From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 16396 invoked by alias); 20 Jun 2006 23:28:44 -0000 Received: (qmail 16387 invoked by uid 22791); 20 Jun 2006 23:28:43 -0000 X-Spam-Check-By: sourceware.org Received: from e2.ny.us.ibm.com (HELO e2.ny.us.ibm.com) (32.97.182.142) by sourceware.org (qpsmtpd/0.31) with ESMTP; Tue, 20 Jun 2006 23:28:41 +0000 Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e2.ny.us.ibm.com (8.12.11.20060308/8.12.11) with ESMTP id k5KNSbJI000374 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL) for ; Tue, 20 Jun 2006 19:28:37 -0400 Received: from d01av04.pok.ibm.com (d01av04.pok.ibm.com [9.56.224.64]) by d01relay04.pok.ibm.com (8.13.6/NCO/VER7.0) with ESMTP id k5KNSbTP288554 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 20 Jun 2006 19:28:37 -0400 Received: from d01av04.pok.ibm.com (loopback [127.0.0.1]) by d01av04.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id k5KNSavm025952 for ; Tue, 20 Jun 2006 19:28:36 -0400 Received: from dufur.beaverton.ibm.com (dufur.beaverton.ibm.com [9.47.22.20]) by d01av04.pok.ibm.com (8.12.11.20060308/8.12.11) with ESMTP id k5KNSZLW025925; Tue, 20 Jun 2006 19:28:36 -0400 Subject: Re: Instrcutions that must not be stepped. From: PAUL GILLIAM Reply-To: pgilliam@us.ibm.com To: Paul Koning Cc: drow@false.org, mark.kettenis@xs4all.nl, gdb@sources.redhat.com, drow@false.org In-Reply-To: <17560.22490.629655.738203@gargle.gargle.HOWL> References: <1149726000.10016.71.camel@dufur.beaverton.ibm.com> <20060608022654.GA31271@nevyn.them.org> <1150415676.3346.30.camel@dufur.beaverton.ibm.com> <1150496761.3346.43.camel@dufur.beaverton.ibm.com> <200606180341.k5I3fSHu006233@elgar.sibelius.xs4all.nl> <1150830180.7608.1.camel@dufur.beaverton.ibm.com> <17560.22490.629655.738203@gargle.gargle.HOWL> Content-Type: text/plain Date: Tue, 20 Jun 2006 23:34:00 -0000 Message-Id: <1150842231.7608.8.camel@dufur.beaverton.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.2.2 (2.2.2-5) Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org X-SW-Source: 2006-06/txt/msg00160.txt.bz2 On Tue, 2006-06-20 at 16:17 -0400, Paul Koning wrote: > >>>>> "PAUL" == PAUL GILLIAM writes: > > >> By the way, if stepping these atomic sequences proves to be a > >> performance problem, you might want to consider implementing > >> stepping them in the (Linux) kernel. > > PAUL> This would be cool. It would be nice to be able to tell if the > PAUL> kernel has support for this and let it handle atomic sequences > PAUL> if it does. Let GDB handle it if the kernel doesn't. > > Similarly, in remote debugging, there should be a way to have the stub > handle it. That means you may need some extensions to the stub > protocol to encode some new information... Perhaps something in "qSupported" stuff Danial Jacobowitz is working on? -=# Paul #=-