From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19533 invoked by alias); 17 Feb 2011 15:49:34 -0000 Received: (qmail 19513 invoked by uid 22791); 17 Feb 2011 15:49:34 -0000 X-SWARE-Spam-Status: No, hits=-2.3 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW X-Spam-Check-By: sourceware.org Received: from mail-qy0-f169.google.com (HELO mail-qy0-f169.google.com) (209.85.216.169) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 17 Feb 2011 15:49:29 +0000 Received: by qyk7 with SMTP id 7so4608433qyk.0 for ; Thu, 17 Feb 2011 07:49:27 -0800 (PST) MIME-Version: 1.0 Received: by 10.224.214.71 with SMTP id gz7mr2735379qab.349.1297957767603; Thu, 17 Feb 2011 07:49:27 -0800 (PST) Received: by 10.224.61.18 with HTTP; Thu, 17 Feb 2011 07:49:27 -0800 (PST) In-Reply-To: <20110217154452.GA18799@kam.mff.cuni.cz> References: <4D5C2DD2.10608@zytor.com> <4D5CEBDE02000078000325A2@vpn.id2.novell.com> <20110217142916.GI13037@sunsite.ms.mff.cuni.cz> <20110217152233.GB11346@atrey.karlin.mff.cuni.cz> <20110217154452.GA18799@kam.mff.cuni.cz> Date: Thu, 17 Feb 2011 15:49:00 -0000 Message-ID: Subject: Re: x32 psABI draft version 0.2 From: "H.J. Lu" To: Jan Hubicka Cc: Jakub Jelinek , Jan Beulich , "H. Peter Anvin" , GCC Development , x32-abi@googlegroups.com, Binutils , GNU C Library Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable 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: 2011-02/txt/msg00217.txt.bz2 On Thu, Feb 17, 2011 at 7:44 AM, Jan Hubicka wrote: >> > According to Mozilla folks however REL+RELA scheme used by EABI leads >> > to significandly smaller libxul.so size >> > >> > According to http://glandium.org/blog/?p=3D1177 the difference is abou= t 4-5MB >> > (out of approximately 20-30MB shared lib) >> >> This is orthogonal to x32 psABI. > > Understood. =A0I am just pointing out that x86-64 Mozilla suffers from st= artup > problems (extra 5MB of disk read needed) compared to both x86 and ARM EABI > because x86-64 ABI is RELA only. If x86-64 ABI was REL+RELA like EABI is,= we > would not have this problem here. > If people want to see REL+RELA in x32, they have to contribute codes. --=20 H.J.