blob: 0240e0506a078582e6544aa7b2d4ab57ef711df2 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef LOAD_OFFSET
2#define LOAD_OFFSET 0
3#endif
4
5#ifndef VMLINUX_SYMBOL
6#define VMLINUX_SYMBOL(_sym_) _sym_
7#endif
8
Sam Ravnborg6d30e3a82005-07-14 20:15:44 +00009/* Align . to a 8 byte boundary equals to maximum function alignment. */
10#define ALIGN_FUNCTION() . = ALIGN(8)
11
Sam Ravnborgca967252007-05-17 13:38:44 +020012/* .data section */
13#define DATA_DATA \
Sam Ravnborg0e0d3142007-05-17 20:14:48 +020014 *(.data) \
15 *(.data.init.refok)
Sam Ravnborgca967252007-05-17 13:38:44 +020016
Sam Ravnborg4096b462007-05-29 21:29:00 +020017#define RO_DATA(align) \
18 . = ALIGN((align)); \
Linus Torvalds1da177e2005-04-16 15:20:36 -070019 .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \
Vivek Goyal65695802006-12-07 02:14:03 +010020 VMLINUX_SYMBOL(__start_rodata) = .; \
Linus Torvalds1da177e2005-04-16 15:20:36 -070021 *(.rodata) *(.rodata.*) \
22 *(__vermagic) /* Kernel version magic */ \
23 } \
24 \
25 .rodata1 : AT(ADDR(.rodata1) - LOAD_OFFSET) { \
26 *(.rodata1) \
27 } \
28 \
29 /* PCI quirks */ \
30 .pci_fixup : AT(ADDR(.pci_fixup) - LOAD_OFFSET) { \
31 VMLINUX_SYMBOL(__start_pci_fixups_early) = .; \
32 *(.pci_fixup_early) \
33 VMLINUX_SYMBOL(__end_pci_fixups_early) = .; \
34 VMLINUX_SYMBOL(__start_pci_fixups_header) = .; \
35 *(.pci_fixup_header) \
36 VMLINUX_SYMBOL(__end_pci_fixups_header) = .; \
37 VMLINUX_SYMBOL(__start_pci_fixups_final) = .; \
38 *(.pci_fixup_final) \
39 VMLINUX_SYMBOL(__end_pci_fixups_final) = .; \
40 VMLINUX_SYMBOL(__start_pci_fixups_enable) = .; \
41 *(.pci_fixup_enable) \
42 VMLINUX_SYMBOL(__end_pci_fixups_enable) = .; \
Alan Cox1597cac2006-12-04 15:14:45 -080043 VMLINUX_SYMBOL(__start_pci_fixups_resume) = .; \
44 *(.pci_fixup_resume) \
45 VMLINUX_SYMBOL(__end_pci_fixups_resume) = .; \
Linus Torvalds1da177e2005-04-16 15:20:36 -070046 } \
47 \
Matt Porter394b7012005-11-07 01:00:15 -080048 /* RapidIO route ops */ \
49 .rio_route : AT(ADDR(.rio_route) - LOAD_OFFSET) { \
50 VMLINUX_SYMBOL(__start_rio_route_ops) = .; \
51 *(.rio_route_ops) \
52 VMLINUX_SYMBOL(__end_rio_route_ops) = .; \
53 } \
54 \
Linus Torvalds1da177e2005-04-16 15:20:36 -070055 /* Kernel symbol table: Normal symbols */ \
56 __ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \
57 VMLINUX_SYMBOL(__start___ksymtab) = .; \
58 *(__ksymtab) \
59 VMLINUX_SYMBOL(__stop___ksymtab) = .; \
60 } \
61 \
62 /* Kernel symbol table: GPL-only symbols */ \
63 __ksymtab_gpl : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) { \
64 VMLINUX_SYMBOL(__start___ksymtab_gpl) = .; \
65 *(__ksymtab_gpl) \
66 VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .; \
67 } \
68 \
Arjan van de Venf71d20e2006-06-28 04:26:45 -070069 /* Kernel symbol table: Normal unused symbols */ \
70 __ksymtab_unused : AT(ADDR(__ksymtab_unused) - LOAD_OFFSET) { \
