aboutsummaryrefslogtreecommitdiffstats
path: root/vm/types.go
blob: 53178fa43f69e063d74771d5b1ec7abe7ce942c3 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
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
    BNOT = 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

    LOG0 = 0xa0
    LOG1 = 0xa1
    LOG2 = 0xa2
    LOG3 = 0xa3
    LOG4 = 0xa4

    // 0xf0 range - closures
    CREATE   = 0xf0
    CALL     = 0xf1
    RETURN   = 0xf2
    CALLCODE = 0xf3

    // 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
    STOP: "STOP",
    ADD:  "ADD",
    MUL:  "MUL",
    SUB:  "SUB",
    DIV:  "DIV",
    SDIV: "SDIV",
    MOD:  "MOD",
    SMOD: "SMOD",
    EXP:  "EXP",
    BNOT: "BNOT",
    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
    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
}