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#------------------------------------------------------------------------------
# mach file description
#
# Since Java bytecode and Mach-O fat-files have the same magic number the test
# must be preformed in the same "magic" sequence to get both right. The long
# at offset 4 in a fat file tells the number of architectures. The short at
# offset 4 in a Java bytecode file is the compiler minor version and the
# short at offset 6 is the compiler major version. Since there are only
# only 18 labeled Mach-O architectures at current, and the first released
# Java class format was version 43.0, we can safely choose any number
# between 18 and 39 to test the number of architectures against
# (and use as a hack).
#
0 belong 0xcafebabe
>4 belong >19 compiled Java class data,
>>6 beshort x version %d.
>>4 beshort x \b%d
>4 belong 1 Mach-O fat file with 1 architecture
>4 belong >1
# The following is necessary to support java class files.
>>4 belong <20 Mach-O fat file with %ld architectures
#>>4 belong <0xffff Mach-O fat file with %ld architectures
#
0 lelong&0xfeffffff 0xfeedface Mach-O
>0 byte 0xcf 64-bit
>12 lelong 1 object
>12 lelong 2 executable
>12 lelong 3 fixed virtual memory shared library
>12 lelong 4 core
>12 lelong 5 preload executable
>12 lelong 6 dynamically linked shared library
>12 lelong 7 dynamic linker
>12 lelong 8 bundle
>12 lelong 9 dynamically linked shared library stub
>12 lelong >9
>>12 lelong x filetype=%ld
>4 lelong <0
>>4 lelong x architecture=%ld
>4 lelong 1 vax
>4 lelong 2 romp
>4 lelong 3 architecture=3
>4 lelong 4 ns32032
>4 lelong 5 ns32332
>4 lelong 6 m68k
>4 lelong 7 i386
>4 lelong 8 mips
>4 lelong 9 ns32532
>4 lelong 10 architecture=10
>4 lelong 11 hppa
>4 lelong 12 acorn
>4 lelong 13 m88k
>4 lelong 14 sparc
>4 lelong 15 i860-big
>4 lelong 16 i860
>4 lelong 17 rs6000
>4 lelong 18 ppc
>4 lelong 16777234 ppc64
>4 lelong >16777234
>>4 lelong x architecture=%ld
#
0 belong&0xfffffffe 0xfeedface Mach-O
>3 byte 0xcf 64-bit
>12 belong 1 object
>12 belong 2 executable
>12 belong 3 fixed virtual memory shared library
>12 belong 4 core
>12 belong 5 preload executable
>12 belong 6 dynamically linked shared library
>12 belong 7 dynamic linker
>12 belong 8 bundle
>12 belong 9 dynamically linked shared library stub
>12 belong >9
>>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 hppa
>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 ppc
>4 belong 16777234 ppc64
>4 belong >16777234
>>4 belong x architecture=%ld
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