xref: /netbsd-src/sys/external/bsd/gnu-efi/dist/inc/ia32/pe.h (revision b2c829d73acfa2ef1ac1967460ebcec8f439b096)
1 /*	$NetBSD: pe.h,v 1.1.1.1 2014/04/01 16:16:08 jakllsch Exp $	*/
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 typedef struct _IMAGE_DOS_HEADER {      // DOS .EXE header
17     UINT16   e_magic;                     // Magic number
18     UINT16   e_cblp;                      // Bytes on last page of file
19     UINT16   e_cp;                        // Pages in file
20     UINT16   e_crlc;                      // Relocations
21     UINT16   e_cparhdr;                   // Size of header in paragraphs
22     UINT16   e_minalloc;                  // Minimum extra paragraphs needed
23     UINT16   e_maxalloc;                  // Maximum extra paragraphs needed
24     UINT16   e_ss;                        // Initial (relative) SS value
25     UINT16   e_sp;                        // Initial SP value
26     UINT16   e_csum;                      // Checksum
27     UINT16   e_ip;                        // Initial IP value
28     UINT16   e_cs;                        // Initial (relative) CS value
29     UINT16   e_lfarlc;                    // File address of relocation table
30     UINT16   e_ovno;                      // Overlay number
31     UINT16   e_res[4];                    // Reserved words
32     UINT16   e_oemid;                     // OEM identifier (for e_oeminfo)
33     UINT16   e_oeminfo;                   // OEM information; e_oemid specific
34     UINT16   e_res2[10];                  // Reserved words
35     UINT32   e_lfanew;                    // File address of new exe header
36   } IMAGE_DOS_HEADER, *PIMAGE_DOS_HEADER;
37 
38 typedef struct _IMAGE_OS2_HEADER {      // OS/2 .EXE header
39     UINT16   ne_magic;                    // Magic number
40     UINT8    ne_ver;                      // Version number
41     UINT8    ne_rev;                      // Revision number
42     UINT16   ne_enttab;                   // Offset of Entry Table
43     UINT16   ne_cbenttab;                 // Number of bytes in Entry Table
44     UINT32   ne_crc;                      // Checksum of whole file
45     UINT16   ne_flags;                    // Flag UINT16
46     UINT16   ne_autodata;                 // Automatic data segment number
47     UINT16   ne_heap;                     // Initial heap allocation
48     UINT16   ne_stack;                    // Initial stack allocation
49     UINT32   ne_csip;                     // Initial CS:IP setting
50     UINT32   ne_sssp;                     // Initial SS:SP setting
51     UINT16   ne_cseg;                     // Count of file segments
52     UINT16   ne_cmod;                     // Entries in Module Reference Table
53     UINT16   ne_cbnrestab;                // Size of non-resident name table
54     UINT16   ne_segtab;                   // Offset of Segment Table
55     UINT16   ne_rsrctab;                  // Offset of Resource Table
56     UINT16   ne_restab;                   // Offset of resident name table
57     UINT16   ne_modtab;                   // Offset of Module Reference Table
58     UINT16   ne_imptab;                   // Offset of Imported Names Table
59     UINT32   ne_nrestab;                  // Offset of Non-resident Names Table
60     UINT16   ne_cmovent;                  // Count of movable entries
61     UINT16   ne_align;                    // Segment alignment shift count
62     UINT16   ne_cres;                     // Count of resource segments
63     UINT8    ne_exetyp;                   // Target Operating system
64     UINT8    ne_flagsothers;              // Other .EXE flags
65     UINT16   ne_pretthunks;               // offset to return thunks
66     UINT16   ne_psegrefbytes;             // offset to segment ref. bytes
67     UINT16   ne_swaparea;                 // Minimum code swap area size
68     UINT16   ne_expver;                   // Expected Windows version number
69   } IMAGE_OS2_HEADER, *PIMAGE_OS2_HEADER;
70 
71 //
72 // File header format.
