From nobody Thu May 9 20:59:42 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; arc=pass (i=1 dmarc=pass fromdomain=citrix.com); dmarc=pass(p=reject dis=none) header.from=citrix.com ARC-Seal: i=2; a=rsa-sha256; t=1651760553; cv=pass; d=zohomail.com; s=zohoarc; b=HPqrdAXLWZJv9vIv9IqqM9b6fQmGWW55/MJV2UAi+fu3oRlB8/e1bGAHHUpXlIW131Lx1yucvpWJm6cCDOZr/2j3GNt7znXRKOHtogKP2OZR6Ju+kVfSlHMAuevycoY7ht4EM5ioLf75kouarj6rT7mpWr9q/xGDCdBiUNlMVWY= ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1651760553; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To; bh=Z7MknCtDaFKJ46I5qllMrt5+TW3heupIj0BoyuJe41E=; b=AS5cp10l3j1SgpzqInkMIjH9cka8n8tcWDc4ImZoxUWfVgupIl2/tmoBerXvliRwsv1/8cBAwdPT6IaZKj95bLpMnWlSMTwGJS2VM+xXLI8veJQsJ1V1Rzeo0am9IjpLEbBMSCVbvYmsCQ+9wKLBKjOizo+x1LghbTcb4BUlV7A= ARC-Authentication-Results: i=2; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; arc=pass (i=1 dmarc=pass fromdomain=citrix.com); dmarc=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1651760553460443.11449747045685; Thu, 5 May 2022 07:22:33 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.322166.543383 (Exim 4.92) (envelope-from ) id 1nmcMh-0004SD-JD; Thu, 05 May 2022 14:21:59 +0000 Received: by outflank-mailman (output) from mailman id 322166.543383; Thu, 05 May 2022 14:21:59 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nmcMh-0004S6-Ff; Thu, 05 May 2022 14:21:59 +0000 Received: by outflank-mailman (input) for mailman id 322166; Thu, 05 May 2022 14:21:58 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nmcMf-0004Rk-Ve for xen-devel@lists.xenproject.org; Thu, 05 May 2022 14:21:58 +0000 Received: from esa3.hc3370-68.iphmx.com (esa3.hc3370-68.iphmx.com [216.71.145.155]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id b67c7ad8-cc7e-11ec-a406-831a346695d4; Thu, 05 May 2022 16:21:56 +0200 (CEST) Received: from mail-bn8nam12lp2171.outbound.protection.outlook.com (HELO NAM12-BN8-obe.outbound.protection.outlook.com) ([104.47.55.171]) by ob1.hc3370-68.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 05 May 2022 10:21:53 -0400 Received: from DS7PR03MB5608.namprd03.prod.outlook.com (2603:10b6:5:2c9::18) by BN7PR03MB4498.namprd03.prod.outlook.com (2603:10b6:408:8::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5206.24; Thu, 5 May 2022 14:21:49 +0000 Received: from DS7PR03MB5608.namprd03.prod.outlook.com ([fe80::5df3:95ce:4dfd:134e]) by DS7PR03MB5608.namprd03.prod.outlook.com ([fe80::5df3:95ce:4dfd:134e%5]) with mapi id 15.20.5206.027; Thu, 5 May 2022 14:21:49 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: b67c7ad8-cc7e-11ec-a406-831a346695d4 