#include "llvm/DWP/DWP.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Twine.h"
#include "llvm/BinaryFormat/ELF.h"
#include "llvm/DWP/DWPError.h"
#include "llvm/DWP/ELFWriter.h"
#include "llvm/Object/Decompressor.h"
#include "llvm/Object/ELFObjectFile.h"
#include "llvm/Support/EndianStream.h"
#include "llvm/Support/LEB128.h"
#include "llvm/Support/MathExtras.h"
#include <limits>

Namespaces
namespace	llvm
	This is an optimization pass for GlobalISel generic memory operations.

Enumerations
enum	llvm::AccessField { llvm::Offset , llvm::Length }

Functions
static uint64_t	debugStrOffsetsHeaderSize (DataExtractor StrOffsetsData, uint16_t DwarfVersion)
static uint64_t	getCUAbbrev (StringRef Abbrev, uint64_t AbbrCode)
static Expected< const char * >	getIndexedString (dwarf::Form Form, DataExtractor InfoData, uint64_t &InfoOffset, StringRef StrOffsets, StringRef Str, uint16_t Version)
static Expected< CompileUnitIdentifiers >	getCUIdentifiers (InfoSectionUnitHeader &Header, StringRef Abbrev, StringRef Info, StringRef StrOffsets, StringRef Str)
static bool	isSupportedSectionKind (DWARFSectionKind Kind)
static unsigned	getContributionIndex (DWARFSectionKind Kind, uint32_t IndexVersion)
static unsigned	getOnDiskSectionId (unsigned Index)
static StringRef	getSubsection (StringRef Section, const DWARFUnitIndex::Entry &Entry, DWARFSectionKind Kind)
static Error	sectionOverflowErrorOrWarning (uint32_t PrevOffset, uint32_t OverflowedOffset, StringRef SectionName, OnCuIndexOverflow OverflowOptValue, bool &AnySectionOverflow)
static Error	addAllTypesFromDWP (DWPWriter &Out, MapVector< uint64_t, UnitIndexEntry > &TypeIndexEntries, const DWARFUnitIndex &TUIndex, DWPSectionId OutputSection, StringRef Types, const UnitIndexEntry &TUEntry, uint32_t &TypesOffset, unsigned TypesContributionIndex, OnCuIndexOverflow OverflowOptValue, bool &AnySectionOverflow)
static Error	addAllTypesFromTypesSection (DWPWriter &Out, MapVector< uint64_t, UnitIndexEntry > &TypeIndexEntries, DWPSectionId OutputSection, const std::vector< StringRef > &TypesSections, const UnitIndexEntry &CUEntry, uint32_t &TypesOffset, OnCuIndexOverflow OverflowOptValue, bool &AnySectionOverflow)
static std::string	buildDWODescription (StringRef Name, StringRef DWPName, StringRef DWOName)
static Error	createError (StringRef Name, Error E)
static Error	handleCompressedSection (std::deque< SmallString< 32 > > &UncompressedSections, SectionRef Sec, StringRef Name, StringRef &Contents)
static Error	buildDuplicateError (const std::pair< uint64_t, UnitIndexEntry > &PrevE, const CompileUnitIdentifiers &ID, StringRef DWPName)
static void	writeNewOffsetsTo (DWPWriter &Out, DataExtractor &Data, DenseMap< uint64_t, uint64_t > &OffsetRemapping, uint64_t &Offset, const uint64_t Size, uint32_t OldOffsetSize, uint32_t NewOffsetSize)
LLVM_ABI Expected< InfoSectionUnitHeader >	llvm::parseInfoSectionUnitHeader (StringRef Info)
static void	llvm::writeStringsAndOffsets (DWPWriter &Out, DWPStringPool &Strings, StringRef CurStrSection, StringRef CurStrOffsetSection, uint16_t Version, SectionLengths &SectionLength, const Dwarf64StrOffsetsPromotion StrOffsetsOptValue, bool SingleInput)
static void	llvm::writeIndexTable (DWPWriter &Out, ArrayRef< unsigned > ContributionOffsets, const MapVector< uint64_t, UnitIndexEntry > &IndexEntries, const AccessField &Field)
static void	llvm::writeIndex (DWPWriter &Out, DWPSectionId Section, ArrayRef< unsigned > ContributionOffsets, const MapVector< uint64_t, UnitIndexEntry > &IndexEntries, uint32_t IndexVersion)
static const StringMap< std::pair< DWPSectionId, DWARFSectionKind > > &	llvm::getKnownSections ()
	Map input ELF section names to DWP section IDs and DWARF section kinds.
static Error	llvm::handleSection (const StringMap< std::pair< DWPSectionId, DWARFSectionKind > > &KnownSections, const SectionRef &Section, DWPWriter &Out, std::deque< SmallString< 32 > > &UncompressedSections, uint32_t(&ContributionOffsets)[8], UnitIndexEntry &CurEntry, StringRef &CurStrSection, StringRef &CurStrOffsetSection, std::vector< StringRef > &CurTypesSection, std::vector< StringRef > &CurInfoSection, StringRef &AbbrevSection, StringRef &CurCUIndexSection, StringRef &CurTUIndexSection, SectionLengths &SectionLength)
LLVM_ABI Error	llvm::write (DWPWriter &Out, ArrayRef< std::string > Inputs, OnCuIndexOverflow OverflowOptValue, Dwarf64StrOffsetsPromotion StrOffsetsOptValue, raw_pwrite_stream *OS=nullptr)

