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authordfr <dfr@FreeBSD.org>1997-05-07 18:19:54 +0000
committerdfr <dfr@FreeBSD.org>1997-05-07 18:19:54 +0000
commit6a933805fdfacb664c43691f14c290975306a246 (patch)
tree077724ce8181c4149796b9216ea0ed2eeeec591c /sbin
parentc24954dec57e0832c863edd946069b098202e5a9 (diff)
downloadFreeBSD-src-6a933805fdfacb664c43691f14c290975306a246.zip
FreeBSD-src-6a933805fdfacb664c43691f14c290975306a246.tar.gz
Add utilities for the kernel linker.
Diffstat (limited to 'sbin')
-rw-r--r--sbin/kldload/Makefile33
-rw-r--r--sbin/kldload/kldload.854
-rw-r--r--sbin/kldload/kldload.c71
-rw-r--r--sbin/kldstat/Makefile33
-rw-r--r--sbin/kldstat/kldstat.860
-rw-r--r--sbin/kldstat/kldstat.c119
-rw-r--r--sbin/kldunload/Makefile33
-rw-r--r--sbin/kldunload/kldunload.860
-rw-r--r--sbin/kldunload/kldunload.c92
9 files changed, 555 insertions, 0 deletions
diff --git a/sbin/kldload/Makefile b/sbin/kldload/Makefile
new file mode 100644
index 0000000..39033e5
--- /dev/null
+++ b/sbin/kldload/Makefile
@@ -0,0 +1,33 @@
+#
+# Copyright (c) 1997 Doug Rabson
+# 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.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+#
+# $Id$
+#
+
+PROG= kldload
+SRCS= kldload.c
+MAN8= kldload.8
+
+.include <bsd.prog.mk>
diff --git a/sbin/kldload/kldload.8 b/sbin/kldload/kldload.8
new file mode 100644
index 0000000..a27ace2
--- /dev/null
+++ b/sbin/kldload/kldload.8
@@ -0,0 +1,54 @@
+.\"
+.\" Copyright (c) 1997 Doug Rabson
+.\" 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.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+.\"
+.\" $Id$
+.\"
+.Dd April 25, 1997
+.Dt KLDLOAD 8
+.Os
+.Sh NAME
+.Nm kldload
+.Nd load a file into the kernel
+.Sh SYNOPSIS
+.Nm kldload
+.Op Fl v
+.Ar file
+.Sh DESCRIPTION
+The
+.Nm
+loads a file into the kernel using the kernel linker.
+.Pp
+The options are:
+.Bl -tag -width indent
+.It Fl v
+Be more verbose.
+.El
+.Sh SEE ALSO
+.Xr kldstat 8 ,
+.Xr kldunload 8
+.Sh AUTHOR
+.Bl -tag
+Doug Rabson, dfr@freebsd.org
+.El.
