| /* 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> |
| |
| 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. */ |
| #ifdef HAVE_DD_LOCK |
| __lock_acquire(_dl_load_lock); |
| #endif |
| |
| |
| 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. */ |
| #ifdef HAVE_DD_LOCK |
| __lock_release(_dl_load_lock); |
| #endif |
| |
| |
| return ret; |
| } |
| |
| #ifdef SHARED |
| weak_alias (__dl_iterate_phdr, dl_iterate_phdr); |
| #endif |