1 /* SPDX-License-Identifier: GPL-2.0 */ !! 1 /* ld script for sparc32/sparc64 kernel */
2 /* <<
3 * ld script for the x86 kernel <<
4 * <<
5 * Historic 32-bit version written by Martin M< <<
6 * <<
7 * Modernisation, unification and other change <<
8 * Copyright (C) 2007-2009 Sam Ravnborg <sam <<
9 * <<
10 * <<
11 * Don't define absolute symbols until and unl <<
12 * value is should remain constant even if ker <<
13 * at run time. Absolute symbols are not reloc <<
14 * change if kernel is relocated, make the sym <<
15 * put it inside the section definition. <<
16 */ <<
17 <<
18 #define LOAD_OFFSET __START_KERNEL_map <<
19 <<
20 #define RUNTIME_DISCARD_EXIT <<
21 #define EMITS_PT_NOTE <<
22 #define RO_EXCEPTION_TABLE_ALIGN 16 <<
23 2
24 #include <asm-generic/vmlinux.lds.h> 3 #include <asm-generic/vmlinux.lds.h>
25 #include <asm/asm-offsets.h> !! 4
>> 5 #include <asm/page.h>
26 #include <asm/thread_info.h> 6 #include <asm/thread_info.h>
27 #include <asm/page_types.h> <<
28 #include <asm/orc_lookup.h> <<
29 #include <asm/cache.h> <<
30 #include <asm/boot.h> <<
31 <<
32 #undef i386 /* in case the preprocessor is <<
33 <<
34 OUTPUT_FORMAT(CONFIG_OUTPUT_FORMAT) <<
35 <<
36 #ifdef CONFIG_X86_32 <<
37 OUTPUT_ARCH(i386) <<
38 ENTRY(phys_startup_32) <<
39 #else <<
40 OUTPUT_ARCH(i386:x86-64) <<
41 ENTRY(phys_startup_64) <<
42 #endif <<
43 7
44 jiffies = jiffies_64; !! 8 #ifdef CONFIG_SPARC32
45 const_pcpu_hot = pcpu_hot; !! 9 #define INITIAL_ADDRESS 0x10000 + SIZEOF_HEADERS
>> 10 #define TEXTSTART 0xf0004000
46 11
47 #if defined(CONFIG_X86_64) !! 12 #define SMP_CACHE_BYTES_SHIFT 5
48 /* <<
49 * On 64-bit, align RODATA to 2MB so we retain <<
50 * boundaries spanning kernel text, rodata and <<
51 * <<
52 * However, kernel identity mappings will have <<
53 * to the pages mapping to text and to the pag <<
54 * text section. Hence kernel identity mapping <<
55 * pages. For 64-bit, kernel text and kernel i <<
56 * so we can enable protection checks as well <<
57 * mappings for kernel text. <<
58 */ <<
59 #define X86_ALIGN_RODATA_BEGIN . = ALIGN(HPAG <<
60 <<
61 #define X86_ALIGN_RODATA_END <<
62 . = ALIGN(HPAGE_SIZE); <<
63 __end_rodata_hpage_align = .; <<
64 __end_rodata_aligned = .; <<
65 <<
66 #define ALIGN_ENTRY_TEXT_BEGIN . = ALIGN(PMD_ <<
67 #define ALIGN_ENTRY_TEXT_END . = ALIGN(PMD_ <<
68 <<
69 /* <<
70 * This section contains data which will be ma <<
71 * encryption operates on a page basis. Make t <<
72 * to avoid splitting the pages while mapping <<
73 * <<
74 * Note: We use a separate section so that onl <<
75 * decrypted to avoid exposing more than we wi <<
76 */ <<
77 #define BSS_DECRYPTED <<
78 . = ALIGN(PMD_SIZE); <<
79 __start_bss_decrypted = .; <<
80 *(.bss..decrypted); <<
81 . = ALIGN(PAGE_SIZE); <<
82 __start_bss_decrypted_unused = .; <<
83 . = ALIGN(PMD_SIZE); <<
84 __end_bss_decrypted = .; <<
85 13
86 #else 14 #else
87 !! 15 #define SMP_CACHE_BYTES_SHIFT 6
