xref: /titanic_41/usr/src/lib/libc/sparc/sys/__getcontext.s (revision b7d3956b92a285d8dac2c7f5f7e28d2ef5347ef8)
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#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29	.file	"%M%"
30
31/*
32 * __getcontext() must be implemented in assembler, as opposed
33 * to the other members of the SYS_context family (see ucontext.c)
34 * because we must be careful to get the precise context of the caller.
35 */
36
37#include "SYS.h"
38
39	ENTRY(__getcontext)
40	mov	%o0, %o1
41	mov	0, %o0
42	SYSTRAP_RVAL1(context)
43	SYSCERROR
44	RET
45	SET_SIZE(__getcontext)
46