From owner-freebsd-current@FreeBSD.ORG  Wed Apr  4 12:18:48 2007
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 [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 0865A16A405
	for <current@freebsd.org>; Wed,  4 Apr 2007 12:18:48 +0000 (UTC)
	(envelope-from howard0su@gmail.com)
Received: from nz-out-0506.google.com (nz-out-0506.google.com [64.233.162.233])
	by mx1.freebsd.org (Postfix) with ESMTP id BDBE213C457
	for <current@freebsd.org>; Wed,  4 Apr 2007 12:18:47 +0000 (UTC)
	(envelope-from howard0su@gmail.com)
Received: by nz-out-0506.google.com with SMTP id r28so81637nza
	for <current@freebsd.org>; Wed, 04 Apr 2007 05:18:47 -0700 (PDT)
DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta;
	h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references;
	b=rBAbPotBuDha4fFErN39EPrc3aF0a3O8pYLp4GwNoFb56soDZk9Bj5BB4Kh8K82VjCee+4hA2ThrIrgRAPtt5xSxXW/rvZEWExrHcmQKp8Fi5nrHeu3cnaMMMhPuCKhhWW5vy8/T16adX4peBshDo8Rm7KcedMIMhIbnS3yE4d4=
DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta;
	h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references;
	b=V7EHdDyVO62gFEXOWkXD/f2uNUMwDLLftOLNldFKmYlRzI0mRdPYxfTffg1k3ciYRyp3hUcYOH2pZ7O1KerawG9rG2zfliLQSyn4Z9V/emNnAdyOZCFu33gdVz15F0JO1rBYdfYcuxw3n3lp9QBGyoalqPvMe2V0INezrYDRhzA=
Received: by 10.114.168.1 with SMTP id q1mr197402wae.1175689126413;
	Wed, 04 Apr 2007 05:18:46 -0700 (PDT)
Received: by 10.114.241.12 with HTTP; Wed, 4 Apr 2007 05:18:45 -0700 (PDT)
Message-ID: <f126fae00704040518n21b5ee64id48d98ab85d009b6@mail.gmail.com>
Date: Wed, 4 Apr 2007 20:18:45 +0800
From: "Howard Su" <howard0su@gmail.com>
To: "Ed Schouten" <ed@fxq.nl>
In-Reply-To: <20070404121602.GI14608@hoeg.nl>
MIME-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
References: <f126fae00704040118w25a7b291xdcf1b6300bab1ceb@mail.gmail.com>
	<20070404121602.GI14608@hoeg.nl>
X-Mailman-Approved-At: Wed, 04 Apr 2007 12:44:43 +0000
Cc: current@freebsd.org
Subject: Re: [Review] Remove procfs dependency of truss
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
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, 04 Apr 2007 12:18:48 -0000

On 4/4/07, Ed Schouten <ed@fxq.nl> wrote:
> * Howard Su <howard0su@gmail.com> wrote:
> > Following the suggestion in idea page, I proposed the attached patch.
> > I didn't change any kernel part because I think PTRACE(2) is
> > functional although man page didn't document it.
>
> Indeed. Looking at sys/ptrace.h, there are a lot of instructions that
> aren't documented in the manpage:
>
> - PT_GETNUMLWPS
> - PT_GETLWPLIST
> - PT_CLEARSTEP
> - PT_SETSTEP
> - PT_SUSPEND
> - PT_RESUME
> - PT_TO_SCE
> - PT_TO_SCX
> - PT_SYSCALL
> - PT_FIRSTMACH
As far as i know, PT_TO_SCE, PT_TO_SCX, PT_SYSCALL works well. I use
PT_SYSCALL in my patch.

-- 
-Howard