1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Adapted from arm64 version.
4 *
5 * GNU linker script for the VDSO library.
6 *
7 * Copyright (C) 2012 ARM Limited
8 *
9 * Author: Will Deacon <will.deacon@arm.com>
10 * Heavily based on the vDSO linker scripts for other archs.
11 */
12
13#include <linux/const.h>
14#include <asm/page.h>
15#include <asm/vdso.h>
16
17OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
18OUTPUT_ARCH(arm)
19
20SECTIONS
21{
22 PROVIDE(_start = .);
23
24 . = SIZEOF_HEADERS;
25
26 .hash : { *(.hash) } :text
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.*) } :text :note
35
36
37 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr
38 .eh_frame : { KEEP (*(.eh_frame)) } :text
39
40 .dynamic : { *(.dynamic) } :text :dynamic
41
42 .rodata : { *(.rodata*) } :text
43
44 .text : { *(.text*) } :text =0xe7f001f2
45
46 .got : { *(.got) }
47 .rel.plt : { *(.rel.plt) }
48
49 /DISCARD/ : {
50 *(.note.GNU-stack)
51 *(.data .data.* .gnu.linkonce.d.* .sdata*)
52 *(.bss .sbss .dynbss .dynsbss)
53 }
54}
55
56/*
57 * We must supply the ELF program headers explicitly to get just one
58 * PT_LOAD segment, and set the flags explicitly to make segments read-only.
59 */
60PHDRS
61{
62 text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */
63 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
64 note PT_NOTE FLAGS(4); /* PF_R */
65 eh_frame_hdr PT_GNU_EH_FRAME;
66}
67
68VERSION
69{
70 LINUX_2.6 {
71 global:
72 __vdso_clock_gettime;
73 __vdso_gettimeofday;
74 __vdso_clock_getres;
75 __vdso_clock_gettime64;
76 local: *;
77 };
78}
79

source code of linux/arch/arm/vdso/vdso.lds.S