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Re: unable to debug remotely with threads on ppc target with gdb6.1/6.3
On Tue, Apr 12, 2005 at 08:52:38AM +0100, Daniel THOMPSON wrote:
> Claudia Salzberg wrote:
> >I have tried both gdb 6.1 the latest version (6.3) and am trying to debug
> >a simple threaded program using pthreads remotely. The target board is a
> >440GP and the host is an x86 box. I see references to similar problems in
> >past posts from 12 2004 (
> >http://sourceware.org/ml/gdb/2004-12/msg00028.html) but did not see if a
> >patch was created.
>
> No I am not aware of any patch fixing this issue.
>
> The problem (as the thread says) is that ps_lgetregs is not implemented
> inside the gdbserver on PPC (or any other machine that uses
> PEEKUSER/POKEUSER to access its register sets).
>
> You should be able to jury rig a version by copying the code in
> ppc-linux-nat.c:fill_gregset() into the ps_lgetregs function and
> modifying the code to target the gdbserver register cache rather then
> the gdb register cache.
>
> There is, of course, a proper to way to do the above but you might want
> to confirm the above works first ;-)
That's not Claudia's problem; the above only applies to NPTL, and she
appears to be using LinuxThreads from the error logs.
--
Daniel Jacobowitz
CodeSourcery, LLC