88 #define X86_ALIGN_RODATA_BEGIN !! 16 #define INITIAL_ADDRESS 0x4000
89 #define X86_ALIGN_RODATA_END !! 17 #define TEXTSTART 0x0000000000404000
90 . = ALIGN(PAGE_SIZE); <<
91 __end_rodata_aligned = .; <<
92 <<
93 #define ALIGN_ENTRY_TEXT_BEGIN <<
94 #define ALIGN_ENTRY_TEXT_END <<
95 #define BSS_DECRYPTED <<
96 18
97 #endif 19 #endif
98 20
99 PHDRS { !! 21 #define SMP_CACHE_BYTES (1 << SMP_CACHE_BYTES_SHIFT)
100 text PT_LOAD FLAGS(5); /* R_E !! 22
101 data PT_LOAD FLAGS(6); /* RW_ !! 23 #ifdef CONFIG_SPARC32
102 #ifdef CONFIG_X86_64 !! 24 OUTPUT_FORMAT("elf32-sparc", "elf32-sparc", "elf32-sparc")
103 #ifdef CONFIG_SMP !! 25 OUTPUT_ARCH(sparc)
104 percpu PT_LOAD FLAGS(6); /* RW_ !! 26 ENTRY(_start)
>> 27 jiffies = jiffies_64 + 4;
>> 28 #else
>> 29 /* sparc64 */
>> 30 OUTPUT_FORMAT("elf64-sparc", "elf64-sparc", "elf64-sparc")
>> 31 OUTPUT_ARCH(sparc:v9a)
>> 32 ENTRY(_start)
>> 33 jiffies = jiffies_64;
105 #endif 34 #endif
106 init PT_LOAD FLAGS(7); /* RWE !! 35
>> 36 #ifdef CONFIG_SPARC64
>> 37 ASSERT((swapper_tsb == 0x0000000000408000), "Error: sparc64 early assembler too large")
107 #endif 38 #endif
108 note PT_NOTE FLAGS(0); /* ___ <<
109 } <<
110 39
111 SECTIONS 40 SECTIONS
112 { 41 {
113 . = __START_KERNEL; !! 42 #ifdef CONFIG_SPARC64
114 #ifdef CONFIG_X86_32 !! 43 swapper_pg_dir = 0x0000000000402000;
115 phys_startup_32 = ABSOLUTE(startup_32 <<
116 #else <<
117 phys_startup_64 = ABSOLUTE(startup_64 <<
118 #endif 44 #endif
119 !! 45 . = INITIAL_ADDRESS;
120 /* Text and read-only data */ !! 46 .text TEXTSTART :
121 .text : AT(ADDR(.text) - LOAD_OFFSET) !! 47 {
122 _text = .; 48 _text = .;
123 _stext = .; <<
124 /* bootstrapping code */ <<
125 HEAD_TEXT 49 HEAD_TEXT
126 TEXT_TEXT 50 TEXT_TEXT
127 SCHED_TEXT 51 SCHED_TEXT
>> 52 CPUIDLE_TEXT
128 LOCK_TEXT 53 LOCK_TEXT
129 KPROBES_TEXT 54 KPROBES_TEXT
>> 55 IRQENTRY_TEXT
130 SOFTIRQENTRY_TEXT 56 SOFTIRQENTRY_TEXT
131 #ifdef CONFIG_MITIGATION_RETPOLINE <<
132 *(.text..__x86.indirect_thunk) <<
133 *(.text..__x86.return_thunk) <<
134 #endif <<
135 STATIC_CALL_TEXT <<
136 <<
137 ALIGN_ENTRY_TEXT_BEGIN <<
138 *(.text..__x86.rethunk_untrain <<
139 ENTRY_TEXT <<
140 <<
141 #ifdef CONFIG_MITIGATION_SRSO <<
142 /* <<
143 * See the comment above srso_ <<
144 * definition. <<
145 */ <<
146 . = srso_alias_untrain_ret | ( <<
147 *(.text..__x86.rethunk_safe) <<
148 #endif <<
149 ALIGN_ENTRY_TEXT_END <<
150 *(.gnu.warning) 57 *(.gnu.warning)
151 !! 58 } = 0
152 } :text = 0xcccccccc <<
153 <<
154 /* End of text section, which should o <<
155 _etext = .; 59 _etext = .;
156 . = ALIGN(PAGE_SIZE); <<
157 60
158 X86_ALIGN_RODATA_BEGIN <<
159 RO_DATA(PAGE_SIZE) 61 RO_DATA(PAGE_SIZE)
160 X86_ALIGN_RODATA_END <<
161 <<
162 /* Data */ <<
163 .data : AT(ADDR(.data) - LOAD_OFFSET) <<
164 /* Start of data section */ <<
165 _sdata = .; <<
166 <<
167 /* init_task */ <<
168 INIT_TASK_DATA(THREAD_SIZE) <<
169 <<
170 /* equivalent to task_pt_regs( <<
