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binutils-gdb/gdb/psymtab.c

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/* Partial symbol tables.
Copyright (C) 2009, 2010 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "symtab.h"
#include "psympriv.h"
#include "objfiles.h"
#include "gdb_assert.h"
#include "block.h"
#include "filenames.h"
#include "source.h"
#include "addrmap.h"
#include "gdbtypes.h"
#include "bcache.h"
#include "ui-out.h"
#include "command.h"
#include "readline/readline.h"
#include "gdb_regex.h"
#ifndef DEV_TTY
#define DEV_TTY "/dev/tty"
#endif
/* A fast way to get from a psymtab to its symtab (after the first time). */
#define PSYMTAB_TO_SYMTAB(pst) \
((pst) -> symtab != NULL ? (pst) -> symtab : psymtab_to_symtab (pst))
/* Lookup a partial symbol. */
static struct partial_symbol *lookup_partial_symbol (struct partial_symtab *,
const char *, int,
domain_enum);
static char *psymtab_to_fullname (struct partial_symtab *ps);
static struct partial_symbol *find_pc_sect_psymbol (struct partial_symtab *,
CORE_ADDR,
struct obj_section *);
static struct partial_symbol *fixup_psymbol_section (struct partial_symbol
*psym,
struct objfile *objfile);
static struct symtab *psymtab_to_symtab (struct partial_symtab *pst);
/* Lookup the partial symbol table of a source file named NAME.
*If* there is no '/' in the name, a match after a '/'
in the psymtab filename will also work. */
static struct partial_symtab *
lookup_partial_symtab (struct objfile *objfile, const char *name,
const char *full_path, const char *real_path)
{
struct partial_symtab *pst;
ALL_OBJFILE_PSYMTABS (objfile, pst)
{
if (FILENAME_CMP (name, pst->filename) == 0)
{
return (pst);
}
/* If the user gave us an absolute path, try to find the file in
this symtab and use its absolute path. */
if (full_path != NULL)
{
psymtab_to_fullname (pst);
if (pst->fullname != NULL
&& FILENAME_CMP (full_path, pst->fullname) == 0)
{
return pst;
}
}
if (real_path != NULL)
{
char *rp = NULL;
psymtab_to_fullname (pst);
if (pst->fullname != NULL)
{
rp = gdb_realpath (pst->fullname);
make_cleanup (xfree, rp);
}
if (rp != NULL && FILENAME_CMP (real_path, rp) == 0)
{
return pst;
}
}
}
/* Now, search for a matching tail (only if name doesn't have any dirs) */
if (lbasename (name) == name)
ALL_OBJFILE_PSYMTABS (objfile, pst)
{
if (FILENAME_CMP (lbasename (pst->filename), name) == 0)
return (pst);
}
return (NULL);
}
static int
lookup_symtab_via_partial_symtab (struct objfile *objfile, const char *name,
const char *full_path, const char *real_path,
struct symtab **result)
{
struct partial_symtab *ps;
ps = lookup_partial_symtab (objfile, name, full_path, real_path);
if (!ps)
return 0;
if (ps->readin)
error (_("Internal: readin %s pst for `%s' found when no symtab found."),
ps->filename, name);
*result = PSYMTAB_TO_SYMTAB (ps);
return 1;
}
/* Find which partial symtab contains PC and SECTION starting at psymtab PST.
We may find a different psymtab than PST. See FIND_PC_SECT_PSYMTAB. */
static struct partial_symtab *
find_pc_sect_psymtab_closer (CORE_ADDR pc, struct obj_section *section,
struct partial_symtab *pst,
struct minimal_symbol *msymbol)
{
struct objfile *objfile = pst->objfile;
struct partial_symtab *tpst;
struct partial_symtab *best_pst = pst;
CORE_ADDR best_addr = pst->textlow;
/* An objfile that has its functions reordered might have
many partial symbol tables containing the PC, but
we want the partial symbol table that contains the
function containing the PC. */
if (!(objfile->flags & OBJF_REORDERED) &&
section == 0) /* can't validate section this way */
return pst;
if (msymbol == NULL)
return (pst);
/* The code range of partial symtabs sometimes overlap, so, in
the loop below, we need to check all partial symtabs and
find the one that fits better for the given PC address. We
select the partial symtab that contains a symbol whose
address is closest to the PC address. By closest we mean
that find_pc_sect_symbol returns the symbol with address
that is closest and still less than the given PC. */
for (tpst = pst; tpst != NULL; tpst = tpst->next)
{
if (pc >= tpst->textlow && pc < tpst->texthigh)
{
struct partial_symbol *p;
CORE_ADDR this_addr;
/* NOTE: This assumes that every psymbol has a
corresponding msymbol, which is not necessarily
true; the debug info might be much richer than the
object's symbol table. */
p = find_pc_sect_psymbol (tpst, pc, section);
if (p != NULL
&& SYMBOL_VALUE_ADDRESS (p)
== SYMBOL_VALUE_ADDRESS (msymbol))
return tpst;
/* Also accept the textlow value of a psymtab as a
"symbol", to provide some support for partial
symbol tables with line information but no debug
symbols (e.g. those produced by an assembler). */
if (p != NULL)
this_addr = SYMBOL_VALUE_ADDRESS (p);
else
this_addr = tpst->textlow;
/* Check whether it is closer than our current
BEST_ADDR. Since this symbol address is
necessarily lower or equal to PC, the symbol closer
to PC is the symbol which address is the highest.
