| /* 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 */ |
