1/*
2 * This is the infamous ld script for the 64 bits vdso
3 * library
4 */
5
6#include <asm/page.h>
7#include <asm/vdso.h>
8
9OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390")
10OUTPUT_ARCH(s390:64-bit)
11ENTRY(_start)
12
13SECTIONS
14{
15	. = VDSO64_LBASE + SIZEOF_HEADERS;
16
17	.hash		: { *(.hash) }			:text
18	.gnu.hash	: { *(.gnu.hash) }
19	.dynsym		: { *(.dynsym) }
20	.dynstr		: { *(.dynstr) }
21	.gnu.version	: { *(.gnu.version) }
22	.gnu.version_d	: { *(.gnu.version_d) }
23	.gnu.version_r	: { *(.gnu.version_r) }
24
25	.note		: { *(.note.*) }		:text	:note
26
27	. = ALIGN(16);
28	.text		: {
29		*(.text .stub .text.* .gnu.linkonce.t.*)
30	} :text
31	PROVIDE(__etext = .);
32	PROVIDE(_etext = .);
33	PROVIDE(etext = .);
34
35	/*
36	 * Other stuff is appended to the text segment:
37	 */
38	.rodata		: { *(.rodata .rodata.* .gnu.linkonce.r.*) }
39	.rodata1	: { *(.rodata1) }
40
41	.dynamic	: { *(.dynamic) }		:text	:dynamic
42
43	.eh_frame_hdr	: { *(.eh_frame_hdr) }		:text	:eh_frame_hdr
44	.eh_frame	: { KEEP (*(.eh_frame)) }	:text
45	.gcc_except_table : { *(.gcc_except_table .gcc_except_table.*) }
46
47	.rela.dyn ALIGN(8) : { *(.rela.dyn) }
48	.got ALIGN(8)	: { *(.got .toc) }
49
50	_end = .;
51	PROVIDE(end = .);
52
53	/*
54	 * Stabs debugging sections are here too.
55	 */
56	.stab	       0 : { *(.stab) }
57	.stabstr       0 : { *(.stabstr) }
58	.stab.excl     0 : { *(.stab.excl) }
59	.stab.exclstr  0 : { *(.stab.exclstr) }
60	.stab.index    0 : { *(.stab.index) }
61	.stab.indexstr 0 : { *(.stab.indexstr) }
62	.comment       0 : { *(.comment) }
63
64	/*
65	 * DWARF debug sections.
66	 * Symbols in the DWARF debugging sections are relative to the
67	 * beginning of the section so we begin them at 0.
68	 */
69	/* DWARF 1 */
70	.debug		0 : { *(.debug) }
71	.line		0 : { *(.line) }
72	/* GNU DWARF 1 extensions */
73	.debug_srcinfo	0 : { *(.debug_srcinfo) }
74	.debug_sfnames	0 : { *(.debug_sfnames) }
75	/* DWARF 1.1 and DWARF 2 */
76	.debug_aranges	0 : { *(.debug_aranges) }
77	.debug_pubnames 0 : { *(.debug_pubnames) }
78	/* DWARF 2 */
79	.debug_info	0 : { *(.debug_info .gnu.linkonce.wi.*) }
80	.debug_abbrev	0 : { *(.debug_abbrev) }
81	.debug_line	0 : { *(.debug_line) }
82	.debug_frame	0 : { *(.debug_frame) }
83	.debug_str	0 : { *(.debug_str) }
84	.debug_loc	0 : { *(.debug_loc) }
85	.debug_macinfo	0 : { *(.debug_macinfo) }
86	/* SGI/MIPS DWARF 2 extensions */
87	.debug_weaknames 0 : { *(.debug_weaknames) }
88	.debug_funcnames 0 : { *(.debug_funcnames) }
89	.debug_typenames 0 : { *(.debug_typenames) }
90	.debug_varnames  0 : { *(.debug_varnames) }
91	/* DWARF 3 */
92	.debug_pubtypes 0 : { *(.debug_pubtypes) }
93	.debug_ranges	0 : { *(.debug_ranges) }
94	.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
95
96	. = ALIGN(PAGE_SIZE);
97	PROVIDE(_vdso_data = .);
98
99	/DISCARD/	: {
100		*(.note.GNU-stack)
101		*(.branch_lt)
102		*(.data .data.* .gnu.linkonce.d.* .sdata*)
103		*(.bss .sbss .dynbss .dynsbss)
104	}
105}
106
107/*
108 * Very old versions of ld do not recognize this name token; use the constant.
109 */
110#define PT_GNU_EH_FRAME	0x6474e550
111
112/*
113 * We must supply the ELF program headers explicitly to get just one
114 * PT_LOAD segment, and set the flags explicitly to make segments read-only.
115 */
116PHDRS
117{
118	text		PT_LOAD FILEHDR PHDRS FLAGS(5);	/* PF_R|PF_X */
119	dynamic		PT_DYNAMIC FLAGS(4);		/* PF_R */
120	note		PT_NOTE FLAGS(4);		/* PF_R */
121	eh_frame_hdr	PT_GNU_EH_FRAME;
122}
123
124/*
125 * This controls what symbols we export from the DSO.
126 */
127VERSION
128{
129	VDSO_VERSION_STRING {
130	global:
131		/*
132		 * Has to be there for the kernel to find
133		 */
134		__kernel_gettimeofday;
135		__kernel_clock_gettime;
136		__kernel_clock_getres;
137		__kernel_getcpu;
138
139	local: *;
140	};
141}
142