From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 35739 invoked by alias); 29 May 2015 17:07:40 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 35728 invoked by uid 89); 29 May 2015 17:07:40 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.4 required=5.0 tests=AWL,BAYES_00,KAM_LAZY_DOMAIN_SECURITY,SPF_HELO_PASS,T_RP_MATCHES_RCVD autolearn=no version=3.3.2 X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-GCM-SHA384 encrypted) ESMTPS; Fri, 29 May 2015 17:07:39 +0000 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (Postfix) with ESMTPS id 61B78389DA7; Fri, 29 May 2015 17:07:38 +0000 (UTC) Received: from [127.0.0.1] (ovpn01.gateway.prod.ext.ams2.redhat.com [10.39.146.11]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t4TH7axx010239; Fri, 29 May 2015 13:07:37 -0400 Message-ID: <55689CD8.8070808@redhat.com> Date: Fri, 29 May 2015 17:07:00 -0000 From: Pedro Alves User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 MIME-Version: 1.0 To: Roland McGrath CC: GDB Subject: Re: [PATCH users/roland/osabi] Recognize GNU .note.ABI-tag values 5 (syllable) and 6 (nacl) References: <55683F9E.7020902@redhat.com> In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-SW-Source: 2015-05/txt/msg00725.txt.bz2 On 05/29/2015 05:47 PM, Roland McGrath wrote: > On Fri, May 29, 2015 at 3:29 AM, Pedro Alves wrote: >> I think adding the constants to include/elf/common.h, > > I've already committed common.h based on the binutils approval. > >> and making >> generic_elf_osabi_sniff_abi_tag_sections recognize syllable and nacl, >> avoiding the internal_error (or warning after your other patch) is OK >> and could go to the 7.9 branch. Please split that out to a separate patch. > > Do you mean just silently ignoring these values? I do. > >> The rest of the gdb bits can be considered for trunk. I don't think we want >> GDB_OSABI_SYLLABLE exposed to the rest of the gdb (I don't know anything >> about Syllable either), and to users (both "set osabi" and xml target >> descriptions). We may need to expose GDB_OSABI_NACL, but that's probably >> best added along with the nacl port, assuming there's one. > > OK. I'll ignore Syllable entirely, since I was only doing it for > completeness. > > For NaCl, I'll investigate further before proposing something. We have a > patch that is mostly about x86 and needs some cleanup (or probably complete > rewriting). NaCl's x86-64 is particularly odd and I don't want to worry > about the weird cruft we have for that right now. At the moment, I'm > focused on on arm-nacl. NaCl is an all-remote target (the only kind of > "native" debugging interface available is a gdb stub). So there really is > almost nothing to do. But when I get some time I'll look into building > --target=arm-nacl on trunk and see what it needs. OK. Looking forward to hear about this. Thanks, Pedro Alves