xref: /linux/scripts/module.lds.S (revision bfb921b2a9d5d1123d1d10b196a39db629ddef87)
1/*
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 */
6#ifdef CONFIG_UNWIND_TABLES
7#define DISCARD_EH_FRAME
8#else
9#define DISCARD_EH_FRAME	*(.eh_frame)
10#endif
11
12#include <asm-generic/codetag.lds.h>
13
14SECTIONS {
15	/DISCARD/ : {
16		*(.discard)
17		*(.discard.*)
18		*(.export_symbol)
19	}
20
21	__ksymtab		0 : { *(SORT(___ksymtab+*)) }
22	__ksymtab_gpl		0 : { *(SORT(___ksymtab_gpl+*)) }
23	__kcrctab		0 : { *(SORT(___kcrctab+*)) }
24	__kcrctab_gpl		0 : { *(SORT(___kcrctab_gpl+*)) }
25
26	.ctors			0 : ALIGN(8) { *(SORT(.ctors.*)) *(.ctors) }
27	.init_array		0 : ALIGN(8) { *(SORT(.init_array.*)) *(.init_array) }
28
29	.altinstructions	0 : ALIGN(8) { KEEP(*(.altinstructions)) }
30	__bug_table		0 : ALIGN(8) { KEEP(*(__bug_table)) }
31	__jump_table		0 : ALIGN(8) { KEEP(*(__jump_table)) }
32
33	__patchable_function_entries : { *(__patchable_function_entries) }
34
35#ifdef CONFIG_ARCH_USES_CFI_TRAPS
36	__kcfi_traps 		: { KEEP(*(.kcfi_traps)) }
37#endif
38
39#ifdef CONFIG_LTO_CLANG
40	/*
41	 * With CONFIG_LTO_CLANG, LLD always enables -fdata-sections and
42	 * -ffunction-sections, which increases the size of the final module.
43	 * Merge the split sections in the final binary.
44	 */
45	.bss : {
46		*(.bss .bss.[0-9a-zA-Z_]*)
47		*(.bss..L*)
48	}
49
50	.data : {
51		*(.data .data.[0-9a-zA-Z_]*)
52		*(.data..L*)
53		CODETAG_SECTIONS()
54	}
55
56	.rodata : {
57		*(.rodata .rodata.[0-9a-zA-Z_]*)
58		*(.rodata..L*)
59	}
60#else
61	.data : {
62		CODETAG_SECTIONS()
63	}
64#endif
65}
66
67/* bring in arch-specific sections */
68#include <asm/module.lds.h>
69