--- a/src/hotspot/cpu/ppc/stubGenerator_ppc.cpp	Tue Dec 19 20:14:52 2017 -0800
+++ b/src/hotspot/cpu/ppc/stubGenerator_ppc.cpp	Tue Jan 09 08:38:22 2018 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2012, 2017, SAP SE. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -40,6 +40,10 @@
 #include "runtime/thread.inline.hpp"
 #include "utilities/align.hpp"
 
+// Declaration and definition of StubGenerator (no .hpp file).
+// For a more detailed description of the stub routine structure
+// see the comment in stubRoutines.hpp.
+
 #define __ _masm->
 
 #ifdef PRODUCT