public class sun.jvm.hotspot.gc.g1.HeapRegion extends sun.jvm.hotspot.gc.shared.CompactibleSpace
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: sun.jvm.hotspot.gc.g1.HeapRegion
  super_class: sun.jvm.hotspot.gc.shared.CompactibleSpace
{
  private static sun.jvm.hotspot.types.CIntegerField grainBytesField;
    descriptor: Lsun/jvm/hotspot/types/CIntegerField;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

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

  private static long typeFieldOffset;
    descriptor: J
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  private static long pointerSize;
    descriptor: J
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  private sun.jvm.hotspot.gc.g1.HeapRegionType type;
    descriptor: Lsun/jvm/hotspot/gc/g1/HeapRegionType;
    flags: (0x0002) ACC_PRIVATE

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 56
            new sun.jvm.hotspot.gc.g1.HeapRegion$1
            dup
            invokespecial sun.jvm.hotspot.gc.g1.HeapRegion$1.<init>:()V
            invokestatic sun.jvm.hotspot.runtime.VM.registerVMInitializedObserver:(Ljava/util/Observer;)V
         1: .line 61
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private static synchronized void initialize(sun.jvm.hotspot.types.TypeDataBase);
    descriptor: (Lsun/jvm/hotspot/types/TypeDataBase;)V
    flags: (0x002a) ACC_PRIVATE, ACC_STATIC, ACC_SYNCHRONIZED
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // sun.jvm.hotspot.types.TypeDataBase db
         0: .line 64
            aload 0 /* db */
            ldc "HeapRegion"
            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 66
            aload 1 /* type */
            ldc "GrainBytes"
            invokeinterface sun.jvm.hotspot.types.Type.getCIntegerField:(Ljava/lang/String;)Lsun/jvm/hotspot/types/CIntegerField;
            putstatic sun.jvm.hotspot.gc.g1.HeapRegion.grainBytesField:Lsun/jvm/hotspot/types/CIntegerField;
         2: .line 67
            aload 1 /* type */
            ldc "_top"
            invokeinterface sun.jvm.hotspot.types.Type.getAddressField:(Ljava/lang/String;)Lsun/jvm/hotspot/types/AddressField;
            putstatic sun.jvm.hotspot.gc.g1.HeapRegion.topField:Lsun/jvm/hotspot/types/AddressField;
         3: .line 68
            aload 1 /* type */
            ldc "_type"
            invokeinterface sun.jvm.hotspot.types.Type.getField:(Ljava/lang/String;)Lsun/jvm/hotspot/types/Field;
            invokeinterface sun.jvm.hotspot.types.Field.getOffset:()J
            putstatic sun.jvm.hotspot.gc.g1.HeapRegion.typeFieldOffset:J
         4: .line 70
            aload 0 /* db */
            ldc "HeapRegion*"
            invokeinterface sun.jvm.hotspot.types.TypeDataBase.lookupType:(Ljava/lang/String;)Lsun/jvm/hotspot/types/Type;
            invokeinterface sun.jvm.hotspot.types.Type.getSize:()J
            putstatic sun.jvm.hotspot.gc.g1.HeapRegion.pointerSize:J
         5: .line 71
            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 long grainBytes();
    descriptor: ()J
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 74
            getstatic sun.jvm.hotspot.gc.g1.HeapRegion.grainBytesField:Lsun/jvm/hotspot/types/CIntegerField;
            invokeinterface sun.jvm.hotspot.types.CIntegerField.getValue:()J
            lreturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(sun.jvm.hotspot.debugger.Address);
    descriptor: (Lsun/jvm/hotspot/debugger/Address;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
        start local 1 // sun.jvm.hotspot.debugger.Address addr
         0: .line 78
            aload 0 /* this */
            aload 1 /* addr */
            invokespecial sun.jvm.hotspot.gc.shared.CompactibleSpace.<init>:(Lsun/jvm/hotspot/debugger/Address;)V
         1: .line 79
            aload 1 /* addr */
            instanceof sun.jvm.hotspot.debugger.OopHandle
            ifeq 2
            aload 1 /* addr */
            getstatic sun.jvm.hotspot.gc.g1.HeapRegion.typeFieldOffset:J
            invokeinterface sun.jvm.hotspot.debugger.Address.addOffsetToAsOopHandle:(J)Lsun/jvm/hotspot/debugger/OopHandle;
            goto 3
         2: .line 80
      StackMap locals: sun.jvm.hotspot.gc.g1.HeapRegion sun.jvm.hotspot.debugger.Address
      StackMap stack:
            aload 1 /* addr */
            getstatic sun.jvm.hotspot.gc.g1.HeapRegion.typeFieldOffset:J
            invokeinterface sun.jvm.hotspot.debugger.Address.addOffsetTo:(J)Lsun/jvm/hotspot/debugger/Address;
         3: .line 79
      StackMap locals:
      StackMap stack: sun.jvm.hotspot.debugger.Address
            astore 2 /* typeAddr */
        start local 2 // sun.jvm.hotspot.debugger.Address typeAddr
         4: .line 81
            aload 0 /* this */
            ldc Lsun/jvm/hotspot/gc/g1/HeapRegionType;
            aload 2 /* typeAddr */
            invokestatic sun.jvm.hotspot.runtime.VMObjectFactory.newObject:(Ljava/lang/Class;Lsun/jvm/hotspot/debugger/Address;)Ljava/lang/Object;
            checkcast sun.jvm.hotspot.gc.g1.HeapRegionType
            putfield sun.jvm.hotspot.gc.g1.HeapRegion.type:Lsun/jvm/hotspot/gc/g1/HeapRegionType;
         5: .line 82
            return
        end local 2 // sun.jvm.hotspot.debugger.Address typeAddr
        end local 1 // sun.jvm.hotspot.debugger.Address addr
        end local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    6     0      this  Lsun/jvm/hotspot/gc/g1/HeapRegion;
            0    6     1      addr  Lsun/jvm/hotspot/debugger/Address;
            4    6     2  typeAddr  Lsun/jvm/hotspot/debugger/Address;
    MethodParameters:
      Name  Flags
      addr  