73 //
74 
75 typedef struct _IMAGE_FILE_HEADER {
76     UINT16   Machine;
77     UINT16   NumberOfSections;
78     UINT32   TimeDateStamp;
79     UINT32   PointerToSymbolTable;
80     UINT32   NumberOfSymbols;
81     UINT16   SizeOfOptionalHeader;
82     UINT16   Characteristics;
83 } IMAGE_FILE_HEADER, *PIMAGE_FILE_HEADER;
84 
85 #define IMAGE_SIZEOF_FILE_HEADER             20
86 
87 #define IMAGE_FILE_RELOCS_STRIPPED           0x0001  // Relocation info stripped from file.
88 #define IMAGE_FILE_EXECUTABLE_IMAGE          0x0002  // File is executable  (i.e. no unresolved externel references).
89 #define IMAGE_FILE_LINE_NUMS_STRIPPED        0x0004  // Line nunbers stripped from file.
90 #define IMAGE_FILE_LOCAL_SYMS_STRIPPED       0x0008  // Local symbols stripped from file.
91 #define IMAGE_FILE_BYTES_REVERSED_LO         0x0080  // Bytes of machine word are reversed.
92 #define IMAGE_FILE_32BIT_MACHINE             0x0100  // 32 bit word machine.
93 #define IMAGE_FILE_DEBUG_STRIPPED            0x0200  // Debugging info stripped from file in .DBG file
94 #define IMAGE_FILE_SYSTEM                    0x1000  // System File.
95 #define IMAGE_FILE_DLL                       0x2000  // File is a DLL.
96 #define IMAGE_FILE_BYTES_REVERSED_HI         0x8000  // Bytes of machine word are reversed.
97 
98 #define IMAGE_FILE_MACHINE_UNKNOWN           0
99 #define IMAGE_FILE_MACHINE_I386              0x14c   // Intel 386.
100 #define IMAGE_FILE_MACHINE_R3000             0x162   // MIPS little-endian, 0540 big-endian
101 #define IMAGE_FILE_MACHINE_R4000             0x166   // MIPS little-endian
102 #define IMAGE_FILE_MACHINE_ALPHA             0x184   // Alpha_AXP
103 #define IMAGE_FILE_MACHINE_ARMTHUMB_MIXED    0x1c2   // Arm/Thumb
104 #define IMAGE_FILE_MACHINE_POWERPC           0x1F0   // IBM PowerPC Little-Endian
105 #define IMAGE_FILE_MACHINE_IA64              0x200   // IA-64
106 #define IMAGE_FILE_MACHINE_TAHOE             0x7cc   // Intel EM machine
107 #define IMAGE_FILE_MACHINE_EBC               0xebc   // EFI Byte Code
108 #define IMAGE_FILE_MACHINE_X64               0x8664  // x86_64
109 //
110 // Directory format.
111 //
112 
113 typedef struct _IMAGE_DATA_DIRECTORY {
114     UINT32   VirtualAddress;
115     UINT32   Size;
116 } IMAGE_DATA_DIRECTORY, *PIMAGE_DATA_DIRECTORY;
117 
118 #define IMAGE_NUMBEROF_DIRECTORY_ENTRIES    16
119 
120 //
121 // Optional header format.
122 //
123 
124 typedef struct _IMAGE_OPTIONAL_HEADER {
125     //
126     // Standard fields.
127     //
128 
129     UINT16    Magic;
130     UINT8     MajorLinkerVersion;
131     UINT8     MinorLinkerVersion;
132     UINT32    SizeOfCode;
133     UINT32    SizeOfInitializedData;
134     UINT32    SizeOfUninitializedData;
135     UINT32    AddressOfEntryPoint;
136     UINT32    BaseOfCode;
137     UINT32    BaseOfData;
138 
139     //
140     // NT additional fields.
