1/* $OpenBSD: sigsetjmp.S,v 1.7 2005/08/07 11:30:38 espie Exp $ */
2/*-
3 * Copyright (c) 1990 The Regents of the University of California.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * William Jolitz.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include <private/bionic_asm.h>
35
36ENTRY(sigsetjmp)
37	movl	4(%esp),%ecx
38	movl	8(%esp),%eax
39	movl	%eax,28(%ecx)
40	testl	%eax,%eax
41	jz	1f
42
43	PIC_PROLOGUE
44	pushl	$0
45	call	PIC_PLT(sigblock)
46	addl	$4,%esp
47	PIC_EPILOGUE
48
49	movl	4(%esp),%ecx
50	movl	%eax,24(%ecx)
511:	movl	0(%esp),%edx
52	movl	%edx, 0(%ecx)
53	movl	%ebx, 4(%ecx)
54	movl	%esp, 8(%ecx)
55	movl	%ebp,12(%ecx)
56	movl	%esi,16(%ecx)
57	movl	%edi,20(%ecx)
58	xorl	%eax,%eax
59	ret
60END(sigsetjmp)
61
62ENTRY(siglongjmp)
63	movl	4(%esp),%edx
64	cmpl	$0,28(%edx)
65	jz	1f
66
67	PIC_PROLOGUE
68	pushl	24(%edx)
69	call	PIC_PLT(sigsetmask)
70	addl	$4,%esp
71	PIC_EPILOGUE
72
731:	movl	4(%esp),%edx
74	movl	8(%esp),%eax
75	movl	0(%edx),%ecx
76	movl	4(%edx),%ebx
77	movl	8(%edx),%esp
78	movl	12(%edx),%ebp
79	movl	16(%edx),%esi
80	movl	20(%edx),%edi
81	testl	%eax,%eax
82	jnz	2f
83	incl	%eax
842:	movl	%ecx,0(%esp)
85	ret
86END(siglongjmp)
87