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52
53#ifndef LOAD_OFFSET
54#define LOAD_OFFSET 0
55#endif
56
57
58
59
60
61
62
63
64
65#ifdef EMITS_PT_NOTE
66#define NOTES_HEADERS :text :note
67#define NOTES_HEADERS_RESTORE __restore_ph : { *(.__restore_ph) } :text
68#else
69#define NOTES_HEADERS
70#define NOTES_HEADERS_RESTORE
71#endif
72
73
74
75
76
77
78#ifdef RO_EXCEPTION_TABLE_ALIGN
79#define RO_EXCEPTION_TABLE EXCEPTION_TABLE(RO_EXCEPTION_TABLE_ALIGN)
80#else
81#define RO_EXCEPTION_TABLE
82#endif
83
84
85#define ALIGN_FUNCTION() . = ALIGN(8)
86
87
88
89
90
91
92
93
94
95
96
97
98
99#if defined(CONFIG_LD_DEAD_CODE_DATA_ELIMINATION) || defined(CONFIG_LTO_CLANG)
100#define TEXT_MAIN .text .text.[0-9a-zA-Z_]*
101#define DATA_MAIN .data .data.[0-9a-zA-Z_]* .data..L* .data..compoundliteral* .data.$__unnamed_* .data.$L*
102#define SDATA_MAIN .sdata .sdata.[0-9a-zA-Z_]*
103#define RODATA_MAIN .rodata .rodata.[0-9a-zA-Z_]* .rodata..L*
104#define BSS_MAIN .bss .bss.[0-9a-zA-Z_]* .bss..compoundliteral*
105#define SBSS_MAIN .sbss .sbss.[0-9a-zA-Z_]*
106#else
107#define TEXT_MAIN .text
108#define DATA_MAIN .data
109#define SDATA_MAIN .sdata
110#define RODATA_MAIN .rodata
111#define BSS_MAIN .bss
112#define SBSS_MAIN .sbss
113#endif
114
115
116
117
118
119#define STRUCT_ALIGNMENT 32
120#define STRUCT_ALIGN() . = ALIGN(STRUCT_ALIGNMENT)
121
122
123
124
125
126
127#define SCHED_DATA \
128 STRUCT_ALIGN(); \
129 __begin_sched_classes = .; \
130 *(__idle_sched_class) \
131 *(__fair_sched_class) \
132 *(__rt_sched_class) \
133 *(__dl_sched_class) \
134 *(__stop_sched_class) \
135 __end_sched_classes = .;
136
137
138
139
140
141#ifdef CONFIG_HOTPLUG_CPU
142#define CPU_KEEP(sec) *(.cpu##sec)
143#define CPU_DISCARD(sec)
144#else
145#define CPU_KEEP(sec)
146#define CPU_DISCARD(sec) *(.cpu##sec)
147#endif
148
149#if defined(CONFIG_MEMORY_HOTPLUG)
150#define MEM_KEEP(sec) *(.mem##sec)
151#define MEM_DISCARD(sec)
152#else
153#define MEM_KEEP(sec)
154#define MEM_DISCARD(sec) *(.mem##sec)
155#endif
156
157#ifdef CONFIG_FTRACE_MCOUNT_RECORD
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172#define MCOUNT_REC() . = ALIGN(8); \
173 __start_mcount_loc = .; \
174 KEEP(*(__mcount_loc)) \
175 KEEP(*(__patchable_function_entries)) \
176 __stop_mcount_loc = .; \
177 ftrace_stub_graph = ftrace_stub; \
178 ftrace_ops_list_func = arch_ftrace_ops_list_func;
179#else
180# ifdef CONFIG_FUNCTION_TRACER
181# define MCOUNT_REC() ftrace_stub_graph = ftrace_stub; \
182 ftrace_ops_list_func = arch_ftrace_ops_list_func;
183# else
184# define MCOUNT_REC()
185# endif
186#endif
187
188#ifdef CONFIG_TRACE_BRANCH_PROFILING
189#define LIKELY_PROFILE() __start_annotated_branch_profile = .; \
190 KEEP(*(_ftrace_annotated_branch)) \
191 __stop_annotated_branch_profile = .;
192#else
193#define LIKELY_PROFILE()
194#endif
195
196#ifdef CONFIG_PROFILE_ALL_BRANCHES
197#define BRANCH_PROFILE() __start_branch_profile = .; \
198 KEEP(*(_ftrace_branch)) \
199 __stop_branch_profile = .;
200#else
201#define BRANCH_PROFILE()
202#endif
203
204#ifdef CONFIG_KPROBES
205#define KPROBE_BLACKLIST() . = ALIGN(8); \
