magic/Magdir/pdp - master - githubmirror/file

magic/Magdir/pdp

51 строка2 KB

Christos Zoulas

Differentiate between pdp, mmdf, and targa to recognize C64 disk

29 фев 2024, 06:40

29 фев 2024, 06:4053340ff


#------------------------------------------------------------------------------
# $File: pdp,v 1.12 2024/02/29 03:40:37 christos Exp $
# pdp:  file(1) magic for PDP-11 executable/object and APL workspace
# URL: 	https://en.wikipedia.org/wiki/PDP-11
#
0	lelong		0101555		PDP-11 single precision APL workspace
0	lelong		0101554		PDP-11 double precision APL workspace
#
# PDP-11 a.out
#
0	leshort		0407		PDP-11 executable
>8	leshort		>0		not stripped
>15	byte		>0		- version %d

# updated by Joerg Jenderek at Mar 2013, Feb 2024
# GRR: line below too general as it catches also Windows precompiled setup information *.PNF
0	leshort		0401
# PDP-11 UNIX/RT ldp (strength=50=50+0) after D64 Image (strength=70=70+0 ./c64) and MMDF mailbox (strength=70=70+0 ./mmdf)
#!:strength +0
# skip *.PNF with WinDirPathOffset 58h
>68	ulelong		!0x00000058
# skip *.PNF with high byte of InfVersionDatumCount zero
#>>15	byte		!0		PDP-11 UNIX/RT ldp
# skip few Commodore D64 disc image like "The Great Gianna Sisters.d64" initialized with ^A and handled by ./c64 
>>8	quad		!0x0101010101010101
# skip MMDF mailbox like maillog.expected.2 with MBOX characteristic near the beginning handled by ./mmdf 
>>>5	search/610/b	From\ 
>>>5	default		x		PDP-11 UNIX/RT ldp
#!:mime	application/octet-stream
#!:ext	foo
0	leshort		0405		PDP-11 old overlay

0	leshort		0410		PDP-11 pure executable
>8	leshort		>0		not stripped
>15	byte		>0		- version %d

0	leshort		0411		PDP-11 separate I&D executable
>8	leshort		>0		not stripped
>15	byte		>0		- version %d

0	leshort		0437		PDP-11 kernel overlay

# These last three are derived from 2.11BSD file(1)
0	leshort		0413		PDP-11 demand-paged pure executable
>8	leshort		>0		not stripped

0	leshort		0430		PDP-11 overlaid pure executable
>8	leshort		>0		not stripped

0	leshort		0431		PDP-11 overlaid separate executable
>8	leshort		>0		not stripped