Line data    Source code

       1             : //===-- ObjectCache.h - Class definition for the ObjectCache ----*- C++ -*-===//
       2             : //
       3             : //                     The LLVM Compiler Infrastructure
       4             : //
       5             : // This file is distributed under the University of Illinois Open Source
       6             : // License. See LICENSE.TXT for details.
       7             : //
       8             : //===----------------------------------------------------------------------===//
       9             : 
      10             : #ifndef LLVM_EXECUTIONENGINE_OBJECTCACHE_H
      11             : #define LLVM_EXECUTIONENGINE_OBJECTCACHE_H
      12             : 
      13             : #include "llvm/Support/MemoryBuffer.h"
      14             : #include <memory>
      15             : 
      16             : namespace llvm {
      17             : 
      18             : class Module;
      19             : 
      20             : /// This is the base ObjectCache type which can be provided to an
      21             : /// ExecutionEngine for the purpose of avoiding compilation for Modules that
      22             : /// have already been compiled and an object file is available.
      23             : class ObjectCache {
      24             :   virtual void anchor();
      25             : 
      26             : public:
      27             :   ObjectCache() = default;
      28             : 
      29           0 :   virtual ~ObjectCache() = default;
      30             : 
      31             :   /// notifyObjectCompiled - Provides a pointer to compiled code for Module M.
      32             :   virtual void notifyObjectCompiled(const Module *M, MemoryBufferRef Obj) = 0;
      33             : 
      34             :   /// Returns a pointer to a newly allocated MemoryBuffer that contains the
      35             :   /// object which corresponds with Module M, or 0 if an object is not
      36             :   /// available.
      37             :   virtual std::unique_ptr<MemoryBuffer> getObject(const Module* M) = 0;
      38             : };
      39             : 
      40             : } // end namespace llvm
      41             : 
      42             : #endif // LLVM_EXECUTIONENGINE_OBJECTCACHE_H