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 int32_t MaxNumberOfSections16 = 65279;
36 // The PE signature bytes that follows the DOS stub header.
37 static const char PEMagic[] = { 'P', 'E', '\0', '\0' };
39 static const char BigObjMagic[] = {
40 '\xc7', '\xa1', '\xba', '\xd1', '\xee', '\xba', '\xa9', '\x4b',
41 '\xaf', '\x20', '\xfa', '\xf6', '\x6a', '\xa4', '\xdc', '\xb8',
44 // Sizes in bytes of various things in the COFF format.
57 int32_t NumberOfSections;
58 uint32_t TimeDateStamp;
59 uint32_t PointerToSymbolTable;
60 uint32_t NumberOfSymbols;
61 uint16_t SizeOfOptionalHeader;
62 uint16_t Characteristics;
66 enum : uint16_t { MinBigObjectVersion = 2 };
68 uint16_t Sig1; ///< Must be IMAGE_FILE_MACHINE_UNKNOWN (0).
69 uint16_t Sig2; ///< Must be 0xFFFF.
72 uint32_t TimeDateStamp;
78 uint32_t NumberOfSections;
79 uint32_t PointerToSymbolTable;
80 uint32_t NumberOfSymbols;
86 IMAGE_FILE_MACHINE_UNKNOWN = 0x0,
87 IMAGE_FILE_MACHINE_AM33 = 0x13,
88 IMAGE_FILE_MACHINE_AMD64 = 0x8664,
89 IMAGE_FILE_MACHINE_ARM = 0x1C0,
90 IMAGE_FILE_MACHINE_ARMNT = 0x1C4,
91 IMAGE_FILE_MACHINE_ARM64 = 0xAA64,
92 IMAGE_FILE_MACHINE_EBC = 0xEBC,
93 IMAGE_FILE_MACHINE_I386 = 0x14C,
94 IMAGE_FILE_MACHINE_IA64 = 0x200,
95 IMAGE_FILE_MACHINE_M32R = 0x9041,
96 IMAGE_FILE_MACHINE_MIPS16 = 0x266,
97 IMAGE_FILE_MACHINE_MIPSFPU = 0x366,
98 IMAGE_FILE_MACHINE_MIPSFPU16 = 0x466,
99 IMAGE_FILE_MACHINE_POWERPC = 0x1F0,
100 IMAGE_FILE_MACHINE_POWERPCFP = 0x1F1,
101 IMAGE_FILE_MACHINE_R4000 = 0x166,
102 IMAGE_FILE_MACHINE_SH3 = 0x1A2,
103 IMAGE_FILE_MACHINE_SH3DSP = 0x1A3,
104 IMAGE_FILE_MACHINE_SH4 = 0x1A6,
105 IMAGE_FILE_MACHINE_SH5 = 0x1A8,
106 IMAGE_FILE_MACHINE_THUMB = 0x1C2,
107 IMAGE_FILE_MACHINE_WCEMIPSV2 = 0x169
110 enum Characteristics {
113 /// The file does not contain base relocations and must be loaded at its
114 /// preferred base. If this cannot be done, the loader will error.
115 IMAGE_FILE_RELOCS_STRIPPED = 0x0001,
116 /// The file is valid and can be run.
117 IMAGE_FILE_EXECUTABLE_IMAGE = 0x0002,
118 /// COFF line numbers have been stripped. This is deprecated and should be
120 IMAGE_FILE_LINE_NUMS_STRIPPED = 0x0004,
121 /// COFF symbol table entries for local symbols have been removed. This is
122 /// deprecated and should be 0.
123 IMAGE_FILE_LOCAL_SYMS_STRIPPED = 0x0008,
124 /// Aggressively trim working set. This is deprecated and must be 0.
125 IMAGE_FILE_AGGRESSIVE_WS_TRIM = 0x0010,
126 /// Image can handle > 2GiB addresses.
127 IMAGE_FILE_LARGE_ADDRESS_AWARE = 0x0020,
128 /// Little endian: the LSB precedes the MSB in memory. This is deprecated
130 IMAGE_FILE_BYTES_REVERSED_LO = 0x0080,
131 /// Machine is based on a 32bit word architecture.