141     //
142 
143     UINT32   ImageBase;
144     UINT32   SectionAlignment;
145     UINT32   FileAlignment;
146     UINT16   MajorOperatingSystemVersion;
147     UINT16   MinorOperatingSystemVersion;
148     UINT16   MajorImageVersion;
149     UINT16   MinorImageVersion;
150     UINT16   MajorSubsystemVersion;
151     UINT16   MinorSubsystemVersion;
152     UINT32   Reserved1;
153     UINT32   SizeOfImage;
154     UINT32   SizeOfHeaders;
155     UINT32   CheckSum;
156     UINT16   Subsystem;
157     UINT16   DllCharacteristics;
158     UINT32   SizeOfStackReserve;
159     UINT32   SizeOfStackCommit;
160     UINT32   SizeOfHeapReserve;
161     UINT32   SizeOfHeapCommit;
162     UINT32   LoaderFlags;
163     UINT32   NumberOfRvaAndSizes;
164     IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
165 } IMAGE_OPTIONAL_HEADER, *PIMAGE_OPTIONAL_HEADER;
166 
167 typedef struct _IMAGE_ROM_OPTIONAL_HEADER {
168     UINT16  Magic;
169     UINT8   MajorLinkerVersion;
170     UINT8   MinorLinkerVersion;
171     UINT32  SizeOfCode;
172     UINT32  SizeOfInitializedData;
173     UINT32  SizeOfUninitializedData;
174     UINT32  AddressOfEntryPoint;
175     UINT32  BaseOfCode;
176     UINT32  BaseOfData;
177     UINT32  BaseOfBss;
178     UINT32  GprMask;
179     UINT32  CprMask[4];
180     UINT32  GpValue;
181 } IMAGE_ROM_OPTIONAL_HEADER, *PIMAGE_ROM_OPTIONAL_HEADER;
182 
183 #define IMAGE_SIZEOF_ROM_OPTIONAL_HEADER      56
184 #define IMAGE_SIZEOF_STD_OPTIONAL_HEADER      28
185 #define IMAGE_SIZEOF_NT_OPTIONAL_HEADER      224
186 
187 #define IMAGE_NT_OPTIONAL_HDR_MAGIC        0x10b
188 #define IMAGE_ROM_OPTIONAL_HDR_MAGIC       0x107
189 
190 typedef struct _IMAGE_NT_HEADERS {
191     UINT32 Signature;
192     IMAGE_FILE_HEADER FileHeader;
193     IMAGE_OPTIONAL_HEADER OptionalHeader;
194 } IMAGE_NT_HEADERS, *PIMAGE_NT_HEADERS;
195 
196 typedef struct _IMAGE_ROM_HEADERS {
197     IMAGE_FILE_HEADER FileHeader;
198     IMAGE_ROM_OPTIONAL_HEADER OptionalHeader;
199 } IMAGE_ROM_HEADERS, *PIMAGE_ROM_HEADERS;
200 
201 #define IMAGE_FIRST_SECTION( ntheader ) ((PIMAGE_SECTION_HEADER)        \
202     ((UINT32)ntheader +                                                  \
203      FIELD_OFFSET( IMAGE_NT_HEADERS, OptionalHeader ) +                 \
204      ((PIMAGE_NT_HEADERS)(ntheader))->FileHeader.SizeOfOptionalHeader   \
205     ))
206 
207 
208 // Subsystem Values
209 
210 #define IMAGE_SUBSYSTEM_UNKNOWN              0   // Unknown subsystem.
211 #define IMAGE_SUBSYSTEM_NATIVE               1   // Image doesn't require a subsystem.
212 #define IMAGE_SUBSYSTEM_WINDOWS_GUI          2   // Image runs in the Windows GUI subsystem.
213 #define IMAGE_SUBSYSTEM_WINDOWS_CUI          3   // Image runs in the Windows character subsystem.
214 #define IMAGE_SUBSYSTEM_OS2_CUI              5   // image runs in the OS/2 character subsystem.
215 #define IMAGE_SUBSYSTEM_POSIX_CUI            7   // image run  in the Posix character subsystem.
