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      1 /*
      2     PE32+ header file
      3  */
      4 #ifndef _PE_H
      5 #define _PE_H
      6 
      7 #define IMAGE_DOS_SIGNATURE                 0x5A4D      // MZ
      8 #define IMAGE_OS2_SIGNATURE                 0x454E      // NE
      9 #define IMAGE_OS2_SIGNATURE_LE              0x454C      // LE
     10 #define IMAGE_NT_SIGNATURE                  0x00004550  // PE00
     11 #define IMAGE_EDOS_SIGNATURE                0x44454550  // PEED
     12 
     13 
     14 typedef struct _IMAGE_DOS_HEADER {      // DOS .EXE header
     15     UINT16   e_magic;                     // Magic number
     16     UINT16   e_cblp;                      // Bytes on last page of file
     17     UINT16   e_cp;                        // Pages in file
     18     UINT16   e_crlc;                      // Relocations
     19     UINT16   e_cparhdr;                   // Size of header in paragraphs
     20     UINT16   e_minalloc;                  // Minimum extra paragraphs needed
     21     UINT16   e_maxalloc;                  // Maximum extra paragraphs needed
     22     UINT16   e_ss;                        // Initial (relative) SS value
     23     UINT16   e_sp;                        // Initial SP value
     24     UINT16   e_csum;                      // Checksum
     25     UINT16   e_ip;                        // Initial IP value
     26     UINT16   e_cs;                        // Initial (relative) CS value
     27     UINT16   e_lfarlc;                    // File address of relocation table
     28     UINT16   e_ovno;                      // Overlay number
     29     UINT16   e_res[4];                    // Reserved words
     30     UINT16   e_oemid;                     // OEM identifier (for e_oeminfo)
     31     UINT16   e_oeminfo;                   // OEM information; e_oemid specific
     32     UINT16   e_res2[10];                  // Reserved words
     33     UINT32   e_lfanew;                    // File address of new exe header
     34   } IMAGE_DOS_HEADER, *PIMAGE_DOS_HEADER;
     35 
     36 typedef struct _IMAGE_OS2_HEADER {      // OS/2 .EXE header
     37     UINT16   ne_magic;                    // Magic number
     38     UINT8    ne_ver;                      // Version number
     39     UINT8    ne_rev;                      // Revision number
     40     UINT16   ne_enttab;                   // Offset of Entry Table
     41     UINT16   ne_cbenttab;                 // Number of bytes in Entry Table
     42     UINT32   ne_crc;                      // Checksum of whole file
     43     UINT16   ne_flags;                    // Flag UINT16
     44     UINT16   ne_autodata;                 // Automatic data segment number
     45     UINT16   ne_heap;                     // Initial heap allocation
     46     UINT16   ne_stack;                    // Initial stack allocation
     47     UINT32   ne_csip;                     // Initial CS:IP setting
     48     UINT32   ne_sssp;                     // Initial SS:SP setting
     49     UINT16   ne_cseg;                     // Count of file segments
     50     UINT16   ne_cmod;                     // Entries in Module Reference Table
     51     UINT16   ne_cbnrestab;                // Size of non-resident name table
     52     UINT16   ne_segtab;                   // Offset of Segment Table
     53     UINT16   ne_rsrctab;                  // Offset of Resource Table
     54     UINT16   ne_restab;                   // Offset of resident name table
     55     UINT16   ne_modtab;                   // Offset of Module Reference Table
     56     UINT16   ne_imptab;                   // Offset of Imported Names Table
     57     UINT32   ne_nrestab;                  // Offset of Non-resident Names Table
     58     UINT16   ne_cmovent;                  // Count of movable entries
     59     UINT16   ne_align;                    // Segment alignment shift count
     60     UINT16   ne_cres;                     // Count of resource segments
     61     UINT8    ne_exetyp;                   // Target Operating system
     62     UINT8    ne_flagsothers;              // Other .EXE flags
     63     UINT16   ne_pretthunks;               // offset to return thunks
     64     UINT16   ne_psegrefbytes;             // offset to segment ref. bytes
     65     UINT16   ne_swaparea;                 // Minimum code swap area size
     66     UINT16   ne_expver;                   // Expected Windows version number
     67   } IMAGE_OS2_HEADER, *PIMAGE_OS2_HEADER;
     68 
     69 //
     70 // File header format.
