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Wed, 13 Sep 2023 10:18:42 +0000 From: Luis Machado To: CC: Subject: [PATCH v4 0/6] SME2 support for AArch64 gdb/gdbserver on Linux Date: Wed, 13 Sep 2023 11:18:34 +0100 Message-ID: <20230913101840.179101-1-luis.machado@arm.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 1 X-MS-TrafficTypeDiagnostic: AM7EUR03FT045:EE_|PAVPR08MB9841:EE_|DBAEUR03FT033:EE_|GV2PR08MB9253:EE_ X-MS-Office365-Filtering-Correlation-Id: e4760080-2859-4d07-76ee-08dbb442d4fc 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:40.67.248.234;CTRY:IE;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:nebula.arm.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(4636009)(396003)(136003)(376002)(39860400002)(346002)(451199024)(186009)(82310400011)(1800799009)(46966006)(36840700001)(40470700004)(478600001)(81166007)(6666004)(7696005)(82740400003)(86362001)(356005)(41300700001)(36860700001)(336012)(26005)(426003)(2616005)(1076003)(47076005)(40460700003)(83380400001)(36756003)(44832011)(5660300002)(8936002)(8676002)(4326008)(6916009)(316002)(2906002)(40480700001)(70586007)(70206006)(36900700001);DIR:OUT;SFP:1101; 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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Sep 2023 10:18:53.7057 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e4760080-2859-4d07-76ee-08dbb442d4fc 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: DBAEUR03FT033.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: GV2PR08MB9253 X-Spam-Status: No, score=-5.8 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,FORGED_SPF_HELO,KAM_DMARC_NONE,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,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: The following series enables SME 2 (Scalable Matrix Extension 2) support for AArch64 gdb and gdbserver. SME2 expands on SME by adding a predicate register of 512 bits named ZT0. At a high level, this series does the following: - Adds support for the ZT0 register and adds a new target description feature for it. - Core file support (depends on binutils patches). - Signal frame context support. - Native Linux handling of the new NT_ARM_ZT register set. This series depends on the SME series, and should be applied on top of that one. Luis Machado (6): [gdb/aarch64] sme2: Enable SME2 for AArch64 gdb on Linux [gdbserver/aarch64] sme2: Enable SME2 support in gdbserver [gdb/aarch64] sme2: signal frame support [gdb/aarch64] sme2: Core file support for ZT register set [gdb/testsuite] sme2: Extend SME tests to include SME2 [gdb/docs] sme2: Document SME2 registers and features gdb/NEWS | 3 + gdb/aarch64-linux-nat.c | 49 ++++++ gdb/aarch64-linux-tdep.c | 152 ++++++++++++++++++ gdb/aarch64-tdep.c | 21 +++ gdb/aarch64-tdep.h | 10 ++ gdb/arch/aarch64-scalable-linux.h | 6 + gdb/arch/aarch64.c | 4 + gdb/arch/aarch64.h | 12 +- gdb/doc/gdb.texinfo | 65 ++++++++ gdb/features/aarch64-sme2.c | 43 +++++ gdb/nat/aarch64-scalable-linux-ptrace.c | 134 +++++++++++++++ gdb/nat/aarch64-scalable-linux-ptrace.h | 26 +++ gdb/testsuite/gdb.arch/aarch64-sme-core.c | 32 +++- .../gdb.arch/aarch64-sme-core.exp.tcl | 2 +- .../aarch64-sme-regs-available.exp.tcl | 17 ++ .../gdb.arch/aarch64-sme-regs-sigframe.c | 32 +++- .../aarch64-sme-regs-sigframe.exp.tcl | 13 +- .../aarch64-sme-regs-unavailable.exp.tcl | 12 ++ gdb/testsuite/gdb.arch/aarch64-sme-sanity.c | 32 +++- gdb/testsuite/lib/aarch64-scalable.exp | 44 +++++ gdbserver/linux-aarch64-low.cc | 57 +++++++ 21 files changed, 757 insertions(+), 9 deletions(-) create mode 100644 gdb/features/aarch64-sme2.c -- 2.25.1