Function Documentation

◆ addAllTypesFromDWP()

Error addAllTypesFromDWP	(	DWPWriter &	Out,
		MapVector< uint64_t, UnitIndexEntry > &	TypeIndexEntries,
		const DWARFUnitIndex &	TUIndex,
		DWPSectionId	OutputSection,
		StringRef	Types,
		const UnitIndexEntry &	TUEntry,
		uint32_t &	TypesOffset,
		unsigned	TypesContributionIndex,
		OnCuIndexOverflow	OverflowOptValue,
		bool &	AnySectionOverflow )

static

Definition at line 204 of file DWP.cpp.

References llvm::CallingConv::C, llvm::UnitIndexEntry::Contributions, E(), llvm::DWPWriter::emitBytes(), llvm::DWARFUnitIndex::getColumnKinds(), getContributionIndex(), llvm::DWARFUnitIndex::Entry::SectionContribution::getOffset(), llvm::DWARFUnitIndex::getRows(), llvm::DWARFUnitIndex::getVersion(), I, llvm::MapVector< KeyT, ValueT, MapType, VectorType >::insert(), isSupportedSectionKind(), P, sectionOverflowErrorOrWarning(), llvm::Error::success(), and llvm::DWPWriter::switchSection().

Referenced by llvm::write().

◆ addAllTypesFromTypesSection()

Error addAllTypesFromTypesSection	(	DWPWriter &	Out,
		MapVector< uint64_t, UnitIndexEntry > &	TypeIndexEntries,
		DWPSectionId	OutputSection,
		const std::vector< StringRef > &	TypesSections,
		const UnitIndexEntry &	CUEntry,
		uint32_t &	TypesOffset,
		OnCuIndexOverflow	OverflowOptValue,
		bool &	AnySectionOverflow )

static

Definition at line 253 of file DWP.cpp.

References llvm::CallingConv::C, llvm::UnitIndexEntry::Contributions, llvm::Data, llvm::DW_SECT_EXT_TYPES, llvm::DWPWriter::emitBytes(), getContributionIndex(), llvm::MapVector< KeyT, ValueT, MapType, VectorType >::insert(), llvm::Offset, P, sectionOverflowErrorOrWarning(), llvm::Error::success(), and llvm::DWPWriter::switchSection().

Referenced by llvm::write().

◆ buildDuplicateError()

Error buildDuplicateError	(	const std::pair< uint64_t, UnitIndexEntry > &	PrevE,
		const CompileUnitIdentifiers &	ID,
		StringRef	DWPName )

static

Definition at line 357 of file DWP.cpp.

References buildDWODescription(), llvm::make_error(), and llvm::utohexstr().

Referenced by llvm::write().

◆ buildDWODescription()

std::string buildDWODescription	(	StringRef	Name,
		StringRef	DWPName,
		StringRef	DWOName )

static

Definition at line 300 of file DWP.cpp.

References llvm::StringRef::empty().

Referenced by buildDuplicateError().

◆ createError()

Error createError	(	StringRef	Name,
		Error	E )

static

Definition at line 326 of file DWP.cpp.

References E(), llvm::make_error(), and llvm::toString().

◆ debugStrOffsetsHeaderSize()

uint64_t debugStrOffsetsHeaderSize	(	DataExtractor	StrOffsetsData,
		uint16_t	DwarfVersion )

static

Definition at line 31 of file DWP.cpp.

References llvm::dwarf::DW_LENGTH_DWARF64, llvm::DataExtractor::getU32(), llvm::Length, and llvm::Offset.

Referenced by getIndexedString(), and llvm::writeStringsAndOffsets().

◆ getContributionIndex()

unsigned getContributionIndex	(	DWARFSectionKind	Kind,
		uint32_t	IndexVersion )

static

Definition at line 161 of file DWP.cpp.

References assert(), and llvm::serializeSectionKind().

Referenced by addAllTypesFromDWP(), addAllTypesFromTypesSection(), and llvm::write().

◆ getCUAbbrev()

uint64_t getCUAbbrev	(	StringRef	Abbrev,
		uint64_t	AbbrCode )

static

Definition at line 42 of file DWP.cpp.

