--- old/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/BasicType.java	2017-11-09 22:14:04.393160555 +0900
+++ new/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/BasicType.java	2017-11-09 22:14:04.180159394 +0900
@@ -46,23 +46,23 @@
   public static final int tConflict    = 19;
   public static final int tIllegal     = 99;
 
-  public static final BasicType T_BOOLEAN = new BasicType(tBoolean);
-  public static final BasicType T_CHAR = new BasicType(tChar);
-  public static final BasicType T_FLOAT = new BasicType(tFloat);
-  public static final BasicType T_DOUBLE = new BasicType(tDouble);
-  public static final BasicType T_BYTE = new BasicType(tByte);
-  public static final BasicType T_SHORT = new BasicType(tShort);
-  public static final BasicType T_INT = new BasicType(tInt);
-  public static final BasicType T_LONG = new BasicType(tLong);
-  public static final BasicType T_OBJECT = new BasicType(tObject);
-  public static final BasicType T_ARRAY = new BasicType(tArray);
-  public static final BasicType T_VOID = new BasicType(tVoid);
-  public static final BasicType T_ADDRESS = new BasicType(tAddress);
-  public static final BasicType T_NARROWOOP = new BasicType(tNarrowOop);
-  public static final BasicType T_METADATA = new BasicType(tMetadata);
-  public static final BasicType T_NARROWKLASS = new BasicType(tNarrowKlass);
-  public static final BasicType T_CONFLICT = new BasicType(tConflict);
-  public static final BasicType T_ILLEGAL = new BasicType(tIllegal);
+  public static final BasicType T_BOOLEAN = new BasicType(tBoolean, "boolean");
+  public static final BasicType T_CHAR = new BasicType(tChar, "char");
+  public static final BasicType T_FLOAT = new BasicType(tFloat, "float");
+  public static final BasicType T_DOUBLE = new BasicType(tDouble, "double");
+  public static final BasicType T_BYTE = new BasicType(tByte, "byte");
+  public static final BasicType T_SHORT = new BasicType(tShort, "short");
+  public static final BasicType T_INT = new BasicType(tInt, "int");
+  public static final BasicType T_LONG = new BasicType(tLong, "long");
+  public static final BasicType T_OBJECT = new BasicType(tObject, "object");
+  public static final BasicType T_ARRAY = new BasicType(tArray, "array");
+  public static final BasicType T_VOID = new BasicType(tVoid, "void");
+  public static final BasicType T_ADDRESS = new BasicType(tAddress, "address");
+  public static final BasicType T_NARROWOOP = new BasicType(tNarrowOop, "narrow oop");
+  public static final BasicType T_METADATA = new BasicType(tMetadata, "metadata");
+  public static final BasicType T_NARROWKLASS = new BasicType(tNarrowKlass, "narrow klass");
+  public static final BasicType T_CONFLICT = new BasicType(tConflict, "conflict");
+  public static final BasicType T_ILLEGAL = new BasicType(tIllegal, "ILLEGAL TYPE");
 
   public static int getTBoolean() {
     return tBoolean;
@@ -133,6 +133,28 @@
     return tIllegal;
   }
 
+  public static BasicType intToBasicType(int i) {
+    switch(i) {
+      case tBoolean: return T_BOOLEAN;
+      case tChar: return T_CHAR;
+      case tFloat: return T_FLOAT;
+      case tDouble: return T_DOUBLE;
+      case tByte: return T_BYTE;
+      case tShort: return T_SHORT;
+      case tInt: return T_INT;
+      case tLong: return T_LONG;
+      case tObject: return T_OBJECT;
+      case tArray: return T_ARRAY;
+      case tVoid: return T_VOID;
+      case tAddress: return T_ADDRESS;
+      case tNarrowOop: return T_NARROWOOP;
+      case tMetadata: return T_METADATA;
+      case tNarrowKlass: return T_NARROWKLASS;
+    }
+
+    return T_ILLEGAL;
+  }
+
   public static BasicType charToBasicType(char c) {
     switch( c ) {
     case 'B': return T_BYTE;
@@ -158,10 +180,16 @@
     return type;
   }
 
+  public String getName() {
+    return name;
+  }
+
   //-- Internals only below this point
-  private BasicType(int type) {
+  private BasicType(int type, String name) {
     this.type = type;
+    this.name = name;
   }
 
   private int type;
+  private String name;
 }