You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
111 lines
2.9 KiB
111 lines
2.9 KiB
/*
|
|
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
|
|
};
|
|
|
|
/// Information structure for a particular instruction.
|
|
struct InstructionInfo
|
|
{
|
|
char const* name; ///< The name of the instruction.
|
|
int additional; ///< Additional items required in memory for this instructions (only for PUSH).
|
|
int args; ///< Number of items required on the stack for this instruction (and, for the purposes of ret, the number taken from the stack).
|
|
int ret; ///< Number of items placed (back) on the stack by this instruction, assuming args items were removed.
|
|
};
|
|
|
|
/// Information on all the instructions.
|
|
extern const std::map<Instruction, InstructionInfo> c_instructionInfo;
|
|
|
|
/// Convert from string mnemonic to Instruction type.
|
|
extern const std::map<std::string, Instruction> c_instructions;
|
|
|
|
/// Convert from simple EVM assembly language to EVM code.
|
|
u256s assemble(std::string const& _code, bool _quiet = false);
|
|
|
|
/// Convert from EVM code to simple EVM assembly language.
|
|
std::string disassemble(u256s const& _mem);
|
|
|
|
/// Compile a Low-level Lisp-like Language program into EVM-code.
|
|
u256s compileLisp(std::string const& _code, bool _quiet = false);
|
|
|
|
}
|
|
|