git.maemo.org Git - h-e-n/blob - 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
  41 /* .data section */
  42 #define DATA_DATA                                                       \
  43         *(.data)                                                        \
  44         *(.data.init.refok)                                             \
  45         *(.ref.data)                                                    \
  46         DEV_KEEP(init.data)                                             \
  47         DEV_KEEP(exit.data)                                             \
  48         CPU_KEEP(init.data)                                             \
  49         CPU_KEEP(exit.data)                                             \
  50         MEM_KEEP(init.data)                                             \
  51         MEM_KEEP(exit.data)                                             \
  52         . = ALIGN(8);                                                   \
  53         VMLINUX_SYMBOL(__start___markers) = .;                          \
  54         *(__markers)                                                    \
  55         VMLINUX_SYMBOL(__stop___markers) = .;                           \
  56         VMLINUX_SYMBOL(__start___tracepoints) = .;                      \
  57         *(__tracepoints)                                                \
  58         VMLINUX_SYMBOL(__stop___tracepoints) = .;
  59
  60 #define RO_DATA(align)                                                  \
  61         . = ALIGN((align));                                             \
  62         .rodata           : AT(ADDR(.rodata) - LOAD_OFFSET) {           \
  63                 VMLINUX_SYMBOL(__start_rodata) = .;                     \
  64                 *(.rodata) *(.rodata.*)                                 \
  65                 *(__vermagic)           /* Kernel version magic */      \
  66                 *(__markers_strings)    /* Markers: strings */          \
  67                 *(__tracepoints_strings)/* Tracepoints: strings */      \
  68         }                                                               \
  69                                                                         \
  70         .rodata1          : AT(ADDR(.rodata1) - LOAD_OFFSET) {          \
  71                 *(.rodata1)                                             \
  72         }                                                               \
  73                                                                         \
  74         BUG_TABLE                                                       \
  75                                                                         \
  76         /* PCI quirks */                                                \
  77         .pci_fixup        : AT(ADDR(.pci_fixup) - LOAD_OFFSET) {        \
  78                 VMLINUX_SYMBOL(__start_pci_fixups_early) = .;           \
  79                 *(.pci_fixup_early)                                     \
  80                 VMLINUX_SYMBOL(__end_pci_fixups_early) = .;             \
  81                 VMLINUX_SYMBOL(__start_pci_fixups_header) = .;          \
  82                 *(.pci_fixup_header)                                    \
  83                 VMLINUX_SYMBOL(__end_pci_fixups_header) = .;            \
  84                 VMLINUX_SYMBOL(__start_pci_fixups_final) = .;           \
  85                 *(.pci_fixup_final)                                     \
  86                 VMLINUX_SYMBOL(__end_pci_fixups_final) = .;             \
  87                 VMLINUX_SYMBOL(__start_pci_fixups_enable) = .;          \
  88                 *(.pci_fixup_enable)                                    \
  89                 VMLINUX_SYMBOL(__end_pci_fixups_enable) = .;            \
  90                 VMLINUX_SYMBOL(__start_pci_fixups_resume) = .;          \
  91                 *(.pci_fixup_resume)                                    \
  92                 VMLINUX_SYMBOL(__end_pci_fixups_resume) = .;            \
  93                 VMLINUX_SYMBOL(__start_pci_fixups_resume_early) = .;    \
  94                 *(.pci_fixup_resume_early)                              \
  95                 VMLINUX_SYMBOL(__end_pci_fixups_resume_early) = .;      \
  96                 VMLINUX_SYMBOL(__start_pci_fixups_suspend) = .;         \
  97                 *(.pci_fixup_suspend)                                   \
  98                 VMLINUX_SYMBOL(__end_pci_fixups_suspend) = .;           \
  99         }                                                               \
 100                                                                         \
 101         /* Built-in firmware blobs */                                   \
 102         .builtin_fw        : AT(ADDR(.builtin_fw) - LOAD_OFFSET) {      \
 103                 VMLINUX_SYMBOL(__start_builtin_fw) = .;                 \
 104                 *(.builtin_fw)                                          \
 105                 VMLINUX_SYMBOL(__end_builtin_fw) = .;                   \
 106         }                                                               \
 107                                                                         \
 108         /* RapidIO route ops */                                         \
 109         .rio_route        : AT(ADDR(.rio_route) - LOAD_OFFSET) {        \
 110                 VMLINUX_SYMBOL(__start_rio_route_ops) = .;              \
 111                 *(.rio_route_ops)                                       \
 112                 VMLINUX_SYMBOL(__end_rio_route_ops) = .;                \
 113         }                                                               \
 114                                                                         \
 115         TRACEDATA                                                       \
 116                                                                         \
 117         /* Kernel symbol table: Normal symbols */                       \
 118         __ksymtab         : AT(ADDR(__ksymtab) - LOAD_OFFSET) {         \
 119                 VMLINUX_SYMBOL(__start___ksymtab) = .;                  \
 120                 *(__ksymtab)                                            \
 121                 VMLINUX_SYMBOL(__stop___ksymtab) = .;                   \
 122         }                                                               \
 123                                                                         \
 124         /* Kernel symbol table: GPL-only symbols */                     \
 125         __ksymtab_gpl     : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) {     \
 126                 VMLINUX_SYMBOL(__start___ksymtab_gpl) = .;              \
