glibc/elf/dl-iteratephdr.c
Ulrich Drepper e07bb02a4f Update.
2003-09-15  Jakub Jelinek  <jakub@redhat.com>

	* argp/argp.h (argp_parse, __argp_parse): Remove __THROW.
	* argp/Makefile (CFLAGS-argp-help.c, CFLAGS-argp-parse.c): Add
	$(uses-callbacks).
	* dirent/Makefile (CFLAGS-scandir.c, CFLAGS-scandir64.c): Likewise.
	* elf/Makefile (CFLAGS-dl-iterate-phdr.c,
	CFLAGS-dl-iterate-phdr-static.c): Add $(uses-callbacks).
	* elf/dl-iteratephdr.c (cancel_handler): New function.
	(__dl_iterate_phdr): Add __libc_cleanup_{push,pop}.
	* elf/link.h (dl_iterate_phdr): Remove __THROW.
	* io/Makefile (CFLAGS-fts.c): Merge into one assignment.
	Add $(uses-callbacks).
	(CFLAGS-ftw.c, CFLAGS-ftw64.c): Add $(uses-callbacks).
	* misc/Makefile (CFLAGS-tsearch.c, CFLAGS-lsearch.c): Change
	$(exceptions) to $(uses-callbacks).
	* Makeconfig (uses-callbacks): Set to $(exceptions).
	* posix/Makefile (CFLAGS-glob.c, CFLAGS-glob64.c): Add
	$(uses-callbacks).
	* stdlib/Makefile (CFLAGS-bsearch.c, CFLAGS-msort.c, CFLAGS-qsort.c):
	Likewise.
2003-09-16 05:54:09 +00:00

65 lines
1.9 KiB
C

/* Get loaded objects program headers.
Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2001.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <ldsodefs.h>
#include <stddef.h>
#include <bits/libc-lock.h>
static void
cancel_handler (void *arg __attribute__((unused)))
{
__rtld_lock_unlock_recursive (GL(dl_load_lock));
}
int
__dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info,
size_t size, void *data), void *data)
{
struct link_map *l;
struct dl_phdr_info info;
int ret = 0;
/* Make sure we are alone. */
__rtld_lock_lock_recursive (GL(dl_load_lock));
__libc_cleanup_push (cancel_handler, 0);
for (l = GL(dl_loaded); l != NULL; l = l->l_next)
{
info.dlpi_addr = l->l_addr;
info.dlpi_name = l->l_name;
info.dlpi_phdr = l->l_phdr;
info.dlpi_phnum = l->l_phnum;
ret = callback (&info, sizeof (struct dl_phdr_info), data);
if (ret)
break;
}
/* Release the lock. */
__libc_cleanup_pop (0);
__rtld_lock_unlock_recursive (GL(dl_load_lock));
return ret;
}
#ifdef SHARED
weak_alias (__dl_iterate_phdr, dl_iterate_phdr);
#endif