| //===-- llvm/BinaryFormat/COFF.h --------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file contains an definitions used in Windows COFF Files. |
| // |
| // Structures and enums defined within this file where created using |
| // information from Microsoft's publicly available PE/COFF format document: |
| // |
| // Microsoft Portable Executable and Common Object File Format Specification |
| // Revision 8.1 - February 15, 2008 |
| // |
| // As of 5/2/2010, hosted by Microsoft at: |
| // http://www.microsoft.com/whdc/system/platform/firmware/pecoff.mspx |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_BINARYFORMAT_COFF_H |
| #define LLVM_BINARYFORMAT_COFF_H |
| |
| #include "llvm/Support/DataTypes.h" |
| #include <cassert> |
| #include <cstring> |
| |
| namespace llvm { |
| namespace COFF { |
| |
| // The maximum number of sections that a COFF object can have (inclusive). |
| const int32_t MaxNumberOfSections16 = 65279; |
| |
| // The PE signature bytes that follows the DOS stub header. |
| static const char PEMagic[] = {'P', 'E', '\0', '\0'}; |
| |
| static const char BigObjMagic[] = { |
| '\xc7', '\xa1', '\xba', '\xd1', '\xee', '\xba', '\xa9', '\x4b', |
| '\xaf', '\x20', '\xfa', '\xf6', '\x6a', '\xa4', '\xdc', '\xb8', |
| }; |
| |
| static const char ClGlObjMagic[] = { |
| '\x38', '\xfe', '\xb3', '\x0c', '\xa5', '\xd9', '\xab', '\x4d', |
| '\xac', '\x9b', '\xd6', '\xb6', '\x22', '\x26', '\x53', '\xc2', |
| }; |
| |
| // The signature bytes that start a .res file. |
| static const char WinResMagic[] = { |
| '\x00', '\x00', '\x00', '\x00', '\x20', '\x00', '\x00', '\x00', |
| '\xff', '\xff', '\x00', '\x00', '\xff', '\xff', '\x00', '\x00', |
| }; |
| |
| // Sizes in bytes of various things in the COFF format. |
| enum { |
| Header16Size = 20, |
| Header32Size = 56, |
| NameSize = 8, |
| Symbol16Size = 18, |
| Symbol32Size = 20, |
| SectionSize = 40, |
| RelocationSize = 10 |
| }; |
| |
| struct header { |
| uint16_t Machine; |
| int32_t NumberOfSections; |
| uint32_t TimeDateStamp; |
| uint32_t PointerToSymbolTable; |
| uint32_t NumberOfSymbols; |
| uint16_t SizeOfOptionalHeader; |
| uint16_t Characteristics; |
| }; |
| |
| struct BigObjHeader { |
| enum : uint16_t { MinBigObjectVersion = 2 }; |
| |
| uint16_t Sig1; ///< Must be IMAGE_FILE_MACHINE_UNKNOWN (0). |
| uint16_t Sig2; ///< Must be 0xFFFF. |
| uint16_t Version; |
| uint16_t Machine; |
| uint32_t TimeDateStamp; |
| uint8_t UUID[16]; |
| uint32_t unused1; |
| uint32_t unused2; |
| uint32_t unused3; |
| uint32_t unused4; |
| uint32_t NumberOfSections; |
| uint32_t PointerToSymbolTable; |
| uint32_t NumberOfSymbols; |
| }; |
| |
| enum MachineTypes : unsigned { |
| MT_Invalid = 0xffff, |
| |
| IMAGE_FILE_MACHINE_UNKNOWN = 0x0, |
| IMAGE_FILE_MACHINE_AM33 = 0x1D3, |
| IMAGE_FILE_MACHINE_AMD64 = 0x8664, |
| IMAGE_FILE_MACHINE_ARM = 0x1C0, |
| IMAGE_FILE_MACHINE_ARMNT = 0x1C4, |
| IMAGE_FILE_MACHINE_ARM64 = 0xAA64, |
| IMAGE_FILE_MACHINE_EBC = 0xEBC, |
| IMAGE_FILE_MACHINE_I386 = 0x14C, |
| IMAGE_FILE_MACHINE_IA64 = 0x200, |
| IMAGE_FILE_MACHINE_M32R = 0x9041, |