 127                 *(__ksymtab_gpl)                                        \
 128                 VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .;               \
 129         }                                                               \
 130                                                                         \
 131         /* Kernel symbol table: Normal unused symbols */                \
 132         __ksymtab_unused  : AT(ADDR(__ksymtab_unused) - LOAD_OFFSET) {  \
 133                 VMLINUX_SYMBOL(__start___ksymtab_unused) = .;           \
 134                 *(__ksymtab_unused)                                     \
 135                 VMLINUX_SYMBOL(__stop___ksymtab_unused) = .;            \
 136         }                                                               \
 137                                                                         \
 138         /* Kernel symbol table: GPL-only unused symbols */              \
 139         __ksymtab_unused_gpl : AT(ADDR(__ksymtab_unused_gpl) - LOAD_OFFSET) { \
 140                 VMLINUX_SYMBOL(__start___ksymtab_unused_gpl) = .;       \
 141                 *(__ksymtab_unused_gpl)                                 \
 142                 VMLINUX_SYMBOL(__stop___ksymtab_unused_gpl) = .;        \
 143         }                                                               \
 144                                                                         \
 145         /* Kernel symbol table: GPL-future-only symbols */              \
 146         __ksymtab_gpl_future : AT(ADDR(__ksymtab_gpl_future) - LOAD_OFFSET) { \
 147                 VMLINUX_SYMBOL(__start___ksymtab_gpl_future) = .;       \
 148                 *(__ksymtab_gpl_future)                                 \
 149                 VMLINUX_SYMBOL(__stop___ksymtab_gpl_future) = .;        \
 150         }                                                               \
 151                                                                         \
 152         /* Kernel symbol table: Normal symbols */                       \
 153         __kcrctab         : AT(ADDR(__kcrctab) - LOAD_OFFSET) {         \
 154                 VMLINUX_SYMBOL(__start___kcrctab) = .;                  \
 155                 *(__kcrctab)                                            \
 156                 VMLINUX_SYMBOL(__stop___kcrctab) = .;                   \
 157         }                                                               \
 158                                                                         \
 159         /* Kernel symbol table: GPL-only symbols */                     \
 160         __kcrctab_gpl     : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) {     \
 161                 VMLINUX_SYMBOL(__start___kcrctab_gpl) = .;              \
 162                 *(__kcrctab_gpl)                                        \
 163                 VMLINUX_SYMBOL(__stop___kcrctab_gpl) = .;               \
 164         }                                                               \
 165                                                                         \
 166         /* Kernel symbol table: Normal unused symbols */                \
 167         __kcrctab_unused  : AT(ADDR(__kcrctab_unused) - LOAD_OFFSET) {  \
 168                 VMLINUX_SYMBOL(__start___kcrctab_unused) = .;           \
 169                 *(__kcrctab_unused)                                     \
 170                 VMLINUX_SYMBOL(__stop___kcrctab_unused) = .;            \
 171         }                                                               \
 172                                                                         \
 173         /* Kernel symbol table: GPL-only unused symbols */              \
 174         __kcrctab_unused_gpl : AT(ADDR(__kcrctab_unused_gpl) - LOAD_OFFSET) { \
 175                 VMLINUX_SYMBOL(__start___kcrctab_unused_gpl) = .;       \
 176                 *(__kcrctab_unused_gpl)                                 \
 177                 VMLINUX_SYMBOL(__stop___kcrctab_unused_gpl) = .;        \
 178         }                                                               \
 179                                                                         \
 180         /* Kernel symbol table: GPL-future-only symbols */              \
 181         __kcrctab_gpl_future : AT(ADDR(__kcrctab_gpl_future) - LOAD_OFFSET) { \
 182                 VMLINUX_SYMBOL(__start___kcrctab_gpl_future) = .;       \
 183                 *(__kcrctab_gpl_future)                                 \
 184                 VMLINUX_SYMBOL(__stop___kcrctab_gpl_future) = .;        \
 185         }                                                               \
 186                                                                         \
 187         /* Kernel symbol table: strings */                              \
 188         __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \
 189                 *(__ksymtab_strings)                                    \
 190         }                                                               \
 191                                                                         \
 192         /* __*init sections */                                          \
 193         __init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) {         \
 194                 *(.ref.rodata)                                          \
 195                 DEV_KEEP(init.rodata)                                   \
 196                 DEV_KEEP(exit.rodata)                                   \
 197                 CPU_KEEP(init.rodata)                                   \
 198                 CPU_KEEP(exit.rodata)                                   \
 199                 MEM_KEEP(init.rodata)                                   \
 200                 MEM_KEEP(exit.rodata)                                   \
 201         }                                                               \
 202                                                                         \
 203         /* Built-in module parameters. */                               \
 204         __param : AT(ADDR(__param) - LOAD_OFFSET) {                     \
 205                 VMLINUX_SYMBOL(__start___param) = .;                    \
 206                 *(__param)                                              \
 207                 VMLINUX_SYMBOL(__stop___param) = .;                     \
 208                 . = ALIGN((align));                                     \
 209                 VMLINUX_SYMBOL(__end_rodata) = .;                       \
 210         }                                                               \
 211         . = ALIGN((align));
 212
 213 /* RODATA provided for backward compatibility.
