sigsetjmp.S revision 1.10.10.1
1 /* $NetBSD: sigsetjmp.S,v 1.10.10.1 2014/08/20 00:02:12 tls 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 /* 36 * We use the sc_npc field inside the sigcontext to store the save mask 37 */ 38 #define MASK_OFFSET 0x68 39 40 #if __PIC__ - 0 >= 2 41 42 ENTRY(__sigsetjmp14) 43 PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE 44 st %o1,[%o0+MASK_OFFSET] ! end of jmpbuf 45 sethi %hi(_C_LABEL(__setjmp14)), %o2 46 sethi %hi(_C_LABEL(_setjmp)), %o3 47 or %o2, %lo(_C_LABEL(__setjmp14)), %o2 48 or %o3, %lo(_C_LABEL(_setjmp)), %o3 49 brz %o1, 1f 50 ldx [%g1+%o3], %o3 ! if (%o1 == 0) goto _setjmp; 51 ldx [%g1+%o2], %o3 ! else goto __setjmp; 52 1: 53 jmp %o3 54 nop 55 56 ENTRY(__siglongjmp14) 57 PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE 58 ld [%o0+MASK_OFFSET], %o2 ! end of jmpbuf 59 sethi %hi(_C_LABEL(__longjmp14)), %o3 60 sethi %hi(_C_LABEL(_longjmp)), %o4 61 or %o3, %lo(_C_LABEL(__longjmp14)), %o3 62 or %o4, %lo(_C_LABEL(_longjmp)), %o4 63 brz,a %o2, 1f 64 ldx [%g1+%o4], %o4 ! if (%o2 == 0) goto _longjmp; 65 ldx [%g1+%o3], %o4 ! else goto __longjmp; 66 1: 67 jmp %o4 68 nop 69 unimp 0 70 71 #elif __PIC__ - 0 >= 1 72 73 ENTRY(__sigsetjmp14) 74 PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE 75 cmp %o1,0 76 st %o1,[%o0+MASK_OFFSET] ! end of jmpbuf 77 bne,a 1f 78 ldx [%g1+_C_LABEL(__setjmp14)], %g1 ! if (%o1 != 0) goto __setjmp; 79 ldx [%g1+_C_LABEL(_setjmp)], %g1 ! else goto _setjmp; 80 1: 81 jmp %g1 82 nop 83 84 ENTRY(__siglongjmp14) 85 PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE 86 ld [%o0+MASK_OFFSET],%o2 ! end of jmpbuf 87 cmp %o2,0 88 bne,a 1f 89 ldx [%g1+_C_LABEL(__longjmp14)], %g1 ! if (%o2 != 0) goto __longjmp; 90 ldx [%g1+_C_LABEL(_longjmp)], %g1 ! else goto _longjmp; 91 1: 92 jmp %g1 93 nop 94 unimp 0 95 96 #else /* !__PIC__ */ 97 98 ENTRY(__sigsetjmp14) 99 cmp %o1,0 100 be _C_LABEL(_setjmp) 101 st %o1,[%o0+MASK_OFFSET] ! end of jmpbuf 102 ba,a _C_LABEL(__setjmp14) 103 unimp 0 104 105 ENTRY(__siglongjmp14) 106 ld [%o0+MASK_OFFSET],%g1 107 cmp %g1,0 108 be _C_LABEL(_longjmp) 109 nop 110 ba,a _C_LABEL(__longjmp14) 111 unimp 0 112 113 #endif /* !__PIC__ */ 114
Indexes created Fri Oct 03 02:09:57 GMT 2025