From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: "N" symbols and System.map Date: Fri, 05 Jun 2009 15:49:39 -0700 Message-ID: <4A29A103.9050007@linux.intel.com> References: <49FB7692.2000508@linux.intel.com> <20090605222650.GM29008@uranus.ravnborg.org> <4A299C00.1010307@linux.intel.com> <20090605223728.GP29008@uranus.ravnborg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mga10.intel.com ([192.55.52.92]:33015 "EHLO fmsmga102.fm.intel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751433AbZFEWth (ORCPT ); Fri, 5 Jun 2009 18:49:37 -0400 In-Reply-To: <20090605223728.GP29008@uranus.ravnborg.org> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Sam Ravnborg Cc: LKML , linux-arch@vger.kernel.org Sam Ravnborg wrote: > On Fri, Jun 05, 2009 at 03:28:16PM -0700, H. Peter Anvin wrote: >> Sam Ravnborg wrote: >>> On Fri, May 01, 2009 at 03:24:18PM -0700, H. Peter Anvin wrote: >>>> Hi all, >>>> >>>> right now, we filter out symbols that nm tag N, meaning "debugging >>>> symbols", from System.map. However, at least on x86, the >>>> linker-generated symbol _end is tagged N, and in fact is the only N in >>>> the entire image. >>>> >>>> Are there other architectures which would suffer if N were included in >>>> System.map, or would that be a reasonable thing to do? >>> Peter - what is status here? >>> >>> Do you see _end tagged N with -tip? >>> We landed a lot of changes to vmlinux.lds there. >>> >>> Needless to say I have not included N symbols for now. >>> >> I haven't checked it for a bit, as my immediate need for it disappeared, >> but I don't think it's changed. > We can revisit this if needed. > FWIW: c43e0000 N _end -hpa