diff options
Diffstat (limited to 'include/llvm/DebugInfo/DWARF/DWARFFormValue.h')
| -rw-r--r-- | include/llvm/DebugInfo/DWARF/DWARFFormValue.h | 331 |
1 files changed, 163 insertions, 168 deletions
diff --git a/include/llvm/DebugInfo/DWARF/DWARFFormValue.h b/include/llvm/DebugInfo/DWARF/DWARFFormValue.h index 36b27228f5c6..f3516ebdecba 100644 --- a/include/llvm/DebugInfo/DWARF/DWARFFormValue.h +++ b/include/llvm/DebugInfo/DWARF/DWARFFormValue.h @@ -39,20 +39,18 @@ public: private: struct ValueType { - ValueType() { - uval = 0; - } + ValueType() { uval = 0; } union { uint64_t uval; int64_t sval; - const char* cstr; + const char *cstr; }; - const uint8_t* data = nullptr; + const uint8_t *data = nullptr; }; - dwarf::Form Form; // Form for this value. - ValueType Value; // Contains all data for the form. + dwarf::Form Form; // Form for this value. + ValueType Value; // Contains all data for the form. const DWARFUnit *U = nullptr; // Remember the DWARFUnit at extract time. public: @@ -84,7 +82,7 @@ public: const DWARFUnit *U); bool isInlinedCStr() const { - return Value.data != nullptr && Value.data == (const uint8_t*)Value.cstr; + return Value.data != nullptr && Value.data == (const uint8_t *)Value.cstr; } /// getAsFoo functions below return the extracted value as Foo if only @@ -135,45 +133,45 @@ public: uint8_t AddrSize, llvm::dwarf::DwarfFormat Format); - /// Skip a form in \p debug_info_data at offset specified by \p offset_ptr. + /// Skip a form in \p DebugInfoData at offset specified by \p OffsetPtr. /// /// Skips the bytes for this form in the debug info and updates the offset. /// - /// \param debug_info_data the .debug_info data to use to skip the value. - /// \param offset_ptr a reference to the offset that will be updated. + /// \param DebugInfoData the .debug_info data to use to skip the value. + /// \param OffsetPtr a reference to the offset that will be updated. /// \param U the DWARFUnit to use when skipping the form in case the form /// size differs according to data in the DWARFUnit. /// \returns true on success, false if the form was not skipped. - bool skipValue(DataExtractor debug_info_data, uint32_t *offset_ptr, + bool skipValue(DataExtractor DebugInfoData, uint32_t *OffsetPtr, const DWARFUnit *U) const; - /// Skip a form in \p debug_info_data at offset specified by \p offset_ptr. + /// Skip a form in \p DebugInfoData at offset specified by \p OffsetPtr. /// /// Skips the bytes for this form in the debug info and updates the offset. /// - /// \param form the DW_FORM enumeration that indicates the form to skip. - /// \param debug_info_data the .debug_info data to use to skip the value. - /// \param offset_ptr a reference to the offset that will be updated. + /// \param Form the DW_FORM enumeration that indicates the form to skip. + /// \param DebugInfoData the .debug_info data to use to skip the value. + /// \param OffsetPtr a reference to the offset that will be updated. /// \param U the DWARFUnit to use when skipping the form in case the form /// size differs according to data in the DWARFUnit. /// \returns true on success, false if the form was not skipped. - static bool skipValue(dwarf::Form form, DataExtractor debug_info_data, - uint32_t *offset_ptr, const DWARFUnit *U); + static bool skipValue(dwarf::Form Form, DataExtractor DebugInfoData, + uint32_t *OffsetPtr, const DWARFUnit *U); - /// Skip a form in \p debug_info_data at offset specified by \p offset_ptr. + /// Skip a form in \p DebugInfoData at offset specified by \p OffsetPtr. /// /// Skips the bytes for this form in the debug info and updates the offset. /// - /// \param form the DW_FORM enumeration that indicates the form to skip. - /// \param debug_info_data the .debug_info data to use to skip the value. - /// \param offset_ptr a reference to the offset that will be updated. + /// \param Form the DW_FORM enumeration that indicates the form to skip. + /// \param DebugInfoData the .debug_info data to use to skip the value. + /// \param OffsetPtr a reference to the offset that will be updated. /// \param Version DWARF version number. /// \param AddrSize size of an address in