natThread.cc (dumpStack): Removed.

        * java/lang/natThread.cc (dumpStack): Removed.
        * java/lang/Thread.java (dumpStack): Implemented.

From-SVN: r31978

libjava/java/lang/Thread.java

@@ -49,7 +49,11 @@ public class Thread implements Runnable
   public native int countStackFrames ();
   public static native Thread currentThread ();
   public native void destroy ();
-  public static native void dumpStack ();
+  
+  public static void dumpStack ()
+  {
+    (new Exception ("Stack trace")).printStackTrace ();
+  }
 
   public static int enumerate (Thread[] threads)
   {

libjava/java/lang/natThread.cc

@@ -123,15 +123,6 @@ java::lang::Thread::destroy (void)
 }
 
 void
-java::lang::Thread::dumpStack (void)
-{
-  // We don't implement this because it is very hard.  Once we have a
-  // VM, this could potentially ask the VM to do the dump in cases
-  // where it makes sense.
-  JvFail ("java::lang::Thread::dumpStack unimplemented");
-}
-
-void
 java::lang::Thread::interrupt (void)
 {
   interrupt_flag = true;