1/*	$NetBSD: sigsetjmp.S,v 1.5 2005/10/15 22:11:22 uwe Exp $	*/
2/*
3 * Copyright (c) 1995 Paul Kranenburg
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 *    must display the following acknowledgement:
16 *      This product includes software developed by Paul Kranenburg.
17 * 4. The name of the author may not be used to endorse or promote products
18 *    derived from this software without specific prior written permission
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 *
31 */
32
33#include "SYS.h"
34
35#ifdef PIC
36
37ENTRY(__sigsetjmp14)
38	PIC_PROLOGUE(%g1, %g2)		! %g1 = _GLOBAL_OFFSET_TABLE
39	tst	%o1
40	bnz	1f
41	 st	%o1, [%o0 + 56]		! jmpbuf[JBLEN] = savemask
42
43	!! if (savemask == 0) goto _setjmp
44	set	_C_LABEL(_setjmp), %g2
45	ld	[%g1 + %g2], %g1
46	jmp %g1
47	 nop
48
49	!! if (savemask != 0) goto setjmp
501:	set	_C_LABEL(__setjmp14), %g2
51	ld	[%g1 + %g2], %g1
52	jmp %g1
53	 nop
54
55
56ENTRY(__siglongjmp14)
57	PIC_PROLOGUE(%g1, %g2)		! %g1 = _GLOBAL_OFFSET_TABLE
58	ld	[%o0 + 56], %g2		! restoremask = jmpbuf[JBLEN]
59	tst	%g2
60	bnz	1f
61	 nop
62
63	!! if (restoremask == 0) goto _longjmp
64	set	_C_LABEL(_longjmp), %g2
65	ld	[%g1 + %g2], %g1
66	jmp %g1
67	 nop
68
69	!! if (restoremask != 0) goto longjmp
701:	set	_C_LABEL(__longjmp14), %g2
71	ld	[%g1 + %g2], %g1
72	jmp %g1
73	 nop
74
75#else /* !PIC */
76
77ENTRY(__sigsetjmp14)
78	cmp %o1,0
79	be _C_LABEL(_setjmp)
80	st %o1,[%o0+56]		! jmpbuf[JBLEN]
81	nop
82	ba,a _C_LABEL(__setjmp14)
83	unimp 0
84
85ENTRY(__siglongjmp14)
86	ld [%o0+56],%g1
87	cmp %g1,0
88	be _C_LABEL(_longjmp)
89	nop
90	ba,a _C_LABEL(__longjmp14)
91	unimp 0
92
93#endif /* !PIC */
94