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Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.4 (by Flathub.org) MIME-Version: 1.0 X-Spam-Status: No, score=-0.2 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, SPF_HELO_PASS, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham 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@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Paul Smith via Gdb Reply-To: psmith@gnu.org Errors-To: gdb-bounces+public-inbox=simark.ca@sourceware.org Sender: "Gdb" On Sat, 2024-03-16 at 12:33 -0400, Simon Marchi wrote: > Here, GDB stopped at the very first instruction of the function.=C2=A0 Th= e > arguments are wrong: > If I step past the prologue, they become correct: Everything you discovered is identical to my situation in every way, and you got a little further than I did. It's interesting that as long as I don't invoke my perfect-forwarding fmt templated function it works; as soon as I do GDB seems to misinterpret the handling of the entire binary. It seems this is a bug in GDB, after all. I feel like you're in a better position to file a bug (with a deeper understanding of the problem) but if you would prefer me to do so I can. I'm certainly willing to test out any proposed fixes, if any were forthcoming. I do have the infrastructure here to build and test GDB. In the meantime I will look into what I can do to work around this issue as it's causing some of my tests to fail (we have a suite of GDB Python macros we use and we wrote tests of these macros in our test suite, which are failing due to this problem). I don't really want to delay deployment of my fmt changes until this GDB issue is fixed.=20 Perhaps I can modify the tests to add a "step" call, if it detects this incorrect prologue skip situation or something like that. Thanks! --=20 Paul D. Smith Find some GNU Make tips at: https://www.gnu.org http://make.mad-scientist.net "Please remain calm...I may be mad, but I am a professional." --Mad Scientist