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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifdef CONFIG_PPC64
3#define PROVIDE32(x) PROVIDE(__unused__##x)
4#else
5#define PROVIDE32(x) PROVIDE(x)
6#endif
7
8#define BSS_FIRST_SECTIONS *(.bss.prominit)
9#define EMITS_PT_NOTE
10#define RO_EXCEPTION_TABLE_ALIGN 0
11#define RUNTIME_DISCARD_EXIT
12
13#define SOFT_MASK_TABLE(align) \
14 . = ALIGN(align); \
15 __soft_mask_table : AT(ADDR(__soft_mask_table) - LOAD_OFFSET) { \
16 __start___soft_mask_table = .; \
17 KEEP(*(__soft_mask_table)) \
18 __stop___soft_mask_table = .; \
19 }
20
21#define RESTART_TABLE(align) \
22 . = ALIGN(align); \
23 __restart_table : AT(ADDR(__restart_table) - LOAD_OFFSET) { \
24 __start___restart_table = .; \
25 KEEP(*(__restart_table)) \
26 __stop___restart_table = .; \
27 }
28
29#include <asm/page.h>
30#include <asm-generic/vmlinux.lds.h>
31#include <asm/cache.h>
32#include <asm/thread_info.h>
33
34#define STRICT_ALIGN_SIZE (1 << CONFIG_DATA_SHIFT)
35
36#if STRICT_ALIGN_SIZE < PAGE_SIZE
37#error "CONFIG_DATA_SHIFT must be >= PAGE_SHIFT"
38#endif
39
40ENTRY(_stext)
41
42PHDRS {
43 text PT_LOAD FLAGS(7); /* RWX */
44 note PT_NOTE FLAGS(0);
45}
46
47#ifdef CONFIG_PPC64
48OUTPUT_ARCH(powerpc:common64)
49jiffies = jiffies_64;
50#else
51OUTPUT_ARCH(powerpc:common)
52jiffies = jiffies_64 + 4;
53#endif
54SECTIONS
55{
56 . = KERNELBASE;
57
58/*
59 * Text, read only data and other permanent read-only sections
60 */
61
62 _text = .;
63 _stext = .;
64
65 /*
66 * Head text.
67 * This needs to be in its own output section to avoid ld placing
68 * branch trampoline stubs randomly throughout the fixed sections,
69 * which it will do (even if the branch comes from another section)
70 * in order to optimize stub generation.
71 */
72 .head.text : AT(ADDR(.head.text) - LOAD_OFFSET) {
73#ifdef CONFIG_PPC64
74 KEEP(*(.head.text.first_256B));
75#ifdef CONFIG_PPC_BOOK3E_64
76#else
77 KEEP(*(.head.text.real_vectors));
78 *(.head.text.real_trampolines);
79 KEEP(*(.head.text.virt_vectors));
80 *(.head.text.virt_trampolines);
81# if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV)
82 KEEP(*(.head.data.fwnmi_page));
83# endif
84#endif
85#else /* !CONFIG_PPC64 */
86 HEAD_TEXT
87#endif
88 } :text
89
90 __head_end = .;
91
92#ifdef CONFIG_PPC64
93 /*
94 * ALIGN(0) overrides the default output section alignment because
95 * this needs to start right after .head.text in order for fixed
96 * section placement to work.
97 */
98 .text ALIGN(0) : AT(ADDR(.text) - LOAD_OFFSET) {
99#ifdef CONFIG_LD_HEAD_STUB_CATCH
100 KEEP(*(.linker_stub_catch));
101 . = . ;
102#endif
103
104#else
105 .text : AT(ADDR(.text) - LOAD_OFFSET) {
106 ALIGN_FUNCTION();
107#endif
108 /* careful! __ftr_alt_* sections need to be close to .text */
109 *(.text.hot .text.hot.* TEXT_MAIN .text.fixup .text.unlikely .text.unlikely.* .fixup __ftr_alt_* .ref.text);
110 *(.tramp.ftrace.text);
111 NOINSTR_TEXT
112 SCHED_TEXT
113 LOCK_TEXT
114 KPROBES_TEXT
115 IRQENTRY_TEXT
116 SOFTIRQENTRY_TEXT
117 /*
118 * -Os builds call FP save/restore functions. The powerpc64
119 * linker generates those on demand in the .sfpr section.
