#include "llvm/Support/Endian.h"
namespace llvm {
+template <typename T> class ArrayRef;
+
namespace object {
+class ImportDirectoryEntryRef;
+class ExportDirectoryEntryRef;
+typedef content_iterator<ImportDirectoryEntryRef> import_directory_iterator;
+typedef content_iterator<ExportDirectoryEntryRef> export_directory_iterator;
+
+/// The DOS compatible header at the front of all PE/COFF executables.
+struct dos_header {
+ support::ulittle16_t Magic;
+ 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::ulittle32_t NumberOfSymbols;
support::ulittle16_t SizeOfOptionalHeader;
support::ulittle16_t Characteristics;
+
+ bool isImportLibrary() const { return NumberOfSections == 0xffff; }
+};
+
+/// 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;
+ support::ulittle16_t DLLCharacteristics;
+ support::ulittle32_t SizeOfStackReserve;
+ support::ulittle32_t SizeOfStackCommit;
+ support::ulittle32_t SizeOfHeapReserve;
+ support::ulittle32_t SizeOfHeapCommit;
+ support::ulittle32_t LoaderFlags;
+ 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 import_directory_table_entry {
+ support::ulittle32_t ImportLookupTableRVA;
+ support::ulittle32_t TimeDateStamp;
+ support::ulittle32_t ForwarderChain;
+ support::ulittle32_t NameRVA;
+ support::ulittle32_t ImportAddressTableRVA;
+};
+
+struct import_lookup_table_entry32 {
+ support::ulittle32_t data;
+
+ bool isOrdinal() const { return data & 0x80000000; }
+
+ 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;
+ }
+};
+
+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 coff_symbol {
struct StringTableOffset {
support::ulittle32_t Zeroes;
} Name;
support::ulittle32_t Value;
- support::little16_t SectionNumber;
+ support::ulittle16_t SectionNumber;
+
+ support::ulittle16_t Type;
+
+ support::ulittle8_t StorageClass;
+ support::ulittle8_t NumberOfAuxSymbols;
+
+ uint8_t getBaseType() const { return Type & 0x0F; }
+
+ uint8_t getComplexType() const { return (Type & 0xF0) >> 4; }
+
+ bool isFunctionDefinition() const {
+ return StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
+ getBaseType() == COFF::IMAGE_SYM_TYPE_NULL &&
+ getComplexType() == COFF::IMAGE_SYM_DTYPE_FUNCTION &&
+ COFF::isReservedSectionNumber(SectionNumber);
+ }
- struct {
- support::ulittle8_t BaseType;
- support::ulittle8_t ComplexType;
- } Type;
+ bool isWeakExternal() const {
+ return StorageClass == COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL ||
+ (StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
+ SectionNumber == COFF::IMAGE_SYM_UNDEFINED && Value == 0);
+ }
- support::ulittle8_t StorageClass;
- support::ulittle8_t NumberOfAuxSymbols;
+ bool isFileRecord() const {
+ return StorageClass == 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 = StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
+ SectionNumber == COFF::IMAGE_SYM_ABSOLUTE;
+ bool isOrdinarySection =
+ StorageClass == COFF::IMAGE_SYM_CLASS_STATIC && Value == 0;
+ return isAppdomainGlobal || isOrdinarySection;
+ }
+
+ bool isCLRToken() const {
+ return StorageClass == COFF::IMAGE_SYM_CLASS_CLR_TOKEN;
+ }
};
struct coff_section {
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 Unused[2];
+};
+
+struct coff_aux_bf_and_ef_symbol {
+ char Unused1[4];
+ support::ulittle16_t Linenumber;
+ char Unused2[6];
+ support::ulittle32_t PointerToNextFunction;
+ char Unused3[2];
+};
+
+struct coff_aux_weak_external {
+ support::ulittle32_t TagIndex;
+ support::ulittle32_t Characteristics;
+ char Unused[10];
+};
+
+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];
+};
+
+struct coff_aux_clr_token {
+ support::ulittle8_t AuxType;
+ support::ulittle8_t Reserved;
+ support::ulittle32_t SymbolTableIndex;
+ char Unused[12];
+};
+
+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;
+ uint16_t Reserved;
+ support::ulittle32_t EditList;
+ support::ulittle32_t SecurityCookie;
+ support::ulittle32_t SEHandlerTable;
+ support::ulittle32_t SEHandlerCount;
+};
+
+struct coff_runtime_function_x64 {
+ support::ulittle32_t BeginAddress;
+ support::ulittle32_t EndAddress;
+ support::ulittle32_t UnwindInformation;
+};
+
class COFFObjectFile : public ObjectFile {
private:
- const coff_file_header *Header;
