source: bootcd/isolinux/syslinux-6.03/efi32/include/efi/ia32/pe.h @ e16e8f2

Last change on this file since e16e8f2 was e16e8f2, checked in by Edwin Eefting <edwin@datux.nl>, 3 years ago

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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
14typedef 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
36typedef 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
73typedef 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
111typedef 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
122typedef 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
165typedef 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
188typedef 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
194typedef 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
236typedef 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
391typedef 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
486typedef 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
511typedef 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
532typedef 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
552typedef 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
570typedef struct _IMAGE_IMPORT_BY_NAME {
571    UINT16    Hint;
572    UINT8     Name[1];
573} IMAGE_IMPORT_BY_NAME, *PIMAGE_IMPORT_BY_NAME;
574
575typedef 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
587typedef 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
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