file/magdir/xenix

   1
   2 #------------------------------------------------------------------------------
   3 # xenix:  file(1) magic for Microsoft Xenix
   4 #
   5 # "Middle model" stuff, and "Xenix 8086 relocatable or 80286 small
   6 # model" lifted from "magic.xenix", with comment "derived empirically;
   7 # treat as folklore until proven"
   8 #
   9 # "small model", "large model", "huge model" stuff lifted from XXX
  10 #
  11 # XXX - "x.out" collides with PDP-11 archives
  12 #
  13 0       string          core            core file (Xenix)
  14 0       byte            0x80            8086 relocatable (Microsoft)
  15 0       leshort         0xff65          x.out
  16 >2      string          __.SYMDEF        randomized
  17 >0      byte            x               archive
  18 0       leshort         0x206           Microsoft a.out
  19 >8      leshort         1               Middle model
  20 >0x1e   leshort         &0x10           overlay
  21 >0x1e   leshort         &0x2            separate
  22 >0x1e   leshort         &0x4            pure
  23 >0x1e   leshort         &0x800          segmented
  24 >0x1e   leshort         &0x400          standalone
  25 >0x1e   leshort         &0x8            fixed-stack
  26 >0x1c   byte            &0x80           byte-swapped
  27 >0x1c   byte            &0x40           word-swapped
  28 >0x10   lelong          >0              not-stripped
  29 >0x1e   leshort         ^0xc000         pre-SysV
  30 >0x1e   leshort         &0x4000         V2.3
  31 >0x1e   leshort         &0x8000         V3.0
  32 >0x1c   byte            &0x4            86
  33 >0x1c   byte            &0xb            186
  34 >0x1c   byte            &0x9            286
  35 >0x1c   byte            &0xa            386
  36 >0x1f   byte            <0x040          small model
  37 >0x1f   byte            =0x048          large model
  38 >0x1f   byte            =0x049          huge model
  39 >0x1e   leshort         &0x1            executable
  40 >0x1e   leshort         ^0x1            object file
  41 >0x1e   leshort         &0x40           Large Text
  42 >0x1e   leshort         &0x20           Large Data
  43 >0x1e   leshort         &0x120          Huge Objects Enabled
  44 >0x10   lelong          >0              not stripped
  45
  46 0       leshort         0x140           old Microsoft 8086 x.out
  47 >0x3    byte            &0x4            separate
  48 >0x3    byte            &0x2            pure
  49 >0      byte            &0x1            executable
  50 >0      byte            ^0x1            relocatable
  51 >0x14   lelong          >0              not stripped
  52
  53 0       lelong          0x206           b.out
  54 >0x1e   leshort         &0x10           overlay
  55 >0x1e   leshort         &0x2            separate
  56 >0x1e   leshort         &0x4            pure
  57 >0x1e   leshort         &0x800          segmented
  58 >0x1e   leshort         &0x400          standalone
  59 >0x1e   leshort         &0x1            executable
  60 >0x1e   leshort         ^0x1            object file
  61 >0x1e   leshort         &0x4000         V2.3
  62 >0x1e   leshort         &0x8000         V3.0
  63 >0x1c   byte            &0x4            86
  64 >0x1c   byte            &0xb            186
  65 >0x1c   byte            &0x9            286
  66 >0x1c   byte            &0x29           286
  67 >0x1c   byte            &0xa            386
  68 >0x1e   leshort         &0x4            Large Text
  69 >0x1e   leshort         &0x2            Large Data
  70 >0x1e   leshort         &0x102          Huge Objects Enabled
  71
  72 0       leshort         0x580           XENIX 8086 relocatable or 80286 small model