| /* |
| * CDDL HEADER START |
| * |
| * The contents of this file are subject to the terms of the |
| * Common Development and Distribution License (the "License"). |
| * You may not use this file except in compliance with the License. |
| * |
| * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
| * or http://www.opensolaris.org/os/licensing. |
| * See the License for the specific language governing permissions |
| * and limitations under the License. |
| * |
| * When distributing Covered Code, include this CDDL HEADER in each |
| * file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
| * If applicable, add the following below this CDDL HEADER, with the |
| * fields enclosed by brackets "[]" replaced with your own identifying |
| * information: Portions Copyright [yyyy] [name of copyright owner] |
| * |
| * CDDL HEADER END |
| */ |
| |
| /* |
| * Copyright (c) 1992, 2010, Oracle and/or its affiliates. All rights reserved. |
| */ |
| |
| |
| #define ENTRY(x) \ |
| .text; \ |
| .align 8; \ |
| .globl x; \ |
| .type x, @function; \ |
| x: |
| |
| #define SET_SIZE(x) \ |
| .size x, [.-x] |
| |
| |
| /* |
| * Setjmp and longjmp implement non-local gotos using state vectors |
| * type label_t. |
| */ |
| #ifdef __x86_64__ |
| |
| ENTRY(setjmp) |
| movq %rsp, 0(%rdi) |
| movq %rbp, 8(%rdi) |
| movq %rbx, 16(%rdi) |
| movq %r12, 24(%rdi) |
| movq %r13, 32(%rdi) |
| movq %r14, 40(%rdi) |
| movq %r15, 48(%rdi) |
| movq 0(%rsp), %rdx /* return address */ |
| movq %rdx, 56(%rdi) /* rip */ |
| xorl %eax, %eax /* return 0 */ |
| ret |
| SET_SIZE(setjmp) |
| |
| ENTRY(longjmp) |
| movq 0(%rdi), %rsp |
| movq 8(%rdi), %rbp |
| movq 16(%rdi), %rbx |
| movq 24(%rdi), %r12 |
| movq 32(%rdi), %r13 |
| movq 40(%rdi), %r14 |
| movq 48(%rdi), %r15 |
| movq 56(%rdi), %rdx /* return address */ |
| movq %rdx, 0(%rsp) |
| xorl %eax, %eax |
| incl %eax /* return 1 */ |
| ret |
| SET_SIZE(longjmp) |
| |
| #ifdef __ELF__ |
| .section .note.GNU-stack,"",%progbits |
| #endif |
| |
| #endif /* __x86_64__ */ |
