1 //===-- llvm/Support/COFF.h -------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains an definitions used in Windows COFF Files.
12 // Structures and enums defined within this file where created using
13 // information from Microsoft's publicly available PE/COFF format document:
15 // Microsoft Portable Executable and Common Object File Format Specification
16 // Revision 8.1 - February 15, 2008
18 // As of 5/2/2010, hosted by Microsoft at:
19 // http://www.microsoft.com/whdc/system/platform/firmware/pecoff.mspx
21 //===----------------------------------------------------------------------===//
23 #ifndef LLVM_SUPPORT_COFF_H
24 #define LLVM_SUPPORT_COFF_H
26 #include "llvm/Support/DataTypes.h"
33 // The maximum number of sections that a COFF object can have (inclusive).
34 const int MaxNumberOfSections = 65299;
36 // The PE signature bytes that follows the DOS stub header.
37 static const char PEMagic[] = { 'P', 'E', '\0', '\0' };
39 // Sizes in bytes of various things in the COFF format.
50 uint16_t NumberOfSections;
51 uint32_t TimeDateStamp;
52 uint32_t PointerToSymbolTable;
53 uint32_t NumberOfSymbols;
54 uint16_t SizeOfOptionalHeader;
55 uint16_t Characteristics;
61 IMAGE_FILE_MACHINE_UNKNOWN = 0x0,
62 IMAGE_FILE_MACHINE_AM33 = 0x13,
63 IMAGE_FILE_MACHINE_AMD64 = 0x8664,
64 IMAGE_FILE_MACHINE_ARM = 0x1C0,
65 IMAGE_FILE_MACHINE_ARMNT = 0x1C4,
66 IMAGE_FILE_MACHINE_EBC = 0xEBC,
67 IMAGE_FILE_MACHINE_I386 = 0x14C,
68 IMAGE_FILE_MACHINE_IA64 = 0x200,
69 IMAGE_FILE_MACHINE_M32R = 0x9041,
70 IMAGE_FILE_MACHINE_MIPS16 = 0x266,
71 IMAGE_FILE_MACHINE_MIPSFPU = 0x366,
72 IMAGE_FILE_MACHINE_MIPSFPU16 = 0x466,
73 IMAGE_FILE_MACHINE_POWERPC = 0x1F0,
74 IMAGE_FILE_MACHINE_POWERPCFP = 0x1F1,
75 IMAGE_FILE_MACHINE_R4000 = 0x166,
76 IMAGE_FILE_MACHINE_SH3 = 0x1A2,
77 IMAGE_FILE_MACHINE_SH3DSP = 0x1A3,
78 IMAGE_FILE_MACHINE_SH4 = 0x1A6,
79 IMAGE_FILE_MACHINE_SH5 = 0x1A8,
80 IMAGE_FILE_MACHINE_THUMB = 0x1C2,
81 IMAGE_FILE_MACHINE_WCEMIPSV2 = 0x169
84 enum Characteristics {
87 /// The file does not contain base relocations and must be loaded at its
88 /// preferred base. If this cannot be done, the loader will error.
89 IMAGE_FILE_RELOCS_STRIPPED = 0x0001,
90 /// The file is valid and can be run.
91 IMAGE_FILE_EXECUTABLE_IMAGE = 0x0002,
92 /// COFF line numbers have been stripped. This is deprecated and should be
94 IMAGE_FILE_LINE_NUMS_STRIPPED = 0x0004,
95 /// COFF symbol table entries for local symbols have been removed. This is
96 /// deprecated and should be 0.
97 IMAGE_FILE_LOCAL_SYMS_STRIPPED = 0x0008,
98 /// Aggressively trim working set. This is deprecated and must be 0.
99 IMAGE_FILE_AGGRESSIVE_WS_TRIM = 0x0010,
100 /// Image can handle > 2GiB addresses.
101 IMAGE_FILE_LARGE_ADDRESS_AWARE = 0x0020,
102 /// Little endian: the LSB precedes the MSB in memory. This is deprecated
104 IMAGE_FILE_BYTES_REVERSED_LO = 0x0080,
105 /// Machine is based on a 32bit word architecture.
