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
216 IMAGE_AUX_SYMBOL_TYPE_TOKEN_DEF = 1
221 uint32_t VirtualSize;
222 uint32_t VirtualAddress;
223 uint32_t SizeOfRawData;
224 uint32_t PointerToRawData;
225 uint32_t PointerToRelocations;
226 uint32_t PointerToLineNumbers;
227 uint16_t NumberOfRelocations;
228 uint16_t NumberOfLineNumbers;
229 uint32_t Characteristics;
232 enum SectionCharacteristics : uint32_t {
233 SC_Invalid = 0xffffffff,
235 IMAGE_SCN_TYPE_NO_PAD = 0x00000008,
236 IMAGE_SCN_CNT_CODE = 0x00000020,
237 IMAGE_SCN_CNT_INITIALIZED_DATA = 0x00000040,
238 IMAGE_SCN_CNT_UNINITIALIZED_DATA = 0x00000080,
239 IMAGE_SCN_LNK_OTHER = 0x00000100,
240 IMAGE_SCN_LNK_INFO = 0x00000200,
241 IMAGE_SCN_LNK_REMOVE = 0x00000800,
242 IMAGE_SCN_LNK_COMDAT = 0x00001000,
243 IMAGE_SCN_GPREL = 0x00008000,
244 IMAGE_SCN_MEM_PURGEABLE = 0x00020000,
245 IMAGE_SCN_MEM_16BIT = 0x00020000,
246 IMAGE_SCN_MEM_LOCKED = 0x00040000,
247 IMAGE_SCN_MEM_PRELOAD = 0x00080000,
248 IMAGE_SCN_ALIGN_1BYTES = 0x00100000,
249 IMAGE_SCN_ALIGN_2BYTES = 0x00200000,
250 IMAGE_SCN_ALIGN_4BYTES = 0x00300000,
251 IMAGE_SCN_ALIGN_8BYTES = 0x00400000,
252 IMAGE_SCN_ALIGN_16BYTES = 0x00500000,
253 IMAGE_SCN_ALIGN_32BYTES = 0x00600000,
254 IMAGE_SCN_ALIGN_64BYTES = 0x00700000,
255 IMAGE_SCN_ALIGN_128BYTES = 0x00800000,
256 IMAGE_SCN_ALIGN_256BYTES = 0x00900000,
257 IMAGE_SCN_ALIGN_512BYTES = 0x00A00000,
258 IMAGE_SCN_ALIGN_1024BYTES = 0x00B00000,
259 IMAGE_SCN_ALIGN_2048BYTES = 0x00C00000,
260 IMAGE_SCN_ALIGN_4096BYTES = 0x00D00000,
261 IMAGE_SCN_ALIGN_8192BYTES = 0x00E00000,
262 IMAGE_SCN_LNK_NRELOC_OVFL = 0x01000000,
263 IMAGE_SCN_MEM_DISCARDABLE = 0x02000000,
264 IMAGE_SCN_MEM_NOT_CACHED = 0x04000000,
265 IMAGE_SCN_MEM_NOT_PAGED = 0x08000000,
266 IMAGE_SCN_MEM_SHARED = 0x10000000,
267 IMAGE_SCN_MEM_EXECUTE = 0x20000000,
268 IMAGE_SCN_MEM_READ = 0x40000000,
269 IMAGE_SCN_MEM_WRITE = 0x80000000
273 uint32_t VirtualAddress;
274 uint32_t SymbolTableIndex;
278 enum RelocationTypeI386 {
279 IMAGE_REL_I386_ABSOLUTE = 0x0000,
280 IMAGE_REL_I386_DIR16 = 0x0001,
281 IMAGE_REL_I386_REL16 = 0x0002,
282 IMAGE_REL_I386_DIR32 = 0x0006,
283 IMAGE_REL_I386_DIR32NB = 0x0007,
284 IMAGE_REL_I386_SEG12 = 0x0009,
285 IMAGE_REL_I386_SECTION = 0x000A,
286 IMAGE_REL_I386_SECREL = 0x000B,
287 IMAGE_REL_I386_TOKEN = 0x000C,
288 IMAGE_REL_I386_SECREL7 = 0x000D,
289 IMAGE_REL_I386_REL32 = 0x0014
292 enum RelocationTypeAMD64 {
293 IMAGE_REL_AMD64_ABSOLUTE = 0x0000,
294 IMAGE_REL_AMD64_ADDR64 = 0x0001,
295 IMAGE_REL_AMD64_ADDR32 = 0x0002,
296 IMAGE_REL_AMD64_ADDR32NB = 0x0003,
297 IMAGE_REL_AMD64_REL32 = 0x0004,
298 IMAGE_REL_AMD64_REL32_1 = 0x0005,
299 IMAGE_REL_AMD64_REL32_2 = 0x0006,
