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diff --git a/ext/systemc/src/sysc/kernel/sc_object_int.h b/ext/systemc/src/sysc/kernel/sc_object_int.h
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+++ b/ext/systemc/src/sysc/kernel/sc_object_int.h
@@ -0,0 +1,99 @@
+/*****************************************************************************
+
+  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
+  more contributor license agreements.  See the NOTICE file distributed
+  with this work for additional information regarding copyright ownership.
+  Accellera licenses this file to you under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with the
+  License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+  implied.  See the License for the specific language governing
+  permissions and limitations under the License.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  sc_object_int.h -- For inline definitions of some utility functions.
+                     DO NOT EXPORT THIS INCLUDE FILE.
+
+  Original Author: Philipp A. Hartmann, OFFIS, 2013-02-10
+
+ *****************************************************************************/
+
+#ifndef SC_OBJECT_INT_H_INCLUDED_
+#define SC_OBJECT_INT_H_INCLUDED_
+
+#include "sysc/kernel/sc_object.h"
+#include "sysc/kernel/sc_module.h"
+#include "sysc/kernel/sc_simcontext_int.h"
+#include "sysc/kernel/sc_phase_callback_registry.h"
+
+namespace sc_core {
+
+class sc_object::hierarchy_scope
+{
+public:
+    explicit hierarchy_scope(sc_object* obj);
+    explicit hierarchy_scope(sc_module* mod);
+    ~hierarchy_scope();
+
+private:
+    sc_module * scope_;
+
+private:
+    hierarchy_scope( hierarchy_scope const & other ) /* = delete */;
+    hierarchy_scope& operator=(hierarchy_scope const&) /* = delete */;
+};
+
+
+inline
+sc_object::hierarchy_scope::hierarchy_scope( sc_object* obj )
+  : scope_(0)
+{
+    if( !obj ) return;
+
+    scope_ = dynamic_cast<sc_module*>(obj);
+    if( !scope_ )
+        scope_ = dynamic_cast<sc_module*>(obj->get_parent_object());
+    if( scope_ )
+        scope_->simcontext()->hierarchy_push(scope_);
+}
+
+
+inline
+sc_object::hierarchy_scope::hierarchy_scope( sc_module* mod )
+  : scope_(mod)
+{
+    if( scope_ )
+        scope_->simcontext()->hierarchy_push(scope_);
+}
+
+
+inline
+sc_object::hierarchy_scope::~hierarchy_scope()
+{
+    if( scope_ )
+        scope_->simcontext()->hierarchy_pop();
+}
+
+
+// -----------------------------------------------------------------------
+
+inline void
+sc_object::do_simulation_phase_callback()
+{
+    simulation_phase_callback();
+}
+
+// -----------------------------------------------------------------------
+
+} // namespace sc_core
+
+#endif // SC_OBJECT_INT_H_INCLUDED_
+// Taf!