2020-01-22 23:21:44 +00:00
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ooooo ooo ooooooooo. ooooooo ooooo
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`888' `8' `888 `Y88. `8888 d8'
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888 8 888 .d88' Y888..8P
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888 8 888ooo88P' `8888'
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888 8 888 .8PY888.
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`88. .8' 888 d8' `888b
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`YbodP' o888o o888o o88888o
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2000-05-19 16:04:55 +00:00
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The Ultimate Packer for eXecutables
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2021-01-01 19:39:22 +00:00
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Copyright (c) 1996-2021 Markus Oberhumer, Laszlo Molnar & John Reiser
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2016-09-19 20:41:32 +00:00
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https://upx.github.io
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2000-05-19 16:04:55 +00:00
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2000-12-20 12:03:14 +00:00
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Limitations and other things which are not (yet) supported:
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===========================================================
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djgpp2/coff
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-----------
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* all overlays (except Allegro pakfiles) are silently stripped
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2000-05-19 16:04:55 +00:00
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dos/exe
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-------
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* normal dos/exes with new exe headers
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* max ~24000 relocation records (...should be enough for everyone ;-)
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* exe + sys combined images
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2000-12-20 12:03:14 +00:00
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watcom/le
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---------
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2000-05-19 16:04:55 +00:00
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* 16-bit selector alias fixups
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2008-04-26 06:48:13 +00:00
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* 16-bit offset relocation for objects larger than 4 KiB
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2000-05-19 16:04:55 +00:00
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* 16:16 fixups
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2000-12-20 12:03:14 +00:00
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If you need any of the above (they're very rare), send us an URL of a
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2000-05-19 16:04:55 +00:00
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test file.
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* 16-bit objects are not loaded into DOS memory
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* There is still a problem with the wdosx extender: if you compress a
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2000-12-20 12:03:14 +00:00
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watcom/le file which does NOT contain the wdosx extender, and after this
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2000-05-19 16:04:55 +00:00
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you bind the wdosx stub to the compressed file, then it will work.
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Otherwise it won't.
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* unpacked pmwlite compressed programs might not work when compressed
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2000-12-20 12:03:14 +00:00
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with UPX (this is a bug in pmwunlite)
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2000-05-19 16:04:55 +00:00
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win32/pe
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--------
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2012-03-27 00:14:03 +00:00
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* writable shared sections (`--force' *may* work)
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2000-05-19 16:04:55 +00:00
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* certificates in the image
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2000-12-20 12:03:14 +00:00
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* compressing files which contain a big BSS requires lots of memory
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during compression
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2000-05-19 16:04:55 +00:00
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