#ifndef _NTIMAGE_
#define _NTIMAGE_

//
// Image Formats
//
#define IMAGE_DOS_SIGNATURE                 0x5A4D
#define IMAGE_OS2_SIGNATURE                 0x454E
#define IMAGE_OS2_SIGNATURE_LE              0x454C
#define IMAGE_VXD_SIGNATURE                 0x454C
#define IMAGE_NT_SIGNATURE                  0x00004550

//
// Image architectures
//
#define IMAGE_FILE_MACHINE_AM33       0x1d3
#define IMAGE_FILE_MACHINE_AMD64      0x8664
#define IMAGE_FILE_MACHINE_ARM        0x1c0
#define IMAGE_FILE_MACHINE_ARMV7      0x1c4
#define IMAGE_FILE_MACHINE_EBC        0xebc
#define IMAGE_FILE_MACHINE_I386       0x14c
#define IMAGE_FILE_MACHINE_IA64       0x200
#define IMAGE_FILE_MACHINE_M32R       0x9041
#define IMAGE_FILE_MACHINE_MIPS16     0x266
#define IMAGE_FILE_MACHINE_MIPSFPU    0x366
#define IMAGE_FILE_MACHINE_MIPSFPU16  0x466
#define IMAGE_FILE_MACHINE_POWERPC    0x1f0
#define IMAGE_FILE_MACHINE_POWERPCFP  0x1f1
#define IMAGE_FILE_MACHINE_R4000      0x166
#define IMAGE_FILE_MACHINE_SH3        0x1a2
#define IMAGE_FILE_MACHINE_SH3E       0x01a4
#define IMAGE_FILE_MACHINE_SH3DSP     0x1a3
#define IMAGE_FILE_MACHINE_SH4        0x1a6
#define IMAGE_FILE_MACHINE_SH5        0x1a8
#define IMAGE_FILE_MACHINE_THUMB      0x1c2
#define IMAGE_FILE_MACHINE_WCEMIPSV2  0x169
#define IMAGE_FILE_MACHINE_R3000      0x162
#define IMAGE_FILE_MACHINE_R10000     0x168
#define IMAGE_FILE_MACHINE_ALPHA      0x184
#define IMAGE_FILE_MACHINE_ALPHA64    0x0284
#define IMAGE_FILE_MACHINE_AXP64      IMAGE_FILE_MACHINE_ALPHA64
#define IMAGE_FILE_MACHINE_CEE        0xC0EE
#define IMAGE_FILE_MACHINE_TRICORE    0x0520
#define IMAGE_FILE_MACHINE_CEF        0x0CEF


//
// DOS Image Header Format
//
#include <pshpack2.h>
typedef struct _IMAGE_DOS_HEADER {
    USHORT e_magic;
    USHORT e_cblp;
    USHORT e_cp;
    USHORT e_crlc;
    USHORT e_cparhdr;
    USHORT e_minalloc;
    USHORT e_maxalloc;
    USHORT e_ss;
    USHORT e_sp;
    USHORT e_csum;
    USHORT e_ip;
    USHORT e_cs;
    USHORT e_lfarlc;
    USHORT e_ovno;
    USHORT e_res[4];
    USHORT e_oemid;
    USHORT e_oeminfo;
    USHORT e_res2[10];
    LONG e_lfanew;
} IMAGE_DOS_HEADER, *PIMAGE_DOS_HEADER;
#include <poppack.h>


//
// Export/Import Format
//
#include <pshpack4.h>
typedef struct _IMAGE_EXPORT_DIRECTORY {
    ULONG Characteristics;
    ULONG TimeDateStamp;
    USHORT MajorVersion;
    USHORT MinorVersion;
    ULONG Name;
    ULONG Base;
    ULONG NumberOfFunctions;
    ULONG NumberOfNames;
    ULONG AddressOfFunctions;
    ULONG AddressOfNames;
    ULONG AddressOfNameOrdinals;
} IMAGE_EXPORT_DIRECTORY, *PIMAGE_EXPORT_DIRECTORY;


