diff options
author | dg <dg@FreeBSD.org> | 1994-08-19 12:14:10 +0000 |
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committer | dg <dg@FreeBSD.org> | 1994-08-19 12:14:10 +0000 |
commit | 35558b6a08e8e73d6e3151fd78ab280cc0c072cb (patch) | |
tree | 6af201c09c2b3e9f4a9d5b5c25e429900a610642 | |
parent | af3f714addb5ee7de74ce27b39d8de8aa3c62752 (diff) | |
download | FreeBSD-src-35558b6a08e8e73d6e3151fd78ab280cc0c072cb.zip FreeBSD-src-35558b6a08e8e73d6e3151fd78ab280cc0c072cb.tar.gz |
Terry Lambert's loadable kernel module support - modstat utility with
improvements from the NetBSD group.
-rw-r--r-- | usr.bin/Makefile | 4 | ||||
-rw-r--r-- | usr.bin/modstat/Makefile | 44 | ||||
-rw-r--r-- | usr.bin/modstat/modstat.8 | 69 | ||||
-rw-r--r-- | usr.bin/modstat/modstat.c | 178 | ||||
-rw-r--r-- | usr.bin/modstat/pathnames.h | 3 |
5 files changed, 296 insertions, 2 deletions
diff --git a/usr.bin/Makefile b/usr.bin/Makefile index e5e549c..6e8e4248 100644 --- a/usr.bin/Makefile +++ b/usr.bin/Makefile @@ -14,8 +14,8 @@ SUBDIR= apply ar banner basename biff cal calendar \ fsplit fstat ftp gcore gprof head hexdump id indent \ join jot kdump ktrace lam last lastcomm leave locate \ lock logger login logname lorder m4 mail make mesg mkdep \ - mkfifo mklocale mkstr more msgs mt netstat nfsstat nice nm nohup \ - pagesize passwd paste pr printenv printf quota \ + mkfifo mklocale mkstr modstat more msgs mt netstat nfsstat nice \ + nm nohup pagesize passwd paste pr printenv printf quota \ ranlib rdist renice rev rlogin rs rsh ruptime rwho \ script sed shar showmount size soelim split \ strings strip su talk tcopy tee telnet tftp time tip \ diff --git a/usr.bin/modstat/Makefile b/usr.bin/modstat/Makefile new file mode 100644 index 0000000..a602bb9 --- /dev/null +++ b/usr.bin/modstat/Makefile @@ -0,0 +1,44 @@ +# +# Makefile for modstat +# +# 25 May 93 Terry Lambert Original +# +# Copyright (c) 1993 Terrence R. Lambert. +# 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. All advertising materials mentioning features or use of this software +# must display the following acknowledgement: +# This product includes software developed by Terrence R. Lambert. +# 4. The name Terrence R. Lambert may not be used to endorse or promote +# products derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY TERRENCE R. LAMBERT ``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 TERRENCE R. LAMBERT 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. +# +# $Id: Makefile,v 1.4 1994/02/09 15:02:19 deraadt Exp $ +# + +PROG= modstat +MAN8= modstat.8 +BINGRP= kmem +BINMODE=2555 + +.include <bsd.prog.mk> diff --git a/usr.bin/modstat/modstat.8 b/usr.bin/modstat/modstat.8 new file mode 100644 index 0000000..e6601ea --- /dev/null +++ b/usr.bin/modstat/modstat.8 @@ -0,0 +1,69 @@ +.\" Copyright (c) 1993 Christopher G. Demetriou +.\" 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. The name of the author may not be used to endorse or promote products +.\" derived from this software without specific prior written permission +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. +.\" +.\" $Id: modstat.8,v 1.2 1994/01/29 01:43:33 jtc Exp $ +.