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Ip=[63.35.35.123]; Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: DBAEUR03FT054.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: GV2PR08MB8341 X-Spam-Status: No, score=-5.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, FORGED_SPF_HELO, KAM_DMARC_NONE, NICE_REPLY_A, 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 X-BeenThere: gdb@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Luis Machado via Gdb Reply-To: Luis Machado Errors-To: gdb-bounces+public-inbox=simark.ca@sourceware.org Sender: "Gdb" On 6/29/23 09:08, Matheus Tavares Bernardino wrote: > On Wed, Jun 28, 2023 at 9:14 AM Luis Machado wrote: >> >> It seems those two commands actions, bc (backwards continue) and bs (backwards step), were never implemented in gdbserver. >> >> I wasn't aware they existed at all. The fact they are not properly documented might mean they aren't actually used that much. >> >> Do you have a remote debugging stub that can do reverse continue/step over the RSP? > > This was originally reported at the QEMU mailing list: > https://lore.kernel.org/qemu-devel/20230623035304.279833-1-npiggin@gmail.com/t/#u I chatted with Alex B. and it seems it's been used in QEMU for a while. So it does seem like a case of the documentation not being very precise/exhaustive. Should be easy enough to change.