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Fri, 19 May 2023 10:25:10 +0000 From: Luis Machado To: Subject: [PATCH v2 00/17] SME support for AArch64 gdb/gdbserver on Linux Date: Fri, 19 May 2023 11:24:51 +0100 Message-ID: <20230519102508.14020-1-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: DBAEUR03FT057:EE_|PA4PR08MB7523:EE_|DBAEUR03FT044:EE_|GVXPR08MB7821:EE_ X-MS-Office365-Filtering-Correlation-Id: 197260a9-d5fb-460e-74b4-08db58535c2e 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:(13230028)(4636009)(346002)(376002)(39860400002)(136003)(396003)(451199021)(46966006)(36840700001)(40470700004)(70206006)(70586007)(478600001)(316002)(7696005)(6666004)(36756003)(41300700001)(83380400001)(5660300002)(6916009)(40460700003)(1076003)(26005)(186003)(8676002)(8936002)(40480700001)(44832011)(2616005)(426003)(36860700001)(47076005)(336012)(2906002)(82740400003)(356005)(86362001)(81166007)(82310400005)(36900700001);DIR:OUT;SFP:1101; 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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 May 2023 10:25:25.4979 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 197260a9-d5fb-460e-74b4-08db58535c2e 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: DBAEUR03FT044.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: GVXPR08MB7821 X-Spam-Status: No, score=-5.9 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 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. Ezra Sitorus (1): [binutils/aarch64] sme: Core file support Luis Machado (16): [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/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] corefile/bug: Use thread-specific gdbarch when dumping register state to core files [gdb/generic] corefile/bug: Fixup (gcore) core file target description reading order [gdb/aarch64] sme: Core file support for Linux [gdb/testsuite] sme: Add SVE/SME testcases [gdb/docs] sme: Document SME registers and features bfd/elf-bfd.h | 4 + bfd/elf.c | 58 + gdb/Makefile.in | 6 +- gdb/NEWS | 11 + gdb/aarch64-linux-nat.c | 179 ++-- gdb/aarch64-linux-tdep.c | 951 ++++++++++++++--- gdb/aarch64-tdep.c | 724 ++++++++++++- gdb/aarch64-tdep.h | 47 + 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 | 24 +- gdb/doc/gdb.texinfo | 249 +++++ gdb/features/aarch64-sme.c | 63 ++ gdb/linux-tdep.c | 18 +- gdb/nat/aarch64-scalable-linux-ptrace.c | 993 ++++++++++++++++++ gdb/nat/aarch64-scalable-linux-ptrace.h | 156 +++ ....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 | 18 + gdb/testsuite/gdb.arch/aarch64-sme-core-1.exp | 18 + gdb/testsuite/gdb.arch/aarch64-sme-core-2.exp | 18 + gdb/testsuite/gdb.arch/aarch64-sme-core-3.exp | 18 + gdb/testsuite/gdb.arch/aarch64-sme-core-4.exp | 18 + gdb/testsuite/gdb.arch/aarch64-sme-core.c | 361 +++++++ .../gdb.arch/aarch64-sme-core.exp.tcl | 167 +++ .../gdb.arch/aarch64-sme-regs-available-0.exp | 18 + .../gdb.arch/aarch64-sme-regs-available-1.exp | 18 + .../gdb.arch/aarch64-sme-regs-available-2.exp | 18 + .../gdb.arch/aarch64-sme-regs-available-3.exp | 18 + .../gdb.arch/aarch64-sme-regs-available-4.exp | 18 + .../gdb.arch/aarch64-sme-regs-available.c | 184 ++++ .../aarch64-sme-regs-available.exp.tcl | 194 ++++ .../gdb.arch/aarch64-sme-regs-sigframe-0.exp | 18 + .../gdb.arch/aarch64-sme-regs-sigframe-1.exp | 18 + .../gdb.arch/aarch64-sme-regs-sigframe-2.exp | 18 + .../gdb.arch/aarch64-sme-regs-sigframe-3.exp | 18 + .../gdb.arch/aarch64-sme-regs-sigframe-4.exp | 18 + .../gdb.arch/aarch64-sme-regs-sigframe.c | 368 +++++++ .../aarch64-sme-regs-sigframe.exp.tcl | 156 +++ .../aarch64-sme-regs-unavailable-0.exp | 18 + .../aarch64-sme-regs-unavailable-1.exp | 18 + .../aarch64-sme-regs-unavailable-2.exp | 18 + .../aarch64-sme-regs-unavailable-3.exp | 18 + .../aarch64-sme-regs-unavailable-4.exp | 18 + .../gdb.arch/aarch64-sme-regs-unavailable.c | 154 +++ .../aarch64-sme-regs-unavailable.exp.tcl | 162 +++ gdb/testsuite/gdb.arch/aarch64-sme-sanity.c | 249 +++++ gdb/testsuite/gdb.arch/aarch64-sme-sanity.exp | 72 ++ gdb/testsuite/lib/aarch64.exp | 372 +++++++ gdb/testsuite/lib/gdb.exp | 63 ++ gdb/tramp-frame.c | 1 + gdb/tramp-frame.h | 12 + gdbserver/Makefile.in | 2 +- gdbserver/configure.srv | 3 +- gdbserver/linux-aarch64-low.cc | 100 +- gdbserver/linux-aarch64-tdesc.cc | 28 +- gdbserver/server.h | 2 +- 62 files changed, 6509 insertions(+), 694 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.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.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.exp -- 2.25.1