1 /*
   2  * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 // There is one instance of the Compiler per CompilerThread.
  26 
  27 class Compiler: public AbstractCompiler {
  28 
  29  private:
  30 
  31  // Tracks whether runtime has been initialized
  32  static volatile int _runtimes;
  33 
  34  public:
  35   // Creation
  36   Compiler();
  37   ~Compiler();
  38 
  39   // Name of this compiler
  40   virtual const char* name()                     { return "C1"; }
  41 
  42   virtual bool is_c1()                           { return true; };
  43 
  44   BufferBlob* build_buffer_blob();
  45 
  46   // Missing feature tests
  47   virtual bool supports_native()                 { return true; }
  48   virtual bool supports_osr   ()                 { return true; }
  49 
  50   // Customization
  51   virtual bool needs_adapters         ()         { return false; }
  52   virtual bool needs_stubs            ()         { return false; }
  53 
  54   // Initialization
  55   virtual void initialize();
  56   static  void initialize_all();
  57 
  58   // Compilation entry point for methods
  59   virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci);
  60 
  61   // Print compilation timers and statistics
  62   virtual void print_timers();
  63 };