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30 lines
720 B
C
30 lines
720 B
C
#ifdef __LP64__
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#define DTABLE_OFFSET 64
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#define SMALLOBJ_BITS 3
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#define SHIFT_OFFSET 0
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#define DATA_OFFSET 8
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#define SLOT_OFFSET 0
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#elif defined(_WIN64)
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// long is 32 bits on Win64, so struct objc_class is smaller. All other offsets are the same.
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#define DTABLE_OFFSET 56
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#define SMALLOBJ_BITS 3
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#define SHIFT_OFFSET 0
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#define DATA_OFFSET 8
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#define SLOT_OFFSET 0
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#else
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#define DTABLE_OFFSET 32
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#define SMALLOBJ_BITS 1
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#define SHIFT_OFFSET 0
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#define DATA_OFFSET 8
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#define SLOT_OFFSET 0
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#endif
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#define SMALLOBJ_MASK ((1<<SMALLOBJ_BITS) - 1)
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// Page size configuration
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#if defined(__powerpc64__)
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# define PAGE_SHIFT 16
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#else
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# define PAGE_SHIFT 12
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#endif
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#define PAGE_SIZE (1<<PAGE_SHIFT)
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