/*
 * This file is part of the Process Hacker project - https://processhacker.sourceforge.io/
 *
 * You can redistribute this file and/or modify it under the terms of the 
 * Attribution 4.0 International (CC BY 4.0) license. 
 * 
 * You must give appropriate credit, provide a link to the license, and 
 * indicate if changes were made. You may do so in any reasonable manner, but 
 * not in any way that suggests the licensor endorses you or your use.
 */

#ifndef _NTMMAPI_H
#define _NTMMAPI_H

#if (PHNT_MODE == PHNT_MODE_KERNEL)

// Protection constants

#define PAGE_NOACCESS 0x01
#define PAGE_READONLY 0x02
#define PAGE_READWRITE 0x04
#define PAGE_WRITECOPY 0x08
#define PAGE_EXECUTE 0x10
#define PAGE_EXECUTE_READ 0x20
#define PAGE_EXECUTE_READWRITE 0x40
#define PAGE_EXECUTE_WRITECOPY 0x80
#define PAGE_GUARD 0x100
#define PAGE_NOCACHE 0x200
#define PAGE_WRITECOMBINE 0x400

#define PAGE_REVERT_TO_FILE_MAP     0x80000000
#define PAGE_ENCLAVE_THREAD_CONTROL 0x80000000
#define PAGE_TARGETS_NO_UPDATE      0x40000000
#define PAGE_TARGETS_INVALID        0x40000000
#define PAGE_ENCLAVE_UNVALIDATED    0x20000000

// Region and section constants
#if (PHNT_MODE != PHNT_MODE_KERNEL)
#define MEM_COMMIT 0x1000
#define MEM_RESERVE 0x2000
#define MEM_DECOMMIT 0x4000
#define MEM_RELEASE 0x8000
#define MEM_FREE 0x10000
#define MEM_PRIVATE 0x20000
#define MEM_MAPPED 0x40000
#define MEM_RESET 0x80000
#define MEM_TOP_DOWN 0x100000
#endif
#define MEM_WRITE_WATCH 0x200000
#define MEM_PHYSICAL 0x400000
#define MEM_ROTATE 0x800000
#define MEM_DIFFERENT_IMAGE_BASE_OK 0x800000
#if (PHNT_MODE != PHNT_MODE_KERNEL)
#define MEM_RESET_UNDO 0x1000000
#endif
#define MEM_LARGE_PAGES 0x20000000
#define MEM_4MB_PAGES 0x80000000

#if (PHNT_MODE != PHNT_MODE_KERNEL)
#define SEC_FILE 0x800000
#endif
#define SEC_IMAGE 0x1000000
#define SEC_PROTECTED_IMAGE 0x2000000
#if (PHNT_MODE != PHNT_MODE_KERNEL)
#define SEC_RESERVE 0x4000000
#define SEC_COMMIT 0x8000000
#endif
#define SEC_NOCACHE 0x10000000
#define SEC_WRITECOMBINE 0x40000000
#define SEC_LARGE_PAGES 0x80000000
#define SEC_IMAGE_NO_EXECUTE (SEC_IMAGE | SEC_NOCACHE)
#define MEM_IMAGE SEC_IMAGE

#endif

#if (PHNT_MODE != PHNT_MODE_KERNEL)
// private
typedef enum _MEMORY_INFORMATION_CLASS
{
    MemoryBasicInformation, // MEMORY_BASIC_INFORMATION
    MemoryWorkingSetInformation, // MEMORY_WORKING_SET_INFORMATION
    MemoryMappedFilenameInformation, // UNICODE_STRING
    MemoryRegionInformation, // MEMORY_REGION_INFORMATION
    MemoryWorkingSetExInformation, // MEMORY_WORKING_SET_EX_INFORMATION
    MemorySharedCommitInformation, // MEMORY_SHARED_COMMIT_INFORMATION
    MemoryImageInformation, // MEMORY_IMAGE_INFORMATION
    MemoryRegionInformationEx,
    MemoryPrivilegedBasicInformation,
    MemoryEnclaveImageInformation, // MEMORY_ENCLAVE_IMAGE_INFORMATION // since REDSTONE3
    MemoryBasicInformationCapped
} MEMORY_INFORMATION_CLASS;
#else
#define MemoryBasicInformation 0x0
#define MemoryWorkingSetInformation 0x1
#define MemoryMappedFilenameInformation 0x2
#define MemoryRegionInformation 0x3
#define MemoryWorkingSetExInformation 0x4
#define MemorySharedCommitInformation 0x5
#define MemoryImageInformation 0x6
#define MemoryRegionInformationEx 0x7
#define MemoryPrivilegedBasicInformation 0x8
#define MemoryEnclaveImageInformation 0x9
#define MemoryBasicInformationCapped 0xA
#endif

typedef struct _MEMORY_WORKING_SET_BLOCK
{
    ULONG_PTR Protection : 5;
    ULONG_PTR ShareCount : 3;
    ULONG_PTR Shared : 1;
    ULONG_PTR Node : 3;
#ifdef _WIN64
    ULONG_PTR VirtualPage : 52;
#else
    ULONG VirtualPage : 20;
#endif
} MEMORY_WORKING_SET_BLOCK, *PMEMORY_WORKING_SET_BLOCK;

typedef struct _MEMORY_WORKING_SET_INFORMATION
{
    ULONG_PTR NumberOfEntries;
    MEMORY_WORKING_SET_BLOCK WorkingSetInfo[1];
} MEMORY_WORKING_SET_INFORMATION, *PMEMORY_WORKING_SET_INFORMATION;

