#ifndef LLVM_OBJECT_COFF_H
#define LLVM_OBJECT_COFF_H
+#include "llvm/ADT/PointerUnion.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Support/COFF.h"
#include "llvm/Support/Endian.h"
+#include "llvm/Support/ErrorOr.h"
namespace llvm {
- template <typename T>
- class ArrayRef;
+template <typename T> class ArrayRef;
namespace object {
+class ImportDirectoryEntryRef;
+class DelayImportDirectoryEntryRef;
+class ExportDirectoryEntryRef;
+class ImportedSymbolRef;
+class BaseRelocRef;
+typedef content_iterator<ImportDirectoryEntryRef> import_directory_iterator;
+typedef content_iterator<DelayImportDirectoryEntryRef>
+ delay_import_directory_iterator;
+typedef content_iterator<ExportDirectoryEntryRef> export_directory_iterator;
+typedef content_iterator<ImportedSymbolRef> imported_symbol_iterator;
+typedef content_iterator<BaseRelocRef> base_reloc_iterator;
/// The DOS compatible header at the front of all PE/COFF executables.
struct dos_header {
- support::ulittle16_t Magic;
+ char Magic[2];
support::ulittle16_t UsedBytesInTheLastPage;
support::ulittle16_t FileSizeInPages;
support::ulittle16_t NumberOfRelocationItems;
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 usually immediately follows the DOS header.
+/// The 32-bit PE header that follows the COFF header.
struct pe32_header {
- support::ulittle32_t Signature;
- coff_file_header COFFHeader;
support::ulittle16_t Magic;
- uint8_t MajorLinkerVersion;
- uint8_t MinorLinkerVersion;
+ uint8_t MajorLinkerVersion;
+ uint8_t MinorLinkerVersion;
support::ulittle32_t SizeOfCode;
support::ulittle32_t SizeOfInitializedData;
support::ulittle32_t SizeOfUninitializedData;
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 usually immediately follows the DOS header.
+/// The 64-bit PE header that follows the COFF header.
struct pe32plus_header {
- support::ulittle32_t Signature;
- coff_file_header COFFHeader;
support::ulittle16_t Magic;
- uint8_t MajorLinkerVersion;
- uint8_t MinorLinkerVersion;
+ 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::ulittle64_t ImageBase;
support::ulittle32_t SectionAlignment;
support::ulittle32_t FileAlignment;
support::ulittle32_t Size;
};
-struct coff_symbol {
- struct StringTableOffset {
- support::ulittle32_t Zeroes;
- support::ulittle32_t Offset;
- };
+struct import_directory_table_entry {
+ support::ulittle32_t ImportLookupTableRVA;
+ support::ulittle32_t TimeDateStamp;
+ support::ulittle32_t ForwarderChain;
+ support::ulittle32_t NameRVA;
+ support::ulittle32_t ImportAddressTableRVA;
+};
+
+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;
+ }
+};
+typedef import_lookup_table_entry<support::little32_t>
+ import_lookup_table_entry32;
+typedef import_lookup_table_entry<support::little64_t>
+ import_lookup_table_entry64;
+
+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;
+};
+
+typedef support::ulittle32_t export_name_pointer_table_entry;
+typedef support::ulittle16_t export_ordinal_table_entry;
+
+struct StringTableOffset {
+ support::ulittle32_t Zeroes;
+ support::ulittle32_t Offset;
+};
+
+template <typename SectionNumberType>
+struct coff_symbol {
union {
- char ShortName[8];
+ char ShortName[COFF::NameSize];
StringTableOffset Offset;
} Name;
support::ulittle32_t Value;
- support::little16_t SectionNumber;
+ SectionNumberType SectionNumber;
support::ulittle16_t Type;
- support::ulittle8_t StorageClass;
- support::ulittle8_t NumberOfAuxSymbols;
+ uint8_t StorageClass;
+ uint8_t NumberOfAuxSymbols;
+};
+
+typedef coff_symbol<support::ulittle16_t> coff_symbol16;
+typedef coff_symbol<support::ulittle32_t> coff_symbol32;
+
+class COFFSymbolRef {
+public:
+ COFFSymbolRef(const coff_symbol16 *CS) : CS16(CS), CS32(nullptr) {}
+ COFFSymbolRef(const coff_symbol32 *CS) : CS16(nullptr), CS32(CS) {}
+ COFFSymbolRef() : CS16(nullptr), CS32(nullptr) {}
+
+ const void *getRawPtr() const {
+ return CS16 ? static_cast<const void *>(CS16) : 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 getBaseType() const {
- return Type & 0x0F;
+ 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 (Type & 0xF0) >> 4;
+ return (getType() & 0xF0) >> COFF::SCT_COMPLEX_TYPE_SHIFT;
+ }
+
