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* dwarf2read.c (try_open_dwo_file): Use gdb_bfd_ref and 

gdb_bfd_unref.
	(free_dwo_file): Use gdb_bfd_unref.
	* cli/cli-dump.c: Include gdb_bfd.h.
	(bfd_openw_with_cleanup): Use gdb_bfd_ref.
	(bfd_openr_with_cleanup): Likewise.
	* windows-nat.c (windows_make_so): Use gdb_bfd_ref,
	gdb_bfd_unref.
	* utils.c: Include gdb_bfd.h.
	(do_bfd_close_cleanup): Use gdb_bfd_unref.
	* symfile.c: Include gdb_bfd.h.
	(separate_debug_file_exists): Use gdb_bfd_unref.
	(bfd_open_maybe_remote): Use gdb_bfd_ref.
	(symfile_bfd_open): Use gdb_bfd_ref, gdb_bfd_unref.
	(generic_load): Use gdb_bfd_ref.
	(reread_symbols): Use gdb_bfd_unref.
	* symfile-mem.c: Include gdb_bfd.h.
	(symbol_file_add_from_memory): Use make_cleanup_bfd_close.
	* spu-linux-nat.c (spu_bfd_open): Use gdb_bfd_ref, gdb_bfd_unref.
	* solib.c: Include gdb_bfd.h.
	(solib_bfd_fopen): Use gdb_bfd_ref.
	(solib_bfd_open): Use gdb_bfd_unref.
	(free_so_symbols): Use gdb_bfd_unref.
	(reload_shared_libraries_1): Use gdb_bfd_unref.
	* solib-spu.c: Include gdb_bfd.h.
	(spu_bfd_fopen): Use gdb_bfd_ref, gdb_bfd_unref.
	* solib-pa64.c (pa64_solib_create_inferior_hook): Use gdb_bfd_ref,
	gdb_bfd_unref.
	* solib-frv.c: Include gdb_bfd.h.
	(enable_break2): Use gdb_bfd_unref.
	* solib-dsbt.c: Include gdb_bfd.h.
	(enable_break2): Use gdb_bfd_unref.
	* solib-darwin.c: Include gdb_bfd.h.
	(darwin_solib_get_all_image_info_addr_at_init): Use gdb_bfd_ref,
	gdb_bfd_unref.
	(darwin_bfd_open): Use gdb_bfd_unref.
	* rs6000-nat.c (add_vmap): Use gdb_bfd_ref, gdb_bfd_unref.
	* remote-mips.c: Include gdb_bfd.h.
	(mips_load_srec): Use gdb_bfd_ref.
	(pmon_load_fast): Use gdb_bfd_ref.
	* remote-m32r-sdi.c: Include gdb_bfd.h.
	(m32r_load): Use gdb_bfd_ref.
	* record.c: Include gdb_bfd.h.
	(record_save_cleanups): Use gdb_bfd_unref.
	(cmd_record_save): Use gdb_bfd_unref.
	* procfs.c (insert_dbx_link_bpt_in_file): Use gdb_bfd_ref,
	gdb_bfd_unref.
	* objfiles.h (gdb_bfd_close_or_warn): Remove.
	(gdb_bfd_ref, gdb_bfd_unref): Move to gdb_bfd.h.
	* objfiles.c: Include gdb_bfd.h.
	(free_objfile): Use gdb_bfd_unref.
	(gdb_bfd_close_or_warn, gdb_bfd_ref, gdb_bfd_unref): Move to
	gdb_bfd.c.
	* machoread.c (macho_add_oso_symfile): Use gdb_bfd_unref.
	(macho_symfile_read_all_oso): Use gdb_bfd_ref, gdb_bfd_unref.
	(macho_check_dsym): Likewise.
	* m32r-rom.c: Include gdb_bfd.h.
	(m32r_load): Use gdb_bfd_ref.
	(m32r_upload_command): Use gdb_bfd_ref.
	* jit.c: Include gdb_bfd.h.
	(jit_bfd_try_read_symtab): Use gdb_bfd_ref, gdb_bfd_unref.
	* gdb_bfd.h: New file.
	* gdb_bfd.c: New file.
	* gcore.c: Include gdb_bfd.h.
	(create_gcore_bfd): Use gdb_bfd_ref.
	(do_bfd_delete_cleanup): Use gdb_bfd_unref.
	(gcore_command): Use gdb_bfd_unref.
	* exec.c: Include gdb_bfd.h.
	(exec_close): Use gdb_bfd_unref.
	(exec_close_1): Use gdb_bfd_unref.
	(exec_file_attach): Use gdb_bfd_ref.
	* elfread.c: Include gdb_bfd.h.
	(build_id_verify): Use gdb_bfd_unref.
	* dsrec.c: Include gdb_bfd.h.
	(load_srec): Use gdb_bfd_ref.
	* corelow.c: Include gdb_bfd.h.
	(core_close): Use gdb_bfd_unref.
	(core_open): Use gdb_bfd_ref.
	* bfd-target.c: Include gdb_bfd.h.
	(target_bfd_xclose): Use gdb_bfd_unref.
	(target_bfd_reopen): Use gdb_bfd_ref.
	* Makefile.in (SFILES): Add gdb_bfd.c.
	(HFILES_NO_SRCDIR): Add gdb_bfd.h.
	(COMMON_OBS): Add gdb_bfd.o.
This commit is contained in:
Tom Tromey 2012-07-18 19:33:34 +00:00
parent ed1d1739a1
commit cbb099e886
33 changed files with 344 additions and 196 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

