Please review fix for 7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No,suitable match for type

Jon Masamitsu jon.masamitsu at
Wed Sep 5 13:46:23 PDT 2012

I didn't see any changes in the first file.  Should I have?


On 9/5/2012 1:23 PM, Coleen Phillimore wrote:
> Summary: Need to restore the vtable in metadata when we restore the 
> type from the shared archive.
> When dumping the shared archive all the C++ vtables are patched to be 
> a piece of code that inserts the actual vtable in the type, and calls 
> through the actual vtable to where the function was restored.   SA 
> uses the address of the vtable to determine which metadata type it is 
> looking at.  By calling one virtual function during restore, we can 
> restore the c++ vtable to the actual one so SA can match it.
> (systemDictionary is a whitespace change).
> Tested sajdi tests.
> Thanks,
> Coleen

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