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