1 //===-- ObjectCache.h - Class definition for the ObjectCache ----*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_EXECUTIONENGINE_OBJECTCACHE_H 10 #define LLVM_EXECUTIONENGINE_OBJECTCACHE_H 11 12 #include "llvm/Support/Compiler.h" 13 #include <memory> 14 15 namespace llvm { 16 17 class MemoryBuffer; 18 class MemoryBufferRef; 19 class Module; 20 21 /// This is the base ObjectCache type which can be provided to an 22 /// ExecutionEngine for the purpose of avoiding compilation for Modules that 23 /// have already been compiled and an object file is available. 24 class LLVM_ABI ObjectCache { 25 virtual void anchor(); 26 27 public: 28 ObjectCache() = default; 29 30 virtual ~ObjectCache() = default; 31 32 /// notifyObjectCompiled - Provides a pointer to compiled code for Module M. 33 virtual void notifyObjectCompiled(const Module *M, MemoryBufferRef Obj) = 0; 34 35 /// Returns a pointer to a newly allocated MemoryBuffer that contains the 36 /// object which corresponds with Module M, or 0 if an object is not 37 /// available. 38 virtual std::unique_ptr<MemoryBuffer> getObject(const Module* M) = 0; 39 }; 40 41 } // end namespace llvm 42 43 #endif // LLVM_EXECUTIONENGINE_OBJECTCACHE_H 44