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Re: gdbserver coredumps,what is the *right* libthread_db.so for gdbserver on a given platform?
- From: Daniel Jacobowitz <drow at mvista dot com>
- To: John Utz <Johnut01 at noa dot nintendo dot com>
- Cc: gdb at sources dot redhat dot com
- Date: Fri, 23 Jan 2004 15:48:54 -0500
- Subject: Re: gdbserver coredumps,what is the *right* libthread_db.so for gdbserver on a given platform?
- References: <s01116c1.069@smtpgw1.nintendo.com>
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