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 PE signature bytes that follows the DOS stub header.
34 static const char PEMagic[] = { 'P', 'E', '\0', '\0' };
36 // Sizes in bytes of various things in the COFF format.
47 uint16_t NumberOfSections;
48 uint32_t TimeDateStamp;
49 uint32_t PointerToSymbolTable;
50 uint32_t NumberOfSymbols;
51 uint16_t SizeOfOptionalHeader;
52 uint16_t Characteristics;
58 IMAGE_FILE_MACHINE_UNKNOWN = 0x0,
59 IMAGE_FILE_MACHINE_AM33 = 0x13,
60 IMAGE_FILE_MACHINE_AMD64 = 0x8664,
61 IMAGE_FILE_MACHINE_ARM = 0x1C0,
62 IMAGE_FILE_MACHINE_ARMV7 = 0x1C4,
63 IMAGE_FILE_MACHINE_EBC = 0xEBC,
64 IMAGE_FILE_MACHINE_I386 = 0x14C,
65 IMAGE_FILE_MACHINE_IA64 = 0x200,
66 IMAGE_FILE_MACHINE_M32R = 0x9041,
67 IMAGE_FILE_MACHINE_MIPS16 = 0x266,
68 IMAGE_FILE_MACHINE_MIPSFPU = 0x366,
69 IMAGE_FILE_MACHINE_MIPSFPU16 = 0x466,
70 IMAGE_FILE_MACHINE_POWERPC = 0x1F0,
71 IMAGE_FILE_MACHINE_POWERPCFP = 0x1F1,
72 IMAGE_FILE_MACHINE_R4000 = 0x166,
73 IMAGE_FILE_MACHINE_SH3 = 0x1A2,
74 IMAGE_FILE_MACHINE_SH3DSP = 0x1A3,
75 IMAGE_FILE_MACHINE_SH4 = 0x1A6,
76 IMAGE_FILE_MACHINE_SH5 = 0x1A8,
77 IMAGE_FILE_MACHINE_THUMB = 0x1C2,
78 IMAGE_FILE_MACHINE_WCEMIPSV2 = 0x169
81 enum Characteristics {
84 /// The file does not contain base relocations and must be loaded at its
85 /// preferred base. If this cannot be done, the loader will error.
86 IMAGE_FILE_RELOCS_STRIPPED = 0x0001,
87 /// The file is valid and can be run.
88 IMAGE_FILE_EXECUTABLE_IMAGE = 0x0002,
89 /// COFF line numbers have been stripped. This is deprecated and should be
91 IMAGE_FILE_LINE_NUMS_STRIPPED = 0x0004,
92 /// COFF symbol table entries for local symbols have been removed. This is
93 /// deprecated and should be 0.
94 IMAGE_FILE_LOCAL_SYMS_STRIPPED = 0x0008,
95 /// Aggressively trim working set. This is deprecated and must be 0.
96 IMAGE_FILE_AGGRESSIVE_WS_TRIM = 0x0010,
97 /// Image can handle > 2GiB addresses.
98 IMAGE_FILE_LARGE_ADDRESS_AWARE = 0x0020,
99 /// Little endian: the LSB precedes the MSB in memory. This is deprecated
101 IMAGE_FILE_BYTES_REVERSED_LO = 0x0080,
102 /// Machine is based on a 32bit word architecture.
103 IMAGE_FILE_32BIT_MACHINE = 0x0100,
104 /// Debugging info has been removed.
105 IMAGE_FILE_DEBUG_STRIPPED = 0x0200,
106 /// If the image is on removable media, fully load it and copy it to swap.
107 IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP = 0x0400,
108 /// If the image is on network media, fully load it and copy it to swap.
109 IMAGE_FILE_NET_RUN_FROM_SWAP = 0x0800,
110 /// The image file is a system file, not a user program.
111 IMAGE_FILE_SYSTEM = 0x1000,
112 /// The image file is a DLL.
