blob: 9481e4b892ed139001cb544b3920832c7c76150e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* This is the infamous ld script for the 64 bits vdso
* library
*/
#include <asm/vdso.h>
#include <asm/page.h>
#include <asm-generic/vmlinux.lds.h>
#ifdef __LITTLE_ENDIAN__
OUTPUT_FORMAT("elf64-powerpcle", "elf64-powerpcle", "elf64-powerpcle")
#else
OUTPUT_FORMAT("elf64-powerpc", "elf64-powerpc", "elf64-powerpc")
#endif
OUTPUT_ARCH(powerpc:common64)
SECTIONS
{
PROVIDE(_vdso_datapage = . - 2 * PAGE_SIZE);
. = SIZEOF_HEADERS;
.hash : { *(.hash) } :text
.gnu.hash : { *(.gnu.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.gnu.version : { *(.gnu.version) }
.gnu.version_d : { *(.gnu.version_d) }
.gnu.version_r : { *(.gnu.version_r) }
.note : { *(.note.*) } :text :note
. = ALIGN(16);
.text : {
*(.text .stub .text.* .gnu.linkonce.t.* __ftr_alt_*)
*(.sfpr)
} :text
PROVIDE(__etext = .);
PROVIDE(_etext = .);
PROVIDE(etext = .);
. = ALIGN(8);
VDSO_ftr_fixup_start = .;
__ftr_fixup : { *(__ftr_fixup) }
VDSO_ftr_fixup_end = .;
. = ALIGN(8);
VDSO_mmu_ftr_fixup_start = .;
__mmu_ftr_fixup : { *(__mmu_ftr_fixup) }
VDSO_mmu_ftr_fixup_end = .;
. = ALIGN(8);
VDSO_lwsync_fixup_start = .;
__lwsync_fixup : { *(__lwsync_fixup) }
VDSO_lwsync_fixup_end = .;
. = ALIGN(8);
VDSO_fw_ftr_fixup_start = .;
__fw_ftr_fixup : { *(__fw_ftr_fixup) }
VDSO_fw_ftr_fixup_end = .;
/*
* Other stuff is appended to the text segment:
*/
.rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
.rodata1 : { *(.rodata1) }
.dynamic : { *(.dynamic) } :text :dynamic
.eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr
.eh_frame : { KEEP (*(.eh_frame)) } :text
.gcc_except_table : { *(.gcc_except_table) }
.rela.dyn ALIGN(8) : { *(.rela .rela*) }
.got ALIGN(8) : { *(.got .toc) }
_end = .;
PROVIDE(end = .);
DWARF_DEBUG
ELF_DETAILS
/DISCARD/ : {
*(.note.GNU-stack)
*(*.EMB.apuinfo)
*(.branch_lt)
*(.data .data.* .gnu.linkonce.d.* .sdata*)
*(.bss .sbss .dynbss .dynsbss)
*(.opd)
*(.glink .iplt .plt)
}
}
/*
* Very old versions of ld do not recognize this name token; use the constant.
*/
#define PT_GNU_EH_FRAME 0x6474e550
/*
* We must supply the ELF program headers explicitly to get just one
* PT_LOAD segment, and set the flags explicitly to make segments read-only.
*/
PHDRS
{
text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */
dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
note PT_NOTE FLAGS(4); /* PF_R */
eh_frame_hdr PT_GNU_EH_FRAME;
}
/*
* This controls what symbols we export from the DSO.
*/
VERSION
{
VDSO_VERSION_STRING {
global:
__kernel_get_syscall_map;
__kernel_gettimeofday;
__kernel_clock_gettime;
__kernel_clock_getres;
__kernel_get_tbfreq;
__kernel_sync_dicache;
__kernel_sigtramp_rt64;
__kernel_getcpu;
__kernel_time;
__kernel_getrandom;
local: *;
};
}
/*
* Make the sigreturn code visible to the kernel.
*/
VDSO_sigtramp_rt64 = __kernel_start_sigtramp_rt64;
|