     71 //
     72 
     73 typedef struct _IMAGE_FILE_HEADER {
     74     UINT16   Machine;
     75     UINT16   NumberOfSections;
     76     UINT32   TimeDateStamp;
     77     UINT32   PointerToSymbolTable;
     78     UINT32   NumberOfSymbols;
     79     UINT16   SizeOfOptionalHeader;
     80     UINT16   Characteristics;
     81 } IMAGE_FILE_HEADER, *PIMAGE_FILE_HEADER;
     82 
     83 #define IMAGE_SIZEOF_FILE_HEADER             20
     84 
     85 #define IMAGE_FILE_RELOCS_STRIPPED           0x0001  // Relocation info stripped from file.
     86 #define IMAGE_FILE_EXECUTABLE_IMAGE          0x0002  // File is executable  (i.e. no unresolved externel references).
     87 #define IMAGE_FILE_LINE_NUMS_STRIPPED        0x0004  // Line nunbers stripped from file.
     88 #define IMAGE_FILE_LOCAL_SYMS_STRIPPED       0x0008  // Local symbols stripped from file.
     89 #define IMAGE_FILE_BYTES_REVERSED_LO         0x0080  // Bytes of machine word are reversed.
     90 #define IMAGE_FILE_32BIT_MACHINE             0x0100  // 32 bit word machine.
     91 #define IMAGE_FILE_DEBUG_STRIPPED            0x0200  // Debugging info stripped from file in .DBG file
     92 #define IMAGE_FILE_SYSTEM                    0x1000  // System File.
     93 #define IMAGE_FILE_DLL                       0x2000  // File is a DLL.
     94 #define IMAGE_FILE_BYTES_REVERSED_HI         0x8000  // Bytes of machine word are reversed.
     95 
     96 #define IMAGE_FILE_MACHINE_UNKNOWN           0
     97 #define IMAGE_FILE_MACHINE_I386              0x14c   // Intel 386.
     98 #define IMAGE_FILE_MACHINE_R3000             0x162   // MIPS little-endian, 0540 big-endian
     99 #define IMAGE_FILE_MACHINE_R4000             0x166   // MIPS little-endian
    100 #define IMAGE_FILE_MACHINE_ALPHA             0x184   // Alpha_AXP
    101 #define IMAGE_FILE_MACHINE_ARMTHUMB_MIXED    0x1c2   // Arm/Thumb
    102 #define IMAGE_FILE_MACHINE_POWERPC           0x1F0   // IBM PowerPC Little-Endian
    103 #define IMAGE_FILE_MACHINE_IA64              0x200   // IA-64
    104 #define IMAGE_FILE_MACHINE_TAHOE             0x7cc   // Intel EM machine
    105 #define IMAGE_FILE_MACHINE_EBC               0xebc   // EFI Byte Code
    106 #define IMAGE_FILE_MACHINE_X64               0x8664  // x86_64
    107 //
    108 // Directory format.
    109 //
    110 
    111 typedef struct _IMAGE_DATA_DIRECTORY {
    112     UINT32   VirtualAddress;
    113     UINT32   Size;
    114 } IMAGE_DATA_DIRECTORY, *PIMAGE_DATA_DIRECTORY;
    115 
    116 #define IMAGE_NUMBEROF_DIRECTORY_ENTRIES    16
    117 
    118 //
    119 // Optional header format.
    120 //
    121 
    122 typedef struct _IMAGE_OPTIONAL_HEADER {
    123     //
    124     // Standard fields.
    125     //
    126 
    127     UINT16    Magic;
    128     UINT8     MajorLinkerVersion;
    129     UINT8     MinorLinkerVersion;
    130     UINT32    SizeOfCode;
    131     UINT32    SizeOfInitializedData;
    132     UINT32    SizeOfUninitializedData;
    133     UINT32    AddressOfEntryPoint;
    134     UINT32    BaseOfCode;
    135     UINT32    BaseOfData;
    136 
    137     //
    138     // NT additional fields.