| IMAGE_FILE_MACHINE_MIPS16 = 0x266, |
| IMAGE_FILE_MACHINE_MIPSFPU = 0x366, |
| IMAGE_FILE_MACHINE_MIPSFPU16 = 0x466, |
| IMAGE_FILE_MACHINE_POWERPC = 0x1F0, |
| IMAGE_FILE_MACHINE_POWERPCFP = 0x1F1, |
| IMAGE_FILE_MACHINE_R4000 = 0x166, |
| IMAGE_FILE_MACHINE_RISCV32 = 0x5032, |
| IMAGE_FILE_MACHINE_RISCV64 = 0x5064, |
| IMAGE_FILE_MACHINE_RISCV128 = 0x5128, |
| IMAGE_FILE_MACHINE_SH3 = 0x1A2, |
| IMAGE_FILE_MACHINE_SH3DSP = 0x1A3, |
| IMAGE_FILE_MACHINE_SH4 = 0x1A6, |
| IMAGE_FILE_MACHINE_SH5 = 0x1A8, |
| IMAGE_FILE_MACHINE_THUMB = 0x1C2, |
| IMAGE_FILE_MACHINE_WCEMIPSV2 = 0x169 |
| }; |
| |
| enum Characteristics : unsigned { |
| C_Invalid = 0, |
| |
| /// The file does not contain base relocations and must be loaded at its |
| /// preferred base. If this cannot be done, the loader will error. |
| IMAGE_FILE_RELOCS_STRIPPED = 0x0001, |
| /// The file is valid and can be run. |
| IMAGE_FILE_EXECUTABLE_IMAGE = 0x0002, |
| /// COFF line numbers have been stripped. This is deprecated and should be |
| /// 0. |
| IMAGE_FILE_LINE_NUMS_STRIPPED = 0x0004, |
| /// COFF symbol table entries for local symbols have been removed. This is |
| /// deprecated and should be 0. |
| IMAGE_FILE_LOCAL_SYMS_STRIPPED = 0x0008, |
| /// Aggressively trim working set. This is deprecated and must be 0. |
| IMAGE_FILE_AGGRESSIVE_WS_TRIM = 0x0010, |
| /// Image can handle > 2GiB addresses. |
| IMAGE_FILE_LARGE_ADDRESS_AWARE = 0x0020, |
| /// Little endian: the LSB precedes the MSB in memory. This is deprecated |
| /// and should be 0. |
| IMAGE_FILE_BYTES_REVERSED_LO = 0x0080, |
| /// Machine is based on a 32bit word architecture. |
| IMAGE_FILE_32BIT_MACHINE = 0x0100, |
| /// Debugging info has been removed. |
| IMAGE_FILE_DEBUG_STRIPPED = 0x0200, |
| /// If the image is on removable media, fully load it and copy it to swap. |
| IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP = 0x0400, |
| /// If the image is on network media, fully load it and copy it to swap. |
| IMAGE_FILE_NET_RUN_FROM_SWAP = 0x0800, |
| /// The image file is a system file, not a user program. |
| IMAGE_FILE_SYSTEM = 0x1000, |
| /// The image file is a DLL. |
| IMAGE_FILE_DLL = 0x2000, |
| /// This file should only be run on a uniprocessor machine. |
| IMAGE_FILE_UP_SYSTEM_ONLY = 0x4000, |
| /// Big endian: the MSB precedes the LSB in memory. This is deprecated |
| /// and should be 0. |
| IMAGE_FILE_BYTES_REVERSED_HI = 0x8000 |
| }; |
| |
| enum ResourceTypeID : unsigned { |
| RID_Cursor = 1, |
| RID_Bitmap = 2, |
| RID_Icon = 3, |
| RID_Menu = 4, |
| RID_Dialog = 5, |
| RID_String = 6, |
| RID_FontDir = 7, |
| RID_Font = 8, |
| RID_Accelerator = 9, |
| RID_RCData = 10, |
| RID_MessageTable = 11, |
| RID_Group_Cursor = 12, |
| RID_Group_Icon = 14, |
| RID_Version = 16, |
| RID_DLGInclude = 17, |
| RID_PlugPlay = 19, |
| RID_VXD = 20, |
| RID_AniCursor = 21, |
| RID_AniIcon = 22, |
| RID_HTML = 23, |
| RID_Manifest = 24, |
| }; |
| |
| struct symbol { |
| char Name[NameSize]; |
| uint32_t Value; |
| int32_t SectionNumber; |
| uint16_t Type; |
| uint8_t StorageClass; |
