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ACPI: thinkpad-acpi: update documents for the new location
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / include / asm-generic / vmlinux.lds.h
blobc61fab1dd2f82cbde0df850274a595d4c79aa450
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 #ifdef CONFIG_TRACE_BRANCH_PROFILING
49 #define LIKELY_PROFILE() VMLINUX_SYMBOL(__start_annotated_branch_profile) = .; \
50 *(_ftrace_annotated_branch) \
51 VMLINUX_SYMBOL(__stop_annotated_branch_profile) = .;
52 #else
53 #define LIKELY_PROFILE()
54 #endif
55
56 #ifdef CONFIG_PROFILE_ALL_BRANCHES
57 #define BRANCH_PROFILE() VMLINUX_SYMBOL(__start_branch_profile) = .; \
58 *(_ftrace_branch) \
59 VMLINUX_SYMBOL(__stop_branch_profile) = .;
60 #else
61 #define BRANCH_PROFILE()
62 #endif
63
64 /* .data section */
65 #define DATA_DATA \
66 *(.data) \
67 *(.data.init.refok) \
68 *(.ref.data) \
69 DEV_KEEP(init.data) \
70 DEV_KEEP(exit.data) \
71 CPU_KEEP(init.data) \
72 CPU_KEEP(exit.data) \
73 MEM_KEEP(init.data) \
74 MEM_KEEP(exit.data) \
75 . = ALIGN(8); \
76 VMLINUX_SYMBOL(__start___markers) = .; \
77 *(__markers) \
78 VMLINUX_SYMBOL(__stop___markers) = .; \
79 . = ALIGN(32); \
80 VMLINUX_SYMBOL(__start___tracepoints) = .; \
81 *(__tracepoints) \
82 VMLINUX_SYMBOL(__stop___tracepoints) = .; \
83 LIKELY_PROFILE() \
84 BRANCH_PROFILE()
85
86 #define RO_DATA(align) \
87 . = ALIGN((align)); \
88 .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \
89 VMLINUX_SYMBOL(__start_rodata) = .; \
90 *(.rodata) *(.rodata.*) \
91 *(__vermagic) /* Kernel version magic */ \
92 *(__markers_strings) /* Markers: strings */ \
93 *(__tracepoints_strings)/* Tracepoints: strings */ \
94 } \
95 \
96 .rodata1 : AT(ADDR(.rodata1) - LOAD_OFFSET) { \
97 *(.rodata1) \
98 } \
99 \
100 BUG_TABLE \
101 \
102 /* PCI quirks */ \
103 .pci_fixup : AT(ADDR(.pci_fixup) - LOAD_OFFSET) { \
104 VMLINUX_SYMBOL(__start_pci_fixups_early) = .; \
105 *(.pci_fixup_early) \
106 VMLINUX_SYMBOL(__end_pci_fixups_early) = .; \
107 VMLINUX_SYMBOL(__start_pci_fixups_header) = .; \
108 *(.pci_fixup_header) \
109 VMLINUX_SYMBOL(__end_pci_fixups_header) = .; \
110 VMLINUX_SYMBOL(__start_pci_fixups_final) = .; \
111 *(.pci_fixup_final) \
112 VMLINUX_SYMBOL(__end_pci_fixups_final) = .; \
113 VMLINUX_SYMBOL(__start_pci_fixups_enable) = .; \
114 *(.pci_fixup_enable) \
115 VMLINUX_SYMBOL(__end_pci_fixups_enable) = .; \
116 VMLINUX_SYMBOL(__start_pci_fixups_resume) = .; \
117 *(.pci_fixup_resume) \
118 VMLINUX_SYMBOL(__end_pci_fixups_resume) = .; \
119 VMLINUX_SYMBOL(__start_pci_fixups_resume_early) = .; \
120 *(.pci_fixup_resume_early) \
121 VMLINUX_SYMBOL(__end_pci_fixups_resume_early) = .; \
122 VMLINUX_SYMBOL(__start_pci_fixups_suspend) = .; \
123 *(.pci_fixup_suspend) \
124 VMLINUX_SYMBOL(__end_pci_fixups_suspend) = .; \
125 } \
126 \
127 /* Built-in firmware blobs */ \
128 .builtin_fw : AT(ADDR(.builtin_fw) - LOAD_OFFSET) { \
129 VMLINUX_SYMBOL(__start_builtin_fw) = .; \
130 *(.builtin_fw) \
131 VMLINUX_SYMBOL(__end_builtin_fw) = .; \
132 } \
133 \
134 /* RapidIO route ops */ \
135 .rio_route : AT(ADDR(.rio_route) - LOAD_OFFSET) { \
136 VMLINUX_SYMBOL(__start_rio_route_ops) = .; \
137 *(.rio_route_ops) \
138 VMLINUX_SYMBOL(__end_rio_route_ops) = .; \
139 } \
140 \
141 TRACEDATA \
142 \
143 /* Kernel symbol table: Normal symbols */ \
144 __ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \
