1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* 28*0Sstevel@tonic-gate * When our strings(1) invocation starts a read(2), set a watched flag on 29*0Sstevel@tonic-gate * the current thread. When the read(2) finishes, clear the watched flag. 30*0Sstevel@tonic-gate */ 31*0Sstevel@tonic-gate syscall::read:entry 32*0Sstevel@tonic-gate /curpsinfo->pr_psargs == "strings -a /dev/ksyms"/ 33*0Sstevel@tonic-gate { 34*0Sstevel@tonic-gate printf("read %u bytes to user address %x\n", arg2, arg1); 35*0Sstevel@tonic-gate self->watched = 1; 36*0Sstevel@tonic-gate } 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate syscall::read:return 39*0Sstevel@tonic-gate /self->watched/ 40*0Sstevel@tonic-gate { 41*0Sstevel@tonic-gate self->watched = 0; 42*0Sstevel@tonic-gate } 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate /* 45*0Sstevel@tonic-gate * Instrument uiomove(9F). The prototype for this function is as follows: 46*0Sstevel@tonic-gate * int uiomove(caddr_t addr, size_t nbytes, enum uio_rw rwflag, uio_t *uio); 47*0Sstevel@tonic-gate */ 48*0Sstevel@tonic-gate fbt::uiomove:entry 49*0Sstevel@tonic-gate /self->watched/ 50*0Sstevel@tonic-gate { 51*0Sstevel@tonic-gate this->iov = args[3]->uio_iov; 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate printf("uiomove %u bytes to %p in pid %d\n", 54*0Sstevel@tonic-gate this->iov->iov_len, this->iov->iov_base, pid); 55*0Sstevel@tonic-gate } 56