On Apr 28, 2008, at 10:59 AM, Scott Wood wrote:
On Mon, Apr 28, 2008 at 10:40:56AM -0500, Kumar Gala wrote:
A few possibilities:
* introduce an additional function pointer as part of
EXC_XFER_TEMPLATE() to specifies the type of handler (normal, crit,
dbg, mcheck)
* use the traps field low order bits to determine normal, crit, dbg,
mcheck at run time.
* duplicate the code paths for each exception level

suggestions?

You could temporarily disable all asynchronous exceptions, and use the
registers of the highest-priority exception type.

That doesn't work.  We have NMIs or will have them in the future.

- k
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