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dynamic debug: combine dprintk and dynamic printk
[deliverable/linux.git] / include / asm-generic / vmlinux.lds.h
CommitLineData
1da177e4
LT		 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
6d30e3a8
SR		 9/* Align . to a 8 byte boundary equals to maximum function alignment. */
10#define ALIGN_FUNCTION() . = ALIGN(8)
11
eb8f6890
SR		 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
1a3fb6d4 32#if defined(CONFIG_MEMORY_HOTPLUG)
eb8f6890
SR		 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
8da3821b
SR		 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
eb8f6890 47
2ed84eeb 48#ifdef CONFIG_TRACE_BRANCH_PROFILING
45b79749
SR		 49#define LIKELY_PROFILE() VMLINUX_SYMBOL(__start_annotated_branch_profile) = .; \
50 *(_ftrace_annotated_branch) \
51 VMLINUX_SYMBOL(__stop_annotated_branch_profile) = .;
1f0d69a9
SR		 52#else
53#define LIKELY_PROFILE()
54#endif
55
2bcd521a
SR		 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
ca967258
SR		 64/* .data section */
65#define DATA_DATA \
0e0d314e 66 *(.data) \
8256e47c 67 *(.data.init.refok) \
312b1485 68 *(.ref.data) \
eb8f6890
SR		 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) \
8256e47c
MD		 75 . = ALIGN(8); \
76 VMLINUX_SYMBOL(__start___markers) = .; \
77 *(__markers) \
97e1c18e 78 VMLINUX_SYMBOL(__stop___markers) = .; \
7e066fb8 79 . = ALIGN(32); \
97e1c18e
MD		 80 VMLINUX_SYMBOL(__start___tracepoints) = .; \
81 *(__tracepoints) \
1f0d69a9 82 VMLINUX_SYMBOL(__stop___tracepoints) = .; \
e9d376f0
JB		 83 /* implement dynamic printk debug */ \
84 . = ALIGN(8); \
85 VMLINUX_SYMBOL(__start___verbose) = .; \
86 *(__verbose) \
87 VMLINUX_SYMBOL(__stop___verbose) = .; \
2bcd521a
SR		 88 LIKELY_PROFILE() \
89 BRANCH_PROFILE()
ca967258 90
4096b46f
SR		 91#define RO_DATA(align) \
92 . = ALIGN((align)); \
1da177e4 93 .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \
6569580d 94 VMLINUX_SYMBOL(__start_rodata) = .; \
1da177e4
LT		 95 *(.rodata) *(.rodata.*) \
96 *(__vermagic) /* Kernel version magic */ \
8256e47c 97 *(__markers_strings) /* Markers: strings */ \
97e1c18e 98 *(__tracepoints_strings)/* Tracepoints: strings */ \
1da177e4
LT		 99 } \
100 \
101 .rodata1 : AT(ADDR(.rodata1) - LOAD_OFFSET) { \
102 *(.rodata1) \
103 } \
104 \
6360b1fb
JB		 105 BUG_TABLE \
106 \
1da177e4
LT		 107 /* PCI quirks */ \
108 .pci_fixup : AT(ADDR(.pci_fixup) - LOAD_OFFSET) { \
109 VMLINUX_SYMBOL(__start_pci_fixups_early) = .; \
110 *(.pci_fixup_early) \
111 VMLINUX_SYMBOL(__end_pci_fixups_early) = .; \
112 VMLINUX_SYMBOL(__start_pci_fixups_header) = .; \
113 *(.pci_fixup_header) \
114 VMLINUX_SYMBOL(__end_pci_fixups_header) = .; \
