xref: /freebsd-11.0-release/contrib/file/magic/Magdir/linux

#------------------------------------------------------------------------------
# linux:  file(1) magic for Linux files
#
# Values for Linux/i386 binaries, from Daniel Quinlan <quinlan@yggdrasil.com>
# The following basic Linux magic is useful for reference, but using
# "long" magic is a better practice in order to avoid collisions.
#
# 2	leshort		100		Linux/i386
# >0	leshort		0407		impure executable (OMAGIC)
# >0	leshort		0410		pure executable (NMAGIC)
# >0	leshort		0413		demand-paged executable (ZMAGIC)
# >0	leshort		0314		demand-paged executable (QMAGIC)
#
0	lelong		0x00640107	Linux/i386 impure executable (OMAGIC)
>16	lelong		0		\b, stripped
0	lelong		0x00640108	Linux/i386 pure executable (NMAGIC)
>16	lelong		0		\b, stripped
0	lelong		0x0064010b	Linux/i386 demand-paged executable (ZMAGIC)
>16	lelong		0		\b, stripped
0	lelong		0x006400cc	Linux/i386 demand-paged executable (QMAGIC)
>16	lelong		0		\b, stripped
#
0	string		\007\001\000	Linux/i386 object file
>20	lelong		>0x1020		\b, DLL library
# Linux-8086 stuff:
0	string		\01\03\020\04	Linux-8086 impure executable
>28	long		!0		not stripped
0	string		\01\03\040\04	Linux-8086 executable
>28	long		!0		not stripped
#
0	string		\243\206\001\0	Linux-8086 object file
#
0	string		\01\03\020\20	Minix-386 impure executable
>28	long		!0		not stripped
0	string		\01\03\040\20	Minix-386 executable
>28	long		!0		not stripped
# core dump file, from Bill Reynolds <bill@goshawk.lanl.gov>
216	lelong		0421		Linux/i386 core file
>220	string		>\0		of '%s'
>200	lelong		>0		(signal %d)
#
# LILO boot/chain loaders, from Daniel Quinlan <quinlan@yggdrasil.com>
# this can be overridden by the DOS executable (COM) entry
2	string		LILO		Linux/i386 LILO boot/chain loader
#
# Debian Packages, from Peter Tobias <tobias@server.et-inf.fho-emden.de>
0	string		0.9
>8	byte		0x0a		old Debian Binary Package
>>3	byte		>0		\b, created by dpkg 0.9%c
>>4	byte		>0		pl%c
# PSF fonts, from H. Peter Anvin <hpa@yggdrasil.com>
0	leshort		0x0436		Linux/i386 PC Screen Font data,
>2	byte		0		256 characters, no directory,
>2	byte		1		512 characters, no directory,
>2	byte		2		256 characters, Unicode directory,
>2	byte		3		512 characters, Unicode directory,
>3	byte		>0		8x%d
# Linux swap file, from Daniel Quinlan <quinlan@yggdrasil.com>
4086	string		SWAP-SPACE	Linux/i386 swap file
# ECOFF magic for OSF/1 and Linux (only tested under Linux though)
#
#	from Erik Troan (ewt@redhat.com) examining od dumps, so this
#		could be wrong
#      updated by David Mosberger (davidm@azstarnet.com) based on
#      GNU BFD and MIPS info found below.
#
0	leshort		0x0183		ECOFF alpha
>24	leshort		0407		executable
>24	leshort		0410		pure
>24	leshort		0413		demand paged
>8	long		>0		not stripped
>8	long		0		stripped
>23	leshort		>0		- version %ld.
#
# Linux kernel boot images, from Albert Cahalan <acahalan@cs.uml.edu>
# and others such as Axel Kohlmeyer <akohlmey@rincewind.chemie.uni-ulm.de>
# and Nicol�s Lichtmaier <nick@debian.org>
# All known start with: b8 c0 07 8e d8 b8 00 90 8e c0 b9 00 01 29 f6 29
514		string	HdrS		Linux kernel
>518		leshort	>0
>>529		byte	0		zImage data,
>>529		byte	1		bzImage data,
>0x048c		byte	0x31
>>0x048c	string	x		version %s
>0x0493		byte	0x31
>>0x0493	string	x		version %s
>0x048c		byte	0x32
>>0x048c	string	x		version %s
>0x0493		byte	0x32
>>0x0493	string	x		version %s
>0x04df		byte	0x32
>>0x04df	string	x		version %s
>0x04fb		byte	0x32
>>0x04fb	string	x		version %s
# This also matches new kernels, which were caught above by "HdrS".
0		belong	0xb8c0078e	Linux kernel
>0x1e3		string	Loading		version 1.3.79 or older
>0x1e9		string	Loading		from prehistoric times
# LSM entries - Nicol�s Lichtmaier <nick@feedback.net.ar>
0	string	Begin3	Linux Software Map entry text