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',
+ };
+
// Sizes in bytes of various things in the COFF format.
enum {
- HeaderSize = 20,
+ Header16Size = 20,
+ Header32Size = 56,
NameSize = 8,
- SymbolSize = 18,
+ Symbol16Size = 18,
+ Symbol32Size = 20,
SectionSize = 40,
RelocationSize = 10
};
struct header {
uint16_t Machine;
- uint16_t NumberOfSections;
+ int32_t NumberOfSections;
uint32_t TimeDateStamp;
uint32_t PointerToSymbolTable;
uint32_t NumberOfSymbols;
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_AM33 = 0x13,
IMAGE_FILE_MACHINE_AMD64 = 0x8664,
IMAGE_FILE_MACHINE_ARM = 0x1C0,
- IMAGE_FILE_MACHINE_ARMV7 = 0x1C4,
+ 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,
struct symbol {
char Name[NameSize];
uint32_t Value;
- uint16_t SectionNumber;
+ int32_t SectionNumber;
uint16_t Type;
uint8_t StorageClass;
uint8_t NumberOfAuxSymbols;
};
- enum SymbolFlags {
- SF_TypeMask = 0x0000FFFF,
- SF_TypeShift = 0,
-
- SF_ClassMask = 0x00FF0000,
- SF_ClassShift = 16,
-
- SF_WeakExternal = 0x01000000
- };
-
- enum SymbolSectionNumber {
+ enum SymbolSectionNumber : int32_t {
IMAGE_SYM_DEBUG = -2,
IMAGE_SYM_ABSOLUTE = -1,
IMAGE_SYM_UNDEFINED = 0
SCT_COMPLEX_TYPE_SHIFT = 4
};
+ enum AuxSymbolType {
+ IMAGE_AUX_SYMBOL_TYPE_TOKEN_DEF = 1
+ };
+
struct section {
char Name[NameSize];
uint32_t VirtualSize;
uint32_t Characteristics;
};
- enum SectionCharacteristics LLVM_ENUM_INT_TYPE(uint32_t) {
+ 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,
uint16_t Type;
};
- enum RelocationTypeX86 {
+ enum RelocationTypeI386 {
IMAGE_REL_I386_ABSOLUTE = 0x0000,
IMAGE_REL_I386_DIR16 = 0x0001,
IMAGE_REL_I386_REL16 = 0x0002,
IMAGE_REL_I386_SECREL = 0x000B,
IMAGE_REL_I386_TOKEN = 0x000C,
IMAGE_REL_I386_SECREL7 = 0x000D,
- IMAGE_REL_I386_REL32 = 0x0014,
+ IMAGE_REL_I386_REL32 = 0x0014
+ };
+ enum RelocationTypeAMD64 {
IMAGE_REL_AMD64_ABSOLUTE = 0x0000,
IMAGE_REL_AMD64_ADDR64 = 0x0001,
IMAGE_REL_AMD64_ADDR32 = 0x0002,
uint32_t TotalSize;
uint32_t PointerToLinenumber;
uint32_t PointerToNextFunction;
- uint8_t unused[2];
+ char unused[2];
};
struct AuxiliarybfAndefSymbol {
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;
+ uint32_t Number;
uint8_t Selection;
- uint8_t unused[3];
+ char unused;
+ };
+
+ struct AuxiliaryCLRToken {
+ uint8_t AuxType;
+ uint8_t unused1;
+ uint32_t SymbolTableIndex;
+ char unused2[12];
};
union Auxiliary {
AuxiliaryFunctionDefinition FunctionDefinition;
AuxiliarybfAndefSymbol bfAndefSymbol;
AuxiliaryWeakExternal WeakExternal;
- AuxiliaryFile File;
AuxiliarySectionDefinition SectionDefinition;
};
uint32_t AddressOfNewExeHeader;
};
- struct PEHeader {
+ struct PE32Header {
+ enum {
+ PE32 = 0x10b,
+ PE32_PLUS = 0x20b
+ };
+
uint16_t Magic;
uint8_t MajorLinkerVersion;
uint8_t MinorLinkerVersion;
uint32_t AddressOfEntryPoint; // RVA
uint32_t BaseOfCode; // RVA
uint32_t BaseOfData; // RVA
- uint64_t ImageBase;
+ uint32_t ImageBase;
uint32_t SectionAlignment;
uint32_t FileAlignment;
uint16_t MajorOperatingSystemVersion;
uint32_t SizeOfHeaders;
uint32_t CheckSum;
uint16_t Subsystem;
+ // FIXME: This should be DllCharacteristics to match the COFF spec.
uint16_t DLLCharacteristics;
- uint64_t SizeOfStackReserve;
- uint64_t SizeOfStackCommit;
- uint64_t SizeOfHeapReserve;
- uint64_t SizeOfHeapCommit;
+ 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;
};
BOUND_IMPORT,
IAT,
DELAY_IMPORT_DESCRIPTOR,
- CLR_RUNTIME_HEADER
+ CLR_RUNTIME_HEADER,
+
+ NUM_DATA_DIRECTORIES
};
enum WindowsSubsystem {
};
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_DLL_CHARACTERISTICS_NX_COMPAT = 0x0100, ///< Image is NX compatible.
+ ///< 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
IMAGE_DLL_CHARACTERISTICS_NO_SEH = 0x0400,
/// Do not bind the image.
IMAGE_DLL_CHARACTERISTICS_NO_BIND = 0x0800,
- IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER = 0x2000, ///< A WDM driver.
+ ///< 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 CodeViewIdentifiers {
+ DEBUG_LINE_TABLES_HAVE_COLUMN_RECORDS = 0x1,
+ DEBUG_SECTION_MAGIC = 0x4,
+ DEBUG_SYMBOL_SUBSECTION = 0xF1,
+ DEBUG_LINE_TABLE_SUBSECTION = 0xF2,
+ DEBUG_STRING_TABLE_SUBSECTION = 0xF3,
+ DEBUG_INDEX_SUBSECTION = 0xF4,
+
+ // Symbol subsections are split into records of different types.
+ DEBUG_SYMBOL_TYPE_PROC_START = 0x1147,
+ DEBUG_SYMBOL_TYPE_PROC_END = 0x114F
+ };
+
+ inline bool isReservedSectionNumber(int32_t SectionNumber) {
+ return SectionNumber <= 0;
+ }
+
} // End namespace COFF.
} // End namespace llvm.
projects / oota-llvm.git / blobdiff