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11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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24 
25 package sun.jvm.hotspot.oops;
26 
27 import java.io.*;
28 import java.util.*;
29 import sun.jvm.hotspot.debugger.*;
30 import sun.jvm.hotspot.memory.*;
31 import sun.jvm.hotspot.runtime.*;
32 import sun.jvm.hotspot.types.*;
33 import sun.jvm.hotspot.utilities.*;
34 
35 // An InstanceKlass is the VM level representation of a Java class.
36 
37 public class InstanceMirrorKlass extends InstanceKlass {
38   static {
VM.registerVMInitializedObserver(new Observer() { public void update(Observable o, Object data) { initialize(VM.getVM().getTypeDataBase()); } })39     VM.registerVMInitializedObserver(new Observer() {
40         public void update(Observable o, Object data) {
41           initialize(VM.getVM().getTypeDataBase());
42         }
43       });
44   }
45 
initialize(TypeDataBase db)46   private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
47     // Just make sure it's there for now
48     Type type = db.lookupType("InstanceMirrorKlass");
49   }
50 
InstanceMirrorKlass(Address addr)51   public InstanceMirrorKlass(Address addr) {
52     super(addr);
53   }
54 
getObjectSize(Oop o)55   public long getObjectSize(Oop o) {
56     return java_lang_Class.getOopSize(o) * VM.getVM().getAddressSize();
57   }
58 
iterateNonStaticFields(OopVisitor visitor, Oop obj)59   public void iterateNonStaticFields(OopVisitor visitor, Oop obj) {
60     super.iterateNonStaticFields(visitor, obj);
61     // Fetch the real klass from the mirror object
62     Klass klass = java_lang_Class.asKlass(obj);
63     if (klass instanceof InstanceKlass) {
64       ((InstanceKlass)klass).iterateStaticFields(visitor);
65     }
66   }
67 }
68