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diff agent/src/share/classes/sun/jvm/hotspot/oops/ConstantPoolKlass.java @ 113:ba764ed4b6f2

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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
author coleenp
date Sun, 13 Apr 2008 17:43:42 -0400
parents a61af66fc99e
children d1605aabd0a1
line wrap: on
line diff
--- a/agent/src/share/classes/sun/jvm/hotspot/oops/ConstantPoolKlass.java	Fri Apr 11 09:56:35 2008 -0400
+++ b/agent/src/share/classes/sun/jvm/hotspot/oops/ConstantPoolKlass.java	Sun Apr 13 17:43:42 2008 -0400
@@ -32,7 +32,7 @@
 
 // A ConstantPoolKlass is the klass of a ConstantPool
 
-public class ConstantPoolKlass extends ArrayKlass {
+public class ConstantPoolKlass extends Klass {
   static {
     VM.registerVMInitializedObserver(new Observer() {
         public void update(Observable o, Object data) {
@@ -43,13 +43,19 @@
 
   private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
     Type type  = db.lookupType("constantPoolKlass");
+    headerSize = type.getSize() + Oop.getHeaderSize();
   }
 
   ConstantPoolKlass(OopHandle handle, ObjectHeap heap) {
     super(handle, heap);
   }
 
+  public long getObjectSize() { return alignObjectSize(headerSize); }
+
   public void printValueOn(PrintStream tty) {
     tty.print("ConstantPoolKlass");
   }
-};
+
+  private static long headerSize;
+}
+