1 #ifndef _ASM_X86_VDSO_H
2 #define _ASM_X86_VDSO_H
4 #include <asm/page_types.h>
5 #include <linux/linkage.h>
6 #include <linux/init.h>
12 unsigned long size; /* Always a multiple of PAGE_SIZE */
13 struct page **pages; /* Big enough for data/size page pointers */
15 unsigned long alt, alt_len;
17 unsigned long sym_VDSO32_NOTE_MASK;
18 unsigned long sym___kernel_sigreturn;
19 unsigned long sym___kernel_rt_sigreturn;
20 unsigned long sym___kernel_vsyscall;
21 unsigned long sym_VDSO32_SYSENTER_RETURN;
25 extern const struct vdso_image vdso_image_64;
29 extern const struct vdso_image vdso_image_x32;
32 #if defined CONFIG_X86_32 || defined CONFIG_COMPAT
33 extern const struct vdso_image vdso_image_32_int80;
35 extern const struct vdso_image vdso_image_32_syscall;
37 extern const struct vdso_image vdso_image_32_sysenter;
39 extern const struct vdso_image *selected_vdso32;
42 extern void __init init_vdso_image(const struct vdso_image *image);
44 #endif /* __ASSEMBLER__ */
46 #endif /* _ASM_X86_VDSO_H */