ELFEmitter.cpp File Reference

The ELF component of yaml2obj. More...

#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/ADT/StringSet.h"
#include "llvm/BinaryFormat/ELF.h"
#include "llvm/MC/StringTableBuilder.h"
#include "llvm/Object/ELFTypes.h"
#include "llvm/ObjectYAML/DWARFEmitter.h"
#include "llvm/ObjectYAML/DWARFYAML.h"
#include "llvm/ObjectYAML/ELFYAML.h"
#include "llvm/ObjectYAML/yaml2obj.h"
#include "llvm/Support/EndianStream.h"
#include "llvm/Support/Errc.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/LEB128.h"
#include "llvm/Support/WithColor.h"
#include "llvm/Support/YAMLTraits.h"
#include "llvm/Support/raw_ostream.h"
#include <optional>

Go to the source code of this file.

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

Functions
template<class T>
static size_t	arrayDataSize (ArrayRef< T > A)
template<class T>
static void	writeArrayData (raw_ostream &OS, ArrayRef< T > A)
template<class T>
static void	zero (T &Obj)
template<class ELFT>
static void	overrideFields (ELFYAML::Section *From, typename ELFT::Shdr &To)
static uint64_t	writeContent (ContiguousBlobAccumulator &CBA, const std::optional< yaml::BinaryRef > &Content, const std::optional< llvm::yaml::Hex64 > &Size)
static StringRef	getDefaultLinkSec (unsigned SecType)
static size_t	findFirstNonGlobal (ArrayRef< ELFYAML::Symbol > Symbols)
static bool	shouldEmitDWARF (DWARFYAML::Data &DWARF, StringRef Name)
template<class ELFT>
Expected< uint64_t >	emitDWARF (typename ELFT::Shdr &SHeader, StringRef Name, const DWARFYAML::Data &DWARF, ContiguousBlobAccumulator &CBA)
static bool	isMips64EL (const ELFYAML::Object &Obj)
LLVM_ABI bool	llvm::yaml::yaml2elf (ELFYAML::Object &Doc, raw_ostream &Out, ErrorHandler EH, uint64_t MaxSize)

Variables
constexpr char	SuffixStart = '('
constexpr char	SuffixEnd = ')'

Detailed Description

The ELF component of yaml2obj.

Definition in file ELFEmitter.cpp.

Function Documentation

arrayDataSize()

template<class T>

size_t arrayDataSize ( ArrayRef< T > A )

static

Definition at line 336 of file ELFEmitter.cpp.

References A(), and T.

Referenced by writeArrayData().

emitDWARF()

template<class ELFT>

Expected< uint64_t > emitDWARF	(	typename ELFT::Shdr &	SHeader,
		StringRef	Name,
		const DWARFYAML::Data &	DWARF,
		ContiguousBlobAccumulator &	CBA )

Definition at line 1087 of file ELFEmitter.cpp.

References llvm::DWARFYAML::getDWARFEmitterByName().

findFirstNonGlobal()

size_t findFirstNonGlobal ( ArrayRef< ELFYAML::Symbol > Symbols )

static

Definition at line 942 of file ELFEmitter.cpp.

References Binding, I, and llvm::ELF::STB_LOCAL.

getDefaultLinkSec()

StringRef getDefaultLinkSec ( unsigned SecType )

static

Definition at line 742 of file ELFEmitter.cpp.

References llvm::ELF::SHT_DYNSYM, llvm::ELF::SHT_GNU_HASH, llvm::ELF::SHT_GNU_verdef, llvm::ELF::SHT_GNU_verneed, llvm::ELF::SHT_GNU_versym, llvm::ELF::SHT_GROUP, llvm::ELF::SHT_HASH, llvm::ELF::SHT_LLVM_ADDRSIG, llvm::ELF::SHT_LLVM_CALL_GRAPH_PROFILE, llvm::ELF::SHT_REL, llvm::ELF::SHT_RELA, and llvm::ELF::SHT_SYMTAB.

isMips64EL()

bool isMips64EL ( const ELFYAML::Object & Obj )

static

Definition at line 1273 of file ELFEmitter.cpp.

References llvm::ELFYAML::FileHeader::Class, llvm::ELFYAML::FileHeader::Data, llvm::ELF::ELFCLASS64, llvm::ELF::ELFDATA2LSB, llvm::ELF::EM_MIPS, llvm::ELFYAML::Object::getMachine(), and llvm::ELFYAML::Object::Header.

Referenced by llvm::object::ELFFile< ELFT >::getRelocationSymbol(), llvm::object::Elf_Rel_Impl< ELFType< Endianness, false >, false >::getRInfo(), llvm::object::Elf_Rel_Impl< ELFType< Endianness, true >, false >::getRInfo(), llvm::object::Elf_Rel_Impl< ELFType< Endianness, false >, false >::getSymbol(), llvm::object::Elf_Rel_Impl< ELFType< Endianness, true >, false >::getSymbol(), llvm::object::Elf_Rel_Impl< ELFType< Endianness, false >, false >::getType(), and llvm::object::Elf_Rel_Impl< ELFType< Endianness, true >, false >::getType().

overrideFields()

template<class ELFT>

void overrideFields ( ELFYAML::Section * From, typename ELFT::Shdr & To )

static

Definition at line 642 of file ELFEmitter.cpp.

References llvm::ELFYAML::Section::ShAddrAlign, llvm::ELFYAML::Section::ShFlags, llvm::ELFYAML::Section::ShName, llvm::ELFYAML::Section::ShOffset, llvm::ELFYAML::Section::ShSize, and llvm::ELFYAML::Section::ShType.

shouldEmitDWARF()

bool shouldEmitDWARF ( DWARFYAML::Data & DWARF, StringRef Name )

static

Definition at line 1081 of file ELFEmitter.cpp.

References llvm::SetVector< T, Vector, Set, N >::count(), and llvm::DWARFYAML::Data::getNonEmptySectionNames().

writeArrayData()

template<class T>

void writeArrayData ( raw_ostream & OS, ArrayRef< T > A )

static

Definition at line 340 of file ELFEmitter.cpp.

References A(), arrayDataSize(), and llvm::raw_ostream::write().

writeContent()

uint64_t writeContent ( ContiguousBlobAccumulator & CBA, const std::optional< yaml::BinaryRef > & Content, const std::optional< llvm::yaml::Hex64 > & Size )

static

Definition at line 726 of file ELFEmitter.cpp.

References Size.

zero()

template<class T>

void zero ( T & Obj )

static

Definition at line 344 of file ELFEmitter.cpp.

References T.

Variable Documentation

SuffixEnd

char SuffixEnd = ')'

constexpr

Definition at line 694 of file ELFEmitter.cpp.

Referenced by llvm::ELFYAML::appendUniqueSuffix(), llvm::ELFYAML::dropUniqueSuffix(), and parseRD().

SuffixStart

char SuffixStart = '('

constexpr

Definition at line 693 of file ELFEmitter.cpp.

Referenced by llvm::ELFYAML::appendUniqueSuffix(), and llvm::ELFYAML::dropUniqueSuffix().