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=citrix.com; s=securemail; t=1651760516; h=from:to:cc:subject:date:message-id: content-transfer-encoding:mime-version; bh=FekeaUWBEPvsa1kauS8Lrvz0i2Fk/3Hn8bhVKZtxtdE=; b=RqM/MGXQ5doQxITtVIN6bLqEqdV50Q4xUFpqWoAdUq9PXUmcWwAZovsF 6AT3XeozZIpJNkAuDibQxPz5OCftLkar8M1beHq7gUII5R/3Sui96NUCk sYF4naMwnuKVmKh9VqRutc1Mv2cNPUh9TjNd+Tl8N8oGBQtF7eqf20w8d 0=; X-IronPort-RemoteIP: 104.47.55.171 X-IronPort-MID: 70654682 X-IronPort-Reputation: None X-IronPort-Listener: OutboundMail X-IronPort-SenderGroup: RELAY_O365 X-IronPort-MailFlowPolicy: $RELAYED IronPort-Data: A9a23:idicdqiYzyTitl3z1BypOvv2X161fBEKZh0ujC45NGQN5FlHY01je htvD26EbqzfNzP0ft0iPNji/EhXuJ/Vz9RnSwRsqXs3Ey8b9cadCdqndUqhZCn6wu8v7a5EA 2fyTvGacajYm1eF/k/F3oDJ9CU6jefSLlbFILas1hpZHGeIcw98z0M68wIFqtQw24LhXlvQ4 YmaT/D3YzdJ5RYlagr41IrbwP9flKyaVOQw5wFWiVhj5TcyplFNZH4tDfjZw0jQG+G4KtWSV efbpIxVy0uCl/sb5nFJpZ6gGqECaua60QFjERO6UYD66vRJjnRaPqrWqJPwwKqY4tmEt4kZ9 TlDiXC/YS0XIZ2dl9kTbytdKz0uL6p42ubsfHfq5KR/z2WeG5ft69NHKRhseKc+qqNwC2wI8 uEEIjcQaBzFn/ix3L+wVuhrgIIkMdXvO4Qc/HpnyFk1D95/GcyFH/qMuIIehWhp7ixNNa+2i 84xcz1gYQ6GexRSElwWFIg/jKGjgXyXnzhw9wrL+PZpszK7IApZ64bCHtmOZYC2f/pfvxqlr 0SW8TrkDURPXDCY4X/fmp62vcffkCW+VI8MGbmQ8v9xnEbV1mEVEAcRV1awvb++kEHWc9BVJ lEQ+yEuhbMv70HtRd74NzW6vXqFsxg0S9dWVeog52ml0bHI6gyUAmwFSD9pa9E8ssIyAzsw2 TehgNfBFTFp9rqPRhqgGqy8qDqzPW0fKz8EbCpdFw8duYC8+cc0kw7FSctlHOitlNrpFDrsw jeM6i8jm7EUis1N3KK+lbzavw+RSlHyZlZdzm3qsqiNtWuVuKbNi1SU1GXm IronPort-HdrOrdr: A9a23:FG51960rgq1FmATMbQgXQwqjBVRyeYIsimQD101hICG9Lfb0qy n+pp4mPEHP4wr5OEtOpTlPAtjjfZq6z+8M3WBxB8baYOCCggeVxe5ZnO/fKlHbexEWldQtqJ uIDZIOb+EYZGIS5aia3ODRKadb/DDtytHMuQ6x9QYPcek8AJsQlDuRRzzrZXFedU1jP94UBZ Cc7s1Iq36JfmkWVN2yAj0gU/LYr9PGuZr6aVpebiRXoTWmvHeN0vrXAhKY1hARX3dmxqojy3 HMl0jc6r+4u/+25xfA3yv47ohQmvHm1txfbfb8/PQ9G3HJsEKFdY5hU7qNsHQcp/yu0k8jlJ 32rxIpL61ImgHsV1DwhSGo9xjr0T4o5XOn40Sfm2HfrcvwQy9/I9ZdhKpCGyGppnYIjZVZ6u ZmzmiZv51YAVfrhyLm/eXFUBlsiw6dvWciq+gOlHZSOLFuIoO5lbZvs3+9La1wUh4TsOscYa hT5YDnlb1rmGqhHjzkVjIF+q3tYpwxdi32MXTq9PblkAS+p0oJsHfw9PZv4kvoy6hNNaWsn9 60VJiAtIs+O/P+PpgNcNvof6OMex3waCOJFl6uCnLaM4xCE07xivfMkcUIDaeRCdQ18Kc= X-IronPort-AV: E=Sophos;i="5.91,201,1647316800"; d="scan'208";a="70654682" ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=IRTL7eEPp/pH1JOGaXI82hTPJz1Fvf1J/QI32WbabZM+BxEuydzceYYqpv/SUl3nbzNSwYFHzbC93h75qIHhW5CUIE9ebwvwyyNOoR1s/wga/n0jvpssaaMtnrFHZQ7pDvhYS4aCce+7YQoTEhts8KeYTRmG+K8Q/VOQNcMQHzbox38g+rNBeVUbGvnea91DIk4RNVxgZPUpC1oyRC/TNUc1K0VgQ366OkAQDUJAt0jVcaOe6S0zP/b0vMWRZzh5uvhnu7X8ltxNWbr1QlJivaUEzKVB/huMpYc9QBN1iPbsk+zqceINp4pLb7pMiF5ajSouxz5RR+VjTbsHqZqX4g== 