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diff --git a/src/share/vm/prims/nativeLookup.hpp b/src/share/vm/prims/nativeLookup.hpp
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+++ b/src/share/vm/prims/nativeLookup.hpp
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+/*
+ * Copyright 1997-2005 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.
+ *
+ */
+
+// NativeLookup provides an interface for finding DLL entry points for
+// Java native functions.
+
+class NativeLookup : AllStatic {
+ private:
+  // JNI name computation
+  static char* pure_jni_name(methodHandle method);
+  static char* long_jni_name(methodHandle method);
+
+  // Style specific lookup
+  static address lookup_style(methodHandle method, char* pure_name, const char* long_name, int args_size, bool os_style, bool& in_base_library, TRAPS);
+  static address lookup_base (methodHandle method, bool& in_base_library, TRAPS);
+  static address lookup_entry(methodHandle method, bool& in_base_library, TRAPS);
+  static address lookup_entry_prefixed(methodHandle method, bool& in_base_library, TRAPS);
+ public:
+  // Lookup native function. May throw UnsatisfiedLinkError.
+  static address lookup(methodHandle method, bool& in_base_library, TRAPS);
+
+  // Lookup native functions in base library.
+  static address base_library_lookup(const char* class_name, const char* method_name, const char* signature);
+};