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 */
75 std %r10,40 + 1*8(%r6)
76 std %r11,40 + 2*8(%r6)
77 std %r12,40 + 3*8(%r6)
78 std %r13,40 + 4*8(%r6)
79 std %r14,40 + 5*8(%r6)
80 std %r15,40 + 6*8(%r6)
81 std %r16,40 + 7*8(%r6)
82 std %r17,40 + 8*8(%r6)
83 std %r18,40 + 9*8(%r6)
84 std %r19,40 + 10*8(%r6)
85 std %r20,40 + 11*8(%r6)
86 std %r21,40 + 12*8(%r6)
87 std %r22,40 + 13*8(%r6)
88 std %r23,40 + 14*8(%r6)
89 std %r24,40 + 15*8(%r6)
90 std %r25,40 + 16*8(%r6)
91 std %r26,40 + 17*8(%r6)
92 std %r27,40 + 18*8(%r6)
93 std %r28,40 + 19*8(%r6)
94 std %r29,40 + 20*8(%r6)
95 std %r30,40 + 21*8(%r6)
96 std %r31,40 + 22*8(%r6)
103 ld %r10,40 + 1*8(%r3)
104 ld %r11,40 + 2*8(%r3)
105 ld %r12,40 + 3*8(%r3)
106 ld %r14,40 + 5*8(%r3)
107 ld %r15,40 + 6*8(%r3)
108 ld %r16,40 + 7*8(%r3)
109 ld %r17,40 + 8*8(%r3)
110 ld %r18,40 + 9*8(%r3)
111 ld %r19,40 + 10*8(%r3)
112 ld %r20,40 + 11*8(%r3)
113 ld %r21,40 + 12*8(%r3)
114 ld %r22,40 + 13*8(%r3)
115 ld %r23,40 + 14*8(%r3)
116 ld %r24,40 + 15*8(%r3)
117 ld %r25,40 + 16*8(%r3)
118 ld %r26,40 + 17*8(%r3)
119 ld %r27,40 + 18*8(%r3)
120 ld %r28,40 + 19*8(%r3)
121 ld %r29,40 + 20*8(%r3)
122 ld %r30,40 + 21*8(%r3)
123 ld %r31,40 + 22*8(%r3)
134 li %r3,3 /* SIG_SETMASK */
135 addi %r4,%r4,4 /* &set */
136 li %r5,0 /* oset = NULL */
137 li %r0,SYS_sigprocmask /* sigprocmask(SIG_SET, &set, NULL) */
138 sc /* assume no error XXX */
145 .section .note.GNU-stack,"",%progbits