Exemple #1
0
def do_switch_or_return(ea):
    if ida.is_ret_insn(ea):
        return c_ast.Return(None)
    else:  # switch
        try:
            sw = ida.switch_cases(ea)
        except ida.NoSwitchError:
            raise utils.BugError('unhandled jr at ea %s' % ida.atoa(ea))

        default = sw.default
        defexpr = [c_ast.Default([c_ast.Goto(ida.name(default))])]
        cases = list(c_ast.Case(c_ast.Constant('int', str(addr)),
                                [c_ast.Goto(ida.name(loc))])
                     for (addr, loc) in sw.cases.iteritems())
        (mnem, opnd, opn) = data.get_swval(ea)
        swval = fmt_op(opnd, mnem, opn)
        return c_ast.Switch(swval, c_ast.Compound(cases + defexpr))
Exemple #2
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 def labelize(ea, stmt):
     if from_delay is False:
         label = ida.name(ea)
         if label != '':
             return c_ast.Label(label, stmt)
         else:
             return stmt
     else:
         return stmt
Exemple #3
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def get_callee(ea, mnem, args):
    """ea_t -> str -> formatter_args -> str"""
    # XXX we don't handle function pointers yet, but it should be easy now that
    # we handle all internal functions as having the same signature...i think
    if mnem == "jalr":
        nn = ida.netnode("$ mips")
        fun = nn.altval(ea) - 1
        if fun == -1:
            raise FunctionPointerError("unknown target for function pointer at %s" % ida.atoa(ea))
        return ida.name(fun)
    elif mnem == "jal":
        return args["rs"].name
    else:
        raise utils.BugError("unhandled call insn: %s" % mnem)
Exemple #4
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def get_callee(ea, mnem, args):
    '''ea_t -> str -> formatter_args -> str'''
    # XXX we don't handle function pointers yet, but it should be easy now that
    # we handle all internal functions as having the same signature...i think
    if mnem == 'jalr':
        nn = ida.netnode('$ mips')
        fun = nn.altval(ea) - 1
        if fun == -1:
            raise FunctionPointerError('unknown target for function pointer at %s' % ida.atoa(ea))
        return ida.name(fun)
    elif mnem == 'jal':
        return args['rs'].name
    else:
        raise utils.BugError('unhandled call insn: %s' % mnem)
Exemple #5
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def get_callee(ea, mnem, args):
    '''ea_t -> str -> formatter_args -> str'''
    # XXX we don't handle function pointers yet, but it should be easy now that
    # we handle all internal functions as having the same signature...i think
    if mnem == 'jalr':
        nn = ida.netnode('$ mips')
        fun = nn.altval(ea) - 1
        if fun == -1:
            raise FunctionPointerError(
                'unknown target for function pointer at %s'
                % ida.atoa(ea))
        return ida.name(fun)
    elif mnem == 'jal':
        return args['rs'].name
    else:
        raise utils.BugError('unhandled call insn: %s' % mnem)
Exemple #6
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 def get_tinfo_and_declstr(ea):
     ti = ida.get_or_guess_tinfo(ea)
     return (ti, ea, ida.print_tinfo(ida.name(ea), ti))