File: [local] / src / usr.bin / ktrace / subr.c (download)
Revision 1.17, Fri Dec 15 15:12:08 2023 UTC (5 months, 3 weeks ago) by deraadt
Branch: MAIN
CVS Tags: OPENBSD_7_5_BASE, OPENBSD_7_5, HEAD Changes since 1.16: +4 -1 lines
provide the pieces for ktrace/kdump to observe pinsyscall violations.
(not used yet, because the pinsyscall changes are still being worked on)
ok kettenis
|
/* $OpenBSD: subr.c,v 1.17 2023/12/15 15:12:08 deraadt Exp $ */
/* $NetBSD: subr.c,v 1.6 1995/08/31 23:01:45 jtc Exp $ */
/*-
* 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. 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.
*/
#include <sys/types.h>
#include <sys/time.h>
#include <sys/signal.h>
#include <sys/ktrace.h>
#include "ktrace.h"
#include "extern.h"
/*
* If you change the trace point letters, then update to match:
* ktrace/ktrace.1, ktrace/ltrace.1, kdump/kdump.1, and
* usage() in kdump/kdump.c
*/
int
getpoints(const char *s, int defpoints)
{
int facs = 0;
while (*s) {
switch(*s) {
case 'c':
facs |= KTRFAC_SYSCALL | KTRFAC_SYSRET;
break;
case 'i':
facs |= KTRFAC_GENIO;
break;
case 'n':
facs |= KTRFAC_NAMEI;
break;
case 'p':
facs |= KTRFAC_PLEDGE;
break;
case 's':
facs |= KTRFAC_PSIG;
break;
case 'S':
facs |= KTRFAC_PINSYSCALL;
break;
case 't':
facs |= KTRFAC_STRUCT;
break;
case 'u':
facs |= KTRFAC_USER;
break;
case 'x':
facs |= KTRFAC_EXECARGS;
break;
case 'X':
facs |= KTRFAC_EXECENV;
break;
case '+':
facs |= defpoints;
break;
default:
return (-1);
}
s++;
}
return (facs);
}