RFR: 8210158: Accessorize JFR getEventWriter() intrinsics

[Rickard Bäckman]

Looks good.

/R

On 08/30, Erik Österlund wrote:
> Hi,
> 
> The JFR getEventWriter() intrinsics have code in C1 and C2 that manually
> resolves jobjects. This should go through the Access API to make sure the
> necessary GC barriers are inserted.
> 
> I noticed this in an attempt to move JNI handle processing out of the pause
> (among other things). It crashed in kitchensink.
> 
> Bug:
> https://bugs.openjdk.java.net/browse/JDK-8210158
> 
> Webrev:
> http://cr.openjdk.java.net/~eosterlund/8210158/webrev.00
> 
> I tested the patch by running it, together with a patch that moves out JNI
> handle processing outside of the pause, through hs-tier1-3, as well as
> running it through Kitchensink24H (as it originally crashed in kitchensink).
> 
> Thanks,
> /Erik