#include "llvm/DebugInfo/DWARF/DWARFContext.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/BinaryFormat/Dwarf.h"
#include "llvm/DebugInfo/DWARF/DWARFAcceleratorTable.h"
#include "llvm/DebugInfo/DWARF/DWARFCompileUnit.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugAbbrev.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugAddr.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugArangeSet.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugAranges.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugFrame.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugLine.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugLoc.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugMacro.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugPubTable.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugRangeList.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugRnglists.h"
#include "llvm/DebugInfo/DWARF/DWARFDie.h"
#include "llvm/DebugInfo/DWARF/DWARFFormValue.h"
#include "llvm/DebugInfo/DWARF/DWARFGdbIndex.h"
#include "llvm/DebugInfo/DWARF/DWARFSection.h"
#include "llvm/DebugInfo/DWARF/DWARFUnitIndex.h"
#include "llvm/DebugInfo/DWARF/DWARFVerifier.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Object/Decompressor.h"
#include "llvm/Object/MachO.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Object/RelocationResolver.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/DataExtractor.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/LEB128.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cstdint>
#include <deque>
#include <map>
#include <string>
#include <utility>
#include <vector>

Include dependency graph for DWARFContext.cpp:

Classes
struct	SymInfo
	SymInfo contains information about symbol: it's address and section index which is -1LL for absolute symbols. More...

Macros
#define	DEBUG_TYPE "dwarf"

Typedefs
using	DWARFLineTable = DWARFDebugLine::LineTable

using	FileLineInfoKind = DILineInfoSpecifier::FileLineInfoKind

using	FunctionNameKind = DILineInfoSpecifier::FunctionNameKind

using	ContributionCollection = std::vector< Optional< StrOffsetsContributionDescriptor > >

Functions
static void	dumpUUID (raw_ostream &OS, const ObjectFile &Obj)
	Dump the UUID load command. More...

static ContributionCollection	collectContributionData (DWARFContext::unit_iterator_range Units)

static void	dumpStringOffsetsSection (raw_ostream &OS, DIDumpOptions DumpOpts, StringRef SectionName, const DWARFObject &Obj, const DWARFSection &StringOffsetsSection, StringRef StringSection, DWARFContext::unit_iterator_range Units, bool LittleEndian)

static void	dumpAddrSection (raw_ostream &OS, DWARFDataExtractor &AddrData, DIDumpOptions DumpOpts, uint16_t Version, uint8_t AddrSize)

static void	dumpRnglistsSection (raw_ostream &OS, DWARFDataExtractor &rnglistData, llvm::function_ref< Optional< object::SectionedAddress >(uint32_t)> LookupPooledAddress, DIDumpOptions DumpOpts)

static void	dumpLoclistsSection (raw_ostream &OS, DIDumpOptions DumpOpts, DWARFDataExtractor Data, const MCRegisterInfo *MRI, const DWARFObject &Obj, Optional< uint64_t > DumpOffset)

static void	dumpPubTableSection (raw_ostream &OS, DIDumpOptions DumpOpts, DWARFDataExtractor Data, bool GnuStyle)

template<typename T >
static T &	getAccelTable (std::unique_ptr< T > &Cache, const DWARFObject &Obj, const DWARFSection &Section, StringRef StringSection, bool IsLittleEndian)

static bool	getFunctionNameAndStartLineForAddress (DWARFCompileUnit *CU, uint64_t Address, FunctionNameKind Kind, DILineInfoSpecifier::FileLineInfoKind FileNameKind, std::string &FunctionName, std::string &StartFile, uint32_t &StartLine, Optional< uint64_t > &StartAddress)
	TODO: change input parameter from "uint64_t Address" into "SectionedAddress Address". More...

static Optional< uint64_t >	getTypeSize (DWARFDie Type, uint64_t PointerSize)

static Optional< int64_t >	getExpressionFrameOffset (ArrayRef< uint8_t > Expr, Optional< unsigned > FrameBaseReg)

static Error	createError (const Twine &Reason, llvm::Error E)

static Expected< SymInfo >	getSymbolInfo (const object::ObjectFile &Obj, const RelocationRef &Reloc, const LoadedObjectInfo *L, std::map< SymbolRef, SymInfo > &Cache)
	Returns the address of symbol relocation used against and a section index. More...

static bool	isRelocScattered (const object::ObjectFile &Obj, const RelocationRef &Reloc)

Macro Definition Documentation

◆ DEBUG_TYPE

#define DEBUG_TYPE "dwarf"

Definition at line 61 of file DWARFContext.cpp.

