (ps, global, name, namespace, match,
1206 struct symtab *s = PSYMTAB_TO_SYMTAB (ps);
1207 struct block *block;
1209 if (s == NULL || !s->primary)
1211 block = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), block_kind);
1212 if (map_block (name, namespace, objfile, block,
1213 callback, data, match))
1215 if (callback (block, NULL, data))
1222 expand_symtabs_matching_via_partial (struct objfile *objfile,
1223 int (*file_matcher) (const char *,
1225 int (*name_matcher) (const char *,
1227 enum search_domain kind,
1230 struct partial_symtab *ps;
1232 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
1234 struct partial_symbol **psym;
1235 struct partial_symbol **bound, **gbound, **sbound;
1241 if (file_matcher && ! (*file_matcher) (ps->filename, data))
1244 gbound = objfile->global_psymbols.list
1245 + ps->globals_offset + ps->n_global_syms;
1246 sbound = objfile->static_psymbols.list
1247 + ps->statics_offset + ps->n_static_syms;
1250 /* Go through all of the symbols stored in a partial
1251 symtab in one loop. */
1252 psym = objfile->global_psymbols.list + ps->globals_offset;
1257 if (bound == gbound && ps->n_static_syms != 0)
1259 psym = objfile->static_psymbols.list + ps->statics_offset;
1270 if ((kind == ALL_DOMAIN
1271 || (kind == VARIABLES_DOMAIN
1272 && SYMBOL_CLASS (*psym) != LOC_TYPEDEF
1273 && SYMBOL_CLASS (*psym) != LOC_BLOCK)
1274 || (kind == FUNCTIONS_DOMAIN
1275 && SYMBOL_CLASS (*psym) == LOC_BLOCK)
1276 || (kind == TYPES_DOMAIN
1277 && SYMBOL_CLASS (*psym) == LOC_TYPEDEF))
1278 && (*name_matcher) (SYMBOL_NATURAL_NAME (*psym), data))
1280 PSYMTAB_TO_SYMTAB (ps);
1290 objfile_has_psyms (struct objfile *objfile)
1292 return objfile->psymtabs != NULL;
1295 const struct quick_symbol_functions psym_functions =
1298 find_last_source_symtab_from_partial,
1299 forget_cached_source_info_partial,
1300 lookup_symtab_via_partial_symtab,
1301 lookup_symbol_aux_psymtabs,
1302 pre_expand_symtabs_matching_psymtabs,
1303 print_psymtab_stats_for_objfile,
1304 dump_psymtabs_for_objfile,
1306 read_symtabs_for_function,
1307 expand_partial_symbol_tables,
1308 read_psymtabs_with_filename,
1309 find_symbol_file_from_partial,
1310 map_matching_symbols_psymtab,
1311 expand_symtabs_matching_via_partial,
1312 find_pc_sect_symtab_from_partial,
1313 map_symbol_filenames_psymtab
1318 /* This compares two partial symbols by names, using strcmp_iw_ordered
1319 for the comparison. */
1322 compare_psymbols (const void *s1p, const void *s2p)
1324 struct partial_symbol *const *s1 = s1p;
1325 struct partial_symbol *const *s2 = s2p;
1327 return strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*s1),
1328 SYMBOL_SEARCH_NAME (*s2));
1332 sort_pst_symbols (struct partial_symtab *pst)
1334 /* Sort the global list; don't sort the static list. */
1336 qsort (pst->objfile->global_psymbols.list + pst->globals_offset,
1337 pst->n_global_syms, sizeof (struct partial_symbol *),
1341 /* Allocate and partially fill a partial symtab. It will be
1342 completely filled at the end of the symbol list.
