err.D_ACT_SPEC.SpeculateWithCopyOut.d revision 178476 
1#!/usr/sbin/dtrace -ws
2/*
3 * CDDL HEADER START
4 *
5 * The contents of this file are subject to the terms of the
6 * Common Development and Distribution License (the "License").
7 * You may not use this file except in compliance with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22
23/*
24 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
25 * Use is subject to license terms.
26 */
27
28#pragma ident	"%Z%%M%	%I%	%E% SMI"
29
30/*
31 * ASSERTION:
32 * Destructive actions may never be speculative.
33 *
34 * SECTION: Speculative Tracing/Using a Speculation
35 * SECTION: dtrace(1M) Utility/ -w option
36 *
37 */
38#pragma D option quiet
39
40char a[2];
41void *buf;
42uintptr_t addr;
43size_t nbytes;
44BEGIN
45{
46	self->i = 0;
47	addr = (uintptr_t) &a[0];
48	nbytes = 10;
49	var = speculation();
50}
51
52BEGIN
53{
54	speculate(var);
55	printf("Speculation ID: %d", var);
56	self->i++;
57	copyout(buf, addr, nbytes);
58}
59
60BEGIN
61{
62	printf("This test should not have compiled\n");
63	exit(0);
64}
65
66ERROR
67{
68	exit(0);
69}
70