llvm::DWARFDebugAddrTable Class Reference

A class representing an address table as specified in DWARF v5. More...

#include "llvm/DebugInfo/DWARF/DWARFDebugAddr.h"

Classes
struct	Header

Public Member Functions
void	clear ()
Error	extract (DWARFDataExtractor Data, uint64_t *OffsetPtr, uint16_t Version, uint8_t AddrSize, std::function< void(Error)> WarnCallback)
	Extract an entire table, including all addresses. More...
uint64_t	getHeaderOffset () const
uint8_t	getAddrSize () const
void	dump (raw_ostream &OS, DIDumpOptions DumpOpts={}) const
Expected< uint64_t >	getAddrEntry (uint32_t Index) const
	Return the address based on a given index. More...
uint8_t	getHeaderSize () const
	Return the size of the table header including the length but not including the addresses. More...
uint32_t	getLength () const
	Returns the length of this table, including the length field, or 0 if the length has not been determined (e.g. More...
bool	hasValidLength () const
	Verify that the given length is valid for this table. More...
void	invalidateLength ()
	Invalidate Length field to stop further processing. More...
uint32_t	getDataSize () const
	Returns the length of the array of addresses. More...

Detailed Description

A class representing an address table as specified in DWARF v5.

The table consists of a header followed by an array of address values from .debug_addr section.

Definition at line 29 of file DWARFDebugAddr.h.

Member Function Documentation

clear()

void DWARFDebugAddrTable::clear

(

)

Definition at line 15 of file DWARFDebugAddr.cpp.

References invalidateLength().

Referenced by extract().

dump()

void DWARFDebugAddrTable::dump	(	raw_ostream &	OS,
		DIDumpOptions	DumpOpts = {}
	)		const

Definition at line 141 of file DWARFDebugAddr.cpp.

References llvm::DWARFDebugAddrTable::Header::AddrSize, llvm::format(), llvm::DWARFDebugAddrTable::Header::Length, llvm::DWARFDebugAddrTable::Header::SegSize, llvm::DIDumpOptions::Verbose, and llvm::DWARFDebugAddrTable::Header::Version.

Referenced by getAddrSize().

extract()

Error DWARFDebugAddrTable::extract	(	DWARFDataExtractor	Data,
		uint64_t *	OffsetPtr,
		uint16_t	Version,
		uint8_t	AddrSize,
		std::function< void(Error)>	WarnCallback
	)

Extract an entire table, including all addresses.

Definition at line 21 of file DWARFDebugAddr.cpp.

References clear(), llvm::createStringError(), llvm::dwarf::DW_LENGTH_DWARF64, llvm::dwarf::DWARF32, getLength(), llvm::DataExtractor::getU32(), llvm::invalid_argument, invalidateLength(), llvm::DataExtractor::isValidOffsetForDataOfSize(), llvm::DWARFDebugAddrTable::Header::Length, llvm::not_supported, and llvm::IndexedInstrProf::Version.

getAddrEntry()

Expected< uint64_t > DWARFDebugAddrTable::getAddrEntry

(

uint32_t

Index

)

const

Return the address based on a given index.

Definition at line 160 of file DWARFDebugAddr.cpp.

References llvm::createStringError(), and llvm::invalid_argument.

Referenced by getAddrSize().

getAddrSize()

uint8_t llvm::DWARFDebugAddrTable::getAddrSize ( ) const

inline

Definition at line 62 of file DWARFDebugAddr.h.

References llvm::DWARFDebugAddrTable::Header::AddrSize, dump(), and getAddrEntry().

getDataSize()

uint32_t DWARFDebugAddrTable::getDataSize

(

)

const

Returns the length of the array of addresses.

Definition at line 176 of file DWARFDebugAddr.cpp.

References getHeaderSize(), and getLength().

Referenced by invalidateLength().

getHeaderOffset()

uint64_t llvm::DWARFDebugAddrTable::getHeaderOffset ( ) const

inline

Definition at line 61 of file DWARFDebugAddr.h.

getHeaderSize()

uint8_t llvm::DWARFDebugAddrTable::getHeaderSize ( ) const

inline

Return the size of the table header including the length but not including the addresses.

Definition at line 70 of file DWARFDebugAddr.h.

References llvm::dwarf::DWARF32, llvm::dwarf::DWARF64, getLength(), and llvm_unreachable.

Referenced by getDataSize().

getLength()

uint32_t DWARFDebugAddrTable::getLength

(

)

const

Returns the length of this table, including the length field, or 0 if the length has not been determined (e.g.

because the table has not yet been parsed, or there was a problem in parsing).

Definition at line 169 of file DWARFDebugAddr.cpp.

References llvm::DWARFDebugAddrTable::Header::Length.

Referenced by extract(), getDataSize(), getHeaderSize(), and hasValidLength().

hasValidLength()

bool llvm::DWARFDebugAddrTable::hasValidLength ( ) const

inline

Verify that the given length is valid for this table.

Definition at line 86 of file DWARFDebugAddr.h.

References getLength().

invalidateLength()

void llvm::DWARFDebugAddrTable::invalidateLength ( )

inline

Invalidate Length field to stop further processing.

Definition at line 89 of file DWARFDebugAddr.h.

References getDataSize(), and llvm::DWARFDebugAddrTable::Header::Length.

Referenced by clear(), and extract().

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

• include/llvm/DebugInfo/DWARF/DWARFDebugAddr.h
• lib/DebugInfo/DWARF/DWARFDebugAddr.cpp