115 VMLINUX_SYMBOL(__start_pci_fixups_final) = .; \
116 *(.pci_fixup_final) \
117 VMLINUX_SYMBOL(__end_pci_fixups_final) = .; \
118 VMLINUX_SYMBOL(__start_pci_fixups_enable) = .; \
119 *(.pci_fixup_enable) \
120 VMLINUX_SYMBOL(__end_pci_fixups_enable) = .; \
1597cacb
AC		 121 VMLINUX_SYMBOL(__start_pci_fixups_resume) = .; \
122 *(.pci_fixup_resume) \
123 VMLINUX_SYMBOL(__end_pci_fixups_resume) = .; \
e1a2a51e
RW		 124 VMLINUX_SYMBOL(__start_pci_fixups_resume_early) = .; \
125 *(.pci_fixup_resume_early) \
126 VMLINUX_SYMBOL(__end_pci_fixups_resume_early) = .; \
127 VMLINUX_SYMBOL(__start_pci_fixups_suspend) = .; \
128 *(.pci_fixup_suspend) \
129 VMLINUX_SYMBOL(__end_pci_fixups_suspend) = .; \
1da177e4
LT		 130 } \
131 \
5658c769
DW		 132 /* Built-in firmware blobs */ \
133 .builtin_fw : AT(ADDR(.builtin_fw) - LOAD_OFFSET) { \
134 VMLINUX_SYMBOL(__start_builtin_fw) = .; \
135 *(.builtin_fw) \
136 VMLINUX_SYMBOL(__end_builtin_fw) = .; \
137 } \
138 \
394b701c
MP		 139 /* RapidIO route ops */ \
140 .rio_route : AT(ADDR(.rio_route) - LOAD_OFFSET) { \
141 VMLINUX_SYMBOL(__start_rio_route_ops) = .; \
142 *(.rio_route_ops) \
143 VMLINUX_SYMBOL(__end_rio_route_ops) = .; \
144 } \
145 \
63687a52
JB		 146 TRACEDATA \
147 \
1da177e4
LT		 148 /* Kernel symbol table: Normal symbols */ \
149 __ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \
150 VMLINUX_SYMBOL(__start___ksymtab) = .; \
151 *(__ksymtab) \
152 VMLINUX_SYMBOL(__stop___ksymtab) = .; \
153 } \
154 \
155 /* Kernel symbol table: GPL-only symbols */ \
156 __ksymtab_gpl : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) { \
157 VMLINUX_SYMBOL(__start___ksymtab_gpl) = .; \
158 *(__ksymtab_gpl) \
159 VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .; \
160 } \
161 \
f71d20e9
AV		 162 /* Kernel symbol table: Normal unused symbols */ \
163 __ksymtab_unused : AT(ADDR(__ksymtab_unused) - LOAD_OFFSET) { \
164 VMLINUX_SYMBOL(__start___ksymtab_unused) = .; \
165 *(__ksymtab_unused) \
166 VMLINUX_SYMBOL(__stop___ksymtab_unused) = .; \
167 } \
168 \
169 /* Kernel symbol table: GPL-only unused symbols */ \
170 __ksymtab_unused_gpl : AT(ADDR(__ksymtab_unused_gpl) - LOAD_OFFSET) { \
171 VMLINUX_SYMBOL(__start___ksymtab_unused_gpl) = .; \
172 *(__ksymtab_unused_gpl) \
173 VMLINUX_SYMBOL(__stop___ksymtab_unused_gpl) = .; \
174 } \
175 \
9f28bb7e
GKH		 176 /* Kernel symbol table: GPL-future-only symbols */ \
177 __ksymtab_gpl_future : AT(ADDR(__ksymtab_gpl_future) - LOAD_OFFSET) { \
178 VMLINUX_SYMBOL(__start___ksymtab_gpl_future) = .; \
179 *(__ksymtab_gpl_future) \
180 VMLINUX_SYMBOL(__stop___ksymtab_gpl_future) = .; \
181 } \
182 \
1da177e4
