From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from EUR05-AM6-obe.outbound.protection.outlook.com (mail-am6eur05on2062.outbound.protection.outlook.com [40.107.22.62]) by sourceware.org (Postfix) with ESMTPS id 018603858D20 for ; Thu, 13 Apr 2023 14:06:23 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 018603858D20 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=arm.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=armh.onmicrosoft.com; s=selector2-armh-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=zWFS9FcpUsldvbc0/xk3lHiciYYH+VWIS8ZDjsMCjcQ=; b=FhGbJbnji1gdqU8olyqjxtw0KRlxBmwHvaxUqw0FyxFd5m1o3cGaCM/8ewjJJxyWa396qj3vhRjRdh7FORJCx6wgyq6/BvjKxoOeANKqqSXzy78B9UkdUy2eHLkKPokQYt0NquyuninlgNyCTOSXF1HFkXezHSwmGDWnxaUe8Fk= Received: from AS4P190CA0035.EURP190.PROD.OUTLOOK.COM (2603:10a6:20b:5d1::11) by GV1PR08MB8281.eurprd08.prod.outlook.com (2603:10a6:150:a2::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6298.30; Thu, 13 Apr 2023 14:06:20 +0000 Received: from AM7EUR03FT038.eop-EUR03.prod.protection.outlook.com (2603:10a6:20b:5d1:cafe::71) by AS4P190CA0035.outlook.office365.com (2603:10a6:20b:5d1::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6298.32 via Frontend Transport; Thu, 13 Apr 2023 14:06:18 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 63.35.35.123) smtp.mailfrom=arm.com; dkim=pass (signature was verified) header.d=armh.onmicrosoft.com;dmarc=pass action=none header.from=arm.com; Received-SPF: Pass (protection.outlook.com: domain of arm.com designates 63.35.35.123 as permitted sender) receiver=protection.outlook.com; client-ip=63.35.35.123; helo=64aa7808-outbound-1.mta.getcheckrecipient.com; pr=C Received: from 64aa7808-outbound-1.mta.getcheckrecipient.com (63.35.35.123) by AM7EUR03FT038.mail.protection.outlook.com (100.127.140.120) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6298.29 via Frontend Transport; Thu, 13 Apr 2023 14:06:18 +0000 Received: ("Tessian outbound 8b05220b4215:v136"); Thu, 13 Apr 2023 14:06:18 +0000 X-CheckRecipientChecked: true X-CR-MTA-CID: f274863b6265a64b X-CR-MTA-TID: 64aa7808 Received: from d6325cefe678.1 by 64aa7808-outbound-1.mta.getcheckrecipient.com id 8272BF3D-32C3-4CD6-B3E8-003CFAD27E5D.1; Thu, 13 Apr 2023 14:06:11 +0000 Received: from EUR05-AM6-obe.outbound.protection.outlook.com by 64aa7808-outbound-1.mta.getcheckrecipient.com with ESMTPS id d6325cefe678.1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384); Thu, 13 Apr 2023 14:06:11 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=KMfnSeyJjbwxK2Gs2jm/XwwizCFAmrEzmB3pvQWIigIMm/AfucRold/ZbHjRhggrNIvfAhmxGKNF1+r4TOpbtW/ejeLFIgKVyss1fLtOKz9u/Lmclkm7qwJx/t589eRUB++XueC/QlxMwbY5yFWNUW1GmtxQVOGSUtYNsSSzSVTx+njRvUdYbexBF2bPOaXRI7EXyMmFRpOIjWCO3dzIxGvCmIbo2ExMrkXXNIF45XrQCr4XVBFhAB2mJHZ2Ik4K+W65ju1TcIXLS9U/mlZynQQDfQmtZAsrN0u8ZPTX0Lygw3CFUKLJr2Wj4XZd7MH5/BueshamGzv6dBzxTdXrug== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=zWFS9FcpUsldvbc0/xk3lHiciYYH+VWIS8ZDjsMCjcQ=; b=WeBjbGClBW/vUoAUsNov76Z/1A6T3v07FkRu2/jWPqEXtfncUn6kvs2EoVXEEvqvMQ2Q9r4IgFbOjU07efUktczgxMfUZbWAeauEpfcRygS5m6dRVUuilf+kZh0Y2weTFHZWyCGwTr5tFfoRzhwTK2uUhM00YCClADw6CssY20n0h80c/a9Uw+hOxV7aNpvrY2wEGKWb8iEk5RhHtXYdwZqugtdDZV92T4ZXq4l6Ygxv029zaDGiImHCtxPGKUQ0J0I1qUgG2Y0QUK944DXjvhtJWRnvGR2HDWzu3vIV/o8zelzg1XGXFdyK6cEESQZt8Sjvtha99LdcJ4oi39ko2w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=arm.com; dmarc=pass action=none header.from=arm.com; dkim=pass header.d=arm.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=armh.onmicrosoft.com; s=selector2-armh-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=zWFS9FcpUsldvbc0/xk3lHiciYYH+VWIS8ZDjsMCjcQ=; b=FhGbJbnji1gdqU8olyqjxtw0KRlxBmwHvaxUqw0FyxFd5m1o3cGaCM/8ewjJJxyWa396qj3vhRjRdh7FORJCx6wgyq6/BvjKxoOeANKqqSXzy78B9UkdUy2eHLkKPokQYt0NquyuninlgNyCTOSXF1HFkXezHSwmGDWnxaUe8Fk= Authentication-Results-Original: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com; Received: from VI1PR08MB3919.eurprd08.prod.outlook.com (2603:10a6:803:c4::31) by AS2PR08MB8880.eurprd08.prod.outlook.com (2603:10a6:20b:5f7::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6277.38; Thu, 13 Apr 2023 14:06:01 +0000 Received: from VI1PR08MB3919.eurprd08.prod.outlook.com ([fe80::ff70:5431:70fa:34bf]) by VI1PR08MB3919.eurprd08.prod.outlook.com ([fe80::ff70:5431:70fa:34bf%5]) with mapi id 15.20.6298.030; Thu, 13 Apr 2023 14:06:01 +0000 Message-ID: Date: Thu, 13 Apr 2023 15:05:59 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.0 Subject: Re: [PATCH, v2] [gdb/aarch64] pauth: Create new feature string for pauth to prevent crashing older gdb's Content-Language: en-US To: Tom Tromey , Luis Machado via Gdb-patches Cc: alex.bennee@linaro.org, richard.henderson@linaro.org, peter.maydell@linaro.org, eliz@gnu.org References: <20230411224327.2142994-1-luis.machado@arm.com> <20230412122722.2606425-1-luis.machado@arm.com> <87mt3b6g2q.fsf@tromey.com> From: Luis Machado In-Reply-To: <87mt3b6g2q.fsf@tromey.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: LO4P123CA0605.GBRP123.PROD.OUTLOOK.COM (2603:10a6:600:314::7) To VI1PR08MB3919.eurprd08.prod.outlook.com (2603:10a6:803:c4::31) MIME-Version: 1.0 X-MS-TrafficTypeDiagnostic: VI1PR08MB3919:EE_|AS2PR08MB8880:EE_|AM7EUR03FT038:EE_|GV1PR08MB8281:EE_ X-MS-Office365-Filtering-Correlation-Id: d3487ee8-7a2e-460d-01a0-08db3c2840b2 x-checkrecipientrouted: true NoDisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; X-Microsoft-Antispam-Message-Info-Original: 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 X-Forefront-Antispam-Report-Untrusted: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:VI1PR08MB3919.eurprd08.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230028)(4636009)(39860400002)(376002)(136003)(396003)(346002)(366004)(451199021)(31686004)(36756003)(5660300002)(38100700002)(44832011)(4744005)(31696002)(8676002)(86362001)(8936002)(41300700001)(4326008)(66946007)(66476007)(66556008)(2906002)(6506007)(2616005)(83380400001)(478600001)(6512007)(53546011)(110136005)(316002)(26005)(6486002)(186003)(43740500002)(45980500001);DIR:OUT;SFP:1101; X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS2PR08MB8880 Original-Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com; X-EOPAttributedMessage: 0 X-MS-Exchange-Transport-CrossTenantHeadersStripped: AM7EUR03FT038.eop-EUR03.prod.protection.outlook.com X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id-Prvs: 4099e4ed-ee86-4a28-65eb-08db3c28364b X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:63.35.35.123;CTRY:IE;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:64aa7808-outbound-1.mta.getcheckrecipient.com;PTR:ec2-63-35-35-123.eu-west-1.compute.amazonaws.com;CAT:NONE;SFS:(13230028)(4636009)(136003)(39860400002)(346002)(376002)(396003)(451199021)(36840700001)(40470700004)(46966006)(36860700001)(40480700001)(82740400003)(2616005)(336012)(47076005)(53546011)(40460700003)(6506007)(6512007)(2906002)(26005)(186003)(82310400005)(81166007)(356005)(8936002)(83380400001)(4744005)(70206006)(70586007)(86362001)(6486002)(478600001)(36756003)(31686004)(44832011)(5660300002)(316002)(4326008)(8676002)(41300700001)(31696002)(110136005)(43740500002);DIR:OUT;SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Apr 2023 14:06:18.3885 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d3487ee8-7a2e-460d-01a0-08db3c2840b2 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: AM7EUR03FT038.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: GV1PR08MB8281 X-Spam-Status: No, score=-5.8 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,FORGED_SPF_HELO,KAM_DMARC_NONE,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,RCVD_IN_VALIDITY_RPBL,SPF_HELO_PASS,SPF_NONE,TXREP,UNPARSEABLE_RELAY autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 4/13/23 14:56, Tom Tromey wrote: >>>>>> "Luis" == Luis Machado via Gdb-patches writes: > > Luis> +In the future the @samp{org.gnu.gdb.aarch64.pauth} feature string might be > Luis> +deprecated in favor of feature string @samp{org.gnu.gdb.aarch64.pauth_v2}. > > Is there a particular reason to say "might be", rather than just > deprecate it directly? Like would gdb ever go back to the non _v2 > feature name? Not really. I was going for flexibility. But in this case, we won't go back to using the old feature string. We just need to use the old one for backwards compatibility while we wait for older broken gdb's to vanish. I'll update it.