From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1870 invoked by alias); 15 Jul 2010 14:18:07 -0000 Received: (qmail 1854 invoked by uid 22791); 15 Jul 2010 14:18:06 -0000 X-SWARE-Spam-Status: No, hits=-2.0 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE X-Spam-Check-By: sourceware.org Received: from mail-pz0-f41.google.com (HELO mail-pz0-f41.google.com) (209.85.210.41) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 15 Jul 2010 14:18:02 +0000 Received: by pzk33 with SMTP id 33so573258pzk.0 for ; Thu, 15 Jul 2010 07:18:00 -0700 (PDT) Received: by 10.114.66.10 with SMTP id o10mr275281waa.169.1279203480367; Thu, 15 Jul 2010 07:18:00 -0700 (PDT) Received: from bubble.grove.modra.org ([115.187.252.19]) by mx.google.com with ESMTPS id 33sm4917481wad.18.2010.07.15.07.17.57 (version=TLSv1/SSLv3 cipher=RC4-MD5); Thu, 15 Jul 2010 07:17:59 -0700 (PDT) Received: by bubble.grove.modra.org (Postfix, from userid 1000) id 6D211170C1EB; Thu, 15 Jul 2010 23:47:53 +0930 (CST) Date: Thu, 15 Jul 2010 14:18:00 -0000 From: Alan Modra To: "H.J. Lu" Cc: Andreas Schwab , David Stubbs , binutils@sourceware.org Subject: Re: VMA section overlap warnings for overlays Message-ID: <20100715141753.GI31087@bubble.grove.modra.org> Mail-Followup-To: "H.J. Lu" , Andreas Schwab , David Stubbs , binutils@sourceware.org References: <20100421082441.GG3510@bubble.grove.modra.org> <4D60B0700D1DB54A8C0C6E9BE69163700E7815C7@EXCHANGEVS.IceraSemi.local> <20100422011106.GI3510@bubble.grove.modra.org> <20100422015303.GK3510@bubble.grove.modra.org> <4D60B0700D1DB54A8C0C6E9BE69163700E7F2F15@EXCHANGEVS.IceraSemi.local> <20100424021750.GQ3510@bubble.grove.modra.org> <20100715130955.GH31087@bubble.grove.modra.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) X-IsSubscribed: yes Mailing-List: contact binutils-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: binutils-owner@sourceware.org X-SW-Source: 2010-07/txt/msg00193.txt.bz2 On Thu, Jul 15, 2010 at 06:53:39AM -0700, H.J. Lu wrote: > On Thu, Jul 15, 2010 at 6:46 AM, Andreas Schwab wrote: > > The sh_offset of .branch_lt no longer agrees with sh_addr modulo segment > > alignment. > > What is an empty section used for? This particular section stores addresses used by long branch stubs. I'd be happier if it was eliminated when no long branch stubs were needed, but that turns out to be difficult. So unfortunately ppc64 binaries get these zero sized sections. -- Alan Modra Australia Development Lab, IBM