    139     //
    140 
    141     UINT32   ImageBase;
    142     UINT32   SectionAlignment;
    143     UINT32   FileAlignment;
    144     UINT16   MajorOperatingSystemVersion;
    145     UINT16   MinorOperatingSystemVersion;
    146     UINT16   MajorImageVersion;
    147     UINT16   MinorImageVersion;
    148     UINT16   MajorSubsystemVersion;
    149     UINT16   MinorSubsystemVersion;
    150     UINT32   Reserved1;
    151     UINT32   SizeOfImage;
    152     UINT32   SizeOfHeaders;
    153     UINT32   CheckSum;
    154     UINT16   Subsystem;
    155     UINT16   DllCharacteristics;
    156     UINT32   SizeOfStackReserve;
    157     UINT32   SizeOfStackCommit;
    158     UINT32   SizeOfHeapReserve;
    159     UINT32   SizeOfHeapCommit;
    160     UINT32   LoaderFlags;
    161     UINT32   NumberOfRvaAndSizes;
    162     IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
    163 } IMAGE_OPTIONAL_HEADER, *PIMAGE_OPTIONAL_HEADER;
    164 
    165 typedef struct _IMAGE_ROM_OPTIONAL_HEADER {
    166     UINT16  Magic;
    167     UINT8   MajorLinkerVersion;
    168     UINT8   MinorLinkerVersion;
    169     UINT32  SizeOfCode;
    170     UINT32  SizeOfInitializedData;
    171     UINT32  SizeOfUninitializedData;
    172     UINT32  AddressOfEntryPoint;
    173     UINT32  BaseOfCode;
    174     UINT32  BaseOfData;
    175     UINT32  BaseOfBss;
    176     UINT32  GprMask;
    177     UINT32  CprMask[4];
    178     UINT32  GpValue;
    179 } IMAGE_ROM_OPTIONAL_HEADER, *PIMAGE_ROM_OPTIONAL_HEADER;
    180 
    181 #define IMAGE_SIZEOF_ROM_OPTIONAL_HEADER      56
    182 #define IMAGE_SIZEOF_STD_OPTIONAL_HEADER      28
    183 #define IMAGE_SIZEOF_NT_OPTIONAL_HEADER      224
    184 
    185 #define IMAGE_NT_OPTIONAL_HDR_MAGIC        0x10b
    186 #define IMAGE_ROM_OPTIONAL_HDR_MAGIC       0x107
    187 
    188 typedef struct _IMAGE_NT_HEADERS {
    189     UINT32 Signature;
    190     IMAGE_FILE_HEADER FileHeader;
    191     IMAGE_OPTIONAL_HEADER OptionalHeader;
    192 } IMAGE_NT_HEADERS, *PIMAGE_NT_HEADERS;
    193 
    194 typedef struct _IMAGE_ROM_HEADERS {
    195     IMAGE_FILE_HEADER FileHeader;
    196     IMAGE_ROM_OPTIONAL_HEADER OptionalHeader;
    197 } IMAGE_ROM_HEADERS, *PIMAGE_ROM_HEADERS;
    198 
    199 #define IMAGE_FIRST_SECTION( ntheader ) ((PIMAGE_SECTION_HEADER)        \
    200     ((UINT32)ntheader +                                                  \
    201      FIELD_OFFSET( IMAGE_NT_HEADERS, OptionalHeader ) +                 \
    202      ((PIMAGE_NT_HEADERS)(ntheader))->FileHeader.SizeOfOptionalHeader   \
    203     ))
    204 
    205 
    206 // Subsystem Values
    207 
    208 #define IMAGE_SUBSYSTEM_UNKNOWN              0   // Unknown subsystem.
    209 #define IMAGE_SUBSYSTEM_NATIVE               1   // Image doesn't require a subsystem.
    210 #define IMAGE_SUBSYSTEM_WINDOWS_GUI          2   // Image runs in the Windows GUI subsystem.
    211 #define IMAGE_SUBSYSTEM_WINDOWS_CUI          3   // Image runs in the Windows character subsystem.
    212 #define IMAGE_SUBSYSTEM_OS2_CUI              5   // image runs in the OS/2 character subsystem.
    213 #define IMAGE_SUBSYSTEM_POSIX_CUI            7   // image run  in the Posix character subsystem.
