X-Recipient: archive-cygwin@delorie.com X-Spam-Check-By: sourceware.org Date: Thu, 24 Jan 2013 13:08:04 +0100 From: Corinna Vinschen To: cygwin@cygwin.com Subject: Re: Binutils objcopy bug (was Re: rebase segfault) Message-ID: <20130124120804.GA32717@calimero.vinschen.de> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: <20130115112406.GA13752@calimero.vinschen.de> <50F5D246.6010902@gmail.com> <50F653AB.80102@gmail.com> <20130116123509.GA16991@calimero.vinschen.de> <50F6AD63.8080106@gmail.com> <20130124030145.22fa143f@YAAKOV04> <20130124092746.GC8311@calimero.vinschen.de> <510103AF.3080305@gmail.com> <20130124100037.GB24121@calimero.vinschen.de> <510109F8.5020504@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <510109F8.5020504@gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com On Jan 24 11:16, marco atzeri wrote: > On 1/24/2013 11:00 AM, Corinna Vinschen wrote: > >On Jan 24 10:49, marco atzeri wrote: > >>Please note that rebase segfaults on dict_snowball.dll the first time > >>but any subsequent rebasing, also with different start address, > >>works without any problem, so it is possible that we had other > >>dll with the same problem but we never noticed > > > >I already explained why: The SEGV happens during relocation. > >The file header has been changed already. If you call the > >same rebase, it will try to rebase the file to the same new > >address. If current file base address == requested file base > >address, rebase will return without performing any action. > > I was not clear. > Also rebasing with a different address make no difference It does for me: $ rebase -b 0x40000000 dict_snowball.dll Segmentation fault $ rebase -b 0x50000000 dict_snowball.dll Segmentation fault $ rebase -b 0x40000000 dict_snowball.dll Segmentation fault $ Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple