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Commit | Line | Data |
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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 | ||
40 | ||
ca967258 SR |
41 | /* .data section */ |
42 | #define DATA_DATA \ | |
0e0d314e | 43 | *(.data) \ |
8256e47c | 44 | *(.data.init.refok) \ |
eb8f6890 SR |
45 | DEV_KEEP(init.data) \ |
46 | DEV_KEEP(exit.data) \ | |
47 | CPU_KEEP(init.data) \ | |
48 | CPU_KEEP(exit.data) \ | |
49 | MEM_KEEP(init.data) \ | |
50 | MEM_KEEP(exit.data) \ | |
8256e47c MD |
51 | . = ALIGN(8); \ |
52 | VMLINUX_SYMBOL(__start___markers) = .; \ | |
53 | *(__markers) \ | |
54 | VMLINUX_SYMBOL(__stop___markers) = .; | |
ca967258 | 55 | |
4096b46f SR |
56 | #define RO_DATA(align) \ |
57 | . = ALIGN((align)); \ | |
1da177e4 | 58 | .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \ |
6569580d | 59 | VMLINUX_SYMBOL(__start_rodata) = .; \ |
1da177e4 LT |
60 | *(.rodata) *(.rodata.*) \ |
61 | *(__vermagic) /* Kernel version magic */ \ | |
8256e47c | 62 | *(__markers_strings) /* Markers: strings */ \ |
1da177e4 LT |
63 | } \ |
64 | \ | |
65 | .rodata1 : AT(ADDR(.rodata1) - LOAD_OFFSET) { \ | |
66 | *(.rodata1) \ | |
67 | } \ | |
68 | \ | |
69 | /* PCI quirks */ \ | |
70 | .pci_fixup : AT(ADDR(.pci_fixup) - LOAD_OFFSET) { \ | |
71 | VMLINUX_SYMBOL(__start_pci_fixups_early) = .; \ | |
72 | *(.pci_fixup_early) \ | |
73 | VMLINUX_SYMBOL(__end_pci_fixups_early) = .; \ | |
74 | VMLINUX_SYMBOL(__start_pci_fixups_header) = .; \ | |
75 | *(.pci_fixup_header) \ | |
76 | VMLINUX_SYMBOL(__end_pci_fixups_header) = .; \ | |
77 | VMLINUX_SYMBOL(__start_pci_fixups_final) = .; \ | |
78 | *(.pci_fixup_final) \ | |
79 | VMLINUX_SYMBOL(__end_pci_fixups_final) = .; \ | |
80 | VMLINUX_SYMBOL(__start_pci_fixups_enable) = .; \ | |
81 | *(.pci_fixup_enable) \ | |
82 | VMLINUX_SYMBOL(__end_pci_fixups_enable) = .; \ | |
1597cacb AC |
83 | VMLINUX_SYMBOL(__start_pci_fixups_resume) = .; \ |
84 | *(.pci_fixup_resume) \ | |
85 | VMLINUX_SYMBOL(__end_pci_fixups_resume) = .; \ | |
1da177e4 LT |
86 | } \ |
87 | \ | |
394b701c MP |
88 | /* RapidIO route ops */ \ |
89 | .rio_route : AT(ADDR(.rio_route) - LOAD_OFFSET) { \ | |
90 | VMLINUX_SYMBOL(__start_rio_route_ops) = .; \ | |
91 | *(.rio_route_ops) \ | |
92 | VMLINUX_SYMBOL(__end_rio_route_ops) = .; \ | |
93 | } \ | |
94 | \ | |
1da177e4 LT |
95 | /* Kernel symbol table: Normal symbols */ \ |
96 | __ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \ | |
97 | VMLINUX_SYMBOL(__start___ksymtab) = .; \ | |
98 | *(__ksymtab) \ | |
99 | VMLINUX_SYMBOL(__stop___ksymtab) = .; \ | |
100 | } \ | |
101 | \ | |
102 | /* Kernel symbol table: GPL-only symbols */ \ | |
103 | __ksymtab_gpl : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) { \ | |
104 | VMLINUX_SYMBOL(__start___ksymtab_gpl) = .; \ | |
105 | *(__ksymtab_gpl) \ | |
106 | VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .; \ | |
107 | } \ | |
108 | \ | |
f71d20e9 AV |
109 | /* Kernel symbol table: Normal unused symbols */ \ |
110 | __ksymtab_unused : AT(ADDR(__ksymtab_unused) - LOAD_OFFSET) { \ | |
111 | VMLINUX_SYMBOL(__start___ksymtab_unused) = .; \ | |