    214 
    215 
    216 // Directory Entries
    217 
    218 #define IMAGE_DIRECTORY_ENTRY_EXPORT         0   // Export Directory
    219 #define IMAGE_DIRECTORY_ENTRY_IMPORT         1   // Import Directory
    220 #define IMAGE_DIRECTORY_ENTRY_RESOURCE       2   // Resource Directory
    221 #define IMAGE_DIRECTORY_ENTRY_EXCEPTION      3   // Exception Directory
    222 #define IMAGE_DIRECTORY_ENTRY_SECURITY       4   // Security Directory
    223 #define IMAGE_DIRECTORY_ENTRY_BASERELOC      5   // Base Relocation Table
    224 #define IMAGE_DIRECTORY_ENTRY_DEBUG          6   // Debug Directory
    225 #define IMAGE_DIRECTORY_ENTRY_COPYRIGHT      7   // Description String
    226 #define IMAGE_DIRECTORY_ENTRY_GLOBALPTR      8   // Machine Value (MIPS GP)
    227 #define IMAGE_DIRECTORY_ENTRY_TLS            9   // TLS Directory
    228 #define IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG   10   // Load Configuration Directory
    229 
    230 //
    231 // Section header format.
    232 //
    233 
    234 #define IMAGE_SIZEOF_SHORT_NAME              8
    235 
    236 typedef struct _IMAGE_SECTION_HEADER {
    237     UINT8   Name[IMAGE_SIZEOF_SHORT_NAME];
    238     union {
    239             UINT32   PhysicalAddress;
    240             UINT32   VirtualSize;
    241     } Misc;
    242     UINT32   VirtualAddress;
    243     UINT32   SizeOfRawData;
    244     UINT32   PointerToRawData;
    245     UINT32   PointerToRelocations;
    246     UINT32   PointerToLinenumbers;
    247     UINT16   NumberOfRelocations;
    248     UINT16   NumberOfLinenumbers;
    249     UINT32   Characteristics;
    250 } IMAGE_SECTION_HEADER, *PIMAGE_SECTION_HEADER;
    251 
    252 #define IMAGE_SIZEOF_SECTION_HEADER          40
    253 
    254 #define IMAGE_SCN_TYPE_NO_PAD                0x00000008  // Reserved.
    255 
    256 #define IMAGE_SCN_CNT_CODE                   0x00000020  // Section contains code.
    257 #define IMAGE_SCN_CNT_INITIALIZED_DATA       0x00000040  // Section contains initialized data.
    258 #define IMAGE_SCN_CNT_UNINITIALIZED_DATA     0x00000080  // Section contains uninitialized data.
    259 
    260 #define IMAGE_SCN_LNK_OTHER                  0x00000100  // Reserved.
    261 #define IMAGE_SCN_LNK_INFO                   0x00000200  // Section contains comments or some other type of information.
    262 #define IMAGE_SCN_LNK_REMOVE                 0x00000800  // Section contents will not become part of image.
    263 #define IMAGE_SCN_LNK_COMDAT                 0x00001000  // Section contents comdat.
    264 
    265 #define IMAGE_SCN_ALIGN_1BYTES               0x00100000  //
    266 #define IMAGE_SCN_ALIGN_2BYTES               0x00200000  //
    267 #define IMAGE_SCN_ALIGN_4BYTES               0x00300000  //
    268 #define IMAGE_SCN_ALIGN_8BYTES               0x00400000  //
    269 #define IMAGE_SCN_ALIGN_16BYTES              0x00500000  // Default alignment if no others are specified.
    270 #define IMAGE_SCN_ALIGN_32BYTES              0x00600000  //
    271 #define IMAGE_SCN_ALIGN_64BYTES              0x00700000  //
    272 
    273 #define IMAGE_SCN_MEM_DISCARDABLE            0x02000000  // Section can be discarded.
    274 #define IMAGE_SCN_MEM_NOT_CACHED             0x04000000  // Section is not cachable.
    275 #define IMAGE_SCN_MEM_NOT_PAGED              0x08000000  // Section is not pageable.
    276 #define IMAGE_SCN_MEM_SHARED                 0x10000000  // Section is shareable.
    277 #define IMAGE_SCN_MEM_EXECUTE                0x20000000  // Section is executable.
    278 #define IMAGE_SCN_MEM_READ                   0x40000000  // Section is readable.
    279 #define IMAGE_SCN_MEM_WRITE                  0x80000000  // Section is writeable.
    280 
    281 //
    282 // Symbol format.
