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Diffstat (limited to '')
-rw-r--r-- | src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/struct/ksyms.d | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/struct/ksyms.d b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/struct/ksyms.d new file mode 100644 index 00000000..ab2f1cb5 --- /dev/null +++ b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/struct/ksyms.d @@ -0,0 +1,55 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2005 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* + * When our strings(1) invocation starts a read(2), set a watched flag on + * the current thread. When the read(2) finishes, clear the watched flag. + */ +syscall::read:entry +/curpsinfo->pr_psargs == "strings -a /dev/ksyms"/ +{ + printf("read %u bytes to user address %x\n", arg2, arg1); + self->watched = 1; +} + +syscall::read:return +/self->watched/ +{ + self->watched = 0; +} + +/* + * Instrument uiomove(9F). The prototype for this function is as follows: + * int uiomove(caddr_t addr, size_t nbytes, enum uio_rw rwflag, uio_t *uio); + */ +fbt::uiomove:entry +/self->watched/ +{ + this->iov = args[3]->uio_iov; + + printf("uiomove %u bytes to %p in pid %d\n", + this->iov->iov_len, this->iov->iov_base, pid); +} |