132 IMAGE_FILE_32BIT_MACHINE = 0x0100,
133 /// Debugging info has been removed.
134 IMAGE_FILE_DEBUG_STRIPPED = 0x0200,
135 /// If the image is on removable media, fully load it and copy it to swap.
136 IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP = 0x0400,
137 /// If the image is on network media, fully load it and copy it to swap.
138 IMAGE_FILE_NET_RUN_FROM_SWAP = 0x0800,
139 /// The image file is a system file, not a user program.
140 IMAGE_FILE_SYSTEM = 0x1000,
141 /// The image file is a DLL.
142 IMAGE_FILE_DLL = 0x2000,
143 /// This file should only be run on a uniprocessor machine.
144 IMAGE_FILE_UP_SYSTEM_ONLY = 0x4000,
145 /// Big endian: the MSB precedes the LSB in memory. This is deprecated
147 IMAGE_FILE_BYTES_REVERSED_HI = 0x8000
153 int32_t SectionNumber;
155 uint8_t StorageClass;
156 uint8_t NumberOfAuxSymbols;
159 enum SymbolSectionNumber : int32_t {
160 IMAGE_SYM_DEBUG = -2,
161 IMAGE_SYM_ABSOLUTE = -1,
162 IMAGE_SYM_UNDEFINED = 0
165 /// Storage class tells where and what the symbol represents
166 enum SymbolStorageClass {
169 IMAGE_SYM_CLASS_END_OF_FUNCTION = -1, ///< Physical end of function
170 IMAGE_SYM_CLASS_NULL = 0, ///< No symbol
171 IMAGE_SYM_CLASS_AUTOMATIC = 1, ///< Stack variable
172 IMAGE_SYM_CLASS_EXTERNAL = 2, ///< External symbol
173 IMAGE_SYM_CLASS_STATIC = 3, ///< Static
174 IMAGE_SYM_CLASS_REGISTER = 4, ///< Register variable
175 IMAGE_SYM_CLASS_EXTERNAL_DEF = 5, ///< External definition
176 IMAGE_SYM_CLASS_LABEL = 6, ///< Label
177 IMAGE_SYM_CLASS_UNDEFINED_LABEL = 7, ///< Undefined label
178 IMAGE_SYM_CLASS_MEMBER_OF_STRUCT = 8, ///< Member of structure
179 IMAGE_SYM_CLASS_ARGUMENT = 9, ///< Function argument
180 IMAGE_SYM_CLASS_STRUCT_TAG = 10, ///< Structure tag
181 IMAGE_SYM_CLASS_MEMBER_OF_UNION = 11, ///< Member of union
182 IMAGE_SYM_CLASS_UNION_TAG = 12, ///< Union tag
183 IMAGE_SYM_CLASS_TYPE_DEFINITION = 13, ///< Type definition
184 IMAGE_SYM_CLASS_UNDEFINED_STATIC = 14, ///< Undefined static
185 IMAGE_SYM_CLASS_ENUM_TAG = 15, ///< Enumeration tag
186 IMAGE_SYM_CLASS_MEMBER_OF_ENUM = 16, ///< Member of enumeration
187 IMAGE_SYM_CLASS_REGISTER_PARAM = 17, ///< Register parameter
188 IMAGE_SYM_CLASS_BIT_FIELD = 18, ///< Bit field
189 /// ".bb" or ".eb" - beginning or end of block
190 IMAGE_SYM_CLASS_BLOCK = 100,
191 /// ".bf" or ".ef" - beginning or end of function
192 IMAGE_SYM_CLASS_FUNCTION = 101,
193 IMAGE_SYM_CLASS_END_OF_STRUCT = 102, ///< End of structure
194 IMAGE_SYM_CLASS_FILE = 103, ///< File name
195 /// Line number, reformatted as symbol
196 IMAGE_SYM_CLASS_SECTION = 104,
