1/*	$NetBSD$	*/
2
3/*
4    PE32+ header file
5 */
6#ifndef _PE_H
7#define _PE_H
8
9#define IMAGE_DOS_SIGNATURE                 0x5A4D      // MZ
10#define IMAGE_OS2_SIGNATURE                 0x454E      // NE
11#define IMAGE_OS2_SIGNATURE_LE              0x454C      // LE
12#define IMAGE_NT_SIGNATURE                  0x00004550  // PE00
13#define IMAGE_EDOS_SIGNATURE                0x44454550  // PEED
14
15/*****************************************************************************
16 * The following stuff comes from winnt.h from the ia64sdk, plus the Plabel for
17 * loading EM executables.
18 *****************************************************************************/
19//
20// Intel IA64 specific
21//
22
23#define IMAGE_REL_BASED_IA64_IMM64            9
24#define IMAGE_REL_BASED_IA64_DIR64            10
25
26struct Plabel {
27    UINT64  EntryPoint;
28    UINT64  NewGP;
29};
30
31typedef struct _IMAGE_DOS_HEADER {      // DOS .EXE header
32    UINT16   e_magic;                     // Magic number
33    UINT16   e_cblp;                      // Bytes on last page of file
34    UINT16   e_cp;                        // Pages in file
35    UINT16   e_crlc;                      // Relocations
36    UINT16   e_cparhdr;                   // Size of header in paragraphs
37    UINT16   e_minalloc;                  // Minimum extra paragraphs needed
38    UINT16   e_maxalloc;                  // Maximum extra paragraphs needed
39    UINT16   e_ss;                        // Initial (relative) SS value
40    UINT16   e_sp;                        // Initial SP value
41    UINT16   e_csum;                      // Checksum
42    UINT16   e_ip;                        // Initial IP value
43    UINT16   e_cs;                        // Initial (relative) CS value
44    UINT16   e_lfarlc;                    // File address of relocation table
45    UINT16   e_ovno;                      // Overlay number
46    UINT16   e_res[4];                    // Reserved words
47    UINT16   e_oemid;                     // OEM identifier (for e_oeminfo)
48    UINT16   e_oeminfo;                   // OEM information; e_oemid specific
49    UINT16   e_res2[10];                  // Reserved words
50    UINT32   e_lfanew;                    // File address of new exe header
51  } IMAGE_DOS_HEADER, *PIMAGE_DOS_HEADER;
52
53typedef struct _IMAGE_OS2_HEADER {      // OS/2 .EXE header
54    UINT16   ne_magic;                    // Magic number
55    UINT8    ne_ver;                      // Version number
56    UINT8    ne_rev;                      // Revision number
57    UINT16   ne_enttab;                   // Offset of Entry Table
58    UINT16   ne_cbenttab;                 // Number of bytes in Entry Table
59    UINT32   ne_crc;                      // Checksum of whole file
60    UINT16   ne_flags;                    // Flag UINT16
61    UINT16   ne_autodata;                 // Automatic data segment number
62    UINT16   ne_heap;                     // Initial heap allocation
63    UINT16   ne_stack;                    // Initial stack allocation
64    UINT32   ne_csip;                     // Initial CS:IP setting
65    UINT32   ne_sssp;                     // Initial SS:SP setting
66    UINT16   ne_cseg;                     // Count of file segments
67    UINT16   ne_cmod;                     // Entries in Module Reference Table
68    UINT16   ne_cbnrestab;                // Size of non-resident name table
69    UINT16   ne_segtab;                   // Offset of Segment Table
70    UINT16   ne_rsrctab;                  // Offset of Resource Table
71    UINT16   ne_restab;                   // Offset of resident name table
72    UINT16   ne_modtab;                   // Offset of Module Reference Table
73    UINT16   ne_imptab;                   // Offset of Imported Names Table
74    UINT32   ne_nrestab;                  // Offset of Non-resident Names Table
75    UINT16   ne_cmovent;                  // Count of movable entries
76    UINT16   ne_align;                    // Segment alignment shift count
77    UINT16   ne_cres;                     // Count of resource segments
78    UINT8    ne_exetyp;                   // Target Operating system
79    UINT8    ne_flagsothers;              // Other .EXE flags
80    UINT16   ne_pretthunks;               // offset to return thunks
81    UINT16   ne_psegrefbytes;             // offset to segment ref. bytes
82    UINT16   ne_swaparea;                 // Minimum code swap area size
83    UINT16   ne_expver;                   // Expected Windows version number
84  } IMAGE_OS2_HEADER, *PIMAGE_OS2_HEADER;
85
86//
87// File header format.
