xref: /OK3568_Linux_fs/kernel/scripts/module.lds.S (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun/*
2*4882a593Smuzhiyun * Common module linker script, always used when linking a module.
3*4882a593Smuzhiyun * Archs are free to supply their own linker scripts.  ld will
4*4882a593Smuzhiyun * combine them automatically.
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun#include <asm/page.h>
7*4882a593Smuzhiyun
8*4882a593SmuzhiyunSECTIONS {
9*4882a593Smuzhiyun	/DISCARD/ : {
10*4882a593Smuzhiyun		*(.discard)
11*4882a593Smuzhiyun		*(.discard.*)
12*4882a593Smuzhiyun		/*
13*4882a593Smuzhiyun		 * LLD may emit .eh_frame with CONFIG_CFI_CLANG despite
14*4882a593Smuzhiyun		 * -fno-asynchronous-unwind-tables. Discard the section.
15*4882a593Smuzhiyun		 */
16*4882a593Smuzhiyun		*(.eh_frame)
17*4882a593Smuzhiyun	}
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun	__ksymtab		0 : { *(SORT(___ksymtab+*)) }
20*4882a593Smuzhiyun	__ksymtab_gpl		0 : { *(SORT(___ksymtab_gpl+*)) }
21*4882a593Smuzhiyun	__ksymtab_unused	0 : { *(SORT(___ksymtab_unused+*)) }
22*4882a593Smuzhiyun	__ksymtab_unused_gpl	0 : { *(SORT(___ksymtab_unused_gpl+*)) }
23*4882a593Smuzhiyun	__ksymtab_gpl_future	0 : { *(SORT(___ksymtab_gpl_future+*)) }
24*4882a593Smuzhiyun	__kcrctab		0 : { *(SORT(___kcrctab+*)) }
25*4882a593Smuzhiyun	__kcrctab_gpl		0 : { *(SORT(___kcrctab_gpl+*)) }
26*4882a593Smuzhiyun	__kcrctab_unused	0 : { *(SORT(___kcrctab_unused+*)) }
27*4882a593Smuzhiyun	__kcrctab_unused_gpl	0 : { *(SORT(___kcrctab_unused_gpl+*)) }
28*4882a593Smuzhiyun	__kcrctab_gpl_future	0 : { *(SORT(___kcrctab_gpl_future+*)) }
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun	.init_array		0 : ALIGN(8) { *(SORT(.init_array.*)) *(.init_array) }
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun	.altinstructions	0 : ALIGN(8) { KEEP(*(.altinstructions)) }
33*4882a593Smuzhiyun	__bug_table		0 : ALIGN(8) { KEEP(*(__bug_table)) }
34*4882a593Smuzhiyun	__jump_table		0 : ALIGN(8) { KEEP(*(__jump_table)) }
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun	__patchable_function_entries : { *(__patchable_function_entries) }
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun#ifdef CONFIG_LTO_CLANG
39*4882a593Smuzhiyun	/*
40*4882a593Smuzhiyun	 * With CONFIG_LTO_CLANG, LLD always enables -fdata-sections and
41*4882a593Smuzhiyun	 * -ffunction-sections, which increases the size of the final module.
42*4882a593Smuzhiyun	 * Merge the split sections in the final binary.
43*4882a593Smuzhiyun	 */
44*4882a593Smuzhiyun	.bss : {
45*4882a593Smuzhiyun		*(.bss .bss.[0-9a-zA-Z_]*)
46*4882a593Smuzhiyun		*(.bss..L*)
47*4882a593Smuzhiyun	}
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun	.data : {
50*4882a593Smuzhiyun		*(.data .data.[0-9a-zA-Z_]*)
51*4882a593Smuzhiyun		*(.data..L*)
52*4882a593Smuzhiyun	}
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun	.rodata : {
55*4882a593Smuzhiyun		*(.rodata.._start)
56*4882a593Smuzhiyun		*(.rodata .rodata.[0-9a-zA-Z_]*)
57*4882a593Smuzhiyun		*(.rodata..L*)
58*4882a593Smuzhiyun		*(.rodata.._end)
59*4882a593Smuzhiyun	}
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun	.text : ALIGN(PAGE_SIZE) {
62*4882a593Smuzhiyun		*(.text.._start)
63*4882a593Smuzhiyun#ifdef CONFIG_CFI_CLANG
64*4882a593Smuzhiyun		/*
65*4882a593Smuzhiyun		 * With CFI_CLANG, ensure __cfi_check is at the beginning of
66*4882a593Smuzhiyun		 * the .text section, and that the section is aligned to page
67*4882a593Smuzhiyun		 * size.
68*4882a593Smuzhiyun		 */
69*4882a593Smuzhiyun		*(.text.__cfi_check)
70*4882a593Smuzhiyun#endif
71*4882a593Smuzhiyun		*(.text .text.[0-9a-zA-Z_]*)
72*4882a593Smuzhiyun		__cfi_jt_start = .;
73*4882a593Smuzhiyun		*(.text..L.cfi.jumptable .text..L.cfi.jumptable.*)
74*4882a593Smuzhiyun		__cfi_jt_end = .;
75*4882a593Smuzhiyun		*(.text.._end)
76*4882a593Smuzhiyun		*(.text.._fips140_unchecked)
77*4882a593Smuzhiyun	}
78*4882a593Smuzhiyun#endif
79*4882a593Smuzhiyun}
80*4882a593Smuzhiyun
81*4882a593Smuzhiyun/* bring in arch-specific sections */
82*4882a593Smuzhiyun#include <asm/module.lds.h>
83