206 __start_kprobe_blacklist = .; \
207 KEEP(*(_kprobe_blacklist)) \
208 __stop_kprobe_blacklist = .;
209#else
210#define KPROBE_BLACKLIST()
211#endif
212
213#ifdef CONFIG_FUNCTION_ERROR_INJECTION
214#define ERROR_INJECT_WHITELIST() STRUCT_ALIGN(); \
215 __start_error_injection_whitelist = .; \
216 KEEP(*(_error_injection_whitelist)) \
217 __stop_error_injection_whitelist = .;
218#else
219#define ERROR_INJECT_WHITELIST()
220#endif
221
222#ifdef CONFIG_EVENT_TRACING
223#define FTRACE_EVENTS() . = ALIGN(8); \
224 __start_ftrace_events = .; \
225 KEEP(*(_ftrace_events)) \
226 __stop_ftrace_events = .; \
227 __start_ftrace_eval_maps = .; \
228 KEEP(*(_ftrace_eval_map)) \
229 __stop_ftrace_eval_maps = .;
230#else
231#define FTRACE_EVENTS()
232#endif
233
234#ifdef CONFIG_TRACING
235#define TRACE_PRINTKS() __start___trace_bprintk_fmt = .; \
236 KEEP(*(__trace_printk_fmt)) \
237 __stop___trace_bprintk_fmt = .;
238#define TRACEPOINT_STR() __start___tracepoint_str = .; \
239 KEEP(*(__tracepoint_str)) \
240 __stop___tracepoint_str = .;
241#else
242#define TRACE_PRINTKS()
243#define TRACEPOINT_STR()
244#endif
245
246#ifdef CONFIG_FTRACE_SYSCALLS
247#define TRACE_SYSCALLS() . = ALIGN(8); \
248 __start_syscalls_metadata = .; \
249 KEEP(*(__syscalls_metadata)) \
250 __stop_syscalls_metadata = .;
251#else
252#define TRACE_SYSCALLS()
253#endif
254
255#ifdef CONFIG_BPF_EVENTS
256#define BPF_RAW_TP() STRUCT_ALIGN(); \
257 __start__bpf_raw_tp = .; \
258 KEEP(*(__bpf_raw_tp_map)) \
259 __stop__bpf_raw_tp = .;
260#else
261#define BPF_RAW_TP()
262#endif
263
264#ifdef CONFIG_SERIAL_EARLYCON
265#define EARLYCON_TABLE() . = ALIGN(8); \
266 __earlycon_table = .; \
267 KEEP(*(__earlycon_table)) \
268 __earlycon_table_end = .;
269#else
270#define EARLYCON_TABLE()
271#endif
272
273#ifdef CONFIG_SECURITY
274#define LSM_TABLE() . = ALIGN(8); \
275 __start_lsm_info = .; \
276 KEEP(*(.lsm_info.init)) \
277 __end_lsm_info = .;
278#define EARLY_LSM_TABLE() . = ALIGN(8); \
279 __start_early_lsm_info = .; \
280 KEEP(*(.early_lsm_info.init)) \
281 __end_early_lsm_info = .;
282#else
283#define LSM_TABLE()
284#define EARLY_LSM_TABLE()
285#endif
286
287#define ___OF_TABLE(cfg, name) _OF_TABLE_##cfg(name)
288#define __OF_TABLE(cfg, name) ___OF_TABLE(cfg, name)
289#define OF_TABLE(cfg, name) __OF_TABLE(IS_ENABLED(cfg), name)
290#define _OF_TABLE_0(name)
291#define _OF_TABLE_1(name) \
292 . = ALIGN(8); \
293 __##name##_of_table = .; \
294 KEEP(*(__##name##_of_table)) \
295 KEEP(*(__##name##_of_table_end))
296
297#define TIMER_OF_TABLES() OF_TABLE(CONFIG_TIMER_OF, timer)
298#define IRQCHIP_OF_MATCH_TABLE() OF_TABLE(CONFIG_IRQCHIP, irqchip)
299#define CLK_OF_TABLES() OF_TABLE(CONFIG_COMMON_CLK, clk)
300#define RESERVEDMEM_OF_TABLES() OF_TABLE(CONFIG_OF_RESERVED_MEM, reservedmem)
301#define CPU_METHOD_OF_TABLES() OF_TABLE(CONFIG_SMP, cpu_method)
302#define CPUIDLE_METHOD_OF_TABLES() OF_TABLE(CONFIG_CPU_IDLE, cpuidle_method)
303
304#ifdef CONFIG_ACPI
305#define ACPI_PROBE_TABLE(name) \
306 . = ALIGN(8); \
307 __##name##_acpi_probe_table = .; \
308 KEEP(*(__##name##_acpi_probe_table)) \
309 __##name##_acpi_probe_table_end = .;
