diff -r 836adbf7a2cd -r 3317bb8137f4 jdk/src/java.desktop/share/native/libfontmanager/layout/ExtensionSubtables.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.desktop/share/native/libfontmanager/layout/ExtensionSubtables.cpp	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,69 @@
+/*
+ * 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/*
+ *
+ *
+ * (C) Copyright IBM Corp. 2002 - All Rights Reserved
+ *
+ */
+
+#include "LETypes.h"
+#include "OpenTypeTables.h"
+#include "GlyphSubstitutionTables.h"
+#include "LookupProcessor.h"
+#include "ExtensionSubtables.h"
+#include "GlyphIterator.h"
+#include "LESwaps.h"
+
+U_NAMESPACE_BEGIN
+
+// read a 32-bit value that might only be 16-bit-aligned in memory
+#define READ_LONG(code) (le_uint32)((SWAPW(*(le_uint16*)&code) << 16) + SWAPW(*(((le_uint16*)&code) + 1)))
+
+// FIXME: should look at the format too... maybe have a sub-class for it?
+le_uint32 ExtensionSubtable::process(const LEReferenceTo<ExtensionSubtable> &thisRef,
+                                     const LookupProcessor *lookupProcessor, le_uint16 lookupType,
+                                      GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode& success) const
+{
+    if (LE_FAILURE(success)) {
+        return 0;
+    }
+
+    le_uint16 elt = SWAPW(extensionLookupType);
+
+    if (elt != lookupType) {
+        le_uint32 extOffset = READ_LONG(extensionOffset);
+        LEReferenceTo<LookupSubtable> subtable(thisRef, success,  extOffset);
+
+        if(LE_SUCCESS(success)) {
+          return lookupProcessor->applySubtable(subtable, elt, glyphIterator, fontInstance, success);
+        }
+    }
+
+    return 0;
+}
+
+U_NAMESPACE_END