Proposal: contrib/bpf_inspect.py: disas bpf prog with capstone

So, I try to disas bpf prog with capstone.
Here's an example.
$ sudo drgn ./contrib/bpf_inspect.py i
For help, type help(drgn).
>>> import drgn
>>> from drgn import NULL, Object, cast, container_of, execscript, offsetof, reinterpret, sizeof, stack_trace
>>> from drgn.helpers.common import *
>>> from drgn.helpers.linux import *
>>> list_bpf_progs()
     2: BPF_PROG_TYPE_TRACING            hid_tail_call
  2295: BPF_PROG_TYPE_EXT                entry                            tail_call_reachable
  2400: BPF_PROG_TYPE_EXT                entry                            tail_call_reachable
  3810: BPF_PROG_TYPE_CGROUP_SKB         sd_fw_egress
  3811: BPF_PROG_TYPE_CGROUP_SKB         sd_fw_ingress
  3812: BPF_PROG_TYPE_CGROUP_DEVICE      sd_devices
  3813: BPF_PROG_TYPE_CGROUP_DEVICE      sd_devices
  3814: BPF_PROG_TYPE_CGROUP_DEVICE      sd_devices
  3815: BPF_PROG_TYPE_CGROUP_DEVICE      sd_devices
  3816: BPF_PROG_TYPE_CGROUP_SKB         sd_fw_egress
  3817: BPF_PROG_TYPE_CGROUP_SKB         sd_fw_ingress
  3818: BPF_PROG_TYPE_CGROUP_DEVICE      sd_devices
  3819: BPF_PROG_TYPE_CGROUP_SKB         sd_fw_egress
  3820: BPF_PROG_TYPE_CGROUP_SKB         sd_fw_ingress
  3821: BPF_PROG_TYPE_CGROUP_DEVICE      sd_devices
  4235: BPF_PROG_TYPE_SCHED_CLS          entry1
>>> p = get_bpf_prog_by_id(4235)
>>> subprog = p.get_subprog(2)
>>> print("\n".join(subprog.disas()))
/usr/local/lib/python3.12/dist-packages/capstone/__init__.py:380: UserWarning: Module _drgn was already imported from /usr/lib/python3/dist-packages/_drgn.cpython-312-x86_64-linux-gnu.so, but /root/shares/Projects/leonhwang/drgn-bpf is being added to sys.path
  import pkg_resources
/usr/local/lib/python3.12/dist-packages/capstone/__init__.py:380: UserWarning: Module drgn was already imported from /usr/lib/python3/dist-packages/drgn/__init__.py, but /root/shares/Projects/leonhwang/drgn-bpf is being added to sys.path
  import pkg_resources
0xffffffffc009ed48: 0f 1f 44 00 00      nop dword ptr [rax + rax]
0xffffffffc009ed4d: 66 90               nop
0xffffffffc009ed4f: 55                  push    rbp
0xffffffffc009ed50: 48 89 e5            mov rbp, rsp
0xffffffffc009ed53: 48 bf 22 79 bc 81 01 99 ff ff   movabs  rdi, 0xffff990181bc7922
0xffffffffc009ed5d: be 12 00 00 00      mov esi, 0x12
0xffffffffc009ed62: e8 89 90 44 c4      call    0xffffffff844e7df0
0xffffffffc009ed67: 31 c0               xor eax, eax
0xffffffffc009ed69: c9                  leave
0xffffffffc009ed6a: c3                  ret
0xffffffffc009ed6b: cc                  int3
But, if import capstone directly, it warns cyclic import.
osandov / drgn

Proposal: contrib/bpf_inspect.py: disas bpf prog with capstone #409
