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 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;
};
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;
typedef coff_symbol<support::ulittle16_t> coff_symbol16;
typedef coff_symbol<support::ulittle32_t> coff_symbol32;
+// 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;
+};
+
class COFFSymbolRef {
public:
COFFSymbolRef(const coff_symbol16 *CS) : CS16(CS), CS32(nullptr) {}
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();
}
}
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 static_cast<int32_t>(CS32->SectionNumber);
}
- uint16_t getType() const { return CS16 ? CS16->Type : CS32->Type; }
+ 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) >> 4; }
+ uint8_t getComplexType() const {
+ return (getType() & 0xF0) >> COFF::SCT_COMPLEX_TYPE_SHIFT;
+ }
+
+ 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 getStorageClass() == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
- getBaseType() == COFF::IMAGE_SYM_TYPE_NULL &&
+ return isExternal() && getBaseType() == COFF::IMAGE_SYM_TYPE_NULL &&
getComplexType() == COFF::IMAGE_SYM_DTYPE_FUNCTION &&
!COFF::isReservedSectionNumber(getSectionNumber());
}
return getStorageClass() == COFF::IMAGE_SYM_CLASS_FUNCTION;
}
- bool isWeakExternal() const {
- return getStorageClass() == COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL ||
- (getStorageClass() == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
- getSectionNumber() == COFF::IMAGE_SYM_UNDEFINED && getValue() == 0);
+ 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 && getValue() == 0;
+ bool isOrdinarySection = getStorageClass() == COFF::IMAGE_SYM_CLASS_STATIC;
+ if (!getNumberOfAuxSymbols())
+ return false;
return isAppdomainGlobal || isOrdinarySection;
}
}
private:
+ bool isSet() const { return CS16 || CS32; }
+
const coff_symbol16 *CS16;
const coff_symbol32 *CS32;
};
// 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;
- };
+ return (Characteristics & COFF::IMAGE_SCN_LNK_NRELOC_OVFL) &&
+ NumberOfRelocations == UINT16_MAX;
+ }
};
struct coff_relocation {
support::ulittle32_t SymbolTableIndex;
};
+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;
+};
+
struct coff_load_configuration32 {
support::ulittle32_t Characteristics;
support::ulittle32_t TimeDateStamp;
support::ulittle32_t SEHandlerCount;
};
+struct coff_load_configuration64 {
+ 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::ulittle64_t SecurityCookie;
+ support::ulittle64_t SEHandlerTable;
+ support::ulittle64_t SEHandlerCount;
+};
+
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); }
+};
+
class COFFObjectFile : public ObjectFile {
private:
friend class ImportDirectoryEntryRef;
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;
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 {
}
uint16_t getSizeOfOptionalHeader() const {
if (COFFHeader)
- return COFFHeader->SizeOfOptionalHeader;
+ return COFFHeader->isImportLibrary() ? 0
+ : COFFHeader->SizeOfOptionalHeader;
// bigobj doesn't have this field.
if (COFFBigObjHeader)
return 0;
}
uint16_t getCharacteristics() const {
if (COFFHeader)
- return COFFHeader->Characteristics;
+ 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)
}
uint32_t getNumberOfSections() const {
if (COFFHeader)
- return COFFHeader->NumberOfSections;
+ return COFFHeader->isImportLibrary() ? 0 : COFFHeader->NumberOfSections;
if (COFFBigObjHeader)
return COFFBigObjHeader->NumberOfSections;
llvm_unreachable("no COFF header!");
}
uint32_t getPointerToSymbolTable() const {
if (COFFHeader)
- return COFFHeader->PointerToSymbolTable;
+ return COFFHeader->isImportLibrary() ? 0
+ : COFFHeader->PointerToSymbolTable;
if (COFFBigObjHeader)
return COFFBigObjHeader->PointerToSymbolTable;
llvm_unreachable("no COFF header!");
}
uint32_t getNumberOfSymbols() const {
if (COFFHeader)
- return COFFHeader->NumberOfSymbols;
+ return COFFHeader->isImportLibrary() ? 0 : COFFHeader->NumberOfSymbols;
if (COFFBigObjHeader)
return COFFBigObjHeader->NumberOfSymbols;
llvm_unreachable("no COFF header!");
}
protected:
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;
+ ErrorOr<StringRef> getSymbolName(DataRefImpl Symb) const override;
+ ErrorOr<uint64_t> getSymbolAddress(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;
- std::error_code getSymbolType(DataRefImpl Symb,
- SymbolRef::Type &Res) const override;
- std::error_code getSymbolSection(DataRefImpl Symb,
- section_iterator &Res) const override;
+ SymbolRef::Type getSymbolType(DataRefImpl Symb) const override;
+ ErrorOr<section_iterator> getSymbolSection(DataRefImpl Symb) const override;
void moveSectionNext(DataRefImpl &Sec) const override;
std::error_code getSectionName(DataRefImpl Sec,
StringRef &Res) const override;
- std::error_code getSectionAddress(DataRefImpl Sec,
- uint64_t &Res) const override;
- std::error_code getSectionSize(DataRefImpl Sec, uint64_t &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;
- std::error_code getSectionAlignment(DataRefImpl Sec,
- uint64_t &Res) const override;
- std::error_code isSectionText(DataRefImpl Sec, bool &Res) const override;
- std::error_code isSectionData(DataRefImpl Sec, bool &Res) const override;
- std::error_code isSectionBSS(DataRefImpl Sec, bool &Res) const override;
- std::error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const override;
- std::error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const override;
- std::error_code isSectionReadOnlyData(DataRefImpl Sec,
- bool &Res) const override;
- std::error_code isSectionRequiredForExecution(DataRefImpl Sec,
- bool &Res) const override;
- std::error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
- bool &Result) 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;
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;
+ uint64_t getRelocationOffset(DataRefImpl Rel) 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;
+ uint64_t getRelocationType(DataRefImpl Rel) const override;
+ void getRelocationTypeName(DataRefImpl Rel,
+ SmallVectorImpl<char> &Result) const override;
public:
COFFObjectFile(MemoryBufferRef Object, std::error_code &EC);
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;
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,
return object_error::parse_failed;
Res = reinterpret_cast<coff_symbol_type *>(getSymbolTable()) + Index;
- return object_error::success;
+ return std::error_code();
}
ErrorOr<COFFSymbolRef> getSymbol(uint32_t index) const {
if (SymbolTable16) {
return EC;
return COFFSymbolRef(Symb);
}
- llvm_unreachable("no symbol table pointer!");
+ return object_error::parse_failed;
}
template <typename T>
std::error_code getAuxSymbol(uint32_t index, const T *&Res) const {
if (std::error_code EC = s.getError())
return EC;
Res = reinterpret_cast<const T *>(s->getRawPtr());
- return object_error::success;
+ 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;
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;
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(); }
};
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;
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:
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
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