public class sun.jvm.hotspot.memory.HeapBlock extends sun.jvm.hotspot.runtime.VMObject
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: sun.jvm.hotspot.memory.HeapBlock
  super_class: sun.jvm.hotspot.runtime.VMObject
{
  private static long heapBlockSize;
    descriptor: J
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  private static sun.jvm.hotspot.types.Field headerField;
    descriptor: Lsun/jvm/hotspot/types/Field;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  private static sun.jvm.hotspot.types.CIntegerField headerLengthField;
    descriptor: Lsun/jvm/hotspot/types/CIntegerField;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  private static sun.jvm.hotspot.types.CIntegerField headerUsedField;
    descriptor: Lsun/jvm/hotspot/types/CIntegerField;
    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 40
            new sun.jvm.hotspot.memory.HeapBlock$1
            dup
            invokespecial sun.jvm.hotspot.memory.HeapBlock$1.<init>:()V
            invokestatic sun.jvm.hotspot.runtime.VM.registerVMInitializedObserver:(Ljava/util/Observer;)V
         1: .line 45
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  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 49
            aload 0 /* db */
            ldc "HeapBlock"
            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 50
            aload 1 /* type */
            invokeinterface sun.jvm.hotspot.types.Type.getSize:()J
            putstatic sun.jvm.hotspot.memory.HeapBlock.heapBlockSize:J
         2: .line 51
            aload 1 /* type */
            ldc "_header"
            invokeinterface sun.jvm.hotspot.types.Type.getField:(Ljava/lang/String;)Lsun/jvm/hotspot/types/Field;
            putstatic sun.jvm.hotspot.memory.HeapBlock.headerField:Lsun/jvm/hotspot/types/Field;
         3: .line 54
            aload 0 /* db */
            ldc "HeapBlock::Header"
            invokeinterface sun.jvm.hotspot.types.TypeDataBase.lookupType:(Ljava/lang/String;)Lsun/jvm/hotspot/types/Type;
            astore 1 /* type */
         4: .line 55
            aload 1 /* type */
            ldc "_length"
            invokeinterface sun.jvm.hotspot.types.Type.getCIntegerField:(Ljava/lang/String;)Lsun/jvm/hotspot/types/CIntegerField;
            putstatic sun.jvm.hotspot.memory.HeapBlock.headerLengthField:Lsun/jvm/hotspot/types/CIntegerField;
         5: .line 56
            aload 1 /* type */
            ldc "_used"
            invokeinterface sun.jvm.hotspot.types.Type.getCIntegerField:(Ljava/lang/String;)Lsun/jvm/hotspot/types/CIntegerField;
            putstatic sun.jvm.hotspot.memory.HeapBlock.headerUsedField:Lsun/jvm/hotspot/types/CIntegerField;
         6: .line 57
            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    7     0    db  Lsun/jvm/hotspot/types/TypeDataBase;
            1    7     1  type  Lsun/jvm/hotspot/types/Type;
    MethodParameters:
      Name  Flags
      db    

  public void <init>(sun.jvm.hotspot.debugger.Address);
    descriptor: (Lsun/jvm/hotspot/debugger/Address;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // sun.jvm.hotspot.memory.HeapBlock this
        start local 1 // sun.jvm.hotspot.debugger.Address addr
         0: .line 60
            aload 0 /* this */
            aload 1 /* addr */
            invokespecial sun.jvm.hotspot.runtime.VMObject.<init>:(Lsun/jvm/hotspot/debugger/Address;)V
         1: .line 61
            return
        end local 1 // sun.jvm.hotspot.debugger.Address addr
        end local 0 // sun.jvm.hotspot.memory.HeapBlock this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lsun/jvm/hotspot/memory/HeapBlock;
            0    2     1  addr  Lsun/jvm/hotspot/debugger/Address;
    MethodParameters:
      Name  Flags
      addr  

  public long getLength();
    descriptor: ()J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // sun.jvm.hotspot.memory.HeapBlock this
         0: .line 64
            aload 0 /* this */
            invokevirtual sun.jvm.hotspot.memory.HeapBlock.getHeader:()Lsun/jvm/hotspot/memory/HeapBlock$Header;
            invokevirtual sun.jvm.hotspot.memory.HeapBlock$Header.getLength:()J
            lreturn
        end local 0 // sun.jvm.hotspot.memory.HeapBlock this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/jvm/hotspot/memory/HeapBlock;

  public boolean isFree();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.jvm.hotspot.memory.HeapBlock this
         0: .line 68
            aload 0 /* this */
            invokevirtual sun.jvm.hotspot.memory.HeapBlock.getHeader:()Lsun/jvm/hotspot/memory/HeapBlock$Header;
            invokevirtual sun.jvm.hotspot.memory.HeapBlock$Header.isFree:()Z
            ireturn
        end local 0 // sun.jvm.hotspot.memory.HeapBlock this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/jvm/hotspot/memory/HeapBlock;

  public sun.jvm.hotspot.debugger.Address getAllocatedSpace();
    descriptor: ()Lsun/jvm/hotspot/debugger/Address;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // sun.jvm.hotspot.memory.HeapBlock this
         0: .line 72
            aload 0 /* this */
            getfield sun.jvm.hotspot.memory.HeapBlock.addr:Lsun/jvm/hotspot/debugger/Address;
            getstatic sun.jvm.hotspot.memory.HeapBlock.heapBlockSize:J
            invokeinterface sun.jvm.hotspot.debugger.Address.addOffsetTo:(J)Lsun/jvm/hotspot/debugger/Address;
            areturn
        end local 0 // sun.jvm.hotspot.memory.HeapBlock this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/jvm/hotspot/memory/HeapBlock;

  private sun.jvm.hotspot.memory.HeapBlock$Header getHeader();
    descriptor: ()Lsun/jvm/hotspot/memory/HeapBlock$Header;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // sun.jvm.hotspot.memory.HeapBlock this
         0: .line 94
            ldc Lsun/jvm/hotspot/memory/HeapBlock$Header;
            aload 0 /* this */
            getfield sun.jvm.hotspot.memory.HeapBlock.addr:Lsun/jvm/hotspot/debugger/Address;
            getstatic sun.jvm.hotspot.memory.HeapBlock.headerField:Lsun/jvm/hotspot/types/Field;
            invokeinterface sun.jvm.hotspot.types.Field.getOffset:()J
            invokeinterface sun.jvm.hotspot.debugger.Address.addOffsetTo:(J)Lsun/jvm/hotspot/debugger/Address;
            invokestatic sun.jvm.hotspot.runtime.VMObjectFactory.newObject:(Ljava/lang/Class;Lsun/jvm/hotspot/debugger/Address;)Ljava/lang/Object;
            checkcast sun.jvm.hotspot.memory.HeapBlock$Header
            areturn
        end local 0 // sun.jvm.hotspot.memory.HeapBlock this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/jvm/hotspot/memory/HeapBlock;
}
SourceFile: "HeapBlock.java"
NestMembers:
  sun.jvm.hotspot.memory.HeapBlock$1  sun.jvm.hotspot.memory.HeapBlock$Header
InnerClasses:
  sun.jvm.hotspot.memory.HeapBlock$1
  public Header = sun.jvm.hotspot.memory.HeapBlock$Header of sun.jvm.hotspot.memory.HeapBlock