RFR: 8022853: add ability to load uncompressed object and Klass references in a compressed environment to Unsafe

[Vitaly Davidovich]

stray '\', I meant

On Wed, Apr 22, 2015 at 2:16 PM, Vitaly Davidovich <vitalyd at gmail.com>
wrote:

> Chris, I think you have a stray '/' here:
>
> 185   if (UseCompressedOops) {            \
>
> ?
>
>
>
> On Wed, Apr 22, 2015 at 1:56 PM, Christian Thalinger <
> christian.thalinger at oracle.com> wrote:
>
>> https://bugs.openjdk.java.net/browse/JDK-8022853
>>
>> In some native data structures of the VM oops are stored uncompressed
>> even if compressed oops are turned on, for example Klass::_java_mirror.
>> Java code which is tightly coupled with the VM should have the ability to
>> read and write such fields.
>>
>> This additional Unsafe API make the implementation of JEP 243: Java-Level
>> JVM Compiler Interface simpler.
>>
>> http://cr.openjdk.java.net/~twisti/8022853/hotspot/webrev.01/
>> http://cr.openjdk.java.net/~twisti/8022853/jdk/webrev.01/
>>
>>
>