120 * .sfpr gets placed at the beginning of a group of input
121 * sections, which can break start-of-text offset if it is
122 * included with the main text sections, so put it by itself.
123 */
124 *(.sfpr);
125 *(.text.asan.* .text.tsan.*)
126 MEM_KEEP(init.text)
127 MEM_KEEP(exit.text)
128 } :text
129
130 . = ALIGN(PAGE_SIZE);
131 _etext = .;
132 PROVIDE32 (etext = .);
133
134 /* Read-only data */
135 RO_DATA(PAGE_SIZE)
136
137#ifdef CONFIG_PPC32
138 .sdata2 : AT(ADDR(.sdata2) - LOAD_OFFSET) {
139 *(.sdata2)
140 }
141#endif
142
143 .data.rel.ro : AT(ADDR(.data.rel.ro) - LOAD_OFFSET) {
144 *(.data.rel.ro .data.rel.ro.*)
145 }
146
147 .branch_lt : AT(ADDR(.branch_lt) - LOAD_OFFSET) {
148 *(.branch_lt)
149 }
150
151#ifdef CONFIG_PPC32
152 .got1 : AT(ADDR(.got1) - LOAD_OFFSET) {
153 *(.got1)
154 }
155 .got2 : AT(ADDR(.got2) - LOAD_OFFSET) {
156 __got2_start = .;
157 *(.got2)
158 __got2_end = .;
159 }
160 .got : AT(ADDR(.got) - LOAD_OFFSET) {
161 *(.got)
162 *(.got.plt)
163 }
164 .plt : AT(ADDR(.plt) - LOAD_OFFSET) {
165 /* XXX: is .plt (and .got.plt) required? */
166 *(.plt)
167 }
168
169#else /* CONFIG_PPC32 */
170#ifndef CONFIG_PPC_KERNEL_PCREL
171 .toc1 : AT(ADDR(.toc1) - LOAD_OFFSET) {
172 *(.toc1)
173 }
174#endif
175
176 .got : AT(ADDR(.got) - LOAD_OFFSET) ALIGN(256) {
177#ifdef CONFIG_PPC_KERNEL_PCREL
178 *(.got)
179#else
180 *(.got .toc)
181#endif
182 }
183
184 SOFT_MASK_TABLE(8)
185 RESTART_TABLE(8)
186
187#ifdef CONFIG_PPC64_ELF_ABI_V1
188 .opd : AT(ADDR(.opd) - LOAD_OFFSET) {
189 __start_opd = .;
190 KEEP(*(.opd))
191 __end_opd = .;
192 }
193#endif
194
195 . = ALIGN(8);
196 __stf_entry_barrier_fixup : AT(ADDR(__stf_entry_barrier_fixup) - LOAD_OFFSET) {
197 __start___stf_entry_barrier_fixup = .;
198 *(__stf_entry_barrier_fixup)
199 __stop___stf_entry_barrier_fixup = .;
200 }
201
202 . = ALIGN(8);
203 __uaccess_flush_fixup : AT(ADDR(__uaccess_flush_fixup) - LOAD_OFFSET) {
204 __start___uaccess_flush_fixup = .;
205 *(__uaccess_flush_fixup)
206 __stop___uaccess_flush_fixup = .;
207 }
208
209 . = ALIGN(8);
210 __entry_flush_fixup : AT(ADDR(__entry_flush_fixup) - LOAD_OFFSET) {
211 __start___entry_flush_fixup = .;
212 *(__entry_flush_fixup)
213 __stop___entry_flush_fixup = .;
214 }
215
216 . = ALIGN(8);
217 __scv_entry_flush_fixup : AT(ADDR(__scv_entry_flush_fixup) - LOAD_OFFSET) {
218 __start___scv_entry_flush_fixup = .;
219 *(__scv_entry_flush_fixup)
220 __stop___scv_entry_flush_fixup = .;
221 }
222
223 . = ALIGN(8);
224 __stf_exit_barrier_fixup : AT(ADDR(__stf_exit_barrier_fixup) - LOAD_OFFSET) {
225 __start___stf_exit_barrier_fixup = .;
226 *(__stf_exit_barrier_fixup)
227 __stop___stf_exit_barrier_fixup = .;
228 }
229
230 . = ALIGN(8);
231 __rfi_flush_fixup : AT(ADDR(__rfi_flush_fixup) - LOAD_OFFSET) {
232 __start___rfi_flush_fixup = .;
233 *(__rfi_flush_fixup)
234 __stop___rfi_flush_fixup = .;
235 }
236#endif /* CONFIG_PPC32 */
237
238#ifdef CONFIG_PPC_BARRIER_NOSPEC
239 . = ALIGN(8);
240 __spec_barrier_fixup : AT(ADDR(__spec_barrier_fixup) - LOAD_OFFSET) {
241 __start___barrier_nospec_fixup = .;
242 *(__barrier_nospec_fixup)
243 __stop___barrier_nospec_fixup = .;
244 }
245#endif /* CONFIG_PPC_BARRIER_NOSPEC */
246
247#ifdef CONFIG_PPC_E500
248 . = ALIGN(8);
249 __spec_btb_flush_fixup : AT(ADDR(__spec_btb_flush_fixup) - LOAD_OFFSET) {
250 __start__btb_flush_fixup = .;
251 *(__btb_flush_fixup)
252 __stop__btb_flush_fixup = .;
253 }
254#endif
255
256 /*
257 * Various code relies on __init_begin being at the strict RWX boundary.
