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Diffstat (limited to 'arch/mips/vdso/vdso.lds.S')
-rw-r--r-- | arch/mips/vdso/vdso.lds.S | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/arch/mips/vdso/vdso.lds.S b/arch/mips/vdso/vdso.lds.S new file mode 100644 index 000000000000..8df7dd53e8e0 --- /dev/null +++ b/arch/mips/vdso/vdso.lds.S | |||
@@ -0,0 +1,105 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2015 Imagination Technologies | ||
3 | * Author: Alex Smith <alex.smith@imgtec.com> | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or modify it | ||
6 | * under the terms of the GNU General Public License as published by the | ||
7 | * Free Software Foundation; either version 2 of the License, or (at your | ||
8 | * option) any later version. | ||
9 | */ | ||
10 | |||
11 | #include <asm/sgidefs.h> | ||
12 | |||
13 | #if _MIPS_SIM == _MIPS_SIM_ABI64 | ||
14 | OUTPUT_FORMAT("elf64-tradlittlemips", "elf64-tradbigmips", "elf64-tradlittlemips") | ||
15 | #elif _MIPS_SIM == _MIPS_SIM_NABI32 | ||
16 | OUTPUT_FORMAT("elf32-ntradlittlemips", "elf32-ntradbigmips", "elf32-ntradlittlemips") | ||
17 | #else | ||
18 | OUTPUT_FORMAT("elf32-tradlittlemips", "elf32-tradbigmips", "elf32-tradlittlemips") | ||
19 | #endif | ||
20 | |||
21 | OUTPUT_ARCH(mips) | ||
22 | |||
23 | SECTIONS | ||
24 | { | ||
25 | PROVIDE(_start = .); | ||
26 | . = SIZEOF_HEADERS; | ||
27 | |||
28 | /* | ||
29 | * In order to retain compatibility with older toolchains we provide the | ||
30 | * ABI flags section ourself. Newer assemblers will automatically | ||
31 | * generate .MIPS.abiflags sections so we discard such input sections, | ||
32 | * and then manually define our own section here. genvdso will patch | ||
33 | * this section to have the correct name/type. | ||
34 | */ | ||
35 | .mips_abiflags : { *(.mips_abiflags) } :text :abiflags | ||
36 | |||
37 | .reginfo : { *(.reginfo) } :text :reginfo | ||
38 | |||
39 | .hash : { *(.hash) } :text | ||
40 | .gnu.hash : { *(.gnu.hash) } | ||
41 | .dynsym : { *(.dynsym) } | ||
42 | .dynstr : { *(.dynstr) } | ||
43 | .gnu.version : { *(.gnu.version) } | ||
44 | .gnu.version_d : { *(.gnu.version_d) } | ||
45 | .gnu.version_r : { *(.gnu.version_r) } | ||
46 | |||
47 | .note : { *(.note.*) } :text :note | ||
48 | |||
49 | .text : { *(.text*) } :text | ||
50 | PROVIDE (__etext = .); | ||
51 | PROVIDE (_etext = .); | ||
52 | PROVIDE (etext = .); | ||
53 | |||
54 | .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr | ||
55 | .eh_frame : { KEEP (*(.eh_frame)) } :text | ||
56 | |||
57 | .dynamic : { *(.dynamic) } :text :dynamic | ||
58 | |||
59 | .rodata : { *(.rodata*) } :text | ||
60 | |||
61 | _end = .; | ||
62 | PROVIDE(end = .); | ||
63 | |||
64 | /DISCARD/ : { | ||
65 | *(.MIPS.abiflags) | ||
66 | *(.gnu.attributes) | ||
67 | *(.note.GNU-stack) | ||
68 | *(.data .data.* .gnu.linkonce.d.* .sdata*) | ||
69 | *(.bss .sbss .dynbss .dynsbss) | ||
70 | } | ||
71 | } | ||
72 | |||
73 | PHDRS | ||
74 | { | ||
75 | /* | ||
76 | * Provide a PT_MIPS_ABIFLAGS header to assign the ABI flags section | ||
77 | * to. We can specify the header type directly here so no modification | ||
78 | * is needed later on. | ||
79 | */ | ||
80 | abiflags 0x70000003; | ||
81 | |||
82 | /* | ||
83 | * The ABI flags header must exist directly after the PT_INTERP header, | ||
84 | * so we must explicitly place the PT_MIPS_REGINFO header after it to | ||
85 | * stop the linker putting one in at the start. | ||
86 | */ | ||
87 | reginfo 0x70000000; | ||
88 | |||
89 | text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */ | ||
90 | dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ | ||
91 | note PT_NOTE FLAGS(4); /* PF_R */ | ||
92 | eh_frame_hdr PT_GNU_EH_FRAME; | ||
93 | } | ||
94 | |||
95 | VERSION | ||
96 | { | ||
97 | LINUX_2.6 { | ||
98 | #ifndef DISABLE_MIPS_VDSO | ||
99 | global: | ||
100 | __vdso_clock_gettime; | ||
101 | __vdso_gettimeofday; | ||
102 | #endif | ||
103 | local: *; | ||
104 | }; | ||
105 | } | ||