1 /* SPDX-License-Identifier: GPL-2.0-or-later * 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* 2 /*
3 * Copyright (C) 2015 Imagination Technologies 3 * Copyright (C) 2015 Imagination Technologies
4 * Author: Alex Smith <alex.smith@imgtec.com> 4 * Author: Alex Smith <alex.smith@imgtec.com>
5 */ 5 */
6 6
7 #include <asm/sgidefs.h> 7 #include <asm/sgidefs.h>
8 8
9 #if _MIPS_SIM == _MIPS_SIM_ABI64 9 #if _MIPS_SIM == _MIPS_SIM_ABI64
10 OUTPUT_FORMAT("elf64-tradlittlemips", "elf64-t 10 OUTPUT_FORMAT("elf64-tradlittlemips", "elf64-tradbigmips", "elf64-tradlittlemips")
11 #elif _MIPS_SIM == _MIPS_SIM_NABI32 11 #elif _MIPS_SIM == _MIPS_SIM_NABI32
12 OUTPUT_FORMAT("elf32-ntradlittlemips", "elf32- 12 OUTPUT_FORMAT("elf32-ntradlittlemips", "elf32-ntradbigmips", "elf32-ntradlittlemips")
13 #else 13 #else
14 OUTPUT_FORMAT("elf32-tradlittlemips", "elf32-t 14 OUTPUT_FORMAT("elf32-tradlittlemips", "elf32-tradbigmips", "elf32-tradlittlemips")
15 #endif 15 #endif
16 16
17 OUTPUT_ARCH(mips) 17 OUTPUT_ARCH(mips)
18 18
19 SECTIONS 19 SECTIONS
20 { 20 {
21 PROVIDE(_start = .); 21 PROVIDE(_start = .);
22 . = SIZEOF_HEADERS; 22 . = SIZEOF_HEADERS;
23 23
24 /* 24 /*
25 * In order to retain compatibility wi 25 * In order to retain compatibility with older toolchains we provide the
26 * ABI flags section ourself. Newer as 26 * ABI flags section ourself. Newer assemblers will automatically
27 * generate .MIPS.abiflags sections so 27 * generate .MIPS.abiflags sections so we discard such input sections,
28 * and then manually define our own se 28 * and then manually define our own section here. genvdso will patch
29 * this section to have the correct na 29 * this section to have the correct name/type.
30 */ 30 */
31 .mips_abiflags : { *(.mips_abiflags) 31 .mips_abiflags : { *(.mips_abiflags) } :text :abiflags
32 32
33 .reginfo : { *(.reginfo) } 33 .reginfo : { *(.reginfo) } :text :reginfo
34 34
35 .hash : { *(.hash) } 35 .hash : { *(.hash) } :text
36 .gnu.hash : { *(.gnu.hash) } 36 .gnu.hash : { *(.gnu.hash) }
37 .dynsym : { *(.dynsym) } 37 .dynsym : { *(.dynsym) }
38 .dynstr : { *(.dynstr) } 38 .dynstr : { *(.dynstr) }
39 .gnu.version : { *(.gnu.version) } 39 .gnu.version : { *(.gnu.version) }
40 .gnu.version_d : { *(.gnu.version_d) 40 .gnu.version_d : { *(.gnu.version_d) }
41 .gnu.version_r : { *(.gnu.version_r) 41 .gnu.version_r : { *(.gnu.version_r) }
42 42
43 .note : { *(.note.*) } 43 .note : { *(.note.*) } :text :note
44 44
45 .text : { *(.text*) } 45 .text : { *(.text*) } :text
46 PROVIDE (__etext = .); 46 PROVIDE (__etext = .);
47 PROVIDE (_etext = .); 47 PROVIDE (_etext = .);
48 PROVIDE (etext = .); 48 PROVIDE (etext = .);
49 49
50 .eh_frame_hdr : { *(.eh_frame_hdr) } 50 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr
51 .eh_frame : { KEEP (*(.eh_frame) 51 .eh_frame : { KEEP (*(.eh_frame)) } :text
52 52
53 .dynamic : { *(.dynamic) } 53 .dynamic : { *(.dynamic) } :text :dynamic
54 54
55 .rodata : { *(.rodata*) } 55 .rodata : { *(.rodata*) } :text
56 56
57 _end = .; 57 _end = .;
58 PROVIDE(end = .); 58 PROVIDE(end = .);
59 59
60 /DISCARD/ : { 60 /DISCARD/ : {
61 *(.MIPS.abiflags) 61 *(.MIPS.abiflags)
62 *(.gnu.attributes) 62 *(.gnu.attributes)
63 *(.note.GNU-stack) 63 *(.note.GNU-stack)
64 *(.data .data.* .gnu.linkonce. 64 *(.data .data.* .gnu.linkonce.d.* .sdata*)
65 *(.bss .sbss .dynbss .dynsbss) 65 *(.bss .sbss .dynbss .dynsbss)
66 } 66 }
67 } 67 }
68 68
69 PHDRS 69 PHDRS
70 { 70 {
71 /* 71 /*
72 * Provide a PT_MIPS_ABIFLAGS header t 72 * Provide a PT_MIPS_ABIFLAGS header to assign the ABI flags section
73 * to. We can specify the header type 73 * to. We can specify the header type directly here so no modification
74 * is needed later on. 74 * is needed later on.
75 */ 75 */
76 abiflags 0x70000003; 76 abiflags 0x70000003;
77 77
78 /* 78 /*
79 * The ABI flags header must exist dir 79 * The ABI flags header must exist directly after the PT_INTERP header,
80 * so we must explicitly place the PT_ 80 * so we must explicitly place the PT_MIPS_REGINFO header after it to
81 * stop the linker putting one in at t 81 * stop the linker putting one in at the start.
82 */ 82 */
83 reginfo 0x70000000; 83 reginfo 0x70000000;
84 84
85 text PT_LOAD FLAGS( 85 text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */
86 dynamic PT_DYNAMIC FLAGS( 86 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
87 note PT_NOTE FLAGS( 87 note PT_NOTE FLAGS(4); /* PF_R */
88 eh_frame_hdr PT_GNU_EH_FRAME; 88 eh_frame_hdr PT_GNU_EH_FRAME;
89 } 89 }
90 90
91 VERSION 91 VERSION
92 { 92 {
93 LINUX_2.6 { 93 LINUX_2.6 {
94 #ifndef CONFIG_MIPS_DISABLE_VDSO 94 #ifndef CONFIG_MIPS_DISABLE_VDSO
95 global: 95 global:
96 __vdso_clock_gettime; 96 __vdso_clock_gettime;
97 #ifdef CONFIG_MIPS_CLOCK_VSYSCALL 97 #ifdef CONFIG_MIPS_CLOCK_VSYSCALL
98 __vdso_gettimeofday; 98 __vdso_gettimeofday;
99 #endif 99 #endif
100 __vdso_clock_getres; 100 __vdso_clock_getres;
101 #if _MIPS_SIM != _MIPS_SIM_ABI64 101 #if _MIPS_SIM != _MIPS_SIM_ABI64
102 __vdso_clock_gettime64; 102 __vdso_clock_gettime64;
103 #endif 103 #endif
104 #endif 104 #endif
105 local: *; 105 local: *;
106 }; 106 };
107 } 107 }
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