258 */
259 . = ALIGN(STRICT_ALIGN_SIZE);
260 __srwx_boundary = .;
261 __end_rodata = .;
262 __init_begin = .;
263
264/*
265 * Init sections discarded at runtime
266 */
267 .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
268 _sinittext = .;
269 INIT_TEXT
270
271 /*
272 *.init.text might be RO so we must ensure this section ends on
273 * a page boundary.
274 */
275 . = ALIGN(PAGE_SIZE);
276 _einittext = .;
277 *(.tramp.ftrace.init);
278 } :text
279
280 /* .exit.text is discarded at runtime, not link time,
281 * to deal with references from __bug_table
282 */
283 .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) {
284 __exittext_begin = .;
285 EXIT_TEXT
286 __exittext_end = .;
287 }
288
289 . = ALIGN(PAGE_SIZE);
290
291 INIT_DATA_SECTION(16)
292
293 . = ALIGN(8);
294 __ftr_fixup : AT(ADDR(__ftr_fixup) - LOAD_OFFSET) {
295 __start___ftr_fixup = .;
296 KEEP(*(__ftr_fixup))
297 __stop___ftr_fixup = .;
298 }
299 . = ALIGN(8);
300 __mmu_ftr_fixup : AT(ADDR(__mmu_ftr_fixup) - LOAD_OFFSET) {
301 __start___mmu_ftr_fixup = .;
302 KEEP(*(__mmu_ftr_fixup))
303 __stop___mmu_ftr_fixup = .;
304 }
305 . = ALIGN(8);
306 __lwsync_fixup : AT(ADDR(__lwsync_fixup) - LOAD_OFFSET) {
307 __start___lwsync_fixup = .;
308 KEEP(*(__lwsync_fixup))
309 __stop___lwsync_fixup = .;
310 }
311#ifdef CONFIG_PPC64
312 . = ALIGN(8);
313 __fw_ftr_fixup : AT(ADDR(__fw_ftr_fixup) - LOAD_OFFSET) {
314 __start___fw_ftr_fixup = .;
315 KEEP(*(__fw_ftr_fixup))
316 __stop___fw_ftr_fixup = .;
317 }
318#endif
319
320 PERCPU_SECTION(L1_CACHE_BYTES)
321
322 . = ALIGN(8);
323 .machine.desc : AT(ADDR(.machine.desc) - LOAD_OFFSET) {
324 __machine_desc_start = . ;
325 KEEP(*(.machine.desc))
326 __machine_desc_end = . ;
327 }
328#ifdef CONFIG_RELOCATABLE
329 . = ALIGN(8);
330 .dynsym : AT(ADDR(.dynsym) - LOAD_OFFSET)
331 {
332 __dynamic_symtab = .;
333 *(.dynsym)
334 }
335 .dynstr : AT(ADDR(.dynstr) - LOAD_OFFSET) { *(.dynstr) }
336 .dynamic : AT(ADDR(.dynamic) - LOAD_OFFSET)
337 {
338 __dynamic_start = .;
339 *(.dynamic)
340 }
341 .hash : AT(ADDR(.hash) - LOAD_OFFSET) { *(.hash) }
342 .gnu.hash : AT(ADDR(.gnu.hash) - LOAD_OFFSET) { *(.gnu.hash) }
343 .interp : AT(ADDR(.interp) - LOAD_OFFSET) { *(.interp) }
344 .rela.dyn : AT(ADDR(.rela.dyn) - LOAD_OFFSET)
345 {
346 __rela_dyn_start = .;
347 *(.rela*)
348 }
349#endif
350 /* .exit.data is discarded at runtime, not link time,
351 * to deal with references from .exit.text
352 */
353 .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) {
354 EXIT_DATA
355 }
356
357 /* freed after init ends here */
358 . = ALIGN(PAGE_SIZE);
359 __init_end = .;
360
361/*
