6 #define VMLINUX_SYMBOL(_sym_) _sym_
9 /* Align . to a 8 byte boundary equals to maximum function alignment. */
10 #define ALIGN_FUNCTION() . = ALIGN(8)
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)
17 #define DEV_KEEP(sec) *(.dev##sec)
18 #define DEV_DISCARD(sec)
21 #define DEV_DISCARD(sec) *(.dev##sec)
24 #ifdef CONFIG_HOTPLUG_CPU
25 #define CPU_KEEP(sec) *(.cpu##sec)
26 #define CPU_DISCARD(sec)
29 #define CPU_DISCARD(sec) *(.cpu##sec)
32 #if defined(CONFIG_MEMORY_HOTPLUG)
33 #define MEM_KEEP(sec) *(.mem##sec)
34 #define MEM_DISCARD(sec)
37 #define MEM_DISCARD(sec) *(.mem##sec)
53 VMLINUX_SYMBOL(__start___markers) = .; \
55 VMLINUX_SYMBOL(__stop___markers) = .;
57 #define RO_DATA(align) \
59 .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \
60 VMLINUX_SYMBOL(__start_rodata) = .; \
61 *(.rodata) *(.rodata.*) \
62 *(__vermagic) /* Kernel version magic */ \
63 *(__markers_strings) /* Markers: strings */ \
66 .rodata1 : AT(ADDR(.rodata1) - LOAD_OFFSET) { \
73 .pci_fixup : AT(ADDR(.pci_fixup) - LOAD_OFFSET) { \
74 VMLINUX_SYMBOL(__start_pci_fixups_early) = .; \
76 VMLINUX_SYMBOL(__end_pci_fixups_early) = .; \
77 VMLINUX_SYMBOL(__start_pci_fixups_header) = .; \
78 *(.pci_fixup_header) \
79 VMLINUX_SYMBOL(__end_pci_fixups_header) = .; \
80 VMLINUX_SYMBOL(__start_pci_fixups_final) = .; \
82 VMLINUX_SYMBOL(__end_pci_fixups_final) = .; \
83 VMLINUX_SYMBOL(__start_pci_fixups_enable) = .; \
84 *(.pci_fixup_enable) \
85 VMLINUX_SYMBOL(__end_pci_fixups_enable) = .; \
86 VMLINUX_SYMBOL(__start_pci_fixups_resume) = .; \
87 *(.pci_fixup_resume) \
88 VMLINUX_SYMBOL(__end_pci_fixups_resume) = .; \
89 VMLINUX_SYMBOL(__start_pci_fixups_resume_early) = .; \
90 *(.pci_fixup_resume_early) \
91 VMLINUX_SYMBOL(__end_pci_fixups_resume_early) = .; \
92 VMLINUX_SYMBOL(__start_pci_fixups_suspend) = .; \
93 *(.pci_fixup_suspend) \
94 VMLINUX_SYMBOL(__end_pci_fixups_suspend) = .; \
97 /* Built-in firmware blobs */ \
98 .builtin_fw : AT(ADDR(.builtin_fw) - LOAD_OFFSET) { \
99 VMLINUX_SYMBOL(__start_builtin_fw) = .; \
101 VMLINUX_SYMBOL(__end_builtin_fw) = .; \
104 /* RapidIO route ops */ \
105 .rio_route : AT(ADDR(.rio_route) - LOAD_OFFSET) { \
106 VMLINUX_SYMBOL(__start_rio_route_ops) = .; \
108 VMLINUX_SYMBOL(__end_rio_route_ops) = .; \
113 /* Kernel symbol table: Normal symbols */ \
114 __ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \
115 VMLINUX_SYMBOL(__start___ksymtab) = .; \
117 VMLINUX_SYMBOL(__stop___ksymtab) = .; \
120 /* Kernel symbol table: GPL-only symbols */ \
121 __ksymtab_gpl : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) { \
122 VMLINUX_SYMBOL(__start___ksymtab_gpl) = .; \
124 VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .; \
127 /* Kernel symbol table: Normal unused symbols */ \
128 __ksymtab_unused : AT(ADDR(__ksymtab_unused) - LOAD_OFFSET) { \
129 VMLINUX_SYMBOL(__start___ksymtab_unused) = .; \
130 *(__ksymtab_unused) \
131 VMLINUX_SYMBOL(__stop___ksymtab_unused) = .; \
134 /* Kernel symbol table: GPL-only unused symbols */ \
135 __ksymtab_unused_gpl : AT(ADDR(__ksymtab_unused_gpl) - LOAD_OFFSET) { \
136 VMLINUX_SYMBOL(__start___ksymtab_unused_gpl) = .; \
137 *(__ksymtab_unused_gpl) \
138 VMLINUX_SYMBOL(__stop___ksymtab_unused_gpl) = .; \
141 /* Kernel symbol table: GPL-future-only symbols */ \
142 __ksymtab_gpl_future : AT(ADDR(__ksymtab_gpl_future) - LOAD_OFFSET) { \
143 VMLINUX_SYMBOL(__start___ksymtab_gpl_future) = .; \
144 *(__ksymtab_gpl_future) \
145 VMLINUX_SYMBOL(__stop___ksymtab_gpl_future) = .; \
148 /* Kernel symbol table: Normal symbols */ \
149 __kcrctab : AT(ADDR(__kcrctab) - LOAD_OFFSET) { \
150 VMLINUX_SYMBOL(__start___kcrctab) = .; \
152 VMLINUX_SYMBOL(__stop___kcrctab) = .; \
155 /* Kernel symbol table: GPL-only symbols */ \
