#include "llvm/Support/Endian.h"
namespace llvm {
- template <typename T>
- class ArrayRef;
+template <typename T> class ArrayRef;
namespace object {
class ImportDirectoryEntryRef;
/// The 32-bit PE header that follows the COFF header.
struct pe32_header {
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;
/// The 64-bit PE header that follows the COFF header.
struct pe32plus_header {
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;
} 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;
+ 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);
+ }
+
+ bool isFunctionLineInfo() const {
+ return StorageClass == COFF::IMAGE_SYM_CLASS_FUNCTION;
+ }
- uint8_t getBaseType() const {
- return Type & 0x0F;
+ bool isWeakExternal() const {
+ return StorageClass == COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL ||
+ (StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
+ SectionNumber == COFF::IMAGE_SYM_UNDEFINED && Value == 0);
}
- uint8_t getComplexType() const {
- return (Type & 0xF0) >> 4;
+ 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;
}
};
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;
+ 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_file {
+ char FileName[18];
+};
+
struct coff_aux_section_definition {
support::ulittle32_t Length;
support::ulittle16_t NumberOfRelocations;
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::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:
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 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;
+ uint32_t NumberOfImportDirectory;
const export_directory_table_entry *ExportDirectory;
- error_code getString(uint32_t offset, StringRef &Res) const;
+ 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;
+ 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();
+ error_code initSymbolTablePtr();
+ error_code initImportTablePtr();
+ error_code initExportTablePtr();
protected:
- void moveSymbolNext(DataRefImpl &Symb) const LLVM_OVERRIDE;
- error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const
- LLVM_OVERRIDE;
- error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const
- LLVM_OVERRIDE;
- error_code getSymbolFileOffset(DataRefImpl Symb, uint64_t &Res) const
- LLVM_OVERRIDE;
- error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const LLVM_OVERRIDE;
- uint32_t getSymbolFlags(DataRefImpl Symb) const LLVM_OVERRIDE;
- error_code getSymbolType(DataRefImpl Symb, SymbolRef::Type &Res) const
- LLVM_OVERRIDE;
- error_code getSymbolSection(DataRefImpl Symb, section_iterator &Res) const
- LLVM_OVERRIDE;
- error_code getSymbolValue(DataRefImpl Symb, uint64_t &Val) const
- LLVM_OVERRIDE;
- void moveSectionNext(DataRefImpl &Sec) const LLVM_OVERRIDE;
- error_code getSectionName(DataRefImpl Sec, StringRef &Res) const
- LLVM_OVERRIDE;
- error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const
- LLVM_OVERRIDE;
- error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const LLVM_OVERRIDE;
- error_code getSectionContents(DataRefImpl Sec, StringRef &Res) const
- LLVM_OVERRIDE;
- error_code getSectionAlignment(DataRefImpl Sec, uint64_t &Res) const
- LLVM_OVERRIDE;
- error_code isSectionText(DataRefImpl Sec, bool &Res) const LLVM_OVERRIDE;
- error_code isSectionData(DataRefImpl Sec, bool &Res) const LLVM_OVERRIDE;
- error_code isSectionBSS(DataRefImpl Sec, bool &Res) const LLVM_OVERRIDE;
- error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const LLVM_OVERRIDE;
- error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const LLVM_OVERRIDE;
- error_code isSectionReadOnlyData(DataRefImpl Sec, bool &Res) const
- LLVM_OVERRIDE;
- error_code isSectionRequiredForExecution(DataRefImpl Sec, bool &Res) const
- LLVM_OVERRIDE;
+ 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 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;
+ 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 LLVM_OVERRIDE;
- relocation_iterator section_rel_begin(DataRefImpl Sec) const LLVM_OVERRIDE;
- relocation_iterator section_rel_end(DataRefImpl Sec) const LLVM_OVERRIDE;
-
- void moveRelocationNext(DataRefImpl &Rel) const LLVM_OVERRIDE;
- error_code getRelocationAddress(DataRefImpl Rel, uint64_t &Res) const
- LLVM_OVERRIDE;
- error_code getRelocationOffset(DataRefImpl Rel, uint64_t &Res) const
- LLVM_OVERRIDE;
- symbol_iterator getRelocationSymbol(DataRefImpl Rel) const LLVM_OVERRIDE;
- error_code getRelocationType(DataRefImpl Rel, uint64_t &Res) const
- LLVM_OVERRIDE;
- error_code getRelocationTypeName(DataRefImpl Rel,
- SmallVectorImpl<char> &Result) const
- LLVM_OVERRIDE;
- error_code getRelocationValueString(DataRefImpl Rel,
- SmallVectorImpl<char> &Result) const
- LLVM_OVERRIDE;
-
- error_code getLibraryNext(DataRefImpl LibData, LibraryRef &Result) const
- LLVM_OVERRIDE;
- error_code getLibraryPath(DataRefImpl LibData, StringRef &Result) const
- LLVM_OVERRIDE;
+ 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);
- symbol_iterator symbol_begin() const LLVM_OVERRIDE;
- symbol_iterator symbol_end() const LLVM_OVERRIDE;
- library_iterator needed_library_begin() const LLVM_OVERRIDE;
- library_iterator needed_library_end() const LLVM_OVERRIDE;
- section_iterator section_begin() const LLVM_OVERRIDE;
- section_iterator section_end() const LLVM_OVERRIDE;
-
- const coff_section *getCOFFSection(section_iterator &It) const;
- const coff_symbol *getCOFFSymbol(symbol_iterator &It) const;
- const coff_relocation *getCOFFRelocation(relocation_iterator &It) const;
-
- uint8_t getBytesInAddress() const LLVM_OVERRIDE;
- StringRef getFileFormatName() const LLVM_OVERRIDE;
- unsigned getArch() const LLVM_OVERRIDE;
- StringRef getLoadName() const LLVM_OVERRIDE;
+ 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;
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);
+ Res = reinterpret_cast<const T *>(s);
return ec;
}
error_code getSymbolName(const coff_symbol *symbol, StringRef &Res) const;
error_code getSectionContents(const coff_section *Sec,
ArrayRef<uint8_t> &Res) const;
- error_code getVaPtr(uint32_t Rva, uintptr_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();
- }
+ static inline bool classof(const Binary *v) { return v->isCOFF(); }
};
// The iterator for the import directory table.
class ImportDirectoryEntryRef {
public:
- ImportDirectoryEntryRef() : OwningObject(0) {}
+ ImportDirectoryEntryRef() : OwningObject(nullptr) {}
ImportDirectoryEntryRef(const import_directory_table_entry *Table, uint32_t I,
const COFFObjectFile *Owner)
: ImportTable(Table), Index(I), OwningObject(Owner) {}
// The iterator for the export directory table entry.
class ExportDirectoryEntryRef {
public:
- ExportDirectoryEntryRef() : OwningObject(0) {}
+ ExportDirectoryEntryRef() : OwningObject(nullptr) {}
ExportDirectoryEntryRef(const export_directory_table_entry *Table, uint32_t I,
const COFFObjectFile *Owner)
: ExportTable(Table), Index(I), OwningObject(Owner) {}
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