blob: 8021bd28c0f13277a79cdfce15c7b842cb0dcd7e [file] [log] [blame]
#ifndef _ASM_X86_VDSO_H
#define _ASM_X86_VDSO_H
#include <asm/page_types.h>
#include <linux/linkage.h>
#include <linux/init.h>
#ifndef __ASSEMBLER__
#include <linux/mm_types.h>
struct vdso_image {
void *data;
unsigned long size; /* Always a multiple of PAGE_SIZE */
/* text_mapping.pages is big enough for data/size page pointers */
struct vm_special_mapping text_mapping;
unsigned long alt, alt_len;
long sym_vvar_start; /* Negative offset to the vvar area */
long sym_vvar_page;
long sym_hpet_page;
long sym_VDSO32_NOTE_MASK;
long sym___kernel_sigreturn;
long sym___kernel_rt_sigreturn;
long sym___kernel_vsyscall;
long sym_VDSO32_SYSENTER_RETURN;
};
#ifdef CONFIG_X86_64
extern const struct vdso_image vdso_image_64;
#endif
#ifdef CONFIG_X86_X32
extern const struct vdso_image vdso_image_x32;
#endif
#if defined CONFIG_X86_32 || defined CONFIG_COMPAT
extern const struct vdso_image vdso_image_32_int80;
#ifdef CONFIG_COMPAT
extern const struct vdso_image vdso_image_32_syscall;
#endif
extern const struct vdso_image vdso_image_32_sysenter;
extern const struct vdso_image *selected_vdso32;
#endif
extern void __init init_vdso_image(const struct vdso_image *image);
#endif /* __ASSEMBLER__ */
#endif /* _ASM_X86_VDSO_H */