Yi Kong | 8328301 | 2023-12-13 12:57:00 +0900 | [diff] [blame^] | 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 <memory> |
| 13 | |
| 14 | namespace llvm { |
| 15 | |
| 16 | class MemoryBuffer; |
| 17 | class MemoryBufferRef; |
| 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 |