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, const MemoryBuffer *Obj) = 0; 31 32 /// getObjectCopy - Returns a pointer to a newly allocated MemoryBuffer that 33 /// contains the object which corresponds with Module M, or 0 if an object is 34 /// not available. The caller owns both the MemoryBuffer returned by this 35 /// and the memory it references. 36 virtual MemoryBuffer* getObject(const Module* M) = 0; 37 }; 38 39 } 40 41 #endif 42