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