87
gdb/ChangeLog
View File

@ -1,3 +1,90 @@
2012-07-18 Tom Tromey <tromey@redhat.com>
* dwarf2read.c (try_open_dwo_file): Use gdb_bfd_ref and
gdb_bfd_unref.
(free_dwo_file): Use gdb_bfd_unref.
* cli/cli-dump.c: Include gdb_bfd.h.
(bfd_openw_with_cleanup): Use gdb_bfd_ref.
(bfd_openr_with_cleanup): Likewise.
* windows-nat.c (windows_make_so): Use gdb_bfd_ref,
gdb_bfd_unref.
* utils.c: Include gdb_bfd.h.
(do_bfd_close_cleanup): Use gdb_bfd_unref.
* symfile.c: Include gdb_bfd.h.
(separate_debug_file_exists): Use gdb_bfd_unref.
(bfd_open_maybe_remote): Use gdb_bfd_ref.
(symfile_bfd_open): Use gdb_bfd_ref, gdb_bfd_unref.
(generic_load): Use gdb_bfd_ref.
(reread_symbols): Use gdb_bfd_unref.
* symfile-mem.c: Include gdb_bfd.h.
(symbol_file_add_from_memory): Use make_cleanup_bfd_close.
* spu-linux-nat.c (spu_bfd_open): Use gdb_bfd_ref, gdb_bfd_unref.
* solib.c: Include gdb_bfd.h.
(solib_bfd_fopen): Use gdb_bfd_ref.
(solib_bfd_open): Use gdb_bfd_unref.
(free_so_symbols): Use gdb_bfd_unref.
(reload_shared_libraries_1): Use gdb_bfd_unref.
* solib-spu.c: Include gdb_bfd.h.
(spu_bfd_fopen): Use gdb_bfd_ref, gdb_bfd_unref.
* solib-pa64.c (pa64_solib_create_inferior_hook): Use gdb_bfd_ref,
gdb_bfd_unref.
* solib-frv.c: Include gdb_bfd.h.
(enable_break2): Use gdb_bfd_unref.
* solib-dsbt.c: Include gdb_bfd.h.
(enable_break2): Use gdb_bfd_unref.
* solib-darwin.c: Include gdb_bfd.h.
(darwin_solib_get_all_image_info_addr_at_init): Use gdb_bfd_ref,
gdb_bfd_unref.
(darwin_bfd_open): Use gdb_bfd_unref.
* rs6000-nat.c (add_vmap): Use gdb_bfd_ref, gdb_bfd_unref.
* remote-mips.c: Include gdb_bfd.h.
(mips_load_srec): Use gdb_bfd_ref.
(pmon_load_fast): Use gdb_bfd_ref.
* remote-m32r-sdi.c: Include gdb_bfd.h.
(m32r_load): Use gdb_bfd_ref.
* record.c: Include gdb_bfd.h.
(record_save_cleanups): Use gdb_bfd_unref.
(cmd_record_save): Use gdb_bfd_unref.
* procfs.c (insert_dbx_link_bpt_in_file): Use gdb_bfd_ref,
gdb_bfd_unref.
* objfiles.h (gdb_bfd_close_or_warn): Remove.
(gdb_bfd_ref, gdb_bfd_unref): Move to gdb_bfd.h.
* objfiles.c: Include gdb_bfd.h.
(free_objfile): Use gdb_bfd_unref.
(gdb_bfd_close_or_warn, gdb_bfd_ref, gdb_bfd_unref): Move to
gdb_bfd.c.
* machoread.c (macho_add_oso_symfile): Use gdb_bfd_unref.
(macho_symfile_read_all_oso): Use gdb_bfd_ref, gdb_bfd_unref.
(macho_check_dsym): Likewise.
* m32r-rom.c: Include gdb_bfd.h.
(m32r_load): Use gdb_bfd_ref.
(m32r_upload_command): Use gdb_bfd_ref.
* jit.c: Include gdb_bfd.h.
(jit_bfd_try_read_symtab): Use gdb_bfd_ref, gdb_bfd_unref.
* gdb_bfd.h: New file.
* gdb_bfd.c: New file.
* gcore.c: Include gdb_bfd.h.
(create_gcore_bfd): Use gdb_bfd_ref.
(do_bfd_delete_cleanup): Use gdb_bfd_unref.
(gcore_command): Use gdb_bfd_unref.
* exec.c: Include gdb_bfd.h.
(exec_close): Use gdb_bfd_unref.
(exec_close_1): Use gdb_bfd_unref.
(exec_file_attach): Use gdb_bfd_ref.
* elfread.c: Include gdb_bfd.h.
(build_id_verify): Use gdb_bfd_unref.
* dsrec.c: Include gdb_bfd.h.
(load_srec): Use gdb_bfd_ref.
* corelow.c: Include gdb_bfd.h.
(core_close): Use gdb_bfd_unref.
(core_open): Use gdb_bfd_ref.
* bfd-target.c: Include gdb_bfd.h.
(target_bfd_xclose): Use gdb_bfd_unref.
(target_bfd_reopen): Use gdb_bfd_ref.
* Makefile.in (SFILES): Add gdb_bfd.c.
(HFILES_NO_SRCDIR): Add gdb_bfd.h.
(COMMON_OBS): Add gdb_bfd.o.
2012-07-18 Keith Seitz <keiths@redhat.com>
* breakpoint.c (find_condition_and_thread): Initialize

6
gdb/Makefile.in
View File

@ -704,7 +704,7 @@ SFILES = ada-exp.y ada-lang.c ada-typeprint.c ada-valprint.c ada-tasks.c \
exceptions.c expprint.c \
f-exp.y f-lang.c f-typeprint.c f-valprint.c filesystem.c \
findcmd.c findvar.c frame.c frame-base.c frame-unwind.c \
gdbarch.c arch-utils.c gdbtypes.c gnu-v2-abi.c gnu-v3-abi.c \
gdbarch.c arch-utils.c gdb_bfd.c gdbtypes.c gnu-v2-abi.c gnu-v3-abi.c \
go-exp.y go-lang.c go-typeprint.c go-valprint.c \
inf-loop.c \
infcall.c \
@ -829,7 +829,7 @@ gnulib/import/extra/snippet/warn-on-use.h \
gnulib/import/stddef.in.h gnulib/import/inttypes.in.h inline-frame.h skip.h \
common/common-utils.h common/xml-utils.h common/buffer.h common/ptid.h \
common/format.h \
common/linux-osdata.h gdb-dlfcn.h auto-load.h probe.h stap-probe.h
common/linux-osdata.h gdb-dlfcn.h auto-load.h probe.h stap-probe.h gdb_bfd.h
# Header files that already have srcdir in them, or which are in objdir.
@ -879,7 +879,7 @@ COMMON_OBS = $(DEPFILES) $(CONFIG_OBS) $(YYOBJ) \
macrotab.o macrocmd.o macroexp.o macroscope.o \
mi-common.o \
event-loop.o event-top.o inf-loop.o completer.o \
gdbarch.o arch-utils.o gdbtypes.o osabi.o copying.o \
gdbarch.o arch-utils.o gdbtypes.o gdb_bfd.o osabi.o copying.o \
memattr.o mem-break.o target.o parse.o language.o buildsym.o \
findcmd.o \
std-regs.o \

5
gdb/bfd-target.c
View File

@ -21,6 +21,7 @@
#include "target.h"
#include "bfd-target.h"
#include "exec.h"
#include "gdb_bfd.h"
/* The object that is stored in the target_ops->to_data field has this
type. */
@ -70,7 +71,7 @@ target_bfd_xclose (struct target_ops *t, int quitting)
{
struct target_bfd_data *data = t->to_data;
bfd_close (data->bfd);
gdb_bfd_unref (data->bfd);
xfree (data->table.sections);
xfree (data);
xfree (t);
@ -83,7 +84,7 @@ target_bfd_reopen (struct bfd *abfd)
struct target_bfd_data *data;
data = XZALLOC (struct target_bfd_data);
data->bfd = abfd;
data->bfd = gdb_bfd_ref (abfd);
build_section_table (abfd, &data->table.sections, &data->table.sections_end);
t = XZALLOC (struct target_ops);

