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2001-07-25  Jakub Jelinek  <jakub@redhat.com>

	* elf/Makefile (routines): Add dl-iteratephdr and
	dl-iteratephdr-static.
	(elide-routines.os): Add dl-iteratephdr-static.
	* elf/dl-iteratephdr.c: New file.
	* elf/link.h (struct dl_phdr_info): New definition.
	(dl_iterate_phdr): New prototype.
	* elf/Versions (dl_iterate_phdr): Add at GLIBC_2.2.4.
	* include/link.h (struct dl_phdr_info): New definition.
	(dl_iterate_phdr, __dl_iterate_phdr): New prototypes.
	* sysdeps/generic/dl-iteratephdr-static.c: New file.
	* sysdeps/unix/sysv/linux/ia64/dl-iteratephdr-static.c: New file.

	* hurd/hurdsig.c (_hurdsig_init): Fix incorrect initialization
	of pending signals.
This commit is contained in:
Ulrich Drepper
2001-07-25 20:47:02 +00:00
parent 39ab0fdf56
commit 48ab1c2ff5
7 changed files with 208 additions and 3 deletions
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61
elf/dl-iteratephdr.c Normal file
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/* Get loaded objects program headers.
Copyright (C) 2001 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library 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>
__libc_lock_define (extern, _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. */
__libc_lock_lock (_dl_load_lock);
for (l = _dl_loaded; l != NULL; l = l->l_next)
{
/* Skip the dynamic linker. */
if (l->l_phdr == NULL)
continue;
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_lock_unlock (_dl_load_lock);
return ret;
}
#ifdef SHARED
weak_alias (__dl_iterate_phdr, dl_iterate_phdr);
#endif