310#else
311#define ACPI_PROBE_TABLE(name)
312#endif
313
314#ifdef CONFIG_THERMAL
315#define THERMAL_TABLE(name) \
316 . = ALIGN(8); \
317 __##name##_thermal_table = .; \
318 KEEP(*(__##name##_thermal_table)) \
319 __##name##_thermal_table_end = .;
320#else
321#define THERMAL_TABLE(name)
322#endif
323
324#define KERNEL_DTB() \
325 STRUCT_ALIGN(); \
326 __dtb_start = .; \
327 KEEP(*(.dtb.init.rodata)) \
328 __dtb_end = .;
329
330
331
332
333#define DATA_DATA \
334 *(.xiptext) \
335 *(DATA_MAIN) \
336 *(.ref.data) \
337 *(.data..shared_aligned) \
338 MEM_KEEP(init.data*) \
339 MEM_KEEP(exit.data*) \
340 *(.data.unlikely) \
341 __start_once = .; \
342 *(.data.once) \
343 __end_once = .; \
344 STRUCT_ALIGN(); \
345 *(__tracepoints) \
346 \
347 . = ALIGN(8); \
348 __start___dyndbg = .; \
349 KEEP(*(__dyndbg)) \
350 __stop___dyndbg = .; \
351 LIKELY_PROFILE() \
352 BRANCH_PROFILE() \
353 TRACE_PRINTKS() \
354 BPF_RAW_TP() \
355 TRACEPOINT_STR()
356
357
358
359
360#define NOSAVE_DATA \
361 . = ALIGN(PAGE_SIZE); \
362 __nosave_begin = .; \
363 *(.data..nosave) \
364 . = ALIGN(PAGE_SIZE); \
365 __nosave_end = .;
366
367#define PAGE_ALIGNED_DATA(page_align) \
368 . = ALIGN(page_align); \
369 *(.data..page_aligned) \
370 . = ALIGN(page_align);
371
372#define READ_MOSTLY_DATA(align) \
373 . = ALIGN(align); \
374 *(.data..read_mostly) \
375 . = ALIGN(align);
376
377#define CACHELINE_ALIGNED_DATA(align) \
378 . = ALIGN(align); \
379 *(.data..cacheline_aligned)
380
381#define INIT_TASK_DATA(align) \
382 . = ALIGN(align); \
383 __start_init_task = .; \
384 init_thread_union = .; \
385 init_stack = .; \
386 KEEP(*(.data..init_task)) \
387 KEEP(*(.data..init_thread_info)) \
388 . = __start_init_task + THREAD_SIZE; \
389 __end_init_task = .;
390
391#define JUMP_TABLE_DATA \
392 . = ALIGN(8); \
393 __start___jump_table = .; \
394 KEEP(*(__jump_table)) \
395 __stop___jump_table = .;
396
397#ifdef CONFIG_HAVE_STATIC_CALL_INLINE
398#define STATIC_CALL_DATA \
399 . = ALIGN(8); \
400 __start_static_call_sites = .; \
401 KEEP(*(.static_call_sites)) \
402 __stop_static_call_sites = .; \
403 __start_static_call_tramp_key = .; \
404 KEEP(*(.static_call_tramp_key)) \
405 __stop_static_call_tramp_key = .;
406#else
407#define STATIC_CALL_DATA
408#endif
409
410
411
412
413
414#ifndef RO_AFTER_INIT_DATA
415#define RO_AFTER_INIT_DATA \
416 . = ALIGN(8); \
417 __start_ro_after_init = .; \
418 *(.data..ro_after_init) \
419 JUMP_TABLE_DATA \
420 STATIC_CALL_DATA \
421 __end_ro_after_init = .;
422#endif
423
424
425
426
427#define RO_DATA(align) \
428 . = ALIGN((align)); \
429 .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \
430 __start_rodata = .; \
431 *(.rodata) *(.rodata.*) \
432 SCHED_DATA \
433 RO_AFTER_INIT_DATA \
434 . = ALIGN(8); \
435 __start___tracepoints_ptrs = .; \
436 KEEP(*(__tracepoints_ptrs)) \
437 __stop___tracepoints_ptrs = .; \
438 *(__tracepoints_strings) \
439 } \
440 \
441 .rodata1 : AT(ADDR(.rodata1) - LOAD_OFFSET) { \
442 *(.rodata1) \
443 } \
444 \
445 \
446 .pci_fixup : AT(ADDR(.pci_fixup) - LOAD_OFFSET) { \
447 __start_pci_fixups_early = .; \