5
gdb/cli/cli-dump.c
View File

@ -32,6 +32,7 @@
#include "readline/readline.h"
#include "gdbcore.h"
#include "cli/cli-utils.h"
#include "gdb_bfd.h"
#define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
@ -111,7 +112,7 @@ bfd_openr_with_cleanup (const char *filename, const char *target)
{
bfd *ibfd;
ibfd = bfd_openr (filename, target);
ibfd = gdb_bfd_ref (bfd_openr (filename, target));
if (ibfd == NULL)
error (_("Failed to open %s: %s."), filename,
bfd_errmsg (bfd_get_error ()));
@ -131,7 +132,7 @@ bfd_openw_with_cleanup (const char *filename, const char *target,
if (*mode == 'w') /* Write: create new file */
{
obfd = bfd_openw (filename, target);
obfd = gdb_bfd_ref (bfd_openw (filename, target));
if (obfd == NULL)
error (_("Failed to open %s: %s."), filename,
bfd_errmsg (bfd_get_error ()));

9
gdb/corelow.c
View File

@ -46,6 +46,7 @@
#include "filenames.h"
#include "progspace.h"
#include "objfiles.h"
#include "gdb_bfd.h"
#ifndef O_LARGEFILE
#define O_LARGEFILE 0
@ -216,7 +217,7 @@ core_close (int quitting)
}
name = bfd_get_filename (core_bfd);
gdb_bfd_close_or_warn (core_bfd);
gdb_bfd_unref (core_bfd);
xfree (name);
core_bfd = NULL;
}
@ -319,9 +320,9 @@ core_open (char *filename, int from_tty)
if (scratch_chan < 0)
perror_with_name (filename);
temp_bfd = bfd_fopen (filename, gnutarget,
write_files ? FOPEN_RUB : FOPEN_RB,
scratch_chan);
temp_bfd = gdb_bfd_ref (bfd_fopen (filename, gnutarget,
write_files ? FOPEN_RUB : FOPEN_RB,
scratch_chan));
if (temp_bfd == NULL)
perror_with_name (filename);

3
gdb/dsrec.c
View File

@ -23,6 +23,7 @@
#include <time.h>
#include "gdb_assert.h"
#include "gdb_string.h"
#include "gdb_bfd.h"
extern void report_transfer_performance (unsigned long, time_t, time_t);
@ -59,7 +60,7 @@ load_srec (struct serial *desc, const char *file, bfd_vma load_offset,
srec = (char *) alloca (maxrecsize + 1);
abfd = bfd_openr (file, 0);
abfd = gdb_bfd_ref (bfd_openr (file, 0));
if (!abfd)
{
printf_filtered (_("Unable to open file %s\n"), file);

10
gdb/dwarf2read.c
View File

@ -64,6 +64,7 @@
#include "gdbcore.h" /* for gnutarget */
#include "gdb/gdb-index.h"
#include <ctype.h>
#include "gdb_bfd.h"
#include <fcntl.h>
#include "gdb_string.h"
@ -8114,7 +8115,7 @@ try_open_dwo_file (const char *file_name)
if (desc < 0)
return NULL;
sym_bfd = bfd_fopen (absolute_name, gnutarget, FOPEN_RB, desc);
sym_bfd = gdb_bfd_ref (bfd_fopen (absolute_name, gnutarget, FOPEN_RB, desc));
if (!sym_bfd)
{
xfree (absolute_name);
@ -8124,14 +8125,11 @@ try_open_dwo_file (const char *file_name)
if (!bfd_check_format (sym_bfd, bfd_object))
{
bfd_close (sym_bfd); /* This also closes desc. */
xfree (absolute_name);
gdb_bfd_unref (sym_bfd); /* This also closes desc. */
return NULL;
}
/* bfd_usrdata exists for applications and libbfd must not touch it. */
gdb_assert (bfd_usrdata (sym_bfd) == NULL);
return sym_bfd;
}
@ -8323,7 +8321,7 @@ free_dwo_file (struct dwo_file *dwo_file, struct objfile *objfile)
struct dwarf2_section_info *section;
gdb_assert (dwo_file->dwo_bfd != objfile->obfd);
bfd_close (dwo_file->dwo_bfd);
gdb_bfd_unref (dwo_file->dwo_bfd);
munmap_section_buffer (&dwo_file->sections.abbrev);
munmap_section_buffer (&dwo_file->sections.info);

3
gdb/elfread.c
View File

@ -44,6 +44,7 @@
#include "gdbthread.h"
#include "regcache.h"
#include "bcache.h"
#include "gdb_bfd.h"
extern void _initialize_elfread (void);
@ -1123,7 +1124,7 @@ build_id_verify (const char *filename, struct build_id *check)
else
retval = 1;
gdb_bfd_close_or_warn (abfd);
gdb_bfd_unref (abfd);
xfree (found);

12
gdb/exec.c
View File

@ -33,6 +33,7 @@
#include "arch-utils.h"
#include "gdbthread.h"
#include "progspace.h"
#include "gdb_bfd.h"
#include <fcntl.h>
#include "readline/readline.h"
@ -100,7 +101,7 @@ exec_close (void)
bfd *abfd = exec_bfd;
char *name = bfd_get_filename (abfd);
gdb_bfd_close_or_warn (abfd);
gdb_bfd_unref (abfd);
xfree (name);
/* Removing target sections may close the exec_ops target.
@ -137,8 +138,7 @@ exec_close_1 (int quitting)
need_symtab_cleanup = 1;
}
else if (vp->bfd != exec_bfd)
/* FIXME-leak: We should be freeing vp->name too, I think. */
gdb_bfd_close_or_warn (vp->bfd);
gdb_bfd_unref (vp->bfd);
xfree (vp);
}
@ -232,9 +232,9 @@ exec_file_attach (char *filename, int from_tty)
#endif
if (scratch_chan < 0)
perror_with_name (filename);
exec_bfd = bfd_fopen (scratch_pathname, gnutarget,
write_files ? FOPEN_RUB : FOPEN_RB,
scratch_chan);
exec_bfd = gdb_bfd_ref (bfd_fopen (scratch_pathname, gnutarget,
write_files ? FOPEN_RUB : FOPEN_RB,
scratch_chan));
if (!exec_bfd)
{

7
gdb/gcore.c
View File

@ -33,6 +33,7 @@
#include <fcntl.h>
#include "regcache.h"
#include "regset.h"
#include "gdb_bfd.h"
/* The largest amount of memory to read from the target at once. We
must throttle it to limit the amount of memory used by GDB during
@ -50,7 +51,7 @@ static int gcore_memory_sections (bfd *);
bfd *
create_gcore_bfd (char *filename)
{
bfd *obfd = bfd_openw (filename, default_gcore_target ());
bfd *obfd = gdb_bfd_ref (bfd_openw (filename, default_gcore_target ()));
if (!obfd)
error (_("Failed to open '%s' for output."), filename);
@ -110,7 +111,7 @@ do_bfd_delete_cleanup (void *arg)
bfd *obfd = arg;
const char *filename = obfd->filename;
bfd_close (arg);
gdb_bfd_unref (arg);
unlink (filename);
}
@ -154,7 +155,7 @@ gcore_command (char *args, int from_tty)
fprintf_filtered (gdb_stdout, "Saved corefile %s\n", corefilename);
discard_cleanups (old_chain);
bfd_close (obfd);
gdb_bfd_unref (obfd);
}
static unsigned long

