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1 | #ifndef LOAD_OFFSET | |
2 | #define LOAD_OFFSET 0 | |
3 | #endif | |
4 | ||
5 | #ifndef VMLINUX_SYMBOL | |
6 | #define VMLINUX_SYMBOL(_sym_) _sym_ | |
7 | #endif | |
8 | ||
9 | /* Align . to a 8 byte boundary equals to maximum function alignment. */ | |
10 | #define ALIGN_FUNCTION() . = ALIGN(8) | |
11 | ||
12 | /* The actual configuration determine if the init/exit sections | |
13 | * are handled as text/data or they can be discarded (which | |
14 | * often happens at runtime) | |
15 | */ | |
16 | #ifdef CONFIG_HOTPLUG | |
17 | #define DEV_KEEP(sec) *(.dev##sec) | |
18 | #define DEV_DISCARD(sec) | |
19 | #else | |
20 | #define DEV_KEEP(sec) | |
21 | #define DEV_DISCARD(sec) *(.dev##sec) | |
22 | #endif | |
23 | ||
24 | #ifdef CONFIG_HOTPLUG_CPU | |
25 | #define CPU_KEEP(sec) *(.cpu##sec) | |
26 | #define CPU_DISCARD(sec) | |
27 | #else | |
28 | #define CPU_KEEP(sec) | |
29 | #define CPU_DISCARD(sec) *(.cpu##sec) | |
30 | #endif | |
31 | ||
32 | #if defined(CONFIG_MEMORY_HOTPLUG) | |
33 | #define MEM_KEEP(sec) *(.mem##sec) | |
34 | #define MEM_DISCARD(sec) | |
35 | #else | |
36 | #define MEM_KEEP(sec) | |
37 | #define MEM_DISCARD(sec) *(.mem##sec) | |
38 | #endif | |
39 | ||
40 | #ifdef CONFIG_FTRACE_MCOUNT_RECORD | |
41 | #define MCOUNT_REC() VMLINUX_SYMBOL(__start_mcount_loc) = .; \ | |
42 | *(__mcount_loc) \ | |
43 | VMLINUX_SYMBOL(__stop_mcount_loc) = .; | |
44 | #else | |
45 | #define MCOUNT_REC() | |
46 | #endif | |
47 | ||
48 | /* .data section */ | |
49 | #define DATA_DATA \ | |
50 | *(.data) \ | |
51 | *(.data.init.refok) \ | |
52 | *(.ref.data) \ | |
53 | DEV_KEEP(init.data) \ | |
54 | DEV_KEEP(exit.data) \ | |
55 | CPU_KEEP(init.data) \ | |
56 | CPU_KEEP(exit.data) \ | |
57 | MEM_KEEP(init.data) \ | |
58 | MEM_KEEP(exit.data) \ | |
59 | . = ALIGN(8); \ | |
60 | VMLINUX_SYMBOL(__start___markers) = .; \ | |
61 | *(__markers) \ | |
62 | VMLINUX_SYMBOL(__stop___markers) = .; \ | |
63 | VMLINUX_SYMBOL(__start___tracepoints) = .; \ | |
64 | *(__tracepoints) \ | |
65 | VMLINUX_SYMBOL(__stop___tracepoints) = .; | |
66 | ||
67 | #define RO_DATA(align) \ | |
68 | . = ALIGN((align)); \ | |
69 | .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \ | |
70 | VMLINUX_SYMBOL(__start_rodata) = .; \ | |
71 | *(.rodata) *(.rodata.*) \ | |
72 | *(__vermagic) /* Kernel version magic */ \ | |
73 | *(__markers_strings) /* Markers: strings */ \ | |
74 | *(__tracepoints_strings)/* Tracepoints: strings */ \ | |
75 | } \ | |
76 | \ | |
77 | .rodata1 : AT(ADDR(.rodata1) - LOAD_OFFSET) { \ | |
78 | *(.rodata1) \ | |
79 | } \ | |
80 | \ | |
81 | BUG_TABLE \ | |
82 | \ | |
83 | /* PCI quirks */ \ | |
84 | .pci_fixup : AT(ADDR(.pci_fixup) - LOAD_OFFSET) { \ | |
85 | VMLINUX_SYMBOL(__start_pci_fixups_early) = .; \ | |
86 | *(.pci_fixup_early) \ | |
87 | VMLINUX_SYMBOL(__end_pci_fixups_early) = .; \ | |
88 | VMLINUX_SYMBOL(__start_pci_fixups_header) = .; \ | |
89 | *(.pci_fixup_header) \ | |
90 | VMLINUX_SYMBOL(__end_pci_fixups_header) = .; \ | |
91 | VMLINUX_SYMBOL(__start_pci_fixups_final) = .; \ | |
