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 */
34 #include <private/bionic_asm.h>
36 ENTRY(sigsetjmp)
37 movl 4(%esp),%ecx
38 movl 8(%esp),%eax
39 movl %eax,28(%ecx)
40 testl %eax,%eax
41 jz 1f
43 PIC_PROLOGUE
44 pushl $0
45 call PIC_PLT(sigblock)
46 addl $4,%esp
47 PIC_EPILOGUE
49 movl 4(%esp),%ecx
50 movl %eax,24(%ecx)
51 1: 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
60 END(sigsetjmp)
62 ENTRY(siglongjmp)
63 movl 4(%esp),%edx
64 cmpl $0,28(%edx)
65 jz 1f
67 PIC_PROLOGUE
68 pushl 24(%edx)
69 call PIC_PLT(sigsetmask)
70 addl $4,%esp
71 PIC_EPILOGUE
73 1: 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
84 2: movl %ecx,0(%esp)
85 ret
86 END(siglongjmp)