xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/funcs/tst.copyin.d (revision 3d393ee6c37fa10ac512ed6d36109ad616dc7c1a)
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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  * ASSERTION:
31  *  This D ditty tests the ability to perform both copyin and copyinstr.  We
32  *  grab the value or pr_envp, read the first pointer from the user stack,
33  *  and then copyinstr the first environment variable and print it.
34  *
35  * SECTION: Actions and Subroutines/copyin();
36  * 	Actions and Subroutines/copyinstr();
37  *	User Process Tracing/copyin() and copyinstr()
38  */
39 
40 BEGIN
41 /curpsinfo->pr_dmodel == PR_MODEL_ILP32/
42 {
43 	envp = *(uint32_t *)copyin(curpsinfo->pr_envp, sizeof (uint32_t));
44 	printf("envp[0] = \"%s\"", copyinstr(envp));
45 	exit(0);
46 }
47 
48 BEGIN
49 /curpsinfo->pr_dmodel == PR_MODEL_LP64/
50 {
51 	envp = *(uint64_t *)copyin(curpsinfo->pr_envp, sizeof (uint64_t));
52 	printf("envp[0] = \"%s\"", copyinstr(envp));
53 	exit(0);
54 }
55