--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/runtime/reflectionUtils.cpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,84 @@
+/*
+ * Copyright 1999-2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+#include "incls/_precompiled.incl"
+#include "incls/_reflectionUtils.cpp.incl"
+
+KlassStream::KlassStream(instanceKlassHandle klass, bool local_only, bool classes_only) {
+  _klass = klass;
+  if (classes_only) {
+    _interfaces = Universe::the_empty_system_obj_array();
+  } else {
+    _interfaces = klass->transitive_interfaces();
+  }
+  _interface_index = _interfaces->length();
+  _local_only = local_only;
+  _classes_only = classes_only;
+}
+
+bool KlassStream::eos() {
+  if (index() >= 0) return false;
+  if (_local_only) return true;
+  if (!_klass->is_interface() && _klass->super() != NULL) {
+    // go up superclass chain (not for interfaces)
+    _klass = _klass->super();
+  } else {
+    if (_interface_index > 0) {
+      _klass = klassOop(_interfaces->obj_at(--_interface_index));
+    } else {
+      return true;
+    }
+  }
+  _index = length();
+  next();
+  return eos();
+}
+
+
+GrowableArray<FilteredField*> *FilteredFieldsMap::_filtered_fields =
+  new (ResourceObj::C_HEAP) GrowableArray<FilteredField*>(3,true);
+
+
+void FilteredFieldsMap::initialize() {
+  int offset;
+  offset = java_lang_Throwable::get_backtrace_offset();
+  _filtered_fields->append(new FilteredField(SystemDictionary::throwable_klass(), offset));
+  // The latest version of vm may be used with old jdk.
+  if (JDK_Version::is_gte_jdk16x_version()) {
+    // The following class fields do not exist in
+    // previous version of jdk.
+    offset = sun_reflect_ConstantPool::cp_oop_offset();
+    _filtered_fields->append(new FilteredField(SystemDictionary::reflect_constant_pool_klass(), offset));
+    offset = sun_reflect_UnsafeStaticFieldAccessorImpl::base_offset();
+    _filtered_fields->append(new FilteredField(SystemDictionary::reflect_unsafe_static_field_accessor_impl_klass(), offset));
+  }
+}
+
+int FilteredFieldStream::field_count() {
+  int numflds = 0;
+  for (;!eos(); next()) {
+    numflds++;
+  }
+  return numflds;
+}