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/*
This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file Instruction.h
* @author Gav Wood <i@gavwood.com>
* @date 2014
*/
#pragma once
#include "Common.h"
namespace eth
{
// TODO: Update comments.
/// Virtual machine bytecode instruction.
enum class Instruction: uint8_t
{
STOP = 0x00, ///< halts execution
ADD,
MUL,
SUB,
DIV,
SDIV,
MOD,
SMOD,
EXP,
NEG,
LT,
LE,
GT,
GE,
EQ,
NOT,
MYADDRESS, ///< pushes the transaction sender
TXSENDER, ///< pushes the transaction sender
TXVALUE , ///< pushes the transaction value
TXDATAN, ///< pushes the number of data items
TXDATA, ///< pops one item and pushes data item S[-1], or zero if index out of range
BLK_PREVHASH, ///< pushes the hash of the previous block (NOT the current one since that's impossible!)
BLK_COINBASE, ///< pushes the coinbase of the current block
BLK_TIMESTAMP, ///< pushes the timestamp of the current block
BLK_NUMBER, ///< pushes the current block number
BLK_DIFFICULTY, ///< pushes the difficulty of the current block
BLK_NONCE,
BASEFEE,
SHA256 = 0x20,
RIPEMD160,
ECMUL,
ECADD,
ECSIGN,
ECRECOVER,
ECVALID,
SHA3,
PUSH = 0x30,
POP,
DUP,
SWAP,
MLOAD,
MSTORE,
SLOAD,
SSTORE,
JMP,
JMPI,
IND,
EXTRO,
BALANCE,
MKTX,
SUICIDE = 0x3f
};
struct InstructionInfo
{
std::string name;
int additional;
int args;
int ret;
};
static const std::map<Instruction, InstructionInfo> c_instructionInfo =
{
{ Instruction::STOP, { "STOP", 0, 0, 0 } },
{ Instruction::ADD, { "ADD", 0, 2, 1 } },
{ Instruction::SUB, { "SUB", 0, 2, 1 } },
{ Instruction::MUL, { "MUL", 0, 2, 1 } },
{ Instruction::DIV, { "DIV", 0, 2, 1 } },
{ Instruction::SDIV, { "SDIV", 0, 2, 1 } },
{ Instruction::MOD, { "MOD", 0, 2, 1 } },
{ Instruction::SMOD, { "SMOD", 0, 2, 1 } },
{ Instruction::EXP, { "EXP", 0, 2, 1 } },
{ Instruction::NEG, { "NEG", 0, 1, 1 } },
{ Instruction::LT, { "LT", 0, 2, 1 } },
{ Instruction::LE, { "LE", 0, 2, 1 } },
{ Instruction::GT, { "GT", 0, 2, 1 } },
{ Instruction::GE, { "GE", 0, 2, 1 } },
{ Instruction::EQ, { "EQ", 0, 2, 1 } },
{ Instruction::NOT, { "NOT", 0, 1, 1 } },
{ Instruction::MYADDRESS, { "MYADDRESS", 0, 0, 1 } },
{ Instruction::TXSENDER, { "TXSENDER", 0, 0, 1 } },
{ Instruction::TXVALUE, { "TXVALUE", 0, 0, 1 } },
{ Instruction::TXDATAN, { "TXDATAN", 0, 0, 1 } },
{ Instruction::TXDATA, { "TXDATA", 0, 1, 1 } },
{ Instruction::BLK_PREVHASH, { "BLK_PREVHASH", 0, 0, 1 } },
{ Instruction::BLK_COINBASE, { "BLK_COINBASE", 0, 0, 1 } },
{ Instruction::BLK_TIMESTAMP, { "BLK_TIMESTAMP", 0, 0, 1 } },
{ Instruction::BLK_NUMBER, { "BLK_NUMBER", 0, 0, 1 } },
{ Instruction::BLK_DIFFICULTY, { "BLK_DIFFICULTY", 0, 0, 1 } },
{ Instruction::BLK_NONCE, { "BLK_NONCE", 0, 0, 1 } },
{ Instruction::BASEFEE, { "BASEFEE", 0, 0, 1 } },
{ Instruction::SHA256, { "SHA256", 0, -1, 1 } },
{ Instruction::RIPEMD160, { "RIPEMD160", 0, -1, 1 } },
{ Instruction::ECMUL, { "ECMUL", 0, 3, 1 } },
