mirror of
https://github.com/yuzu-emu/unicorn.git
synced 2024-12-23 18:25:28 +00:00
65 lines
1.8 KiB
Python
Executable file
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_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()
|