Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/Object/COFF.h b/linux-x64/clang/include/llvm/Object/COFF.h
new file mode 100644
index 0000000..9190149
--- /dev/null
+++ b/linux-x64/clang/include/llvm/Object/COFF.h
@@ -0,0 +1,1226 @@
+//===- COFF.h - COFF object file implementation -----------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the COFFObjectFile class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_OBJECT_COFF_H
+#define LLVM_OBJECT_COFF_H
+
+#include "llvm/ADT/iterator_range.h"
+#include "llvm/BinaryFormat/COFF.h"
+#include "llvm/MC/SubtargetFeature.h"
+#include "llvm/Object/Binary.h"
+#include "llvm/Object/CVDebugRecord.h"
+#include "llvm/Object/Error.h"
+#include "llvm/Object/ObjectFile.h"
+#include "llvm/Support/BinaryByteStream.h"
+#include "llvm/Support/ConvertUTF.h"
+#include "llvm/Support/Endian.h"
+#include "llvm/Support/ErrorHandling.h"
+#include <cassert>
+#include <cstddef>
+#include <cstdint>
+#include <system_error>
+
+namespace llvm {
+
+template <typename T> class ArrayRef;
+
+namespace object {
+
+class BaseRelocRef;
+class DelayImportDirectoryEntryRef;
+class ExportDirectoryEntryRef;
+class ImportDirectoryEntryRef;
+class ImportedSymbolRef;
+class ResourceSectionRef;
+
+using import_directory_iterator = content_iterator<ImportDirectoryEntryRef>;
+using delay_import_directory_iterator =
+ content_iterator<DelayImportDirectoryEntryRef>;
+using export_directory_iterator = content_iterator<ExportDirectoryEntryRef>;
+using imported_symbol_iterator = content_iterator<ImportedSymbolRef>;
+using base_reloc_iterator = content_iterator<BaseRelocRef>;
+
+/// The DOS compatible header at the front of all PE/COFF executables.
+struct dos_header {
+ char Magic[2];
+ support::ulittle16_t UsedBytesInTheLastPage;
+ support::ulittle16_t FileSizeInPages;
+ support::ulittle16_t NumberOfRelocationItems;
+ support::ulittle16_t HeaderSizeInParagraphs;
+ support::ulittle16_t MinimumExtraParagraphs;
+ support::ulittle16_t MaximumExtraParagraphs;
+ support::ulittle16_t InitialRelativeSS;
+ support::ulittle16_t InitialSP;
+ support::ulittle16_t Checksum;
+ support::ulittle16_t InitialIP;
+ support::ulittle16_t InitialRelativeCS;
+ support::ulittle16_t AddressOfRelocationTable;
+ support::ulittle16_t OverlayNumber;
+ support::ulittle16_t Reserved[4];
+ support::ulittle16_t OEMid;
+ support::ulittle16_t OEMinfo;
+ support::ulittle16_t Reserved2[10];
+ support::ulittle32_t AddressOfNewExeHeader;
+};
+
+struct coff_file_header {
+ support::ulittle16_t Machine;
+ support::ulittle16_t NumberOfSections;
+ support::ulittle32_t TimeDateStamp;
+ support::ulittle32_t PointerToSymbolTable;
+ support::ulittle32_t NumberOfSymbols;
+ support::ulittle16_t SizeOfOptionalHeader;
+ support::ulittle16_t Characteristics;
+
+ bool isImportLibrary() const { return NumberOfSections == 0xffff; }
+};
+
+struct coff_bigobj_file_header {
+ support::ulittle16_t Sig1;
+ support::ulittle16_t Sig2;
+ support::ulittle16_t Version;
+ support::ulittle16_t Machine;
+ support::ulittle32_t TimeDateStamp;
+ uint8_t UUID[16];
+ support::ulittle32_t unused1;
+ support::ulittle32_t unused2;
+ support::ulittle32_t unused3;
+ support::ulittle32_t unused4;
+ support::ulittle32_t NumberOfSections;
+ support::ulittle32_t PointerToSymbolTable;
+ support::ulittle32_t NumberOfSymbols;
+};
+
+/// The 32-bit PE header that follows the COFF header.
+struct pe32_header {
+ support::ulittle16_t Magic;
+ uint8_t MajorLinkerVersion;
+ uint8_t MinorLinkerVersion;
+ support::ulittle32_t SizeOfCode;
+ support::ulittle32_t SizeOfInitializedData;
+ support::ulittle32_t SizeOfUninitializedData;
+ support::ulittle32_t AddressOfEntryPoint;
+ support::ulittle32_t BaseOfCode;
+ support::ulittle32_t BaseOfData;
+ support::ulittle32_t ImageBase;
+ support::ulittle32_t SectionAlignment;
+ support::ulittle32_t FileAlignment;
+ support::ulittle16_t MajorOperatingSystemVersion;
+ support::ulittle16_t MinorOperatingSystemVersion;
+ support::ulittle16_t MajorImageVersion;
+ support::ulittle16_t MinorImageVersion;
+ support::ulittle16_t MajorSubsystemVersion;
+ support::ulittle16_t MinorSubsystemVersion;
+ support::ulittle32_t Win32VersionValue;
+ support::ulittle32_t SizeOfImage;
+ support::ulittle32_t SizeOfHeaders;
+ support::ulittle32_t CheckSum;
+ support::ulittle16_t Subsystem;
+ // FIXME: This should be DllCharacteristics.
+ support::ulittle16_t DLLCharacteristics;
+ support::ulittle32_t SizeOfStackReserve;
+ support::ulittle32_t SizeOfStackCommit;
+ support::ulittle32_t SizeOfHeapReserve;
+ support::ulittle32_t SizeOfHeapCommit;
+ support::ulittle32_t LoaderFlags;
+ // FIXME: This should be NumberOfRvaAndSizes.
+ support::ulittle32_t NumberOfRvaAndSize;
+};
+
+/// The 64-bit PE header that follows the COFF header.
