diff -r 000000000000 -r a61af66fc99e src/share/vm/c1/c1_Compiler.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/c1/c1_Compiler.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,67 @@
+/*
+ * 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.
+ *
+ */
+
+// There is one instance of the Compiler per CompilerThread.
+
+class Compiler: public AbstractCompiler {
+
+ private:
+
+ // Tracks whether runtime has been initialized
+ static volatile int _runtimes;
+
+ // In tiered it is possible for multiple threads to want to do compilation
+ // only one can enter c1 at a time
+ static volatile bool _compiling;
+
+ public:
+  // Creation
+  Compiler();
+  ~Compiler();
+
+  // Name of this compiler
+  virtual const char* name()                     { return "C1"; }
+
+#ifdef TIERED
+  virtual bool is_c1() { return true; };
+#endif // TIERED
+
+
+  // Missing feature tests
+  virtual bool supports_native()                 { return true; }
+  virtual bool supports_osr   ()                 { return true; }
+
+  // Customization
+  virtual bool needs_adapters         ()         { return false; }
+  virtual bool needs_stubs            ()         { return false; }
+
+  // Initialization
+  virtual void initialize();
+
+  // Compilation entry point for methods
+  virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci);
+
+  // Print compilation timers and statistics
+  virtual void print_timers();
+};