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 * ASSERTION: Bit-field will be automatically promoted to the next largest 29 * integer type for use in any expression and then the value assigned will 30 * warp around the maximum number assignable to the data type. 31 * 32 * SECTION: Structs and Unions/Bit-Fields 33 */ 34 35 #pragma D option quiet 36 37 struct bitRecord{ 38 int a : 1; 39 int b : 15; 40 int c : 31; 41 } var; 42 43 BEGIN 44 { 45 var.a = 256; 46 var.b = 65536; 47 var.c = 4294967296; 48 49 printf("bitRecord.a: %d\nbitRecord.b: %d\nbitRecord.c: %d\n", 50 var.a, var.b, var.c); 51 exit(0); 52 } 53 54 END 55 /(0 != var.a) || (0 != var.b) || (0 != var.c)/ 56 { 57 exit(1); 58 } 59