projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| b688fc87 WJ |
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 */ |