90
gdb/gdb_bfd.c Normal file
View File

@ -0,0 +1,90 @@
/* Definitions for BFD wrappers used by GDB.
Copyright (C) 2011
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 "gdb_bfd.h"
#include "gdb_assert.h"
/* Close ABFD, and warn if that fails. */
static int
gdb_bfd_close_or_warn (struct bfd *abfd)
{
int ret;
char *name = bfd_get_filename (abfd);
ret = bfd_close (abfd);
if (!ret)
warning (_("cannot close \"%s\": %s"),
name, bfd_errmsg (bfd_get_error ()));
return ret;
}
/* Add reference to ABFD. Returns ABFD. */
struct bfd *
gdb_bfd_ref (struct bfd *abfd)
{
int *p_refcount;
if (abfd == NULL)
return NULL;
p_refcount = bfd_usrdata (abfd);
if (p_refcount != NULL)
{
*p_refcount += 1;
return abfd;
}
p_refcount = xmalloc (sizeof (*p_refcount));
*p_refcount = 1;
bfd_usrdata (abfd) = p_refcount;
return abfd;
}
/* Unreference and possibly close ABFD. */
void
gdb_bfd_unref (struct bfd *abfd)
{
int *p_refcount;
char *name;
if (abfd == NULL)
return;
p_refcount = bfd_usrdata (abfd);
gdb_assert (*p_refcount >= 1);
*p_refcount -= 1;
if (*p_refcount > 0)
return;
xfree (p_refcount);
bfd_usrdata (abfd) = NULL; /* Paranoia. */
name = bfd_get_filename (abfd);
gdb_bfd_close_or_warn (abfd);
}

35
gdb/gdb_bfd.h Normal file
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@ -0,0 +1,35 @@
/* Definitions for BFD wrappers used by GDB.
Copyright (C) 2011
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/>. */
#ifndef GDB_BFD_H
#define GDB_BFD_H
/* Acquire a new reference to ABFD. Returns ABFD for convenience.
It is fine for ABFD to be NULL; in this case the function does
nothing and returns NULL. */
struct bfd *gdb_bfd_ref (struct bfd *abfd);
/* Release a reference to ABFD. If this is the last reference, ABFD
will be freed. If ABFD is NULL, this function does nothing. */
void gdb_bfd_unref (struct bfd *abfd);
#endif /* GDB_BFD_H */

4
gdb/jit.c
View File

@ -38,6 +38,7 @@
#include "gdb-dlfcn.h"
#include "gdb_stat.h"
#include "exceptions.h"
#include "gdb_bfd.h"
static const char *jit_reader_dir = NULL;
@ -861,6 +862,7 @@ jit_bfd_try_read_symtab (struct jit_code_entry *code_entry,
puts_unfiltered (_("Error opening JITed symbol file, ignoring it.\n"));
return;
}
nbfd = gdb_bfd_ref (nbfd);
/* Check the format. NOTE: This initializes important data that GDB uses!
We would segfault later without this line. */
@ -868,7 +870,7 @@ jit_bfd_try_read_symtab (struct jit_code_entry *code_entry,
{
printf_unfiltered (_("\
JITed symbol file is not an object file, ignoring it.\n"));
bfd_close (nbfd);
gdb_bfd_unref (nbfd);
return;
}

5
gdb/m32r-rom.c
View File

@ -40,6 +40,7 @@
#include "inferior.h"
#include <ctype.h>
#include "regcache.h"
#include "gdb_bfd.h"
/*
* All this stuff just to get my host computer's IP address!
@ -128,7 +129,7 @@ m32r_load (char *filename, int from_tty)
if (filename == NULL || filename[0] == 0)
filename = get_exec_file (1);
abfd = bfd_openr (filename, 0);
abfd = gdb_bfd_ref (bfd_openr (filename, 0));
if (!abfd)
error (_("Unable to open file %s."), filename);
if (bfd_check_format (abfd, bfd_object) == 0)
@ -524,7 +525,7 @@ m32r_upload_command (char *args, int from_tty)
printf_filtered (" -- Ethernet load complete.\n");
gettimeofday (&end_time, NULL);
abfd = bfd_openr (args, 0);
abfd = gdb_bfd_ref (bfd_openr (args, 0));
if (abfd != NULL)
{ /* Download is done -- print section statistics. */
if (bfd_check_format (abfd, bfd_object) == 0)

