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- #------------------------------------------------------------------------------
- # $File: xenix,v 1.11 2017/03/17 21:35:28 christos Exp $
- # xenix: file(1) magic for Microsoft Xenix
- #
- # "Middle model" stuff, and "Xenix 8086 relocatable or 80286 small
- # model" lifted from "magic.xenix", with comment "derived empirically;
- # treat as folklore until proven"
- #
- # "small model", "large model", "huge model" stuff lifted from XXX
- #
- # XXX - "x.out" collides with PDP-11 archives
- #
- 0 string core core file (Xenix)
- # URL: http://www.polarhome.com/service/man/?qf=86rel&tf=2&of=Xenix
- # Reference: http://www.azillionmonkeys.com/qed/Omfg.pdf
- # Update: Joerg Jenderek
- # recordtype~TranslatorHEADerRecord
- 0 byte 0x80
- # GRR: line above is too general as it catches also Extensible storage engine DataBase
- # skip examples like GENA.SND Switch.Snd by looking for record length maximal 1024-3
- >1 uleshort <1022
- # skip examples like GAME.PICTURE Strange.Pic by looking for positiv record length
- >>1 uleshort >0
- # skip examples like Xtable.Data FRACTAL.GEN SHR.VIEW by looking for positiv string length
- >>>3 ubyte >0
- # skip examples like OMBRE.6 with "UUUUUU" by looking for filename like "hello.c"
- >>>>4 regex [a-zA-Z_/]{1,8}[.] 8086 relocatable (Microsoft)
- #!:mime application/octet-stream
- !:mime application/x-object
- !:ext o/a
- >>>>>3 pstring x \b, "%s"
- # checksum
- #>>>>>(3.b+4) ubyte x \b, checksum 0x%2.2x
- 0 leshort 0xff65 x.out
- >2 string __.SYMDEF randomized
- >0 byte x archive
- 0 leshort 0x206 Microsoft a.out
- >8 leshort 1 Middle model
- >0x1e leshort &0x10 overlay
- >0x1e leshort &0x2 separate
- >0x1e leshort &0x4 pure
- >0x1e leshort &0x800 segmented
- >0x1e leshort &0x400 standalone
- >0x1e leshort &0x8 fixed-stack
- >0x1c byte &0x80 byte-swapped
- >0x1c byte &0x40 word-swapped
- >0x10 lelong >0 not-stripped
- >0x1e leshort ^0xc000 pre-SysV
- >0x1e leshort &0x4000 V2.3
- >0x1e leshort &0x8000 V3.0
- >0x1c byte &0x4 86
- >0x1c byte &0xb 186
- >0x1c byte &0x9 286
- >0x1c byte &0xa 386
- >0x1f byte <0x040 small model
- >0x1f byte =0x048 large model
- >0x1f byte =0x049 huge model
- >0x1e leshort &0x1 executable
- >0x1e leshort ^0x1 object file
- >0x1e leshort &0x40 Large Text
- >0x1e leshort &0x20 Large Data
- >0x1e leshort &0x120 Huge Objects Enabled
- >0x10 lelong >0 not stripped
- 0 leshort 0x140 old Microsoft 8086 x.out
- >0x3 byte &0x4 separate
- >0x3 byte &0x2 pure
- >0 byte &0x1 executable
- >0 byte ^0x1 relocatable
- >0x14 lelong >0 not stripped
- 0 lelong 0x206 b.out
- >0x1e leshort &0x10 overlay
- >0x1e leshort &0x2 separate
- >0x1e leshort &0x4 pure
- >0x1e leshort &0x800 segmented
- >0x1e leshort &0x400 standalone
- >0x1e leshort &0x1 executable
- >0x1e leshort ^0x1 object file
- >0x1e leshort &0x4000 V2.3
- >0x1e leshort &0x8000 V3.0
- >0x1c byte &0x4 86
- >0x1c byte &0xb 186
- >0x1c byte &0x9 286
- >0x1c byte &0x29 286
- >0x1c byte &0xa 386
- >0x1e leshort &0x4 Large Text
- >0x1e leshort &0x2 Large Data
- >0x1e leshort &0x102 Huge Objects Enabled
- 0 leshort 0x580 XENIX 8086 relocatable or 80286 small model
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