This way we return the psymtab which contains such
best match symbol. This can help in cases where the
symbol information/debuginfo is not complete, like
for instance on IRIX6 with gcc, where no debug info
is emitted for statics. (See also the nodebug.exp
testcase.) */
if (this_addr > best_addr)
{
best_addr = this_addr;
best_pst = tpst;
}
}
}
return best_pst;
}
/* Find which partial symtab contains PC and SECTION. Return 0 if
none. We return the psymtab that contains a symbol whose address
exactly matches PC, or, if we cannot find an exact match, the
psymtab that contains a symbol whose address is closest to PC. */
static struct partial_symtab *
find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc,
struct obj_section *section,
struct minimal_symbol *msymbol)
{
struct partial_symtab *pst;
/* Try just the PSYMTABS_ADDRMAP mapping first as it has better granularity
than the later used TEXTLOW/TEXTHIGH one. */
if (objfile->psymtabs_addrmap != NULL)
{
pst = addrmap_find (objfile->psymtabs_addrmap, pc);
if (pst != NULL)
{
/* FIXME: addrmaps currently do not handle overlayed sections,
so fall back to the non-addrmap case if we're debugging
overlays and the addrmap returned the wrong section. */
if (overlay_debugging && msymbol && section)
{
struct partial_symbol *p;
/* NOTE: This assumes that every psymbol has a
corresponding msymbol, which is not necessarily
true; the debug info might be much richer than the
object's symbol table. */
p = find_pc_sect_psymbol (pst, pc, section);
if (!p
|| SYMBOL_VALUE_ADDRESS (p)
!= SYMBOL_VALUE_ADDRESS (msymbol))
goto next;
}
/* We do not try to call FIND_PC_SECT_PSYMTAB_CLOSER as
PSYMTABS_ADDRMAP we used has already the best 1-byte
granularity and FIND_PC_SECT_PSYMTAB_CLOSER may mislead us into
a worse chosen section due to the TEXTLOW/TEXTHIGH ranges
overlap. */
return pst;
}
}
next:
/* Existing PSYMTABS_ADDRMAP mapping is present even for PARTIAL_SYMTABs
which still have no corresponding full SYMTABs read. But it is not
present for non-DWARF2 debug infos not supporting PSYMTABS_ADDRMAP in GDB
so far. */
/* Check even OBJFILE with non-zero PSYMTABS_ADDRMAP as only several of
its CUs may be missing in PSYMTABS_ADDRMAP as they may be varying
debug info type in single OBJFILE. */
ALL_OBJFILE_PSYMTABS (objfile, pst)
if (pc >= pst->textlow && pc < pst->texthigh)
{
struct partial_symtab *best_pst;
best_pst = find_pc_sect_psymtab_closer (pc, section, pst, msymbol);
if (best_pst != NULL)
return best_pst;
}
return NULL;
}
static struct symtab *
find_pc_sect_symtab_from_partial (struct objfile *objfile,
struct minimal_symbol *msymbol,
CORE_ADDR pc, struct obj_section *section,
int warn_if_readin)
{
struct partial_symtab *ps = find_pc_sect_psymtab (objfile, pc, section,
msymbol);
if (ps)
{
if (warn_if_readin && ps->readin)
/* Might want to error() here (in case symtab is corrupt and
will cause a core dump), but maybe we can successfully
continue, so let's not. */
warning (_("\
(Internal error: pc %s in read in psymtab, but not in symtab.)\n"),
paddress (get_objfile_arch (ps->objfile), pc));
return PSYMTAB_TO_SYMTAB (ps);
}
return NULL;
}
/* Find which partial symbol within a psymtab matches PC and SECTION.
Return 0 if none. */
static struct partial_symbol *
find_pc_sect_psymbol (struct partial_symtab *psymtab, CORE_ADDR pc,
struct obj_section *section)
{
struct partial_symbol *best = NULL, *p, **pp;
CORE_ADDR best_pc;
gdb_assert (psymtab != NULL);
/* Cope with programs that start at address 0 */
best_pc = (psymtab->textlow != 0) ? psymtab->textlow - 1 : 0;
/* Search the global symbols as well as the static symbols, so that
find_pc_partial_function doesn't use a minimal symbol and thus
cache a bad endaddr. */
for (pp = psymtab->objfile->global_psymbols.list + psymtab->globals_offset;
(pp - (psymtab->objfile->global_psymbols.list + psymtab->globals_offset)
< psymtab->n_global_syms);
pp++)
{
p = *pp;
if (SYMBOL_DOMAIN (p) == VAR_DOMAIN
&& SYMBOL_CLASS (p) == LOC_BLOCK
&& pc >= SYMBOL_VALUE_ADDRESS (p)
&& (SYMBOL_VALUE_ADDRESS (p) > best_pc
|| (psymtab->textlow == 0
&& best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0)))
{
if (section) /* match on a specific section */
{
fixup_psymbol_section (p, psymtab->objfile);
if (!matching_obj_sections (SYMBOL_OBJ_SECTION (p), section))
continue;
}
best_pc = SYMBOL_VALUE_ADDRESS (p);
best = p;
}
}
for (pp = psymtab->objfile->static_psymbols.list + psymtab->statics_offset;
(pp - (psymtab->objfile->static_psymbols.list + psymtab->statics_offset)
< psymtab->n_static_syms);
pp++)
{
p = *pp;
if (SYMBOL_DOMAIN (p) == VAR_DOMAIN
&& SYMBOL_CLASS (p) == LOC_BLOCK
&& pc >= SYMBOL_VALUE_ADDRESS (p)
&& (SYMBOL_VALUE_ADDRESS (p) > best_pc
|| (psymtab->textlow == 0
&& best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0)))
{
if (section) /* match on a specific section */
{
fixup_psymbol_section (p, psymtab->objfile);
if (!matching_obj_sections (SYMBOL_OBJ_SECTION (p), section))
continue;
}
best_pc = SYMBOL_VALUE_ADDRESS (p);
best = p;
}
}
return best;
}
static struct partial_symbol *
fixup_psymbol_section (struct partial_symbol *psym, struct objfile *objfile)
{
CORE_ADDR addr;
if (!psym)
return NULL;
if (SYMBOL_OBJ_SECTION (psym))
return psym;
gdb_assert (objfile);
switch (SYMBOL_CLASS (psym))
{
case LOC_STATIC:
case LOC_LABEL:
case LOC_BLOCK:
addr = SYMBOL_VALUE_ADDRESS (psym);
break;
default:
/* Nothing else will be listed in the minsyms -- no use looking
it up. */
return psym;
}
fixup_section (&psym->ginfo, addr, objfile);
return psym;
}
static struct symtab *
lookup_symbol_aux_psymtabs (struct objfile *objfile,
int block_index, const char *name,
const domain_enum domain)
{
struct partial_symtab *ps;
const int psymtab_index = (block_index == GLOBAL_BLOCK ? 1 : 0);
ALL_OBJFILE_PSYMTABS (objfile, ps)
{
if (!ps->readin && lookup_partial_symbol (ps, name, psymtab_index, domain))
return PSYMTAB_TO_SYMTAB (ps);
}
return NULL;
}
/* Look, in partial_symtab PST, for symbol whose natural name is NAME.