106 IMAGE_FILE_32BIT_MACHINE = 0x0100,
107 /// Debugging info has been removed.
108 IMAGE_FILE_DEBUG_STRIPPED = 0x0200,
109 /// If the image is on removable media, fully load it and copy it to swap.
110 IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP = 0x0400,
111 /// If the image is on network media, fully load it and copy it to swap.
112 IMAGE_FILE_NET_RUN_FROM_SWAP = 0x0800,
113 /// The image file is a system file, not a user program.
114 IMAGE_FILE_SYSTEM = 0x1000,
115 /// The image file is a DLL.
116 IMAGE_FILE_DLL = 0x2000,
117 /// This file should only be run on a uniprocessor machine.
118 IMAGE_FILE_UP_SYSTEM_ONLY = 0x4000,
119 /// Big endian: the MSB precedes the LSB in memory. This is deprecated
121 IMAGE_FILE_BYTES_REVERSED_HI = 0x8000
127 uint16_t SectionNumber;
129 uint8_t StorageClass;
130 uint8_t NumberOfAuxSymbols;
134 SF_TypeMask = 0x0000FFFF,
137 SF_ClassMask = 0x00FF0000,
140 SF_WeakExternal = 0x01000000
143 enum SymbolSectionNumber {
144 IMAGE_SYM_DEBUG = 0xFFFE,
145 IMAGE_SYM_ABSOLUTE = 0xFFFF,
146 IMAGE_SYM_UNDEFINED = 0
149 /// Storage class tells where and what the symbol represents
150 enum SymbolStorageClass {
153 IMAGE_SYM_CLASS_END_OF_FUNCTION = -1, ///< Physical end of function
154 IMAGE_SYM_CLASS_NULL = 0, ///< No symbol
155 IMAGE_SYM_CLASS_AUTOMATIC = 1, ///< Stack variable
156 IMAGE_SYM_CLASS_EXTERNAL = 2, ///< External symbol
157 IMAGE_SYM_CLASS_STATIC = 3, ///< Static
158 IMAGE_SYM_CLASS_REGISTER = 4, ///< Register variable
159 IMAGE_SYM_CLASS_EXTERNAL_DEF = 5, ///< External definition
160 IMAGE_SYM_CLASS_LABEL = 6, ///< Label
161 IMAGE_SYM_CLASS_UNDEFINED_LABEL = 7, ///< Undefined label
162 IMAGE_SYM_CLASS_MEMBER_OF_STRUCT = 8, ///< Member of structure
163 IMAGE_SYM_CLASS_ARGUMENT = 9, ///< Function argument
164 IMAGE_SYM_CLASS_STRUCT_TAG = 10, ///< Structure tag
165 IMAGE_SYM_CLASS_MEMBER_OF_UNION = 11, ///< Member of union
166 IMAGE_SYM_CLASS_UNION_TAG = 12, ///< Union tag
167 IMAGE_SYM_CLASS_TYPE_DEFINITION = 13, ///< Type definition
168 IMAGE_SYM_CLASS_UNDEFINED_STATIC = 14, ///< Undefined static
169 IMAGE_SYM_CLASS_ENUM_TAG = 15, ///< Enumeration tag
170 IMAGE_SYM_CLASS_MEMBER_OF_ENUM = 16, ///< Member of enumeration
171 IMAGE_SYM_CLASS_REGISTER_PARAM = 17, ///< Register parameter
172 IMAGE_SYM_CLASS_BIT_FIELD = 18, ///< Bit field
173 /// ".bb" or ".eb" - beginning or end of block
174 IMAGE_SYM_CLASS_BLOCK = 100,
175 /// ".bf" or ".ef" - beginning or end of function
176 IMAGE_SYM_CLASS_FUNCTION = 101,
