namespace object {
class ObjectFile;
+class COFFObjectFile;
+class MachOObjectFile;
class SymbolRef;
class symbol_iterator;
+class SectionRef;
+typedef content_iterator<SectionRef> section_iterator;
-/// RelocationRef - This is a value type class that represents a single
-/// relocation in the list of relocations in the object file.
+/// This is a value type class that represents a single relocation in the list
+/// of relocations in the object file.
class RelocationRef {
DataRefImpl RelocationPimpl;
const ObjectFile *OwningObject;
void moveNext();
- std::error_code getAddress(uint64_t &Result) const;
- std::error_code getOffset(uint64_t &Result) const;
+ uint64_t getOffset() const;
symbol_iterator getSymbol() const;
- std::error_code getType(uint64_t &Result) const;
-
- /// @brief Indicates whether this relocation should hidden when listing
- /// relocations, usually because it is the trailing part of a multipart
- /// relocation that will be printed as part of the leading relocation.
- std::error_code getHidden(bool &Result) const;
+ uint64_t getType() const;
/// @brief Get a string that represents the type of this relocation.
///
/// This is for display purposes only.
- std::error_code getTypeName(SmallVectorImpl<char> &Result) const;
-
- /// @brief Get a string that represents the calculation of the value of this
- /// relocation.
- ///
- /// This is for display purposes only.
- std::error_code getValueString(SmallVectorImpl<char> &Result) const;
+ void getTypeName(SmallVectorImpl<char> &Result) const;
DataRefImpl getRawDataRefImpl() const;
- const ObjectFile *getObjectFile() const;
+ const ObjectFile *getObject() const;
};
typedef content_iterator<RelocationRef> relocation_iterator;
-/// SectionRef - This is a value type class that represents a single section in
-/// the list of sections in the object file.
-class SectionRef;
-typedef content_iterator<SectionRef> section_iterator;
+/// This is a value type class that represents a single section in the list of
+/// sections in the object file.
class SectionRef {
friend class SymbolRef;
DataRefImpl SectionPimpl;
void moveNext();
std::error_code getName(StringRef &Result) const;
- std::error_code getAddress(uint64_t &Result) const;
- std::error_code getSize(uint64_t &Result) const;
+ uint64_t getAddress() const;
+ uint64_t getSize() const;
std::error_code getContents(StringRef &Result) const;
/// @brief Get the alignment of this section as the actual value (not log 2).
- std::error_code getAlignment(uint64_t &Result) const;
+ uint64_t getAlignment() const;
- // FIXME: Move to the normalization layer when it's created.
- std::error_code isText(bool &Result) const;
- std::error_code isData(bool &Result) const;
- std::error_code isBSS(bool &Result) const;
- std::error_code isRequiredForExecution(bool &Result) const;
- std::error_code isVirtual(bool &Result) const;
- std::error_code isZeroInit(bool &Result) const;
- std::error_code isReadOnlyData(bool &Result) const;
+ bool isText() const;
+ bool isData() const;
+ bool isBSS() const;
+ bool isVirtual() const;
- std::error_code containsSymbol(SymbolRef S, bool &Result) const;
+ bool containsSymbol(SymbolRef S) const;
relocation_iterator relocation_begin() const;
relocation_iterator relocation_end() const;
section_iterator getRelocatedSection() const;
DataRefImpl getRawDataRefImpl() const;
+ const ObjectFile *getObject() const;
};
-/// SymbolRef - This is a value type class that represents a single symbol in
-/// the list of symbols in the object file.
+/// This is a value type class that represents a single symbol in the list of
+/// symbols in the object file.
class SymbolRef : public BasicSymbolRef {
friend class SectionRef;
};
SymbolRef(DataRefImpl SymbolP, const ObjectFile *Owner);
+ SymbolRef(const BasicSymbolRef &B) : BasicSymbolRef(B) {
+ assert(isa<ObjectFile>(BasicSymbolRef::getObject()));
+ }
- std::error_code getName(StringRef &Result) const;
+ ErrorOr<StringRef> getName() const;
/// Returns the symbol virtual address (i.e. address at which it will be
/// mapped).
