public class sun.jvm.hotspot.utilities.RobustOopDeterminator
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: sun.jvm.hotspot.utilities.RobustOopDeterminator
  super_class: java.lang.Object
{
  private static sun.jvm.hotspot.types.AddressField klassField;
    descriptor: Lsun/jvm/hotspot/types/AddressField;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 48
            new sun.jvm.hotspot.utilities.RobustOopDeterminator$1
            dup
            invokespecial sun.jvm.hotspot.utilities.RobustOopDeterminator$1.<init>:()V
            invokestatic sun.jvm.hotspot.runtime.VM.registerVMInitializedObserver:(Lsun/jvm/hotspot/utilities/Observer;)V
         1: .line 53
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.jvm.hotspot.utilities.RobustOopDeterminator this
         0: .line 44
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // sun.jvm.hotspot.utilities.RobustOopDeterminator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/jvm/hotspot/utilities/RobustOopDeterminator;

  private static void initialize(sun.jvm.hotspot.types.TypeDataBase);
    descriptor: (Lsun/jvm/hotspot/types/TypeDataBase;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // sun.jvm.hotspot.types.TypeDataBase db
         0: .line 56
            aload 0 /* db */
            ldc "oopDesc"
            invokeinterface sun.jvm.hotspot.types.TypeDataBase.lookupType:(Ljava/lang/String;)Lsun/jvm/hotspot/types/Type;
            astore 1 /* type */
        start local 1 // sun.jvm.hotspot.types.Type type
         1: .line 58
            invokestatic sun.jvm.hotspot.runtime.VM.getVM:()Lsun/jvm/hotspot/runtime/VM;
            invokevirtual sun.jvm.hotspot.runtime.VM.isCompressedKlassPointersEnabled:()Z
            ifeq 4
         2: .line 59
            aload 1 /* type */
            ldc "_metadata._compressed_klass"
            invokeinterface sun.jvm.hotspot.types.Type.getAddressField:(Ljava/lang/String;)Lsun/jvm/hotspot/types/AddressField;
            putstatic sun.jvm.hotspot.utilities.RobustOopDeterminator.klassField:Lsun/jvm/hotspot/types/AddressField;
         3: .line 60
            goto 5
         4: .line 61
      StackMap locals: sun.jvm.hotspot.types.Type
      StackMap stack:
            aload 1 /* type */
            ldc "_metadata._klass"
            invokeinterface sun.jvm.hotspot.types.Type.getAddressField:(Ljava/lang/String;)Lsun/jvm/hotspot/types/AddressField;
            putstatic sun.jvm.hotspot.utilities.RobustOopDeterminator.klassField:Lsun/jvm/hotspot/types/AddressField;
         5: .line 63
      StackMap locals:
      StackMap stack:
            return
        end local 1 // sun.jvm.hotspot.types.Type type
        end local 0 // sun.jvm.hotspot.types.TypeDataBase db
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0    db  Lsun/jvm/hotspot/types/TypeDataBase;
            1    6     1  type  Lsun/jvm/hotspot/types/Type;
    MethodParameters:
      Name  Flags
      db    

  public static boolean oopLooksValid(sun.jvm.hotspot.debugger.OopHandle);
    descriptor: (Lsun/jvm/hotspot/debugger/OopHandle;)Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // sun.jvm.hotspot.debugger.OopHandle oop
         0: .line 66
            aload 0 /* oop */
            ifnonnull 2
         1: .line 67
            iconst_0
            ireturn
         2: .line 69
      StackMap locals:
      StackMap stack:
            invokestatic sun.jvm.hotspot.runtime.VM.getVM:()Lsun/jvm/hotspot/runtime/VM;
            invokevirtual sun.jvm.hotspot.runtime.VM.getUniverse:()Lsun/jvm/hotspot/memory/Universe;
            aload 0 /* oop */
            invokevirtual sun.jvm.hotspot.memory.Universe.isIn:(Lsun/jvm/hotspot/debugger/Address;)Z
            ifne 4
         3: .line 70
            iconst_0
            ireturn
         4: .line 74
      StackMap locals:
      StackMap stack:
            invokestatic sun.jvm.hotspot.runtime.VM.getVM:()Lsun/jvm/hotspot/runtime/VM;
            invokevirtual sun.jvm.hotspot.runtime.VM.isCompressedKlassPointersEnabled:()Z
            ifeq 7
         5: .line 75
            aload 0 /* oop */
            getstatic sun.jvm.hotspot.utilities.RobustOopDeterminator.klassField:Lsun/jvm/hotspot/types/AddressField;
            invokeinterface sun.jvm.hotspot.types.AddressField.getOffset:()J
            invokeinterface sun.jvm.hotspot.debugger.OopHandle.getCompKlassAddressAt:(J)Lsun/jvm/hotspot/debugger/Address;
            invokestatic sun.jvm.hotspot.oops.Metadata.instantiateWrapperFor:(Lsun/jvm/hotspot/debugger/Address;)Lsun/jvm/hotspot/oops/Metadata;
            pop
         6: .line 76
            goto 8
         7: .line 77
      StackMap locals:
      StackMap stack:
            getstatic sun.jvm.hotspot.utilities.RobustOopDeterminator.klassField:Lsun/jvm/hotspot/types/AddressField;
            aload 0 /* oop */
            invokeinterface sun.jvm.hotspot.types.AddressField.getValue:(Lsun/jvm/hotspot/debugger/Address;)Lsun/jvm/hotspot/debugger/Address;
            invokestatic sun.jvm.hotspot.oops.Metadata.instantiateWrapperFor:(Lsun/jvm/hotspot/debugger/Address;)Lsun/jvm/hotspot/oops/Metadata;
            pop
         8: .line 79
      StackMap locals:
      StackMap stack:
            iconst_1
            ireturn
         9: .line 80
      StackMap locals:
      StackMap stack: sun.jvm.hotspot.debugger.AddressException
            pop
        10: .line 81
            iconst_0
            ireturn
        11: .line 82
      StackMap locals:
      StackMap stack: sun.jvm.hotspot.types.WrongTypeException
            pop
        12: .line 83
            iconst_0
            ireturn
        end local 0 // sun.jvm.hotspot.debugger.OopHandle oop
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   13     0   oop  Lsun/jvm/hotspot/debugger/OopHandle;
      Exception table:
        from    to  target  type
           4     8       9  Class sun.jvm.hotspot.debugger.AddressException
           4     8      11  Class sun.jvm.hotspot.types.WrongTypeException
    MethodParameters:
      Name  Flags
      oop   
}
SourceFile: "RobustOopDeterminator.java"
NestMembers:
  sun.jvm.hotspot.utilities.RobustOopDeterminator$1
InnerClasses:
  sun.jvm.hotspot.utilities.RobustOopDeterminator$1