blob: aadb8b9994cd00b31e65c07e95af8a6f245ddebd (
plain) (
blame)
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
40
41
42
43
44
45
46
47
48
49
50
|
/*
* Linker script for 32-bit vDSO.
* We #include the file to define the layout details.
* Here we only choose the prelinked virtual address.
*
* This file defines the version script giving the user-exported symbols in
* the DSO. We can define local symbols here called VDSO* to make their
* values visible using the asm-x86/vdso.h macros from the kernel proper.
*/
#include <asm/page.h>
#define BUILD_VDSO32
#define VDSO_PRELINK 0
#include "../vdso-layout.lds.S"
/* The ELF entry point can be used to set the AT_SYSINFO value. */
ENTRY(__kernel_vsyscall);
/*
* This controls what userland symbols we export from the vDSO.
*/
VERSION
{
LINUX_2.6 {
global:
__vdso_clock_gettime;
__vdso_gettimeofday;
__vdso_time;
};
LINUX_2.5 {
global:
__kernel_vsyscall;
__kernel_sigreturn;
__kernel_rt_sigreturn;
local: *;
};
}
/*
* Symbols we define here called VDSO* get their values into vdso32-syms.h.
*/
VDSO32_vsyscall = __kernel_vsyscall;
VDSO32_sigreturn = __kernel_sigreturn;
VDSO32_rt_sigreturn = __kernel_rt_sigreturn;
VDSO32_clock_gettime = clock_gettime;
VDSO32_gettimeofday = gettimeofday;
VDSO32_time = time;
|
