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CTRY:GB; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:outbound-uk1.az.dlp.m.darktrace.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(14060799003)(1800799024)(36860700013)(82310400026)(35042699022)(376014); DIR:OUT; SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Sep 2025 11:09:47.9144 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2c6795d1-33af-49aa-c229-08ddf5118cb0 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d; Ip=[4.158.2.129]; Helo=[outbound-uk1.az.dlp.m.darktrace.com] X-MS-Exchange-CrossTenant-AuthSource: DB1PEPF000509E4.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB9PR08MB6444 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 Thanks for this - it's very helpful. > Thanks for the patch. > > On 05/09/2025 14:17, Ezra.Sitorus@arm.com wrote: > > From: Ezra Sitorus > > > > Add tests for FPMR support in gdb/gdbserver. These tests check > > availability of FPMR, reading/writing to FPMR and core file generation. > > > > For these tests, I have used shrinkwrap for FPMR emulation. I am not > > sure on how to do these tests properly as there are some things I'm not > > sure about: > > > > * Which board file do I use to test this? I've resorted to adapting > > remote-stdio-gdbserver.exp to use tcp when starting gdbserver > > remotely. > > If you have Linux running on the FVP, you need to build gdb/gdbserver > natively in there or cross-build aarch64-linux versions of gdb/gdbserver , > copy the binaries over and then invoke the testsuite like so: > > make check-gdb RUNTESTFLAGS="--target_board=native-gdbserver" > > You'll run gdb's testsuite against gdbserver inside the FVP. It will be > fairly slow for sure, but that's unfortunately how it goes. Why is it the case that we run gdb + gdbserver? I assume this is less demanding than running gdb on its own? > > If you want to exercise gdbserver in extended-remote mode, replace > native-gdbserver with native-extended-gdbserver. > > > * Do I need to run the whole regression test? This is quite slow, and > > comes up with a lot of failures. > > It is a good idea to run the entire testsuite at least once to make sure > things didn't break somewhere. If your change is aarch64-specific, it still > makes sense to run the entire testsuite (maybe run it on a big server to see > if things are still sane), but once you know the code is OK, you can then > focus on the gdb.arch/*aarch64*.exp tests. > Do you know roughly how long this takes? In my case, I've been running for 24 hours and it's still got a long way to go. Does changing to native-extended-gdbserver speed things up? On another note, I looked at the 'Testing gdbserver in a remote cross-target configuration' section in the TestingGDB page in GDB Wiki. Would this be a viable option? Unlike last time where I rewrote core_find for example, would this help out as it delegates compiling to the build system (if I've understood correctly)? Or should I just keep it simple with native-gdbserver/native-extended-gdbserver? Ezra