71 VMLINUX_SYMBOL(__start___ksymtab_unused) = .; \
72 *(__ksymtab_unused) \
73 VMLINUX_SYMBOL(__stop___ksymtab_unused) = .; \
74 } \
75 \
76 /* Kernel symbol table: GPL-only unused symbols */ \
77 __ksymtab_unused_gpl : AT(ADDR(__ksymtab_unused_gpl) - LOAD_OFFSET) { \
78 VMLINUX_SYMBOL(__start___ksymtab_unused_gpl) = .; \
79 *(__ksymtab_unused_gpl) \
80 VMLINUX_SYMBOL(__stop___ksymtab_unused_gpl) = .; \
81 } \
82 \
Greg Kroah-Hartman9f28bb72006-03-20 13:17:13 -080083 /* Kernel symbol table: GPL-future-only symbols */ \
84 __ksymtab_gpl_future : AT(ADDR(__ksymtab_gpl_future) - LOAD_OFFSET) { \
85 VMLINUX_SYMBOL(__start___ksymtab_gpl_future) = .; \
86 *(__ksymtab_gpl_future) \
87 VMLINUX_SYMBOL(__stop___ksymtab_gpl_future) = .; \
88 } \
89 \
Linus Torvalds1da177e2005-04-16 15:20:36 -070090 /* Kernel symbol table: Normal symbols */ \
91 __kcrctab : AT(ADDR(__kcrctab) - LOAD_OFFSET) { \
92 VMLINUX_SYMBOL(__start___kcrctab) = .; \
93 *(__kcrctab) \
94 VMLINUX_SYMBOL(__stop___kcrctab) = .; \
95 } \
96 \
97 /* Kernel symbol table: GPL-only symbols */ \
98 __kcrctab_gpl : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) { \
99 VMLINUX_SYMBOL(__start___kcrctab_gpl) = .; \
100 *(__kcrctab_gpl) \
101 VMLINUX_SYMBOL(__stop___kcrctab_gpl) = .; \
102 } \
103 \
Arjan van de Venf71d20e2006-06-28 04:26:45 -0700104 /* Kernel symbol table: Normal unused symbols */ \
105 __kcrctab_unused : AT(ADDR(__kcrctab_unused) - LOAD_OFFSET) { \
106 VMLINUX_SYMBOL(__start___kcrctab_unused) = .; \
107 *(__kcrctab_unused) \
108 VMLINUX_SYMBOL(__stop___kcrctab_unused) = .; \
109 } \
110 \
111 /* Kernel symbol table: GPL-only unused symbols */ \
112 __kcrctab_unused_gpl : AT(ADDR(__kcrctab_unused_gpl) - LOAD_OFFSET) { \
113 VMLINUX_SYMBOL(__start___kcrctab_unused_gpl) = .; \
114 *(__kcrctab_unused_gpl) \
115 VMLINUX_SYMBOL(__stop___kcrctab_unused_gpl) = .; \
116 } \
117 \
Greg Kroah-Hartman9f28bb72006-03-20 13:17:13 -0800118 /* Kernel symbol table: GPL-future-only symbols */ \
119 __kcrctab_gpl_future : AT(ADDR(__kcrctab_gpl_future) - LOAD_OFFSET) { \
120 VMLINUX_SYMBOL(__start___kcrctab_gpl_future) = .; \
121 *(__kcrctab_gpl_future) \
122 VMLINUX_SYMBOL(__stop___kcrctab_gpl_future) = .; \
123 } \
124 \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125 /* Kernel symbol table: strings */ \
126 __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \
127 *(__ksymtab_strings) \
128 } \
129 \
130 /* Built-in module parameters. */ \
131 __param : AT(ADDR(__param) - LOAD_OFFSET) { \
132 VMLINUX_SYMBOL(__start___param) = .; \
133 *(__param) \
134 VMLINUX_SYMBOL(__stop___param) = .; \
Vivek Goyal65695802006-12-07 02:14:03 +0100135 VMLINUX_SYMBOL(__end_rodata) = .; \
Marcelo Tosatti7583ddf2006-09-27 01:51:02 -0700136 } \
Jan Beulich690a973f2006-10-21 18:37:01 +0200137 \
Sam Ravnborg4096b462007-05-29 21:29:00 +0200138 . = ALIGN((align));
139
140/* RODATA provided for backward compatibility.
