Ilya Leoshkevich <i...@linux.ibm.com> wrote:
>
> On Tue, 2023-08-01 at 12:37 -0300, Matheus Tavares Bernardino wrote:
> > Previously, qemu-user would always report PID 1 to GDB. This was
> > changed
> > at dc14a7a6e9 (gdbstub: Report the actual qemu-user pid, 2023-06-30),
> > but read_thread_id() still considers GDB packets with "no PID" as
> > "PID
> > 1", which is not the qemu-user PID. Fix that by parsing "no PID" as
> > "0",
> > which the GDB Remote Protocol defines as "any process".
> > 
> > Note that this should have no effect for system emulation as, in this
> > case, gdb_create_default_process() will assign PID 1 for the first
> > process and that is what the gdbstub uses for GDB requests with no
> > PID,
> > or PID 0.
> > 
> > This issue was found with hexagon-lldb, which sends a "Hq" packet
> > with
> > only the thread-id, but no process-id, leading to the invalid usage
> > of
> > "PID 1" by qemu-hexagon and a subsequent "E22" reply.
>
> Did you mean "Hg"?

Oops, that's right, thanks.

Reply via email to