References llvm::DataExtractor::getU8(), llvm::DataExtractor::getULEB128(), and llvm::Offset.

Referenced by getCUIdentifiers().

◆ getCUIdentifiers()

Expected< CompileUnitIdentifiers > getCUIdentifiers	(	InfoSectionUnitHeader &	Header,
		StringRef	Abbrev,
		StringRef	Info,
		StringRef	StrOffsets,
		StringRef	Str )

static

Definition at line 96 of file DWP.cpp.

References getCUAbbrev(), getIndexedString(), llvm::DataExtractor::getU64(), llvm::DataExtractor::getU8(), llvm::DataExtractor::getULEB128(), llvm::make_error(), llvm::Offset, llvm::DWARFFormValue::skipValue(), llvm::Expected< T >::takeError(), and llvm::utostr().

Referenced by llvm::write().

◆ getIndexedString()

Expected< const char * > getIndexedString	(	dwarf::Form	Form,
		DataExtractor	InfoData,
		uint64_t &	InfoOffset,
		StringRef	StrOffsets,
		StringRef	Str,
		uint16_t	Version )

static

Definition at line 58 of file DWP.cpp.

References debugStrOffsetsHeaderSize(), llvm::DataExtractor::getCStr(), llvm::DataExtractor::getU16(), llvm::DataExtractor::getU24(), llvm::DataExtractor::getU32(), llvm::DataExtractor::getU8(), llvm::DataExtractor::getULEB128(), and llvm::make_error().

Referenced by getCUIdentifiers().

◆ getOnDiskSectionId()

unsigned getOnDiskSectionId ( unsigned Index )

static

Definition at line 169 of file DWP.cpp.

Referenced by llvm::writeIndex().

◆ getSubsection()

StringRef getSubsection	(	StringRef	Section,
		const DWARFUnitIndex::Entry &	Entry,
		DWARFSectionKind	Kind )

static

Definition at line 173 of file DWP.cpp.

Referenced by llvm::write().

◆ handleCompressedSection()

Error handleCompressedSection	(	std::deque< SmallString< 32 > > &	UncompressedSections,
		SectionRef	Sec,
		StringRef	Name,
		StringRef &	Contents )

static

Definition at line 334 of file DWP.cpp.

References llvm::StringRef::back(), llvm::object::Decompressor::create(), llvm::object::createError(), llvm::dyn_cast(), E(), getFlags(), llvm::object::SectionRef::getObject(), llvm::isa(), llvm::ELF::SHF_COMPRESSED, llvm::Error::success(), and llvm::Expected< T >::takeError().

Referenced by llvm::handleSection().

◆ isSupportedSectionKind()

bool isSupportedSectionKind ( DWARFSectionKind Kind )

static

Definition at line 155 of file DWP.cpp.

References llvm::DW_SECT_EXT_unknown.

Referenced by addAllTypesFromDWP(), and llvm::write().

◆ sectionOverflowErrorOrWarning()

Error sectionOverflowErrorOrWarning	(	uint32_t	PrevOffset,
		uint32_t	OverflowedOffset,
		StringRef	SectionName,
		OnCuIndexOverflow	OverflowOptValue,
		bool &	AnySectionOverflow )

static

Definition at line 182 of file DWP.cpp.

References llvm::Continue, llvm::WithColor::defaultWarningHandler(), llvm::make_error(), llvm::SoftStop, and llvm::Error::success().

Referenced by addAllTypesFromDWP(), addAllTypesFromTypesSection(), and llvm::write().

◆ writeNewOffsetsTo()

void writeNewOffsetsTo	(	DWPWriter &	Out,
		DataExtractor &	Data,
		DenseMap< uint64_t, uint64_t > &	OffsetRemapping,
		uint64_t &	Offset,
		const uint64_t	Size,
		uint32_t	OldOffsetSize,
		uint32_t	NewOffsetSize )

static

Definition at line 368 of file DWP.cpp.

References llvm::Data, llvm::DWPWriter::emitIntValue(), llvm::Offset, Size, and UINT64_MAX.

Referenced by llvm::writeStringsAndOffsets().

Namespaces

Enumerations

Functions

Function Documentation

◆ addAllTypesFromDWP()

◆ addAllTypesFromTypesSection()

◆ buildDuplicateError()

◆ buildDWODescription()

◆ createError()

◆ debugStrOffsetsHeaderSize()

◆ getContributionIndex()

◆ getCUAbbrev()

◆ getCUIdentifiers()

◆ getIndexedString()

◆ getOnDiskSectionId()

◆ getSubsection()

◆ handleCompressedSection()

◆ isSupportedSectionKind()

◆ sectionOverflowErrorOrWarning()

◆ writeNewOffsetsTo()