88//
89
90typedef struct _IMAGE_FILE_HEADER {
91    UINT16   Machine;
92    UINT16   NumberOfSections;
93    UINT32   TimeDateStamp;
94    UINT32   PointerToSymbolTable;
95    UINT32   NumberOfSymbols;
96    UINT16   SizeOfOptionalHeader;
97    UINT16   Characteristics;
98} IMAGE_FILE_HEADER, *PIMAGE_FILE_HEADER;
99
100#define IMAGE_SIZEOF_FILE_HEADER             20
101
102#define IMAGE_FILE_RELOCS_STRIPPED           0x0001  // Relocation info stripped from file.
103#define IMAGE_FILE_EXECUTABLE_IMAGE          0x0002  // File is executable  (i.e. no unresolved externel references).
104#define IMAGE_FILE_LINE_NUMS_STRIPPED        0x0004  // Line nunbers stripped from file.
105#define IMAGE_FILE_LOCAL_SYMS_STRIPPED       0x0008  // Local symbols stripped from file.
106#define IMAGE_FILE_BYTES_REVERSED_LO         0x0080  // Bytes of machine word are reversed.
107#define IMAGE_FILE_32BIT_MACHINE             0x0100  // 32 bit word machine.
108#define IMAGE_FILE_DEBUG_STRIPPED            0x0200  // Debugging info stripped from file in .DBG file
109#define IMAGE_FILE_SYSTEM                    0x1000  // System File.
110#define IMAGE_FILE_DLL                       0x2000  // File is a DLL.
111#define IMAGE_FILE_BYTES_REVERSED_HI         0x8000  // Bytes of machine word are reversed.
112
113#define IMAGE_FILE_MACHINE_UNKNOWN           0
114#define IMAGE_FILE_MACHINE_I386              0x14c   // Intel 386.
115#define IMAGE_FILE_MACHINE_R3000             0x162   // MIPS little-endian, 0540 big-endian
116#define IMAGE_FILE_MACHINE_R4000             0x166   // MIPS little-endian
117#define IMAGE_FILE_MACHINE_ALPHA             0x184   // Alpha_AXP
118#define IMAGE_FILE_MACHINE_ARMTHUMB_MIXED    0x1c2   // Arm/Thumb
119#define IMAGE_FILE_MACHINE_POWERPC           0x1F0   // IBM PowerPC Little-Endian
120#define IMAGE_FILE_MACHINE_IA64              0x200   // IA-64
121#define IMAGE_FILE_MACHINE_TAHOE             0x7cc   // Intel EM machine
122#define IMAGE_FILE_MACHINE_EBC               0xebc   // EFI Byte Code
123#define IMAGE_FILE_MACHINE_X64               0x8664  // x86_64
124//
125// Directory format.
