CoverageMappingReader.cpp File Reference

#include "llvm/ProfileData/Coverage/CoverageMappingReader.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Object/Binary.h"
#include "llvm/Object/Error.h"
#include "llvm/Object/MachOUniversal.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/ProfileData/InstrProf.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Endian.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/LEB128.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/raw_ostream.h"
#include <vector>

Include dependency graph for CoverageMappingReader.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "coverage-mapping"

Functions
static Expected< bool >	isCoverageMappingDummy (uint64_t Hash, StringRef Mapping)
template<typename T , support::endianness Endian>
static Error	readCoverageMappingData (InstrProfSymtab &ProfileNames, StringRef Data, std::vector< BinaryCoverageReader::ProfileMappingRecord > &Records, std::vector< StringRef > &Filenames)
static Error	loadTestingFormat (StringRef Data, InstrProfSymtab &ProfileNames, StringRef &CoverageMapping, uint8_t &BytesInAddress, support::endianness &Endian)
static Expected< SectionRef >	lookupSection (ObjectFile &OF, StringRef Name)
static Error	loadBinaryFormat (MemoryBufferRef ObjectBuffer, InstrProfSymtab &ProfileNames, StringRef &CoverageMapping, uint8_t &BytesInAddress, support::endianness &Endian, StringRef Arch)

Variables
static const unsigned	EncodingExpansionRegionBit
static const char *	TestingFormatMagic = "llvmcovmtestdata"

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "coverage-mapping"

Definition at line 41 of file CoverageMappingReader.cpp.

Function Documentation

isCoverageMappingDummy()

static Expected<bool> isCoverageMappingDummy ( uint64_t  Hash, StringRef  Mapping  )

static

Definition at line 367 of file CoverageMappingReader.cpp.

References llvm::coverage::RawCoverageMappingDummyChecker::isDummy().

loadBinaryFormat()

static Error loadBinaryFormat ( MemoryBufferRef  ObjectBuffer, InstrProfSymtab &  ProfileNames, StringRef &  CoverageMapping, uint8_t &  BytesInAddress, support::endianness &  Endian, StringRef  Arch  )

static

Definition at line 630 of file CoverageMappingReader.cpp.

References llvm::support::big, llvm::InstrProfSymtab::create(), llvm::object::createBinary(), E, llvm::StringRef::empty(), llvm::errorCodeToError(), llvm::Triple::getArch(), llvm::getInstrProfSectionName(), llvm::support::little, lookupSection(), llvm::coverage::malformed, and llvm::Error::success().

Referenced by llvm::coverage::BinaryCoverageReader::create().

loadTestingFormat()

static Error loadTestingFormat ( StringRef  Data, InstrProfSymtab &  ProfileNames, StringRef &  CoverageMapping, uint8_t &  BytesInAddress, support::endianness &  Endian  )

static

Definition at line 580 of file CoverageMappingReader.cpp.

References llvm::Address, llvm::alignmentAdjustment(), llvm::InstrProfSymtab::create(), llvm::StringRef::data(), llvm::decodeULEB128(), E, llvm::StringRef::empty(), llvm::support::little, llvm::coverage::malformed, N, llvm::StringRef::size(), llvm::size(), llvm::StringRef::substr(), llvm::Error::success(), and llvm::coverage::truncated.

Referenced by llvm::coverage::BinaryCoverageReader::create().

lookupSection()

static Expected<SectionRef> lookupSection ( ObjectFile &  OF, StringRef  Name  )

static

Definition at line 619 of file CoverageMappingReader.cpp.

References llvm::errorCodeToError(), llvm::coverage::no_data_found, and llvm::ARMBuildAttrs::Section.

Referenced by loadBinaryFormat().

readCoverageMappingData()

template<typename T , support::endianness Endian>

static Error readCoverageMappingData ( InstrProfSymtab &  ProfileNames, StringRef  Data, std::vector< BinaryCoverageReader::ProfileMappingRecord > &  Records, std::vector< StringRef > &  Filenames  )

static

Definition at line 551 of file CoverageMappingReader.cpp.

References llvm::coverage::CurrentVersion, llvm::StringRef::data(), E, llvm::coverage::unsupported_version, and llvm::IndexedInstrProf::Version.

Variable Documentation

EncodingExpansionRegionBit

const unsigned EncodingExpansionRegionBit

static

Initial value:

= 1
                                                   << Counter::EncodingTagBits

Definition at line 147 of file CoverageMappingReader.cpp.

TestingFormatMagic

const char* TestingFormatMagic = "llvmcovmtestdata"

static

Definition at line 578 of file CoverageMappingReader.cpp.