Typedef Documentation

◆ ContributionCollection

using ContributionCollection = std::vector<Optional<StrOffsetsContributionDescriptor> >

Definition at line 100 of file DWARFContext.cpp.

◆ DWARFLineTable

using DWARFLineTable = DWARFDebugLine::LineTable

Definition at line 63 of file DWARFContext.cpp.

◆ FileLineInfoKind

using FileLineInfoKind = DILineInfoSpecifier::FileLineInfoKind

Definition at line 64 of file DWARFContext.cpp.

◆ FunctionNameKind

using FunctionNameKind = DILineInfoSpecifier::FunctionNameKind

Definition at line 65 of file DWARFContext.cpp.

Function Documentation

◆ collectContributionData()

static ContributionCollection collectContributionData ( DWARFContext::unit_iterator_range Units )

static

Definition at line 105 of file DWARFContext.cpp.

References llvm::StrOffsetsContributionDescriptor::Base, llvm::sort(), and llvm::unique().

Referenced by dumpStringOffsetsSection().

◆ createError()

static Error createError	(	const Twine &	Reason,
		llvm::Error	E
	)

static

Definition at line 1450 of file DWARFContext.cpp.

References E, llvm::inconvertibleErrorCode(), move, and llvm::toString().

◆ dumpAddrSection()

static void dumpAddrSection	(	raw_ostream &	OS,
		DWARFDataExtractor &	AddrData,
		DIDumpOptions	DumpOpts,
		uint16_t	Version,
		uint8_t	AddrSize
	)

static

Definition at line 217 of file DWARFContext.cpp.

References llvm::DataExtractor::isValidOffset(), and Offset.

◆ dumpLoclistsSection()

static void dumpLoclistsSection	(	raw_ostream &	OS,
		DIDumpOptions	DumpOpts,
		DWARFDataExtractor	Data,
		const MCRegisterInfo *	MRI,
		const DWARFObject &	Obj,
		Optional< uint64_t >	DumpOffset
	)

static

Definition at line 305 of file DWARFContext.cpp.

References llvm::Data, llvm::DWARFListTableHeader::dump(), llvm::DWARFLocationTable::dumpLocationList(), llvm::DWARFDebugLoclists::dumpRange(), E, llvm::DWARFListTableHeader::extract(), llvm::DWARFListTableHeader::getAddrSize(), llvm::DWARFListTableHeader::getHeaderOffset(), llvm::DWARFListTableHeader::getVersion(), llvm::DWARFListTableHeader::length(), move, MRI, llvm::None, Offset, and llvm::DIDumpOptions::RecoverableErrorHandler.

Referenced by llvm::DWARFContext::dump().

◆ dumpPubTableSection()

static void dumpPubTableSection	(	raw_ostream &	OS,
		DIDumpOptions	DumpOpts,
		DWARFDataExtractor	Data,
		bool	GnuStyle
	)

static

Definition at line 339 of file DWARFContext.cpp.

References llvm::Data, llvm::DWARFDebugPubTable::dump(), llvm::DWARFDebugPubTable::extract(), and llvm::DIDumpOptions::RecoverableErrorHandler.

◆ dumpRnglistsSection()

static void dumpRnglistsSection	(	raw_ostream &	OS,
		DWARFDataExtractor &	rnglistData,
		llvm::function_ref< Optional< object::SectionedAddress >(uint32_t)>	LookupPooledAddress,
		DIDumpOptions	DumpOpts
	)

static

Definition at line 240 of file DWARFContext.cpp.

References llvm::DataExtractor::isValidOffset(), and Offset.

◆ dumpStringOffsetsSection()

static void dumpStringOffsetsSection	(	raw_ostream &	OS,
		DIDumpOptions	DumpOpts,
		StringRef	SectionName,
		const DWARFObject &	Obj,
		const DWARFSection &	StringOffsetsSection,
		StringRef	StringSection,
		DWARFContext::unit_iterator_range	Units,
		bool	LittleEndian
	)

static

Definition at line 144 of file DWARFContext.cpp.

References collectContributionData(), llvm::createStringError(), llvm::DWARFSection::Data, llvm::dwarf::DWARF32, llvm::format(), llvm::dwarf::FormatString(), llvm::DataExtractor::getCStr(), llvm::dwarf::getDwarfOffsetByteSize(), llvm::DWARFDataExtractor::getRelocatedValue(), llvm::invalid_argument, Offset, llvm::DIDumpOptions::RecoverableErrorHandler, S, llvm::COFF::SectionSize, llvm::StringRef::size(), and Version.