Check the global symbols if GLOBAL, the static symbols if not. */
struct partial_symbol *
lookup_partial_symbol (struct partial_symtab *pst, const char *name,
int global, domain_enum domain)
{
struct partial_symbol *temp;
struct partial_symbol **start, **psym;
struct partial_symbol **top, **real_top, **bottom, **center;
int length = (global ? pst->n_global_syms : pst->n_static_syms);
int do_linear_search = 1;
if (length == 0)
{
return (NULL);
}
start = (global ?
pst->objfile->global_psymbols.list + pst->globals_offset :
pst->objfile->static_psymbols.list + pst->statics_offset);
if (global) /* This means we can use a binary search. */
{
do_linear_search = 0;
/* Binary search. This search is guaranteed to end with center
pointing at the earliest partial symbol whose name might be
correct. At that point *all* partial symbols with an
appropriate name will be checked against the correct
domain. */
bottom = start;
top = start + length - 1;
real_top = top;
while (top > bottom)
{
center = bottom + (top - bottom) / 2;
if (!(center < top))
internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
if (!do_linear_search
&& (SYMBOL_LANGUAGE (*center) == language_java))
{
do_linear_search = 1;
}
if (strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*center), name) >= 0)
{
top = center;
}
else
{
bottom = center + 1;
}
}
if (!(top == bottom))
internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
while (top <= real_top
&& SYMBOL_MATCHES_SEARCH_NAME (*top, name))
{
if (symbol_matches_domain (SYMBOL_LANGUAGE (*top),
SYMBOL_DOMAIN (*top), domain))
return (*top);
top++;
}
}
/* Can't use a binary search or else we found during the binary search that
we should also do a linear search. */
if (do_linear_search)
{
for (psym = start; psym < start + length; psym++)
{
if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym),
SYMBOL_DOMAIN (*psym), domain)
&& SYMBOL_MATCHES_SEARCH_NAME (*psym, name))
return (*psym);
}
}
return (NULL);
}
/* Get the symbol table that corresponds to a partial_symtab.
This is fast after the first time you do it. In fact, there
is an even faster macro PSYMTAB_TO_SYMTAB that does the fast
case inline. */
static struct symtab *
psymtab_to_symtab (struct partial_symtab *pst)
{
/* If it's been looked up before, return it. */
if (pst->symtab)
return pst->symtab;
/* If it has not yet been read in, read it. */
if (!pst->readin)
{
struct cleanup *back_to = increment_reading_symtab ();
(*pst->read_symtab) (pst);
do_cleanups (back_to);
}
return pst->symtab;
}
static void
relocate_psymtabs (struct objfile *objfile,
struct section_offsets *new_offsets,
struct section_offsets *delta)
{
struct partial_symbol **psym;
struct partial_symtab *p;
ALL_OBJFILE_PSYMTABS (objfile, p)
{
p->textlow += ANOFFSET (delta, SECT_OFF_TEXT (objfile));
p->texthigh += ANOFFSET (delta, SECT_OFF_TEXT (objfile));
}
for (psym = objfile->global_psymbols.list;
psym < objfile->global_psymbols.next;
psym++)
{
fixup_psymbol_section (*psym, objfile);
if (SYMBOL_SECTION (*psym) >= 0)
SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta,
SYMBOL_SECTION (*psym));
}
for (psym = objfile->static_psymbols.list;
psym < objfile->static_psymbols.next;
psym++)
{
fixup_psymbol_section (*psym, objfile);
if (SYMBOL_SECTION (*psym) >= 0)
SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta,
SYMBOL_SECTION (*psym));
}
}
static struct symtab *
find_last_source_symtab_from_partial (struct objfile *ofp)
{
struct symtab *result;
struct partial_symtab *ps;
struct partial_symtab *cs_pst = 0;
ALL_OBJFILE_PSYMTABS (ofp, ps)
{
const char *name = ps->filename;
int len = strlen (name);
if (!(len > 2 && (strcmp (&name[len - 2], ".h") == 0
|| strcmp (name, "<<C++-namespaces>>") == 0)))
cs_pst = ps;
}
if (cs_pst)
{
if (cs_pst->readin)
{
internal_error (__FILE__, __LINE__,
_("select_source_symtab: "
"readin pst found and no symtabs."));
}
else
return PSYMTAB_TO_SYMTAB (cs_pst);
}
return NULL;
}
static void
forget_cached_source_info_partial (struct objfile *objfile)
{
struct partial_symtab *pst;
ALL_OBJFILE_PSYMTABS (objfile, pst)
{
if (pst->fullname != NULL)
{
xfree (pst->fullname);
pst->fullname = NULL;
}
}
}
static void
print_partial_symbols (struct gdbarch *gdbarch,
struct partial_symbol **p, int count, char *what,
struct ui_file *outfile)
{
fprintf_filtered (outfile, " %s partial symbols:\n", what);
while (count-- > 0)
{
fprintf_filtered (outfile, " `%s'", SYMBOL_LINKAGE_NAME (*p));
if (SYMBOL_DEMANGLED_NAME (*p) != NULL)
{
fprintf_filtered (outfile, " `%s'", SYMBOL_DEMANGLED_NAME (*p));
}
fputs_filtered (", ", outfile);
switch (SYMBOL_DOMAIN (*p))
{
case UNDEF_DOMAIN:
fputs_filtered ("undefined domain, ", outfile);
break;
case VAR_DOMAIN:
/* This is the usual thing -- don't print it */
break;
case STRUCT_DOMAIN:
fputs_filtered ("struct domain, ", outfile);
break;
case LABEL_DOMAIN:
fputs_filtered ("label domain, ", outfile);
break;
default:
fputs_filtered ("<invalid domain>, ", outfile);
break;
}
switch (SYMBOL_CLASS (*p))
{
case LOC_UNDEF:
fputs_filtered ("undefined", outfile);
break;
case LOC_CONST:
fputs_filtered ("constant int", outfile);
break;
case LOC_STATIC:
fputs_filtered ("static", outfile);
break;
case LOC_REGISTER:
fputs_filtered ("register", outfile);
break;
case LOC_ARG:
fputs_filtered ("pass by value", outfile);
break;
case LOC_REF_ARG:
fputs_filtered ("pass by reference", outfile);
break;
case LOC_REGPARM_ADDR:
fputs_filtered ("register address parameter", outfile);
break;
case LOC_LOCAL:
fputs_filtered ("stack parameter", outfile);
break;
case LOC_TYPEDEF:
fputs_filtered ("type", outfile);