145 VMLINUX_SYMBOL(__start___ksymtab) = .; \
146 *(__ksymtab) \
147 VMLINUX_SYMBOL(__stop___ksymtab) = .; \
148 } \
149 \
150 /* Kernel symbol table: GPL-only symbols */ \
151 __ksymtab_gpl : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) { \
152 VMLINUX_SYMBOL(__start___ksymtab_gpl) = .; \
153 *(__ksymtab_gpl) \
154 VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .; \
155 } \
156 \
157 /* Kernel symbol table: Normal unused symbols */ \
158 __ksymtab_unused : AT(ADDR(__ksymtab_unused) - LOAD_OFFSET) { \
159 VMLINUX_SYMBOL(__start___ksymtab_unused) = .; \
160 *(__ksymtab_unused) \
161 VMLINUX_SYMBOL(__stop___ksymtab_unused) = .; \
162 } \
163 \
164 /* Kernel symbol table: GPL-only unused symbols */ \
165 __ksymtab_unused_gpl : AT(ADDR(__ksymtab_unused_gpl) - LOAD_OFFSET) { \
166 VMLINUX_SYMBOL(__start___ksymtab_unused_gpl) = .; \
167 *(__ksymtab_unused_gpl) \
168 VMLINUX_SYMBOL(__stop___ksymtab_unused_gpl) = .; \
169 } \
170 \
171 /* Kernel symbol table: GPL-future-only symbols */ \
172 __ksymtab_gpl_future : AT(ADDR(__ksymtab_gpl_future) - LOAD_OFFSET) { \
173 VMLINUX_SYMBOL(__start___ksymtab_gpl_future) = .; \
174 *(__ksymtab_gpl_future) \
175 VMLINUX_SYMBOL(__stop___ksymtab_gpl_future) = .; \
176 } \
177 \
178 /* Kernel symbol table: Normal symbols */ \
179 __kcrctab : AT(ADDR(__kcrctab) - LOAD_OFFSET) { \
180 VMLINUX_SYMBOL(__start___kcrctab) = .; \
181 *(__kcrctab) \
182 VMLINUX_SYMBOL(__stop___kcrctab) = .; \
183 } \
184 \
185 /* Kernel symbol table: GPL-only symbols */ \
186 __kcrctab_gpl : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) { \
187 VMLINUX_SYMBOL(__start___kcrctab_gpl) = .; \
188 *(__kcrctab_gpl) \
189 VMLINUX_SYMBOL(__stop___kcrctab_gpl) = .; \
190 } \
191 \
192 /* Kernel symbol table: Normal unused symbols */ \
193 __kcrctab_unused : AT(ADDR(__kcrctab_unused) - LOAD_OFFSET) { \
194 VMLINUX_SYMBOL(__start___kcrctab_unused) = .; \
195 *(__kcrctab_unused) \
196 VMLINUX_SYMBOL(__stop___kcrctab_unused) = .; \
197 } \
198 \
199 /* Kernel symbol table: GPL-only unused symbols */ \
200 __kcrctab_unused_gpl : AT(ADDR(__kcrctab_unused_gpl) - LOAD_OFFSET) { \
201 VMLINUX_SYMBOL(__start___kcrctab_unused_gpl) = .; \
202 *(__kcrctab_unused_gpl) \
203 VMLINUX_SYMBOL(__stop___kcrctab_unused_gpl) = .; \
204 } \
205 \
206 /* Kernel symbol table: GPL-future-only symbols */ \
207 __kcrctab_gpl_future : AT(ADDR(__kcrctab_gpl_future) - LOAD_OFFSET) { \
208 VMLINUX_SYMBOL(__start___kcrctab_gpl_future) = .; \
209 *(__kcrctab_gpl_future) \
210 VMLINUX_SYMBOL(__stop___kcrctab_gpl_future) = .; \
211 } \
212 \
213 /* Kernel symbol table: strings */ \
214 __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \
215 *(__ksymtab_strings) \
216 } \
217 \
218 /* __*init sections */ \
219 __init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) { \
220 *(.ref.rodata) \
221 MCOUNT_REC() \
222 DEV_KEEP(init.rodata) \
223 DEV_KEEP(exit.rodata) \
224 CPU_KEEP(init.rodata) \
225 CPU_KEEP(exit.rodata) \
226 MEM_KEEP(init.rodata) \
227 MEM_KEEP(exit.rodata) \
228 } \
229 \
230 /* Built-in module parameters. */ \
231 __param : AT(ADDR(__param) - LOAD_OFFSET) { \
232 VMLINUX_SYMBOL(__start___param) = .; \
233 *(__param) \
234 VMLINUX_SYMBOL(__stop___param) = .; \
235 . = ALIGN((align)); \
236 VMLINUX_SYMBOL(__end_rodata) = .; \
237 } \
238 . = ALIGN((align));
239
240 /* RODATA provided for backward compatibility.
