xref: /openbmc/linux/arch/arm/vdso/vdso.lds.S (revision d6e0cbb1)
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	local: *;
75	};
76}
77