177 IMAGE_SYM_CLASS_END_OF_STRUCT = 102, ///< End of structure
178 IMAGE_SYM_CLASS_FILE = 103, ///< File name
179 /// Line number, reformatted as symbol
180 IMAGE_SYM_CLASS_SECTION = 104,
181 IMAGE_SYM_CLASS_WEAK_EXTERNAL = 105, ///< Duplicate tag
182 /// External symbol in dmert public lib
183 IMAGE_SYM_CLASS_CLR_TOKEN = 107
186 enum SymbolBaseType {
187 IMAGE_SYM_TYPE_NULL = 0, ///< No type information or unknown base type.
188 IMAGE_SYM_TYPE_VOID = 1, ///< Used with void pointers and functions.
189 IMAGE_SYM_TYPE_CHAR = 2, ///< A character (signed byte).
190 IMAGE_SYM_TYPE_SHORT = 3, ///< A 2-byte signed integer.
191 IMAGE_SYM_TYPE_INT = 4, ///< A natural integer type on the target.
192 IMAGE_SYM_TYPE_LONG = 5, ///< A 4-byte signed integer.
193 IMAGE_SYM_TYPE_FLOAT = 6, ///< A 4-byte floating-point number.
194 IMAGE_SYM_TYPE_DOUBLE = 7, ///< An 8-byte floating-point number.
195 IMAGE_SYM_TYPE_STRUCT = 8, ///< A structure.
196 IMAGE_SYM_TYPE_UNION = 9, ///< An union.
197 IMAGE_SYM_TYPE_ENUM = 10, ///< An enumerated type.
198 IMAGE_SYM_TYPE_MOE = 11, ///< A member of enumeration (a specific value).
199 IMAGE_SYM_TYPE_BYTE = 12, ///< A byte; unsigned 1-byte integer.
200 IMAGE_SYM_TYPE_WORD = 13, ///< A word; unsigned 2-byte integer.
201 IMAGE_SYM_TYPE_UINT = 14, ///< An unsigned integer of natural size.
202 IMAGE_SYM_TYPE_DWORD = 15 ///< An unsigned 4-byte integer.
205 enum SymbolComplexType {
206 IMAGE_SYM_DTYPE_NULL = 0, ///< No complex type; simple scalar variable.
207 IMAGE_SYM_DTYPE_POINTER = 1, ///< A pointer to base type.
208 IMAGE_SYM_DTYPE_FUNCTION = 2, ///< A function that returns a base type.
209 IMAGE_SYM_DTYPE_ARRAY = 3, ///< An array of base type.
211 /// Type is formed as (base + (derived << SCT_COMPLEX_TYPE_SHIFT))
212 SCT_COMPLEX_TYPE_SHIFT = 4
217 uint32_t VirtualSize;
218 uint32_t VirtualAddress;
219 uint32_t SizeOfRawData;
220 uint32_t PointerToRawData;
221 uint32_t PointerToRelocations;
222 uint32_t PointerToLineNumbers;
223 uint16_t NumberOfRelocations;
224 uint16_t NumberOfLineNumbers;
225 uint32_t Characteristics;
228 enum SectionCharacteristics : uint32_t {
229 SC_Invalid = 0xffffffff,
231 IMAGE_SCN_TYPE_NO_PAD = 0x00000008,
232 IMAGE_SCN_CNT_CODE = 0x00000020,
233 IMAGE_SCN_CNT_INITIALIZED_DATA = 0x00000040,
234 IMAGE_SCN_CNT_UNINITIALIZED_DATA = 0x00000080,
235 IMAGE_SCN_LNK_OTHER = 0x00000100,
236 IMAGE_SCN_LNK_INFO = 0x00000200,
237 IMAGE_SCN_LNK_REMOVE = 0x00000800,
238 IMAGE_SCN_LNK_COMDAT = 0x00001000,
239 IMAGE_SCN_GPREL = 0x00008000,
240 IMAGE_SCN_MEM_PURGEABLE = 0x00020000,