bytes. /// \param Format enum value from llvm::dwarf::DwarfFormat. /// \returns true on success, false if the form was not skipped. - static bool skipValue(dwarf::Form form, DataExtractor debug_info_data, - uint32_t *offset_ptr, uint16_t Version, - uint8_t AddrSize, llvm::dwarf::DwarfFormat Format); + static bool skipValue(dwarf::Form Form, DataExtractor DebugInfoData, + uint32_t *OffsetPtr, uint16_t Version, uint8_t AddrSize, + llvm::dwarf::DwarfFormat Format); private: void dumpString(raw_ostream &OS) const; @@ -181,149 +179,146 @@ private: namespace dwarf { - /// Take an optional DWARFFormValue and try to extract a string value from it. - /// - /// \param V and optional DWARFFormValue to attempt to extract the value from. - /// \returns an optional value that contains a value if the form value - /// was valid and was a string. - inline Optional<const char*> toString(const Optional<DWARFFormValue>& V) { - if (V) - return V->getAsCString(); - return None; - } - - /// Take an optional DWARFFormValue and extract a string value from it. - /// - /// \param V and optional DWARFFormValue to attempt to extract the value from. - /// \param Default the default value to return in case of failure. - /// \returns the string value or Default if the V doesn't have a value or the - /// form value's encoding wasn't a string. - inline const char* - toString(const Optional<DWARFFormValue>& V, const char *Default) { - return toString(V).getValueOr(Default); - } - - /// Take an optional DWARFFormValue and try to extract an unsigned constant. - /// - /// \param V and optional DWARFFormValue to attempt to extract the value from. - /// \returns an optional value that contains a value if the form value - /// was valid and has a unsigned constant form. - inline Optional<uint64_t> toUnsigned(const Optional<DWARFFormValue>& V) { - if (V) - return V->getAsUnsignedConstant(); - return None; - } - - /// Take an optional DWARFFormValue and extract a unsigned constant. - /// - /// \param V and optional DWARFFormValue to attempt to extract the value from. - /// \param Default the default value to return in case of failure. - /// \returns the extracted unsigned value or Default if the V doesn't have a - /// value or the form value's encoding wasn't an unsigned constant form. - inline uint64_t - toUnsigned(const Optional<DWARFFormValue>& V, uint64_t Default) { - return toUnsigned(V).getValueOr(Default); - } - - /// Take an optional DWARFFormValue and try to extract an reference. - /// - /// \param V and optional DWARFFormValue to attempt to extract the value from. - /// \returns an optional value that contains a value if the form value - /// was valid and has a reference form. - inline Optional<uint64_t> toReference(const Optional<DWARFFormValue>& V) { - if (V) - return V->getAsReference(); - return None; - } - - /// Take an optional DWARFFormValue and extract a reference. - /// - /// \param V and optional DWARFFormValue to attempt to extract the value from. - /// \param Default the default value to return in case of failure. - /// \returns the extracted reference value or Default if the V doesn't have a - /// value or the form value's encoding wasn't a reference form. - inline uint64_t - toReference(const Optional<DWARFFormValue>& V, uint64_t Default) { - return toReference(V).getValueOr(Default); - } - - /// Take an optional DWARFFormValue and try to extract an signed constant. - /// - /// \param V and optional DWARFFormValue to attempt to extract the value from. - /// \returns an optional value that contains a value if the form value - /// was valid and has a signed constant form. - inline Optional<int64_t> toSigned(const Optional<DWARFFormValue>& V) { - if (V) - return V->getAsSignedConstant(); - return None; - } - - /// Take an optional DWARFFormValue and extract a signed integer. - /// - /// \param V and optional DWARFFormValue to attempt to extract the value from. - /// \param Default the default value to return in case of failure. - /// \returns the extracted signed integer value or Default if the V doesn't - /// have a value or the form value's encoding wasn't a signed integer