| uint8_t NumberOfAuxSymbols; |
| }; |
| |
| enum SymbolSectionNumber : int32_t { |
| IMAGE_SYM_DEBUG = -2, |
| IMAGE_SYM_ABSOLUTE = -1, |
| IMAGE_SYM_UNDEFINED = 0 |
| }; |
| |
| /// Storage class tells where and what the symbol represents |
| enum SymbolStorageClass { |
| SSC_Invalid = 0xff, |
| |
| IMAGE_SYM_CLASS_END_OF_FUNCTION = -1, ///< Physical end of function |
| IMAGE_SYM_CLASS_NULL = 0, ///< No symbol |
| IMAGE_SYM_CLASS_AUTOMATIC = 1, ///< Stack variable |
| IMAGE_SYM_CLASS_EXTERNAL = 2, ///< External symbol |
| IMAGE_SYM_CLASS_STATIC = 3, ///< Static |
| IMAGE_SYM_CLASS_REGISTER = 4, ///< Register variable |
| IMAGE_SYM_CLASS_EXTERNAL_DEF = 5, ///< External definition |
| IMAGE_SYM_CLASS_LABEL = 6, ///< Label |
| IMAGE_SYM_CLASS_UNDEFINED_LABEL = 7, ///< Undefined label |
| IMAGE_SYM_CLASS_MEMBER_OF_STRUCT = 8, ///< Member of structure |
| IMAGE_SYM_CLASS_ARGUMENT = 9, ///< Function argument |
| IMAGE_SYM_CLASS_STRUCT_TAG = 10, ///< Structure tag |
| IMAGE_SYM_CLASS_MEMBER_OF_UNION = 11, ///< Member of union |
| IMAGE_SYM_CLASS_UNION_TAG = 12, ///< Union tag |
| IMAGE_SYM_CLASS_TYPE_DEFINITION = 13, ///< Type definition |
| IMAGE_SYM_CLASS_UNDEFINED_STATIC = 14, ///< Undefined static |
| IMAGE_SYM_CLASS_ENUM_TAG = 15, ///< Enumeration tag |
| IMAGE_SYM_CLASS_MEMBER_OF_ENUM = 16, ///< Member of enumeration |
| IMAGE_SYM_CLASS_REGISTER_PARAM = 17, ///< Register parameter |
| IMAGE_SYM_CLASS_BIT_FIELD = 18, ///< Bit field |
| /// ".bb" or ".eb" - beginning or end of block |
| IMAGE_SYM_CLASS_BLOCK = 100, |
| /// ".bf" or ".ef" - beginning or end of function |
| IMAGE_SYM_CLASS_FUNCTION = 101, |
| IMAGE_SYM_CLASS_END_OF_STRUCT = 102, ///< End of structure |
| IMAGE_SYM_CLASS_FILE = 103, ///< File name |
| /// Line number, reformatted as symbol |
| IMAGE_SYM_CLASS_SECTION = 104, |
| IMAGE_SYM_CLASS_WEAK_EXTERNAL = 105, ///< Duplicate tag |
| /// External symbol in dmert public lib |
| IMAGE_SYM_CLASS_CLR_TOKEN = 107 |
| }; |
| |
| enum SymbolBaseType : unsigned { |
| IMAGE_SYM_TYPE_NULL = 0, ///< No type information or unknown base type. |
| IMAGE_SYM_TYPE_VOID = 1, ///< Used with void pointers and functions. |
| IMAGE_SYM_TYPE_CHAR = 2, ///< A character (signed byte). |
| IMAGE_SYM_TYPE_SHORT = 3, ///< A 2-byte signed integer. |
| IMAGE_SYM_TYPE_INT = 4, ///< A natural integer type on the target. |
| IMAGE_SYM_TYPE_LONG = 5, ///< A 4-byte signed integer. |
| IMAGE_SYM_TYPE_FLOAT = 6, ///< A 4-byte floating-point number. |
| IMAGE_SYM_TYPE_DOUBLE = 7, ///< An 8-byte floating-point number. |
| IMAGE_SYM_TYPE_STRUCT = 8, ///< A structure. |
| IMAGE_SYM_TYPE_UNION = 9, ///< An union. |
| IMAGE_SYM_TYPE_ENUM = 10, ///< An enumerated type. |
| IMAGE_SYM_TYPE_MOE = 11, ///< A member of enumeration (a specific value). |
| IMAGE_SYM_TYPE_BYTE = 12, ///< A byte; unsigned 1-byte integer. |
| IMAGE_SYM_TYPE_WORD = 13, ///< A word; unsigned 2-byte integer. |
| IMAGE_SYM_TYPE_UINT = 14, ///< An unsigned integer of natural size. |
| IMAGE_SYM_TYPE_DWORD = 15 ///< An unsigned 4-byte integer. |
| }; |
| |
| enum SymbolComplexType : unsigned { |
