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>>>>> "joel" == joel <joel@OARcorp.com> writes: joel> On Sun, 20 Sep 1998, Robert J. Brown wrote: >> A couple of years ago I found one at ???.ncsu.edu, but it was a >> cpu simulator. More like an ICE than a software debugger like >> Xray. I have written these things before for custom hardware. >> They are not so much difficult to write as they are tedious to >> test. joel> I believe this one is called BSVC and the last time I looked joel> at it was 68000 only with limited peripheral support. This joel> was not integrated into gdb. Ideally I would like to see joel> one integrated with gdb. A good software cpu simulator should provide features a software debugger cannot possibly provide. I should think the easiest way to integrate such a thing with gdb would be to stick a cross-debug gdb interface into the software load and do it exactly like you would do it on a real hardware platform. A fancier interface might hook back to to simulation support code to do the kernel cross-debug thing, but then you would not be testing the cross debug interface you will ultimately need on the real hardware anyway. -- -------- "And there came a writing to him from Elijah" [2Ch 21:12] -------- R. J. Brown III rj@elilabs.com http://www.elilabs.com/~rj voice 847 543-4060 Elijah Laboratories Inc. 457 Signal Lane, Grayslake IL 60030 fax 847 543-4061 ----- M o d e l i n g t h e M e t h o d s o f t h e M i n d ------