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dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=arm.com; Received-SPF: Pass (protection.outlook.com: domain of arm.com designates 40.67.248.234 as permitted sender) receiver=protection.outlook.com; client-ip=40.67.248.234; helo=nebula.arm.com; pr=C Received: from nebula.arm.com (40.67.248.234) by AM7EUR03FT058.mail.protection.outlook.com (100.127.140.247) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6813.16 via Frontend Transport; Mon, 18 Sep 2023 21:27:02 +0000 Received: from AZ-NEU-EX04.Arm.com (10.251.24.32) by AZ-NEU-EX04.Arm.com (10.251.24.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Mon, 18 Sep 2023 21:27:01 +0000 Received: from e129171.arm.com (10.57.64.238) by mail.arm.com (10.251.24.32) with Microsoft SMTP Server id 15.1.2507.27 via Frontend Transport; Mon, 18 Sep 2023 21:27:00 +0000 From: Luis Machado To: CC: , Subject: [PATCH v7 00/18] SME support for AArch64 gdb/gdbserver on Linux Date: Mon, 18 Sep 2023 22:26:33 +0100 Message-ID: <20230918212651.660141-1-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: AM7EUR03FT058:EE_|DBAPR08MB5861:EE_|AM7EUR03FT036:EE_|DU0PR08MB7414:EE_ X-MS-Office365-Filtering-Correlation-Id: f6df6970-2974-4169-ac05-08dbb88e0593 x-checkrecipientrouted: true NoDisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; 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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Sep 2023 21:27:12.0706 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f6df6970-2974-4169-ac05-08dbb88e0593 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: AM7EUR03FT036.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU0PR08MB7414 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 1 (Scalable Matrix Extension) support for AArch64 gdb and gdbserver. SME expands on SVE by having a variable-sized matrix (ZA) of dimensions SVL x SVL bytes. The first few patches and some intermediate ones refactor the code and fix issues prior to enabling SME support, and thus could go in independently. I've kept them in the series as they are closely/logically related. Luis Machado (18): [gdb/aarch64] Fix register fetch/store order for native AArch64 Linux [gdb/aarch64] refactor: Rename SVE-specific files [gdb/gdbserver] refactor: Simplify SVE interface to read/write registers [gdb/aarch64] sve: Fix return command when using V registers in a SVE-enabled target [gdb/aarch64] sme: Enable SME registers and pseudo-registers [gdbserver/generic] Convert tdesc's expedite_regs to a string vector [gdbserver/aarch64] refactor: Adjust expedited registers dynamically [gdbserver/aarch64] sme: Add support for SME [gdb/aarch64] sve: Fix signal frame z/v register restore [gdb/aarch64] sme: Signal frame support [gdb/aarch64] sme: Fixup sigframe gdbarch when vg/svg changes [gdb/aarch64] sme: Support TPIDR2 signal frame context [gdb/generic] Get rid of linux-core-thread-data [gdb/generic] corefile/bug: Use thread-specific gdbarch when dumping register state to core files [gdb/generic] corefile/bug: Add hook to control the use of target description notes from corefiles [gdb/aarch64] sme: Core file support for Linux [gdb/testsuite] sme: Add SVE/SME testcases [gdb/docs] sme: Document SME registers and features gdb/Makefile.in | 6 +- gdb/NEWS | 11 + gdb/aarch64-linux-nat.c | 176 ++-- gdb/aarch64-linux-tdep.c | 992 +++++++++++++++--- gdb/aarch64-tdep.c | 724 ++++++++++++- gdb/aarch64-tdep.h | 47 + gdb/arch-utils.c | 10 + gdb/arch-utils.h | 6 + gdb/arch/aarch64-scalable-linux.c | 55 + gdb/arch/aarch64-scalable-linux.h | 53 + gdb/arch/aarch64.c | 5 + gdb/arch/aarch64.h | 57 +- gdb/configure.nat | 2 +- gdb/configure.tgt | 1 + gdb/corelow.c | 50 +- gdb/doc/gdb.texinfo | 252 +++++ gdb/features/aarch64-sme.c | 63 ++ gdb/gdbarch-gen.h | 14 + gdb/gdbarch.c | 22 + gdb/gdbarch_components.py | 19 + gdb/linux-tdep.c | 64 +- gdb/nat/aarch64-scalable-linux-ptrace.c | 991 +++++++++++++++++ gdb/nat/aarch64-scalable-linux-ptrace.h | 154 +++ ....h => aarch64-scalable-linux-sigcontext.h} | 73 +- gdb/nat/aarch64-sve-linux-ptrace.c | 392 ------- gdb/nat/aarch64-sve-linux-ptrace.h | 72 -- gdb/testsuite/gdb.arch/aarch64-sme-core-0.exp | 23 + gdb/testsuite/gdb.arch/aarch64-sme-core-1.exp | 23 + gdb/testsuite/gdb.arch/aarch64-sme-core-2.exp | 23 + gdb/testsuite/gdb.arch/aarch64-sme-core-3.exp | 23 + gdb/testsuite/gdb.arch/aarch64-sme-core-4.exp | 23 + gdb/testsuite/gdb.arch/aarch64-sme-core.c | 372 +++++++ .../gdb.arch/aarch64-sme-core.exp.tcl | 188 ++++ .../gdb.arch/aarch64-sme-regs-available-0.exp | 26 + .../gdb.arch/aarch64-sme-regs-available-1.exp | 26 + .../gdb.arch/aarch64-sme-regs-available-2.exp | 26 + .../gdb.arch/aarch64-sme-regs-available-3.exp | 26 + .../gdb.arch/aarch64-sme-regs-available-4.exp | 26 + .../gdb.arch/aarch64-sme-regs-available-5.exp | 26 + .../gdb.arch/aarch64-sme-regs-available-6.exp | 26 + .../gdb.arch/aarch64-sme-regs-available-7.exp | 26 + .../gdb.arch/aarch64-sme-regs-available-8.exp | 26 + .../gdb.arch/aarch64-sme-regs-available-9.exp | 26 + .../gdb.arch/aarch64-sme-regs-available.c | 178 ++++ .../aarch64-sme-regs-available.exp.tcl | 245 +++++ .../gdb.arch/aarch64-sme-regs-sigframe-0.exp | 23 + .../gdb.arch/aarch64-sme-regs-sigframe-1.exp | 23 + .../gdb.arch/aarch64-sme-regs-sigframe-2.exp | 23 + .../gdb.arch/aarch64-sme-regs-sigframe-3.exp | 23 + .../gdb.arch/aarch64-sme-regs-sigframe-4.exp | 23 + .../gdb.arch/aarch64-sme-regs-sigframe.c | 366 +++++++ .../aarch64-sme-regs-sigframe.exp.tcl | 179 ++++ .../aarch64-sme-regs-unavailable-0.exp | 26 + .../aarch64-sme-regs-unavailable-1.exp | 26 + .../aarch64-sme-regs-unavailable-2.exp | 26 + .../aarch64-sme-regs-unavailable-3.exp | 26 + .../aarch64-sme-regs-unavailable-4.exp | 26 + .../aarch64-sme-regs-unavailable-5.exp | 26 + .../aarch64-sme-regs-unavailable-6.exp | 26 + .../aarch64-sme-regs-unavailable-7.exp | 26 + .../aarch64-sme-regs-unavailable-8.exp | 26 + .../aarch64-sme-regs-unavailable-9.exp | 26 + .../gdb.arch/aarch64-sme-regs-unavailable.c | 152 +++ .../aarch64-sme-regs-unavailable.exp.tcl | 212 ++++ gdb/testsuite/gdb.arch/aarch64-sme-sanity.c | 249 +++++ gdb/testsuite/gdb.arch/aarch64-sme-sanity.exp | 72 ++ gdb/testsuite/lib/aarch64-scalable.exp | 239 +++++ gdb/testsuite/lib/aarch64-test-sme.c | 90 ++ gdb/testsuite/lib/aarch64-test-sve.c | 90 ++ gdb/testsuite/lib/aarch64.exp | 153 +++ gdb/testsuite/lib/gdb.exp | 249 +++++ gdb/tramp-frame.c | 1 + gdb/tramp-frame.h | 5 + gdbserver/Makefile.in | 2 +- gdbserver/configure.srv | 3 +- gdbserver/linux-aarch64-low.cc | 86 +- gdbserver/linux-aarch64-tdesc.cc | 28 +- gdbserver/remote-utils.cc | 13 +- gdbserver/server.h | 2 +- gdbserver/tdesc.cc | 23 +- gdbserver/tdesc.h | 4 +- 81 files changed, 7506 insertions(+), 756 deletions(-) create mode 100644 gdb/arch/aarch64-scalable-linux.c create mode 100644 gdb/arch/aarch64-scalable-linux.h create mode 100644 gdb/features/aarch64-sme.c create mode 100644 gdb/nat/aarch64-scalable-linux-ptrace.c create mode 100644 gdb/nat/aarch64-scalable-linux-ptrace.h rename gdb/nat/{aarch64-sve-linux-sigcontext.h => aarch64-scalable-linux-sigcontext.h} (78%) delete mode 100644 gdb/nat/aarch64-sve-linux-ptrace.c delete mode 100644 gdb/nat/aarch64-sve-linux-ptrace.h create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-core-0.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-core-1.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-core-2.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-core-3.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-core-4.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-core.c create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-core.exp.tcl create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-available-0.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-available-1.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-available-2.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-available-3.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-available-4.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-available-5.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-available-6.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-available-7.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-available-8.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-available-9.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-available.c create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-available.exp.tcl create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-sigframe-0.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-sigframe-1.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-sigframe-2.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-sigframe-3.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-sigframe-4.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-sigframe.c create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-sigframe.exp.tcl create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-unavailable-0.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-unavailable-1.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-unavailable-2.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-unavailable-3.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-unavailable-4.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-unavailable-5.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-unavailable-6.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-unavailable-7.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-unavailable-8.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-unavailable-9.exp create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-unavailable.c create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-unavailable.exp.tcl create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-sanity.c create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-sanity.exp create mode 100644 gdb/testsuite/lib/aarch64-scalable.exp create mode 100644 gdb/testsuite/lib/aarch64-test-sme.c create mode 100644 gdb/testsuite/lib/aarch64-test-sve.c create mode 100644 gdb/testsuite/lib/aarch64.exp -- 2.25.1