agent/src/share/classes/sun/jvm/hotspot/oops/OopUtilities.java

*** 110,119 ****
--- 110,145 ----
        buf.append(charArray.getCharAt(i));
      }
      return buf.toString();
    }
  
+   public static String escapeString(String s) {
+     StringBuilder sb = null;
+     for (int index = 0; index < s.length(); index++) {
+       char value = s.charAt(index);
+       if (value >= 32 && value < 127 || value == '\'' || value == '\\') {
+         if (sb != null) {
+           sb.append(value);
+         }
+       } else {
+         if (sb == null) {
+           sb = new StringBuilder(s.length() * 2);
+           sb.append(s, 0, index);
+         }
+         sb.append("\\u");
+         if (value < 0x10) sb.append("000");
+         else if (value < 0x100) sb.append("00");
+         else if (value < 0x1000) sb.append("0");
+         sb.append(Integer.toHexString(value));
+       }
+     }
+     if (sb != null) {
+       return sb.toString();
+     }
+     return s;
+   }
+ 
    public static String stringOopToString(Oop stringOop) {
      if (offsetField == null) {
        InstanceKlass k = (InstanceKlass) stringOop.getKlass();
        offsetField = (IntField) k.findField("offset", "I");
        countField  = (IntField) k.findField("count",  "I");
*** 127,136 ****
--- 153,166 ----
      return charArrayToString((TypeArray) valueField.getValue(stringOop),
                               offsetField.getValue(stringOop),
                               countField.getValue(stringOop));
    }
  
+   public static String stringOopToEscapedString(Oop stringOop) {
+     return escapeString(stringOopToString(stringOop));
+   }
+ 
    private static void initThreadGroupFields() {
      if (threadGroupParentField == null) {
        SystemDictionary sysDict = VM.getVM().getSystemDictionary();
        InstanceKlass k = sysDict.getThreadGroupKlass();
        threadGroupParentField   = (OopField) k.findField("parent",   "Ljava/lang/ThreadGroup;");