hg: panama/dev: 8202907: Consolidate the design and implementation of the nicl support

[maurizio.cimadamore at oracle.com]

Changeset: 05ec42fdccc0
Author:    mcimadamore
Date:      2018-05-18 17:13 +0100
URL:       http://hg.openjdk.java.net/panama/dev/rev/05ec42fdccc0

8202907: Consolidate the design and implementation of the nicl support
* consolidate code paths for converting native values to Java and back

! src/java.base/share/classes/jdk/internal/nicl/NativeInvoker.java
! src/java.base/share/classes/jdk/internal/nicl/UpcallHandler.java
! src/java.base/share/classes/jdk/internal/nicl/Util.java
! test/jdk/java/nicl/printf/Printf.java