#ifndef _ASM_X86_VSYSCALL_H #define _ASM_X86_VSYSCALL_H enum vsyscall_num { __NR_vgettimeofday, __NR_vtime, __NR_vgetcpu, }; #define VSYSCALL_START (-10UL << 20) #define VSYSCALL_SIZE 1024 #define VSYSCALL_END (-2UL << 20) #define VSYSCALL_MAPPED_PAGES 1 #define VSYSCALL_ADDR(vsyscall_nr) (VSYSCALL_START+VSYSCALL_SIZE*(vsyscall_nr)) #ifdef __KERNEL__ #include <linux/seqlock.h> #define __section_vgetcpu_mode __attribute__ ((unused, __section__ (".vgetcpu_mode"), aligned(16))) #define __section_jiffies __attribute__ ((unused, __section__ (".jiffies"), aligned(16))) /* Definitions for CONFIG_GENERIC_TIME definitions */ #define __section_vsyscall_gtod_data __attribute__ \ ((unused, __section__ (".vsyscall_gtod_data"),aligned(16))) #define __section_vsyscall_clock __attribute__ \ ((unused, __section__ (".vsyscall_clock"),aligned(16))) #define __vsyscall_fn \ __attribute__ ((unused, __section__(".vsyscall_fn"))) notrace #define VGETCPU_RDTSCP 1 #define VGETCPU_LSL 2 extern int __vgetcpu_mode; extern volatile unsigned long __jiffies; /* kernel space (writeable) */ extern int vgetcpu_mode; extern struct timezone sys_tz; extern void map_vsyscall(void); #endif /* __KERNEL__ */ #endif /* _ASM_X86_VSYSCALL_H */