diff options
Diffstat (limited to 'vm/types.go')
| -rw-r--r-- | vm/types.go | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/vm/types.go b/vm/types.go new file mode 100644 index 000000000..5fd92052b --- /dev/null +++ b/vm/types.go @@ -0,0 +1,314 @@ +package vm + +import ( + "fmt" +) + +type OpCode byte + +// Op codes +const ( + // 0x0 range - arithmetic ops + STOP = 0x00 + ADD = 0x01 + MUL = 0x02 + SUB = 0x03 + DIV = 0x04 + SDIV = 0x05 + MOD = 0x06 + SMOD = 0x07 + EXP = 0x08 + NEG = 0x09 + LT = 0x0a + GT = 0x0b + SLT = 0x0c + SGT = 0x0d + EQ = 0x0e + NOT = 0x0f + + // 0x10 range - bit ops + AND = 0x10 + OR = 0x11 + XOR = 0x12 + BYTE = 0x13 + ADDMOD = 0x14 + MULMOD = 0x15 + + // 0x20 range - crypto + SHA3 = 0x20 + + // 0x30 range - closure state + ADDRESS = 0x30 + BALANCE = 0x31 + ORIGIN = 0x32 + CALLER = 0x33 + CALLVALUE = 0x34 + CALLDATALOAD = 0x35 + CALLDATASIZE = 0x36 + CALLDATACOPY = 0x37 + CODESIZE = 0x38 + CODECOPY = 0x39 + GASPRICE = 0x3a + EXTCODESIZE = 0x3b + EXTCODECOPY = 0x3c + + // 0x40 range - block operations + PREVHASH = 0x40 + COINBASE = 0x41 + TIMESTAMP = 0x42 + NUMBER = 0x43 + DIFFICULTY = 0x44 + GASLIMIT = 0x45 + + // 0x50 range - 'storage' and execution + POP = 0x50 + //DUP = 0x51 + //SWAP = 0x52 + MLOAD = 0x53 + MSTORE = 0x54 + MSTORE8 = 0x55 + SLOAD = 0x56 + SSTORE = 0x57 + JUMP = 0x58 + JUMPI = 0x59 + PC = 0x5a + MSIZE = 0x5b + GAS = 0x5c + JUMPDEST = 0x5d + + // 0x60 range + PUSH1 = 0x60 + PUSH2 = 0x61 + PUSH3 = 0x62 + PUSH4 = 0x63 + PUSH5 = 0x64 + PUSH6 = 0x65 + PUSH7 = 0x66 + PUSH8 = 0x67 + PUSH9 = 0x68 + PUSH10 = 0x69 + PUSH11 = 0x6a + PUSH12 = 0x6b + PUSH13 = 0x6c + PUSH14 = 0x6d + PUSH15 = 0x6e + PUSH16 = 0x6f + PUSH17 = 0x70 + PUSH18 = 0x71 + PUSH19 = 0x72 + PUSH20 = 0x73 + PUSH21 = 0x74 + PUSH22 = 0x75 + PUSH23 = 0x76 + PUSH24 = 0x77 + PUSH25 = 0x78 + PUSH26 = 0x79 + PUSH27 = 0x7a + PUSH28 = 0x7b + PUSH29 = 0x7c + PUSH30 = 0x7d + PUSH31 = 0x7e + PUSH32 = 0x7f + + DUP1 = 0x80 + DUP2 = 0x81 + DUP3 = 0x82 + DUP4 = 0x83 + DUP5 = 0x84 + DUP6 = 0x85 + DUP7 = 0x86 + DUP8 = 0x87 + DUP9 = 0x88 + DUP10 = 0x89 + DUP11 = 0x8a + DUP12 = 0x8b + DUP13 = 0x8c + DUP14 = 0x8d + DUP15 = 0x8e + DUP16 = 0x8f + + SWAP1 = 0x90 + SWAP2 = 0x91 + SWAP3 = 0x92 + SWAP4 = 0x93 + SWAP5 = 0x94 + SWAP6 = 0x95 + SWAP7 = 0x96 + SWAP8 = 0x97 + SWAP9 = 0x98 + SWAP10 = 0x99 + SWAP11 = 0x9a + SWAP12 = 0x9b + SWAP13 = 0x9c + SWAP14 = 0x9d + SWAP15 = 0x9e + SWAP16 = 0x9f + + // 0xf0 range - closures + CREATE = 0xf0 + CALL = 0xf1 + RETURN = 0xf2 + CALLCODE = 0xf3 + + // 0x70 range - other + LOG = 0xfe // XXX Unofficial + 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 + STOP: "STOP", + ADD: "ADD", + MUL: "MUL", + SUB: "SUB", + DIV: "DIV", + SDIV: "SDIV", + MOD: "MOD", + SMOD: "SMOD", + EXP: "EXP", + NEG: "NEG", + LT: "LT", + GT: "GT", + SLT: "SLT", + SGT: "SGT", + EQ: "EQ", + NOT: "NOT", + + // 0x10 range - bit ops + AND: "AND", + OR: "OR", + XOR: "XOR", + BYTE: "BYTE", + ADDMOD: "ADDMOD", + MULMOD: "MULMOD", + + // 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 + PREVHASH: "PREVHASH", + COINBASE: "COINBASE", + TIMESTAMP: "TIMESTAMP", + NUMBER: "NUMBER", + DIFFICULTY: "DIFFICULTY", + GASLIMIT: "GASLIMIT", + EXTCODESIZE: "EXTCODESIZE", + EXTCODECOPY: "EXTCODECOPY", + + // 0x50 range - 'storage' and execution + POP: "POP", + //DUP: "DUP", + //SWAP: "SWAP", + MLOAD: "MLOAD", + MSTORE: "MSTORE", + MSTORE8: "MSTORE8", + SLOAD: "SLOAD", + SSTORE: "SSTORE", + JUMP: "JUMP", + JUMPI: "JUMPI", + PC: "PC", + MSIZE: "MSIZE", + GAS: "GAS", + JUMPDEST: "JUMPDEST", + + // 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", + + 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", + + // 0xf0 range + CREATE: "CREATE", + CALL: "CALL", + RETURN: "RETURN", + CALLCODE: "CALLCODE", + + // 0x70 range - other + LOG: "LOG", + 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 +} |