197 IMAGE_SYM_CLASS_WEAK_EXTERNAL = 105, ///< Duplicate tag
198 /// External symbol in dmert public lib
199 IMAGE_SYM_CLASS_CLR_TOKEN = 107
202 enum SymbolBaseType {
203 IMAGE_SYM_TYPE_NULL = 0, ///< No type information or unknown base type.
204 IMAGE_SYM_TYPE_VOID = 1, ///< Used with void pointers and functions.
205 IMAGE_SYM_TYPE_CHAR = 2, ///< A character (signed byte).
206 IMAGE_SYM_TYPE_SHORT = 3, ///< A 2-byte signed integer.
207 IMAGE_SYM_TYPE_INT = 4, ///< A natural integer type on the target.
208 IMAGE_SYM_TYPE_LONG = 5, ///< A 4-byte signed integer.
209 IMAGE_SYM_TYPE_FLOAT = 6, ///< A 4-byte floating-point number.
210 IMAGE_SYM_TYPE_DOUBLE = 7, ///< An 8-byte floating-point number.
211 IMAGE_SYM_TYPE_STRUCT = 8, ///< A structure.
212 IMAGE_SYM_TYPE_UNION = 9, ///< An union.
213 IMAGE_SYM_TYPE_ENUM = 10, ///< An enumerated type.
214 IMAGE_SYM_TYPE_MOE = 11, ///< A member of enumeration (a specific value).
215 IMAGE_SYM_TYPE_BYTE = 12, ///< A byte; unsigned 1-byte integer.
216 IMAGE_SYM_TYPE_WORD = 13, ///< A word; unsigned 2-byte integer.
217 IMAGE_SYM_TYPE_UINT = 14, ///< An unsigned integer of natural size.
218 IMAGE_SYM_TYPE_DWORD = 15 ///< An unsigned 4-byte integer.
221 enum SymbolComplexType {
222 IMAGE_SYM_DTYPE_NULL = 0, ///< No complex type; simple scalar variable.
223 IMAGE_SYM_DTYPE_POINTER = 1, ///< A pointer to base type.
224 IMAGE_SYM_DTYPE_FUNCTION = 2, ///< A function that returns a base type.
225 IMAGE_SYM_DTYPE_ARRAY = 3, ///< An array of base type.
227 /// Type is formed as (base + (derived << SCT_COMPLEX_TYPE_SHIFT))
228 SCT_COMPLEX_TYPE_SHIFT = 4
232 IMAGE_AUX_SYMBOL_TYPE_TOKEN_DEF = 1
237 uint32_t VirtualSize;
238 uint32_t VirtualAddress;
239 uint32_t SizeOfRawData;
240 uint32_t PointerToRawData;
241 uint32_t PointerToRelocations;
242 uint32_t PointerToLineNumbers;
243 uint16_t NumberOfRelocations;
244 uint16_t NumberOfLineNumbers;
245 uint32_t Characteristics;
248 enum SectionCharacteristics : uint32_t {
249 SC_Invalid = 0xffffffff,
251 IMAGE_SCN_TYPE_NO_PAD = 0x00000008,
252 IMAGE_SCN_CNT_CODE = 0x00000020,
253 IMAGE_SCN_CNT_INITIALIZED_DATA = 0x00000040,
254 IMAGE_SCN_CNT_UNINITIALIZED_DATA = 0x00000080,
255 IMAGE_SCN_LNK_OTHER = 0x00000100,
256 IMAGE_SCN_LNK_INFO = 0x00000200,
257 IMAGE_SCN_LNK_REMOVE = 0x00000800,
258 IMAGE_SCN_LNK_COMDAT = 0x00001000,
259 IMAGE_SCN_GPREL = 0x00008000,
260 IMAGE_SCN_MEM_PURGEABLE = 0x00020000,
261 IMAGE_SCN_MEM_16BIT = 0x00020000,
262 IMAGE_SCN_MEM_LOCKED = 0x00040000,
263 IMAGE_SCN_MEM_PRELOAD = 0x00080000,
264 IMAGE_SCN_ALIGN_1BYTES = 0x00100000,
265 IMAGE_SCN_ALIGN_2BYTES = 0x00200000,