break;
case LOC_LABEL:
fputs_filtered ("label", outfile);
break;
case LOC_BLOCK:
fputs_filtered ("function", outfile);
break;
case LOC_CONST_BYTES:
fputs_filtered ("constant bytes", outfile);
break;
case LOC_UNRESOLVED:
fputs_filtered ("unresolved", outfile);
break;
case LOC_OPTIMIZED_OUT:
fputs_filtered ("optimized out", outfile);
break;
case LOC_COMPUTED:
fputs_filtered ("computed at runtime", outfile);
break;
default:
fputs_filtered ("<invalid location>", outfile);
break;
}
fputs_filtered (", ", outfile);
fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (*p)), outfile);
fprintf_filtered (outfile, "\n");
p++;
}
}
static void
dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab,
struct ui_file *outfile)
{
struct gdbarch *gdbarch = get_objfile_arch (objfile);
int i;
fprintf_filtered (outfile, "\nPartial symtab for source file %s ",
psymtab->filename);
fprintf_filtered (outfile, "(object ");
gdb_print_host_address (psymtab, outfile);
fprintf_filtered (outfile, ")\n\n");
fprintf_unfiltered (outfile, " Read from object file %s (",
objfile->name);
gdb_print_host_address (objfile, outfile);
fprintf_unfiltered (outfile, ")\n");
if (psymtab->readin)
{
fprintf_filtered (outfile,
" Full symtab was read (at ");
gdb_print_host_address (psymtab->symtab, outfile);
fprintf_filtered (outfile, " by function at ");
gdb_print_host_address (psymtab->read_symtab, outfile);
fprintf_filtered (outfile, ")\n");
}
fprintf_filtered (outfile, " Relocate symbols by ");
for (i = 0; i < psymtab->objfile->num_sections; ++i)
{
if (i != 0)
fprintf_filtered (outfile, ", ");
wrap_here (" ");
fputs_filtered (paddress (gdbarch,
ANOFFSET (psymtab->section_offsets, i)),
outfile);
}
fprintf_filtered (outfile, "\n");
fprintf_filtered (outfile, " Symbols cover text addresses ");
fputs_filtered (paddress (gdbarch, psymtab->textlow), outfile);
fprintf_filtered (outfile, "-");
fputs_filtered (paddress (gdbarch, psymtab->texthigh), outfile);
fprintf_filtered (outfile, "\n");
fprintf_filtered (outfile, " Depends on %d other partial symtabs.\n",
psymtab->number_of_dependencies);
for (i = 0; i < psymtab->number_of_dependencies; i++)
{
fprintf_filtered (outfile, " %d ", i);
gdb_print_host_address (psymtab->dependencies[i], outfile);
fprintf_filtered (outfile, " %s\n",
psymtab->dependencies[i]->filename);
}
if (psymtab->n_global_syms > 0)
{
print_partial_symbols (gdbarch,
objfile->global_psymbols.list
+ psymtab->globals_offset,
psymtab->n_global_syms, "Global", outfile);
}
if (psymtab->n_static_syms > 0)
{
print_partial_symbols (gdbarch,
objfile->static_psymbols.list
+ psymtab->statics_offset,
psymtab->n_static_syms, "Static", outfile);
}
fprintf_filtered (outfile, "\n");
}
static void
print_psymtab_stats_for_objfile (struct objfile *objfile)
{
int i;
struct partial_symtab *ps;
i = 0;
ALL_OBJFILE_PSYMTABS (objfile, ps)
{
if (ps->readin == 0)
i++;
}
printf_filtered (_(" Number of psym tables (not yet expanded): %d\n"), i);
}
static void
dump_psymtabs_for_objfile (struct objfile *objfile)
{
struct partial_symtab *psymtab;
if (objfile->psymtabs)
{
printf_filtered ("Psymtabs:\n");
for (psymtab = objfile->psymtabs;
psymtab != NULL;
psymtab = psymtab->next)
{
printf_filtered ("%s at ",
psymtab->filename);
gdb_print_host_address (psymtab, gdb_stdout);
printf_filtered (", ");
if (psymtab->objfile != objfile)
{
printf_filtered ("NOT ON CHAIN! ");
}
wrap_here (" ");
}
printf_filtered ("\n\n");
}
}
/* Look through the partial symtabs for all symbols which begin
by matching FUNC_NAME. Make sure we read that symbol table in. */
static void
read_symtabs_for_function (struct objfile *objfile, const char *func_name)
{
struct partial_symtab *ps;
ALL_OBJFILE_PSYMTABS (objfile, ps)
{
if (ps->readin)
continue;
if ((lookup_partial_symbol (ps, func_name, 1, VAR_DOMAIN)
!= NULL)
|| (lookup_partial_symbol (ps, func_name, 0, VAR_DOMAIN)
!= NULL))
psymtab_to_symtab (ps);
}
}
static void
expand_partial_symbol_tables (struct objfile *objfile)
{
struct partial_symtab *psymtab;
for (psymtab = objfile->psymtabs;
psymtab != NULL;
psymtab = psymtab->next)
{
psymtab_to_symtab (psymtab);
}
}
static void
read_psymtabs_with_filename (struct objfile *objfile, const char *filename)
{
struct partial_symtab *p;
ALL_OBJFILE_PSYMTABS (objfile, p)
{
if (strcmp (filename, p->filename) == 0)
PSYMTAB_TO_SYMTAB (p);
}
}
static void
map_symbol_names_psymtab (struct objfile *objfile,
void (*fun) (const char *, void *), void *data)
{
struct partial_symtab *ps;
ALL_OBJFILE_PSYMTABS (objfile, ps)
{
struct partial_symbol **psym;
/* If the psymtab's been read in we'll get it when we search
through the blockvector. */
if (ps->readin)
continue;
for (psym = objfile->global_psymbols.list + ps->globals_offset;
psym < (objfile->global_psymbols.list + ps->globals_offset
+ ps->n_global_syms);
psym++)
{
/* If interrupted, then quit. */
QUIT;
(*fun) (SYMBOL_NATURAL_NAME (*psym), data);
}
for (psym = objfile->static_psymbols.list + ps->statics_offset;
psym < (objfile->static_psymbols.list + ps->statics_offset
+ ps->n_static_syms);
psym++)
{
QUIT;
(*fun) (SYMBOL_NATURAL_NAME (*psym), data);
}
}
}
static void
map_symbol_filenames_psymtab (struct objfile *objfile,
void (*fun) (const char *, const char *,
void *),
void *data)
{
struct partial_symtab *ps;
ALL_OBJFILE_PSYMTABS (objfile, ps)
{
const char *fullname;
if (ps->readin)
continue;
fullname = psymtab_to_fullname (ps);
(*fun) (fullname, ps->filename, data);
}
}
int find_and_open_source (const char *filename,
const char *dirname,
char **fullname);
/* Finds the fullname that a partial_symtab represents.
