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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.cpp
* @author Gav Wood <i@gavwood.com>
* @date 2014
*/
#include "Instruction.h"
#include <libethential/Common.h>
using namespace std;
using namespace eth;
const std::map<std::string, Instruction> eth::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 },
{ "GT", Instruction::GT },
{ "SLT", Instruction::SLT },
{ "SGT", Instruction::SGT },
{ "EQ", Instruction::EQ },
{ "NOT", Instruction::NOT },
{ "AND", Instruction::AND },
{ "OR", Instruction::OR },
{ "XOR", Instruction::XOR },
{ "BYTE", Instruction::BYTE },
{ "SHA3", Instruction::SHA3 },
{ "ADDRESS", Instruction::ADDRESS },
{ "BALANCE", Instruction::BALANCE },
{ "ORIGIN", Instruction::ORIGIN },
{ "CALLER", Instruction::CALLER },
{ "CALLVALUE", Instruction::CALLVALUE },
{ "CALLDATALOAD", Instruction::CALLDATALOAD },
{ "CALLDATASIZE", Instruction::CALLDATASIZE },
{ "CALLDATACOPY", Instruction::CALLDATACOPY },
{ "CODESIZE", Instruction::CODESIZE },
{ "CODECOPY", Instruction::CODECOPY },
{ "GASPRICE", Instruction::GASPRICE },
{ "PREVHASH", Instruction::PREVHASH },
{ "COINBASE", Instruction::COINBASE },
{ "TIMESTAMP", Instruction::TIMESTAMP },
{ "NUMBER", Instruction::NUMBER },
{ "DIFFICULTY", Instruction::DIFFICULTY },
{ "GASLIMIT", Instruction::GASLIMIT },
{ "POP", Instruction::POP },
{ "DUP", Instruction::DUP },
{ "SWAP", Instruction::SWAP },
{ "MLOAD", Instruction::MLOAD },
{ "MSTORE", Instruction::MSTORE },
{ "MSTORE8", Instruction::MSTORE8 },
{ "SLOAD", Instruction::SLOAD },
{ "SSTORE", Instruction::SSTORE },
{ "JUMP", Instruction::JUMP },
{ "JUMPI", Instruction::JUMPI },
{ "PC", Instruction::PC },
{ "MSIZE", Instruction::MSIZE },
{ "GAS", Instruction::GAS },
{ "PUSH1", Instruction::PUSH1 },
{ "PUSH2", Instruction::PUSH2 },
{ "PUSH3", Instruction::PUSH3 },
{ "PUSH4", Instruction::PUSH4 },
{ "PUSH5", Instruction::PUSH5 },
{ "PUSH6", Instruction::PUSH6 },
{ "PUSH7", Instruction::PUSH7 },
{ "PUSH8", Instruction::PUSH8 },
{ "PUSH9", Instruction::PUSH9 },
{ "PUSH10", Instruction::PUSH10 },
{ "PUSH11", Instruction::PUSH11 },
{ "PUSH12", Instruction::PUSH12 },
{ "PUSH13", Instruction::PUSH13 },
{ "PUSH14", Instruction::PUSH14 },
{ "PUSH15", Instruction::PUSH15 },
{ "PUSH16", Instruction::PUSH16 },
{ "PUSH17", Instruction::PUSH17 },
{ "PUSH18", Instruction::PUSH18 },
{ "PUSH19", Instruction::PUSH19 },
{ "PUSH20", Instruction::PUSH20 },
{ "PUSH21", Instruction::PUSH21 },
{ "PUSH22", Instruction::PUSH22 },
{ "PUSH23", Instruction::PUSH23 },
{ "PUSH24", Instruction::PUSH24 },
{ "PUSH25", Instruction::PUSH25 },
{ "PUSH26", Instruction::PUSH26 },
{ "PUSH27", Instruction::PUSH27 },
{ "PUSH28", Instruction::PUSH28 },
{ "PUSH29", Instruction::PUSH29 },
{ "PUSH30", Instruction::PUSH30 },
{ "PUSH31", Instruction::PUSH31 },
{ "PUSH32", Instruction::PUSH32 },
{ "CREATE", Instruction::CREATE },
{ "CALL", Instruction::CALL },
{ "RETURN", Instruction::RETURN },
{ "SUICIDE", Instruction::SUICIDE }
};
const std::map<Instruction, InstructionInfo> eth::c_instructionInfo =
{ // Add, Args, Ret
{ 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::GT, { "GT", 0, 2, 1 } },
{ Instruction::SLT, { "SLT", 0, 2, 1 } },
{ Instruction::SGT, { "SGT", 0, 2, 1 } },
{ Instruction::EQ, { "EQ", 0, 2, 1 } },
{ Instruction::NOT, { "NOT", 0, 1, 1 } },
{ Instruction::AND, { "AND", 0, 2, 1 } },
{ Instruction::OR, { "OR", 0, 2, 1 } },
{ Instruction::XOR, { "XOR", 0, 2, 1 } },
{ Instruction::BYTE, { "BYTE", 0, 2, 1 } },
{ Instruction::SHA3, { "SHA3", 0, 2, 1 } },
