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authorUlrich Drepper <drepper@redhat.com>2003-09-17 18:23:49 +0000
committerUlrich Drepper <drepper@redhat.com>2003-09-17 18:23:49 +0000
commit06f6ca9019897f5d1799c0ae8d7293ed249c0f97 (patch)
tree9a04e5058de47ce0898cf279205c8e58735efb96 /elf/tst-alignmod.c
parent65af7e61427ce9bbbc0e43b2ad44e5b4678a37fc (diff)
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Update.
2003-09-17  Philip Blundell  <philb@gnu.org>

	* sysdeps/unix/sysv/linux/arm/vfork.S: Branch to fork if
	libpthread is loaded.  Elide backwards compatibility code when not
	required.
Diffstat (limited to 'elf/tst-alignmod.c')
-rw-r--r--elf/tst-alignmod.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/elf/tst-alignmod.c b/elf/tst-alignmod.c
new file mode 100644
index 0000000000..d1305c1a6c
--- /dev/null
+++ b/elf/tst-alignmod.c
@@ -0,0 +1,53 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <stdio.h>
+#include <tst-stack-align.h>
+
+static int res, *resp;
+
+static void __attribute__((constructor))
+con (void)
+{
+  res = TEST_STACK_ALIGN () ? -1 : 1;
+}
+
+void
+in_dso (int *result)
+{
+  if (!res)
+    {
+      puts ("constructor has not been run");
+      *result = 1;
+    }
+  else if (res != 1)
+    {
+      puts ("constructor has been run without sufficient alignment");
+      *result = 1;
+    }
+
+  resp = result;
+}
+
+static void __attribute__((destructor))
+des (void)
+{
+  if (TEST_STACK_ALIGN ())
+    *resp = 1;
+}