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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 PROVIDE(_vdso_data = . - __VVAR_PAGES * PAGE_SIZE);
17#ifdef CONFIG_TIME_NS
18 PROVIDE(_timens_data = _vdso_data + PAGE_SIZE);
19#endif
20 . = VDSO_LBASE + SIZEOF_HEADERS;
21
22 .hash : { *(.hash) } :text
23 .gnu.hash : { *(.gnu.hash) }
24 .dynsym : { *(.dynsym) }
25 .dynstr : { *(.dynstr) }
26 .gnu.version : { *(.gnu.version) }
27 .gnu.version_d : { *(.gnu.version_d) }
28 .gnu.version_r : { *(.gnu.version_r) }
29
30 .note : { *(.note.*) } :text :note
31
32 . = ALIGN(16);
33 .text : {
34 *(.text .stub .text.* .gnu.linkonce.t.*)
35 } :text
36 PROVIDE(__etext = .);
37 PROVIDE(_etext = .);
38 PROVIDE(etext = .);
39
40 /*
41 * Other stuff is appended to the text segment:
42 */
43 .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
44 .rodata1 : { *(.rodata1) }
45
46 .dynamic : { *(.dynamic) } :text :dynamic
47
48 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr
49 .eh_frame : { KEEP (*(.eh_frame)) } :text
50 .gcc_except_table : { *(.gcc_except_table .gcc_except_table.*) }
51
52 .rela.dyn ALIGN(8) : { *(.rela.dyn) }
53 .got ALIGN(8) : { *(.got .toc) }
54 .got.plt ALIGN(8) : { *(.got.plt) }
55
56 _end = .;
57 PROVIDE(end = .);
58
59 /*
60 * Stabs debugging sections are here too.
61 */
62 .stab 0 : { *(.stab) }
63 .stabstr 0 : { *(.stabstr) }
64 .stab.excl 0 : { *(.stab.excl) }
65 .stab.exclstr 0 : { *(.stab.exclstr) }
66 .stab.index 0 : { *(.stab.index) }
67 .stab.indexstr 0 : { *(.stab.indexstr) }
68 .comment 0 : { *(.comment) }
69
70 /*
71 * DWARF debug sections.
72 * Symbols in the DWARF debugging sections are relative to the
73 * beginning of the section so we begin them at 0.
74 */
75 /* DWARF 1 */
76 .debug 0 : { *(.debug) }
77 .line 0 : { *(.line) }
78 /* GNU DWARF 1 extensions */
79 .debug_srcinfo 0 : { *(.debug_srcinfo) }
80 .debug_sfnames 0 : { *(.debug_sfnames) }
81 /* DWARF 1.1 and DWARF 2 */
82 .debug_aranges 0 : { *(.debug_aranges) }
83 .debug_pubnames 0 : { *(.debug_pubnames) }
84 /* DWARF 2 */
85 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
86 .debug_abbrev 0 : { *(.debug_abbrev) }
87 .debug_line 0 : { *(.debug_line) }
88 .debug_frame 0 : { *(.debug_frame) }
89 .debug_str 0 : { *(.debug_str) }
90 .debug_loc 0 : { *(.debug_loc) }
91 .debug_macinfo 0 : { *(.debug_macinfo) }
92 /* SGI/MIPS DWARF 2 extensions */
93 .debug_weaknames 0 : { *(.debug_weaknames) }
94 .debug_funcnames 0 : { *(.debug_funcnames) }
95 .debug_typenames 0 : { *(.debug_typenames) }
96 .debug_varnames 0 : { *(.debug_varnames) }
97 /* DWARF 3 */
98 .debug_pubtypes 0 : { *(.debug_pubtypes) }
99 .debug_ranges 0 : { *(.debug_ranges) }
100 .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
101
102 /DISCARD/ : {
103 *(.note.GNU-stack)
104 *(.branch_lt)
105 *(.data .data.* .gnu.linkonce.d.* .sdata*)
106 *(.bss .sbss .dynbss .dynsbss)
107 }
108}
109
110/*
111 * Very old versions of ld do not recognize this name token; use the constant.
112 */
113#define PT_GNU_EH_FRAME 0x6474e550
114
115/*
116 * We must supply the ELF program headers explicitly to get just one
117 * PT_LOAD segment, and set the flags explicitly to make segments read-only.
118 */
119PHDRS
120{
121 text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */
122 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
123 note PT_NOTE FLAGS(4); /* PF_R */
124 eh_frame_hdr PT_GNU_EH_FRAME;
125}
126
127/*
128 * This controls what symbols we export from the DSO.
