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 2006 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*
28 * Copyright (c) 2012 by Delphix. All rights reserved.
29 */
30
31/*
32 * ASSERTION:
33 * Using integer arithmetic providing a non-aligned memory address will throw
34 * a runtime error.
35 *
36 * SECTION: Pointers and Arrays/Generic Pointers
37 */
38
39#pragma D option quiet
40
41#if defined(__i386) || defined(__amd64)
42#define __x86 1
43#endif
44
45int array[2];
46char *ptr;
47int *p;
48int *q;
49int *r;
50
51BEGIN
52{
53	array[0] = 0x12345678;
54	array[1] = 0xabcdefff;
55
56	ptr = (char *) &array[0];
57
58	p = (int *) (ptr);
59	q = (int *) (ptr + 2);
60	r = (int *) (ptr + 3);
61
62	printf("*p: 0x%x\n", *p);
63	printf("*q: 0x%x\n", *q);
64	printf("*r: 0x%x\n", *r);
65
66	/*
67	 * On x86, the above unaligned memory accesses are allowed and should
68	 * not result in the ERROR probe firing.
69	 */
70#ifdef __x86
71	exit(1);
72#else
73	exit(0);
74#endif
75}
76
77ERROR
78{
79#ifdef __x86
80	exit(0);
81#else
82	exit(1);
83#endif
84}
85