JitConfig.hpp

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 * the terms of the Eclipse Public License 2.0 which accompanies this
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 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License, v. 2.0 are satisfied: GNU General Public License,
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 * License, version 2 with the OpenJDK Assembly Exception [2].
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 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
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#ifndef JITCONFIG_HPP_BThFwv
#define JITCONFIG_HPP_BThFwv

#include <stddef.h>
#include <stdint.h>
#include "env/IO.hpp"

namespace TR
{

class JitConfig
   {
   protected:
   JitConfig();

   public:

   static JitConfig *instance();

   // possibly temporary place for options to be stored?
   struct
      {
      int32_t       codeCacheKB;
      char        * vLogFileName;
      TR::FILE    * vLogFile;
      uint64_t      verboseFlags;
      } options;

   void setInterpreterTOC(size_t interpreterTOC) { _interpreterTOC = interpreterTOC; }
   size_t getInterpreterTOC()                    { return _interpreterTOC; }

   void *getPseudoTOC()               { return _pseudoTOC; }
   void setPseudoTOC(void *pseudoTOC) { _pseudoTOC = pseudoTOC; }

   private:
   char                        _eyecatcher[8];

   void                      * _processorInfo;

   size_t                      _interpreterTOC;

   void                      * _pseudoTOC; // only used on POWER, otherwise should be NULL
   };

} /* namespace TR */

#endif /* JITCONFIG_HPP_BThFwv */