From owner-freebsd-current@FreeBSD.ORG  Wed Mar 29 06:11:37 2006
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
X-Original-To: current@freebsd.org
Delivered-To: freebsd-current@FreeBSD.ORG
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 4B72E16A400
	for <current@freebsd.org>; Wed, 29 Mar 2006 06:11:37 +0000 (UTC)
	(envelope-from jmg@hydrogen.funkthat.com)
Received: from hydrogen.funkthat.com (gate.funkthat.com [69.17.45.168])
	by mx1.FreeBSD.org (Postfix) with ESMTP id DCDA643D49
	for <current@freebsd.org>; Wed, 29 Mar 2006 06:11:36 +0000 (GMT)
	(envelope-from jmg@hydrogen.funkthat.com)
Received: from hydrogen.funkthat.com (z6h2f15b0ix4tn03@localhost.funkthat.com
	[127.0.0.1])
	by hydrogen.funkthat.com (8.13.4/8.13.3) with ESMTP id k2T6BaGB057472; 
	Tue, 28 Mar 2006 22:11:36 -0800 (PST)
	(envelope-from jmg@hydrogen.funkthat.com)
Received: (from jmg@localhost)
	by hydrogen.funkthat.com (8.13.4/8.13.3/Submit) id k2T6BZuj057471;
	Tue, 28 Mar 2006 22:11:35 -0800 (PST) (envelope-from jmg)
Date: Tue, 28 Mar 2006 22:11:35 -0800
From: John-Mark Gurney <gurney_j@resnet.uoregon.edu>
To: Stanley Jobson <Stanley.Jobson@gmx.ch>
Message-ID: <20060329061135.GP7001@funkthat.com>
Mail-Followup-To: Stanley Jobson <Stanley.Jobson@gmx.ch>, current@freebsd.org
References: <24143.1143531014@www098.gmx.net> <9531.1143531289@www098.gmx.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <9531.1143531289@www098.gmx.net>
User-Agent: Mutt/1.4.2.1i
X-Operating-System: FreeBSD 5.4-RELEASE-p6 i386
X-PGP-Fingerprint: B7 EC EF F8 AE ED A7 31  96 7A 22 B3 D8 56 36 F4
X-Files: The truth is out there
X-URL: http://resnet.uoregon.edu/~gurney_j/
X-Resume: http://resnet.uoregon.edu/~gurney_j/resume.html
Cc: current@freebsd.org
Subject: Re: KLD technical docs
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
Reply-To: John-Mark Gurney <gurney_j@resnet.uoregon.edu>
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 29 Mar 2006 06:11:37 -0000

Stanley Jobson wrote this message on Tue, Mar 28, 2006 at 09:34 +0200:
> for my master thesis i am looking for technical docs about
> dynamic linking esp. about the kernel dynamic linker facility.
> 
> i found some good docs about dynamic linking in general but
> nothing about KLD/LKM.
> 
> are there any technical docs on KLD? I read the short chapter
> in the arch handbook but thats not much info.
> 
> i am interested in docs answering the following questions:
> - how does the dynamic loading and linking work for KLDs/LKMs?
> - does this anything has to do with libbfd, libdl or rtld?
> - how are dependencies handled?
> 
> technical info to LKM and dynamic linking facility of the other
> BSDs would be also interesting :)

The best technical doc is src/sys/kern/kern_linker.c...  :)  That
handles all the magic of SYSINIT's, sysctl's and the other magic of
kernel modules...

-- 
  John-Mark Gurney				Voice: +1 415 225 5579

     "All that I will do, has been done, All that I have, has not."