112 | *(__ksymtab_unused) \ | |
113 | VMLINUX_SYMBOL(__stop___ksymtab_unused) = .; \ | |
114 | } \ | |
115 | \ | |
116 | /* Kernel symbol table: GPL-only unused symbols */ \ | |
117 | __ksymtab_unused_gpl : AT(ADDR(__ksymtab_unused_gpl) - LOAD_OFFSET) { \ | |
118 | VMLINUX_SYMBOL(__start___ksymtab_unused_gpl) = .; \ | |
119 | *(__ksymtab_unused_gpl) \ | |
120 | VMLINUX_SYMBOL(__stop___ksymtab_unused_gpl) = .; \ | |
121 | } \ | |
122 | \ | |
9f28bb7e GKH |
123 | /* Kernel symbol table: GPL-future-only symbols */ \ |
124 | __ksymtab_gpl_future : AT(ADDR(__ksymtab_gpl_future) - LOAD_OFFSET) { \ | |
125 | VMLINUX_SYMBOL(__start___ksymtab_gpl_future) = .; \ | |
126 | *(__ksymtab_gpl_future) \ | |
127 | VMLINUX_SYMBOL(__stop___ksymtab_gpl_future) = .; \ | |
128 | } \ | |
129 | \ | |
1da177e4 LT |
130 | /* Kernel symbol table: Normal symbols */ \ |
131 | __kcrctab : AT(ADDR(__kcrctab) - LOAD_OFFSET) { \ | |
132 | VMLINUX_SYMBOL(__start___kcrctab) = .; \ | |
133 | *(__kcrctab) \ | |
134 | VMLINUX_SYMBOL(__stop___kcrctab) = .; \ | |
135 | } \ | |
136 | \ | |
137 | /* Kernel symbol table: GPL-only symbols */ \ | |
138 | __kcrctab_gpl : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) { \ | |
139 | VMLINUX_SYMBOL(__start___kcrctab_gpl) = .; \ | |
140 | *(__kcrctab_gpl) \ | |
141 | VMLINUX_SYMBOL(__stop___kcrctab_gpl) = .; \ | |
142 | } \ | |
143 | \ | |
f71d20e9 AV |
144 | /* Kernel symbol table: Normal unused symbols */ \ |
145 | __kcrctab_unused : AT(ADDR(__kcrctab_unused) - LOAD_OFFSET) { \ | |
146 | VMLINUX_SYMBOL(__start___kcrctab_unused) = .; \ | |
147 | *(__kcrctab_unused) \ | |
148 | VMLINUX_SYMBOL(__stop___kcrctab_unused) = .; \ | |
149 | } \ | |
150 | \ | |
151 | /* Kernel symbol table: GPL-only unused symbols */ \ | |
152 | __kcrctab_unused_gpl : AT(ADDR(__kcrctab_unused_gpl) - LOAD_OFFSET) { \ | |
153 | VMLINUX_SYMBOL(__start___kcrctab_unused_gpl) = .; \ | |
154 | *(__kcrctab_unused_gpl) \ | |
155 | VMLINUX_SYMBOL(__stop___kcrctab_unused_gpl) = .; \ | |
156 | } \ | |
157 | \ | |
9f28bb7e GKH |
158 | /* Kernel symbol table: GPL-future-only symbols */ \ |
159 | __kcrctab_gpl_future : AT(ADDR(__kcrctab_gpl_future) - LOAD_OFFSET) { \ | |
160 | VMLINUX_SYMBOL(__start___kcrctab_gpl_future) = .; \ | |
161 | *(__kcrctab_gpl_future) \ | |
162 | VMLINUX_SYMBOL(__stop___kcrctab_gpl_future) = .; \ | |
163 | } \ | |
164 | \ | |
1da177e4 LT |
165 | /* Kernel symbol table: strings */ \ |
166 | __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \ | |
167 | *(__ksymtab_strings) \ | |
168 | } \ | |
169 | \ | |
eb8f6890 SR |
170 | /* __*init sections */ \ |
171 | __init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) { \ | |
172 | DEV_KEEP(init.rodata) \ | |
173 | DEV_KEEP(exit.rodata) \ | |
174 | CPU_KEEP(init.rodata) \ | |
175 | CPU_KEEP(exit.rodata) \ | |
176 | MEM_KEEP(init.rodata) \ | |
177 | MEM_KEEP(exit.rodata) \ | |
178 | } \ | |
179 | \ | |
1da177e4 LT |
180 | /* Built-in module parameters. */ \ |
181 | __param : AT(ADDR(__param) - LOAD_OFFSET) { \ | |
182 | VMLINUX_SYMBOL(__start___param) = .; \ | |
183 | *(__param) \ | |
184 | VMLINUX_SYMBOL(__stop___param) = .; \ | |
6569580d | 185 | VMLINUX_SYMBOL(__end_rodata) = .; \ |
