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Lines 50-53
extern void __init_misc (int, char **, char **);
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/* Cast an integer or a pointer VAL to integer with proper type. */ |
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/* Cast an integer or a pointer VAL to integer with proper type. */ |
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# define cast_to_integer(val) ((__integer_if_pointer_type (val)) (val)) |
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# define cast_to_integer(val) ((__integer_if_pointer_type (val)) (val)) |
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/* Align a value by rounding down to closest size. |
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e.g. Using size of 4096, we get this behavior: |
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{4095, 4096, 4097} = {0, 4096, 4096}. */ |
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#define ALIGN_DOWN(base, size) ((base) & -((__typeof__ (base)) (size))) |
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/* Align a value by rounding up to closest size. |
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e.g. Using size of 4096, we get this behavior: |
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{4095, 4096, 4097} = {4096, 4096, 8192}. |
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Note: The size argument has side effects (expanded multiple times). */ |
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#define ALIGN_UP(base, size) ALIGN_DOWN ((base) + (size) - 1, (size)) |
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/* Same as ALIGN_DOWN(), but automatically casts when base is a pointer. */ |
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#define PTR_ALIGN_DOWN(base, size) \ |
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((__typeof__ (base)) ALIGN_DOWN ((uintptr_t) (base), (size))) |
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/* Same as ALIGN_UP(), but automatically casts when base is a pointer. */ |
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#define PTR_ALIGN_UP(base, size) \ |
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((__typeof__ (base)) ALIGN_UP ((uintptr_t) (base), (size))) |
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#endif /* _LIBC_INTERNAL */ |
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#endif /* _LIBC_INTERNAL */ |
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