git ssb

0+

wanderer🌟 / js-primea-hypervisor



Commit 85a5bcd197e051e35c4d05c3471529481eeddeda

Browse Files

Merge pull request #13 from ewasm/stackTrace

Stack trace
wanderer authored on 8/5/2016, 7:12:18 PM
GitHub committed on 8/5/2016, 7:12:18 PM
Parent: bea202f2fdf8d657062f28fac0fbd23060d6fad3
Parent: 29003849d596ca5f1379096bd408c4c1f82c460f

Files changed

debugInterface.jschanged
opcodes.jsadded
debugInterface.jsView
@@ -1,4 +1,6 @@
1+const opcodes = require('./opcodes.js')
2+
13 /**
24 * Debug Interface
35 * This expose some functions that can help with debugging wast
46 */
@@ -8,13 +10,9 @@
810 return String.fromCharCode.apply(null, input)
911 }
1012
1113 function Uint8ArrayToHexString (input) {
12- var ret = ''
13- for (var i = 0; i < input.length; i++) {
14- ret += input[i].toString(16)
15- }
16- return ret
14+ return new Buffer(input).toString('hex')
1715 }
1816
1917 module.exports = class DebugInterface {
2018 setModule (mod) {
@@ -28,8 +26,21 @@
2826 }.bind(this),
2927
3028 'printHex': function (offset, length) {
3129 console.log(`<DEBUG(hex): ${Uint8ArrayToHexString(new Uint8Array(this.module.exports.memory, offset, length))}>`)
30+ }.bind(this),
31+
32+ 'evmStackTrace': function (sp, op) {
33+ const opcode = opcodes(op)
34+ if (opcode.number) {
35+ opcode.name += opcode.number
36+ }
37+ console.error(opcode.name)
38+ console.log('-------------stack--------------')
39+ for (let i = sp; i > 0; i -= 32) {
40+ console.log(`${(sp - i) / 32} ${Uint8ArrayToHexString(new Uint8Array(this.module.exports.memory, i - 24, 32))}`)
41+ }
42+ return sp
3243 }.bind(this)
3344 }
3445 }
3546 }
opcodes.jsView
@@ -1,0 +1,187 @@
1+const codes = {
2+ // 0x0 range - arithmetic ops
3+ // name, baseCost, off stack, on stack, dynamic
4+ 0x00: ['STOP', 0, 0, 0, false],
5+ 0x01: ['ADD', 3, 2, 1, false],
6+ 0x02: ['MUL', 5, 2, 1, false],
7+ 0x03: ['SUB', 3, 2, 1, false],
8+ 0x04: ['DIV', 5, 2, 1, false],
9+ 0x05: ['SDIV', 5, 2, 1, false],
10+ 0x06: ['MOD', 5, 2, 1, false],
11+ 0x07: ['SMOD', 5, 2, 1, false],
12+ 0x08: ['ADDMOD', 8, 3, 1, false],
13+ 0x09: ['MULMOD', 8, 3, 1, false],
14+ 0x0a: ['EXP', 10, 2, 1, false],
15+ 0x0b: ['SIGNEXTEND', 5, 1, 1, false],
16+
17+ // 0x10 range - bit ops
18+ 0x10: ['LT', 3, 2, 1, false],
19+ 0x11: ['GT', 3, 2, 1, false],
20+ 0x12: ['SLT', 3, 2, 1, false],
21+ 0x13: ['SGT', 3, 2, 1, false],
22+ 0x14: ['EQ', 3, 2, 1, false],
23+ 0x15: ['ISZERO', 3, 1, 1, false],
24+ 0x16: ['AND', 3, 2, 1, false],
25+ 0x17: ['OR', 3, 2, 1, false],
26+ 0x18: ['XOR', 3, 2, 1, false],
27+ 0x19: ['NOT', 3, 1, 1, false],
28+ 0x1a: ['BYTE', 3, 2, 1, false],
29+
30+ // 0x20 range - crypto
31+ 0x20: ['SHA3', 30, 2, 1, false],
32+
33+ // 0x30 range - closure state
34+ 0x30: ['ADDRESS', 2, 0, 1, true],
35+ 0x31: ['BALANCE', 20, 1, 1, true],
36+ 0x32: ['ORIGIN', 2, 0, 1, true],
37+ 0x33: ['CALLER', 2, 0, 1, true],
38+ 0x34: ['CALLVALUE', 2, 0, 1, true],
39+ 0x35: ['CALLDATALOAD', 3, 1, 1, true],
40+ 0x36: ['CALLDATASIZE', 2, 0, 1, true],
41+ 0x37: ['CALLDATACOPY', 3, 3, 0, true],
42+ 0x38: ['CODESIZE', 2, 0, 1, false],
43+ 0x39: ['CODECOPY', 3, 3, 0, false],
44+ 0x3a: ['GASPRICE', 2, 0, 1, false],
45+ 0x3b: ['EXTCODESIZE', 20, 1, 1, true],
46+ 0x3c: ['EXTCODECOPY', 20, 4, 0, true],
47+
48+ // '0x40' range - block operations
49+ 0x40: ['BLOCKHASH', 20, 1, 1, true],
50+ 0x41: ['COINBASE', 2, 0, 1, true],
51+ 0x42: ['TIMESTAMP', 2, 0, 1, true],
52+ 0x43: ['NUMBER', 2, 0, 1, true],
53+ 0x44: ['DIFFICULTY', 2, 0, 1, true],
54+ 0x45: ['GASLIMIT', 2, 0, 1, true],
55+
56+ // 0x50 range - 'storage' and execution
57+ 0x50: ['POP', 2, 1, 0, false],
58+ 0x51: ['MLOAD', 3, 1, 1, false],
59+ 0x52: ['MSTORE', 3, 2, 0, false],
60+ 0x53: ['MSTORE8', 3, 2, 0, false],
61+ 0x54: ['SLOAD', 50, 1, 1, true],
62+ 0x55: ['SSTORE', 5000, 2, 0, true],
63+ 0x56: ['JUMP', 8, 1, 0, false],
64+ 0x57: ['JUMPI', 10, 2, 0, false],
65+ 0x58: ['PC', 2, 0, 1, false],
66+ 0x59: ['MSIZE', 2, 0, 1, false],
67+ 0x5a: ['GAS', 2, 0, 1, false],
68+ 0x5b: ['JUMPDEST', 1, 0, 0, false],
69+
70+ // 0x60, range
71+ 0x60: ['PUSH', 3, 0, 1, false],
72+ 0x61: ['PUSH', 3, 0, 1, false],
73+ 0x62: ['PUSH', 3, 0, 1, false],
74+ 0x63: ['PUSH', 3, 0, 1, false],
75+ 0x64: ['PUSH', 3, 0, 1, false],
76+ 0x65: ['PUSH', 3, 0, 1, false],
77+ 0x66: ['PUSH', 3, 0, 1, false],
78+ 0x67: ['PUSH', 3, 0, 1, false],
79+ 0x68: ['PUSH', 3, 0, 1, false],
80+ 0x69: ['PUSH', 3, 0, 1, false],
81+ 0x6a: ['PUSH', 3, 0, 1, false],
82+ 0x6b: ['PUSH', 3, 0, 1, false],
83+ 0x6c: ['PUSH', 3, 0, 1, false],
84+ 0x6d: ['PUSH', 3, 0, 1, false],
85+ 0x6e: ['PUSH', 3, 0, 1, false],
86+ 0x6f: ['PUSH', 3, 0, 1, false],
87+ 0x70: ['PUSH', 3, 0, 1, false],
88+ 0x71: ['PUSH', 3, 0, 1, false],
89+ 0x72: ['PUSH', 3, 0, 1, false],
90+ 0x73: ['PUSH', 3, 0, 1, false],
91+ 0x74: ['PUSH', 3, 0, 1, false],
92+ 0x75: ['PUSH', 3, 0, 1, false],
93+ 0x76: ['PUSH', 3, 0, 1, false],
94+ 0x77: ['PUSH', 3, 0, 1, false],
95+ 0x78: ['PUSH', 3, 0, 1, false],
96+ 0x79: ['PUSH', 3, 0, 1, false],
