From owner-freebsd-questions@FreeBSD.ORG Wed Apr 20 15:53:24 2011 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8767B106564A for ; Wed, 20 Apr 2011 15:53:24 +0000 (UTC) (envelope-from rjhjr0@gmail.com) Received: from mail-yi0-f54.google.com (mail-yi0-f54.google.com [209.85.218.54]) by mx1.freebsd.org (Postfix) with ESMTP id 3EB3C8FC0C for ; Wed, 20 Apr 2011 15:53:23 +0000 (UTC) Received: by yie12 with SMTP id 12so313332yie.13 for ; Wed, 20 Apr 2011 08:53:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:date:from:to:cc:subject:message-id :mail-followup-to:references:mime-version:content-type :content-disposition:in-reply-to:user-agent; bh=PDD7kLfR9Ijvc3k4MKGM2+EvwB/nq0tk+TnYnlD+rOg=; b=gIv4V9ZqvxZprrO7WAAmKLJZuQaVXsIaFCUUs33baQDA8w5kvT2yhmAygMKJuJFamV ppK4fAnEX2qnFE4ZZxKGxSDu/FIq+SmTic2ispVDQEwop913L3BCjmhsw1SvaNgjfHDy kT7hvMtKfIlceA44qy7rZKqf692SYWD9Yjk34= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:mail-followup-to:references :mime-version:content-type:content-disposition:in-reply-to :user-agent; b=cP5NHBJaCiB+Hp/Koyteu+WoQc5uxXnLfq3TURxHxrVJaFgRlmfASAxJYA7SsZBB8K LjVpWsOXoxA2WK2CevD5ry6Nz85whUjeNnVUIsl3NdFmnBkkUsIw/qVAnVIqyYDunAbz sGOmGGWZoqDo/S6You0W/o214bJUgs1TT3y30= Received: by 10.150.210.6 with SMTP id i6mr6331124ybg.311.1303312921300; Wed, 20 Apr 2011 08:22:01 -0700 (PDT) Received: from localhost (ip98-163-115-74.dc.dc.cox.net [98.163.115.74]) by mx.google.com with ESMTPS id m12sm1715706ybn.12.2011.04.20.08.21.59 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 20 Apr 2011 08:22:00 -0700 (PDT) Date: Wed, 20 Apr 2011 11:21:58 -0400 From: Bob Hall To: akash kumar Message-ID: <20110420152157.GA19451@stainmore> Mail-Followup-To: Bob Hall , akash kumar , freebsd-questions@freebsd.org References: <803438.12229.qm@web95103.mail.in2.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <803438.12229.qm@web95103.mail.in2.yahoo.com> User-Agent: Mutt/1.4.2.3i Cc: freebsd-questions@freebsd.org Subject: Re: Image activator X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Apr 2011 15:53:24 -0000 On Wed, Apr 20, 2011 at 12:48:38AM +0530, akash kumar wrote: > Hi, > > Can someone throw light on what ELF image activators is all about and point > me to some good articles on it. You mean the thingy that starts execution of a file by setting up process memory and remapping the text and initialized data segments into the low part of the address space and setting up the user stack? Aside from a brief mention in McKusick's and Neville-Neil's book on FreeBSD, I haven't found anything on it. I think this is a case of RTFS.