266 IMAGE_SCN_ALIGN_4BYTES = 0x00300000,
267 IMAGE_SCN_ALIGN_8BYTES = 0x00400000,
268 IMAGE_SCN_ALIGN_16BYTES = 0x00500000,
269 IMAGE_SCN_ALIGN_32BYTES = 0x00600000,
270 IMAGE_SCN_ALIGN_64BYTES = 0x00700000,
271 IMAGE_SCN_ALIGN_128BYTES = 0x00800000,
272 IMAGE_SCN_ALIGN_256BYTES = 0x00900000,
273 IMAGE_SCN_ALIGN_512BYTES = 0x00A00000,
274 IMAGE_SCN_ALIGN_1024BYTES = 0x00B00000,
275 IMAGE_SCN_ALIGN_2048BYTES = 0x00C00000,
276 IMAGE_SCN_ALIGN_4096BYTES = 0x00D00000,
277 IMAGE_SCN_ALIGN_8192BYTES = 0x00E00000,
278 IMAGE_SCN_LNK_NRELOC_OVFL = 0x01000000,
279 IMAGE_SCN_MEM_DISCARDABLE = 0x02000000,
280 IMAGE_SCN_MEM_NOT_CACHED = 0x04000000,
281 IMAGE_SCN_MEM_NOT_PAGED = 0x08000000,
282 IMAGE_SCN_MEM_SHARED = 0x10000000,
283 IMAGE_SCN_MEM_EXECUTE = 0x20000000,
284 IMAGE_SCN_MEM_READ = 0x40000000,
285 IMAGE_SCN_MEM_WRITE = 0x80000000
289 uint32_t VirtualAddress;
290 uint32_t SymbolTableIndex;
294 enum RelocationTypeI386 {
295 IMAGE_REL_I386_ABSOLUTE = 0x0000,
296 IMAGE_REL_I386_DIR16 = 0x0001,
297 IMAGE_REL_I386_REL16 = 0x0002,
298 IMAGE_REL_I386_DIR32 = 0x0006,
299 IMAGE_REL_I386_DIR32NB = 0x0007,
300 IMAGE_REL_I386_SEG12 = 0x0009,
301 IMAGE_REL_I386_SECTION = 0x000A,
302 IMAGE_REL_I386_SECREL = 0x000B,
303 IMAGE_REL_I386_TOKEN = 0x000C,
304 IMAGE_REL_I386_SECREL7 = 0x000D,
305 IMAGE_REL_I386_REL32 = 0x0014
308 enum RelocationTypeAMD64 {
309 IMAGE_REL_AMD64_ABSOLUTE = 0x0000,
310 IMAGE_REL_AMD64_ADDR64 = 0x0001,
311 IMAGE_REL_AMD64_ADDR32 = 0x0002,
312 IMAGE_REL_AMD64_ADDR32NB = 0x0003,
313 IMAGE_REL_AMD64_REL32 = 0x0004,
314 IMAGE_REL_AMD64_REL32_1 = 0x0005,
315 IMAGE_REL_AMD64_REL32_2 = 0x0006,
316 IMAGE_REL_AMD64_REL32_3 = 0x0007,
317 IMAGE_REL_AMD64_REL32_4 = 0x0008,
318 IMAGE_REL_AMD64_REL32_5 = 0x0009,
319 IMAGE_REL_AMD64_SECTION = 0x000A,
320 IMAGE_REL_AMD64_SECREL = 0x000B,
321 IMAGE_REL_AMD64_SECREL7 = 0x000C,
322 IMAGE_REL_AMD64_TOKEN = 0x000D,
323 IMAGE_REL_AMD64_SREL32 = 0x000E,
324 IMAGE_REL_AMD64_PAIR = 0x000F,
325 IMAGE_REL_AMD64_SSPAN32 = 0x0010
328 enum RelocationTypesARM {
329 IMAGE_REL_ARM_ABSOLUTE = 0x0000,
330 IMAGE_REL_ARM_ADDR32 = 0x0001,
331 IMAGE_REL_ARM_ADDR32NB = 0x0002,
332 IMAGE_REL_ARM_BRANCH24 = 0x0003,
333 IMAGE_REL_ARM_BRANCH11 = 0x0004,
334 IMAGE_REL_ARM_TOKEN = 0x0005,
335 IMAGE_REL_ARM_BLX24 = 0x0008,
336 IMAGE_REL_ARM_BLX11 = 0x0009,
337 IMAGE_REL_ARM_SECTION = 0x000E,
338 IMAGE_REL_ARM_SECREL = 0x000F,
339 IMAGE_REL_ARM_MOV32A = 0x0010,
340 IMAGE_REL_ARM_MOV32T = 0x0011,
341 IMAGE_REL_ARM_BRANCH20T = 0x0012,
342 IMAGE_REL_ARM_BRANCH24T = 0x0014,
343 IMAGE_REL_ARM_BLX23T = 0x0015
