|  | //===-- llvm/Support/COFF.h -------------------------------------*- C++ -*-===// | 
|  | // | 
|  | //                     The LLVM Compiler Infrastructure | 
|  | // | 
|  | // This file is distributed under the University of Illinois Open Source | 
|  | // License. See LICENSE.TXT for details. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | // 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_SUPPORT_COFF_H | 
|  | #define LLVM_SUPPORT_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', | 
|  | }; | 
|  |  | 
|  | // 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 { | 
|  | MT_Invalid = 0xffff, | 
|  |  | 
|  | IMAGE_FILE_MACHINE_UNKNOWN   = 0x0, | 
|  | IMAGE_FILE_MACHINE_AM33      = 0x13, | 
|  | 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_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 { | 
|  | 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 | 
|  | }; | 
|  |  | 
|  | 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 { | 
|  | 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 { | 
|  | 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 { | 
|  | 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 { | 
|  | 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 { | 
|  | 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_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 | 
|  | }; | 
|  |  | 
|  | enum COMDATType { | 
|  | 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 { | 
|  | 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; | 
|  | }; | 
|  |  | 
|  | /// @brief 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; | 
|  | }; | 
|  |  | 
|  | /// @brief 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; | 
|  |  | 
|  | /// @brief Is this entry specified by ordinal, or name? | 
|  | bool isOrdinal() const { return data & 0x80000000; } | 
|  |  | 
|  | /// @brief 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; | 
|  | } | 
|  |  | 
|  | /// @brief Set the ordinal value and set isOrdinal to true. | 
|  | void setOrdinal(uint16_t o) { | 
|  | data = o; | 
|  | data |= 0x80000000; | 
|  | } | 
|  |  | 
|  | /// @brief 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; | 
|  | } | 
|  |  | 
|  | /// @brief Set the Hint/Name entry RVA and set isOrdinal to false. | 
|  | void setHintNameRVA(uint32_t rva) { data = rva; } | 
|  | }; | 
|  |  | 
|  | /// @brief 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 { | 
|  | 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 { | 
|  | 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 { | 
|  | /// 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 { | 
|  | 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 { | 
|  | 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 { | 
|  | IMPORT_CODE  = 0, | 
|  | IMPORT_DATA  = 1, | 
|  | IMPORT_CONST = 2 | 
|  | }; | 
|  |  | 
|  | enum ImportNameType { | 
|  | /// 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, | 
|  | }; | 
|  |  | 
|  | inline bool isReservedSectionNumber(int32_t SectionNumber) { | 
|  | return SectionNumber <= 0; | 
|  | } | 
|  |  | 
|  | } // End namespace COFF. | 
|  | } // End namespace llvm. | 
|  |  | 
|  | #endif |