    283 //
    284 
    285 
    286 #define IMAGE_SIZEOF_SYMBOL                  18
    287 
    288 //
    289 // Section values.
    290 //
    291 // Symbols have a section number of the section in which they are
    292 // defined. Otherwise, section numbers have the following meanings:
    293 //
    294 
    295 #define IMAGE_SYM_UNDEFINED           (UINT16)0           // Symbol is undefined or is common.
    296 #define IMAGE_SYM_ABSOLUTE            (UINT16)-1          // Symbol is an absolute value.
    297 #define IMAGE_SYM_DEBUG               (UINT16)-2          // Symbol is a special debug item.
    298 
    299 //
    300 // Type (fundamental) values.
    301 //
    302 
    303 #define IMAGE_SYM_TYPE_NULL                  0           // no type.
    304 #define IMAGE_SYM_TYPE_VOID                  1           //
    305 #define IMAGE_SYM_TYPE_CHAR                  2           // type character.
    306 #define IMAGE_SYM_TYPE_SHORT                 3           // type short integer.
    307 #define IMAGE_SYM_TYPE_INT                   4           //
    308 #define IMAGE_SYM_TYPE_LONG                  5           //
    309 #define IMAGE_SYM_TYPE_FLOAT                 6           //
    310 #define IMAGE_SYM_TYPE_DOUBLE                7           //
    311 #define IMAGE_SYM_TYPE_STRUCT                8           //
    312 #define IMAGE_SYM_TYPE_UNION                 9           //
    313 #define IMAGE_SYM_TYPE_ENUM                  10          // enumeration.
    314 #define IMAGE_SYM_TYPE_MOE                   11          // member of enumeration.
    315 #define IMAGE_SYM_TYPE_BYTE                  12          //
    316 #define IMAGE_SYM_TYPE_WORD                  13          //
    317 #define IMAGE_SYM_TYPE_UINT                  14          //
    318 #define IMAGE_SYM_TYPE_DWORD                 15          //
    319 
    320 //
    321 // Type (derived) values.
    322 //
    323 
    324 #define IMAGE_SYM_DTYPE_NULL                 0           // no derived type.
    325 #define IMAGE_SYM_DTYPE_POINTER              1           // pointer.
    326 #define IMAGE_SYM_DTYPE_FUNCTION             2           // function.
    327 #define IMAGE_SYM_DTYPE_ARRAY                3           // array.
    328 
    329 //
    330 // Storage classes.
    331 //
    332 
    333 #define IMAGE_SYM_CLASS_END_OF_FUNCTION      (BYTE )-1
    334 #define IMAGE_SYM_CLASS_NULL                 0
    335 #define IMAGE_SYM_CLASS_AUTOMATIC            1
    336 #define IMAGE_SYM_CLASS_EXTERNAL             2
    337 #define IMAGE_SYM_CLASS_STATIC               3
    338 #define IMAGE_SYM_CLASS_REGISTER             4
    339 #define IMAGE_SYM_CLASS_EXTERNAL_DEF         5
    340 #define IMAGE_SYM_CLASS_LABEL                6
    341 #define IMAGE_SYM_CLASS_UNDEFINED_LABEL      7
    342 #define IMAGE_SYM_CLASS_MEMBER_OF_STRUCT     8
    343 #define IMAGE_SYM_CLASS_ARGUMENT             9
    344 #define IMAGE_SYM_CLASS_STRUCT_TAG           10
    345 #define IMAGE_SYM_CLASS_MEMBER_OF_UNION      11
    346 #define IMAGE_SYM_CLASS_UNION_TAG            12
    347 #define IMAGE_SYM_CLASS_TYPE_DEFINITION      13
    348 #define IMAGE_SYM_CLASS_UNDEFINED_STATIC     14
    349 #define IMAGE_SYM_CLASS_ENUM_TAG             15
    350 #define IMAGE_SYM_CLASS_MEMBER_OF_ENUM       16
    351 #define IMAGE_SYM_CLASS_REGISTER_PARAM       17
    352 #define IMAGE_SYM_CLASS_BIT_FIELD            18
    353 #define IMAGE_SYM_CLASS_BLOCK                100
    354 #define IMAGE_SYM_CLASS_FUNCTION             101
    355 #define IMAGE_SYM_CLASS_END_OF_STRUCT        102
    356 #define IMAGE_SYM_CLASS_FILE                 103
    357 // new
    358 #define IMAGE_SYM_CLASS_SECTION              104
    359 #define IMAGE_SYM_CLASS_WEAK_EXTERNAL        105
    360 
    361 // type packing constants
    362 
    363 #define N_BTMASK                            017
    364 #define N_TMASK                             060
    365 #define N_TMASK1                            0300
    366 #define N_TMASK2                            0360
    367 #define N_BTSHFT                            4
    368 #define N_TSHIFT                            2
    369 
    370 // MACROS
    371 
    372 //
    373 // Communal selection types.
