45   static int TYPE_MASK_IN_PLACE;

    45   static int TYPE_MASK_IN_PLACE;

    46   static int REGISTER_MASK;

    46   static int REGISTER_MASK;

    47   static int REGISTER_MASK_IN_PLACE;

    47   static int REGISTER_MASK_IN_PLACE;

    48 

    48 

    49   // Types of OopValues

    49   // Types of OopValues

    51   static int OOP_VALUE;

    50   static int OOP_VALUE;

    52   static int NARROWOOP_VALUE;

    51   static int NARROWOOP_VALUE;

    53   static int CALLEE_SAVED_VALUE;

    52   static int CALLEE_SAVED_VALUE;

    54   static int DERIVED_OOP_VALUE;

    53   static int DERIVED_OOP_VALUE;

    55 

    54 

    68     REGISTER_SHIFT         = db.lookupIntConstant("OopMapValue::register_shift").intValue();

    67     REGISTER_SHIFT         = db.lookupIntConstant("OopMapValue::register_shift").intValue();

    69     TYPE_MASK              = db.lookupIntConstant("OopMapValue::type_mask").intValue();

    68     TYPE_MASK              = db.lookupIntConstant("OopMapValue::type_mask").intValue();

    70     TYPE_MASK_IN_PLACE     = db.lookupIntConstant("OopMapValue::type_mask_in_place").intValue();

    69     TYPE_MASK_IN_PLACE     = db.lookupIntConstant("OopMapValue::type_mask_in_place").intValue();

    71     REGISTER_MASK          = db.lookupIntConstant("OopMapValue::register_mask").intValue();

    70     REGISTER_MASK          = db.lookupIntConstant("OopMapValue::register_mask").intValue();

    72     REGISTER_MASK_IN_PLACE = db.lookupIntConstant("OopMapValue::register_mask_in_place").intValue();

    71     REGISTER_MASK_IN_PLACE = db.lookupIntConstant("OopMapValue::register_mask_in_place").intValue();

    74     OOP_VALUE              = db.lookupIntConstant("OopMapValue::oop_value").intValue();

    72     OOP_VALUE              = db.lookupIntConstant("OopMapValue::oop_value").intValue();

    75     NARROWOOP_VALUE        = db.lookupIntConstant("OopMapValue::narrowoop_value").intValue();

    73     NARROWOOP_VALUE        = db.lookupIntConstant("OopMapValue::narrowoop_value").intValue();

    76     CALLEE_SAVED_VALUE     = db.lookupIntConstant("OopMapValue::callee_saved_value").intValue();

    74     CALLEE_SAVED_VALUE     = db.lookupIntConstant("OopMapValue::callee_saved_value").intValue();

    77     DERIVED_OOP_VALUE      = db.lookupIntConstant("OopMapValue::derived_oop_value").intValue();

    75     DERIVED_OOP_VALUE      = db.lookupIntConstant("OopMapValue::derived_oop_value").intValue();

    78   }

    76   }

    79 

    77 

    80   public static abstract class OopTypes {

    78   public static abstract class OopTypes {

    82     public static final OopTypes OOP_VALUE          = new OopTypes() { int getValue() { return OopMapValue.OOP_VALUE;          }};

    79     public static final OopTypes OOP_VALUE          = new OopTypes() { int getValue() { return OopMapValue.OOP_VALUE;          }};

    83     public static final OopTypes NARROWOOP_VALUE    = new OopTypes() { int getValue() { return OopMapValue.NARROWOOP_VALUE;         }};

    80     public static final OopTypes NARROWOOP_VALUE    = new OopTypes() { int getValue() { return OopMapValue.NARROWOOP_VALUE;         }};

    84     public static final OopTypes CALLEE_SAVED_VALUE = new OopTypes() { int getValue() { return OopMapValue.CALLEE_SAVED_VALUE; }};

    81     public static final OopTypes CALLEE_SAVED_VALUE = new OopTypes() { int getValue() { return OopMapValue.CALLEE_SAVED_VALUE; }};

    85     public static final OopTypes DERIVED_OOP_VALUE  = new OopTypes() { int getValue() { return OopMapValue.DERIVED_OOP_VALUE;  }};

    82     public static final OopTypes DERIVED_OOP_VALUE  = new OopTypes() { int getValue() { return OopMapValue.DERIVED_OOP_VALUE;  }};

    86 

    83 

   109   public VMReg getReg() { return new VMReg((getValue() & REGISTER_MASK_IN_PLACE) >> REGISTER_SHIFT); }

   106   public VMReg getReg() { return new VMReg((getValue() & REGISTER_MASK_IN_PLACE) >> REGISTER_SHIFT); }

   110   public void  setReg(VMReg r) { setValue((short) (r.getValue() << REGISTER_SHIFT | (getValue() & TYPE_MASK_IN_PLACE))); }

   107   public void  setReg(VMReg r) { setValue((short) (r.getValue() << REGISTER_SHIFT | (getValue() & TYPE_MASK_IN_PLACE))); }

   111 

   108 

   112   public OopTypes getType() {

   109   public OopTypes getType() {

   113     int which = (getValue() & TYPE_MASK_IN_PLACE);

   110     int which = (getValue() & TYPE_MASK_IN_PLACE);

   116     else if (which == NARROWOOP_VALUE)   return OopTypes.NARROWOOP_VALUE;

   112     else if (which == NARROWOOP_VALUE)   return OopTypes.NARROWOOP_VALUE;

   117     else if (which == CALLEE_SAVED_VALUE) return OopTypes.CALLEE_SAVED_VALUE;

   113     else if (which == CALLEE_SAVED_VALUE) return OopTypes.CALLEE_SAVED_VALUE;

   118     else if (which == DERIVED_OOP_VALUE)  return OopTypes.DERIVED_OOP_VALUE;

   114     else if (which == DERIVED_OOP_VALUE)  return OopTypes.DERIVED_OOP_VALUE;

   119     else throw new InternalError("unknown which " + which + " (TYPE_MASK_IN_PLACE = " + TYPE_MASK_IN_PLACE + ")");

   115     else throw new InternalError("unknown which " + which + " (TYPE_MASK_IN_PLACE = " + TYPE_MASK_IN_PLACE + ")");

   120   }

   116   }