1344 FILENAME is the name of the symbol-file we are reading from. */
1346 struct partial_symtab *
1347 start_psymtab_common (struct objfile *objfile,
1348 struct section_offsets *section_offsets,
1349 const char *filename,
1350 CORE_ADDR textlow, struct partial_symbol **global_syms,
1351 struct partial_symbol **static_syms)
1353 struct partial_symtab *psymtab;
1355 psymtab = allocate_psymtab (filename, objfile);
1356 psymtab->section_offsets = section_offsets;
1357 psymtab->textlow = textlow;
1358 psymtab->texthigh = psymtab->textlow; /* default */
1359 psymtab->globals_offset = global_syms - objfile->global_psymbols.list;
1360 psymtab->statics_offset = static_syms - objfile->static_psymbols.list;
1364 /* Calculate a hash code for the given partial symbol. The hash is
1365 calculated using the symbol's value, language, domain, class
1366 and name. These are the values which are set by
1367 add_psymbol_to_bcache. */
1369 static unsigned long
1370 psymbol_hash (const void *addr, int length)
1372 unsigned long h = 0;
1373 struct partial_symbol *psymbol = (struct partial_symbol *) addr;
1374 unsigned int lang = psymbol->ginfo.language;
1375 unsigned int domain = PSYMBOL_DOMAIN (psymbol);
1376 unsigned int class = PSYMBOL_CLASS (psymbol);
1378 h = hash_continue (&psymbol->ginfo.value, sizeof (psymbol->ginfo.value), h);
1379 h = hash_continue (&lang, sizeof (unsigned int), h);
1380 h = hash_continue (&domain, sizeof (unsigned int), h);
1381 h = hash_continue (&class, sizeof (unsigned int), h);
1382 h = hash_continue (psymbol->ginfo.name, strlen (psymbol->ginfo.name), h);
1387 /* Returns true if the symbol at addr1 equals the symbol at addr2.
1388 For the comparison this function uses a symbols value,
1389 language, domain, class and name. */
1392 psymbol_compare (const void *addr1, const void *addr2, int length)
1394 struct partial_symbol *sym1 = (struct partial_symbol *) addr1;
1395 struct partial_symbol *sym2 = (struct partial_symbol *) addr2;
1397 return (memcmp (&sym1->ginfo.value, &sym1->ginfo.value,
1398 sizeof (sym1->ginfo.value)) == 0
1399 && sym1->ginfo.language == sym2->ginfo.language
1400 && PSYMBOL_DOMAIN (sym1) == PSYMBOL_DOMAIN (sym2)
1401 && PSYMBOL_CLASS (sym1) == PSYMBOL_CLASS (sym2)
1402 && sym1->ginfo.name == sym2->ginfo.name);
1405 /* Initialize a partial symbol bcache. */
1407 struct psymbol_bcache *
1408 psymbol_bcache_init (void)
1410 struct psymbol_bcache *bcache = XCALLOC (1, struct psymbol_bcache);
1411 bcache->bcache = bcache_xmalloc (psymbol_hash, psymbol_compare);
1415 /* Free a partial symbol bcache. */
1417 psymbol_bcache_free (struct psymbol_bcache *bcache)
1422 bcache_xfree (bcache->bcache);
1426 /* Return the internal bcache of the psymbol_bcache BCACHE. */
1429 psymbol_bcache_get_bcache (struct psymbol_bcache *bcache)
1431 return bcache->bcache;
1434 /* Find a copy of the SYM in BCACHE. If BCACHE has never seen this
1435 symbol before, add a copy to BCACHE. In either case, return a pointer
1436 to BCACHE's copy of the symbol. If optional ADDED is not NULL, return
1437 1 in case of new entry or 0 if returning an old entry. */
1439 static const struct partial_symbol *
1440 psymbol_bcache_full (struct partial_symbol *sym,
1441 struct psymbol_bcache *bcache,
1444 return bcache_full (sym,
1445 sizeof (struct partial_symbol),
1450 /* Helper function, initialises partial symbol structure and stashes
1451 it into objfile's bcache. Note that our caching mechanism will
1452 use all fields of struct partial_symbol to determine hash value of the
1453 structure. In other words, having two symbols with the same name but
1454 different domain (or address) is possible and correct. */
1456 static const struct partial_symbol *
1457 add_psymbol_to_bcache (const char *name, int namelength, int copy_name,
1459 enum address_class class,
1460 long val, /* Value as a long */
1461 CORE_ADDR coreaddr, /* Value as a CORE_ADDR */
1462 enum language language, struct objfile *objfile,
1465 struct partial_symbol psymbol;
1467 /* We must ensure that the entire 'value' field has been zeroed
1468 before assigning to it, because an assignment may not write the
1470 memset (&psymbol.ginfo.value, 0, sizeof (psymbol.ginfo.value));
1472 /* val and coreaddr are mutually exclusive, one of them *will* be zero. */
1475 SYMBOL_VALUE (&psymbol) = val;
1479 SYMBOL_VALUE_ADDRESS (&psymbol) = coreaddr;
1481 SYMBOL_SECTION (&psymbol) = 0;
1482 SYMBOL_OBJ_SECTION (&psymbol) = NULL;
1483 SYMBOL_SET_LANGUAGE (&psymbol, language);
1484 PSYMBOL_DOMAIN (&psymbol) = domain;
1485 PSYMBOL_CLASS (&psymbol) = class;
