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#! /usr/bin/env python2
#-*- coding:utf-8 -*-
from __future__ import print_function
from argparse import ArgumentParser
from miasm2.analysis import debugging
from miasm2.jitter.csts import *
from miasm2.analysis.machine import Machine
parser = ArgumentParser(
description="""Sandbox raw binary with msp430 engine
(ex: jit_msp430.py example/msp430_sc.bin 0)""")
parser.add_argument("-t", "--trace",
help="Log instructions/registers values",
action="store_true")
parser.add_argument("-n", "--log-newbloc",
help="Log basic blocks processed by the Jitter",
action="store_true")
parser.add_argument("-j", "--jitter",
help="Jitter engine (default is 'gcc')",
default="gcc")
parser.add_argument("-d", "--debugging",
help="Attach a CLI debugguer to the sandboxed program",
action="store_true")
parser.add_argument("binary",
help="binary to run")
parser.add_argument("addr",
help="start exec on addr")
machine = Machine("msp430")
def jit_msp430_binary(args):
filepath, entryp = args.binary, int(args.addr, 0)
myjit = machine.jitter(jit_type = args.jitter)
myjit.init_stack()
# Log level (if available with jitter engine)
myjit.set_trace_log(
trace_instr=args.trace,
trace_regs=args.trace,
trace_new_blocks=args.log_newbloc
)
myjit.vm.add_memory_page(
0,
PAGE_READ | PAGE_WRITE,
open(filepath, "rb").read()
)
myjit.add_breakpoint(0x1337, lambda _: exit(0))
# for stack
myjit.vm.add_memory_page(0xF000, PAGE_READ | PAGE_WRITE, b"\x00"*0x1000)
myjit.cpu.SP = 0xF800
myjit.push_uint16_t(0x1337)
myjit.init_run(entryp)
# Handle debugging
if args.debugging is True:
dbg = debugging.Debugguer(myjit)
cmd = debugging.DebugCmd(dbg)
cmd.cmdloop()
else:
print(myjit.continue_run())
if __name__ == '__main__':
args = parser.parse_args()
jit_msp430_binary(args)
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