From patchwork Wed Apr 10 07:17:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bernd Edlinger X-Patchwork-Id: 88275 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 3770F3858C50 for ; Wed, 10 Apr 2024 07:15:45 +0000 (GMT) X-Original-To: gdb-patches@sourceware.org Delivered-To: gdb-patches@sourceware.org Received: from EUR01-HE1-obe.outbound.protection.outlook.com (mail-he1eur01olkn2031.outbound.protection.outlook.com [40.92.65.31]) by sourceware.org (Postfix) with ESMTPS id B88923858D20 for ; Wed, 10 Apr 2024 07:15:21 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org B88923858D20 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=hotmail.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=hotmail.de ARC-Filter: OpenARC Filter v1.0.0 sourceware.org B88923858D20 Authentication-Results: server2.sourceware.org; arc=pass smtp.remote-ip=40.92.65.31 ARC-Seal: i=2; a=rsa-sha256; d=sourceware.org; s=key; t=1712733323; cv=pass; b=GNCC+5PV0SlFwqi0vTh188bNJaCgXOCScOnaMJhHBzAHJZk/9sqEMSZoQd+ED5olHhLqfrWjD5AC7oUx8kUkjWsZL48YE3EADJLJVihymQMcSAr/4ftoYKNdY5R2YWSsU6fTG0W0b/iAdhsyvpkXAytGC++Kb+Izsnd5mfuMNDc= ARC-Message-Signature: i=2; a=rsa-sha256; d=sourceware.org; s=key; t=1712733323; c=relaxed/simple; bh=xWjbkwduaE0AaMUAVEfLYhoXsMzi8FfC7YIWI0qoLYY=; h=DKIM-Signature:Message-ID:Date:To:From:Subject:MIME-Version; b=Fqvzy6eExJi1wQaxqR3K3drFgYYCsAA/TTWYzCeq9+vDUJMww9OiQbaVGmiYYrsyQiRrabPk9+KCED9CCmPtFVO17+KpoJ0DpKi7xYqvkBCTnhhYQg1rUCyHpfjC1iFbBG5oprkATtn8UrsFUUav92RG+EIyIRaShFwNT3pMEcA= ARC-Authentication-Results: i=2; server2.sourceware.org ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=QEtDuBPaHcwdl6qy0R2FNBpHATyOfT4eVfDWc9Qg8tv200qx7iRA/pyEGOm0bxleJex4WcpyN/HqoUfpUt+wbGVx7rCgBbjLH8MPNYMYTKJ0bTdB4Fk1CsJl89fOJLBn+6/tdGnWrkw+OafFtk4ycOqmeDbujXLTdF6WOTRyeWzZZJ5avewOa3PMa7Beu+2h5KepMTyM4ONUI5niecdqg5TKk7D4XJHKbxusC178ZNtNrGf2TNq59kMj65WbuLaWROLmWVnC8PlL9/3G7s7ebQ0mtgc1FMLso8d/DT6RVSVk6mSYb6qInO0zKAqE+hMVhl1gcu0U2LyKaPKMsXTmvw== 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=ycbY4SpIZ2B0T+mlIb2y2ZiVHoS6D9JfEj6d/xzy0gA=; b=lzB6XUqQpMvBRFYbGJR1IUwY3KeOLcLMVniFtefuk1HYzKR9jnDTvYlX301BrHqdxM5yqKO+YQK9ZiKO3kigqUJ+JtiGOl9+moxAESGR8l9ctZYr9cis13ohNUViDFlDw7SqZvVciuGXD1mhWkKa2bkZwP7BpzoW3MexIJT5bGBeYsO703k8j7E5jsXstkdkK8qJsseroHA/5rNmbYq2gvVhHnn/irJqDDybPsQkLNwMNAIjKq4oqhs1Efs4+PTRHpSqjLahWiiKP3ZoIV/2QgVB6+YtKxqn4fLi0oUl9zdLRanJf1w07da4lrsA+aSeRJrzpdHl7dYxuznIZTxKOQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=none; dmarc=none; dkim=none; