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authorAndreas Schwab <schwab@linux-m68k.org>2009-05-22 08:28:20 -0700
committerUlrich Drepper <drepper@redhat.com>2009-05-22 08:28:20 -0700
commit0323b051be1bee42592e6813064031aacfd6063d (patch)
treeb85d9fb459dcec060171183b6fc92f0b01391391 /sysdeps/powerpc/powerpc32/____longjmp_chk.S
parent1e1dc4e82dd4f31b87440388614c3e4bccdd5f3c (diff)
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Add ___longjmp_chk support for powerpc{32,64}.
Diffstat (limited to 'sysdeps/powerpc/powerpc32/____longjmp_chk.S')
-rw-r--r--sysdeps/powerpc/powerpc32/____longjmp_chk.S37
1 files changed, 37 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/____longjmp_chk.S b/sysdeps/powerpc/powerpc32/____longjmp_chk.S
new file mode 100644
index 0000000000..5c1f648661
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/____longjmp_chk.S
@@ -0,0 +1,37 @@
+/* Copyright (C) 2009 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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 <sysdep.h>
+#include <rtld-global-offsets.h>
+
+	.section .rodata.str1.1,"aMS",@progbits,1
+.LC0:
+	.string "longjmp causes uninitialized stack frame"
+	.text
+
+#define __longjmp ____longjmp_chk
+
+#define CHECK_SP(reg) \
+	cmplw	reg, r1;				\
+	bge+	.Lok;					\
+	lis	r3,.LC0@ha;				\
+	la	r3,.LC0@l(r3);				\
+	bl	HIDDEN_JUMPTARGET (__fortify_fail);	\
+.Lok:
+
+#include <__longjmp-common.S>