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Thu, 6 Nov 2025 12:46:01 +0000 (GMT) From: Ilya Leoshkevich To: Jan Kiszka , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Kieran Bingham , Andrew Morton Cc: linux-kernel@vger.kernel.org, bpf@vger.kernel.org, Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Ilya Leoshkevich Subject: [PATCH v2 0/2] scripts/gdb/symbols: make BPF debug info available to GDB Date: Thu, 6 Nov 2025 13:43:40 +0100 Message-ID: <20251106124600.86736-1-iii@linux.ibm.com> X-Mailer: git-send-email 2.51.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: RoYRZSKI-6pZOJJoUthk7h7gmXA4XuIL X-Proofpoint-GUID: RoYRZSKI-6pZOJJoUthk7h7gmXA4XuIL X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTAxMDAyMSBTYWx0ZWRfX8pLRdQw0XMRA nUL3QgVSPOoT3dxvYAt0gng95lOCUIFr9iNc9Ll95x0KJvVD+UNTUafrJ+J/F1Nvf/FFJ2Jfzit GJNHRej7LbeZ8V2tY+O91S7OqMOQMO1dwOxctTZoMs6ARg5SAD/lK4rDj4pn8nf+cnAqyIYBMXd MheV/3D/n1CxjMGf5MRfGYyvp+a4f3RE2Sxq9i+aP0a5W5EcgUzzhOtLi67JMIWFZf23Is6Xys+ tGLbU/ZAzP15hthVa4Gy432VBNComsEtIoSUDH4dZYHpuKOJW22zNcPQvk5RIbv6oOvhun0xXZC Xy5sWS3C/slajj1vuLyQCzwz1Ee634JBW76SRX1bx8wwJWxJFBMvD0E7wO+BRDss5IsmY1/iE1r CNDolTtuwZWOHbrNiiI4fuMVpymUVg== X-Authority-Analysis: v=2.4 cv=U6qfzOru c=1 sm=1 tr=0 ts=690c988f cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=6UeiqGixMTsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=kNVtBLC0NxUZ2hMEPw8A:9 a=cPQSjfK2_nFv0Q5t_7PE:22 a=HhbK4dLum7pmb74im6QT:22 a=pHzHmUro8NiASowvMSCR:22 a=Ew2E2A-JSTLzCXPT_086:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-06_03,2025-11-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 adultscore=0 impostorscore=0 spamscore=0 phishscore=0 clxscore=1015 malwarescore=0 lowpriorityscore=0 suspectscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510240000 definitions=main-2511010021 v1: https://lore.kernel.org/bpf/20250710115920.47740-1-iii@linux.ibm.com/ v1 -> v2: Hide the feature behind the -bpf flag for performance reasons (Jan). Fix running lx-symbols twice. Hi, This series greatly simplifies debugging BPF progs when using QEMU gdbstub by providing symbol names, sizes, and line numbers to GDB. Patch 1 adds radix tree iteration, which is necessary for parsing prog_idr. Patch 2 is the actual implementation; its description contains some details on how to use this. Best regards, Ilya Ilya Leoshkevich (2): scripts/gdb/radix-tree: add lx-radix-tree-command scripts/gdb/symbols: make BPF debug info available to GDB scripts/gdb/linux/bpf.py | 253 ++++++++++++++++++++++++++++++ scripts/gdb/linux/constants.py.in | 3 + scripts/gdb/linux/radixtree.py | 139 +++++++++++++++- scripts/gdb/linux/symbols.py | 105 +++++++++++-- 4 files changed, 481 insertions(+), 19 deletions(-) create mode 100644 scripts/gdb/linux/bpf.py -- 2.51.1