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 |
43 | |