1487 SYMBOL_SET_NAMES (&psymbol, name, namelength, copy_name, objfile);
1489 /* Stash the partial symbol away in the cache. */
1490 return psymbol_bcache_full (&psymbol,
1491 objfile->psymbol_cache,
1495 /* Increase the space allocated for LISTP, which is probably
1496 global_psymbols or static_psymbols. This space will eventually
1497 be freed in free_objfile(). */
1500 extend_psymbol_list (struct psymbol_allocation_list *listp,
1501 struct objfile *objfile)
1505 if (listp->size == 0)
1508 listp->list = (struct partial_symbol **)
1509 xmalloc (new_size * sizeof (struct partial_symbol *));
1513 new_size = listp->size * 2;
1514 listp->list = (struct partial_symbol **)
1515 xrealloc ((char *) listp->list,
1516 new_size * sizeof (struct partial_symbol *));
1518 /* Next assumes we only went one over. Should be good if
1519 program works correctly. */
1520 listp->next = listp->list + listp->size;
1521 listp->size = new_size;
1524 /* Helper function, adds partial symbol to the given partial symbol
1528 append_psymbol_to_list (struct psymbol_allocation_list *list,
1529 const struct partial_symbol *psym,
1530 struct objfile *objfile)
1532 if (list->next >= list->list + list->size)
1533 extend_psymbol_list (list, objfile);
1534 *list->next++ = (struct partial_symbol *) psym;
1535 OBJSTAT (objfile, n_psyms++);
1538 /* Add a symbol with a long value to a psymtab.
1539 Since one arg is a struct, we pass in a ptr and deref it (sigh).
1540 Return the partial symbol that has been added. */
1542 /* NOTE: carlton/2003-09-11: The reason why we return the partial
1543 symbol is so that callers can get access to the symbol's demangled
1544 name, which they don't have any cheap way to determine otherwise.
1545 (Currenly, dwarf2read.c is the only file who uses that information,
1546 though it's possible that other readers might in the future.)
1547 Elena wasn't thrilled about that, and I don't blame her, but we
1548 couldn't come up with a better way to get that information. If
1549 it's needed in other situations, we could consider breaking up
1550 SYMBOL_SET_NAMES to provide access to the demangled name lookup
1553 const struct partial_symbol *
1554 add_psymbol_to_list (const char *name, int namelength, int copy_name,
1556 enum address_class class,
1557 struct psymbol_allocation_list *list,
1558 long val, /* Value as a long */
1559 CORE_ADDR coreaddr, /* Value as a CORE_ADDR */
1560 enum language language, struct objfile *objfile)
1562 const struct partial_symbol *psym;
1566 /* Stash the partial symbol away in the cache. */
1567 psym = add_psymbol_to_bcache (name, namelength, copy_name, domain, class,
1568 val, coreaddr, language, objfile, &added);
1570 /* Do not duplicate global partial symbols. */
1571 if (list == &objfile->global_psymbols
1575 /* Save pointer to partial symbol in psymtab, growing symtab if needed. */
1576 append_psymbol_to_list (list, psym, objfile);
1580 /* Initialize storage for partial symbols. */
1583 init_psymbol_list (struct objfile *objfile, int total_symbols)
1585 /* Free any previously allocated psymbol lists. */
1587 if (objfile->global_psymbols.list)
1589 xfree (objfile->global_psymbols.list);
1591 if (objfile->static_psymbols.list)
1593 xfree (objfile->static_psymbols.list);
1596 /* Current best guess is that approximately a twentieth
1597 of the total symbols (in a debugging file) are global or static
1598 oriented symbols. */
1600 objfile->global_psymbols.size = total_symbols / 10;
1601 objfile->static_psymbols.size = total_symbols / 10;
1603 if (objfile->global_psymbols.size > 0)
1605 objfile->global_psymbols.next =
1606 objfile->global_psymbols.list = (struct partial_symbol **)
1607 xmalloc ((objfile->global_psymbols.size
1608 * sizeof (struct partial_symbol *)));
1610 if (objfile->static_psymbols.size > 0)
1612 objfile->static_psymbols.next =
1613 objfile->static_psymbols.list = (struct partial_symbol **)
1614 xmalloc ((objfile->static_psymbols.size
1615 * sizeof (struct partial_symbol *)));
1619 struct partial_symtab *
1620 allocate_psymtab (const char *filename, struct objfile *objfile)
1622 struct partial_symtab *psymtab;
1624 if (objfile->free_psymtabs)
1626 psymtab = objfile->free_psymtabs;
1627 objfile->free_psymtabs = psymtab->next;
1630 psymtab = (struct partial_symtab *)
1631 obstack_alloc (&objfile->objfile_obstack,
1632 sizeof (struct partial_symtab));
1634 memset (psymtab, 0, sizeof (struct partial_symtab));
1635 psymtab->filename = obsavestring (filename, strlen (filename),
1636 &objfile->objfile_obstack);
1637 psymtab->symtab = NULL;
1639 /* Prepend it to the psymtab list for the objfile it belongs to.
