/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright (c) 2012 by Delphix. All rights reserved.
*/
/*
* ASSERTION:
* Using integer arithmetic providing a non-aligned memory address will throw
* a runtime error.
*
* SECTION: Pointers and Arrays/Generic Pointers
*/
#pragma D option quiet
#if defined(__i386) || defined(__amd64)
#define __x86 1
#endif
int array[2];
char *ptr;
int *p;
int *q;
int *r;
BEGIN
{
array[0] = 0x12345678;
array[1] = 0xabcdefff;
ptr = (char *) &array[0];
p = (int *) (ptr);
q = (int *) (ptr + 2);
r = (int *) (ptr + 3);
printf("*p: 0x%x\n", *p);
printf("*q: 0x%x\n", *q);
printf("*r: 0x%x\n", *r);
/*
* On x86, the above unaligned memory accesses are allowed and should
* not result in the ERROR probe firing.
*/
#ifdef __x86
exit(1);
#else
exit(0);
#endif
}
ERROR
{
#ifdef __x86
exit(0);
#else
exit(1);
#endif
}