Decompile...
Ian Flanigan
flan@extempo.com
Wed Jul 22 17:12:00 GMT 1998
Fred Reimer wrote:
>
> I would think that it would be possible to create cryptic C code for an exe
> that at least shows the types of variables passed between functions and the
> auto variables used within the function in addition to the general flow of
> the function.
Actually, there have been many decompiler projects in the past. One was
used to de-compile the Internet Worm back in '88. I had another for
MSDOS around '90 or so. The one used on the worm, if I recall
correctly, made use of some "features" of the code generation routines
in pcc (the old portable C compiler on which nearly all C compilers
shipped with UNIX used to be derived from) to re-generate the source
code. The MSDOS one was just nasty and basically turned assembly code
into C, complete with bit shifts and carry testing. It was gross and
unuseful.
Ian
---
flan@lean.to
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