src/llvm/include/llvm/ExecutionEngine/ObjectCache.h

   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
  15 namespace llvm {
  16
  17 class Module;
  18
  19 /// This is the base ObjectCache type which can be provided to an
  20 /// ExecutionEngine for the purpose of avoiding compilation for Modules that
  21 /// have already been compiled and an object file is available.
  22 class ObjectCache {
  23   virtual void anchor();
  24 public:
  25   ObjectCache() { }
  26
  27   virtual ~ObjectCache() { }
  28
  29   /// notifyObjectCompiled - Provides a pointer to compiled code for Module M.
  30   virtual void notifyObjectCompiled(const Module *M, MemoryBufferRef Obj) = 0;
  31
  32   /// Returns a pointer to a newly allocated MemoryBuffer that contains the
  33   /// object which corresponds with Module M, or 0 if an object is not
  34   /// available.
  35   virtual std::unique_ptr<MemoryBuffer> getObject(const Module* M) = 0;
  36 };
  37
  38 }
  39
  40 #endif