113 IMAGE_FILE_DLL = 0x2000,
114 /// This file should only be run on a uniprocessor machine.
115 IMAGE_FILE_UP_SYSTEM_ONLY = 0x4000,
116 /// Big endian: the MSB precedes the LSB in memory. This is deprecated
118 IMAGE_FILE_BYTES_REVERSED_HI = 0x8000
124 uint16_t SectionNumber;
126 uint8_t StorageClass;
127 uint8_t NumberOfAuxSymbols;
131 SF_TypeMask = 0x0000FFFF,
134 SF_ClassMask = 0x00FF0000,
137 SF_WeakExternal = 0x01000000
140 enum SymbolSectionNumber {
141 IMAGE_SYM_DEBUG = -2,
142 IMAGE_SYM_ABSOLUTE = -1,
143 IMAGE_SYM_UNDEFINED = 0
146 /// Storage class tells where and what the symbol represents
147 enum SymbolStorageClass {
150 IMAGE_SYM_CLASS_END_OF_FUNCTION = -1, ///< Physical end of function
151 IMAGE_SYM_CLASS_NULL = 0, ///< No symbol
152 IMAGE_SYM_CLASS_AUTOMATIC = 1, ///< Stack variable
153 IMAGE_SYM_CLASS_EXTERNAL = 2, ///< External symbol
154 IMAGE_SYM_CLASS_STATIC = 3, ///< Static
155 IMAGE_SYM_CLASS_REGISTER = 4, ///< Register variable
156 IMAGE_SYM_CLASS_EXTERNAL_DEF = 5, ///< External definition
157 IMAGE_SYM_CLASS_LABEL = 6, ///< Label
158 IMAGE_SYM_CLASS_UNDEFINED_LABEL = 7, ///< Undefined label
159 IMAGE_SYM_CLASS_MEMBER_OF_STRUCT = 8, ///< Member of structure
160 IMAGE_SYM_CLASS_ARGUMENT = 9, ///< Function argument
161 IMAGE_SYM_CLASS_STRUCT_TAG = 10, ///< Structure tag
162 IMAGE_SYM_CLASS_MEMBER_OF_UNION = 11, ///< Member of union
163 IMAGE_SYM_CLASS_UNION_TAG = 12, ///< Union tag
164 IMAGE_SYM_CLASS_TYPE_DEFINITION = 13, ///< Type definition
165 IMAGE_SYM_CLASS_UNDEFINED_STATIC = 14, ///< Undefined static
166 IMAGE_SYM_CLASS_ENUM_TAG = 15, ///< Enumeration tag
167 IMAGE_SYM_CLASS_MEMBER_OF_ENUM = 16, ///< Member of enumeration
168 IMAGE_SYM_CLASS_REGISTER_PARAM = 17, ///< Register parameter
169 IMAGE_SYM_CLASS_BIT_FIELD = 18, ///< Bit field
170 /// ".bb" or ".eb" - beginning or end of block
171 IMAGE_SYM_CLASS_BLOCK = 100,
172 /// ".bf" or ".ef" - beginning or end of function
173 IMAGE_SYM_CLASS_FUNCTION = 101,
174 IMAGE_SYM_CLASS_END_OF_STRUCT = 102, ///< End of structure
175 IMAGE_SYM_CLASS_FILE = 103, ///< File name
176 /// Line number, reformatted as symbol
177 IMAGE_SYM_CLASS_SECTION = 104,
178 IMAGE_SYM_CLASS_WEAK_EXTERNAL = 105, ///< Duplicate tag
179 /// External symbol in dmert public lib
180 IMAGE_SYM_CLASS_CLR_TOKEN = 107
183 enum SymbolBaseType {
184 IMAGE_SYM_TYPE_NULL = 0, ///< No type information or unknown base type.
