xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/funcs/tst.copyin.d (revision 69a119caa6570c7077699161b7c28b6ee9f8b0f4)
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  * Copyright (c) 2012 by Delphix. All rights reserved.
29  */
30 
31 /*
32  * ASSERTION:
33  *  This D ditty tests the ability to perform both copyin and copyinstr.  We
34  *  grab the value or pr_envp, read the first pointer from the user stack,
35  *  and then copyinstr the first environment variable and print it.
36  *
37  * SECTION: Actions and Subroutines/copyin();
38  * 	Actions and Subroutines/copyinstr();
39  *	User Process Tracing/copyin() and copyinstr()
40  */
41 
42 BEGIN
43 /curpsinfo->pr_dmodel == PR_MODEL_ILP32/
44 {
45 	envp = *(uint32_t *)copyin(curpsinfo->pr_envp, sizeof (uint32_t));
46 	printf("envp[0] = \"%s\"", copyinstr(envp));
47 	exit(0);
48 }
49 
50 BEGIN
51 /curpsinfo->pr_dmodel == PR_MODEL_LP64/
52 {
53 	envp = *(uint64_t *)copyin(curpsinfo->pr_envp, sizeof (uint64_t));
54 	printf("envp[0] = \"%s\"", copyinstr(envp));
55 	exit(0);
56 }
57 
58 BEGIN
59 {
60 	exit(1)
61 }
62