126//
127
128typedef struct _IMAGE_DATA_DIRECTORY {
129    UINT32   VirtualAddress;
130    UINT32   Size;
131} IMAGE_DATA_DIRECTORY, *PIMAGE_DATA_DIRECTORY;
132
133#define IMAGE_NUMBEROF_DIRECTORY_ENTRIES    16
134
135
136typedef struct _IMAGE_ROM_OPTIONAL_HEADER {
137    UINT16  Magic;
138    UINT8   MajorLinkerVersion;
139    UINT8   MinorLinkerVersion;
140    UINT32  SizeOfCode;
141    UINT32  SizeOfInitializedData;
142    UINT32  SizeOfUninitializedData;
143    UINT32  AddressOfEntryPoint;
144    UINT32  BaseOfCode;
145    UINT32  BaseOfData;
146    UINT32  BaseOfBss;
147    UINT32  GprMask;
148    UINT32  CprMask[4];
149    UINT32  GpValue;
150} IMAGE_ROM_OPTIONAL_HEADER, *PIMAGE_ROM_OPTIONAL_HEADER;
151
152typedef struct _IMAGE_OPTIONAL_HEADER {
153    UINT16      Magic;
154    UINT8       MajorLinkerVersion;
155    UINT8       MinorLinkerVersion;
156    UINT32      SizeOfCode;
157    UINT32      SizeOfInitializedData;
158    UINT32      SizeOfUninitializedData;
159    UINT32      AddressOfEntryPoint;
160    UINT32      BaseOfCode;
161    // UINT32       BaseOfData;
162    UINT64      ImageBase;
163    UINT32      SectionAlignment;
164    UINT32      FileAlignment;
165    UINT16      MajorOperatingSystemVersion;
166    UINT16      MinorOperatingSystemVersion;
167    UINT16      MajorImageVersion;
168    UINT16      MinorImageVersion;
169    UINT16      MajorSubsystemVersion;
170    UINT16      MinorSubsystemVersion;
171    UINT32      Win32VersionValue;
172    UINT32      SizeOfImage;
173    UINT32      SizeOfHeaders;
174    UINT32      CheckSum;
175    UINT16      Subsystem;
176    UINT16      DllCharacteristics;
177    UINT64      SizeOfStackReserve;
178    UINT64      SizeOfStackCommit;
179    UINT64      SizeOfHeapReserve;
180    UINT64      SizeOfHeapCommit;
181    UINT32      LoaderFlags;
182    UINT32      NumberOfRvaAndSizes;
183    IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
184} IMAGE_OPTIONAL_HEADER, *PIMAGE_OPTIONAL_HEADER;
185
186
187#define IMAGE_SIZEOF_ROM_OPTIONAL_HEADER      56
188#define IMAGE_SIZEOF_STD_OPTIONAL_HEADER      28
189#define IMAGE_SIZEOF_NT_OPTIONAL_HEADER      224
190#define IMAGE_SIZEOF_NT_OPTIONAL64_HEADER    244
191
192#define IMAGE_NT_OPTIONAL_HDR_MAGIC        0x10b
193#define IMAGE_NT_OPTIONAL_HDR64_MAGIC      0x20b
194#define IMAGE_ROM_OPTIONAL_HDR_MAGIC       0x107
195
196typedef struct _IMAGE_NT_HEADERS {
197    UINT32 Signature;
198    IMAGE_FILE_HEADER FileHeader;
199    IMAGE_OPTIONAL_HEADER OptionalHeader;
200} IMAGE_NT_HEADERS, *PIMAGE_NT_HEADERS;
201
202typedef struct _IMAGE_ROM_HEADERS {
203    IMAGE_FILE_HEADER FileHeader;
204    IMAGE_ROM_OPTIONAL_HEADER OptionalHeader;
205} IMAGE_ROM_HEADERS, *PIMAGE_ROM_HEADERS;
206
207#define IMAGE_FIRST_SECTION( ntheader ) ((PIMAGE_SECTION_HEADER)        \
208    ((UINT32)ntheader +                                                  \
209     FIELD_OFFSET( IMAGE_NT_HEADERS, OptionalHeader ) +                 \
210     ((PIMAGE_NT_HEADERS)(ntheader))->FileHeader.SizeOfOptionalHeader   \
211    ))
212
213
214// Subsystem Values
215
216#define IMAGE_SUBSYSTEM_UNKNOWN              0   // Unknown subsystem.
217#define IMAGE_SUBSYSTEM_NATIVE               1   // Image doesn't require a subsystem.
218#define IMAGE_SUBSYSTEM_WINDOWS_GUI          2   // Image runs in the Windows GUI subsystem.
219#define IMAGE_SUBSYSTEM_WINDOWS_CUI          3   // Image runs in the Windows character subsystem.