185 IMAGE_SYM_TYPE_VOID = 1, ///< Used with void pointers and functions.
186 IMAGE_SYM_TYPE_CHAR = 2, ///< A character (signed byte).
187 IMAGE_SYM_TYPE_SHORT = 3, ///< A 2-byte signed integer.
188 IMAGE_SYM_TYPE_INT = 4, ///< A natural integer type on the target.
189 IMAGE_SYM_TYPE_LONG = 5, ///< A 4-byte signed integer.
190 IMAGE_SYM_TYPE_FLOAT = 6, ///< A 4-byte floating-point number.
191 IMAGE_SYM_TYPE_DOUBLE = 7, ///< An 8-byte floating-point number.
192 IMAGE_SYM_TYPE_STRUCT = 8, ///< A structure.
193 IMAGE_SYM_TYPE_UNION = 9, ///< An union.
194 IMAGE_SYM_TYPE_ENUM = 10, ///< An enumerated type.
195 IMAGE_SYM_TYPE_MOE = 11, ///< A member of enumeration (a specific value).
196 IMAGE_SYM_TYPE_BYTE = 12, ///< A byte; unsigned 1-byte integer.
197 IMAGE_SYM_TYPE_WORD = 13, ///< A word; unsigned 2-byte integer.
198 IMAGE_SYM_TYPE_UINT = 14, ///< An unsigned integer of natural size.
199 IMAGE_SYM_TYPE_DWORD = 15 ///< An unsigned 4-byte integer.
202 enum SymbolComplexType {
203 IMAGE_SYM_DTYPE_NULL = 0, ///< No complex type; simple scalar variable.
204 IMAGE_SYM_DTYPE_POINTER = 1, ///< A pointer to base type.
205 IMAGE_SYM_DTYPE_FUNCTION = 2, ///< A function that returns a base type.
206 IMAGE_SYM_DTYPE_ARRAY = 3, ///< An array of base type.
208 /// Type is formed as (base + (derived << SCT_COMPLEX_TYPE_SHIFT))
209 SCT_COMPLEX_TYPE_SHIFT = 4
214 uint32_t VirtualSize;
215 uint32_t VirtualAddress;
216 uint32_t SizeOfRawData;
217 uint32_t PointerToRawData;
218 uint32_t PointerToRelocations;
219 uint32_t PointerToLineNumbers;
220 uint16_t NumberOfRelocations;
221 uint16_t NumberOfLineNumbers;
222 uint32_t Characteristics;
225 enum SectionCharacteristics LLVM_ENUM_INT_TYPE(uint32_t) {
226 SC_Invalid = 0xffffffff,
228 IMAGE_SCN_TYPE_NO_PAD = 0x00000008,
229 IMAGE_SCN_CNT_CODE = 0x00000020,
230 IMAGE_SCN_CNT_INITIALIZED_DATA = 0x00000040,
231 IMAGE_SCN_CNT_UNINITIALIZED_DATA = 0x00000080,
232 IMAGE_SCN_LNK_OTHER = 0x00000100,
233 IMAGE_SCN_LNK_INFO = 0x00000200,
234 IMAGE_SCN_LNK_REMOVE = 0x00000800,
235 IMAGE_SCN_LNK_COMDAT = 0x00001000,
236 IMAGE_SCN_GPREL = 0x00008000,
237 IMAGE_SCN_MEM_PURGEABLE = 0x00020000,
238 IMAGE_SCN_MEM_16BIT = 0x00020000,
239 IMAGE_SCN_MEM_LOCKED = 0x00040000,
240 IMAGE_SCN_MEM_PRELOAD = 0x00080000,
241 IMAGE_SCN_ALIGN_1BYTES = 0x00100000,
242 IMAGE_SCN_ALIGN_2BYTES = 0x00200000,
243 IMAGE_SCN_ALIGN_4BYTES = 0x00300000,
244 IMAGE_SCN_ALIGN_8BYTES = 0x00400000,
245 IMAGE_SCN_ALIGN_16BYTES = 0x00500000,