- std::error_code getAddress(uint64_t &Result) const;
+ ErrorOr<uint64_t> getAddress() const;
+
+ /// Return the value of the symbol depending on the object this can be an
+ /// offset or a virtual address.
+ uint64_t getValue() const;
+
/// @brief Get the alignment of this symbol as the actual value (not log 2).
- std::error_code getAlignment(uint32_t &Result) const;
- std::error_code getSize(uint64_t &Result) const;
- std::error_code getType(SymbolRef::Type &Result) const;
+ uint32_t getAlignment() const;
+ uint64_t getCommonSize() const;
+ SymbolRef::Type getType() const;
/// @brief Get section this symbol is defined in reference to. Result is
/// end_sections() if it is undefined or is an absolute symbol.
}
};
-/// LibraryRef - This is a value type class that represents a single library in
-/// the list of libraries needed by a shared or dynamic object.
-class LibraryRef {
- friend class SectionRef;
- DataRefImpl LibraryPimpl;
- const ObjectFile *OwningObject;
-
-public:
- LibraryRef() : OwningObject(nullptr) { }
-
- LibraryRef(DataRefImpl LibraryP, const ObjectFile *Owner);
-
- bool operator==(const LibraryRef &Other) const;
- bool operator<(const LibraryRef &Other) const;
-
- std::error_code getNext(LibraryRef &Result) const;
-
- // Get the path to this library, as stored in the object file.
- std::error_code getPath(StringRef &Result) const;
-
- DataRefImpl getRawDataRefImpl() const;
-};
-typedef content_iterator<LibraryRef> library_iterator;
-
-/// ObjectFile - This class is the base class for all object file types.
-/// Concrete instances of this object are created by createObjectFile, which
-/// figures out which type to create.
+/// This class is the base class for all object file types. Concrete instances
+/// of this object are created by createObjectFile, which figures out which type
+/// to create.
class ObjectFile : public SymbolicFile {
virtual void anchor();
- ObjectFile() LLVM_DELETED_FUNCTION;
- ObjectFile(const ObjectFile &other) LLVM_DELETED_FUNCTION;
+ ObjectFile() = delete;
+ ObjectFile(const ObjectFile &other) = delete;
protected:
- ObjectFile(unsigned int Type, MemoryBuffer *Source, bool BufferOwned = true);
+ ObjectFile(unsigned int Type, MemoryBufferRef Source);
const uint8_t *base() const {
- return reinterpret_cast<const uint8_t *>(Data->getBufferStart());
+ return reinterpret_cast<const uint8_t *>(Data.getBufferStart());
}
// These functions are for SymbolRef to call internally. The main goal of
// Implementations assume that the DataRefImpl is valid and has not been
// modified externally. It's UB otherwise.
