#include <VM.h>

Inheritance diagram for dev::eth::VM:

Collaboration diagram for dev::eth::VM:

Public Member Functions
virtual owning_bytes_ref	exec (u256 &io_gas, ExtVMFace &_ext, OnOpFunc const &_onOp) overridefinal
	VM implementation. More...

bytes const &	memory () const

u256s	stack () const

Public Member Functions inherited from dev::eth::VMFace
	VMFace ()=default

virtual	~VMFace ()=default

	VMFace (VMFace const &)=delete

VMFace &	operator= (VMFace const &)=delete

Private Types
typedef void(VM::*	MemFnPtr) ()

Private Member Functions
void	copyCode (int)

ptrdiff_t	stackSize ()

void	initEntry ()

void	optimize ()

void	interpretCases ()

void	caseCreate ()

bool	caseCallSetup (CallParameters *, bytesRef &o_output)

void	caseCall ()

void	copyDataToMemory (bytesConstRef _data, u256 *&m_SP)

uint64_t	memNeed (u256 _offset, u256 _size)

void	throwOutOfGas ()

void	throwBadInstruction ()

void	throwBadJumpDestination ()

void	throwBadStack (unsigned _size, unsigned _n, unsigned _d)

void	reportStackUse ()

int64_t	verifyJumpDest (u256 const &_dest, bool _throw=true)

int	poolConstant (const u256 &)

void	onOperation ()

void	checkStack (unsigned _n, unsigned _d)

uint64_t	gasForMem (u512 _size)

void	updateIOGas ()

void	updateGas ()

void	updateMem ()

void	logGasMem ()

void	fetchInstruction ()

uint64_t	decodeJumpDest (const byte *const _code, uint64_t &_pc)

uint64_t	decodeJumpvDest (const byte const _code, uint64_t &_pc, u256 &_sp)

template<class T >
uint64_t	toInt63 (T v)

Static Private Member Functions
static void	initMetrics ()

static u256	exp256 (u256 _base, u256 _exponent)

Private Attributes
u256 *	io_gas = 0

uint64_t	m_io_gas = 0

ExtVMFace *	m_ext = 0

OnOpFunc	m_onOp

const void const	c_jumpTable = 0

bool	m_caseInit = false

MemFnPtr	m_bounce = 0

MemFnPtr	m_onFail = 0

uint64_t	m_nSteps = 0

EVMSchedule const *	m_schedule = nullptr

owning_bytes_ref	m_output

bytes	m_mem

bytes	m_codeSpace

byte *	m_code = nullptr

u256	m_stackSpace [1025]

u256 *	m_stack = m_stackSpace + 1

u256	m_pool [256]

Instruction	m_OP

uint64_t	m_PC = 0

u256 *	m_SP = m_stack - 1

uint64_t	m_runGas = 0

uint64_t	m_newMemSize = 0

uint64_t	m_copyMemSize = 0

std::vector< uint64_t >	m_beginSubs

std::vector< uint64_t >	m_jumpDests

Static Private Attributes
static std::array< InstructionMetric, 256 >	c_metrics

Detailed Description

Definition at line 60 of file VM.h.

Member Typedef Documentation

typedef void(VM::* dev::eth::VM::MemFnPtr) ()

private

Definition at line 88 of file VM.h.

Member Function Documentation

void VM::caseCall ( )

private

Definition at line 130 of file VMCalls.cpp.

Here is the call graph for this function:

bool VM::caseCallSetup	(	CallParameters *	callParams,
		bytesRef &	o_output
	)

private

Definition at line 151 of file VMCalls.cpp.

Here is the call graph for this function:

void VM::caseCreate ( )

private

Definition at line 99 of file VMCalls.cpp.

void VM::checkStack	(	unsigned	_n,
		unsigned	_d
	)

private

Definition at line 91 of file VM.cpp.

void VM::copyCode ( int _extraBytes )

private

Definition at line 52 of file VMOpt.cpp.

void VM::copyDataToMemory	(	bytesConstRef	_data,
		u256 *&	m_SP
	)

private

Definition at line 28 of file VMCalls.cpp.

Here is the call graph for this function:

uint64_t VM::decodeJumpDest	(	const byte *const	_code,
		uint64_t &	_pc
	)

private

Definition at line 50 of file VM.cpp.

uint64_t VM::decodeJumpvDest	(	const byte *const	_code,
		uint64_t &	_pc,
		u256 *&	_sp
	)

private

Definition at line 60 of file VM.cpp.

owning_bytes_ref VM::exec	(	u256 &	io_gas,
		ExtVMFace &	_ext,
		OnOpFunc const &	_onOp
	)

finaloverridevirtual

VM implementation.

Implements dev::eth::VMFace.

Definition at line 163 of file VM.cpp.

Here is the call graph for this function:

u256 VM::exp256	(	u256	_base,
		u256	_exponent
	)

staticprivate

Definition at line 273 of file VMOpt.cpp.

void VM::fetchInstruction ( )

private

Definition at line 137 of file VM.cpp.

uint64_t VM::gasForMem ( u512 _size )

private

Definition at line 99 of file VM.cpp.

void VM::initEntry ( )

private

Definition at line 258 of file VMOpt.cpp.

Here is the call graph for this function:

void VM::initMetrics ( )

staticprivate

Definition at line 36 of file VMOpt.cpp.

