1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27/* 28 * Copyright 2023 Oxide Computer Company 29 */ 30 31 .file "__getcontext.s" 32 33/* 34 * __getcontext() must be implemented in assembler, as opposed 35 * to the other members of the SYS_context family (see ucontext.c) 36 * because we must be careful to get the precise context of the caller. 37 */ 38 39#include "SYS.h" 40 41 ENTRY(__getcontext) 42 movq %rdi, %rsi 43 movq $0, %rdi 44 SYSTRAP_RVAL1(context) 45 SYSCERROR 46 RETC 47 SET_SIZE(__getcontext) 48 49 ENTRY(__getcontext_extd) 50 movq %rdi, %rsi 51 movq $4, %rdi 52 SYSTRAP_RVAL1(context) 53 SYSCERROR 54 RETC 55 SET_SIZE(__getcontext_extd) 56