7583ddfd | 186 | } \ |
4096b46f SR |
187 | . = ALIGN((align)); |
188 | ||
189 | /* RODATA provided for backward compatibility. | |
190 | * All archs are supposed to use RO_DATA() */ | |
191 | #define RODATA RO_DATA(4096) | |
1da177e4 LT |
192 | |
193 | #define SECURITY_INIT \ | |
60bad7fa | 194 | .security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \ |
1da177e4 LT |
195 | VMLINUX_SYMBOL(__security_initcall_start) = .; \ |
196 | *(.security_initcall.init) \ | |
197 | VMLINUX_SYMBOL(__security_initcall_end) = .; \ | |
198 | } | |
199 | ||
7664709b SR |
200 | /* .text section. Map to function alignment to avoid address changes |
201 | * during second ld run in second ld pass when generating System.map */ | |
202 | #define TEXT_TEXT \ | |
203 | ALIGN_FUNCTION(); \ | |
0e0d314e | 204 | *(.text) \ |
23ec23c2 | 205 | *(.text.init.refok) \ |
eb8f6890 SR |
206 | *(.exit.text.refok) \ |
207 | DEV_KEEP(init.text) \ | |
208 | DEV_KEEP(exit.text) \ | |
209 | CPU_KEEP(init.text) \ | |
210 | CPU_KEEP(exit.text) \ | |
211 | MEM_KEEP(init.text) \ | |
212 | MEM_KEEP(exit.text) | |
213 | ||
7664709b | 214 | |
6d30e3a8 SR |
215 | /* sched.text is aling to function alignment to secure we have same |
216 | * address even at second ld pass when generating System.map */ | |
1da177e4 | 217 | #define SCHED_TEXT \ |
6d30e3a8 | 218 | ALIGN_FUNCTION(); \ |
1da177e4 LT |
219 | VMLINUX_SYMBOL(__sched_text_start) = .; \ |
220 | *(.sched.text) \ | |
221 | VMLINUX_SYMBOL(__sched_text_end) = .; | |
222 | ||
6d30e3a8 SR |
223 | /* spinlock.text is aling to function alignment to secure we have same |
224 | * address even at second ld pass when generating System.map */ | |
1da177e4 | 225 | #define LOCK_TEXT \ |
6d30e3a8 | 226 | ALIGN_FUNCTION(); \ |
1da177e4 LT |
227 | VMLINUX_SYMBOL(__lock_text_start) = .; \ |
228 | *(.spinlock.text) \ | |
229 | VMLINUX_SYMBOL(__lock_text_end) = .; | |
d0aaff97 PP |
230 | |
231 | #define KPROBES_TEXT \ | |
232 | ALIGN_FUNCTION(); \ | |
233 | VMLINUX_SYMBOL(__kprobes_text_start) = .; \ | |
234 | *(.kprobes.text) \ | |
235 | VMLINUX_SYMBOL(__kprobes_text_end) = .; | |
a7d0c210 | 236 | |
01ba2bdc | 237 | /* init and exit section handling */ |
eb8f6890 SR |
238 | #define INIT_DATA \ |
239 | *(.init.data) \ | |
240 | DEV_DISCARD(init.data) \ | |
241 | DEV_DISCARD(init.rodata) \ | |
242 | CPU_DISCARD(init.data) \ | |
243 | CPU_DISCARD(init.rodata) \ | |
244 | MEM_DISCARD(init.data) \ | |
245 | MEM_DISCARD(init.rodata) | |
246 | ||
247 | #define INIT_TEXT \ | |
248 | *(.init.text) \ | |
249 | DEV_DISCARD(init.text) \ | |
250 | CPU_DISCARD(init.text) \ | |
251 | MEM_DISCARD(init.text) | |
252 | ||
253 | #define EXIT_DATA \ | |
254 | *(.exit.data) \ | |
255 | DEV_DISCARD(exit.data) \ | |
256 | DEV_DISCARD(exit.rodata) \ | |
257 | CPU_DISCARD(exit.data) \ | |
258 | CPU_DISCARD(exit.rodata) \ | |
259 | MEM_DISCARD(exit.data) \ | |
260 | MEM_DISCARD(exit.rodata) | |
01ba2bdc | 261 | |
eb8f6890 SR |
262 | #define EXIT_TEXT \ |
263 | *(.exit.text) \ | |
264 | DEV_DISCARD(exit.text) \ | |
265 | CPU_DISCARD(exit.text) \ | |
266 | MEM_DISCARD(exit.text) | |
01ba2bdc | 267 | |
a7d0c210 PBG |
268 | /* DWARF debug sections. |