| IMAGE_SYM_DTYPE_NULL = 0, ///< No complex type; simple scalar variable. |
| IMAGE_SYM_DTYPE_POINTER = 1, ///< A pointer to base type. |
| IMAGE_SYM_DTYPE_FUNCTION = 2, ///< A function that returns a base type. |
| IMAGE_SYM_DTYPE_ARRAY = 3, ///< An array of base type. |
| |
| /// Type is formed as (base + (derived << SCT_COMPLEX_TYPE_SHIFT)) |
| SCT_COMPLEX_TYPE_SHIFT = 4 |
| }; |
| |
| enum AuxSymbolType { IMAGE_AUX_SYMBOL_TYPE_TOKEN_DEF = 1 }; |
| |
| struct section { |
| char Name[NameSize]; |
| uint32_t VirtualSize; |
| uint32_t VirtualAddress; |
| uint32_t SizeOfRawData; |
| uint32_t PointerToRawData; |
| uint32_t PointerToRelocations; |
| uint32_t PointerToLineNumbers; |
| uint16_t NumberOfRelocations; |
| uint16_t NumberOfLineNumbers; |
| uint32_t Characteristics; |
| }; |
| |
| enum SectionCharacteristics : uint32_t { |
| SC_Invalid = 0xffffffff, |
| |
| IMAGE_SCN_TYPE_NOLOAD = 0x00000002, |
| IMAGE_SCN_TYPE_NO_PAD = 0x00000008, |
| IMAGE_SCN_CNT_CODE = 0x00000020, |
| IMAGE_SCN_CNT_INITIALIZED_DATA = 0x00000040, |
| IMAGE_SCN_CNT_UNINITIALIZED_DATA = 0x00000080, |
| IMAGE_SCN_LNK_OTHER = 0x00000100, |
| IMAGE_SCN_LNK_INFO = 0x00000200, |
| IMAGE_SCN_LNK_REMOVE = 0x00000800, |
| IMAGE_SCN_LNK_COMDAT = 0x00001000, |
| IMAGE_SCN_GPREL = 0x00008000, |
| IMAGE_SCN_MEM_PURGEABLE = 0x00020000, |
| IMAGE_SCN_MEM_16BIT = 0x00020000, |
| IMAGE_SCN_MEM_LOCKED = 0x00040000, |
| IMAGE_SCN_MEM_PRELOAD = 0x00080000, |
| IMAGE_SCN_ALIGN_1BYTES = 0x00100000, |
| IMAGE_SCN_ALIGN_2BYTES = 0x00200000, |
| IMAGE_SCN_ALIGN_4BYTES = 0x00300000, |
| IMAGE_SCN_ALIGN_8BYTES = 0x00400000, |
| IMAGE_SCN_ALIGN_16BYTES = 0x00500000, |
| IMAGE_SCN_ALIGN_32BYTES = 0x00600000, |
| IMAGE_SCN_ALIGN_64BYTES = 0x00700000, |
| IMAGE_SCN_ALIGN_128BYTES = 0x00800000, |
| IMAGE_SCN_ALIGN_256BYTES = 0x00900000, |
| IMAGE_SCN_ALIGN_512BYTES = 0x00A00000, |
| IMAGE_SCN_ALIGN_1024BYTES = 0x00B00000, |
| IMAGE_SCN_ALIGN_2048BYTES = 0x00C00000, |
| IMAGE_SCN_ALIGN_4096BYTES = 0x00D00000, |
| IMAGE_SCN_ALIGN_8192BYTES = 0x00E00000, |
| IMAGE_SCN_LNK_NRELOC_OVFL = 0x01000000, |
| IMAGE_SCN_MEM_DISCARDABLE = 0x02000000, |
| IMAGE_SCN_MEM_NOT_CACHED = 0x04000000, |
| IMAGE_SCN_MEM_NOT_PAGED = 0x08000000, |
| IMAGE_SCN_MEM_SHARED = 0x10000000, |
| IMAGE_SCN_MEM_EXECUTE = 0x20000000, |
| IMAGE_SCN_MEM_READ = 0x40000000, |
| IMAGE_SCN_MEM_WRITE = 0x80000000 |
| }; |
| |
| struct relocation { |
| uint32_t VirtualAddress; |
| uint32_t SymbolTableIndex; |
| uint16_t Type; |
| }; |
| |
| enum RelocationTypeI386 : unsigned { |
| IMAGE_REL_I386_ABSOLUTE = 0x0000, |
| IMAGE_REL_I386_DIR16 = 0x0001, |
| IMAGE_REL_I386_REL16 = 0x0002, |
| IMAGE_REL_I386_DIR32 = 0x0006, |
| IMAGE_REL_I386_DIR32NB = 0x0007, |
| IMAGE_REL_I386_SEG12 = 0x0009, |
| IMAGE_REL_I386_SECTION = 0x000A, |
| IMAGE_REL_I386_SECREL = 0x000B, |
| IMAGE_REL_I386_TOKEN = 0x000C, |
| IMAGE_REL_I386_SECREL7 = 0x000D, |
| IMAGE_REL_I386_REL32 = 0x0014 |
| }; |
| |
| enum RelocationTypeAMD64 : unsigned { |
| IMAGE_REL_AMD64_ABSOLUTE = 0x0000, |
| IMAGE_REL_AMD64_ADDR64 = 0x0001, |
| IMAGE_REL_AMD64_ADDR32 = 0x0002, |
