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Added PUSH0 instruction #4

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Added PUSH0 instruction #4

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36 changes: 25 additions & 11 deletions DBGEREUM.py
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Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,7 @@
0x59: ('MSIZE', 0, 0, 1, 2, 'Get the size of active memory in bytes.'),
0x5a: ('GAS', 0, 0, 1, 2, 'Get the amount of available gas, including the corresponding reduction the amount of available gas.'),
0x5b: ('JUMPDEST', 0, 0, 0, 1, 'Mark a valid destination for jumps.'),
0x5f: ('PUSH', 0, 0, 1, 0, 'Place 1 byte item on stack.'),
0x60: ('PUSH', 1, 0, 1, 0, 'Place 1 byte item on stack.'),
0x61: ('PUSH', 2, 0, 1, 0, 'Place 2-byte item on stack.'),
0x62: ('PUSH', 3, 0, 1, 0, 'Place 3-byte item on stack.'),
Expand Down Expand Up @@ -1157,11 +1158,13 @@ def disassemble(self, text = None):
check = 0

# It needs just for beautiful value representation O__o
for k in range(0, operand_size):
check += int(self.Dbgereum.bytecode[i + k + 1])
if check != 0 or operand_size == 1:
parameter += ''.join('{:02x}'.format(self.Dbgereum.bytecode[i + k + 1]))

if operand_size != 0:
for k in range(0, operand_size):
check += int(self.Dbgereum.bytecode[i + k + 1])
if check != 0 or operand_size == 1:
parameter += ''.join('{:02x}'.format(self.Dbgereum.bytecode[i + k + 1]))
else:
parameter += "00"
if self.Dbgereum.opcodes:
text.insert(INSERT, f"{breakp:<6}" + f"{hex(i):<12}" + f"{hex(self.Dbgereum.bytecode[i])[2:]:<6}" + f"{instruction + str(operand_size):<18}" + f"{'0x' + parameter:<72}" + comment + "\n")
else:
Expand Down Expand Up @@ -1357,7 +1360,10 @@ def detectIP(self, ip = None):

if instruction == "PUSH":
operand_size = _table[byte][1]
i += operand_size
if operand_size == -1:
i = 0
else:
i += operand_size
if instruction == "JUMP" or instruction == "JUMPI" or instruction == "REVERT" or instruction == "STOP":
line += 1
except:
Expand All @@ -1376,7 +1382,10 @@ def getLastOffset(self):

if instruction == "PUSH":
operand_size = _table[byte][1]
self.last_instruction += operand_size
if operand_size == 0:
self.last_instruction += 0
else:
self.last_instruction += operand_size
except:
nothing = 0
self.last_instruction += 1
Expand Down Expand Up @@ -1639,10 +1648,15 @@ def exec(self, index):
elif _table[command][0] == "PUSH":
size = _table[command][1]
parameter = ""
for i in range(0, size):
parameter += '{:02x}'.format(self.bytecode[index + i + 1])
self.stack.append(parameter)
self.ip += size + 1
if size == 0:
parameter += '00'
self.stack.append(parameter)
self.ip += 1
else:
for i in range(0, size):
parameter += '{:02x}'.format(self.bytecode[index + i + 1])
self.stack.append(parameter)
self.ip += size + 1

#POP
elif command == 0x50:
Expand Down