| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** This header was automatically generated from a Linux kernel header |
| *** of the same name, to make information necessary for userspace to |
| *** call into the kernel available to libc. It contains only constants, |
| *** structures, and macros generated from the original header, and thus, |
| *** contains no copyrightable information. |
| *** |
| *** To edit the content of this header, modify the corresponding |
| *** source file (e.g. under external/kernel-headers/original/) then |
| *** run bionic/libc/kernel/tools/update_all.py |
| *** |
| *** Any manual change here will be lost the next time this script will |
| *** be run. You've been warned! |
| *** |
| **************************************************************************** |
| ****************************************************************************/ |
| #ifndef __ASM_CMPXCHG_H |
| #define __ASM_CMPXCHG_H |
| #include <linux/bitops.h> |
| #define xchg(ptr,v) ((__typeof__(*(ptr)))__xchg((unsigned long)(v),(ptr),sizeof(*(ptr)))) |
| /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ |
| struct __xchg_dummy { unsigned long a[100]; }; |
| #define __xg(x) ((struct __xchg_dummy *)(x)) |
| #define ll_low(x) *(((unsigned int*)&(x))+0) |
| #define ll_high(x) *(((unsigned int*)&(x))+1) |
| /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ |
| #define set_64bit(ptr,value) (__builtin_constant_p(value) ? __set_64bit_constant(ptr, value) : __set_64bit_var(ptr, value) ) |
| #define _set_64bit(ptr,value) (__builtin_constant_p(value) ? __set_64bit(ptr, (unsigned int)(value), (unsigned int)((value)>>32ULL) ) : __set_64bit(ptr, ll_low(value), ll_high(value)) ) |
| #define cmpxchg(ptr,o,n) ({ __typeof__(*(ptr)) __ret; if (likely(boot_cpu_data.x86 > 3)) __ret = __cmpxchg((ptr), (unsigned long)(o), (unsigned long)(n), sizeof(*(ptr))); else __ret = cmpxchg_386((ptr), (unsigned long)(o), (unsigned long)(n), sizeof(*(ptr))); __ret; }) |
| #define cmpxchg_local(ptr,o,n) ({ __typeof__(*(ptr)) __ret; if (likely(boot_cpu_data.x86 > 3)) __ret = __cmpxchg_local((ptr), (unsigned long)(o), (unsigned long)(n), sizeof(*(ptr))); else __ret = cmpxchg_386((ptr), (unsigned long)(o), (unsigned long)(n), sizeof(*(ptr))); __ret; }) |
| /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ |
| #define cmpxchg64(ptr,o,n) ((__typeof__(*(ptr)))__cmpxchg64((ptr),(unsigned long long)(o), (unsigned long long)(n))) |
| #define cmpxchg64_local(ptr,o,n) ((__typeof__(*(ptr)))__cmpxchg64_local((ptr),(unsigned long long)(o), (unsigned long long)(n))) |
| #endif |