// private
typedef struct _MEMORY_REGION_INFORMATION
{
    PVOID AllocationBase;
    ULONG AllocationProtect;
    union
    {
        ULONG RegionType;
        struct
        {
            ULONG Private : 1;
            ULONG MappedDataFile : 1;
            ULONG MappedImage : 1;
            ULONG MappedPageFile : 1;
            ULONG MappedPhysical : 1;
            ULONG DirectMapped : 1;
            ULONG SoftwareEnclave : 1; // REDSTONE3
            ULONG PageSize64K : 1;
            ULONG PlaceholderReservation : 1; // REDSTONE4
            ULONG Reserved : 23;
        };
    };
    SIZE_T RegionSize;
    SIZE_T CommitSize;
    ULONG_PTR PartitionId; // 19H1
} MEMORY_REGION_INFORMATION, *PMEMORY_REGION_INFORMATION;

// private 
typedef enum _MEMORY_WORKING_SET_EX_LOCATION
{
    MemoryLocationInvalid,
    MemoryLocationResident,
    MemoryLocationPagefile,
    MemoryLocationReserved
} MEMORY_WORKING_SET_EX_LOCATION;

// private
typedef struct _MEMORY_WORKING_SET_EX_BLOCK
{
    union
    {
        struct
        {
            ULONG_PTR Valid : 1;
            ULONG_PTR ShareCount : 3;
            ULONG_PTR Win32Protection : 11;
            ULONG_PTR Shared : 1;
            ULONG_PTR Node : 6;
            ULONG_PTR Locked : 1;
            ULONG_PTR LargePage : 1;
            ULONG_PTR Priority : 3;
            ULONG_PTR Reserved : 3;
            ULONG_PTR SharedOriginal : 1;
            ULONG_PTR Bad : 1;
            ULONG_PTR Win32GraphicsProtection : 4; // 19H1
#ifdef _WIN64
            ULONG_PTR ReservedUlong : 28;
#endif
        };
        struct
        {
            ULONG_PTR Valid : 1;
            ULONG_PTR Reserved0 : 14;
            ULONG_PTR Shared : 1;
            ULONG_PTR Reserved1 : 5;
            ULONG_PTR PageTable : 1;
            ULONG_PTR Location : 2;
            ULONG_PTR Priority : 3;
            ULONG_PTR ModifiedList : 1;
            ULONG_PTR Reserved2 : 2;
            ULONG_PTR SharedOriginal : 1;
            ULONG_PTR Bad : 1;
#ifdef _WIN64
            ULONG_PTR ReservedUlong : 32;
#endif
        } Invalid;
    };
} MEMORY_WORKING_SET_EX_BLOCK, *PMEMORY_WORKING_SET_EX_BLOCK;

// private
typedef struct _MEMORY_WORKING_SET_EX_INFORMATION
{
    PVOID VirtualAddress;
    union
    {
        MEMORY_WORKING_SET_EX_BLOCK VirtualAttributes;
        ULONG_PTR Long;
    } u1;
} MEMORY_WORKING_SET_EX_INFORMATION, *PMEMORY_WORKING_SET_EX_INFORMATION;

// private
typedef struct _MEMORY_SHARED_COMMIT_INFORMATION
{
    SIZE_T CommitSize;
} MEMORY_SHARED_COMMIT_INFORMATION, *PMEMORY_SHARED_COMMIT_INFORMATION;

// private
typedef struct _MEMORY_IMAGE_INFORMATION
{
    PVOID ImageBase;
    SIZE_T SizeOfImage;
    union
    {
        ULONG ImageFlags;
        struct
        {
            ULONG ImagePartialMap : 1;
            ULONG ImageNotExecutable : 1;
            ULONG ImageSigningLevel : 4; // REDSTONE3
            ULONG Reserved : 26;
        };
    };
} MEMORY_IMAGE_INFORMATION, *PMEMORY_IMAGE_INFORMATION;

// private
typedef struct _MEMORY_ENCLAVE_IMAGE_INFORMATION
{
    MEMORY_IMAGE_INFORMATION ImageInfo;
    UCHAR UniqueID[32];
    UCHAR AuthorID[32];
} MEMORY_ENCLAVE_IMAGE_INFORMATION, *PMEMORY_ENCLAVE_IMAGE_INFORMATION;