LT		 183 /* Kernel symbol table: Normal symbols */ \
184 __kcrctab : AT(ADDR(__kcrctab) - LOAD_OFFSET) { \
185 VMLINUX_SYMBOL(__start___kcrctab) = .; \
186 *(__kcrctab) \
187 VMLINUX_SYMBOL(__stop___kcrctab) = .; \
188 } \
189 \
190 /* Kernel symbol table: GPL-only symbols */ \
191 __kcrctab_gpl : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) { \
192 VMLINUX_SYMBOL(__start___kcrctab_gpl) = .; \
193 *(__kcrctab_gpl) \
194 VMLINUX_SYMBOL(__stop___kcrctab_gpl) = .; \
195 } \
196 \
f71d20e9
AV		 197 /* Kernel symbol table: Normal unused symbols */ \
198 __kcrctab_unused : AT(ADDR(__kcrctab_unused) - LOAD_OFFSET) { \
199 VMLINUX_SYMBOL(__start___kcrctab_unused) = .; \
200 *(__kcrctab_unused) \
201 VMLINUX_SYMBOL(__stop___kcrctab_unused) = .; \
202 } \
203 \
204 /* Kernel symbol table: GPL-only unused symbols */ \
205 __kcrctab_unused_gpl : AT(ADDR(__kcrctab_unused_gpl) - LOAD_OFFSET) { \
206 VMLINUX_SYMBOL(__start___kcrctab_unused_gpl) = .; \
207 *(__kcrctab_unused_gpl) \
208 VMLINUX_SYMBOL(__stop___kcrctab_unused_gpl) = .; \
209 } \
210 \
9f28bb7e
GKH		 211 /* Kernel symbol table: GPL-future-only symbols */ \
212 __kcrctab_gpl_future : AT(ADDR(__kcrctab_gpl_future) - LOAD_OFFSET) { \
213 VMLINUX_SYMBOL(__start___kcrctab_gpl_future) = .; \
214 *(__kcrctab_gpl_future) \
215 VMLINUX_SYMBOL(__stop___kcrctab_gpl_future) = .; \
216 } \
217 \
1da177e4
LT		 218 /* Kernel symbol table: strings */ \
219 __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \
220 *(__ksymtab_strings) \
221 } \
222 \
eb8f6890
SR		 223 /* __*init sections */ \
224 __init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) { \
312b1485 225 *(.ref.rodata) \
8da3821b 226 MCOUNT_REC() \
eb8f6890
SR		 227 DEV_KEEP(init.rodata) \
228 DEV_KEEP(exit.rodata) \
229 CPU_KEEP(init.rodata) \
230 CPU_KEEP(exit.rodata) \
231 MEM_KEEP(init.rodata) \
232 MEM_KEEP(exit.rodata) \
233 } \
234 \
1da177e4
LT		 235 /* Built-in module parameters. */ \
236 __param : AT(ADDR(__param) - LOAD_OFFSET) { \
237 VMLINUX_SYMBOL(__start___param) = .; \
238 *(__param) \
239 VMLINUX_SYMBOL(__stop___param) = .; \
edeed305 240 . = ALIGN((align)); \
6569580d 241 VMLINUX_SYMBOL(__end_rodata) = .; \
7583ddfd 242 } \
4096b46f
SR		 243 . = ALIGN((align));
244
245/* RODATA provided for backward compatibility.
246 * All archs are supposed to use RO_DATA() */
247#define RODATA RO_DATA(4096)
1da177e4
LT		 248
249#define SECURITY_INIT \
60bad7fa 250 .security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
1da177e4
LT		 251 VMLINUX_SYMBOL(__security_initcall_start) = .; \
252 *(.security_initcall.init) \
253 VMLINUX_SYMBOL(__security_initcall_end) = .; \
254 }
255
7664709b