448 KEEP(*(.pci_fixup_early)) \
449 __end_pci_fixups_early = .; \
450 __start_pci_fixups_header = .; \
451 KEEP(*(.pci_fixup_header)) \
452 __end_pci_fixups_header = .; \
453 __start_pci_fixups_final = .; \
454 KEEP(*(.pci_fixup_final)) \
455 __end_pci_fixups_final = .; \
456 __start_pci_fixups_enable = .; \
457 KEEP(*(.pci_fixup_enable)) \
458 __end_pci_fixups_enable = .; \
459 __start_pci_fixups_resume = .; \
460 KEEP(*(.pci_fixup_resume)) \
461 __end_pci_fixups_resume = .; \
462 __start_pci_fixups_resume_early = .; \
463 KEEP(*(.pci_fixup_resume_early)) \
464 __end_pci_fixups_resume_early = .; \
465 __start_pci_fixups_suspend = .; \
466 KEEP(*(.pci_fixup_suspend)) \
467 __end_pci_fixups_suspend = .; \
468 __start_pci_fixups_suspend_late = .; \
469 KEEP(*(.pci_fixup_suspend_late)) \
470 __end_pci_fixups_suspend_late = .; \
471 } \
472 \
473 FW_LOADER_BUILT_IN_DATA \
474 TRACEDATA \
475 \
476 PRINTK_INDEX \
477 \
478 \
479 __ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \
480 __start___ksymtab = .; \
481 KEEP(*(SORT(___ksymtab+*))) \
482 __stop___ksymtab = .; \
483 } \
484 \
485 \
486 __ksymtab_gpl : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) { \
487 __start___ksymtab_gpl = .; \
488 KEEP(*(SORT(___ksymtab_gpl+*))) \
489 __stop___ksymtab_gpl = .; \
490 } \
491 \
492 \
493 __kcrctab : AT(ADDR(__kcrctab) - LOAD_OFFSET) { \
494 __start___kcrctab = .; \
495 KEEP(*(SORT(___kcrctab+*))) \
496 __stop___kcrctab = .; \
497 } \
498 \
499 \
500 __kcrctab_gpl : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) { \
501 __start___kcrctab_gpl = .; \
502 KEEP(*(SORT(___kcrctab_gpl+*))) \
503 __stop___kcrctab_gpl = .; \
504 } \
505 \
506 \
507 __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \
508 *(__ksymtab_strings) \
509 } \
510 \
511 \
512 __init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) { \
513 *(.ref.rodata) \
514 MEM_KEEP(init.rodata) \
515 MEM_KEEP(exit.rodata) \
516 } \
517 \
518 \
519 __param : AT(ADDR(__param) - LOAD_OFFSET) { \
520 __start___param = .; \
521 KEEP(*(__param)) \
522 __stop___param = .; \
523 } \
524 \
525 \
526 __modver : AT(ADDR(__modver) - LOAD_OFFSET) { \
527 __start___modver = .; \
528 KEEP(*(__modver)) \
529 __stop___modver = .; \
530 } \
531 \
532 RO_EXCEPTION_TABLE \
533 NOTES \
534 BTF \
535 \
536 . = ALIGN((align)); \
537 __end_rodata = .;
538
539
540
541
542
543
544#ifdef CONFIG_CFI_CLANG
545#define TEXT_CFI_JT \
546 . = ALIGN(PMD_SIZE); \
547 __cfi_jt_start = .; \
548 *(.text..L.cfi.jumptable .text..L.cfi.jumptable.*) \
549 . = ALIGN(PMD_SIZE); \
550 __cfi_jt_end = .;
551#else
552#define TEXT_CFI_JT
553#endif
554
555
556
557
558#define NOINSTR_TEXT \
559 ALIGN_FUNCTION(); \
560 __noinstr_text_start = .; \
561 *(.noinstr.text) \
562 __noinstr_text_end = .;
563
564
565
566
567
568
569
570
571
572#define TEXT_TEXT \
573 ALIGN_FUNCTION(); \
574 *(.text.hot .text.hot.*) \
575 *(TEXT_MAIN .text.fixup) \
576 *(.text.unlikely .text.unlikely.*) \
577 *(.text.unknown .text.unknown.*) \
578 NOINSTR_TEXT \
579 *(.text..refcount) \
580 *(.ref.text) \
581 *(.text.asan.* .text.tsan.*) \
582 TEXT_CFI_JT \
583 MEM_KEEP(init.text*) \
