tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
12struct 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 long sym_vvar_start; /* Negative offset to the vvar area */
22
23 long sym_vvar_page;
24 long sym_hpet_page;
25 long sym_VDSO32_NOTE_MASK;
26 long sym___kernel_sigreturn;
27 long sym___kernel_rt_sigreturn;
28 long sym___kernel_vsyscall;
29 long sym_VDSO32_SYSENTER_RETURN;
30};
31
32#ifdef CONFIG_X86_64
33extern const struct vdso_image vdso_image_64;
34#endif
35
36#ifdef CONFIG_X86_X32
37extern const struct vdso_image vdso_image_x32;
38#endif
39
40#if defined CONFIG_X86_32 || defined CONFIG_COMPAT
41extern const struct vdso_image vdso_image_32_int80;
42#ifdef CONFIG_COMPAT
43extern const struct vdso_image vdso_image_32_syscall;
44#endif
45extern const struct vdso_image vdso_image_32_sysenter;
46
47extern const struct vdso_image *selected_vdso32;
48#endif
49
50extern void __init init_vdso_image(const struct vdso_image *image);
51
52#endif /* __ASSEMBLER__ */
53
54#endif /* _ASM_X86_VDSO_H */