1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* vsyscall_emu_64.S: Vsyscall emulation page
*
* Copyright (c) 2011 Andy Lutomirski
*/
#include <linux/linkage.h>
#include <asm/irq_vectors.h>
#include <asm/page_types.h>
#include <asm/unistd_64.h>
__PAGE_ALIGNED_DATA
.globl __vsyscall_page
.balign PAGE_SIZE, 0xcc
.type __vsyscall_page, @object
__vsyscall_page:
mov $__NR_gettimeofday, %rax
syscall
ret
int3
.balign 1024, 0xcc
mov $__NR_time, %rax
syscall
ret
int3
.balign 1024, 0xcc
mov $__NR_getcpu, %rax
syscall
ret
int3
.balign 4096, 0xcc
.size __vsyscall_page, 4096
|