129 */
130VERSION
131{
132 VDSO_VERSION_STRING {
133 global:
134 /*
135 * Has to be there for the kernel to find
136 */
137 __kernel_gettimeofday;
138 __kernel_clock_gettime;
139 __kernel_clock_getres;
140 __kernel_getcpu;
141 __kernel_restart_syscall;
142 __kernel_rt_sigreturn;
143 __kernel_sigreturn;
144 local: *;
145 };
146}
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/vdso/vsyscall.h>
8#include <asm/page.h>
9#include <asm/vdso.h>
10
11OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390")
12OUTPUT_ARCH(s390:64-bit)
13
14SECTIONS
15{
16 PROVIDE(_vdso_data = . - __VVAR_PAGES * PAGE_SIZE);
17 PROVIDE(_vdso_rng_data = _vdso_data + __VDSO_RND_DATA_OFFSET);
18#ifdef CONFIG_TIME_NS
19 PROVIDE(_timens_data = _vdso_data + PAGE_SIZE);
20#endif
21 . = SIZEOF_HEADERS;
22
23 .hash : { *(.hash) } :text
24 .gnu.hash : { *(.gnu.hash) }
25 .dynsym : { *(.dynsym) }
26 .dynstr : { *(.dynstr) }
27 .gnu.version : { *(.gnu.version) }
28 .gnu.version_d : { *(.gnu.version_d) }
29 .gnu.version_r : { *(.gnu.version_r) }
30
31 .note : { *(.note.*) } :text :note
32
33 . = ALIGN(16);
34 .text : {
35 *(.text .stub .text.* .gnu.linkonce.t.*)
36 } :text
37 PROVIDE(__etext = .);
38 PROVIDE(_etext = .);
39 PROVIDE(etext = .);
40
41 /*
42 * Other stuff is appended to the text segment:
43 */
44 .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
45 .rodata1 : { *(.rodata1) }
46
47 . = ALIGN(8);
48 .altinstructions : { *(.altinstructions) }
49 .altinstr_replacement : { *(.altinstr_replacement) }
50
51 .dynamic : { *(.dynamic) } :text :dynamic
52
53 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr
54 .eh_frame : { KEEP (*(.eh_frame)) } :text
55 .gcc_except_table : { *(.gcc_except_table .gcc_except_table.*) }
56
57 .rela.dyn ALIGN(8) : { *(.rela.dyn) }
58 .got ALIGN(8) : { *(.got .toc) }
59 .got.plt ALIGN(8) : { *(.got.plt) }
60
61 _end = .;
62 PROVIDE(end = .);
63
64 /*
65 * Stabs debugging sections are here too.
66 */
67 .stab 0 : { *(.stab) }
68 .stabstr 0 : { *(.stabstr) }
69 .stab.excl 0 : { *(.stab.excl) }
70 .stab.exclstr 0 : { *(.stab.exclstr) }
71 .stab.index 0 : { *(.stab.index) }
72 .stab.indexstr 0 : { *(.stab.indexstr) }
73 .comment 0 : { *(.comment) }
74
75 /*
76 * DWARF debug sections.
77 * Symbols in the DWARF debugging sections are relative to the
78 * beginning of the section so we begin them at 0.
79 */
80 /* DWARF 1 */
81 .debug 0 : { *(.debug) }
82 .line 0 : { *(.line) }
83 /* GNU DWARF 1 extensions */
84 .debug_srcinfo 0 : { *(.debug_srcinfo) }
85 .debug_sfnames 0 : { *(.debug_sfnames) }
86 /* DWARF 1.1 and DWARF 2 */
87 .debug_aranges 0 : { *(.debug_aranges) }
88 .debug_pubnames 0 : { *(.debug_pubnames) }
89 /* DWARF 2 */
90 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
91 .debug_abbrev 0 : { *(.debug_abbrev) }
92 .debug_line 0 : { *(.debug_line) }
93 .debug_frame 0 : { *(.debug_frame) }
94 .debug_str 0 : { *(.debug_str) }
95 .debug_loc 0 : { *(.debug_loc) }
96 .debug_macinfo 0 : { *(.debug_macinfo) }
97 /* SGI/MIPS DWARF 2 extensions */
98 .debug_weaknames 0 : { *(.debug_weaknames) }
99 .debug_funcnames 0 : { *(.debug_funcnames) }
100 .debug_typenames 0 : { *(.debug_typenames) }
101 .debug_varnames 0 : { *(.debug_varnames) }
102 /* DWARF 3 */
103 .debug_pubtypes 0 : { *(.debug_pubtypes) }
104 .debug_ranges 0 : { *(.debug_ranges) }
105 .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
106
107 /DISCARD/ : {
108 *(.note.GNU-stack)
109 *(.branch_lt)
110 *(.data .data.* .gnu.linkonce.d.* .sdata*)
111 *(.bss .sbss .dynbss .dynsbss)
112 }
113}
114
115/*
116 * Very old versions of ld do not recognize this name token; use the constant.
117 */
118#define PT_GNU_EH_FRAME 0x6474e550
119
120/*
121 * We must supply the ELF program headers explicitly to get just one
122 * PT_LOAD segment, and set the flags explicitly to make segments read-only.
123 */
124PHDRS
125{
126 text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */
127 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
128 note PT_NOTE FLAGS(4); /* PF_R */
129 eh_frame_hdr PT_GNU_EH_FRAME;
130}
131
132/*
133 * This controls what symbols we export from the DSO.
134 */
135VERSION
136{
137 VDSO_VERSION_STRING {
138 global:
139 /*
140 * Has to be there for the kernel to find
141 */
142 __kernel_gettimeofday;
143 __kernel_clock_gettime;
144 __kernel_clock_getres;
145 __kernel_getcpu;
146 __kernel_restart_syscall;
147 __kernel_rt_sigreturn;
148 __kernel_sigreturn;
149 __kernel_getrandom;
150 local: *;
151 };
152}