141 * All archs are supposed to use RO_DATA() */
142#define RODATA RO_DATA(4096)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700143
144#define SECURITY_INIT \
Eric W. Biederman60bad7f2005-06-25 14:57:46 -0700145 .security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146 VMLINUX_SYMBOL(__security_initcall_start) = .; \
147 *(.security_initcall.init) \
148 VMLINUX_SYMBOL(__security_initcall_end) = .; \
149 }
150
Sam Ravnborg76647092007-05-13 00:31:33 +0200151/* .text section. Map to function alignment to avoid address changes
152 * during second ld run in second ld pass when generating System.map */
153#define TEXT_TEXT \
154 ALIGN_FUNCTION(); \
Sam Ravnborg0e0d3142007-05-17 20:14:48 +0200155 *(.text) \
156 *(.text.init.refok)
Sam Ravnborg76647092007-05-13 00:31:33 +0200157
Sam Ravnborg6d30e3a82005-07-14 20:15:44 +0000158/* sched.text is aling to function alignment to secure we have same
159 * address even at second ld pass when generating System.map */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700160#define SCHED_TEXT \
Sam Ravnborg6d30e3a82005-07-14 20:15:44 +0000161 ALIGN_FUNCTION(); \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162 VMLINUX_SYMBOL(__sched_text_start) = .; \
163 *(.sched.text) \
164 VMLINUX_SYMBOL(__sched_text_end) = .;
165
Sam Ravnborg6d30e3a82005-07-14 20:15:44 +0000166/* spinlock.text is aling to function alignment to secure we have same
167 * address even at second ld pass when generating System.map */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168#define LOCK_TEXT \
Sam Ravnborg6d30e3a82005-07-14 20:15:44 +0000169 ALIGN_FUNCTION(); \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700170 VMLINUX_SYMBOL(__lock_text_start) = .; \
171 *(.spinlock.text) \
172 VMLINUX_SYMBOL(__lock_text_end) = .;
Prasanna S Panchamukhid0aaff92005-09-06 15:19:26 -0700173
174#define KPROBES_TEXT \
175 ALIGN_FUNCTION(); \
176 VMLINUX_SYMBOL(__kprobes_text_start) = .; \
177 *(.kprobes.text) \
178 VMLINUX_SYMBOL(__kprobes_text_end) = .;
Paolo 'Blaisorblade' Giarrussoa7d0c212005-09-10 19:44:54 +0200179
180 /* DWARF debug sections.
