From: Daniel Jacobowitz <drow@mvista.com>
To: Richard Henderson <rth@twiddle.net>
Cc: gdb@gcc.gnu.org
Subject: Re: turn off thread support?
Date: Mon, 12 Jan 2004 23:12:00 -0000 [thread overview]
Message-ID: <20040112231236.GA27775@nevyn.them.org> (raw)
In-Reply-To: <20040112230631.GA32178@twiddle.net>
On Mon, Jan 12, 2004 at 03:06:31PM -0800, Richard Henderson wrote:
> Is there a way to temporarily turn off thread support in gdb?
> Also, is there a way to load an alternate thread_db library?
>
> I'm trying to debug libpthread itself, and keep getting told
> that the process no longer exists after hitting the SEGV.
Right now, neither easily. But if you LD_PRELOAD a different
libthread_db.so.1, then dlopen will use the one you gave it; and I
imagine that if you LD_PRELOAD a dummy library with that soname, then
the failed dlsym() calls will cause GDB to disable thread handling.
--
Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer
next prev parent reply other threads:[~2004-01-12 23:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-12 23:06 Richard Henderson
2004-01-12 23:12 ` Daniel Jacobowitz [this message]
2004-01-12 23:24 ` Richard Henderson
2004-01-19 20:20 ` Andrew Cagney
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