156 __kcrctab_gpl : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) { \
157 VMLINUX_SYMBOL(__start___kcrctab_gpl) = .; \
159 VMLINUX_SYMBOL(__stop___kcrctab_gpl) = .; \
162 /* Kernel symbol table: Normal unused symbols */ \
163 __kcrctab_unused : AT(ADDR(__kcrctab_unused) - LOAD_OFFSET) { \
164 VMLINUX_SYMBOL(__start___kcrctab_unused) = .; \
165 *(__kcrctab_unused) \
166 VMLINUX_SYMBOL(__stop___kcrctab_unused) = .; \
169 /* Kernel symbol table: GPL-only unused symbols */ \
170 __kcrctab_unused_gpl : AT(ADDR(__kcrctab_unused_gpl) - LOAD_OFFSET) { \
171 VMLINUX_SYMBOL(__start___kcrctab_unused_gpl) = .; \
172 *(__kcrctab_unused_gpl) \
173 VMLINUX_SYMBOL(__stop___kcrctab_unused_gpl) = .; \
176 /* Kernel symbol table: GPL-future-only symbols */ \
177 __kcrctab_gpl_future : AT(ADDR(__kcrctab_gpl_future) - LOAD_OFFSET) { \
178 VMLINUX_SYMBOL(__start___kcrctab_gpl_future) = .; \
179 *(__kcrctab_gpl_future) \
180 VMLINUX_SYMBOL(__stop___kcrctab_gpl_future) = .; \
183 /* Kernel symbol table: strings */ \
184 __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \
185 *(__ksymtab_strings) \
188 /* __*init sections */ \
189 __init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) { \
191 DEV_KEEP(init.rodata) \
192 DEV_KEEP(exit.rodata) \
193 CPU_KEEP(init.rodata) \
194 CPU_KEEP(exit.rodata) \
195 MEM_KEEP(init.rodata) \
196 MEM_KEEP(exit.rodata) \
199 /* Built-in module parameters. */ \
200 __param : AT(ADDR(__param) - LOAD_OFFSET) { \
201 VMLINUX_SYMBOL(__start___param) = .; \
203 VMLINUX_SYMBOL(__stop___param) = .; \
204 . = ALIGN((align)); \
205 VMLINUX_SYMBOL(__end_rodata) = .; \
209 /* RODATA provided for backward compatibility.
210 * All archs are supposed to use RO_DATA() */
211 #define RODATA RO_DATA(4096)
213 #define DYN_ARRAY_INIT(align) \
214 . = ALIGN((align)); \
215 .dyn_array.init : AT(ADDR(.dyn_array.init) - LOAD_OFFSET) { \
216 VMLINUX_SYMBOL(__dyn_array_start) = .; \
218 VMLINUX_SYMBOL(__dyn_array_end) = .; \
220 #define SECURITY_INIT \
221 .security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
222 VMLINUX_SYMBOL(__security_initcall_start) = .; \
223 *(.security_initcall.init) \
224 VMLINUX_SYMBOL(__security_initcall_end) = .; \
227 /* .text section. Map to function alignment to avoid address changes
228 * during second ld run in second ld pass when generating System.map */
234 *(.text.init.refok) \
235 *(.exit.text.refok) \
236 DEV_KEEP(init.text) \
237 DEV_KEEP(exit.text) \
238 CPU_KEEP(init.text) \
239 CPU_KEEP(exit.text) \
240 MEM_KEEP(init.text) \
241 MEM_KEEP(exit.text) \
245 /* sched.text is aling to function alignment to secure we have same
246 * address even at second ld pass when generating System.map */
249 VMLINUX_SYMBOL(__sched_text_start) = .; \
251 VMLINUX_SYMBOL(__sched_text_end) = .;
253 /* spinlock.text is aling to function alignment to secure we have same
254 * address even at second ld pass when generating System.map */
257 VMLINUX_SYMBOL(__lock_text_start) = .; \
259 VMLINUX_SYMBOL(__lock_text_end) = .;
261 #define KPROBES_TEXT \
263 VMLINUX_SYMBOL(__kprobes_text_start) = .; \
265 VMLINUX_SYMBOL(__kprobes_text_end) = .;
267 /* Section used for early init (in .S files) */
268 #define HEAD_TEXT *(.head.text)
270 /* init and exit section handling */
273 DEV_DISCARD(init.data) \
274 DEV_DISCARD(init.rodata) \
275 CPU_DISCARD(init.data) \
276 CPU_DISCARD(init.rodata) \
277 MEM_DISCARD(init.data) \
278 MEM_DISCARD(init.rodata)
282 DEV_DISCARD(init.text) \
283 CPU_DISCARD(init.text) \
284 MEM_DISCARD(init.text)
288 DEV_DISCARD(exit.data) \
289 DEV_DISCARD(exit.rodata) \
290 CPU_DISCARD(exit.data) \
291 CPU_DISCARD(exit.rodata) \
292 MEM_DISCARD(exit.data) \
293 MEM_DISCARD(exit.rodata)
297 DEV_DISCARD(exit.text) \
298 CPU_DISCARD(exit.text) \
299 MEM_DISCARD(exit.text)
301 /* DWARF debug sections.
