ObjectFile Class Reference

#include <object_file.hh>

Inheritance diagram for ObjectFile:

Classes
struct	Section

Public Types
enum	Arch {   UnknownArch, Alpha, SPARC64, SPARC32,   Mips, X86_64, I386, Arm64,   Arm, Thumb, Power, Riscv }
enum	OpSys {   UnknownOpSys, Tru64, Linux, Solaris,   LinuxArmOABI, FreeBSD }

Public Member Functions
virtual	~ObjectFile ()
virtual bool	loadSections (PortProxy &mem_proxy, Addr mask=maxAddr, Addr offset=0)
virtual bool	loadAllSymbols (SymbolTable *symtab, Addr base=0, Addr offset=0, Addr mask=maxAddr)=0
virtual bool	loadGlobalSymbols (SymbolTable *symtab, Addr base=0, Addr offset=0, Addr mask=maxAddr)=0
virtual bool	loadLocalSymbols (SymbolTable *symtab, Addr base=0, Addr offset=0, Addr mask=maxAddr)=0
virtual bool	loadWeakSymbols (SymbolTable *symtab, Addr base=0, Addr offset=0, Addr mask=maxAddr)
virtual ObjectFile *	getInterpreter () const
virtual bool	relocatable () const
virtual Addr	mapSize () const
virtual void	updateBias (Addr bias_addr)
virtual Addr	bias () const
virtual bool	hasTLS ()
Arch	getArch () const
OpSys	getOpSys () const
Addr	entryPoint () const
Addr	globalPointer () const
Addr	textBase () const
Addr	dataBase () const
Addr	bssBase () const
size_t	textSize () const
size_t	dataSize () const
size_t	bssSize () const
void	setTextBase (Addr a)

Static Public Attributes
static const Addr	maxAddr = std::numeric_limits<Addr>::max()

Protected Member Functions
	ObjectFile (const std::string &_filename, size_t _len, uint8_t *_data, Arch _arch, OpSys _opSys)
bool	loadSection (Section *sec, PortProxy &mem_proxy, Addr mask, Addr offset=0)
void	setGlobalPointer (Addr global_ptr)

Protected Attributes
const std::string	filename
uint8_t *	fileData
size_t	len
Arch	arch
OpSys	opSys
Addr	entry
Addr	globalPtr
Section	text
Section	data
Section	bss

Detailed Description

Definition at line 44 of file object_file.hh.

Member Enumeration Documentation

enum ObjectFile::Arch

Enumerator
UnknownArch
Alpha
SPARC64
SPARC32
Mips
X86_64
I386
Arm64
Arm
Thumb
Power
Riscv

Definition at line 48 of file object_file.hh.

enum ObjectFile::OpSys

Enumerator
UnknownOpSys
Tru64
Linux
Solaris
LinuxArmOABI
FreeBSD

Definition at line 63 of file object_file.hh.

Constructor & Destructor Documentation

ObjectFile::ObjectFile ( const std::string &  _filename, size_t  _len, uint8_t *  _data, Arch  _arch, OpSys  _opSys  )

protected

Definition at line 55 of file object_file.cc.

ObjectFile::~ObjectFile ( )

virtual

Definition at line 65 of file object_file.cc.

References fileData, and len.

Member Function Documentation

virtual Addr ObjectFile::bias ( ) const

inlinevirtual

Reimplemented in ElfObject.

Definition at line 107 of file object_file.hh.

Referenced by Process::getBias().

Addr ObjectFile::bssBase ( ) const

inline

Definition at line 140 of file object_file.hh.

References ObjectFile::Section::baseAddr, and bss.

Referenced by RiscvProcess::RiscvProcess(), and System::System().

size_t ObjectFile::bssSize ( ) const

inline

Definition at line 144 of file object_file.hh.

References bss, and ObjectFile::Section::size.

Referenced by AlphaProcess::AlphaProcess(), ArmProcess32::ArmProcess32(), ArmProcess64::ArmProcess64(), X86ISA::I386Process::I386Process(), MipsProcess::MipsProcess(), PowerProcess::PowerProcess(), RiscvProcess::RiscvProcess(), Sparc32Process::Sparc32Process(), Sparc64Process::Sparc64Process(), System::System(), and X86ISA::X86_64Process::X86_64Process().

Addr ObjectFile::dataBase ( ) const

inline

Definition at line 139 of file object_file.hh.

References ObjectFile::Section::baseAddr, and data.

Referenced by AlphaProcess::AlphaProcess(), ArmProcess32::ArmProcess32(), ArmProcess64::ArmProcess64(), X86ISA::I386Process::I386Process(), MipsProcess::MipsProcess(), PowerProcess::PowerProcess(), Sparc32Process::Sparc32Process(), Sparc64Process::Sparc64Process(), and X86ISA::X86_64Process::X86_64Process().

size_t ObjectFile::dataSize ( ) const

inline

Definition at line 143 of file object_file.hh.