Here is the call graph for this function:

void VM::interpretCases ( )

private

Definition at line 194 of file VM.cpp.

Here is the call graph for this function:

void VM::logGasMem ( )

private

Definition at line 129 of file VM.cpp.

uint64_t VM::memNeed	(	u256	_offset,
		u256	_size
	)

private

Definition at line 30 of file VM.cpp.

bytes const& dev::eth::VM::memory ( ) const

inline

Definition at line 71 of file VM.h.

Here is the caller graph for this function:

void VM::onOperation ( )

private

Definition at line 83 of file VM.cpp.

void VM::optimize ( )

private

Definition at line 64 of file VMOpt.cpp.

Here is the call graph for this function:

int dev::eth::VM::poolConstant ( const u256 & )

private

void VM::reportStackUse ( )

private

Definition at line 26 of file VMOpt.cpp.

u256s dev::eth::VM::stack ( ) const

inline

Definition at line 72 of file VM.h.

Here is the call graph for this function:

Here is the caller graph for this function:

ptrdiff_t dev::eth::VM::stackSize ( )

inlineprivate

Definition at line 107 of file VM.h.

void VM::throwBadInstruction ( )

private

Definition at line 51 of file VMCalls.cpp.

void VM::throwBadJumpDestination ( )

private

Definition at line 56 of file VMCalls.cpp.

void VM::throwBadStack	(	unsigned	_size,
		unsigned	_n,
		unsigned	_d
	)

private

Definition at line 61 of file VMCalls.cpp.

void VM::throwOutOfGas ( )

private

Definition at line 46 of file VMCalls.cpp.

template<class T >

uint64_t dev::eth::VM::toInt63 ( T v )

inlineprivate

Definition at line 174 of file VM.h.

void VM::updateGas ( )

private

Definition at line 112 of file VM.cpp.

void VM::updateIOGas ( )

private

Definition at line 105 of file VM.cpp.

void VM::updateMem ( )

private

Definition at line 121 of file VM.cpp.

int64_t VM::verifyJumpDest	(	u256 const &	_dest,
		bool	_throw = `true`
	)

private

Definition at line 77 of file VMCalls.cpp.

Member Data Documentation

const void* const* dev::eth::VM::c_jumpTable = 0

private

Definition at line 85 of file VM.h.

std::array< InstructionMetric, 256 > VM::c_metrics

staticprivate

Definition at line 81 of file VM.h.

u256* dev::eth::VM::io_gas = 0

private

Definition at line 76 of file VM.h.

std::vector<uint64_t> dev::eth::VM::m_beginSubs

private

Definition at line 156 of file VM.h.

MemFnPtr dev::eth::VM::m_bounce = 0

private

Definition at line 89 of file VM.h.

bool dev::eth::VM::m_caseInit = false

private

Definition at line 86 of file VM.h.

byte* dev::eth::VM::m_code = nullptr

private

Definition at line 102 of file VM.h.

bytes dev::eth::VM::m_codeSpace

private

Definition at line 101 of file VM.h.

uint64_t dev::eth::VM::m_copyMemSize = 0

private

Definition at line 132 of file VM.h.

ExtVMFace* dev::eth::VM::m_ext = 0

private

Definition at line 78 of file VM.h.

uint64_t dev::eth::VM::m_io_gas = 0

private

Definition at line 77 of file VM.h.

std::vector<uint64_t> dev::eth::VM::m_jumpDests

private

Definition at line 157 of file VM.h.

bytes dev::eth::VM::m_mem

private

Definition at line 98 of file VM.h.

uint64_t dev::eth::VM::m_newMemSize = 0

private

Definition at line 131 of file VM.h.

uint64_t dev::eth::VM::m_nSteps = 0

private

Definition at line 91 of file VM.h.

MemFnPtr dev::eth::VM::m_onFail = 0

private

Definition at line 90 of file VM.h.

OnOpFunc dev::eth::VM::m_onOp

private

Definition at line 79 of file VM.h.

Instruction dev::eth::VM::m_OP

private

Definition at line 122 of file VM.h.

owning_bytes_ref dev::eth::VM::m_output

private

Definition at line 95 of file VM.h.

uint64_t dev::eth::VM::m_PC = 0

private

Definition at line 123 of file VM.h.

u256 dev::eth::VM::m_pool[256]

private

Definition at line 119 of file VM.h.

uint64_t dev::eth::VM::m_runGas = 0

private

Definition at line 130 of file VM.h.

EVMSchedule const* dev::eth::VM::m_schedule = nullptr

private

Definition at line 92 of file VM.h.

u256* dev::eth::VM::m_SP = m_stack - 1

private

Definition at line 124 of file VM.h.

u256* dev::eth::VM::m_stack = m_stackSpace + 1

private

Definition at line 106 of file VM.h.

u256 dev::eth::VM::m_stackSpace[1025]

private

Definition at line 105 of file VM.h.

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

src/cpp-ethereum/libevm/VM.h
src/cpp-ethereum/libevm/VM.cpp
src/cpp-ethereum/libevm/VMCalls.cpp
src/cpp-ethereum/libevm/VMOpt.cpp

Public Member Functions

Private Types

Private Member Functions

Static Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Member Typedef Documentation

Member Function Documentation

Member Data Documentation