1 /* SPDX-License-Identifier: GPL-2.0-only */ <<
2 /* 1 /*
3 * Adapted from arm64 version. !! 2 * Linker script for 64-bit vDSO.
>> 3 * We #include the file to define the layout details.
4 * 4 *
5 * GNU linker script for the VDSO library. !! 5 * This file defines the version script giving the user-exported symbols in
6 * !! 6 * the DSO.
7 * Copyright (C) 2012 ARM Limited <<
8 * <<
9 * Author: Will Deacon <will.deacon@arm.com> <<
10 * Heavily based on the vDSO linker scripts fo <<
11 */ 7 */
12 8
13 #include <linux/const.h> !! 9 #define BUILD_VDSO64
14 #include <asm/page.h> <<
15 #include <asm/vdso.h> <<
16 <<
17 OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm <<
18 OUTPUT_ARCH(arm) <<
19 <<
20 SECTIONS <<
21 { <<
22 PROVIDE(_start = .); <<
23 <<
24 . = SIZEOF_HEADERS; <<
25 <<
26 .hash : { *(.hash) } <<
27 .gnu.hash : { *(.gnu.hash) } <<
28 .dynsym : { *(.dynsym) } <<
29 .dynstr : { *(.dynstr) } <<
30 .gnu.version : { *(.gnu.version) } <<
31 .gnu.version_d : { *(.gnu.version_d) <<
32 .gnu.version_r : { *(.gnu.version_r) <<
33 <<
34 .note : { *(.note.*) } <<
35 10
36 !! 11 #include "vdso-layout.lds.S"
37 .eh_frame_hdr : { *(.eh_frame_hdr) } <<
38 .eh_frame : { KEEP (*(.eh_frame) <<
39 <<
40 .dynamic : { *(.dynamic) } <<
41 <<
42 .rodata : { *(.rodata*) } <<
43 <<
44 .text : { *(.text*) } <<
45 <<
46 .got : { *(.got) } <<
47 .rel.plt : { *(.rel.plt) } <<
48 <<
49 /DISCARD/ : { <<
50 *(.note.GNU-stack) <<
51 *(.data .data.* .gnu.linkonce. <<
52 *(.bss .sbss .dynbss .dynsbss) <<
53 } <<
54 } <<
55 12
56 /* 13 /*
57 * We must supply the ELF program headers expl !! 14 * This controls what userland symbols we export from the vDSO.
58 * PT_LOAD segment, and set the flags explicit <<
59 */ 15 */
60 PHDRS !! 16 VERSION {
61 { <<
62 text PT_LOAD FLAGS( <<
63 dynamic PT_DYNAMIC FLAGS( <<
64 note PT_NOTE FLAGS( <<
65 eh_frame_hdr PT_GNU_EH_FRAME; <<
66 } <<
67 <<
68 VERSION <<
69 { <<
70 LINUX_2.6 { 17 LINUX_2.6 {
71 global: 18 global:
>> 19 clock_gettime;
72 __vdso_clock_gettime; 20 __vdso_clock_gettime;
>> 21 gettimeofday;
73 __vdso_gettimeofday; 22 __vdso_gettimeofday;
74 __vdso_clock_getres; <<
75 __vdso_clock_gettime64; <<
76 local: *; 23 local: *;
77 }; 24 };
78 } 25 }
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