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) { \
71 .pci_fixup : AT(ADDR(.pci_fixup) - LOAD_OFFSET) { \
72 VMLINUX_SYMBOL(__start_pci_fixups_early) = .; \
74 VMLINUX_SYMBOL(__end_pci_fixups_early) = .; \
75 VMLINUX_SYMBOL(__start_pci_fixups_header) = .; \
76 *(.pci_fixup_header) \
77 VMLINUX_SYMBOL(__end_pci_fixups_header) = .; \
78 VMLINUX_SYMBOL(__start_pci_fixups_final) = .; \
80 VMLINUX_SYMBOL(__end_pci_fixups_final) = .; \
81 VMLINUX_SYMBOL(__start_pci_fixups_enable) = .; \
82 *(.pci_fixup_enable) \
83 VMLINUX_SYMBOL(__end_pci_fixups_enable) = .; \
84 VMLINUX_SYMBOL(__start_pci_fixups_resume) = .; \
85 *(.pci_fixup_resume) \
86 VMLINUX_SYMBOL(__end_pci_fixups_resume) = .; \
87 VMLINUX_SYMBOL(__start_pci_fixups_resume_early) = .; \
88 *(.pci_fixup_resume_early) \
89 VMLINUX_SYMBOL(__end_pci_fixups_resume_early) = .; \
90 VMLINUX_SYMBOL(__start_pci_fixups_suspend) = .; \
91 *(.pci_fixup_suspend) \
92 VMLINUX_SYMBOL(__end_pci_fixups_suspend) = .; \
95 /* RapidIO route ops */ \
96 .rio_route : AT(ADDR(.rio_route) - LOAD_OFFSET) { \
97 VMLINUX_SYMBOL(__start_rio_route_ops) = .; \
99 VMLINUX_SYMBOL(__end_rio_route_ops) = .; \
102 /* Kernel symbol table: Normal symbols */ \
103 __ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \
104 VMLINUX_SYMBOL(__start___ksymtab) = .; \
106 VMLINUX_SYMBOL(__stop___ksymtab) = .; \
109 /* Kernel symbol table: GPL-only symbols */ \
110 __ksymtab_gpl : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) { \
111 VMLINUX_SYMBOL(__start___ksymtab_gpl) = .; \
113 VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .; \
116 /* Kernel symbol table: Normal unused symbols */ \
117 __ksymtab_unused : AT(ADDR(__ksymtab_unused) - LOAD_OFFSET) { \
118 VMLINUX_SYMBOL(__start___ksymtab_unused) = .; \
119 *(__ksymtab_unused) \
120 VMLINUX_SYMBOL(__stop___ksymtab_unused) = .; \
123 /* Kernel symbol table: GPL-only unused symbols */ \
124 __ksymtab_unused_gpl : AT(ADDR(__ksymtab_unused_gpl) - LOAD_OFFSET) { \
125 VMLINUX_SYMBOL(__start___ksymtab_unused_gpl) = .; \
126 *(__ksymtab_unused_gpl) \
127 VMLINUX_SYMBOL(__stop___ksymtab_unused_gpl) = .; \
130 /* Kernel symbol table: GPL-future-only symbols */ \
131 __ksymtab_gpl_future : AT(ADDR(__ksymtab_gpl_future) - LOAD_OFFSET) { \
132 VMLINUX_SYMBOL(__start___ksymtab_gpl_future) = .; \
133 *(__ksymtab_gpl_future) \
134 VMLINUX_SYMBOL(__stop___ksymtab_gpl_future) = .; \
137 /* Kernel symbol table: Normal symbols */ \
138 __kcrctab : AT(ADDR(__kcrctab) - LOAD_OFFSET) { \
139 VMLINUX_SYMBOL(__start___kcrctab) = .; \
141 VMLINUX_SYMBOL(__stop___kcrctab) = .; \
144 /* Kernel symbol table: GPL-only symbols */ \
145 __kcrctab_gpl : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) { \
146 VMLINUX_SYMBOL(__start___kcrctab_gpl) = .; \
148 VMLINUX_SYMBOL(__stop___kcrctab_gpl) = .; \
151 /* Kernel symbol table: Normal unused symbols */ \
152 __kcrctab_unused : AT(ADDR(__kcrctab_unused) - LOAD_OFFSET) { \
153 VMLINUX_SYMBOL(__start___kcrctab_unused) = .; \
154 *(__kcrctab_unused) \
155 VMLINUX_SYMBOL(__stop___kcrctab_unused) = .; \
158 /* Kernel symbol table: GPL-only unused symbols */ \
159 __kcrctab_unused_gpl : AT(ADDR(__kcrctab_unused_gpl) - LOAD_OFFSET) { \
160 VMLINUX_SYMBOL(__start___kcrctab_unused_gpl) = .; \
161 *(__kcrctab_unused_gpl) \
162 VMLINUX_SYMBOL(__stop___kcrctab_unused_gpl) = .; \
165 /* Kernel symbol table: GPL-future-only symbols */ \
166 __kcrctab_gpl_future : AT(ADDR(__kcrctab_gpl_future) - LOAD_OFFSET) { \
167 VMLINUX_SYMBOL(__start___kcrctab_gpl_future) = .; \
168 *(__kcrctab_gpl_future) \
169 VMLINUX_SYMBOL(__stop___kcrctab_gpl_future) = .; \
172 /* Kernel symbol table: strings */ \
173 __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \
174 *(__ksymtab_strings) \
177 /* __*init sections */ \
178 __init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) { \
180 DEV_KEEP(init.rodata) \
181 DEV_KEEP(exit.rodata) \
182 CPU_KEEP(init.rodata) \
183 CPU_KEEP(exit.rodata) \
184 MEM_KEEP(init.rodata) \
185 MEM_KEEP(exit.rodata) \
188 /* Built-in module parameters. */ \
189 __param : AT(ADDR(__param) - LOAD_OFFSET) { \
190 VMLINUX_SYMBOL(__start___param) = .; \
192 VMLINUX_SYMBOL(__stop___param) = .; \
193 . = ALIGN((align)); \
194 VMLINUX_SYMBOL(__end_rodata) = .; \
198 /* RODATA provided for backward compatibility.