+struct pe32plus_header {
+ support::ulittle16_t Magic;
+ uint8_t MajorLinkerVersion;
+ uint8_t MinorLinkerVersion;
+ support::ulittle32_t SizeOfCode;
+ support::ulittle32_t SizeOfInitializedData;
+ support::ulittle32_t SizeOfUninitializedData;
+ support::ulittle32_t AddressOfEntryPoint;
+ support::ulittle32_t BaseOfCode;
+ support::ulittle64_t ImageBase;
+ support::ulittle32_t SectionAlignment;
+ support::ulittle32_t FileAlignment;
+ support::ulittle16_t MajorOperatingSystemVersion;
+ support::ulittle16_t MinorOperatingSystemVersion;
+ support::ulittle16_t MajorImageVersion;
+ support::ulittle16_t MinorImageVersion;
+ support::ulittle16_t MajorSubsystemVersion;
+ support::ulittle16_t MinorSubsystemVersion;
+ support::ulittle32_t Win32VersionValue;
+ support::ulittle32_t SizeOfImage;
+ support::ulittle32_t SizeOfHeaders;
+ support::ulittle32_t CheckSum;
+ support::ulittle16_t Subsystem;
+ support::ulittle16_t DLLCharacteristics;
+ support::ulittle64_t SizeOfStackReserve;
+ support::ulittle64_t SizeOfStackCommit;
+ support::ulittle64_t SizeOfHeapReserve;
+ support::ulittle64_t SizeOfHeapCommit;
+ support::ulittle32_t LoaderFlags;
+ support::ulittle32_t NumberOfRvaAndSize;
+};
+
+struct data_directory {
+ support::ulittle32_t RelativeVirtualAddress;
+ support::ulittle32_t Size;
+};
+
+struct debug_directory {
+ support::ulittle32_t Characteristics;
+ support::ulittle32_t TimeDateStamp;
+ support::ulittle16_t MajorVersion;
+ support::ulittle16_t MinorVersion;
+ support::ulittle32_t Type;
+ support::ulittle32_t SizeOfData;
+ support::ulittle32_t AddressOfRawData;
+ support::ulittle32_t PointerToRawData;
+};
+
+template <typename IntTy>
+struct import_lookup_table_entry {
+ IntTy Data;
+
+ bool isOrdinal() const { return Data < 0; }
+
+ uint16_t getOrdinal() const {
+ assert(isOrdinal() && "ILT entry is not an ordinal!");
+ return Data & 0xFFFF;
+ }
+
+ uint32_t getHintNameRVA() const {
+ assert(!isOrdinal() && "ILT entry is not a Hint/Name RVA!");
+ return Data & 0xFFFFFFFF;
+ }
+};
+
+using import_lookup_table_entry32 =
+ import_lookup_table_entry<support::little32_t>;
+using import_lookup_table_entry64 =
+ import_lookup_table_entry<support::little64_t>;
+
+struct delay_import_directory_table_entry {
+ // dumpbin reports this field as "Characteristics" instead of "Attributes".
+ support::ulittle32_t Attributes;
+ support::ulittle32_t Name;
+ support::ulittle32_t ModuleHandle;
+ support::ulittle32_t DelayImportAddressTable;
+ support::ulittle32_t DelayImportNameTable;
+ support::ulittle32_t BoundDelayImportTable;
+ support::ulittle32_t UnloadDelayImportTable;
+ support::ulittle32_t TimeStamp;
+};
+
+struct export_directory_table_entry {
+ support::ulittle32_t ExportFlags;
+ support::ulittle32_t TimeDateStamp;
+ support::ulittle16_t MajorVersion;
+ support::ulittle16_t MinorVersion;
+ support::ulittle32_t NameRVA;
+ support::ulittle32_t OrdinalBase;
+ support::ulittle32_t AddressTableEntries;
+ support::ulittle32_t NumberOfNamePointers;
+ support::ulittle32_t ExportAddressTableRVA;
+ support::ulittle32_t NamePointerRVA;
+ support::ulittle32_t OrdinalTableRVA;
+};
+
+union export_address_table_entry {
+ support::ulittle32_t ExportRVA;
+ support::ulittle32_t ForwarderRVA;
+};
+
+using export_name_pointer_table_entry = support::ulittle32_t;
+using export_ordinal_table_entry = support::ulittle16_t;
+
+struct StringTableOffset {
+ support::ulittle32_t Zeroes;
+ support::ulittle32_t Offset;
+};
+
+template <typename SectionNumberType>
+struct coff_symbol {
+ union {
+ char ShortName[COFF::NameSize];
+ StringTableOffset Offset;
+ } Name;
+
+ support::ulittle32_t Value;
+ SectionNumberType SectionNumber;
+
+ support::ulittle16_t Type;
+
+ uint8_t StorageClass;
+ uint8_t NumberOfAuxSymbols;
+};
+
+using coff_symbol16 = coff_symbol<support::ulittle16_t>;
+using coff_symbol32 = coff_symbol<support::ulittle32_t>;
+
+// Contains only common parts of coff_symbol16 and coff_symbol32.
+struct coff_symbol_generic {
+ union {
+ char ShortName[COFF::NameSize];
+ StringTableOffset Offset;
+ } Name;
+ support::ulittle32_t Value;
+};
+
+struct coff_aux_section_definition;
+
+class COFFSymbolRef {
+public:
+ COFFSymbolRef() = default;
+ COFFSymbolRef(const coff_symbol16 *CS) : CS16(CS) {}
+ COFFSymbolRef(const coff_symbol32 *CS) : CS32(CS) {}
+
+ const void *getRawPtr() const {
+ return CS16 ? static_cast<const void *>(CS16) : CS32;
+ }
+
+ const coff_symbol_generic *getGeneric() const {
+ if (CS16)
+ return reinterpret_cast<const coff_symbol_generic *>(CS16);
+ return reinterpret_cast<const coff_symbol_generic *>(CS32);
+ }
+
+ friend bool operator<(COFFSymbolRef A, COFFSymbolRef B) {
+ return A.getRawPtr() < B.getRawPtr();
+ }
+
+ bool isBigObj() const {
+ if (CS16)
+ return false;
+ if (CS32)
+ return true;
+ llvm_unreachable("COFFSymbolRef points to nothing!");
+ }
+
+ const char *getShortName() const {
+ return CS16 ? CS16->Name.ShortName : CS32->Name.ShortName;
+ }
+
+ const StringTableOffset &getStringTableOffset() const {
+ assert(isSet() && "COFFSymbolRef points to nothing!");
+ return CS16 ? CS16->Name.Offset : CS32->Name.Offset;
+ }
+
+ uint32_t getValue() const { return CS16 ? CS16->Value : CS32->Value; }
+
+ int32_t getSectionNumber() const {
+ assert(isSet() && "COFFSymbolRef points to nothing!");
+ if (CS16) {
+ // Reserved sections are returned as negative numbers.