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=HOTMAIL.DE; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=ycbY4SpIZ2B0T+mlIb2y2ZiVHoS6D9JfEj6d/xzy0gA=; b=j6BqiNMORry/kZMz5Io/giNARaY39QggpivYiODGFmmF+6+CWeGh2Yl3kTzc1LCkzF9x3XEqjg7/tmGkFTSXgZjp8BbCppZAiHqfvsorEFC5zJWbDIjpWXxdD4GGXEliRiymfkKgrdsczFqNytQVAL2Hb+UCLOqr+5wgeqwG5NUswdchj+sVWuU5VBKpnxInM/BJQMQ43q762ShsSuG7Iku0s8lFGB98A+wYp5iwSmv8mTLijVozbx2wZ+0tmd5qOYr1LWJvTuU+IrDxEEEr2RFG7pJweanI964IeEiLf1U1OYKw0Qg9MX4vGUJtznmtDyDjII8C9cdDNCw9E8RxXA== Received: from AS8P193MB1285.EURP193.PROD.OUTLOOK.COM (2603:10a6:20b:333::21) by PA2P193MB2476.EURP193.PROD.OUTLOOK.COM (2603:10a6:102:407::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7409.46; Wed, 10 Apr 2024 07:15:19 +0000 Received: from AS8P193MB1285.EURP193.PROD.OUTLOOK.COM ([fe80::5403:f1ad:efaf:1f71]) by AS8P193MB1285.EURP193.PROD.OUTLOOK.COM ([fe80::5403:f1ad:efaf:1f71%4]) with mapi id 15.20.7409.042; Wed, 10 Apr 2024 07:15:19 +0000 Message-ID: Date: Wed, 10 Apr 2024 09:17:08 +0200 User-Agent: Mozilla Thunderbird Content-Language: en-US To: "gdb-patches@sourceware.org" From: Bernd Edlinger Subject: [PATCH] sim: riscv: Fix newlib issue with brk syscall X-TMN: [1Lsz9rWCk5e2E7bBUMkY5rcJjYPnDlAdlMyHws8cWqx/BFJPiRhld1r5kod6zEf3] X-ClientProxiedBy: PAZP264CA0057.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:1fd::18) To AS8P193MB1285.EURP193.PROD.OUTLOOK.COM (2603:10a6:20b:333::21) X-Microsoft-Original-Message-ID: <1e9a732e-e0ce-4f0f-ae0f-d9e9644d406b@hotmail.de> MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS8P193MB1285:EE_|PA2P193MB2476:EE_ X-MS-Office365-Filtering-Correlation-Id: 7324c59f-328b-44da-bd24-08dc592dfa79 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?q?FRTtWMo08QhDXfwJjmfs642HQU/f?= =?utf-8?q?ZJqewgZwbDERl821cQekj+4I6MlErGo6F+tc//q2FPyMZgXn4OfB1/q6mkK2iQ9Am?= =?utf-8?q?JLuqek8w1WcR13a7uOpR489mMS+7lS4luIuIUo9f5S7Mfwck9sbF0kFne1aFrdeo8?= =?utf-8?q?xfuI9Xh04NTakQvwvNoxbzS1BdEWiQSMLUNDcFVT+ZwFweX8kDrWC1ui499L7mtF4?= =?utf-8?q?khGN4llCbtzi7n14TcXI1N6EkUdzGMSdCtblFjNLi6RhJG/a7dXbMxw6YSXlAUQIF?= =?utf-8?q?u1G8YM0NZlNI3cPMCVtUyppuSuFOCFMYuqVEVJfv/bW7WbQ0lgGtp2jYenD7ebxoH?= =?utf-8?q?0w+GNQugXM1RwoPo/vRcMbc7y/GdNeMn20ybXzPxGL9Vy6haEcY3fkeZ64obJV9RZ?= =?utf-8?q?dHjedDiNfNmjG7dNJPfXky27MmyCemqKz4wQZYdIj1wEp3f0DO1J2F5OBNuQZUgiv?= =?utf-8?q?1FBPRQYEZmW9Tujf9HrsQMtPrUpLUEoW/KFBicVgwR+n46Xo26x9/EszSpxq3l+ha?= =?utf-8?q?A+Ce+sEx+IcnXx0kc/KykZgwrtKDr0dhcis4bvQ473/pe+73e+0g+72ipX/wGTM1P?= =?utf-8?q?