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- #------------------------------------------------------------------------------
- # $File: cafebabe,v 1.10 2012/10/31 16:32:01 christos Exp $
- # Cafe Babes unite!
- #
- # Since Java bytecode and Mach-O fat-files have the same magic number, the test
- # must be performed in the same "magic" sequence to get both right. The long
- # at offset 4 in a mach-O fat file tells the number of architectures; the short at
- # offset 4 in a Java bytecode file is the JVM minor version and the
- # short at offset 6 is the JVM 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). Let's not use 18, because the Mach-O people
- # might add another one or two as time goes by...
- #
- ### JAVA START ###
- 0 belong 0xcafebabe
- !:mime application/x-java-applet
- >4 belong >30 compiled Java class data,
- >>6 beshort x version %d.
- >>4 beshort x \b%d
- # Which is which?
- #>>4 belong 0x032d (Java 1.0)
- #>>4 belong 0x032d (Java 1.1)
- >>4 belong 0x002e (Java 1.2)
- >>4 belong 0x002f (Java 1.3)
- >>4 belong 0x0030 (Java 1.4)
- >>4 belong 0x0031 (Java 1.5)
- >>4 belong 0x0032 (Java 1.6)
- 0 belong 0xcafed00d JAR compressed with pack200,
- >>5 byte x version %d.
- >>4 byte x \b%d
- !:mime application/x-java-pack200
- 0 belong 0xcafed00d JAR compressed with pack200,
- >>5 byte x version %d.
- >>4 byte x \b%d
- !:mime application/x-java-pack200
- ### JAVA END ###
- ### MACH-O START ###
- # 16777216 = 0x01000000
- 0 name mach-o \b [
- >0 belong 0xffffffff \bAny
- >0 belong 1 \bVax
- >0 belong 6 \bMC680x0
- >0 belong 7 \bI386
- >0 belong 8 \bMIPS
- >0 belong 10 \bMC98000
- >0 belong 11 \bHPPA
- >0 belong 12 \bARM
- >0 belong 13 \bMC88000
- >0 belong 14 \bSPARC
- >0 belong 15 \bI860
- >0 belong 16 \bALPHA
- >0 belong 17 \bPOWERPC
- >0 belong 16777223 \bX86_64
- >0 belong 16777233 \bPOWERPC64
- >&(8.L) indirect :
- >0 belong x \b]
- 0 belong 0xcafebabe
- >4 belong 1 Mach-O fat file with 1 architecture:
- >>8 use mach-o
- >4 belong >1
- >>4 belong <20 Mach-O fat file with %ld architectures:
- >>>8 use mach-o
- >>>28 use mach-o
- >>>4 belong >2
- >>>>48 use mach-o
- >>>>>4 belong >3
- >>>>>68 use mach-o
- ### MACH-O END ###
|
