freebsd-dev/usr.sbin/kldxref/kldxref.8

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.\"-
.\" Copyright (c) 2001 Boris Popov
.\" Copyright (c) 2001 Dag-Erling Co<43>dan Sm<53>rgrav
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
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.\" 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
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.\" documentation and/or other materials provided with the distribution.
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" 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
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.\" $FreeBSD$
.\"
.Dd October 9, 2001
.Dt KLDXREF 8
.Os
.Sh NAME
.Nm kldxref
.Nd genereate hints for the kernel loader
.Sh SYNOPSIS
.Nm
.Op Fl Rdv
.Op Fl f Ar file
.Op Ar path ...
.Sh DESCRIPTION
The
.Nm
command is used to generate hint files which list modules, their
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version numbers, and the files that contain them.
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These hints are used by the kernel loader to determine where to find a
particular KLD module.
.Pp
A separate hint file is generated for each directory listed on the
command line that contains modules.
If no hint records are generated for a particular directory, no hint
file is created, and the preexisting hint file (if there was one in
that directory) is removed.
.Pp
The following options are available:
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.Bl -tag -width ".Fl f Ar file"
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.It Fl R
Recurse into subdirectories.
.It Fl d
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Do not generate a hint file, but print module metadata on standard
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output.
.It Fl f Ar file
Specify a different name for the hint files than
.Pa linker.hints .
.It Fl v
Operate in verbose mode.
.El
.Sh EXAMPLES
To build hint files for both standard and add-on modules:
.Pp
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.Dl "kldxref /boot/kernel /modules"
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.Pp
To build hint files for all installed kernels:
.Pp
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.Dl "kldxref -R /boot"
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.Sh SEE ALSO
.Xr kld 4 ,
.Xr kldconfig 8 ,
.Xr kldload 8 ,
.Xr kldstat 8 ,
.Xr kldunload 8
.Sh HISTORY
The
.Nm
command first appeared in
.Fx 5.0 .
.Sh AUTHORS
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.An -nosplit
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The
.Nm
command was implemented by
.An Boris Popov Aq bp@FreeBSD.org .
This manual page was written by
.An Boris Popov Aq bp@FreeBSD.org
and
.An Dag-Erling Co\(:idan Sm\(/orgrav Aq des@FreeBSD.org .