From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 6693 invoked by alias); 2 Aug 2012 20:50:59 -0000 Received: (qmail 6677 invoked by uid 22791); 2 Aug 2012 20:50:58 -0000 X-SWARE-Spam-Status: No, hits=-4.8 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,KHOP_THREADED,RCVD_IN_HOSTKARMA_W,RCVD_IN_HOSTKARMA_WL X-Spam-Check-By: sourceware.org Received: from relay1.mentorg.com (HELO relay1.mentorg.com) (192.94.38.131) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 02 Aug 2012 20:50:45 +0000 Received: from svr-orw-exc-10.mgc.mentorg.com ([147.34.98.58]) by relay1.mentorg.com with esmtp id 1Sx2M0-0002HA-Ap from joseph_myers@mentor.com ; Thu, 02 Aug 2012 13:50:44 -0700 Received: from SVR-IES-FEM-01.mgc.mentorg.com ([137.202.0.104]) by SVR-ORW-EXC-10.mgc.mentorg.com with Microsoft SMTPSVC(6.0.3790.4675); Thu, 2 Aug 2012 13:50:44 -0700 Received: from digraph.polyomino.org.uk (137.202.0.76) by SVR-IES-FEM-01.mgc.mentorg.com (137.202.0.104) with Microsoft SMTP Server id 14.1.289.1; Thu, 2 Aug 2012 21:50:42 +0100 Received: from jsm28 (helo=localhost) by digraph.polyomino.org.uk with local-esmtp (Exim 4.76) (envelope-from ) id 1Sx2Lx-0008EY-Ja; Thu, 02 Aug 2012 20:50:41 +0000 Date: Thu, 02 Aug 2012 20:50:00 -0000 From: "Joseph S. Myers" To: Roland McGrath CC: Steve McIntyre , , Subject: Re: ARM hard-float ABI: add ldconfig flag value In-Reply-To: <20120802172843.AC5092C0DF@topped-with-meat.com> Message-ID: References: <20120727160941.GA13597@linaro.org> <20120802165658.GG24537@linaro.org> <20120802172843.AC5092C0DF@topped-with-meat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Mailing-List: contact libc-ports-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: libc-ports-owner@sourceware.org X-SW-Source: 2012-08/txt/msg00020.txt.bz2 On Thu, 2 Aug 2012, Roland McGrath wrote: > libc-ports@sourceware.org is the right list for discussing ARM. Only for ports patches; the original posting was a patch to a libc file (sysdeps/generic/ldconfig.h). It could have done with more background explanation of what these flag values are and how they are used, and whether and why they do need to be in a single global place rather than each architecture having its own definitions in sysdeps. > OSABI is used in a generic way and should not be used for machine-specific > purposes. An e_flags (EF_*) bit is probably a better choice. There are > already these bits (among others): > #define EF_ARM_SOFT_FLOAT 0x200 > #define EF_ARM_VFP_FLOAT 0x400 > #define EF_ARM_MAVERICK_FLOAT 0x800 > But I don't know the history of their use. Off hand EF_ARM_VFP_FLOAT seems > like it's already what you want, but maybe it has a different meaning (like > just that it uses VFP, not that the ABI specifies using VFP registers in > the calling convention). All those values are for obsolete ABI versions and not defined in AAELF. -- Joseph S. Myers joseph@codesourcery.com