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=Z7MknCtDaFKJ46I5qllMrt5+TW3heupIj0BoyuJe41E=; b=jZOswFuX5NwWLWTngYUiEfb1utJZxRyLPAnsyJDUeZMYpP6CyY9XNmx3LCbIowxx4Tbzm+2bgUILLOkDN/l4HtA7IcuNH+5HN3vMsiQsOZNGAqvY5B+SZcBQvnZJkamm49kR6rwpMUhQnRBE6/L2/kAfA33gV6+n3hFGlBdOaKI7vDRbAik4SEmM2igfpgdTgWtoy9rgkuIA37bVGBtn/fqH7IUXANScQ3MpoP2f63Dl99XecxRfmsfemFa08Y8zJD6PTEEp97cnsV5A0AAlU35OfiabtpnRITExTLQdSL+bT/Ud4BiLU68rksoW68CkYPaHMwwzLho0rEFlQwjyuQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=citrix.com; dmarc=pass action=none header.from=citrix.com; dkim=pass header.d=citrix.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=citrix.onmicrosoft.com; s=selector2-citrix-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Z7MknCtDaFKJ46I5qllMrt5+TW3heupIj0BoyuJe41E=; b=GSvYv6+zO6THCRcuNxTdmtFgFAgpzflTsxFYpSSalruZj9DwJxkCQYrDk8Es/wNA7Hquatw8WKg8/vP3XJeFESkntHR/pTBoAtJ/pLgMiAvXKK3W13R8V0zwKNsPfwN5TCmRol+DCh+eW9xnC7o7UGQeK5k+JbkG8umpnevPlbg= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=citrix.com; From: Roger Pau Monne To: xen-devel@lists.xenproject.org Cc: Roger Pau Monne , Andrew Cooper , George Dunlap , Jan Beulich , Julien Grall , Stefano Stabellini , Wei Liu Subject: [PATCH] build/xen: fix symbol generation with LLVM LD Date: Thu, 5 May 2022 16:21:37 +0200 Message-Id: <20220505142137.51306-1-roger.pau@citrix.com> X-Mailer: git-send-email 2.36.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: LO4P265CA0121.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:2c6::9) To DS7PR03MB5608.namprd03.prod.outlook.com (2603:10b6:5:2c9::18) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 5e2d960a-0f95-42aa-81c6-08da2ea297e7 X-MS-TrafficTypeDiagnostic: BN7PR03MB4498:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DS7PR03MB5608.namprd03.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230001)(4636009)(366004)(36756003)(4326008)(5660300002)(8936002)(1076003)(6486002)(6916009)(8676002)(6666004)(2906002)(66476007)(508600001)(66946007)(54906003)(66556008)(2616005)(38100700002)(6512007)(83380400001)(6506007)(26005)(186003)(316002)(82960400001)(86362001);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?bXhQdTNmVHY0SW1wQVJVNWtta2k3cHJnNWtZQkJiZkxEaFhXYVhIbEl0cWRF?= =?utf-8?B?aTZOeUFUOHpGbHBRS2VNbGZLRU16ZnFmekEvYmZiejYvRWltWGZacjFDcDU5?= =?utf-8?B?djB2ck5ENHdJZDlhaExibzV3ZmF5RGVQakdFbG5STkg5WjU5OWNzeGh2V0F6?= =?utf-8?B?LzlmNVJjTjlrOVlkSWhWeWREeHhTY3E2ZEdIRWRXVDFudWdhMkdBRllxMlN3?= =?utf-8?B?c0RXSDBlYVBxM0NMaVROMUJwaUFBUkVkLytpblQ2SFM1RzlNcW9iNlJqUEVZ?= =?utf-8?B?by9LWFVPdzc1a0dHV01Tc1RBcHBMZFhTeE56Q1RvZ1BzMFd4bHc0QWpSVTZy?= =?utf-8?B?ZEhBNXhaRThDYzBXdUhibHRtOXlvNUNBaFVHMlBVUXpJWEx5aFFwT0w3WnYz?