X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FObject%2FObjectFile.h;h=08131908e06783a78a56db6698459eda9faf1985;hb=3c4c9334b22f59d9ec8728491993ac731e09801a;hp=e00fe0ed0a2a150c506fb4c05b7e5157cd764f73;hpb=776f86420e7b89dd33414a34310dcbf246feefeb;p=oota-llvm.git diff --git a/include/llvm/Object/ObjectFile.h b/include/llvm/Object/ObjectFile.h index e00fe0ed0a2..08131908e06 100644 --- a/include/llvm/Object/ObjectFile.h +++ b/include/llvm/Object/ObjectFile.h @@ -35,8 +35,8 @@ class symbol_iterator; class SectionRef; typedef content_iterator 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; @@ -50,29 +50,22 @@ public: 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 &Result) const; - + void getTypeName(SmallVectorImpl &Result) const; DataRefImpl getRawDataRefImpl() const; - const ObjectFile *getObjectFile() const; + const ObjectFile *getObject() const; }; typedef content_iterator relocation_iterator; -/// SectionRef - This is a value type class that represents a single section in -/// the list of sections in the object file. +/// 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; @@ -116,8 +109,8 @@ public: 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; @@ -134,20 +127,27 @@ public: }; SymbolRef(DataRefImpl SymbolP, const ObjectFile *Owner); + SymbolRef(const BasicSymbolRef &B) : BasicSymbolRef(B) { + assert(isa(BasicSymbolRef::getObject())); + } - std::error_code getName(StringRef &Result) const; + ErrorOr 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 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). uint32_t getAlignment() const; - uint64_t getSize() const; - std::error_code getType(SymbolRef::Type &Result) const; - std::error_code getOther(uint8_t &Result) 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. - std::error_code getSection(section_iterator &Result) const; + ErrorOr getSection() const; const ObjectFile *getObject() const; }; @@ -170,9 +170,9 @@ public: } }; -/// 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() = delete; @@ -194,22 +194,16 @@ protected: // 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 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 ErrorOr getSymbolAddress(DataRefImpl Symb) const = 0; + virtual uint64_t getSymbolValueImpl(DataRefImpl Symb) const = 0; virtual uint32_t getSymbolAlignment(DataRefImpl Symb) const; - virtual uint64_t getSymbolSize(DataRefImpl Symb) const = 0; - virtual std::error_code getSymbolType(DataRefImpl Symb, - SymbolRef::Type &Res) const = 0; - virtual std::error_code getSymbolSection(DataRefImpl Symb, - section_iterator &Res) const = 0; - virtual std::error_code getSymbolOther(DataRefImpl Symb, - uint8_t &Res) const { - return object_error::invalid_file_type; - } + virtual uint64_t getCommonSymbolSizeImpl(DataRefImpl Symb) const = 0; + virtual SymbolRef::Type getSymbolType(DataRefImpl Symb) const = 0; + virtual ErrorOr + getSymbolSection(DataRefImpl Symb) const = 0; // Same as above for SectionRef. friend class SectionRef; @@ -226,8 +220,6 @@ protected: virtual bool isSectionBSS(DataRefImpl Sec) const = 0; // A section is 'virtual' if its contents aren't present in the object image. virtual bool isSectionVirtual(DataRefImpl Sec) const = 0; - virtual bool sectionContainsSymbol(DataRefImpl Sec, - DataRefImpl Symb) 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; @@ -235,23 +227,20 @@ protected: // 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 &Result) const = 0; - virtual std::error_code getRelocationHidden(DataRefImpl Rel, - bool &Result) const { - Result = false; - return std::error_code(); - } + virtual uint64_t getRelocationType(DataRefImpl Rel) const = 0; + virtual void getRelocationTypeName(DataRefImpl Rel, + SmallVectorImpl &Result) 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_range; symbol_iterator_range symbols() const { return symbol_iterator_range(symbol_begin(), symbol_end()); @@ -314,32 +303,32 @@ public: 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 SymbolRef::getName() const { + return getObject()->getSymbolName(getRawDataRefImpl()); } -inline std::error_code SymbolRef::getAddress(uint64_t &Result) const { - return getObject()->getSymbolAddress(getRawDataRefImpl(), Result); +inline ErrorOr SymbolRef::getAddress() const { + return getObject()->getSymbolAddress(getRawDataRefImpl()); } -inline uint32_t SymbolRef::getAlignment() const { - return getObject()->getSymbolAlignment(getRawDataRefImpl()); +inline uint64_t SymbolRef::getValue() const { + return getObject()->getSymbolValue(getRawDataRefImpl()); } -inline uint64_t SymbolRef::getSize() const { - return getObject()->getSymbolSize(getRawDataRefImpl()); +inline uint32_t SymbolRef::getAlignment() const { + return getObject()->getSymbolAlignment(getRawDataRefImpl()); } -inline std::error_code SymbolRef::getSection(section_iterator &Result) const { - return getObject()->getSymbolSection(getRawDataRefImpl(), Result); +inline uint64_t SymbolRef::getCommonSize() const { + return getObject()->getCommonSymbolSize(getRawDataRefImpl()); } -inline std::error_code SymbolRef::getType(SymbolRef::Type &Result) const { - return getObject()->getSymbolType(getRawDataRefImpl(), Result); +inline ErrorOr SymbolRef::getSection() const { + return getObject()->getSymbolSection(getRawDataRefImpl()); } -inline std::error_code SymbolRef::getOther(uint8_t &Result) const { - return getObject()->getSymbolOther(getRawDataRefImpl(), Result); +inline SymbolRef::Type SymbolRef::getType() const { + return getObject()->getSymbolType(getRawDataRefImpl()); } inline const ObjectFile *SymbolRef::getObject() const { @@ -406,11 +395,6 @@ inline bool SectionRef::isVirtual() const { return OwningObject->isSectionVirtual(SectionPimpl); } -inline bool SectionRef::containsSymbol(SymbolRef S) const { - return OwningObject->sectionContainsSymbol(SectionPimpl, - S.getRawDataRefImpl()); -} - inline relocation_iterator SectionRef::relocation_begin() const { return OwningObject->section_rel_begin(SectionPimpl); } @@ -445,36 +429,27 @@ inline void RelocationRef::moveNext() { 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 &Result) const { +inline void RelocationRef::getTypeName(SmallVectorImpl &Result) const { return OwningObject->getRelocationTypeName(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; }