xref: /openbsd-src/usr.bin/ktrace/subr.c (revision 0b7734b3d77bb9b21afec6f4621cae6c805dbd45)
1 /*	$OpenBSD: subr.c,v 1.13 2016/07/18 09:36:50 guenther Exp $	*/
2 /*	$NetBSD: subr.c,v 1.6 1995/08/31 23:01:45 jtc Exp $	*/
3 
4 /*-
5  * Copyright (c) 1988, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 #include <sys/param.h>	/* MAXCOMLEN */
34 #include <sys/file.h>
35 #include <sys/user.h>
36 #include <sys/proc.h>
37 #include <sys/time.h>
38 #include <sys/ktrace.h>
39 
40 #include <stdio.h>
41 
42 #include "ktrace.h"
43 #include "extern.h"
44 
45 /*
46  * If you change the trace point letters, then update to match:
47  * ktrace/ktrace.1, ktrace/ltrace.1, kdump/kdump.1, and
48  * usage() in kdump/kdump.c
49  */
50 int
51 getpoints(const char *s, int defpoints)
52 {
53 	int facs = 0;
54 
55 	while (*s) {
56 		switch(*s) {
57 		case 'c':
58 			facs |= KTRFAC_SYSCALL | KTRFAC_SYSRET;
59 			break;
60 		case 'i':
61 			facs |= KTRFAC_GENIO;
62 			break;
63 		case 'n':
64 			facs |= KTRFAC_NAMEI;
65 			break;
66 		case 'p':
67 			facs |= KTRFAC_PLEDGE;
68 			break;
69 		case 's':
70 			facs |= KTRFAC_PSIG;
71 			break;
72 		case 't':
73 			facs |= KTRFAC_STRUCT;
74 			break;
75 		case 'u':
76 			facs |= KTRFAC_USER;
77 			break;
78 		case 'x':
79 			facs |= KTRFAC_EXECARGS;
80 			break;
81 		case 'X':
82 			facs |= KTRFAC_EXECENV;
83 			break;
84 		case '+':
85 			facs |= defpoints;
86 			break;
87 		default:
88 			return (-1);
89 		}
90 		s++;
91 	}
92 	return (facs);
93 }
94