diff --git a/sbin/kldload/kldload.c b/sbin/kldload/kldload.c
new file mode 100644
index 0000000..e2a58be
--- /dev/null
+++ b/sbin/kldload/kldload.c
@@ -0,0 +1,71 @@
+/*-
+ * Copyright (c) 1997 Doug Rabson
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $Id$
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/param.h>
+#include <sys/linker.h>
+
+static char* progname;
+
+static void usage()
+{
+ fprintf(stderr, "usage: %s filename\n", progname);
+ exit(1);
+}
+
+int main(int argc, char** argv)
+{
+ int c;
+ int verbose = 0;
+ int fileid;
+
+ progname = argv[0];
+ while ((c = getopt(argc, argv, "v")) != -1)
+ switch (c) {
+ case 'v':
+ verbose = 1;
+ break;
+ default:
+ usage();
+ }
+ argc -= optind;
+ argv += optind;
+
+ if (argc != 1)
+ usage();
+
+ fileid = kldload(argv[0]);
+ if (fileid < 0)
+ err(1, "Can't load %s", argv[0]);
+ else
+ if (verbose)
+ printf("Loaded %s, id=%d\n", argv[0], fileid);
+
+ return 0;
+}
diff --git a/sbin/kldstat/Makefile b/sbin/kldstat/Makefile
new file mode 100644
index 0000000..27cdf27
--- /dev/null
+++ b/sbin/kldstat/Makefile
@@ -0,0 +1,33 @@
+#
+# Copyright (c) 1997 Doug Rabson
+# 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.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+#
+# $Id$
+#
+
+PROG= kldstat
+SRCS= kldstat.c
+MAN8= kldstat.8
+
+.include <bsd.prog.mk>
diff --git a/sbin/kldstat/kldstat.8 b/sbin/kldstat/kldstat.8
new file mode 100644
index 0000000..bafdb220
--- /dev/null
+++ b/sbin/kldstat/kldstat.8
@@ -0,0 +1,60 @@
+.\"
+.\" Copyright (c) 1997 Doug Rabson
+.\" 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.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+.\"
+.\" $Id$
+.\"
+.Dd April 25, 1997
+.Dt KLDSTAT 8
+.Os
+.Sh NAME
+.Nm kldstat
+.Nd display status of dynamic kernel linker
+.Sh SYNOPSIS
+.Nm kldstat
+.Op Fl v
+.Op Fl i Ar id
+.Op Fl n Ar filename
+.Sh DESCRIPTION
+The
+.Nm
+utility displays the status of any files dynamically linked into the
+kernel.
+.Pp
+The options are:
+.Bl -tag -width indent
+.It Fl v
+Be more verbose.
+.It Fl i Ar id
+Display the status of only the file with this ID.
+.It Fl n Ar name
+Display the status of only the file with this name.
+.El
+.Sh SEE ALSO
+.Xr kldload 8 ,
+.Xr kldunload 8
+.Sh AUTHOR
+.Bl -tag
+Doug Rabson, dfr@freebsd.org
+.El.
diff --git a/sbin/kldstat/kldstat.c b/sbin/kldstat/kldstat.c
new file mode 100644
index 0000000..edb045f
--- /dev/null
+++ b/sbin/kldstat/kldstat.c
@@ -0,0 +1,119 @@
+/*-
+ * Copyright (c) 1997 Doug Rabson
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $Id$
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/module.h>
+#include <sys/linker.h>
+
+static char* progname;
+
+static void printmod(int modid)
+{
+ struct module_stat stat;
+
+ stat.version = sizeof(struct module_stat);
+ if (modstat(modid, &stat) < 0)
+ warn(1, "Can't state module");
+ else
+ printf("\t\t%2d %s\n", stat.id, stat.name);
+}
+
+static void printfile(int fileid, int verbose)
+{
+ struct kld_file_stat stat;
+ int modid;
+
+ stat.version = sizeof(struct kld_file_stat);
+ if (kldstat(fileid, &stat) < 0)
+ warn(1, "Can't stat file");
+ else
+ printf("%2d %4d %-8x %-8x %s\n",
+ stat.id, stat.refs, stat.address, stat.size, stat.name);
+
+ if (verbose) {
+ printf("\tContains modules:\n");
+ printf("\t\tId Name\n");
+ for (modid = kldfirstmod(fileid); modid > 0;
+ modid = modfnext(modid))
+ printmod(modid);
+ }
+}
+
+static void
+usage()
+{
+ fprintf(stderr, "usage: %s [-v]\n", progname);
