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src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/oops/OopField.java

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  37   public OopField(sun.jvm.hotspot.types.OopField vmField, long startOffset) {
  38     super(new NamedFieldIdentifier(vmField.getName()), vmField.getOffset() + startOffset, true);
  39   }
  40 
  41   public OopField(InstanceKlass holder, int fieldArrayIndex) {
  42     super(holder, fieldArrayIndex);
  43   }
  44 
  45   public Oop getValue(Oop obj) {
  46     if (!isVMField() && !obj.isInstance() && !obj.isArray()) {
  47       throw new InternalError();
  48     }
  49     return obj.getHeap().newOop(getValueAsOopHandle(obj));
  50   }
  51 
  52   /** Debugging support */
  53   public OopHandle getValueAsOopHandle(Oop obj) {
  54     if (!isVMField() && !obj.isInstance() && !obj.isArray()) {
  55       throw new InternalError(obj.toString());
  56     }
  57     return obj.getHandle().getOopHandleAt(getOffset());

  58   }
  59 
  60   public Oop getValue(VMObject obj) {
  61     return VM.getVM().getObjectHeap().newOop(getValueAsOopHandle(obj));
  62   }
  63 
  64   /** Debugging support */
  65   public OopHandle getValueAsOopHandle(VMObject obj) {
  66     return obj.getAddress().getOopHandleAt(getOffset());
  67   }
  68 
  69   public void setValue(Oop obj) throws MutationException {
  70     // Fix this: setOopAt is missing in Address
  71   }
  72 }


  37   public OopField(sun.jvm.hotspot.types.OopField vmField, long startOffset) {
  38     super(new NamedFieldIdentifier(vmField.getName()), vmField.getOffset() + startOffset, true);
  39   }
  40 
  41   public OopField(InstanceKlass holder, int fieldArrayIndex) {
  42     super(holder, fieldArrayIndex);
  43   }
  44 
  45   public Oop getValue(Oop obj) {
  46     if (!isVMField() && !obj.isInstance() && !obj.isArray()) {
  47       throw new InternalError();
  48     }
  49     return obj.getHeap().newOop(getValueAsOopHandle(obj));
  50   }
  51 
  52   /** Debugging support */
  53   public OopHandle getValueAsOopHandle(Oop obj) {
  54     if (!isVMField() && !obj.isInstance() && !obj.isArray()) {
  55       throw new InternalError(obj.toString());
  56     }
  57 
  58     return VM.getVM().getUniverse().heap().oop_load_at(obj.getHandle(), getOffset());
  59   }
  60 
  61   public Oop getValue(VMObject obj) {
  62     return VM.getVM().getObjectHeap().newOop(getValueAsOopHandle(obj));
  63   }
  64 
  65   /** Debugging support */
  66   public OopHandle getValueAsOopHandle(VMObject obj) {
  67     return obj.getAddress().getOopHandleAt(getOffset());
  68   }
  69 
  70   public void setValue(Oop obj) throws MutationException {
  71     // Fix this: setOopAt is missing in Address
  72   }
  73 }
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