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

[Vitaly Davidovich]

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/
>
>