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 popl %edx 43 pushl $0 44 pushl %edx 45 SYSTRAP_RVAL1(context) 46 popl %edx 47 movl %edx, 0(%esp) 48 SYSCERROR 49 RET 50 SET_SIZE(__getcontext) 51 52 ENTRY(__getcontext_extd) 53 popl %edx 54 pushl $4 55 pushl %edx 56 SYSTRAP_RVAL1(context) 57 popl %edx 58 movl %edx, 0(%esp) 59 SYSCERROR 60 RET 61 SET_SIZE(__getcontext_extd) 62