300 IMAGE_REL_AMD64_REL32_3 = 0x0007,
301 IMAGE_REL_AMD64_REL32_4 = 0x0008,
302 IMAGE_REL_AMD64_REL32_5 = 0x0009,
303 IMAGE_REL_AMD64_SECTION = 0x000A,
304 IMAGE_REL_AMD64_SECREL = 0x000B,
305 IMAGE_REL_AMD64_SECREL7 = 0x000C,
306 IMAGE_REL_AMD64_TOKEN = 0x000D,
307 IMAGE_REL_AMD64_SREL32 = 0x000E,
308 IMAGE_REL_AMD64_PAIR = 0x000F,
309 IMAGE_REL_AMD64_SSPAN32 = 0x0010
312 enum RelocationTypesARM {
313 IMAGE_REL_ARM_ABSOLUTE = 0x0000,
314 IMAGE_REL_ARM_ADDR32 = 0x0001,
315 IMAGE_REL_ARM_ADDR32NB = 0x0002,
316 IMAGE_REL_ARM_BRANCH24 = 0x0003,
317 IMAGE_REL_ARM_BRANCH11 = 0x0004,
318 IMAGE_REL_ARM_TOKEN = 0x0005,
319 IMAGE_REL_ARM_BLX24 = 0x0008,
320 IMAGE_REL_ARM_BLX11 = 0x0009,
321 IMAGE_REL_ARM_SECTION = 0x000E,
322 IMAGE_REL_ARM_SECREL = 0x000F,
323 IMAGE_REL_ARM_MOV32A = 0x0010,
324 IMAGE_REL_ARM_MOV32T = 0x0011,
325 IMAGE_REL_ARM_BRANCH20T = 0x0012,
326 IMAGE_REL_ARM_BRANCH24T = 0x0014,
327 IMAGE_REL_ARM_BLX23T = 0x0015
331 IMAGE_COMDAT_SELECT_NODUPLICATES = 1,
332 IMAGE_COMDAT_SELECT_ANY,
333 IMAGE_COMDAT_SELECT_SAME_SIZE,
334 IMAGE_COMDAT_SELECT_EXACT_MATCH,
335 IMAGE_COMDAT_SELECT_ASSOCIATIVE,
336 IMAGE_COMDAT_SELECT_LARGEST,
337 IMAGE_COMDAT_SELECT_NEWEST
340 // Auxiliary Symbol Formats
341 struct AuxiliaryFunctionDefinition {
344 uint32_t PointerToLinenumber;
345 uint32_t PointerToNextFunction;
349 struct AuxiliarybfAndefSymbol {
353 uint32_t PointerToNextFunction;
357 struct AuxiliaryWeakExternal {
359 uint32_t Characteristics;
363 /// These are not documented in the spec, but are located in WinNT.h.
364 enum WeakExternalCharacteristics {
365 IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY = 1,
366 IMAGE_WEAK_EXTERN_SEARCH_LIBRARY = 2,
367 IMAGE_WEAK_EXTERN_SEARCH_ALIAS = 3
370 struct AuxiliaryFile {
371 uint8_t FileName[18];
374 struct AuxiliarySectionDefinition {
376 uint16_t NumberOfRelocations;
377 uint16_t NumberOfLinenumbers;
384 struct AuxiliaryCLRToken {
387 uint32_t SymbolTableIndex;
392 AuxiliaryFunctionDefinition FunctionDefinition;
393 AuxiliarybfAndefSymbol bfAndefSymbol;
394 AuxiliaryWeakExternal WeakExternal;
396 AuxiliarySectionDefinition SectionDefinition;
399 /// @brief The Import Directory Table.
401 /// There is a single array of these and one entry per imported DLL.
402 struct ImportDirectoryTableEntry {
403 uint32_t ImportLookupTableRVA;
404 uint32_t TimeDateStamp;
405 uint32_t ForwarderChain;
407 uint32_t ImportAddressTableRVA;
410 /// @brief The PE32 Import Lookup Table.
412 /// There is an array of these for each imported DLL. It represents either
413 /// the ordinal to import from the target DLL, or a name to lookup and import
414 /// from the target DLL.
