31 lines
656 B
Python
Executable File
31 lines
656 B
Python
Executable File
#!/usr/bin/python
|
|
from unicorn import *
|
|
from unicorn.x86_const import *
|
|
import regress
|
|
|
|
PAGE_SIZE = 4 * 1024
|
|
|
|
CODE = b'\xf3\xaa' # rep stosb
|
|
|
|
|
|
def hook_code(uc, addr, size, user_data):
|
|
print("hook called at %x" %addr)
|
|
|
|
class REP(regress.RegressTest):
|
|
|
|
def test_rep(self):
|
|
mu = Uc(UC_ARCH_X86, UC_MODE_32)
|
|
|
|
mu.mem_map(0, PAGE_SIZE)
|
|
mu.mem_write(0, CODE)
|
|
mu.reg_write(UC_X86_REG_ECX, 3)
|
|
mu.reg_write(UC_X86_REG_EDI, 0x100)
|
|
mu.hook_add(UC_HOOK_CODE, hook_code)
|
|
|
|
mu.emu_start(0, len(CODE))
|
|
self.assertEqual(0, mu.reg_read(UC_X86_REG_ECX))
|
|
|
|
|
|
if __name__ == '__main__':
|
|
regress.main()
|