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diff agent/src/share/classes/sun/jvm/hotspot/types/basic/BasicType.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/types/basic/BasicType.java	Fri Apr 11 09:56:35 2008 -0400
+++ b/agent/src/share/classes/sun/jvm/hotspot/types/basic/BasicType.java	Sun Apr 13 17:43:42 2008 -0400
@@ -273,6 +273,10 @@
     return (OopField) field;
   }
 
+  public NarrowOopField getNarrowOopField(String fieldName) throws WrongTypeException {
+    return (NarrowOopField) new BasicNarrowOopField(getOopField(fieldName));
+  }
+
   public AddressField getAddressField(String fieldName) {
     // This type can not be inferred (for now), so provide a wrapper
     Field field = getField(fieldName);
@@ -287,7 +291,7 @@
       name was already present in this class. */
   public void addField(Field field) {
     if (nameToFieldMap.get(field.getName()) != null) {
-      throw new RuntimeException("field of name \"" + field.getName() + "\" already present");
+      throw new RuntimeException("field of name \"" + field.getName() + "\" already present in type " + this);
     }
 
     nameToFieldMap.put(field.getName(), field);