friend class SymbolRef;
- virtual std::error_code getSymbolName(DataRefImpl Symb,
- StringRef &Res) const = 0;
+ virtual ErrorOr<StringRef> getSymbolName(DataRefImpl Symb) const = 0;
std::error_code printSymbolName(raw_ostream &OS,
DataRefImpl Symb) const override;
- virtual std::error_code getSymbolAddress(DataRefImpl Symb,
- uint64_t &Res) const = 0;
- virtual std::error_code getSymbolAlignment(DataRefImpl Symb,
- uint32_t &Res) const;
- virtual std::error_code getSymbolSize(DataRefImpl Symb,
- uint64_t &Res) const = 0;
- virtual std::error_code getSymbolType(DataRefImpl Symb,
- SymbolRef::Type &Res) const = 0;
+ virtual ErrorOr<uint64_t> getSymbolAddress(DataRefImpl Symb) const = 0;
+ virtual uint64_t getSymbolValueImpl(DataRefImpl Symb) const = 0;
+ virtual uint32_t getSymbolAlignment(DataRefImpl Symb) const;
+ virtual uint64_t getCommonSymbolSizeImpl(DataRefImpl Symb) const = 0;
+ virtual SymbolRef::Type getSymbolType(DataRefImpl Symb) const = 0;
virtual std::error_code getSymbolSection(DataRefImpl Symb,
section_iterator &Res) const = 0;
virtual void moveSectionNext(DataRefImpl &Sec) const = 0;
virtual std::error_code getSectionName(DataRefImpl Sec,
StringRef &Res) const = 0;
- virtual std::error_code getSectionAddress(DataRefImpl Sec,
- uint64_t &Res) const = 0;
- virtual std::error_code getSectionSize(DataRefImpl Sec,
- uint64_t &Res) const = 0;
+ virtual uint64_t getSectionAddress(DataRefImpl Sec) const = 0;
+ virtual uint64_t getSectionSize(DataRefImpl Sec) const = 0;
virtual std::error_code getSectionContents(DataRefImpl Sec,
StringRef &Res) const = 0;
- virtual std::error_code getSectionAlignment(DataRefImpl Sec,
- uint64_t &Res) const = 0;
- virtual std::error_code isSectionText(DataRefImpl Sec, bool &Res) const = 0;
- virtual std::error_code isSectionData(DataRefImpl Sec, bool &Res) const = 0;
- virtual std::error_code isSectionBSS(DataRefImpl Sec, bool &Res) const = 0;
- virtual std::error_code isSectionRequiredForExecution(DataRefImpl Sec,
- bool &Res) const = 0;
+ virtual uint64_t getSectionAlignment(DataRefImpl Sec) const = 0;
+ virtual bool isSectionText(DataRefImpl Sec) const = 0;
+ virtual bool isSectionData(DataRefImpl Sec) const = 0;
+ virtual bool isSectionBSS(DataRefImpl Sec) const = 0;
// A section is 'virtual' if its contents aren't present in the object image.
- virtual std::error_code isSectionVirtual(DataRefImpl Sec,
- bool &Res) const = 0;
- virtual std::error_code isSectionZeroInit(DataRefImpl Sec,
- bool &Res) const = 0;
- virtual std::error_code isSectionReadOnlyData(DataRefImpl Sec,
- bool &Res) const = 0;
- virtual std::error_code sectionContainsSymbol(DataRefImpl Sec,
- DataRefImpl Symb,
- bool &Result) const = 0;
+ virtual bool isSectionVirtual(DataRefImpl Sec) const = 0;
virtual relocation_iterator section_rel_begin(DataRefImpl Sec) const = 0;
virtual relocation_iterator section_rel_end(DataRefImpl Sec) const = 0;
virtual section_iterator getRelocatedSection(DataRefImpl Sec) const;
// Same as above for RelocationRef.
