compat_sigsetjmp.S revision 1.2
1 1.2 uwe /* $NetBSD: compat_sigsetjmp.S,v 1.2 2007/10/08 13:06:00 uwe Exp $ */ 2 1.1 uwe /* 3 1.1 uwe * Copyright (c) 1995 Paul Kranenburg 4 1.1 uwe * All rights reserved. 5 1.1 uwe * 6 1.1 uwe * Redistribution and use in source and binary forms, with or without 7 1.1 uwe * modification, are permitted provided that the following conditions 8 1.1 uwe * are met: 9 1.1 uwe * 1. Redistributions of source code must retain the above copyright 10 1.1 uwe * notice, this list of conditions and the following disclaimer. 11 1.1 uwe * 2. Redistributions in binary form must reproduce the above copyright 12 1.1 uwe * notice, this list of conditions and the following disclaimer in the 13 1.1 uwe * documentation and/or other materials provided with the distribution. 14 1.1 uwe * 3. All advertising materials mentioning features or use of this software 15 1.1 uwe * must display the following acknowledgement: 16 1.1 uwe * This product includes software developed by Paul Kranenburg. 17 1.1 uwe * 4. The name of the author may not be used to endorse or promote products 18 1.1 uwe * derived from this software without specific prior written permission 19 1.1 uwe * 20 1.1 uwe * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 1.1 uwe * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 1.1 uwe * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 1.1 uwe * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 1.1 uwe * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 1.1 uwe * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 1.1 uwe * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 1.1 uwe * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 1.1 uwe * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 1.1 uwe * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 1.1 uwe * 31 1.1 uwe */ 32 1.1 uwe 33 1.1 uwe #include "SYS.h" 34 1.1 uwe 35 1.1 uwe #ifdef PIC 36 1.1 uwe 37 1.1 uwe ENTRY(sigsetjmp) 38 1.2 uwe PIC_PROLOGUE(%g1, %g2) ! %g1 = _GLOBAL_OFFSET_TABLE 39 1.2 uwe tst %o1 40 1.2 uwe bnz 1f 41 1.2 uwe st %o1, [%o0 + 56] ! jmpbuf[JBLEN] = savemask 42 1.2 uwe 43 1.2 uwe !! if (savemask == 0) goto _setjmp 44 1.2 uwe set _C_LABEL(_setjmp), %g2 45 1.2 uwe ld [%g1 + %g2], %g1 46 1.2 uwe jmp %g1 47 1.2 uwe nop 48 1.2 uwe 49 1.2 uwe !! if (savemask != 0) goto setjmp 50 1.2 uwe 1: set _C_LABEL(setjmp), %g2 51 1.2 uwe ld [%g1 + %g2], %g1 52 1.1 uwe jmp %g1 53 1.2 uwe nop 54 1.2 uwe 55 1.1 uwe 56 1.1 uwe ENTRY(siglongjmp) 57 1.2 uwe PIC_PROLOGUE(%g1, %g2) ! %g1 = _GLOBAL_OFFSET_TABLE 58 1.2 uwe ld [%o0 + 56], %g2 ! restoremask = jmpbuf[JBLEN] 59 1.2 uwe tst %g2 60 1.2 uwe bnz 1f 61 1.2 uwe nop 62 1.2 uwe 63 1.2 uwe !! if (restoremask == 0) goto _longjmp 64 1.2 uwe set _C_LABEL(_longjmp), %g2 65 1.2 uwe ld [%g1 + %g2], %g1 66 1.2 uwe jmp %g1 67 1.2 uwe nop 68 1.2 uwe 69 1.2 uwe !! if (restoremask != 0) goto longjmp 70 1.2 uwe 1: set _C_LABEL(longjmp), %g2 71 1.2 uwe ld [%g1 + %g2], %g1 72 1.1 uwe jmp %g1 73 1.2 uwe nop 74 1.1 uwe 75 1.2 uwe #else /* !PIC */ 76 1.1 uwe 77 1.1 uwe ENTRY(sigsetjmp) 78 1.1 uwe cmp %o1,0 79 1.1 uwe be _C_LABEL(_setjmp) 80 1.1 uwe st %o1,[%o0+40] ! jmpbuf[JBLEN] 81 1.1 uwe nop 82 1.1 uwe ba,a _C_LABEL(setjmp) 83 1.1 uwe unimp 0 84 1.1 uwe 85 1.1 uwe ENTRY(siglongjmp) 86 1.1 uwe ld [%o0+40],%g1 87 1.1 uwe cmp %g1,0 88 1.1 uwe be _C_LABEL(_longjmp) 89 1.1 uwe nop 90 1.1 uwe ba,a _C_LABEL(longjmp) 91 1.1 uwe unimp 0 92 1.1 uwe 93 1.2 uwe #endif /* !PIC */ 94
Indexes created Thu Oct 02 14:10:14 GMT 2025