1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Linker script for vDSO.  This is an ELF shared object prelinked to
4 * its virtual address, and with only one read-only segment.
5 * This script controls its layout.
6 */
7
8SECTIONS
9{
10	. = VDSO_PRELINK + SIZEOF_HEADERS;
11
12	.hash		: { *(.hash) }			:text
13	.gnu.hash	: { *(.gnu.hash) }
14	.dynsym		: { *(.dynsym) }
15	.dynstr		: { *(.dynstr) }
16	.gnu.version	: { *(.gnu.version) }
17	.gnu.version_d	: { *(.gnu.version_d) }
18	.gnu.version_r	: { *(.gnu.version_r) }
19
20	.note		: { *(.note.*) }		:text	:note
21
22	.eh_frame_hdr	: { *(.eh_frame_hdr) }		:text	:eh_frame_hdr
23	.eh_frame	: { KEEP (*(.eh_frame)) }	:text
24
25	.dynamic	: { *(.dynamic) }		:text	:dynamic
26
27	.rodata		: { *(.rodata*) }		:text
28	.data		: {
29	      *(.data*)
30	      *(.sdata*)
31	      *(.got.plt) *(.got)
32	      *(.gnu.linkonce.d.*)
33	      *(.bss*)
34	      *(.dynbss*)
35	      *(.gnu.linkonce.b.*)
36	}
37
38	.altinstructions	: { *(.altinstructions) }
39	.altinstr_replacement	: { *(.altinstr_replacement) }
40
41	/*
42	 * Align the actual code well away from the non-instruction data.
43	 * This is the best thing for the I-cache.
44	 */
45	. = ALIGN(0x100);
46
47	.text		: { *(.text*) }			:text	=0x90909090
48}
49
50/*
51 * Very old versions of ld do not recognize this name token; use the constant.
52 */
53#define PT_GNU_EH_FRAME	0x6474e550
54
55/*
56 * We must supply the ELF program headers explicitly to get just one
57 * PT_LOAD segment, and set the flags explicitly to make segments read-only.
58 */
59PHDRS
60{
61	text		PT_LOAD		FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */
62	dynamic		PT_DYNAMIC	FLAGS(4);		/* PF_R */
63	note		PT_NOTE		FLAGS(4);		/* PF_R */
64	eh_frame_hdr	PT_GNU_EH_FRAME;
65}
66