1/* $NetBSD: sigsetjmp.S,v 1.7 2013/09/12 15:36:16 joerg 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(__sigsetjmp14) 38 PIC_PROLOGUE(%g1, %g2) ! %g1 = _GLOBAL_OFFSET_TABLE 39 tst %o1 40 bnz 1f 41 st %o1, [%o0 + 56] ! jmpbuf[JBLEN] = savemask 42 43 !! if (savemask == 0) goto _setjmp 44 set _C_LABEL(_setjmp), %g2 45 ld [%g1 + %g2], %g1 46 jmp %g1 47 nop 48 49 !! if (savemask != 0) goto setjmp 501: set _C_LABEL(__setjmp14), %g2 51 ld [%g1 + %g2], %g1 52 jmp %g1 53 nop 54 55 56ENTRY(__siglongjmp14) 57 PIC_PROLOGUE(%g1, %g2) ! %g1 = _GLOBAL_OFFSET_TABLE 58 ld [%o0 + 56], %g2 ! restoremask = jmpbuf[JBLEN] 59 tst %g2 60 bnz 1f 61 nop 62 63 !! if (restoremask == 0) goto _longjmp 64 set _C_LABEL(_longjmp), %g2 65 ld [%g1 + %g2], %g1 66 jmp %g1 67 nop 68 69 !! if (restoremask != 0) goto longjmp 701: set _C_LABEL(__longjmp14), %g2 71 ld [%g1 + %g2], %g1 72 jmp %g1 73 nop 74 75#else /* !__PIC__ */ 76 77ENTRY(__sigsetjmp14) 78 cmp %o1,0 79 be _C_LABEL(_setjmp) 80 st %o1,[%o0+56] ! jmpbuf[JBLEN] 81 nop 82 ba,a _C_LABEL(__setjmp14) 83 unimp 0 84 85ENTRY(__siglongjmp14) 86 ld [%o0+56],%g1 87 cmp %g1,0 88 be _C_LABEL(_longjmp) 89 nop 90 ba,a _C_LABEL(__longjmp14) 91 unimp 0 92 93#endif /* !__PIC__ */ 94