If this functions finds the fullname, it will save it in ps->fullname
and it will also return the value.
If this function fails to find the file that this partial_symtab represents,
NULL will be returned and ps->fullname will be set to NULL. */
static char *
psymtab_to_fullname (struct partial_symtab *ps)
{
int r;
if (!ps)
return NULL;
/* Don't check ps->fullname here, the file could have been
deleted/moved/..., look for it again */
r = find_and_open_source (ps->filename, ps->dirname, &ps->fullname);
if (r >= 0)
{
close (r);
return ps->fullname;
}
return NULL;
}
static char *
find_symbol_file_from_partial (struct objfile *objfile, const char *name)
{
struct partial_symtab *pst;
ALL_OBJFILE_PSYMTABS (objfile, pst)
{
if (lookup_partial_symbol (pst, name, 1, VAR_DOMAIN))
return pst->filename;
}
return NULL;
}
/* Look, in partial_symtab PST, for symbol NAME in given namespace.
Check the global symbols if GLOBAL, the static symbols if not.
Do wild-card match if WILD. */
static struct partial_symbol *
ada_lookup_partial_symbol (struct partial_symtab *pst, const char *name,
int global, domain_enum namespace, int wild,
int (*wild_match) (const char *, int, const char *),
int (*is_name_suffix) (const char *))
{
struct partial_symbol **start;
int name_len = strlen (name);
int length = (global ? pst->n_global_syms : pst->n_static_syms);
int i;
if (length == 0)
{
return (NULL);
}
start = (global ?
pst->objfile->global_psymbols.list + pst->globals_offset :
pst->objfile->static_psymbols.list + pst->statics_offset);
if (wild)
{
for (i = 0; i < length; i += 1)
{
struct partial_symbol *psym = start[i];
if (symbol_matches_domain (SYMBOL_LANGUAGE (psym),
SYMBOL_DOMAIN (psym), namespace)
&& (*wild_match) (name, name_len, SYMBOL_LINKAGE_NAME (psym)))
return psym;
}
return NULL;
}
else
{
if (global)
{
int U;
i = 0;
U = length - 1;
while (U - i > 4)
{
int M = (U + i) >> 1;
struct partial_symbol *psym = start[M];
if (SYMBOL_LINKAGE_NAME (psym)[0] < name[0])
i = M + 1;
else if (SYMBOL_LINKAGE_NAME (psym)[0] > name[0])
U = M - 1;
else if (strcmp (SYMBOL_LINKAGE_NAME (psym), name) < 0)
i = M + 1;
else
U = M;
}
}
else
i = 0;
while (i < length)
{
struct partial_symbol *psym = start[i];
if (symbol_matches_domain (SYMBOL_LANGUAGE (psym),
SYMBOL_DOMAIN (psym), namespace))
{
int cmp = strncmp (name, SYMBOL_LINKAGE_NAME (psym), name_len);
if (cmp < 0)
{
if (global)
break;
}
else if (cmp == 0
&& (*is_name_suffix) (SYMBOL_LINKAGE_NAME (psym)
+ name_len))
return psym;
}
i += 1;
}
if (global)
{
int U;
i = 0;
U = length - 1;
while (U - i > 4)
{
int M = (U + i) >> 1;
struct partial_symbol *psym = start[M];
if (SYMBOL_LINKAGE_NAME (psym)[0] < '_')
i = M + 1;
else if (SYMBOL_LINKAGE_NAME (psym)[0] > '_')
U = M - 1;
else if (strcmp (SYMBOL_LINKAGE_NAME (psym), "_ada_") < 0)
i = M + 1;
else
U = M;
}
}
else
i = 0;
while (i < length)
{
struct partial_symbol *psym = start[i];
if (symbol_matches_domain (SYMBOL_LANGUAGE (psym),
SYMBOL_DOMAIN (psym), namespace))
{
int cmp;
cmp = (int) '_' - (int) SYMBOL_LINKAGE_NAME (psym)[0];
if (cmp == 0)
{
cmp = strncmp ("_ada_", SYMBOL_LINKAGE_NAME (psym), 5);
if (cmp == 0)
cmp = strncmp (name, SYMBOL_LINKAGE_NAME (psym) + 5,
name_len);
}
if (cmp < 0)
{
if (global)
break;
}
else if (cmp == 0
&& (*is_name_suffix) (SYMBOL_LINKAGE_NAME (psym)
+ name_len + 5))
return psym;
}
i += 1;
}
}
return NULL;
}
static void
map_ada_symtabs (struct objfile *objfile,
int (*wild_match) (const char *, int, const char *),
int (*is_name_suffix) (const char *),
void (*callback) (struct objfile *, struct symtab *, void *),
const char *name, int global, domain_enum namespace, int wild,
void *data)
{
struct partial_symtab *ps;
ALL_OBJFILE_PSYMTABS (objfile, ps)
{
QUIT;
if (ps->readin
|| ada_lookup_partial_symbol (ps, name, global, namespace, wild,
wild_match, is_name_suffix))
{
struct symtab *s = PSYMTAB_TO_SYMTAB (ps);
if (s == NULL || !s->primary)
continue;
(*callback) (objfile, s, data);
}
}
}
static void
expand_symtabs_matching_via_partial (struct objfile *objfile,
int (*file_matcher) (const char *, void *),
int (*name_matcher) (const char *, void *),
domain_enum kind,
void *data)
{
struct partial_symtab *ps;
ALL_OBJFILE_PSYMTABS (objfile, ps)
{
struct partial_symbol **psym;
struct partial_symbol **bound, **gbound, **sbound;
int keep_going = 1;
if (ps->readin)
continue;
if (! (*file_matcher) (ps->filename, data))
continue;
gbound = objfile->global_psymbols.list + ps->globals_offset + ps->n_global_syms;
sbound = objfile->static_psymbols.list + ps->statics_offset + ps->n_static_syms;
bound = gbound;
/* Go through all of the symbols stored in a partial
