usr/src/cmd/dtrace/test/tst/common/funcs/tst.copyin.d

   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 }