362 * And now the various read/write data
363 */
364
365 . = ALIGN(PAGE_SIZE);
366 _sdata = .;
367
368 .data : AT(ADDR(.data) - LOAD_OFFSET) {
369 DATA_DATA
370 *(.data.rel*)
371#ifdef CONFIG_PPC32
372 *(SDATA_MAIN)
373#endif
374 }
375
376 /* The initial task and kernel stack */
377 INIT_TASK_DATA_SECTION(THREAD_ALIGN)
378
379 .data..page_aligned : AT(ADDR(.data..page_aligned) - LOAD_OFFSET) {
380 PAGE_ALIGNED_DATA(PAGE_SIZE)
381 }
382
383 .data..cacheline_aligned : AT(ADDR(.data..cacheline_aligned) - LOAD_OFFSET) {
384 CACHELINE_ALIGNED_DATA(L1_CACHE_BYTES)
385 }
386
387 .data..read_mostly : AT(ADDR(.data..read_mostly) - LOAD_OFFSET) {
388 READ_MOSTLY_DATA(L1_CACHE_BYTES)
389 }
390
391 . = ALIGN(PAGE_SIZE);
392 .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
393 NOSAVE_DATA
394 }
395
396 BUG_TABLE
397
398 . = ALIGN(PAGE_SIZE);
399 _edata = .;
400 PROVIDE32 (edata = .);
401
402/*
403 * And finally the bss
404 */
405
406 BSS_SECTION(0, 0, 0)
407
408 . = ALIGN(PAGE_SIZE);
409 _end = . ;
410 PROVIDE32 (end = .);
411
412 DWARF_DEBUG
413 ELF_DETAILS
414
415 DISCARDS
416 /DISCARD/ : {
417 *(*.EMB.apuinfo)
418 *(.glink .iplt .plt)
419 *(.gnu.version*)
420 *(.gnu.attributes)
421 *(.eh_frame)
422#ifndef CONFIG_RELOCATABLE
423 *(.rela*)
424#endif
425 }
426}
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifdef CONFIG_PPC64
3#define PROVIDE32(x) PROVIDE(__unused__##x)
4#else
5#define PROVIDE32(x) PROVIDE(x)
6#endif
7
8#define BSS_FIRST_SECTIONS *(.bss.prominit)
9#define EMITS_PT_NOTE
10#define RO_EXCEPTION_TABLE_ALIGN 0
11
12#define SOFT_MASK_TABLE(align) \
13 . = ALIGN(align); \
14 __soft_mask_table : AT(ADDR(__soft_mask_table) - LOAD_OFFSET) { \
15 __start___soft_mask_table = .; \
16 KEEP(*(__soft_mask_table)) \
17 __stop___soft_mask_table = .; \
18 }
19
20#define RESTART_TABLE(align) \
21 . = ALIGN(align); \
22 __restart_table : AT(ADDR(__restart_table) - LOAD_OFFSET) { \
23 __start___restart_table = .; \
24 KEEP(*(__restart_table)) \
25 __stop___restart_table = .; \
26 }
27
28#include <asm/page.h>
29#include <asm-generic/vmlinux.lds.h>
30#include <asm/cache.h>
31#include <asm/thread_info.h>
32
33#define STRICT_ALIGN_SIZE (1 << CONFIG_DATA_SHIFT)
34
35ENTRY(_stext)
36
37PHDRS {
38 text PT_LOAD FLAGS(7); /* RWX */
39 note PT_NOTE FLAGS(0);
40}
41
42#ifdef CONFIG_PPC64
43OUTPUT_ARCH(powerpc:common64)
44jiffies = jiffies_64;
45#else
46OUTPUT_ARCH(powerpc:common)
47jiffies = jiffies_64 + 4;
48#endif
49SECTIONS
50{
51 . = KERNELBASE;
52
53/*
54 * Text, read only data and other permanent read-only sections
55 */
56
57 _text = .;
58 _stext = .;
59
60 /*
61 * Head text.
