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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * When our strings(1) invocation starts a read(2), set a watched flag on 29 * the current thread. When the read(2) finishes, clear the watched flag. 30 */ 31 syscall::read:entry 32 /curpsinfo->pr_psargs == "strings -a /dev/ksyms"/ 33 { 34 printf("read %u bytes to user address %x\n", arg2, arg1); 35 self->watched = 1; 36 } 37 38 syscall::read:return 39 /self->watched/ 40 { 41 self->watched = 0; 42 } 43 44 /* 45 * Instrument uiomove(9F). The prototype for this function is as follows: 46 * int uiomove(caddr_t addr, size_t nbytes, enum uio_rw rwflag, uio_t *uio); 47 */ 48 fbt::uiomove:entry 49 /self->watched/ 50 { 51 this->iov = args[3]->uio_iov; 52 53 printf("uiomove %u bytes to %p in pid %d\n", 54 this->iov->iov_len, this->iov->iov_base, pid); 55 } 56