102 lines
3.6 KiB
Text
102 lines
3.6 KiB
Text
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#------------------------------------------------------------------------------
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# $File: xenix,v 1.14 2021/04/26 15:56:00 christos Exp $
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# xenix: file(1) magic for Microsoft Xenix
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#
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# "Middle model" stuff, and "Xenix 8086 relocatable or 80286 small
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# model" lifted from "magic.xenix", with comment "derived empirically;
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# treat as folklore until proven"
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#
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# "small model", "large model", "huge model" stuff lifted from XXX
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#
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# XXX - "x.out" collides with PDP-11 archives
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#
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0 string core core file (Xenix)
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# URL: http://www.polarhome.com/service/man/?qf=86rel&tf=2&of=Xenix
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# http://fileformats.archiveteam.org/wiki/OMF
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# Reference: http://www.azillionmonkeys.com/qed/Omfg.pdf
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# Update: Joerg Jenderek
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# recordtype~TranslatorHEADerRecord
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0 byte 0x80
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# GRR: line above is too general as it catches also Extensible storage engine DataBase,
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# all lif files like forth.lif hpcc88.lif lex90b.lif ( See ./lif)
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# and all compressed DEGAS low-res bitmaps like: MUNCHIE.PC1 PIDER1.PC1
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# skip examples like GENA.SND Switch.Snd by looking for record length maximal 1024-3
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>1 uleshort <1022
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# skip examples like GAME.PICTURE Strange.Pic by looking for positive record length
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>>1 uleshort >0
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# skip examples like Xtable.Data FRACTAL.GEN SHR.VIEW by looking for positive string length
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>>>3 ubyte >0
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# skip examples like OMBRE.6 with "UUUUUU" name by looking for valid high second record type
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>>>>(1.s+3) ubyte >0x6D 8086 relocatable (Microsoft)
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#!:mime application/octet-stream
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!:mime application/x-object
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!:ext obj/o/a
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# T-module name often source name like "hello.c" or "jmppm32.asm" in JMPPM32.OBJ or
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# "kbhit" in KBHITS.OBJ or "CAUSEWAY_KERNAL" in CWAPI.OBJ
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>>>>>3 pstring x \b, "%s"
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# data length probably lower 256 according to TrID obj_omf.trid.xml
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>>>>>1 uleshort x \b, 1st record data length %u
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# checksum
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#>>>>>(3.b+4) ubyte x \b, checksum %#2.2x
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# second recordtype: 96h~LNAMES 88h~COMENT 8CH~EXTDEF
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>>>>>(1.s+3) ubyte x \b, 2nd record type %#x
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>>>>>(1.s+4) uleshort x \b, 2nd record data length %u
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0 leshort 0xff65 x.out
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>2 string __.SYMDEF randomized
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>0 byte x archive
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0 leshort 0x206 Microsoft a.out
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>8 leshort 1 Middle model
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>0x1e leshort &0x10 overlay
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>0x1e leshort &0x2 separate
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>0x1e leshort &0x4 pure
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>0x1e leshort &0x800 segmented
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>0x1e leshort &0x400 standalone
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>0x1e leshort &0x8 fixed-stack
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>0x1c byte &0x80 byte-swapped
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>0x1c byte &0x40 word-swapped
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>0x10 lelong >0 not-stripped
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>0x1e leshort ^0xc000 pre-SysV
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>0x1e leshort &0x4000 V2.3
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>0x1e leshort &0x8000 V3.0
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>0x1c byte &0x4 86
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>0x1c byte &0xb 186
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>0x1c byte &0x9 286
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>0x1c byte &0xa 386
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>0x1f byte <0x040 small model
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>0x1f byte =0x048 large model
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>0x1f byte =0x049 huge model
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>0x1e leshort &0x1 executable
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>0x1e leshort ^0x1 object file
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>0x1e leshort &0x40 Large Text
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>0x1e leshort &0x20 Large Data
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>0x1e leshort &0x120 Huge Objects Enabled
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>0x10 lelong >0 not stripped
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0 leshort 0x140 old Microsoft 8086 x.out
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>0x3 byte &0x4 separate
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>0x3 byte &0x2 pure
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>0 byte &0x1 executable
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>0 byte ^0x1 relocatable
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>0x14 lelong >0 not stripped
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0 lelong 0x206 b.out
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>0x1e leshort &0x10 overlay
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>0x1e leshort &0x2 separate
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>0x1e leshort &0x4 pure
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>0x1e leshort &0x800 segmented
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>0x1e leshort &0x400 standalone
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>0x1e leshort &0x1 executable
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>0x1e leshort ^0x1 object file
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>0x1e leshort &0x4000 V2.3
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>0x1e leshort &0x8000 V3.0
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>0x1c byte &0x4 86
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>0x1c byte &0xb 186
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>0x1c byte &0x9 286
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>0x1c byte &0x29 286
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>0x1c byte &0xa 386
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>0x1e leshort &0x4 Large Text
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>0x1e leshort &0x2 Large Data
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>0x1e leshort &0x102 Huge Objects Enabled
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0 leshort 0x580 XENIX 8086 relocatable or 80286 small model
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