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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47a9de1d910sm18646363f8f.6.2026.07.05.14.58.23 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Sun, 05 Jul 2026 14:58:24 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Chao Liu , alex.bennee@linaro.org, qemu-s390x@nongnu.org, Magnus Kulke , Zhao Liu , qemu-ppc@nongnu.org, Paolo Bonzini , Xiaoyao Li , Richard Henderson , Mohamed Mediouni , Peter Maydell Subject: [PATCH v3 07/32] gdbstub: Only return E22 when reverse GDB is not supported Date: Sun, 5 Jul 2026 23:57:03 +0200 Message-ID: <20260705215729.62196-8-philmd@oss.qualcomm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260705215729.62196-1-philmd@oss.qualcomm.com> References: <20260705215729.62196-1-philmd@oss.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=VvoTxe2n c=1 sm=1 tr=0 ts=6a4ad382 cx=c_pps a=qKBjSQ1v91RyAK45QCPf5w==:117 a=4s3hRJSeHn4rkQlkrse1kQ==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=M51BFTxLslgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=EUspDBNiAAAA:8 a=KKAkSRfTAAAA:8 a=0n23ylXGgdPVI_k3iFEA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=NFOGd7dJGGMPyQGDc5-O:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-ORIG-GUID: WaKtnMAuGHsGkRZRVZHFdx_d9DqAGUMn X-Proofpoint-GUID: WaKtnMAuGHsGkRZRVZHFdx_d9DqAGUMn X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA1MDIzNyBTYWx0ZWRfX0Br998YPj5OV eyyvonUQkvQ4VU8uOvlwOozkRWb9MEHojxpcgZ+K7pY9T8YcnpfqyAsPuLiqX5L7Oa/TFpPU3dP kWWKX7Klm4eqy8qbyP13esNYwHneF1Y= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA1MDIzNyBTYWx0ZWRfX2sPrPhi3DAut eDo0EqjS/LiXEIl/t5+NmchKN9Pao3j4bSfsG6nU7xbSwCl8hk6xc2HNwVb+tiVWplzLxPD+TPz n4JTB9swv0lV1/a5+3Ipqp8qTYiXQ4MmQGHPpCdlfTaeOx2Zd2meRY3kDoObOwRmcuFOlNyfZ4V Lp/j6P2jAvgRqFUxYe1QPjL3dTHshgxx2Ecw7mIunaUuyZa1WJKBph1ouOMuH09KX5bUUlyguwa 3sJmZyTlPWNspnPsn0Nb4jtfOSZUM2hYuS33HzwOANgpQwUJVL2UKG4DIXP6AhJgXSidZH3NXFl gDVDCG67K2Hu9eP2szzyHWI9e2Acoj2GGZ1248Cyx8umJ8Af40gEfi1d4GZP1cj+WlLzDQvNHk6 lnDGR/p7DSpki2Xx0NFBtwFKy+62TeRB6dQ+OGRgZfmUxa03QyyFgt0KmenmJyDN/EWmZvV5c8Y CVHdE9lMpyNtzUguhJw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-07-05_01,2026-07-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 bulkscore=0 priorityscore=1501 lowpriorityscore=0 adultscore=0 suspectscore=0 impostorscore=0 clxscore=1015 malwarescore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607050237 Received-SPF: pass client-ip=205.220.168.131; envelope-from=philmd@oss.qualcomm.com; helo=mx0a-0031df01.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org No need to keep processing the arguments when we know reverse debugging is not available. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Daniel Henrique Barboza Reviewed-by: Alex Bennée --- gdbstub/gdbstub.c | 1 + 1 file changed, 1 insertion(+) diff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c index 246e7746300..f54415a9db7 100644 --- a/gdbstub/gdbstub.c +++ b/gdbstub/gdbstub.c @@ -1378,6 +1378,7 @@ static void handle_backward(GArray *params, void *user_ctx) { if (!gdb_can_reverse()) { gdb_put_packet("E22"); + return; } if (params->len == 1) { switch (gdb_get_cmd_param(params, 0)->opcode) { -- 2.53.0