/* Get loaded objects program headers.
|
/* Get loaded objects program headers.
|
Copyright (C) 2001 Free Software Foundation, Inc.
|
Copyright (C) 2001 Free Software Foundation, Inc.
|
This file is part of the GNU C Library.
|
This file is part of the GNU C Library.
|
Contributed by Jakub Jelinek <jakub@redhat.com>, 2001.
|
Contributed by Jakub Jelinek <jakub@redhat.com>, 2001.
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
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
|
modify it under the terms of the GNU Library General Public License as
|
published by the Free Software Foundation; either version 2 of the
|
published by the Free Software Foundation; either version 2 of the
|
License, or (at your option) any later version.
|
License, or (at your option) any later version.
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
The GNU C Library is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
Library General Public License for more details.
|
Library General Public License for more details.
|
|
|
You should have received a copy of the GNU Library General Public
|
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,
|
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,
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
Boston, MA 02111-1307, USA. */
|
Boston, MA 02111-1307, USA. */
|
|
|
#include <errno.h>
|
#include <errno.h>
|
#include <ldsodefs.h>
|
#include <ldsodefs.h>
|
#include <stddef.h>
|
#include <stddef.h>
|
#include <bits/libc-lock.h>
|
#include <bits/libc-lock.h>
|
|
|
int
|
int
|
__dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info,
|
__dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info,
|
size_t size, void *data), void *data)
|
size_t size, void *data), void *data)
|
{
|
{
|
struct link_map *l;
|
struct link_map *l;
|
struct dl_phdr_info info;
|
struct dl_phdr_info info;
|
int ret = 0;
|
int ret = 0;
|
|
|
/* Make sure we are alone. */
|
/* Make sure we are alone. */
|
#ifdef HAVE_DD_LOCK
|
#ifdef HAVE_DD_LOCK
|
__lock_acquire(_dl_load_lock);
|
__lock_acquire(_dl_load_lock);
|
#endif
|
#endif
|
|
|
|
|
for (l = _dl_loaded; l != NULL; l = l->l_next)
|
for (l = _dl_loaded; l != NULL; l = l->l_next)
|
{
|
{
|
/* Skip the dynamic linker. */
|
/* Skip the dynamic linker. */
|
if (l->l_phdr == NULL)
|
if (l->l_phdr == NULL)
|
continue;
|
continue;
|
info.dlpi_addr = l->l_addr;
|
info.dlpi_addr = l->l_addr;
|
info.dlpi_name = l->l_name;
|
info.dlpi_name = l->l_name;
|
info.dlpi_phdr = l->l_phdr;
|
info.dlpi_phdr = l->l_phdr;
|
info.dlpi_phnum = l->l_phnum;
|
info.dlpi_phnum = l->l_phnum;
|
ret = callback (&info, sizeof (struct dl_phdr_info), data);
|
ret = callback (&info, sizeof (struct dl_phdr_info), data);
|
if (ret)
|
if (ret)
|
break;
|
break;
|
}
|
}
|
|
|
/* Release the lock. */
|
/* Release the lock. */
|
#ifdef HAVE_DD_LOCK
|
#ifdef HAVE_DD_LOCK
|
__lock_release(_dl_load_lock);
|
__lock_release(_dl_load_lock);
|
#endif
|
#endif
|
|
|
|
|
return ret;
|
return ret;
|
}
|
}
|
|
|
#ifdef SHARED
|
#ifdef SHARED
|
weak_alias (__dl_iterate_phdr, dl_iterate_phdr);
|
weak_alias (__dl_iterate_phdr, dl_iterate_phdr);
|
#endif
|
#endif
|
|
|
