diff -r 000000000000 -r a61af66fc99e src/share/vm/opto/c2compiler.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/opto/c2compiler.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,56 @@
+/*
+ * Copyright 1999-2007 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.
+ *
+ */
+
+class C2Compiler : public AbstractCompiler {
+private:
+
+  static void initialize_runtime();
+
+public:
+  // Name
+  const char *name() { return "C2"; }
+
+  static volatile int _runtimes;
+
+#ifdef TIERED
+  virtual bool is_c2() { return true; };
+#endif // TIERED
+
+  // Customization
+  bool needs_adapters         () { return true; }
+  bool needs_stubs            () { return true; }
+
+  void initialize();
+
+  // Compilation entry point for methods
+  void compile_method(ciEnv* env,
+                      ciMethod* target,
+                      int entry_bci);
+
+  // sentinel value used to trigger backtracking in compile_method().
+  static const char* retry_no_subsuming_loads();
+
+  // Print compilation timers and statistics
+  void print_timers();
+};