= =?utf-8?B?Zk1OWThFUDBaMHhVbHVFZFhMNVpUTkxMb0cvRUhUcEZuTk5EUmF4TzRCT3NZ?= =?utf-8?B?WStQYXI4ZUE5aUhvbVBWYndvK1dacTRKcDYwUGh3M0FRRWdjeWFKNDUwOFVP?= =?utf-8?B?S3g1RW52bTRWZ05TTmMwRS9TN1JETWpvMXZNSGUxODF1eFh6ZDRNQnVKTXBP?= =?utf-8?B?eUFwSElZelQ2OWtxM1I1eitkT3FMM2crUVU0bk01UzBwYUxSd250aVpzbFB4?= =?utf-8?B?UytRdE12WEZOdlVhYit2dHZiVTFhQ3Y1TTFlODhsRmtpRlhiTWpRMTR1LzZJ?= =?utf-8?B?eXJGMm4yQmQ0WHBGdGo1a3JFbDlSdHlNRHZNRWQwbkNTcHhJODNLeHBwbTJ4?= =?utf-8?B?RnhqeFVnajVPM0RyQzNuYUxFT2lJU1Rqc1hVSVJEYUs0Slp4VlF1OVJ5NVY3?= =?utf-8?B?c2FSelltYm01L09IM1hObE1FRExhZVlzdUtBZUVSZUUxUlVjaVl4QkNyNFRw?= =?utf-8?B?NUZDZDVoYTN0RlF1Mm1wOXBCV2htdTFKQ3JsUHkwT3RMOWdkSkExSHdHWXVF?= =?utf-8?B?YUpQQ2hXR1R6aHREYXpldHRqRC9mK2UyVWhMQ0llU1VDUVlQQjBlT2kzTEsy?= =?utf-8?B?eEhTeW85U1VHVjdpK05rc3BqU0wrNktnS0V1Z3Y3a0V4QXpmY2Q4NlRsV3o3?= =?utf-8?B?ZkpIWmF4NEpkVXJGNnppRXc2Y21QT0Y2YUtCTElnNDh1SmVRNUQra0p1S2hp?= =?utf-8?B?ZFBWTXRBMEJjU3BBU1JZNDV6ZVRtdDBFaFlwN0NzMEdUcVQ1QlRxTUpESGtl?= =?utf-8?B?KzF4N3pETGJsUmtET0kxSnJtdm1XTTlseFEvaWF4Sm9wUnRabFpaeHh0YzVM?= =?utf-8?B?YXJYSmEwMXIwUjJPbTJ2eGdpY1RXOTN6Z1laaFVwS2o4Z0FqbzMzeElXbWRY?= =?utf-8?B?S2FTeW4yZVh2Z3pIMG56U0xtdGhHYndKUU1BSWJnOEZKVTB5QTVaUVBLeWJv?= =?utf-8?B?dEhJNUNKZWNqWDlzR2ZQcTBvaEJadGtGY0VsZDZ5R1lGdU56emxzckVrQ2ZN?= =?utf-8?B?cWE4ZGJJblN3Q2J3SG5MY016aVNucElBWWN1Vm1BemYrbDA4aG9wWlF5b2Jw?= =?utf-8?B?SUY5N3hVK2NHV2E5M0t2bjlCSUFIN0diQ1c0RFFBWTFVT3R1KzdYS2YyZDdI?= =?utf-8?B?MW9ORm8ySXYwVU82ZGhuR0tSSHl5N0ZlR0Q5alFWSUg4REV6NzBZOTZGeWFw?= =?utf-8?B?V0FSb09Dd082Q2R0MHVtSkVOa2tUQ3VjeURRc2JtU0l3eHMybnFqRmd1cTNY?= =?utf-8?B?ajl0ZVhqakJtT1pwNFFiZVI3NHN3WXZyUjJqSTZsUW5nNmcxODdub2cwV0RM?= =?utf-8?B?YlJkS25KVXlqZXBTcUZkNzZmL0pMYk1rUXViV3lWSUNhdVIrbWJHRnB3N1Fk?= =?utf-8?B?SkkxMzc5ajJxOFhnN0RzdUpiMm42QzQ4UDlDcDVjS01NZlN5RjIvUVhPejli?= =?utf-8?B?eDU5NTdaZG0zalNldS9yTUdITWZyTWh1N0FhdHMxazVxdUdZUHNwODdSMGFC?= =?utf-8?B?L2ZTaUczQ0NGRUNERWFkZ1hTWXNVV3M4YWNnTXRxRkx5WjlEQXdxUHM1TzVB?= =?utf-8?B?M1dKQmpaYXBpOHE5endwY2wxU0JQbkk0bno4d09LcGFPU0M3QjB1OVBldzhn?= =?utf-8?B?aG9Fa2NSMDZrYXI4NU1ITXR1dEd5S3JCU1QzSVhMbDhob0s3K0xjWSsxRVo1?= =?utf-8?B?d2dmeldaUVpOaEVrVW5pZzVDMUU2RWJhcUhpZ2dKRXdVVVl4Q21tN1RmcnJq?= =?utf-8?B?c1FjWEkwSndzbmVzS05pWUxhQlZCQUNXc0ZERGNPbHZQaW5nUjRHMDZocDZ6?= =?utf-8?B?ZlBpMnBPcmhHMXRIZWFIZ2licXVQNFlXUlp0NGlycXIrc0QyaHJkRzY1b01r?= =?utf-8?B?aU1VZnphc1hqLzJpMzBJR1dJQnpJUXZWVHBxYU9oMzFBSmVGeC9MeWRRZGJY?= =?utf-8?Q?GKyUZGPhIRyK7XeQ=3D?= X-OriginatorOrg: citrix.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5e2d960a-0f95-42aa-81c6-08da2ea297e7 X-MS-Exchange-CrossTenant-AuthSource: DS7PR03MB5608.