1640 Psymtabs are searched in most recent inserted -> least recent
1643 psymtab->objfile = objfile;
1644 psymtab->next = objfile->psymtabs;
1645 objfile->psymtabs = psymtab;
1651 discard_psymtab (struct partial_symtab *pst)
1653 struct partial_symtab **prev_pst;
1656 Empty psymtabs happen as a result of header files which don't
1657 have any symbols in them. There can be a lot of them. But this
1658 check is wrong, in that a psymtab with N_SLINE entries but
1659 nothing else is not empty, but we don't realize that. Fixing
1660 that without slowing things down might be tricky. */
1662 /* First, snip it out of the psymtab chain. */
1664 prev_pst = &(pst->objfile->psymtabs);
1665 while ((*prev_pst) != pst)
1666 prev_pst = &((*prev_pst)->next);
1667 (*prev_pst) = pst->next;
1669 /* Next, put it on a free list for recycling. */
1671 pst->next = pst->objfile->free_psymtabs;
1672 pst->objfile->free_psymtabs = pst;
1678 maintenance_print_psymbols (char *args, int from_tty)
1681 struct ui_file *outfile;
1682 struct cleanup *cleanups;
1683 char *symname = NULL;
1684 char *filename = DEV_TTY;
1685 struct objfile *objfile;
1686 struct partial_symtab *ps;
1693 print-psymbols takes an output file name and optional symbol file name"));
1695 argv = gdb_buildargv (args);
1696 cleanups = make_cleanup_freeargv (argv);
1698 if (argv[0] != NULL)
1701 /* If a second arg is supplied, it is a source file name to match on. */
1702 if (argv[1] != NULL)
1708 filename = tilde_expand (filename);
1709 make_cleanup (xfree, filename);
1711 outfile = gdb_fopen (filename, FOPEN_WT);
1713 perror_with_name (filename);
1714 make_cleanup_ui_file_delete (outfile);
1717 ALL_PSYMTABS (objfile, ps)
1718 if (symname == NULL || filename_cmp (symname, ps->filename) == 0)
1719 dump_psymtab (objfile, ps, outfile);
1721 do_cleanups (cleanups);
1724 /* List all the partial symbol tables whose names match REGEXP (optional). */
1726 maintenance_info_psymtabs (char *regexp, int from_tty)
1728 struct program_space *pspace;
1729 struct objfile *objfile;
1734 ALL_PSPACES (pspace)
1735 ALL_PSPACE_OBJFILES (pspace, objfile)
1737 struct gdbarch *gdbarch = get_objfile_arch (objfile);
1738 struct partial_symtab *psymtab;
1740 /* We don't want to print anything for this objfile until we
1741 actually find a symtab whose name matches. */
1742 int printed_objfile_start = 0;
1744 ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab)
1749 || re_exec (psymtab->filename))
1751 if (! printed_objfile_start)
1753 printf_filtered ("{ objfile %s ", objfile->name);
1755 printf_filtered ("((struct objfile *) %s)\n",
1756 host_address_to_string (objfile));
1757 printed_objfile_start = 1;
1760 printf_filtered (" { psymtab %s ", psymtab->filename);
1762 printf_filtered ("((struct partial_symtab *) %s)\n",
1763 host_address_to_string (psymtab));
1765 printf_filtered (" readin %s\n",
1766 psymtab->readin ? "yes" : "no");
1767 printf_filtered (" fullname %s\n",
1769 ? psymtab->fullname : "(null)");
1770 printf_filtered (" text addresses ");
1771 fputs_filtered (paddress (gdbarch, psymtab->textlow),
1773 printf_filtered (" -- ");
1774 fputs_filtered (paddress (gdbarch, psymtab->texthigh),
1776 printf_filtered ("\n");
1777 printf_filtered (" globals ");
1778 if (psymtab->n_global_syms)
1780 printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n",
1781 host_address_to_string (psymtab->objfile->global_psymbols.list
1782 + psymtab->globals_offset),
1783 psymtab->n_global_syms);
1786 printf_filtered ("(none)\n");
1787 printf_filtered (" statics ");