216 
217 
218 // Directory Entries
219 
220 #define IMAGE_DIRECTORY_ENTRY_EXPORT         0   // Export Directory
221 #define IMAGE_DIRECTORY_ENTRY_IMPORT         1   // Import Directory
222 #define IMAGE_DIRECTORY_ENTRY_RESOURCE       2   // Resource Directory
223 #define IMAGE_DIRECTORY_ENTRY_EXCEPTION      3   // Exception Directory
224 #define IMAGE_DIRECTORY_ENTRY_SECURITY       4   // Security Directory
225 #define IMAGE_DIRECTORY_ENTRY_BASERELOC      5   // Base Relocation Table
226 #define IMAGE_DIRECTORY_ENTRY_DEBUG          6   // Debug Directory
227 #define IMAGE_DIRECTORY_ENTRY_COPYRIGHT      7   // Description String
228 #define IMAGE_DIRECTORY_ENTRY_GLOBALPTR      8   // Machine Value (MIPS GP)
229 #define IMAGE_DIRECTORY_ENTRY_TLS            9   // TLS Directory
230 #define IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG   10   // Load Configuration Directory
231 
232 //
233 // Section header format.
234 //
235 
236 #define IMAGE_SIZEOF_SHORT_NAME              8
237 
238 typedef struct _IMAGE_SECTION_HEADER {
239     UINT8   Name[IMAGE_SIZEOF_SHORT_NAME];
240     union {
241             UINT32   PhysicalAddress;
242             UINT32   VirtualSize;
243     } Misc;
244     UINT32   VirtualAddress;
245     UINT32   SizeOfRawData;
246     UINT32   PointerToRawData;
247     UINT32   PointerToRelocations;
248     UINT32   PointerToLinenumbers;
249     UINT16   NumberOfRelocations;
250     UINT16   NumberOfLinenumbers;
251     UINT32   Characteristics;
252 } IMAGE_SECTION_HEADER, *PIMAGE_SECTION_HEADER;
253 
254 #define IMAGE_SIZEOF_SECTION_HEADER          40
255 
256 #define IMAGE_SCN_TYPE_NO_PAD                0x00000008  // Reserved.
257 
258 #define IMAGE_SCN_CNT_CODE                   0x00000020  // Section contains code.
259 #define IMAGE_SCN_CNT_INITIALIZED_DATA       0x00000040  // Section contains initialized data.
260 #define IMAGE_SCN_CNT_UNINITIALIZED_DATA     0x00000080  // Section contains uninitialized data.
261 
262 #define IMAGE_SCN_LNK_OTHER                  0x00000100  // Reserved.
263 #define IMAGE_SCN_LNK_INFO                   0x00000200  // Section contains comments or some other type of information.
264 #define IMAGE_SCN_LNK_REMOVE                 0x00000800  // Section contents will not become part of image.
265 #define IMAGE_SCN_LNK_COMDAT                 0x00001000  // Section contents comdat.
266 
267 #define IMAGE_SCN_ALIGN_1BYTES               0x00100000  //
268 #define IMAGE_SCN_ALIGN_2BYTES               0x00200000  //
269 #define IMAGE_SCN_ALIGN_4BYTES               0x00300000  //
270 #define IMAGE_SCN_ALIGN_8BYTES               0x00400000  //
271 #define IMAGE_SCN_ALIGN_16BYTES              0x00500000  // Default alignment if no others are specified.
272 #define IMAGE_SCN_ALIGN_32BYTES              0x00600000  //
273 #define IMAGE_SCN_ALIGN_64BYTES              0x00700000  //
274 
275 #define IMAGE_SCN_MEM_DISCARDABLE            0x02000000  // Section can be discarded.
276 #define IMAGE_SCN_MEM_NOT_CACHED             0x04000000  // Section is not cachable.
277 #define IMAGE_SCN_MEM_NOT_PAGED              0x08000000  // Section is not pageable.
278 #define IMAGE_SCN_MEM_SHARED                 0x10000000  // Section is shareable.
279 #define IMAGE_SCN_MEM_EXECUTE                0x20000000  // Section is executable.
280 #define IMAGE_SCN_MEM_READ                   0x40000000  // Section is readable.
281 #define IMAGE_SCN_MEM_WRITE                  0x80000000  // Section is writeable.
282 
283 //
284 // Symbol format.
285 //
286 
287 
288 #define IMAGE_SIZEOF_SYMBOL                  18
289 
290 //
291 // Section values.
