1/* $NetBSD: sigsetjmp.S,v 1.4 1998/09/29 05:55:49 christos Exp $ */ 2/* 3 * Copyright (c) 1995 Paul Kranenburg 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Paul Kranenburg. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * 31 */ 32 33#include "SYS.h" 34 35#ifdef PIC 36 37ENTRY(sigsetjmp) 38 PIC_PROLOGUE(%g1,%g2) ! %g1 = _GLOBAL_OFFSET_TABLE 39 cmp %o1,0 40 st %o1,[%o0+40] ! jmpbuf[JBLEN] 41 bne,a 1f 42 ld [%g1+_C_LABEL(setjmp)], %g1 ! if (%o1 != 0) goto _setjmp; 43 ld [%g1+_C_LABEL(_setjmp)], %g1 ! else goto __setjmp; 441: 45 jmp %g1 46 nop 47 48ENTRY(siglongjmp) 49 PIC_PROLOGUE(%g1,%g2) ! %g1 = _GLOBAL_OFFSET_TABLE 50 ld [%o0+40],%g2 ! jmpbuf[JBLEN] 51 cmp %g2,0 52 bne,a 1f 53 ld [%g1+_C_LABEL(longjmp)], %g1 ! if (%g2 != 0) goto _longjmp; 54 ld [%g1+_C_LABEL(_longjmp)], %g1 ! else goto __longjmp; 551: 56 jmp %g1 57 nop 58 unimp 0 59 60#else /* PIC */ 61 62ENTRY(sigsetjmp) 63 cmp %o1,0 64 be _C_LABEL(_setjmp) 65 st %o1,[%o0+40] ! jmpbuf[JBLEN] 66 nop 67 ba,a _C_LABEL(setjmp) 68 unimp 0 69 70ENTRY(siglongjmp) 71 ld [%o0+40],%g1 72 cmp %g1,0 73 be _C_LABEL(_longjmp) 74 nop 75 ba,a _C_LABEL(longjmp) 76 unimp 0 77 78#endif /* PIC */ 79