LIEF::PE::unwind_aarch64::PackedFunction Class Reference

This class represents a packed AArch64 exception entry. More...

#include <PackedFunction.hpp>

Inheritance diagram for LIEF::PE::unwind_aarch64::PackedFunction:

Collaboration diagram for LIEF::PE::unwind_aarch64::PackedFunction:

Public Member Functions
	PackedFunction (const PackedFunction &)=default
PackedFunction &	operator= (const PackedFunction &)=default
	PackedFunction (PackedFunction &&)=default
PackedFunction &	operator= (PackedFunction &&)=default
	~PackedFunction () override=default
std::unique_ptr< ExceptionInfo >	clone () const override
std::string	to_string () const override
uint8_t	frame_size () const
	Size of the allocated stack.
uint8_t	reg_I () const
	Number of non-volatile INT registers (x19-x28) saved in the canonical stack location.
uint8_t	reg_F () const
	Number of non-volatile FP registers (d8-d15) saved in the canonical stack location.
uint8_t	H () const
	1-bit flag indicating whether the function homes the integer parameter registers (x0-x7) by storing them at the very start of the function. (0 = doesn't home registers, 1 = homes registers).
uint8_t	CR () const
	Flag indicating whether the function includes extra instructions to set up a frame chain and return link.
PackedFunction &	frame_size (uint8_t value)
PackedFunction &	reg_I (uint8_t value)
PackedFunction &	reg_F (uint8_t value)
PackedFunction &	H (uint8_t value)
PackedFunction &	CR (uint8_t value)
	RuntimeFunctionAArch64 (uint64_t RVA, uint32_t length, PACKED_FLAGS flag)
	RuntimeFunctionAArch64 (const RuntimeFunctionAArch64 &)=default
	RuntimeFunctionAArch64 (RuntimeFunctionAArch64 &&)=default
Public Member Functions inherited from LIEF::PE::RuntimeFunctionAArch64
	RuntimeFunctionAArch64 (uint64_t RVA, uint32_t length, PACKED_FLAGS flag)
	RuntimeFunctionAArch64 (const RuntimeFunctionAArch64 &)=default
RuntimeFunctionAArch64 &	operator= (const RuntimeFunctionAArch64 &)=default
	RuntimeFunctionAArch64 (RuntimeFunctionAArch64 &&)=default
RuntimeFunctionAArch64 &	operator= (RuntimeFunctionAArch64 &&)=default
std::unique_ptr< ExceptionInfo >	clone () const override
uint32_t	length () const
	Length of the function in bytes.
PACKED_FLAGS	flag () const
	Flag describing the format the unwind data.
uint32_t	rva_end () const
	Function end address.
std::string	to_string () const override
	~RuntimeFunctionAArch64 ()=default
Public Member Functions inherited from LIEF::PE::ExceptionInfo
	ExceptionInfo ()=delete
	ExceptionInfo (const ExceptionInfo &)=default
ExceptionInfo &	operator= (const ExceptionInfo &)=default
	ExceptionInfo (ExceptionInfo &&)=default
ExceptionInfo &	operator= (ExceptionInfo &&)=default
	ExceptionInfo (ARCH arch, uint64_t rva)
	ExceptionInfo (ARCH arch)
ARCH	arch () const
	Target architecture of this exception.
uint32_t	rva_start () const
	Function start address.
virtual	~ExceptionInfo ()=default
template<class T >
T *	as ()
	Helper to downcast an ExceptionInfo into a concrete implementation.
template<class T >
const T *	as () const

Static Public Member Functions
static std::unique_ptr< PackedFunction >	parse (Parser &ctx, BinaryStream &strm, uint32_t rva, uint32_t unwind_data)
static bool	classof (const ExceptionInfo *info)
Static Public Member Functions inherited from LIEF::PE::RuntimeFunctionAArch64
static std::unique_ptr< RuntimeFunctionAArch64 >	parse (Parser &ctx, BinaryStream &strm)
static bool	classof (const ExceptionInfo *info)
Static Public Member Functions inherited from LIEF::PE::ExceptionInfo
static std::unique_ptr< ExceptionInfo >	parse (Parser &ctx, BinaryStream &strm)
static std::unique_ptr< ExceptionInfo >	parse (Parser &ctx, BinaryStream &strm, Header::MACHINE_TYPES arch)

Additional Inherited Members
Public Types inherited from LIEF::PE::RuntimeFunctionAArch64
enum class	PACKED_FLAGS { UNPACKED = 0 , PACKED = 1 , PACKED_FRAGMENT = 2 , RESERVED = 3 }
Public Types inherited from LIEF::PE::ExceptionInfo
enum class	ARCH { UNKNOWN = 0 , ARM64 , X86_64 }
	Arch discriminator for the subclasses. More...