246 IMAGE_SCN_ALIGN_32BYTES = 0x00600000,
247 IMAGE_SCN_ALIGN_64BYTES = 0x00700000,
248 IMAGE_SCN_ALIGN_128BYTES = 0x00800000,
249 IMAGE_SCN_ALIGN_256BYTES = 0x00900000,
250 IMAGE_SCN_ALIGN_512BYTES = 0x00A00000,
251 IMAGE_SCN_ALIGN_1024BYTES = 0x00B00000,
252 IMAGE_SCN_ALIGN_2048BYTES = 0x00C00000,
253 IMAGE_SCN_ALIGN_4096BYTES = 0x00D00000,
254 IMAGE_SCN_ALIGN_8192BYTES = 0x00E00000,
255 IMAGE_SCN_LNK_NRELOC_OVFL = 0x01000000,
256 IMAGE_SCN_MEM_DISCARDABLE = 0x02000000,
257 IMAGE_SCN_MEM_NOT_CACHED = 0x04000000,
258 IMAGE_SCN_MEM_NOT_PAGED = 0x08000000,
259 IMAGE_SCN_MEM_SHARED = 0x10000000,
260 IMAGE_SCN_MEM_EXECUTE = 0x20000000,
261 IMAGE_SCN_MEM_READ = 0x40000000,
262 IMAGE_SCN_MEM_WRITE = 0x80000000
266 uint32_t VirtualAddress;
267 uint32_t SymbolTableIndex;
271 enum RelocationTypeX86 {
272 IMAGE_REL_I386_ABSOLUTE = 0x0000,
273 IMAGE_REL_I386_DIR16 = 0x0001,
274 IMAGE_REL_I386_REL16 = 0x0002,
275 IMAGE_REL_I386_DIR32 = 0x0006,
276 IMAGE_REL_I386_DIR32NB = 0x0007,
277 IMAGE_REL_I386_SEG12 = 0x0009,
278 IMAGE_REL_I386_SECTION = 0x000A,
279 IMAGE_REL_I386_SECREL = 0x000B,
280 IMAGE_REL_I386_TOKEN = 0x000C,
281 IMAGE_REL_I386_SECREL7 = 0x000D,
282 IMAGE_REL_I386_REL32 = 0x0014,
284 IMAGE_REL_AMD64_ABSOLUTE = 0x0000,
285 IMAGE_REL_AMD64_ADDR64 = 0x0001,
286 IMAGE_REL_AMD64_ADDR32 = 0x0002,
287 IMAGE_REL_AMD64_ADDR32NB = 0x0003,
288 IMAGE_REL_AMD64_REL32 = 0x0004,
289 IMAGE_REL_AMD64_REL32_1 = 0x0005,
290 IMAGE_REL_AMD64_REL32_2 = 0x0006,
291 IMAGE_REL_AMD64_REL32_3 = 0x0007,
292 IMAGE_REL_AMD64_REL32_4 = 0x0008,
293 IMAGE_REL_AMD64_REL32_5 = 0x0009,
294 IMAGE_REL_AMD64_SECTION = 0x000A,
295 IMAGE_REL_AMD64_SECREL = 0x000B,
296 IMAGE_REL_AMD64_SECREL7 = 0x000C,
297 IMAGE_REL_AMD64_TOKEN = 0x000D,
298 IMAGE_REL_AMD64_SREL32 = 0x000E,
299 IMAGE_REL_AMD64_PAIR = 0x000F,
300 IMAGE_REL_AMD64_SSPAN32 = 0x0010
303 enum RelocationTypesARM {
304 IMAGE_REL_ARM_ABSOLUTE = 0x0000,
305 IMAGE_REL_ARM_ADDR32 = 0x0001,
306 IMAGE_REL_ARM_ADDR32NB = 0x0002,
307 IMAGE_REL_ARM_BRANCH24 = 0x0003,
308 IMAGE_REL_ARM_BRANCH11 = 0x0004,
309 IMAGE_REL_ARM_TOKEN = 0x0005,
310 IMAGE_REL_ARM_BLX24 = 0x0008,
311 IMAGE_REL_ARM_BLX11 = 0x0009,
312 IMAGE_REL_ARM_SECTION = 0x000E,
313 IMAGE_REL_ARM_SECREL = 0x000F,
314 IMAGE_REL_ARM_MOV32A = 0x0010,
315 IMAGE_REL_ARM_MOV32T = 0x0011,
316 IMAGE_REL_ARM_BRANCH20T = 0x0012,
317 IMAGE_REL_ARM_BRANCH24T = 0x0014,
318 IMAGE_REL_ARM_BLX23T = 0x0015
322 IMAGE_COMDAT_SELECT_NODUPLICATES = 1,
