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 * Verify doc example 7-2 32 * 33 * SECTION: 34 * DocExamples/ksyms 35 */ 36 37 38 /* Must run "strings -a /dev/ksyms in another shell on the system */ 39 40 41 #pragma D option quiet 42 43 syscall::read:entry 44 /curpsinfo->pr_psargs == "strings -a /dev/ksyms"/ 45 { 46 printf("read %u bytes to user address %x\n", arg2, arg1); 47 self->watched = 1; 48 } 49 50 syscall::read:return 51 /self->watched/ 52 { 53 self->watched = 0; 54 } 55 56 fbt::uiomove:entry 57 /self->watched/ 58 { 59 this->iov = args[3]->uio_iov; 60 61 printf("uiomove %u bytes to %p in pid %d\n", this->iov->iov_len, 62 this->iov->iov_base, pid); 63 } 64