llvm::DWARFFormValue Class Reference

#include <DWARFFormValue.h>

Public Types
enum	FormClass {   FC_Unknown, FC_Address, FC_Block, FC_Constant,   FC_String, FC_Flag, FC_Reference, FC_Indirect,   FC_SectionOffset, FC_Exprloc }

Public Member Functions
	DWARFFormValue (uint16_t Form=0)
uint16_t	getForm () const
bool	isFormClass (FormClass FC) const
void	dump (raw_ostream &OS, const DWARFUnit *U) const
bool	extractValue (DataExtractor data, uint32_t *offset_ptr, const DWARFUnit *u)
bool	isInlinedCStr () const
Optional< uint64_t >	getAsReference (const DWARFUnit *U) const
Optional< uint64_t >	getAsUnsignedConstant () const
Optional< const char * >	getAsCString (const DWARFUnit *U) const
Optional< uint64_t >	getAsAddress (const DWARFUnit *U) const
Optional< uint64_t >	getAsSectionOffset () const
bool	skipValue (DataExtractor debug_info_data, uint32_t *offset_ptr, const DWARFUnit *u) const

Static Public Member Functions
static bool	skipValue (uint16_t form, DataExtractor debug_info_data, uint32_t *offset_ptr, const DWARFUnit *u)
static ArrayRef< uint8_t >	getFixedFormSizes (uint8_t AddrSize, uint16_t Version)

Detailed Description

Definition at line 22 of file DWARFFormValue.h.

Member Enumeration Documentation

enum llvm::DWARFFormValue::FormClass

Enumerator
FC_Unknown
FC_Address
FC_Block
FC_Constant
FC_String
FC_Flag
FC_Reference
FC_Indirect
FC_SectionOffset
FC_Exprloc

Definition at line 24 of file DWARFFormValue.h.

Constructor & Destructor Documentation

llvm::DWARFFormValue::DWARFFormValue ( uint16_t  Form = 0 )

inline

Definition at line 55 of file DWARFFormValue.h.

Member Function Documentation

void DWARFFormValue::dump	(	raw_ostream &	OS,
		const DWARFUnit *	U
	)		const

Definition at line 362 of file DWARFFormValue.cpp.

References llvm::format(), llvm::DWARFUnit::getAddrOffsetSectionItem(), llvm::DWARFUnit::getOffset(), llvm::DWARFUnit::getStringOffsetSection(), llvm::DWARFUnit::getStringSection(), llvm::Optional< T >::getValue(), llvm::Optional< T >::hasValue(), and llvm::raw_ostream::write_escaped().

Referenced by llvm::DWARFDebugInfoEntryMinimal::dumpAttribute().

bool DWARFFormValue::extractValue	(	DataExtractor	data,
		uint32_t *	offset_ptr,
		const DWARFUnit *	u
	)

Definition at line 130 of file DWARFFormValue.cpp.

References llvm::StringRef::data(), llvm::StringRef::empty(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT >::end(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT >::find(), llvm::DWARFUnit::getAddressByteSize(), llvm::DataExtractor::getCStr(), llvm::DataExtractor::getData(), llvm::DWARFUnit::getRelocMap(), llvm::DataExtractor::getSLEB128(), llvm::DataExtractor::getU16(), llvm::DataExtractor::getU32(), llvm::DataExtractor::getU64(), llvm::DataExtractor::getU8(), llvm::DataExtractor::getULEB128(), llvm::DataExtractor::getUnsigned(), llvm::DWARFUnit::getVersion(), and llvm::StringRef::substr().

Referenced by llvm::DWARFDebugInfoEntryMinimal::dumpAttribute(), and llvm::DWARFDebugInfoEntryMinimal::getAttributeValue().

Optional< uint64_t > DWARFFormValue::getAsAddress

(

const DWARFUnit *

U

)

const

Definition at line 506 of file DWARFFormValue.cpp.

References llvm::DWARFUnit::getAddrOffsetSectionItem(), and llvm::None.

Referenced by llvm::DWARFDebugInfoEntryMinimal::getAttributeValueAsAddress().

Optional< const char * > DWARFFormValue::getAsCString

(

const DWARFUnit *

U

)

const

Definition at line 486 of file DWARFFormValue.cpp.

References llvm::DataExtractor::getCStr(), llvm::DWARFUnit::getStringExtractor(), llvm::DWARFUnit::getStringOffsetSectionItem(), and llvm::None.

Referenced by llvm::DWARFDebugInfoEntryMinimal::getAttributeValueAsString().

Optional< uint64_t > DWARFFormValue::getAsReference

(

const DWARFUnit *

U

)

const

getAsFoo functions below return the extracted value as Foo if only DWARFFormValue has form class is suitable for representing Foo.

Definition at line 519 of file DWARFFormValue.cpp.

References llvm::DWARFUnit::getOffset(), and llvm::None.

Referenced by llvm::DWARFDebugInfoEntryMinimal::getAttributeValueAsReference().

Optional< uint64_t > DWARFFormValue::getAsSectionOffset

(

)

const

Definition at line 539 of file DWARFFormValue.cpp.

References llvm::None.

Referenced by llvm::DWARFDebugInfoEntryMinimal::getAttributeValueAsSectionOffset().

Optional< uint64_t > DWARFFormValue::getAsUnsignedConstant

(

)

const

Definition at line 545 of file DWARFFormValue.cpp.

References llvm::None.

Referenced by llvm::DWARFDebugInfoEntryMinimal::getAttributeValueAsUnsignedConstant().

ArrayRef< uint8_t > DWARFFormValue::getFixedFormSizes ( uint8_t  AddrSize, uint16_t  Version  )

static

Definition at line 63 of file DWARFFormValue.cpp.

References llvm::None.

Referenced by llvm::DWARFDebugInfoEntryMinimal::extractFast().

uint16_t llvm::DWARFFormValue::getForm ( ) const

inline

Definition at line 56 of file DWARFFormValue.h.

bool DWARFFormValue::isFormClass

(

DWARFFormValue::FormClass

FC

)

const

Definition at line 108 of file DWARFFormValue.cpp.

References DWARF4FormClasses.

bool llvm::DWARFFormValue::isInlinedCStr ( ) const

inline

Definition at line 62 of file DWARFFormValue.h.

bool DWARFFormValue::skipValue	(	DataExtractor	debug_info_data,
		uint32_t *	offset_ptr,
		const DWARFUnit *	u
	)		const

Definition at line 255 of file DWARFFormValue.cpp.

Referenced by llvm::DWARFDebugInfoEntryMinimal::extractFast(), and llvm::DWARFDebugInfoEntryMinimal::getAttributeValue().

bool DWARFFormValue::skipValue ( uint16_t  form, DataExtractor  debug_info_data, uint32_t *  offset_ptr, const DWARFUnit *  u  )

static

Definition at line 261 of file DWARFFormValue.cpp.

References llvm::DWARFUnit::getAddressByteSize(), llvm::DataExtractor::getCStr(), llvm::DataExtractor::getU16(), llvm::DataExtractor::getU32(), llvm::DataExtractor::getU8(), llvm::DataExtractor::getULEB128(), and llvm::DWARFUnit::getVersion().

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The documentation for this class was generated from the following files:

• DWARFFormValue.h
• DWARFFormValue.cpp