unicorn/bindings/python/sample_arm64.py

68 lines
1.9 KiB
Python
Executable File

#!/usr/bin/env python
# Sample code for ARM64 of Unicorn. Nguyen Anh Quynh <aquynh@gmail.com>
# Python sample ported by Loi Anh Tuan <loianhtuan@gmail.com>
from __future__ import print_function
from unicorn import *
from unicorn.arm64_const import *
# code to be emulated
ARM64_CODE = "\xab\x01\x0f\x8b" #add x11, x13, x15
# memory address where emulation starts
ADDRESS = 0x10000
# callback for tracing basic blocks
def hook_block(uc, address, size, user_data):
print(">>> Tracing basic block at 0x%x, block size = 0x%x" %(address, size))
# callback for tracing instructions
def hook_code(uc, address, size, user_data):
print(">>> Tracing instruction at 0x%x, instruction size = %u" %(address, size))
# Test ARM64
def test_arm64():
print("Emulate ARM64 code")
try:
# Initialize emulator in ARM mode
mu = Uc(UC_ARCH_ARM64, UC_MODE_ARM)
# map 2MB memory for this emulation
mu.mem_map(ADDRESS, 2 * 1024 * 1024)
# write machine code to be emulated to memory
mu.mem_write(ADDRESS, ARM64_CODE)
# initialize machine registers
mu.reg_write(UC_ARM64_REG_X11, 0x1234)
mu.reg_write(UC_ARM64_REG_X13, 0x6789)
mu.reg_write(UC_ARM64_REG_X15, 0x3333)
# tracing all basic blocks with customized callback
mu.hook_add(UC_HOOK_BLOCK, hook_block)
# tracing all instructions with customized callback
mu.hook_add(UC_HOOK_CODE, hook_code)
# emulate machine code in infinite time
mu.emu_start(ADDRESS, ADDRESS + len(ARM64_CODE))
# now print out some registers
print(">>> Emulation done. Below is the CPU context")
x11 = mu.reg_read(UC_ARM64_REG_X11)
x13 = mu.reg_read(UC_ARM64_REG_X13)
x15 = mu.reg_read(UC_ARM64_REG_X15)
print(">>> X11 = 0x%x" %x11)
except UcError as e:
print("ERROR: %s" % e)
if __name__ == '__main__':
test_arm64()