gdbserver coredumps,what is the *right* libthread_db.so for gdbserver on a given platform?

[Daniel Jacobowitz]

On Fri, Jan 23, 2004 at 12:42:25PM -0800, John Utz wrote:
> Hi Daniel!
> 
> tnx so much for responding.
> 
> >>>> Daniel Jacobowitz <drow@mvista.com> 01/23/04 12:34PM >>>
> >On Fri, Jan 23, 2004 at 12:32:18PM -0800, John Utz wrote:
> >> Hi;
> >> problem i am having is that when gdbserver tries to load the
> symbols
> >> for for libpthread-0.9.so, it segfaults.
> >> 
> >> it seems to not matter *which* libthread_db.so i stuff into my
> search
> >> path on the target
> >
> > It doesn't matter what's on your search path on the _TARGET_.  The
> > segfault is usually a symptom that the libthread_db loaded on the
> > _HOST_ does not match the one in use on the target system.
> 
> remarkably interesting! what does gdbserver us thread_db for? i noticed
> that when i puposefully deleted -lthread_db it actually only uses a few
> calls from libthread_db....if you could enlighten me about that i would
> be really grateful.

It uses it for those calls, of course.  Specifically, to locate new
threads after pthread_create.

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer