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 
17 OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
18 OUTPUT_ARCH(arm)
19 
20 SECTIONS
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  */
60 PHDRS
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 
68 VERSION
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