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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1234567891011121314151617181920212223242526272829303132/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */#ifndef _UAPI__ASM_GENERIC_BITS_PER_LONG#define _UAPI__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 /* _UAPI__ASM_GENERIC_BITS_PER_LONG */