1 /*
   2  * Copyright (c) 2011, 2015, 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 #ifndef SHARE_VM_JVMCI_JVMCI_COMPILER_HPP
  25 #define SHARE_VM_JVMCI_JVMCI_COMPILER_HPP
  26 
  27 #include "compiler/abstractCompiler.hpp"
  28 #include "jvmci/jvmciEnv.hpp"
  29 #include "utilities/exceptions.hpp"
  30 
  31 class JVMCICompiler : public AbstractCompiler {
  32 private:
  33   bool _bootstrapping;
  34 
  35   /**
  36    * Number of methods compiled by JVMCI. This is not synchronized
  37    * so may not be 100% accurate.
  38    */
  39   volatile int _methodsCompiled;
  40 
  41   static JVMCICompiler* _instance;
  42 
  43   static elapsedTimer _codeInstallTimer;
  44 


  45 public:
  46   JVMCICompiler();
  47 
  48   static JVMCICompiler* instance(TRAPS) {
  49     if (!EnableJVMCI) {
  50       THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), "JVMCI is not enabled")
  51     }
  52     return _instance;
  53   }
  54 
  55   virtual const char* name() { return "JVMCI"; }
  56 
  57   virtual bool supports_native()                 { return true; }
  58   virtual bool supports_osr   ()                 { return true; }
  59 
  60   bool is_jvmci()                                { return true; }
  61   bool is_c1   ()                                { return false; }
  62   bool is_c2   ()                                { return false; }
  63 
  64   bool needs_stubs            () { return false; }
  65 
  66   // Initialization
  67   virtual void initialize();
  68 
  69   void bootstrap();
  70 
  71   // Compilation entry point for methods
  72   virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci, DirectiveSet* directive);
  73 
  74   void compile_method(const methodHandle& target, int entry_bci, JVMCIEnv* env);
  75 
  76   virtual bool is_trivial(Method* method);
  77 
  78   // Print compilation timers and statistics
  79   virtual void print_timers();
  80 
  81   // Print compilation statistics
  82   void reset_compilation_stats();
  83 
  84   // Print compilation timers and statistics
  85   static void print_compilation_timers();
  86 
  87   static elapsedTimer* codeInstallTimer() { return &_codeInstallTimer; }
  88 };
  89 
  90 #endif // SHARE_VM_JVMCI_JVMCI_COMPILER_HPP
--- EOF ---