584 MEM_KEEP(exit.text*) \
585
586
587
588
589#define SCHED_TEXT \
590 ALIGN_FUNCTION(); \
591 __sched_text_start = .; \
592 *(.sched.text) \
593 __sched_text_end = .;
594
595
596
597#define LOCK_TEXT \
598 ALIGN_FUNCTION(); \
599 __lock_text_start = .; \
600 *(.spinlock.text) \
601 __lock_text_end = .;
602
603#define CPUIDLE_TEXT \
604 ALIGN_FUNCTION(); \
605 __cpuidle_text_start = .; \
606 *(.cpuidle.text) \
607 __cpuidle_text_end = .;
608
609#define KPROBES_TEXT \
610 ALIGN_FUNCTION(); \
611 __kprobes_text_start = .; \
612 *(.kprobes.text) \
613 __kprobes_text_end = .;
614
615#define ENTRY_TEXT \
616 ALIGN_FUNCTION(); \
617 __entry_text_start = .; \
618 *(.entry.text) \
619 __entry_text_end = .;
620
621#define IRQENTRY_TEXT \
622 ALIGN_FUNCTION(); \
623 __irqentry_text_start = .; \
624 *(.irqentry.text) \
625 __irqentry_text_end = .;
626
627#define SOFTIRQENTRY_TEXT \
628 ALIGN_FUNCTION(); \
629 __softirqentry_text_start = .; \
630 *(.softirqentry.text) \
631 __softirqentry_text_end = .;
632
633#define STATIC_CALL_TEXT \
634 ALIGN_FUNCTION(); \
635 __static_call_text_start = .; \
636 *(.static_call.text) \
637 __static_call_text_end = .;
638
639
640#define HEAD_TEXT KEEP(*(.head.text))
641
642#define HEAD_TEXT_SECTION \
643 .head.text : AT(ADDR(.head.text) - LOAD_OFFSET) { \
644 HEAD_TEXT \
645 }
646
647
648
649
650#define EXCEPTION_TABLE(align) \
651 . = ALIGN(align); \
652 __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { \
653 __start___ex_table = .; \
654 KEEP(*(__ex_table)) \
655 __stop___ex_table = .; \
656 }
657
658
659
660
661#ifdef CONFIG_DEBUG_INFO_BTF
662#define BTF \
663 .BTF : AT(ADDR(.BTF) - LOAD_OFFSET) { \
664 __start_BTF = .; \
665 KEEP(*(.BTF)) \
666 __stop_BTF = .; \
667 } \
668 . = ALIGN(4); \
669 .BTF_ids : AT(ADDR(.BTF_ids) - LOAD_OFFSET) { \
670 *(.BTF_ids) \
671 }
672#else
673#define BTF
674#endif
675
676
677
678
679#define INIT_TASK_DATA_SECTION(align) \
680 . = ALIGN(align); \
681 .data..init_task : AT(ADDR(.data..init_task) - LOAD_OFFSET) { \
682 INIT_TASK_DATA(align) \
683 }
684
685#ifdef CONFIG_CONSTRUCTORS
686#define KERNEL_CTORS() . = ALIGN(8); \
687 __ctors_start = .; \
688 KEEP(*(SORT(.ctors.*))) \
689 KEEP(*(.ctors)) \
690 KEEP(*(SORT(.init_array.*))) \
691 KEEP(*(.init_array)) \
692 __ctors_end = .;
693#else
694#define KERNEL_CTORS()
695#endif
696
697
698#define INIT_DATA \
699 KEEP(*(SORT(___kentry+*))) \
700 *(.init.data init.data.*) \
701 MEM_DISCARD(init.data*) \
702 KERNEL_CTORS() \
703 MCOUNT_REC() \
704 *(.init.rodata .init.rodata.*) \
705 FTRACE_EVENTS() \
706 TRACE_SYSCALLS() \
707 KPROBE_BLACKLIST() \
708 ERROR_INJECT_WHITELIST() \
709 MEM_DISCARD(init.rodata) \
710 CLK_OF_TABLES() \
711 RESERVEDMEM_OF_TABLES() \
712 TIMER_OF_TABLES() \
713 CPU_METHOD_OF_TABLES() \
714 CPUIDLE_METHOD_OF_TABLES() \
715 KERNEL_DTB() \
716 IRQCHIP_OF_MATCH_TABLE() \
717 ACPI_PROBE_TABLE(irqchip) \
718 ACPI_PROBE_TABLE(timer) \
719 THERMAL_TABLE(governor) \
720 EARLYCON_TABLE() \
721 LSM_TABLE() \
722 EARLY_LSM_TABLE() \
723 KUNIT_TABLE()
724
725#define INIT_TEXT \
726 *(.init.text .init.text.*) \
727 *(.text.startup) \
