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
10 OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390")
11 OUTPUT_ARCH(s390:31-bit)
12
13 SECTIONS
14 {
15 PROVIDE(_vdso_data = . - __VVAR_PAGES * PAGE_SIZE);
16 #ifdef CONFIG_TIME_NS
17 PROVIDE(_timens_data = _vdso_data + PAGE_SIZE);
18 #endif
19 . = VDSO_LBASE + SIZEOF_HEADERS;
20
21 .hash : { *(.hash) } :text
22 .gnu.hash : { *(.gnu.hash) }
23 .dynsym : { *(.dynsym) }
24 .dynstr : { *(.dynstr) }
25 .gnu.version : { *(.gnu.version) }
26 .gnu.version_d : { *(.gnu.version_d) }
27 .gnu.version_r : { *(.gnu.version_r) }
28
29 .note : { *(.note.*) } :text :note
30
31 . = ALIGN(16);
32 .text : {
33 *(.text .stub .text.* .gnu.linkonce.t.*)
34 } :text
35 PROVIDE(__etext = .);
36 PROVIDE(_etext = .);
37 PROVIDE(etext = .);
38
39 /*
40 * Other stuff is appended to the text segment:
41 */
42 .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
43 .rodata1 : { *(.rodata1) }
44
45 .dynamic : { *(.dynamic) } :text :dynamic
46
47 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr
48 .eh_frame : { KEEP (*(.eh_frame)) } :text
49 .gcc_except_table : { *(.gcc_except_table .gcc_except_table.*) }
50
51 .rela.dyn ALIGN(8) : { *(.rela.dyn) }
52 .got ALIGN(8) : { *(.got .toc) }
53 .got.plt ALIGN(8) : { *(.got.plt) }
54
55 _end = .;
56 PROVIDE(end = .);
57
58 /*
59 * Stabs debugging sections are here too.
60 */
61 .stab 0 : { *(.stab) }
62 .stabstr 0 : { *(.stabstr) }
63 .stab.excl 0 : { *(.stab.excl) }
64 .stab.exclstr 0 : { *(.stab.exclstr) }
65 .stab.index 0 : { *(.stab.index) }
66 .stab.indexstr 0 : { *(.stab.indexstr) }
67 .comment 0 : { *(.comment) }
68
69 /*
70 * DWARF debug sections.
71 * Symbols in the DWARF debugging sections are relative to the
72 * beginning of the section so we begin them at 0.
73 */
74 /* DWARF 1 */
75 .debug 0 : { *(.debug) }
76 .line 0 : { *(.line) }
77 /* GNU DWARF 1 extensions */
78 .debug_srcinfo 0 : { *(.debug_srcinfo) }
79 .debug_sfnames 0 : { *(.debug_sfnames) }
80 /* DWARF 1.1 and DWARF 2 */
81 .debug_aranges 0 : { *(.debug_aranges) }
82 .debug_pubnames 0 : { *(.debug_pubnames) }
83 /* DWARF 2 */
84 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
85 .debug_abbrev 0 : { *(.debug_abbrev) }
86 .debug_line 0 : { *(.debug_line) }
87 .debug_frame 0 : { *(.debug_frame) }
88 .debug_str 0 : { *(.debug_str) }
89 .debug_loc 0 : { *(.debug_loc) }
90 .debug_macinfo 0 : { *(.debug_macinfo) }
91 /* SGI/MIPS DWARF 2 extensions */
92 .debug_weaknames 0 : { *(.debug_weaknames) }
93 .debug_funcnames 0 : { *(.debug_funcnames) }
94 .debug_typenames 0 : { *(.debug_typenames) }
95 .debug_varnames 0 : { *(.debug_varnames) }
96 /* DWARF 3 */
97 .debug_pubtypes 0 : { *(.debug_pubtypes) }
98 .debug_ranges 0 : { *(.debug_ranges) }
99 .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
100
101 /DISCARD/ : {
102 *(.note.GNU-stack)
103 *(.branch_lt)
104 *(.data .data.* .gnu.linkonce.d.* .sdata*)
105 *(.bss .sbss .dynbss .dynsbss)
106 }
107 }
108
109 /*
110 * Very old versions of ld do not recognize this name token; use the constant.
111 */
112 #define PT_GNU_EH_FRAME 0x6474e550
113
114 /*
115 * We must supply the ELF program headers explicitly to get just one
116 * PT_LOAD segment, and set the flags explicitly to make segments read-only.
117 */
118 PHDRS
119 {
120 text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */
121 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
122 note PT_NOTE FLAGS(4); /* PF_R */
123 eh_frame_hdr PT_GNU_EH_FRAME;
124 }
125
126 /*
127 * This controls what symbols we export from the DSO.
128 */
129 VERSION
130 {
131 VDSO_VERSION_STRING {
132 global:
133 /*
134 * Has to be there for the kernel to find
135 */
136 __kernel_compat_restart_syscall;
137 __kernel_compat_rt_sigreturn;
138 __kernel_compat_sigreturn;
139 local: *;
140 };
141 }
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