| IMAGE_REL_AMD64_ADDR32NB = 0x0003, |
| IMAGE_REL_AMD64_REL32 = 0x0004, |
| IMAGE_REL_AMD64_REL32_1 = 0x0005, |
| IMAGE_REL_AMD64_REL32_2 = 0x0006, |
| IMAGE_REL_AMD64_REL32_3 = 0x0007, |
| IMAGE_REL_AMD64_REL32_4 = 0x0008, |
| IMAGE_REL_AMD64_REL32_5 = 0x0009, |
| IMAGE_REL_AMD64_SECTION = 0x000A, |
| IMAGE_REL_AMD64_SECREL = 0x000B, |
| IMAGE_REL_AMD64_SECREL7 = 0x000C, |
| IMAGE_REL_AMD64_TOKEN = 0x000D, |
| IMAGE_REL_AMD64_SREL32 = 0x000E, |
| IMAGE_REL_AMD64_PAIR = 0x000F, |
| IMAGE_REL_AMD64_SSPAN32 = 0x0010 |
| }; |
| |
| enum RelocationTypesARM : unsigned { |
| IMAGE_REL_ARM_ABSOLUTE = 0x0000, |
| IMAGE_REL_ARM_ADDR32 = 0x0001, |
| IMAGE_REL_ARM_ADDR32NB = 0x0002, |
| IMAGE_REL_ARM_BRANCH24 = 0x0003, |
| IMAGE_REL_ARM_BRANCH11 = 0x0004, |
| IMAGE_REL_ARM_TOKEN = 0x0005, |
| IMAGE_REL_ARM_BLX24 = 0x0008, |
| IMAGE_REL_ARM_BLX11 = 0x0009, |
| IMAGE_REL_ARM_REL32 = 0x000A, |
| IMAGE_REL_ARM_SECTION = 0x000E, |
| IMAGE_REL_ARM_SECREL = 0x000F, |
| IMAGE_REL_ARM_MOV32A = 0x0010, |
| IMAGE_REL_ARM_MOV32T = 0x0011, |
| IMAGE_REL_ARM_BRANCH20T = 0x0012, |
| IMAGE_REL_ARM_BRANCH24T = 0x0014, |
| IMAGE_REL_ARM_BLX23T = 0x0015, |
| IMAGE_REL_ARM_PAIR = 0x0016, |
| }; |
| |
| enum RelocationTypesARM64 : unsigned { |
| IMAGE_REL_ARM64_ABSOLUTE = 0x0000, |
| IMAGE_REL_ARM64_ADDR32 = 0x0001, |
| IMAGE_REL_ARM64_ADDR32NB = 0x0002, |
| IMAGE_REL_ARM64_BRANCH26 = 0x0003, |
| IMAGE_REL_ARM64_PAGEBASE_REL21 = 0x0004, |
| IMAGE_REL_ARM64_REL21 = 0x0005, |
| IMAGE_REL_ARM64_PAGEOFFSET_12A = 0x0006, |
| IMAGE_REL_ARM64_PAGEOFFSET_12L = 0x0007, |
| IMAGE_REL_ARM64_SECREL = 0x0008, |
| IMAGE_REL_ARM64_SECREL_LOW12A = 0x0009, |
| IMAGE_REL_ARM64_SECREL_HIGH12A = 0x000A, |
| IMAGE_REL_ARM64_SECREL_LOW12L = 0x000B, |
| IMAGE_REL_ARM64_TOKEN = 0x000C, |
| IMAGE_REL_ARM64_SECTION = 0x000D, |
| IMAGE_REL_ARM64_ADDR64 = 0x000E, |
| IMAGE_REL_ARM64_BRANCH19 = 0x000F, |
| IMAGE_REL_ARM64_BRANCH14 = 0x0010, |
| IMAGE_REL_ARM64_REL32 = 0x0011, |
| }; |
| |
| enum COMDATType : uint8_t { |
| IMAGE_COMDAT_SELECT_NODUPLICATES = 1, |
| IMAGE_COMDAT_SELECT_ANY, |
| IMAGE_COMDAT_SELECT_SAME_SIZE, |
| IMAGE_COMDAT_SELECT_EXACT_MATCH, |
| IMAGE_COMDAT_SELECT_ASSOCIATIVE, |
| IMAGE_COMDAT_SELECT_LARGEST, |
| IMAGE_COMDAT_SELECT_NEWEST |
| }; |
| |
| // Auxiliary Symbol Formats |
| struct AuxiliaryFunctionDefinition { |
| uint32_t TagIndex; |
| uint32_t TotalSize; |
| uint32_t PointerToLinenumber; |
| uint32_t PointerToNextFunction; |
| char unused[2]; |
| }; |
| |
| struct AuxiliarybfAndefSymbol { |
| uint8_t unused1[4]; |
| uint16_t Linenumber; |
| uint8_t unused2[6]; |
| uint32_t PointerToNextFunction; |
| uint8_t unused3[2]; |
| }; |
| |
| struct AuxiliaryWeakExternal { |
| uint32_t TagIndex; |
| uint32_t Characteristics; |
| uint8_t unused[10]; |
| }; |
| |
| enum WeakExternalCharacteristics : unsigned { |
| IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY = 1, |
| IMAGE_WEAK_EXTERN_SEARCH_LIBRARY = 2, |
| IMAGE_WEAK_EXTERN_SEARCH_ALIAS = 3 |
| }; |
| |
| struct AuxiliarySectionDefinition { |
| uint32_t Length; |
| uint16_t NumberOfRelocations; |
