17c478bd9Sstevel@tonic-gate/* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 58cd45542Sraf * Common Development and Distribution License (the "License"). 68cd45542Sraf * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 218cd45542Sraf 227c478bd9Sstevel@tonic-gate/* 238cd45542Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*ed093b41SRobert Mustacchi */ 26*ed093b41SRobert Mustacchi 27*ed093b41SRobert Mustacchi/* 28*ed093b41SRobert Mustacchi * Copyright 2023 Oxide Computer Company 297c478bd9Sstevel@tonic-gate */ 307c478bd9Sstevel@tonic-gate 319a70fc3bSMark J. Nelson .file "__getcontext.s" 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate/* 347c478bd9Sstevel@tonic-gate * __getcontext() must be implemented in assembler, as opposed 357c478bd9Sstevel@tonic-gate * to the other members of the SYS_context family (see ucontext.c) 367c478bd9Sstevel@tonic-gate * because we must be careful to get the precise context of the caller. 377c478bd9Sstevel@tonic-gate */ 387c478bd9Sstevel@tonic-gate 397c478bd9Sstevel@tonic-gate#include "SYS.h" 407c478bd9Sstevel@tonic-gate 417c478bd9Sstevel@tonic-gate ENTRY(__getcontext) 427c478bd9Sstevel@tonic-gate popl %edx 437c478bd9Sstevel@tonic-gate pushl $0 447c478bd9Sstevel@tonic-gate pushl %edx 457c478bd9Sstevel@tonic-gate SYSTRAP_RVAL1(context) 467c478bd9Sstevel@tonic-gate popl %edx 477c478bd9Sstevel@tonic-gate movl %edx, 0(%esp) 487c478bd9Sstevel@tonic-gate SYSCERROR 497c478bd9Sstevel@tonic-gate RET 507c478bd9Sstevel@tonic-gate SET_SIZE(__getcontext) 51*ed093b41SRobert Mustacchi 52*ed093b41SRobert Mustacchi ENTRY(__getcontext_extd) 53*ed093b41SRobert Mustacchi popl %edx 54*ed093b41SRobert Mustacchi pushl $4 55*ed093b41SRobert Mustacchi pushl %edx 56*ed093b41SRobert Mustacchi SYSTRAP_RVAL1(context) 57*ed093b41SRobert Mustacchi popl %edx 58*ed093b41SRobert Mustacchi movl %edx, 0(%esp) 59*ed093b41SRobert Mustacchi SYSCERROR 60*ed093b41SRobert Mustacchi RET 61*ed093b41SRobert Mustacchi SET_SIZE(__getcontext_extd) 62