friend class RelocationRef;
virtual void moveRelocationNext(DataRefImpl &Rel) const = 0;
- virtual std::error_code getRelocationAddress(DataRefImpl Rel,
- uint64_t &Res) const = 0;
- virtual std::error_code getRelocationOffset(DataRefImpl Rel,
- uint64_t &Res) const = 0;
+ virtual uint64_t getRelocationOffset(DataRefImpl Rel) const = 0;
virtual symbol_iterator getRelocationSymbol(DataRefImpl Rel) const = 0;
- virtual std::error_code getRelocationType(DataRefImpl Rel,
- uint64_t &Res) const = 0;
- virtual std::error_code
- getRelocationTypeName(DataRefImpl Rel,
- SmallVectorImpl<char> &Result) const = 0;
- virtual std::error_code
- getRelocationValueString(DataRefImpl Rel,
- SmallVectorImpl<char> &Result) const = 0;
- virtual std::error_code getRelocationHidden(DataRefImpl Rel,
- bool &Result) const {
- Result = false;
- return object_error::success;
- }
+ virtual uint64_t getRelocationType(DataRefImpl Rel) const = 0;
+ virtual void getRelocationTypeName(DataRefImpl Rel,
+ SmallVectorImpl<char> &Result) const = 0;
- // Same for LibraryRef
- friend class LibraryRef;
- virtual std::error_code getLibraryNext(DataRefImpl Lib,
- LibraryRef &Res) const = 0;
- virtual std::error_code getLibraryPath(DataRefImpl Lib,
- StringRef &Res) const = 0;
+ uint64_t getSymbolValue(DataRefImpl Symb) const;
public:
+ uint64_t getCommonSymbolSize(DataRefImpl Symb) const {
+ assert(getSymbolFlags(Symb) & SymbolRef::SF_Common);
+ return getCommonSymbolSizeImpl(Symb);
+ }
+
typedef iterator_range<symbol_iterator> symbol_iterator_range;
symbol_iterator_range symbols() const {
return symbol_iterator_range(symbol_begin(), symbol_end());
return section_iterator_range(section_begin(), section_end());
}
- virtual library_iterator needed_library_begin() const = 0;
- virtual library_iterator needed_library_end() const = 0;
-
/// @brief The number of bytes used to represent an address in this object
/// file format.
virtual uint8_t getBytesInAddress() const = 0;
virtual StringRef getFileFormatName() const = 0;
virtual /* Triple::ArchType */ unsigned getArch() const = 0;
- /// For shared objects, returns the name which this object should be
- /// loaded from at runtime. This corresponds to DT_SONAME on ELF and
- /// LC_ID_DYLIB (install name) on MachO.
- virtual StringRef getLoadName() const = 0;
+ /// Returns platform-specific object flags, if any.
+ virtual std::error_code getPlatformFlags(unsigned &Result) const {
+ Result = 0;
+ return object_error::invalid_file_type;
+ }
+
+ /// True if this is a relocatable object (.o/.obj).
+ virtual bool isRelocatableObject() const = 0;
/// @returns Pointer to ObjectFile subclass to handle this type of object.
/// @param ObjectPath The path to the object file. ObjectPath.isObject must
/// return true.
/// @brief Create ObjectFile from path.
- static ErrorOr<ObjectFile *> createObjectFile(StringRef ObjectPath);
- static ErrorOr<ObjectFile *> createObjectFile(MemoryBuffer *Object,
- bool BufferOwned,
- sys::fs::file_magic Type);
- static ErrorOr<ObjectFile *> createObjectFile(MemoryBuffer *Object) {
- return createObjectFile(Object, true, sys::fs::file_magic::unknown);
+ static ErrorOr<OwningBinary<ObjectFile>>
+ createObjectFile(StringRef ObjectPath);
+
+ static ErrorOr<std::unique_ptr<ObjectFile>>
+ createObjectFile(MemoryBufferRef Object, sys::fs::file_magic Type);
+ static ErrorOr<std::unique_ptr<ObjectFile>>
+ createObjectFile(MemoryBufferRef Object) {
+ return createObjectFile(Object, sys::fs::file_magic::unknown);
}
return v->isObject();
}
-public:
- static ErrorOr<ObjectFile *> createCOFFObjectFile(MemoryBuffer *Object,
- bool BufferOwned = true);
- static ErrorOr<ObjectFile *> createELFObjectFile(MemoryBuffer *Object,
- bool BufferOwned = true);
- static ErrorOr<ObjectFile *> createMachOObjectFile(MemoryBuffer *Object,
- bool BufferOwned = true);
+ static ErrorOr<std::unique_ptr<COFFObjectFile>>
+ createCOFFObjectFile(MemoryBufferRef Object);
+
+ static ErrorOr<std::unique_ptr<ObjectFile>>
+ createELFObjectFile(MemoryBufferRef Object);
+
+ static ErrorOr<std::unique_ptr<MachOObjectFile>>
+ createMachOObjectFile(MemoryBufferRef Object);
};
// Inline function definitions.
