6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
//===---------------- SimpleExecutorMemoryManager.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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//
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// A simple allocator class suitable for basic remote-JIT use.
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//
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// FIXME: The functionality in this file should be moved to the ORC runtime.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_SIMPLEEXECUTORMEMORYMANAGER_H
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#define LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_SIMPLEEXECUTORMEMORYMANAGER_H
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ExecutionEngine/Orc/Shared/ExecutorAddress.h"
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#include "llvm/ExecutionEngine/Orc/Shared/TargetProcessControlTypes.h"
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#include "llvm/ExecutionEngine/Orc/Shared/WrapperFunctionUtils.h"
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#include "llvm/ExecutionEngine/Orc/TargetProcess/ExecutorBootstrapService.h"
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#include "llvm/Support/Error.h"
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#include <mutex>
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namespace llvm {
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namespace orc {
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namespace rt_bootstrap {
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/// Simple page-based allocator.
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class SimpleExecutorMemoryManager : public ExecutorBootstrapService {
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public:
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virtual ~SimpleExecutorMemoryManager();
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Expected<ExecutorAddr> allocate(uint64_t Size);
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Error finalize(tpctypes::FinalizeRequest &FR);
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Error deallocate(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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size_t Size = 0;
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std::vector<shared::WrapperFunctionCall> DeallocationActions;
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};
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using AllocationsMap = DenseMap<void *, Allocation>;
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Error deallocateImpl(void *Base, Allocation &A);
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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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finalizeWrapper(const char *ArgData, size_t ArgSize);
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static llvm::orc::shared::CWrapperFunctionResult
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deallocateWrapper(const char *ArgData, size_t ArgSize);
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std::mutex M;
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AllocationsMap Allocations;
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};
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} // end namespace rt_bootstrap
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} // end namespace orc
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} // end namespace llvm
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#endif // LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_SIMPLEEXECUTORMEMORYMANAGER_H
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