[needusername]

I don't know, it looks as if you have to hardcode pointer sizes in the source code.

https://twitter.com/sundararajan_a/status/101507363642677248...

[chrisseaton]

Where are you seeing that? The pointer in that example doesn't have a hardcoded size.

[needusername]

u64 in the annotation value

Check out this document http://cr.openjdk.java.net/~mcimadamore/panama/panama-binder... for the syntax.