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From: Daniel Jacobowitz <drow@mvista.com>
To: John Utz <Johnut01@noa.nintendo.com>
Cc: gdb@sources.redhat.com
Subject: Re: gdbserver coredumps,what is the *right* libthread_db.so for gdbserver on a given platform?
Date: Fri, 23 Jan 2004 20:48:00 -0000	[thread overview]
Message-ID: <20040123204854.GA5648@nevyn.them.org> (raw)
In-Reply-To: <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


  reply	other threads:[~2004-01-23 20:48 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-01-23 20:42 John Utz
2004-01-23 20:48 ` Daniel Jacobowitz [this message]
     [not found] <s0118e76.054@smtpgw1.nintendo.com>
2004-01-24 14:42 ` Daniel Jacobowitz
  -- strict thread matches above, loose matches on Subject: below --
2004-01-24  5:13 John Utz
     [not found] <s0112c91.027@smtpgw1.nintendo.com>
2004-01-23 22:50 ` Daniel Jacobowitz
2004-01-23 22:15 John Utz
2004-01-23 20:32 John Utz
2004-01-23 20:34 ` Daniel Jacobowitz

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