def compute(asm, inputstate={}, debug=False): sympool = dict(regs_init) sympool.update({k: ExprInt(v, k.size) for k, v in inputstate.iteritems()}) interm = ir_arch() symexec = symbexec(interm, sympool) instr = mn.fromstring(asm, mode) code = mn.asm(instr)[0] instr = mn.dis(code, mode) instr.offset = inputstate.get(PC, 0) interm.add_instr(instr) symexec.emul_ir_blocks(instr.offset) if debug: for k, v in symexec.symbols.items(): if regs_init.get(k, None) != v: print k, v return {k: v.arg.arg for k, v in symexec.symbols.items() if k not in EXCLUDE_REGS and regs_init.get(k, None) != v}
def compute(asm, inputstate={}, debug=False): sympool = dict(regs_init) sympool.update({k: ExprInt_from(k, v) for k, v in inputstate.iteritems()}) interm = ir_arch() symexec = symbexec(interm, sympool) instr = mn.fromstring(asm, mode) code = mn.asm(instr)[0] instr = mn.dis(code, mode) instr.offset = inputstate.get(PC, 0) interm.add_instr(instr) symexec.emul_ir_blocs(interm, instr.offset) if debug: for k, v in symexec.symbols.items(): if regs_init.get(k, None) != v: print k, v return {k: v.arg.arg for k, v in symexec.symbols.items() if k not in EXCLUDE_REGS and regs_init.get(k, None) != v}
def compute(asm, inputstate={}, debug=False): sympool = dict(regs_init) sympool.update({k: ExprInt(v, k.size) for k, v in inputstate.iteritems()}) interm = ir_arch() symexec = SymbolicExecutionEngine(interm, sympool) instr = mn.fromstring(asm, mode) code = mn.asm(instr)[0] instr = mn.dis(code, mode) instr.offset = inputstate.get(PC, 0) loc_key = interm.add_instr(instr) symexec.run_at(loc_key) if debug: for k, v in symexec.symbols.items(): if regs_init.get(k, None) != v: print k, v return {k: v.arg.arg for k, v in symexec.symbols.items() if k not in EXCLUDE_REGS and regs_init.get(k, None) != v}
def compute(asm, inputstate={}, debug=False): loc_db = LocationDB() sympool = dict(regs_init) sympool.update({k: ExprInt(v, k.size) for k, v in inputstate.iteritems()}) ir_tmp = ir_arch(loc_db) ircfg = ir_tmp.new_ircfg() symexec = SymbolicExecutionEngine(ir_tmp, sympool) instr = mn.fromstring(asm, mode) code = mn.asm(instr)[0] instr = mn.dis(code, mode) instr.offset = inputstate.get(PC, 0) loc_key = ir_tmp.add_instr_to_ircfg(instr, ircfg) symexec.run_at(ircfg, loc_key) if debug: for k, v in symexec.symbols.items(): if regs_init.get(k, None) != v: print k, v return { k: v.arg.arg for k, v in symexec.symbols.items() if k not in EXCLUDE_REGS and regs_init.get(k, None) != v }
#! /usr/bin/env python2 #-*- coding:utf-8 -*- import unittest import logging from miasm2.ir.symbexec import SymbolicExecutionEngine from miasm2.arch.msp430.arch import mn_msp430 as mn, mode_msp430 as mode from miasm2.arch.msp430.sem import ir_msp430 as ir_arch from miasm2.arch.msp430.regs import * from miasm2.expression.expression import * from miasm2.core.locationdb import LocationDB logging.getLogger('cpuhelper').setLevel(logging.ERROR) EXCLUDE_REGS = set([res, ir_arch().IRDst]) def M(addr): return ExprMem(ExprInt(addr, 16), 16) def compute(asm, inputstate={}, debug=False): loc_db = LocationDB() sympool = dict(regs_init) sympool.update({k: ExprInt(v, k.size) for k, v in inputstate.iteritems()}) ir_tmp = ir_arch(loc_db) ircfg = ir_tmp.new_ircfg() symexec = SymbolicExecutionEngine(ir_tmp, sympool) instr = mn.fromstring(asm, mode) code = mn.asm(instr)[0] instr = mn.dis(code, mode)
#!/usr/bin/env python #-*- coding:utf-8 -*- import unittest import logging from miasm2.ir.symbexec import symbexec from miasm2.arch.msp430.arch import mn_msp430 as mn, mode_msp430 as mode from miasm2.arch.msp430.sem import ir_msp430 as ir_arch from miasm2.arch.msp430.regs import * from miasm2.expression.expression import * logging.getLogger('cpuhelper').setLevel(logging.ERROR) EXCLUDE_REGS = set([res, ir_arch().IRDst]) def M(addr): return ExprMem(ExprInt(addr, 16), 16) def compute(asm, inputstate={}, debug=False): sympool = dict(regs_init) sympool.update({k: ExprInt_from(k, v) for k, v in inputstate.iteritems()}) interm = ir_arch() symexec = symbexec(interm, sympool) instr = mn.fromstring(asm, mode) code = mn.asm(instr)[0] instr = mn.dis(code, mode) instr.offset = inputstate.get(PC, 0) interm.add_instr(instr) symexec.emul_ir_blocs(interm, instr.offset)