//
// Resource Data Entry Format
//
typedef struct _IMAGE_RESOURCE_DATA_ENTRY {
    ULONG OffsetToData;
    ULONG Size;
    ULONG CodePage;
    ULONG Reserved;
} IMAGE_RESOURCE_DATA_ENTRY, *PIMAGE_RESOURCE_DATA_ENTRY;


//
// Load Configuration Directory Entry Format
//
typedef struct {
    ULONG   Size;
    ULONG   TimeDateStamp;
    USHORT  MajorVersion;
    USHORT  MinorVersion;
    ULONG   GlobalFlagsClear;
    ULONG   GlobalFlagsSet;
    ULONG   CriticalSectionDefaultTimeout;
    ULONG   DeCommitFreeBlockThreshold;
    ULONG   DeCommitTotalFreeThreshold;
    ULONG   LockPrefixTable;
    ULONG   MaximumAllocationSize;
    ULONG   VirtualMemoryThreshold;
    ULONG   ProcessHeapFlags;
    ULONG   ProcessAffinityMask;
    USHORT  CSDVersion;
    USHORT  Reserved1;
    ULONG   EditList;
    ULONG   SecurityCookie;
    ULONG   SEHandlerTable;
    ULONG   SEHandlerCount;
} IMAGE_LOAD_CONFIG_DIRECTORY32, *PIMAGE_LOAD_CONFIG_DIRECTORY32;

typedef struct {
    ULONG      Size;
    ULONG      TimeDateStamp;
    USHORT     MajorVersion;
    USHORT     MinorVersion;
    ULONG      GlobalFlagsClear;
    ULONG      GlobalFlagsSet;
    ULONG      CriticalSectionDefaultTimeout;
    ULONGLONG  DeCommitFreeBlockThreshold;
    ULONGLONG  DeCommitTotalFreeThreshold;
    ULONGLONG  LockPrefixTable;
    ULONGLONG  MaximumAllocationSize;
    ULONGLONG  VirtualMemoryThreshold;
    ULONGLONG  ProcessAffinityMask;
    ULONG      ProcessHeapFlags;
    USHORT     CSDVersion;
    USHORT     Reserved1;
    ULONGLONG  EditList;
    ULONGLONG  SecurityCookie;
    ULONGLONG  SEHandlerTable;
    ULONGLONG  SEHandlerCount;
} IMAGE_LOAD_CONFIG_DIRECTORY64, *PIMAGE_LOAD_CONFIG_DIRECTORY64;

#ifdef _WIN64
typedef IMAGE_LOAD_CONFIG_DIRECTORY64     IMAGE_LOAD_CONFIG_DIRECTORY;
typedef PIMAGE_LOAD_CONFIG_DIRECTORY64    PIMAGE_LOAD_CONFIG_DIRECTORY;
#else
typedef IMAGE_LOAD_CONFIG_DIRECTORY32     IMAGE_LOAD_CONFIG_DIRECTORY;
typedef PIMAGE_LOAD_CONFIG_DIRECTORY32    PIMAGE_LOAD_CONFIG_DIRECTORY;
#endif


//
// Base Relocation Format
//
typedef struct _IMAGE_BASE_RELOCATION {
	ULONG VirtualAddress;
	ULONG SizeOfBlock;
} IMAGE_BASE_RELOCATION, *PIMAGE_BASE_RELOCATION;


//
// Resource Format
//
typedef struct _IMAGE_RESOURCE_DIRECTORY {
    ULONG Characteristics;
    ULONG TimeDateStamp;
    USHORT MajorVersion;
    USHORT MinorVersion;
    USHORT NumberOfNamedEntries;
    USHORT NumberOfIdEntries;
} IMAGE_RESOURCE_DIRECTORY, *PIMAGE_RESOURCE_DIRECTORY;

typedef struct _IMAGE_RESOURCE_DIRECTORY_STRING {
    USHORT Length;
    CHAR NameString[ANYSIZE_ARRAY];
} IMAGE_RESOURCE_DIRECTORY_STRING, *PIMAGE_RESOURCE_DIRECTORY_STRING;


