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elena.zannoni@oracle.com,\n tamar.christina@arm.com, Andre.SimoesDiasVieira@arm.com", "Subject": "[PATCH 0/2] Add bits for handling memory tags when using MTE\n instructions", "Date": "Tue, 14 Apr 2026 15:41:03 +0300", "Message-ID": "<20260414124105.178141-1-claudiu.zissulescu-ianculescu@oracle.com>", "X-Mailer": "git-send-email 2.53.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-ClientProxiedBy": "VI1PR09CA0180.eurprd09.prod.outlook.com\n (2603:10a6:800:120::34) To CY5PR10MB6011.namprd10.prod.outlook.com\n (2603:10b6:930:28::16)", "MIME-Version": "1.0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "CY5PR10MB6011:EE_|DS0PR10MB6173:EE_", "X-MS-Office365-Filtering-Correlation-Id": "43e27c53-6a72-424c-9ed1-08de9a231ad1", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "BCL:0;\n ARA:13230040|376014|366016|1800799024|18002099003|56012099003;", "X-Microsoft-Antispam-Message-Info": "\n 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"AW1haW4tMjYwNDE0MDExOSBTYWx0ZWRfXxI05Eqe3RN7y\n 97CZnqYUg6iEwQo/wkLh1oseIcdERy8P98SJjUwWjrMLu8kjK2KjJsTxm9u9KgB7vAWTyWcBI6B\n huMa6rrULEu5jv4Lt2gbDddUSwDOCQFCkyQsSYWAsOtNLEBip5Llmqc+yXjueJ+0kJT3H6gSbaH\n uqGvHaULp5zXwyMy6imDrC/w94RZNhaAID3d1zhEfUqBwP8hrjEBcGOm9j6ybjYxga07zJVpN7a\n VruZAk/FK/D56AS3zGErnWE3SqR5MpJrgrX1t0UMv4co9MWnn+uKNlvvUQpmj9d0TBtLE4AOiLN\n GwpyXuTxOr7W40URXqo0aKeiO9LZiy+l0PsE2Dq5MXrmOpxfAkvL4h4uAr7qioCitrhq7QJoqda\n oCjJfWGeBrHXZ4Hpx0cLzH1s82TjVkDyPRD227XoPgGdb/XnFl2XH6uiuEEZP7YXpMP9hd8KzGZ\n FGSZuLfl4nl1lHMFqVruHRh/y4hbRqGDflpC259U=", "X-Proofpoint-GUID": "cq7g4Iml0AjyBtZ_YF3sItJ8tdkGIzyP", "X-Proofpoint-ORIG-GUID": "cq7g4Iml0AjyBtZ_YF3sItJ8tdkGIzyP", "X-Authority-Analysis": "v=2.4 cv=JY6Ma0KV c=1 sm=1 tr=0 ts=69de35e9 b=1 cx=c_pps\n a=zPCbziy225d3KhSqZt3L1A==:117\n a=zPCbziy225d3KhSqZt3L1A==:17\n a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19\n a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=xqWC_Br6kY4A:10 a=A5OVakUREuEA:10\n a=GoEa3M9JfhUA:10 a=VkNPw1HP01LnGYTKEx00:22 a=jiCTI4zE5U7BLdzWsZGv:22\n a=3I1J8UUJPc9JN9BFgKH3:22 a=yPCof4ZbAAAA:8 a=YxZxR-L_ggnfc9bNuyIA:9 cc=ntf\n awl=host:12291", "X-BeenThere": "gcc-patches@gcc.gnu.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Gcc-patches mailing list <gcc-patches.gcc.gnu.org>", "List-Unsubscribe": "<https://gcc.gnu.org/mailman/options/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe>", "List-Archive": "<https://gcc.gnu.org/pipermail/gcc-patches/>", "List-Post": "<mailto:gcc-patches@gcc.gnu.org>", "List-Help": "<mailto:gcc-patches-request@gcc.gnu.org?subject=help>", "List-Subscribe": "<https://gcc.gnu.org/mailman/listinfo/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe>", "Errors-To": "gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org" }, "content": "From: Claudiu Zissulescu <claudiu.zissulescu-ianculescu@oracle.com>\n\nHello,\n\nPlease find a set of two patches that are addressing the problem of\ncleaning up the memory tags set and not cleaned in the presence of an\nexception. This patch only addresses the situation when the exception\nis handled by Dwarf EH.\n\nThe first patch is introducing a new target hook, which is then\nimplemented by the second, target specific patch. Also, a new test is\nadded.\n\nBest wishes,\nClaudiu\n\nClaudiu Zissulescu (2):\n libgcc: Add MD_CLEAN_MEMTAG_RANGE target macro\n aarch64/mte: Implement MD_CLEAN_MEMTAG_RANGE hook\n\n gcc/doc/tm.texi | 6 ++\n gcc/doc/tm.texi.in | 6 ++\n gcc/testsuite/g++.target/aarch64/try-catch.C | 71 ++++++++++++++++++++\n libgcc/config/aarch64/linux-unwind.h | 68 +++++++++++++++++++\n libgcc/unwind-dw2.c | 5 ++\n 5 files changed, 156 insertions(+)\n create mode 100644 gcc/testsuite/g++.target/aarch64/try-catch.C" }