  public sun.jvm.hotspot.debugger.Address top();
    descriptor: ()Lsun/jvm/hotspot/debugger/Address;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
         0: .line 85
            getstatic sun.jvm.hotspot.gc.g1.HeapRegion.topField:Lsun/jvm/hotspot/types/AddressField;
            aload 0 /* this */
            getfield sun.jvm.hotspot.gc.g1.HeapRegion.addr:Lsun/jvm/hotspot/debugger/Address;
            invokeinterface sun.jvm.hotspot.types.AddressField.getValue:(Lsun/jvm/hotspot/debugger/Address;)Lsun/jvm/hotspot/debugger/Address;
            areturn
        end local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/jvm/hotspot/gc/g1/HeapRegion;

  public java.util.List getLiveRegions();
    descriptor: ()Ljava/util/List;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
         0: .line 90
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 1 /* res */
        start local 1 // java.util.List res
         1: .line 91
            aload 1 /* res */
            new sun.jvm.hotspot.memory.MemRegion
            dup
            aload 0 /* this */
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegion.bottom:()Lsun/jvm/hotspot/debugger/Address;
            aload 0 /* this */
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegion.top:()Lsun/jvm/hotspot/debugger/Address;
            invokespecial sun.jvm.hotspot.memory.MemRegion.<init>:(Lsun/jvm/hotspot/debugger/Address;Lsun/jvm/hotspot/debugger/Address;)V
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
         2: .line 92
            aload 1 /* res */
            areturn
        end local 1 // java.util.List res
        end local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lsun/jvm/hotspot/gc/g1/HeapRegion;
            1    3     1   res  Ljava/util/List;

  public long used();
    descriptor: ()J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
         0: .line 97
            aload 0 /* this */
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegion.top:()Lsun/jvm/hotspot/debugger/Address;
            aload 0 /* this */
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegion.bottom:()Lsun/jvm/hotspot/debugger/Address;
            invokeinterface sun.jvm.hotspot.debugger.Address.minus:(Lsun/jvm/hotspot/debugger/Address;)J
            lreturn
        end local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/jvm/hotspot/gc/g1/HeapRegion;

