def disasm(self, _range=None):
self.setRowCount(0)
if _range:
self.range = _range
if self.range is None:
return 1
if len(self.history) == 0 or self.history[
len(self.history) - 1] != self.range.start_address:
self.history.append(self.range.start_address)
if len(self.history) > 25:
self.history.pop(0)
md = Cs(self.cs_arch, self.cs_mode)
md.detail = True
insts = 0
for i in md.disasm(self.range.data[self.range.start_offset:],
self.range.start_address):
if insts > 128:
break
instruction = Instruction(self.dwarf, i)
row = self.rowCount()
self.insertRow(row)
w = MemoryAddressWidget('0x%x' % i.address)
w.setFlags(Qt.NoItemFlags)
w.setForeground(Qt.red)
w.set_offset(self.range.base - i.address)
self.setItem(row, 0, w)
w = NotEditableTableWidgetItem(
binascii.hexlify(instruction.bytes).decode('utf8'))
w.setFlags(Qt.NoItemFlags)
w.setForeground(Qt.darkYellow)
self.setItem(row, 1, w)
if instruction.is_jump and instruction.jump_address != 0:
w = MemoryAddressWidget(instruction.op_str)
w.set_address(instruction.jump_address)
else:
w = NotEditableTableWidgetItem(instruction.op_str)
w.setFlags(Qt.NoItemFlags)
w.setForeground(Qt.lightGray)
self.setItem(row, 3, w)
w = NotEditableTableWidgetItem(instruction.mnemonic.upper())
w.setFlags(Qt.NoItemFlags)
w.setForeground(Qt.white)
w.setTextAlignment(Qt.AlignCenter)
w.setFont(QFont(None, 11, QFont.Bold))
self.setItem(row, 2, w)
if instruction.symbol_name is not None:
w = NotEditableTableWidgetItem(
'%s (%s)' %
(instruction.symbol_name, instruction.symbol_module))
w.setFlags(Qt.NoItemFlags)
w.setForeground(Qt.lightGray)
self.setItem(row, 4, w)
insts += 1
self.scrollToTop()
return 0
def add_hook(self, emulator, instruction):
# check if the previous hook is waiting for a register result
if self._require_register_result is not None:
res = '%s = %s' % (
self._require_register_result[1],
hex(emulator.uc.reg_read(self._require_register_result[0])))
self.setItem(self.rowCount() - 1, 4,
NotEditableTableWidgetItem(res))
# invalidate
self._require_register_result = None
# check if the code jumped
if self._last_instruction_address > 0:
if instruction.address > self._last_instruction_address + self.app.get_dwarf().pointer_size or\
instruction.address < self._last_instruction_address:
# insert an empty line
self.insertRow(self.rowCount())
self._last_instruction_address = instruction.address
row = self.rowCount()
self.insertRow(row)
address = instruction.address
if instruction.thumb:
address = address | 1
w = MemoryAddressWidget('0x%x' % address)
w.setFlags(Qt.NoItemFlags)
w.setForeground(Qt.red)
self.setItem(row, 0, w)
w = NotEditableTableWidgetItem(
binascii.hexlify(instruction.bytes).decode('utf8'))
w.setFlags(Qt.NoItemFlags)
w.setForeground(Qt.darkYellow)
self.setItem(row, 1, w)
if instruction.is_jump and instruction.jump_address != 0:
w = MemoryAddressWidget(instruction.op_str)
w.set_address(instruction.jump_address)
else:
w = NotEditableTableWidgetItem(instruction.op_str)
w.setFlags(Qt.NoItemFlags)
w.setForeground(Qt.lightGray)
self.setItem(row, 3, w)
w = NotEditableTableWidgetItem(instruction.mnemonic.upper())
w.setFlags(Qt.NoItemFlags)
w.setForeground(Qt.white)
w.setTextAlignment(Qt.AlignCenter)
w.setFont(QFont(None, 11, QFont.Bold))
self.setItem(row, 2, w)
# implicit regs read are notified later through mem access
if len(instruction.regs_read) == 0:
if len(instruction.operands) > 0:
for i in instruction.operands:
if i.type == CS_OP_REG:
self._require_register_result = [
i.value.reg,
instruction.reg_name(i.value.reg)
]
break
if instruction.symbol_name is not None:
w = NotEditableTableWidgetItem(
'%s (%s)' %
(instruction.symbol_name, instruction.symbol_module))
w.setFlags(Qt.NoItemFlags)
w.setForeground(Qt.lightGray)
self.setItem(row, 4, w)
self.scrollToBottom()
