DWARFDebugLine.cpp File Reference

#include "llvm/DebugInfo/DWARF/DWARFDebugLine.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/BinaryFormat/Dwarf.h"
#include "llvm/DebugInfo/DWARF/DWARFDataExtractor.h"
#include "llvm/DebugInfo/DWARF/DWARFDie.h"
#include "llvm/DebugInfo/DWARF/DWARFFormValue.h"
#include "llvm/Support/Errc.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/FormatVariadic.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cassert>
#include <cinttypes>
#include <cstdint>
#include <cstdio>
#include <utility>

Go to the source code of this file.

Typedefs
using	FileLineInfoKind = DILineInfoSpecifier::FileLineInfoKind

Functions
static bool	versionIsSupported (uint16_t Version)
static Error	parseV2DirFileTables (const DWARFDataExtractor &DebugLineData, uint64_t *OffsetPtr, DWARFDebugLine::ContentTypeTracker &ContentTypes, std::vector< DWARFFormValue > &IncludeDirectories, std::vector< DWARFDebugLine::FileNameEntry > &FileNames)
static llvm::Expected< ContentDescriptors >	parseV5EntryFormat (const DWARFDataExtractor &DebugLineData, uint64_t *OffsetPtr, DWARFDebugLine::ContentTypeTracker *ContentTypes)
static Error	parseV5DirFileTables (const DWARFDataExtractor &DebugLineData, uint64_t *OffsetPtr, const dwarf::FormParams &FormParams, const DWARFContext &Ctx, const DWARFUnit *U, DWARFDebugLine::ContentTypeTracker &ContentTypes, std::vector< DWARFFormValue > &IncludeDirectories, std::vector< DWARFDebugLine::FileNameEntry > &FileNames)
static StringRef	getOpcodeName (uint8_t Opcode, uint8_t OpcodeBase)
template<typename T >
static std::optional< T >	parseULEB128 (DWARFDataExtractor &Data, DataExtractor::Cursor &Cursor)
	Parse a ULEB128 using the specified Cursor.
static bool	isPathAbsoluteOnWindowsOrPosix (const Twine &Path)
static DWARFDebugLine::SectionParser::LineToUnitMap	buildLineToUnitMap (DWARFUnitVector::iterator_range Units)

Typedef Documentation

FileLineInfoKind

using FileLineInfoKind = DILineInfoSpecifier::FileLineInfoKind

Definition at line 31 of file DWARFDebugLine.cpp.

Function Documentation

buildLineToUnitMap()

static DWARFDebugLine::SectionParser::LineToUnitMap buildLineToUnitMap ( DWARFUnitVector::iterator_range  Units )

static

Definition at line 1543 of file DWARFDebugLine.cpp.

References llvm::dwarf::toSectionOffset().

Referenced by llvm::DWARFDebugLine::SectionParser::SectionParser().

getOpcodeName()

static StringRef getOpcodeName ( uint8_t  Opcode, uint8_t  OpcodeBase  )

static

Definition at line 627 of file DWARFDebugLine.cpp.

References assert(), and llvm::dwarf::LNStandardString().

isPathAbsoluteOnWindowsOrPosix()

static bool isPathAbsoluteOnWindowsOrPosix ( const Twine &  Path )

static

Definition at line 1440 of file DWARFDebugLine.cpp.

References llvm::sys::path::is_absolute(), llvm::sys::path::posix, and llvm::sys::path::windows.

parseULEB128()

template<typename T >

static std::optional< T > parseULEB128 ( DWARFDataExtractor &  Data, DataExtractor::Cursor &  Cursor  )

static

Parse a ULEB128 using the specified Cursor.

Returns

the parsed value on success, or std::nullopt if Cursor is in a failing state.

Definition at line 781 of file DWARFDebugLine.cpp.

References llvm::Data.

parseV2DirFileTables()

static Error parseV2DirFileTables ( const DWARFDataExtractor &  DebugLineData, uint64_t *  OffsetPtr, DWARFDebugLine::ContentTypeTracker &  ContentTypes, std::vector< DWARFFormValue > &  IncludeDirectories, std::vector< DWARFDebugLine::FileNameEntry > &  FileNames  )

static

Definition at line 187 of file DWARFDebugLine.cpp.

References llvm::consumeError(), llvm::DWARFFormValue::createFromPValue(), llvm::createStringError(), llvm::StringRef::data(), llvm::DWARFDebugLine::FileNameEntry::DirIdx, llvm::StringRef::empty(), llvm::DataExtractor::getCStrRef(), llvm::DataExtractor::getULEB128(), llvm::DWARFDebugLine::ContentTypeTracker::HasLength, llvm::DWARFDebugLine::ContentTypeTracker::HasModTime, llvm::invalid_argument, llvm::DWARFDebugLine::FileNameEntry::Length, llvm::DWARFDebugLine::FileNameEntry::ModTime, llvm::DWARFDebugLine::FileNameEntry::Name, Name, and llvm::Error::success().

Referenced by llvm::DWARFDebugLine::Prologue::parse().

parseV5DirFileTables()

static Error parseV5DirFileTables ( const DWARFDataExtractor &  DebugLineData, uint64_t *  OffsetPtr, const dwarf::FormParams &  FormParams, const DWARFContext &  Ctx, const DWARFUnit *  U, DWARFDebugLine::ContentTypeTracker &  ContentTypes, std::vector< DWARFFormValue > &  IncludeDirectories, std::vector< DWARFDebugLine::FileNameEntry > &  FileNames  )

static

Definition at line 272 of file DWARFDebugLine.cpp.

References llvm::DWARFDebugLine::FileNameEntry::Checksum, llvm::createStringError(), llvm::DWARFDebugLine::FileNameEntry::DirIdx, llvm::DataExtractor::getULEB128(), I, llvm::invalid_argument, llvm::DWARFDebugLine::FileNameEntry::Length, llvm::DWARFDebugLine::FileNameEntry::ModTime, llvm::DWARFDebugLine::FileNameEntry::Name, parseV5EntryFormat(), llvm::DWARFDebugLine::FileNameEntry::Source, llvm::Error::success(), and llvm::Expected< T >::takeError().

Referenced by llvm::DWARFDebugLine::Prologue::parse().

parseV5EntryFormat()

static llvm::Expected< ContentDescriptors > parseV5EntryFormat ( const DWARFDataExtractor &  DebugLineData, uint64_t *  OffsetPtr, DWARFDebugLine::ContentTypeTracker *  ContentTypes  )

static

Definition at line 241 of file DWARFDebugLine.cpp.

References llvm::c_str(), llvm::createStringError(), llvm::DataExtractor::getU8(), llvm::DataExtractor::getULEB128(), I, llvm::invalid_argument, llvm::Error::success(), llvm::toString(), and llvm::DWARFDebugLine::ContentTypeTracker::trackContentType().

Referenced by parseV5DirFileTables().

versionIsSupported()

static bool versionIsSupported ( uint16_t  Version )

static

Definition at line 44 of file DWARFDebugLine.cpp.

Referenced by llvm::DWARFDebugLine::Prologue::dump(), and llvm::DWARFDebugLine::Prologue::parse().