view src/share/vm/c1/c1_Compiler.hpp @ 0:a61af66fc99e

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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/*
 * 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();
};