unicorn/tests/regress/fpu_mem_write.py
2015-09-21 20:47:45 -05:00

38 lines
983 B
Python
Executable file

#!/usr/bin/python
from unicorn import *
from unicorn.x86_const import *
import regress
ESP = 0x2000
PAGE_SIZE = 1 * 1024 * 1024
# wait
# fnstcw word ptr [esp]
# pop ecx
CODE = b'\x9B\xD9\x3C\x24\x59'
def hook_mem_write(uc, access, address, size, value, user_data):
print("mem WRITE: 0x%x, data size = %u, data value = 0x%x" % (address, size, value))
return True
class FpuWrite(regress.RegressTest):
def mem_reader(self, mu, addr, size, expected):
tmp = mu.mem_read(addr, size)
for i, e in zip(tmp, expected):
self.assertEquals(e, i)
def runTest(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_ESP, ESP)
mu.hook_add(UC_HOOK_MEM_WRITE, hook_mem_write)
mu.emu_start(0x0, 5, 0, 2)
esp = mu.reg_read(UC_X86_REG_ESP)
self.mem_reader(mu, esp, 10, [0] * 10)
if __name__ == '__main__':
regress.main()