+ exit(1);
+}
+
+int main(int argc, char** argv)
+{
+ int c;
+ int verbose = 0;
+ int fileid = 0;
+ char* filename = 0;
+
+ progname = argv[0];
+ while ((c = getopt(argc, argv, "vi:n:")) != -1)
+ switch (c) {
+ case 'v':
+ verbose = 1;
+ break;
+ case 'i':
+ fileid = atoi(optarg);
+ break;
+ case 'n':
+ filename = optarg;
+ break;
+ default:
+ usage();
+ }
+ argc -= optind;
+ argv += optind;
+
+ if (argc != 0)
+ usage();
+
+ if (filename) {
+ fileid = kldfind(filename);
+ if (fileid < 0)
+ err(1, "Can't find file %s", filename);
+ }
+
+ printf("Id Refs Address Size Name\n");
+ if (fileid)
+ printfile(fileid, verbose);
+ else
+ for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid))
+ printfile(fileid, verbose);
+
+ return 0;
+}
diff --git a/sbin/kldunload/Makefile b/sbin/kldunload/Makefile
new file mode 100644
index 0000000..7f7fffb
--- /dev/null
+++ b/sbin/kldunload/Makefile
@@ -0,0 +1,33 @@
+#
+# Copyright (c) 1997 Doug Rabson
+# 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.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+#
+# $Id$
+#
+
+PROG= kldunload
+SRCS= kldunload.c
+MAN8= kldunload.8
+
+.include <bsd.prog.mk>
diff --git a/sbin/kldunload/kldunload.8 b/sbin/kldunload/kldunload.8
new file mode 100644
index 0000000..f9b806c
--- /dev/null
+++ b/sbin/kldunload/kldunload.8
@@ -0,0 +1,60 @@
+.\"
+.\" Copyright (c) 1997 Doug Rabson
+.\" 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.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+.\"
+.\" $Id$
+.\"
+.Dd April 25, 1997
+.Dt KLDUNLOAD 8
+.Os
+.Sh NAME
+.Nm kldunload
+.Nd unload a file from the kernel
+.Sh SYNOPSIS
+.Nm kldunload
+.Op Fl v
+.Op Fl i Ar id
+.Op Fl n Ar filename
+.Sh DESCRIPTION
+The
+.Nm
+utility unloads a file which was previously loaded with
+.Xr kldload 8 .
+.Pp
+The options are:
+.Bl -tag -width indent
+.It Fl v
+Be more verbose.
+.It Fl i Ar id
+Unload the file with this ID.
+.It Fl n Ar name
+Unload the file with this name.
+.El
+.Sh SEE ALSO
+.Xr kldload 8 ,
+.Xr kldstat 8
+.Sh AUTHOR
+.Bl -tag
+Doug Rabson, dfr@freebsd.org
+.El.
diff --git a/sbin/kldunload/kldunload.c b/sbin/kldunload/kldunload.c
new file mode 100644
index 0000000..5f94ef9
--- /dev/null
+++ b/sbin/kldunload/kldunload.c
@@ -0,0 +1,92 @@
+/*-
+ * Copyright (c) 1997 Doug Rabson
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $Id$
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/param.h>
+#include <sys/linker.h>
+
+static char* progname;
+
+static void usage()
+{
+ fprintf(stderr, "usage: modunload [-i id] [-n filename]\n");
+ exit(1);
+}
+
+int main(int argc, char** argv)
+{
+ int c;
+ int verbose = 0;
+ int fileid = 0;
+ char* filename = 0;
+
+ progname = argv[0];
+ while ((c = getopt(argc, argv, "vi:n:")) != -1)
+ switch (c) {
+ case 'v':
+ verbose = 1;
+ break;
+ case 'i':
+ fileid = atoi(optarg);
+ break;
+ case 'n':
+ filename = optarg;
+ break;
+ default:
+ usage();
+ }
+ argc -= optind;
+ argv += optind;
+
+ if (argc != 0)
+ usage();
+
+ if (fileid == 0 && filename == 0)
+ usage();
+
+ if (filename) {
+ fileid = kldfind(filename);
+ if (fileid < 0)
+ err(1, "Can't find file %s", filename);
+ }
+
+ if (verbose) {
+ struct kld_file_stat stat;
+ stat.version = sizeof stat;
+ if (kldstat(fileid, &stat) < 0)
+ err(1, "Can't stat file");
+ printf("Unloading %s, id=%d\n", stat.name, fileid);
+ }
+
+ if (kldunload(fileid) < 0)
+ err(1, "Can't unload file");
+
+ return 0;
+}
+
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