1 /* SPDX-License-Identifier: GPL-2.0-or-later * <<
2 /* 1 /*
3 * Copyright (C) 2015 Imagination Technologies !! 2 * Linker script for 64-bit vDSO.
4 * Author: Alex Smith <alex.smith@imgtec.com> !! 3 * We #include the file to define the layout details.
>> 4 *
>> 5 * This file defines the version script giving the user-exported symbols in
>> 6 * the DSO.
5 */ 7 */
6 8
7 #include <asm/sgidefs.h> !! 9 #define BUILD_VDSO64
8 10
9 #if _MIPS_SIM == _MIPS_SIM_ABI64 !! 11 #include "vdso-layout.lds.S"
10 OUTPUT_FORMAT("elf64-tradlittlemips", "elf64-t <<
11 #elif _MIPS_SIM == _MIPS_SIM_NABI32 <<
12 OUTPUT_FORMAT("elf32-ntradlittlemips", "elf32- <<
13 #else <<
14 OUTPUT_FORMAT("elf32-tradlittlemips", "elf32-t <<
15 #endif <<
16 12
17 OUTPUT_ARCH(mips) !! 13 /*
18 !! 14 * This controls what userland symbols we export from the vDSO.
19 SECTIONS !! 15 */
20 { !! 16 VERSION {
21 PROVIDE(_start = .); <<
22 . = SIZEOF_HEADERS; <<
23 <<
24 /* <<
25 * In order to retain compatibility wi <<
26 * ABI flags section ourself. Newer as <<
27 * generate .MIPS.abiflags sections so <<
28 * and then manually define our own se <<
29 * this section to have the correct na <<
30 */ <<
31 .mips_abiflags : { *(.mips_abiflags) <<
32 <<
33 .reginfo : { *(.reginfo) } <<
34 <<
35 .hash : { *(.hash) } <<
36 .gnu.hash : { *(.gnu.hash) } <<
37 .dynsym : { *(.dynsym) } <<
38 .dynstr : { *(.dynstr) } <<
39 .gnu.version : { *(.gnu.version) } <<
40 .gnu.version_d : { *(.gnu.version_d) <<
41 .gnu.version_r : { *(.gnu.version_r) <<
42 <<
43 .note : { *(.note.*) } <<
44 <<
45 .text : { *(.text*) } <<
46 PROVIDE (__etext = .); <<
47 PROVIDE (_etext = .); <<
48 PROVIDE (etext = .); <<
49 <<
50 .eh_frame_hdr : { *(.eh_frame_hdr) } <<
51 .eh_frame : { KEEP (*(.eh_frame) <<
52 <<
53 .dynamic : { *(.dynamic) } <<
54 <<
55 .rodata : { *(.rodata*) } <<
56 <<
57 _end = .; <<
58 PROVIDE(end = .); <<
59 <<
60 /DISCARD/ : { <<
61 *(.MIPS.abiflags) <<
62 *(.gnu.attributes) <<
63 *(.note.GNU-stack) <<
64 *(.data .data.* .gnu.linkonce. <<
65 *(.bss .sbss .dynbss .dynsbss) <<
66 } <<
67 } <<
68 <<
69 PHDRS <<
70 { <<
71 /* <<
72 * Provide a PT_MIPS_ABIFLAGS header t <<
73 * to. We can specify the header type <<
74 * is needed later on. <<
75 */ <<
76 abiflags 0x70000003; <<
77 <<
78 /* <<
79 * The ABI flags header must exist dir <<
80 * so we must explicitly place the PT_ <<
81 * stop the linker putting one in at t <<
82 */ <<
83 reginfo 0x70000000; <<
84 <<
85 text PT_LOAD FLAGS( <<
86 dynamic PT_DYNAMIC FLAGS( <<
87 note PT_NOTE FLAGS( <<
88 eh_frame_hdr PT_GNU_EH_FRAME; <<
89 } <<
90 <<
91 VERSION <<
92 { <<
93 LINUX_2.6 { 17 LINUX_2.6 {
94 #ifndef CONFIG_MIPS_DISABLE_VDSO <<
95 global: 18 global:
>> 19 clock_gettime;
96 __vdso_clock_gettime; 20 __vdso_clock_gettime;
97 #ifdef CONFIG_MIPS_CLOCK_VSYSCALL !! 21 gettimeofday;
98 __vdso_gettimeofday; 22 __vdso_gettimeofday;
99 #endif <<
100 __vdso_clock_getres; <<
101 #if _MIPS_SIM != _MIPS_SIM_ABI64 <<
102 __vdso_clock_gettime64; <<
103 #endif <<
104 #endif <<
105 local: *; 23 local: *;
106 }; 24 };
107 } 25 }
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