#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/Object/Decompressor.h"
#include "llvm/Object/MachO.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Object/RelocVisitor.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/DataExtractor.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/WithColor.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	dumpDWARFv5StringOffsetsSection (raw_ostream &OS, StringRef SectionName, const DWARFObject &Obj, const DWARFSection &StringOffsetsSection, StringRef StringSection, DWARFContext::unit_iterator_range Units, bool LittleEndian)

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

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< SectionedAddress >(uint32_t)> LookupPooledAddress, DIDumpOptions DumpOpts)

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

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, std::string &FunctionName, uint32_t &StartLine)

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 62 of file DWARFContext.cpp.

Typedef Documentation

◆ ContributionCollection

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

Definition at line 97 of file DWARFContext.cpp.

◆ DWARFLineTable

using DWARFLineTable = DWARFDebugLine::LineTable

Definition at line 64 of file DWARFContext.cpp.

◆ FileLineInfoKind

using FileLineInfoKind = DILineInfoSpecifier::FileLineInfoKind

Definition at line 65 of file DWARFContext.cpp.

◆ FunctionNameKind

using FunctionNameKind = DILineInfoSpecifier::FunctionNameKind

Definition at line 66 of file DWARFContext.cpp.

Function Documentation

◆ collectContributionData()

static ContributionCollection collectContributionData ( DWARFContext::unit_iterator_range Units )

static

Definition at line 102 of file DWARFContext.cpp.

References llvm::StrOffsetsContributionDescriptor::Base, llvm::Optional< T >::hasValue(), llvm::StrOffsetsContributionDescriptor::Size, and llvm::sort().

Referenced by dumpDWARFv5StringOffsetsSection().

◆ createError()

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

static

Definition at line 1148 of file DWARFContext.cpp.

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

Referenced by getSymbolInfo().

◆ dumpAddrSection()

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

static

Definition at line 249 of file DWARFContext.cpp.

References llvm::DataExtractor::isValidOffset().

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

◆ dumpDWARFv5StringOffsetsSection()

static void dumpDWARFv5StringOffsetsSection	(	raw_ostream &	OS,
		StringRef	SectionName,
		const DWARFObject &	Obj,
		const DWARFSection &	StringOffsetsSection,
		StringRef	StringSection,
		DWARFContext::unit_iterator_range	Units,
		bool	LittleEndian
	)

static

Definition at line 132 of file DWARFContext.cpp.

References collectContributionData(), llvm::DWARFSection::Data, llvm::dwarf::DWARF32, llvm::Format, llvm::format(), llvm::DataExtractor::getCStr(), llvm::DWARFDataExtractor::getRelocatedValue(), llvm::max(), llvm::COFF::SectionSize, llvm::StringRef::size(), and llvm::IndexedInstrProf::Version.

Referenced by dumpStringOffsetsSection().

◆ dumpLoclistsSection()

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

static

Definition at line 295 of file DWARFContext.cpp.

References llvm::StringRef::drop_front(), llvm::DWARFDebugLoclists::dump(), llvm::DWARFListTableHeader::dump(), E, llvm::WithColor::error(), llvm::DWARFListTableHeader::extract(), llvm::DWARFListTableHeader::getAddrSize(), llvm::DataExtractor::getData(), llvm::DWARFListTableHeader::getVersion(), llvm::DataExtractor::isLittleEndian(), llvm::DWARFDebugLoclists::parse(), and llvm::toString().

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

◆ dumpRnglistsSection()

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

static

Definition at line 273 of file DWARFContext.cpp.

References llvm::DataExtractor::isValidOffset().

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

◆ dumpStringOffsetsSection()

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

static

Definition at line 213 of file DWARFContext.cpp.

References llvm::DWARFSection::Data, dumpDWARFv5StringOffsetsSection(), llvm::format(), llvm::DataExtractor::getCStr(), llvm::DataExtractor::getU32(), llvm::StringRef::size(), and llvm::size().

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

◆ dumpUUID()

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

static

Dump the UUID load command.

Definition at line 75 of file DWARFContext.cpp.

References llvm::dyn_cast(), llvm::Triple::getArchName(), llvm::Intrinsic::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 797 of file DWARFContext.cpp.

References llvm::consumeError(), E, and T.

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

◆ getFunctionNameAndStartLineForAddress()

static bool getFunctionNameAndStartLineForAddress	(	DWARFCompileUnit *	CU,
		uint64_t	Address,
		FunctionNameKind	Kind,
		std::string &	FunctionName,
		uint32_t &	StartLine
	)

static

Definition at line 942 of file DWARFContext.cpp.

References llvm::SmallVectorBase::empty(), llvm::DWARFDie::getDeclLine(), llvm::DWARFUnit::getInlinedChainForAddress(), llvm::DWARFDie::getSubroutineName(), Name, and llvm::None.

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 1162 of file DWARFContext.cpp.

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

◆ isRelocScattered()

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

static

Definition at line 1217 of file DWARFContext.cpp.

References llvm::dyn_cast().

Classes

Macros

Typedefs

Functions

Macro Definition Documentation

◆ DEBUG_TYPE

Typedef Documentation

◆ ContributionCollection

◆ DWARFLineTable

◆ FileLineInfoKind

◆ FunctionNameKind

Function Documentation

◆ collectContributionData()

◆ createError()

◆ dumpAddrSection()

◆ dumpDWARFv5StringOffsetsSection()

◆ dumpLoclistsSection()

◆ dumpRnglistsSection()

◆ dumpStringOffsetsSection()

◆ dumpUUID()

◆ getAccelTable()

◆ getFunctionNameAndStartLineForAddress()

◆ getSymbolInfo()

◆ isRelocScattered()