From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca (simark.ca [158.69.221.121]) by sourceware.org (Postfix) with ESMTPS id 9112C3857C49 for ; Tue, 4 Aug 2020 13:21:05 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 9112C3857C49 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=simark.ca Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=simark@simark.ca Received: from [10.0.0.11] (173-246-6-90.qc.cable.ebox.net [173.246.6.90]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by simark.ca (Postfix) with ESMTPSA id 19C731E4BC; Tue, 4 Aug 2020 09:21:05 -0400 (EDT) Subject: Re: [PATCH v5 1/4] arc: Add ARCv2 XML target along with refactoring To: Shahab Vahedi Cc: Francois Bedard , Anton Kolesov , Shahab Vahedi , Tom Tromey , gdb-patches@sourceware.org References: <20200326125206.13120-1-shahab.vahedi@gmail.com> <20200804085742.1458-1-shahab.vahedi@gmail.com> <20200804085742.1458-2-shahab.vahedi@gmail.com> <9601ee94-e38c-460d-e044-b7b7a7400d2e@simark.ca> <20200804131827.GC1586@gmail.com> From: Simon Marchi Message-ID: Date: Tue, 4 Aug 2020 09:20:57 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200804131827.GC1586@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: fr Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-4.5 required=5.0 tests=BAYES_00, KAM_DMARC_STATUS, NICE_REPLY_A, SPF_HELO_PASS, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Aug 2020 13:21:06 -0000 On 2020-08-04 9:18 a.m., Shahab Vahedi via Gdb-patches wrote: > On Tue, Aug 04, 2020 at 09:08:39AM -0400, Simon Marchi wrote: >> Does that cause backwards compatibility issues? Could someone have written a gdb stub >> returning an XML target description containing the old feature names, which will now not >> work due to these name changes? > > Yes! > Do you see a way we could keep backwards compatibility? Like a way to introduce the new names, but still make the old names work? Simon