2015-07-07 00:54:22 +00:00
|
|
|
// Copyright 2014 The go-ethereum Authors
|
|
|
|
// This file is part of go-ethereum.
|
|
|
|
//
|
|
|
|
// go-ethereum is free software: you can redistribute it and/or modify
|
|
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
|
|
// (at your option) any later version.
|
|
|
|
//
|
|
|
|
// go-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 Lesser General Public License for more details.
|
|
|
|
//
|
|
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
|
|
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
|
2014-10-18 11:31:20 +00:00
|
|
|
package vm
|
2014-07-22 09:54:48 +00:00
|
|
|
|
|
|
|
import (
|
|
|
|
"fmt"
|
|
|
|
)
|
|
|
|
|
2014-10-14 09:48:52 +00:00
|
|
|
type OpCode byte
|
2014-07-22 09:54:48 +00:00
|
|
|
|
|
|
|
// Op codes
|
|
|
|
const (
|
|
|
|
// 0x0 range - arithmetic ops
|
2014-11-01 00:18:03 +00:00
|
|
|
STOP OpCode = iota
|
|
|
|
ADD
|
|
|
|
MUL
|
|
|
|
SUB
|
|
|
|
DIV
|
|
|
|
SDIV
|
|
|
|
MOD
|
|
|
|
SMOD
|
|
|
|
ADDMOD
|
|
|
|
MULMOD
|
|
|
|
EXP
|
|
|
|
SIGNEXTEND
|
|
|
|
)
|
2014-07-22 09:54:48 +00:00
|
|
|
|
2014-11-01 00:18:03 +00:00
|
|
|
const (
|
|
|
|
LT OpCode = iota + 0x10
|
|
|
|
GT
|
|
|
|
SLT
|
|
|
|
SGT
|
|
|
|
EQ
|
|
|
|
ISZERO
|
|
|
|
AND
|
|
|
|
OR
|
|
|
|
XOR
|
|
|
|
NOT
|
|
|
|
BYTE
|
2014-07-22 09:54:48 +00:00
|
|
|
|
|
|
|
SHA3 = 0x20
|
2014-11-01 00:18:03 +00:00
|
|
|
)
|
2014-07-22 09:54:48 +00:00
|
|
|
|
2014-11-01 00:18:03 +00:00
|
|
|
const (
|
2014-07-22 09:54:48 +00:00
|
|
|
// 0x30 range - closure state
|
2014-11-01 00:18:03 +00:00
|
|
|
ADDRESS OpCode = 0x30 + iota
|
|
|
|
BALANCE
|
|
|
|
ORIGIN
|
|
|
|
CALLER
|
|
|
|
CALLVALUE
|
|
|
|
CALLDATALOAD
|
|
|
|
CALLDATASIZE
|
|
|
|
CALLDATACOPY
|
|
|
|
CODESIZE
|
|
|
|
CODECOPY
|
|
|
|
GASPRICE
|
|
|
|
EXTCODESIZE
|
|
|
|
EXTCODECOPY
|
|
|
|
)
|
|
|
|
|
|
|
|
const (
|
2014-07-22 09:54:48 +00:00
|
|
|
|
|
|
|
// 0x40 range - block operations
|
2015-01-03 16:18:43 +00:00
|
|
|
BLOCKHASH OpCode = 0x40 + iota
|
2014-11-01 00:18:03 +00:00
|
|
|
COINBASE
|
|
|
|
TIMESTAMP
|
|
|
|
NUMBER
|
|
|
|
DIFFICULTY
|
|
|
|
GASLIMIT
|
|
|
|
)
|
2014-07-22 09:54:48 +00:00