92 | *(.pci_fixup_final) \ | |
93 | VMLINUX_SYMBOL(__end_pci_fixups_final) = .; \ | |
94 | VMLINUX_SYMBOL(__start_pci_fixups_enable) = .; \ | |
95 | *(.pci_fixup_enable) \ | |
96 | VMLINUX_SYMBOL(__end_pci_fixups_enable) = .; \ | |
97 | VMLINUX_SYMBOL(__start_pci_fixups_resume) = .; \ | |
98 | *(.pci_fixup_resume) \ | |
99 | VMLINUX_SYMBOL(__end_pci_fixups_resume) = .; \ | |
100 | VMLINUX_SYMBOL(__start_pci_fixups_resume_early) = .; \ | |
101 | *(.pci_fixup_resume_early) \ | |
102 | VMLINUX_SYMBOL(__end_pci_fixups_resume_early) = .; \ | |
103 | VMLINUX_SYMBOL(__start_pci_fixups_suspend) = .; \ | |
104 | *(.pci_fixup_suspend) \ | |
105 | VMLINUX_SYMBOL(__end_pci_fixups_suspend) = .; \ | |
106 | } \ | |
107 | \ | |
108 | /* Built-in firmware blobs */ \ | |
109 | .builtin_fw : AT(ADDR(.builtin_fw) - LOAD_OFFSET) { \ | |
110 | VMLINUX_SYMBOL(__start_builtin_fw) = .; \ | |
111 | *(.builtin_fw) \ | |
112 | VMLINUX_SYMBOL(__end_builtin_fw) = .; \ | |
113 | } \ | |
114 | \ | |
115 | /* RapidIO route ops */ \ | |
116 | .rio_route : AT(ADDR(.rio_route) - LOAD_OFFSET) { \ | |
117 | VMLINUX_SYMBOL(__start_rio_route_ops) = .; \ | |
118 | *(.rio_route_ops) \ | |
119 | VMLINUX_SYMBOL(__end_rio_route_ops) = .; \ | |
120 | } \ | |
121 | \ | |
122 | TRACEDATA \ | |
123 | \ | |
124 | /* Kernel symbol table: Normal symbols */ \ | |
125 | __ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \ | |
126 | VMLINUX_SYMBOL(__start___ksymtab) = .; \ | |
127 | *(__ksymtab) \ | |
128 | VMLINUX_SYMBOL(__stop___ksymtab) = .; \ | |
129 | } \ | |
130 | \ | |
131 | /* Kernel symbol table: GPL-only symbols */ \ | |
132 | __ksymtab_gpl : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) { \ | |
133 | VMLINUX_SYMBOL(__start___ksymtab_gpl) = .; \ | |
134 | *(__ksymtab_gpl) \ | |
135 | VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .; \ | |
136 | } \ | |
137 | \ | |
138 | /* Kernel symbol table: Normal unused symbols */ \ | |
139 | __ksymtab_unused : AT(ADDR(__ksymtab_unused) - LOAD_OFFSET) { \ | |
140 | VMLINUX_SYMBOL(__start___ksymtab_unused) = .; \ | |
141 | *(__ksymtab_unused) \ | |
142 | VMLINUX_SYMBOL(__stop___ksymtab_unused) = .; \ | |
143 | } \ | |
144 | \ | |
145 | /* Kernel symbol table: GPL-only unused symbols */ \ | |
146 | __ksymtab_unused_gpl : AT(ADDR(__ksymtab_unused_gpl) - LOAD_OFFSET) { \ | |
147 | VMLINUX_SYMBOL(__start___ksymtab_unused_gpl) = .; \ | |
148 | *(__ksymtab_unused_gpl) \ | |
149 | VMLINUX_SYMBOL(__stop___ksymtab_unused_gpl) = .; \ | |
150 | } \ | |
151 | \ | |
152 | /* Kernel symbol table: GPL-future-only symbols */ \ | |
153 | __ksymtab_gpl_future : AT(ADDR(__ksymtab_gpl_future) - LOAD_OFFSET) { \ | |
154 | VMLINUX_SYMBOL(__start___ksymtab_gpl_future) = .; \ | |
155 | *(__ksymtab_gpl_future) \ | |
156 | VMLINUX_SYMBOL(__stop___ksymtab_gpl_future) = .; \ | |
157 | } \ | |
158 | \ | |
159 | /* Kernel symbol table: Normal symbols */ \ | |
160 | __kcrctab : AT(ADDR(__kcrctab) - LOAD_OFFSET) { \ | |
161 | VMLINUX_SYMBOL(__start___kcrctab) = .; \ | |
162 | *(__kcrctab) \ | |
