Re: Unhandled Exceptions?

[Alexander Wieder]
> Hi!
> I'm trying to understand the mechanisms of interrupt handling in
> Pistachio 0.4 on IA32. Now it seems to me that some exceptions
> aren't really handled. This includes exceptions like Divide Error
> and Overflow.  Although interrupt gates for these exceptions are set
> up (according to idt_t::idt_t()), the handler basicly constitutes an
> infinite loop (exc_catch, src/glue/v4-ia32/exception.cc).

> Did I get this right or are these exceptions handled?  If they are,
> I'd really appreciate a small hint where this is done in the source
> code.

You're right.  There are currently just dummy handlers that do
nothing.  The proper thing to do is to forward the exception to the
exception handler of the thread (like, e.g., the FPU_FAULT).

	eSk