323 IMAGE_COMDAT_SELECT_ANY,
324 IMAGE_COMDAT_SELECT_SAME_SIZE,
325 IMAGE_COMDAT_SELECT_EXACT_MATCH,
326 IMAGE_COMDAT_SELECT_ASSOCIATIVE,
327 IMAGE_COMDAT_SELECT_LARGEST,
328 IMAGE_COMDAT_SELECT_NEWEST
331 // Auxiliary Symbol Formats
332 struct AuxiliaryFunctionDefinition {
335 uint32_t PointerToLinenumber;
336 uint32_t PointerToNextFunction;
340 struct AuxiliarybfAndefSymbol {
344 uint32_t PointerToNextFunction;
348 struct AuxiliaryWeakExternal {
350 uint32_t Characteristics;
354 /// These are not documented in the spec, but are located in WinNT.h.
355 enum WeakExternalCharacteristics {
356 IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY = 1,
357 IMAGE_WEAK_EXTERN_SEARCH_LIBRARY = 2,
358 IMAGE_WEAK_EXTERN_SEARCH_ALIAS = 3
361 struct AuxiliaryFile {
362 uint8_t FileName[18];
365 struct AuxiliarySectionDefinition {
367 uint16_t NumberOfRelocations;
368 uint16_t NumberOfLinenumbers;
376 AuxiliaryFunctionDefinition FunctionDefinition;
377 AuxiliarybfAndefSymbol bfAndefSymbol;
378 AuxiliaryWeakExternal WeakExternal;
380 AuxiliarySectionDefinition SectionDefinition;
383 /// @brief The Import Directory Table.
385 /// There is a single array of these and one entry per imported DLL.
386 struct ImportDirectoryTableEntry {
387 uint32_t ImportLookupTableRVA;
388 uint32_t TimeDateStamp;
389 uint32_t ForwarderChain;
391 uint32_t ImportAddressTableRVA;
394 /// @brief The PE32 Import Lookup Table.
396 /// There is an array of these for each imported DLL. It represents either
397 /// the ordinal to import from the target DLL, or a name to lookup and import
398 /// from the target DLL.
400 /// This also happens to be the same format used by the Import Address Table
401 /// when it is initially written out to the image.
402 struct ImportLookupTableEntry32 {
405 /// @brief Is this entry specified by ordinal, or name?
406 bool isOrdinal() const { return data & 0x80000000; }
408 /// @brief Get the ordinal value of this entry. isOrdinal must be true.
409 uint16_t getOrdinal() const {
410 assert(isOrdinal() && "ILT entry is not an ordinal!");
411 return data & 0xFFFF;
414 /// @brief Set the ordinal value and set isOrdinal to true.
415 void setOrdinal(uint16_t o) {
420 /// @brief Get the Hint/Name entry RVA. isOrdinal must be false.
421 uint32_t getHintNameRVA() const {
422 assert(!isOrdinal() && "ILT entry is not a Hint/Name RVA!");
426 /// @brief Set the Hint/Name entry RVA and set isOrdinal to false.