269 | Symbols in the DWARF debugging sections are relative to | |
270 | the beginning of the section so we begin them at 0. */ | |
271 | #define DWARF_DEBUG \ | |
272 | /* DWARF 1 */ \ | |
273 | .debug 0 : { *(.debug) } \ | |
274 | .line 0 : { *(.line) } \ | |
275 | /* GNU DWARF 1 extensions */ \ | |
276 | .debug_srcinfo 0 : { *(.debug_srcinfo) } \ | |
277 | .debug_sfnames 0 : { *(.debug_sfnames) } \ | |
278 | /* DWARF 1.1 and DWARF 2 */ \ | |
279 | .debug_aranges 0 : { *(.debug_aranges) } \ | |
280 | .debug_pubnames 0 : { *(.debug_pubnames) } \ | |
281 | /* DWARF 2 */ \ | |
282 | .debug_info 0 : { *(.debug_info \ | |
283 | .gnu.linkonce.wi.*) } \ | |
284 | .debug_abbrev 0 : { *(.debug_abbrev) } \ | |
285 | .debug_line 0 : { *(.debug_line) } \ | |
286 | .debug_frame 0 : { *(.debug_frame) } \ | |
287 | .debug_str 0 : { *(.debug_str) } \ | |
288 | .debug_loc 0 : { *(.debug_loc) } \ | |
289 | .debug_macinfo 0 : { *(.debug_macinfo) } \ | |
290 | /* SGI/MIPS DWARF 2 extensions */ \ | |
291 | .debug_weaknames 0 : { *(.debug_weaknames) } \ | |
292 | .debug_funcnames 0 : { *(.debug_funcnames) } \ | |
293 | .debug_typenames 0 : { *(.debug_typenames) } \ | |
294 | .debug_varnames 0 : { *(.debug_varnames) } \ | |
295 | ||
296 | /* Stabs debugging sections. */ | |
297 | #define STABS_DEBUG \ | |
298 | .stab 0 : { *(.stab) } \ | |
299 | .stabstr 0 : { *(.stabstr) } \ | |
300 | .stab.excl 0 : { *(.stab.excl) } \ | |
301 | .stab.exclstr 0 : { *(.stab.exclstr) } \ | |
302 | .stab.index 0 : { *(.stab.index) } \ | |
303 | .stab.indexstr 0 : { *(.stab.indexstr) } \ | |
304 | .comment 0 : { *(.comment) } | |
9c9b8b38 | 305 | |
7664c5a1 JF |
306 | #define BUG_TABLE \ |
307 | . = ALIGN(8); \ | |
308 | __bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) { \ | |
309 | __start___bug_table = .; \ | |
310 | *(__bug_table) \ | |
311 | __stop___bug_table = .; \ | |
312 | } | |
313 | ||
9c9b8b38 | 314 | #define NOTES \ |
cbe87121 RM |
315 | .notes : AT(ADDR(.notes) - LOAD_OFFSET) { \ |
316 | VMLINUX_SYMBOL(__start_notes) = .; \ | |
317 | *(.note.*) \ | |
318 | VMLINUX_SYMBOL(__stop_notes) = .; \ | |
319 | } | |
61ce1efe AM |
320 | |
321 | #define INITCALLS \ | |
b3438f82 LT |
322 | *(.initcall0.init) \ |
323 | *(.initcall0s.init) \ | |
61ce1efe | 324 | *(.initcall1.init) \ |
735a7ffb | 325 | *(.initcall1s.init) \ |
61ce1efe | 326 | *(.initcall2.init) \ |
735a7ffb | 327 | *(.initcall2s.init) \ |
61ce1efe | 328 | *(.initcall3.init) \ |
735a7ffb | 329 | *(.initcall3s.init) \ |
61ce1efe | 330 | *(.initcall4.init) \ |
735a7ffb | 331 | *(.initcall4s.init) \ |
61ce1efe | 332 | *(.initcall5.init) \ |
735a7ffb | 333 | *(.initcall5s.init) \ |
8d610dd5 | 334 | *(.initcallrootfs.init) \ |
61ce1efe | 335 | *(.initcall6.init) \ |
735a7ffb AM |
336 | *(.initcall6s.init) \ |
337 | *(.initcall7.init) \ | |
338 | *(.initcall7s.init) | |
61ce1efe | 339 | |
5fb7dc37 FY |
340 | #define PERCPU(align) \ |
341 | . = ALIGN(align); \ | |
342 | __per_cpu_start = .; \ | |
343 | .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { \ | |
344 | *(.data.percpu) \ | |
345 | *(.data.percpu.shared_aligned) \ | |
346 | } \ | |
347 | __per_cpu_end = .; |