xref: /titanic_51/usr/src/lib/libc/sparc/sys/__getcontext.s (revision 9a70fc3be3b1e966bf78825cdb8d509963a6f0a1)
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
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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.
257c478bd9Sstevel@tonic-gate */
267c478bd9Sstevel@tonic-gate
27*9a70fc3bSMark J. Nelson	.file	"__getcontext.s"
287c478bd9Sstevel@tonic-gate
297c478bd9Sstevel@tonic-gate/*
307c478bd9Sstevel@tonic-gate * __getcontext() must be implemented in assembler, as opposed
317c478bd9Sstevel@tonic-gate * to the other members of the SYS_context family (see ucontext.c)
327c478bd9Sstevel@tonic-gate * because we must be careful to get the precise context of the caller.
337c478bd9Sstevel@tonic-gate */
347c478bd9Sstevel@tonic-gate
357c478bd9Sstevel@tonic-gate#include "SYS.h"
367c478bd9Sstevel@tonic-gate
377c478bd9Sstevel@tonic-gate	ENTRY(__getcontext)
387c478bd9Sstevel@tonic-gate	mov	%o0, %o1
397c478bd9Sstevel@tonic-gate	mov	0, %o0
407c478bd9Sstevel@tonic-gate	SYSTRAP_RVAL1(context)
417c478bd9Sstevel@tonic-gate	SYSCERROR
427c478bd9Sstevel@tonic-gate	RET
437c478bd9Sstevel@tonic-gate	SET_SIZE(__getcontext)
44