Re: [NEED HELP] Problem to multithread remote debugging withGDBserver

[David Lecomber <david at allinea dot com>]

On Thu, 2005-10-27 at 08:47 -0400, Daniel Jacobowitz wrote:
> On Thu, Oct 27, 2005 at 03:26:55AM -0700, Peter Choi wrote:
> > Hi,
> > 
> >   I've heard that GDB 5.3 onwards has supported remote
> > debugging multiple thread programs, but I still fail
> > to do so. I wonder what I have done wrong.
> 
> > First we set everything up and connect:
> > 
> >     (gdb) set solib-search-path
> > /usr/local/cris/r59/cris-axis-linux-gnu/lib/
> >     (gdb) set solib-absolute-prefix /dev/null/
> 
> First of all don't do that.  Use solib-absolute-prefix and make a host
> environment that looks like the target.  It's much more likely to work.
> 
> Second, you didn't mention until here that your target was cris.  It
> just takes a couple of lines to implement multithread support in
> gdbserver, but they have to be done for each port; I don't know if
> anyone has done that for cris yet.  In fact gdbserver didn't support
> cris until after the release of 6.3, so you should be using CVS.

Hi Daniel

A much asked question seems to be how do you implement multithread
support in gdbserver..   Where would you go about finding documentation
for this, my googling has only so far come up with an email from you of
about two years or so ago seeing we need some docs!  Is there a True
Definitive Guide?

Cheers
David