Mail Archives: djgpp/1999/10/06/21:59:04
From: | "Damian Yerrick" <web DOT poison AT pineight DOT 8m DOT com>
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Newsgroups: | comp.os.msdos.djgpp
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Subject: | Re: UPX 0.84 executable packer
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Date: | Wed, 6 Oct 1999 19:15:43 -0500
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Organization: | Rose-Hulman Institute of Technology
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Lines: | 44
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Message-ID: | <7tgor9$d56$1@solomon.cs.rose-hulman.edu>
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References: | <199910052233 DOT SAA04210 AT delorie DOT com>
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To: | djgpp AT delorie DOT com
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DJ-Gateway: | from newsgroup comp.os.msdos.djgpp
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Reply-To: | djgpp AT delorie DOT com
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Laszlo Molnar <laszlo DOT molnar AT eth DOT ericsson DOT se> wrote in message
news:199910052233 DOT SAA04210 AT delorie DOT com...
> Dear audience,
>
> we are pleased to announce the next public beta release of
> our new executable packer UPX. The Ultimate Packer for
> eXecutables is a portable, extensible, high-performance
> executable packer for several different executable formats.
> It achieves an excellent compression ratio
Better than Zip, I might add.
> and offers *very* fast decompression.
It decompresses faster on modern computers than you can
load the other half of the program from a typical hard disk.
> 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."
> 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"?
> 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
Damian Yerrick
http://come.to/yerrick
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