#define MMPFNLIST_ZERO 0
#define MMPFNLIST_FREE 1
#define MMPFNLIST_STANDBY 2
#define MMPFNLIST_MODIFIED 3
#define MMPFNLIST_MODIFIEDNOWRITE 4
#define MMPFNLIST_BAD 5
#define MMPFNLIST_ACTIVE 6
#define MMPFNLIST_TRANSITION 7

//typedef enum _MMLISTS
//{
//    ZeroedPageList = 0,
//    FreePageList = 1,
//    StandbyPageList = 2,
//    ModifiedPageList = 3,
//    ModifiedNoWritePageList = 4,
//    BadPageList = 5,
//    ActiveAndValid = 6,
//    TransitionPage = 7
//} MMLISTS;

#define MMPFNUSE_PROCESSPRIVATE 0
#define MMPFNUSE_FILE 1
#define MMPFNUSE_PAGEFILEMAPPED 2
#define MMPFNUSE_PAGETABLE 3
#define MMPFNUSE_PAGEDPOOL 4
#define MMPFNUSE_NONPAGEDPOOL 5
#define MMPFNUSE_SYSTEMPTE 6
#define MMPFNUSE_SESSIONPRIVATE 7
#define MMPFNUSE_METAFILE 8
#define MMPFNUSE_AWEPAGE 9
#define MMPFNUSE_DRIVERLOCKPAGE 10
#define MMPFNUSE_KERNELSTACK 11

//typedef enum _MMPFNUSE
//{
//    ProcessPrivatePage,
//    MemoryMappedFilePage,
//    PageFileMappedPage,
//    PageTablePage,
//    PagedPoolPage,
//    NonPagedPoolPage,
//    SystemPTEPage,
//    SessionPrivatePage,
//    MetafilePage,
//    AWEPage,
//    DriverLockedPage,
//    KernelStackPage
//} MMPFNUSE;

// private
typedef struct _MEMORY_FRAME_INFORMATION
{
    ULONGLONG UseDescription : 4; // MMPFNUSE_*
    ULONGLONG ListDescription : 3; // MMPFNLIST_*
    ULONGLONG Cold : 1; // 19H1
    ULONGLONG Pinned : 1; // 1 - pinned, 0 - not pinned
    ULONGLONG DontUse : 48; // *_INFORMATION overlay
    ULONGLONG Priority : 3; // rev
    ULONGLONG Reserved : 4; // reserved for future expansion
} MEMORY_FRAME_INFORMATION;

// private
typedef struct _FILEOFFSET_INFORMATION
{
    ULONGLONG DontUse : 9; // MEMORY_FRAME_INFORMATION overlay
    ULONGLONG Offset : 48; // mapped files
    ULONGLONG Reserved : 7; // reserved for future expansion
} FILEOFFSET_INFORMATION;

// private
typedef struct _PAGEDIR_INFORMATION
{
    ULONGLONG DontUse : 9; // MEMORY_FRAME_INFORMATION overlay
    ULONGLONG PageDirectoryBase : 48; // private pages
    ULONGLONG Reserved : 7; // reserved for future expansion
} PAGEDIR_INFORMATION;

// private
typedef struct _UNIQUE_PROCESS_INFORMATION
{
    ULONGLONG DontUse : 9; // MEMORY_FRAME_INFORMATION overlay
    ULONGLONG UniqueProcessKey : 48; // ProcessId
    ULONGLONG Reserved  : 7; // reserved for future expansion
} UNIQUE_PROCESS_INFORMATION, *PUNIQUE_PROCESS_INFORMATION;

// private
typedef struct _MMPFN_IDENTITY
{
    union
    {
        MEMORY_FRAME_INFORMATION e1; // all
        FILEOFFSET_INFORMATION e2; // mapped files
        PAGEDIR_INFORMATION e3; // private pages
        UNIQUE_PROCESS_INFORMATION e4; // owning process
    } u1;
    ULONG_PTR PageFrameIndex; // all
    union
    {
        struct
        {
            ULONG_PTR Image : 1;
            ULONG_PTR Mismatch : 1;
        } e1;
        struct
        {
            ULONG_PTR CombinedPage;
        } e2;
        ULONG_PTR FileObject; // mapped files
        ULONG_PTR UniqueFileObjectKey;
        ULONG_PTR ProtoPteAddress;
        ULONG_PTR VirtualAddress;  // everything else
    } u2;
} MMPFN_IDENTITY, *PMMPFN_IDENTITY;

typedef struct _MMPFN_MEMSNAP_INFORMATION
{
    ULONG_PTR InitialPageFrameIndex;
    ULONG_PTR Count;
} MMPFN_MEMSNAP_INFORMATION, *PMMPFN_MEMSNAP_INFORMATION;

