1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * Adapted from arm64 version.
4 *
5 * GNU linker script for the VDSO library.
6 * Heavily based on the vDSO linker scripts for other archs.
7 *
8 * Copyright (C) 2012-2018 ARM Limited
9 */
10
11 #include <linux/const.h>
12 #include <asm/page.h>
13 #include <asm/vdso.h>
14 #include <asm-generic/vmlinux.lds.h>
15
16 OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
17 OUTPUT_ARCH(arm)
18
19 SECTIONS
20 {
21 PROVIDE_HIDDEN(_vdso_data = . - __VVAR_PAGES * PAGE_SIZE);
22 #ifdef CONFIG_TIME_NS
23 PROVIDE_HIDDEN(_timens_data = _vdso_data + PAGE_SIZE);
24 #endif
25 . = VDSO_LBASE + SIZEOF_HEADERS;
26
27 .hash : { *(.hash) } :text
28 .gnu.hash : { *(.gnu.hash) }
29 .dynsym : { *(.dynsym) }
30 .dynstr : { *(.dynstr) }
31 .gnu.version : { *(.gnu.version) }
32 .gnu.version_d : { *(.gnu.version_d) }
33 .gnu.version_r : { *(.gnu.version_r) }
34
35 .note : { *(.note.*) } :text :note
36
37 .dynamic : { *(.dynamic) } :text :dynamic
38
39 .rodata : {
40 *(.rodata*)
41 *(.got)
42 *(.got.plt)
43 *(.plt)
44 *(.rel.iplt)
45 *(.iplt)
46 *(.igot.plt)
47 } :text
48
49 .text : {
50 *(.text*)
51 *(.glue_7)
52 *(.glue_7t)
53 *(.vfp11_veneer)
54 *(.v4_bx)
55 } :text =0xe7f001f2
56
57 .rel.dyn : { *(.rel*) }
58
59 .ARM.exidx : { *(.ARM.exidx*) }
60 DWARF_DEBUG
61 ELF_DETAILS
62 .ARM.attributes 0 : { *(.ARM.attributes) }
63
64 /DISCARD/ : {
65 *(.note.GNU-stack)
66 *(.data .data.* .gnu.linkonce.d.* .sdata*)
67 *(.bss .sbss .dynbss .dynsbss)
68 }
69 }
70
71 /*
72 * We must supply the ELF program headers explicitly to get just one
73 * PT_LOAD segment, and set the flags explicitly to make segments read-only.
74 */
75 PHDRS
76 {
77 text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */
78 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
79 note PT_NOTE FLAGS(4); /* PF_R */
80 }
81
82 VERSION
83 {
84 LINUX_2.6 {
85 global:
86 __vdso_clock_gettime;
87 __vdso_gettimeofday;
88 __vdso_clock_getres;
89 __vdso_clock_gettime64;
90 local: *;
91 };
92 }
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