//
// Section Header Format
//
#define IMAGE_SIZEOF_SHORT_NAME              8
#define IMAGE_SIZEOF_SECTION_HEADER          40

typedef struct _IMAGE_SECTION_HEADER {
    UCHAR Name[IMAGE_SIZEOF_SHORT_NAME];
    union
    {
        ULONG PhysicalAddress;
        ULONG VirtualSize;
    } Misc;
    ULONG VirtualAddress;
    ULONG SizeOfRawData;
    ULONG PointerToRawData;
    ULONG PointerToRelocations;
    ULONG PointerToLinenumbers;
    USHORT NumberOfRelocations;
    USHORT NumberOfLinenumbers;
    ULONG Characteristics;
} IMAGE_SECTION_HEADER, *PIMAGE_SECTION_HEADER;

//
// Section Characteristics
//
#define IMAGE_SCN_CNT_CODE                   0x00000020
#define IMAGE_SCN_CNT_INITIALIZED_DATA       0x00000040
#define IMAGE_SCN_CNT_UNINITIALIZED_DATA     0x00000080

#define IMAGE_SCN_LNK_NRELOC_OVFL            0x01000000
#define IMAGE_SCN_MEM_DISCARDABLE            0x02000000
#define IMAGE_SCN_MEM_NOT_CACHED             0x04000000
#define IMAGE_SCN_MEM_NOT_PAGED              0x08000000
#define IMAGE_SCN_MEM_SHARED                 0x10000000
#define IMAGE_SCN_MEM_EXECUTE                0x20000000
#define IMAGE_SCN_MEM_READ                   0x40000000
#define IMAGE_SCN_MEM_WRITE                  0x80000000


//
// File Header Format
//
#define IMAGE_SIZEOF_FILE_HEADER             20

typedef struct _IMAGE_FILE_HEADER {
    USHORT Machine;
    USHORT NumberOfSections;
    ULONG TimeDateStamp;
    ULONG PointerToSymbolTable;
    ULONG NumberOfSymbols;
    USHORT SizeOfOptionalHeader;
    USHORT Characteristics;
} IMAGE_FILE_HEADER, *PIMAGE_FILE_HEADER;

//
// File Characteristics
//
#define IMAGE_FILE_RELOCS_STRIPPED           0x0001
#define IMAGE_FILE_EXECUTABLE_IMAGE          0x0002
#define IMAGE_FILE_LINE_NUMS_STRIPPED        0x0004
#define IMAGE_FILE_LOCAL_SYMS_STRIPPED       0x0008
#define IMAGE_FILE_AGGRESIVE_WS_TRIM         0x0010
#define IMAGE_FILE_LARGE_ADDRESS_AWARE       0x0020
#define IMAGE_FILE_BYTES_REVERSED_LO         0x0080
#define IMAGE_FILE_32BIT_MACHINE             0x0100
#define IMAGE_FILE_DEBUG_STRIPPED            0x0200
#define IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP   0x0400
#define IMAGE_FILE_NET_RUN_FROM_SWAP         0x0800
#define IMAGE_FILE_SYSTEM                    0x1000
#define IMAGE_FILE_DLL                       0x2000
#define IMAGE_FILE_UP_SYSTEM_ONLY            0x4000
#define IMAGE_FILE_BYTES_REVERSED_HI         0x8000


//
// Directory format.
//
#define IMAGE_NUMBEROF_DIRECTORY_ENTRIES    16

typedef struct _IMAGE_DATA_DIRECTORY {
    ULONG   VirtualAddress;
    ULONG   Size;
} IMAGE_DATA_DIRECTORY, *PIMAGE_DATA_DIRECTORY;