 214  * All archs are supposed to use RO_DATA() */
 215 #define RODATA RO_DATA(4096)
 216
 217 #define SECURITY_INIT                                                   \
 218         .security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
 219                 VMLINUX_SYMBOL(__security_initcall_start) = .;          \
 220                 *(.security_initcall.init)                              \
 221                 VMLINUX_SYMBOL(__security_initcall_end) = .;            \
 222         }
 223
 224 /* .text section. Map to function alignment to avoid address changes
 225  * during second ld run in second ld pass when generating System.map */
 226 #define TEXT_TEXT                                                       \
 227                 ALIGN_FUNCTION();                                       \
 228                 *(.text.hot)                                            \
 229                 *(.text)                                                \
 230                 *(.ref.text)                                            \
 231                 *(.text.init.refok)                                     \
 232                 *(.exit.text.refok)                                     \
 233         DEV_KEEP(init.text)                                             \
 234         DEV_KEEP(exit.text)                                             \
 235         CPU_KEEP(init.text)                                             \
 236         CPU_KEEP(exit.text)                                             \
 237         MEM_KEEP(init.text)                                             \
 238         MEM_KEEP(exit.text)                                             \
 239                 *(.text.unlikely)
 240
 241
 242 /* sched.text is aling to function alignment to secure we have same
 243  * address even at second ld pass when generating System.map */
 244 #define SCHED_TEXT                                                      \
 245                 ALIGN_FUNCTION();                                       \
 246                 VMLINUX_SYMBOL(__sched_text_start) = .;                 \
 247                 *(.sched.text)                                          \
 248                 VMLINUX_SYMBOL(__sched_text_end) = .;
 249
 250 /* spinlock.text is aling to function alignment to secure we have same
 251  * address even at second ld pass when generating System.map */
 252 #define LOCK_TEXT                                                       \
 253                 ALIGN_FUNCTION();                                       \
 254                 VMLINUX_SYMBOL(__lock_text_start) = .;                  \
 255                 *(.spinlock.text)                                       \
 256                 VMLINUX_SYMBOL(__lock_text_end) = .;
 257
 258 #define KPROBES_TEXT                                                    \
 259                 ALIGN_FUNCTION();                                       \
 260                 VMLINUX_SYMBOL(__kprobes_text_start) = .;               \
 261                 *(.kprobes.text)                                        \
 262                 VMLINUX_SYMBOL(__kprobes_text_end) = .;
 263
 264 /* Section used for early init (in .S files) */
 265 #define HEAD_TEXT  *(.head.text)
 266
 267 /* init and exit section handling */
 268 #define INIT_DATA                                                       \
 269         *(.init.data)                                                   \
 270         DEV_DISCARD(init.data)                                          \
 271         DEV_DISCARD(init.rodata)                                        \
 272         CPU_DISCARD(init.data)                                          \
 273         CPU_DISCARD(init.rodata)                                        \
 274         MEM_DISCARD(init.data)                                          \
 275         MEM_DISCARD(init.rodata)
 276
 277 #define INIT_TEXT                                                       \
 278         *(.init.text)                                                   \
 279         DEV_DISCARD(init.text)                                          \
 280         CPU_DISCARD(init.text)                                          \
 281         MEM_DISCARD(init.text)
 282
 283 #define EXIT_DATA                                                       \
 284         *(.exit.data)                                                   \
 285         DEV_DISCARD(exit.data)                                          \
 286         DEV_DISCARD(exit.rodata)                                        \
 287         CPU_DISCARD(exit.data)                                          \
 288         CPU_DISCARD(exit.rodata)                                        \
 289         MEM_DISCARD(exit.data)                                          \
 290         MEM_DISCARD(exit.rodata)
 291
 292 #define EXIT_TEXT                                                       \
 293         *(.exit.text)                                                   \
 294         DEV_DISCARD(exit.text)                                          \
 295         CPU_DISCARD(exit.text)                                          \
 296         MEM_DISCARD(exit.text)
 297
 298                 /* DWARF debug sections.