typedef enum _SECTION_INFORMATION_CLASS
{
    SectionBasicInformation, // q; SECTION_BASIC_INFORMATION
    SectionImageInformation, // q; SECTION_IMAGE_INFORMATION
    SectionRelocationInformation, // name:wow64:whNtQuerySection_SectionRelocationInformation
    SectionOriginalBaseInformation, // PVOID BaseAddress
    SectionInternalImageInformation, // SECTION_INTERNAL_IMAGE_INFORMATION // since REDSTONE2
    MaxSectionInfoClass
} SECTION_INFORMATION_CLASS;

typedef struct _SECTION_BASIC_INFORMATION
{
    PVOID BaseAddress;
    ULONG AllocationAttributes;
    LARGE_INTEGER MaximumSize;
} SECTION_BASIC_INFORMATION, *PSECTION_BASIC_INFORMATION;

// symbols
typedef struct _SECTION_IMAGE_INFORMATION
{
    PVOID TransferAddress;
    ULONG ZeroBits;
    SIZE_T MaximumStackSize;
    SIZE_T CommittedStackSize;
    ULONG SubSystemType;
    union
    {
        struct
        {
            USHORT SubSystemMinorVersion;
            USHORT SubSystemMajorVersion;
        };
        ULONG SubSystemVersion;
    };
    union
    {
        struct
        {
            USHORT MajorOperatingSystemVersion;
            USHORT MinorOperatingSystemVersion;
        };
        ULONG OperatingSystemVersion;
    };
    USHORT ImageCharacteristics;
    USHORT DllCharacteristics;
    USHORT Machine;
    BOOLEAN ImageContainsCode;
    union
    {
        UCHAR ImageFlags;
        struct
        {
            UCHAR ComPlusNativeReady : 1;
            UCHAR ComPlusILOnly : 1;
            UCHAR ImageDynamicallyRelocated : 1;
            UCHAR ImageMappedFlat : 1;
            UCHAR BaseBelow4gb : 1;
            UCHAR ComPlusPrefer32bit : 1;
            UCHAR Reserved : 2;
        };
    };
    ULONG LoaderFlags;
    ULONG ImageFileSize;
    ULONG CheckSum;
} SECTION_IMAGE_INFORMATION, *PSECTION_IMAGE_INFORMATION;

// symbols
typedef struct _SECTION_INTERNAL_IMAGE_INFORMATION
{
    SECTION_IMAGE_INFORMATION SectionInformation;
    union
    {
        ULONG ExtendedFlags;
        struct
        {
            ULONG ImageExportSuppressionEnabled : 1;
            ULONG Reserved : 31;
        };
    };
} SECTION_INTERNAL_IMAGE_INFORMATION, *PSECTION_INTERNAL_IMAGE_INFORMATION;

#if (PHNT_MODE != PHNT_MODE_KERNEL)
typedef enum _SECTION_INHERIT
{
    ViewShare = 1,
    ViewUnmap = 2
} SECTION_INHERIT;
#endif

#define SEC_BASED 0x200000
#define SEC_NO_CHANGE 0x400000
#define SEC_GLOBAL 0x20000000

#define MEM_EXECUTE_OPTION_DISABLE 0x1
#define MEM_EXECUTE_OPTION_ENABLE 0x2
#define MEM_EXECUTE_OPTION_DISABLE_THUNK_EMULATION 0x4
#define MEM_EXECUTE_OPTION_PERMANENT 0x8
#define MEM_EXECUTE_OPTION_EXECUTE_DISPATCH_ENABLE 0x10
#define MEM_EXECUTE_OPTION_IMAGE_DISPATCH_ENABLE 0x20
#define MEM_EXECUTE_OPTION_VALID_FLAGS 0x3f

// Virtual memory

#if (PHNT_MODE != PHNT_MODE_KERNEL)

NTSYSCALLAPI
NTSTATUS
NTAPI
NtAllocateVirtualMemory(
    _In_ HANDLE ProcessHandle,
    _Inout_ _At_(*BaseAddress, _Readable_bytes_(*RegionSize) _Writable_bytes_(*RegionSize) _Post_readable_byte_size_(*RegionSize)) PVOID *BaseAddress,
    _In_ ULONG_PTR ZeroBits,
    _Inout_ PSIZE_T RegionSize,
    _In_ ULONG AllocationType,
    _In_ ULONG Protect
    );

NTSYSCALLAPI
NTSTATUS
NTAPI
NtFreeVirtualMemory(
    _In_ HANDLE ProcessHandle,
    _Inout_ PVOID *BaseAddress,
    _Inout_ PSIZE_T RegionSize,
    _In_ ULONG FreeType
    );

NTSYSCALLAPI
NTSTATUS
NTAPI
NtReadVirtualMemory(
    _In_ HANDLE ProcessHandle,
    _In_opt_ PVOID BaseAddress,
    _Out_writes_bytes_(BufferSize) PVOID Buffer,
    _In_ SIZE_T BufferSize,
    _Out_opt_ PSIZE_T NumberOfBytesRead
    );

