mach

UNIX下FILE命令的实现源码

#------------------------------------------------------------------------------
# mach file description
#
0	belong		0xcafebabe	Mach-O fat file
>4	belong		1		with 1 architecture
>4	belong		>1
>>4	belong		x		with %ld architectures		
#
0	belong		0xfeedface	Mach-O
>12	belong		1		object
>12	belong		2		executable
>12	belong		3		shared library
>12	belong		4		core
>12	belong		5		preload executable
>12	belong		>5
>>12	belong		x		filetype=%ld
>4	belong		<0
>>4	belong		x		architecture=%ld
>4	belong		1		vax
>4	belong		2		romp
>4	belong		3		architecture=3
>4	belong		4		ns32032
>4	belong		5		ns32332
>4	belong		6		for m68k architecture
# from NeXTstep 3.0 <mach/machine.h>
# i.e. mc680x0_all, ignore
# >>8	belong		1		(mc68030)
>>8	belong		2		(mc68040)
>>8	belong		3		(mc68030 only)
>4	belong		7		i386
>4	belong		8		mips
>4	belong		9		ns32532
>4	belong		10		architecture=10
>4	belong		11		hp pa-risc
>4	belong		12		acorn
>4	belong		13		m88k
>4	belong		14		sparc
>4	belong		15		i860-big
>4	belong		16		i860
>4	belong		17		rs6000
>4	belong		18		powerPC
>4	belong		>18
>>4	belong		x		architecture=%ld