62 * This needs to be in its own output section to avoid ld placing
63 * branch trampoline stubs randomly throughout the fixed sections,
64 * which it will do (even if the branch comes from another section)
65 * in order to optimize stub generation.
66 */
67 .head.text : AT(ADDR(.head.text) - LOAD_OFFSET) {
68#ifdef CONFIG_PPC64
69 KEEP(*(.head.text.first_256B));
70#ifdef CONFIG_PPC_BOOK3E
71#else
72 KEEP(*(.head.text.real_vectors));
73 *(.head.text.real_trampolines);
74 KEEP(*(.head.text.virt_vectors));
75 *(.head.text.virt_trampolines);
76# if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV)
77 KEEP(*(.head.data.fwnmi_page));
78# endif
79#endif
80#else /* !CONFIG_PPC64 */
81 HEAD_TEXT
82#endif
83 } :text
84
85 __head_end = .;
86
87#ifdef CONFIG_PPC64
88 /*
89 * ALIGN(0) overrides the default output section alignment because
90 * this needs to start right after .head.text in order for fixed
91 * section placement to work.
92 */
93 .text ALIGN(0) : AT(ADDR(.text) - LOAD_OFFSET) {
94#ifdef CONFIG_LD_HEAD_STUB_CATCH
95 KEEP(*(.linker_stub_catch));
96 . = . ;
97#endif
98
99#else
100 .text : AT(ADDR(.text) - LOAD_OFFSET) {
101 ALIGN_FUNCTION();
102#endif
103 /* careful! __ftr_alt_* sections need to be close to .text */
104 *(.text.hot .text.hot.* TEXT_MAIN .text.fixup .text.unlikely .text.unlikely.* .fixup __ftr_alt_* .ref.text);
105#ifdef CONFIG_PPC64
106 *(.tramp.ftrace.text);
107#endif
108 NOINSTR_TEXT
109 SCHED_TEXT
110 CPUIDLE_TEXT
111 LOCK_TEXT
112 KPROBES_TEXT
113 IRQENTRY_TEXT
114 SOFTIRQENTRY_TEXT
115 /*
116 * -Os builds call FP save/restore functions. The powerpc64
117 * linker generates those on demand in the .sfpr section.
118 * .sfpr gets placed at the beginning of a group of input
119 * sections, which can break start-of-text offset if it is
120 * included with the main text sections, so put it by itself.
121 */
122 *(.sfpr);
123 MEM_KEEP(init.text)
124 MEM_KEEP(exit.text)
125
126#ifdef CONFIG_PPC32
127 *(.got1)
128 __got2_start = .;
129 *(.got2)
130 __got2_end = .;
131#endif /* CONFIG_PPC32 */
132
133 } :text
134
135 . = ALIGN(PAGE_SIZE);
136 _etext = .;
137 PROVIDE32 (etext = .);
138
139 /* Read-only data */
140 RO_DATA(PAGE_SIZE)
141
142#ifdef CONFIG_PPC64
143 SOFT_MASK_TABLE(8)
144 RESTART_TABLE(8)
145
146 . = ALIGN(8);
147 __stf_entry_barrier_fixup : AT(ADDR(__stf_entry_barrier_fixup) - LOAD_OFFSET) {
148 __start___stf_entry_barrier_fixup = .;
149 *(__stf_entry_barrier_fixup)
150 __stop___stf_entry_barrier_fixup = .;
151 }
152
153 . = ALIGN(8);
154 __uaccess_flush_fixup : AT(ADDR(__uaccess_flush_fixup) - LOAD_OFFSET) {
155 __start___uaccess_flush_fixup = .;
156 *(__uaccess_flush_fixup)
157 __stop___uaccess_flush_fixup = .;
158 }
159
160 . = ALIGN(8);
161 __entry_flush_fixup : AT(ADDR(__entry_flush_fixup) - LOAD_OFFSET) {
162 __start___entry_flush_fixup = .;
163 *(__entry_flush_fixup)
164 __stop___entry_flush_fixup = .;