416 /// This also happens to be the same format used by the Import Address Table
417 /// when it is initially written out to the image.
418 struct ImportLookupTableEntry32 {
421 /// @brief Is this entry specified by ordinal, or name?
422 bool isOrdinal() const { return data & 0x80000000; }
424 /// @brief Get the ordinal value of this entry. isOrdinal must be true.
425 uint16_t getOrdinal() const {
426 assert(isOrdinal() && "ILT entry is not an ordinal!");
427 return data & 0xFFFF;
430 /// @brief Set the ordinal value and set isOrdinal to true.
431 void setOrdinal(uint16_t o) {
436 /// @brief Get the Hint/Name entry RVA. isOrdinal must be false.
437 uint32_t getHintNameRVA() const {
438 assert(!isOrdinal() && "ILT entry is not a Hint/Name RVA!");
442 /// @brief Set the Hint/Name entry RVA and set isOrdinal to false.
443 void setHintNameRVA(uint32_t rva) { data = rva; }
446 /// @brief The DOS compatible header at the front of all PEs.
449 uint16_t UsedBytesInTheLastPage;
450 uint16_t FileSizeInPages;
451 uint16_t NumberOfRelocationItems;
452 uint16_t HeaderSizeInParagraphs;
453 uint16_t MinimumExtraParagraphs;
454 uint16_t MaximumExtraParagraphs;
455 uint16_t InitialRelativeSS;
459 uint16_t InitialRelativeCS;
460 uint16_t AddressOfRelocationTable;
461 uint16_t OverlayNumber;
462 uint16_t Reserved[4];
465 uint16_t Reserved2[10];
466 uint32_t AddressOfNewExeHeader;
476 uint8_t MajorLinkerVersion;
477 uint8_t MinorLinkerVersion;
479 uint32_t SizeOfInitializedData;
480 uint32_t SizeOfUninitializedData;
481 uint32_t AddressOfEntryPoint; // RVA
482 uint32_t BaseOfCode; // RVA
483 uint32_t BaseOfData; // RVA
485 uint32_t SectionAlignment;
486 uint32_t FileAlignment;
487 uint16_t MajorOperatingSystemVersion;
488 uint16_t MinorOperatingSystemVersion;
489 uint16_t MajorImageVersion;
490 uint16_t MinorImageVersion;
491 uint16_t MajorSubsystemVersion;
492 uint16_t MinorSubsystemVersion;
493 uint32_t Win32VersionValue;
494 uint32_t SizeOfImage;
495 uint32_t SizeOfHeaders;
498 uint16_t DLLCharacteristics;
499 uint32_t SizeOfStackReserve;
500 uint32_t SizeOfStackCommit;
501 uint32_t SizeOfHeapReserve;
502 uint32_t SizeOfHeapCommit;
503 uint32_t LoaderFlags;
504 uint32_t NumberOfRvaAndSize;
507 struct DataDirectory {
508 uint32_t RelativeVirtualAddress;
512 enum DataDirectoryIndex {
518 BASE_RELOCATION_TABLE,
526 DELAY_IMPORT_DESCRIPTOR,
530 enum WindowsSubsystem {
531 IMAGE_SUBSYSTEM_UNKNOWN = 0, ///< An unknown subsystem.
532 IMAGE_SUBSYSTEM_NATIVE = 1, ///< Device drivers and native Windows processes
533 IMAGE_SUBSYSTEM_WINDOWS_GUI = 2, ///< The Windows GUI subsystem.
534 IMAGE_SUBSYSTEM_WINDOWS_CUI = 3, ///< The Windows character subsystem.
535 IMAGE_SUBSYSTEM_OS2_CUI = 5, ///< The OS/2 character subsytem.
536 IMAGE_SUBSYSTEM_POSIX_CUI = 7, ///< The POSIX character subsystem.
537 IMAGE_SUBSYSTEM_NATIVE_WINDOWS = 8, ///< Native Windows 9x driver.
538 IMAGE_SUBSYSTEM_WINDOWS_CE_GUI = 9, ///< Windows CE.
539 IMAGE_SUBSYSTEM_EFI_APPLICATION = 10, ///< An EFI application.
540 IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER = 11, ///< An EFI driver with boot
542 IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER = 12, ///< An EFI driver with run-time
544 IMAGE_SUBSYSTEM_EFI_ROM = 13, ///< An EFI ROM image.
545 IMAGE_SUBSYSTEM_XBOX = 14, ///< XBOX.
546 IMAGE_SUBSYSTEM_WINDOWS_BOOT_APPLICATION = 16 ///< A BCD application.
549 enum DLLCharacteristics {
550 /// ASLR with 64 bit address space.