inline SymbolRef::SymbolRef(DataRefImpl SymbolP, const ObjectFile *Owner)
: BasicSymbolRef(SymbolP, Owner) {}
-inline std::error_code SymbolRef::getName(StringRef &Result) const {
- return getObject()->getSymbolName(getRawDataRefImpl(), Result);
+inline ErrorOr<StringRef> SymbolRef::getName() const {
+ return getObject()->getSymbolName(getRawDataRefImpl());
+}
+
+inline ErrorOr<uint64_t> SymbolRef::getAddress() const {
+ return getObject()->getSymbolAddress(getRawDataRefImpl());
}
-inline std::error_code SymbolRef::getAddress(uint64_t &Result) const {
- return getObject()->getSymbolAddress(getRawDataRefImpl(), Result);
+inline uint64_t SymbolRef::getValue() const {
+ return getObject()->getSymbolValue(getRawDataRefImpl());
}
-inline std::error_code SymbolRef::getAlignment(uint32_t &Result) const {
- return getObject()->getSymbolAlignment(getRawDataRefImpl(), Result);
+inline uint32_t SymbolRef::getAlignment() const {
+ return getObject()->getSymbolAlignment(getRawDataRefImpl());
}
-inline std::error_code SymbolRef::getSize(uint64_t &Result) const {
- return getObject()->getSymbolSize(getRawDataRefImpl(), Result);
+inline uint64_t SymbolRef::getCommonSize() const {
+ return getObject()->getCommonSymbolSize(getRawDataRefImpl());
}
inline std::error_code SymbolRef::getSection(section_iterator &Result) const {
return getObject()->getSymbolSection(getRawDataRefImpl(), Result);
}
-inline std::error_code SymbolRef::getType(SymbolRef::Type &Result) const {
- return getObject()->getSymbolType(getRawDataRefImpl(), Result);
+inline SymbolRef::Type SymbolRef::getType() const {
+ return getObject()->getSymbolType(getRawDataRefImpl());
}
inline const ObjectFile *SymbolRef::getObject() const {
return OwningObject->getSectionName(SectionPimpl, Result);
}
-inline std::error_code SectionRef::getAddress(uint64_t &Result) const {
- return OwningObject->getSectionAddress(SectionPimpl, Result);
+inline uint64_t SectionRef::getAddress() const {
+ return OwningObject->getSectionAddress(SectionPimpl);
}
-inline std::error_code SectionRef::getSize(uint64_t &Result) const {
- return OwningObject->getSectionSize(SectionPimpl, Result);
+inline uint64_t SectionRef::getSize() const {
+ return OwningObject->getSectionSize(SectionPimpl);
}
inline std::error_code SectionRef::getContents(StringRef &Result) const {
return OwningObject->getSectionContents(SectionPimpl, Result);
}
-inline std::error_code SectionRef::getAlignment(uint64_t &Result) const {
- return OwningObject->getSectionAlignment(SectionPimpl, Result);
-}
-
-inline std::error_code SectionRef::isText(bool &Result) const {
- return OwningObject->isSectionText(SectionPimpl, Result);
-}
-
-inline std::error_code SectionRef::isData(bool &Result) const {
- return OwningObject->isSectionData(SectionPimpl, Result);
-}
-
-inline std::error_code SectionRef::isBSS(bool &Result) const {
- return OwningObject->isSectionBSS(SectionPimpl, Result);
-}
-
-inline std::error_code SectionRef::isRequiredForExecution(bool &Result) const {
- return OwningObject->isSectionRequiredForExecution(SectionPimpl, Result);
+inline uint64_t SectionRef::getAlignment() const {
+ return OwningObject->getSectionAlignment(SectionPimpl);
}
-inline std::error_code SectionRef::isVirtual(bool &Result) const {
- return OwningObject->isSectionVirtual(SectionPimpl, Result);
+inline bool SectionRef::isText() const {
+ return OwningObject->isSectionText(SectionPimpl);
}
