664a31e496
is an application space macro and the applications are supposed to be free to use it as they please (but cannot). This is consistant with the other BSD's who made this change quite some time ago. More commits to come.
179 lines
4.8 KiB
C
179 lines
4.8 KiB
C
/*
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)ktrace.h 8.1 (Berkeley) 6/2/93
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* $FreeBSD$
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*/
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#ifndef _SYS_KTRACE_H_
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#define _SYS_KTRACE_H_
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/*
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* operations to ktrace system call (KTROP(op))
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*/
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#define KTROP_SET 0 /* set trace points */
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#define KTROP_CLEAR 1 /* clear trace points */
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#define KTROP_CLEARFILE 2 /* stop all tracing to file */
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#define KTROP(o) ((o)&3) /* macro to extract operation */
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/*
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* flags (ORed in with operation)
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*/
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#define KTRFLAG_DESCEND 4 /* perform op on all children too */
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/*
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* ktrace record header
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*/
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struct ktr_header {
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int ktr_len; /* length of buf */
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short ktr_type; /* trace record type */
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pid_t ktr_pid; /* process id */
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char ktr_comm[MAXCOMLEN+1]; /* command name */
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struct timeval ktr_time; /* timestamp */
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caddr_t ktr_buf;
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};
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/*
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* Test for kernel trace point
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*/
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#define KTRPOINT(p, type) \
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(((p)->p_traceflag & ((1<<(type))|KTRFAC_ACTIVE)) == (1<<(type)))
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/*
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* ktrace record types
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*/
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/*
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* KTR_SYSCALL - system call record
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*/
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#define KTR_SYSCALL 1
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struct ktr_syscall {
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short ktr_code; /* syscall number */
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short ktr_narg; /* number of arguments */
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/*
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* followed by ktr_narg register_t
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*/
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register_t ktr_args[1];
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};
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/*
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* KTR_SYSRET - return from system call record
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*/
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#define KTR_SYSRET 2
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struct ktr_sysret {
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short ktr_code;
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short ktr_eosys;
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int ktr_error;
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register_t ktr_retval;
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};
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/*
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* KTR_NAMEI - namei record
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*/
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#define KTR_NAMEI 3
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/* record contains pathname */
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/*
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* KTR_GENIO - trace generic process i/o
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*/
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#define KTR_GENIO 4
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struct ktr_genio {
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int ktr_fd;
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enum uio_rw ktr_rw;
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/*
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* followed by data successfully read/written
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*/
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};
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/*
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* KTR_PSIG - trace processed signal
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*/
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#define KTR_PSIG 5
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struct ktr_psig {
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int signo;
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sig_t action;
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int code;
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sigset_t mask;
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};
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/*
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* KTR_CSW - trace context switches
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*/
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#define KTR_CSW 6
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struct ktr_csw {
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int out; /* 1 if switch out, 0 if switch in */
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int user; /* 1 if usermode (ivcsw), 0 if kernel (vcsw) */
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};
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/*
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* KTR_USER - data comming from userland
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*/
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#define KTR_USER 7
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/*
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* kernel trace points (in p_traceflag)
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*/
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#define KTRFAC_MASK 0x00ffffff
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#define KTRFAC_SYSCALL (1<<KTR_SYSCALL)
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#define KTRFAC_SYSRET (1<<KTR_SYSRET)
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#define KTRFAC_NAMEI (1<<KTR_NAMEI)
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#define KTRFAC_GENIO (1<<KTR_GENIO)
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#define KTRFAC_PSIG (1<<KTR_PSIG)
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#define KTRFAC_CSW (1<<KTR_CSW)
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#define KTRFAC_USER (1<<KTR_USER)
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/*
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* trace flags (also in p_traceflags)
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*/
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#define KTRFAC_ROOT 0x80000000 /* root set this trace */
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#define KTRFAC_INHERIT 0x40000000 /* pass trace flags to children */
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#define KTRFAC_ACTIVE 0x20000000 /* ktrace logging in progress, ignore */
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#ifdef _KERNEL
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void ktrnamei __P((struct vnode *,char *));
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void ktrcsw __P((struct vnode *,int,int));
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void ktrpsig __P((struct vnode *, int, sig_t, sigset_t *, int));
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void ktrgenio __P((struct vnode *,int, enum uio_rw,struct iovec *,int,int));
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void ktrsyscall __P((struct vnode *, int, int narg, register_t args[]));
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void ktrsysret __P((struct vnode *, int, int, register_t));
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#else
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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int ktrace __P((const char *, int, int, pid_t));
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int utrace __P((const void *, size_t));
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__END_DECLS
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#endif
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#endif
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