compat_sigsetjmp.S revision 1.1
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 #ifdef PIC 36 #ifdef BIGPIC 37 38 ENTRY(sigsetjmp) 39 PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE 40 set _C_LABEL(setjmp), %o2 ! if (%o1 != 0) goto _setjmp; 41 set _C_LABEL(_setjmp), %o3 ! else goto __setjmp; 42 movrnz %o1, %o2, %o3 43 ldx [%g1+%o3], %g1 44 jmp %g1 45 st %o1,[%o0+0x48] ! jmpbuf[JBLEN] 46 47 48 ENTRY(siglongjmp) 49 PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE 50 ld [%o0 + 0x48],%o2 ! jmpbuf[JBLEN] 51 set _C_LABEL(longjmp), %o3 ! if (%o2 != 0) goto _longjmp; 52 set _C_LABEL(_longjmp), %o4 ! else goto __longjmp; 53 movrnz %o2, %o3, %o4 54 ldx [%g1 + %o4], %g1 55 jmp %g1 56 nop 57 unimp 0 58 59 #else 60 61 ENTRY(sigsetjmp) 62 PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE 63 cmp %o1, 0 64 bne,a 1f 65 ldx [%g1 + _C_LABEL(setjmp)], %g1 ! if (%o1 != 0) goto _setjmp; 66 ldx [%g1 + _C_LABEL(_setjmp)], %g1 ! else goto __setjmp; 67 1: 68 jmp %g1 69 st %o1,[%o0+0x48] ! jmpbuf[JBLEN] 70 71 72 ENTRY(siglongjmp) 73 PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE 74 cmp %o2, 0 75 ld [%o0 + 0x48],%o2 ! jmpbuf[JBLEN] 76 bne,a 1f 77 ldx [%g1 + _C_LABEL(longjmp)], %g1 ! if (%o2 != 0) goto _longjmp; 78 ldx [%g1 + _C_LABEL(_longjmp)], %g1 ! else goto __longjmp; 79 1: 80 jmp %g1 81 nop 82 unimp 0 83 84 #endif /* BIGPIC */ 85 #else /* PIC */ 86 87 ENTRY(sigsetjmp) 88 brz,pt %o1,_C_LABEL(_setjmp) 89 st %o1,[%o0+0x48] ! jmpbuf[JBLEN] 90 ba,a,pt %icc,_C_LABEL(setjmp) 91 nop ! spitfire bug 92 unimp 0 93 94 ENTRY(siglongjmp) 95 ld [%o0 + 0x48], %g1 96 brz,pt %g1, _C_LABEL(_longjmp) 97 nop 98 ba,a,pt %icc, _C_LABEL(longjmp) 99 unimp 0 100 101 #endif /* PIC */ 102
Indexes created Sat Sep 27 22:09:54 GMT 2025