{ Instruction::ADDRESS, { "ADDRESS", 0, 0, 1 } },
{ Instruction::BALANCE, { "BALANCE", 0, 1, 1 } },
{ Instruction::ORIGIN, { "ORIGIN", 0, 0, 1 } },
{ Instruction::CALLER, { "CALLER", 0, 0, 1 } },
{ Instruction::CALLVALUE, { "CALLVALUE", 0, 0, 1 } },
{ Instruction::CALLDATALOAD, { "CALLDATALOAD", 0, 1, 1 } },
{ Instruction::CALLDATASIZE, { "CALLDATASIZE", 0, 0, 1 } },
{ Instruction::CALLDATACOPY, { "CALLDATACOPY", 0, 3, 0 } },
{ Instruction::CODESIZE, { "CODESIZE", 0, 0, 1 } },
{ Instruction::CODECOPY, { "CODECOPY", 0, 3, 0 } },
{ Instruction::GASPRICE, { "GASPRICE", 0, 0, 1 } },
{ Instruction::PREVHASH, { "PREVHASH", 0, 0, 1 } },
{ Instruction::COINBASE, { "COINBASE", 0, 0, 1 } },
{ Instruction::TIMESTAMP, { "TIMESTAMP", 0, 0, 1 } },
{ Instruction::NUMBER, { "NUMBER", 0, 0, 1 } },
{ Instruction::DIFFICULTY, { "DIFFICULTY", 0, 0, 1 } },
{ Instruction::GASLIMIT, { "GASLIMIT", 0, 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::MSTORE8, { "MSTORE8", 0, 2, 0 } },
{ Instruction::SLOAD, { "SLOAD", 0, 1, 1 } },
{ Instruction::SSTORE, { "SSTORE", 0, 2, 0 } },
{ Instruction::JUMP, { "JUMP", 0, 1, 0 } },
{ Instruction::JUMPI, { "JUMPI", 0, 2, 0 } },
{ Instruction::PC, { "PC", 0, 0, 1 } },
{ Instruction::MSIZE, { "MSIZE", 0, 0, 1 } },
{ Instruction::GAS, { "GAS", 0, 0, 1 } },
{ Instruction::PUSH1, { "PUSH1", 1, 0, 1 } },
{ Instruction::PUSH2, { "PUSH2", 2, 0, 1 } },
{ Instruction::PUSH3, { "PUSH3", 3, 0, 1 } },
{ Instruction::PUSH4, { "PUSH4", 4, 0, 1 } },
{ Instruction::PUSH5, { "PUSH5", 5, 0, 1 } },
{ Instruction::PUSH6, { "PUSH6", 6, 0, 1 } },
{ Instruction::PUSH7, { "PUSH7", 7, 0, 1 } },
{ Instruction::PUSH8, { "PUSH8", 8, 0, 1 } },
{ Instruction::PUSH9, { "PUSH9", 9, 0, 1 } },
{ Instruction::PUSH10, { "PUSH10", 10, 0, 1 } },
{ Instruction::PUSH11, { "PUSH11", 11, 0, 1 } },
{ Instruction::PUSH12, { "PUSH12", 12, 0, 1 } },
{ Instruction::PUSH13, { "PUSH13", 13, 0, 1 } },
{ Instruction::PUSH14, { "PUSH14", 14, 0, 1 } },
{ Instruction::PUSH15, { "PUSH15", 15, 0, 1 } },
{ Instruction::PUSH16, { "PUSH16", 16, 0, 1 } },
{ Instruction::PUSH17, { "PUSH17", 17, 0, 1 } },
{ Instruction::PUSH18, { "PUSH18", 18, 0, 1 } },
{ Instruction::PUSH19, { "PUSH19", 19, 0, 1 } },
{ Instruction::PUSH20, { "PUSH20", 20, 0, 1 } },
{ Instruction::PUSH21, { "PUSH21", 21, 0, 1 } },
{ Instruction::PUSH22, { "PUSH22", 22, 0, 1 } },
{ Instruction::PUSH23, { "PUSH23", 23, 0, 1 } },
{ Instruction::PUSH24, { "PUSH24", 24, 0, 1 } },
{ Instruction::PUSH25, { "PUSH25", 25, 0, 1 } },
{ Instruction::PUSH26, { "PUSH26", 26, 0, 1 } },
{ Instruction::PUSH27, { "PUSH27", 27, 0, 1 } },
{ Instruction::PUSH28, { "PUSH28", 28, 0, 1 } },
{ Instruction::PUSH29, { "PUSH29", 29, 0, 1 } },
{ Instruction::PUSH30, { "PUSH30", 30, 0, 1 } },
{ Instruction::PUSH31, { "PUSH31", 31, 0, 1 } },
{ Instruction::PUSH32, { "PUSH32", 32, 0, 1 } },
{ Instruction::CREATE, { "CREATE", 0, 3, 1 } },
{ Instruction::CALL, { "CALL", 0, 7, 1 } },
{ Instruction::RETURN, { "RETURN", 0, 2, 0 } },
{ Instruction::SUICIDE, { "SUICIDE", 0, 1, 0} }
};
string eth::disassemble(bytes const& _mem)
{
stringstream ret;
uint numerics = 0;
for (auto it = _mem.begin(); it != _mem.end(); ++it)
{
byte n = *it;
auto iit = c_instructionInfo.find((Instruction)n);
if (numerics || iit == c_instructionInfo.end() || (byte)iit->first != n) // not an instruction or expecting an argument...
{
if (numerics)
numerics--;
ret << "0x" << hex << (int)n << " ";
}
else
{
auto const& ii = iit->second;
ret << ii.name << " ";
numerics = ii.additional;
}
}
return ret.str();
}