//
// Optional Header Formats
//
typedef struct _IMAGE_OPTIONAL_HEADER {
    USHORT  Magic;
    UCHAR   MajorLinkerVersion;
    UCHAR   MinorLinkerVersion;
    ULONG   SizeOfCode;
    ULONG   SizeOfInitializedData;
    ULONG   SizeOfUninitializedData;
    ULONG   AddressOfEntryPoint;
    ULONG   BaseOfCode;
    ULONG   BaseOfData;
    ULONG   ImageBase;
    ULONG   SectionAlignment;
    ULONG   FileAlignment;
    USHORT  MajorOperatingSystemVersion;
    USHORT  MinorOperatingSystemVersion;
    USHORT  MajorImageVersion;
    USHORT  MinorImageVersion;
    USHORT  MajorSubsystemVersion;
    USHORT  MinorSubsystemVersion;
    ULONG   Win32VersionValue;
    ULONG   SizeOfImage;
    ULONG   SizeOfHeaders;
    ULONG   CheckSum;
    USHORT  Subsystem;
    USHORT  DllCharacteristics;
    ULONG   SizeOfStackReserve;
    ULONG   SizeOfStackCommit;
    ULONG   SizeOfHeapReserve;
    ULONG   SizeOfHeapCommit;
    ULONG   LoaderFlags;
    ULONG   NumberOfRvaAndSizes;
    IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
} IMAGE_OPTIONAL_HEADER32, *PIMAGE_OPTIONAL_HEADER32;

typedef struct _IMAGE_ROM_OPTIONAL_HEADER {
    USHORT Magic;
    UCHAR  MajorLinkerVersion;
    UCHAR  MinorLinkerVersion;
    ULONG  SizeOfCode;
    ULONG  SizeOfInitializedData;
    ULONG  SizeOfUninitializedData;
    ULONG  AddressOfEntryPoint;
    ULONG  BaseOfCode;
    ULONG  BaseOfData;
    ULONG  BaseOfBss;
    ULONG  GprMask;
    ULONG  CprMask[4];
    ULONG  GpValue;
} IMAGE_ROM_OPTIONAL_HEADER, *PIMAGE_ROM_OPTIONAL_HEADER;

typedef struct _IMAGE_OPTIONAL_HEADER64 {
    USHORT      Magic;
    UCHAR       MajorLinkerVersion;
    UCHAR       MinorLinkerVersion;
    ULONG       SizeOfCode;
    ULONG       SizeOfInitializedData;
    ULONG       SizeOfUninitializedData;
    ULONG       AddressOfEntryPoint;
    ULONG       BaseOfCode;
    ULONGLONG   ImageBase;
    ULONG       SectionAlignment;
    ULONG       FileAlignment;
    USHORT      MajorOperatingSystemVersion;
    USHORT      MinorOperatingSystemVersion;
    USHORT      MajorImageVersion;
    USHORT      MinorImageVersion;
    USHORT      MajorSubsystemVersion;
    USHORT      MinorSubsystemVersion;
    ULONG       Win32VersionValue;
    ULONG       SizeOfImage;
    ULONG       SizeOfHeaders;
    ULONG       CheckSum;
    USHORT      Subsystem;
    USHORT      DllCharacteristics;
    ULONGLONG   SizeOfStackReserve;
    ULONGLONG   SizeOfStackCommit;
    ULONGLONG   SizeOfHeapReserve;
    ULONGLONG   SizeOfHeapCommit;
    ULONG       LoaderFlags;
    ULONG       NumberOfRvaAndSizes;
    IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
} IMAGE_OPTIONAL_HEADER64, *PIMAGE_OPTIONAL_HEADER64;

//
// Format Identifier Magics
//
#define IMAGE_NT_OPTIONAL_HDR32_MAGIC      0x10b
#define IMAGE_NT_OPTIONAL_HDR64_MAGIC      0x20b
#define IMAGE_ROM_OPTIONAL_HDR_MAGIC       0x107


#ifdef _WIN64
typedef IMAGE_OPTIONAL_HEADER64             IMAGE_OPTIONAL_HEADER;
typedef PIMAGE_OPTIONAL_HEADER64            PIMAGE_OPTIONAL_HEADER;
#define IMAGE_NT_OPTIONAL_HDR_MAGIC         IMAGE_NT_OPTIONAL_HDR64_MAGIC
#else
typedef IMAGE_OPTIONAL_HEADER32             IMAGE_OPTIONAL_HEADER;
typedef PIMAGE_OPTIONAL_HEADER32            PIMAGE_OPTIONAL_HEADER;
#define IMAGE_NT_OPTIONAL_HDR_MAGIC         IMAGE_NT_OPTIONAL_HDR32_MAGIC
#endif


