From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from EUR05-VI1-obe.outbound.protection.outlook.com (mail-vi1eur05olkn2042.outbound.protection.outlook.com [40.92.90.42]) by sourceware.org (Postfix) with ESMTPS id A9A6D3857824 for ; Tue, 17 Nov 2020 05:44:00 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org A9A6D3857824 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=hotmail.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=bernd.edlinger@hotmail.de ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=MZsCXg4sNbwdUuwed43yoYbj0q689+VCBpc1FRTNi5FOyx+LTfvkhWOqq9rNNGTIF6sRcZJdykpkwl/s2Oo+TGPTq3Yrf+weAY9IlMneE4IcSrJo3kpK5tLe6GxXEkWA+0Zvn/6Hra7X+yvm3HmXXyBio04hX4JOCqryK1E/hP/XI4rl8dDJGN0q/QrA0xWNE8PZFfH8KO2MV//QzCZy8ruedPvFBoTQdXUdMcISCpRy2vrGaOq/E3T1tFdzywL0Uftsjm59Ygf/KlaNFsyh9oOPOlVh5NwMnC9yh/H9Zo8oalhfBhVAOznSKg3A7/eYzjt6wdPPl4On6pC8vjoRsw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; 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Tue, 17 Nov 2020 05:43:59 +0000 X-IncomingTopHeaderMarker: OriginalChecksum:F362746275BBCA0803D1F32D1833E385D2BBA22C15B10B493D15DE37F709030C; UpperCasedChecksum:C2010F7353EA3D6269C1F0E4F495BA00772C6A93E1A11AF182A9E2E4D0129703; SizeAsReceived:7952; Count:47 Received: from AM6PR03MB5170.eurprd03.prod.outlook.com ([fe80::184e:5e8c:db8f:a596]) by AM6PR03MB5170.eurprd03.prod.outlook.com ([fe80::184e:5e8c:db8f:a596%5]) with mapi id 15.20.3564.028; Tue, 17 Nov 2020 05:43:59 +0000 Subject: [PING] [PATCH] libgcc: Add a weak stub for __sync_synchronize From: Bernd Edlinger To: "gcc-patches@gcc.gnu.org" , Ramana Radhakrishnan , Richard Earnshaw References: Message-ID: Date: Tue, 17 Nov 2020 06:43:57 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Language: en-US Content-Transfer-Encoding: 7bit X-TMN: [P0fV/olg6UYP714WS2eNrAkkECnKKAX7] X-ClientProxiedBy: AM0PR02CA0108.eurprd02.prod.outlook.com (2603:10a6:208:154::49) To AM6PR03MB5170.eurprd03.prod.outlook.com (2603:10a6:20b:ca::23) X-Microsoft-Original-Message-ID: MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [192.168.1.101] (84.57.57.184) by AM0PR02CA0108.eurprd02.prod.outlook.com (2603:10a6:208:154::49) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3564.25 via Frontend Transport; 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I'd like to ping for this patch: https://gcc.gnu.org/pipermail/gcc-patches/2020-November/557886.html Thanks Bernd. On 11/3/20 4:08 PM, Bernd Edlinger wrote: > Hi, > > this fixes a problem with a missing symbol __sync_synchronize > which happens when newlib is used together with libstdc++ for > the non-threaded simulator target arm-none-eabi. > > There are several questions on stackoverflow about this issue. > > I would like to add a weak symbol for this target, since this > is only a default implementation and not meant to override a > possibly more sophisticated synchronization function from the > c-runtime. > > > Regression tested successfully on arm-none-eabi with newlib-3.3.0. > > Is it OK for trunk? > > > Thanks > Bernd. >