163 | VMLINUX_SYMBOL(__stop___kcrctab) = .; \ | |
164 | } \ | |
165 | \ | |
166 | /* Kernel symbol table: GPL-only symbols */ \ | |
167 | __kcrctab_gpl : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) { \ | |
168 | VMLINUX_SYMBOL(__start___kcrctab_gpl) = .; \ | |
169 | *(__kcrctab_gpl) \ | |
170 | VMLINUX_SYMBOL(__stop___kcrctab_gpl) = .; \ | |
171 | } \ | |
172 | \ | |
173 | /* Kernel symbol table: Normal unused symbols */ \ | |
174 | __kcrctab_unused : AT(ADDR(__kcrctab_unused) - LOAD_OFFSET) { \ | |
175 | VMLINUX_SYMBOL(__start___kcrctab_unused) = .; \ | |
176 | *(__kcrctab_unused) \ | |
177 | VMLINUX_SYMBOL(__stop___kcrctab_unused) = .; \ | |
178 | } \ | |
179 | \ | |
180 | /* Kernel symbol table: GPL-only unused symbols */ \ | |
181 | __kcrctab_unused_gpl : AT(ADDR(__kcrctab_unused_gpl) - LOAD_OFFSET) { \ | |
182 | VMLINUX_SYMBOL(__start___kcrctab_unused_gpl) = .; \ | |
183 | *(__kcrctab_unused_gpl) \ | |
184 | VMLINUX_SYMBOL(__stop___kcrctab_unused_gpl) = .; \ | |
185 | } \ | |
186 | \ | |
187 | /* Kernel symbol table: GPL-future-only symbols */ \ | |
188 | __kcrctab_gpl_future : AT(ADDR(__kcrctab_gpl_future) - LOAD_OFFSET) { \ | |
189 | VMLINUX_SYMBOL(__start___kcrctab_gpl_future) = .; \ | |
190 | *(__kcrctab_gpl_future) \ | |
191 | VMLINUX_SYMBOL(__stop___kcrctab_gpl_future) = .; \ | |
192 | } \ | |
193 | \ | |
194 | /* Kernel symbol table: strings */ \ | |
195 | __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \ | |
196 | *(__ksymtab_strings) \ | |
197 | } \ | |
198 | \ | |
199 | /* __*init sections */ \ | |
200 | __init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) { \ | |
201 | *(.ref.rodata) \ | |
202 | MCOUNT_REC() \ | |
203 | DEV_KEEP(init.rodata) \ | |
204 | DEV_KEEP(exit.rodata) \ | |
205 | CPU_KEEP(init.rodata) \ | |
206 | CPU_KEEP(exit.rodata) \ | |
207 | MEM_KEEP(init.rodata) \ | |
208 | MEM_KEEP(exit.rodata) \ | |
209 | } \ | |
210 | \ | |
211 | /* Built-in module parameters. */ \ | |
212 | __param : AT(ADDR(__param) - LOAD_OFFSET) { \ | |
213 | VMLINUX_SYMBOL(__start___param) = .; \ | |
214 | *(__param) \ | |
215 | VMLINUX_SYMBOL(__stop___param) = .; \ | |
216 | . = ALIGN((align)); \ | |
217 | VMLINUX_SYMBOL(__end_rodata) = .; \ | |
218 | } \ | |
219 | . = ALIGN((align)); | |
220 | ||
221 | /* RODATA provided for backward compatibility. | |
222 | * All archs are supposed to use RO_DATA() */ | |
223 | #define RODATA RO_DATA(4096) | |
224 | ||
225 | #define SECURITY_INIT \ | |
226 | .security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \ | |
227 | VMLINUX_SYMBOL(__security_initcall_start) = .; \ | |
228 | *(.security_initcall.init) \ | |
229 | VMLINUX_SYMBOL(__security_initcall_end) = .; \ | |
230 | } | |
231 | ||
232 | /* .text section. Map to function alignment to avoid address changes | |
233 | * during second ld run in second ld pass when generating System.map */ | |
234 | #define TEXT_TEXT \ | |
235 | ALIGN_FUNCTION(); \ | |
236 | *(.text.hot) \ | |
237 | *(.text) \ | |
238 | *(.ref.text) \ | |
239 | *(.text.init.refok) \ | |
240 | *(.exit.text.refok) \ | |
241 | DEV_KEEP(init.text) \ | |