//
// Nt Header Formats
//
typedef struct _IMAGE_NT_HEADERS64 {
    ULONG Signature;
    IMAGE_FILE_HEADER FileHeader;
    IMAGE_OPTIONAL_HEADER64 OptionalHeader;
} IMAGE_NT_HEADERS64;

typedef struct _IMAGE_NT_HEADERS {
    ULONG Signature;
    IMAGE_FILE_HEADER FileHeader;
    IMAGE_OPTIONAL_HEADER32 OptionalHeader;
} IMAGE_NT_HEADERS32;

#ifdef _WIN64
typedef IMAGE_NT_HEADERS64                  IMAGE_NT_HEADERS;
#else
typedef IMAGE_NT_HEADERS32                  IMAGE_NT_HEADERS;
#endif

#ifndef _NTDDK_

typedef struct _IMAGE_NT_HEADERS *PIMAGE_NT_HEADERS32;
typedef struct _IMAGE_NT_HEADERS64 *PIMAGE_NT_HEADERS64;

#ifdef _WIN64
typedef PIMAGE_NT_HEADERS64                 PIMAGE_NT_HEADERS;
#else
typedef PIMAGE_NT_HEADERS32                 PIMAGE_NT_HEADERS;
#endif

#endif /* _NTDDK_ */

//
// Retreives the first image section header from the Nt Header
//
#define IMAGE_FIRST_SECTION( NtHeader ) ((PIMAGE_SECTION_HEADER)        \
    ((ULONG_PTR)(NtHeader) +                                            \
     FIELD_OFFSET( IMAGE_NT_HEADERS, OptionalHeader ) +                 \
     ((NtHeader))->FileHeader.SizeOfOptionalHeader   \
    ))

//
// Dll Characteristics
//
#define IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE          0x0040
#define IMAGE_DLLCHARACTERISTICS_FORCE_INTEGRITY       0x0080
#define IMAGE_DLLCHARACTERISTICS_NX_COMPAT             0x0100
#define IMAGE_DLLCHARACTERISTICS_NO_ISOLATION          0x0200
#define IMAGE_DLLCHARACTERISTICS_NO_SEH                0x0400
#define IMAGE_DLLCHARACTERISTICS_NO_BIND               0x0800
#define IMAGE_DLLCHARACTERISTICS_WDM_DRIVER            0x2000
#define IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE 0x8000

//
// Loader Flags
//
#define IMAGE_LOADER_FLAGS_COMPLUS       0x00000001
#define IMAGE_LOADER_FLAGS_SYSTEM_GLOBAL 0x01000000

//
// Directory Entry Specifiers
//
#define IMAGE_DIRECTORY_ENTRY_EXPORT          0
#define IMAGE_DIRECTORY_ENTRY_IMPORT          1
#define IMAGE_DIRECTORY_ENTRY_RESOURCE        2
#define IMAGE_DIRECTORY_ENTRY_EXCEPTION       3
#define IMAGE_DIRECTORY_ENTRY_SECURITY        4
#define IMAGE_DIRECTORY_ENTRY_BASERELOC       5
#define IMAGE_DIRECTORY_ENTRY_DEBUG           6
#define IMAGE_DIRECTORY_ENTRY_ARCHITECTURE    7
#define IMAGE_DIRECTORY_ENTRY_GLOBALPTR       8
#define IMAGE_DIRECTORY_ENTRY_TLS             9
#define IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG    10
#define IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT   11
#define IMAGE_DIRECTORY_ENTRY_IAT            12
#define IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT   13
#define IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR 14


//
// Import Formats
//
typedef struct _IMAGE_IMPORT_BY_NAME {
    USHORT  Hint;
    UCHAR   Name[1];
} IMAGE_IMPORT_BY_NAME, *PIMAGE_IMPORT_BY_NAME;

#include <pshpack8.h>
typedef struct _IMAGE_THUNK_DATA64 {
    union {
        ULONGLONG ForwarderString;
        ULONGLONG Function;
        ULONGLONG Ordinal;
        ULONGLONG AddressOfData;
    } u1;
} IMAGE_THUNK_DATA64, *PIMAGE_THUNK_DATA64;
#include <poppack.h>

typedef struct _IMAGE_THUNK_DATA32 {
    union {
        ULONG ForwarderString;
        ULONG Function;
        ULONG Ordinal;
        ULONG AddressOfData;
    } u1;
} IMAGE_THUNK_DATA32, *PIMAGE_THUNK_DATA32;