241 * All archs are supposed to use RO_DATA() */
242 #define RODATA RO_DATA(4096)
243
244 #define SECURITY_INIT \
245 .security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
246 VMLINUX_SYMBOL(__security_initcall_start) = .; \
247 *(.security_initcall.init) \
248 VMLINUX_SYMBOL(__security_initcall_end) = .; \
249 }
250
251 /* .text section. Map to function alignment to avoid address changes
252 * during second ld run in second ld pass when generating System.map */
253 #define TEXT_TEXT \
254 ALIGN_FUNCTION(); \
255 *(.text.hot) \
256 *(.text) \
257 *(.ref.text) \
258 *(.text.init.refok) \
259 *(.exit.text.refok) \
260 DEV_KEEP(init.text) \
261 DEV_KEEP(exit.text) \
262 CPU_KEEP(init.text) \
263 CPU_KEEP(exit.text) \
264 MEM_KEEP(init.text) \
265 MEM_KEEP(exit.text) \
266 *(.text.unlikely)
267
268
269 /* sched.text is aling to function alignment to secure we have same
270 * address even at second ld pass when generating System.map */
271 #define SCHED_TEXT \
272 ALIGN_FUNCTION(); \
273 VMLINUX_SYMBOL(__sched_text_start) = .; \
274 *(.sched.text) \
275 VMLINUX_SYMBOL(__sched_text_end) = .;
276
277 /* spinlock.text is aling to function alignment to secure we have same
278 * address even at second ld pass when generating System.map */
279 #define LOCK_TEXT \
280 ALIGN_FUNCTION(); \
281 VMLINUX_SYMBOL(__lock_text_start) = .; \
282 *(.spinlock.text) \
283 VMLINUX_SYMBOL(__lock_text_end) = .;
284
285 #define KPROBES_TEXT \
286 ALIGN_FUNCTION(); \
287 VMLINUX_SYMBOL(__kprobes_text_start) = .; \
288 *(.kprobes.text) \
289 VMLINUX_SYMBOL(__kprobes_text_end) = .;
290
291 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
292 #define IRQENTRY_TEXT \
293 ALIGN_FUNCTION(); \
294 VMLINUX_SYMBOL(__irqentry_text_start) = .; \
295 *(.irqentry.text) \
296 VMLINUX_SYMBOL(__irqentry_text_end) = .;
297 #else
298 #define IRQENTRY_TEXT
299 #endif
300
301 /* Section used for early init (in .S files) */
302 #define HEAD_TEXT *(.head.text)
303
304 /* init and exit section handling */
305 #define INIT_DATA \
306 *(.init.data) \
307 DEV_DISCARD(init.data) \
308 DEV_DISCARD(init.rodata) \
309 CPU_DISCARD(init.data) \
310 CPU_DISCARD(init.rodata) \
311 MEM_DISCARD(init.data) \
312 MEM_DISCARD(init.rodata) \
313 /* implement dynamic printk debug */ \
314 VMLINUX_SYMBOL(__start___verbose_strings) = .; \
315 *(__verbose_strings) \
316 VMLINUX_SYMBOL(__stop___verbose_strings) = .; \
317 . = ALIGN(8); \
318 VMLINUX_SYMBOL(__start___verbose) = .; \
319 *(__verbose) \
320 VMLINUX_SYMBOL(__stop___verbose) = .;
321
322 #define INIT_TEXT \
323 *(.init.text) \
324 DEV_DISCARD(init.text) \
325 CPU_DISCARD(init.text) \
326 MEM_DISCARD(init.text)
327
328 #define EXIT_DATA \
329 *(.exit.data) \
330 DEV_DISCARD(exit.data) \
331 DEV_DISCARD(exit.rodata) \
332 CPU_DISCARD(exit.data) \
333 CPU_DISCARD(exit.rodata) \
334 MEM_DISCARD(exit.data) \
335 MEM_DISCARD(exit.rodata)
336
337 #define EXIT_TEXT \
338 *(.exit.text) \
339 DEV_DISCARD(exit.text) \
340 CPU_DISCARD(exit.text) \
341 MEM_DISCARD(exit.text)
342
343 /* DWARF debug sections.