NTSYSCALLAPI
NTSTATUS
NTAPI
NtWriteVirtualMemory(
    _In_ HANDLE ProcessHandle,
    _In_opt_ PVOID BaseAddress,
    _In_reads_bytes_(BufferSize) PVOID Buffer,
    _In_ SIZE_T BufferSize,
    _Out_opt_ PSIZE_T NumberOfBytesWritten
    );

NTSYSCALLAPI
NTSTATUS
NTAPI
NtProtectVirtualMemory(
    _In_ HANDLE ProcessHandle,
    _Inout_ PVOID *BaseAddress,
    _Inout_ PSIZE_T RegionSize,
    _In_ ULONG NewProtect,
    _Out_ PULONG OldProtect
    );

NTSYSCALLAPI
NTSTATUS
NTAPI
NtQueryVirtualMemory(
    _In_ HANDLE ProcessHandle,
    _In_opt_ PVOID BaseAddress,
    _In_ MEMORY_INFORMATION_CLASS MemoryInformationClass,
    _Out_writes_bytes_(MemoryInformationLength) PVOID MemoryInformation,
    _In_ SIZE_T MemoryInformationLength,
    _Out_opt_ PSIZE_T ReturnLength
    );

#endif

// begin_private
#if (PHNT_MODE != PHNT_MODE_KERNEL)
typedef enum _VIRTUAL_MEMORY_INFORMATION_CLASS
{
    VmPrefetchInformation, // ULONG
    VmPagePriorityInformation,
    VmCfgCallTargetInformation, // CFG_CALL_TARGET_LIST_INFORMATION // REDSTONE2
    VmPageDirtyStateInformation, // REDSTONE3
    VmImageHotPatchInformation // 19H1
} VIRTUAL_MEMORY_INFORMATION_CLASS;

typedef struct _MEMORY_RANGE_ENTRY
{
    PVOID VirtualAddress;
    SIZE_T NumberOfBytes;
} MEMORY_RANGE_ENTRY, *PMEMORY_RANGE_ENTRY;

typedef struct _CFG_CALL_TARGET_LIST_INFORMATION
{
    ULONG NumberOfEntries;
    ULONG Reserved;
    PULONG NumberOfEntriesProcessed;
    PCFG_CALL_TARGET_INFO CallTargetInfo;
    PVOID Section; // since REDSTONE5
    ULONGLONG FileOffset;
} CFG_CALL_TARGET_LIST_INFORMATION, *PCFG_CALL_TARGET_LIST_INFORMATION;
#endif
// end_private

#if (PHNT_MODE != PHNT_MODE_KERNEL)

#if (PHNT_VERSION >= PHNT_THRESHOLD)

NTSYSCALLAPI
NTSTATUS
NTAPI
NtSetInformationVirtualMemory(
    _In_ HANDLE ProcessHandle,
    _In_ VIRTUAL_MEMORY_INFORMATION_CLASS VmInformationClass,
    _In_ ULONG_PTR NumberOfEntries,
    _In_reads_ (NumberOfEntries) PMEMORY_RANGE_ENTRY VirtualAddresses,
    _In_reads_bytes_ (VmInformationLength) PVOID VmInformation,
    _In_ ULONG VmInformationLength
    );

#endif

#define MAP_PROCESS 1
#define MAP_SYSTEM 2

NTSYSCALLAPI
NTSTATUS
NTAPI
NtLockVirtualMemory(
    _In_ HANDLE ProcessHandle,
    _Inout_ PVOID *BaseAddress,
    _Inout_ PSIZE_T RegionSize,
    _In_ ULONG MapType
    );

NTSYSCALLAPI
NTSTATUS
NTAPI
NtUnlockVirtualMemory(
    _In_ HANDLE ProcessHandle,
    _Inout_ PVOID *BaseAddress,
    _Inout_ PSIZE_T RegionSize,
    _In_ ULONG MapType
    );

#endif

// Sections

#if (PHNT_MODE != PHNT_MODE_KERNEL)

NTSYSCALLAPI
NTSTATUS
NTAPI
NtCreateSection(
    _Out_ PHANDLE SectionHandle,
    _In_ ACCESS_MASK DesiredAccess,
    _In_opt_ POBJECT_ATTRIBUTES ObjectAttributes,
    _In_opt_ PLARGE_INTEGER MaximumSize,
    _In_ ULONG SectionPageProtection,
    _In_ ULONG AllocationAttributes,
    _In_opt_ HANDLE FileHandle
    );

