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1.1 root 1: /*
2: * Copyright (c) 1988 The Regents of the University of California.
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms, with or without
6: * modification, are permitted provided that the following conditions
7: * are met:
8: * 1. Redistributions of source code must retain the above copyright
9: * notice, this list of conditions and the following disclaimer.
10: * 2. Redistributions in binary form must reproduce the above copyright
11: * notice, this list of conditions and the following disclaimer in the
12: * documentation and/or other materials provided with the distribution.
13: * 3. All advertising materials mentioning features or use of this software
14: * must display the following acknowledgement:
15: * This product includes software developed by the University of
16: * California, Berkeley and its contributors.
17: * 4. Neither the name of the University nor the names of its contributors
18: * may be used to endorse or promote products derived from this software
19: * without specific prior written permission.
20: *
21: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31: * SUCH DAMAGE.
32: *
33: * @(#)ktrace.h 7.4 (Berkeley) 5/7/91
34: */
35:
36: /*
37: * operations to ktrace system call (KTROP(op))
38: */
39: #define KTROP_SET 0 /* set trace points */
40: #define KTROP_CLEAR 1 /* clear trace points */
41: #define KTROP_CLEARFILE 2 /* stop all tracing to file */
42: #define KTROP(o) ((o)&3) /* macro to extract operation */
43: /*
44: * flags (ORed in with operation)
45: */
46: #define KTRFLAG_DESCEND 4 /* perform op on all children too */
47:
48: /*
49: * ktrace record header
50: */
51: struct ktr_header {
52: int ktr_len; /* length of buf */
53: short ktr_type; /* trace record type */
54: pid_t ktr_pid; /* process id */
55: char ktr_comm[MAXCOMLEN+1]; /* command name */
56: struct timeval ktr_time; /* timestamp */
57: caddr_t ktr_buf;
58: };
59:
60: /*
61: * Test for kernel trace point
62: */
63: #define KTRPOINT(p, type) ((p)->p_traceflag & (1<<(type)))
64:
65: /*
66: * ktrace record types
67: */
68:
69: /*
70: * KTR_SYSCALL - system call record
71: */
72: #define KTR_SYSCALL 1
73: struct ktr_syscall {
74: short ktr_code; /* syscall number */
75: short ktr_narg; /* number of arguments */
76: /*
77: * followed by ktr_narg ints
78: */
79: };
80:
81: /*
82: * KTR_SYSRET - return from system call record
83: */
84: #define KTR_SYSRET 2
85: struct ktr_sysret {
86: short ktr_code;
87: short ktr_eosys;
88: int ktr_error;
89: int ktr_retval;
90: };
91:
92: /*
93: * KTR_NAMEI - namei record
94: */
95: #define KTR_NAMEI 3
96: /* record contains pathname */
97:
98: /*
99: * KTR_GENIO - trace generic process i/o
100: */
101: #define KTR_GENIO 4
102: struct ktr_genio {
103: int ktr_fd;
104: enum uio_rw ktr_rw;
105: /*
106: * followed by data successfully read/written
107: */
108: };
109:
110: /*
111: * KTR_PSIG - trace processed signal
112: */
113: #define KTR_PSIG 5
114: struct ktr_psig {
115: int signo;
116: sig_t action;
117: int mask;
118: int code;
119: };
120:
121: /*
122: * kernel trace points (in p_traceflag)
123: */
124: #define KTRFAC_MASK 0x00ffffff
125: #define KTRFAC_SYSCALL (1<<KTR_SYSCALL)
126: #define KTRFAC_SYSRET (1<<KTR_SYSRET)
127: #define KTRFAC_NAMEI (1<<KTR_NAMEI)
128: #define KTRFAC_GENIO (1<<KTR_GENIO)
129: #define KTRFAC_PSIG (1<<KTR_PSIG)
130: /*
131: * trace flags (also in p_traceflags)
132: */
133: #define KTRFAC_ROOT 0x80000000 /* root set this trace */
134: #define KTRFAC_INHERIT 0x40000000 /* pass trace flags to children */
135:
136: #ifndef KERNEL
137:
138: #include <sys/cdefs.h>
139:
140: __BEGIN_DECLS
141: int ktrace __P((const char *, int, int, pid_t));
142: __END_DECLS
143:
144: #endif /* !KERNEL */
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