diff -r 000000000000 -r f90c822e73f8 src/share/vm/code/pcDesc.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/code/pcDesc.cpp	Wed Apr 27 01:25:04 2016 +0800
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 1997, 2014, 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.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "code/debugInfoRec.hpp"
+#include "code/nmethod.hpp"
+#include "code/pcDesc.hpp"
+#include "code/scopeDesc.hpp"
+#include "memory/resourceArea.hpp"
+
+PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
+
+PcDesc::PcDesc(int pc_offset, int scope_decode_offset, int obj_decode_offset) {
+  _pc_offset           = pc_offset;
+  _scope_decode_offset = scope_decode_offset;
+  _obj_decode_offset   = obj_decode_offset;
+  _flags               = 0;
+}
+
+address PcDesc::real_pc(const nmethod* code) const {
+  return code->code_begin() + pc_offset();
+}
+
+void PcDesc::print(nmethod* code) {
+#ifndef PRODUCT
+  ResourceMark rm;
+  tty->print_cr("PcDesc(pc=0x%lx offset=%x bits=%x):", real_pc(code), pc_offset(), _flags);
+
+  if (scope_decode_offset() == DebugInformationRecorder::serialized_null) {
+    return;
+  }
+
+  for (ScopeDesc* sd = code->scope_desc_at(real_pc(code));
+       sd != NULL;
+       sd = sd->sender()) {
+    tty->print("  ");
+    sd->method()->print_short_name(tty);
+    tty->print("  @%d", sd->bci());
+    if (sd->should_reexecute())
+      tty->print("  reexecute=true");
+    tty->cr();
+  }
+#endif
+}
+
+bool PcDesc::verify(nmethod* code) {
+  //Unimplemented();
+  return true;
+}