171 __top_init_kernel_stack = __en <<
172 <<
173 #ifdef CONFIG_X86_32 <<
174 /* 32 bit has nosave before _e <<
175 NOSAVE_DATA <<
176 #endif <<
177 <<
178 PAGE_ALIGNED_DATA(PAGE_SIZE) <<
179 <<
180 CACHELINE_ALIGNED_DATA(L1_CACH <<
181 <<
182 DATA_DATA <<
183 CONSTRUCTORS <<
184 <<
185 /* rarely changed data like cp <<
186 READ_MOSTLY_DATA(INTERNODE_CAC <<
187 <<
188 /* End of data section */ <<
189 _edata = .; <<
190 } :data <<
191 <<
192 BUG_TABLE <<
193 <<
194 ORC_UNWIND_TABLE <<
195 <<
196 . = ALIGN(PAGE_SIZE); <<
197 __vvar_page = .; <<
198 <<
199 .vvar : AT(ADDR(.vvar) - LOAD_OFFSET) <<
200 /* work around gold bug 13023 <<
201 __vvar_beginning_hack = .; <<
202 <<
203 /* Place all vvars at the offs <<
204 #define EMIT_VVAR(name, offset) <<
205 . = __vvar_beginning_hack + of <<
206 *(.vvar_ ## name) <<
207 #include <asm/vvar.h> <<
208 #undef EMIT_VVAR <<
209 <<
210 /* <<
211 * Pad the rest of the page wi <<
212 * can leave garbage here. <<
213 */ <<
214 . = __vvar_beginning_hack + PA <<
215 } :data <<
216 <<
217 . = ALIGN(__vvar_page + PAGE_SIZE, PAG <<
218 <<
219 /* Init code and data - will be freed <<
220 . = ALIGN(PAGE_SIZE); <<
221 .init.begin : AT(ADDR(.init.begin) - L <<
222 __init_begin = .; /* paired wi <<
223 } <<
224 <<
225 #if defined(CONFIG_X86_64) && defined(CONFIG_S <<
226 /* <<
227 * percpu offsets are zero-based on SM <<
228 * output PHDR, so the next output sec <<
229 * start another segment - init. <<
230 */ <<
231 PERCPU_VADDR(INTERNODE_CACHE_BYTES, 0, <<
232 ASSERT(SIZEOF(.data..percpu) < CONFIG_ <<
233 "per-CPU data too large - incre <<
234 #endif <<
235 <<
236 INIT_TEXT_SECTION(PAGE_SIZE) <<
237 #ifdef CONFIG_X86_64 <<
238 :init <<
239 #endif <<
240 <<
241 /* <<
242 * Section for code used exclusively b <<
243 * references to such code must be pat <<
244 * by using X86_FEATURE_ALWAYS CPU fea <<
245 * <<
246 * See static_cpu_has() for an example <<
247 */ <<
248 .altinstr_aux : AT(ADDR(.altinstr_aux) <<
249 *(.altinstr_aux) <<
250 } <<
251 <<
252 INIT_DATA_SECTION(16) <<
253 62
254 .x86_cpu_dev.init : AT(ADDR(.x86_cpu_d !! 63 /* Start of data section */
255 __x86_cpu_dev_start = .; !! 64 _sdata = .;
256 *(.x86_cpu_dev.init) <<
257 __x86_cpu_dev_end = .; <<
258 } <<
259 <<
260 #ifdef CONFIG_X86_INTEL_MID <<
261 .x86_intel_mid_dev.init : AT(ADDR(.x86 <<
262 <<
263 __x86_intel_mid_dev_start = .; <<
264 *(.x86_intel_mid_dev.init) <<
265 __x86_intel_mid_dev_end = .; <<
266 } <<
267 #endif <<
268 65
269 #ifdef CONFIG_MITIGATION_RETPOLINE !! 66 .data1 : {
270 /* !! 67 *(.data1)
271 * List of instructions that call/jmp/ <<
272 * __x86_indirect_thunk_*(). These ins <<
273 * with alternatives, after which the <<
274 */ <<
275 . = ALIGN(8); <<
276 .retpoline_sites : AT(ADDR(.retpoline_ <<
277 __retpoline_sites = .; <<
278 *(.retpoline_sites) <<
279 __retpoline_sites_end = .; <<
280 } <<
281 <<
282 . = ALIGN(8); <<
