1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * This is the infamous ld script for the 64 bits vdso
4 * library
5 */
6
7#include <asm/page.h>
8#include <asm/vdso.h>
9
10OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390")
11OUTPUT_ARCH(s390:64-bit)
12ENTRY(_start)
13
14SECTIONS
15{
16	. = VDSO64_LBASE + 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	.note		: { *(.note.*) }		:text	:note
27
28	. = ALIGN(16);
29	.text		: {
30		*(.text .stub .text.* .gnu.linkonce.t.*)
31	} :text
32	PROVIDE(__etext = .);
33	PROVIDE(_etext = .);
34	PROVIDE(etext = .);
35
36	/*
37	 * Other stuff is appended to the text segment:
38	 */
39	.rodata		: { *(.rodata .rodata.* .gnu.linkonce.r.*) }
40	.rodata1	: { *(.rodata1) }
41
42	.dynamic	: { *(.dynamic) }		:text	:dynamic
43
44	.eh_frame_hdr	: { *(.eh_frame_hdr) }		:text	:eh_frame_hdr
45	.eh_frame	: { KEEP (*(.eh_frame)) }	:text
46	.gcc_except_table : { *(.gcc_except_table .gcc_except_table.*) }
47
48	.rela.dyn ALIGN(8) : { *(.rela.dyn) }
49	.got ALIGN(8)	: { *(.got .toc) }
50
51	_end = .;
52	PROVIDE(end = .);
53
54	/*
55	 * Stabs debugging sections are here too.
56	 */
57	.stab	       0 : { *(.stab) }
58	.stabstr       0 : { *(.stabstr) }
59	.stab.excl     0 : { *(.stab.excl) }
60	.stab.exclstr  0 : { *(.stab.exclstr) }
61	.stab.index    0 : { *(.stab.index) }
62	.stab.indexstr 0 : { *(.stab.indexstr) }
63	.comment       0 : { *(.comment) }
64
65	/*
66	 * DWARF debug sections.
67	 * Symbols in the DWARF debugging sections are relative to the
68	 * beginning of the section so we begin them at 0.
69	 */
70	/* DWARF 1 */
71	.debug		0 : { *(.debug) }
72	.line		0 : { *(.line) }
73	/* GNU DWARF 1 extensions */
74	.debug_srcinfo	0 : { *(.debug_srcinfo) }
75	.debug_sfnames	0 : { *(.debug_sfnames) }
76	/* DWARF 1.1 and DWARF 2 */
77	.debug_aranges	0 : { *(.debug_aranges) }
78	.debug_pubnames 0 : { *(.debug_pubnames) }
79	/* DWARF 2 */
80	.debug_info	0 : { *(.debug_info .gnu.linkonce.wi.*) }
81	.debug_abbrev	0 : { *(.debug_abbrev) }
82	.debug_line	0 : { *(.debug_line) }
83	.debug_frame	0 : { *(.debug_frame) }
84	.debug_str	0 : { *(.debug_str) }
85	.debug_loc	0 : { *(.debug_loc) }
86	.debug_macinfo	0 : { *(.debug_macinfo) }
87	/* SGI/MIPS DWARF 2 extensions */
88	.debug_weaknames 0 : { *(.debug_weaknames) }
89	.debug_funcnames 0 : { *(.debug_funcnames) }
90	.debug_typenames 0 : { *(.debug_typenames) }
91	.debug_varnames  0 : { *(.debug_varnames) }
92	/* DWARF 3 */
93	.debug_pubtypes 0 : { *(.debug_pubtypes) }
94	.debug_ranges	0 : { *(.debug_ranges) }
95	.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
96
97	. = ALIGN(PAGE_SIZE);
98	PROVIDE(_vdso_data = .);
99
100	/DISCARD/	: {
101		*(.note.GNU-stack)
102		*(.branch_lt)
103		*(.data .data.* .gnu.linkonce.d.* .sdata*)
104		*(.bss .sbss .dynbss .dynsbss)
105	}
106}
107
108/*
109 * Very old versions of ld do not recognize this name token; use the constant.
110 */
111#define PT_GNU_EH_FRAME	0x6474e550
112
113/*
114 * We must supply the ELF program headers explicitly to get just one
115 * PT_LOAD segment, and set the flags explicitly to make segments read-only.
116 */
117PHDRS
118{
119	text		PT_LOAD FILEHDR PHDRS FLAGS(5);	/* PF_R|PF_X */
120	dynamic		PT_DYNAMIC FLAGS(4);		/* PF_R */
121	note		PT_NOTE FLAGS(4);		/* PF_R */
122	eh_frame_hdr	PT_GNU_EH_FRAME;
123}
124
125/*
126 * This controls what symbols we export from the DSO.
127 */
128VERSION
129{
130	VDSO_VERSION_STRING {
131	global:
132		/*
133		 * Has to be there for the kernel to find
134		 */
135		__kernel_gettimeofday;
136		__kernel_clock_gettime;
137		__kernel_clock_getres;
138		__kernel_getcpu;
139	local: *;
140	};
141}
142