questions / suggestions about gdb

[Charles James Leonardo Quarra Cappiello]

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?


-Charles Quarra



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