347 IMAGE_COMDAT_SELECT_NODUPLICATES = 1,
348 IMAGE_COMDAT_SELECT_ANY,
349 IMAGE_COMDAT_SELECT_SAME_SIZE,
350 IMAGE_COMDAT_SELECT_EXACT_MATCH,
351 IMAGE_COMDAT_SELECT_ASSOCIATIVE,
352 IMAGE_COMDAT_SELECT_LARGEST,
353 IMAGE_COMDAT_SELECT_NEWEST
356 // Auxiliary Symbol Formats
357 struct AuxiliaryFunctionDefinition {
360 uint32_t PointerToLinenumber;
361 uint32_t PointerToNextFunction;
365 struct AuxiliarybfAndefSymbol {
369 uint32_t PointerToNextFunction;
373 struct AuxiliaryWeakExternal {
375 uint32_t Characteristics;
379 /// These are not documented in the spec, but are located in WinNT.h.
380 enum WeakExternalCharacteristics {
381 IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY = 1,
382 IMAGE_WEAK_EXTERN_SEARCH_LIBRARY = 2,
383 IMAGE_WEAK_EXTERN_SEARCH_ALIAS = 3
386 struct AuxiliarySectionDefinition {
388 uint16_t NumberOfRelocations;
389 uint16_t NumberOfLinenumbers;
396 struct AuxiliaryCLRToken {
399 uint32_t SymbolTableIndex;
404 AuxiliaryFunctionDefinition FunctionDefinition;
405 AuxiliarybfAndefSymbol bfAndefSymbol;
406 AuxiliaryWeakExternal WeakExternal;
407 AuxiliarySectionDefinition SectionDefinition;
410 /// @brief The Import Directory Table.
412 /// There is a single array of these and one entry per imported DLL.
413 struct ImportDirectoryTableEntry {
414 uint32_t ImportLookupTableRVA;
415 uint32_t TimeDateStamp;
416 uint32_t ForwarderChain;
418 uint32_t ImportAddressTableRVA;
421 /// @brief The PE32 Import Lookup Table.
423 /// There is an array of these for each imported DLL. It represents either
424 /// the ordinal to import from the target DLL, or a name to lookup and import
425 /// from the target DLL.
427 /// This also happens to be the same format used by the Import Address Table
428 /// when it is initially written out to the image.
429 struct ImportLookupTableEntry32 {
432 /// @brief Is this entry specified by ordinal, or name?
433 bool isOrdinal() const { return data & 0x80000000; }
435 /// @brief Get the ordinal value of this entry. isOrdinal must be true.
436 uint16_t getOrdinal() const {
437 assert(isOrdinal() && "ILT entry is not an ordinal!");
438 return data & 0xFFFF;
441 /// @brief Set the ordinal value and set isOrdinal to true.
442 void setOrdinal(uint16_t o) {
447 /// @brief Get the Hint/Name entry RVA. isOrdinal must be false.
448 uint32_t getHintNameRVA() const {
449 assert(!isOrdinal() && "ILT entry is not a Hint/Name RVA!");
453 /// @brief Set the Hint/Name entry RVA and set isOrdinal to false.
454 void setHintNameRVA(uint32_t rva) { data = rva; }
457 /// @brief The DOS compatible header at the front of all PEs.
