1eda14cbcSMatt Macy/* 2eda14cbcSMatt Macy * CDDL HEADER START 3eda14cbcSMatt Macy * 4eda14cbcSMatt Macy * The contents of this file are subject to the terms of the 5eda14cbcSMatt Macy * Common Development and Distribution License (the "License"). 6eda14cbcSMatt Macy * You may not use this file except in compliance with the License. 7eda14cbcSMatt Macy * 8eda14cbcSMatt Macy * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9271171e0SMartin Matuska * or https://opensource.org/licenses/CDDL-1.0. 10eda14cbcSMatt Macy * See the License for the specific language governing permissions 11eda14cbcSMatt Macy * and limitations under the License. 12eda14cbcSMatt Macy * 13eda14cbcSMatt Macy * When distributing Covered Code, include this CDDL HEADER in each 14eda14cbcSMatt Macy * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15eda14cbcSMatt Macy * If applicable, add the following below this CDDL HEADER, with the 16eda14cbcSMatt Macy * fields enclosed by brackets "[]" replaced with your own identifying 17eda14cbcSMatt Macy * information: Portions Copyright [yyyy] [name of copyright owner] 18eda14cbcSMatt Macy * 19eda14cbcSMatt Macy * CDDL HEADER END 20eda14cbcSMatt Macy */ 21eda14cbcSMatt Macy 22eda14cbcSMatt Macy/* 23eda14cbcSMatt Macy * Copyright (c) 1992, 2010, Oracle and/or its affiliates. All rights reserved. 24eda14cbcSMatt Macy */ 25eda14cbcSMatt Macy 26dbd5678dSMartin Matuska#if defined(_KERNEL) && defined(__linux__) 27dbd5678dSMartin Matuska#include <linux/linkage.h> 28dbd5678dSMartin Matuska#endif 29eda14cbcSMatt Macy 30eda14cbcSMatt Macy/* 31eda14cbcSMatt Macy * Setjmp and longjmp implement non-local gotos using state vectors 32eda14cbcSMatt Macy * type label_t. 33eda14cbcSMatt Macy */ 34eda14cbcSMatt Macy#ifdef __x86_64__ 35eda14cbcSMatt Macy 36*15f0b8c3SMartin Matuska#define _ASM 37*15f0b8c3SMartin Matuska#include <sys/asm_linkage.h> 38*15f0b8c3SMartin Matuska 39*15f0b8c3SMartin MatuskaENTRY_ALIGN(setjmp, 8) 40eda14cbcSMatt Macy movq %rsp, 0(%rdi) 41eda14cbcSMatt Macy movq %rbp, 8(%rdi) 42eda14cbcSMatt Macy movq %rbx, 16(%rdi) 43eda14cbcSMatt Macy movq %r12, 24(%rdi) 44eda14cbcSMatt Macy movq %r13, 32(%rdi) 45eda14cbcSMatt Macy movq %r14, 40(%rdi) 46eda14cbcSMatt Macy movq %r15, 48(%rdi) 47eda14cbcSMatt Macy movq 0(%rsp), %rdx /* return address */ 48eda14cbcSMatt Macy movq %rdx, 56(%rdi) /* rip */ 49eda14cbcSMatt Macy xorl %eax, %eax /* return 0 */ 50a0b956f5SMartin Matuska RET 51eda14cbcSMatt Macy SET_SIZE(setjmp) 52eda14cbcSMatt Macy 53*15f0b8c3SMartin MatuskaENTRY_ALIGN(longjmp, 8) 54eda14cbcSMatt Macy movq 0(%rdi), %rsp 55eda14cbcSMatt Macy movq 8(%rdi), %rbp 56eda14cbcSMatt Macy movq 16(%rdi), %rbx 57eda14cbcSMatt Macy movq 24(%rdi), %r12 58eda14cbcSMatt Macy movq 32(%rdi), %r13 59eda14cbcSMatt Macy movq 40(%rdi), %r14 60eda14cbcSMatt Macy movq 48(%rdi), %r15 61eda14cbcSMatt Macy movq 56(%rdi), %rdx /* return address */ 62eda14cbcSMatt Macy movq %rdx, 0(%rsp) 63eda14cbcSMatt Macy xorl %eax, %eax 64eda14cbcSMatt Macy incl %eax /* return 1 */ 65a0b956f5SMartin Matuska RET 66eda14cbcSMatt Macy SET_SIZE(longjmp) 67eda14cbcSMatt Macy 68eda14cbcSMatt Macy#ifdef __ELF__ 69eda14cbcSMatt Macy.section .note.GNU-stack,"",%progbits 70eda14cbcSMatt Macy#endif 71eda14cbcSMatt Macy 72eda14cbcSMatt Macy#endif /* __x86_64__ */ 73