199 * All archs are supposed to use RO_DATA() */
200 #define RODATA RO_DATA(4096)
202 #define SECURITY_INIT \
203 .security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
204 VMLINUX_SYMBOL(__security_initcall_start) = .; \
205 *(.security_initcall.init) \
206 VMLINUX_SYMBOL(__security_initcall_end) = .; \
209 /* .text section. Map to function alignment to avoid address changes
210 * during second ld run in second ld pass when generating System.map */
215 *(.text.init.refok) \
216 *(.exit.text.refok) \
217 DEV_KEEP(init.text) \
218 DEV_KEEP(exit.text) \
219 CPU_KEEP(init.text) \
220 CPU_KEEP(exit.text) \
221 MEM_KEEP(init.text) \
225 /* sched.text is aling to function alignment to secure we have same
226 * address even at second ld pass when generating System.map */
229 VMLINUX_SYMBOL(__sched_text_start) = .; \
231 VMLINUX_SYMBOL(__sched_text_end) = .;
233 /* spinlock.text is aling to function alignment to secure we have same
234 * address even at second ld pass when generating System.map */
237 VMLINUX_SYMBOL(__lock_text_start) = .; \
239 VMLINUX_SYMBOL(__lock_text_end) = .;
241 #define KPROBES_TEXT \
243 VMLINUX_SYMBOL(__kprobes_text_start) = .; \
245 VMLINUX_SYMBOL(__kprobes_text_end) = .;
247 /* Section used for early init (in .S files) */
248 #define HEAD_TEXT *(.head.text)
250 /* init and exit section handling */
253 DEV_DISCARD(init.data) \
254 DEV_DISCARD(init.rodata) \
255 CPU_DISCARD(init.data) \
256 CPU_DISCARD(init.rodata) \
257 MEM_DISCARD(init.data) \
258 MEM_DISCARD(init.rodata)
262 DEV_DISCARD(init.text) \
263 CPU_DISCARD(init.text) \
264 MEM_DISCARD(init.text)
268 DEV_DISCARD(exit.data) \
269 DEV_DISCARD(exit.rodata) \
270 CPU_DISCARD(exit.data) \
271 CPU_DISCARD(exit.rodata) \
272 MEM_DISCARD(exit.data) \
273 MEM_DISCARD(exit.rodata)
277 DEV_DISCARD(exit.text) \
278 CPU_DISCARD(exit.text) \
279 MEM_DISCARD(exit.text)
281 /* DWARF debug sections.
282 Symbols in the DWARF debugging sections are relative to
283 the beginning of the section so we begin them at 0. */
284 #define DWARF_DEBUG \
286 .debug 0 : { *(.debug) } \
287 .line 0 : { *(.line) } \
288 /* GNU DWARF 1 extensions */ \
289 .debug_srcinfo 0 : { *(.debug_srcinfo) } \
290 .debug_sfnames 0 : { *(.debug_sfnames) } \
291 /* DWARF 1.1 and DWARF 2 */ \
292 .debug_aranges 0 : { *(.debug_aranges) } \
293 .debug_pubnames 0 : { *(.debug_pubnames) } \
295 .debug_info 0 : { *(.debug_info \
296 .gnu.linkonce.wi.*) } \
297 .debug_abbrev 0 : { *(.debug_abbrev) } \
298 .debug_line 0 : { *(.debug_line) } \
299 .debug_frame 0 : { *(.debug_frame) } \
300 .debug_str 0 : { *(.debug_str) } \
301 .debug_loc 0 : { *(.debug_loc) } \
302 .debug_macinfo 0 : { *(.debug_macinfo) } \
303 /* SGI/MIPS DWARF 2 extensions */ \
304 .debug_weaknames 0 : { *(.debug_weaknames) } \
305 .debug_funcnames 0 : { *(.debug_funcnames) } \
306 .debug_typenames 0 : { *(.debug_typenames) } \
307 .debug_varnames 0 : { *(.debug_varnames) } \
309 /* Stabs debugging sections. */
310 #define STABS_DEBUG \
311 .stab 0 : { *(.stab) } \
312 .stabstr 0 : { *(.stabstr) } \
313 .stab.excl 0 : { *(.stab.excl) } \
314 .stab.exclstr 0 : { *(.stab.exclstr) } \
315 .stab.index 0 : { *(.stab.index) } \
316 .stab.indexstr 0 : { *(.stab.indexstr) } \
317 .comment 0 : { *(.comment) }
321 __bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) { \
322 __start___bug_table = .; \
324 __stop___bug_table = .; \
328 .notes : AT(ADDR(.notes) - LOAD_OFFSET) { \
329 VMLINUX_SYMBOL(__start_notes) = .; \
331 VMLINUX_SYMBOL(__stop_notes) = .; \
336 *(.initcall0s.init) \
338 *(.initcall1s.init) \
340 *(.initcall2s.init) \
342 *(.initcall3s.init) \
344 *(.initcall4s.init) \
346 *(.initcall5s.init) \
347 *(.initcallrootfs.init) \
349 *(.initcall6s.init) \
353 #define PERCPU(align) \
355 __per_cpu_start = .; \
356 .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { \
358 *(.data.percpu.shared_aligned) \