  public long free();
    descriptor: ()J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
         0: .line 102
            aload 0 /* this */
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegion.end:()Lsun/jvm/hotspot/debugger/Address;
            aload 0 /* this */
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegion.top:()Lsun/jvm/hotspot/debugger/Address;
            invokeinterface sun.jvm.hotspot.debugger.Address.minus:(Lsun/jvm/hotspot/debugger/Address;)J
            lreturn
        end local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/jvm/hotspot/gc/g1/HeapRegion;

  public boolean isFree();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
         0: .line 106
            aload 0 /* this */
            getfield sun.jvm.hotspot.gc.g1.HeapRegion.type:Lsun/jvm/hotspot/gc/g1/HeapRegionType;
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegionType.isFree:()Z
            ireturn
        end local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/jvm/hotspot/gc/g1/HeapRegion;

  public boolean isYoung();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
         0: .line 110
            aload 0 /* this */
            getfield sun.jvm.hotspot.gc.g1.HeapRegion.type:Lsun/jvm/hotspot/gc/g1/HeapRegionType;
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegionType.isYoung:()Z
            ireturn
        end local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/jvm/hotspot/gc/g1/HeapRegion;

  public boolean isHumongous();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
         0: .line 114
            aload 0 /* this */
            getfield sun.jvm.hotspot.gc.g1.HeapRegion.type:Lsun/jvm/hotspot/gc/g1/HeapRegionType;
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegionType.isHumongous:()Z
            ireturn
        end local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/jvm/hotspot/gc/g1/HeapRegion;

  public boolean isPinned();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
         0: .line 118
            aload 0 /* this */
            getfield sun.jvm.hotspot.gc.g1.HeapRegion.type:Lsun/jvm/hotspot/gc/g1/HeapRegionType;
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegionType.isPinned:()Z
            ireturn
        end local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/jvm/hotspot/gc/g1/HeapRegion;

  public boolean isOld();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
         0: .line 122
            aload 0 /* this */
            getfield sun.jvm.hotspot.gc.g1.HeapRegion.type:Lsun/jvm/hotspot/gc/g1/HeapRegionType;
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegionType.isOld:()Z
            ireturn
        end local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/jvm/hotspot/gc/g1/HeapRegion;

  public static long getPointerSize();
    descriptor: ()J
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 126
            getstatic sun.jvm.hotspot.gc.g1.HeapRegion.pointerSize:J
            lreturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void printOn(java.io.PrintStream);
    descriptor: (Ljava/io/PrintStream;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
        start local 1 // java.io.PrintStream tty
         0: .line 130
            aload 1 /* tty */
            new java.lang.StringBuilder
            dup
            ldc "Region: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegion.bottom:()Lsun/jvm/hotspot/debugger/Address;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            ldc ","
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegion.top:()Lsun/jvm/hotspot/debugger/Address;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            ldc ","
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegion.end:()Lsun/jvm/hotspot/debugger/Address;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual java.io.PrintStream.print:(Ljava/lang/String;)V
         1: .line 131
            aload 1 /* tty */
            new java.lang.StringBuilder
            dup
            ldc ":"
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            getfield sun.jvm.hotspot.gc.g1.HeapRegion.type:Lsun/jvm/hotspot/gc/g1/HeapRegionType;
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegionType.typeAnnotation:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
         2: .line 132
            return
        end local 1 // java.io.PrintStream tty
        end local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lsun/jvm/hotspot/gc/g1/HeapRegion;
            0    3     1   tty  Ljava/io/PrintStream;
    MethodParameters:
      Name  Flags
      tty   
}
SourceFile: "HeapRegion.java"
NestMembers:
  sun.jvm.hotspot.gc.g1.HeapRegion$1
InnerClasses:
  sun.jvm.hotspot.gc.g1.HeapRegion$1