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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>

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