1 /* SPDX-License-Identifier: GPL-2.0 */
2 #include <asm/vdso.h>
3
4 /*
5 * Linker script for vDSO. This is an ELF sha
6 * its virtual address, and with only one read
7 * This script controls its layout.
8 */
9
10 SECTIONS
11 {
12 /*
13 * User/kernel shared data is before t
14 * uglier than putting it after the vD
15 * non-allocatable things that dangle
16 * segment.
17 */
18
19 vvar_start = . - 4 * PAGE_SIZE;
20 vvar_page = vvar_start;
21
22 /* Place all vvars at the offsets in a
23 #define EMIT_VVAR(name, offset) vvar_ ## name
24 #include <asm/vvar.h>
25 #undef EMIT_VVAR
26
27 pvclock_page = vvar_start + PAGE_SIZE;
28 hvclock_page = vvar_start + 2 * PAGE_S
29 timens_page = vvar_start + 3 * PAGE_S
30
31 #undef _ASM_X86_VVAR_H
32 /* Place all vvars in timens too at th
33 #define EMIT_VVAR(name, offset) timens_ ## nam
34 #include <asm/vvar.h>
35 #undef EMIT_VVAR
36
37 . = SIZEOF_HEADERS;
38
39 .hash : { *(.hash) }
40 .gnu.hash : { *(.gnu.hash) }
41 .dynsym : { *(.dynsym) }
42 .dynstr : { *(.dynstr) }
43 .gnu.version : { *(.gnu.version) }
44 .gnu.version_d : { *(.gnu.version_d)
45 .gnu.version_r : { *(.gnu.version_r)
46
47 .dynamic : { *(.dynamic) }
48
49 .rodata : {
50 *(.rodata*)
51 *(.data*)
52 *(.sdata*)
53 *(.got.plt) *(.got)
54 *(.gnu.linkonce.d.*)
55 *(.bss*)
56 *(.dynbss*)
57 *(.gnu.linkonce.b.*)
58 }
59
60 /*
61 * Discard .note.gnu.property sections
62 * different alignment requirement fro
63 */
64 /DISCARD/ : {
65 *(.note.gnu.property)
66 }
67 .note : { *(.note.*) }
68
69 .eh_frame_hdr : { *(.eh_frame_hdr) }
70 .eh_frame : { KEEP (*(.eh_frame)
71
72
73 /*
74 * Text is well-separated from actual
75 * stuff that isn't used at runtime in
76 */
77
78 .text : {
79 *(.text*)
80 }
81
82
83
84 .altinstructions : { *(.altinst
85 .altinstr_replacement : { *(.altinst
86
87 __ex_table : { *(__ex_tab
88
89 /DISCARD/ : {
90 *(.discard)
91 *(.discard.*)
92 *(__bug_table)
93 }
94 }
95
96 /*
97 * Very old versions of ld do not recognize th
98 */
99 #define PT_GNU_EH_FRAME 0x6474e550
100
101 /*
102 * We must supply the ELF program headers expl
103 * PT_LOAD segment, and set the flags explicit
104 */
105 PHDRS
106 {
107 text PT_LOAD FLAGS(
108 dynamic PT_DYNAMIC FLAGS(
109 note PT_NOTE FLAGS(
110 eh_frame_hdr PT_GNU_EH_FRAME;
111 }
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