form. - inline int64_t - toSigned(const Optional<DWARFFormValue>& V, int64_t Default) { - return toSigned(V).getValueOr(Default); - } - - /// Take an optional DWARFFormValue and try to extract an address. - /// - /// \param V and optional DWARFFormValue to attempt to extract the value from. - /// \returns an optional value that contains a value if the form value - /// was valid and has a address form. - inline Optional<uint64_t> toAddress(const Optional<DWARFFormValue>& V) { - if (V) - return V->getAsAddress(); - return None; - } - - /// Take an optional DWARFFormValue and extract a address. - /// - /// \param V and optional DWARFFormValue to attempt to extract the value from. - /// \param Default the default value to return in case of failure. - /// \returns the extracted address value or Default if the V doesn't have a - /// value or the form value's encoding wasn't an address form. - inline uint64_t - toAddress(const Optional<DWARFFormValue>& V, uint64_t Default) { - return toAddress(V).getValueOr(Default); - } - - /// Take an optional DWARFFormValue and try to extract an section offset. - /// - /// \param V and optional DWARFFormValue to attempt to extract the value from. - /// \returns an optional value that contains a value if the form value - /// was valid and has a section offset form. - inline Optional<uint64_t> toSectionOffset(const Optional<DWARFFormValue>& V) { - if (V) - return V->getAsSectionOffset(); - return None; - } - - /// Take an optional DWARFFormValue and extract a section offset. - /// - /// \param V and optional DWARFFormValue to attempt to extract the value from. - /// \param Default the default value to return in case of failure. - /// \returns the extracted section offset value or Default if the V doesn't - /// have a value or the form value's encoding wasn't a section offset form. - inline uint64_t - toSectionOffset(const Optional<DWARFFormValue>& V, uint64_t Default) { - return toSectionOffset(V).getValueOr(Default); - } - - /// Take an optional DWARFFormValue and try to extract block data. - /// - /// \param V and optional DWARFFormValue to attempt to extract the value from. - /// \returns an optional value that contains a value if the form value - /// was valid and has a block form. - inline Optional<ArrayRef<uint8_t>> - toBlock(const Optional<DWARFFormValue>& V) { - if (V) - return V->getAsBlock(); - return None; - } +/// Take an optional DWARFFormValue and try to extract a string value from it. +/// +/// \param V and optional DWARFFormValue to attempt to extract the value from. +/// \returns an optional value that contains a value if the form value +/// was valid and was a string. +inline Optional<const char *> toString(const Optional<DWARFFormValue> &V) { + if (V) + return V->getAsCString(); + return None; +} + +/// Take an optional DWARFFormValue and extract a string value from it. +/// +/// \param V and optional DWARFFormValue to attempt to extract the value from. +/// \param Default the default value to return in case of failure. +/// \returns the string value or Default if the V doesn't have a value or the +/// form value's encoding wasn't a string. +inline const char *toString(const Optional<DWARFFormValue> &V, + const char *Default) { + return toString(V).getValueOr(Default); +} + +/// Take an optional DWARFFormValue and try to extract an unsigned constant. +/// +/// \param V and optional DWARFFormValue to attempt to extract the value from. +/// \returns an optional value that contains a value if the form value +/// was valid and has a unsigned constant form. +inline Optional<uint64_t> toUnsigned(const Optional<DWARFFormValue> &V) { + if (V) + return V->getAsUnsignedConstant(); + return None; +} + +/// Take an optional DWARFFormValue and extract a unsigned constant. +/// +/// \param V and optional DWARFFormValue to attempt to extract the value from. +/// \param Default the default value to return in case of failure. +/// \returns the extracted unsigned value or Default if the V doesn't have a +/// value or the form value's encoding wasn't an unsigned constant form. +inline uint64_t toUnsigned(const Optional<DWARFFormValue> &V, + uint64_t