Re: [gnome-love] Weird behaviour debugging with GDB

[Elijah Newren <newren gmail com>]

On Apr 10, 2005 3:20 PM, Jaap Haitsma <jaap haitsma org> wrote:
> Hi,
>
> I see sometimes see some weird behavior when I debug GNOME programs.
> If I step trough some piece of sequential code without any loops or
> jumps with the next command. The next instruction some times goes one back.
> So if I had one instruction on each line I would expect gdb to go trough
> the lines like this: 1, 2, 3, 4, 5, 6. What I see happening though is
> something like this: 1, 2, 1, 2, 3, 4, 5, 6
>
> Anybody knows why this is happening?

Sounds like you're trying to debug code that has been optimized (e.g.
compiled with '-O2').  It's much easier to debug code compiled without
such optimization flags.


Elijah