6814659: separable cleanups and subroutines for 6655638

Summary: preparatory but separable changes for method handles
Reviewed-by: kvn, never

1 files changed, 9 insertions, 1 deletions

diff --git a/src/share/vm/runtime/handles.hpp b/src/share/vm/runtime/handles.hpp
index 55e9b41fa..c44c6ac3d 100644
--- a/src/share/vm/runtime/handles.hpp
+++ b/src/share/vm/runtime/handles.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 1997-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1997-2009 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
@@ -137,6 +137,14 @@ class KlassHandle: public Handle {
     assert(is_null() || obj()->is_klass(), "not a klassOop");
   }
 
+  // Direct interface, use very sparingly.
+  // Used by SystemDictionaryHandles to create handles on existing WKKs.
+  // The obj of such a klass handle may be null, because the handle is formed
+  // during system bootstrapping.
+  KlassHandle(klassOop *handle, bool dummy) : Handle((oop*)handle, dummy) {
+    assert(SharedSkipVerify || is_null() || obj() == NULL || obj()->is_klass(), "not a klassOop");
+  }
+
   // General access
   klassOop    operator () () const               { return obj(); }
   Klass*      operator -> () const               { return as_klass(); }