| //===-- 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_WIN_COFF_H |
| #define LLVM_SUPPORT_WIN_COFF_H |
| |
| #include "llvm/Support/DataTypes.h" |
| #include <cstring> |
| |
| namespace llvm { |
| namespace COFF { |
| |
| // Sizes in bytes of various things in the COFF format. |
| enum { |
| HeaderSize = 20, |
| NameSize = 8, |
| SymbolSize = 18, |
| SectionSize = 40, |
| RelocationSize = 10 |
| }; |
| |
| struct header { |
| uint16_t Machine; |
| uint16_t NumberOfSections; |
| uint32_t TimeDateStamp; |
| uint32_t PointerToSymbolTable; |
| uint32_t NumberOfSymbols; |
| uint16_t SizeOfOptionalHeader; |
| uint16_t Characteristics; |
| }; |
| |
| enum MachineTypes { |
| IMAGE_FILE_MACHINE_I386 = 0x14C, |
| IMAGE_FILE_MACHINE_AMD64 = 0x8664 |
| }; |
| |
| struct symbol { |
| char Name[NameSize]; |
| uint32_t Value; |
| uint16_t Type; |
| uint8_t StorageClass; |
| uint16_t SectionNumber; |
| uint8_t NumberOfAuxSymbols; |
| }; |
| |
| enum SymbolFlags { |
| SF_TypeMask = 0x0000FFFF, |
| SF_TypeShift = 0, |
| |
| SF_ClassMask = 0x00FF0000, |
| SF_ClassShift = 16, |
| |
| SF_WeakExternal = 0x01000000 |
| }; |
| |
| enum SymbolSectionNumber { |
| IMAGE_SYM_DEBUG = -2, |
| IMAGE_SYM_ABSOLUTE = -1, |
| IMAGE_SYM_UNDEFINED = 0 |
| }; |
| |
| /// Storage class tells where and what the symbol represents |
| enum SymbolStorageClass { |
| 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 |
| }; |
| |
| 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 { |
| 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 RelocationTypeX86 { |
| 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, |
| |
| 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 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 |
| }; |
| |
| // Auxiliary Symbol Formats |
| struct AuxiliaryFunctionDefinition { |
| uint32_t TagIndex; |
| uint32_t TotalSize; |
| uint32_t PointerToLinenumber; |
| uint32_t PointerToNextFunction; |
| uint8_t 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]; |
| }; |
| |
| /// These are not documented in the spec, but are located in WinNT.h. |
| enum WeakExternalCharacteristics { |
| IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY = 1, |
| IMAGE_WEAK_EXTERN_SEARCH_LIBRARY = 2, |
| IMAGE_WEAK_EXTERN_SEARCH_ALIAS = 3 |
| }; |
| |
| struct AuxiliaryFile { |
| uint8_t FileName[18]; |
| }; |
| |
| struct AuxiliarySectionDefinition { |
| uint32_t Length; |
| uint16_t NumberOfRelocations; |
| uint16_t NumberOfLinenumbers; |
| uint32_t CheckSum; |
| uint16_t Number; |
| uint8_t Selection; |
| uint8_t unused[3]; |
| }; |
| |
| union Auxiliary { |
| AuxiliaryFunctionDefinition FunctionDefinition; |
| AuxiliarybfAndefSymbol bfAndefSymbol; |
| AuxiliaryWeakExternal WeakExternal; |
| AuxiliaryFile File; |
| AuxiliarySectionDefinition SectionDefinition; |
| }; |
| |
| } // End namespace llvm. |
| } // End namespace COFF. |
| |
| #endif |
