summary refs log tree commit diff
path: root/sysdeps/sh/bsd-_setjmp.S
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/sh/bsd-_setjmp.S')
-rw-r--r--sysdeps/sh/bsd-_setjmp.S51
1 files changed, 51 insertions, 0 deletions
diff --git a/sysdeps/sh/bsd-_setjmp.S b/sysdeps/sh/bsd-_setjmp.S
new file mode 100644
index 0000000000..d787cd23d7
--- /dev/null
+++ b/sysdeps/sh/bsd-_setjmp.S
@@ -0,0 +1,51 @@
+/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'.  SH version.
+   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.  */
+
+/* This just does a tail-call to `__sigsetjmp (ARG, 0)'.
+   We cannot do it in C because it must be a tail-call, so frame-unwinding
+   in setjmp doesn't clobber the state restored by longjmp.  */
+
+#include <sysdep.h>
+
+ENTRY (_setjmp)
+#ifdef SHARED
+	mova	1f, r0
+	mov.l	1f, r1
+	bra	2f
+	 add	r1, r0
+	.align	2
+1:
+	.long	_GLOBAL_OFFSET_TABLE_
+2:
+	mov.l	3f, r1
+	mov.l	@(r0,r1), r1
+	jmp	@r1
+	 mov	#0, r0
+	.align	2
+3:
+	.long	C_SYMBOL_NAME(__sigsetjmp@GOT)
+#else
+	mov.l	1f, r1
+	jmp	@r1
+	 mov	#0, r0
+	.align	2
+1:
+	.long	C_SYMBOL_NAME(__sigsetjmp)
+#endif
+END (_setjmp)