From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1586 invoked by alias); 3 Dec 2013 03:01:14 -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 1576 invoked by uid 89); 3 Dec 2013 03:01:13 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=0.8 required=5.0 tests=AWL,BAYES_50,RDNS_NONE autolearn=no version=3.3.2 X-HELO: rock.gnat.com Received: from Unknown (HELO rock.gnat.com) (205.232.38.15) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-SHA encrypted) ESMTPS; Tue, 03 Dec 2013 03:01:12 +0000 Received: from localhost (localhost.localdomain [127.0.0.1]) by filtered-rock.gnat.com (Postfix) with ESMTP id 61CE3116838; Mon, 2 Dec 2013 22:01:42 -0500 (EST) Received: from rock.gnat.com ([127.0.0.1]) by localhost (rock.gnat.com [127.0.0.1]) (amavisd-new, port 10024) with LMTP id a-C+QOuJrPBP; Mon, 2 Dec 2013 22:01:42 -0500 (EST) Received: from joel.gnat.com (localhost.localdomain [127.0.0.1]) by rock.gnat.com (Postfix) with ESMTP id 012A7116836; Mon, 2 Dec 2013 22:01:41 -0500 (EST) Received: by joel.gnat.com (Postfix, from userid 1000) id 12967E13F6; Tue, 3 Dec 2013 07:01:01 +0400 (RET) Date: Tue, 03 Dec 2013 03:01:00 -0000 From: Joel Brobecker To: Sandra Loosemore Cc: Chung-Lin Tang , gdb-patches@sourceware.org Subject: Re: [patch, nios2] Update Linux parts for new syscall ABI Message-ID: <20131203030101.GA3114@adacore.com> References: <529AF143.9060704@codesourcery.com> <20131202032333.GN3114@adacore.com> <529C107E.10308@codesourcery.com> <20131202074423.GS3114@adacore.com> <529C46BA.8050403@codesourcery.com> <529CB31A.1050704@codesourcery.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <529CB31A.1050704@codesourcery.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SW-Source: 2013-12/txt/msg00055.txt.bz2 > Given that nios2 GCC, glibc, and Linux kernel ports are not upstream > yet, I think "the community" is primarily using the complete > toolchains packaged by Altera or Mentor Graphics, which already > include a GDB that works with the other old-ABI components packaged > with those toolchains. Altera wants to switch completely to the new > ABI, and there will be no old-ABI compatibility support in future > versions of GCC, glibc, or Linux; why is it needed in GDB? I wasn't saying that this was needed for GDB, just that it usually is very unfriendly to break compatibility if users (what I called the "community" for lack of better words) are allowed to mix and match the various elements of the system. When I see such a deliberate break, I always prefer to make sure that this is OK, so I asked. In your case, you are explaining why this is not a problem, and I see your point. But it is important, IMO, to have that explained, if only for the public record. -- Joel