+ 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 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;
+ const coff_symbol32 *CS32;
};
struct coff_section {
- char Name[8];
+ char Name[COFF::NameSize];
support::ulittle32_t VirtualSize;
support::ulittle32_t VirtualAddress;
support::ulittle32_t SizeOfRawData;
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;
+ }
};
struct coff_relocation {
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;
+};
+
+struct coff_aux_bf_and_ef_symbol {
+ char Unused1[4];
+ support::ulittle16_t Linenumber;
+ char Unused2[6];
+ support::ulittle32_t PointerToNextFunction;
+};
+
+struct coff_aux_weak_external {
+ support::ulittle32_t TagIndex;
+ support::ulittle32_t Characteristics;
+};
+
struct coff_aux_section_definition {
support::ulittle32_t Length;
support::ulittle16_t NumberOfRelocations;
support::ulittle16_t NumberOfLinenumbers;
support::ulittle32_t CheckSum;
- support::ulittle16_t Number;
- support::ulittle8_t Selection;
- char Unused[3];
+ 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);
+ }
};
-class COFFObjectFile : public ObjectFile {
-private:
- const coff_file_header *Header;
- const coff_section *SectionTable;
- const coff_symbol *SymbolTable;
- const char *StringTable;
- uint32_t StringTableSize;
+struct coff_aux_clr_token {
+ uint8_t AuxType;
+ uint8_t Reserved;
+ support::ulittle32_t SymbolTableIndex;
+};
+
+struct coff_load_configuration32 {
+ support::ulittle32_t Characteristics;
+ 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 Reserved;
+ support::ulittle32_t EditList;
+ support::ulittle32_t SecurityCookie;
+ support::ulittle32_t SEHandlerTable;
+ support::ulittle32_t SEHandlerCount;
+};
- error_code getString(uint32_t offset, StringRef &Res) const;
+struct coff_runtime_function_x64 {
+ support::ulittle32_t BeginAddress;
+ support::ulittle32_t EndAddress;
+ support::ulittle32_t UnwindInformation;
+};
- const coff_symbol *toSymb(DataRefImpl Symb) const;
- const coff_section *toSec(DataRefImpl Sec) const;
- const coff_relocation *toRel(DataRefImpl Rel) const;
+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); }
+};
+
+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 import_directory_table_entry *ImportDirectory;
+ uint32_t NumberOfImportDirectory;
+ 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;
+
+ 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();
+
+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 getNumberOfSymbols() const {
+ if (COFFHeader)
+ return COFFHeader->isImportLibrary() ? 0 : COFFHeader->NumberOfSymbols;
+ if (COFFBigObjHeader)
+ return COFFBigObjHeader->NumberOfSymbols;
+ llvm_unreachable("no COFF header!");
+ }
protected:
- virtual error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const;
- virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const;
- virtual error_code getSymbolFileOffset(DataRefImpl Symb, uint64_t &Res) const;
- virtual error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const;
- virtual error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const;
- virtual error_code getSymbolNMTypeChar(DataRefImpl Symb, char &Res) const;
- virtual error_code getSymbolFlags(DataRefImpl Symb, uint32_t &Res) const;
- virtual error_code getSymbolType(DataRefImpl Symb, SymbolRef::Type &Res) const;
- virtual error_code getSymbolSection(DataRefImpl Symb,
- section_iterator &Res) const;
- virtual error_code getSymbolValue(DataRefImpl Symb, uint64_t &Val) const;
-
- virtual error_code getSectionNext(DataRefImpl Sec, SectionRef &Res) const;
- virtual error_code getSectionName(DataRefImpl Sec, StringRef &Res) const;
- virtual error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const;
- virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const;
- virtual error_code getSectionContents(DataRefImpl Sec, StringRef &Res) const;
- virtual error_code getSectionAlignment(DataRefImpl Sec, uint64_t &Res) const;
- virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const;
- virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const;
- virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const;