-inline std::error_code SectionRef::isZeroInit(bool &Result) const {
- return OwningObject->isSectionZeroInit(SectionPimpl, Result);
+inline bool SectionRef::isData() const {
+ return OwningObject->isSectionData(SectionPimpl);
}
-inline std::error_code SectionRef::isReadOnlyData(bool &Result) const {
- return OwningObject->isSectionReadOnlyData(SectionPimpl, Result);
+inline bool SectionRef::isBSS() const {
+ return OwningObject->isSectionBSS(SectionPimpl);
}
-inline std::error_code SectionRef::containsSymbol(SymbolRef S,
- bool &Result) const {
- return OwningObject->sectionContainsSymbol(SectionPimpl,
- S.getRawDataRefImpl(), Result);
+inline bool SectionRef::isVirtual() const {
+ return OwningObject->isSectionVirtual(SectionPimpl);
}
inline relocation_iterator SectionRef::relocation_begin() const {
return SectionPimpl;
}
+inline const ObjectFile *SectionRef::getObject() const {
+ return OwningObject;
+}
+
/// RelocationRef
inline RelocationRef::RelocationRef(DataRefImpl RelocationP,
const ObjectFile *Owner)
return OwningObject->moveRelocationNext(RelocationPimpl);
}
-inline std::error_code RelocationRef::getAddress(uint64_t &Result) const {
- return OwningObject->getRelocationAddress(RelocationPimpl, Result);
-}
-
-inline std::error_code RelocationRef::getOffset(uint64_t &Result) const {
- return OwningObject->getRelocationOffset(RelocationPimpl, Result);
+inline uint64_t RelocationRef::getOffset() const {
+ return OwningObject->getRelocationOffset(RelocationPimpl);
}
inline symbol_iterator RelocationRef::getSymbol() const {
return OwningObject->getRelocationSymbol(RelocationPimpl);
}
-inline std::error_code RelocationRef::getType(uint64_t &Result) const {
- return OwningObject->getRelocationType(RelocationPimpl, Result);
+inline uint64_t RelocationRef::getType() const {
+ return OwningObject->getRelocationType(RelocationPimpl);
}
-inline std::error_code
-RelocationRef::getTypeName(SmallVectorImpl<char> &Result) const {
+inline void RelocationRef::getTypeName(SmallVectorImpl<char> &Result) const {
return OwningObject->getRelocationTypeName(RelocationPimpl, Result);
}
-inline std::error_code
-RelocationRef::getValueString(SmallVectorImpl<char> &Result) const {
- return OwningObject->getRelocationValueString(RelocationPimpl, Result);
-}
-
-inline std::error_code RelocationRef::getHidden(bool &Result) const {
- return OwningObject->getRelocationHidden(RelocationPimpl, Result);
-}
-
inline DataRefImpl RelocationRef::getRawDataRefImpl() const {
return RelocationPimpl;
}
-inline const ObjectFile *RelocationRef::getObjectFile() const {
+inline const ObjectFile *RelocationRef::getObject() const {
return OwningObject;
}
-// Inline function definitions.
-inline LibraryRef::LibraryRef(DataRefImpl LibraryP, const ObjectFile *Owner)
- : LibraryPimpl(LibraryP)
- , OwningObject(Owner) {}
-
-inline bool LibraryRef::operator==(const LibraryRef &Other) const {
- return LibraryPimpl == Other.LibraryPimpl;
-}
-
-inline bool LibraryRef::operator<(const LibraryRef &Other) const {
- return LibraryPimpl < Other.LibraryPimpl;
-}
-
-inline std::error_code LibraryRef::getNext(LibraryRef &Result) const {
- return OwningObject->getLibraryNext(LibraryPimpl, Result);
-}
-
-inline std::error_code LibraryRef::getPath(StringRef &Result) const {
- return OwningObject->getLibraryPath(LibraryPimpl, Result);
-}
} // end namespace object
} // end namespace llvm
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