RFR 8167372: Add code to check for getting oops while thread is in native

[coleen.phillimore at oracle.com]

Harold,
This looks good.
thanks!
Coleen

On 11/29/17 8:40 AM, harold seigel wrote:
> Please review this updated webrev that adds the assert suggested below 
> by Aleksey.
>
> http://cr.openjdk.java.net/~hseigel/bug_8167372.2/webrev/index.html
>
> This update was re-tested with the same tests as the original webrev.
>
> Note that this change will be pushed post JDK-10.
>
> Thanks, Harold
>
>
> On 11/16/2017 10:06 AM, Aleksey Shipilev wrote:
>> On 11/16/2017 02:38 PM, harold seigel wrote:
>>> Hi,
>>>
>>> Please review this JDK-10 enhancement for bug JDK-8167372.  As 
>>> described in the bug, this fix helps
>>> check for naked oops.  The fix was tested with JCK lang and VM 
>>> tests, JTReg hotspot and many JTReg
>>> JDK tests, M5 tier1 - tier5 tests, and JPRT.
>>>
>>> Open Webrev: 
>>> http://cr.openjdk.java.net/~hseigel/bug_8167372/webrev/index.html
>> This looks good.
>>
>> It probably makes sense to assert that JNIHandle::resolve path that 
>> unpacks the naked oops also has
>> thread in proper state? This would expose failures like in 
>> JDK-8191227 [1] better.
>>
>> Thanks,
>> -Aleksey
>>
>> [1] https://bugs.openjdk.java.net/browse/JDK-8191227
>>
>