283 .return_sites : AT(ADDR(.return_sites) <<
284 __return_sites = .; <<
285 *(.return_sites) <<
286 __return_sites_end = .; <<
287 } <<
288 <<
289 . = ALIGN(8); <<
290 .call_sites : AT(ADDR(.call_sites) - L <<
291 __call_sites = .; <<
292 *(.call_sites) <<
293 __call_sites_end = .; <<
294 } 68 }
295 #endif !! 69 RW_DATA_SECTION(SMP_CACHE_BYTES, 0, THREAD_SIZE)
296 <<
297 #ifdef CONFIG_X86_KERNEL_IBT <<
298 . = ALIGN(8); <<
299 .ibt_endbr_seal : AT(ADDR(.ibt_endbr_s <<
300 __ibt_endbr_seal = .; <<
301 *(.ibt_endbr_seal) <<
302 __ibt_endbr_seal_end = .; <<
303 } <<
304 #endif <<
305 <<
306 #ifdef CONFIG_FINEIBT <<
307 . = ALIGN(8); <<
308 .cfi_sites : AT(ADDR(.cfi_sites) - LOA <<
309 __cfi_sites = .; <<
310 *(.cfi_sites) <<
311 __cfi_sites_end = .; <<
312 } <<
313 #endif <<
314 70
315 /* !! 71 /* End of data section */
316 * struct alt_inst entries. From the h !! 72 _edata = .;
317 * "Alternative instructions for diffe <<
318 * Think locking instructions on spinl <<
319 */ <<
320 . = ALIGN(8); <<
321 .altinstructions : AT(ADDR(.altinstruc <<
322 __alt_instructions = .; <<
323 *(.altinstructions) <<
324 __alt_instructions_end = .; <<
325 } <<
326 <<
327 /* <<
328 * And here are the replacement instru <<
329 * them as binary blobs. The .altinstr <<
330 * get the address and the length of t <<
331 */ <<
332 .altinstr_replacement : AT(ADDR(.altin <<
333 *(.altinstr_replacement) <<
334 } <<
335 <<
336 . = ALIGN(8); <<
337 .apicdrivers : AT(ADDR(.apicdrivers) - <<
338 __apicdrivers = .; <<
339 *(.apicdrivers); <<
340 __apicdrivers_end = .; <<
341 } <<
342 <<
343 . = ALIGN(8); <<
344 /* <<
345 * .exit.text is discarded at runtime, <<
346 * references from .altinstructions <<
347 */ <<
348 .exit.text : AT(ADDR(.exit.text) - LOA <<
349 EXIT_TEXT <<
350 } <<
351 73
352 .exit.data : AT(ADDR(.exit.data) - LOA !! 74 .fixup : {
353 EXIT_DATA !! 75 __start___fixup = .;
>> 76 *(.fixup)
>> 77 __stop___fixup = .;
354 } 78 }
355 !! 79 EXCEPTION_TABLE(16)
356 #if !defined(CONFIG_X86_64) || !defined(CONFIG !! 80 NOTES
357 PERCPU_SECTION(INTERNODE_CACHE_BYTES) <<
358 #endif <<
359 <<
360 RUNTIME_CONST_VARIABLES <<
361 RUNTIME_CONST(ptr, USER_PTR_MAX) <<
362 81
363 . = ALIGN(PAGE_SIZE); 82 . = ALIGN(PAGE_SIZE);
>> 83 __init_begin = ALIGN(PAGE_SIZE);
>> 84 INIT_TEXT_SECTION(PAGE_SIZE)
>> 85 __init_text_end = .;
>> 86 INIT_DATA_SECTION(16)
364 87
365 /* freed after init ends here */ !! 88 . = ALIGN(4);
366 .init.end : AT(ADDR(.init.end) - LOAD_ !! 89 .tsb_ldquad_phys_patch : {
367 __init_end = .; !! 90 __tsb_ldquad_phys_patch = .;
>> 91 *(.tsb_ldquad_phys_patch)
>> 92 __tsb_ldquad_phys_patch_end = .;
>> 93 }
>> 94
>> 95 .tsb_phys_patch : {
>> 96 __tsb_phys_patch = .;
>> 97 *(.tsb_phys_patch)
>> 98 __tsb_phys_patch_end = .;
>> 99 }
>> 100
>> 101 .cpuid_patch : {
>> 102 __cpuid_patch = .;
>> 103 *(.cpuid_patch)
>> 104 __cpuid_patch_end = .;
>> 105 }
>> 106
>> 107 .sun4v_1insn_patch : {
>> 108 __sun4v_1insn_patch = .;