1788 if (psymtab->n_static_syms)
1790 printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n",
1791 host_address_to_string (psymtab->objfile->static_psymbols.list
1792 + psymtab->statics_offset),
1793 psymtab->n_static_syms);
1796 printf_filtered ("(none)\n");
1797 printf_filtered (" dependencies ");
1798 if (psymtab->number_of_dependencies)
1802 printf_filtered ("{\n");
1803 for (i = 0; i < psymtab->number_of_dependencies; i++)
1805 struct partial_symtab *dep = psymtab->dependencies[i];
1807 /* Note the string concatenation there --- no comma. */
1808 printf_filtered (" psymtab %s "
1809 "((struct partial_symtab *) %s)\n",
1811 host_address_to_string (dep));
1813 printf_filtered (" }\n");
1816 printf_filtered ("(none)\n");
1817 printf_filtered (" }\n");
1821 if (printed_objfile_start)
1822 printf_filtered ("}\n");
1826 /* Check consistency of psymtabs and symtabs. */
1829 maintenance_check_symtabs (char *ignore, int from_tty)
1832 struct partial_symbol **psym;
1833 struct symtab *s = NULL;
1834 struct partial_symtab *ps;
1835 struct blockvector *bv;
1836 struct objfile *objfile;
1840 ALL_PSYMTABS (objfile, ps)
1842 struct gdbarch *gdbarch = get_objfile_arch (objfile);
1844 s = PSYMTAB_TO_SYMTAB (ps);
1847 bv = BLOCKVECTOR (s);
1848 b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
1849 psym = ps->objfile->static_psymbols.list + ps->statics_offset;
1850 length = ps->n_static_syms;
1853 sym = lookup_block_symbol (b, SYMBOL_LINKAGE_NAME (*psym),
1854 SYMBOL_DOMAIN (*psym));
1857 printf_filtered ("Static symbol `");
1858 puts_filtered (SYMBOL_LINKAGE_NAME (*psym));
1859 printf_filtered ("' only found in ");
1860 puts_filtered (ps->filename);
1861 printf_filtered (" psymtab\n");
1865 b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
1866 psym = ps->objfile->global_psymbols.list + ps->globals_offset;
1867 length = ps->n_global_syms;
1870 sym = lookup_block_symbol (b, SYMBOL_LINKAGE_NAME (*psym),
1871 SYMBOL_DOMAIN (*psym));
1874 printf_filtered ("Global symbol `");
1875 puts_filtered (SYMBOL_LINKAGE_NAME (*psym));
1876 printf_filtered ("' only found in ");
1877 puts_filtered (ps->filename);
1878 printf_filtered (" psymtab\n");
1882 if (ps->texthigh < ps->textlow)
1884 printf_filtered ("Psymtab ");
1885 puts_filtered (ps->filename);
1886 printf_filtered (" covers bad range ");
1887 fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout);
1888 printf_filtered (" - ");
1889 fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout);
1890 printf_filtered ("\n");
1893 if (ps->texthigh == 0)
1895 if (ps->textlow < BLOCK_START (b) || ps->texthigh > BLOCK_END (b))
1897 printf_filtered ("Psymtab ");
1898 puts_filtered (ps->filename);
1899 printf_filtered (" covers ");
1900 fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout);
1901 printf_filtered (" - ");
1902 fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout);
1903 printf_filtered (" but symtab covers only ");
1904 fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout);
1905 printf_filtered (" - ");
1906 fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout);
1907 printf_filtered ("\n");
1915 expand_partial_symbol_names (int (*fun) (const char *, void *), void *data)
1917 struct objfile *objfile;
1919 ALL_OBJFILES (objfile)
1922 objfile->sf->qf->expand_symtabs_matching (objfile, NULL, fun,
1928 map_partial_symbol_filenames (symbol_filename_ftype *fun, void *data,
1931 struct objfile *objfile;
1933 ALL_OBJFILES (objfile)
1936 objfile->sf->qf->map_symbol_filenames (objfile, fun, data,