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;
support::ulittle16_t Type;
};
+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;
class COFFObjectFile : public ObjectFile {
private:
- const coff_file_header *Header;
+ friend class ImportDirectoryEntryRef;
+ friend class ExportDirectoryEntryRef;
+ const coff_file_header *COFFHeader;
+ const pe32_header *PE32Header;
+ 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_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 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,
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 relocation_iterator section_rel_begin(DataRefImpl Sec) const;
+ virtual relocation_iterator section_rel_end(DataRefImpl Sec) const;
virtual error_code getRelocationNext(DataRefImpl Rel,
RelocationRef &Res) const;
uint64_t &Res) const;
virtual error_code getRelocationOffset(DataRefImpl Rel,
uint64_t &Res) const;
- virtual error_code getRelocationSymbol(DataRefImpl Rel,
- SymbolRef &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,
StringRef &Result) const;
public:
- COFFObjectFile(MemoryBuffer *Object, error_code &ec);
+ COFFObjectFile(MemoryBuffer *Object, error_code &EC, bool BufferOwned = true);
virtual symbol_iterator begin_symbols() const;
virtual symbol_iterator end_symbols() const;
virtual symbol_iterator begin_dynamic_symbols() 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;
+ 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 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 getSectionContents(const coff_section *Sec,
ArrayRef<uint8_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:
+ 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;
+ error_code getNext(ImportDirectoryEntryRef &Result) const;
+ error_code getName(StringRef &Result) 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;
+ error_code getNext(ExportDirectoryEntryRef &Result) const;
+
+ 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