231 lines
3.9 KiB
Go
231 lines
3.9 KiB
Go
package ethchain
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type OpCode int
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// Op codes
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const (
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// 0x0 range - arithmetic ops
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oSTOP = 0x00
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oADD = 0x01
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oMUL = 0x02
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oSUB = 0x03
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oDIV = 0x04
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oSDIV = 0x05
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oMOD = 0x06
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oSMOD = 0x07
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oEXP = 0x08
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oNEG = 0x09
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oLT = 0x0a
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oGT = 0x0b
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oEQ = 0x0c
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oNOT = 0x0d
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// 0x10 range - bit ops
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oAND = 0x10
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oOR = 0x11
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oXOR = 0x12
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oBYTE = 0x13
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// 0x20 range - crypto
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oSHA3 = 0x20
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// 0x30 range - closure state
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oADDRESS = 0x30
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oBALANCE = 0x31
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oORIGIN = 0x32
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oCALLER = 0x33
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oCALLVALUE = 0x34
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oCALLDATALOAD = 0x35
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oCALLDATASIZE = 0x36
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oGASPRICE = 0x37
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// 0x40 range - block operations
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oPREVHASH = 0x40
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oCOINBASE = 0x41
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oTIMESTAMP = 0x42
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oNUMBER = 0x43
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oDIFFICULTY = 0x44
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oGASLIMIT = 0x45
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// 0x50 range - 'storage' and execution
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oPUSH = 0x50
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oPUSH20 = 0x80
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oPOP = 0x51
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oDUP = 0x52
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oSWAP = 0x53
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oMLOAD = 0x54
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oMSTORE = 0x55
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oMSTORE8 = 0x56
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oSLOAD = 0x57
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oSSTORE = 0x58
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oJUMP = 0x59
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oJUMPI = 0x5a
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oPC = 0x5b
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oMSIZE = 0x5c
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// 0x60 range - closures
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oCREATE = 0x60
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oCALL = 0x61
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oRETURN = 0x62
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// 0x70 range - other
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oLOG = 0x70 // XXX Unofficial
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oSUICIDE = 0x7f
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)
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// Since the opcodes aren't all in order we can't use a regular slice
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var opCodeToString = map[OpCode]string{
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// 0x0 range - arithmetic ops
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oSTOP: "STOP",
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oADD: "ADD",
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oMUL: "MUL",
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oSUB: "SUB",
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oDIV: "DIV",
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oSDIV: "SDIV",
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oMOD: "MOD",
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oSMOD: "SMOD",
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oEXP: "EXP",
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oNEG: "NEG",
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oLT: "LT",
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oGT: "GT",
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oEQ: "EQ",
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oNOT: "NOT",
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// 0x10 range - bit ops
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oAND: "AND",
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oOR: "OR",
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oXOR: "XOR",
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oBYTE: "BYTE",
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// 0x20 range - crypto
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oSHA3: "SHA3",
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// 0x30 range - closure state
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oADDRESS: "ADDRESS",
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oBALANCE: "BALANCE",
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oORIGIN: "ORIGIN",
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oCALLER: "CALLER",
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oCALLVALUE: "CALLVALUE",
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oCALLDATALOAD: "CALLDATALOAD",
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oCALLDATASIZE: "CALLDATASIZE",
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oGASPRICE: "TXGASPRICE",
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// 0x40 range - block operations
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oPREVHASH: "PREVHASH",
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oCOINBASE: "COINBASE",
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oTIMESTAMP: "TIMESTAMP",
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oNUMBER: "NUMBER",
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oDIFFICULTY: "DIFFICULTY",
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oGASLIMIT: "GASLIMIT",
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// 0x50 range - 'storage' and execution
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oPUSH: "PUSH",
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oPOP: "POP",
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oDUP: "DUP",
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oSWAP: "SWAP",
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oMLOAD: "MLOAD",
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oMSTORE: "MSTORE",
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oMSTORE8: "MSTORE8",
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oSLOAD: "SLOAD",
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oSSTORE: "SSTORE",
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oJUMP: "JUMP",
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oJUMPI: "JUMPI",
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oPC: "PC",
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oMSIZE: "MSIZE",
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// 0x60 range - closures
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oCREATE: "CREATE",
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oCALL: "CALL",
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oRETURN: "RETURN",
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// 0x70 range - other
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oLOG: "LOG",
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oSUICIDE: "SUICIDE",
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}
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func (o OpCode) String() string {
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return opCodeToString[o]
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}
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// Op codes for assembling
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var OpCodes = map[string]byte{
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// 0x0 range - arithmetic ops
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"STOP": 0x00,
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"ADD": 0x01,
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"MUL": 0x02,
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"SUB": 0x03,
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"DIV": 0x04,
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"SDIV": 0x05,
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"MOD": 0x06,
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"SMOD": 0x07,
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"EXP": 0x08,
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"NEG": 0x09,
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"LT": 0x0a,
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"GT": 0x0b,
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"EQ": 0x0c,
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"NOT": 0x0d,
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// 0x10 range - bit ops
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"AND": 0x10,
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"OR": 0x11,
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"XOR": 0x12,
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"BYTE": 0x13,
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// 0x20 range - crypto
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"SHA3": 0x20,
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// 0x30 range - closure state
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"ADDRESS": 0x30,
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"BALANCE": 0x31,
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"ORIGIN": 0x32,
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"CALLER": 0x33,
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"CALLVALUE": 0x34,
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"CALLDATALOAD": 0x35,
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"CALLDATASIZE": 0x36,
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"GASPRICE": 0x38,
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// 0x40 range - block operations
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"PREVHASH": 0x40,
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"COINBASE": 0x41,
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"TIMESTAMP": 0x42,
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"NUMBER": 0x43,
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"DIFFICULTY": 0x44,
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"GASLIMIT": 0x45,
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// 0x50 range - 'storage' and execution
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"PUSH": 0x50,
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"PUSH20": 0x80,
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"POP": 0x51,
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"DUP": 0x52,
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"SWAP": 0x53,
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"MLOAD": 0x54,
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"MSTORE": 0x55,
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"MSTORE8": 0x56,
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"SLOAD": 0x57,
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"SSTORE": 0x58,
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"JUMP": 0x59,
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"JUMPI": 0x5a,
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"PC": 0x5b,
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"MSIZE": 0x5c,
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// 0x60 range - closures
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"CREATE": 0x60,
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"CALL": 0x61,
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"RETURN": 0x62,
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// 0x70 range - other
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"LOG": 0x70,
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"SUICIDE": 0x7f,
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}
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func IsOpCode(s string) bool {
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for key, _ := range OpCodes {
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if key == s {
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return true
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}
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}
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return false
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}
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