Default) { + return toUnsigned(V).getValueOr(Default); +} + +/// Take an optional DWARFFormValue and try to extract an reference. +/// +/// \param V and optional DWARFFormValue to attempt to extract the value from. +/// \returns an optional value that contains a value if the form value +/// was valid and has a reference form. +inline Optional<uint64_t> toReference(const Optional<DWARFFormValue> &V) { + if (V) + return V->getAsReference(); + return None; +} + +/// Take an optional DWARFFormValue and extract a reference. +/// +/// \param V and optional DWARFFormValue to attempt to extract the value from. +/// \param Default the default value to return in case of failure. +/// \returns the extracted reference value or Default if the V doesn't have a +/// value or the form value's encoding wasn't a reference form. +inline uint64_t toReference(const Optional<DWARFFormValue> &V, + uint64_t Default) { + return toReference(V).getValueOr(Default); +} + +/// Take an optional DWARFFormValue and try to extract an signed constant. +/// +/// \param V and optional DWARFFormValue to attempt to extract the value from. +/// \returns an optional value that contains a value if the form value +/// was valid and has a signed constant form. +inline Optional<int64_t> toSigned(const Optional<DWARFFormValue> &V) { + if (V) + return V->getAsSignedConstant(); + return None; +} + +/// Take an optional DWARFFormValue and extract a signed integer. +/// +/// \param V and optional DWARFFormValue to attempt to extract the value from. +/// \param Default the default value to return in case of failure. +/// \returns the extracted signed integer value or Default if the V doesn't +/// have a value or the form value's encoding wasn't a signed integer form. +inline int64_t toSigned(const Optional<DWARFFormValue> &V, int64_t Default) { + return toSigned(V).getValueOr(Default); +} + +/// Take an optional DWARFFormValue and try to extract an address. +/// +/// \param V and optional DWARFFormValue to attempt to extract the value from. +/// \returns an optional value that contains a value if the form value +/// was valid and has a address form. +inline Optional<uint64_t> toAddress(const Optional<DWARFFormValue> &V) { + if (V) + return V->getAsAddress(); + return None; +} + +/// Take an optional DWARFFormValue and extract a address. +/// +/// \param V and optional DWARFFormValue to attempt to extract the value from. +/// \param Default the default value to return in case of failure. +/// \returns the extracted address value or Default if the V doesn't have a +/// value or the form value's encoding wasn't an address form. +inline uint64_t toAddress(const Optional<DWARFFormValue> &V, uint64_t Default) { + return toAddress(V).getValueOr(Default); +} + +/// Take an optional DWARFFormValue and try to extract an section offset. +/// +/// \param V and optional DWARFFormValue to attempt to extract the value from. +/// \returns an optional value that contains a value if the form value +/// was valid and has a section offset form. +inline Optional<uint64_t> toSectionOffset(const Optional<DWARFFormValue> &V) { + if (V) + return V->getAsSectionOffset(); + return None; +} + +/// Take an optional DWARFFormValue and extract a section offset. +/// +/// \param V and optional DWARFFormValue to attempt to extract the value from. +/// \param Default the default value to return in case of failure. +/// \returns the extracted section offset value or Default if the V doesn't +/// have a value or the form value's encoding wasn't a section offset form. +inline uint64_t toSectionOffset(const Optional<DWARFFormValue> &V, + uint64_t Default) { + return toSectionOffset(V).getValueOr(Default); +} + +/// Take an optional DWARFFormValue and try to extract block data. +/// +/// \param V and optional DWARFFormValue to attempt to extract the value from. +/// \returns an optional value that contains a value if the form value +/// was valid and has a block form. +inline Optional<ArrayRef<uint8_t>> toBlock(const Optional<DWARFFormValue> &V) { + if (V) + return V->getAsBlock(); + return None; +} } // end namespace dwarf |