Some questions about gdb's remote protocol and reverse debugging

[Daniel Jacobowitz]

On Tue, Aug 11, 2009 at 04:22:30PM -0700, Michael Snyder wrote:
> >Is there any way to tell gdb to try to use hardware breakpoints (with
> >the 'Z1' and 'z1' commands) before resorting to 'M' and 'm' ? [In the
> >environment i'm working in, UndoDB, hardware breakpoints are more
> >convenient because they don't require any patching up of %pc, and
> >poking breakpoints directly into memory is not supported.]
> 
> Not as such, no.  You use a different syntax to set a hardware
> breakpoint.  The command is "hbreak" instead of "break".  You
> should at least be able to try stuff out with that.

Or, just make your stub treat Z0 as a hardware breakpoint?

-- 
Daniel Jacobowitz
CodeSourcery