220#define IMAGE_SUBSYSTEM_OS2_CUI              5   // image runs in the OS/2 character subsystem.
221#define IMAGE_SUBSYSTEM_POSIX_CUI            7   // image run  in the Posix character subsystem.
222
223
224// Directory Entries
225
226#define IMAGE_DIRECTORY_ENTRY_EXPORT         0   // Export Directory
227#define IMAGE_DIRECTORY_ENTRY_IMPORT         1   // Import Directory
228#define IMAGE_DIRECTORY_ENTRY_RESOURCE       2   // Resource Directory
229#define IMAGE_DIRECTORY_ENTRY_EXCEPTION      3   // Exception Directory
230#define IMAGE_DIRECTORY_ENTRY_SECURITY       4   // Security Directory
231#define IMAGE_DIRECTORY_ENTRY_BASERELOC      5   // Base Relocation Table
232#define IMAGE_DIRECTORY_ENTRY_DEBUG          6   // Debug Directory
233#define IMAGE_DIRECTORY_ENTRY_COPYRIGHT      7   // Description String
234#define IMAGE_DIRECTORY_ENTRY_GLOBALPTR      8   // Machine Value (MIPS GP)
235#define IMAGE_DIRECTORY_ENTRY_TLS            9   // TLS Directory
236#define IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG   10   // Load Configuration Directory
237
238//
239// Section header format.
240//
241
242#define IMAGE_SIZEOF_SHORT_NAME              8
243
244typedef struct _IMAGE_SECTION_HEADER {
245    UINT8   Name[IMAGE_SIZEOF_SHORT_NAME];
246    union {
247            UINT32   PhysicalAddress;
248            UINT32   VirtualSize;
249    } Misc;
250    UINT32   VirtualAddress;
251    UINT32   SizeOfRawData;
252    UINT32   PointerToRawData;
253    UINT32   PointerToRelocations;
254    UINT32   PointerToLinenumbers;
255    UINT16   NumberOfRelocations;
256    UINT16   NumberOfLinenumbers;
257    UINT32   Characteristics;
258} IMAGE_SECTION_HEADER, *PIMAGE_SECTION_HEADER;
259
260#define IMAGE_SIZEOF_SECTION_HEADER          40
261
262#define IMAGE_SCN_TYPE_NO_PAD                0x00000008  // Reserved.
263
264#define IMAGE_SCN_CNT_CODE                   0x00000020  // Section contains code.
265#define IMAGE_SCN_CNT_INITIALIZED_DATA       0x00000040  // Section contains initialized data.
266#define IMAGE_SCN_CNT_UNINITIALIZED_DATA     0x00000080  // Section contains uninitialized data.
267
268#define IMAGE_SCN_LNK_OTHER                  0x00000100  // Reserved.
269#define IMAGE_SCN_LNK_INFO                   0x00000200  // Section contains comments or some other type of information.
270#define IMAGE_SCN_LNK_REMOVE                 0x00000800  // Section contents will not become part of image.
271#define IMAGE_SCN_LNK_COMDAT                 0x00001000  // Section contents comdat.
272
273#define IMAGE_SCN_ALIGN_1BYTES               0x00100000  //
274#define IMAGE_SCN_ALIGN_2BYTES               0x00200000  //
275#define IMAGE_SCN_ALIGN_4BYTES               0x00300000  //
276#define IMAGE_SCN_ALIGN_8BYTES               0x00400000  //
277#define IMAGE_SCN_ALIGN_16BYTES              0x00500000  // Default alignment if no others are specified.
278#define IMAGE_SCN_ALIGN_32BYTES              0x00600000  //
279#define IMAGE_SCN_ALIGN_64BYTES              0x00700000  //
280
281#define IMAGE_SCN_MEM_DISCARDABLE            0x02000000  // Section can be discarded.
282#define IMAGE_SCN_MEM_NOT_CACHED             0x04000000  // Section is not cachable.
283#define IMAGE_SCN_MEM_NOT_PAGED              0x08000000  // Section is not pageable.
