1/*	$NetBSD: compat_sigsetjmp.S,v 1.3 2014/03/18 18:20:37 riastradh Exp $	*/
2
3/*-
4 * Copyright (c) 1990 The Regents of the University of California.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * the Systems Programming Group of the University of Utah Computer
9 * Science Department.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#include <machine/asm.h>
37
38#if defined(LIBC_SCCS) && !defined(lint)
39#if 0
40	RCSID("from: @(#)_setjmp.s	5.1 (Berkeley) 5/12/90")
41#else
42	RCSID("$NetBSD: compat_sigsetjmp.S,v 1.3 2014/03/18 18:20:37 riastradh Exp $")
43#endif
44#endif /* LIBC_SCCS and not lint */
45
46/*
47 * C library -- sigsetjmp, siglongjmp
48 *
49 *	siglongjmp(a,v)
50 * will generate a "return(v)" from
51 * the last call to
52 *	sigsetjmp(a,m)
53 * by restoring registers from the stack,
54 * The previous signal state is restored if 'm' was non-zero.
55 */
56
57/* grab _JBLEN */
58#include <m68k/setjmp.h>
59
60ENTRY(sigsetjmp)
61	movl	8(%sp),%d1	/* grab the mask */
62	movl	4(%sp),%a0	/* grab the area pointer */
63	movl	%d1,(_JBLEN * 4)(%a0)	/* save at end of area */
64	tstl	%d1
65	bne	dosig
66	jra	PIC_PLT(_C_LABEL(_setjmp))
67dosig:
68	jra	PIC_PLT(_C_LABEL(setjmp))
69END(sigsetjmp)
70
71
72ENTRY(siglongjmp)
73	movl	4(%sp),%a0	/* save area pointer */
74	tstl	(_JBLEN * 4)(%a0) /* check mask... */
75	bne	didsig
76	jra	PIC_PLT(_C_LABEL(_longjmp))
77didsig:
78	jra	PIC_PLT(_C_LABEL(longjmp))
79END(siglongjmp)
80