|
|
|
|
2014-11-01 00:18:03 +00:00
|
|
|
const (
|
2014-07-22 09:54:48 +00:00
|
|
|
// 0x50 range - 'storage' and execution
|
2014-11-01 00:18:03 +00:00
|
|
|
POP OpCode = 0x50 + iota
|
|
|
|
MLOAD
|
|
|
|
MSTORE
|
|
|
|
MSTORE8
|
|
|
|
SLOAD
|
|
|
|
SSTORE
|
|
|
|
JUMP
|
|
|
|
JUMPI
|
|
|
|
PC
|
|
|
|
MSIZE
|
|
|
|
GAS
|
|
|
|
JUMPDEST
|
|
|
|
)
|
2014-07-22 09:54:48 +00:00
|
|
|
|
2014-11-01 00:18:03 +00:00
|
|
|
const (
|
2014-07-22 09:54:48 +00:00
|
|
|
// 0x60 range
|
2014-11-01 00:18:03 +00:00
|
|
|
PUSH1 OpCode = 0x60 + iota
|
|
|
|
PUSH2
|
|
|
|
PUSH3
|
|
|
|
PUSH4
|
|
|
|
PUSH5
|
|
|
|
PUSH6
|
|
|
|
PUSH7
|
|
|
|
PUSH8
|
|
|
|
PUSH9
|
|
|
|
PUSH10
|
|
|
|
PUSH11
|
|
|
|
PUSH12
|
|
|
|
PUSH13
|
|
|
|
PUSH14
|
|
|
|
PUSH15
|
|
|
|
PUSH16
|
|
|
|
PUSH17
|
|
|
|
PUSH18
|
|
|
|
PUSH19
|
|
|
|
PUSH20
|
|
|
|
PUSH21
|
|
|
|
PUSH22
|
|
|
|
PUSH23
|
|
|
|
PUSH24
|
|
|
|
PUSH25
|
|
|
|
PUSH26
|
|
|
|
PUSH27
|
|
|
|
PUSH28
|
|
|
|
PUSH29
|
|
|
|
PUSH30
|
|
|
|
PUSH31
|
|
|
|
PUSH32
|
|
|
|
DUP1
|
|
|
|
DUP2
|
|
|
|
DUP3
|
|
|
|
DUP4
|
|
|
|
DUP5
|
|
|
|
DUP6
|
|
|
|
DUP7
|
|
|
|
DUP8
|
|
|
|
DUP9
|
|
|
|
DUP10
|
|
|
|
DUP11
|
|
|
|
DUP12
|
|
|
|
DUP13
|
|
|
|
DUP14
|
|
|
|
DUP15
|
|
|
|
DUP16
|
|
|
|
SWAP1
|
|
|
|
SWAP2
|
|
|
|
SWAP3
|
|
|
|
SWAP4
|
|
|
|
SWAP5
|
|
|
|
SWAP6
|
|
|
|
SWAP7
|
|
|
|
SWAP8
|
|
|
|
SWAP9
|
|
|
|
SWAP10
|
|
|
|
SWAP11
|
|
|
|
SWAP12
|
|
|
|
SWAP13
|
|
|
|
SWAP14
|
|
|
|
SWAP15
|
|
|
|
SWAP16
|
|
|
|
)
|
2014-10-27 10:44:16 +00:00
|
|
|
|
2014-11-01 00:18:03 +00:00
|
|
|
const (
|
|
|
|
LOG0 OpCode = 0xa0 + iota
|
|
|
|
LOG1
|
|
|
|
LOG2
|
|
|
|
LOG3
|
|
|
|
LOG4
|
|
|
|
)
|
|
|
|
|
|
|
|
const (
|
2014-07-22 09:54:48 +00:00
|
|
|
// 0xf0 range - closures
|
2014-11-01 00:18:03 +00:00
|
|
|
CREATE OpCode = 0xf0 + iota
|
|
|
|
CALL
|
|
|
|
CALLCODE
|
2014-12-02 16:22:33 +00:00
|
|
|
RETURN
|
2014-07-22 09:54:48 +00:00
|
|
|
|
|
|
|
// 0x70 range - other
|
|
|
|
SUICIDE = 0xff
|
|
|
|
)
|
|
|
|
|
|
|
|
// Since the opcodes aren't all in order we can't use a regular slice
|
|
|
|
var opCodeToString = map[OpCode]string{
|
|
|
|
// 0x0 range - arithmetic ops
|
