--- a/hotspot/agent/src/share/classes/sun/jvm/hotspot/runtime/ia64/IA64CurrentFrameGuess.java	Thu Sep 27 11:26:04 2012 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,80 +0,0 @@
-/*
- * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-package sun.jvm.hotspot.runtime.ia64;
-
-import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.debugger.ia64.*;
-import sun.jvm.hotspot.code.*;
-import sun.jvm.hotspot.interpreter.*;
-import sun.jvm.hotspot.runtime.*;
-
-/** <P> Should be able to be used on all ia64 platforms we support
-    (Win32, Linux) to implement JavaThread's
-    "currentFrameGuess()" functionality. Input is an IA64ThreadContext;
-    output is SP, FP, and PC for an IA64Frame. Instantiation of the
-    IA64Frame is left to the caller, since we may need to subclass
-    IA64Frame to support signal handler frames on Unix platforms. </P>
-
-    <P> This is pretty much impossible on ia64.
-    </P> */
-
-public class IA64CurrentFrameGuess {
-  private IA64ThreadContext context;
-  private JavaThread       thread;
-  private Address          spFound;
-  private Address          fpFound;
-  private Address          pcFound;
-
-  private static final boolean DEBUG = false;
-
-  public IA64CurrentFrameGuess(IA64ThreadContext context,
-                              JavaThread thread) {
-    this.context = context;
-    this.thread  = thread;
-  }
-
-  /** Returns false if not able to find a frame within a reasonable range. */
-  public boolean run(long regionInBytesToSearch) {
-    /*
-      Without using the stack walking library this is not possible on ia64.
-      There is also the issue of walking dynamic code where there is no
-      stack walking info generated.
-    */
-    return false;
-  }
-
-  public Address getSP() { return null; }
-  public Address getFP() { return null; }
-  /** May be null if getting values from thread-local storage; take
-      care to call the correct IA64Frame constructor to recover this if
-      necessary */
-  public Address getPC() { return null; }
-
-  private void setValues(Address sp, Address fp, Address pc) {
-    spFound = sp;
-    fpFound = fp;
-    pcFound = pc;
-  }
-}