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 May 2022 14:21:49.6801 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 335836de-42ef-43a2-b145-348c2ee9ca5b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: Cjbili7scbL6DcbTHaj51zBCZMtEZjABcjYQgxalOP3lQJcpI56M1827N+FnjEFT8QKAwJwO8dAgdPHtj16IZQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN7PR03MB4498 X-ZohoMail-DKIM: pass (identity @citrix.com) X-ZM-MESSAGEID: 1651760554281100001 Current LLVM LD implementation will turn global hidden symbols in object files into local ones when generating the .symtab of the Xen binary image. This is different from GNU ld implementation, that will only do the conversion (or remove the symbols) when generation .dynsym but not .symtab. Such conversion breaks the processing of symbols done by tools/symbols. Use protected symbol visibility instead of hidden, as that preserves the symbol binding while not generating GOT or PLT indirections that are not compatible with some of the inline assembly constructs currently used. While there also make the visibility setting compiler support non-optional: compilers not supporting it won't be able to build Xen anyway, and will just throw a compiler error sooner rather than later during the build. Signed-off-by: Roger Pau Monn=C3=A9 Reviewed-by: Jan Beulich --- xen/Kconfig | 4 ---- xen/include/xen/compiler.h | 9 +++++---- 2 files changed, 5 insertions(+), 8 deletions(-) diff --git a/xen/Kconfig b/xen/Kconfig index 134e6e68ad..a9182fb13d 100644 --- a/xen/Kconfig +++ b/xen/Kconfig @@ -29,10 +29,6 @@ config LD_IS_GNU config LD_IS_LLVM def_bool $(success,$(LD) --version | head -n 1 | grep -q "^LLD") =20 -# -fvisibility=3Dhidden reduces -fpic cost, if it's available -config CC_HAS_VISIBILITY_ATTRIBUTE - def_bool $(cc-option,-fvisibility=3Dhidden) - # Use -f{function,data}-sections compiler parameters config CC_SPLIT_SECTIONS bool diff --git a/xen/include/xen/compiler.h b/xen/include/xen/compiler.h index 933aec09a9..c144b17217 100644 --- a/xen/include/xen/compiler.h +++ b/xen/include/xen/compiler.h @@ -125,10 +125,11 @@ #define __must_be_array(a) \ BUILD_BUG_ON_ZERO(__builtin_types_compatible_p(typeof(a), typeof(&a[0]))) =20 -#ifdef CONFIG_CC_HAS_VISIBILITY_ATTRIBUTE -/* Results in more efficient PIC code (no indirections through GOT or PLT)= . */ -#pragma GCC visibility push(hidden) -#endif +/* + * Results in more efficient PIC code (no indirections through GOT or PLT) + * and is also required by some of the assembly constructs. + */ +#pragma GCC visibility push(protected) =20 /* Make the optimizer believe the variable can be manipulated arbitrarily.= */ #define OPTIMIZER_HIDE_VAR(var) __asm__ ( "" : "+g" (var) ) --=20 2.36.0