References data, and ObjectFile::Section::size.

Referenced by AlphaProcess::AlphaProcess(), ArmProcess32::ArmProcess32(), ArmProcess64::ArmProcess64(), X86ISA::I386Process::I386Process(), MipsProcess::MipsProcess(), PowerProcess::PowerProcess(), Sparc32Process::Sparc32Process(), Sparc64Process::Sparc64Process(), and X86ISA::X86_64Process::X86_64Process().

Addr ObjectFile::entryPoint ( ) const

inline

Definition at line 134 of file object_file.hh.

References entry.

Referenced by AlphaProcess::argsInit(), MipsProcess::argsInit(), PowerProcess::argsInit(), RiscvProcess::argsInit(), SparcProcess::argsInit(), ArmProcess::argsInit(), X86ISA::X86Process::argsInit(), Process::getStartPC(), ArmSystem::initState(), and System::System().

Arch ObjectFile::getArch ( ) const

inline

Definition at line 111 of file object_file.hh.

References arch.

Referenced by ArmSystem::ArmSystem(), ArmSystem::getBootLoader(), and X86System::initState().

virtual ObjectFile* ObjectFile::getInterpreter ( ) const

inlinevirtual

Reimplemented in ElfObject.

Definition at line 101 of file object_file.hh.

Referenced by Process::getInterpreter(), and Process::updateBias().

OpSys ObjectFile::getOpSys ( ) const

inline

Definition at line 112 of file object_file.hh.

References opSys.

Referenced by ArmProcess::argsInit(), ArmProcess32::setSyscallReturn(), and ArmProcess64::setSyscallReturn().

Addr ObjectFile::globalPointer ( ) const

inline

Definition at line 136 of file object_file.hh.

References globalPtr.

Referenced by AlphaProcess::initState().

virtual bool ObjectFile::hasTLS ( )

inlinevirtual

Reimplemented in ElfObject.

Definition at line 109 of file object_file.hh.

virtual bool ObjectFile::loadAllSymbols ( SymbolTable *  symtab, Addr  base = 0, Addr  offset = 0, Addr  mask = maxAddr  )

pure virtual

Implemented in ElfObject, DtbObject, EcoffObject, AoutObject, and RawObject.

Referenced by mmapImpl().

virtual bool ObjectFile::loadGlobalSymbols ( SymbolTable *  symtab, Addr  base = 0, Addr  offset = 0, Addr  mask = maxAddr  )

pure virtual

Implemented in ElfObject, DtbObject, EcoffObject, AoutObject, and RawObject.

Referenced by AlphaSystem::AlphaSystem(), ArmSystem::ArmSystem(), FreebsdArmSystem::initState(), LinuxArmSystem::initState(), main(), Process::Process(), SparcSystem::SparcSystem(), and System::System().

virtual bool ObjectFile::loadLocalSymbols ( SymbolTable *  symtab, Addr  base = 0, Addr  offset = 0, Addr  mask = maxAddr  )

pure virtual

Implemented in ElfObject, DtbObject, EcoffObject, AoutObject, and RawObject.

Referenced by AlphaSystem::AlphaSystem(), main(), Process::Process(), SparcSystem::SparcSystem(), and System::System().

bool ObjectFile::loadSection ( Section *  sec, PortProxy &  mem_proxy, Addr  mask, Addr  offset = 0  )

protected

Definition at line 75 of file object_file.cc.

References addr, ObjectFile::Section::baseAddr, ObjectFile::Section::fileImage, PortProxy::memsetBlob(), ObjectFile::Section::size, and PortProxy::writeBlob().

Referenced by loadSections(), and ElfObject::loadSections().

bool ObjectFile::loadSections ( PortProxy &  mem_proxy, Addr  mask = maxAddr, Addr  offset = 0  )

virtual

Reimplemented in ElfObject.

Definition at line 93 of file object_file.cc.

References bss, data, loadSection(), and text.

Referenced by AlphaProcess::argsInit(), MipsProcess::argsInit(), PowerProcess::argsInit(), RiscvProcess::argsInit(), SparcProcess::argsInit(), ArmProcess::argsInit(), X86ISA::X86Process::argsInit(), SparcSystem::initState(), AlphaSystem::initState(), FreebsdArmSystem::initState(), LinuxArmSystem::initState(), ArmSystem::initState(), System::initState(), and ElfObject::loadSections().

virtual bool ObjectFile::loadWeakSymbols ( SymbolTable *  symtab, Addr  base = 0, Addr  offset = 0, Addr  mask = maxAddr  )

inlinevirtual

Reimplemented in ElfObject.

Definition at line 97 of file object_file.hh.

