1 files changed, 70 insertions, 0 deletions
diff --git a/libc/sysdeps/sh/____longjmp_chk.S b/libc/sysdeps/sh/____longjmp_chk.S
new file mode 100644
index 000000000..2ff4f586e
--- /dev/null
+++ b/libc/sysdeps/sh/____longjmp_chk.S
@@ -0,0 +1,70 @@
+/* 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.  */
+
+	.section .rodata.str1.1,"aMS",@progbits,1
+	.type	longjmp_msg,@object
+longjmp_msg:
+	.string "longjmp causes uninitialized stack frame"
+	.size	longjmp_msg, .-longjmp_msg
+	.text
+
+#define __longjmp ____longjmp_chk
+
+#ifdef PIC
+# define CALL_FAIL \
+	mov.l	.Lfail, r1;				\
+	mov.l	.Lstr, r4;				\
+	mova	.Lgot, r0;				\
+	mov.l	.Lgot, r12;				\
+	add	r0, r12;				\
+	bsrf	r1;					\
+	 add	r12, r4;				\
+.Lfail0:						\
+	bra	0f;					\
+	 nop;						\
+	.align	2;					\
+.Lgot:							\
+	.long	_GLOBAL_OFFSET_TABLE_;			\
+.Lstr:							\
+	.long	longjmp_msg@GOTOFF;			\
+.Lfail:							\
+	.long	__GI___fortify_fail@PLT-(.Lfail0-.);	\
+0:
+#else
+# define CALL_FAIL \
+	mov.l	.Lfail, r1;				\
+	mov.l	.Lstr, r4;				\
+	jsr	@r1;					\
+	 nop;						\
+	bra	0f;					\
+	 nop;						\
+	.align	2;					\
+.Lstr:							\
+	.long	longjmp_msg;				\
+.Lfail:							\
+	.long	__fortify_fail;				\
+0:
+#endif
+
+#define CHECK_SP(reg) \
+	cmp/hs	r15, reg;				\
+	bt	.Lok;					\
+	CALL_FAIL					\
+.Lok:
+
+#include <__longjmp.S>