From: deraadt <deraadt@openbsd.org>
Date: Thu, 14 Dec 1995 02:25:32 +0000 (+0000)
Subject: from netbsd; sigsetjmp/siglongjmp was missing. Code fix by Arne H. Juul.
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=1c55c93971ba5c447af5a4091cab7023f4662e9f;p=openbsd

from netbsd; sigsetjmp/siglongjmp was missing. Code fix by Arne H. Juul.
---

diff --git a/lib/libc/arch/vax/gen/Makefile.inc b/lib/libc/arch/vax/gen/Makefile.inc
index 9be4a93fec1..4df9731d235 100644
--- a/lib/libc/arch/vax/gen/Makefile.inc
+++ b/lib/libc/arch/vax/gen/Makefile.inc
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile.inc,v 1.1 1995/04/17 12:23:36 ragge Exp $
+#	$NetBSD: Makefile.inc,v 1.2 1995/12/09 13:26:43 ragge Exp $
 
 SRCS+=	_setjmp.S fabs.S frexp.c infinity.c isinf.c ldexp.S \
-	modf.S setjmp.S udiv.S urem.S alloca.S
+	modf.S setjmp.S udiv.S urem.S alloca.S sigsetjmp.S
diff --git a/lib/libc/arch/vax/gen/sigsetjmp.S b/lib/libc/arch/vax/gen/sigsetjmp.S
new file mode 100644
index 00000000000..c356df9f05a
--- /dev/null
+++ b/lib/libc/arch/vax/gen/sigsetjmp.S
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 1983, 1993, 1995
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.asciz "$NetBSD: sigsetjmp.S,v 1.1 1995/12/09 13:26:46 ragge Exp $"
+#endif /* LIBC_SCCS and not lint */
+
+/*
+ * C library -- sigsetjmp, siglongjmp
+ *
+ *      siglongjmp(a,v)
+ * will generate a "return(v)" from
+ * the last call to
+ *      sigsetjmp(a, savemask)
+ * by restoring registers from the stack,
+ * and dependent on savemask restores the
+ * signal mask.
+ */
+
+#include "DEFS.h"
+#include <machine/setjmp.h>
+
+ENTRY(sigsetjmp, R6)
+	movl	4(ap),r0		# get env pointer
+	movl	8(ap),(_JBLEN*4)(r0)	# save "savemask"
+	tstl	8(ap)			# do saving of signal mask?
+	beql	L1
+	jmp	_setjmp+2		# yep, do full setjmp
+L1:	jmp	__setjmp+2		# nope, skip to _setjmp
+
+ENTRY(siglongjmp, 0)
+	movl	4(ap),r0		# get env pointer
+	tstl	(_JBLEN*4)(r0)		# test if "savemask" was set
+	beql	L2
+	jmp	_longjmp+2		# yep, do full longjmp
+L2:	jmp	__longjmp+2		# nope, skip to _longjmp
+
+