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COFFPlatform.h	8.61 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
COFFVCRuntimeSupport.h	3.49 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
CompileOnDemandLayer.h	4.48 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
CompileUtils.h	3.25 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
Core.h	80.86 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
DebugObjectManagerPlugin.h	4.16 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
DebugUtils.h	4.74 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
Debugging	-	drwxr-xr-x	2025-05-28 10:12:49	Del
ELFNixPlatform.h	12.55 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
EPCDebugObjectRegistrar.h	2.41 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
EPCDynamicLibrarySearchGenerator.h	3.17 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
EPCEHFrameRegistrar.h	2.25 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
EPCGenericDylibManager.h	3.08 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
EPCGenericJITLinkMemoryManager.h	3.21 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
EPCGenericMemoryAccess.h	3.35 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
EPCGenericRTDyldMemoryManager.h	4.53 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
EPCIndirectionUtils.h	8.46 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ExecutionUtils.h	13.63 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ExecutorProcessControl.h	21.14 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
IRCompileLayer.h	2.17 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
IRTransformLayer.h	1.78 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
IndirectionUtils.h	20.3 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
JITTargetMachineBuilder.h	5.44 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LLJIT.h	22.71 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
Layer.h	7.44 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LazyReexports.h	6.52 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LookupAndRecordAddrs.h	2.7 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachOBuilder.h	19.35 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachOPlatform.h	17.04 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
Mangling.h	2.04 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MapperJITLinkMemoryManager.h	2.48 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MemoryMapper.h	5.21 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ObjectFileInterface.h	1.45 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ObjectLinkingLayer.h	9.46 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ObjectTransformLayer.h	1.54 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
OrcABISupport.h	18.74 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
RTDyldObjectLinkingLayer.h	6.25 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
SectCreate.h	1.95 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
Shared	-	drwxr-xr-x	2025-05-28 10:12:49	Del
SimpleRemoteEPC.h	5.47 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
SpeculateAnalyses.h	2.85 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
Speculation.h	7.18 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
SymbolStringPool.h	10.4 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
TargetProcess	-	drwxr-xr-x	2025-05-28 10:12:49	Del
TaskDispatch.h	3.97 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ThreadSafeModule.h	5.88 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del

Editing: MapperJITLinkMemoryManager.h (2.48 KB)

//===--------------- MapperJITLinkMemoryManager.h -*- C++ -*---------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Implements JITLinkMemoryManager using MemoryMapper
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_EXECUTIONENGINE_ORC_MAPPERJITLINKMEMORYMANAGER_H
#define LLVM_EXECUTIONENGINE_ORC_MAPPERJITLINKMEMORYMANAGER_H

#include "llvm/ADT/IntervalMap.h"
#include "llvm/ExecutionEngine/JITLink/JITLinkMemoryManager.h"
#include "llvm/ExecutionEngine/Orc/MemoryMapper.h"

namespace llvm {
namespace orc {

class MapperJITLinkMemoryManager : public jitlink::JITLinkMemoryManager {
public:
  MapperJITLinkMemoryManager(size_t ReservationGranularity,
                             std::unique_ptr<MemoryMapper> Mapper);

  template <class MemoryMapperType, class... Args>
  static Expected<std::unique_ptr<MapperJITLinkMemoryManager>>
  CreateWithMapper(size_t ReservationGranularity, Args &&...A) {
    auto Mapper = MemoryMapperType::Create(std::forward<Args>(A)...);
    if (!Mapper)
      return Mapper.takeError();

    return std::make_unique<MapperJITLinkMemoryManager>(ReservationGranularity,
                                                        std::move(*Mapper));
  }

  void allocate(const jitlink::JITLinkDylib *JD, jitlink::LinkGraph &G,
                OnAllocatedFunction OnAllocated) override;
  // synchronous overload
  using JITLinkMemoryManager::allocate;

  void deallocate(std::vector<FinalizedAlloc> Allocs,
                  OnDeallocatedFunction OnDeallocated) override;
  // synchronous overload
  using JITLinkMemoryManager::deallocate;

private:
  class InFlightAlloc;

  std::mutex Mutex;

  // We reserve multiples of this from the executor address space
  size_t ReservationUnits;

  // Ranges that have been reserved in executor but not yet allocated
  using AvailableMemoryMap = IntervalMap<ExecutorAddr, bool>;
  AvailableMemoryMap::Allocator AMAllocator;
  IntervalMap<ExecutorAddr, bool> AvailableMemory;

  // Ranges that have been reserved in executor and already allocated
  DenseMap<ExecutorAddr, ExecutorAddrDiff> UsedMemory;

  std::unique_ptr<MemoryMapper> Mapper;
};

} // end namespace orc
} // end namespace llvm

#endif // LLVM_EXECUTIONENGINE_ORC_MAPPERJITLINKMEMORYMANAGER_H