Referenced by Process::Process().

virtual Addr ObjectFile::mapSize ( ) const

inlinevirtual

Reimplemented in ElfObject.

Definition at line 103 of file object_file.hh.

References panic.

Referenced by Process::updateBias().

virtual bool ObjectFile::relocatable ( ) const

inlinevirtual

Reimplemented in ElfObject.

Definition at line 102 of file object_file.hh.

Referenced by Process::updateBias().

void ObjectFile::setGlobalPointer ( Addr  global_ptr )

inlineprotected

Definition at line 131 of file object_file.hh.

References globalPtr.

void ObjectFile::setTextBase ( Addr  a )

inline

Definition at line 151 of file object_file.hh.

References ArmISA::a, ObjectFile::Section::baseAddr, and text.

Referenced by SparcSystem::initState(), FreebsdArmSystem::initState(), and LinuxArmSystem::initState().

Addr ObjectFile::textBase ( ) const

inline

Definition at line 138 of file object_file.hh.

References ObjectFile::Section::baseAddr, and text.

Referenced by AlphaProcess::AlphaProcess(), mmapImpl(), and System::System().

size_t ObjectFile::textSize ( ) const

inline

Definition at line 142 of file object_file.hh.

References ObjectFile::Section::size, and text.

Referenced by mmapImpl().

virtual void ObjectFile::updateBias ( Addr  bias_addr )

inlinevirtual

Reimplemented in ElfObject.

Definition at line 105 of file object_file.hh.

References panic.

Referenced by Process::updateBias().

Member Data Documentation

Arch ObjectFile::arch

protected

Definition at line 77 of file object_file.hh.

Referenced by getArch(), and ElfObject::tryFile().

Section ObjectFile::bss

protected

Definition at line 127 of file object_file.hh.

Referenced by AoutObject::AoutObject(), bssBase(), bssSize(), DtbObject::DtbObject(), EcoffObject::EcoffObject(), ElfObject::ElfObject(), loadSections(), RawObject::RawObject(), and ElfObject::updateBias().

Section ObjectFile::data

protected

Definition at line 126 of file object_file.hh.

Referenced by AoutObject::AoutObject(), dataBase(), dataSize(), DtbObject::DtbObject(), EcoffObject::EcoffObject(), ElfObject::ElfObject(), loadSections(), ElfObject::loadSomeSymbols(), RawObject::RawObject(), and ElfObject::updateBias().

Addr ObjectFile::entry

protected

Definition at line 122 of file object_file.hh.

Referenced by AoutObject::AoutObject(), EcoffObject::EcoffObject(), ElfObject::ElfObject(), entryPoint(), EcoffObject::loadGlobalSymbols(), EcoffObject::loadLocalSymbols(), and ElfObject::updateBias().

uint8_t* ObjectFile::fileData

protected

Definition at line 74 of file object_file.hh.

Referenced by DtbObject::addBootCmdLine(), AoutObject::AoutObject(), DtbObject::DtbObject(), EcoffObject::EcoffObject(), ElfObject::ElfObject(), DtbObject::findReleaseAddr(), ElfObject::getSections(), EcoffObject::loadGlobalSymbols(), EcoffObject::loadLocalSymbols(), ElfObject::loadSomeSymbols(), RawObject::RawObject(), DtbObject::~DtbObject(), and ~ObjectFile().

const std::string ObjectFile::filename

protected

Definition at line 73 of file object_file.hh.

Referenced by ElfObject::ElfObject(), EcoffObject::loadGlobalSymbols(), and EcoffObject::loadLocalSymbols().

Addr ObjectFile::globalPtr

protected

Definition at line 123 of file object_file.hh.

Referenced by globalPointer(), and setGlobalPointer().

size_t ObjectFile::len

protected

Definition at line 75 of file object_file.hh.

Referenced by DtbObject::addBootCmdLine(), DtbObject::DtbObject(), ElfObject::ElfObject(), DtbObject::findReleaseAddr(), ElfObject::getSections(), ElfObject::loadSomeSymbols(), RawObject::RawObject(), DtbObject::~DtbObject(), and ~ObjectFile().

const Addr ObjectFile::maxAddr = std::numeric_limits<Addr>::max()

static

Definition at line 86 of file object_file.hh.

OpSys ObjectFile::opSys

protected

Definition at line 78 of file object_file.hh.

Referenced by getOpSys().

Section ObjectFile::text

protected

Definition at line 125 of file object_file.hh.

Referenced by DtbObject::addBootCmdLine(), AoutObject::AoutObject(), DtbObject::DtbObject(), EcoffObject::EcoffObject(), ElfObject::ElfObject(), loadSections(), RawObject::RawObject(), setTextBase(), textBase(), textSize(), and ElfObject::updateBias().

---

The documentation for this class was generated from the following files:

• base/loader/object_file.hh
• base/loader/object_file.cc