1 /* $NetBSD: sigsetjmp.S,v 1.9 2009/12/14 01:07:42 matt Exp $ */
4 * Copyright (c) 1991, 1993, 1995,
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley by
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #include <sys/syscall.h>
36 #include <mips/regnum.h>
38 #include <machine/setjmp.h>
43 #if defined(LIBC_SCCS) && !defined(lint)
45 RCSID("from: @(#)setjmp.s 8.1 (Berkeley) 6/4/93")
47 RCSID("$NetBSD: sigsetjmp.S,v 1.9 2009/12/14 01:07:42 matt Exp $")
49 #endif /* LIBC_SCCS and not lint */
52 * C library -- sigsetjmp, siglongjmp
55 * will generate a "return(v)" from
57 * sigsetjmp(a, savemask)
58 * by restoring registers from the stack,
59 * and dependent on savemask restores the
64 PIC_PROLOGUE(__sigsetjmp14)
65 REG_S a1, _JBLEN*SZREG(a0) # save "savemask"
66 bne a1, 0x0, 1f # do saving of signal mask?
69 1: PIC_TAILCALL(__setjmp14)
73 PIC_PROLOGUE(__siglongjmp14)
74 REG_L t0, _JBLEN*SZREG(a0) # get "savemask"
75 bne t0, 0x0, 1f # restore signal mask?
76 PIC_TAILCALL(_longjmp)
78 1: PIC_TAILCALL(__longjmp14)