unicorn/bindings/python/sample_m68k.py
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2016-11-19 17:17:48 +08:00

88 lines
2.9 KiB
Python
Executable file

#!/usr/bin/env python
# Sample code for ARM 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.m68k_const import *
# code to be emulated
M68K_CODE = b"\x76\xed" # movq #-19, %d3
# 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 = 0x%x" %(address, size))
# Test ARM
def test_m68k():
print("Emulate M68K code")
try:
# Initialize emulator in ARM mode
mu = Uc(UC_ARCH_M68K, UC_MODE_BIG_ENDIAN)
# 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, M68K_CODE)
# initialize machine registers
mu.reg_write(UC_M68K_REG_D3, 0x1234)
# 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(M68K_CODE))
# now print out some registers
print(">>> Emulation done. Below is the CPU context")
a0 = mu.reg_read(UC_M68K_REG_A0)
a1 = mu.reg_read(UC_M68K_REG_A1)
a2 = mu.reg_read(UC_M68K_REG_A2)
a3 = mu.reg_read(UC_M68K_REG_A3)
a4 = mu.reg_read(UC_M68K_REG_A4)
a5 = mu.reg_read(UC_M68K_REG_A5)
a6 = mu.reg_read(UC_M68K_REG_A6)
a7 = mu.reg_read(UC_M68K_REG_A7)
d0 = mu.reg_read(UC_M68K_REG_D0)
d1 = mu.reg_read(UC_M68K_REG_D1)
d2 = mu.reg_read(UC_M68K_REG_D2)
d3 = mu.reg_read(UC_M68K_REG_D3)
d4 = mu.reg_read(UC_M68K_REG_D4)
d5 = mu.reg_read(UC_M68K_REG_D5)
d6 = mu.reg_read(UC_M68K_REG_D6)
d7 = mu.reg_read(UC_M68K_REG_D7)
pc = mu.reg_read(UC_M68K_REG_PC)
sr = mu.reg_read(UC_M68K_REG_SR)
print(">>> A0 = 0x%x\t\t>>> D0 = 0x%x" % (a0, d0))
print(">>> A1 = 0x%x\t\t>>> D1 = 0x%x" % (a1, d1))
print(">>> A2 = 0x%x\t\t>>> D2 = 0x%x" % (a2, d2))
print(">>> A3 = 0x%x\t\t>>> D3 = 0x%x" % (a3, d3))
print(">>> A4 = 0x%x\t\t>>> D4 = 0x%x" % (a4, d4))
print(">>> A5 = 0x%x\t\t>>> D5 = 0x%x" % (a5, d5))
print(">>> A6 = 0x%x\t\t>>> D6 = 0x%x" % (a6, d6))
print(">>> A7 = 0x%x\t\t>>> D7 = 0x%x" % (a7, d7))
print(">>> PC = 0x%x" % pc)
print(">>> SR = 0x%x" % sr)
except UcError as e:
print("ERROR: %s" % e)
if __name__ == '__main__':
test_m68k()