From owner-freebsd-hackers@FreeBSD.ORG Mon Jul 24 04:24:41 2006 Return-Path: X-Original-To: hackers@freebsd.org Delivered-To: freebsd-hackers@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 12E0216A4DA for ; Mon, 24 Jul 2006 04:24:41 +0000 (UTC) (envelope-from julian@elischer.org) Received: from a50.ironport.com (a50.ironport.com [63.251.108.112]) by mx1.FreeBSD.org (Postfix) with ESMTP id D45D643D46 for ; Mon, 24 Jul 2006 04:24:40 +0000 (GMT) (envelope-from julian@elischer.org) Received: from unknown (HELO [192.168.2.2]) ([10.251.60.31]) by a50.ironport.com with ESMTP; 23 Jul 2006 21:24:40 -0700 Message-ID: <44C44B87.8070100@elischer.org> Date: Sun, 23 Jul 2006 21:24:39 -0700 From: Julian Elischer User-Agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.7.13) Gecko/20060414 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Divacky Roman References: <20060723112332.GA83581@stud.fit.vutbr.cz> In-Reply-To: <20060723112332.GA83581@stud.fit.vutbr.cz> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: hackers@freebsd.org Subject: Re: i386 registers during a syscall X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Jul 2006 04:24:41 -0000 Divacky Roman wrote: >hi, > >I need to get content of %esi register as it was during a syscall. Should I get >this info from td->td_pcb->pcb_esi or td->td_frame->tf_esi? > >Is it so that trapframe is "content of registers when entering a kernel" and >pcb is "when leaving a kernel" ? > > pcb is when the process is sleeping or otherwise suspended. frame is when enterring the kernel, and reloaded when leaving the kernel >thnx for info > >roman > > >---------------------- >www.liberalnistrana.cz >_______________________________________________ >freebsd-hackers@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-hackers >To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" > >