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Re: gdbstub initial code, v8
On 09/06, Frank Ch. Eigler wrote:
>
> Oleg Nesterov <oleg@redhat.com> writes:
>
> > [...]
> >> Therefore until you track some ugdb-specific software(*)
> >> breakpoints ugdb does not need to support Z0 IMO. I guess ugdb
> >> will never have to support these: thread-related(?) and tracepoint
> >> ones.
>
> > Good! I thought ugdb should somehow handle this all "transparently"
> > for gdb. I thought (I don't know why) that writing "int 3" from gdb
> > side should be avoided in favour of some "better" method unknown to me.
>
> Please note that last year's gdbstub prototype used kernel uprobes as
> an optional gdb breakpoint implementation (i.e., a backend for the Z
> packets). When/if the lkml uprobes patches actually get merged, ugdb
> should also use them.
Yes, agreed.
Oleg.