about summary refs log tree commit diff
path: root/sysdeps/sh/sh3/__longjmp.S
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/sh/sh3/__longjmp.S')
-rw-r--r--sysdeps/sh/sh3/__longjmp.S44
1 files changed, 44 insertions, 0 deletions
diff --git a/sysdeps/sh/sh3/__longjmp.S b/sysdeps/sh/sh3/__longjmp.S
new file mode 100644
index 0000000000..09f829ae37
--- /dev/null
+++ b/sysdeps/sh/sh3/__longjmp.S
@@ -0,0 +1,44 @@
+/* longjmp for SH.
+   Copyright (C) 1999, 2000 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 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 <sysdep.h>
+#define _SETJMP_H
+#define _ASM
+#include <bits/setjmp.h>
+
+/* __longjmp(jmpbuf, val) */
+
+ENTRY (__longjmp)
+	mov.l	@r4+, r8
+	mov.l	@r4+, r9
+	mov.l	@r4+, r10
+	mov.l	@r4+, r11
+	mov.l	@r4+, r12
+	mov.l	@r4+, r13
+	mov.l	@r4+, r14
+	mov.l	@r4+, r15
+	mov	r5, r0		/* get the return value in place */
+	tst	r0, r0
+	bf.s	1f
+	 lds.l	@r4+, pr
+	mov	#1,r0		/* can't let setjmp() return zero! */
+1:
+	rts
+	 ldc.l	@r4+, gbr
+END (__longjmp)