From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <systemtap-return-5819-listarch-systemtap=sources.redhat.com@sourceware.org>
Received: (qmail 17518 invoked by alias); 16 Mar 2007 19:02:29 -0000
Received: (qmail 17509 invoked by uid 22791); 16 Mar 2007 19:02:28 -0000
X-Spam-Status: No, hits=-2.4 required=5.0 	tests=AWL,BAYES_00,SPF_HELO_PASS,SPF_PASS
X-Spam-Check-By: sourceware.org
Received: from mx1.redhat.com (HELO mx1.redhat.com) (66.187.233.31)     by sourceware.org (qpsmtpd/0.31) with ESMTP; Fri, 16 Mar 2007 19:02:21 +0000
Received: from int-mx1.corp.redhat.com (int-mx1.corp.redhat.com [172.16.52.254]) 	by mx1.redhat.com (8.13.1/8.13.1) with ESMTP id l2GJ2JvP008455; 	Fri, 16 Mar 2007 15:02:19 -0400
Received: from pobox.toronto.redhat.com (pobox.toronto.redhat.com [172.16.14.4]) 	by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id l2GJ2CEK009243; 	Fri, 16 Mar 2007 15:02:14 -0400
Received: from touchme.toronto.redhat.com (IDENT:postfix@touchme.toronto.redhat.com [172.16.14.9]) 	by pobox.toronto.redhat.com (8.12.11.20060308/8.12.11) with ESMTP id l2GJ2CD8010958; 	Fri, 16 Mar 2007 15:02:12 -0400
Received: from ton.toronto.redhat.com (ton.toronto.redhat.com [172.16.14.15]) 	by touchme.toronto.redhat.com (Postfix) with ESMTP 	id 2A74880019E; Fri, 16 Mar 2007 14:02:12 -0500 (EST)
Received: from ton.toronto.redhat.com (localhost.localdomain [127.0.0.1]) 	by ton.toronto.redhat.com (8.13.1/8.13.1) with ESMTP id l2GJ2Bqw026906; 	Fri, 16 Mar 2007 15:02:11 -0400
Received: (from fche@localhost) 	by ton.toronto.redhat.com (8.13.1/8.13.1/Submit) id l2GJ2Blq026905; 	Fri, 16 Mar 2007 15:02:11 -0400
Date: Fri, 16 Mar 2007 19:02:00 -0000
From: "Frank Ch. Eigler" <fche@redhat.com>
To: Jim Keniston <jkenisto@us.ibm.com>
Cc: systemtap@sources.redhat.com
Subject: Re: breakpoint assistance: single-step out of line
Message-ID: <20070316190211.GY27273@redhat.com>
References: <20070304213811.A6E181801C4@magilla.sf.frob.com> <y0mlkhxe0v8.fsf@ton.toronto.redhat.com> <1174067655.3666.5.camel@ibm-ni9dztukfq8.beaverton.ibm.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1174067655.3666.5.camel@ibm-ni9dztukfq8.beaverton.ibm.com>
User-Agent: Mutt/1.4.1i
Mailing-List: contact systemtap-help@sourceware.org; run by ezmlm
Precedence: bulk
List-Id: <systemtap.sourceware.org>
List-Subscribe: <mailto:systemtap-subscribe@sourceware.org>
List-Post: <mailto:systemtap@sourceware.org>
List-Help: <mailto:systemtap-help@sourceware.org>, <http://sourceware.org/lists.html#faqs>
Sender: systemtap-owner@sourceware.org
X-SW-Source: 2007-q1/txt/msg00593.txt.bz2

Hi -

On Fri, Mar 16, 2007 at 10:54:15AM -0700, Jim Keniston wrote:
> [...]
> Under what circumstances can a user program rewrite its own text?

After an mprotect?  Or someone else doing a ptrace write?

- FChE