+ if (CS16->SectionNumber <= COFF::MaxNumberOfSections16)
+ return CS16->SectionNumber;
+ return static_cast<int16_t>(CS16->SectionNumber);
+ }
+ return static_cast<int32_t>(CS32->SectionNumber);
+ }
+
+ uint16_t getType() const {
+ assert(isSet() && "COFFSymbolRef points to nothing!");
+ return CS16 ? CS16->Type : CS32->Type;
+ }
+
+ uint8_t getStorageClass() const {
+ assert(isSet() && "COFFSymbolRef points to nothing!");
+ return CS16 ? CS16->StorageClass : CS32->StorageClass;
+ }
+
+ uint8_t getNumberOfAuxSymbols() const {
+ assert(isSet() && "COFFSymbolRef points to nothing!");
+ return CS16 ? CS16->NumberOfAuxSymbols : CS32->NumberOfAuxSymbols;
+ }
+
+ uint8_t getBaseType() const { return getType() & 0x0F; }
+
+ uint8_t getComplexType() const {
+ return (getType() & 0xF0) >> COFF::SCT_COMPLEX_TYPE_SHIFT;
+ }
+
+ template <typename T> const T *getAux() const {
+ return CS16 ? reinterpret_cast<const T *>(CS16 + 1)
+ : reinterpret_cast<const T *>(CS32 + 1);
+ }
+
+ const coff_aux_section_definition *getSectionDefinition() const {
+ if (!getNumberOfAuxSymbols() ||
+ getStorageClass() != COFF::IMAGE_SYM_CLASS_STATIC)
+ return nullptr;
+ return getAux<coff_aux_section_definition>();
+ }
+
+ bool isAbsolute() const {
+ return getSectionNumber() == -1;
+ }
+
+ bool isExternal() const {
+ return getStorageClass() == COFF::IMAGE_SYM_CLASS_EXTERNAL;
+ }
+
+ bool isCommon() const {
+ return isExternal() && getSectionNumber() == COFF::IMAGE_SYM_UNDEFINED &&
+ getValue() != 0;
+ }
+
+ bool isUndefined() const {
+ return isExternal() && getSectionNumber() == COFF::IMAGE_SYM_UNDEFINED &&
+ getValue() == 0;
+ }
+
+ bool isWeakExternal() const {
+ return getStorageClass() == COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL;
+ }
+
+ bool isFunctionDefinition() const {
+ return isExternal() && getBaseType() == COFF::IMAGE_SYM_TYPE_NULL &&
+ getComplexType() == COFF::IMAGE_SYM_DTYPE_FUNCTION &&
+ !COFF::isReservedSectionNumber(getSectionNumber());
+ }
+
+ bool isFunctionLineInfo() const {
+ return getStorageClass() == COFF::IMAGE_SYM_CLASS_FUNCTION;
+ }
+
+ bool isAnyUndefined() const {
+ return isUndefined() || isWeakExternal();
+ }
+
+ bool isFileRecord() const {
+ return getStorageClass() == COFF::IMAGE_SYM_CLASS_FILE;
+ }
+
+ bool isSection() const {
+ return getStorageClass() == COFF::IMAGE_SYM_CLASS_SECTION;
+ }
+
+ bool isSectionDefinition() const {
+ // C++/CLI creates external ABS symbols for non-const appdomain globals.
+ // These are also followed by an auxiliary section definition.
+ bool isAppdomainGlobal =
+ getStorageClass() == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
+ getSectionNumber() == COFF::IMAGE_SYM_ABSOLUTE;
+ bool isOrdinarySection = getStorageClass() == COFF::IMAGE_SYM_CLASS_STATIC;
+ if (!getNumberOfAuxSymbols())
+ return false;
+ return isAppdomainGlobal || isOrdinarySection;
+ }
+
+ bool isCLRToken() const {
+ return getStorageClass() == COFF::IMAGE_SYM_CLASS_CLR_TOKEN;
+ }
+
+private:
+ bool isSet() const { return CS16 || CS32; }
+
+ const coff_symbol16 *CS16 = nullptr;
+ const coff_symbol32 *CS32 = nullptr;
+};
+
+struct coff_section {
+ char Name[COFF::NameSize];
+ support::ulittle32_t VirtualSize;
+ support::ulittle32_t VirtualAddress;
+ support::ulittle32_t SizeOfRawData;
+ support::ulittle32_t PointerToRawData;
+ support::ulittle32_t PointerToRelocations;
+ support::ulittle32_t PointerToLinenumbers;
+ support::ulittle16_t NumberOfRelocations;
+ support::ulittle16_t NumberOfLinenumbers;
+ support::ulittle32_t Characteristics;
+
+ // Returns true if the actual number of relocations is stored in
+ // VirtualAddress field of the first relocation table entry.
+ bool hasExtendedRelocations() const {
+ return (Characteristics & COFF::IMAGE_SCN_LNK_NRELOC_OVFL) &&
+ NumberOfRelocations == UINT16_MAX;
+ }
+
+ uint32_t getAlignment() const {
+ // The IMAGE_SCN_TYPE_NO_PAD bit is a legacy way of getting to
+ // IMAGE_SCN_ALIGN_1BYTES.
+ if (Characteristics & COFF::IMAGE_SCN_TYPE_NO_PAD)
+ return 1;
+
+ // Bit [20:24] contains section alignment. Both 0 and 1 mean alignment 1.