- virtual error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const;
- virtual error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const;
- virtual error_code isSectionReadOnlyData(DataRefImpl Sec, bool &Res) const;
- virtual error_code isSectionRequiredForExecution(DataRefImpl Sec,
- bool &Res) const;
- virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
- bool &Result) const;
- virtual relocation_iterator getSectionRelBegin(DataRefImpl Sec) const;
- virtual relocation_iterator getSectionRelEnd(DataRefImpl Sec) const;
-
- virtual error_code getRelocationNext(DataRefImpl Rel,
- RelocationRef &Res) const;
- virtual error_code getRelocationAddress(DataRefImpl Rel,
- uint64_t &Res) const;
- virtual error_code getRelocationOffset(DataRefImpl Rel,
- uint64_t &Res) const;
- virtual symbol_iterator getRelocationSymbol(DataRefImpl Rel) const;
- virtual error_code getRelocationType(DataRefImpl Rel,
- uint64_t &Res) const;
- virtual error_code getRelocationTypeName(DataRefImpl Rel,
- SmallVectorImpl<char> &Result) const;
- virtual error_code getRelocationValueString(DataRefImpl Rel,
- SmallVectorImpl<char> &Result) const;
-
- virtual error_code getLibraryNext(DataRefImpl LibData,
- LibraryRef &Result) const;
- virtual error_code getLibraryPath(DataRefImpl LibData,
- StringRef &Result) const;
+ void moveSymbolNext(DataRefImpl &Symb) const override;
+ std::error_code getSymbolName(DataRefImpl Symb,
+ StringRef &Res) const override;
+ std::error_code getSymbolAddress(DataRefImpl Symb,
+ uint64_t &Res) const override;
+ std::error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const override;
+ uint32_t getSymbolFlags(DataRefImpl Symb) const override;
+ std::error_code getSymbolType(DataRefImpl Symb,
+ SymbolRef::Type &Res) const override;
+ std::error_code getSymbolSection(DataRefImpl Symb,
+ section_iterator &Res) 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 getSectionSize(DataRefImpl Sec) const override;
+ std::error_code getSectionContents(DataRefImpl Sec,
+ StringRef &Res) const override;
+ uint64_t getSectionAlignment(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;
+ bool sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb) 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;
+ std::error_code getRelocationAddress(DataRefImpl Rel,
+ uint64_t &Res) const override;
+ std::error_code getRelocationOffset(DataRefImpl Rel,
+ uint64_t &Res) const override;
+ symbol_iterator getRelocationSymbol(DataRefImpl Rel) const override;
+ std::error_code getRelocationType(DataRefImpl Rel,
+ uint64_t &Res) const override;
+ std::error_code
+ getRelocationTypeName(DataRefImpl Rel,
+ SmallVectorImpl<char> &Result) const override;
+ std::error_code
+ getRelocationValueString(DataRefImpl Rel,
+ SmallVectorImpl<char> &Result) const override;
public:
- COFFObjectFile(MemoryBuffer *Object, error_code &ec);
- virtual symbol_iterator begin_symbols() const;
- virtual symbol_iterator end_symbols() const;
- virtual symbol_iterator begin_dynamic_symbols() const;
- virtual symbol_iterator end_dynamic_symbols() const;
- virtual library_iterator begin_libraries_needed() const;
- virtual library_iterator end_libraries_needed() const;
- virtual section_iterator begin_sections() const;
- virtual section_iterator end_sections() const;
-
- const coff_section *getCOFFSection(section_iterator &It) const;
- const coff_symbol *getCOFFSymbol(symbol_iterator &It) const;
- const coff_relocation *getCOFFRelocation(relocation_iterator &It) const;
-
- virtual uint8_t getBytesInAddress() const;
- virtual StringRef getFileFormatName() const;
- virtual unsigned getArch() const;
- virtual StringRef getLoadName() const;
-
- error_code getHeader(const coff_file_header *&Res) const;
- error_code getSection(int32_t index, const coff_section *&Res) const;
- error_code getSymbol(uint32_t index, const coff_symbol *&Res) const;
+ COFFObjectFile(MemoryBufferRef Object, std::error_code &EC);
+ basic_symbol_iterator symbol_begin_impl() const override;
+ basic_symbol_iterator symbol_end_impl() 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;
+
+ uint8_t getBytesInAddress() const override;
+ StringRef getFileFormatName() const override;