32
gdb/machoread.c
View File

@ -466,14 +466,14 @@ macho_add_oso_symfile (oso_el *oso, bfd *abfd,
{
warning (_("`%s': can't read symbols: %s."), oso->name,
bfd_errmsg (bfd_get_error ()));
bfd_close (abfd);
gdb_bfd_unref (abfd);
return;
}
if (abfd->my_archive == NULL && oso->mtime != bfd_get_mtime (abfd))
{
warning (_("`%s': file time stamp mismatch."), oso->name);
bfd_close (abfd);
gdb_bfd_unref (abfd);
return;
}
@ -482,7 +482,7 @@ macho_add_oso_symfile (oso_el *oso, bfd *abfd,
oso->nbr_syms))
{
warning (_("`%s': can't create hash table"), oso->name);
bfd_close (abfd);
gdb_bfd_unref (abfd);
return;
}
@ -686,7 +686,7 @@ macho_symfile_read_all_oso (struct objfile *main_objfile, int symfile_flags)
}
/* Open the archive and check the format. */
archive_bfd = bfd_openr (archive_name, gnutarget);
archive_bfd = gdb_bfd_ref (bfd_openr (archive_name, gnutarget));
if (archive_bfd == NULL)
{
warning (_("Could not open OSO archive file \"%s\""),
@ -698,17 +698,18 @@ macho_symfile_read_all_oso (struct objfile *main_objfile, int symfile_flags)
{
warning (_("OSO archive file \"%s\" not an archive."),
archive_name);
bfd_close (archive_bfd);
gdb_bfd_unref (archive_bfd);
ix = last_ix;
continue;
}
member_bfd = bfd_openr_next_archived_file (archive_bfd, NULL);
member_bfd = gdb_bfd_ref (bfd_openr_next_archived_file (archive_bfd,
NULL));
if (member_bfd == NULL)
{
warning (_("Could not read archive members out of "
"OSO archive \"%s\""), archive_name);
bfd_close (archive_bfd);
gdb_bfd_unref (archive_bfd);
ix = last_ix;
continue;
}
@ -738,12 +739,13 @@ macho_symfile_read_all_oso (struct objfile *main_objfile, int symfile_flags)
}
prev = member_bfd;
member_bfd = bfd_openr_next_archived_file
(archive_bfd, member_bfd);
member_bfd
= gdb_bfd_ref (bfd_openr_next_archived_file (archive_bfd,
member_bfd));
/* Free previous member if not referenced by an oso. */
if (ix2 >= last_ix)
bfd_close (prev);
gdb_bfd_unref (prev);
}
for (ix2 = ix; ix2 < last_ix; ix2++)
{
@ -759,7 +761,7 @@ macho_symfile_read_all_oso (struct objfile *main_objfile, int symfile_flags)
{
bfd *abfd;
abfd = bfd_openr (oso->name, gnutarget);
abfd = gdb_bfd_ref (bfd_openr (oso->name, gnutarget));
if (!abfd)
warning (_("`%s': can't open to read symbols: %s."), oso->name,
bfd_errmsg (bfd_get_error ()));
@ -809,7 +811,7 @@ macho_check_dsym (struct objfile *objfile)
return NULL;
}
dsym_filename = xstrdup (dsym_filename);
dsym_bfd = bfd_openr (dsym_filename, gnutarget);
dsym_bfd = gdb_bfd_ref (bfd_openr (dsym_filename, gnutarget));
if (dsym_bfd == NULL)
{
warning (_("can't open dsym file %s"), dsym_filename);
@ -819,7 +821,7 @@ macho_check_dsym (struct objfile *objfile)
if (!bfd_check_format (dsym_bfd, bfd_object))
{
bfd_close (dsym_bfd);
gdb_bfd_unref (dsym_bfd);
warning (_("bad dsym file format: %s"), bfd_errmsg (bfd_get_error ()));
xfree (dsym_filename);
return NULL;
@ -829,7 +831,7 @@ macho_check_dsym (struct objfile *objfile)
BFD_MACH_O_LC_UUID, &dsym_uuid) == 0)
{
warning (_("can't find UUID in %s"), dsym_filename);
bfd_close (dsym_bfd);
gdb_bfd_unref (dsym_bfd);
xfree (dsym_filename);
return NULL;
}
@ -837,7 +839,7 @@ macho_check_dsym (struct objfile *objfile)
sizeof (main_uuid->command.uuid.uuid)))
{
warning (_("dsym file UUID doesn't match the one in %s"), objfile->name);
bfd_close (dsym_bfd);
gdb_bfd_unref (dsym_bfd);
xfree (dsym_filename);
return NULL;
}

74
gdb/objfiles.c
View File

@ -53,6 +53,7 @@
#include "complaints.h"
#include "psymtab.h"
#include "solist.h"
#include "gdb_bfd.h"
/* Prototypes for local functions */
@ -193,9 +194,9 @@ allocate_objfile (bfd *abfd, int flags)
/* Update the per-objfile information that comes from the bfd, ensuring
that any data that is reference is saved in the per-objfile data
region. */
region. Note that we steal a reference to ABFD. */
objfile->obfd = gdb_bfd_ref (abfd);
objfile->obfd = abfd;
if (abfd != NULL)
{
/* Look up the gdbarch associated with the BFD. */
@ -1456,75 +1457,6 @@ objfiles_changed (void)
get_objfile_pspace_data (current_program_space)->objfiles_changed_p = 1;
}
/* Close ABFD, and warn if that fails. */
int
gdb_bfd_close_or_warn (struct bfd *abfd)
{
int ret;
char *name = bfd_get_filename (abfd);
ret = bfd_close (abfd);
if (!ret)
warning (_("cannot close \"%s\": %s"),
name, bfd_errmsg (bfd_get_error ()));
return ret;
}
/* Add reference to ABFD. Returns ABFD. */
struct bfd *
gdb_bfd_ref (struct bfd *abfd)
{
int *p_refcount;
if (abfd == NULL)
return NULL;
p_refcount = bfd_usrdata (abfd);
if (p_refcount != NULL)
{
*p_refcount += 1;
return abfd;
}
p_refcount = xmalloc (sizeof (*p_refcount));
*p_refcount = 1;
bfd_usrdata (abfd) = p_refcount;
return abfd;
}
/* Unreference and possibly close ABFD. */
void
gdb_bfd_unref (struct bfd *abfd)
{
int *p_refcount;
char *name;
if (abfd == NULL)
return;
p_refcount = bfd_usrdata (abfd);
/* Valid range for p_refcount: a pointer to int counter, which has a
value of 1 (single owner) or 2 (shared). */
gdb_assert (*p_refcount == 1 || *p_refcount == 2);
*p_refcount -= 1;
if (*p_refcount > 0)
return;
xfree (p_refcount);
bfd_usrdata (abfd) = NULL; /* Paranoia. */
name = bfd_get_filename (abfd);
gdb_bfd_close_or_warn (abfd);
xfree (name);
}
/* The default implementation for the "iterate_over_objfiles_in_search_order"
gdbarch method. It is equivalent to use the ALL_OBJFILES macro,
searching the objfiles in the order they are stored internally,

4
gdb/objfiles.h
View File

@ -522,10 +522,6 @@ extern void set_objfile_data (struct objfile *objfile,
extern void *objfile_data (struct objfile *objfile,
const struct objfile_data *data);
extern struct bfd *gdb_bfd_ref (struct bfd *abfd);
extern void gdb_bfd_unref (struct bfd *abfd);
extern int gdb_bfd_close_or_warn (struct bfd *abfd);
extern void default_iterate_over_objfiles_in_search_order
(struct gdbarch *gdbarch,
iterate_over_objfiles_in_search_order_cb_ftype *cb,

10
gdb/procfs.c
View File

@ -3486,7 +3486,7 @@ insert_dbx_link_bpt_in_file (int fd, CORE_ADDR ignored)
long storage_needed;
CORE_ADDR sym_addr;
abfd = bfd_fdopenr ("unamed", 0, fd);
abfd = gdb_bfd_ref (bfd_fdopenr ("unamed", 0, fd));
if (abfd == NULL)
{
warning (_("Failed to create a bfd: %s."), bfd_errmsg (bfd_get_error ()));
@ -3497,7 +3497,7 @@ insert_dbx_link_bpt_in_file (int fd, CORE_ADDR ignored)
{
/* Not the correct format, so we can not possibly find the dbx_link
symbol in it. */
bfd_close (abfd);
gdb_bfd_unref (abfd);
return 0;
}
@ -3511,14 +3511,14 @@ insert_dbx_link_bpt_in_file (int fd, CORE_ADDR ignored)
if (dbx_link_bpt == NULL)
{
warning (_("Failed to insert dbx_link breakpoint."));
bfd_close (abfd);
gdb_bfd_unref (abfd);
return 0;
}
bfd_close (abfd);
gdb_bfd_unref (abfd);
return 1;
}
bfd_close (abfd);
gdb_bfd_unref (abfd);
return 0;
}

