text: //===-- ObjectCache.h - Class definition for the ObjectCache -----C++ -*-===//
  //
  //                     The LLVM Compiler Infrastructure
  //
  // This file is distributed under the University of Illinois Open Source
  // License. See LICENSE.TXT for details.
  //
  //===----------------------------------------------------------------------===//
  
  #ifndef LLVM_EXECUTIONENGINE_OBJECTCACHE_H
  #define LLVM_EXECUTIONENGINE_OBJECTCACHE_H
  
  #include "llvm/Support/MemoryBuffer.h"
  
  namespace llvm {
  
  class Module;
  
  /// This is the base ObjectCache type which can be provided to an
  /// ExecutionEngine for the purpose of avoiding compilation for Modules that
  /// have already been compiled and an object file is available.
  class ObjectCache {
    virtual void anchor();
  public:
    ObjectCache() { }
  
    virtual ~ObjectCache() { }
  
    /// notifyObjectCompiled - Provides a pointer to compiled code for Module M.
    virtual void notifyObjectCompiled(const Module *M, const MemoryBuffer *Obj) = 0;
  
    /// getObjectCopy - Returns a pointer to a newly allocated MemoryBuffer that
    /// contains the object which corresponds with Module M, or 0 if an object is
    /// not available. The caller owns both the MemoryBuffer returned by this
    /// and the memory it references.
    virtual MemoryBuffer* getObject(const Module* M) = 0;
  };
  
  }
  
  #endif
  