setjmp.S revision 1.1
1 /* $NetBSD: setjmp.S,v 1.1 2018/08/16 18:17:47 jmcneill Exp $ */ 2 3 /* 4 * Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved. 5 * This program and the accompanying materials are licensed and made 6 available 7 * under the terms and conditions of the BSD License which accompanies 8 this 9 * distribution. The full text of the license may be found at 10 * http://opensource.org/licenses/bsd-license.php. 11 * 12 * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" 13 BASIS, 14 * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR 15 * IMPLIED. 16 */ 17 .text 18 .p2align 3 19 20 #define GPR_LAYOUT \ 21 REG_PAIR (x19, x20, 0); \ 22 REG_PAIR (x21, x22, 16); \ 23 REG_PAIR (x23, x24, 32); \ 24 REG_PAIR (x25, x26, 48); \ 25 REG_PAIR (x27, x28, 64); \ 26 REG_PAIR (x29, x30, 80); \ 27 REG_ONE (x16, 96) 28 29 #define FPR_LAYOUT \ 30 REG_PAIR(d8, d9, 112); \ 31 REG_PAIR(d10, d11, 128); \ 32 REG_PAIR(d12, d13, 144); \ 33 REG_PAIR(d14, d15, 160); 34 35 #define REG_PAIR(REG1, REG2, OFFS) stp REG1, REG2, [x0, OFFS] 36 #define REG_ONE(REG1, OFFS) str REG1, [x0, OFFS] 37 38 .globl setjmp 39 .type setjmp, @function 40 setjmp: 41 mov x16, sp 42 GPR_LAYOUT 43 FPR_LAYOUT 44 mov w0, #0 45 ret 46 47 #undef REG_PAIR 48 #undef REG_ONE 49 50 #define REG_PAIR(REG1, REG2, OFFS) ldp REG1, REG2, [x0, OFFS] 51 #define REG_ONE(REG1, OFFS) ldr REG1, [x0, OFFS] 52 53 .globl longjmp 54 .type longjmp, @function 55 longjmp: 56 GPR_LAYOUT 57 FPR_LAYOUT 58 mov sp, x16 59 cmp w1, #0 60 mov w0, #1 61 csel w0, w1, w0, ne 62 br x30 63
Indexes created Fri Oct 03 02:09:57 GMT 2025