728 MEM_DISCARD(init.text*)
729
730#define EXIT_DATA \
731 *(.exit.data .exit.data.*) \
732 *(.fini_array .fini_array.*) \
733 *(.dtors .dtors.*) \
734 MEM_DISCARD(exit.data*) \
735 MEM_DISCARD(exit.rodata*)
736
737#define EXIT_TEXT \
738 *(.exit.text) \
739 *(.text.exit) \
740 MEM_DISCARD(exit.text)
741
742#define EXIT_CALL \
743 *(.exitcall.exit)
744
745
746
747
748
749#define SBSS(sbss_align) \
750 . = ALIGN(sbss_align); \
751 .sbss : AT(ADDR(.sbss) - LOAD_OFFSET) { \
752 *(.dynsbss) \
753 *(SBSS_MAIN) \
754 *(.scommon) \
755 }
756
757
758
759
760
761#ifndef BSS_FIRST_SECTIONS
762#define BSS_FIRST_SECTIONS
763#endif
764
765#define BSS(bss_align) \
766 . = ALIGN(bss_align); \
767 .bss : AT(ADDR(.bss) - LOAD_OFFSET) { \
768 BSS_FIRST_SECTIONS \
769 . = ALIGN(PAGE_SIZE); \
770 *(.bss..page_aligned) \
771 . = ALIGN(PAGE_SIZE); \
772 *(.dynbss) \
773 *(BSS_MAIN) \
774 *(COMMON) \
775 }
776
777
778
779
780
781
782#define DWARF_DEBUG \
783 \
784 .debug 0 : { *(.debug) } \
785 .line 0 : { *(.line) } \
786 \
787 .debug_srcinfo 0 : { *(.debug_srcinfo) } \
788 .debug_sfnames 0 : { *(.debug_sfnames) } \
789 \
790 .debug_aranges 0 : { *(.debug_aranges) } \
791 .debug_pubnames 0 : { *(.debug_pubnames) } \
792 \
793 .debug_info 0 : { *(.debug_info \
794 .gnu.linkonce.wi.*) } \
795 .debug_abbrev 0 : { *(.debug_abbrev) } \
796 .debug_line 0 : { *(.debug_line) } \
797 .debug_frame 0 : { *(.debug_frame) } \
798 .debug_str 0 : { *(.debug_str) } \
799 .debug_loc 0 : { *(.debug_loc) } \
800 .debug_macinfo 0 : { *(.debug_macinfo) } \
801 .debug_pubtypes 0 : { *(.debug_pubtypes) } \
802 \
803 .debug_ranges 0 : { *(.debug_ranges) } \
804 \
805 .debug_weaknames 0 : { *(.debug_weaknames) } \
806 .debug_funcnames 0 : { *(.debug_funcnames) } \
807 .debug_typenames 0 : { *(.debug_typenames) } \
808 .debug_varnames 0 : { *(.debug_varnames) } \
809 \
810 .debug_gnu_pubnames 0 : { *(.debug_gnu_pubnames) } \
811 .debug_gnu_pubtypes 0 : { *(.debug_gnu_pubtypes) } \
812 \
813 .debug_types 0 : { *(.debug_types) } \
814 \
815 .debug_addr 0 : { *(.debug_addr) } \
816 .debug_line_str 0 : { *(.debug_line_str) } \
817 .debug_loclists 0 : { *(.debug_loclists) } \
818 .debug_macro 0 : { *(.debug_macro) } \
819 .debug_names 0 : { *(.debug_names) } \
820 .debug_rnglists 0 : { *(.debug_rnglists) } \
821 .debug_str_offsets 0 : { *(.debug_str_offsets) }
822
823
824#define STABS_DEBUG \
825 .stab 0 : { *(.stab) } \
826 .stabstr 0 : { *(.stabstr) } \
827 .stab.excl 0 : { *(.stab.excl) } \
828 .stab.exclstr 0 : { *(.stab.exclstr) } \
829 .stab.index 0 : { *(.stab.index) } \
830 .stab.indexstr 0 : { *(.stab.indexstr) }
831
832
833#define ELF_DETAILS \
834 .comment 0 : { *(.comment) } \
835 .symtab 0 : { *(.symtab) } \
836 .strtab 0 : { *(.strtab) } \
837 .shstrtab 0 : { *(.shstrtab) }
838
839#ifdef CONFIG_GENERIC_BUG
840#define BUG_TABLE \
841 . = ALIGN(8); \
842 __bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) { \
843 __start___bug_table = .; \
844 KEEP(*(__bug_table)) \
845 __stop___bug_table = .; \
846 }
847#else
848#define BUG_TABLE
849#endif
850
851#ifdef CONFIG_UNWINDER_ORC
852#define ORC_UNWIND_TABLE \