symtab in one loop. */
psym = objfile->global_psymbols.list + ps->globals_offset;
while (keep_going)
{
if (psym >= bound)
{
if (bound == gbound && ps->n_static_syms != 0)
{
psym = objfile->static_psymbols.list + ps->statics_offset;
bound = sbound;
}
else
keep_going = 0;
continue;
}
else
{
QUIT;
if ((*name_matcher) (SYMBOL_NATURAL_NAME (*psym), data)
&& ((kind == VARIABLES_DOMAIN
&& SYMBOL_CLASS (*psym) != LOC_TYPEDEF
&& SYMBOL_CLASS (*psym) != LOC_BLOCK)
|| (kind == FUNCTIONS_DOMAIN
&& SYMBOL_CLASS (*psym) == LOC_BLOCK)
|| (kind == TYPES_DOMAIN
&& SYMBOL_CLASS (*psym) == LOC_TYPEDEF)))
{
PSYMTAB_TO_SYMTAB (ps);
keep_going = 0;
}
}
psym++;
}
}
}
static int
objfile_has_psyms (struct objfile *objfile)
{
return objfile->psymtabs != NULL;
}
const struct quick_symbol_functions psym_functions =
{
objfile_has_psyms,
find_last_source_symtab_from_partial,
forget_cached_source_info_partial,
lookup_symtab_via_partial_symtab,
lookup_symbol_aux_psymtabs,
print_psymtab_stats_for_objfile,
dump_psymtabs_for_objfile,
relocate_psymtabs,
read_symtabs_for_function,
expand_partial_symbol_tables,
read_psymtabs_with_filename,
find_symbol_file_from_partial,
map_ada_symtabs,
expand_symtabs_matching_via_partial,
find_pc_sect_symtab_from_partial,
map_symbol_names_psymtab,
map_symbol_filenames_psymtab
};
/* This compares two partial symbols by names, using strcmp_iw_ordered
for the comparison. */
static int
compare_psymbols (const void *s1p, const void *s2p)
{
struct partial_symbol *const *s1 = s1p;
struct partial_symbol *const *s2 = s2p;
return strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*s1),
SYMBOL_SEARCH_NAME (*s2));
}
void
sort_pst_symbols (struct partial_symtab *pst)
{
/* Sort the global list; don't sort the static list */
qsort (pst->objfile->global_psymbols.list + pst->globals_offset,
pst->n_global_syms, sizeof (struct partial_symbol *),
compare_psymbols);
}
/* Allocate and partially fill a partial symtab. It will be
completely filled at the end of the symbol list.
FILENAME is the name of the symbol-file we are reading from. */
struct partial_symtab *
start_psymtab_common (struct objfile *objfile,
struct section_offsets *section_offsets,
const char *filename,
CORE_ADDR textlow, struct partial_symbol **global_syms,
struct partial_symbol **static_syms)
{
struct partial_symtab *psymtab;
psymtab = allocate_psymtab (filename, objfile);
psymtab->section_offsets = section_offsets;
psymtab->textlow = textlow;
psymtab->texthigh = psymtab->textlow; /* default */
psymtab->globals_offset = global_syms - objfile->global_psymbols.list;
psymtab->statics_offset = static_syms - objfile->static_psymbols.list;
return (psymtab);
}
/* Helper function, initialises partial symbol structure and stashes
it into objfile's bcache. Note that our caching mechanism will
use all fields of struct partial_symbol to determine hash value of the
structure. In other words, having two symbols with the same name but
different domain (or address) is possible and correct. */
static const struct partial_symbol *
add_psymbol_to_bcache (char *name, int namelength, int copy_name,
domain_enum domain,
enum address_class class,
long val, /* Value as a long */
CORE_ADDR coreaddr, /* Value as a CORE_ADDR */
enum language language, struct objfile *objfile,
int *added)
{
/* psymbol is static so that there will be no uninitialized gaps in the
structure which might contain random data, causing cache misses in
bcache. */
static struct partial_symbol psymbol;
/* However, we must ensure that the entire 'value' field has been
zeroed before assigning to it, because an assignment may not
write the entire field. */
memset (&psymbol.ginfo.value, 0, sizeof (psymbol.ginfo.value));
/* val and coreaddr are mutually exclusive, one of them *will* be zero */
if (val != 0)
{
SYMBOL_VALUE (&psymbol) = val;
}
else
{
SYMBOL_VALUE_ADDRESS (&psymbol) = coreaddr;
}
SYMBOL_SECTION (&psymbol) = 0;
SYMBOL_LANGUAGE (&psymbol) = language;
PSYMBOL_DOMAIN (&psymbol) = domain;
PSYMBOL_CLASS (&psymbol) = class;
SYMBOL_SET_NAMES (&psymbol, name, namelength, copy_name, objfile);
/* Stash the partial symbol away in the cache */
return bcache_full (&psymbol, sizeof (struct partial_symbol),
objfile->psymbol_cache, added);
}
/* Helper function, adds partial symbol to the given partial symbol
list. */
static void
append_psymbol_to_list (struct psymbol_allocation_list *list,
const struct partial_symbol *psym,
struct objfile *objfile)
{
if (list->next >= list->list + list->size)
extend_psymbol_list (list, objfile);
*list->next++ = (struct partial_symbol *) psym;
OBJSTAT (objfile, n_psyms++);
}
/* Add a symbol with a long value to a psymtab.
