RFR 8003421: NPG: Move oops out of InstanceKlass into mirror

[Dean Long]

It seems like you could take this opportunity to make these declared 
fields of java.lang.Class,
allowing, for example, getProtectionDomain0() to be a simple Java method 
instead of a native method.

dl

On 05/20/2013 03:39 PM, Coleen Phillimore wrote:
> Summary: Inject protection_domain, signers, init_lock into 
> java_lang_Class
>
> Net footprint change is zero except that these fields are in Java heap 
> rather than metaspace.  This helps a little with InstanceKlass size 
> which is in fixed size space with UseCompressedKlassPointers. Included 
> serviceability because there were SA changes to code that I don't know 
> is used.
>
> Future work is to remove the signers field and the unused 
> SetProtectionDomain function.
>
> open webrev at http://cr.openjdk.java.net/~coleenp/8003421/
> bug link at http://bugs.sun.com/view_bug.do?bug_id=8003421
>
> Tested with vm.quick.testlist, JPRT, jtreg java/security tests and 
> jck8 tests.
>
> Thanks,
> Coleen