Re: questions / suggestions about gdb

Daniel Jacobowitz
2002-05-07T19:00:41Z

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.

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