◆ dumpUUID()

static void dumpUUID	(	raw_ostream &	OS,
		const ObjectFile &	Obj
	)

static

Dump the UUID load command.

Definition at line 78 of file DWARFContext.cpp.

References memcpy(), and llvm::raw_ostream::write_uuid().

Referenced by llvm::DWARFContext::dump().

◆ getAccelTable()

template<typename T >

static T& getAccelTable	(	std::unique_ptr< T > &	Cache,
		const DWARFObject &	Obj,
		const DWARFSection &	Section,
		StringRef	StringSection,
		bool	IsLittleEndian
	)

static

Definition at line 917 of file DWARFContext.cpp.

References llvm::consumeError(), E, move, and llvm::ARMBuildAttrs::Section.

Referenced by llvm::DWARFContext::getAppleNames(), llvm::DWARFContext::getAppleNamespaces(), llvm::DWARFContext::getAppleObjC(), llvm::DWARFContext::getAppleTypes(), and llvm::DWARFContext::getDebugNames().

◆ getExpressionFrameOffset()

static Optional<int64_t> getExpressionFrameOffset	(	ArrayRef< uint8_t >	Expr,
		Optional< unsigned >	FrameBaseReg
	)

static

Definition at line 1159 of file DWARFContext.cpp.

References llvm::ArrayRef< T >::data(), llvm::decodeSLEB128(), llvm::ArrayRef< T >::empty(), llvm::ArrayRef< T >::end(), llvm::None, Offset, and llvm::ArrayRef< T >::size().

◆ getFunctionNameAndStartLineForAddress()

static bool getFunctionNameAndStartLineForAddress	(	DWARFCompileUnit *	CU,
		uint64_t	Address,
		FunctionNameKind	Kind,
		DILineInfoSpecifier::FileLineInfoKind	FileNameKind,
		std::string &	FunctionName,
		std::string &	StartFile,
		uint32_t &	StartLine,
		Optional< uint64_t > &	StartAddress
	)

static

TODO: change input parameter from "uint64_t Address" into "SectionedAddress Address".

Definition at line 1066 of file DWARFContext.cpp.

References llvm::Address, llvm::None, and llvm::dwarf::toSectionedAddress().

Referenced by llvm::DWARFContext::getLineInfoForAddress(), and llvm::DWARFContext::getLineInfoForAddressRange().

◆ getSymbolInfo()

static Expected<SymInfo> getSymbolInfo	(	const object::ObjectFile &	Obj,
		const RelocationRef &	Reloc,
		const LoadedObjectInfo *	L,
		std::map< SymbolRef, SymInfo > &	Cache
	)

static

Returns the address of symbol relocation used against and a section index.

Used for futher relocations computation. Symbol's section load address is

Definition at line 1464 of file DWARFContext.cpp.

References llvm::createError(), llvm::object::SymbolRef::getAddress(), llvm::object::SymbolRef::getSection(), llvm::LoadedObjectInfo::getSectionLoadAddress(), llvm::MipsISD::Ret, llvm::object::ObjectFile::section_end(), llvm::object::SymbolicFile::symbol_end(), and llvm::Expected< T >::takeError().

◆ getTypeSize()

static Optional<uint64_t> getTypeSize	(	DWARFDie	Type,
		uint64_t	PointerSize
	)

static

Definition at line 1100 of file DWARFContext.cpp.

References llvm::jitlink::x86_64::PointerSize, and llvm::Check::Size.

◆ isRelocScattered()

static bool isRelocScattered	(	const object::ObjectFile &	Obj,
		const RelocationRef &	Reloc
	)

static

Definition at line 1519 of file DWARFContext.cpp.

Classes

Macros

Typedefs

Functions

Macro Definition Documentation

◆ DEBUG_TYPE

Typedef Documentation

◆ ContributionCollection

◆ DWARFLineTable

◆ FileLineInfoKind

◆ FunctionNameKind

Function Documentation

◆ collectContributionData()

◆ createError()

◆ dumpAddrSection()

◆ dumpLoclistsSection()

◆ dumpPubTableSection()

◆ dumpRnglistsSection()

◆ dumpStringOffsetsSection()

◆ dumpUUID()

◆ getAccelTable()

◆ getExpressionFrameOffset()

◆ getFunctionNameAndStartLineForAddress()

◆ getSymbolInfo()

◆ getTypeSize()

◆ isRelocScattered()