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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:(13230031)(36860700004)(82310400014)(376005)(1800799015); DIR:OUT; SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Mar 2024 13:00:13.2485 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d8fddbc9-6f67-4120-d843-08dc4f2701cf 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: DU2PEPF00028CFC.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR08MB8633 X-Spam-Status: No, score=-5.6 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, FORGED_SPF_HELO, KAM_DMARC_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 X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces+public-inbox=simark.ca@sourceware.org Hi Gustavo, On 3/28/24 07:00, Gustavo Romero wrote: > This series introduces a new method to check for MTE-tagged addresses on > remote targets. > > A new remote packet, qMemTagAddrCheck, is introduced, along with a new > remote feature associated with it, 'memory-tagging-check-add+'. Only > when 'memory-tagging-check-add+' feature is advertised GDB will use the > new packet to query if an address is tagged. > > This new mechanism allows for checking MTE addresses in an OS-agnostic > way, which is necessary when debugging targets that do not support > '/proc//smaps', as the current method of reading smaps contents > fails in such cases. > > Cheers, > Gustavo > > Gustavo Romero (4): > gdb: aarch64: Remove MTE address checking from get_memtag > gdb: aarch64: Move MTE address check out of set_memtag > gdb: aarch64: Remove MTE address checking from memtag_matches_p > gdb: Add new remote packet to check if address is tagged > > gdb/aarch64-linux-nat.c | 8 +++++ > gdb/aarch64-linux-tdep.c | 22 +++----------- > gdb/arch-utils.c | 2 +- > gdb/arch-utils.h | 2 +- > gdb/corelow.c | 8 +++++ > gdb/gdbarch-gen.h | 4 +-- > gdb/gdbarch.c | 2 +- > gdb/gdbarch_components.py | 2 +- > gdb/printcmd.c | 29 +++++++++++------- > gdb/remote.c | 62 +++++++++++++++++++++++++++++++++++++++ > gdb/target-delegates.c | 28 ++++++++++++++++++ > gdb/target.c | 6 ++++ > gdb/target.h | 6 ++++ > 13 files changed, 147 insertions(+), 34 deletions(-) > Thanks for the series. Please bear with me while I go through it and try it on my end.