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: setjmp.S,v 1.3 1998/10/03 12:30:38 tsubai Exp $ */
28 #include <machine/asm.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/syscall.h>
34 * C library -- setjmp, longjmp
37 * will generate a "return(v?v:1)" from the last call to
39 * by restoring registers from the stack.
40 * The previous signal state is restored.
57 li %r3,1 /* SIG_BLOCK, but doesn't matter */
58 /* since set == NULL */
59 li %r4,0 /* set = NULL */
60 mr %r5,%r6 /* &oset */
62 li %r0, SYS_sigprocmask /*sigprocmask(SIG_BLOCK, NULL, &oset)*/
63 sc /*assume no error XXX */
64 mflr %r11 /* r11 <- link reg */
65 mfcr %r12 /* r12 <- condition reg */
66 mr %r10,%r1 /* r10 <- stackptr */
67 mr %r9,%r2 /* r9 <- global ptr */
71 stfd %f14,112+0*8(%r6)
72 stfd %f15,112+1*8(%r6)
73 stfd %f16,112+2*8(%r6)
74 stfd %f17,112+3*8(%r6)
75 stfd %f18,112+4*8(%r6)
76 stfd %f19,112+5*8(%r6)
77 stfd %f20,112+6*8(%r6)
78 stfd %f21,112+7*8(%r6)
79 stfd %f22,112+8*8(%r6)
80 stfd %f23,112+9*8(%r6)
81 stfd %f24,112+10*8(%r6)
82 stfd %f25,112+11*8(%r6)
83 stfd %f26,112+12*8(%r6)
84 stfd %f27,112+13*8(%r6)
85 stfd %f28,112+14*8(%r6)
86 stfd %f29,112+15*8(%r6)
87 stfd %f30,112+16*8(%r6)
88 stfd %f31,112+17*8(%r6)
90 li %r3,0 /* return (0) */
94 WEAK_REFERENCE(CNAME(__longjmp), longjmp)
96 lmw %r9,20(%r3) /* restore regs */
100 lfd %f15,112+1*8(%r3)
101 lfd %f16,112+2*8(%r3)
102 lfd %f17,112+3*8(%r3)
103 lfd %f18,112+4*8(%r3)
104 lfd %f19,112+5*8(%r3)
105 lfd %f20,112+6*8(%r3)
106 lfd %f21,112+7*8(%r3)
107 lfd %f22,112+8*8(%r3)
108 lfd %f23,112+9*8(%r3)
109 lfd %f24,112+10*8(%r3)
110 lfd %f25,112+11*8(%r3)
111 lfd %f26,112+12*8(%r3)
112 lfd %f27,112+13*8(%r3)
113 lfd %f28,112+14*8(%r3)
114 lfd %f29,112+15*8(%r3)
115 lfd %f30,112+16*8(%r3)
116 lfd %f31,112+17*8(%r3)
118 mr %r6,%r4 /* save val param */
119 mtlr %r11 /* r11 -> link reg */
120 mtcr %r12 /* r12 -> condition reg */
121 mr %r1,%r10 /* r10 -> stackptr */
123 li %r3,3 /* SIG_SETMASK */
124 addi %r4,%r4,4 /* &set */
125 li %r5,0 /* oset = NULL */
126 li %r0,SYS_sigprocmask /* sigprocmask(SIG_SET, &set, NULL) */
127 sc /* assume no error XXX */
134 .section .note.GNU-stack,"",%progbits