Date: Fri, 8 Oct 1999 09:52:41 +0200
From: Laszlo Molnar <laszlo DOT molnar AT eth DOT ericsson DOT se>
To: djgpp AT delorie DOT com
Subject: Re: UPX 0.84 executable packer
Message-ID: <19991008095240.D10324@crater.eth.ericsson.se>
References: <7tgor9$d56$1 AT solomon DOT cs DOT rose-hulman DOT edu>
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In-Reply-To: <7tgor9$d56$1@solomon.cs.rose-hulman.edu>; from Damian Yerrick on Wed, Oct 06, 1999 at 07:15:43PM -0500
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On Wed, Oct 06, 1999 at 07:15:43PM -0500, Damian Yerrick wrote:
> Laszlo Molnar <laszlo DOT molnar AT eth DOT ericsson DOT se> wrote in message
> > UPX can pack (and unpack) the following executable formats:
> >         dos/exe, dos/sys, dos/com, djgpp2/coff, watcom/le,
> >         win32/pe, etc.
> I tried to compress a Win32 pe. However, when I tried to unpack
> it using upx -d foo.exe, it said "not implemented."

It will be availvable in 0.90.

> > Changes in 0.84 (04 Oct 1999)
> >   * dos/exe: fixed a rare problem where the decompressor could crash
> >   * some other minor fixes
> Is pe unpacking one of the "other minor fixes"?

No.

> > As we mentioned above this is a BETA TEST release, so DO NOT USE THIS
> > VERSION EXCEPT FOR TESTING. Only compress backups of your executables.
> Or compress executables that you built. (The Allegro examples come
> to mind.) Or are executables considered "backups" of source code?
> It seems to work just fine for compressing a DJGPP COFF known as
> dosarena.exe

Well, this is just a warning, upx is quite stable already. Especially
the djgpp/coff stuff which is based on DJP, so it's more than 3 years
old yet. But the PE stuff is perfect yet.

Laszlo