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- /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
- #ifndef __ASM_GENERIC_BITS_PER_LONG
- #define __ASM_GENERIC_BITS_PER_LONG
- #ifndef __BITS_PER_LONG
- /*
- * In order to keep safe and avoid regression, only unify uapi
- * bitsperlong.h for some archs which are using newer toolchains
- * that have the definitions of __CHAR_BIT__ and __SIZEOF_LONG__.
- * See the following link for more info:
- * https://lore.kernel.org/linux-arch/b9624545-2c80-49a1-ac3c-39264a591f7b@app.fastmail.com/
- */
- #if defined(__CHAR_BIT__) && defined(__SIZEOF_LONG__)
- #define __BITS_PER_LONG (__CHAR_BIT__ * __SIZEOF_LONG__)
- #else
- /*
- * There seems to be no way of detecting this automatically from user
- * space, so 64 bit architectures should override this in their
- * bitsperlong.h. In particular, an architecture that supports
- * both 32 and 64 bit user space must not rely on CONFIG_64BIT
- * to decide it, but rather check a compiler provided macro.
- */
- #define __BITS_PER_LONG 32
- #endif
- #endif
- #endif /* __ASM_GENERIC_BITS_PER_LONG */
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