1 /* $NetBSD: sigsetjmp.S,v 1.2 1996/10/17 03:08:07 cgd Exp $ */
4 * Copyright (c) 1994, 1995 Carnegie-Mellon University.
7 * Author: Chris G. Demetriou
9 * Permission to use, copy, modify and distribute this software and
10 * its documentation is hereby granted, provided that both the copyright
11 * notice and this permission notice appear in all copies of the
12 * software, derivative works or modified versions, and any portions
13 * thereof, and that both notices appear in supporting documentation.
15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
19 * Carnegie Mellon requests users of this software to return to
21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
22 * School of Computer Science
23 * Carnegie Mellon University
24 * Pittsburgh PA 15213-3890
26 * any improvements or extensions that they make and grant Carnegie the
27 * rights to redistribute these changes.
30 #include <machine/asm.h>
31 __FBSDID("$FreeBSD$");
34 #include <machine/setjmp.h>
37 * C library -- sigsetjmp, siglongjmp
40 * will generate a "return(v)" from
43 * by restoring registers from the stack.
44 * If `mask' is non-zero, the previous signal
45 * state will be restored.
49 add r14=J_SIGMASK,in0 // place to save mask
50 cmp.ne p6,p7=0,in1 // save signal state?
52 st8 [r14]=in1 // save mask value
53 (p6) br.cond.dptk.many setjmp
54 (p7) br.cond.dpnt.many _setjmp
57 WEAK_ALIAS(siglongjmp,__siglongjmp)
58 ENTRY(__siglongjmp, 2)
59 add r14=J_SIGMASK,in0 // address of mask value
63 cmp.ne p6,p7=0,r14 // did we save signals?
64 (p6) br.cond.dptk.many longjmp
65 (p7) br.cond.dpnt.many _longjmp