284#define IMAGE_SCN_MEM_SHARED                 0x10000000  // Section is shareable.
285#define IMAGE_SCN_MEM_EXECUTE                0x20000000  // Section is executable.
286#define IMAGE_SCN_MEM_READ                   0x40000000  // Section is readable.
287#define IMAGE_SCN_MEM_WRITE                  0x80000000  // Section is writeable.
288
289//
290// Symbol format.
291//
292
293
294#define IMAGE_SIZEOF_SYMBOL                  18
295
296//
297// Section values.
298//
299// Symbols have a section number of the section in which they are
300// defined. Otherwise, section numbers have the following meanings:
301//
302
303#define IMAGE_SYM_UNDEFINED           (UINT16)0           // Symbol is undefined or is common.
304#define IMAGE_SYM_ABSOLUTE            (UINT16)-1          // Symbol is an absolute value.
305#define IMAGE_SYM_DEBUG               (UINT16)-2          // Symbol is a special debug item.
306
307//
308// Type (fundamental) values.
309//
310
311#define IMAGE_SYM_TYPE_NULL                  0           // no type.
312#define IMAGE_SYM_TYPE_VOID                  1           //
313#define IMAGE_SYM_TYPE_CHAR                  2           // type character.
314#define IMAGE_SYM_TYPE_SHORT                 3           // type short integer.
315#define IMAGE_SYM_TYPE_INT                   4           //
316#define IMAGE_SYM_TYPE_LONG                  5           //
317#define IMAGE_SYM_TYPE_FLOAT                 6           //
318#define IMAGE_SYM_TYPE_DOUBLE                7           //
319#define IMAGE_SYM_TYPE_STRUCT                8           //
320#define IMAGE_SYM_TYPE_UNION                 9           //
321#define IMAGE_SYM_TYPE_ENUM                  10          // enumeration.
322#define IMAGE_SYM_TYPE_MOE                   11          // member of enumeration.
323#define IMAGE_SYM_TYPE_BYTE                  12          //
324#define IMAGE_SYM_TYPE_WORD                  13          //
325#define IMAGE_SYM_TYPE_UINT                  14          //
326#define IMAGE_SYM_TYPE_DWORD                 15          //
327
328//
329// Type (derived) values.
330//
331
332#define IMAGE_SYM_DTYPE_NULL                 0           // no derived type.
333#define IMAGE_SYM_DTYPE_POINTER              1           // pointer.
334#define IMAGE_SYM_DTYPE_FUNCTION             2           // function.
335#define IMAGE_SYM_DTYPE_ARRAY                3           // array.
336
337//
338// Storage classes.
339//
340
341#define IMAGE_SYM_CLASS_END_OF_FUNCTION      (BYTE )-1
342#define IMAGE_SYM_CLASS_NULL                 0
343#define IMAGE_SYM_CLASS_AUTOMATIC            1
344#define IMAGE_SYM_CLASS_EXTERNAL             2
345#define IMAGE_SYM_CLASS_STATIC               3
346#define IMAGE_SYM_CLASS_REGISTER             4
347#define IMAGE_SYM_CLASS_EXTERNAL_DEF         5
348#define IMAGE_SYM_CLASS_LABEL                6
349#define IMAGE_SYM_CLASS_UNDEFINED_LABEL      7
350#define IMAGE_SYM_CLASS_MEMBER_OF_STRUCT     8
351#define IMAGE_SYM_CLASS_ARGUMENT             9
352#define IMAGE_SYM_CLASS_STRUCT_TAG           10
353#define IMAGE_SYM_CLASS_MEMBER_OF_UNION      11
354#define IMAGE_SYM_CLASS_UNION_TAG            12
355#define IMAGE_SYM_CLASS_TYPE_DEFINITION      13
356#define IMAGE_SYM_CLASS_UNDEFINED_STATIC     14
357#define IMAGE_SYM_CLASS_ENUM_TAG             15
358#define IMAGE_SYM_CLASS_MEMBER_OF_ENUM       16
359#define IMAGE_SYM_CLASS_REGISTER_PARAM       17
360#define IMAGE_SYM_CLASS_BIT_FIELD            18
361#define IMAGE_SYM_CLASS_BLOCK                100
362#define IMAGE_SYM_CLASS_FUNCTION             101
363#define IMAGE_SYM_CLASS_END_OF_STRUCT        102
364#define IMAGE_SYM_CLASS_FILE                 103
365// new
366#define IMAGE_SYM_CLASS_SECTION              104
367#define IMAGE_SYM_CLASS_WEAK_EXTERNAL        105
368
369// type packing constants
370
371#define N_BTMASK                            017
372#define N_TMASK                             060
373#define N_TMASK1                            0300
374#define N_TMASK2                            0360
375#define N_BTSHFT                            4
376#define N_TSHIFT                            2
377
378// MACROS
379
380//
381// Communal selection types.
