Merge branch 'for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
[pandora-kernel.git] / arch / x86 / include / asm / vdso.h
1 #ifndef _ASM_X86_VDSO_H
2 #define _ASM_X86_VDSO_H
3
4 #include <asm/page_types.h>
5 #include <linux/linkage.h>
6 #include <linux/init.h>
7
8 #ifndef __ASSEMBLER__
9
10 #include <linux/mm_types.h>
11
12 struct vdso_image {
13         void *data;
14         unsigned long size;   /* Always a multiple of PAGE_SIZE */
15
16         /* text_mapping.pages is big enough for data/size page pointers */
17         struct vm_special_mapping text_mapping;
18
19         unsigned long alt, alt_len;
20
21         unsigned long sym_end_mapping;  /* Total size of the mapping */
22
23         unsigned long sym_vvar_page;
24         unsigned long sym_hpet_page;
25         unsigned long sym_VDSO32_NOTE_MASK;
26         unsigned long sym___kernel_sigreturn;
27         unsigned long sym___kernel_rt_sigreturn;
28         unsigned long sym___kernel_vsyscall;
29         unsigned long sym_VDSO32_SYSENTER_RETURN;
30 };
31
32 #ifdef CONFIG_X86_64
33 extern const struct vdso_image vdso_image_64;
34 #endif
35
36 #ifdef CONFIG_X86_X32
37 extern const struct vdso_image vdso_image_x32;
38 #endif
39
40 #if defined CONFIG_X86_32 || defined CONFIG_COMPAT
41 extern const struct vdso_image vdso_image_32_int80;
42 #ifdef CONFIG_COMPAT
43 extern const struct vdso_image vdso_image_32_syscall;
44 #endif
45 extern const struct vdso_image vdso_image_32_sysenter;
46
47 extern const struct vdso_image *selected_vdso32;
48 #endif
49
50 extern void __init init_vdso_image(const struct vdso_image *image);
51
52 #endif /* __ASSEMBLER__ */
53
54 #endif /* _ASM_X86_VDSO_H */