+ uint32_t Shift = (Characteristics >> 20) & 0xF;
+ if (Shift > 0)
+ return 1U << (Shift - 1);
+ return 1;
+ }
+};
+
+struct coff_relocation {
+ support::ulittle32_t VirtualAddress;
+ support::ulittle32_t SymbolTableIndex;
+ support::ulittle16_t Type;
+};
+
+struct coff_aux_function_definition {
+ support::ulittle32_t TagIndex;
+ support::ulittle32_t TotalSize;
+ support::ulittle32_t PointerToLinenumber;
+ support::ulittle32_t PointerToNextFunction;
+ char Unused1[2];
+};
+
+static_assert(sizeof(coff_aux_function_definition) == 18,
+ "auxiliary entry must be 18 bytes");
+
+struct coff_aux_bf_and_ef_symbol {
+ char Unused1[4];
+ support::ulittle16_t Linenumber;
+ char Unused2[6];
+ support::ulittle32_t PointerToNextFunction;
+ char Unused3[2];
+};
+
+static_assert(sizeof(coff_aux_bf_and_ef_symbol) == 18,
+ "auxiliary entry must be 18 bytes");
+
+struct coff_aux_weak_external {
+ support::ulittle32_t TagIndex;
+ support::ulittle32_t Characteristics;
+ char Unused1[10];
+};
+
+static_assert(sizeof(coff_aux_weak_external) == 18,
+ "auxiliary entry must be 18 bytes");
+
+struct coff_aux_section_definition {
+ support::ulittle32_t Length;
+ support::ulittle16_t NumberOfRelocations;
+ support::ulittle16_t NumberOfLinenumbers;
+ support::ulittle32_t CheckSum;
+ support::ulittle16_t NumberLowPart;
+ uint8_t Selection;
+ uint8_t Unused;
+ support::ulittle16_t NumberHighPart;
+ int32_t getNumber(bool IsBigObj) const {
+ uint32_t Number = static_cast<uint32_t>(NumberLowPart);
+ if (IsBigObj)
+ Number |= static_cast<uint32_t>(NumberHighPart) << 16;
+ return static_cast<int32_t>(Number);
+ }
+};
+
+static_assert(sizeof(coff_aux_section_definition) == 18,
+ "auxiliary entry must be 18 bytes");
+
+struct coff_aux_clr_token {
+ uint8_t AuxType;
+ uint8_t Reserved;
+ support::ulittle32_t SymbolTableIndex;
+ char MBZ[12];
+};
+
+static_assert(sizeof(coff_aux_clr_token) == 18,
+ "auxiliary entry must be 18 bytes");
+
+struct coff_import_header {
+ support::ulittle16_t Sig1;
+ support::ulittle16_t Sig2;
+ support::ulittle16_t Version;
+ support::ulittle16_t Machine;
+ support::ulittle32_t TimeDateStamp;
+ support::ulittle32_t SizeOfData;
+ support::ulittle16_t OrdinalHint;
+ support::ulittle16_t TypeInfo;
+
+ int getType() const { return TypeInfo & 0x3; }
+ int getNameType() const { return (TypeInfo >> 2) & 0x7; }
+};
+
+struct coff_import_directory_table_entry {
+ support::ulittle32_t ImportLookupTableRVA;
+ support::ulittle32_t TimeDateStamp;
+ support::ulittle32_t ForwarderChain;
+ support::ulittle32_t NameRVA;
+ support::ulittle32_t ImportAddressTableRVA;
+
+ bool isNull() const {
+ return ImportLookupTableRVA == 0 && TimeDateStamp == 0 &&
+ ForwarderChain == 0 && NameRVA == 0 && ImportAddressTableRVA == 0;
+ }
+};
+
+template <typename IntTy>
+struct coff_tls_directory {
+ IntTy StartAddressOfRawData;
+ IntTy EndAddressOfRawData;
+ IntTy AddressOfIndex;
+ IntTy AddressOfCallBacks;
+ support::ulittle32_t SizeOfZeroFill;
+ support::ulittle32_t Characteristics;
+
+ uint32_t getAlignment() const {
+ // Bit [20:24] contains section alignment.
+ uint32_t Shift = (Characteristics & 0x00F00000) >> 20;
+ if (Shift > 0)
+ return 1U << (Shift - 1);
+ return 0;
+ }
+};
+
+using coff_tls_directory32 = coff_tls_directory<support::little32_t>;
+using coff_tls_directory64 = coff_tls_directory<support::little64_t>;
+
+/// Bits in control flow guard flags as we understand them.
+enum class coff_guard_flags : uint32_t {
+ CFInstrumented = 0x00000100,
+ HasFidTable = 0x00000400,
+ ProtectDelayLoadIAT = 0x00001000,
+ DelayLoadIATSection = 0x00002000, // Delay load in separate section
+ HasLongJmpTable = 0x00010000,
+ FidTableHasFlags = 0x10000000, // Indicates that fid tables are 5 bytes
+};
+
+struct coff_load_config_code_integrity {
+ support::ulittle16_t Flags;
+ support::ulittle16_t Catalog;
+ support::ulittle32_t CatalogOffset;
+ support::ulittle32_t Reserved;
+};
+
+/// 32-bit load config (IMAGE_LOAD_CONFIG_DIRECTORY32)
+struct coff_load_configuration32 {
+ support::ulittle32_t Size;
+ support::ulittle32_t TimeDateStamp;
+ support::ulittle16_t MajorVersion;
+ support::ulittle16_t MinorVersion;
+ support::ulittle32_t GlobalFlagsClear;
+ support::ulittle32_t GlobalFlagsSet;
+ support::ulittle32_t CriticalSectionDefaultTimeout;
+ support::ulittle32_t DeCommitFreeBlockThreshold;
+ support::ulittle32_t DeCommitTotalFreeThreshold;
+ support::ulittle32_t LockPrefixTable;
+ support::ulittle32_t MaximumAllocationSize;
+ support::ulittle32_t VirtualMemoryThreshold;
+ support::ulittle32_t ProcessAffinityMask;
+ support::ulittle32_t ProcessHeapFlags;
+ support::ulittle16_t CSDVersion;
+ support::ulittle16_t DependentLoadFlags;
+ support::ulittle32_t EditList;
+ support::ulittle32_t SecurityCookie;
+ support::ulittle32_t SEHandlerTable;
+ support::ulittle32_t SEHandlerCount;
+
+ // Added in MSVC 2015 for /guard:cf.