165 }
166
167 . = ALIGN(8);
168 __scv_entry_flush_fixup : AT(ADDR(__scv_entry_flush_fixup) - LOAD_OFFSET) {
169 __start___scv_entry_flush_fixup = .;
170 *(__scv_entry_flush_fixup)
171 __stop___scv_entry_flush_fixup = .;
172 }
173
174 . = ALIGN(8);
175 __stf_exit_barrier_fixup : AT(ADDR(__stf_exit_barrier_fixup) - LOAD_OFFSET) {
176 __start___stf_exit_barrier_fixup = .;
177 *(__stf_exit_barrier_fixup)
178 __stop___stf_exit_barrier_fixup = .;
179 }
180
181 . = ALIGN(8);
182 __rfi_flush_fixup : AT(ADDR(__rfi_flush_fixup) - LOAD_OFFSET) {
183 __start___rfi_flush_fixup = .;
184 *(__rfi_flush_fixup)
185 __stop___rfi_flush_fixup = .;
186 }
187#endif /* CONFIG_PPC64 */
188
189#ifdef CONFIG_PPC_BARRIER_NOSPEC
190 . = ALIGN(8);
191 __spec_barrier_fixup : AT(ADDR(__spec_barrier_fixup) - LOAD_OFFSET) {
192 __start___barrier_nospec_fixup = .;
193 *(__barrier_nospec_fixup)
194 __stop___barrier_nospec_fixup = .;
195 }
196#endif /* CONFIG_PPC_BARRIER_NOSPEC */
197
198#ifdef CONFIG_PPC_FSL_BOOK3E
199 . = ALIGN(8);
200 __spec_btb_flush_fixup : AT(ADDR(__spec_btb_flush_fixup) - LOAD_OFFSET) {
201 __start__btb_flush_fixup = .;
202 *(__btb_flush_fixup)
203 __stop__btb_flush_fixup = .;
204 }
205#endif
206
207/*
208 * Init sections discarded at runtime
209 */
210 . = ALIGN(STRICT_ALIGN_SIZE);
211 __init_begin = .;
212 . = ALIGN(PAGE_SIZE);
213 .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
214 _sinittext = .;
215 INIT_TEXT
216
217 /*
218 *.init.text might be RO so we must ensure this section ends on
219 * a page boundary.
220 */
221 . = ALIGN(PAGE_SIZE);
222 _einittext = .;
223#ifdef CONFIG_PPC64
224 *(.tramp.ftrace.init);
225#endif
226 } :text
227
228 /* .exit.text is discarded at runtime, not link time,
229 * to deal with references from __bug_table
230 */
231 .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) {
232 EXIT_TEXT
233 }
234
235 . = ALIGN(PAGE_SIZE);
236
237 INIT_DATA_SECTION(16)
238
239 . = ALIGN(8);
240 __ftr_fixup : AT(ADDR(__ftr_fixup) - LOAD_OFFSET) {
241 __start___ftr_fixup = .;
242 KEEP(*(__ftr_fixup))
243 __stop___ftr_fixup = .;
244 }
245 . = ALIGN(8);
246 __mmu_ftr_fixup : AT(ADDR(__mmu_ftr_fixup) - LOAD_OFFSET) {
247 __start___mmu_ftr_fixup = .;
248 KEEP(*(__mmu_ftr_fixup))
249 __stop___mmu_ftr_fixup = .;
250 }
251 . = ALIGN(8);
252 __lwsync_fixup : AT(ADDR(__lwsync_fixup) - LOAD_OFFSET) {
253 __start___lwsync_fixup = .;
254 KEEP(*(__lwsync_fixup))
255 __stop___lwsync_fixup = .;
256 }
257#ifdef CONFIG_PPC64
258 . = ALIGN(8);
259 __fw_ftr_fixup : AT(ADDR(__fw_ftr_fixup) - LOAD_OFFSET) {
260 __start___fw_ftr_fixup = .;
261 KEEP(*(__fw_ftr_fixup))
262 __stop___fw_ftr_fixup = .;
263 }
264#endif
265
266 PERCPU_SECTION(L1_CACHE_BYTES)
267
268 . = ALIGN(8);
269 .machine.desc : AT(ADDR(.machine.desc) - LOAD_OFFSET) {
270 __machine_desc_start = . ;
271 KEEP(*(.machine.desc))
272 __machine_desc_end = . ;
273 }
274#ifdef CONFIG_RELOCATABLE