241 IMAGE_SCN_MEM_16BIT = 0x00020000,
242 IMAGE_SCN_MEM_LOCKED = 0x00040000,
243 IMAGE_SCN_MEM_PRELOAD = 0x00080000,
244 IMAGE_SCN_ALIGN_1BYTES = 0x00100000,
245 IMAGE_SCN_ALIGN_2BYTES = 0x00200000,
246 IMAGE_SCN_ALIGN_4BYTES = 0x00300000,
247 IMAGE_SCN_ALIGN_8BYTES = 0x00400000,
248 IMAGE_SCN_ALIGN_16BYTES = 0x00500000,
249 IMAGE_SCN_ALIGN_32BYTES = 0x00600000,
250 IMAGE_SCN_ALIGN_64BYTES = 0x00700000,
251 IMAGE_SCN_ALIGN_128BYTES = 0x00800000,
252 IMAGE_SCN_ALIGN_256BYTES = 0x00900000,
253 IMAGE_SCN_ALIGN_512BYTES = 0x00A00000,
254 IMAGE_SCN_ALIGN_1024BYTES = 0x00B00000,
255 IMAGE_SCN_ALIGN_2048BYTES = 0x00C00000,
256 IMAGE_SCN_ALIGN_4096BYTES = 0x00D00000,
257 IMAGE_SCN_ALIGN_8192BYTES = 0x00E00000,
258 IMAGE_SCN_LNK_NRELOC_OVFL = 0x01000000,
259 IMAGE_SCN_MEM_DISCARDABLE = 0x02000000,
260 IMAGE_SCN_MEM_NOT_CACHED = 0x04000000,
261 IMAGE_SCN_MEM_NOT_PAGED = 0x08000000,
262 IMAGE_SCN_MEM_SHARED = 0x10000000,
263 IMAGE_SCN_MEM_EXECUTE = 0x20000000,
264 IMAGE_SCN_MEM_READ = 0x40000000,
265 IMAGE_SCN_MEM_WRITE = 0x80000000
269 uint32_t VirtualAddress;
270 uint32_t SymbolTableIndex;
274 enum RelocationTypeX86 {
275 IMAGE_REL_I386_ABSOLUTE = 0x0000,
276 IMAGE_REL_I386_DIR16 = 0x0001,
277 IMAGE_REL_I386_REL16 = 0x0002,
278 IMAGE_REL_I386_DIR32 = 0x0006,
279 IMAGE_REL_I386_DIR32NB = 0x0007,
280 IMAGE_REL_I386_SEG12 = 0x0009,
281 IMAGE_REL_I386_SECTION = 0x000A,
282 IMAGE_REL_I386_SECREL = 0x000B,
283 IMAGE_REL_I386_TOKEN = 0x000C,
284 IMAGE_REL_I386_SECREL7 = 0x000D,
285 IMAGE_REL_I386_REL32 = 0x0014,
287 IMAGE_REL_AMD64_ABSOLUTE = 0x0000,
288 IMAGE_REL_AMD64_ADDR64 = 0x0001,
289 IMAGE_REL_AMD64_ADDR32 = 0x0002,
290 IMAGE_REL_AMD64_ADDR32NB = 0x0003,
291 IMAGE_REL_AMD64_REL32 = 0x0004,
292 IMAGE_REL_AMD64_REL32_1 = 0x0005,
293 IMAGE_REL_AMD64_REL32_2 = 0x0006,
294 IMAGE_REL_AMD64_REL32_3 = 0x0007,
295 IMAGE_REL_AMD64_REL32_4 = 0x0008,
296 IMAGE_REL_AMD64_REL32_5 = 0x0009,
297 IMAGE_REL_AMD64_SECTION = 0x000A,
298 IMAGE_REL_AMD64_SECREL = 0x000B,
299 IMAGE_REL_AMD64_SECREL7 = 0x000C,
300 IMAGE_REL_AMD64_TOKEN = 0x000D,
301 IMAGE_REL_AMD64_SREL32 = 0x000E,
302 IMAGE_REL_AMD64_PAIR = 0x000F,
303 IMAGE_REL_AMD64_SSPAN32 = 0x0010
306 enum RelocationTypesARM {
307 IMAGE_REL_ARM_ABSOLUTE = 0x0000,
308 IMAGE_REL_ARM_ADDR32 = 0x0001,
309 IMAGE_REL_ARM_ADDR32NB = 0x0002,
310 IMAGE_REL_ARM_BRANCH24 = 0x0003,
311 IMAGE_REL_ARM_BRANCH11 = 0x0004,
312 IMAGE_REL_ARM_TOKEN = 0x0005,
313 IMAGE_REL_ARM_BLX24 = 0x0008,
314 IMAGE_REL_ARM_BLX11 = 0x0009,
315 IMAGE_REL_ARM_SECTION = 0x000E,
