Files

111 lines
2.9 KiB
Python

import sys
from .base import R2Base, Result, ResultArray
PYTHON_VERSION = sys.version_info[0]
class CPU(R2Base):
def __init__(self, r2):
super(CPU, self).__init__(r2)
def readRegister(self, reg_name):
res = self._exec("drj", json=True)
try:
return res[reg_name]
except:
return None
def writeRegister(self, reg_name, value):
res = self._exec("dr %s=%s" % (reg_name, value))
if res == "":
raise ValueError("Ivalid register %s" % reg_name)
def registers(self):
return self._exec("drj", json=True)
def __str__(self):
regs = self.registers()
if PYTHON_VERSION == 3:
items = regs.items()
else:
items = regs.iteritems()
ret_str = ""
for r, v in items:
ret_str += "{:<10}{:#016x}\n".format(r, v)
return ret_str
def __getattr__(self, attr):
if attr in self.registers().keys():
return self.readRegister(attr)
def __setattr__(self, attr, value):
if attr == "r2":
# Hack to avoid infite recursion, maybe there's a better solution
self.__dict__[attr] = value
else:
if attr in self.registers().keys():
self.writeRegister(attr, value)
else:
self.__dict__[attr] = value
class Debugger(R2Base):
def __init__(self, r2):
super(Debugger, self).__init__(r2)
self.cpu = CPU(r2)
self._untilCall = False
self._untilUnknownCall = False
self._untilRet = False
self.listBreakpoints = lambda: ResultArray(self._exec("dbj", json=True))
self.step = lambda: self._exec("ds")
self.memoryMaps = lambda: ResultArray(self._exec("dmj", json=True))
self.backtrace = lambda: self._exec("dbtj", json=True)
def start(self):
self._exec("doo")
def cont(self):
if self._untilCall:
self._exec("dcc")
elif self._untilUnknownCall:
self._exec("dccu")
elif self._untilRet:
self._exec("dcr")
else:
self._exec("dc")
self._untilCall = False
self._untilRet = False
self._untilUnknownCall = False
def untilCall(self):
self._untilCall = True
return self
def untilRet(self):
self._untilRet = True
return self
def untilUnknownCall(self):
self._untilUnknownCall = True
return self
def setBreakpoint(self, addr=0):
if self._tmp_off != "":
# '@ foo' -> 'foo'
addr = self._tmp_off[2:]
self._exec("db %s" % addr)
self._tmp_off = ""
def deleteBreakpoint(self, addr=0):
if self._tmp_off != "":
# '@ foo' -> 'foo'
addr = self._tmp_off[2:]
self._exec("db- %s" % addr)
self._tmp_off = ""