>> 109 *(.sun4v_1insn_patch)
>> 110 __sun4v_1insn_patch_end = .;
>> 111 }
>> 112 .sun4v_2insn_patch : {
>> 113 __sun4v_2insn_patch = .;
>> 114 *(.sun4v_2insn_patch)
>> 115 __sun4v_2insn_patch_end = .;
>> 116 }
>> 117 .leon_1insn_patch : {
>> 118 __leon_1insn_patch = .;
>> 119 *(.leon_1insn_patch)
>> 120 __leon_1insn_patch_end = .;
>> 121 }
>> 122 .swapper_tsb_phys_patch : {
>> 123 __swapper_tsb_phys_patch = .;
>> 124 *(.swapper_tsb_phys_patch)
>> 125 __swapper_tsb_phys_patch_end = .;
>> 126 }
>> 127 .swapper_4m_tsb_phys_patch : {
>> 128 __swapper_4m_tsb_phys_patch = .;
>> 129 *(.swapper_4m_tsb_phys_patch)
>> 130 __swapper_4m_tsb_phys_patch_end = .;
>> 131 }
>> 132 .popc_3insn_patch : {
>> 133 __popc_3insn_patch = .;
>> 134 *(.popc_3insn_patch)
>> 135 __popc_3insn_patch_end = .;
>> 136 }
>> 137 .popc_6insn_patch : {
>> 138 __popc_6insn_patch = .;
>> 139 *(.popc_6insn_patch)
>> 140 __popc_6insn_patch_end = .;
>> 141 }
>> 142 .pause_3insn_patch : {
>> 143 __pause_3insn_patch = .;
>> 144 *(.pause_3insn_patch)
>> 145 __pause_3insn_patch_end = .;
>> 146 }
>> 147 .sun_m7_2insn_patch : {
>> 148 __sun_m7_2insn_patch = .;
>> 149 *(.sun_m7_2insn_patch)
>> 150 __sun_m7_2insn_patch_end = .;
368 } 151 }
>> 152 PERCPU_SECTION(SMP_CACHE_BYTES)
369 153
370 /* !! 154 #ifdef CONFIG_JUMP_LABEL
371 * smp_locks might be freed after init <<
372 * start/end must be page aligned <<
373 */ <<
374 . = ALIGN(PAGE_SIZE); 155 . = ALIGN(PAGE_SIZE);
375 .smp_locks : AT(ADDR(.smp_locks) - LOA !! 156 .exit.text : {
376 __smp_locks = .; !! 157 EXIT_TEXT
377 *(.smp_locks) <<
378 . = ALIGN(PAGE_SIZE); <<
379 __smp_locks_end = .; <<
380 } <<
381 <<
382 #ifdef CONFIG_X86_64 <<
383 .data_nosave : AT(ADDR(.data_nosave) - <<
384 NOSAVE_DATA <<
385 } 158 }
386 #endif 159 #endif
387 160
388 /* BSS */ <<
389 . = ALIGN(PAGE_SIZE); 161 . = ALIGN(PAGE_SIZE);
390 .bss : AT(ADDR(.bss) - LOAD_OFFSET) { !! 162 __init_end = .;
391 __bss_start = .; !! 163 BSS_SECTION(0, 0, 0)
392 *(.bss..page_aligned) !! 164 _end = . ;
393 . = ALIGN(PAGE_SIZE); <<
394 *(BSS_MAIN) <<
395 BSS_DECRYPTED <<
396 . = ALIGN(PAGE_SIZE); <<
397 __bss_stop = .; <<
398 } <<
399 <<
400 /* <<
401 * The memory occupied from _text to h <<
402 * automatically reserved in setup_arc <<
403 * explicitly reserved using memblock_ <<
404 * and treated as available memory. <<
405 */ <<
406 __end_of_kernel_reserve = .; <<
407 <<
408 . = ALIGN(PAGE_SIZE); <<
409 .brk : AT(ADDR(.brk) - LOAD_OFFSET) { <<
410 __brk_base = .; <<
411 . += 64 * 1024; /* 64k <<
412 *(.bss..brk) /* are <<
413 __brk_limit = .; <<
414 } <<
415 <<
416 . = ALIGN(PAGE_SIZE); /* kee <<
417 _end = .; <<
418 <<
419 #ifdef CONFIG_AMD_MEM_ENCRYPT <<
420 /* <<
421 * Early scratch/workarea section: Liv <<
422 * (_text - _end). <<
423 * <<
424 * Resides after _end because even tho <<
425 * __end_of_kernel_reserve, the .brk s <<
426 * part of the kernel. Since it is loc <<