+ support::ulittle32_t GuardCFCheckFunction;
+ support::ulittle32_t GuardCFCheckDispatch;
+ support::ulittle32_t GuardCFFunctionTable;
+ support::ulittle32_t GuardCFFunctionCount;
+ support::ulittle32_t GuardFlags; // coff_guard_flags
+
+ // Added in MSVC 2017
+ coff_load_config_code_integrity CodeIntegrity;
+ support::ulittle32_t GuardAddressTakenIatEntryTable;
+ support::ulittle32_t GuardAddressTakenIatEntryCount;
+ support::ulittle32_t GuardLongJumpTargetTable;
+ support::ulittle32_t GuardLongJumpTargetCount;
+ support::ulittle32_t DynamicValueRelocTable;
+ support::ulittle32_t CHPEMetadataPointer;
+ support::ulittle32_t GuardRFFailureRoutine;
+ support::ulittle32_t GuardRFFailureRoutineFunctionPointer;
+ support::ulittle32_t DynamicValueRelocTableOffset;
+ support::ulittle16_t DynamicValueRelocTableSection;
+ support::ulittle16_t Reserved2;
+ support::ulittle32_t GuardRFVerifyStackPointerFunctionPointer;
+ support::ulittle32_t HotPatchTableOffset;
+};
+
+/// 64-bit load config (IMAGE_LOAD_CONFIG_DIRECTORY64)
+struct coff_load_configuration64 {
+ support::ulittle32_t Size;
+ support::ulittle32_t TimeDateStamp;
+ support::ulittle16_t MajorVersion;
+ support::ulittle16_t MinorVersion;
+ support::ulittle32_t GlobalFlagsClear;
+ support::ulittle32_t GlobalFlagsSet;
+ support::ulittle32_t CriticalSectionDefaultTimeout;
+ support::ulittle64_t DeCommitFreeBlockThreshold;
+ support::ulittle64_t DeCommitTotalFreeThreshold;
+ support::ulittle64_t LockPrefixTable;
+ support::ulittle64_t MaximumAllocationSize;
+ support::ulittle64_t VirtualMemoryThreshold;
+ support::ulittle64_t ProcessAffinityMask;
+ support::ulittle32_t ProcessHeapFlags;
+ support::ulittle16_t CSDVersion;
+ support::ulittle16_t DependentLoadFlags;
+ support::ulittle64_t EditList;
+ support::ulittle64_t SecurityCookie;
+ support::ulittle64_t SEHandlerTable;
+ support::ulittle64_t SEHandlerCount;
+
+ // Added in MSVC 2015 for /guard:cf.
+ support::ulittle64_t GuardCFCheckFunction;
+ support::ulittle64_t GuardCFCheckDispatch;
+ support::ulittle64_t GuardCFFunctionTable;
+ support::ulittle64_t GuardCFFunctionCount;
+ support::ulittle32_t GuardFlags;
+
+ // Added in MSVC 2017
+ coff_load_config_code_integrity CodeIntegrity;
+ support::ulittle64_t GuardAddressTakenIatEntryTable;
+ support::ulittle64_t GuardAddressTakenIatEntryCount;
+ support::ulittle64_t GuardLongJumpTargetTable;
+ support::ulittle64_t GuardLongJumpTargetCount;
+ support::ulittle64_t DynamicValueRelocTable;
+ support::ulittle64_t CHPEMetadataPointer;
+ support::ulittle64_t GuardRFFailureRoutine;
+ support::ulittle64_t GuardRFFailureRoutineFunctionPointer;
+ support::ulittle32_t DynamicValueRelocTableOffset;
+ support::ulittle16_t DynamicValueRelocTableSection;
+ support::ulittle16_t Reserved2;
+ support::ulittle64_t GuardRFVerifyStackPointerFunctionPointer;
+ support::ulittle32_t HotPatchTableOffset;
+};
+
+struct coff_runtime_function_x64 {
+ support::ulittle32_t BeginAddress;
+ support::ulittle32_t EndAddress;
+ support::ulittle32_t UnwindInformation;
+};
+
+struct coff_base_reloc_block_header {
+ support::ulittle32_t PageRVA;
+ support::ulittle32_t BlockSize;
+};
+
+struct coff_base_reloc_block_entry {
+ support::ulittle16_t Data;
+
+ int getType() const { return Data >> 12; }
+ int getOffset() const { return Data & ((1 << 12) - 1); }
+};
+
+struct coff_resource_dir_entry {
+ union {
+ support::ulittle32_t NameOffset;
+ support::ulittle32_t ID;
+ uint32_t getNameOffset() const {
+ return maskTrailingOnes<uint32_t>(31) & NameOffset;
+ }
+ // Even though the PE/COFF spec doesn't mention this, the high bit of a name
+ // offset is set.
+ void setNameOffset(uint32_t Offset) { NameOffset = Offset | (1 << 31); }
+ } Identifier;
+ union {
+ support::ulittle32_t DataEntryOffset;
+ support::ulittle32_t SubdirOffset;
+
+ bool isSubDir() const { return SubdirOffset >> 31; }
+ uint32_t value() const {
+ return maskTrailingOnes<uint32_t>(31) & SubdirOffset;
+ }
+
+ } Offset;
+};
+
+struct coff_resource_data_entry {
+ support::ulittle32_t DataRVA;
+ support::ulittle32_t DataSize;
+ support::ulittle32_t Codepage;
+ support::ulittle32_t Reserved;
+};
+
+struct coff_resource_dir_table {
+ support::ulittle32_t Characteristics;
+ support::ulittle32_t TimeDateStamp;
+ support::ulittle16_t MajorVersion;
+ support::ulittle16_t MinorVersion;
+ support::ulittle16_t NumberOfNameEntries;
+ support::ulittle16_t NumberOfIDEntries;
+};
+
+struct debug_h_header {
+ support::ulittle32_t Magic;
+ support::ulittle16_t Version;
+ support::ulittle16_t HashAlgorithm;
+};
+
+class COFFObjectFile : public ObjectFile {
+private:
+ friend class ImportDirectoryEntryRef;
+ friend class ExportDirectoryEntryRef;
+ const coff_file_header *COFFHeader;
+ const coff_bigobj_file_header *COFFBigObjHeader;
+ const pe32_header *PE32Header;
+ const pe32plus_header *PE32PlusHeader;
+ const data_directory *DataDirectory;
+ const coff_section *SectionTable;
+ const coff_symbol16 *SymbolTable16;
+ const coff_symbol32 *SymbolTable32;
+ const char *StringTable;
+ uint32_t StringTableSize;
+ const coff_import_directory_table_entry *ImportDirectory;
+ const delay_import_directory_table_entry *DelayImportDirectory;
+ uint32_t NumberOfDelayImportDirectory;
+ const export_directory_table_entry *ExportDirectory;
+ const coff_base_reloc_block_header *BaseRelocHeader;
+ const coff_base_reloc_block_header *BaseRelocEnd;
+ const debug_directory *DebugDirectoryBegin;
+ const debug_directory *DebugDirectoryEnd;
+ // Either coff_load_configuration32 or coff_load_configuration64.
