src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/debugger/linux/LinuxDebugger.java

*** 55,64 ****
--- 55,65 ----
  
    // For LinuxCDebugger
    public List         getThreadList();
    public List         getLoadObjectList();
    public ClosestSymbol lookup(long address);
+   public String demangle(String sym);
  
    // NOTE: this interface implicitly contains the following methods:
    // From the Debugger interface via JVMDebugger
    //   public void attach(int processID) throws DebuggerException;
    //   public void attach(String executableName, String coreFileName) throws DebuggerException;