382//
383
384#define IMAGE_COMDAT_SELECT_NODUPLICATES   1
385#define IMAGE_COMDAT_SELECT_ANY            2
386#define IMAGE_COMDAT_SELECT_SAME_SIZE      3
387#define IMAGE_COMDAT_SELECT_EXACT_MATCH    4
388#define IMAGE_COMDAT_SELECT_ASSOCIATIVE    5
389
390#define IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY 1
391#define IMAGE_WEAK_EXTERN_SEARCH_LIBRARY   2
392#define IMAGE_WEAK_EXTERN_SEARCH_ALIAS     3
393
394
395//
396// Relocation format.
397//
398
399typedef struct _IMAGE_RELOCATION {
400    UINT32   VirtualAddress;
401    UINT32   SymbolTableIndex;
402    UINT16   Type;
403} IMAGE_RELOCATION;
404
405#define IMAGE_SIZEOF_RELOCATION              10
406
407//
408// I386 relocation types.
409//
410
411#define IMAGE_REL_I386_ABSOLUTE              0           // Reference is absolute, no relocation is necessary
412#define IMAGE_REL_I386_DIR16                 01          // Direct 16-bit reference to the symbols virtual address
413#define IMAGE_REL_I386_REL16                 02          // PC-relative 16-bit reference to the symbols virtual address
414#define IMAGE_REL_I386_DIR32                 06          // Direct 32-bit reference to the symbols virtual address
415#define IMAGE_REL_I386_DIR32NB               07          // Direct 32-bit reference to the symbols virtual address, base not included
416#define IMAGE_REL_I386_SEG12                 011         // Direct 16-bit reference to the segment-selector bits of a 32-bit virtual address
417#define IMAGE_REL_I386_SECTION               012
418#define IMAGE_REL_I386_SECREL                013
419#define IMAGE_REL_I386_REL32                 024         // PC-relative 32-bit reference to the symbols virtual address
420
421//
422// MIPS relocation types.
423//
424
425#define IMAGE_REL_MIPS_ABSOLUTE              0           // Reference is absolute, no relocation is necessary
426#define IMAGE_REL_MIPS_REFHALF               01
427#define IMAGE_REL_MIPS_REFWORD               02
428#define IMAGE_REL_MIPS_JMPADDR               03
429#define IMAGE_REL_MIPS_REFHI                 04
430#define IMAGE_REL_MIPS_REFLO                 05
431#define IMAGE_REL_MIPS_GPREL                 06
432#define IMAGE_REL_MIPS_LITERAL               07
433#define IMAGE_REL_MIPS_SECTION               012
434#define IMAGE_REL_MIPS_SECREL                013
435#define IMAGE_REL_MIPS_REFWORDNB             042
436#define IMAGE_REL_MIPS_PAIR                  045
437
438//
439// Alpha Relocation types.