344 Symbols in the DWARF debugging sections are relative to
345 the beginning of the section so we begin them at 0. */
346 #define DWARF_DEBUG \
347 /* DWARF 1 */ \
348 .debug 0 : { *(.debug) } \
349 .line 0 : { *(.line) } \
350 /* GNU DWARF 1 extensions */ \
351 .debug_srcinfo 0 : { *(.debug_srcinfo) } \
352 .debug_sfnames 0 : { *(.debug_sfnames) } \
353 /* DWARF 1.1 and DWARF 2 */ \
354 .debug_aranges 0 : { *(.debug_aranges) } \
355 .debug_pubnames 0 : { *(.debug_pubnames) } \
356 /* DWARF 2 */ \
357 .debug_info 0 : { *(.debug_info \
358 .gnu.linkonce.wi.*) } \
359 .debug_abbrev 0 : { *(.debug_abbrev) } \
360 .debug_line 0 : { *(.debug_line) } \
361 .debug_frame 0 : { *(.debug_frame) } \
362 .debug_str 0 : { *(.debug_str) } \
363 .debug_loc 0 : { *(.debug_loc) } \
364 .debug_macinfo 0 : { *(.debug_macinfo) } \
365 /* SGI/MIPS DWARF 2 extensions */ \
366 .debug_weaknames 0 : { *(.debug_weaknames) } \
367 .debug_funcnames 0 : { *(.debug_funcnames) } \
368 .debug_typenames 0 : { *(.debug_typenames) } \
369 .debug_varnames 0 : { *(.debug_varnames) } \
370
371 /* Stabs debugging sections. */
372 #define STABS_DEBUG \
373 .stab 0 : { *(.stab) } \
374 .stabstr 0 : { *(.stabstr) } \
375 .stab.excl 0 : { *(.stab.excl) } \
376 .stab.exclstr 0 : { *(.stab.exclstr) } \
377 .stab.index 0 : { *(.stab.index) } \
378 .stab.indexstr 0 : { *(.stab.indexstr) } \
379 .comment 0 : { *(.comment) }
380
381 #ifdef CONFIG_GENERIC_BUG
382 #define BUG_TABLE \
383 . = ALIGN(8); \
384 __bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) { \
385 VMLINUX_SYMBOL(__start___bug_table) = .; \
386 *(__bug_table) \
387 VMLINUX_SYMBOL(__stop___bug_table) = .; \
388 }
389 #else
390 #define BUG_TABLE
391 #endif
392
393 #ifdef CONFIG_PM_TRACE
394 #define TRACEDATA \
395 . = ALIGN(4); \
396 .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) { \
397 VMLINUX_SYMBOL(__tracedata_start) = .; \
398 *(.tracedata) \
399 VMLINUX_SYMBOL(__tracedata_end) = .; \
400 }
401 #else
402 #define TRACEDATA
403 #endif
404
405 #define NOTES \
406 .notes : AT(ADDR(.notes) - LOAD_OFFSET) { \
407 VMLINUX_SYMBOL(__start_notes) = .; \
408 *(.note.*) \
409 VMLINUX_SYMBOL(__stop_notes) = .; \
410 }
411
412 #define INITCALLS \
413 *(.initcallearly.init) \
414 VMLINUX_SYMBOL(__early_initcall_end) = .; \
415 *(.initcall0.init) \
416 *(.initcall0s.init) \
417 *(.initcall1.init) \
418 *(.initcall1s.init) \
419 *(.initcall2.init) \
420 *(.initcall2s.init) \
421 *(.initcall3.init) \
422 *(.initcall3s.init) \
423 *(.initcall4.init) \
424 *(.initcall4s.init) \
425 *(.initcall5.init) \
426 *(.initcall5s.init) \
427 *(.initcallrootfs.init) \
428 *(.initcall6.init) \
429 *(.initcall6s.init) \
430 *(.initcall7.init) \
431 *(.initcall7s.init)
432
433 #define PERCPU(align) \
434 . = ALIGN(align); \
435 VMLINUX_SYMBOL(__per_cpu_start) = .; \
436 .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { \
437 *(.data.percpu.page_aligned) \
438 *(.data.percpu) \
439 *(.data.percpu.shared_aligned) \
440 } \
441 VMLINUX_SYMBOL(__per_cpu_end) = .;
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