Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763239AbZCYRSX (ORCPT ); Wed, 25 Mar 2009 13:18:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755682AbZCYRSF (ORCPT ); Wed, 25 Mar 2009 13:18:05 -0400 Received: from caramon.arm.linux.org.uk ([78.32.30.218]:60338 "EHLO caramon.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753016AbZCYRSD (ORCPT ); Wed, 25 Mar 2009 13:18:03 -0400 Date: Wed, 25 Mar 2009 17:17:27 +0000 From: Russell King - ARM Linux To: Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= Cc: Tim Bird , Frederic Weisbecker , Abhishek Sagar , linux-arm-kernel , linux kernel , Steven Rostedt , Ingo Molnar Subject: Re: Anyone working on ftrace function graph support on ARM? Message-ID: <20090325171727.GH2952@n2100.arm.linux.org.uk> References: <49C936CA.8070800@am.sony.com> <20090324213618.GC5975@nowhere> <49C95EAF.7030901@gmail.com> <20090324224857.GE5975@nowhere> <20090325084248.GF4697@n2100.arm.linux.org.uk> <49CA5CFF.8090908@am.sony.com> <20090325170533.GA4667@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20090325170533.GA4667@pengutronix.de> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 903 Lines: 17 On Wed, Mar 25, 2009 at 06:05:33PM +0100, Uwe Kleine-K?nig wrote: > On Wed, Mar 25, 2009 at 09:34:07AM -0700, Tim Bird wrote: > > Russell King - ARM Linux wrote: > > > As pointed out in my previous mail, identifying where on the stack the > > > return address is stored is only possible for OABI with frame pointers. > > > > > > EABI will probably be possible with the stack unwinding code, but it > > > probably won't be cheap. The EABI unwinder is scheduled for merging > > > during the present now-open merge window. > EABI with frame pointers should work, too, shouldn't it? Yes, as I said at the top of my reply dated Wed, 25 Mar 2009 09:57:51 +0000 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/