/* 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 #ifndef __BITS_PER_LONG_LONG #define __BITS_PER_LONG_LONG 64 #endif #endif /* __ASM_GENERIC_BITS_PER_LONG */