853 . = ALIGN(4); \
854 .orc_unwind_ip : AT(ADDR(.orc_unwind_ip) - LOAD_OFFSET) { \
855 __start_orc_unwind_ip = .; \
856 KEEP(*(.orc_unwind_ip)) \
857 __stop_orc_unwind_ip = .; \
858 } \
859 . = ALIGN(2); \
860 .orc_unwind : AT(ADDR(.orc_unwind) - LOAD_OFFSET) { \
861 __start_orc_unwind = .; \
862 KEEP(*(.orc_unwind)) \
863 __stop_orc_unwind = .; \
864 } \
865 text_size = _etext - _stext; \
866 . = ALIGN(4); \
867 .orc_lookup : AT(ADDR(.orc_lookup) - LOAD_OFFSET) { \
868 orc_lookup = .; \
869 . += (((text_size + LOOKUP_BLOCK_SIZE - 1) / \
870 LOOKUP_BLOCK_SIZE) + 1) * 4; \
871 orc_lookup_end = .; \
872 }
873#else
874#define ORC_UNWIND_TABLE
875#endif
876
877
878#ifdef CONFIG_FW_LOADER
879#define FW_LOADER_BUILT_IN_DATA \
880 .builtin_fw : AT(ADDR(.builtin_fw) - LOAD_OFFSET) ALIGN(8) { \
881 __start_builtin_fw = .; \
882 KEEP(*(.builtin_fw)) \
883 __end_builtin_fw = .; \
884 }
885#else
886#define FW_LOADER_BUILT_IN_DATA
887#endif
888
889#ifdef CONFIG_PM_TRACE
890#define TRACEDATA \
891 . = ALIGN(4); \
892 .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) { \
893 __tracedata_start = .; \
894 KEEP(*(.tracedata)) \
895 __tracedata_end = .; \
896 }
897#else
898#define TRACEDATA
899#endif
900
901#ifdef CONFIG_PRINTK_INDEX
902#define PRINTK_INDEX \
903 .printk_index : AT(ADDR(.printk_index) - LOAD_OFFSET) { \
904 __start_printk_index = .; \
905 *(.printk_index) \
906 __stop_printk_index = .; \
907 }
908#else
909#define PRINTK_INDEX
910#endif
911
912#define NOTES \
913 .notes : AT(ADDR(.notes) - LOAD_OFFSET) { \
914 __start_notes = .; \
915 KEEP(*(.note.*)) \
916 __stop_notes = .; \
917 } NOTES_HEADERS \
918 NOTES_HEADERS_RESTORE
919
920#define INIT_SETUP(initsetup_align) \
921 . = ALIGN(initsetup_align); \
922 __setup_start = .; \
923 KEEP(*(.init.setup)) \
924 __setup_end = .;
925
926#define INIT_CALLS_LEVEL(level) \
927 __initcall##level##_start = .; \
928 KEEP(*(.initcall##level##.init)) \
929 KEEP(*(.initcall##level##s.init)) \
930
931#define INIT_CALLS \
932 __initcall_start = .; \
933 KEEP(*(.initcallearly.init)) \
934 INIT_CALLS_LEVEL(0) \
935 INIT_CALLS_LEVEL(1) \
936 INIT_CALLS_LEVEL(2) \
937 INIT_CALLS_LEVEL(3) \
938 INIT_CALLS_LEVEL(4) \
939 INIT_CALLS_LEVEL(5) \
940 INIT_CALLS_LEVEL(rootfs) \
941 INIT_CALLS_LEVEL(6) \
942 INIT_CALLS_LEVEL(7) \
943 __initcall_end = .;
944
945#define CON_INITCALL \
946 __con_initcall_start = .; \
947 KEEP(*(.con_initcall.init)) \
948 __con_initcall_end = .;
949
950
951#define KUNIT_TABLE() \
952 . = ALIGN(8); \
953 __kunit_suites_start = .; \
954 KEEP(*(.kunit_test_suites)) \
955 __kunit_suites_end = .;
956
957#ifdef CONFIG_BLK_DEV_INITRD
958#define INIT_RAM_FS \
959 . = ALIGN(4); \
960 __initramfs_start = .; \
961 KEEP(*(.init.ramfs)) \
962 . = ALIGN(8); \
963 KEEP(*(.init.ramfs.info))
964#else
965#define INIT_RAM_FS
966#endif
967
968
969
970
971
972
973
974
975
976#ifdef CONFIG_AMD_MEM_ENCRYPT
977#define PERCPU_DECRYPTED_SECTION \
978 . = ALIGN(PAGE_SIZE); \
979 *(.data..decrypted) \
980 *(.data..percpu..decrypted) \
981 . = ALIGN(PAGE_SIZE);
982#else
983#define PERCPU_DECRYPTED_SECTION
984#endif
985
986
987