- const coff_section *SectionTable;
- const coff_symbol *SymbolTable;
- const char *StringTable;
- uint32_t StringTableSize;
-
- error_code getSection(int32_t index,
- const coff_section *&Res) const;
- error_code getString(uint32_t offset, StringRef &Res) const;
- error_code getSymbol(uint32_t index,
- const coff_symbol *&Res) const;
-
- const coff_symbol *toSymb(DataRefImpl Symb) const;
- const coff_section *toSec(DataRefImpl Sec) const;
- const coff_relocation *toRel(DataRefImpl Rel) const;
+ friend class ImportDirectoryEntryRef;
+ friend class ExportDirectoryEntryRef;
+ const coff_file_header *COFFHeader;
+ const pe32_header *PE32Header;
+ const pe32plus_header *PE32PlusHeader;
+ const data_directory *DataDirectory;
+ const coff_section *SectionTable;
+ const coff_symbol *SymbolTable;
+ const char *StringTable;
+ uint32_t StringTableSize;
+ const import_directory_table_entry *ImportDirectory;
+ uint32_t NumberOfImportDirectory;
+ const export_directory_table_entry *ExportDirectory;
+
+ error_code getString(uint32_t offset, StringRef &Res) const;
+
+ const coff_symbol *toSymb(DataRefImpl Symb) const;
+ const coff_section *toSec(DataRefImpl Sec) const;
+ const coff_relocation *toRel(DataRefImpl Rel) const;
+
+ error_code initSymbolTablePtr();
+ error_code initImportTablePtr();
+ error_code initExportTablePtr();
protected:
- virtual error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const;
- virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const;
- virtual error_code getSymbolOffset(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 isSymbolInternal(DataRefImpl Symb, bool &Res) const;
- virtual error_code isSymbolGlobal(DataRefImpl Symb, bool &Res) const;
- virtual error_code getSymbolType(DataRefImpl Symb, SymbolRef::Type &Res) 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 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 getRelocationSymbol(DataRefImpl Rel,
- SymbolRef &Res) const;
- virtual error_code getRelocationType(DataRefImpl Rel,
- uint32_t &Res) const;
- virtual error_code getRelocationTypeName(DataRefImpl Rel,
- SmallVectorImpl<char> &Result) const;
- virtual error_code getRelocationAdditionalInfo(DataRefImpl Rel,
- int64_t &Res) const;
- virtual error_code getRelocationValueString(DataRefImpl Rel,
- SmallVectorImpl<char> &Result) const;
+ void moveSymbolNext(DataRefImpl &Symb) const override;
+ error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const override;
+ error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const override;
+ error_code getSymbolFileOffset(DataRefImpl Symb,
+ uint64_t &Res) const override;
+ error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const override;
+ uint32_t getSymbolFlags(DataRefImpl Symb) const override;
+ error_code getSymbolType(DataRefImpl Symb,
+ SymbolRef::Type &Res) const override;
+ error_code getSymbolSection(DataRefImpl Symb,
+ section_iterator &Res) const override;
+ error_code getSymbolValue(DataRefImpl Symb, uint64_t &Val) const override;
+ void moveSectionNext(DataRefImpl &Sec) const override;
+ error_code getSectionName(DataRefImpl Sec, StringRef &Res) const override;
+ error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const override;
+ error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const override;
+ error_code getSectionContents(DataRefImpl Sec, StringRef &Res) const override;
+ error_code getSectionAlignment(DataRefImpl Sec, uint64_t &Res) const override;
+ error_code isSectionText(DataRefImpl Sec, bool &Res) const override;
+ error_code isSectionData(DataRefImpl Sec, bool &Res) const override;
+ error_code isSectionBSS(DataRefImpl Sec, bool &Res) const override;
+ error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const override;
+ error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const override;
+ error_code isSectionReadOnlyData(DataRefImpl Sec, bool &Res) const override;
+ error_code isSectionRequiredForExecution(DataRefImpl Sec,
+ bool &Res) const override;
+ error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
+ bool &Result) 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;
+ error_code getRelocationAddress(DataRefImpl Rel,
+ uint64_t &Res) const override;