#if (PHNT_VERSION >= PHNT_REDSTONE5)
NTSYSCALLAPI
NTSTATUS
NTAPI
NtCreateSectionEx(
    _Out_ PHANDLE SectionHandle,
    _In_ ACCESS_MASK DesiredAccess,
    _In_opt_ POBJECT_ATTRIBUTES ObjectAttributes,
    _In_opt_ PLARGE_INTEGER MaximumSize,
    _In_ ULONG SectionPageProtection,
    _In_ ULONG AllocationAttributes,
    _In_opt_ HANDLE FileHandle,
    _In_ PMEM_EXTENDED_PARAMETER ExtendedParameters,
    _In_ ULONG ExtendedParameterCount
    );
#endif

NTSYSCALLAPI
NTSTATUS
NTAPI
NtOpenSection(
    _Out_ PHANDLE SectionHandle,
    _In_ ACCESS_MASK DesiredAccess,
    _In_ POBJECT_ATTRIBUTES ObjectAttributes
    );

NTSYSCALLAPI
NTSTATUS
NTAPI
NtMapViewOfSection(
    _In_ HANDLE SectionHandle,
    _In_ HANDLE ProcessHandle,
    _Inout_ _At_(*BaseAddress, _Readable_bytes_(*ViewSize) _Writable_bytes_(*ViewSize) _Post_readable_byte_size_(*ViewSize)) PVOID *BaseAddress,
    _In_ ULONG_PTR ZeroBits,
    _In_ SIZE_T CommitSize,
    _Inout_opt_ PLARGE_INTEGER SectionOffset,
    _Inout_ PSIZE_T ViewSize,
    _In_ SECTION_INHERIT InheritDisposition,
    _In_ ULONG AllocationType,
    _In_ ULONG Win32Protect
    );

NTSYSCALLAPI
NTSTATUS
NTAPI
NtUnmapViewOfSection(
    _In_ HANDLE ProcessHandle,
    _In_opt_ PVOID BaseAddress
    );

#if (PHNT_VERSION >= PHNT_WIN8)
NTSYSCALLAPI
NTSTATUS
NTAPI
NtUnmapViewOfSectionEx(
    _In_ HANDLE ProcessHandle,
    _In_opt_ PVOID BaseAddress,
    _In_ ULONG Flags
    );
#endif

NTSYSCALLAPI
NTSTATUS
NTAPI
NtExtendSection(
    _In_ HANDLE SectionHandle,
    _Inout_ PLARGE_INTEGER NewSectionSize
    );

NTSYSCALLAPI
NTSTATUS
NTAPI
NtQuerySection(
    _In_ HANDLE SectionHandle,
    _In_ SECTION_INFORMATION_CLASS SectionInformationClass,
    _Out_writes_bytes_(SectionInformationLength) PVOID SectionInformation,
    _In_ SIZE_T SectionInformationLength,
    _Out_opt_ PSIZE_T ReturnLength
    );

NTSYSCALLAPI
NTSTATUS
NTAPI
NtAreMappedFilesTheSame(
    _In_ PVOID File1MappedAsAnImage,
    _In_ PVOID File2MappedAsFile
    );

#endif

// Partitions

#ifndef MEMORY_PARTITION_QUERY_ACCESS
#define MEMORY_PARTITION_QUERY_ACCESS 0x0001
#define MEMORY_PARTITION_MODIFY_ACCESS 0x0002
#define MEMORY_PARTITION_ALL_ACCESS \
    (STANDARD_RIGHTS_REQUIRED | SYNCHRONIZE | \
     MEMORY_PARTITION_QUERY_ACCESS | MEMORY_PARTITION_MODIFY_ACCESS)
#endif

// private
typedef enum _MEMORY_PARTITION_INFORMATION_CLASS
{
    SystemMemoryPartitionInformation, // q: MEMORY_PARTITION_CONFIGURATION_INFORMATION
    SystemMemoryPartitionMoveMemory, // s: MEMORY_PARTITION_TRANSFER_INFORMATION
    SystemMemoryPartitionAddPagefile, // s: MEMORY_PARTITION_PAGEFILE_INFORMATION
    SystemMemoryPartitionCombineMemory, // q; s: MEMORY_PARTITION_PAGE_COMBINE_INFORMATION
    SystemMemoryPartitionInitialAddMemory, // q; s: MEMORY_PARTITION_INITIAL_ADD_INFORMATION
    SystemMemoryPartitionGetMemoryEvents, // MEMORY_PARTITION_MEMORY_EVENTS_INFORMATION // since REDSTONE2
    SystemMemoryPartitionMax
} MEMORY_PARTITION_INFORMATION_CLASS;

