OpenEuphoria

Re: Detecting a C translated bound program

• Posted by OtterDad <otter at full?m?on.com> Oct 25, 2007
• 543 views

Pete Lomax wrote:
> 
> OtterDad wrote:
> > 
> > I have a couple of programs that refuse to behave when bound into C, but 
> > behave just fine when simply bound with the interpreter.
> > Is there a way I can tell from within the bound program itself if it was 
> > translated into C so I can catch my own mistake prior to deployment?
> 
> > BTW I'm still using Euphoria Version 2.4.
> If that last point is unlikely to change, you could use the entry point:
> }}}
<eucode>
>  cl=command_line()
>  if equal(cl[1],cl[2]) then  -- prog is bound or translated
>    fn=open(cl[1],"rb")
>    void = seek(fn,#A8)
>    ep={getc(fn),getc(fn),getc(fn),getc(fn)}
>    close(fn)
>    if equal(ep,{#10,#0F,#03,#00}) then  -- Eu 2.4 exw entry point, I think
>    else                    -- assume eu2c'd
> </eucode>
{{{

> The above is completely untested, btw.
> Alternatively you could try patching a 1 at offset #7F into any .exe you
> create
> via eu2c and assume that all versions of eu (/bound files) will have a 0
> there,
> or examine the PE headers (I use OllyDebug) and see if there is anything else
> that sticks out, maybe an EC.LIB section, (I'm guessing now).
> 
> Regards,
> Pete

that's more what i was looking for. thanks pete. i'll try it and report back.

Yours, OtterDad

Don't sweat it -- it's not real life. It's only ones and zeroes. Gene Spafford