5
gdb/record.c
View File

@ -32,6 +32,7 @@
#include "gcore.h"
#include "event-loop.h"
#include "inf-loop.h"
#include "gdb_bfd.h"
#include <signal.h>
@ -2638,7 +2639,7 @@ record_save_cleanups (void *data)
bfd *obfd = data;
char *pathname = xstrdup (bfd_get_filename (obfd));
bfd_close (obfd);
gdb_bfd_unref (obfd);
unlink (pathname);
xfree (pathname);
}
@ -2854,7 +2855,7 @@ cmd_record_save (char *args, int from_tty)
}
do_cleanups (set_cleanups);
bfd_close (obfd);
gdb_bfd_unref (obfd);
discard_cleanups (old_cleanups);
/* Succeeded. */

3
gdb/remote-m32r-sdi.c
View File

@ -39,6 +39,7 @@
#include <sys/time.h>
#include <signal.h>
#include <time.h>
#include "gdb_bfd.h"
#include "serial.h"
@ -1257,7 +1258,7 @@ m32r_load (char *args, int from_tty)
if (!filename)
filename = get_exec_file (1);
pbfd = bfd_openr (filename, gnutarget);
pbfd = gdb_bfd_ref (bfd_openr (filename, gnutarget));
if (pbfd == NULL)
{
perror_with_name (filename);

5
gdb/remote-mips.c
View File

@ -36,6 +36,7 @@
#include <ctype.h>
#include "mips-tdep.h"
#include "gdbthread.h"
#include "gdb_bfd.h"
/* Breakpoint types. Values 0, 1, and 2 must agree with the watch
@ -2787,7 +2788,7 @@ mips_load_srec (char *args)
buffer = alloca (srec_frame * 2 + 256);
abfd = bfd_openr (args, 0);
abfd = gdb_bfd_ref (bfd_openr (args, 0));
if (!abfd)
{
printf_filtered ("Unable to open file %s\n", args);
@ -3370,7 +3371,7 @@ pmon_load_fast (char *file)
buffer = (char *) xmalloc (MAXRECSIZE + 1);
binbuf = (unsigned char *) xmalloc (BINCHUNK);
abfd = bfd_openr (file, 0);
abfd = gdb_bfd_ref (bfd_openr (file, 0));
if (!abfd)
{
printf_filtered ("Unable to open file %s\n", file);

13
gdb/rs6000-nat.c
View File

@ -752,6 +752,7 @@ add_vmap (LdInfo *ldi)
abfd = bfd_openr (objname, gnutarget);
else
abfd = bfd_fdopenr (objname, gnutarget, fd);
abfd = gdb_bfd_ref (abfd);
if (!abfd)
{
warning (_("Could not open `%s' as an executable file: %s"),
@ -768,14 +769,14 @@ add_vmap (LdInfo *ldi)
{
last = 0;
/* FIXME??? am I tossing BFDs? bfd? */
while ((last = bfd_openr_next_archived_file (abfd, last)))
while ((last = gdb_bfd_ref (bfd_openr_next_archived_file (abfd, last))))
if (strcmp (mem, last->filename) == 0)
break;
if (!last)
{
warning (_("\"%s\": member \"%s\" missing."), objname, mem);
bfd_close (abfd);
gdb_bfd_unref (abfd);
return NULL;
}
@ -783,8 +784,8 @@ add_vmap (LdInfo *ldi)
{
warning (_("\"%s\": member \"%s\" not in executable format: %s."),
objname, mem, bfd_errmsg (bfd_get_error ()));
bfd_close (last);
bfd_close (abfd);
gdb_bfd_unref (last);
gdb_bfd_unref (abfd);
return NULL;
}
@ -794,10 +795,10 @@ add_vmap (LdInfo *ldi)
{
warning (_("\"%s\": not in executable format: %s."),
objname, bfd_errmsg (bfd_get_error ()));
bfd_close (abfd);
gdb_bfd_unref (abfd);
return NULL;
}
obj = allocate_objfile (vp->bfd, 0);
obj = allocate_objfile (gdb_bfd_ref (vp->bfd), 0);
vp->objfile = obj;
/* Always add symbols for the main objfile. */

9
gdb/solib-darwin.c
View File

@ -28,6 +28,7 @@
#include "inferior.h"
#include "regcache.h"
#include "gdbthread.h"
#include "gdb_bfd.h"
#include "gdb_assert.h"
@ -367,7 +368,7 @@ darwin_solib_get_all_image_info_addr_at_init (struct darwin_info *info)
return;
/* Create a bfd for the interpreter. */
dyld_bfd = bfd_openr (interp_name, gnutarget);
dyld_bfd = gdb_bfd_ref (bfd_openr (interp_name, gnutarget));
if (dyld_bfd)
{
bfd *sub;
@ -378,7 +379,7 @@ darwin_solib_get_all_image_info_addr_at_init (struct darwin_info *info)
dyld_bfd = sub;
else
{
bfd_close (dyld_bfd);
gdb_bfd_unref (dyld_bfd);
dyld_bfd = NULL;
}
}
@ -395,7 +396,7 @@ darwin_solib_get_all_image_info_addr_at_init (struct darwin_info *info)
info->all_image_addr =
lookup_symbol_from_bfd (dyld_bfd, "_dyld_all_image_infos");
bfd_close (dyld_bfd);
gdb_bfd_unref (dyld_bfd);
if (info->all_image_addr == 0)
return;
@ -509,7 +510,7 @@ darwin_bfd_open (char *pathname)
gdbarch_bfd_arch_info (target_gdbarch));
if (!res)
{
bfd_close (abfd);
gdb_bfd_unref (abfd);
make_cleanup (xfree, found_pathname);
error (_("`%s': not a shared-library: %s"),
found_pathname, bfd_errmsg (bfd_get_error ()));

7
gdb/solib-dsbt.c
View File

@ -30,6 +30,7 @@
#include "gdbcmd.h"
#include "elf-bfd.h"
#include "exceptions.h"
#include "gdb_bfd.h"
#define GOT_MODULE_OFFSET 4
@ -899,7 +900,7 @@ enable_break2 (void)
{
warning (_("Could not find symbol _dl_debug_addr in dynamic linker"));
enable_break_failure_warning ();
bfd_close (tmp_bfd);
gdb_bfd_unref (tmp_bfd);
return 0;
}
@ -948,13 +949,13 @@ enable_break2 (void)
"(at address %s) from dynamic linker"),
hex_string_custom (addr + 8, 8));
enable_break_failure_warning ();
bfd_close (tmp_bfd);
gdb_bfd_unref (tmp_bfd);
return 0;
}
addr = extract_unsigned_integer (addr_buf, sizeof addr_buf, byte_order);
/* We're done with the temporary bfd. */
bfd_close (tmp_bfd);
gdb_bfd_unref (tmp_bfd);
/* We're also done with the loadmap. */
xfree (ldm);

