1*858ea5e5SAndroid Build Coastguard Worker /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*858ea5e5SAndroid Build Coastguard Worker #ifndef _UAPI__ASM_GENERIC_BITS_PER_LONG 3*858ea5e5SAndroid Build Coastguard Worker #define _UAPI__ASM_GENERIC_BITS_PER_LONG 4*858ea5e5SAndroid Build Coastguard Worker 5*858ea5e5SAndroid Build Coastguard Worker #ifndef __BITS_PER_LONG 6*858ea5e5SAndroid Build Coastguard Worker /* 7*858ea5e5SAndroid Build Coastguard Worker * In order to keep safe and avoid regression, only unify uapi 8*858ea5e5SAndroid Build Coastguard Worker * bitsperlong.h for some archs which are using newer toolchains 9*858ea5e5SAndroid Build Coastguard Worker * that have the definitions of __CHAR_BIT__ and __SIZEOF_LONG__. 10*858ea5e5SAndroid Build Coastguard Worker * See the following link for more info: 11*858ea5e5SAndroid Build Coastguard Worker * https://lore.kernel.org/linux-arch/[email protected]/ 12*858ea5e5SAndroid Build Coastguard Worker */ 13*858ea5e5SAndroid Build Coastguard Worker #if defined(__CHAR_BIT__) && defined(__SIZEOF_LONG__) 14*858ea5e5SAndroid Build Coastguard Worker #define __BITS_PER_LONG (__CHAR_BIT__ * __SIZEOF_LONG__) 15*858ea5e5SAndroid Build Coastguard Worker #else 16*858ea5e5SAndroid Build Coastguard Worker /* 17*858ea5e5SAndroid Build Coastguard Worker * There seems to be no way of detecting this automatically from user 18*858ea5e5SAndroid Build Coastguard Worker * space, so 64 bit architectures should override this in their 19*858ea5e5SAndroid Build Coastguard Worker * bitsperlong.h. In particular, an architecture that supports 20*858ea5e5SAndroid Build Coastguard Worker * both 32 and 64 bit user space must not rely on CONFIG_64BIT 21*858ea5e5SAndroid Build Coastguard Worker * to decide it, but rather check a compiler provided macro. 22*858ea5e5SAndroid Build Coastguard Worker */ 23*858ea5e5SAndroid Build Coastguard Worker #define __BITS_PER_LONG 32 24*858ea5e5SAndroid Build Coastguard Worker #endif 25*858ea5e5SAndroid Build Coastguard Worker #endif 26*858ea5e5SAndroid Build Coastguard Worker 27*858ea5e5SAndroid Build Coastguard Worker #endif /* _UAPI__ASM_GENERIC_BITS_PER_LONG */ 28