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
8OUTPUT_ARCH(riscv)
9
10SECTIONS
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 */
58PHDRS
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 */
69VERSION
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}
87