| uint16_t NumberOfLinenumbers; |
| uint32_t CheckSum; |
| uint32_t Number; |
| uint8_t Selection; |
| char unused; |
| }; |
| |
| struct AuxiliaryCLRToken { |
| uint8_t AuxType; |
| uint8_t unused1; |
| uint32_t SymbolTableIndex; |
| char unused2[12]; |
| }; |
| |
| union Auxiliary { |
| AuxiliaryFunctionDefinition FunctionDefinition; |
| AuxiliarybfAndefSymbol bfAndefSymbol; |
| AuxiliaryWeakExternal WeakExternal; |
| AuxiliarySectionDefinition SectionDefinition; |
| }; |
| |
| /// The Import Directory Table. |
| /// |
| /// There is a single array of these and one entry per imported DLL. |
| struct ImportDirectoryTableEntry { |
| uint32_t ImportLookupTableRVA; |
| uint32_t TimeDateStamp; |
| uint32_t ForwarderChain; |
| uint32_t NameRVA; |
| uint32_t ImportAddressTableRVA; |
| }; |
| |
| /// The PE32 Import Lookup Table. |
| /// |
| /// There is an array of these for each imported DLL. It represents either |
| /// the ordinal to import from the target DLL, or a name to lookup and import |
| /// from the target DLL. |
| /// |
| /// This also happens to be the same format used by the Import Address Table |
| /// when it is initially written out to the image. |
| struct ImportLookupTableEntry32 { |
| uint32_t data; |
| |
| /// Is this entry specified by ordinal, or name? |
| bool isOrdinal() const { return data & 0x80000000; } |
| |
| /// Get the ordinal value of this entry. isOrdinal must be true. |
| uint16_t getOrdinal() const { |
| assert(isOrdinal() && "ILT entry is not an ordinal!"); |
| return data & 0xFFFF; |
| } |
| |
| /// Set the ordinal value and set isOrdinal to true. |
| void setOrdinal(uint16_t o) { |
| data = o; |
| data |= 0x80000000; |
| } |
| |
| /// Get the Hint/Name entry RVA. isOrdinal must be false. |
| uint32_t getHintNameRVA() const { |
| assert(!isOrdinal() && "ILT entry is not a Hint/Name RVA!"); |
| return data; |
| } |
| |
| /// Set the Hint/Name entry RVA and set isOrdinal to false. |
| void setHintNameRVA(uint32_t rva) { data = rva; } |
| }; |
| |
| /// The DOS compatible header at the front of all PEs. |
| struct DOSHeader { |
| uint16_t Magic; |
| uint16_t UsedBytesInTheLastPage; |
| uint16_t FileSizeInPages; |
| uint16_t NumberOfRelocationItems; |
| uint16_t HeaderSizeInParagraphs; |
| uint16_t MinimumExtraParagraphs; |
| uint16_t MaximumExtraParagraphs; |
| uint16_t InitialRelativeSS; |
| uint16_t InitialSP; |
| uint16_t Checksum; |
| uint16_t InitialIP; |
| uint16_t InitialRelativeCS; |
| uint16_t AddressOfRelocationTable; |
| uint16_t OverlayNumber; |
| uint16_t Reserved[4]; |
| uint16_t OEMid; |
| uint16_t OEMinfo; |
| uint16_t Reserved2[10]; |
| uint32_t AddressOfNewExeHeader; |
| }; |
| |
| struct PE32Header { |
| enum { PE32 = 0x10b, PE32_PLUS = 0x20b }; |
| |
| uint16_t Magic; |
| uint8_t MajorLinkerVersion; |
| uint8_t MinorLinkerVersion; |
| uint32_t SizeOfCode; |
| uint32_t SizeOfInitializedData; |
| uint32_t SizeOfUninitializedData; |
| uint32_t AddressOfEntryPoint; // RVA |
| uint32_t BaseOfCode; // RVA |
| uint32_t BaseOfData; // RVA |
| uint32_t ImageBase; |
| uint32_t SectionAlignment; |
