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Re: questions / suggestions about gdb


On Tue, May 07, 2002 at 03:06:57PM -0400, Charles James Leonardo Quarra Cappiello wrote:
> 
> 
> On  Tue, 7 May 2002 15:00:37 -0400 Daniel Jacobowitz wrote:
> 
> >On Tue, May 07, 2002 at 02:58:03PM -0400, Charles James Leonardo Quarra 
> >Cappiello wrote:
> >> Hi,
> >>
> >>
> >> I'm an often user of gdb, and i was wondering, since debuggers cant go 
> >to
> >> past states (no inversibility of the run), it would be nice if two
> >> instances of the debugger could run synchronized with a given step 
> >offset,
> >> so when the advanced instance break, the retarded instance stops, 
> >keeping
> >> an analogous state which can be studied.
> >>
> >> This actually can be done or is not feasible? If can't be done just now 
> >but
> >> is from the debugger's developers point of view feasible, consider this 
> >a
> >> feature request.
> >
> >GDB just gained a feature that'll do almost what you want: the
> >`generate-core-file' command.  You can then debug the new corefile to
> >examine the frozen state.
> >
> can i activate the 'generate-core-file' a few steps before the program 
> breaks?

Whenever you want to; you just issue the command, and then you can come
back to look at the core file later.

-- 
Daniel Jacobowitz                           Carnegie Mellon University
MontaVista Software                         Debian GNU/Linux Developer


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