SR		 256/* .text section. Map to function alignment to avoid address changes
257 * during second ld run in second ld pass when generating System.map */
258#define TEXT_TEXT \
259 ALIGN_FUNCTION(); \
fb5e2b37 260 *(.text.hot) \
0e0d314e 261 *(.text) \
312b1485 262 *(.ref.text) \
23ec23c2 263 *(.text.init.refok) \
eb8f6890
SR		 264 *(.exit.text.refok) \
265 DEV_KEEP(init.text) \
266 DEV_KEEP(exit.text) \
267 CPU_KEEP(init.text) \
268 CPU_KEEP(exit.text) \
269 MEM_KEEP(init.text) \
fb5e2b37
JB		 270 MEM_KEEP(exit.text) \
271 *(.text.unlikely)
eb8f6890 272
7664709b 273
6d30e3a8
SR		 274/* sched.text is aling to function alignment to secure we have same
275 * address even at second ld pass when generating System.map */
1da177e4 276#define SCHED_TEXT \
6d30e3a8 277 ALIGN_FUNCTION(); \
1da177e4
LT		 278 VMLINUX_SYMBOL(__sched_text_start) = .; \
279 *(.sched.text) \
280 VMLINUX_SYMBOL(__sched_text_end) = .;
281
6d30e3a8
SR		 282/* spinlock.text is aling to function alignment to secure we have same
283 * address even at second ld pass when generating System.map */
1da177e4 284#define LOCK_TEXT \
6d30e3a8 285 ALIGN_FUNCTION(); \
1da177e4
LT		 286 VMLINUX_SYMBOL(__lock_text_start) = .; \
287 *(.spinlock.text) \
288 VMLINUX_SYMBOL(__lock_text_end) = .;
d0aaff97
PP		 289
290#define KPROBES_TEXT \
291 ALIGN_FUNCTION(); \
292 VMLINUX_SYMBOL(__kprobes_text_start) = .; \
293 *(.kprobes.text) \
294 VMLINUX_SYMBOL(__kprobes_text_end) = .;
a7d0c210 295
a0343e82
FW		 296#ifdef CONFIG_FUNCTION_GRAPH_TRACER
297#define IRQENTRY_TEXT \
298 ALIGN_FUNCTION(); \
299 VMLINUX_SYMBOL(__irqentry_text_start) = .; \
300 *(.irqentry.text) \
301 VMLINUX_SYMBOL(__irqentry_text_end) = .;
302#else
303#define IRQENTRY_TEXT
304#endif
305
37c514e3
SR		 306/* Section used for early init (in .S files) */
307#define HEAD_TEXT *(.head.text)
308
01ba2bdc 309/* init and exit section handling */
eb8f6890
SR		 310#define INIT_DATA \
311 *(.init.data) \
312 DEV_DISCARD(init.data) \
313 DEV_DISCARD(init.rodata) \
314 CPU_DISCARD(init.data) \
315 CPU_DISCARD(init.rodata) \
316 MEM_DISCARD(init.data) \
e9d376f0 317 MEM_DISCARD(init.rodata)
eb8f6890
SR		 318
319#define INIT_TEXT \
320 *(.init.text) \
321 DEV_DISCARD(init.text) \
322 CPU_DISCARD(init.text) \
323 MEM_DISCARD(init.text)
324
325#define EXIT_DATA \
326 *(.exit.data) \
327 DEV_DISCARD(exit.data) \
328 DEV_DISCARD(exit.rodata) \
329 CPU_DISCARD(exit.data) \
330 CPU_DISCARD(exit.rodata) \
331 MEM_DISCARD(exit.data) \
332 MEM_DISCARD(exit.rodata)
01ba2bdc 333
eb8f6890
SR		 334#define EXIT_TEXT \
335 *(.exit.text) \
336 DEV_DISCARD(exit.text) \
337 CPU_DISCARD(exit.text) \
338 MEM_DISCARD(exit.text)
01ba2bdc 339
a7d0c210
PBG		 340 /* DWARF debug sections.