2014-11-04 17:18:57 +00:00
|
|
|
STOP: "STOP",
|
|
|
|
ADD: "ADD",
|
|
|
|
MUL: "MUL",
|
|
|
|
SUB: "SUB",
|
|
|
|
DIV: "DIV",
|
|
|
|
SDIV: "SDIV",
|
|
|
|
MOD: "MOD",
|
|
|
|
SMOD: "SMOD",
|
|
|
|
EXP: "EXP",
|
|
|
|
NOT: "NOT",
|
|
|
|
LT: "LT",
|
|
|
|
GT: "GT",
|
|
|
|
SLT: "SLT",
|
|
|
|
SGT: "SGT",
|
|
|
|
EQ: "EQ",
|
|
|
|
ISZERO: "ISZERO",
|
|
|
|
SIGNEXTEND: "SIGNEXTEND",
|
2014-07-22 09:54:48 +00:00
|
|
|
|
|
|
|
// 0x10 range - bit ops
|
2014-08-21 17:23:54 +00:00
|
|
|
AND: "AND",
|
|
|
|
OR: "OR",
|
|
|
|
XOR: "XOR",
|
|
|
|
BYTE: "BYTE",
|
|
|
|
ADDMOD: "ADDMOD",
|
|
|
|
MULMOD: "MULMOD",
|
2014-07-22 09:54:48 +00:00
|
|
|
|
|
|
|
// 0x20 range - crypto
|
|
|
|
SHA3: "SHA3",
|
|
|
|
|
|
|
|
// 0x30 range - closure state
|
|
|
|
ADDRESS: "ADDRESS",
|
|
|
|
BALANCE: "BALANCE",
|
|
|
|
ORIGIN: "ORIGIN",
|
|
|
|
CALLER: "CALLER",
|
|
|
|
CALLVALUE: "CALLVALUE",
|
|
|
|
CALLDATALOAD: "CALLDATALOAD",
|
|
|
|
CALLDATASIZE: "CALLDATASIZE",
|
|
|
|
CALLDATACOPY: "CALLDATACOPY",
|
|
|
|
CODESIZE: "CODESIZE",
|
|
|
|
CODECOPY: "CODECOPY",
|
|
|
|
GASPRICE: "TXGASPRICE",
|
|
|
|
|
|
|
|
// 0x40 range - block operations
|
2015-01-03 16:18:43 +00:00
|
|
|
BLOCKHASH: "BLOCKHASH",
|
2014-09-07 22:49:25 +00:00
|
|
|
COINBASE: "COINBASE",
|
|
|
|
TIMESTAMP: "TIMESTAMP",
|
|
|
|
NUMBER: "NUMBER",
|
|
|
|
DIFFICULTY: "DIFFICULTY",
|
|
|
|
GASLIMIT: "GASLIMIT",
|
|
|
|
EXTCODESIZE: "EXTCODESIZE",
|
|
|
|
EXTCODECOPY: "EXTCODECOPY",
|
2014-07-22 09:54:48 +00:00
|
|
|
|
|
|
|
// 0x50 range - 'storage' and execution
|
2014-08-21 18:25:02 +00:00
|
|
|
POP: "POP",
|
|
|
|
//DUP: "DUP",
|
|
|
|
//SWAP: "SWAP",
|
2014-10-08 10:01:14 +00:00
|
|
|
MLOAD: "MLOAD",
|
|
|
|
MSTORE: "MSTORE",
|
|
|
|
MSTORE8: "MSTORE8",
|
|
|
|
SLOAD: "SLOAD",
|
|
|
|
SSTORE: "SSTORE",
|
|
|
|
JUMP: "JUMP",
|
|
|
|
JUMPI: "JUMPI",
|
|
|
|
PC: "PC",
|
|
|
|
MSIZE: "MSIZE",
|
|
|
|
GAS: "GAS",
|
|
|
|
JUMPDEST: "JUMPDEST",
|
2014-07-22 09:54:48 +00:00
|
|
|
|
|
|
|
// 0x60 range - push
|
|
|
|
PUSH1: "PUSH1",
|
|
|
|
PUSH2: "PUSH2",
|
|
|
|
PUSH3: "PUSH3",
|
|
|
|
PUSH4: "PUSH4",
|
|
|
|
PUSH5: "PUSH5",
|
|
|
|
PUSH6: "PUSH6",
|
|
|
|
