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 {
}
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;
}
return (getType() & 0xF0) >> COFF::SCT_COMPLEX_TYPE_SHIFT;
}
+ bool isAbsolute() const {
+ return getSectionNumber() == -1;
+ }
+
bool isExternal() const {
return getStorageClass() == COFF::IMAGE_SYM_CLASS_EXTERNAL;
}
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.
}
private:
+ bool isSet() const { return CS16 || CS32; }
+
const coff_symbol16 *CS16;
const coff_symbol32 *CS32;
};
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 & 0x7) >> 2; }
+};
+
+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;
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 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!");
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;
+ uint64_t getSymbolValue(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;
bool isSectionData(DataRefImpl Sec) const override;
bool isSectionBSS(DataRefImpl Sec) const override;
bool isSectionVirtual(DataRefImpl Sec) const override;
- bool isSectionZeroInit(DataRefImpl Sec) const override;
- bool isSectionReadOnlyData(DataRefImpl Sec) const override;
- bool isSectionRequiredForExecution(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;
std::error_code
getRelocationTypeName(DataRefImpl Rel,
SmallVectorImpl<char> &Result) const override;
- std::error_code
- getRelocationValueString(DataRefImpl Rel,
- SmallVectorImpl<char> &Result) const override;
-
public:
COFFObjectFile(MemoryBufferRef Object, std::error_code &EC);
basic_symbol_iterator symbol_begin_impl() const override;
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;
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 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;
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,
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
projects / oota-llvm.git / blobdiff