460 uint16_t UsedBytesInTheLastPage;
461 uint16_t FileSizeInPages;
462 uint16_t NumberOfRelocationItems;
463 uint16_t HeaderSizeInParagraphs;
464 uint16_t MinimumExtraParagraphs;
465 uint16_t MaximumExtraParagraphs;
466 uint16_t InitialRelativeSS;
470 uint16_t InitialRelativeCS;
471 uint16_t AddressOfRelocationTable;
472 uint16_t OverlayNumber;
473 uint16_t Reserved[4];
476 uint16_t Reserved2[10];
477 uint32_t AddressOfNewExeHeader;
487 uint8_t MajorLinkerVersion;
488 uint8_t MinorLinkerVersion;
490 uint32_t SizeOfInitializedData;
491 uint32_t SizeOfUninitializedData;
492 uint32_t AddressOfEntryPoint; // RVA
493 uint32_t BaseOfCode; // RVA
494 uint32_t BaseOfData; // RVA
496 uint32_t SectionAlignment;
497 uint32_t FileAlignment;
498 uint16_t MajorOperatingSystemVersion;
499 uint16_t MinorOperatingSystemVersion;
500 uint16_t MajorImageVersion;
501 uint16_t MinorImageVersion;
502 uint16_t MajorSubsystemVersion;
503 uint16_t MinorSubsystemVersion;
504 uint32_t Win32VersionValue;
505 uint32_t SizeOfImage;
506 uint32_t SizeOfHeaders;
509 // FIXME: This should be DllCharacteristics to match the COFF spec.
510 uint16_t DLLCharacteristics;
511 uint32_t SizeOfStackReserve;
512 uint32_t SizeOfStackCommit;
513 uint32_t SizeOfHeapReserve;
514 uint32_t SizeOfHeapCommit;
515 uint32_t LoaderFlags;
516 // FIXME: This should be NumberOfRvaAndSizes to match the COFF spec.
517 uint32_t NumberOfRvaAndSize;
520 struct DataDirectory {
521 uint32_t RelativeVirtualAddress;
525 enum DataDirectoryIndex {
531 BASE_RELOCATION_TABLE,
539 DELAY_IMPORT_DESCRIPTOR,
545 enum WindowsSubsystem {
546 IMAGE_SUBSYSTEM_UNKNOWN = 0, ///< An unknown subsystem.
547 IMAGE_SUBSYSTEM_NATIVE = 1, ///< Device drivers and native Windows processes
548 IMAGE_SUBSYSTEM_WINDOWS_GUI = 2, ///< The Windows GUI subsystem.
549 IMAGE_SUBSYSTEM_WINDOWS_CUI = 3, ///< The Windows character subsystem.
550 IMAGE_SUBSYSTEM_OS2_CUI = 5, ///< The OS/2 character subsytem.
551 IMAGE_SUBSYSTEM_POSIX_CUI = 7, ///< The POSIX character subsystem.
552 IMAGE_SUBSYSTEM_NATIVE_WINDOWS = 8, ///< Native Windows 9x driver.
553 IMAGE_SUBSYSTEM_WINDOWS_CE_GUI = 9, ///< Windows CE.
554 IMAGE_SUBSYSTEM_EFI_APPLICATION = 10, ///< An EFI application.
555 IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER = 11, ///< An EFI driver with boot
557 IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER = 12, ///< An EFI driver with run-time
559 IMAGE_SUBSYSTEM_EFI_ROM = 13, ///< An EFI ROM image.
560 IMAGE_SUBSYSTEM_XBOX = 14, ///< XBOX.
561 IMAGE_SUBSYSTEM_WINDOWS_BOOT_APPLICATION = 16 ///< A BCD application.
564 enum DLLCharacteristics {
565 /// ASLR with 64 bit address space.
566 IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA = 0x0020,
567 /// DLL can be relocated at load time.
568 IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE = 0x0040,
569 /// Code integrity checks are enforced.
570 IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY = 0x0080,
571 ///< Image is NX compatible.
572 IMAGE_DLL_CHARACTERISTICS_NX_COMPAT = 0x0100,
573 /// Isolation aware, but do not isolate the image.
574 IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION = 0x0200,
575 /// Does not use structured exception handling (SEH). No SEH handler may be
576 /// called in this image.
577 IMAGE_DLL_CHARACTERISTICS_NO_SEH = 0x0400,
578 /// Do not bind the image.