PUSH7: "PUSH7",
|
|
|
|
PUSH8: "PUSH8",
|
|
|
|
PUSH9: "PUSH9",
|
|
|
|
PUSH10: "PUSH10",
|
|
|
|
PUSH11: "PUSH11",
|
|
|
|
PUSH12: "PUSH12",
|
|
|
|
PUSH13: "PUSH13",
|
|
|
|
PUSH14: "PUSH14",
|
|
|
|
PUSH15: "PUSH15",
|
|
|
|
PUSH16: "PUSH16",
|
|
|
|
PUSH17: "PUSH17",
|
|
|
|
PUSH18: "PUSH18",
|
|
|
|
PUSH19: "PUSH19",
|
|
|
|
PUSH20: "PUSH20",
|
|
|
|
PUSH21: "PUSH21",
|
|
|
|
PUSH22: "PUSH22",
|
|
|
|
PUSH23: "PUSH23",
|
|
|
|
PUSH24: "PUSH24",
|
|
|
|
PUSH25: "PUSH25",
|
|
|
|
PUSH26: "PUSH26",
|
|
|
|
PUSH27: "PUSH27",
|
|
|
|
PUSH28: "PUSH28",
|
|
|
|
PUSH29: "PUSH29",
|
|
|
|
PUSH30: "PUSH30",
|
|
|
|
PUSH31: "PUSH31",
|
|
|
|
PUSH32: "PUSH32",
|
|
|
|
|
2014-08-21 17:23:54 +00:00
|
|
|
DUP1: "DUP1",
|
|
|
|
DUP2: "DUP2",
|
|
|
|
DUP3: "DUP3",
|
|
|
|
DUP4: "DUP4",
|
|
|
|
DUP5: "DUP5",
|
|
|
|
DUP6: "DUP6",
|
|
|
|
DUP7: "DUP7",
|
|
|
|
DUP8: "DUP8",
|
|
|
|
DUP9: "DUP9",
|
|
|
|
DUP10: "DUP10",
|
|
|
|
DUP11: "DUP11",
|
|
|
|
DUP12: "DUP12",
|
|
|
|
DUP13: "DUP13",
|
|
|
|
DUP14: "DUP14",
|
|
|
|
DUP15: "DUP15",
|
|
|
|
DUP16: "DUP16",
|
|
|
|
|
|
|
|
SWAP1: "SWAP1",
|
|
|
|
SWAP2: "SWAP2",
|
|
|
|
SWAP3: "SWAP3",
|
|
|
|
SWAP4: "SWAP4",
|
|
|
|
SWAP5: "SWAP5",
|
|
|
|
SWAP6: "SWAP6",
|
|
|
|
SWAP7: "SWAP7",
|
|
|
|
SWAP8: "SWAP8",
|
|
|
|
SWAP9: "SWAP9",
|
|
|
|
SWAP10: "SWAP10",
|
|
|
|
SWAP11: "SWAP11",
|
|
|
|
SWAP12: "SWAP12",
|
|
|
|
SWAP13: "SWAP13",
|
|
|
|
SWAP14: "SWAP14",
|
|
|
|
SWAP15: "SWAP15",
|
|
|
|
SWAP16: "SWAP16",
|
2014-12-03 11:21:12 +00:00
|
|
|
LOG0: "LOG0",
|
|
|
|
LOG1: "LOG1",
|
|
|
|
LOG2: "LOG2",
|
|
|
|
LOG3: "LOG3",
|
|
|
|
LOG4: "LOG4",
|
2014-08-21 17:23:54 +00:00
|
|
|
|
2014-07-22 09:54:48 +00:00
|
|
|
// 0xf0 range
|
2014-10-08 10:01:14 +00:00
|
|
|
CREATE: "CREATE",
|
|
|
|
CALL: "CALL",
|
|
|
|
RETURN: "RETURN",
|
|
|
|
CALLCODE: "CALLCODE",
|
2014-07-22 09:54:48 +00:00
|
|
|
|
|
|
|
// 0x70 range - other
|
|
|
|
SUICIDE: "SUICIDE",
|
|
|
|
}
|
|
|
|
|
|
|
|
func (o OpCode) String() string {
|
|
|
|
str := opCodeToString[o]
|
|
|
|
if len(str) == 0 {
|
|
|
|
return fmt.Sprintf("Missing opcode 0x%x", int(o))
|
|
|
|
}
|
|
|
|
|
|
|
|
return str
|
|
|
|
}
|