+ unsigned getArch() const override;
+
+ 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;
+
+ 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;
+
+ 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 object_error::success;
+ }
+ ErrorOr<COFFSymbolRef> getSymbol(uint32_t index) const {
+ if (SymbolTable16) {
+ const coff_symbol16 *Symb = nullptr;
+ if (std::error_code EC = getSymbol(index, Symb))
+ return EC;
+ return COFFSymbolRef(Symb);
+ }
+ if (SymbolTable32) {
+ const coff_symbol32 *Symb = nullptr;
+ if (std::error_code EC = getSymbol(index, Symb))
+ return EC;
+ return COFFSymbolRef(Symb);
+ }
+ return object_error::parse_failed;
+ }
template <typename T>
- error_code getAuxSymbol(uint32_t index, const T *&Res) const {
- const coff_symbol *s;
- error_code ec = getSymbol(index, s);
- Res = reinterpret_cast<const T*>(s);
- return ec;
+ std::error_code getAuxSymbol(uint32_t index, const T *&Res) const {
+ ErrorOr<COFFSymbolRef> s = getSymbol(index);
+ if (std::error_code EC = s.getError())
+ return EC;
+ Res = reinterpret_cast<const T *>(s->getRawPtr());
+ return object_error::success;
}
- error_code getSymbolName(const coff_symbol *symbol, StringRef &Res) const;
- ArrayRef<uint8_t> getSymbolAuxData(const coff_symbol *symbol) const;
+ std::error_code getSymbolName(COFFSymbolRef Symbol, StringRef &Res) const;
- error_code getSectionName(const coff_section *Sec, StringRef &Res) const;
- error_code getSectionContents(const coff_section *Sec,
- ArrayRef<uint8_t> &Res) const;
+ ArrayRef<uint8_t> getSymbolAuxData(COFFSymbolRef Symbol) const;
- static inline bool classof(const Binary *v) {
- return v->isCOFF();
+ size_t getSymbolTableEntrySize() const {
+ if (COFFHeader)
+ return sizeof(coff_symbol16);
+ if (COFFBigObjHeader)
+ return sizeof(coff_symbol32);
+ llvm_unreachable("null symbol table pointer!");
}
+
+ 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;
+
+ std::error_code getVaPtr(uint64_t VA, uintptr_t &Res) const;
+ std::error_code getRvaPtr(uint32_t Rva, uintptr_t &Res) const;
+ std::error_code getHintName(uint32_t Rva, uint16_t &Hint,
+ StringRef &Name) const;
+
+ bool isRelocatableObject() const override;
+ bool is64() const { return PE32PlusHeader; }
+
+ static inline bool classof(const Binary *v) { return v->isCOFF(); }
+};
+
+// The iterator for the import directory table.
+class ImportDirectoryEntryRef {
+public:
+ ImportDirectoryEntryRef() : OwningObject(nullptr) {}
+ ImportDirectoryEntryRef(const 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;
+
+ 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 import_directory_table_entry *&Result) const;
+
+ std::error_code
+ getImportLookupEntry(const import_lookup_table_entry32 *&Result) const;
+
+private:
+ const import_directory_table_entry *ImportTable;
+ uint32_t Index;
+ const COFFObjectFile *OwningObject;
+};
+
+class DelayImportDirectoryEntryRef {
+public:
+ DelayImportDirectoryEntryRef() : OwningObject(nullptr) {}
+ 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;
+};
+
+// The iterator for the export directory table entry.
+class ExportDirectoryEntryRef {
+public:
+ ExportDirectoryEntryRef() : OwningObject(nullptr) {}
+ 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;
+
+private:
+ const export_directory_table_entry *ExportTable;
+ uint32_t Index;
+ const COFFObjectFile *OwningObject;
+};
+
+class ImportedSymbolRef {
+public:
+ ImportedSymbolRef() : OwningObject(nullptr) {}
+ 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 getOrdinal(uint16_t &Result) const;
+
+private:
+ const import_lookup_table_entry32 *Entry32;
+ const import_lookup_table_entry64 *Entry64;
+ uint32_t Index;
+ const COFFObjectFile *OwningObject;
+};
+
+class BaseRelocRef {
+public:
+ BaseRelocRef() : OwningObject(nullptr) {}
+ BaseRelocRef(const coff_base_reloc_block_header *Header,
+ const COFFObjectFile *Owner)
+ : Header(Header), Index(0), OwningObject(Owner) {}
+
+ 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;
+ const COFFObjectFile *OwningObject;
};
-}
-}
+} // end namespace object
+} // end namespace llvm
#endif
projects / oota-llvm.git / blobdiff