/bIlOBMmjksl+R+L0MOx2mm9lNEpW2UwzTPGAnMWlUd9Q6d7Z4HwAS8Fr7SDGsxb7?= =?utf-8?q?bYYlgblig10aIlkcs0VdnYvw7oHwAze20S+lr5TttVeMw/y6OYsl1H3dRjVbIQ6in?= =?utf-8?q?Qrz+Ug5zekH7R7u2+S82Y6ANUNTtoaB2yu9sQg7oP44Mw3cOr6oICv5rI1UITuYVp?= =?utf-8?q?m0v/T4KDgaKN/KnM6rObBoT4ns3d0fUuuWKGAoOCTXtgu+8NVUhi0AUcsx1Jzev3G?= =?utf-8?q?PK8uMHnx37V4mtvUnI5x59c4AqovdQxfPpuiMKj5ibvCF814tqHifFGo9AbWc+bb1?= =?utf-8?q?zA0dxEzZjfknSXT907sb69jHgGmcUtbojb5xv+J6YxqgLCJu2Sue+pN+OSyHglSi4?= =?utf-8?q?zPZf2eKIFW0MYdXVoTR2zMUT65OHI8mP5fyKPDoSLdpM+cvizM6WHJC2nqy1XOzEz?= =?utf-8?q?35Vj7MDTlYPMc9XtDhwjnL5m/hoPkcS73MMndYHZcCar3LeB0WrOl7/DHvnU+YFko?= =?utf-8?q?cPm+MTMgzjooh2V9oF3aB5i3SiYonB5gqdPB1bV1FwugMICLYPd8T6w+lwTou8kKm?= =?utf-8?q?DpV+t5VBwVmfo6S+rdPUCweRpiKEbEWwjLWH/pAOWUa9QU1vDT3OgmkI7oCxAzrpb?= =?utf-8?q?Whl7SHhGMHenrOF4fEm2AW0d0QOAVGre5FdxffE+J9D6ARXMuGufIP+JkCY88YzCb?= =?utf-8?q?m4sOCAkcHxfvZvrG?= X-OriginatorOrg: sct-15-20-4755-11-msonline-outlook-80ceb.templateTenant X-MS-Exchange-CrossTenant-Network-Message-Id: 7324c59f-328b-44da-bd24-08dc592dfa79 X-MS-Exchange-CrossTenant-AuthSource: AS8P193MB1285.EURP193.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Apr 2024 07:15:19.3993 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-Transport-CrossTenantHeadersStamped: PA2P193MB2476 X-Spam-Status: No, score=-13.4 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_PASS, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces+patchwork=sourceware.org@sourceware.org There is an issue with riscv newlib which uses a brk syscall when malloc is used, and when this syscall is not implemented, the malloc fails. This adds a simple handling for this syscall in order to make newlib happy. --- sim/riscv/sim-main.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/sim/riscv/sim-main.c b/sim/riscv/sim-main.c index 9c0d070aa60..4e3672505c6 100644 --- a/sim/riscv/sim-main.c +++ b/sim/riscv/sim-main.c @@ -30,6 +30,7 @@ #include "sim-main.h" #include "sim-signal.h" #include "sim-syscall.h" +#include "target-newlib-syscall.h" #include "opcode/riscv.h" @@ -629,6 +630,14 @@ execute_i (SIM_CPU *cpu, unsigned_word iw, const struct riscv_opcode *op) break; case MATCH_ECALL: TRACE_INSN (cpu, "ecall;"); + if (riscv_cpu->a7 == TARGET_NEWLIB_RISCV_SYS_brk) + { + TRACE_SYSCALL (cpu, "brk[%i](%#lx)", TARGET_NEWLIB_RISCV_SYS_brk, + (long)riscv_cpu->a0); + if (riscv_cpu->a0 == 0) + riscv_cpu->a0 = DEFAULT_MEM_SIZE / 2; + break; + } riscv_cpu->a0 = sim_syscall (cpu, riscv_cpu->a7, riscv_cpu->a0, riscv_cpu->a1, riscv_cpu->a2, riscv_cpu->a3); break;