2012-05-02 13:23:57 +02:00
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2012-03-31 20:24:03 +02:00
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#------------------------------------------------------------------------------
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2013-12-06 12:04:52 +01:00
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# $File: cafebabe,v 1.14 2013/02/27 16:59:59 christos Exp $
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2012-03-31 20:24:03 +02:00
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# Cafe Babes unite!
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#
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2013-12-06 12:04:52 +01:00
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# Since Java bytecode and Mach-O universal binaries have the same magic number,
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# the test must be performed in the same "magic" sequence to get both right.
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# The long at offset 4 in a Mach-O universal binary tells the number of
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# architectures; the short at offset 4 in a Java bytecode file is the JVM minor
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# version and the short at offset 6 is the JVM major version. Since there are only
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2012-03-31 20:24:03 +02:00
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# only 18 labeled Mach-O architectures at current, and the first released
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# Java class format was version 43.0, we can safely choose any number
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# between 18 and 39 to test the number of architectures against
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# (and use as a hack). Let's not use 18, because the Mach-O people
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# might add another one or two as time goes by...
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#
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2013-12-06 12:04:52 +01:00
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### JAVA START ###
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2012-03-31 20:24:03 +02:00
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0 belong 0xcafebabe
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!:mime application/x-java-applet
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>4 belong >30 compiled Java class data,
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>>6 beshort x version %d.
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>>4 beshort x \b%d
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# Which is which?
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#>>4 belong 0x032d (Java 1.0)
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#>>4 belong 0x032d (Java 1.1)
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>>4 belong 0x002e (Java 1.2)
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>>4 belong 0x002f (Java 1.3)
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>>4 belong 0x0030 (Java 1.4)
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>>4 belong 0x0031 (Java 1.5)
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>>4 belong 0x0032 (Java 1.6)
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2013-12-06 12:04:52 +01:00
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0 belong 0xcafed00d JAR compressed with pack200,
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>5 byte x version %d.
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>4 byte x \b%d
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!:mime application/x-java-pack200
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2012-03-31 20:24:03 +02:00
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0 belong 0xcafed00d JAR compressed with pack200,
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2013-12-06 12:04:52 +01:00
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>5 byte x version %d.
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>4 byte x \b%d
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2012-03-31 20:24:03 +02:00
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!:mime application/x-java-pack200
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2013-12-06 12:04:52 +01:00
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### JAVA END ###
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### MACH-O START ###
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0 name mach-o \b [
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>0 use mach-o-cpu \b
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>&(8.L) indirect \b:
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>0 belong x \b]
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0 belong 0xcafebabe
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>4 belong 1 Mach-O universal binary with 1 architecture:
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>>8 use mach-o \b
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>4 belong >1
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>>4 belong <20 Mach-O universal binary with %ld architectures:
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>>>8 use mach-o \b
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>>>28 use mach-o \b
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>>4 belong >2
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>>>48 use mach-o \b
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>>4 belong >3
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>>>68 use mach-o \b
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### MACH-O END ###
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