unicorn/tests/regress/x86_self_modifying.py
2016-08-14 23:21:38 -07:00

38 lines
952 B
Python
Executable file

#!/usr/bin/env python
from unicorn import *
from unicorn.x86_const import *
from struct import pack
import os
import regress
CODE_ADDR = 0x08048000
STACK_ADDR = 0x2000000
CODE = open(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'x86_self_modifying.elf')).read()
CODE_SIZE = len(CODE) + (0x1000 - len(CODE)%0x1000)
STACK_SIZE = 0x8000
ENTRY_POINT = 0x8048074
def hook_intr(uc, intno, data):
uc.emu_stop()
class SelfModifying(regress.RegressTest):
def test_self_modifying(self):
uc = Uc(UC_ARCH_X86, UC_MODE_32)
uc.mem_map(CODE_ADDR, CODE_SIZE, 5)
uc.mem_map(STACK_ADDR, STACK_SIZE, 7)
uc.mem_write(CODE_ADDR, CODE)
uc.reg_write(UC_X86_REG_ESP, STACK_ADDR + STACK_SIZE)
uc.hook_add(UC_HOOK_INTR, hook_intr)
uc.emu_start(ENTRY_POINT, -1)
retcode = uc.reg_read(UC_X86_REG_EBX)
self.assertEqual(retcode, 65)
if __name__ == '__main__':
regress.main()