\" +.Dd June 7, 1993 +.Dt MODSTAT 8 +.Os NetBSD 0.8a +.Sh NAME +.Nm modstat +.Nd display status of loaded kernel modules +.Sh SYNOPSIS +.Nm modstat +.Op Fl i Ar id +.Op Fl n Ar name +.Sh DESCRIPTION +The +.Nm +utility displays the status of any loadable kernel modules +present in the kernel. +.Pp +The options are as follows: +.Bl -tag -width indent +.It Fl i Ar id +Display the status of only the module with this ID. +.It Fl n Ar name +Display the status of only the module with this name. +.El +.Sh DIAGNOSTICS +The +.Nm +utility exits with a status of 0 on success +and with a nonzero status if an error occurs. +.Sh SEE ALSO +.Xr lkm 4 , +.Xr modunload 8 , +.Xr modstat 8 +.Sh HISTORY +The +.Nm +command was designed to be similar in functionality +to the corresponding command in +.Tn "SunOS 4.1.3" . +.Sh AUTHOR +.Bl -tag +Terrence R. Lambert, terry@cs.weber.edu +.El diff --git a/usr.bin/modstat/modstat.c b/usr.bin/modstat/modstat.c new file mode 100644 index 0000000..7df85ed --- /dev/null +++ b/usr.bin/modstat/modstat.c @@ -0,0 +1,178 @@ +/* + * Copyright (c) 1993 Terrence R. Lambert. + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Terrence R. Lambert. + * 4. The name Terrence R. Lambert may not be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY TERRENCE R. LAMBERT ``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 TERRENCE R. LAMBERT 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. + * + * $Id: modstat.c,v 1.5 1994/05/23 05:44:08 cgd Exp $ + */ + +#include <stdio.h> +#include <stdlib.h> +#include <err.h> +#include <string.h> +#include <a.out.h> +#include <sys/param.h> +#include <sys/ioctl.h> +#include <sys/conf.h> +#include <sys/mount.h> +#include <sys/lkm.h> +#include <sys/file.h> +#include <sys/errno.h> +#include "pathnames.h" + +void +usage() +{ + + fprintf(stderr, "usage:\n"); + fprintf(stderr, "modstat [-i <module id>] [-n <module name>]\n"); + exit(1); +} + +static char *type_names[] = { + "SYSCALL", + "VFS", + "DEV", + "STRMOD", + "EXEC", + "MISC" +}; + +int +dostat(devfd, modnum, modname) + int devfd; + int modnum; + char *modname; +{ + struct lmc_stat sbuf; + + if (modname != NULL) + strcpy(sbuf.name, modname); + + sbuf.id = modnum; + + if (ioctl(devfd, LMSTAT, &sbuf) == -1) { + switch (errno) { + case EINVAL: /* out of range */ + return 2; + case ENOENT: /* no such entry */ + return 1; + default: /* other error (EFAULT, etc) */ + warn("LMSTAT"); + return 4; + } + } + + /* + * Decode this stat buffer... + */ + printf("%-7s %3d %3d %08x %04x %8x %3d %s\n", + type_names[sbuf.type], + sbuf.id, /* module id */ + sbuf.offset, /* offset into modtype struct */ + sbuf.area, /* address module loaded at */ + sbuf.size, /* size in pages(K) */ + sbuf.private, /* kernel address of private area */ + sbuf.ver, /* Version; always 1 for now */ + sbuf.name /* name from private area */ + ); + + /* + * Done (success). + */ + return 0; +} + +int devfd; + +void +cleanup() +{ + + close(devfd); +} + +int +main(argc, argv) + int argc; + char *argv[]; +{ + int c; + int modnum = -1; + char *modname = NULL; + + while ((c = getopt(argc, argv, "i:n:")) != EOF) { + switch (c) { + case 'i': + modnum = atoi(optarg); + break; /* number */ + case 'n': + modname = optarg; + break; /* name */ + case '?': + usage(); + default: + printf("default!\n"); + break; + } + } + argc -= optind; + argv += optind; + + if (argc != 0) + usage(); + + /* + * Open the virtual device device driver for exclusive use (needed + * to ioctl() to retrive the loaded module(s) status). + */ + if ((devfd = open(_PATH_LKM, O_RDONLY, 0)) == -1) + err(2, _PATH_LKM); + + atexit(cleanup); + + printf("Type Id Off Loadaddr Size Info Rev Module Name\n"); + + /* + * Oneshot? + */ + if (modnum != -1 || modname != NULL) { + if (dostat(devfd, modnum, modname)) + exit(3); + exit(0); + } + + /* + * Start at 0 and work up until "EINVAL". + */ + for (modnum = 0; dostat(devfd, modnum, NULL) < 2; modnum++) + ; + + exit(0); +} diff --git a/usr.bin/modstat/pathnames.h b/usr.bin/modstat/pathnames.h new file mode 100644 index 0000000..81f70f2 --- /dev/null +++ b/usr.bin/modstat/pathnames.h @@ -0,0 +1,3 @@ +#include <paths.h> + +#define _PATH_LKM "/dev/lkm" |