    374 //
    375 
    376 #define IMAGE_COMDAT_SELECT_NODUPLICATES   1
    377 #define IMAGE_COMDAT_SELECT_ANY            2
    378 #define IMAGE_COMDAT_SELECT_SAME_SIZE      3
    379 #define IMAGE_COMDAT_SELECT_EXACT_MATCH    4
    380 #define IMAGE_COMDAT_SELECT_ASSOCIATIVE    5
    381 
    382 #define IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY 1
    383 #define IMAGE_WEAK_EXTERN_SEARCH_LIBRARY   2
    384 #define IMAGE_WEAK_EXTERN_SEARCH_ALIAS     3
    385 
    386 
    387 //
    388 // Relocation format.
    389 //
    390 
    391 typedef struct _IMAGE_RELOCATION {
    392     UINT32   VirtualAddress;
    393     UINT32   SymbolTableIndex;
    394     UINT16    Type;
    395 } IMAGE_RELOCATION;
    396 
    397 #define IMAGE_SIZEOF_RELOCATION              10
    398 
    399 //
    400 // I386 relocation types.
    401 //
    402 
    403 #define IMAGE_REL_I386_ABSOLUTE              0           // Reference is absolute, no relocation is necessary
    404 #define IMAGE_REL_I386_DIR16                 01          // Direct 16-bit reference to the symbols virtual address
    405 #define IMAGE_REL_I386_REL16                 02          // PC-relative 16-bit reference to the symbols virtual address
    406 #define IMAGE_REL_I386_DIR32                 06          // Direct 32-bit reference to the symbols virtual address
    407 #define IMAGE_REL_I386_DIR32NB               07          // Direct 32-bit reference to the symbols virtual address, base not included
    408 #define IMAGE_REL_I386_SEG12                 011         // Direct 16-bit reference to the segment-selector bits of a 32-bit virtual address
    409 #define IMAGE_REL_I386_SECTION               012
    410 #define IMAGE_REL_I386_SECREL                013
    411 #define IMAGE_REL_I386_REL32                 024         // PC-relative 32-bit reference to the symbols virtual address
    412 
    413 //
    414 // MIPS relocation types.
    415 //
    416 
    417 #define IMAGE_REL_MIPS_ABSOLUTE              0           // Reference is absolute, no relocation is necessary
    418 #define IMAGE_REL_MIPS_REFHALF               01
    419 #define IMAGE_REL_MIPS_REFWORD               02
    420 #define IMAGE_REL_MIPS_JMPADDR               03
    421 #define IMAGE_REL_MIPS_REFHI                 04
    422 #define IMAGE_REL_MIPS_REFLO                 05
    423 #define IMAGE_REL_MIPS_GPREL                 06
    424 #define IMAGE_REL_MIPS_LITERAL               07
    425 #define IMAGE_REL_MIPS_SECTION               012
    426 #define IMAGE_REL_MIPS_SECREL                013
    427 #define IMAGE_REL_MIPS_REFWORDNB             042
    428 #define IMAGE_REL_MIPS_PAIR                  045
    429 
    430 //
    431 // Alpha Relocation types.
