__getcontext.s revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
.file "%M%"
/*
* __getcontext() must be implemented in assembler, as opposed
* to the other members of the SYS_context family (see ucontext.c)
* because we must be careful to get the precise context of the caller.
*/
#include "SYS.h"
ANSI_PRAGMA_WEAK2(__getcontext_syscall,__getcontext,function)
ENTRY(__getcontext)
movq %rdi, %rsi
movq $0, %rdi
SYSTRAP_RVAL1(context)
SYSCERROR
RETC
SET_SIZE(__getcontext)