13
gdb/solib-frv.c
View File

@ -31,6 +31,7 @@
#include "gdbcmd.h"
#include "elf/frv.h"
#include "exceptions.h"
#include "gdb_bfd.h"
/* Flag which indicates whether internal debug messages should be printed. */
static int solib_frv_debug;
@ -574,7 +575,7 @@ enable_break2 (void)
{
warning (_("Unable to determine dynamic linker loadmap address."));
enable_break_failure_warning ();
bfd_close (tmp_bfd);
gdb_bfd_unref (tmp_bfd);
return 0;
}
@ -589,7 +590,7 @@ enable_break2 (void)
warning (_("Unable to load dynamic linker loadmap at address %s."),
hex_string_custom (interp_loadmap_addr, 8));
enable_break_failure_warning ();
bfd_close (tmp_bfd);
gdb_bfd_unref (tmp_bfd);
return 0;
}
@ -623,7 +624,7 @@ enable_break2 (void)
warning (_("Could not find symbol _dl_debug_addr "
"in dynamic linker"));
enable_break_failure_warning ();
bfd_close (tmp_bfd);
gdb_bfd_unref (tmp_bfd);
return 0;
}
@ -674,7 +675,7 @@ enable_break2 (void)
"(at address %s) from dynamic linker"),
hex_string_custom (addr + 8, 8));
enable_break_failure_warning ();
bfd_close (tmp_bfd);
gdb_bfd_unref (tmp_bfd);
return 0;
}
addr = extract_unsigned_integer (addr_buf, sizeof addr_buf, byte_order);
@ -686,13 +687,13 @@ enable_break2 (void)
"(at address %s) from dynamic linker"),
hex_string_custom (addr, 8));
enable_break_failure_warning ();
bfd_close (tmp_bfd);
gdb_bfd_unref (tmp_bfd);
return 0;
}
addr = extract_unsigned_integer (addr_buf, sizeof addr_buf, byte_order);
/* We're done with the temporary bfd. */
bfd_close (tmp_bfd);
gdb_bfd_unref (tmp_bfd);
/* We're also done with the loadmap. */
xfree (ldm);

6
gdb/solib-pa64.c
View File

@ -362,7 +362,7 @@ manpage for methods to privately map shared library text."));
to find any magic formula to find it for Solaris (appears to
be trivial on GNU/Linux). Therefore, we have to try an alternate
mechanism to find the dynamic linker's base address. */
tmp_bfd = bfd_openr (buf, gnutarget);
tmp_bfd = gdb_bfd_ref (bfd_openr (buf, gnutarget));
if (tmp_bfd == NULL)
return;
@ -371,7 +371,7 @@ manpage for methods to privately map shared library text."));
{
warning (_("Unable to grok dynamic linker %s as an object file"),
buf);
bfd_close (tmp_bfd);
gdb_bfd_unref (tmp_bfd);
return;
}
@ -401,7 +401,7 @@ manpage for methods to privately map shared library text."));
}
/* We're done with the temporary bfd. */
bfd_close (tmp_bfd);
gdb_bfd_unref (tmp_bfd);
}
}

11
gdb/solib-spu.c
View File

@ -36,6 +36,7 @@
#include "breakpoint.h"
#include "gdbthread.h"
#include "exceptions.h"
#include "gdb_bfd.h"
#include "spu-tdep.h"
@ -325,16 +326,16 @@ spu_bfd_fopen (char *name, CORE_ADDR addr)
CORE_ADDR *open_closure = xmalloc (sizeof (CORE_ADDR));
*open_closure = addr;
nbfd = bfd_openr_iovec (xstrdup (name), "elf32-spu",
spu_bfd_iovec_open, open_closure,
spu_bfd_iovec_pread, spu_bfd_iovec_close,
spu_bfd_iovec_stat);
nbfd = gdb_bfd_ref (bfd_openr_iovec (xstrdup (name), "elf32-spu",
spu_bfd_iovec_open, open_closure,
spu_bfd_iovec_pread, spu_bfd_iovec_close,
spu_bfd_iovec_stat));
if (!nbfd)
return NULL;
if (!bfd_check_format (nbfd, bfd_object))
{
bfd_close (nbfd);
gdb_bfd_unref (nbfd);
return NULL;
}

11
gdb/solib.c
View File

@ -46,6 +46,7 @@
#include "solib.h"
#include "interps.h"
#include "filesystem.h"
#include "gdb_bfd.h"
/* Architecture-specific operations. */
@ -389,7 +390,7 @@ solib_bfd_fopen (char *pathname, int fd)
pathname, bfd_errmsg (bfd_get_error ()));
}
return abfd;
return gdb_bfd_ref (abfd);
}
/* Find shared library PATHNAME and open a BFD for it. */
@ -420,7 +421,7 @@ solib_bfd_open (char *pathname)
/* Check bfd format. */
if (!bfd_check_format (abfd, bfd_object))
{
bfd_close (abfd);
gdb_bfd_unref (abfd);
make_cleanup (xfree, found_pathname);
error (_("`%s': not in executable format: %s"),
found_pathname, bfd_errmsg (bfd_get_error ()));
@ -466,7 +467,7 @@ solib_map_sections (struct so_list *so)
return 0;
/* Leave bfd open, core_xfer_memory and "info files" need it. */
so->abfd = gdb_bfd_ref (abfd);
so->abfd = abfd;
/* copy full path name into so_name, so that later symbol_file_add
can find it. */
@ -608,7 +609,7 @@ solib_read_symbols (struct so_list *so, int flags)
sap = build_section_addr_info_from_section_table (so->sections,
so->sections_end);
so->objfile = symbol_file_add_from_bfd (so->abfd,
so->objfile = symbol_file_add_from_bfd (gdb_bfd_ref (so->abfd),
flags, sap, OBJF_SHARED,
NULL);
so->objfile->addr_low = so->addr_low;
@ -1233,7 +1234,7 @@ reload_shared_libraries_1 (int from_tty)
{
found_pathname = xstrdup (bfd_get_filename (abfd));
make_cleanup (xfree, found_pathname);
gdb_bfd_close_or_warn (abfd);
gdb_bfd_unref (abfd);
}
/* If this shared library is no longer associated with its previous

3
gdb/spu-linux-nat.c
View File

@ -321,10 +321,11 @@ spu_bfd_open (ULONGEST addr)
spu_bfd_iovec_stat);
if (!nbfd)
return NULL;
nbfd = gdb_bfd_ref (nbfd);
if (!bfd_check_format (nbfd, bfd_object))
{
bfd_close (nbfd);
gdb_bfd_unref (nbfd);
return NULL;
}

