blob: 0dabe5b43cc076ef77f473ff50997c98f767f9c0 [file] [log] [blame]
Tejun Heo405d9672009-06-24 15:13:38 +09001/*
2 * Common module linker script, always used when linking a module.
3 * Archs are free to supply their own linker scripts. ld will
4 * combine them automatically.
5 */
Sami Tolvanen28aad1c2021-04-08 11:28:29 -07006#ifdef CONFIG_CFI_CLANG
7# include <asm/page.h>
8# define ALIGN_CFI ALIGN(PAGE_SIZE)
9# define SANITIZER_DISCARDS *(.eh_frame)
10#else
11# define ALIGN_CFI
12# define SANITIZER_DISCARDS
13#endif
14
Tejun Heo405d9672009-06-24 15:13:38 +090015SECTIONS {
Josh Poimboeufe390f9a2017-03-01 12:04:44 -060016 /DISCARD/ : {
17 *(.discard)
18 *(.discard.*)
Sami Tolvanen28aad1c2021-04-08 11:28:29 -070019 SANITIZER_DISCARDS
Josh Poimboeufe390f9a2017-03-01 12:04:44 -060020 }
Alessio Igor Boganif02e8a62011-04-14 14:59:39 +020021
Rabin Vincent5d8591b2015-02-06 15:09:57 +103022 __ksymtab 0 : { *(SORT(___ksymtab+*)) }
23 __ksymtab_gpl 0 : { *(SORT(___ksymtab_gpl+*)) }
Rabin Vincent5d8591b2015-02-06 15:09:57 +103024 __kcrctab 0 : { *(SORT(___kcrctab+*)) }
25 __kcrctab_gpl 0 : { *(SORT(___kcrctab_gpl+*)) }
Andrey Ryabinin9ddf8252015-02-13 14:40:10 -080026
Reiner Huober4c5afb72021-07-06 15:02:52 +020027 .ctors 0 : ALIGN(8) { *(SORT(.ctors.*)) *(.ctors) }
David Daney5bd933f2017-03-07 17:31:08 -080028 .init_array 0 : ALIGN(8) { *(SORT(.init_array.*)) *(.init_array) }
David Daneyab426322017-03-01 14:04:53 -080029
Helge Deller9774b962022-07-08 11:44:54 +020030 .altinstructions 0 : ALIGN(8) { KEEP(*(.altinstructions)) }
31 __bug_table 0 : ALIGN(8) { KEEP(*(__bug_table)) }
David Daneyab426322017-03-01 14:04:53 -080032 __jump_table 0 : ALIGN(8) { KEEP(*(__jump_table)) }
Sami Tolvanendd277622020-12-11 10:46:22 -080033
34 __patchable_function_entries : { *(__patchable_function_entries) }
35
Eric Biggers6da26b82023-01-06 05:07:18 +000036#if IS_ENABLED(CONFIG_CRYPTO_FIPS140_MOD)
Eric Biggers57be8912023-01-06 05:07:15 +000037 /*
38 * The FIPS140 module incorporates copies of builtin code, which gets
39 * integrity checked at module load time, and registered in a way that
40 * ensures that the integrity checked versions supersede the builtin
41 * ones. These objects are compiled as builtin code, and so their init
42 * hooks will be exported from the binary in the same way as builtin
43 * initcalls are, i.e., annotated with a level that defines the order
44 * in which the hooks are expected to be invoked.
45 */
46#define INIT_CALLS_LEVEL(level) \
47 KEEP(*(.initcall##level##.init*)) \
48 KEEP(*(.initcall##level##s.init*))
49
50 .initcalls : {
51 *(.initcalls._start)
52 INIT_CALLS_LEVEL(0)
53 INIT_CALLS_LEVEL(1)
54 INIT_CALLS_LEVEL(2)
55 INIT_CALLS_LEVEL(3)
56 INIT_CALLS_LEVEL(4)
57 INIT_CALLS_LEVEL(5)
58 INIT_CALLS_LEVEL(rootfs)
59 INIT_CALLS_LEVEL(6)
60 INIT_CALLS_LEVEL(7)
61 *(.initcalls._end)
62 }
63#endif
64
Eric Biggersae4ca7a2023-01-06 05:07:20 +000065#if defined(CONFIG_LTO_CLANG) || IS_ENABLED(CONFIG_CRYPTO_FIPS140_MOD)
Sami Tolvanendd277622020-12-11 10:46:22 -080066 /*
67 * With CONFIG_LTO_CLANG, LLD always enables -fdata-sections and
68 * -ffunction-sections, which increases the size of the final module.
69 * Merge the split sections in the final binary.
70 */
71 .bss : {
72 *(.bss .bss.[0-9a-zA-Z_]*)
73 *(.bss..L*)
74 }
75
76 .data : {
77 *(.data .data.[0-9a-zA-Z_]*)
78 *(.data..L*)
79 }
80
81 .rodata : {
Ard Biesheuvel5651d742021-03-23 10:54:38 +010082 *(.rodata.._start)
Sami Tolvanendd277622020-12-11 10:46:22 -080083 *(.rodata .rodata.[0-9a-zA-Z_]*)
84 *(.rodata..L*)
Ard Biesheuvel5651d742021-03-23 10:54:38 +010085 *(.rodata.._end)
Sami Tolvanendd277622020-12-11 10:46:22 -080086 }
87
Sami Tolvanen28aad1c2021-04-08 11:28:29 -070088 /*
89 * With CONFIG_CFI_CLANG, we assume __cfi_check is at the beginning
90 * of the .text section, and is aligned to PAGE_SIZE.
91 */
92 .text : ALIGN_CFI {
Ard Biesheuvel5651d742021-03-23 10:54:38 +010093 *(.text.._start)
Sami Tolvanen28aad1c2021-04-08 11:28:29 -070094 *(.text.__cfi_check)
95 *(.text .text.[0-9a-zA-Z_]* .text..L.cfi*)
Ard Biesheuvel5651d742021-03-23 10:54:38 +010096 *(.text.._end)
97 *(.text.._fips140_unchecked)
Sami Tolvanen28aad1c2021-04-08 11:28:29 -070098 }
Sean Christopherson6a3193c2021-03-22 16:44:38 -070099#endif
Tejun Heo405d9672009-06-24 15:13:38 +0900100}
Masahiro Yamada596b0472020-09-08 13:27:08 +0900101
102/* bring in arch-specific sections */
103#include <asm/module.lds.h>