agent/src/share/classes/sun/jvm/hotspot/gc_implementation/shenandoah/ShenandoahHeapRegion.java

rev 10772 : [backport] Update copyrights
rev 10773 : [backport] Minor cleanup of Shenandoah SA
rev 10794 : [backport] Trim unused code from Shenandoah SA

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2017, Red Hat, Inc. and/or its affiliates.
+ * Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *

@@ -33,68 +33,25 @@
 import java.util.Observable;
 import java.util.Observer;
 
 
 public class ShenandoahHeapRegion extends ContiguousSpace {
-    // static int RegionSizeBytes;
     private static CIntegerField RegionSizeBytes;
-    private static CIntegerField State;
-    private static CIntegerField regionNumber;
-
-    private static int empty_uncommitted;
-    private static int empty_committed;
-    private static int regular;
-    private static int humongous_start;
-    private static int humongous_cont;
-    private static int pinned_humongous_start;
-    private static int cset;
-    private static int pinned;
-    private static int pinned_cset;
-    private static int trash;
-
     static {
         VM.registerVMInitializedObserver(new Observer() {
             public void update(Observable o, Object data) {
                 initialize(VM.getVM().getTypeDataBase());
             }
         });
     }
 
     static private synchronized void initialize(TypeDataBase db) {
         Type type = db.lookupType("ShenandoahHeapRegion");
-
         RegionSizeBytes = type.getCIntegerField("RegionSizeBytes");
-        State = type.getCIntegerField("_state");
-        regionNumber = type.getCIntegerField("_region_number");
-
-        empty_uncommitted = db.lookupIntConstant("ShenandoahHeapRegion::_empty_uncommitted");
-        empty_committed = db.lookupIntConstant("ShenandoahHeapRegion::_empty_committed");
-        regular = db.lookupIntConstant("ShenandoahHeapRegion::_regular");
-        humongous_start = db.lookupIntConstant("ShenandoahHeapRegion::_humongous_start");
-        humongous_cont = db.lookupIntConstant("ShenandoahHeapRegion::_humongous_cont");
-        pinned_humongous_start = db.lookupIntConstant("ShenandoahHeapRegion::_pinned_humongous_start");
-        cset = db.lookupIntConstant("ShenandoahHeapRegion::_cset");
-        pinned_cset = db.lookupIntConstant("ShenandoahHeapRegion::_pinned_cset");
-        trash = db.lookupIntConstant("ShenandoahHeapRegion::_trash");
     }
 
     public static long regionSizeBytes() { return RegionSizeBytes.getValue(); }
 
-    public long regionNumber() { return regionNumber.getValue(addr); }
-
-    public boolean isUncommitted()      { return state() == empty_uncommitted; }
-    public boolean isEmpty()            { return state() == empty_committed; }
-    public boolean isRegular()          { return state() == regular; }
-    public boolean isHumongousStart()   { return state() == humongous_start; }
-    public boolean isHumongousCont()    { return state() == humongous_cont;  }
-    public boolean isPinnedHumongous()  { return state() == pinned_humongous_start; }
-    public boolean isCSet()             { return state() == cset; }
-    public boolean isPinned()           { return state() == pinned; }
-    public boolean isPinnedCset()       { return state() == pinned_cset; }
-    public boolean isTrash()            { return state() == trash; }
-
     public ShenandoahHeapRegion(Address addr) {
         super(addr);
     }
-
-    public int state() { return (int)State.getValue(addr); }
 }