1 /*
   2  * Copyright (c) 1999, 2014, 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 #ifndef SHARE_VM_C1_C1_COMPILER_HPP
  26 #define SHARE_VM_C1_C1_COMPILER_HPP
  27 
  28 #include "compiler/abstractCompiler.hpp"
  29 
  30 // There is one instance of the Compiler per CompilerThread.
  31 
  32 class Compiler: public AbstractCompiler {
  33  private:
  34   static void init_c1_runtime();
  35   BufferBlob* init_buffer_blob();
  36 
  37  public:
  38   // Creation
  39   Compiler();
  40   ~Compiler();
  41 
  42   // Name of this compiler
  43   virtual const char* name()                     { return "C1"; }
  44 
  45   // Missing feature tests
  46   virtual bool supports_native()                 { return true; }
  47   virtual bool supports_osr   ()                 { return true; }
  48 
  49   // Initialization
  50   virtual void initialize();
  51 
  52   // Compilation entry point for methods
  53   virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci);
  54 
  55   // Print compilation timers and statistics
  56   virtual void print_timers();
  57 
  58   // Check the availability of an intrinsic for 'method' given a compilation context.
  59   // The compilation context is needed to support per-method usage of the
  60   // DisableIntrinsic flag. However, as C1 ignores the DisableIntrinsic flag, the
  61   // compilation context can be ignored.
  62   virtual bool is_intrinsic_available_for(methodHandle method, methodHandle compilation_context) {
  63     return is_intrinsic_available_for(method);
  64   }
  65   // Check the availability of an intrinsic for a 'method'.
  66   virtual bool is_intrinsic_available_for(methodHandle method);
  67 
  68   // Size of the code buffer
  69   static int code_buffer_size();
  70 };
  71 
  72 #endif // SHARE_VM_C1_C1_COMPILER_HPP