Groups > alt.folklore.computers > #216066

Re: AI and decompilation?

From	gareth evans <headstone255@yahoo.com>
Newsgroups	alt.folklore.computers, comp.sys.raspberry-pi
Subject	Re: AI and decompilation?
Date	2021-01-05 22:52 +0000
Organization	A noiseless patient Spider
Message-ID	<rt2qjt$h9p$2@dont-email.me> (permalink)
References	(1 earlier) <rsv3vp$3a3$1@dont-email.me> <rsvkik$2s5$2@dont-email.me> <rt030d$k64$1@dont-email.me> <aag7vf5rm0mfmfthbkcfp60sm0g0ks7hie@4ax.com> <1749007502.631567591.246155.peter_flass-yahoo.com@news.eternal-september.org>

Cross-posted to 2 groups.

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On 05/01/2021 21:06, Peter Flass wrote:
> J. Clarke <jclarke.873638@gmail.com> wrote:
>> On Mon, 4 Jan 2021 21:57:32 +0000, Pancho
>> <Pancho.Dontmaileme@outlook.com> wrote:
>>
>>> On 04/01/2021 17:51, gareth evans wrote:
>>>> On 04/01/2021 13:08, Pancho wrote:
>>>>> On 04/01/2021 11:00, gareth evans wrote:
>>>>>> Thinking back to my first job, nearly 50 years ago now,
>>>>>> when I had to dis-assemble DEC's paper tape BASIC
>>>>>> interpreter in order to enhance it, I guess that
>>>>>> dis-assemblers and decompilers must now be ten-a-penny,
>>>>>> especially for programs running under Windows where
>>>>>> the structure of Windows programs is well-known with
>>>>>> an assumption that C was the source language?
>>>>>>
>>>>>> But I wonder if Artificial Intelligence could, after
>>>>>> being fed with numerous instruction sets, take a
>>>>>> block of binary, and analyse its source without
>>>>>> any prior knowledge of the instruction set?
>>>>>>
>>>>>> I am particularly interested in the Binary Blob
>>>>>> provided for Raspberry Pi computers, with a view to
>>>>>> getting detailed knowledge of the video processors
>>>>>> employed therein.
>>>>>>
>>>>> I think a lot of the problem is defining the question.
>>>>>
>>>>> What do you want it to do?
>>>>>
>>>>
>>>> I don't want it to do anything. I want to play at a low level
>>>> with the thing ... large oaks from little acorns grow.
>>>>
>>>
>>> Play with what thing?
>>
>> The pieces of the hardware supported by the Blob.
>>
>>> What is an instruction set,
>>
>> The list of binary codes that tell the procesor what to do.
>>
>>> what is the Binary Blob?
>>
>> On the Raspberry Pi it is the non-Open-Source proprietary code that is
>> provided by the chip manufacturer, including parts of the boot loader
>> and the 3D drivers among other things.
>>
>>> Why do you need an AI?
>>
>> Why not?
>>
>>> Most compilers leave fingerprints on executables you don't need an AI to
>>> detect them. I remember decompiling in the early 80's but complex modern
>>> code can often be a challenge to naively reverse engineer a high level
>>> understanding from even if you do have source code. Take away sensible
>>> variable and function names and you are stuffed.
>>
>> He's talking about something that you can give a pile of object code
>> from an unknown source (I mean _really_ unknown--it could be for Z/OS
>> or a VAX or Intel or Alpha or any other architecture, compiled from C
>> or PL/I or Fortran or pick a language at random, with it figuring from
>> there what the code does.
>>
>
> The object code format would give you a clue, at least for most mainstream
> architectures.
>

In the case of the RPi GPU the format is completley unknown.