292 //
293 // Symbols have a section number of the section in which they are
294 // defined. Otherwise, section numbers have the following meanings:
295 //
296 
297 #define IMAGE_SYM_UNDEFINED           (UINT16)0           // Symbol is undefined or is common.
298 #define IMAGE_SYM_ABSOLUTE            (UINT16)-1          // Symbol is an absolute value.
299 #define IMAGE_SYM_DEBUG               (UINT16)-2          // Symbol is a special debug item.
300 
301 //
302 // Type (fundamental) values.
303 //
304 
305 #define IMAGE_SYM_TYPE_NULL                  0           // no type.
306 #define IMAGE_SYM_TYPE_VOID                  1           //
307 #define IMAGE_SYM_TYPE_CHAR                  2           // type character.
308 #define IMAGE_SYM_TYPE_SHORT                 3           // type short integer.
309 #define IMAGE_SYM_TYPE_INT                   4           //
310 #define IMAGE_SYM_TYPE_LONG                  5           //
311 #define IMAGE_SYM_TYPE_FLOAT                 6           //
312 #define IMAGE_SYM_TYPE_DOUBLE                7           //
313 #define IMAGE_SYM_TYPE_STRUCT                8           //
314 #define IMAGE_SYM_TYPE_UNION                 9           //
315 #define IMAGE_SYM_TYPE_ENUM                  10          // enumeration.
316 #define IMAGE_SYM_TYPE_MOE                   11          // member of enumeration.
317 #define IMAGE_SYM_TYPE_BYTE                  12          //
318 #define IMAGE_SYM_TYPE_WORD                  13          //
319 #define IMAGE_SYM_TYPE_UINT                  14          //
320 #define IMAGE_SYM_TYPE_DWORD                 15          //
321 
322 //
323 // Type (derived) values.
324 //
325 
326 #define IMAGE_SYM_DTYPE_NULL                 0           // no derived type.
327 #define IMAGE_SYM_DTYPE_POINTER              1           // pointer.
328 #define IMAGE_SYM_DTYPE_FUNCTION             2           // function.
329 #define IMAGE_SYM_DTYPE_ARRAY                3           // array.
330 
331 //
332 // Storage classes.
333 //
334 
335 #define IMAGE_SYM_CLASS_END_OF_FUNCTION      (BYTE )-1
336 #define IMAGE_SYM_CLASS_NULL                 0
337 #define IMAGE_SYM_CLASS_AUTOMATIC            1
338 #define IMAGE_SYM_CLASS_EXTERNAL             2
339 #define IMAGE_SYM_CLASS_STATIC               3
340 #define IMAGE_SYM_CLASS_REGISTER             4
341 #define IMAGE_SYM_CLASS_EXTERNAL_DEF         5
342 #define IMAGE_SYM_CLASS_LABEL                6
343 #define IMAGE_SYM_CLASS_UNDEFINED_LABEL      7
344 #define IMAGE_SYM_CLASS_MEMBER_OF_STRUCT     8
345 #define IMAGE_SYM_CLASS_ARGUMENT             9
346 #define IMAGE_SYM_CLASS_STRUCT_TAG           10
347 #define IMAGE_SYM_CLASS_MEMBER_OF_UNION      11
348 #define IMAGE_SYM_CLASS_UNION_TAG            12
349 #define IMAGE_SYM_CLASS_TYPE_DEFINITION      13
350 #define IMAGE_SYM_CLASS_UNDEFINED_STATIC     14
351 #define IMAGE_SYM_CLASS_ENUM_TAG             15
352 #define IMAGE_SYM_CLASS_MEMBER_OF_ENUM       16
353 #define IMAGE_SYM_CLASS_REGISTER_PARAM       17
354 #define IMAGE_SYM_CLASS_BIT_FIELD            18
355 #define IMAGE_SYM_CLASS_BLOCK                100
356 #define IMAGE_SYM_CLASS_FUNCTION             101
357 #define IMAGE_SYM_CLASS_END_OF_STRUCT        102
358 #define IMAGE_SYM_CLASS_FILE                 103
359 // new
360 #define IMAGE_SYM_CLASS_SECTION              104
361 #define IMAGE_SYM_CLASS_WEAK_EXTERNAL        105
362 
363 // type packing constants
364 
365 #define N_BTMASK                            017
366 #define N_TMASK                             060
367 #define N_TMASK1                            0300
368 #define N_TMASK2                            0360
369 #define N_BTSHFT                            4
370 #define N_TSHIFT                            2
371 
372 // MACROS
373 
374 //
375 // Communal selection types.
