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:
ObjectCache()25   ObjectCache() { }
26 
~ObjectCache()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
41