03831d35f7499c87d51205817c93e9a8d42c4baestevel/*
03831d35f7499c87d51205817c93e9a8d42c4baestevel * CDDL HEADER START
03831d35f7499c87d51205817c93e9a8d42c4baestevel *
03831d35f7499c87d51205817c93e9a8d42c4baestevel * The contents of this file are subject to the terms of the
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Common Development and Distribution License (the "License").
03831d35f7499c87d51205817c93e9a8d42c4baestevel * You may not use this file except in compliance with the License.
03831d35f7499c87d51205817c93e9a8d42c4baestevel *
03831d35f7499c87d51205817c93e9a8d42c4baestevel * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
03831d35f7499c87d51205817c93e9a8d42c4baestevel * or http://www.opensolaris.org/os/licensing.
03831d35f7499c87d51205817c93e9a8d42c4baestevel * See the License for the specific language governing permissions
03831d35f7499c87d51205817c93e9a8d42c4baestevel * and limitations under the License.
03831d35f7499c87d51205817c93e9a8d42c4baestevel *
03831d35f7499c87d51205817c93e9a8d42c4baestevel * When distributing Covered Code, include this CDDL HEADER in each
03831d35f7499c87d51205817c93e9a8d42c4baestevel * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
03831d35f7499c87d51205817c93e9a8d42c4baestevel * If applicable, add the following below this CDDL HEADER, with the
03831d35f7499c87d51205817c93e9a8d42c4baestevel * fields enclosed by brackets "[]" replaced with your own identifying
03831d35f7499c87d51205817c93e9a8d42c4baestevel * information: Portions Copyright [yyyy] [name of copyright owner]
03831d35f7499c87d51205817c93e9a8d42c4baestevel *
03831d35f7499c87d51205817c93e9a8d42c4baestevel * CDDL HEADER END
03831d35f7499c87d51205817c93e9a8d42c4baestevel */
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevel/*
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Use is subject to license terms.
03831d35f7499c87d51205817c93e9a8d42c4baestevel */
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevel#pragma ident "%Z%%M% %I% %E% SMI"
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevel#pragma weak _getustack = getustack
03831d35f7499c87d51205817c93e9a8d42c4baestevel#pragma weak _setustack = setustack
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevel#include "lint.h"
03831d35f7499c87d51205817c93e9a8d42c4baestevel#include <ucontext.h>
03831d35f7499c87d51205817c93e9a8d42c4baestevel#include <sys/syscall.h>
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevel/*
03831d35f7499c87d51205817c93e9a8d42c4baestevel * __getcontext() must be implemented in assembler, as opposed to
03831d35f7499c87d51205817c93e9a8d42c4baestevel * the other members of the SYS_context family (see __getcontext.s)
03831d35f7499c87d51205817c93e9a8d42c4baestevel * because we must be careful to get the precise context of the caller.
03831d35f7499c87d51205817c93e9a8d42c4baestevel */
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevelint
03831d35f7499c87d51205817c93e9a8d42c4baestevel__setcontext(const ucontext_t *ucp)
03831d35f7499c87d51205817c93e9a8d42c4baestevel{
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (syscall(SYS_context, 1, ucp));
03831d35f7499c87d51205817c93e9a8d42c4baestevel}
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevelint
03831d35f7499c87d51205817c93e9a8d42c4baestevelgetustack(stack_t **spp)
03831d35f7499c87d51205817c93e9a8d42c4baestevel{
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (syscall(SYS_context, 2, spp));
03831d35f7499c87d51205817c93e9a8d42c4baestevel}
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevelint
03831d35f7499c87d51205817c93e9a8d42c4baestevelsetustack(stack_t *sp)
03831d35f7499c87d51205817c93e9a8d42c4baestevel{
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (syscall(SYS_context, 3, sp));
03831d35f7499c87d51205817c93e9a8d42c4baestevel}
03831d35f7499c87d51205817c93e9a8d42c4baestevel