376 //
377 
378 #define IMAGE_COMDAT_SELECT_NODUPLICATES   1
379 #define IMAGE_COMDAT_SELECT_ANY            2
380 #define IMAGE_COMDAT_SELECT_SAME_SIZE      3
381 #define IMAGE_COMDAT_SELECT_EXACT_MATCH    4
382 #define IMAGE_COMDAT_SELECT_ASSOCIATIVE    5
383 
384 #define IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY 1
385 #define IMAGE_WEAK_EXTERN_SEARCH_LIBRARY   2
386 #define IMAGE_WEAK_EXTERN_SEARCH_ALIAS     3
387 
388 
389 //
390 // Relocation format.
391 //
392 
393 typedef struct _IMAGE_RELOCATION {
394     UINT32   VirtualAddress;
395     UINT32   SymbolTableIndex;
396     UINT16    Type;
397 } IMAGE_RELOCATION;
398 
399 #define IMAGE_SIZEOF_RELOCATION              10
400 
401 //
402 // I386 relocation types.
403 //
404 
405 #define IMAGE_REL_I386_ABSOLUTE              0           // Reference is absolute, no relocation is necessary
406 #define IMAGE_REL_I386_DIR16                 01          // Direct 16-bit reference to the symbols virtual address
407 #define IMAGE_REL_I386_REL16                 02          // PC-relative 16-bit reference to the symbols virtual address
408 #define IMAGE_REL_I386_DIR32                 06          // Direct 32-bit reference to the symbols virtual address
409 #define IMAGE_REL_I386_DIR32NB               07          // Direct 32-bit reference to the symbols virtual address, base not included
410 #define IMAGE_REL_I386_SEG12                 011         // Direct 16-bit reference to the segment-selector bits of a 32-bit virtual address
411 #define IMAGE_REL_I386_SECTION               012
412 #define IMAGE_REL_I386_SECREL                013
413 #define IMAGE_REL_I386_REL32                 024         // PC-relative 32-bit reference to the symbols virtual address
414 
415 //
416 // MIPS relocation types.
417 //
418 
419 #define IMAGE_REL_MIPS_ABSOLUTE              0           // Reference is absolute, no relocation is necessary
420 #define IMAGE_REL_MIPS_REFHALF               01
421 #define IMAGE_REL_MIPS_REFWORD               02
422 #define IMAGE_REL_MIPS_JMPADDR               03
423 #define IMAGE_REL_MIPS_REFHI                 04
424 #define IMAGE_REL_MIPS_REFLO                 05
425 #define IMAGE_REL_MIPS_GPREL                 06
426 #define IMAGE_REL_MIPS_LITERAL               07
427 #define IMAGE_REL_MIPS_SECTION               012
428 #define IMAGE_REL_MIPS_SECREL                013
429 #define IMAGE_REL_MIPS_REFWORDNB             042
430 #define IMAGE_REL_MIPS_PAIR                  045
431 
432 //
433 // Alpha Relocation types.
