xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/pointers/tst.GlobalVar.d (revision 8119dad84d6416f13557b0ba8e2aaf9064cbcfd3)
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: Pointer declarations are global.
29  *
30  * SECTION: Pointers and Arrays/Pointers and Addresses
31  *
32  * NOTES:
33  *
34  */
35 
36 #pragma D option quiet
37 
38 BEGIN
39 {
40 	i = 0;
41 	kmemAddress = &`kmem_flags;
42 	kmemValue = *kmemAddress;
43 	printf("Address of kmem_flags: %x\n", (int) kmemAddress);
44 	printf("Value of kmem_flags: %d\n", kmemValue);
45 }
46 
47 profile:::tick-1sec
48 /(i < 1) && (&`kmem_flags == kmemAddress) && (*kmemAddress == kmemValue)/
49 {
50 	exit(1);
51 }
52 
53 END
54 /(&`kmem_flags == kmemAddress) && (*kmemAddress == kmemValue)/
55 {
56 	exit(0);
57 }
58