1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (C) 2012 Regents of the University of California
4 */
5 #include <asm/page.h>
6 #include <asm/vdso.h>
7
8 OUTPUT_ARCH(riscv)
9
10 SECTIONS
11 {
12 PROVIDE(_vdso_data = . - __VVAR_PAGES * PAGE_SIZE);
13 #ifdef CONFIG_TIME_NS
14 PROVIDE(_timens_data = _vdso_data + PAGE_SIZE);
15 #endif
16 . = SIZEOF_HEADERS;
17
18 .hash : { *(.hash) } :text
19 .gnu.hash : { *(.gnu.hash) }
20 .dynsym : { *(.dynsym) }
21 .dynstr : { *(.dynstr) }
22 .gnu.version : { *(.gnu.version) }
23 .gnu.version_d : { *(.gnu.version_d) }
24 .gnu.version_r : { *(.gnu.version_r) }
25
26 .dynamic : { *(.dynamic) } :text :dynamic
27
28 .rodata : {
29 *(.rodata .rodata.* .gnu.linkonce.r.*)
30 *(.got.plt) *(.got)
31 *(.data .data.* .gnu.linkonce.d.*)
32 *(.dynbss)
33 *(.bss .bss.* .gnu.linkonce.b.*)
34 }
35
36 .note : { *(.note.*) } :text :note
37
38 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr
39 .eh_frame : { KEEP (*(.eh_frame)) } :text
40
41 /*
42 * Text is well-separated from actual data: there's plenty of
43 * stuff that isn't used at runtime in between.
44 */
45 . = ALIGN(16);
46 .text : { *(.text .text.*) } :text
47
48 . = ALIGN(4);
49 .alternative : {
50 *(.alternative)
51 }
52 }
53
54 /*
55 * We must supply the ELF program headers explicitly to get just one
56 * PT_LOAD segment, and set the flags explicitly to make segments read-only.
57 */
58 PHDRS
59 {
60 text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */
61 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
62 note PT_NOTE FLAGS(4); /* PF_R */
63 eh_frame_hdr PT_GNU_EH_FRAME;
64 }
65
66 /*
67 * This controls what symbols we export from the DSO.
68 */
69 VERSION
70 {
71 LINUX_4.15 {
72 global:
73 __vdso_rt_sigreturn;
74 #ifdef HAS_VGETTIMEOFDAY
75 __vdso_gettimeofday;
76 __vdso_clock_gettime;
77 __vdso_clock_getres;
78 #endif
79 __vdso_getcpu;
80 __vdso_flush_icache;
81 #ifndef COMPAT_VDSO
82 __vdso_riscv_hwprobe;
83 #endif
84 local: *;
85 };
86 }
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