440//
441
442#define IMAGE_REL_ALPHA_ABSOLUTE             0x0
443#define IMAGE_REL_ALPHA_REFLONG              0x1
444#define IMAGE_REL_ALPHA_REFQUAD              0x2
445#define IMAGE_REL_ALPHA_GPREL32              0x3
446#define IMAGE_REL_ALPHA_LITERAL              0x4
447#define IMAGE_REL_ALPHA_LITUSE               0x5
448#define IMAGE_REL_ALPHA_GPDISP               0x6
449#define IMAGE_REL_ALPHA_BRADDR               0x7
450#define IMAGE_REL_ALPHA_HINT                 0x8
451#define IMAGE_REL_ALPHA_INLINE_REFLONG       0x9
452#define IMAGE_REL_ALPHA_REFHI                0xA
453#define IMAGE_REL_ALPHA_REFLO                0xB
454#define IMAGE_REL_ALPHA_PAIR                 0xC
455#define IMAGE_REL_ALPHA_MATCH                0xD
456#define IMAGE_REL_ALPHA_SECTION              0xE
457#define IMAGE_REL_ALPHA_SECREL               0xF
458#define IMAGE_REL_ALPHA_REFLONGNB            0x10
459
460//
461// IBM PowerPC relocation types.
462//
463
464#define IMAGE_REL_PPC_ABSOLUTE 0x0000  // NOP
465#define IMAGE_REL_PPC_ADDR64   0x0001  // 64-bit address
466#define IMAGE_REL_PPC_ADDR32   0x0002  // 32-bit address
467#define IMAGE_REL_PPC_ADDR24   0x0003  // 26-bit address, shifted left 2 (branch absolute)
468#define IMAGE_REL_PPC_ADDR16   0x0004  // 16-bit address
469#define IMAGE_REL_PPC_ADDR14   0x0005  // 16-bit address, shifted left 2 (load doubleword)
470#define IMAGE_REL_PPC_REL24    0x0006  // 26-bit PC-relative offset, shifted left 2 (branch relative)
471#define IMAGE_REL_PPC_REL14    0x0007  // 16-bit PC-relative offset, shifted left 2 (br cond relative)
472#define IMAGE_REL_PPC_TOCREL16 0x0008  // 16-bit offset from TOC base
473#define IMAGE_REL_PPC_TOCREL14 0x0009  // 16-bit offset from TOC base, shifted left 2 (load doubleword)
474
475#define IMAGE_REL_PPC_ADDR32NB 0x000A  // 32-bit addr w/o image base
476#define IMAGE_REL_PPC_SECREL   0x000B  // va of containing section (as in an image sectionhdr)
477#define IMAGE_REL_PPC_SECTION  0x000C  // sectionheader number
478#define IMAGE_REL_PPC_IFGLUE   0x000D  // substitute TOC restore instruction iff symbol is glue code
479#define IMAGE_REL_PPC_IMGLUE   0x000E  // symbol is glue code; virtual address is TOC restore instruction
480
481#define IMAGE_REL_PPC_TYPEMASK 0x00FF  // mask to isolate above values in IMAGE_RELOCATION.Type
482
483// Flag bits in IMAGE_RELOCATION.TYPE
484
485#define IMAGE_REL_PPC_NEG      0x0100  // subtract reloc value rather than adding it
486#define IMAGE_REL_PPC_BRTAKEN  0x0200  // fix branch prediction bit to predict branch taken
487#define IMAGE_REL_PPC_BRNTAKEN 0x0400  // fix branch prediction bit to predict branch not taken
488#define IMAGE_REL_PPC_TOCDEFN  0x0800  // toc slot defined in file (or, data in toc)
489
490//
491// Based relocation format.
492//
493
494typedef struct _IMAGE_BASE_RELOCATION {
495    UINT32   VirtualAddress;
496    UINT32   SizeOfBlock;
497//  UINT16    TypeOffset[1];
498} IMAGE_BASE_RELOCATION, *PIMAGE_BASE_RELOCATION;
499
500#define IMAGE_SIZEOF_BASE_RELOCATION         8
501
502//
503// Based relocation types.