97+ 0x7a: ['PUSH', 3, 0, 1, false],
98+ 0x7b: ['PUSH', 3, 0, 1, false],
99+ 0x7c: ['PUSH', 3, 0, 1, false],
100+ 0x7d: ['PUSH', 3, 0, 1, false],
101+ 0x7e: ['PUSH', 3, 0, 1, false],
102+ 0x7f: ['PUSH', 3, 0, 1, false],
103+
104+ 0x80: ['DUP', 3, 0, 1, false],
105+ 0x81: ['DUP', 3, 0, 1, false],
106+ 0x82: ['DUP', 3, 0, 1, false],
107+ 0x83: ['DUP', 3, 0, 1, false],
108+ 0x84: ['DUP', 3, 0, 1, false],
109+ 0x85: ['DUP', 3, 0, 1, false],
110+ 0x86: ['DUP', 3, 0, 1, false],
111+ 0x87: ['DUP', 3, 0, 1, false],
112+ 0x88: ['DUP', 3, 0, 1, false],
113+ 0x89: ['DUP', 3, 0, 1, false],
114+ 0x8a: ['DUP', 3, 0, 1, false],
115+ 0x8b: ['DUP', 3, 0, 1, false],
116+ 0x8c: ['DUP', 3, 0, 1, false],
117+ 0x8d: ['DUP', 3, 0, 1, false],
118+ 0x8e: ['DUP', 3, 0, 1, false],
119+ 0x8f: ['DUP', 3, 0, 1, false],
120+
121+ 0x90: ['SWAP', 3, 0, 0, false],
122+ 0x91: ['SWAP', 3, 0, 0, false],
123+ 0x92: ['SWAP', 3, 0, 0, false],
124+ 0x93: ['SWAP', 3, 0, 0, false],
125+ 0x94: ['SWAP', 3, 0, 0, false],
126+ 0x95: ['SWAP', 3, 0, 0, false],
127+ 0x96: ['SWAP', 3, 0, 0, false],
128+ 0x97: ['SWAP', 3, 0, 0, false],
129+ 0x98: ['SWAP', 3, 0, 0, false],
130+ 0x99: ['SWAP', 3, 0, 0, false],
131+ 0x9a: ['SWAP', 3, 0, 0, false],
132+ 0x9b: ['SWAP', 3, 0, 0, false],
133+ 0x9c: ['SWAP', 3, 0, 0, false],
134+ 0x9d: ['SWAP', 3, 0, 0, false],
135+ 0x9e: ['SWAP', 3, 0, 0, false],
136+ 0x9f: ['SWAP', 3, 0, 0, false],
137+
138+ 0xa0: ['LOG', 375, 2, 0, false],
139+ 0xa1: ['LOG', 375, 3, 0, false],
140+ 0xa2: ['LOG', 375, 4, 0, false],
141+ 0xa3: ['LOG', 375, 5, 0, false],
142+ 0xa4: ['LOG', 375, 6, 0, false],
143+
144+ // '0xf0' range - closures
145+ 0xf0: ['CREATE', 32000, 3, 1, true],
146+ 0xf1: ['CALL', 40, 7, 1, true],
147+ 0xf2: ['CALLCODE', 40, 7, 1, true],
148+ 0xf3: ['RETURN', 0, 2, 0, false],
149+ 0xf4: ['DELEGATECALL', 40, 6, 1, true],
150+
151+ // '0x70', range - other
152+ 0xff: ['SUICIDE', 0, 1, 0, false]
153+}
154+
155+module.exports = function (op) {
156+ const code = codes[op] ? codes[op] : ['INVALID', 0]
157+ let opcode = code[0]
158+ let number
159+
160+ switch (opcode) {
161+ case 'LOG':
162+ number = op - 0xa0
163+ break
164+
165+ case 'PUSH':
166+ number = op - 0x5f
167+ break
168+
169+ case 'DUP':
170+ number = op - 0x7f
171+ break
172+
173+ case 'SWAP':
174+ number = op - 0x8f
175+ break
176+ }
177+
178+ return {
179+ name: opcode,
180+ fee: code[1],
181+ in: code[2],
182+ out: code[3],
183+ dynamic: code[4],
184+ async: code[5],
185+ number: number
186+ }
187+}

Built with git-ssb-web