#define IMAGE_ORDINAL_FLAG64 0x8000000000000000ULL
#define IMAGE_ORDINAL_FLAG32 0x80000000
#define IMAGE_ORDINAL64(Ordinal) (Ordinal & 0xffff)
#define IMAGE_ORDINAL32(Ordinal) (Ordinal & 0xffff)
#define IMAGE_SNAP_BY_ORDINAL64(Ordinal) ((Ordinal & IMAGE_ORDINAL_FLAG64) != 0)
#define IMAGE_SNAP_BY_ORDINAL32(Ordinal) ((Ordinal & IMAGE_ORDINAL_FLAG32) != 0)


//
// Thread Local Storage (TLS)
//
typedef
VOID
(NTAPI *PIMAGE_TLS_CALLBACK) (
    PVOID DllHandle,
    ULONG Reason,
    PVOID Reserved
);

typedef struct _IMAGE_TLS_DIRECTORY64 {
    ULONGLONG   StartAddressOfRawData;
    ULONGLONG   EndAddressOfRawData;
    ULONGLONG   AddressOfIndex;
    ULONGLONG   AddressOfCallBacks;
    ULONG   SizeOfZeroFill;
    ULONG   Characteristics;
} IMAGE_TLS_DIRECTORY64, *PIMAGE_TLS_DIRECTORY64;

typedef struct _IMAGE_TLS_DIRECTORY32 {
    ULONG   StartAddressOfRawData;
    ULONG   EndAddressOfRawData;
    ULONG   AddressOfIndex;
    ULONG   AddressOfCallBacks;
    ULONG   SizeOfZeroFill;
    ULONG   Characteristics;
} IMAGE_TLS_DIRECTORY32, *PIMAGE_TLS_DIRECTORY32;

#ifdef _WIN64
#define IMAGE_ORDINAL_FLAG              IMAGE_ORDINAL_FLAG64
#define IMAGE_ORDINAL(Ordinal)          IMAGE_ORDINAL64(Ordinal)
typedef IMAGE_THUNK_DATA64              IMAGE_THUNK_DATA;
typedef PIMAGE_THUNK_DATA64             PIMAGE_THUNK_DATA;
#define IMAGE_SNAP_BY_ORDINAL(Ordinal)  IMAGE_SNAP_BY_ORDINAL64(Ordinal)
typedef IMAGE_TLS_DIRECTORY64           IMAGE_TLS_DIRECTORY;
typedef PIMAGE_TLS_DIRECTORY64          PIMAGE_TLS_DIRECTORY;
#else
#define IMAGE_ORDINAL_FLAG              IMAGE_ORDINAL_FLAG32
#define IMAGE_ORDINAL(Ordinal)          IMAGE_ORDINAL32(Ordinal)
typedef IMAGE_THUNK_DATA32              IMAGE_THUNK_DATA;
typedef PIMAGE_THUNK_DATA32             PIMAGE_THUNK_DATA;
#define IMAGE_SNAP_BY_ORDINAL(Ordinal)  IMAGE_SNAP_BY_ORDINAL32(Ordinal)
typedef IMAGE_TLS_DIRECTORY32           IMAGE_TLS_DIRECTORY;
typedef PIMAGE_TLS_DIRECTORY32          PIMAGE_TLS_DIRECTORY;
#endif

typedef struct _IMAGE_IMPORT_DESCRIPTOR {
    _ANONYMOUS_UNION union {
        ULONG   Characteristics;
        ULONG   OriginalFirstThunk;
    } DUMMYUNIONNAME;
    ULONG   TimeDateStamp;
    ULONG   ForwarderChain;
    ULONG   Name;
    ULONG   FirstThunk;
} IMAGE_IMPORT_DESCRIPTOR, *PIMAGE_IMPORT_DESCRIPTOR;

#include <poppack.h>


#endif /* _NTIMAGE_ */

