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 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 43