434 //
435 
436 #define IMAGE_REL_ALPHA_ABSOLUTE             0x0
437 #define IMAGE_REL_ALPHA_REFLONG              0x1
438 #define IMAGE_REL_ALPHA_REFQUAD              0x2
439 #define IMAGE_REL_ALPHA_GPREL32              0x3
440 #define IMAGE_REL_ALPHA_LITERAL              0x4
441 #define IMAGE_REL_ALPHA_LITUSE               0x5
442 #define IMAGE_REL_ALPHA_GPDISP               0x6
443 #define IMAGE_REL_ALPHA_BRADDR               0x7
444 #define IMAGE_REL_ALPHA_HINT                 0x8
445 #define IMAGE_REL_ALPHA_INLINE_REFLONG       0x9
446 #define IMAGE_REL_ALPHA_REFHI                0xA
447 #define IMAGE_REL_ALPHA_REFLO                0xB
448 #define IMAGE_REL_ALPHA_PAIR                 0xC
449 #define IMAGE_REL_ALPHA_MATCH                0xD
450 #define IMAGE_REL_ALPHA_SECTION              0xE
451 #define IMAGE_REL_ALPHA_SECREL               0xF
452 #define IMAGE_REL_ALPHA_REFLONGNB            0x10
453 
454 //
455 // IBM PowerPC relocation types.
456 //
457 
458 #define IMAGE_REL_PPC_ABSOLUTE 0x0000  // NOP
459 #define IMAGE_REL_PPC_ADDR64   0x0001  // 64-bit address
460 #define IMAGE_REL_PPC_ADDR32   0x0002  // 32-bit address
461 #define IMAGE_REL_PPC_ADDR24   0x0003  // 26-bit address, shifted left 2 (branch absolute)
462 #define IMAGE_REL_PPC_ADDR16   0x0004  // 16-bit address
463 #define IMAGE_REL_PPC_ADDR14   0x0005  // 16-bit address, shifted left 2 (load doubleword)
464 #define IMAGE_REL_PPC_REL24    0x0006  // 26-bit PC-relative offset, shifted left 2 (branch relative)
465 #define IMAGE_REL_PPC_REL14    0x0007  // 16-bit PC-relative offset, shifted left 2 (br cond relative)
466 #define IMAGE_REL_PPC_TOCREL16 0x0008  // 16-bit offset from TOC base
467 #define IMAGE_REL_PPC_TOCREL14 0x0009  // 16-bit offset from TOC base, shifted left 2 (load doubleword)
468 
469 #define IMAGE_REL_PPC_ADDR32NB 0x000A  // 32-bit addr w/o image base
470 #define IMAGE_REL_PPC_SECREL   0x000B  // va of containing section (as in an image sectionhdr)
471 #define IMAGE_REL_PPC_SECTION  0x000C  // sectionheader number
472 #define IMAGE_REL_PPC_IFGLUE   0x000D  // substitute TOC restore instruction iff symbol is glue code
473 #define IMAGE_REL_PPC_IMGLUE   0x000E  // symbol is glue code; virtual address is TOC restore instruction
474 
475 #define IMAGE_REL_PPC_TYPEMASK 0x00FF  // mask to isolate above values in IMAGE_RELOCATION.Type
476 
477 // Flag bits in IMAGE_RELOCATION.TYPE
478 
479 #define IMAGE_REL_PPC_NEG      0x0100  // subtract reloc value rather than adding it
480 #define IMAGE_REL_PPC_BRTAKEN  0x0200  // fix branch prediction bit to predict branch taken
481 #define IMAGE_REL_PPC_BRNTAKEN 0x0400  // fix branch prediction bit to predict branch not taken
482 #define IMAGE_REL_PPC_TOCDEFN  0x0800  // toc slot defined in file (or, data in toc)
483 
484 //
485 // Based relocation format.
486 //
487 
488 typedef struct _IMAGE_BASE_RELOCATION {
489     UINT32   VirtualAddress;
490     UINT32   SizeOfBlock;
491 //  UINT16    TypeOffset[1];
492 } IMAGE_BASE_RELOCATION, *PIMAGE_BASE_RELOCATION;
493 
494 #define IMAGE_SIZEOF_BASE_RELOCATION         8
495 
496 //
497 // Based relocation types.
498 //
499 
500 #define IMAGE_REL_BASED_ABSOLUTE              0
501 #define IMAGE_REL_BASED_HIGH                  1
502 #define IMAGE_REL_BASED_LOW                   2
503 #define IMAGE_REL_BASED_HIGHLOW               3
504 #define IMAGE_REL_BASED_HIGHADJ               4
505 #define IMAGE_REL_BASED_MIPS_JMPADDR          5
506 #define IMAGE_REL_BASED_IA64_IMM64            9
507 #define IMAGE_REL_BASED_DIR64                 10
508 
509 //
510 // Line number format.
