Re: [PATCH 0/2] scripts/gdb/symbols: make BPF debug info available to GDB

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On Tue, Aug 5, 2025 at 6:23 AM Ilya Leoshkevich <iii@xxxxxxxxxxxxx> wrote:
>
> On Thu, 2025-07-10 at 13:53 +0200, Ilya Leoshkevich wrote:
> > 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      |  77 ++++++++-
> >  4 files changed, 462 insertions(+), 10 deletions(-)
> >  create mode 100644 scripts/gdb/linux/bpf.py
>
> Gentle ping. Any opinions on whether this is valuable? Personally I've
> been using this for quite some time, and having source level debugging
> for BPF progs (even if variables can't be inspected) feels really nice.

Looks very useful to me.
Not sure which git tree it should be routed to.





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