7
gdb/symfile-mem.c
View File

@ -54,6 +54,7 @@
#include "observer.h"
#include "auxv.h"
#include "elf/common.h"
#include "gdb_bfd.h"
/* Verify parameters of target_read_memory_bfd and target_read_memory are
compatible. */
@ -100,6 +101,7 @@ symbol_file_add_from_memory (struct bfd *templ, CORE_ADDR addr, char *name,
if (nbfd == NULL)
error (_("Failed to read a valid object file image from memory."));
gdb_bfd_ref (nbfd);
if (name == NULL)
nbfd->filename = xstrdup ("shared object read from target memory");
else
@ -107,10 +109,7 @@ symbol_file_add_from_memory (struct bfd *templ, CORE_ADDR addr, char *name,
if (!bfd_check_format (nbfd, bfd_object))
{
/* FIXME: should be checking for errors from bfd_close (for one thing,
on error it does not free all the storage associated with the
bfd). */
bfd_close (nbfd);
make_cleanup_bfd_close (nbfd);
error (_("Got object file from memory but can't read symbols: %s."),
bfd_errmsg (bfd_get_error ()));
}

37
gdb/symfile.c
View File

@ -55,6 +55,7 @@
#include "solib.h"
#include "remote.h"
#include "stack.h"
#include "gdb_bfd.h"
#include <sys/types.h>
#include <fcntl.h>
@ -1372,7 +1373,7 @@ separate_debug_file_exists (const char *name, unsigned long crc,
if (abfd_stat.st_dev == parent_stat.st_dev
&& abfd_stat.st_ino == parent_stat.st_ino)
{
bfd_close (abfd);
gdb_bfd_unref (abfd);
return 0;
}
verified_as_different = 1;
@ -1382,7 +1383,7 @@ separate_debug_file_exists (const char *name, unsigned long crc,
file_crc_p = get_file_crc (abfd, &file_crc);
bfd_close (abfd);
gdb_bfd_unref (abfd);
if (!file_crc_p)
return 0;
@ -1690,15 +1691,16 @@ set_initial_language (void)
}
/* If NAME is a remote name open the file using remote protocol, otherwise
open it normally. */
open it normally. Returns a new reference to the BFD. On error,
returns NULL with the BFD error set. */
bfd *
bfd_open_maybe_remote (const char *name)
{
if (remote_filename_p (name))
return remote_bfd_open (name, gnutarget);
return gdb_bfd_ref (remote_bfd_open (name, gnutarget));
else
return bfd_openr (name, gnutarget);
return gdb_bfd_ref (bfd_openr (name, gnutarget));
}
@ -1717,7 +1719,7 @@ symfile_bfd_open (char *name)
if (remote_filename_p (name))
{
name = xstrdup (name);
sym_bfd = remote_bfd_open (name, gnutarget);
sym_bfd = gdb_bfd_ref (remote_bfd_open (name, gnutarget));
if (!sym_bfd)
{
make_cleanup (xfree, name);
@ -1727,7 +1729,7 @@ symfile_bfd_open (char *name)
if (!bfd_check_format (sym_bfd, bfd_object))
{
bfd_close (sym_bfd);
gdb_bfd_unref (sym_bfd);
make_cleanup (xfree, name);
error (_("`%s': can't read symbols: %s."), name,
bfd_errmsg (bfd_get_error ()));
@ -1762,7 +1764,7 @@ symfile_bfd_open (char *name)
xfree (name);
name = absolute_name;
sym_bfd = bfd_fopen (name, gnutarget, FOPEN_RB, desc);
sym_bfd = gdb_bfd_ref (bfd_fopen (name, gnutarget, FOPEN_RB, desc));
if (!sym_bfd)
{
make_cleanup (xfree, name);
@ -1773,18 +1775,12 @@ symfile_bfd_open (char *name)
if (!bfd_check_format (sym_bfd, bfd_object))
{
/* FIXME: should be checking for errors from bfd_close (for one
thing, on error it does not free all the storage associated
with the bfd). */
bfd_close (sym_bfd); /* This also closes desc. */
make_cleanup_bfd_close (sym_bfd);
make_cleanup (xfree, name);
error (_("`%s': can't read symbols: %s."), name,
bfd_errmsg (bfd_get_error ()));
}
/* bfd_usrdata exists for applications and libbfd must not touch it. */
gdb_assert (bfd_usrdata (sym_bfd) == NULL);
return sym_bfd;
}
@ -2109,16 +2105,13 @@ generic_load (char *args, int from_tty)
}
/* Open the file for loading. */
loadfile_bfd = bfd_openr (filename, gnutarget);
loadfile_bfd = gdb_bfd_ref (bfd_openr (filename, gnutarget));
if (loadfile_bfd == NULL)
{
perror_with_name (filename);
return;
}
/* FIXME: should be checking for errors from bfd_close (for one thing,
on error it does not free all the storage associated with the
bfd). */
make_cleanup_bfd_close (loadfile_bfd);
if (!bfd_check_format (loadfile_bfd, bfd_object))
@ -2519,14 +2512,10 @@ reread_symbols (void)
to close the descriptor but BFD lacks a way of closing the
BFD without closing the descriptor. */
obfd_filename = bfd_get_filename (objfile->obfd);
if (!bfd_close (objfile->obfd))
error (_("Can't close BFD for %s: %s"), objfile->name,
bfd_errmsg (bfd_get_error ()));
gdb_bfd_unref (objfile->obfd);
objfile->obfd = bfd_open_maybe_remote (obfd_filename);
if (objfile->obfd == NULL)
error (_("Can't open %s to read symbols."), objfile->name);
else
objfile->obfd = gdb_bfd_ref (objfile->obfd);
/* bfd_openr sets cacheable to true, which is what we want. */
if (!bfd_check_format (objfile->obfd, bfd_object))
error (_("Can't read symbols from %s: %s."), objfile->name,

3
gdb/utils.c
View File

@ -27,6 +27,7 @@
#include "exceptions.h"
#include "gdbthread.h"
#include "fnmatch.h"
#include "gdb_bfd.h"
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif /* HAVE_SYS_RESOURCE_H */
@ -198,7 +199,7 @@ make_cleanup_dyn_string_delete (dyn_string_t arg)
static void
do_bfd_close_cleanup (void *arg)
{
bfd_close (arg);
gdb_bfd_unref (arg);
}
struct cleanup *

6
gdb/windows-nat.c
View File

@ -752,7 +752,7 @@ windows_make_so (const char *name, LPVOID load_addr)
asection *text = NULL;
CORE_ADDR text_vma;
abfd = bfd_openr (so->so_name, "pei-i386");
abfd = gdb_bfd_ref (bfd_openr (so->so_name, "pei-i386"));
if (!abfd)
return so;
@ -762,7 +762,7 @@ windows_make_so (const char *name, LPVOID load_addr)
if (!text)
{
bfd_close (abfd);
gdb_bfd_unref (abfd);
return so;
}
@ -773,7 +773,7 @@ windows_make_so (const char *name, LPVOID load_addr)
load_addr + 0x1000);
cygwin_load_end = cygwin_load_start + bfd_section_size (abfd, text);
bfd_close (abfd);
gdb_bfd_unref (abfd);
}
#endif