>>>>> "MikeW" == MikeW <mw_phil@yahoo.co.uk> writes: MikeW> I note gbd has support for the older technique of overlays; is MikeW> there any way to tell gdb that the 0x8000... and MikeW> 0xDF00... regions are actually the same physical memory ? I don't know of one. I think we'd accept a clean patch to add it. Tom