511 //
512 
513 typedef struct _IMAGE_LINENUMBER {
514     union {
515         UINT32   SymbolTableIndex;               // Symbol table index of function name if Linenumber is 0.
516         UINT32   VirtualAddress;                 // Virtual address of line number.
517     } Type;
518     UINT16    Linenumber;                         // Line number.
519 } IMAGE_LINENUMBER;
520 
521 #define IMAGE_SIZEOF_LINENUMBER              6
522 
523 //
524 // Archive format.
525 //
526 
527 #define IMAGE_ARCHIVE_START_SIZE             8
528 #define IMAGE_ARCHIVE_START                  "!<arch>\n"
529 #define IMAGE_ARCHIVE_END                    "`\n"
530 #define IMAGE_ARCHIVE_PAD                    "\n"
531 #define IMAGE_ARCHIVE_LINKER_MEMBER          "/               "
532 #define IMAGE_ARCHIVE_LONGNAMES_MEMBER       "//              "
533 
534 typedef struct _IMAGE_ARCHIVE_MEMBER_HEADER {
535     UINT8     Name[16];                          // File member name - `/' terminated.
536     UINT8     Date[12];                          // File member date - decimal.
537     UINT8     UserID[6];                         // File member user id - decimal.
538     UINT8     GroupID[6];                        // File member group id - decimal.
539     UINT8     Mode[8];                           // File member mode - octal.
540     UINT8     Size[10];                          // File member size - decimal.
541     UINT8     EndHeader[2];                      // String to end header.
542 } IMAGE_ARCHIVE_MEMBER_HEADER, *PIMAGE_ARCHIVE_MEMBER_HEADER;
543 
544 #define IMAGE_SIZEOF_ARCHIVE_MEMBER_HDR      60
545 
546 //
547 // DLL support.
548 //
549 
550 //
551 // Export Format
552 //
553 
554 typedef struct _IMAGE_EXPORT_DIRECTORY {
555     UINT32   Characteristics;
556     UINT32   TimeDateStamp;
557     UINT16   MajorVersion;
558     UINT16   MinorVersion;
559     UINT32   Name;
560     UINT32   Base;
561     UINT32   NumberOfFunctions;
562     UINT32   NumberOfNames;
563     UINT32   *AddressOfFunctions;
564     UINT32   *AddressOfNames;
565     UINT32   *AddressOfNameOrdinals;
566 } IMAGE_EXPORT_DIRECTORY, *PIMAGE_EXPORT_DIRECTORY;
567 
568 //
569 // Import Format
570 //
571 
572 typedef struct _IMAGE_IMPORT_BY_NAME {
573     UINT16    Hint;
574     UINT8     Name[1];
575 } IMAGE_IMPORT_BY_NAME, *PIMAGE_IMPORT_BY_NAME;
576 
577 typedef struct _IMAGE_THUNK_DATA {
578     union {
579         UINT32 Function;
580         UINT32 Ordinal;
581         PIMAGE_IMPORT_BY_NAME AddressOfData;
582     } u1;
583 } IMAGE_THUNK_DATA, *PIMAGE_THUNK_DATA;
584 
585 #define IMAGE_ORDINAL_FLAG 0x80000000
586 #define IMAGE_SNAP_BY_ORDINAL(Ordinal) ((Ordinal & IMAGE_ORDINAL_FLAG) != 0)
587 #define IMAGE_ORDINAL(Ordinal) (Ordinal & 0xffff)
588 
589 typedef struct _IMAGE_IMPORT_DESCRIPTOR {
590     UINT32   Characteristics;
591     UINT32   TimeDateStamp;
592     UINT32   ForwarderChain;
593     UINT32   Name;
594     PIMAGE_THUNK_DATA FirstThunk;
595 } IMAGE_IMPORT_DESCRIPTOR, *PIMAGE_IMPORT_DESCRIPTOR;
596 
597 #endif
598