504//
505
506#define IMAGE_REL_BASED_ABSOLUTE              0
507#define IMAGE_REL_BASED_HIGH                  1
508#define IMAGE_REL_BASED_LOW                   2
509#define IMAGE_REL_BASED_HIGHLOW               3
510#define IMAGE_REL_BASED_HIGHADJ               4
511#define IMAGE_REL_BASED_MIPS_JMPADDR          5
512#define IMAGE_REL_BASED_IA64_IMM64            9
513#define IMAGE_REL_BASED_DIR64                 10
514
515//
516// Line number format.
517//
518
519typedef struct _IMAGE_LINENUMBER {
520    union {
521        UINT32   SymbolTableIndex;               // Symbol table index of function name if Linenumber is 0.
522        UINT32   VirtualAddress;                 // Virtual address of line number.
523    } Type;
524    UINT16    Linenumber;                         // Line number.
525} IMAGE_LINENUMBER;
526
527#define IMAGE_SIZEOF_LINENUMBER              6
528
529//
530// Archive format.
531//
532
533#define IMAGE_ARCHIVE_START_SIZE             8
534#define IMAGE_ARCHIVE_START                  "!<arch>\n"
535#define IMAGE_ARCHIVE_END                    "`\n"
536#define IMAGE_ARCHIVE_PAD                    "\n"
537#define IMAGE_ARCHIVE_LINKER_MEMBER          "/               "
538#define IMAGE_ARCHIVE_LONGNAMES_MEMBER       "//              "
539
540typedef struct _IMAGE_ARCHIVE_MEMBER_HEADER {
541    UINT8     Name[16];                          // File member name - `/' terminated.
542    UINT8     Date[12];                          // File member date - decimal.
543    UINT8     UserID[6];                         // File member user id - decimal.
544    UINT8     GroupID[6];                        // File member group id - decimal.
545    UINT8     Mode[8];                           // File member mode - octal.
546    UINT8     Size[10];                          // File member size - decimal.
547    UINT8     EndHeader[2];                      // String to end header.
548} IMAGE_ARCHIVE_MEMBER_HEADER, *PIMAGE_ARCHIVE_MEMBER_HEADER;
549
550#define IMAGE_SIZEOF_ARCHIVE_MEMBER_HDR      60
551
552//
553// DLL support.
554//
555
556//
557// Export Format
558//
559
560typedef struct _IMAGE_EXPORT_DIRECTORY {
561    UINT32   Characteristics;
562    UINT32   TimeDateStamp;
563    UINT16   MajorVersion;
564    UINT16   MinorVersion;
565    UINT32   Name;
566    UINT32   Base;
567    UINT32   NumberOfFunctions;
568    UINT32   NumberOfNames;
569    UINT32   AddressOfFunctions;
570    UINT32   AddressOfNames;
571    UINT32   AddressOfNameOrdinals;
572} IMAGE_EXPORT_DIRECTORY, *PIMAGE_EXPORT_DIRECTORY;
573
574//
575// Import Format
576//
577
578typedef struct _IMAGE_IMPORT_BY_NAME {
579    UINT16    Hint;
580    UINT8     Name[1];
581} IMAGE_IMPORT_BY_NAME, *PIMAGE_IMPORT_BY_NAME;
582
583typedef struct _IMAGE_THUNK_DATA {
584    union {
585        UINT32 Function;
586        UINT32 Ordinal;
587        PIMAGE_IMPORT_BY_NAME AddressOfData;
588    } u1;
589} IMAGE_THUNK_DATA, *PIMAGE_THUNK_DATA;
590
591#define IMAGE_ORDINAL_FLAG 0x80000000
592#define IMAGE_SNAP_BY_ORDINAL(Ordinal) ((Ordinal & IMAGE_ORDINAL_FLAG) != 0)
593#define IMAGE_ORDINAL(Ordinal) (Ordinal & 0xffff)
594
595typedef struct _IMAGE_IMPORT_DESCRIPTOR {
596    UINT32   Characteristics;
597    UINT32   TimeDateStamp;
598    UINT32   ForwarderChain;
599    UINT32   Name;
600    PIMAGE_THUNK_DATA FirstThunk;
601} IMAGE_IMPORT_DESCRIPTOR, *PIMAGE_IMPORT_DESCRIPTOR;
602
603#endif
604