9512fe850e98fdd448c638ca63fdd92a8a510255ahl#!/usr/sbin/dtrace -ws
9512fe850e98fdd448c638ca63fdd92a8a510255ahl/*
9512fe850e98fdd448c638ca63fdd92a8a510255ahl * CDDL HEADER START
9512fe850e98fdd448c638ca63fdd92a8a510255ahl *
9512fe850e98fdd448c638ca63fdd92a8a510255ahl * The contents of this file are subject to the terms of the
9512fe850e98fdd448c638ca63fdd92a8a510255ahl * Common Development and Distribution License (the "License").
9512fe850e98fdd448c638ca63fdd92a8a510255ahl * You may not use this file except in compliance with the License.
9512fe850e98fdd448c638ca63fdd92a8a510255ahl *
9512fe850e98fdd448c638ca63fdd92a8a510255ahl * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9512fe850e98fdd448c638ca63fdd92a8a510255ahl * or http://www.opensolaris.org/os/licensing.
9512fe850e98fdd448c638ca63fdd92a8a510255ahl * See the License for the specific language governing permissions
9512fe850e98fdd448c638ca63fdd92a8a510255ahl * and limitations under the License.
9512fe850e98fdd448c638ca63fdd92a8a510255ahl *
9512fe850e98fdd448c638ca63fdd92a8a510255ahl * When distributing Covered Code, include this CDDL HEADER in each
9512fe850e98fdd448c638ca63fdd92a8a510255ahl * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
9512fe850e98fdd448c638ca63fdd92a8a510255ahl * If applicable, add the following below this CDDL HEADER, with the
9512fe850e98fdd448c638ca63fdd92a8a510255ahl * fields enclosed by brackets "[]" replaced with your own identifying
9512fe850e98fdd448c638ca63fdd92a8a510255ahl * information: Portions Copyright [yyyy] [name of copyright owner]
9512fe850e98fdd448c638ca63fdd92a8a510255ahl *
9512fe850e98fdd448c638ca63fdd92a8a510255ahl * CDDL HEADER END
9512fe850e98fdd448c638ca63fdd92a8a510255ahl */
9512fe850e98fdd448c638ca63fdd92a8a510255ahl
9512fe850e98fdd448c638ca63fdd92a8a510255ahl/*
9512fe850e98fdd448c638ca63fdd92a8a510255ahl * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
9512fe850e98fdd448c638ca63fdd92a8a510255ahl * Use is subject to license terms.
9512fe850e98fdd448c638ca63fdd92a8a510255ahl */
9512fe850e98fdd448c638ca63fdd92a8a510255ahl
9512fe850e98fdd448c638ca63fdd92a8a510255ahl#pragma ident "%Z%%M% %I% %E% SMI"
9512fe850e98fdd448c638ca63fdd92a8a510255ahl
9512fe850e98fdd448c638ca63fdd92a8a510255ahl/*
9512fe850e98fdd448c638ca63fdd92a8a510255ahl * ASSERTION:
9512fe850e98fdd448c638ca63fdd92a8a510255ahl * Destructive actions may never be speculative.
9512fe850e98fdd448c638ca63fdd92a8a510255ahl *
9512fe850e98fdd448c638ca63fdd92a8a510255ahl * SECTION: Speculative Tracing/Using a Speculation
9512fe850e98fdd448c638ca63fdd92a8a510255ahl * SECTION: dtrace(1M) Utility/ -w option
9512fe850e98fdd448c638ca63fdd92a8a510255ahl *
9512fe850e98fdd448c638ca63fdd92a8a510255ahl */
9512fe850e98fdd448c638ca63fdd92a8a510255ahl#pragma D option quiet
9512fe850e98fdd448c638ca63fdd92a8a510255ahl
9512fe850e98fdd448c638ca63fdd92a8a510255ahlchar a[2];
9512fe850e98fdd448c638ca63fdd92a8a510255ahlvoid *buf;
9512fe850e98fdd448c638ca63fdd92a8a510255ahluintptr_t addr;
9512fe850e98fdd448c638ca63fdd92a8a510255ahlsize_t nbytes;
9512fe850e98fdd448c638ca63fdd92a8a510255ahlBEGIN
9512fe850e98fdd448c638ca63fdd92a8a510255ahl{
9512fe850e98fdd448c638ca63fdd92a8a510255ahl self->i = 0;
9512fe850e98fdd448c638ca63fdd92a8a510255ahl addr = (uintptr_t) &a[0];
9512fe850e98fdd448c638ca63fdd92a8a510255ahl nbytes = 10;
9512fe850e98fdd448c638ca63fdd92a8a510255ahl var = speculation();
9512fe850e98fdd448c638ca63fdd92a8a510255ahl}
9512fe850e98fdd448c638ca63fdd92a8a510255ahl
9512fe850e98fdd448c638ca63fdd92a8a510255ahlBEGIN
9512fe850e98fdd448c638ca63fdd92a8a510255ahl{
9512fe850e98fdd448c638ca63fdd92a8a510255ahl speculate(var);
9512fe850e98fdd448c638ca63fdd92a8a510255ahl printf("Speculation ID: %d", var);
9512fe850e98fdd448c638ca63fdd92a8a510255ahl self->i++;
9512fe850e98fdd448c638ca63fdd92a8a510255ahl copyout(buf, addr, nbytes);
9512fe850e98fdd448c638ca63fdd92a8a510255ahl}
9512fe850e98fdd448c638ca63fdd92a8a510255ahl
9512fe850e98fdd448c638ca63fdd92a8a510255ahlBEGIN
9512fe850e98fdd448c638ca63fdd92a8a510255ahl{
9512fe850e98fdd448c638ca63fdd92a8a510255ahl printf("This test should not have compiled\n");
9512fe850e98fdd448c638ca63fdd92a8a510255ahl exit(0);
9512fe850e98fdd448c638ca63fdd92a8a510255ahl}
9512fe850e98fdd448c638ca63fdd92a8a510255ahl
9512fe850e98fdd448c638ca63fdd92a8a510255ahlERROR
9512fe850e98fdd448c638ca63fdd92a8a510255ahl{
9512fe850e98fdd448c638ca63fdd92a8a510255ahl exit(0);
9512fe850e98fdd448c638ca63fdd92a8a510255ahl}