Thread

AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-04 11:00 +0000
  Re: AI and decompilation? Ahem A Rivet's Shot <steveo@eircom.net> - 2021-01-04 11:42 +0000
  Re: AI and decompilation? Pancho <Pancho.Dontmaileme@outlook.com> - 2021-01-04 13:08 +0000
    Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-04 17:51 +0000
      Re: AI and decompilation? Pancho <Pancho.Dontmaileme@outlook.com> - 2021-01-04 21:57 +0000
        Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-04 22:23 +0000
          Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-04 23:09 +0000
        Re: AI and decompilation? Dan Espen <dan1espen@gmail.com> - 2021-01-04 17:50 -0500
          Re: AI and decompilation? Pancho <Pancho.Dontmaileme@outlook.com> - 2021-01-04 23:00 +0000
            Re: AI and decompilation? Peter Flass <peter_flass@yahoo.com> - 2021-01-04 16:59 -0700
            Re: AI and decompilation? J. Clarke <jclarke.873638@gmail.com> - 2021-01-04 20:42 -0500
              Re: AI and decompilation? Dan Espen <dan1espen@gmail.com> - 2021-01-04 20:59 -0500
            Re: AI and decompilation? Dan Espen <dan1espen@gmail.com> - 2021-01-04 20:55 -0500
              Re: AI and decompilation? Pancho <Pancho.Dontmaileme@outlook.com> - 2021-01-05 10:38 +0000
                Re: AI and decompilation? Bob Eager <news0073@eager.cx> - 2021-01-05 12:46 +0000
                Re: AI and decompilation? Pancho <Pancho.Dontmaileme@outlook.com> - 2021-01-05 13:43 +0000
                Re: AI and decompilation? Bob Eager <news0073@eager.cx> - 2021-01-05 14:23 +0000
                Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 15:22 +0000
                Re: AI and decompilation? Dan Espen <dan1espen@gmail.com> - 2021-01-05 09:05 -0500
            Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-05 10:51 +0000
              Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-05 11:52 +0000
              Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 12:06 +0000
              Re: AI and decompilation? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2021-01-05 20:12 +0000
              Re: AI and decompilation? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2021-01-05 20:12 +0000
          Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 11:45 +0000
            Re: AI and decompilation? Peter Flass <peter_flass@yahoo.com> - 2021-01-05 14:25 -0700
        Re: AI and decompilation? J. Clarke <jclarke.873638@gmail.com> - 2021-01-04 20:38 -0500
          Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 11:54 +0000
          Re: AI and decompilation? Peter Flass <peter_flass@yahoo.com> - 2021-01-05 14:06 -0700
            Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 22:52 +0000
        Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-05 10:29 +0000
  Re: AI and decompilation? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2021-01-04 11:05 -0500
    Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-04 17:07 +0000
      Re: AI and decompilation? scott@slp53.sl.home (Scott Lurndal) - 2021-01-04 17:52 +0000
        Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-05 10:28 +0000
          Re: AI and decompilation? Thomas Koenig <tkoenig@netcologne.de> - 2021-01-05 13:06 +0000
            Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-05 13:41 +0000
            Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 15:30 +0000
              Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-05 16:42 +0000
                Re: AI and decompilation? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2021-01-05 20:12 +0000
            Re: AI and decompilation? Peter Flass <peter_flass@yahoo.com> - 2021-01-05 14:25 -0700
            Re: AI and decompilation? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2021-01-06 14:17 +0200
              Re: AI and decompilation? Ahem A Rivet's Shot <steveo@eircom.net> - 2021-01-06 12:42 +0000
                Re: AI and decompilation? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2021-01-06 16:42 +0200
                Re: AI and decompilation? "Kerr-Mudd,John" <notsaying@127.0.0.1> - 2021-01-08 09:48 +0000
                Re: AI and decompilation? Ahem A Rivet's Shot <steveo@eircom.net> - 2021-01-08 10:27 +0000