427 void setHintNameRVA(uint32_t rva) { data = rva; }
430 /// @brief The DOS compatible header at the front of all PEs.
433 uint16_t UsedBytesInTheLastPage;
434 uint16_t FileSizeInPages;
435 uint16_t NumberOfRelocationItems;
436 uint16_t HeaderSizeInParagraphs;
437 uint16_t MinimumExtraParagraphs;
438 uint16_t MaximumExtraParagraphs;
439 uint16_t InitialRelativeSS;
443 uint16_t InitialRelativeCS;
444 uint16_t AddressOfRelocationTable;
445 uint16_t OverlayNumber;
446 uint16_t Reserved[4];
449 uint16_t Reserved2[10];
450 uint32_t AddressOfNewExeHeader;
460 uint8_t MajorLinkerVersion;
461 uint8_t MinorLinkerVersion;
463 uint32_t SizeOfInitializedData;
464 uint32_t SizeOfUninitializedData;
465 uint32_t AddressOfEntryPoint; // RVA
466 uint32_t BaseOfCode; // RVA
467 uint32_t BaseOfData; // RVA
469 uint32_t SectionAlignment;
470 uint32_t FileAlignment;
471 uint16_t MajorOperatingSystemVersion;
472 uint16_t MinorOperatingSystemVersion;
473 uint16_t MajorImageVersion;
474 uint16_t MinorImageVersion;
475 uint16_t MajorSubsystemVersion;
476 uint16_t MinorSubsystemVersion;
477 uint32_t Win32VersionValue;
478 uint32_t SizeOfImage;
479 uint32_t SizeOfHeaders;
482 uint16_t DLLCharacteristics;
483 uint32_t SizeOfStackReserve;
484 uint32_t SizeOfStackCommit;
485 uint32_t SizeOfHeapReserve;
486 uint32_t SizeOfHeapCommit;
487 uint32_t LoaderFlags;
488 uint32_t NumberOfRvaAndSize;
491 struct DataDirectory {
492 uint32_t RelativeVirtualAddress;
496 enum DataDirectoryIndex {
502 BASE_RELOCATION_TABLE,
510 DELAY_IMPORT_DESCRIPTOR,
514 enum WindowsSubsystem {
515 IMAGE_SUBSYSTEM_UNKNOWN = 0, ///< An unknown subsystem.
516 IMAGE_SUBSYSTEM_NATIVE = 1, ///< Device drivers and native Windows processes
517 IMAGE_SUBSYSTEM_WINDOWS_GUI = 2, ///< The Windows GUI subsystem.
518 IMAGE_SUBSYSTEM_WINDOWS_CUI = 3, ///< The Windows character subsystem.
519 IMAGE_SUBSYSTEM_OS2_CUI = 5, ///< The OS/2 character subsytem.
520 IMAGE_SUBSYSTEM_POSIX_CUI = 7, ///< The POSIX character subsystem.
521 IMAGE_SUBSYSTEM_NATIVE_WINDOWS = 8, ///< Native Windows 9x driver.
522 IMAGE_SUBSYSTEM_WINDOWS_CE_GUI = 9, ///< Windows CE.
523 IMAGE_SUBSYSTEM_EFI_APPLICATION = 10, ///< An EFI application.
524 IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER = 11, ///< An EFI driver with boot
526 IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER = 12, ///< An EFI driver with run-time
528 IMAGE_SUBSYSTEM_EFI_ROM = 13, ///< An EFI ROM image.
529 IMAGE_SUBSYSTEM_XBOX = 14, ///< XBOX.
530 IMAGE_SUBSYSTEM_WINDOWS_BOOT_APPLICATION = 16 ///< A BCD application.
533 enum DLLCharacteristics {
534 /// ASLR with 64 bit address space.
535 IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA = 0x0020,
536 /// DLL can be relocated at load time.