// private
typedef struct _MEMORY_PARTITION_CONFIGURATION_INFORMATION
{
    ULONG Flags;
    ULONG NumaNode;
    ULONG Channel;
    ULONG NumberOfNumaNodes;
    ULONG_PTR ResidentAvailablePages;
    ULONG_PTR CommittedPages;
    ULONG_PTR CommitLimit;
    ULONG_PTR PeakCommitment;
    ULONG_PTR TotalNumberOfPages;
    ULONG_PTR AvailablePages;
    ULONG_PTR ZeroPages;
    ULONG_PTR FreePages;
    ULONG_PTR StandbyPages;
    ULONG_PTR StandbyPageCountByPriority[8]; // since REDSTONE2
    ULONG_PTR RepurposedPagesByPriority[8];
    ULONG_PTR MaximumCommitLimit;
    ULONG_PTR DonatedPagesToPartitions;
    ULONG PartitionId; // since REDSTONE3
} MEMORY_PARTITION_CONFIGURATION_INFORMATION, *PMEMORY_PARTITION_CONFIGURATION_INFORMATION;

// private
typedef struct _MEMORY_PARTITION_TRANSFER_INFORMATION
{
    ULONG_PTR NumberOfPages;
    ULONG NumaNode;
    ULONG Flags;
} MEMORY_PARTITION_TRANSFER_INFORMATION, *PMEMORY_PARTITION_TRANSFER_INFORMATION;

// private
typedef struct _MEMORY_PARTITION_PAGEFILE_INFORMATION
{
    UNICODE_STRING PageFileName;
    LARGE_INTEGER MinimumSize;
    LARGE_INTEGER MaximumSize;
    ULONG Flags;
} MEMORY_PARTITION_PAGEFILE_INFORMATION, *PMEMORY_PARTITION_PAGEFILE_INFORMATION;

// private
typedef struct _MEMORY_PARTITION_PAGE_COMBINE_INFORMATION
{
    HANDLE StopHandle;
    ULONG Flags;
    ULONG_PTR TotalNumberOfPages;
} MEMORY_PARTITION_PAGE_COMBINE_INFORMATION, *PMEMORY_PARTITION_PAGE_COMBINE_INFORMATION;

// private
typedef struct _MEMORY_PARTITION_PAGE_RANGE
{
    ULONG_PTR StartPage;
    ULONG_PTR NumberOfPages;
} MEMORY_PARTITION_PAGE_RANGE, *PMEMORY_PARTITION_PAGE_RANGE;

// private
typedef struct _MEMORY_PARTITION_INITIAL_ADD_INFORMATION
{
    ULONG Flags;
    ULONG NumberOfRanges;
    ULONG_PTR NumberOfPagesAdded;
    MEMORY_PARTITION_PAGE_RANGE PartitionRanges[1];
} MEMORY_PARTITION_INITIAL_ADD_INFORMATION, *PMEMORY_PARTITION_INITIAL_ADD_INFORMATION;

// private
typedef struct _MEMORY_PARTITION_MEMORY_EVENTS_INFORMATION
{
    union
    {    
        struct
        {
            ULONG CommitEvents : 1;
            ULONG Spare : 31;
        };
        ULONG AllFlags;
    } Flags;
    
    ULONG HandleAttributes;
    ULONG DesiredAccess;
    HANDLE LowCommitCondition; // \KernelObjects\LowCommitCondition
    HANDLE HighCommitCondition; // \KernelObjects\HighCommitCondition
    HANDLE MaximumCommitCondition; // \KernelObjects\MaximumCommitCondition
} MEMORY_PARTITION_MEMORY_EVENTS_INFORMATION, *PMEMORY_PARTITION_MEMORY_EVENTS_INFORMATION;

#if (PHNT_MODE != PHNT_MODE_KERNEL)

#if (PHNT_VERSION >= PHNT_THRESHOLD)

NTSYSCALLAPI
NTSTATUS
NTAPI
NtCreatePartition(
    _Out_ PHANDLE PartitionHandle,
    _In_ ACCESS_MASK DesiredAccess,
    _In_opt_ POBJECT_ATTRIBUTES ObjectAttributes,
    _In_ ULONG PreferredNode
    );

NTSYSCALLAPI
NTSTATUS
NTAPI
NtOpenPartition(
    _Out_ PHANDLE PartitionHandle,
    _In_ ACCESS_MASK DesiredAccess,
    _In_ POBJECT_ATTRIBUTES ObjectAttributes
    );

NTSYSCALLAPI
NTSTATUS
NTAPI
NtManagePartition(
    _In_ MEMORY_PARTITION_INFORMATION_CLASS PartitionInformationClass,
    _In_ PVOID PartitionInformation,
    _In_ ULONG PartitionInformationLength
    );

#endif

#endif

// User physical pages

#if (PHNT_MODE != PHNT_MODE_KERNEL)

NTSYSCALLAPI
NTSTATUS
NTAPI
NtMapUserPhysicalPages(
    _In_ PVOID VirtualAddress,
    _In_ ULONG_PTR NumberOfPages,
    _In_reads_opt_(NumberOfPages) PULONG_PTR UserPfnArray
    );