+ const void *LoadConfig = nullptr;
+
+ std::error_code getString(uint32_t offset, StringRef &Res) const;
+
+ template <typename coff_symbol_type>
+ const coff_symbol_type *toSymb(DataRefImpl Symb) const;
+ const coff_section *toSec(DataRefImpl Sec) const;
+ const coff_relocation *toRel(DataRefImpl Rel) const;
+
+ std::error_code initSymbolTablePtr();
+ std::error_code initImportTablePtr();
+ std::error_code initDelayImportTablePtr();
+ std::error_code initExportTablePtr();
+ std::error_code initBaseRelocPtr();
+ std::error_code initDebugDirectoryPtr();
+ std::error_code initLoadConfigPtr();
+
+public:
+ uintptr_t getSymbolTable() const {
+ if (SymbolTable16)
+ return reinterpret_cast<uintptr_t>(SymbolTable16);
+ if (SymbolTable32)
+ return reinterpret_cast<uintptr_t>(SymbolTable32);
+ return uintptr_t(0);
+ }
+
+ uint16_t getMachine() const {
+ if (COFFHeader)
+ return COFFHeader->Machine;
+ if (COFFBigObjHeader)
+ return COFFBigObjHeader->Machine;
+ llvm_unreachable("no COFF header!");
+ }
+
+ uint16_t getSizeOfOptionalHeader() const {
+ if (COFFHeader)
+ return COFFHeader->isImportLibrary() ? 0
+ : COFFHeader->SizeOfOptionalHeader;
+ // bigobj doesn't have this field.
+ if (COFFBigObjHeader)
+ return 0;
+ llvm_unreachable("no COFF header!");
+ }
+
+ uint16_t getCharacteristics() const {
+ if (COFFHeader)
+ return COFFHeader->isImportLibrary() ? 0 : COFFHeader->Characteristics;
+ // bigobj doesn't have characteristics to speak of,
+ // editbin will silently lie to you if you attempt to set any.
+ if (COFFBigObjHeader)
+ return 0;
+ llvm_unreachable("no COFF header!");
+ }
+
+ uint32_t getTimeDateStamp() const {
+ if (COFFHeader)
+ return COFFHeader->TimeDateStamp;
+ if (COFFBigObjHeader)
+ return COFFBigObjHeader->TimeDateStamp;
+ llvm_unreachable("no COFF header!");
+ }
+
+ uint32_t getNumberOfSections() const {
+ if (COFFHeader)
+ return COFFHeader->isImportLibrary() ? 0 : COFFHeader->NumberOfSections;
+ if (COFFBigObjHeader)
+ return COFFBigObjHeader->NumberOfSections;
+ llvm_unreachable("no COFF header!");
+ }
+
+ uint32_t getPointerToSymbolTable() const {
+ if (COFFHeader)
+ return COFFHeader->isImportLibrary() ? 0
+ : COFFHeader->PointerToSymbolTable;
+ if (COFFBigObjHeader)
+ return COFFBigObjHeader->PointerToSymbolTable;
+ llvm_unreachable("no COFF header!");
+ }
+
+ uint32_t getRawNumberOfSymbols() const {
+ if (COFFHeader)
+ return COFFHeader->isImportLibrary() ? 0 : COFFHeader->NumberOfSymbols;
+ if (COFFBigObjHeader)
+ return COFFBigObjHeader->NumberOfSymbols;
+ llvm_unreachable("no COFF header!");
+ }
+
+ uint32_t getNumberOfSymbols() const {
+ if (!SymbolTable16 && !SymbolTable32)
+ return 0;
+ return getRawNumberOfSymbols();
+ }
+
+ const coff_load_configuration32 *getLoadConfig32() const {
+ assert(!is64());
+ return reinterpret_cast<const coff_load_configuration32 *>(LoadConfig);
+ }
+
+ const coff_load_configuration64 *getLoadConfig64() const {
+ assert(is64());
+ return reinterpret_cast<const coff_load_configuration64 *>(LoadConfig);
+ }
+
+protected:
+ void moveSymbolNext(DataRefImpl &Symb) const override;
+ Expected<StringRef> getSymbolName(DataRefImpl Symb) const override;
+ Expected<uint64_t> getSymbolAddress(DataRefImpl Symb) const override;
+ uint32_t getSymbolAlignment(DataRefImpl Symb) const override;
+ uint64_t getSymbolValueImpl(DataRefImpl Symb) const override;
+ uint64_t getCommonSymbolSizeImpl(DataRefImpl Symb) const override;
+ uint32_t getSymbolFlags(DataRefImpl Symb) const override;
+ Expected<SymbolRef::Type> getSymbolType(DataRefImpl Symb) const override;
+ Expected<section_iterator> getSymbolSection(DataRefImpl Symb) const override;
+ void moveSectionNext(DataRefImpl &Sec) const override;
+ std::error_code getSectionName(DataRefImpl Sec,
+ StringRef &Res) const override;
+ uint64_t getSectionAddress(DataRefImpl Sec) const override;
+ uint64_t getSectionIndex(DataRefImpl Sec) const override;
+ uint64_t getSectionSize(DataRefImpl Sec) const override;
+ std::error_code getSectionContents(DataRefImpl Sec,
+ StringRef &Res) const override;
+ uint64_t getSectionAlignment(DataRefImpl Sec) const override;
+ bool isSectionCompressed(DataRefImpl Sec) const override;
+ bool isSectionText(DataRefImpl Sec) const override;
+ bool isSectionData(DataRefImpl Sec) const override;
+ bool isSectionBSS(DataRefImpl Sec) const override;
+ bool isSectionVirtual(DataRefImpl Sec) const override;
+ relocation_iterator section_rel_begin(DataRefImpl Sec) const override;
+ relocation_iterator section_rel_end(DataRefImpl Sec) const override;
+
+ void moveRelocationNext(DataRefImpl &Rel) const override;
+ uint64_t getRelocationOffset(DataRefImpl Rel) const override;
+ symbol_iterator getRelocationSymbol(DataRefImpl Rel) const override;
+ uint64_t getRelocationType(DataRefImpl Rel) const override;
+ void getRelocationTypeName(DataRefImpl Rel,
+ SmallVectorImpl<char> &Result) const override;
+
+public:
+ COFFObjectFile(MemoryBufferRef Object, std::error_code &EC);
+
+ basic_symbol_iterator symbol_begin() const override;
+ basic_symbol_iterator symbol_end() const override;
+ section_iterator section_begin() const override;
+ section_iterator section_end() const override;
+
+ const coff_section *getCOFFSection(const SectionRef &Section) const;
