.\" Copyright (c) 1998 Robert Nordier
.\" 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.
.\"
.\" $FreeBSD: src/usr.sbin/btxld/btxld.8,v 1.2.2.2 2001/08/16 15:55:41 ru Exp $
.\" $DragonFly: src/usr.sbin/btxld/btxld.8,v 1.3 2006/02/17 19:40:12 swildner Exp $
.\"
.Dd September 12, 1998
.Dt BTXLD 8
.Os
.Sh NAME
.Nm btxld
.Nd link editor for BTX clients
.Sh SYNOPSIS
.Nm
.Op Fl qv
.Op Fl b Ar file
.Op Fl E Ar address
.Op Fl e Ar address
.Op Fl f Ar format
.Op Fl l Ar file
.Op Fl o Ar filename
.Op Fl P Ar page
.Op Fl W Ar page
.Ar file
.Sh DESCRIPTION
The
.Nm
utility binds the specified client executable together with a BTX
loader program and the BTX kernel, and creates a composite object file
suitable for loading during the boot process.
.Pp
The options are:
.Bl -tag -width indent
.It Fl q
Quiet: inhibit warnings.
.It Fl v
Verbose: display information about the files processed.
.It Fl b Ar file
Specify the BTX kernel to be bound with the client.
.It Fl E Ar address
Set the client entry point.
.It Fl e Ar address
Set the BTX loader entry point.
.It Fl f Ar format
Specify the output format, where
.Ar format
is one of
.Sq bin ,
.Sq aout ,
or
.Sq elf .
.It Fl l Ar file
Specify the BTX loader to be bound with the client.
.It Fl o Ar filename
Name the output file.  The default is
.Dq a.out .
.It Fl P Ar page
Specify the first page of the client's segment to be marked
.Sq present ,
where
.Ar page
may be 0 or 1.
.It Fl W Ar page
Specify the first page of the client's segment to be marked
.Sq writable ,
where
.Ar page
may be 0, and should not exceed the number of pages occupied by the
combined .text and .data segments of the client image.
.El
.Sh EXIT STATUS
.Ex -std
.Sh SEE ALSO
.Xr ld 1 ,
.Xr boot 8
.Sh AUTHORS
.An Robert Nordier Aq rnordier@FreeBSD.org .