1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI__ASM_GENERIC_BITS_PER_LONG 2 #ifndef _UAPI__ASM_GENERIC_BITS_PER_LONG
3 #define _UAPI__ASM_GENERIC_BITS_PER_LONG 3 #define _UAPI__ASM_GENERIC_BITS_PER_LONG
4 4
5 #ifndef __BITS_PER_LONG <<
6 /* <<
7 * In order to keep safe and avoid regression, <<
8 * bitsperlong.h for some archs which are usin <<
9 * that have the definitions of __CHAR_BIT__ a <<
10 * See the following link for more info: <<
11 * https://lore.kernel.org/linux-arch/b9624545 <<
12 */ <<
13 #if defined(__CHAR_BIT__) && defined(__SIZEOF_ <<
14 #define __BITS_PER_LONG (__CHAR_BIT__ * __SIZE <<
15 #else <<
16 /* 5 /*
17 * There seems to be no way of detecting this 6 * There seems to be no way of detecting this automatically from user
18 * space, so 64 bit architectures should overr 7 * space, so 64 bit architectures should override this in their
19 * bitsperlong.h. In particular, an architectu 8 * bitsperlong.h. In particular, an architecture that supports
20 * both 32 and 64 bit user space must not rely 9 * both 32 and 64 bit user space must not rely on CONFIG_64BIT
21 * to decide it, but rather check a compiler p 10 * to decide it, but rather check a compiler provided macro.
22 */ 11 */
>> 12 #ifndef __BITS_PER_LONG
23 #define __BITS_PER_LONG 32 13 #define __BITS_PER_LONG 32
24 #endif <<
25 #endif <<
26 <<
27 #ifndef __BITS_PER_LONG_LONG <<
28 #define __BITS_PER_LONG_LONG 64 <<
29 #endif 14 #endif
30 15
31 #endif /* _UAPI__ASM_GENERIC_BITS_PER_LONG */ 16 #endif /* _UAPI__ASM_GENERIC_BITS_PER_LONG */
32 17
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