Since one arg is a struct, we pass in a ptr and deref it (sigh).
Return the partial symbol that has been added. */
/* NOTE: carlton/2003-09-11: The reason why we return the partial
symbol is so that callers can get access to the symbol's demangled
name, which they don't have any cheap way to determine otherwise.
(Currenly, dwarf2read.c is the only file who uses that information,
though it's possible that other readers might in the future.)
Elena wasn't thrilled about that, and I don't blame her, but we
couldn't come up with a better way to get that information. If
it's needed in other situations, we could consider breaking up
SYMBOL_SET_NAMES to provide access to the demangled name lookup
cache. */
const struct partial_symbol *
add_psymbol_to_list (char *name, int namelength, int copy_name,
domain_enum domain,
enum address_class class,
struct psymbol_allocation_list *list,
long val, /* Value as a long */
CORE_ADDR coreaddr, /* Value as a CORE_ADDR */
enum language language, struct objfile *objfile)
{
const struct partial_symbol *psym;
int added;
/* Stash the partial symbol away in the cache */
psym = add_psymbol_to_bcache (name, namelength, copy_name, domain, class,
val, coreaddr, language, objfile, &added);
/* Do not duplicate global partial symbols. */
if (list == &objfile->global_psymbols
&& !added)
return psym;
/* Save pointer to partial symbol in psymtab, growing symtab if needed. */
append_psymbol_to_list (list, psym, objfile);
return psym;
}
/* Initialize storage for partial symbols. */
void
init_psymbol_list (struct objfile *objfile, int total_symbols)
{
/* Free any previously allocated psymbol lists. */
if (objfile->global_psymbols.list)
{
xfree (objfile->global_psymbols.list);
}
if (objfile->static_psymbols.list)
{
xfree (objfile->static_psymbols.list);
}
/* Current best guess is that approximately a twentieth
of the total symbols (in a debugging file) are global or static
oriented symbols */
objfile->global_psymbols.size = total_symbols / 10;
objfile->static_psymbols.size = total_symbols / 10;
if (objfile->global_psymbols.size > 0)
{
objfile->global_psymbols.next =
objfile->global_psymbols.list = (struct partial_symbol **)
xmalloc ((objfile->global_psymbols.size
* sizeof (struct partial_symbol *)));
}
if (objfile->static_psymbols.size > 0)
{
objfile->static_psymbols.next =
objfile->static_psymbols.list = (struct partial_symbol **)
xmalloc ((objfile->static_psymbols.size
* sizeof (struct partial_symbol *)));
}
}
struct partial_symtab *
allocate_psymtab (const char *filename, struct objfile *objfile)
{
struct partial_symtab *psymtab;
if (objfile->free_psymtabs)
{
psymtab = objfile->free_psymtabs;
objfile->free_psymtabs = psymtab->next;
}
else
psymtab = (struct partial_symtab *)
obstack_alloc (&objfile->objfile_obstack,
sizeof (struct partial_symtab));
memset (psymtab, 0, sizeof (struct partial_symtab));
psymtab->filename = obsavestring (filename, strlen (filename),
&objfile->objfile_obstack);
psymtab->symtab = NULL;
/* Prepend it to the psymtab list for the objfile it belongs to.
Psymtabs are searched in most recent inserted -> least recent
inserted order. */
psymtab->objfile = objfile;
psymtab->next = objfile->psymtabs;
objfile->psymtabs = psymtab;
return (psymtab);
}
void
discard_psymtab (struct partial_symtab *pst)
{
struct partial_symtab **prev_pst;
/* From dbxread.c:
Empty psymtabs happen as a result of header files which don't
have any symbols in them. There can be a lot of them. But this
check is wrong, in that a psymtab with N_SLINE entries but
nothing else is not empty, but we don't realize that. Fixing
that without slowing things down might be tricky. */
/* First, snip it out of the psymtab chain */
prev_pst = &(pst->objfile->psymtabs);
while ((*prev_pst) != pst)
prev_pst = &((*prev_pst)->next);
(*prev_pst) = pst->next;
/* Next, put it on a free list for recycling */
pst->next = pst->objfile->free_psymtabs;
pst->objfile->free_psymtabs = pst;
}
/* Increase the space allocated for LISTP, which is probably
global_psymbols or static_psymbols. This space will eventually
be freed in free_objfile(). */
void
extend_psymbol_list (struct psymbol_allocation_list *listp,
struct objfile *objfile)
{
int new_size;
if (listp->size == 0)
{
new_size = 255;
listp->list = (struct partial_symbol **)
xmalloc (new_size * sizeof (struct partial_symbol *));
}
else
{
new_size = listp->size * 2;
listp->list = (struct partial_symbol **)
xrealloc ((char *) listp->list,
new_size * sizeof (struct partial_symbol *));
}
/* Next assumes we only went one over. Should be good if
program works correctly */
listp->next = listp->list + listp->size;
listp->size = new_size;
}
void
maintenance_print_psymbols (char *args, int from_tty)
{
char **argv;
struct ui_file *outfile;
struct cleanup *cleanups;
char *symname = NULL;
char *filename = DEV_TTY;
struct objfile *objfile;
struct partial_symtab *ps;
dont_repeat ();
if (args == NULL)
{
error (_("print-psymbols takes an output file name and optional symbol file name"));
}
argv = gdb_buildargv (args);
cleanups = make_cleanup_freeargv (argv);
if (argv[0] != NULL)
{
filename = argv[0];
/* If a second arg is supplied, it is a source file name to match on */
if (argv[1] != NULL)
{
symname = argv[1];
}
}
filename = tilde_expand (filename);
make_cleanup (xfree, filename);
outfile = gdb_fopen (filename, FOPEN_WT);
if (outfile == 0)
perror_with_name (filename);
