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- #ifndef __ASM_GENERIC_BITS_PER_LONG
- #define __ASM_GENERIC_BITS_PER_LONG
- #include <uapi/asm-generic/bitsperlong.h>
- /*
- * In the kernel, where this file comes from, we can rely on CONFIG_64BIT,
- * here we have to make amends with what the various compilers provides us
- * to figure out if we're on a 64-bit machine...
- */
- #ifdef __SIZEOF_LONG__
- # if __SIZEOF_LONG__ == 8
- # define CONFIG_64BIT
- # endif
- #else
- # ifdef __WORDSIZE
- # if __WORDSIZE == 64
- # define CONFIG_64BIT
- # endif
- # else
- # error Failed to determine BITS_PER_LONG value
- # endif
- #endif
- #ifdef CONFIG_64BIT
- #define BITS_PER_LONG 64
- #else
- #define BITS_PER_LONG 32
- #endif /* CONFIG_64BIT */
- #if BITS_PER_LONG != __BITS_PER_LONG
- #error Inconsistent word size. Check asm/bitsperlong.h
- #endif
- #ifndef BITS_PER_LONG_LONG
- #define BITS_PER_LONG_LONG 64
- #endif
- #endif /* __ASM_GENERIC_BITS_PER_LONG */
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