              Re: AI and decompilation? usenet@only.tnx (Questor) - 2021-01-08 21:40 +0000
          Re: AI and decompilation? Peter Flass <peter_flass@yahoo.com> - 2021-01-05 14:06 -0700
            Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-05 22:27 +0000
              Re: AI and decompilation? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2021-01-06 00:14 +0000
                Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-06 08:25 +0000
                Re: AI and decompilation? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2021-01-08 21:52 -0500
                Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-09 15:37 +0000
                Re: AI and decompilation? Peter Flass <peter_flass@yahoo.com> - 2021-01-10 06:40 -0700
              Re: AI and decompilation? scott@slp53.sl.home (Scott Lurndal) - 2021-01-06 15:15 +0000
                Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-06 16:09 +0000
                Re: AI and decompilation? scott@slp53.sl.home (Scott Lurndal) - 2021-01-06 17:07 +0000
                Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-06 17:38 +0000
          Re: AI and decompilation? druck <news@druck.org.uk> - 2021-01-05 21:20 +0000
    Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-04 17:47 +0000
    Re: AI and decompilation? Dan Espen <dan1espen@gmail.com> - 2021-01-04 14:18 -0500
      Re: AI and decompilation? Peter Flass <peter_flass@yahoo.com> - 2021-01-04 16:54 -0700
    Re: AI and decompilation? Theo <theom+news@chiark.greenend.org.uk> - 2021-01-04 23:01 +0000
  Re: AI and decompilation? Eli the Bearded <*@eli.users.panix.com> - 2021-01-04 20:11 +0000
  Re: AI and decompilation? Richard Kettlewell <invalid@invalid.invalid> - 2021-01-05 09:07 +0000
    Re: AI and decompilation? Ahem A Rivet's Shot <steveo@eircom.net> - 2021-01-05 09:47 +0000
      Re: AI and decompilation? Richard Kettlewell <invalid@invalid.invalid> - 2021-01-05 11:13 +0000
        Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 12:12 +0000
          Re: AI and decompilation? Richard Kettlewell <invalid@invalid.invalid> - 2021-01-05 13:39 +0000
            Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 15:32 +0000
              Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 15:40 +0000
          Re: AI and decompilation? scott@slp53.sl.home (Scott Lurndal) - 2021-01-05 16:02 +0000
        Re: AI and decompilation? Ahem A Rivet's Shot <steveo@eircom.net> - 2021-01-05 18:27 +0000
        Re: AI and decompilation? Vir Campestris <vir.campestris@invalid.invalid> - 2021-01-05 21:15 +0000
          Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 22:54 +0000
    Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 11:56 +0000
      Re: AI and decompilation? A. Dumas <alexandre@dumas.fr.invalid> - 2021-01-05 14:11 +0000
        Re: AI and decompilation? Bob Eager <news0073@eager.cx> - 2021-01-05 14:22 +0000
        Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 15:35 +0000
          Re: AI and decompilation? Ahem A Rivet's Shot <steveo@eircom.net> - 2021-01-05 18:47 +0000
            Re: AI and decompilation? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2021-01-05 20:15 +0000
    Re: AI and decompilation? J. Clarke <jclarke.873638@gmail.com> - 2021-01-05 07:32 -0500
    Re: AI and decompilation? scott@slp53.sl.home (Scott Lurndal) - 2021-01-05 16:00 +0000
  Re: AI and decompilation? Adrian Caspersz <email@here.invalid> - 2021-01-05 11:26 +0000
    Re: AI and decompilation? Thomas Koenig <tkoenig@netcologne.de> - 2021-01-05 13:07 +0000
      Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-05 13:42 +0000
      Re: AI and decompilation? Eli the Bearded <*@eli.users.panix.com> - 2021-01-05 18:31 +0000
  Re: AI and decompilation? "K. Krause" <klemens.krause@gmx.net> - 2021-01-05 16:01 +0100
  Re: AI and decompilation? druck <news@druck.org.uk> - 2021-01-05 20:51 +0000
    Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 22:51 +0000
      Re: AI and decompilation? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2021-01-08 22:23 -0500
  Re: AI and decompilation? Andy Burns <usenet@andyburns.uk> - 2021-02-12 15:40 +0000

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