From 6802033480385c0a60d6f2ab97ab3b54942368d5 Mon Sep 17 00:00:00 2001
From: jtc <jtc@NetBSD.org>
Date: Tue, 19 Oct 1993 20:44:00 +0000
Subject: [PATCH] sigsetjmp() for the i386.

---
 lib/libc/arch/i386/gen/sigsetjmp.S | 88 ++++++++++++++++++++++++++++++
 lib/libc/arch/i386/gen/sigsetjmp.s | 88 ++++++++++++++++++++++++++++++
 2 files changed, 176 insertions(+)
 create mode 100644 lib/libc/arch/i386/gen/sigsetjmp.S
 create mode 100644 lib/libc/arch/i386/gen/sigsetjmp.s

diff --git a/lib/libc/arch/i386/gen/sigsetjmp.S b/lib/libc/arch/i386/gen/sigsetjmp.S
new file mode 100644
index 000000000000..57e78c138de3
--- /dev/null
+++ b/lib/libc/arch/i386/gen/sigsetjmp.S
@@ -0,0 +1,88 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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.
+ *
+ *
+ *	from: @(#)setjmp.s	5.1 (Berkeley) 4/23/90"
+ *	$Id: sigsetjmp.S,v 1.1 1993/10/19 20:44:00 jtc Exp $
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.text
+	.asciz "$Id: sigsetjmp.S,v 1.1 1993/10/19 20:44:00 jtc Exp $"
+#endif /* LIBC_SCCS and not lint */
+
+#include "DEFS.h"
+
+ENTRY(sigsetjmp)
+	movl	8(%esp),%eax
+	movl	4(%esp),%ecx 
+	movl	%eax,24(%ecx)
+	testl	%eax,%eax
+	jz	1f
+	pushl	$0
+	call	_sigblock
+	addl	$4,%esp
+	movl	4(%esp),%ecx 
+	movl	%eax,28(%ecx)
+1:	movl	0(%esp),%edx
+	movl	%edx, 0(%ecx)
+	movl	%ebx, 4(%ecx)
+	movl	%esp, 8(%ecx)
+	movl	%ebp,12(%ecx)
+	movl	%esi,16(%ecx)
+	movl	%edi,20(%ecx)
+	movl	$0,%eax
+	ret
+
+ENTRY(siglongjmp)
+	movl	4(%esp),%edx
+	cmpl	$0,24(%edx)
+	jz	1f
+	pushl	28(%edx)
+	call	_sigsetmask
+	addl	$4,%esp
+1:	movl	4(%esp),%edx
+	movl	8(%esp),%eax
+	movl	0(%edx),%ecx
+	movl	4(%edx),%ebx
+	movl	8(%edx),%esp
+	movl	12(%edx),%ebp
+	movl	16(%edx),%esi
+	movl	20(%edx),%edi
+	cmpl	$0,%eax
+	jne	2f
+	incl	%eax
+2:	movl	%ecx,0(%esp)
+	ret
diff --git a/lib/libc/arch/i386/gen/sigsetjmp.s b/lib/libc/arch/i386/gen/sigsetjmp.s
new file mode 100644
index 000000000000..7e1a8b52bf0f
--- /dev/null
+++ b/lib/libc/arch/i386/gen/sigsetjmp.s
@@ -0,0 +1,88 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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.
+ *
+ *
+ *	from: @(#)setjmp.s	5.1 (Berkeley) 4/23/90"
+ *	$Id: sigsetjmp.s,v 1.1 1993/10/19 20:44:00 jtc Exp $
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.text
+	.asciz "$Id: sigsetjmp.s,v 1.1 1993/10/19 20:44:00 jtc Exp $"
+#endif /* LIBC_SCCS and not lint */
+
+#include "DEFS.h"
+
+ENTRY(sigsetjmp)
+	movl	8(%esp),%eax
+	movl	4(%esp),%ecx 
+	movl	%eax,24(%ecx)
+	testl	%eax,%eax
+	jz	1f
+	pushl	$0
+	call	_sigblock
+	addl	$4,%esp
+	movl	4(%esp),%ecx 
+	movl	%eax,28(%ecx)
+1:	movl	0(%esp),%edx
+	movl	%edx, 0(%ecx)
+	movl	%ebx, 4(%ecx)
+	movl	%esp, 8(%ecx)
+	movl	%ebp,12(%ecx)
+	movl	%esi,16(%ecx)
+	movl	%edi,20(%ecx)
+	movl	$0,%eax
+	ret
+
+ENTRY(siglongjmp)
+	movl	4(%esp),%edx
+	cmpl	$0,24(%edx)
+	jz	1f
+	pushl	28(%edx)
+	call	_sigsetmask
+	addl	$4,%esp
+1:	movl	4(%esp),%edx
+	movl	8(%esp),%eax
+	movl	0(%edx),%ecx
+	movl	4(%edx),%ebx
+	movl	8(%edx),%esp
+	movl	12(%edx),%ebp
+	movl	16(%edx),%esi
+	movl	20(%edx),%edi
+	cmpl	$0,%eax
+	jne	2f
+	incl	%eax
+2:	movl	%ecx,0(%esp)
+	ret