{ Instruction::ECADD, { "ECADD", 0, 4, 1 } },
{ Instruction::ECSIGN, { "ECSIGN", 0, 2, 1 } },
{ Instruction::ECRECOVER, { "ECRECOVER", 0, 4, 1 } },
{ Instruction::ECVALID, { "ECVALID", 0, 2, 1 } },
{ Instruction::SHA3, { "SHA3", 0, -1, 1 } },
{ Instruction::PUSH, { "PUSH", 1, 0, 1 } },
{ Instruction::POP, { "POP", 0, 1, 0 } },
{ Instruction::DUP, { "DUP", 0, 1, 2 } },
{ Instruction::SWAP, { "SWAP", 0, 2, 2 } },
{ Instruction::MLOAD, { "MLOAD", 0, 1, 1 } },
{ Instruction::MSTORE, { "MSTORE", 0, 2, 0 } },
{ Instruction::SLOAD, { "SLOAD", 0, 1, 1 } },
{ Instruction::SSTORE, { "SSTORE", 0, 2, 0 } },
{ Instruction::JMP, { "JMP", 0, 1, 0 } },
{ Instruction::JMPI, { "JMPI", 0, 2, 0 } },
{ Instruction::IND, { "IND", 0, 0, 1 } },
{ Instruction::EXTRO, { "EXTRO", 0, 2, 1 } },
{ Instruction::BALANCE, { "BALANCE", 0, 1, 1 } },
{ Instruction::MKTX, { "MKTX", 0, -3, 0 } },
{ Instruction::SUICIDE, { "SUICIDE", 0, 1, 0} }
};
static const std::map<std::string, Instruction> c_instructions =
{
{ "STOP", Instruction::STOP },
{ "ADD", Instruction::ADD },
{ "SUB", Instruction::SUB },
{ "MUL", Instruction::MUL },
{ "DIV", Instruction::DIV },
{ "SDIV", Instruction::SDIV },
{ "MOD", Instruction::MOD },
{ "SMOD", Instruction::SMOD },
{ "EXP", Instruction::EXP },
{ "NEG", Instruction::NEG },
{ "LT", Instruction::LT },
{ "LE", Instruction::LE },
{ "GT", Instruction::GT },
{ "GE", Instruction::GE },
{ "EQ", Instruction::EQ },
{ "NOT", Instruction::NOT },
{ "MYADDRESS", Instruction::MYADDRESS },
{ "TXSENDER", Instruction::TXSENDER },
{ "TXVALUE", Instruction::TXVALUE },
{ "TXDATAN", Instruction::TXDATAN },
{ "TXDATA", Instruction::TXDATA },
{ "BLK_PREVHASH", Instruction::BLK_PREVHASH },
{ "BLK_COINBASE", Instruction::BLK_COINBASE },
{ "BLK_TIMESTAMP", Instruction::BLK_TIMESTAMP },
{ "BLK_NUMBER", Instruction::BLK_NUMBER },
{ "BLK_DIFFICULTY", Instruction::BLK_DIFFICULTY },
{ "BLK_NONCE", Instruction::BLK_NONCE },
{ "BASEFEE", Instruction::BASEFEE },
{ "SHA256", Instruction::SHA256 },
{ "RIPEMD160", Instruction::RIPEMD160 },
{ "ECMUL", Instruction::ECMUL },
{ "ECADD", Instruction::ECADD },
{ "ECSIGN", Instruction::ECSIGN },
{ "ECRECOVER", Instruction::ECRECOVER },
{ "ECVALID", Instruction::ECVALID },
{ "SHA3", Instruction::SHA3 },
{ "PUSH", Instruction::PUSH },
{ "POP", Instruction::POP },
{ "DUP", Instruction::DUP },
{ "SWAP", Instruction::SWAP },
{ "MLOAD", Instruction::MLOAD },
{ "MSTORE", Instruction::MSTORE },
{ "SLOAD", Instruction::SLOAD },
{ "SSTORE", Instruction::SSTORE },
{ "JMP", Instruction::JMP },
{ "JMPI", Instruction::JMPI },
{ "IND", Instruction::IND },
{ "EXTRO", Instruction::EXTRO },
{ "BALANCE", Instruction::BALANCE },
{ "MKTX", Instruction::MKTX },
{ "SUICIDE", Instruction::SUICIDE }
};
u256s assemble(std::string const& _code, bool _quiet = false);
std::string disassemble(u256s const& _mem);
u256s compileLisp(std::string const& _code, bool _quiet = false);
}