316 IMAGE_REL_ARM_SECREL = 0x000F,
317 IMAGE_REL_ARM_MOV32A = 0x0010,
318 IMAGE_REL_ARM_MOV32T = 0x0011,
319 IMAGE_REL_ARM_BRANCH20T = 0x0012,
320 IMAGE_REL_ARM_BRANCH24T = 0x0014,
321 IMAGE_REL_ARM_BLX23T = 0x0015
325 IMAGE_COMDAT_SELECT_NODUPLICATES = 1,
326 IMAGE_COMDAT_SELECT_ANY,
327 IMAGE_COMDAT_SELECT_SAME_SIZE,
328 IMAGE_COMDAT_SELECT_EXACT_MATCH,
329 IMAGE_COMDAT_SELECT_ASSOCIATIVE,
330 IMAGE_COMDAT_SELECT_LARGEST,
331 IMAGE_COMDAT_SELECT_NEWEST
334 // Auxiliary Symbol Formats
335 struct AuxiliaryFunctionDefinition {
338 uint32_t PointerToLinenumber;
339 uint32_t PointerToNextFunction;
343 struct AuxiliarybfAndefSymbol {
347 uint32_t PointerToNextFunction;
351 struct AuxiliaryWeakExternal {
353 uint32_t Characteristics;
357 /// These are not documented in the spec, but are located in WinNT.h.
358 enum WeakExternalCharacteristics {
359 IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY = 1,
360 IMAGE_WEAK_EXTERN_SEARCH_LIBRARY = 2,
361 IMAGE_WEAK_EXTERN_SEARCH_ALIAS = 3
364 struct AuxiliaryFile {
365 uint8_t FileName[18];
368 struct AuxiliarySectionDefinition {
370 uint16_t NumberOfRelocations;
371 uint16_t NumberOfLinenumbers;
379 AuxiliaryFunctionDefinition FunctionDefinition;
380 AuxiliarybfAndefSymbol bfAndefSymbol;
381 AuxiliaryWeakExternal WeakExternal;
383 AuxiliarySectionDefinition SectionDefinition;
386 /// @brief The Import Directory Table.
388 /// There is a single array of these and one entry per imported DLL.
389 struct ImportDirectoryTableEntry {
390 uint32_t ImportLookupTableRVA;
391 uint32_t TimeDateStamp;
392 uint32_t ForwarderChain;
394 uint32_t ImportAddressTableRVA;
397 /// @brief The PE32 Import Lookup Table.
399 /// There is an array of these for each imported DLL. It represents either
400 /// the ordinal to import from the target DLL, or a name to lookup and import
401 /// from the target DLL.
403 /// This also happens to be the same format used by the Import Address Table
404 /// when it is initially written out to the image.
405 struct ImportLookupTableEntry32 {
408 /// @brief Is this entry specified by ordinal, or name?
409 bool isOrdinal() const { return data & 0x80000000; }
411 /// @brief Get the ordinal value of this entry. isOrdinal must be true.
412 uint16_t getOrdinal() const {
413 assert(isOrdinal() && "ILT entry is not an ordinal!");
414 return data & 0xFFFF;
417 /// @brief Set the ordinal value and set isOrdinal to true.
418 void setOrdinal(uint16_t o) {
423 /// @brief Get the Hint/Name entry RVA. isOrdinal must be false.
