2 * Copyright (c) 2002 Peter Grehan.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 /* $NetBSD: sigsetjmp.S,v 1.4 1998/10/03 12:30:38 tsubai Exp $ */
28 #include <machine/asm.h>
29 __FBSDID("$FreeBSD$");
32 * C library -- sigsetjmp, siglongjmp
35 * will generate a "return(v?v:1)" from the last call to
36 * sigsetjmp(a, savemask)
37 * by restoring registers from the stack.
38 * The previous signal state is restored if savemask is non-zero
54 #include <sys/syscall.h>
61 li %r3,1 /* SIG_BLOCK, but doesn't matter */
62 /* since set == NULL */
63 li %r4,0 /* set = NULL */
64 mr %r5,%r6 /* &oset */
66 li %r0, SYS_sigprocmask /* sigprocmask(SIG_BLOCK, NULL, &oset)*/
67 sc /* assume no error XXX */
76 stfd %f14,112+0*8(%r6)
77 stfd %f15,112+1*8(%r6)
78 stfd %f16,112+2*8(%r6)
79 stfd %f17,112+3*8(%r6)
80 stfd %f18,112+4*8(%r6)
81 stfd %f19,112+5*8(%r6)
82 stfd %f20,112+6*8(%r6)
83 stfd %f21,112+7*8(%r6)
84 stfd %f22,112+8*8(%r6)
85 stfd %f23,112+9*8(%r6)
86 stfd %f24,112+10*8(%r6)
87 stfd %f25,112+11*8(%r6)
88 stfd %f26,112+12*8(%r6)
89 stfd %f27,112+13*8(%r6)
90 stfd %f28,112+14*8(%r6)
91 stfd %f29,112+15*8(%r6)
92 stfd %f30,112+16*8(%r6)
93 stfd %f31,112+17*8(%r6)
103 lfd %f14,112+0*8(%r3)
104 lfd %f15,112+1*8(%r3)
105 lfd %f16,112+2*8(%r3)
106 lfd %f17,112+3*8(%r3)
107 lfd %f18,112+4*8(%r3)
108 lfd %f19,112+5*8(%r3)
109 lfd %f20,112+6*8(%r3)
110 lfd %f21,112+7*8(%r3)
111 lfd %f22,112+8*8(%r3)
112 lfd %f23,112+9*8(%r3)
113 lfd %f24,112+10*8(%r3)
114 lfd %f25,112+11*8(%r3)
115 lfd %f26,112+12*8(%r3)
116 lfd %f27,112+13*8(%r3)
117 lfd %f28,112+14*8(%r3)
118 lfd %f29,112+15*8(%r3)
119 lfd %f30,112+16*8(%r3)
120 lfd %f31,112+17*8(%r3)
130 li %r3,3 /* SIG_SETMASK */
131 addi %r4,%r4,4 /* &set */
132 li %r5,0 /* oset = NULL */
133 li %r0,SYS_sigprocmask /* sigprocmask(SIG_SET, &set, NULL) */
134 sc /* assume no error XXX */
142 .section .note.GNU-stack,"",%progbits