From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leo Famulari Subject: bug#24703: Store references in 8-byte chunks in compiled code Date: Mon, 24 Oct 2016 15:40:22 -0400 Message-ID: <20161024194022.GA1772@jasmine> References: <87mvi5lzqu.fsf@netris.org> <87inssncln.fsf@netris.org> <8737jwnb1c.fsf@netris.org> <87r37gstf6.fsf_-_@netris.org> <87d1j0sl1l.fsf@netris.org> <87a8e4glot.fsf@gnu.org> <8f2024ad-13c1-d4b1-1541-c2a5bddcb403@etorok.net> <87h98bdvng.fsf@gnu.org> <87k2d6qqee.fsf@netris.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:34198) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1byl7J-0005OY-Gn for bug-guix@gnu.org; Mon, 24 Oct 2016 15:41:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1byl7G-0003zU-UU for bug-guix@gnu.org; Mon, 24 Oct 2016 15:41:05 -0400 Received: from debbugs.gnu.org ([208.118.235.43]:39457) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1byl7G-0003zE-QQ for bug-guix@gnu.org; Mon, 24 Oct 2016 15:41:02 -0400 Sender: "Debbugs-submit" Resent-Message-ID: Content-Disposition: inline In-Reply-To: <87k2d6qqee.fsf@netris.org> List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org Sender: "bug-Guix" To: Mark H Weaver Cc: 24703@debbugs.gnu.org On Mon, Oct 17, 2016 at 11:36:57PM -0400, Mark H Weaver wrote: > I've been investigating another approach: to enhance our scanner and > grafter to handle these 8-byte-chunked references. I believe it is > feasible, but only if we abandon the ability to change the file names of > grafts outside of the hash. The reason is that the hash portion of > store references are surrounded by enough other known characters on both > sides that the hash portion is almost always contained entirely within > 8-byte chunks. > > To be continued... Any progress? If not, I think we should start making a list of packages affected by the bug in order to prepare a -fno-builtin-strcpy branch.