src/share/vm/interpreter/linkResolver.hpp

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2016, 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.

@@ -133,24 +133,39 @@
   Symbol*     _name;            // extracted from JVM_CONSTANT_NameAndType
   Symbol*     _signature;
   KlassHandle _resolved_klass;  // class that the constant pool entry points to
   KlassHandle _current_klass;   // class that owns the constant pool
   bool        _check_access;
+  constantTag _tag;
  public:
+  enum AccessCheck {
+     needs_access_check,
+     skip_access_check
+  };
+
   LinkInfo(const constantPoolHandle& pool, int index, TRAPS);
+
   // Condensed information from other call sites within the vm.
-  LinkInfo(KlassHandle resolved_klass, Symbol* name, Symbol* signature,
-           KlassHandle current_klass, bool check_access = true) :
+  LinkInfo(KlassHandle resolved_klass, Symbol* name, Symbol* signature, KlassHandle current_klass,
+           AccessCheck check_access = needs_access_check,
+           constantTag tag = JVM_CONSTANT_Invalid) :
     _resolved_klass(resolved_klass),
     _name(name), _signature(signature), _current_klass(current_klass),
-    _check_access(check_access) {}
+    _check_access(check_access == needs_access_check && current_klass.not_null()), _tag(tag) {}
+
+  // Case where we just find the method and don't check access against the current class
+  LinkInfo(KlassHandle resolved_klass, Symbol*name, Symbol* signature) :
+    _resolved_klass(resolved_klass),
+    _name(name), _signature(signature), _current_klass(NULL),
+    _check_access(false), _tag(JVM_CONSTANT_Invalid) {}
 
   // accessors
   Symbol* name() const               { return _name; }
   Symbol* signature() const          { return _signature; }
   KlassHandle resolved_klass() const { return _resolved_klass; }
   KlassHandle current_klass() const  { return _current_klass; }
+  constantTag tag() const            { return _tag; }
   bool check_access() const          { return _check_access; }
   char* method_string() const;
 
   void         print()  PRODUCT_RETURN;
 };