424 uint32_t getHintNameRVA() const {
425 assert(!isOrdinal() && "ILT entry is not a Hint/Name RVA!");
429 /// @brief Set the Hint/Name entry RVA and set isOrdinal to false.
430 void setHintNameRVA(uint32_t rva) { data = rva; }
433 /// @brief The DOS compatible header at the front of all PEs.
436 uint16_t UsedBytesInTheLastPage;
437 uint16_t FileSizeInPages;
438 uint16_t NumberOfRelocationItems;
439 uint16_t HeaderSizeInParagraphs;
440 uint16_t MinimumExtraParagraphs;
441 uint16_t MaximumExtraParagraphs;
442 uint16_t InitialRelativeSS;
446 uint16_t InitialRelativeCS;
447 uint16_t AddressOfRelocationTable;
448 uint16_t OverlayNumber;
449 uint16_t Reserved[4];
452 uint16_t Reserved2[10];
453 uint32_t AddressOfNewExeHeader;
463 uint8_t MajorLinkerVersion;
464 uint8_t MinorLinkerVersion;
466 uint32_t SizeOfInitializedData;
467 uint32_t SizeOfUninitializedData;
468 uint32_t AddressOfEntryPoint; // RVA
469 uint32_t BaseOfCode; // RVA
470 uint32_t BaseOfData; // RVA
472 uint32_t SectionAlignment;
473 uint32_t FileAlignment;
474 uint16_t MajorOperatingSystemVersion;
475 uint16_t MinorOperatingSystemVersion;
476 uint16_t MajorImageVersion;
477 uint16_t MinorImageVersion;
478 uint16_t MajorSubsystemVersion;
479 uint16_t MinorSubsystemVersion;
480 uint32_t Win32VersionValue;
481 uint32_t SizeOfImage;
482 uint32_t SizeOfHeaders;
485 uint16_t DLLCharacteristics;
486 uint32_t SizeOfStackReserve;
487 uint32_t SizeOfStackCommit;
488 uint32_t SizeOfHeapReserve;
489 uint32_t SizeOfHeapCommit;
490 uint32_t LoaderFlags;
491 uint32_t NumberOfRvaAndSize;
494 struct DataDirectory {
495 uint32_t RelativeVirtualAddress;
499 enum DataDirectoryIndex {
505 BASE_RELOCATION_TABLE,
513 DELAY_IMPORT_DESCRIPTOR,
517 enum WindowsSubsystem {
518 IMAGE_SUBSYSTEM_UNKNOWN = 0, ///< An unknown subsystem.
519 IMAGE_SUBSYSTEM_NATIVE = 1, ///< Device drivers and native Windows processes
520 IMAGE_SUBSYSTEM_WINDOWS_GUI = 2, ///< The Windows GUI subsystem.
521 IMAGE_SUBSYSTEM_WINDOWS_CUI = 3, ///< The Windows character subsystem.
522 IMAGE_SUBSYSTEM_OS2_CUI = 5, ///< The OS/2 character subsytem.
523 IMAGE_SUBSYSTEM_POSIX_CUI = 7, ///< The POSIX character subsystem.
524 IMAGE_SUBSYSTEM_NATIVE_WINDOWS = 8, ///< Native Windows 9x driver.
525 IMAGE_SUBSYSTEM_WINDOWS_CE_GUI = 9, ///< Windows CE.
526 IMAGE_SUBSYSTEM_EFI_APPLICATION = 10, ///< An EFI application.
527 IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER = 11, ///< An EFI driver with boot
529 IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER = 12, ///< An EFI driver with run-time
531 IMAGE_SUBSYSTEM_EFI_ROM = 13, ///< An EFI ROM image.
532 IMAGE_SUBSYSTEM_XBOX = 14, ///< XBOX.
533 IMAGE_SUBSYSTEM_WINDOWS_BOOT_APPLICATION = 16 ///< A BCD application.
536 enum DLLCharacteristics {
537 /// ASLR with 64 bit address space.
538 IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA = 0x0020,
539 /// DLL can be relocated at load time.
540 IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE = 0x0040,
541 /// Code integrity checks are enforced.