551 IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA = 0x0020,
552 /// DLL can be relocated at load time.
553 IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE = 0x0040,
554 /// Code integrity checks are enforced.
555 IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY = 0x0080,
556 IMAGE_DLL_CHARACTERISTICS_NX_COMPAT = 0x0100, ///< Image is NX compatible.
557 /// Isolation aware, but do not isolate the image.
558 IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION = 0x0200,
559 /// Does not use structured exception handling (SEH). No SEH handler may be
560 /// called in this image.
561 IMAGE_DLL_CHARACTERISTICS_NO_SEH = 0x0400,
562 /// Do not bind the image.
563 IMAGE_DLL_CHARACTERISTICS_NO_BIND = 0x0800,
564 IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER = 0x2000, ///< A WDM driver.
565 /// Terminal Server aware.
566 IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE = 0x8000
570 IMAGE_DEBUG_TYPE_UNKNOWN = 0,
571 IMAGE_DEBUG_TYPE_COFF = 1,
572 IMAGE_DEBUG_TYPE_CODEVIEW = 2,
573 IMAGE_DEBUG_TYPE_FPO = 3,
574 IMAGE_DEBUG_TYPE_MISC = 4,
575 IMAGE_DEBUG_TYPE_EXCEPTION = 5,
576 IMAGE_DEBUG_TYPE_FIXUP = 6,
577 IMAGE_DEBUG_TYPE_OMAP_TO_SRC = 7,
578 IMAGE_DEBUG_TYPE_OMAP_FROM_SRC = 8,
579 IMAGE_DEBUG_TYPE_BORLAND = 9,
580 IMAGE_DEBUG_TYPE_CLSID = 11
583 enum BaseRelocationType {
584 IMAGE_REL_BASED_ABSOLUTE = 0,
585 IMAGE_REL_BASED_HIGH = 1,
586 IMAGE_REL_BASED_LOW = 2,
587 IMAGE_REL_BASED_HIGHLOW = 3,
588 IMAGE_REL_BASED_HIGHADJ = 4,
589 IMAGE_REL_BASED_MIPS_JMPADDR = 5,
590 IMAGE_REL_BASED_ARM_MOV32A = 5,
591 IMAGE_REL_BASED_ARM_MOV32T = 7,
592 IMAGE_REL_BASED_MIPS_JMPADDR16 = 9,
593 IMAGE_REL_BASED_DIR64 = 10
602 enum ImportNameType {
603 /// Import is by ordinal. This indicates that the value in the Ordinal/Hint
604 /// field of the import header is the import's ordinal. If this constant is
605 /// not specified, then the Ordinal/Hint field should always be interpreted
606 /// as the import's hint.
608 /// The import name is identical to the public symbol name
610 /// The import name is the public symbol name, but skipping the leading ?,
611 /// @, or optionally _.
612 IMPORT_NAME_NOPREFIX = 2,
613 /// The import name is the public symbol name, but skipping the leading ?,
614 /// @, or optionally _, and truncating at the first @.
615 IMPORT_NAME_UNDECORATE = 3
618 struct ImportHeader {
619 uint16_t Sig1; ///< Must be IMAGE_FILE_MACHINE_UNKNOWN (0).
620 uint16_t Sig2; ///< Must be 0xFFFF.
623 uint32_t TimeDateStamp;
625 uint16_t OrdinalHint;
628 ImportType getType() const {
629 return static_cast<ImportType>(TypeInfo & 0x3);
632 ImportNameType getNameType() const {
633 return static_cast<ImportNameType>((TypeInfo & 0x1C) >> 3);
637 enum CodeViewLineTableIdentifiers {
638 DEBUG_SECTION_MAGIC = 0x4,
639 DEBUG_LINE_TABLE_SUBSECTION = 0xF2,
640 DEBUG_STRING_TABLE_SUBSECTION = 0xF3,
641 DEBUG_INDEX_SUBSECTION = 0xF4
644 inline bool isReservedSectionNumber(int N) {
645 return N == IMAGE_SYM_UNDEFINED || N > MaxNumberOfSections;
648 } // End namespace COFF.
649 } // End namespace llvm.