58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#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 */
|
|
|
|
unsigned long alt, alt_len;
|
|
unsigned long extable_base, extable_len;
|
|
const void *extable;
|
|
|
|
long sym_vvar_start; /* Negative offset to the vvar area */
|
|
|
|
long sym_vvar_page;
|
|
long sym_pvclock_page;
|
|
long sym_hvclock_page;
|
|
long sym_timens_page;
|
|
long sym_VDSO32_NOTE_MASK;
|
|
long sym___kernel_sigreturn;
|
|
long sym___kernel_rt_sigreturn;
|
|
long sym___kernel_vsyscall;
|
|
long sym_int80_landing_pad;
|
|
long sym_vdso32_sigreturn_landing_pad;
|
|
long sym_vdso32_rt_sigreturn_landing_pad;
|
|
};
|
|
|
|
#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;
|
|
#endif
|
|
|
|
extern void __init init_vdso_image(const struct vdso_image *image);
|
|
|
|
extern int map_vdso_once(const struct vdso_image *image, unsigned long addr);
|
|
|
|
extern bool fixup_vdso_exception(struct pt_regs *regs, int trapnr,
|
|
unsigned long error_code,
|
|
unsigned long fault_addr);
|
|
#endif /* __ASSEMBLER__ */
|
|
|
|
#endif /* _ASM_X86_VDSO_H */
|