Re: gdb and gdbserver compatability

[ColinB <cbyh at yahoo dot com>]

Anyone? (pretty please?)

Colin Browell

--- ColinB <cbyh@yahoo.com> wrote:
> From ColinB Mon Jul 30 03:21:15 2001
> Received: from [195.99.244.2] by web11606.mail.yahoo.com; Mon, 30 Jul
> 2001 03:21:15 PDT
> Date: Mon, 30 Jul 2001 03:21:15 -0700 (PDT)
> From: ColinB <cbyh@yahoo.com>
> Subject: gdb and gdbserver compatability
> To: gdb@sourceware.cygnus.com
> MIME-Version: 1.0
> Content-Type: text/plain; charset=us-ascii
> Content-Length: 1792
> 
> We are currently using gdb and gdbserver for remote debugging on a
> LynxOS platform. The gdb/gdbsever source has been modified by Lynx so
> that it will compile on LynxOS.
> 
> The target machine (running gdbserver) has an older version of LynxOS
> than the local machine (running gdb), but we were able to compile the
> gdb source from the local machine on the older remote machine, so we
> currently have the same version of gdb and gdbserver (4.16-97r1)
> running on both systems.
> 
> However we now need to run a more recent version of LynxOS on the
> local
> machine but have found that that there are so many changes to LynxOS
> that we can not compile the corresponding version of gdb/gdbserver
> (4.17-gnupro-98r2) source code on the old target machine. We could
> get
> Lynx involved to modify their gdb source code so that it would build
> on
> the older target, but this may not be necessary if it was possible to
> have a 4.17 gdb working correctly with a 4.16 gdbserver.
> 
> What I am trying to ascertain is if there are any significant changes
> between gdb versions 4.16 and 4.17 which could affect this
> cross-version working. If the gdb/gdbserver communication protocol
> has
> not changed between these two versions then this may work OK, but
> there
> may be a lot of more subtle changes which will prevent it or cause
> obscure problems.
> 
> Can anyone comment on whether this cross-version approach is likely
> to
> be OK?
> 
> Obviously we'd still have to check with Lynx re their
> platform-depandant changes to gdb, but at least if we could get some
> idea whether the *generic* version of gdb would work this way then
> that
> would be a start.
> 
> Thanks,
> 
> Colin Browell


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