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Fri, 30 Jun 2023 13:48:52 +0000 To: Subject: [PATCH 0/6] SME2 support for AArch64 gdb/gdbserver on Linux Date: Fri, 30 Jun 2023 14:48:38 +0100 Message-ID: <20230630134844.1238445-1-luis.machado@arm.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-EOPAttributedMessage: 1 X-MS-TrafficTypeDiagnostic: DBAEUR03FT029:EE_|PAWPR08MB9784:EE_|AM7EUR03FT051:EE_|PAXPR08MB7549:EE_ X-MS-Office365-Filtering-Correlation-Id: a531a531-17c3-4dba-58d1-08db7970c3b8 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; 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CTRY:IE; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:64aa7808-outbound-1.mta.getcheckrecipient.com; PTR:ec2-63-35-35-123.eu-west-1.compute.amazonaws.com; CAT:NONE; SFS:(13230028)(4636009)(376002)(396003)(346002)(39860400002)(136003)(451199021)(46966006)(36840700001)(40470700004)(5660300002)(1076003)(44832011)(70586007)(316002)(36756003)(478600001)(6916009)(70206006)(8936002)(8676002)(86362001)(2906002)(26005)(40460700003)(41300700001)(36860700001)(40480700001)(7696005)(6666004)(82310400005)(186003)(336012)(426003)(47076005)(82740400003)(83380400001)(81166007)(2616005); DIR:OUT; SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Jun 2023 13:49:02.9524 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a531a531-17c3-4dba-58d1-08db7970c3b8 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: AM7EUR03FT051.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAXPR08MB7549 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, T_SCC_BODY_TEXT_LINE, 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 X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Luis Machado via Gdb-patches From: Luis Machado Reply-To: Luis Machado Errors-To: gdb-patches-bounces+patchwork=sourceware.org@sourceware.org Sender: "Gdb-patches" 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 | 146 ++++++++++++++++++ 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 | 136 ++++++++++++++++ gdb/nat/aarch64-scalable-linux-ptrace.h | 27 ++++ 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.exp | 44 ++++++ gdbserver/linux-aarch64-low.cc | 63 ++++++++ 21 files changed, 760 insertions(+), 9 deletions(-) create mode 100644 gdb/features/aarch64-sme2.c