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

[Jaap Haitsma <jaap haitsma org>]

Elijah Newren wrote:
> 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.
Thanks, already thought of that. ;-) I just compiled with -g, or does 
that not disable all optimisation.

Jaap