242 | DEV_KEEP(exit.text) \ | |
243 | CPU_KEEP(init.text) \ | |
244 | CPU_KEEP(exit.text) \ | |
245 | MEM_KEEP(init.text) \ | |
246 | MEM_KEEP(exit.text) \ | |
247 | *(.text.unlikely) | |
248 | ||
249 | ||
250 | /* sched.text is aling to function alignment to secure we have same | |
251 | * address even at second ld pass when generating System.map */ | |
252 | #define SCHED_TEXT \ | |
253 | ALIGN_FUNCTION(); \ | |
254 | VMLINUX_SYMBOL(__sched_text_start) = .; \ | |
255 | *(.sched.text) \ | |
256 | VMLINUX_SYMBOL(__sched_text_end) = .; | |
257 | ||
258 | /* spinlock.text is aling to function alignment to secure we have same | |
259 | * address even at second ld pass when generating System.map */ | |
260 | #define LOCK_TEXT \ | |
261 | ALIGN_FUNCTION(); \ | |
262 | VMLINUX_SYMBOL(__lock_text_start) = .; \ | |
263 | *(.spinlock.text) \ | |
264 | VMLINUX_SYMBOL(__lock_text_end) = .; | |
265 | ||
266 | #define KPROBES_TEXT \ | |
267 | ALIGN_FUNCTION(); \ | |
268 | VMLINUX_SYMBOL(__kprobes_text_start) = .; \ | |
269 | *(.kprobes.text) \ | |
270 | VMLINUX_SYMBOL(__kprobes_text_end) = .; | |
271 | ||
272 | /* Section used for early init (in .S files) */ | |
273 | #define HEAD_TEXT *(.head.text) | |
274 | ||
275 | /* init and exit section handling */ | |
276 | #define INIT_DATA \ | |
277 | *(.init.data) \ | |
278 | DEV_DISCARD(init.data) \ | |
279 | DEV_DISCARD(init.rodata) \ | |
280 | CPU_DISCARD(init.data) \ | |
281 | CPU_DISCARD(init.rodata) \ | |
282 | MEM_DISCARD(init.data) \ | |
283 | MEM_DISCARD(init.rodata) \ | |
284 | /* implement dynamic printk debug */ \ | |
285 | VMLINUX_SYMBOL(__start___verbose_strings) = .; \ | |
286 | *(__verbose_strings) \ | |
287 | VMLINUX_SYMBOL(__stop___verbose_strings) = .; \ | |
288 | . = ALIGN(8); \ | |
289 | VMLINUX_SYMBOL(__start___verbose) = .; \ | |
290 | *(__verbose) \ | |
291 | VMLINUX_SYMBOL(__stop___verbose) = .; | |
292 | ||
293 | #define INIT_TEXT \ | |
294 | *(.init.text) \ | |
295 | DEV_DISCARD(init.text) \ | |
296 | CPU_DISCARD(init.text) \ | |
297 | MEM_DISCARD(init.text) | |
298 | ||
299 | #define EXIT_DATA \ | |
300 | *(.exit.data) \ | |
301 | DEV_DISCARD(exit.data) \ | |
302 | DEV_DISCARD(exit.rodata) \ | |
303 | CPU_DISCARD(exit.data) \ | |
304 | CPU_DISCARD(exit.rodata) \ | |
305 | MEM_DISCARD(exit.data) \ | |
306 | MEM_DISCARD(exit.rodata) | |
307 | ||
308 | #define EXIT_TEXT \ | |
309 | *(.exit.text) \ | |
310 | DEV_DISCARD(exit.text) \ | |
311 | CPU_DISCARD(exit.text) \ | |
312 | MEM_DISCARD(exit.text) | |
313 | ||
314 | /* DWARF debug sections. | |
315 | Symbols in the DWARF debugging sections are relative to | |
316 | the beginning of the section so we begin them at 0. */ | |
317 | #define DWARF_DEBUG \ | |
318 | /* DWARF 1 */ \ | |
319 | .debug 0 : { *(.debug) } \ | |
320 | .line 0 : { *(.line) } \ | |
321 | /* GNU DWARF 1 extensions */ \ | |
322 | .debug_srcinfo 0 : { *(.debug_srcinfo) } \ | |
323 | .debug_sfnames 0 : { *(.debug_sfnames) } \ | |
324 | /* DWARF 1.1 and DWARF 2 */ \ | |
325 | .debug_aranges 0 : { *(.debug_aranges) } \ | |