    432 //
    433 
    434 #define IMAGE_REL_ALPHA_ABSOLUTE             0x0
    435 #define IMAGE_REL_ALPHA_REFLONG              0x1
    436 #define IMAGE_REL_ALPHA_REFQUAD              0x2
    437 #define IMAGE_REL_ALPHA_GPREL32              0x3
    438 #define IMAGE_REL_ALPHA_LITERAL              0x4
    439 #define IMAGE_REL_ALPHA_LITUSE               0x5
    440 #define IMAGE_REL_ALPHA_GPDISP               0x6
    441 #define IMAGE_REL_ALPHA_BRADDR               0x7
    442 #define IMAGE_REL_ALPHA_HINT                 0x8
    443 #define IMAGE_REL_ALPHA_INLINE_REFLONG       0x9
    444 #define IMAGE_REL_ALPHA_REFHI                0xA
    445 #define IMAGE_REL_ALPHA_REFLO                0xB
    446 #define IMAGE_REL_ALPHA_PAIR                 0xC
    447 #define IMAGE_REL_ALPHA_MATCH                0xD
    448 #define IMAGE_REL_ALPHA_SECTION              0xE
    449 #define IMAGE_REL_ALPHA_SECREL               0xF
    450 #define IMAGE_REL_ALPHA_REFLONGNB            0x10
    451 
    452 //
    453 // IBM PowerPC relocation types.
    454 //
    455 
    456 #define IMAGE_REL_PPC_ABSOLUTE 0x0000  // NOP
    457 #define IMAGE_REL_PPC_ADDR64   0x0001  // 64-bit address
    458 #define IMAGE_REL_PPC_ADDR32   0x0002  // 32-bit address
    459 #define IMAGE_REL_PPC_ADDR24   0x0003  // 26-bit address, shifted left 2 (branch absolute)
    460 #define IMAGE_REL_PPC_ADDR16   0x0004  // 16-bit address
    461 #define IMAGE_REL_PPC_ADDR14   0x0005  // 16-bit address, shifted left 2 (load doubleword)
    462 #define IMAGE_REL_PPC_REL24    0x0006  // 26-bit PC-relative offset, shifted left 2 (branch relative)
    463 #define IMAGE_REL_PPC_REL14    0x0007  // 16-bit PC-relative offset, shifted left 2 (br cond relative)
    464 #define IMAGE_REL_PPC_TOCREL16 0x0008  // 16-bit offset from TOC base
    465 #define IMAGE_REL_PPC_TOCREL14 0x0009  // 16-bit offset from TOC base, shifted left 2 (load doubleword)
    466 
    467 #define IMAGE_REL_PPC_ADDR32NB 0x000A  // 32-bit addr w/o image base
    468 #define IMAGE_REL_PPC_SECREL   0x000B  // va of containing section (as in an image sectionhdr)
    469 #define IMAGE_REL_PPC_SECTION  0x000C  // sectionheader number
    470 #define IMAGE_REL_PPC_IFGLUE   0x000D  // substitute TOC restore instruction iff symbol is glue code
    471 #define IMAGE_REL_PPC_IMGLUE   0x000E  // symbol is glue code; virtual address is TOC restore instruction
    472 
    473 #define IMAGE_REL_PPC_TYPEMASK 0x00FF  // mask to isolate above values in IMAGE_RELOCATION.Type
    474 
    475 // Flag bits in IMAGE_RELOCATION.TYPE
    476 
    477 #define IMAGE_REL_PPC_NEG      0x0100  // subtract reloc value rather than adding it
    478 #define IMAGE_REL_PPC_BRTAKEN  0x0200  // fix branch prediction bit to predict branch taken
    479 #define IMAGE_REL_PPC_BRNTAKEN 0x0400  // fix branch prediction bit to predict branch not taken
    480 #define IMAGE_REL_PPC_TOCDEFN  0x0800  // toc slot defined in file (or, data in toc)
    481 
    482 //
    483 // Based relocation format.
    484 //
    485 
    486 typedef struct _IMAGE_BASE_RELOCATION {
    487     UINT32   VirtualAddress;
    488     UINT32   SizeOfBlock;
    489 //  UINT16    TypeOffset[1];
    490 } IMAGE_BASE_RELOCATION, *PIMAGE_BASE_RELOCATION;
    491 
    492 #define IMAGE_SIZEOF_BASE_RELOCATION         8
    493 
    494 //
    495 // Based relocation types.
    496 //
    497 
    498 #define IMAGE_REL_BASED_ABSOLUTE              0
    499 #define IMAGE_REL_BASED_HIGH                  1
    500 #define IMAGE_REL_BASED_LOW                   2
    501 #define IMAGE_REL_BASED_HIGHLOW               3
    502 #define IMAGE_REL_BASED_HIGHADJ               4
    503 #define IMAGE_REL_BASED_MIPS_JMPADDR          5
    504 #define IMAGE_REL_BASED_IA64_IMM64            9
    505 #define IMAGE_REL_BASED_DIR64                 10
    506 
    507 //
    508 // Line number format.