| uint32_t FileAlignment; |
| uint16_t MajorOperatingSystemVersion; |
| uint16_t MinorOperatingSystemVersion; |
| uint16_t MajorImageVersion; |
| uint16_t MinorImageVersion; |
| uint16_t MajorSubsystemVersion; |
| uint16_t MinorSubsystemVersion; |
| uint32_t Win32VersionValue; |
| uint32_t SizeOfImage; |
| uint32_t SizeOfHeaders; |
| uint32_t CheckSum; |
| uint16_t Subsystem; |
| // FIXME: This should be DllCharacteristics to match the COFF spec. |
| uint16_t DLLCharacteristics; |
| uint32_t SizeOfStackReserve; |
| uint32_t SizeOfStackCommit; |
| uint32_t SizeOfHeapReserve; |
| uint32_t SizeOfHeapCommit; |
| uint32_t LoaderFlags; |
| // FIXME: This should be NumberOfRvaAndSizes to match the COFF spec. |
| uint32_t NumberOfRvaAndSize; |
| }; |
| |
| struct DataDirectory { |
| uint32_t RelativeVirtualAddress; |
| uint32_t Size; |
| }; |
| |
| enum DataDirectoryIndex : unsigned { |
| EXPORT_TABLE = 0, |
| IMPORT_TABLE, |
| RESOURCE_TABLE, |
| EXCEPTION_TABLE, |
| CERTIFICATE_TABLE, |
| BASE_RELOCATION_TABLE, |
| DEBUG_DIRECTORY, |
| ARCHITECTURE, |
| GLOBAL_PTR, |
| TLS_TABLE, |
| LOAD_CONFIG_TABLE, |
| BOUND_IMPORT, |
| IAT, |
| DELAY_IMPORT_DESCRIPTOR, |
| CLR_RUNTIME_HEADER, |
| |
| NUM_DATA_DIRECTORIES |
| }; |
| |
| enum WindowsSubsystem : unsigned { |
| IMAGE_SUBSYSTEM_UNKNOWN = 0, ///< An unknown subsystem. |
| IMAGE_SUBSYSTEM_NATIVE = 1, ///< Device drivers and native Windows processes |
| IMAGE_SUBSYSTEM_WINDOWS_GUI = 2, ///< The Windows GUI subsystem. |
| IMAGE_SUBSYSTEM_WINDOWS_CUI = 3, ///< The Windows character subsystem. |
| IMAGE_SUBSYSTEM_OS2_CUI = 5, ///< The OS/2 character subsytem. |
| IMAGE_SUBSYSTEM_POSIX_CUI = 7, ///< The POSIX character subsystem. |
| IMAGE_SUBSYSTEM_NATIVE_WINDOWS = 8, ///< Native Windows 9x driver. |
| IMAGE_SUBSYSTEM_WINDOWS_CE_GUI = 9, ///< Windows CE. |
| IMAGE_SUBSYSTEM_EFI_APPLICATION = 10, ///< An EFI application. |
| IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER = 11, ///< An EFI driver with boot |
| /// services. |
| IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER = 12, ///< An EFI driver with run-time |
| /// services. |
| IMAGE_SUBSYSTEM_EFI_ROM = 13, ///< An EFI ROM image. |
| IMAGE_SUBSYSTEM_XBOX = 14, ///< XBOX. |
| IMAGE_SUBSYSTEM_WINDOWS_BOOT_APPLICATION = 16 ///< A BCD application. |
| }; |
| |
| enum DLLCharacteristics : unsigned { |
| /// ASLR with 64 bit address space. |
| IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA = 0x0020, |
| /// DLL can be relocated at load time. |
| IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE = 0x0040, |
| /// Code integrity checks are enforced. |
| IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY = 0x0080, |
| ///< Image is NX compatible. |
| IMAGE_DLL_CHARACTERISTICS_NX_COMPAT = 0x0100, |
| /// Isolation aware, but do not isolate the image. |
| IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION = 0x0200, |
| /// Does not use structured exception handling (SEH). No SEH handler may be |
| /// called in this image. |
| IMAGE_DLL_CHARACTERISTICS_NO_SEH = 0x0400, |
| /// Do not bind the image. |
