1994-08-19 12:07:23 +00:00
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.\" Copyright (c) 1993 Christopher G. Demetriou
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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1994-09-22 22:35:53 +00:00
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.\" $Id: modload.8,v 1.4 1994/09/18 04:12:12 davidg Exp $
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1994-08-19 12:07:23 +00:00
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.\"
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1994-09-22 22:35:53 +00:00
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.Dd September 22, 1994
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1994-08-19 12:07:23 +00:00
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.Dt MODLOAD 8
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1994-08-19 13:39:20 +00:00
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.Os
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1994-08-19 12:07:23 +00:00
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.Sh NAME
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.Nm modload
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.Nd load a kernel module
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.Sh SYNOPSIS
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.Nm modload
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.Op Fl dquv
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.Op Fl A Ar kernel
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.Op Fl e Ar entry
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.Op Fl p Ar postinstall
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.Op Fl o Ar output_file
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.Ar input_file
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.Sh DESCRIPTION
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The
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.Nm
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utility loads a loadable kernel module into a running system.
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The input file is an object file (.o file).
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.Pp
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The options to
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.Nm
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are as follows:
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.Bl -tag -width indent
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.It Fl d
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Debug. Used to debug
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.Nm
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itself.
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.It Fl q
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Be very quiet.
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.It Fl u
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Delete the loaded module
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.Pq Ar output_file
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after loading.
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.It Fl v
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Print comments about the loading process.
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.It Fl A Ar kernel
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Specify the file that is passed to the linker
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to resolve module references to external symbols.
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The symbol file must be for the currently running
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kernel or the module is likely to crash the system.
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.It Fl e Ar entry
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Specify the module entry point.
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This is passed by
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.Nm
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to
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.Xr ld 1
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when the module is linked.
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The default module entry point name is `xxxinit'.
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.It Fl p Ar postinstall
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Specify the name of a shell script or program that will
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be executed if the module is successfully loaded. It
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is always passed the module id (in decimal) and module
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type (in hexadecimal) as the first two arguments.
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1994-09-18 04:12:13 +00:00
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For loadable drivers, the third argument is
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the block or character major device number.
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1994-08-19 12:07:23 +00:00
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For a loadable system call, the third argument is the system
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call number.
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.It Fl o Ar output_file
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Specify the name of the output file that is produced by
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the linker.
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.El
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.Sh FILES
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.Bl -tag -width /usr/include/sys/lkm.h -compact
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.It Pa /kernel
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default file passed to the linker to resolve external
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references in the module
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.It Pa /usr/include/sys/lkm.h
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file containing definitions of module types
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.\" .It Pa output file.
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.\" default output file name
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.Sh DIAGNOSTICS
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The
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.Nm
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utility exits with a status of 0 on success
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and with a nonzero status if an error occurs.
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.Sh SEE ALSO
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.Xr ld 1 ,
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.Xr lkm 4 ,
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.Xr modunload 8 ,
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.Xr modstat 8
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.Sh HISTORY
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The
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.Nm
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command was designed to be similar in functionality
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to the corresponding command in
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.Tn "SunOS 4.1.3" .
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.Sh AUTHOR
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.Bl -tag
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Terrence R. Lambert, terry@cs.weber.edu
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.El
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.Sh BUGS
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1994-09-22 22:35:53 +00:00
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The loadable device driver framework can
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1994-09-18 04:12:13 +00:00
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only reserve either a character or block device entry, not both.
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