Detailed Description

This class represents a packed AArch64 exception entry.

An excepted entry can be packed if the unwind data fit in 30 bits

Reference: https://learn.microsoft.com/en-us/cpp/build/arm64-exception-handling?view=msvc-170#packed-unwind-data

Constructor & Destructor Documentation

PackedFunction() [1/2]

LIEF::PE::unwind_aarch64::PackedFunction::PackedFunction ( const PackedFunction & )

default

PackedFunction() [2/2]

LIEF::PE::unwind_aarch64::PackedFunction::PackedFunction ( PackedFunction && )

default

~PackedFunction()

LIEF::PE::unwind_aarch64::PackedFunction::~PackedFunction ( )

overridedefault

Member Function Documentation

classof()

static bool LIEF::PE::unwind_aarch64::PackedFunction::classof ( const ExceptionInfo * info )

inlinestatic

clone()

std::unique_ptr< ExceptionInfo > LIEF::PE::unwind_aarch64::PackedFunction::clone ( ) const

inlineoverridevirtual

Implements LIEF::PE::ExceptionInfo.

CR() [1/2]

uint8_t LIEF::PE::unwind_aarch64::PackedFunction::CR ( ) const

inline

Flag indicating whether the function includes extra instructions to set up a frame chain and return link.

CR() [2/2]

PackedFunction & LIEF::PE::unwind_aarch64::PackedFunction::CR ( uint8_t value )

inline

frame_size() [1/2]

uint8_t LIEF::PE::unwind_aarch64::PackedFunction::frame_size ( ) const

inline

Size of the allocated stack.

frame_size() [2/2]

PackedFunction & LIEF::PE::unwind_aarch64::PackedFunction::frame_size ( uint8_t value )

inline

H() [1/2]

uint8_t LIEF::PE::unwind_aarch64::PackedFunction::H ( ) const

inline

1-bit flag indicating whether the function homes the integer parameter registers (x0-x7) by storing them at the very start of the function. (0 = doesn't home registers, 1 = homes registers).

H() [2/2]

PackedFunction & LIEF::PE::unwind_aarch64::PackedFunction::H ( uint8_t value )

inline

operator=() [1/2]

PackedFunction & LIEF::PE::unwind_aarch64::PackedFunction::operator= ( const PackedFunction & )

default

operator=() [2/2]

PackedFunction & LIEF::PE::unwind_aarch64::PackedFunction::operator= ( PackedFunction && )

default

parse()

static std::unique_ptr< PackedFunction > LIEF::PE::unwind_aarch64::PackedFunction::parse ( Parser & ctx, BinaryStream & strm, uint32_t rva, uint32_t unwind_data )

static

reg_F() [1/2]

uint8_t LIEF::PE::unwind_aarch64::PackedFunction::reg_F ( ) const

inline

Number of non-volatile FP registers (d8-d15) saved in the canonical stack location.

reg_F() [2/2]

PackedFunction & LIEF::PE::unwind_aarch64::PackedFunction::reg_F ( uint8_t value )

inline

reg_I() [1/2]

uint8_t LIEF::PE::unwind_aarch64::PackedFunction::reg_I ( ) const

inline

Number of non-volatile INT registers (x19-x28) saved in the canonical stack location.

reg_I() [2/2]

PackedFunction & LIEF::PE::unwind_aarch64::PackedFunction::reg_I ( uint8_t value )

inline

RuntimeFunctionAArch64() [1/3]

LIEF::PE::RuntimeFunctionAArch64::RuntimeFunctionAArch64 ( const RuntimeFunctionAArch64 & )

default

RuntimeFunctionAArch64() [2/3]

LIEF::PE::RuntimeFunctionAArch64::RuntimeFunctionAArch64 ( RuntimeFunctionAArch64 && )

default

RuntimeFunctionAArch64() [3/3]

LIEF::PE::RuntimeFunctionAArch64::RuntimeFunctionAArch64 ( uint64_t RVA, uint32_t length, PACKED_FLAGS flag )

inline

to_string()

std::string LIEF::PE::unwind_aarch64::PackedFunction::to_string ( ) const

overridevirtual

Implements LIEF::PE::ExceptionInfo.

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

• PackedFunction.hpp