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e07bb02a4f
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.
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/* Get loaded objects program headers.
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Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Jakub Jelinek <jakub@redhat.com>, 2001.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <ldsodefs.h>
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#include <stddef.h>
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#include <bits/libc-lock.h>
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static void
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cancel_handler (void *arg __attribute__((unused)))
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{
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__rtld_lock_unlock_recursive (GL(dl_load_lock));
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}
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int
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__dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info,
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size_t size, void *data), void *data)
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{
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struct link_map *l;
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struct dl_phdr_info info;
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int ret = 0;
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/* Make sure we are alone. */
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__rtld_lock_lock_recursive (GL(dl_load_lock));
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__libc_cleanup_push (cancel_handler, 0);
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for (l = GL(dl_loaded); l != NULL; l = l->l_next)
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{
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info.dlpi_addr = l->l_addr;
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info.dlpi_name = l->l_name;
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info.dlpi_phdr = l->l_phdr;
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info.dlpi_phnum = l->l_phnum;
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ret = callback (&info, sizeof (struct dl_phdr_info), data);
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if (ret)
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break;
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}
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/* Release the lock. */
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__libc_cleanup_pop (0);
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__rtld_lock_unlock_recursive (GL(dl_load_lock));
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return ret;
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}
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#ifdef SHARED
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weak_alias (__dl_iterate_phdr, dl_iterate_phdr);
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#endif
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