| IMAGE_DLL_CHARACTERISTICS_NO_BIND = 0x0800, |
| ///< Image should execute in an AppContainer. |
| IMAGE_DLL_CHARACTERISTICS_APPCONTAINER = 0x1000, |
| ///< A WDM driver. |
| IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER = 0x2000, |
| ///< Image supports Control Flow Guard. |
| IMAGE_DLL_CHARACTERISTICS_GUARD_CF = 0x4000, |
| /// Terminal Server aware. |
| IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE = 0x8000 |
| }; |
| |
| enum DebugType : unsigned { |
| IMAGE_DEBUG_TYPE_UNKNOWN = 0, |
| IMAGE_DEBUG_TYPE_COFF = 1, |
| IMAGE_DEBUG_TYPE_CODEVIEW = 2, |
| IMAGE_DEBUG_TYPE_FPO = 3, |
| IMAGE_DEBUG_TYPE_MISC = 4, |
| IMAGE_DEBUG_TYPE_EXCEPTION = 5, |
| IMAGE_DEBUG_TYPE_FIXUP = 6, |
| IMAGE_DEBUG_TYPE_OMAP_TO_SRC = 7, |
| IMAGE_DEBUG_TYPE_OMAP_FROM_SRC = 8, |
| IMAGE_DEBUG_TYPE_BORLAND = 9, |
| IMAGE_DEBUG_TYPE_RESERVED10 = 10, |
| IMAGE_DEBUG_TYPE_CLSID = 11, |
| IMAGE_DEBUG_TYPE_VC_FEATURE = 12, |
| IMAGE_DEBUG_TYPE_POGO = 13, |
| IMAGE_DEBUG_TYPE_ILTCG = 14, |
| IMAGE_DEBUG_TYPE_MPX = 15, |
| IMAGE_DEBUG_TYPE_REPRO = 16, |
| }; |
| |
| enum BaseRelocationType : unsigned { |
| IMAGE_REL_BASED_ABSOLUTE = 0, |
| IMAGE_REL_BASED_HIGH = 1, |
| IMAGE_REL_BASED_LOW = 2, |
| IMAGE_REL_BASED_HIGHLOW = 3, |
| IMAGE_REL_BASED_HIGHADJ = 4, |
| IMAGE_REL_BASED_MIPS_JMPADDR = 5, |
| IMAGE_REL_BASED_ARM_MOV32A = 5, |
| IMAGE_REL_BASED_ARM_MOV32T = 7, |
| IMAGE_REL_BASED_MIPS_JMPADDR16 = 9, |
| IMAGE_REL_BASED_DIR64 = 10 |
| }; |
| |
| enum ImportType : unsigned { |
| IMPORT_CODE = 0, |
| IMPORT_DATA = 1, |
| IMPORT_CONST = 2 |
| }; |
| |
| enum ImportNameType : unsigned { |
| /// Import is by ordinal. This indicates that the value in the Ordinal/Hint |
| /// field of the import header is the import's ordinal. If this constant is |
| /// not specified, then the Ordinal/Hint field should always be interpreted |
| /// as the import's hint. |
| IMPORT_ORDINAL = 0, |
| /// The import name is identical to the public symbol name |
| IMPORT_NAME = 1, |
| /// The import name is the public symbol name, but skipping the leading ?, |
| /// @, or optionally _. |
| IMPORT_NAME_NOPREFIX = 2, |
| /// The import name is the public symbol name, but skipping the leading ?, |
| /// @, or optionally _, and truncating at the first @. |
| IMPORT_NAME_UNDECORATE = 3 |
| }; |
| |
| struct ImportHeader { |
| uint16_t Sig1; ///< Must be IMAGE_FILE_MACHINE_UNKNOWN (0). |
| uint16_t Sig2; ///< Must be 0xFFFF. |
| uint16_t Version; |
| uint16_t Machine; |
| uint32_t TimeDateStamp; |
| uint32_t SizeOfData; |
| uint16_t OrdinalHint; |
| uint16_t TypeInfo; |
| |
| ImportType getType() const { return static_cast<ImportType>(TypeInfo & 0x3); } |
| |
| ImportNameType getNameType() const { |
| return static_cast<ImportNameType>((TypeInfo & 0x1C) >> 2); |
| } |
| }; |
| |
| enum CodeViewIdentifiers { |
| DEBUG_SECTION_MAGIC = 0x4, |
| DEBUG_HASHES_SECTION_MAGIC = 0x133C9C5 |
| }; |
| |
| inline bool isReservedSectionNumber(int32_t SectionNumber) { |
| return SectionNumber <= 0; |
| } |
| |
| } // End namespace COFF. |
| } // End namespace llvm. |
| |
| #endif |