blob: 1baa6bc517bf8e0d80548ee278e168c676401c03 (
plain)
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
|
#ifndef _VDSO_IMAGE_H
#define _VDSO_IMAGE_H
#include <asm/page_types.h>
#include <linux/linkage.h>
#define DEFINE_VDSO_IMAGE(symname, filename) \
__PAGE_ALIGNED_DATA ; \
.globl symname##_start, symname##_end ; \
.align PAGE_SIZE ; \
symname##_start: ; \
.incbin filename ; \
symname##_end: ; \
.align PAGE_SIZE /* extra data here leaks to userspace. */ ; \
\
.previous ; \
\
.globl symname##_pages ; \
.bss ; \
.align 8 ; \
.type symname##_pages, @object ; \
symname##_pages: ; \
.zero (symname##_end - symname##_start + PAGE_SIZE - 1) / PAGE_SIZE * (BITS_PER_LONG / 8) ; \
.size symname##_pages, .-symname##_pages
#define DECLARE_VDSO_IMAGE(symname) \
extern char symname##_start[], symname##_end[]; \
extern struct page *symname##_pages[]
#endif /* _VDSO_IMAGE_H */
|