302 Symbols in the DWARF debugging sections are relative to
303 the beginning of the section so we begin them at 0. */
304 #define DWARF_DEBUG \
306 .debug 0 : { *(.debug) } \
307 .line 0 : { *(.line) } \
308 /* GNU DWARF 1 extensions */ \
309 .debug_srcinfo 0 : { *(.debug_srcinfo) } \
310 .debug_sfnames 0 : { *(.debug_sfnames) } \
311 /* DWARF 1.1 and DWARF 2 */ \
312 .debug_aranges 0 : { *(.debug_aranges) } \
313 .debug_pubnames 0 : { *(.debug_pubnames) } \
315 .debug_info 0 : { *(.debug_info \
316 .gnu.linkonce.wi.*) } \
317 .debug_abbrev 0 : { *(.debug_abbrev) } \
318 .debug_line 0 : { *(.debug_line) } \
319 .debug_frame 0 : { *(.debug_frame) } \
320 .debug_str 0 : { *(.debug_str) } \
321 .debug_loc 0 : { *(.debug_loc) } \
322 .debug_macinfo 0 : { *(.debug_macinfo) } \
323 /* SGI/MIPS DWARF 2 extensions */ \
324 .debug_weaknames 0 : { *(.debug_weaknames) } \
325 .debug_funcnames 0 : { *(.debug_funcnames) } \
326 .debug_typenames 0 : { *(.debug_typenames) } \
327 .debug_varnames 0 : { *(.debug_varnames) } \
329 /* Stabs debugging sections. */
330 #define STABS_DEBUG \
331 .stab 0 : { *(.stab) } \
332 .stabstr 0 : { *(.stabstr) } \
333 .stab.excl 0 : { *(.stab.excl) } \
334 .stab.exclstr 0 : { *(.stab.exclstr) } \
335 .stab.index 0 : { *(.stab.index) } \
336 .stab.indexstr 0 : { *(.stab.indexstr) } \
337 .comment 0 : { *(.comment) }
339 #ifdef CONFIG_GENERIC_BUG
342 __bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) { \
343 VMLINUX_SYMBOL(__start___bug_table) = .; \
345 VMLINUX_SYMBOL(__stop___bug_table) = .; \
351 #ifdef CONFIG_PM_TRACE
354 .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) { \
355 VMLINUX_SYMBOL(__tracedata_start) = .; \
357 VMLINUX_SYMBOL(__tracedata_end) = .; \
364 .notes : AT(ADDR(.notes) - LOAD_OFFSET) { \
365 VMLINUX_SYMBOL(__start_notes) = .; \
367 VMLINUX_SYMBOL(__stop_notes) = .; \
371 *(.initcallearly.init) \
372 VMLINUX_SYMBOL(__early_initcall_end) = .; \
374 *(.initcall0s.init) \
376 *(.initcall1s.init) \
378 *(.initcall2s.init) \
380 *(.initcall3s.init) \
382 *(.initcall4s.init) \
384 *(.initcall5s.init) \
385 *(.initcallrootfs.init) \
387 *(.initcall6s.init) \
391 #define PERCPU(align) \
393 VMLINUX_SYMBOL(__per_cpu_start) = .; \
394 .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { \
395 *(.data.percpu.page_aligned) \
397 *(.data.percpu.shared_aligned) \
399 VMLINUX_SYMBOL(__per_cpu_end) = .;