RFR(XS): 8166806: Add intrinsic support for writer used in event based tracing

[Markus Gronlund]

Greetings,

 

Kindly asking for reviews for the following change:

 

Bug: http://bugs.openjdk.java.net/browse/JDK-8166806 

Webrev: http://cr.openjdk.java.net/~mgronlun/8166806/webrev/

 

Thanks in advance

Markus