1/* $NetBSD: compat_sigsetjmp.S,v 1.1 2005/09/15 22:44:58 uwe Exp $ */ 2 3/*- 4 * Copyright (c) 1990 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * William Jolitz. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 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. 21 * 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 32 * SUCH DAMAGE. 33 * 34 * from: @(#)setjmp.s 5.1 (Berkeley) 4/23/90" 35 */ 36 37#include <machine/asm.h> 38#if defined(LIBC_SCCS) 39 RCSID("$NetBSD: compat_sigsetjmp.S,v 1.1 2005/09/15 22:44:58 uwe Exp $") 40#endif 41 42ENTRY(sigsetjmp) 43 mov r4, r0 44 add #4*9, r0 ! &savemask 45 mov.l r5, @r0 46 tst r5, r5 47 bt 1f 48 49 sts.l pr, @-r15 50 mov.l r4, @-r15 51 mov #0, r4 52 mov.l Lsigblock, r0 53#ifdef PIC 54 bsrf r0 55 nop 562: 57#else 58 jsr @r0 59 nop 60#endif 61 mov.l @r15+, r4 62 lds.l @r15+, pr 63 64 mov r4, r1 65 add #4*10, r1 66 mov.l r0, @r1 67 681: 69 add #4*9, r4 70 mov.l r15, @-r4 71 mov.l r14, @-r4 72 mov.l r13, @-r4 73 mov.l r12, @-r4 74 mov.l r11, @-r4 75 mov.l r10, @-r4 76 mov.l r9, @-r4 77 mov.l r8, @-r4 78 sts.l pr, @-r4 79 rts 80 xor r0, r0 81 82 .align 2 83Lsigblock: 84#ifdef PIC 85 .long _C_LABEL(sigblock)-2b 86#else 87 .long _C_LABEL(sigblock) 88#endif 89 90ENTRY(siglongjmp) 91 mov r4, r0 92 add #4*9, r0 93 mov.l @r0, r0 94 tst r0, r0 95 bt 1f 96 97 mov.l r4, @-r15 98 mov.l r5, @-r15 99 mov r4, r0 100 add #4*10, r0 101 mov.l @r0, r4 102 mov.l Lsigsetmask, r0 103#ifdef PIC 104 bsrf r0 105 nop 1062: 107#else 108 jsr @r0 109 nop 110#endif 111 mov.l @r15+, r5 112 mov.l @r15+, r4 113 1141: 115 mov r5, r0 116 lds.l @r4+, pr 117 mov.l @r4+, r8 118 mov.l @r4+, r9 119 mov.l @r4+, r10 120 mov.l @r4+, r11 121 mov.l @r4+, r12 122 mov.l @r4+, r13 123 mov.l @r4+, r14 124 mov.l @r4+, r15 125 tst r0, r0 126 bf .L0 127 add #1, r0 128.L0: 129 rts 130 nop 131 132 .align 2 133Lsigsetmask : 134#ifdef PIC 135 .long _C_LABEL(sigsetmask)-2b 136#else 137 .long _C_LABEL(sigsetmask) 138#endif 139