542 IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY = 0x0080,
543 IMAGE_DLL_CHARACTERISTICS_NX_COMPAT = 0x0100, ///< Image is NX compatible.
544 /// Isolation aware, but do not isolate the image.
545 IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION = 0x0200,
546 /// Does not use structured exception handling (SEH). No SEH handler may be
547 /// called in this image.
548 IMAGE_DLL_CHARACTERISTICS_NO_SEH = 0x0400,
549 /// Do not bind the image.
550 IMAGE_DLL_CHARACTERISTICS_NO_BIND = 0x0800,
551 IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER = 0x2000, ///< A WDM driver.
552 /// Terminal Server aware.
553 IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE = 0x8000
557 IMAGE_DEBUG_TYPE_UNKNOWN = 0,
558 IMAGE_DEBUG_TYPE_COFF = 1,
559 IMAGE_DEBUG_TYPE_CODEVIEW = 2,
560 IMAGE_DEBUG_TYPE_FPO = 3,
561 IMAGE_DEBUG_TYPE_MISC = 4,
562 IMAGE_DEBUG_TYPE_EXCEPTION = 5,
563 IMAGE_DEBUG_TYPE_FIXUP = 6,
564 IMAGE_DEBUG_TYPE_OMAP_TO_SRC = 7,
565 IMAGE_DEBUG_TYPE_OMAP_FROM_SRC = 8,
566 IMAGE_DEBUG_TYPE_BORLAND = 9,
567 IMAGE_DEBUG_TYPE_CLSID = 11
570 enum BaseRelocationType {
571 IMAGE_REL_BASED_ABSOLUTE = 0,
572 IMAGE_REL_BASED_HIGH = 1,
573 IMAGE_REL_BASED_LOW = 2,
574 IMAGE_REL_BASED_HIGHLOW = 3,
575 IMAGE_REL_BASED_HIGHADJ = 4,
576 IMAGE_REL_BASED_MIPS_JMPADDR = 5,
577 IMAGE_REL_BASED_ARM_MOV32A = 5,
578 IMAGE_REL_BASED_ARM_MOV32T = 7,
579 IMAGE_REL_BASED_MIPS_JMPADDR16 = 9,
580 IMAGE_REL_BASED_DIR64 = 10
589 enum ImportNameType {
590 /// Import is by ordinal. This indicates that the value in the Ordinal/Hint
591 /// field of the import header is the import's ordinal. If this constant is
592 /// not specified, then the Ordinal/Hint field should always be interpreted
593 /// as the import's hint.
595 /// The import name is identical to the public symbol name
597 /// The import name is the public symbol name, but skipping the leading ?,
598 /// @, or optionally _.
599 IMPORT_NAME_NOPREFIX = 2,
600 /// The import name is the public symbol name, but skipping the leading ?,
601 /// @, or optionally _, and truncating at the first @.
602 IMPORT_NAME_UNDECORATE = 3
605 struct ImportHeader {
606 uint16_t Sig1; ///< Must be IMAGE_FILE_MACHINE_UNKNOWN (0).
607 uint16_t Sig2; ///< Must be 0xFFFF.
610 uint32_t TimeDateStamp;
612 uint16_t OrdinalHint;
615 ImportType getType() const {
616 return static_cast<ImportType>(TypeInfo & 0x3);
619 ImportNameType getNameType() const {
620 return static_cast<ImportNameType>((TypeInfo & 0x1C) >> 3);
624 enum CodeViewLineTableIdentifiers {
625 DEBUG_SECTION_MAGIC = 0x4,
626 DEBUG_LINE_TABLE_SUBSECTION = 0xF2,
627 DEBUG_STRING_TABLE_SUBSECTION = 0xF3,
628 DEBUG_INDEX_SUBSECTION = 0xF4
631 inline bool isReservedSectionNumber(int N) {
632 return N == IMAGE_SYM_UNDEFINED || N > MaxNumberOfSections;
635 } // End namespace COFF.
636 } // End namespace llvm.