579 IMAGE_DLL_CHARACTERISTICS_NO_BIND = 0x0800,
580 ///< Image should execute in an AppContainer.
581 IMAGE_DLL_CHARACTERISTICS_APPCONTAINER = 0x1000,
583 IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER = 0x2000,
584 ///< Image supports Control Flow Guard.
585 IMAGE_DLL_CHARACTERISTICS_GUARD_CF = 0x4000,
586 /// Terminal Server aware.
587 IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE = 0x8000
591 IMAGE_DEBUG_TYPE_UNKNOWN = 0,
592 IMAGE_DEBUG_TYPE_COFF = 1,
593 IMAGE_DEBUG_TYPE_CODEVIEW = 2,
594 IMAGE_DEBUG_TYPE_FPO = 3,
595 IMAGE_DEBUG_TYPE_MISC = 4,
596 IMAGE_DEBUG_TYPE_EXCEPTION = 5,
597 IMAGE_DEBUG_TYPE_FIXUP = 6,
598 IMAGE_DEBUG_TYPE_OMAP_TO_SRC = 7,
599 IMAGE_DEBUG_TYPE_OMAP_FROM_SRC = 8,
600 IMAGE_DEBUG_TYPE_BORLAND = 9,
601 IMAGE_DEBUG_TYPE_CLSID = 11
604 enum BaseRelocationType {
605 IMAGE_REL_BASED_ABSOLUTE = 0,
606 IMAGE_REL_BASED_HIGH = 1,
607 IMAGE_REL_BASED_LOW = 2,
608 IMAGE_REL_BASED_HIGHLOW = 3,
609 IMAGE_REL_BASED_HIGHADJ = 4,
610 IMAGE_REL_BASED_MIPS_JMPADDR = 5,
611 IMAGE_REL_BASED_ARM_MOV32A = 5,
612 IMAGE_REL_BASED_ARM_MOV32T = 7,
613 IMAGE_REL_BASED_MIPS_JMPADDR16 = 9,
614 IMAGE_REL_BASED_DIR64 = 10
623 enum ImportNameType {
624 /// Import is by ordinal. This indicates that the value in the Ordinal/Hint
625 /// field of the import header is the import's ordinal. If this constant is
626 /// not specified, then the Ordinal/Hint field should always be interpreted
627 /// as the import's hint.
629 /// The import name is identical to the public symbol name
631 /// The import name is the public symbol name, but skipping the leading ?,
632 /// @, or optionally _.
633 IMPORT_NAME_NOPREFIX = 2,
634 /// The import name is the public symbol name, but skipping the leading ?,
635 /// @, or optionally _, and truncating at the first @.
636 IMPORT_NAME_UNDECORATE = 3
639 struct ImportHeader {
640 uint16_t Sig1; ///< Must be IMAGE_FILE_MACHINE_UNKNOWN (0).
641 uint16_t Sig2; ///< Must be 0xFFFF.
644 uint32_t TimeDateStamp;
646 uint16_t OrdinalHint;
649 ImportType getType() const {
650 return static_cast<ImportType>(TypeInfo & 0x3);
653 ImportNameType getNameType() const {
654 return static_cast<ImportNameType>((TypeInfo & 0x1C) >> 3);
658 enum CodeViewIdentifiers {
659 DEBUG_LINE_TABLES_HAVE_COLUMN_RECORDS = 0x1,
660 DEBUG_SECTION_MAGIC = 0x4,
661 DEBUG_SYMBOL_SUBSECTION = 0xF1,
662 DEBUG_LINE_TABLE_SUBSECTION = 0xF2,
663 DEBUG_STRING_TABLE_SUBSECTION = 0xF3,
664 DEBUG_INDEX_SUBSECTION = 0xF4,
666 // Symbol subsections are split into records of different types.
667 DEBUG_SYMBOL_TYPE_PROC_START = 0x1147,
668 DEBUG_SYMBOL_TYPE_PROC_END = 0x114F
671 inline bool isReservedSectionNumber(int32_t SectionNumber) {
672 return SectionNumber <= 0;
675 } // End namespace COFF.
676 } // End namespace llvm.