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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===---------------- SimpleExecutorMemoryManager.h -------------*- C++ -*-===// |
| 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 | // A simple allocator class suitable for basic remote-JIT use. |
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| 10 | // |
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| 11 | // FIXME: The functionality in this file should be moved to the ORC runtime. |
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| 12 | // |
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| 13 | //===----------------------------------------------------------------------===// |
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| 14 | |||
| 15 | #ifndef LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_SIMPLEEXECUTORMEMORYMANAGER_H |
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| 16 | #define LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_SIMPLEEXECUTORMEMORYMANAGER_H |
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| 17 | |||
| 18 | #include "llvm/ADT/DenseMap.h" |
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| 19 | #include "llvm/ExecutionEngine/Orc/Shared/ExecutorAddress.h" |
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| 20 | #include "llvm/ExecutionEngine/Orc/Shared/TargetProcessControlTypes.h" |
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| 21 | #include "llvm/ExecutionEngine/Orc/Shared/WrapperFunctionUtils.h" |
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| 22 | #include "llvm/ExecutionEngine/Orc/TargetProcess/ExecutorBootstrapService.h" |
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| 23 | #include "llvm/Support/Error.h" |
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| 24 | |||
| 25 | #include <mutex> |
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| 26 | |||
| 27 | namespace llvm { |
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| 28 | namespace orc { |
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| 29 | namespace rt_bootstrap { |
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| 30 | |||
| 31 | /// Simple page-based allocator. |
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| 32 | class SimpleExecutorMemoryManager : public ExecutorBootstrapService { |
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| 33 | public: |
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| 34 | virtual ~SimpleExecutorMemoryManager(); |
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| 35 | |||
| 36 | Expected<ExecutorAddr> allocate(uint64_t Size); |
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| 37 | Error finalize(tpctypes::FinalizeRequest &FR); |
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| 38 | Error deallocate(const std::vector<ExecutorAddr> &Bases); |
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| 39 | |||
| 40 | Error shutdown() override; |
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| 41 | void addBootstrapSymbols(StringMap<ExecutorAddr> &M) override; |
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| 42 | |||
| 43 | private: |
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| 44 | struct Allocation { |
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| 45 | size_t Size = 0; |
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| 46 | std::vector<shared::WrapperFunctionCall> DeallocationActions; |
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| 47 | }; |
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| 48 | |||
| 49 | using AllocationsMap = DenseMap<void *, Allocation>; |
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| 50 | |||
| 51 | Error deallocateImpl(void *Base, Allocation &A); |
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| 52 | |||
| 53 | static llvm::orc::shared::CWrapperFunctionResult |
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| 54 | reserveWrapper(const char *ArgData, size_t ArgSize); |
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| 55 | |||
| 56 | static llvm::orc::shared::CWrapperFunctionResult |
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| 57 | finalizeWrapper(const char *ArgData, size_t ArgSize); |
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| 58 | |||
| 59 | static llvm::orc::shared::CWrapperFunctionResult |
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| 60 | deallocateWrapper(const char *ArgData, size_t ArgSize); |
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| 61 | |||
| 62 | std::mutex M; |
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| 63 | AllocationsMap Allocations; |
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| 64 | }; |
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| 65 | |||
| 66 | } // end namespace rt_bootstrap |
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| 67 | } // end namespace orc |
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| 68 | } // end namespace llvm |
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| 69 | |||
| 70 | #endif // LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_SIMPLEEXECUTORMEMORYMANAGER_H |