1178476Sjb/*
2178476Sjb * CDDL HEADER START
3178476Sjb *
4178476Sjb * The contents of this file are subject to the terms of the
5178476Sjb * Common Development and Distribution License (the "License").
6178476Sjb * You may not use this file except in compliance with the License.
7178476Sjb *
8178476Sjb * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9178476Sjb * or http://www.opensolaris.org/os/licensing.
10178476Sjb * See the License for the specific language governing permissions
11178476Sjb * and limitations under the License.
12178476Sjb *
13178476Sjb * When distributing Covered Code, include this CDDL HEADER in each
14178476Sjb * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15178476Sjb * If applicable, add the following below this CDDL HEADER, with the
16178476Sjb * fields enclosed by brackets "[]" replaced with your own identifying
17178476Sjb * information: Portions Copyright [yyyy] [name of copyright owner]
18178476Sjb *
19178476Sjb * CDDL HEADER END
20178476Sjb */
21178476Sjb
22178476Sjb/*
23178476Sjb * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24178476Sjb * Use is subject to license terms.
25178476Sjb */
26178476Sjb
27248752Spfg/*
28248752Spfg * Copyright (c) 2012 by Delphix. All rights reserved.
29248752Spfg */
30178476Sjb
31178476Sjb/*
32178476Sjb * ASSERTION:
33178476Sjb * Using integer arithmetic providing a non-aligned memory address will throw
34178476Sjb * a runtime error.
35178476Sjb *
36178476Sjb * SECTION: Pointers and Arrays/Generic Pointers
37178476Sjb */
38178476Sjb
39178476Sjb#pragma D option quiet
40178476Sjb
41248752Spfg#if defined(__i386) || defined(__amd64)
42248752Spfg#define __x86 1
43248752Spfg#endif
44248752Spfg
45248752Spfgint array[2];
46248752Spfgchar *ptr;
47178476Sjbint *p;
48178476Sjbint *q;
49178476Sjbint *r;
50178476Sjb
51178476SjbBEGIN
52178476Sjb{
53248752Spfg	array[0] = 0x12345678;
54248752Spfg	array[1] = 0xabcdefff;
55178476Sjb
56248752Spfg	ptr = (char *) &array[0];
57178476Sjb
58248752Spfg	p = (int *) (ptr);
59248752Spfg	q = (int *) (ptr + 2);
60248752Spfg	r = (int *) (ptr + 3);
61178476Sjb
62248752Spfg	printf("*p: 0x%x\n", *p);
63248752Spfg	printf("*q: 0x%x\n", *q);
64248752Spfg	printf("*r: 0x%x\n", *r);
65178476Sjb
66248752Spfg	/*
67248752Spfg	 * On x86, the above unaligned memory accesses are allowed and should
68248752Spfg	 * not result in the ERROR probe firing.
69248752Spfg	 */
70248752Spfg#ifdef __x86
71248752Spfg	exit(1);
72248752Spfg#else
73178476Sjb	exit(0);
74178476Sjb#endif
75178476Sjb}
76178476Sjb
77178476SjbERROR
78178476Sjb{
79248752Spfg#ifdef __x86
80248752Spfg	exit(0);
81248752Spfg#else
82178476Sjb	exit(1);
83248752Spfg#endif
84178476Sjb}
85