537 IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE = 0x0040,
538 /// Code integrity checks are enforced.
539 IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY = 0x0080,
540 IMAGE_DLL_CHARACTERISTICS_NX_COMPAT = 0x0100, ///< Image is NX compatible.
541 /// Isolation aware, but do not isolate the image.
542 IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION = 0x0200,
543 /// Does not use structured exception handling (SEH). No SEH handler may be
544 /// called in this image.
545 IMAGE_DLL_CHARACTERISTICS_NO_SEH = 0x0400,
546 /// Do not bind the image.
547 IMAGE_DLL_CHARACTERISTICS_NO_BIND = 0x0800,
548 IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER = 0x2000, ///< A WDM driver.
549 /// Terminal Server aware.
550 IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE = 0x8000
554 IMAGE_DEBUG_TYPE_UNKNOWN = 0,
555 IMAGE_DEBUG_TYPE_COFF = 1,
556 IMAGE_DEBUG_TYPE_CODEVIEW = 2,
557 IMAGE_DEBUG_TYPE_FPO = 3,
558 IMAGE_DEBUG_TYPE_MISC = 4,
559 IMAGE_DEBUG_TYPE_EXCEPTION = 5,
560 IMAGE_DEBUG_TYPE_FIXUP = 6,
561 IMAGE_DEBUG_TYPE_OMAP_TO_SRC = 7,
562 IMAGE_DEBUG_TYPE_OMAP_FROM_SRC = 8,
563 IMAGE_DEBUG_TYPE_BORLAND = 9,
564 IMAGE_DEBUG_TYPE_CLSID = 11
567 enum BaseRelocationType {
568 IMAGE_REL_BASED_ABSOLUTE = 0,
569 IMAGE_REL_BASED_HIGH = 1,
570 IMAGE_REL_BASED_LOW = 2,
571 IMAGE_REL_BASED_HIGHLOW = 3,
572 IMAGE_REL_BASED_HIGHADJ = 4,
573 IMAGE_REL_BASED_MIPS_JMPADDR = 5,
574 IMAGE_REL_BASED_ARM_MOV32A = 5,
575 IMAGE_REL_BASED_ARM_MOV32T = 7,
576 IMAGE_REL_BASED_MIPS_JMPADDR16 = 9,
577 IMAGE_REL_BASED_DIR64 = 10
586 enum ImportNameType {
587 /// Import is by ordinal. This indicates that the value in the Ordinal/Hint
588 /// field of the import header is the import's ordinal. If this constant is
589 /// not specified, then the Ordinal/Hint field should always be interpreted
590 /// as the import's hint.
592 /// The import name is identical to the public symbol name
594 /// The import name is the public symbol name, but skipping the leading ?,
595 /// @, or optionally _.
596 IMPORT_NAME_NOPREFIX = 2,
597 /// The import name is the public symbol name, but skipping the leading ?,
598 /// @, or optionally _, and truncating at the first @.
599 IMPORT_NAME_UNDECORATE = 3
602 struct ImportHeader {
603 uint16_t Sig1; ///< Must be IMAGE_FILE_MACHINE_UNKNOWN (0).
604 uint16_t Sig2; ///< Must be 0xFFFF.
607 uint32_t TimeDateStamp;
609 uint16_t OrdinalHint;
612 ImportType getType() const {
613 return static_cast<ImportType>(TypeInfo & 0x3);
616 ImportNameType getNameType() const {
617 return static_cast<ImportNameType>((TypeInfo & 0x1C) >> 3);
621 enum CodeViewLineTableIdentifiers {
622 DEBUG_SECTION_MAGIC = 0x4,
623 DEBUG_LINE_TABLE_SUBSECTION = 0xF2,
624 DEBUG_STRING_TABLE_SUBSECTION = 0xF3,
625 DEBUG_INDEX_SUBSECTION = 0xF4
628 } // End namespace COFF.
629 } // End namespace llvm.