1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * Copyright (C) 2015 Imagination Technologies
4 * Author: Alex Smith <alex.smith@imgtec.com>
5 */
6
7 #include <asm/sgidefs.h>
8
9 #if _MIPS_SIM == _MIPS_SIM_ABI64
10 OUTPUT_FORMAT("elf64-tradlittlemips", "elf64-tradbigmips", "elf64-tradlittlemips")
11 #elif _MIPS_SIM == _MIPS_SIM_NABI32
12 OUTPUT_FORMAT("elf32-ntradlittlemips", "elf32-ntradbigmips", "elf32-ntradlittlemips")
13 #else
14 OUTPUT_FORMAT("elf32-tradlittlemips", "elf32-tradbigmips", "elf32-tradlittlemips")
15 #endif
16
17 OUTPUT_ARCH(mips)
18
19 SECTIONS
20 {
21 PROVIDE(_start = .);
22 . = SIZEOF_HEADERS;
23
24 /*
25 * In order to retain compatibility with older toolchains we provide the
26 * ABI flags section ourself. Newer assemblers will automatically
27 * generate .MIPS.abiflags sections so we discard such input sections,
28 * and then manually define our own section here. genvdso will patch
29 * this section to have the correct name/type.
30 */
31 .mips_abiflags : { *(.mips_abiflags) } :text :abiflags
32
33 .reginfo : { *(.reginfo) } :text :reginfo
34
35 .hash : { *(.hash) } :text
36 .gnu.hash : { *(.gnu.hash) }
37 .dynsym : { *(.dynsym) }
38 .dynstr : { *(.dynstr) }
39 .gnu.version : { *(.gnu.version) }
40 .gnu.version_d : { *(.gnu.version_d) }
41 .gnu.version_r : { *(.gnu.version_r) }
42
43 .note : { *(.note.*) } :text :note
44
45 .text : { *(.text*) } :text
46 PROVIDE (__etext = .);
47 PROVIDE (_etext = .);
48 PROVIDE (etext = .);
49
50 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr
51 .eh_frame : { KEEP (*(.eh_frame)) } :text
52
53 .dynamic : { *(.dynamic) } :text :dynamic
54
55 .rodata : { *(.rodata*) } :text
56
57 _end = .;
58 PROVIDE(end = .);
59
60 /DISCARD/ : {
61 *(.MIPS.abiflags)
62 *(.gnu.attributes)
63 *(.note.GNU-stack)
64 *(.data .data.* .gnu.linkonce.d.* .sdata*)
65 *(.bss .sbss .dynbss .dynsbss)
66 }
67 }
68
69 PHDRS
70 {
71 /*
72 * Provide a PT_MIPS_ABIFLAGS header to assign the ABI flags section
73 * to. We can specify the header type directly here so no modification
74 * is needed later on.
75 */
76 abiflags 0x70000003;
77
78 /*
79 * The ABI flags header must exist directly after the PT_INTERP header,
80 * so we must explicitly place the PT_MIPS_REGINFO header after it to
81 * stop the linker putting one in at the start.
82 */
83 reginfo 0x70000000;
84
85 text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */
86 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
87 note PT_NOTE FLAGS(4); /* PF_R */
88 eh_frame_hdr PT_GNU_EH_FRAME;
89 }
90
91 VERSION
92 {
93 LINUX_2.6 {
94 #ifndef DISABLE_MIPS_VDSO
95 global:
96 __vdso_clock_gettime;
97 __vdso_gettimeofday;
98 __vdso_clock_getres;
99 #if _MIPS_SIM != _MIPS_SIM_ABI64
100 __vdso_clock_gettime64;
101 #endif
102 #endif
103 local: *;
104 };
105 }