    509 //
    510 
    511 typedef struct _IMAGE_LINENUMBER {
    512     union {
    513         UINT32   SymbolTableIndex;               // Symbol table index of function name if Linenumber is 0.
    514         UINT32   VirtualAddress;                 // Virtual address of line number.
    515     } Type;
    516     UINT16    Linenumber;                         // Line number.
    517 } IMAGE_LINENUMBER;
    518 
    519 #define IMAGE_SIZEOF_LINENUMBER              6
    520 
    521 //
    522 // Archive format.
    523 //
    524 
    525 #define IMAGE_ARCHIVE_START_SIZE             8
    526 #define IMAGE_ARCHIVE_START                  "!<arch>\n"
    527 #define IMAGE_ARCHIVE_END                    "`\n"
    528 #define IMAGE_ARCHIVE_PAD                    "\n"
    529 #define IMAGE_ARCHIVE_LINKER_MEMBER          "/               "
    530 #define IMAGE_ARCHIVE_LONGNAMES_MEMBER       "//              "
    531 
    532 typedef struct _IMAGE_ARCHIVE_MEMBER_HEADER {
    533     UINT8     Name[16];                          // File member name - `/' terminated.
    534     UINT8     Date[12];                          // File member date - decimal.
    535     UINT8     UserID[6];                         // File member user id - decimal.
    536     UINT8     GroupID[6];                        // File member group id - decimal.
    537     UINT8     Mode[8];                           // File member mode - octal.
    538     UINT8     Size[10];                          // File member size - decimal.
    539     UINT8     EndHeader[2];                      // String to end header.
    540 } IMAGE_ARCHIVE_MEMBER_HEADER, *PIMAGE_ARCHIVE_MEMBER_HEADER;
    541 
    542 #define IMAGE_SIZEOF_ARCHIVE_MEMBER_HDR      60
    543 
    544 //
    545 // DLL support.
    546 //
    547 
    548 //
    549 // Export Format
    550 //
    551 
    552 typedef struct _IMAGE_EXPORT_DIRECTORY {
    553     UINT32   Characteristics;
    554     UINT32   TimeDateStamp;
    555     UINT16   MajorVersion;
    556     UINT16   MinorVersion;
    557     UINT32   Name;
    558     UINT32   Base;
    559     UINT32   NumberOfFunctions;
    560     UINT32   NumberOfNames;
    561     UINT32   *AddressOfFunctions;
    562     UINT32   *AddressOfNames;
    563     UINT32   *AddressOfNameOrdinals;
    564 } IMAGE_EXPORT_DIRECTORY, *PIMAGE_EXPORT_DIRECTORY;
    565 
    566 //
    567 // Import Format
    568 //
    569 
    570 typedef struct _IMAGE_IMPORT_BY_NAME {
    571     UINT16    Hint;
    572     UINT8     Name[1];
    573 } IMAGE_IMPORT_BY_NAME, *PIMAGE_IMPORT_BY_NAME;
    574 
    575 typedef struct _IMAGE_THUNK_DATA {
    576     union {
    577         UINT32 Function;
    578         UINT32 Ordinal;
    579         PIMAGE_IMPORT_BY_NAME AddressOfData;
    580     } u1;
    581 } IMAGE_THUNK_DATA, *PIMAGE_THUNK_DATA;
    582 
    583 #define IMAGE_ORDINAL_FLAG 0x80000000
    584 #define IMAGE_SNAP_BY_ORDINAL(Ordinal) ((Ordinal & IMAGE_ORDINAL_FLAG) != 0)
    585 #define IMAGE_ORDINAL(Ordinal) (Ordinal & 0xffff)
    586 
    587 typedef struct _IMAGE_IMPORT_DESCRIPTOR {
    588     UINT32   Characteristics;
    589     UINT32   TimeDateStamp;
    590     UINT32   ForwarderChain;
    591     UINT32   Name;
    592     PIMAGE_THUNK_DATA FirstThunk;
    593 } IMAGE_IMPORT_DESCRIPTOR, *PIMAGE_IMPORT_DESCRIPTOR;
    594 
    595 #endif
    596