Retro68/gcc/newlib/libc/sys/linux/dl/dl-iteratephdr.c
Wolfgang Thaller ec13cc9ce7 fix newlib
2018-12-29 09:59:36 +01:00

66 lines
1.8 KiB
C

/* 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