181 Symbols in the DWARF debugging sections are relative to
182 the beginning of the section so we begin them at 0. */
183#define DWARF_DEBUG \
184 /* DWARF 1 */ \
185 .debug 0 : { *(.debug) } \
186 .line 0 : { *(.line) } \
187 /* GNU DWARF 1 extensions */ \
188 .debug_srcinfo 0 : { *(.debug_srcinfo) } \
189 .debug_sfnames 0 : { *(.debug_sfnames) } \
190 /* DWARF 1.1 and DWARF 2 */ \
191 .debug_aranges 0 : { *(.debug_aranges) } \
192 .debug_pubnames 0 : { *(.debug_pubnames) } \
193 /* DWARF 2 */ \
194 .debug_info 0 : { *(.debug_info \
195 .gnu.linkonce.wi.*) } \
196 .debug_abbrev 0 : { *(.debug_abbrev) } \
197 .debug_line 0 : { *(.debug_line) } \
198 .debug_frame 0 : { *(.debug_frame) } \
199 .debug_str 0 : { *(.debug_str) } \
200 .debug_loc 0 : { *(.debug_loc) } \
201 .debug_macinfo 0 : { *(.debug_macinfo) } \
202 /* SGI/MIPS DWARF 2 extensions */ \
203 .debug_weaknames 0 : { *(.debug_weaknames) } \
204 .debug_funcnames 0 : { *(.debug_funcnames) } \
205 .debug_typenames 0 : { *(.debug_typenames) } \
206 .debug_varnames 0 : { *(.debug_varnames) } \
207
208 /* Stabs debugging sections. */
209#define STABS_DEBUG \
210 .stab 0 : { *(.stab) } \
211 .stabstr 0 : { *(.stabstr) } \
212 .stab.excl 0 : { *(.stab.excl) } \
213 .stab.exclstr 0 : { *(.stab.exclstr) } \
214 .stab.index 0 : { *(.stab.index) } \
215 .stab.indexstr 0 : { *(.stab.indexstr) } \
216 .comment 0 : { *(.comment) }
Jeremy Fitzhardinge9c9b8b32006-09-25 23:32:26 -0700217
Jeremy Fitzhardinge7664c5a2006-12-08 02:36:19 -0800218#define BUG_TABLE \
219 . = ALIGN(8); \
220 __bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) { \
221 __start___bug_table = .; \
222 *(__bug_table) \
223 __stop___bug_table = .; \
224 }
225
Jeremy Fitzhardinge9c9b8b32006-09-25 23:32:26 -0700226#define NOTES \
Roland McGrathcbe87122007-07-19 01:48:36 -0700227 .notes : AT(ADDR(.notes) - LOAD_OFFSET) { \
228 VMLINUX_SYMBOL(__start_notes) = .; \
229 *(.note.*) \
230 VMLINUX_SYMBOL(__stop_notes) = .; \
231 }
Andrew Morton61ce1ef2006-10-27 11:41:44 -0700232
233#define INITCALLS \
Linus Torvaldsb3438f82006-11-20 11:47:18 -0800234 *(.initcall0.init) \
235 *(.initcall0s.init) \
Andrew Morton61ce1ef2006-10-27 11:41:44 -0700236 *(.initcall1.init) \
Andrew Morton735a7ff2006-10-27 11:42:37 -0700237 *(.initcall1s.init) \
Andrew Morton61ce1ef2006-10-27 11:41:44 -0700238 *(.initcall2.init) \
Andrew Morton735a7ff2006-10-27 11:42:37 -0700239 *(.initcall2s.init) \
Andrew Morton61ce1ef2006-10-27 11:41:44 -0700240 *(.initcall3.init) \
Andrew Morton735a7ff2006-10-27 11:42:37 -0700241 *(.initcall3s.init) \
Andrew Morton61ce1ef2006-10-27 11:41:44 -0700242 *(.initcall4.init) \
Andrew Morton735a7ff2006-10-27 11:42:37 -0700243 *(.initcall4s.init) \
Andrew Morton61ce1ef2006-10-27 11:41:44 -0700244 *(.initcall5.init) \
Andrew Morton735a7ff2006-10-27 11:42:37 -0700245 *(.initcall5s.init) \
Linus Torvalds8d610dd2006-12-11 12:12:04 -0800246 *(.initcallrootfs.init) \
Andrew Morton61ce1ef2006-10-27 11:41:44 -0700247 *(.initcall6.init) \
Andrew Morton735a7ff2006-10-27 11:42:37 -0700248 *(.initcall6s.init) \
249 *(.initcall7.init) \
250 *(.initcall7s.init)
Andrew Morton61ce1ef2006-10-27 11:41:44 -0700251
Fenghua Yu5fb7dc32007-07-19 01:48:12 -0700252#define PERCPU(align) \
253 . = ALIGN(align); \
254 __per_cpu_start = .; \
255 .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { \
256 *(.data.percpu) \
257 *(.data.percpu.shared_aligned) \
258 } \
259 __per_cpu_end = .;