]> git.karo-electronics.de Git - karo-tx-linux.git/blob - include/asm-generic/vmlinux.lds.h
Merge branch 'linus' into tracing-v28-for-linus-v3
[karo-tx-linux.git] / include / asm-generic / vmlinux.lds.h
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) = .;