DWARF-2 EH for MinGW gcj?

[Mohan Embar]

Hi Ranjit,

>One of the approaches could be to see if the Win32 GUI
>callback code has frame pointers and then walk the chain
>of FPs back up the stack till we find a call frame that
>has associated DW2 unwind info. This could involve ugly
>code like what you can see in the implementation of
>backtrace for SJLJ i386 targets in libgcj.

Interesting. You would think that one of the MinGW folks
would have thought of this, though....

>Another approach could be to simply declare that MinGW
>GCC would not support exception propagation across
>foreign function calls and move on to better things in
>life. :-/

Nice one :)

-- Mohan
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