Edit File: vdso.h
#ifndef _ASM_X86_VDSO_H #define _ASM_X86_VDSO_H #if defined CONFIG_X86_32 || defined CONFIG_COMPAT extern const char VDSO32_PRELINK[]; /* * Given a pointer to the vDSO image, find the pointer to VDSO32_name * as that symbol is defined in the vDSO sources or linker script. */ #define VDSO32_SYMBOL(base, name) \ ({ \ extern const char VDSO32_##name[]; \ (void __user *)(VDSO32_##name - VDSO32_PRELINK + \ (unsigned long)(base)); \ }) #endif /* * These symbols are defined with the addresses in the vsyscall page. * See vsyscall-sigreturn.S. */ extern void __user __kernel_sigreturn; extern void __user __kernel_rt_sigreturn; /* * These symbols are defined by vdso32.S to mark the bounds * of the ELF DSO images included therein. */ extern const char vdso32_int80_start, vdso32_int80_end; extern const char vdso32_syscall_start, vdso32_syscall_end; extern const char vdso32_sysenter_start, vdso32_sysenter_end; #endif /* _ASM_X86_VDSO_H */