326 | .debug_pubnames 0 : { *(.debug_pubnames) } \ | |
327 | /* DWARF 2 */ \ | |
328 | .debug_info 0 : { *(.debug_info \ | |
329 | .gnu.linkonce.wi.*) } \ | |
330 | .debug_abbrev 0 : { *(.debug_abbrev) } \ | |
331 | .debug_line 0 : { *(.debug_line) } \ | |
332 | .debug_frame 0 : { *(.debug_frame) } \ | |
333 | .debug_str 0 : { *(.debug_str) } \ | |
334 | .debug_loc 0 : { *(.debug_loc) } \ | |
335 | .debug_macinfo 0 : { *(.debug_macinfo) } \ | |
336 | /* SGI/MIPS DWARF 2 extensions */ \ | |
337 | .debug_weaknames 0 : { *(.debug_weaknames) } \ | |
338 | .debug_funcnames 0 : { *(.debug_funcnames) } \ | |
339 | .debug_typenames 0 : { *(.debug_typenames) } \ | |
340 | .debug_varnames 0 : { *(.debug_varnames) } \ | |
341 | ||
342 | /* Stabs debugging sections. */ | |
343 | #define STABS_DEBUG \ | |
344 | .stab 0 : { *(.stab) } \ | |
345 | .stabstr 0 : { *(.stabstr) } \ | |
346 | .stab.excl 0 : { *(.stab.excl) } \ | |
347 | .stab.exclstr 0 : { *(.stab.exclstr) } \ | |
348 | .stab.index 0 : { *(.stab.index) } \ | |
349 | .stab.indexstr 0 : { *(.stab.indexstr) } \ | |
350 | .comment 0 : { *(.comment) } | |
351 | ||
352 | #ifdef CONFIG_GENERIC_BUG | |
353 | #define BUG_TABLE \ | |
354 | . = ALIGN(8); \ | |
355 | __bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) { \ | |
356 | VMLINUX_SYMBOL(__start___bug_table) = .; \ | |
357 | *(__bug_table) \ | |
358 | VMLINUX_SYMBOL(__stop___bug_table) = .; \ | |
359 | } | |
360 | #else | |
361 | #define BUG_TABLE | |
362 | #endif | |
363 | ||
364 | #ifdef CONFIG_PM_TRACE | |
365 | #define TRACEDATA \ | |
366 | . = ALIGN(4); \ | |
367 | .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) { \ | |
368 | VMLINUX_SYMBOL(__tracedata_start) = .; \ | |
369 | *(.tracedata) \ | |
370 | VMLINUX_SYMBOL(__tracedata_end) = .; \ | |
371 | } | |
372 | #else | |
373 | #define TRACEDATA | |
374 | #endif | |
375 | ||
376 | #define NOTES \ | |
377 | .notes : AT(ADDR(.notes) - LOAD_OFFSET) { \ | |
378 | VMLINUX_SYMBOL(__start_notes) = .; \ | |
379 | *(.note.*) \ | |
380 | VMLINUX_SYMBOL(__stop_notes) = .; \ | |
381 | } | |
382 | ||
383 | #define INITCALLS \ | |
384 | *(.initcallearly.init) \ | |
385 | VMLINUX_SYMBOL(__early_initcall_end) = .; \ | |
386 | *(.initcall0.init) \ | |
387 | *(.initcall0s.init) \ | |
388 | *(.initcall1.init) \ | |
389 | *(.initcall1s.init) \ | |
390 | *(.initcall2.init) \ | |
391 | *(.initcall2s.init) \ | |
392 | *(.initcall3.init) \ | |
393 | *(.initcall3s.init) \ | |
394 | *(.initcall4.init) \ | |
395 | *(.initcall4s.init) \ | |
396 | *(.initcall5.init) \ | |
397 | *(.initcall5s.init) \ | |
398 | *(.initcallrootfs.init) \ | |
399 | *(.initcall6.init) \ | |
400 | *(.initcall6s.init) \ | |
401 | *(.initcall7.init) \ | |
402 | *(.initcall7s.init) | |
403 | ||
404 | #define PERCPU(align) \ | |
405 | . = ALIGN(align); \ | |
406 | VMLINUX_SYMBOL(__per_cpu_start) = .; \ | |
407 | .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { \ | |
408 | *(.data.percpu.page_aligned) \ | |
409 | *(.data.percpu) \ | |
410 | *(.data.percpu.shared_aligned) \ | |
411 | } \ | |
412 | VMLINUX_SYMBOL(__per_cpu_end) = .; |