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authorUlrich Drepper <drepper@redhat.com>2001-07-25 20:47:02 +0000
committerUlrich Drepper <drepper@redhat.com>2001-07-25 20:47:02 +0000
commit48ab1c2ff51c7c4bcd71e1bdaf2c58cdbb560d03 (patch)
treeca38bfbc2ee144805614ab85d96b86115a06d588 /elf/dl-iteratephdr.c
parent39ab0fdf56092ba49786f17b9cbfb50cc7db338f (diff)
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Update.
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.
Diffstat (limited to 'elf/dl-iteratephdr.c')
-rw-r--r--elf/dl-iteratephdr.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/elf/dl-iteratephdr.c b/elf/dl-iteratephdr.c
new file mode 100644
index 0000000..fa62dc7
--- /dev/null
+++ b/elf/dl-iteratephdr.c
@@ -0,0 +1,61 @@
+/* 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