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989
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992
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994
995
996#ifdef RUNTIME_DISCARD_EXIT
997#define EXIT_DISCARDS
998#else
999#define EXIT_DISCARDS \
1000 EXIT_TEXT \
1001 EXIT_DATA
1002#endif
1003
1004
1005
1006
1007
1008
1009
1010
1011#if defined(CONFIG_GCOV_KERNEL) || defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KCSAN) || \
1012 defined(CONFIG_CFI_CLANG)
1013# ifdef CONFIG_CONSTRUCTORS
1014# define SANITIZER_DISCARDS \
1015 *(.eh_frame)
1016# else
1017# define SANITIZER_DISCARDS \
1018 *(.init_array) *(.init_array.*) \
1019 *(.eh_frame)
1020# endif
1021#else
1022# define SANITIZER_DISCARDS
1023#endif
1024
1025#define COMMON_DISCARDS \
1026 SANITIZER_DISCARDS \
1027 *(.discard) \
1028 *(.discard.*) \
1029 *(.modinfo) \
1030 \
1031 *(.gnu.version*) \
1032
1033#define DISCARDS \
1034 /DISCARD/ : { \
1035 EXIT_DISCARDS \
1036 EXIT_CALL \
1037 COMMON_DISCARDS \
1038 }
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050#define PERCPU_INPUT(cacheline) \
1051 __per_cpu_start = .; \
1052 *(.data..percpu..first) \
1053 . = ALIGN(PAGE_SIZE); \
1054 *(.data..percpu..page_aligned) \
1055 . = ALIGN(cacheline); \
1056 *(.data..percpu..read_mostly) \
1057 . = ALIGN(cacheline); \
1058 *(.data..percpu) \
1059 *(.data..percpu..shared_aligned) \
1060 PERCPU_DECRYPTED_SECTION \
1061 __per_cpu_end = .;
1062
1063
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1086
1087#define PERCPU_VADDR(cacheline, vaddr, phdr) \
1088 __per_cpu_load = .; \
1089 .data..percpu vaddr : AT(__per_cpu_load - LOAD_OFFSET) { \
1090 PERCPU_INPUT(cacheline) \
1091 } phdr \
1092 . = __per_cpu_load + SIZEOF(.data..percpu);
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106#define PERCPU_SECTION(cacheline) \
1107 . = ALIGN(PAGE_SIZE); \
1108 .data..percpu : AT(ADDR(.data..percpu) - LOAD_OFFSET) { \
1109 __per_cpu_load = .; \
1110 PERCPU_INPUT(cacheline) \
1111 }
1112
1113
1114
1115
1116
1117
1118
1119
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1130
1131
1132#define RW_DATA(cacheline, pagealigned, inittask) \
1133 . = ALIGN(PAGE_SIZE); \
1134 .data : AT(ADDR(.data) - LOAD_OFFSET) { \
1135 INIT_TASK_DATA(inittask) \
1136 NOSAVE_DATA \
1137 PAGE_ALIGNED_DATA(pagealigned) \
1138 CACHELINE_ALIGNED_DATA(cacheline) \
1139 READ_MOSTLY_DATA(cacheline) \
1140 DATA_DATA \
1141 CONSTRUCTORS \
1142 } \
1143 BUG_TABLE \
1144
1145#define INIT_TEXT_SECTION(inittext_align) \
1146 . = ALIGN(inittext_align); \
1147 .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { \
1148 _sinittext = .; \
1149 INIT_TEXT \
1150 _einittext = .; \
1151 }
1152
1153#define INIT_DATA_SECTION(initsetup_align) \
1154 .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { \
1155 INIT_DATA \
1156 INIT_SETUP(initsetup_align) \
1157 INIT_CALLS \
1158 CON_INITCALL \
1159 INIT_RAM_FS \
1160 }
1161
1162#define BSS_SECTION(sbss_align, bss_align, stop_align) \
1163 . = ALIGN(sbss_align); \
1164 __bss_start = .; \
1165 SBSS(sbss_align) \
1166 BSS(bss_align) \
1167 . = ALIGN(stop_align); \
1168 __bss_stop = .;
1169