427 * it will be discarded and become par <<
428 * such, it can only be used by very e <<
429 * needed afterwards. <<
430 * <<
431 * Currently used by SME for performin <<
432 * kernel during boot. Resides on a 2M <<
433 * pagetable setup used for SME in-pla <<
434 */ <<
435 . = ALIGN(HPAGE_SIZE); <<
436 .init.scratch : AT(ADDR(.init.scratch) <<
437 __init_scratch_begin = .; <<
438 *(.init.scratch) <<
439 . = ALIGN(HPAGE_SIZE); <<
440 __init_scratch_end = .; <<
441 } <<
442 #endif <<
443 165
444 STABS_DEBUG 166 STABS_DEBUG
445 DWARF_DEBUG 167 DWARF_DEBUG
446 ELF_DETAILS <<
447 168
448 DISCARDS 169 DISCARDS
449 <<
450 /* <<
451 * Make sure that the .got.plt is eith <<
452 * contains only the lazy dispatch ent <<
453 */ <<
454 .got.plt (INFO) : { *(.got.plt) } <<
455 ASSERT(SIZEOF(.got.plt) == 0 || <<
456 #ifdef CONFIG_X86_64 <<
457 SIZEOF(.got.plt) == 0x18, <<
458 #else <<
459 SIZEOF(.got.plt) == 0xc, <<
460 #endif <<
461 "Unexpected GOT/PLT entries det <<
462 <<
463 /* <<
464 * Sections that should stay zero size <<
465 * explicitly check instead of blindly <<
466 */ <<
467 .got : { <<
468 *(.got) *(.igot.*) <<
469 } <<
470 ASSERT(SIZEOF(.got) == 0, "Unexpected <<
471 <<
472 .plt : { <<
473 *(.plt) *(.plt.*) *(.iplt) <<
474 } <<
475 ASSERT(SIZEOF(.plt) == 0, "Unexpected <<
476 <<
477 .rel.dyn : { <<
478 *(.rel.*) *(.rel_*) <<
479 } <<
480 ASSERT(SIZEOF(.rel.dyn) == 0, "Unexpec <<
481 <<
482 .rela.dyn : { <<
483 *(.rela.*) *(.rela_*) <<
484 } <<
485 ASSERT(SIZEOF(.rela.dyn) == 0, "Unexpe <<
486 } 170 }
487 <<
488 /* <<
489 * The ASSERT() sink to . is intentional, for <<
490 */ <<
491 . = ASSERT((_end - LOAD_OFFSET <= KERNEL_IMAGE <<
492 "kernel image bigger than KERNEL_IM <<
493 <<
494 #ifdef CONFIG_X86_64 <<
495 /* <<
496 * Per-cpu symbols which need to be offset fro <<
497 * for the boot processor. <<
498 */ <<
499 #define INIT_PER_CPU(x) init_per_cpu__##x = AB <<
500 INIT_PER_CPU(gdt_page); <<
501 INIT_PER_CPU(fixed_percpu_data); <<
502 INIT_PER_CPU(irq_stack_backing_store); <<
503 <<
504 #ifdef CONFIG_SMP <<
505 . = ASSERT((fixed_percpu_data == 0), <<
506 "fixed_percpu_data is not at start <<
507 #endif <<
508 <<
509 #ifdef CONFIG_MITIGATION_UNRET_ENTRY <<
510 . = ASSERT((retbleed_return_thunk & 0x3f) == 0 <<
511 #endif <<
512 <<
513 #ifdef CONFIG_MITIGATION_SRSO <<
514 . = ASSERT((srso_safe_ret & 0x3f) == 0, "srso_ <<
515 /* <<
516 * GNU ld cannot do XOR until 2.41. <<
517 * https://sourceware.org/git/?p=binutils-gdb. <<
518 * <<
519 * LLVM lld cannot do XOR until lld-17. <<
520 * https://github.com/llvm/llvm-project/commit <<
521 * <<
522 * Instead do: (A | B) - (A & B) in order to c <<
523 * of the two function addresses: <<
524 */ <<
525 . = ASSERT(((ABSOLUTE(srso_alias_untrain_ret) <<
526 (ABSOLUTE(srso_alias_untrain_r <<
527 "SRSO function pair won't alia <<
528 #endif <<
529 <<
530 #endif /* CONFIG_X86_64 */ <<
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