unicorn/regress/crash_tb.py

#!/usr/bin/python

from unicorn import *
from unicorn.x86_const import *


CODE_ADDR = 0x0


binary1 = b'\xb8\x02\x00\x00\x00'
binary2 = b'\xb8\x01\x00\x00\x00'

mu = Uc(UC_ARCH_X86, UC_MODE_64)

mu.mem_map(CODE_ADDR, 2 * 1024 * 1024)

# write machine code to be emulated to memory
mu.mem_write(CODE_ADDR, binary1)

# emu for maximum 1 sec.
mu.emu_start(CODE_ADDR, len(binary1), UC_SECOND_SCALE)

print("RAX = %x" %mu.reg_read(UC_X86_REG_RAX))

# write machine code to be emulated to memory
mu.mem_write(CODE_ADDR, binary2)

# emu for maximum 1 sec.
mu.emu_start(CODE_ADDR, len(binary2), UC_SECOND_SCALE)

print("RAX = %x" %mu.reg_read(UC_X86_REG_RAX))