1/*	$NetBSD: compat_sigsetjmp.S,v 1.1 2005/10/16 04:41:34 christos 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#if __PIC__ - 0 >= 2
36
37ENTRY(sigsetjmp)
38	PIC_PROLOGUE(%g1,%o2)		! %g1 = _GLOBAL_OFFSET_TABLE
39	set	_C_LABEL(setjmp), %o2	! if (%o1 != 0) goto _setjmp;
40	set	_C_LABEL(_setjmp), %o3	! else goto __setjmp;
41	movrnz	%o1, %o2, %o3
42	ldx [%g1+%o3], %g1
43	jmp %g1
44	 st	%o1,[%o0+0x48]		! jmpbuf[JBLEN]
45
46
47ENTRY(siglongjmp)
48	PIC_PROLOGUE(%g1,%o2)		! %g1 = _GLOBAL_OFFSET_TABLE
49	ld	[%o0 + 0x48],%o2	! jmpbuf[JBLEN]
50	set	_C_LABEL(longjmp), %o3	! if (%o2 != 0) goto _longjmp;
51	set	_C_LABEL(_longjmp), %o4	! else goto __longjmp;
52	movrnz	%o2, %o3, %o4
53	ldx	[%g1 + %o4], %g1
54	jmp %g1
55	 nop
56	unimp 0
57
58#elif __PIC__ - 0 >= 1
59
60ENTRY(sigsetjmp)
61	PIC_PROLOGUE(%g1,%o2)		! %g1 = _GLOBAL_OFFSET_TABLE
62	cmp	%o1, 0
63	bne,a	1f
64	 ldx	[%g1 + _C_LABEL(setjmp)], %g1	! if (%o1 != 0) goto _setjmp;
65	ldx	[%g1 + _C_LABEL(_setjmp)], %g1	! else goto __setjmp;
661:
67	jmp %g1
68	 st	%o1,[%o0+0x48]		! jmpbuf[JBLEN]
69
70
71ENTRY(siglongjmp)
72	PIC_PROLOGUE(%g1,%o2)		! %g1 = _GLOBAL_OFFSET_TABLE
73	cmp	%o2, 0
74	ld	[%o0 + 0x48],%o2	! jmpbuf[JBLEN]
75	bne,a	1f
76	 ldx	[%g1 + _C_LABEL(longjmp)], %g1	! if (%o2 != 0) goto _longjmp;
77	ldx	[%g1 + _C_LABEL(_longjmp)], %g1	! else goto __longjmp;
781:
79	jmp %g1
80	 nop
81	unimp 0
82
83#else /* !__PIC__ */
84
85ENTRY(sigsetjmp)
86	brz,pt	%o1,_C_LABEL(_setjmp)
87	 st	%o1,[%o0+0x48]		! jmpbuf[JBLEN]
88	ba,a,pt	%icc,_C_LABEL(setjmp)
89	 nop				! spitfire bug
90	unimp 0
91
92ENTRY(siglongjmp)
93	ld	[%o0 + 0x48], %g1
94	brz,pt	%g1, _C_LABEL(_longjmp)
95	 nop
96	ba,a,pt	%icc, _C_LABEL(longjmp)
97	unimp 0
98
99#endif /* !__PIC__ */
100