make_cleanup_ui_file_delete (outfile);
immediate_quit++;
ALL_PSYMTABS (objfile, ps)
if (symname == NULL || strcmp (symname, ps->filename) == 0)
dump_psymtab (objfile, ps, outfile);
immediate_quit--;
do_cleanups (cleanups);
}
/* List all the partial symbol tables whose names match REGEXP (optional). */
void
maintenance_info_psymtabs (char *regexp, int from_tty)
{
struct program_space *pspace;
struct objfile *objfile;
if (regexp)
re_comp (regexp);
ALL_PSPACES (pspace)
ALL_PSPACE_OBJFILES (pspace, objfile)
{
struct gdbarch *gdbarch = get_objfile_arch (objfile);
struct partial_symtab *psymtab;
/* We don't want to print anything for this objfile until we
actually find a symtab whose name matches. */
int printed_objfile_start = 0;
ALL_OBJFILE_PSYMTABS (objfile, psymtab)
{
QUIT;
if (! regexp
|| re_exec (psymtab->filename))
{
if (! printed_objfile_start)
{
printf_filtered ("{ objfile %s ", objfile->name);
wrap_here (" ");
printf_filtered ("((struct objfile *) %s)\n",
host_address_to_string (objfile));
printed_objfile_start = 1;
}
printf_filtered (" { psymtab %s ", psymtab->filename);
wrap_here (" ");
printf_filtered ("((struct partial_symtab *) %s)\n",
host_address_to_string (psymtab));
printf_filtered (" readin %s\n",
psymtab->readin ? "yes" : "no");
printf_filtered (" fullname %s\n",
psymtab->fullname ? psymtab->fullname : "(null)");
printf_filtered (" text addresses ");
fputs_filtered (paddress (gdbarch, psymtab->textlow),
gdb_stdout);
printf_filtered (" -- ");
fputs_filtered (paddress (gdbarch, psymtab->texthigh),
gdb_stdout);
printf_filtered ("\n");
printf_filtered (" globals ");
if (psymtab->n_global_syms)
{
printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n",
host_address_to_string (psymtab->objfile->global_psymbols.list
+ psymtab->globals_offset),
psymtab->n_global_syms);
}
else
printf_filtered ("(none)\n");
printf_filtered (" statics ");
if (psymtab->n_static_syms)
{
printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n",
host_address_to_string (psymtab->objfile->static_psymbols.list
+ psymtab->statics_offset),
psymtab->n_static_syms);
}
else
printf_filtered ("(none)\n");
printf_filtered (" dependencies ");
if (psymtab->number_of_dependencies)
{
int i;
printf_filtered ("{\n");
for (i = 0; i < psymtab->number_of_dependencies; i++)
{
struct partial_symtab *dep = psymtab->dependencies[i];
/* Note the string concatenation there --- no comma. */
printf_filtered (" psymtab %s "
"((struct partial_symtab *) %s)\n",
dep->filename,
host_address_to_string (dep));
}
printf_filtered (" }\n");
}
else
printf_filtered ("(none)\n");
printf_filtered (" }\n");
}
}
if (printed_objfile_start)
printf_filtered ("}\n");
}
}
/* Check consistency of psymtabs and symtabs. */
void
maintenance_check_symtabs (char *ignore, int from_tty)
{
struct symbol *sym;
struct partial_symbol **psym;
struct symtab *s = NULL;
struct partial_symtab *ps;
struct blockvector *bv;
struct objfile *objfile;
struct block *b;
int length;
ALL_PSYMTABS (objfile, ps)
{
struct gdbarch *gdbarch = get_objfile_arch (objfile);
s = PSYMTAB_TO_SYMTAB (ps);
if (s == NULL)
continue;
bv = BLOCKVECTOR (s);
b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
psym = ps->objfile->static_psymbols.list + ps->statics_offset;
length = ps->n_static_syms;
while (length--)
{
sym = lookup_block_symbol (b, SYMBOL_LINKAGE_NAME (*psym),
SYMBOL_DOMAIN (*psym));
if (!sym)
{
printf_filtered ("Static symbol `");
puts_filtered (SYMBOL_LINKAGE_NAME (*psym));
printf_filtered ("' only found in ");
puts_filtered (ps->filename);
printf_filtered (" psymtab\n");
}
psym++;
}
b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
psym = ps->objfile->global_psymbols.list + ps->globals_offset;
length = ps->n_global_syms;
while (length--)
{
sym = lookup_block_symbol (b, SYMBOL_LINKAGE_NAME (*psym),
SYMBOL_DOMAIN (*psym));
if (!sym)
{
printf_filtered ("Global symbol `");
puts_filtered (SYMBOL_LINKAGE_NAME (*psym));
printf_filtered ("' only found in ");
puts_filtered (ps->filename);
printf_filtered (" psymtab\n");
}
psym++;
}
if (ps->texthigh < ps->textlow)
{
printf_filtered ("Psymtab ");
puts_filtered (ps->filename);
printf_filtered (" covers bad range ");
fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout);
printf_filtered (" - ");
fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout);
printf_filtered ("\n");
continue;
}
if (ps->texthigh == 0)
continue;
if (ps->textlow < BLOCK_START (b) || ps->texthigh > BLOCK_END (b))
{
printf_filtered ("Psymtab ");
puts_filtered (ps->filename);
printf_filtered (" covers ");
fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout);
printf_filtered (" - ");
fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout);
printf_filtered (" but symtab covers only ");
fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout);
printf_filtered (" - ");
fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout);
printf_filtered ("\n");
}
}
}
void
map_partial_symbol_names (void (*fun) (const char *, void *), void *data)
{
struct objfile *objfile;
ALL_OBJFILES (objfile)
{
if (objfile->sf)
objfile->sf->qf->map_symbol_names (objfile, fun, data);
}
}
void
map_partial_symbol_filenames (void (*fun) (const char *, const char *,
void *),
void *data)
{
struct objfile *objfile;
ALL_OBJFILES (objfile)
{
if (objfile->sf)
objfile->sf->qf->map_symbol_filenames (objfile, fun, data);
}
}
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