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1 | /* |
2 | * Adapted from arm64 version. | |
3 | * | |
4 | * GNU linker script for the VDSO library. | |
5 | * | |
6 | * Copyright (C) 2012 ARM Limited | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License version 2 as | |
10 | * published by the Free Software Foundation. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | * | |
20 | * Author: Will Deacon <will.deacon@arm.com> | |
21 | * Heavily based on the vDSO linker scripts for other archs. | |
22 | */ | |
23 | ||
24 | #include <linux/const.h> | |
25 | #include <asm/page.h> | |
26 | #include <asm/vdso.h> | |
27 | ||
28 | OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm") | |
29 | OUTPUT_ARCH(arm) | |
30 | ||
31 | SECTIONS | |
32 | { | |
33 | PROVIDE(_start = .); | |
34 | ||
35 | . = SIZEOF_HEADERS; | |
36 | ||
37 | .hash : { *(.hash) } :text | |
38 | .gnu.hash : { *(.gnu.hash) } | |
39 | .dynsym : { *(.dynsym) } | |
40 | .dynstr : { *(.dynstr) } | |
41 | .gnu.version : { *(.gnu.version) } | |
42 | .gnu.version_d : { *(.gnu.version_d) } | |
43 | .gnu.version_r : { *(.gnu.version_r) } | |
44 | ||
45 | .note : { *(.note.*) } :text :note | |
46 | ||
47 | ||
48 | .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr | |
49 | .eh_frame : { KEEP (*(.eh_frame)) } :text | |
50 | ||
51 | .dynamic : { *(.dynamic) } :text :dynamic | |
52 | ||
53 | .rodata : { *(.rodata*) } :text | |
54 | ||
55 | .text : { *(.text*) } :text =0xe7f001f2 | |
56 | ||
57 | .got : { *(.got) } | |
58 | .rel.plt : { *(.rel.plt) } | |
59 | ||
60 | /DISCARD/ : { | |
61 | *(.note.GNU-stack) | |
62 | *(.data .data.* .gnu.linkonce.d.* .sdata*) | |
63 | *(.bss .sbss .dynbss .dynsbss) | |
64 | } | |
65 | } | |
66 | ||
67 | /* | |
68 | * We must supply the ELF program headers explicitly to get just one | |
69 | * PT_LOAD segment, and set the flags explicitly to make segments read-only. | |
70 | */ | |
71 | PHDRS | |
72 | { | |
73 | text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */ | |
74 | dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ | |
75 | note PT_NOTE FLAGS(4); /* PF_R */ | |
76 | eh_frame_hdr PT_GNU_EH_FRAME; | |
77 | } | |
78 | ||
79 | VERSION | |
80 | { | |
81 | LINUX_2.6 { | |
82 | global: | |
83 | __vdso_clock_gettime; | |
84 | __vdso_gettimeofday; | |
85 | local: *; | |
86 | }; | |
87 | } |