NTSYSCALLAPI
NTSTATUS
NTAPI
NtMapUserPhysicalPagesScatter(
    _In_reads_(NumberOfPages) PVOID *VirtualAddresses,
    _In_ ULONG_PTR NumberOfPages,
    _In_reads_opt_(NumberOfPages) PULONG_PTR UserPfnArray
    );

NTSYSCALLAPI
NTSTATUS
NTAPI
NtAllocateUserPhysicalPages(
    _In_ HANDLE ProcessHandle,
    _Inout_ PULONG_PTR NumberOfPages,
    _Out_writes_(*NumberOfPages) PULONG_PTR UserPfnArray
    );

NTSYSCALLAPI
NTSTATUS
NTAPI
NtFreeUserPhysicalPages(
    _In_ HANDLE ProcessHandle,
    _Inout_ PULONG_PTR NumberOfPages,
    _In_reads_(*NumberOfPages) PULONG_PTR UserPfnArray
    );

#endif

// Sessions

#if (PHNT_MODE != PHNT_MODE_KERNEL)

#if (PHNT_VERSION >= PHNT_VISTA)
NTSYSCALLAPI
NTSTATUS
NTAPI
NtOpenSession(
    _Out_ PHANDLE SessionHandle,
    _In_ ACCESS_MASK DesiredAccess,
    _In_ POBJECT_ATTRIBUTES ObjectAttributes
    );
#endif

#endif

// Misc.

#if (PHNT_MODE != PHNT_MODE_KERNEL)

NTSYSCALLAPI
NTSTATUS
NTAPI
NtGetWriteWatch(
    _In_ HANDLE ProcessHandle,
    _In_ ULONG Flags,
    _In_ PVOID BaseAddress,
    _In_ SIZE_T RegionSize,
    _Out_writes_(*EntriesInUserAddressArray) PVOID *UserAddressArray,
    _Inout_ PULONG_PTR EntriesInUserAddressArray,
    _Out_ PULONG Granularity
    );

NTSYSCALLAPI
NTSTATUS
NTAPI
NtResetWriteWatch(
    _In_ HANDLE ProcessHandle,
    _In_ PVOID BaseAddress,
    _In_ SIZE_T RegionSize
    );

NTSYSCALLAPI
NTSTATUS
NTAPI
NtCreatePagingFile(
    _In_ PUNICODE_STRING PageFileName,
    _In_ PLARGE_INTEGER MinimumSize,
    _In_ PLARGE_INTEGER MaximumSize,
    _In_ ULONG Priority
    );

NTSYSCALLAPI
NTSTATUS
NTAPI
NtFlushInstructionCache(
    _In_ HANDLE ProcessHandle,
    _In_opt_ PVOID BaseAddress,
    _In_ SIZE_T Length
    );

NTSYSCALLAPI
NTSTATUS
NTAPI
NtFlushWriteBuffer(
    VOID
    );

#endif

// Enclave support

NTSYSAPI
NTSTATUS
NTAPI
NtCreateEnclave(
    _In_ HANDLE ProcessHandle,
    _Inout_ PVOID* BaseAddress,
    _In_ ULONG_PTR ZeroBits,
    _In_ SIZE_T Size,
    _In_ SIZE_T InitialCommitment,
    _In_ ULONG EnclaveType,
    _In_reads_bytes_(EnclaveInformationLength) PVOID EnclaveInformation,
    _In_ ULONG EnclaveInformationLength,
    _Out_opt_ PULONG EnclaveError
    );

NTSYSAPI
NTSTATUS
NTAPI
NtLoadEnclaveData(
    _In_ HANDLE ProcessHandle,
    _In_ PVOID BaseAddress,
    _In_reads_bytes_(BufferSize) PVOID Buffer,
    _In_ SIZE_T BufferSize,
    _In_ ULONG Protect,
    _In_reads_bytes_(PageInformationLength) PVOID PageInformation,
    _In_ ULONG PageInformationLength,
    _Out_opt_ PSIZE_T NumberOfBytesWritten,
    _Out_opt_ PULONG EnclaveError
    );

NTSYSAPI
NTSTATUS
NTAPI
NtInitializeEnclave(
    _In_ HANDLE ProcessHandle,
    _In_ PVOID BaseAddress,
    _In_reads_bytes_(EnclaveInformationLength) PVOID EnclaveInformation,
    _In_ ULONG EnclaveInformationLength,
    _Out_opt_ PULONG EnclaveError
    );

// rev
NTSYSAPI
NTSTATUS
NTAPI
NtTerminateEnclave(
    _In_ PVOID BaseAddress,
    _In_ BOOLEAN WaitForThread
    );

#if (PHNT_MODE != PHNT_MODE_KERNEL)
// rev
NTSYSAPI
NTSTATUS
NTAPI
NtCallEnclave(
    _In_ PENCLAVE_ROUTINE Routine,
    _In_ PVOID Parameter,
    _In_ BOOLEAN WaitForThread,
    _Out_opt_ PVOID *ReturnValue
    );
#endif

#endif