+ COFFSymbolRef getCOFFSymbol(const DataRefImpl &Ref) const;
+ COFFSymbolRef getCOFFSymbol(const SymbolRef &Symbol) const;
+ const coff_relocation *getCOFFRelocation(const RelocationRef &Reloc) const;
+ unsigned getSectionID(SectionRef Sec) const;
+ unsigned getSymbolSectionID(SymbolRef Sym) const;
+
+ uint8_t getBytesInAddress() const override;
+ StringRef getFileFormatName() const override;
+ Triple::ArchType getArch() const override;
+ SubtargetFeatures getFeatures() const override { return SubtargetFeatures(); }
+
+ import_directory_iterator import_directory_begin() const;
+ import_directory_iterator import_directory_end() const;
+ delay_import_directory_iterator delay_import_directory_begin() const;
+ delay_import_directory_iterator delay_import_directory_end() const;
+ export_directory_iterator export_directory_begin() const;
+ export_directory_iterator export_directory_end() const;
+ base_reloc_iterator base_reloc_begin() const;
+ base_reloc_iterator base_reloc_end() const;
+ const debug_directory *debug_directory_begin() const {
+ return DebugDirectoryBegin;
+ }
+ const debug_directory *debug_directory_end() const {
+ return DebugDirectoryEnd;
+ }
+
+ iterator_range<import_directory_iterator> import_directories() const;
+ iterator_range<delay_import_directory_iterator>
+ delay_import_directories() const;
+ iterator_range<export_directory_iterator> export_directories() const;
+ iterator_range<base_reloc_iterator> base_relocs() const;
+ iterator_range<const debug_directory *> debug_directories() const {
+ return make_range(debug_directory_begin(), debug_directory_end());
+ }
+
+ const dos_header *getDOSHeader() const {
+ if (!PE32Header && !PE32PlusHeader)
+ return nullptr;
+ return reinterpret_cast<const dos_header *>(base());
+ }
+ std::error_code getPE32Header(const pe32_header *&Res) const;
+ std::error_code getPE32PlusHeader(const pe32plus_header *&Res) const;
+ std::error_code getDataDirectory(uint32_t index,
+ const data_directory *&Res) const;
+ std::error_code getSection(int32_t index, const coff_section *&Res) const;
+
+ template <typename coff_symbol_type>
+ std::error_code getSymbol(uint32_t Index,
+ const coff_symbol_type *&Res) const {
+ if (Index >= getNumberOfSymbols())
+ return object_error::parse_failed;
+
+ Res = reinterpret_cast<coff_symbol_type *>(getSymbolTable()) + Index;
+ return std::error_code();
+ }
+ Expected<COFFSymbolRef> getSymbol(uint32_t index) const {
+ if (SymbolTable16) {
+ const coff_symbol16 *Symb = nullptr;
+ if (std::error_code EC = getSymbol(index, Symb))
+ return errorCodeToError(EC);
+ return COFFSymbolRef(Symb);
+ }
+ if (SymbolTable32) {
+ const coff_symbol32 *Symb = nullptr;
+ if (std::error_code EC = getSymbol(index, Symb))
+ return errorCodeToError(EC);
+ return COFFSymbolRef(Symb);
+ }
+ return errorCodeToError(object_error::parse_failed);
+ }
+
+ template <typename T>
+ std::error_code getAuxSymbol(uint32_t index, const T *&Res) const {
+ Expected<COFFSymbolRef> S = getSymbol(index);
+ if (Error E = S.takeError())
+ return errorToErrorCode(std::move(E));
+ Res = reinterpret_cast<const T *>(S->getRawPtr());
+ return std::error_code();
+ }
+
+ std::error_code getSymbolName(COFFSymbolRef Symbol, StringRef &Res) const;
+ std::error_code getSymbolName(const coff_symbol_generic *Symbol,
+ StringRef &Res) const;
+
+ ArrayRef<uint8_t> getSymbolAuxData(COFFSymbolRef Symbol) const;
+
+ size_t getSymbolTableEntrySize() const {
+ if (COFFHeader)
+ return sizeof(coff_symbol16);
+ if (COFFBigObjHeader)
+ return sizeof(coff_symbol32);
+ llvm_unreachable("null symbol table pointer!");
+ }
+
+ iterator_range<const coff_relocation *>
+ getRelocations(const coff_section *Sec) const;
+
+ std::error_code getSectionName(const coff_section *Sec, StringRef &Res) const;
+ uint64_t getSectionSize(const coff_section *Sec) const;
+ std::error_code getSectionContents(const coff_section *Sec,
+ ArrayRef<uint8_t> &Res) const;
+
+ uint64_t getImageBase() const;
+ std::error_code getVaPtr(uint64_t VA, uintptr_t &Res) const;
+ std::error_code getRvaPtr(uint32_t Rva, uintptr_t &Res) const;
+
+ /// Given an RVA base and size, returns a valid array of bytes or an error
+ /// code if the RVA and size is not contained completely within a valid
+ /// section.
+ std::error_code getRvaAndSizeAsBytes(uint32_t RVA, uint32_t Size,
+ ArrayRef<uint8_t> &Contents) const;
+
+ std::error_code getHintName(uint32_t Rva, uint16_t &Hint,
+ StringRef &Name) const;
+
+ /// Get PDB information out of a codeview debug directory entry.
+ std::error_code getDebugPDBInfo(const debug_directory *DebugDir,
+ const codeview::DebugInfo *&Info,
+ StringRef &PDBFileName) const;
+
+ /// Get PDB information from an executable. If the information is not present,
+ /// Info will be set to nullptr and PDBFileName will be empty. An error is
+ /// returned only on corrupt object files. Convenience accessor that can be
+ /// used if the debug directory is not already handy.
+ std::error_code getDebugPDBInfo(const codeview::DebugInfo *&Info,
+ StringRef &PDBFileName) const;
+
+ bool isRelocatableObject() const override;
+ bool is64() const { return PE32PlusHeader; }
+
+ static bool classof(const Binary *v) { return v->isCOFF(); }
+};
+
+// The iterator for the import directory table.
