home *** CD-ROM | disk | FTP | other *** search
- /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
- /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
- /*
- * Copyright (c) 1988, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)ktrace.h 8.1 (Berkeley) 6/2/93
- */
-
- #ifndef _SYS_KTRACE_H_
- #define _SYS_KTRACE_H_
-
- /*
- * operations to ktrace system call (KTROP(op))
- */
- #define KTROP_SET 0 /* set trace points */
- #define KTROP_CLEAR 1 /* clear trace points */
- #define KTROP_CLEARFILE 2 /* stop all tracing to file */
- #define KTROP(o) ((o)&3) /* macro to extract operation */
- /*
- * flags (ORed in with operation)
- */
- #define KTRFLAG_DESCEND 4 /* perform op on all children too */
-
- /*
- * ktrace record header
- */
- struct ktr_header {
- int ktr_len; /* length of buf */
- short ktr_type; /* trace record type */
- pid_t ktr_pid; /* process id */
- char ktr_comm[MAXCOMLEN+1]; /* command name */
- struct timeval ktr_time; /* timestamp */
- caddr_t ktr_buf;
- };
-
- /*
- * Test for kernel trace point
- */
- #define KTRPOINT(p, type) \
- (((p)->p_traceflag & ((1<<(type))|KTRFAC_ACTIVE)) == (1<<(type)))
-
- /*
- * ktrace record types
- */
-
- /*
- * KTR_SYSCALL - system call record
- */
- #define KTR_SYSCALL 1
- struct ktr_syscall {
- int ktr_code; /* syscall number */
- int ktr_argsize; /* size of arguments */
- /*
- * followed by ktr_argsize/sizeof(register_t) "register_t"s
- */
- };
-
- /*
- * KTR_SYSRET - return from system call record
- */
- #define KTR_SYSRET 2
- struct ktr_sysret {
- short ktr_code;
- short ktr_eosys;
- int ktr_error;
- int ktr_retval;
- };
-
- /*
- * KTR_NAMEI - namei record
- */
- #define KTR_NAMEI 3
- /* record contains pathname */
-
- /*
- * KTR_GENIO - trace generic process i/o
- */
- #define KTR_GENIO 4
- struct ktr_genio {
- int ktr_fd;
- enum uio_rw ktr_rw;
- /*
- * followed by data successfully read/written
- */
- };
-
- /*
- * KTR_PSIG - trace processed signal
- */
- #define KTR_PSIG 5
- struct ktr_psig {
- int signo;
- sig_t action;
- int mask;
- int code;
- };
-
- /*
- * KTR_CSW - trace context switches
- */
- #define KTR_CSW 6
- struct ktr_csw {
- int out; /* 1 if switch out, 0 if switch in */
- int user; /* 1 if usermode (ivcsw), 0 if kernel (vcsw) */
- };
-
- /*
- * kernel trace points (in p_traceflag)
- */
- #define KTRFAC_MASK 0x00ffffff
- #define KTRFAC_SYSCALL (1<<KTR_SYSCALL)
- #define KTRFAC_SYSRET (1<<KTR_SYSRET)
- #define KTRFAC_NAMEI (1<<KTR_NAMEI)
- #define KTRFAC_GENIO (1<<KTR_GENIO)
- #define KTRFAC_PSIG (1<<KTR_PSIG)
- #define KTRFAC_CSW (1<<KTR_CSW)
- /*
- * trace flags (also in p_traceflags)
- */
- #define KTRFAC_ROOT 0x80000000 /* root set this trace */
- #define KTRFAC_INHERIT 0x40000000 /* pass trace flags to children */
- #define KTRFAC_ACTIVE 0x20000000 /* ktrace logging in progress, ignore */
-
- #ifndef KERNEL
-
- #include <sys/cdefs.h>
-
- __BEGIN_DECLS
- int ktrace __P((const char *, int, int, pid_t));
- __END_DECLS
-
- #endif /* !KERNEL */
- #endif /* !_SYS_KTRACE_H_ */
-
-