6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
//===----------- ExecutorSharedMemoryMapperService.h ------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_EXECUTORSHAREDMEMORYMAPPERSERVICE_H
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#define LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_EXECUTORSHAREDMEMORYMAPPERSERVICE_H
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ExecutionEngine/Orc/Shared/TargetProcessControlTypes.h"
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#include "llvm/ExecutionEngine/Orc/TargetProcess/ExecutorBootstrapService.h"
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#include <atomic>
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#include <mutex>
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#if defined(_WIN32)
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#include <windows.h>
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#endif
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namespace llvm {
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namespace orc {
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namespace rt_bootstrap {
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class ExecutorSharedMemoryMapperService final
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: public ExecutorBootstrapService {
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public:
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~ExecutorSharedMemoryMapperService(){};
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Expected<std::pair<ExecutorAddr, std::string>> reserve(uint64_t Size);
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Expected<ExecutorAddr> initialize(ExecutorAddr Reservation,
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tpctypes::SharedMemoryFinalizeRequest &FR);
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Error deinitialize(const std::vector<ExecutorAddr> &Bases);
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Error release(const std::vector<ExecutorAddr> &Bases);
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Error shutdown() override;
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void addBootstrapSymbols(StringMap<ExecutorAddr> &M) override;
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private:
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struct Allocation {
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std::vector<shared::WrapperFunctionCall> DeinitializationActions;
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};
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using AllocationMap = DenseMap<ExecutorAddr, Allocation>;
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struct Reservation {
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size_t Size;
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std::vector<ExecutorAddr> Allocations;
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#if defined(_WIN32)
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HANDLE SharedMemoryFile;
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#endif
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};
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using ReservationMap = DenseMap<void *, Reservation>;
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static llvm::orc::shared::CWrapperFunctionResult
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reserveWrapper(const char *ArgData, size_t ArgSize);
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static llvm::orc::shared::CWrapperFunctionResult
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initializeWrapper(const char *ArgData, size_t ArgSize);
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static llvm::orc::shared::CWrapperFunctionResult
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deinitializeWrapper(const char *ArgData, size_t ArgSize);
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static llvm::orc::shared::CWrapperFunctionResult
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releaseWrapper(const char *ArgData, size_t ArgSize);
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#if (defined(LLVM_ON_UNIX) && !defined(__ANDROID__)) || defined(_WIN32)
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std::atomic<int> SharedMemoryCount{0};
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#endif
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std::mutex Mutex;
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ReservationMap Reservations;
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AllocationMap Allocations;
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};
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} // namespace rt_bootstrap
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} // namespace orc
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} // namespace llvm
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#endif // LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_EXECUTORSHAREDMEMORYMAPPERSERVICE_H
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