+class ImportDirectoryEntryRef {
+public:
+ ImportDirectoryEntryRef() = default;
+ ImportDirectoryEntryRef(const coff_import_directory_table_entry *Table,
+ uint32_t I, const COFFObjectFile *Owner)
+ : ImportTable(Table), Index(I), OwningObject(Owner) {}
+
+ bool operator==(const ImportDirectoryEntryRef &Other) const;
+ void moveNext();
+
+ imported_symbol_iterator imported_symbol_begin() const;
+ imported_symbol_iterator imported_symbol_end() const;
+ iterator_range<imported_symbol_iterator> imported_symbols() const;
+
+ imported_symbol_iterator lookup_table_begin() const;
+ imported_symbol_iterator lookup_table_end() const;
+ iterator_range<imported_symbol_iterator> lookup_table_symbols() const;
+
+ std::error_code getName(StringRef &Result) const;
+ std::error_code getImportLookupTableRVA(uint32_t &Result) const;
+ std::error_code getImportAddressTableRVA(uint32_t &Result) const;
+
+ std::error_code
+ getImportTableEntry(const coff_import_directory_table_entry *&Result) const;
+
+private:
+ const coff_import_directory_table_entry *ImportTable;
+ uint32_t Index;
+ const COFFObjectFile *OwningObject = nullptr;
+};
+
+class DelayImportDirectoryEntryRef {
+public:
+ DelayImportDirectoryEntryRef() = default;
+ DelayImportDirectoryEntryRef(const delay_import_directory_table_entry *T,
+ uint32_t I, const COFFObjectFile *Owner)
+ : Table(T), Index(I), OwningObject(Owner) {}
+
+ bool operator==(const DelayImportDirectoryEntryRef &Other) const;
+ void moveNext();
+
+ imported_symbol_iterator imported_symbol_begin() const;
+ imported_symbol_iterator imported_symbol_end() const;
+ iterator_range<imported_symbol_iterator> imported_symbols() const;
+
+ std::error_code getName(StringRef &Result) const;
+ std::error_code getDelayImportTable(
+ const delay_import_directory_table_entry *&Result) const;
+ std::error_code getImportAddress(int AddrIndex, uint64_t &Result) const;
+
+private:
+ const delay_import_directory_table_entry *Table;
+ uint32_t Index;
+ const COFFObjectFile *OwningObject = nullptr;
+};
+
+// The iterator for the export directory table entry.
+class ExportDirectoryEntryRef {
+public:
+ ExportDirectoryEntryRef() = default;
+ ExportDirectoryEntryRef(const export_directory_table_entry *Table, uint32_t I,
+ const COFFObjectFile *Owner)
+ : ExportTable(Table), Index(I), OwningObject(Owner) {}
+
+ bool operator==(const ExportDirectoryEntryRef &Other) const;
+ void moveNext();
+
+ std::error_code getDllName(StringRef &Result) const;
+ std::error_code getOrdinalBase(uint32_t &Result) const;
+ std::error_code getOrdinal(uint32_t &Result) const;
+ std::error_code getExportRVA(uint32_t &Result) const;
+ std::error_code getSymbolName(StringRef &Result) const;
+
+ std::error_code isForwarder(bool &Result) const;
+ std::error_code getForwardTo(StringRef &Result) const;
+
+private:
+ const export_directory_table_entry *ExportTable;
+ uint32_t Index;
+ const COFFObjectFile *OwningObject = nullptr;
+};
+
+class ImportedSymbolRef {
+public:
+ ImportedSymbolRef() = default;
+ ImportedSymbolRef(const import_lookup_table_entry32 *Entry, uint32_t I,
+ const COFFObjectFile *Owner)
+ : Entry32(Entry), Entry64(nullptr), Index(I), OwningObject(Owner) {}
+ ImportedSymbolRef(const import_lookup_table_entry64 *Entry, uint32_t I,
+ const COFFObjectFile *Owner)
+ : Entry32(nullptr), Entry64(Entry), Index(I), OwningObject(Owner) {}
+
+ bool operator==(const ImportedSymbolRef &Other) const;
+ void moveNext();
+
+ std::error_code getSymbolName(StringRef &Result) const;
+ std::error_code isOrdinal(bool &Result) const;
+ std::error_code getOrdinal(uint16_t &Result) const;
+ std::error_code getHintNameRVA(uint32_t &Result) const;
+
+private:
+ const import_lookup_table_entry32 *Entry32;
+ const import_lookup_table_entry64 *Entry64;
+ uint32_t Index;
+ const COFFObjectFile *OwningObject = nullptr;
+};
+
+class BaseRelocRef {
+public:
+ BaseRelocRef() = default;
+ BaseRelocRef(const coff_base_reloc_block_header *Header,
+ const COFFObjectFile *Owner)
+ : Header(Header), Index(0) {}
+
+ bool operator==(const BaseRelocRef &Other) const;
+ void moveNext();
+
+ std::error_code getType(uint8_t &Type) const;
+ std::error_code getRVA(uint32_t &Result) const;
+
+private:
+ const coff_base_reloc_block_header *Header;
+ uint32_t Index;
+};
+
+class ResourceSectionRef {
+public:
+ ResourceSectionRef() = default;
+ explicit ResourceSectionRef(StringRef Ref) : BBS(Ref, support::little) {}
+
+ Expected<ArrayRef<UTF16>>
+ getEntryNameString(const coff_resource_dir_entry &Entry);
+ Expected<const coff_resource_dir_table &>
+ getEntrySubDir(const coff_resource_dir_entry &Entry);
+ Expected<const coff_resource_dir_table &> getBaseTable();
+
+private:
+ BinaryByteStream BBS;
+
+ Expected<const coff_resource_dir_table &> getTableAtOffset(uint32_t Offset);
+ Expected<ArrayRef<UTF16>> getDirStringAtOffset(uint32_t Offset);
+};
+
+// Corresponds to `_FPO_DATA` structure in the PE/COFF spec.
+struct FpoData {
+ support::ulittle32_t Offset; // ulOffStart: Offset 1st byte of function code
+ support::ulittle32_t Size; // cbProcSize: # bytes in function
+ support::ulittle32_t NumLocals; // cdwLocals: # bytes in locals/4
+ support::ulittle16_t NumParams; // cdwParams: # bytes in params/4
+ support::ulittle16_t Attributes;
+
+ // cbProlog: # bytes in prolog
+ int getPrologSize() const { return Attributes & 0xF; }
+
+ // cbRegs: # regs saved
+ int getNumSavedRegs() const { return (Attributes >> 8) & 0x7; }
+
+ // fHasSEH: true if seh is func
+ bool hasSEH() const { return (Attributes >> 9) & 1; }
+
+ // fUseBP: true if EBP has been allocated
+ bool useBP() const { return (Attributes >> 10) & 1; }
+
+ // cbFrame: frame pointer
+ int getFP() const { return Attributes >> 14; }
+};
+
+} // end namespace object
+
+} // end namespace llvm
+
+#endif // LLVM_OBJECT_COFF_H