1/* $NetBSD: compat_sigsetjmp.S,v 1.1 2005/10/16 04:41:34 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#if __PIC__ - 0 >= 2 36 37ENTRY(sigsetjmp) 38 PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE 39 set _C_LABEL(setjmp), %o2 ! if (%o1 != 0) goto _setjmp; 40 set _C_LABEL(_setjmp), %o3 ! else goto __setjmp; 41 movrnz %o1, %o2, %o3 42 ldx [%g1+%o3], %g1 43 jmp %g1 44 st %o1,[%o0+0x48] ! jmpbuf[JBLEN] 45 46 47ENTRY(siglongjmp) 48 PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE 49 ld [%o0 + 0x48],%o2 ! jmpbuf[JBLEN] 50 set _C_LABEL(longjmp), %o3 ! if (%o2 != 0) goto _longjmp; 51 set _C_LABEL(_longjmp), %o4 ! else goto __longjmp; 52 movrnz %o2, %o3, %o4 53 ldx [%g1 + %o4], %g1 54 jmp %g1 55 nop 56 unimp 0 57 58#elif __PIC__ - 0 >= 1 59 60ENTRY(sigsetjmp) 61 PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE 62 cmp %o1, 0 63 bne,a 1f 64 ldx [%g1 + _C_LABEL(setjmp)], %g1 ! if (%o1 != 0) goto _setjmp; 65 ldx [%g1 + _C_LABEL(_setjmp)], %g1 ! else goto __setjmp; 661: 67 jmp %g1 68 st %o1,[%o0+0x48] ! jmpbuf[JBLEN] 69 70 71ENTRY(siglongjmp) 72 PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE 73 cmp %o2, 0 74 ld [%o0 + 0x48],%o2 ! jmpbuf[JBLEN] 75 bne,a 1f 76 ldx [%g1 + _C_LABEL(longjmp)], %g1 ! if (%o2 != 0) goto _longjmp; 77 ldx [%g1 + _C_LABEL(_longjmp)], %g1 ! else goto __longjmp; 781: 79 jmp %g1 80 nop 81 unimp 0 82 83#else /* !__PIC__ */ 84 85ENTRY(sigsetjmp) 86 brz,pt %o1,_C_LABEL(_setjmp) 87 st %o1,[%o0+0x48] ! jmpbuf[JBLEN] 88 ba,a,pt %icc,_C_LABEL(setjmp) 89 nop ! spitfire bug 90 unimp 0 91 92ENTRY(siglongjmp) 93 ld [%o0 + 0x48], %g1 94 brz,pt %g1, _C_LABEL(_longjmp) 95 nop 96 ba,a,pt %icc, _C_LABEL(longjmp) 97 unimp 0 98 99#endif /* !__PIC__ */ 100