--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cpu/zero/vm/cppInterpreter_zero.hpp	Tue Oct 13 12:04:21 2009 -0700
@@ -0,0 +1,43 @@
+/*
+ * Copyright 1997-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 2007, 2008 Red Hat, Inc.
+ * 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.
+ *
+ */
+
+ protected:
+  // Size of interpreter code
+  const static int InterpreterCodeSize = 6 * K;
+
+ public:
+  // Method entries
+  static void normal_entry(methodOop method, intptr_t UNUSED, TRAPS);
+  static void native_entry(methodOop method, intptr_t UNUSED, TRAPS);
+  static void accessor_entry(methodOop method, intptr_t UNUSED, TRAPS);
+  static void empty_entry(methodOop method, intptr_t UNUSED, TRAPS);
+
+ public:
+  // Main loop of normal_entry
+  static void main_loop(int recurse, TRAPS);
+
+ private:
+  // Stack overflow checks
+  static bool stack_overflow_imminent(JavaThread *thread);