341 Symbols in the DWARF debugging sections are relative to
342 the beginning of the section so we begin them at 0. */
343#define DWARF_DEBUG \
344 /* DWARF 1 */ \
345 .debug 0 : { *(.debug) } \
346 .line 0 : { *(.line) } \
347 /* GNU DWARF 1 extensions */ \
348 .debug_srcinfo 0 : { *(.debug_srcinfo) } \
349 .debug_sfnames 0 : { *(.debug_sfnames) } \
350 /* DWARF 1.1 and DWARF 2 */ \
351 .debug_aranges 0 : { *(.debug_aranges) } \
352 .debug_pubnames 0 : { *(.debug_pubnames) } \
353 /* DWARF 2 */ \
354 .debug_info 0 : { *(.debug_info \
355 .gnu.linkonce.wi.*) } \
356 .debug_abbrev 0 : { *(.debug_abbrev) } \
357 .debug_line 0 : { *(.debug_line) } \
358 .debug_frame 0 : { *(.debug_frame) } \
359 .debug_str 0 : { *(.debug_str) } \
360 .debug_loc 0 : { *(.debug_loc) } \
361 .debug_macinfo 0 : { *(.debug_macinfo) } \
362 /* SGI/MIPS DWARF 2 extensions */ \
363 .debug_weaknames 0 : { *(.debug_weaknames) } \
364 .debug_funcnames 0 : { *(.debug_funcnames) } \
365 .debug_typenames 0 : { *(.debug_typenames) } \
366 .debug_varnames 0 : { *(.debug_varnames) } \
367
368 /* Stabs debugging sections. */
369#define STABS_DEBUG \
370 .stab 0 : { *(.stab) } \
371 .stabstr 0 : { *(.stabstr) } \
372 .stab.excl 0 : { *(.stab.excl) } \
373 .stab.exclstr 0 : { *(.stab.exclstr) } \
374 .stab.index 0 : { *(.stab.index) } \
375 .stab.indexstr 0 : { *(.stab.indexstr) } \
376 .comment 0 : { *(.comment) }
9c9b8b38 377
6360b1fb 378#ifdef CONFIG_GENERIC_BUG
7664c5a1
JF		 379#define BUG_TABLE \
380 . = ALIGN(8); \
381 __bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) { \
c6de0026 382 VMLINUX_SYMBOL(__start___bug_table) = .; \
7664c5a1 383 *(__bug_table) \
c6de0026 384 VMLINUX_SYMBOL(__stop___bug_table) = .; \
7664c5a1 385 }
6360b1fb
JB		 386#else
387#define BUG_TABLE
388#endif
7664c5a1 389
63687a52
JB		 390#ifdef CONFIG_PM_TRACE
391#define TRACEDATA \
392 . = ALIGN(4); \
393 .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) { \
c6de0026 394 VMLINUX_SYMBOL(__tracedata_start) = .; \
63687a52 395 *(.tracedata) \
c6de0026 396 VMLINUX_SYMBOL(__tracedata_end) = .; \
63687a52
JB		 397 }
398#else
399#define TRACEDATA
400#endif
401
9c9b8b38 402#define NOTES \
cbe87121
RM		 403 .notes : AT(ADDR(.notes) - LOAD_OFFSET) { \
404 VMLINUX_SYMBOL(__start_notes) = .; \
405 *(.note.*) \
406 VMLINUX_SYMBOL(__stop_notes) = .; \
407 }
61ce1efe
AM		 408
409#define INITCALLS \
c2147a50 410 *(.initcallearly.init) \
c6de0026 411 VMLINUX_SYMBOL(__early_initcall_end) = .; \
b3438f82
LT		 412 *(.initcall0.init) \
413 *(.initcall0s.init) \
61ce1efe 414 *(.initcall1.init) \
735a7ffb 415 *(.initcall1s.init) \
61ce1efe 416 *(.initcall2.init) \
735a7ffb 417 *(.initcall2s.init) \
61ce1efe 418 *(.initcall3.init) \
735a7ffb 419 *(.initcall3s.init) \
61ce1efe 420 *(.initcall4.init) \
735a7ffb 421 *(.initcall4s.init) \
61ce1efe 422 *(.initcall5.init) \
735a7ffb 423 *(.initcall5s.init) \
8d610dd5 424 *(.initcallrootfs.init) \
61ce1efe 425 *(.initcall6.init) \
735a7ffb
AM		 426 *(.initcall6s.init) \
427 *(.initcall7.init) \
428 *(.initcall7s.init)
61ce1efe 429
5fb7dc37
FY		 430#define PERCPU(align) \
431 . = ALIGN(align); \
c6de0026 432 VMLINUX_SYMBOL(__per_cpu_start) = .; \
5fb7dc37 433 .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { \
63cc8c75 434 *(.data.percpu.page_aligned) \
5fb7dc37
FY		 435 *(.data.percpu) \
436 *(.data.percpu.shared_aligned) \
437 } \
c6de0026 438 VMLINUX_SYMBOL(__per_cpu_end) = .;
Linux kernel - Deliverables
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