unicorn/bindings/python/sample_sparc.py
2016-01-25 17:42:51 +11:00

65 lines
1.8 KiB
Python
Executable File

#!/usr/bin/env python
# Sample code for SPARC 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.sparc_const import *
# code to be emulated
SPARC_CODE = "\x86\x00\x40\x02" # add %g1, %g2, %g3;
# 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 SPARC
def test_sparc():
print("Emulate SPARC code")
try:
# Initialize emulator in SPARC EB mode
mu = Uc(UC_ARCH_SPARC, UC_MODE_SPARC32|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, SPARC_CODE)
# initialize machine registers
mu.reg_write(UC_SPARC_REG_G1, 0x1230)
mu.reg_write(UC_SPARC_REG_G2, 0x6789)
mu.reg_write(UC_SPARC_REG_G3, 0x5555)
# 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(SPARC_CODE))
# now print out some registers
print(">>> Emulation done. Below is the CPU context")
g3 = mu.reg_read(UC_SPARC_REG_G3)
print(">>> G3 = 0x%x" %g3)
except UcError as e:
print("ERROR: %s" % e)
if __name__ == '__main__':
test_sparc()