+ error_code getRelocationOffset(DataRefImpl Rel, uint64_t &Res) const override;
+ symbol_iterator getRelocationSymbol(DataRefImpl Rel) const override;
+ error_code getRelocationType(DataRefImpl Rel, uint64_t &Res) const override;
+ error_code
+ getRelocationTypeName(DataRefImpl Rel,
+ SmallVectorImpl<char> &Result) const override;
+ error_code
+ getRelocationValueString(DataRefImpl Rel,
+ SmallVectorImpl<char> &Result) const override;
+
+ error_code getLibraryNext(DataRefImpl LibData,
+ LibraryRef &Result) const override;
+ error_code getLibraryPath(DataRefImpl LibData,
+ StringRef &Result) const override;
+
+public:
+ COFFObjectFile(MemoryBuffer *Object, error_code &EC, bool BufferOwned = true);
+ basic_symbol_iterator symbol_begin_impl() const override;
+ basic_symbol_iterator symbol_end_impl() const override;
+ library_iterator needed_library_begin() const override;
+ library_iterator needed_library_end() const override;
+ section_iterator section_begin() const override;
+ section_iterator section_end() const override;
+
+ const coff_section *getCOFFSection(const SectionRef &Section) const;
+ const coff_symbol *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;
+ StringRef getLoadName() const override;
+
+ import_directory_iterator import_directory_begin() const;
+ import_directory_iterator import_directory_end() const;
+ export_directory_iterator export_directory_begin() const;
+ export_directory_iterator export_directory_end() const;
+
+ error_code getHeader(const coff_file_header *&Res) const;
+ error_code getCOFFHeader(const coff_file_header *&Res) const;
+ error_code getPE32Header(const pe32_header *&Res) const;
+ error_code getPE32PlusHeader(const pe32plus_header *&Res) const;
+ error_code getDataDirectory(uint32_t index, const data_directory *&Res) const;
+ error_code getSection(int32_t index, const coff_section *&Res) const;
+ error_code getSymbol(uint32_t index, const coff_symbol *&Res) const;
+ 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;
+ }
+ error_code getSymbolName(const coff_symbol *symbol, StringRef &Res) const;
+ ArrayRef<uint8_t> getSymbolAuxData(const coff_symbol *symbol) const;
+ error_code getSectionName(const coff_section *Sec, StringRef &Res) const;
+ error_code getSectionContents(const coff_section *Sec,
+ ArrayRef<uint8_t> &Res) const;
+
+ error_code getVaPtr(uint64_t VA, uintptr_t &Res) const;
+ error_code getRvaPtr(uint32_t Rva, uintptr_t &Res) const;
+ error_code getHintName(uint32_t Rva, uint16_t &Hint, StringRef &Name) const;
+
+ static inline bool classof(const Binary *v) { return v->isCOFF(); }
+};
+
+// The iterator for the import directory table.
+class ImportDirectoryEntryRef {
public:
- COFFObjectFile(MemoryBuffer *Object, error_code &ec);
- virtual symbol_iterator begin_symbols() const;
- virtual symbol_iterator end_symbols() const;
- virtual section_iterator begin_sections() const;
- virtual section_iterator end_sections() const;
+ ImportDirectoryEntryRef() : OwningObject(0) {}
+ 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();
+ error_code getName(StringRef &Result) const;
- virtual uint8_t getBytesInAddress() const;
- virtual StringRef getFileFormatName() const;
- virtual unsigned getArch() const;
+ error_code
+ getImportTableEntry(const import_directory_table_entry *&Result) const;
+
+ error_code
+ getImportLookupEntry(const import_lookup_table_entry32 *&Result) const;
+
+private:
+ const import_directory_table_entry *ImportTable;
+ uint32_t Index;
+ const COFFObjectFile *OwningObject;
};
-}
-}
+// The iterator for the export directory table entry.
+class ExportDirectoryEntryRef {
+public:
+ ExportDirectoryEntryRef() : OwningObject(0) {}
+ 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();
+
+ error_code getDllName(StringRef &Result) const;
+ error_code getOrdinalBase(uint32_t &Result) const;
+ error_code getOrdinal(uint32_t &Result) const;
+ error_code getExportRVA(uint32_t &Result) const;
+ error_code getSymbolName(StringRef &Result) const;
+
+private:
+ const export_directory_table_entry *ExportTable;
+ uint32_t Index;
+ const COFFObjectFile *OwningObject;
+};
+} // end namespace object
+} // end namespace llvm
#endif
projects / oota-llvm.git / blobdiff