275 . = ALIGN(8);
276 .dynsym : AT(ADDR(.dynsym) - LOAD_OFFSET)
277 {
278#ifdef CONFIG_PPC32
279 __dynamic_symtab = .;
280#endif
281 *(.dynsym)
282 }
283 .dynstr : AT(ADDR(.dynstr) - LOAD_OFFSET) { *(.dynstr) }
284 .dynamic : AT(ADDR(.dynamic) - LOAD_OFFSET)
285 {
286 __dynamic_start = .;
287 *(.dynamic)
288 }
289 .hash : AT(ADDR(.hash) - LOAD_OFFSET) { *(.hash) }
290 .gnu.hash : AT(ADDR(.gnu.hash) - LOAD_OFFSET) { *(.gnu.hash) }
291 .interp : AT(ADDR(.interp) - LOAD_OFFSET) { *(.interp) }
292 .rela.dyn : AT(ADDR(.rela.dyn) - LOAD_OFFSET)
293 {
294 __rela_dyn_start = .;
295 *(.rela*)
296 }
297#endif
298 /* .exit.data is discarded at runtime, not link time,
299 * to deal with references from .exit.text
300 */
301 .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) {
302 EXIT_DATA
303 }
304
305 /* freed after init ends here */
306 . = ALIGN(PAGE_SIZE);
307 __init_end = .;
308
309/*
310 * And now the various read/write data
311 */
312
313 . = ALIGN(PAGE_SIZE);
314 _sdata = .;
315
316#ifdef CONFIG_PPC32
317 .data : AT(ADDR(.data) - LOAD_OFFSET) {
318 DATA_DATA
319#ifdef CONFIG_UBSAN
320 *(.data..Lubsan_data*)
321 *(.data..Lubsan_type*)
322#endif
323 *(.data.rel*)
324 *(SDATA_MAIN)
325 *(.sdata2)
326 *(.got.plt) *(.got)
327 *(.plt)
328 *(.branch_lt)
329 }
330#else
331 .data : AT(ADDR(.data) - LOAD_OFFSET) {
332 DATA_DATA
333#ifdef CONFIG_UBSAN
334 *(.data..Lubsan_data*)
335 *(.data..Lubsan_type*)
336#endif
337 *(.data.rel*)
338 *(.toc1)
339 *(.branch_lt)
340 }
341
342 .opd : AT(ADDR(.opd) - LOAD_OFFSET) {
343 __start_opd = .;
344 KEEP(*(.opd))
345 __end_opd = .;
346 }
347
348 . = ALIGN(256);
349 .got : AT(ADDR(.got) - LOAD_OFFSET) {
350 __toc_start = .;
351#ifndef CONFIG_RELOCATABLE
352 __prom_init_toc_start = .;
353 arch/powerpc/kernel/prom_init.o*(.toc .got)
354 __prom_init_toc_end = .;
355#endif
356 *(.got)
357 *(.toc)
358 }
359#endif
360
361 /* The initial task and kernel stack */
362 INIT_TASK_DATA_SECTION(THREAD_ALIGN)
363
364 .data..page_aligned : AT(ADDR(.data..page_aligned) - LOAD_OFFSET) {
365 PAGE_ALIGNED_DATA(PAGE_SIZE)
366 }
367
368 .data..cacheline_aligned : AT(ADDR(.data..cacheline_aligned) - LOAD_OFFSET) {
369 CACHELINE_ALIGNED_DATA(L1_CACHE_BYTES)
370 }
371
372 .data..read_mostly : AT(ADDR(.data..read_mostly) - LOAD_OFFSET) {
373 READ_MOSTLY_DATA(L1_CACHE_BYTES)
374 }
375
376 . = ALIGN(PAGE_SIZE);
377 .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
378 NOSAVE_DATA
379 }
380
381 BUG_TABLE
382
383 . = ALIGN(PAGE_SIZE);
384 _edata = .;
385 PROVIDE32 (edata = .);
386
387/*
388 * And finally the bss
389 */
390
391 BSS_SECTION(0, 0, 0)
392
393 . = ALIGN(PAGE_SIZE);
394 _end = . ;
395 PROVIDE32 (end = .);
396
397 STABS_DEBUG
398 DWARF_DEBUG
399 ELF_DETAILS
400
401 DISCARDS
402 /DISCARD/ : {
403 *(*.EMB.apuinfo)
404 *(.glink .iplt .plt .rela* .comment)
405 *(.gnu.version*)
406 *(.gnu.attributes)
407 *(.eh_frame)
408 }
409}