xref: /linux/scripts/module.lds.S (revision 69b54314c975f4dfd3a29d6b9211ab68fff46682)
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		*(.no_trim_symbol)
20	}
21
22	__ksymtab		0 : ALIGN(8) { *(SORT(___ksymtab+*)) }
23	__ksymtab_gpl		0 : ALIGN(8) { *(SORT(___ksymtab_gpl+*)) }
24	__kcrctab		0 : ALIGN(4) { *(SORT(___kcrctab+*)) }
25	__kcrctab_gpl		0 : ALIGN(4) { *(SORT(___kcrctab_gpl+*)) }
26
27	.ctors			0 : ALIGN(8) { *(SORT(.ctors.*)) *(.ctors) }
28	.init_array		0 : ALIGN(8) { *(SORT(.init_array.*)) *(.init_array) }
29
30	.altinstructions	0 : ALIGN(8) { KEEP(*(.altinstructions)) }
31	__bug_table		0 : ALIGN(8) { KEEP(*(__bug_table)) }
32	__jump_table		0 : ALIGN(8) { KEEP(*(__jump_table)) }
33	__ex_table		0 : ALIGN(4) { KEEP(*(__ex_table)) }
34
35	__patchable_function_entries : { *(__patchable_function_entries) }
36
37#ifdef CONFIG_ARCH_USES_CFI_TRAPS
38	__kcfi_traps 		: { KEEP(*(.kcfi_traps)) }
39#endif
40
41#ifdef CONFIG_LTO_CLANG
42	/*
43	 * With CONFIG_LTO_CLANG, LLD always enables -fdata-sections and
44	 * -ffunction-sections, which increases the size of the final module.
45	 * Merge the split sections in the final binary.
46	 */
47	.bss : {
48		*(.bss .bss.[0-9a-zA-Z_]*)
49		*(.bss..L*)
50	}
51
52	.data : {
53		*(.data .data.[0-9a-zA-Z_]*)
54		*(.data..L*)
55		MOD_CODETAG_SECTIONS()
56	}
57
58	.rodata : {
59		*(.rodata .rodata.[0-9a-zA-Z_]*)
60		*(.rodata..L*)
61	}
62#else
63	.data : {
64		MOD_CODETAG_SECTIONS()
65	}
66#endif
67	MOD_SEPARATE_CODETAG_SECTIONS()
68}
69
70/* bring in arch-specific sections */
71#include <asm/module.lds.h>
72