 299                 Symbols in the DWARF debugging sections are relative to
 300                 the beginning of the section so we begin them at 0.  */
 301 #define DWARF_DEBUG                                                     \
 302                 /* DWARF 1 */                                           \
 303                 .debug          0 : { *(.debug) }                       \
 304                 .line           0 : { *(.line) }                        \
 305                 /* GNU DWARF 1 extensions */                            \
 306                 .debug_srcinfo  0 : { *(.debug_srcinfo) }               \
 307                 .debug_sfnames  0 : { *(.debug_sfnames) }               \
 308                 /* DWARF 1.1 and DWARF 2 */                             \
 309                 .debug_aranges  0 : { *(.debug_aranges) }               \
 310                 .debug_pubnames 0 : { *(.debug_pubnames) }              \
 311                 /* DWARF 2 */                                           \
 312                 .debug_info     0 : { *(.debug_info                     \
 313                                 .gnu.linkonce.wi.*) }                   \
 314                 .debug_abbrev   0 : { *(.debug_abbrev) }                \
 315                 .debug_line     0 : { *(.debug_line) }                  \
 316                 .debug_frame    0 : { *(.debug_frame) }                 \
 317                 .debug_str      0 : { *(.debug_str) }                   \
 318                 .debug_loc      0 : { *(.debug_loc) }                   \
 319                 .debug_macinfo  0 : { *(.debug_macinfo) }               \
 320                 /* SGI/MIPS DWARF 2 extensions */                       \
 321                 .debug_weaknames 0 : { *(.debug_weaknames) }            \
 322                 .debug_funcnames 0 : { *(.debug_funcnames) }            \
 323                 .debug_typenames 0 : { *(.debug_typenames) }            \
 324                 .debug_varnames  0 : { *(.debug_varnames) }             \
 325
 326                 /* Stabs debugging sections.  */
 327 #define STABS_DEBUG                                                     \
 328                 .stab 0 : { *(.stab) }                                  \
 329                 .stabstr 0 : { *(.stabstr) }                            \
 330                 .stab.excl 0 : { *(.stab.excl) }                        \
 331                 .stab.exclstr 0 : { *(.stab.exclstr) }                  \
 332                 .stab.index 0 : { *(.stab.index) }                      \
 333                 .stab.indexstr 0 : { *(.stab.indexstr) }                \
 334                 .comment 0 : { *(.comment) }
 335
 336 #ifdef CONFIG_GENERIC_BUG
 337 #define BUG_TABLE                                                       \
 338         . = ALIGN(8);                                                   \
 339         __bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) {             \
 340                 VMLINUX_SYMBOL(__start___bug_table) = .;                \
 341                 *(__bug_table)                                          \
 342                 VMLINUX_SYMBOL(__stop___bug_table) = .;                 \
 343         }
 344 #else
 345 #define BUG_TABLE
 346 #endif
 347
 348 #ifdef CONFIG_PM_TRACE
 349 #define TRACEDATA                                                       \
 350         . = ALIGN(4);                                                   \
 351         .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) {               \
 352                 VMLINUX_SYMBOL(__tracedata_start) = .;                  \
 353                 *(.tracedata)                                           \
 354                 VMLINUX_SYMBOL(__tracedata_end) = .;                    \
 355         }
 356 #else
 357 #define TRACEDATA
 358 #endif
 359
 360 #define NOTES                                                           \
 361         .notes : AT(ADDR(.notes) - LOAD_OFFSET) {                       \
 362                 VMLINUX_SYMBOL(__start_notes) = .;                      \
 363                 *(.note.*)                                              \
 364                 VMLINUX_SYMBOL(__stop_notes) = .;                       \
 365         }
 366
 367 #define INITCALLS                                                       \
 368         *(.initcallearly.init)                                          \
 369         VMLINUX_SYMBOL(__early_initcall_end) = .;                       \
 370         *(.initcall0.init)                                              \
 371         *(.initcall0s.init)                                             \
 372         *(.initcall1.init)                                              \
 373         *(.initcall1s.init)                                             \
 374         *(.initcall2.init)                                              \
 375         *(.initcall2s.init)                                             \
 376         *(.initcall3.init)                                              \
 377         *(.initcall3s.init)                                             \
 378         *(.initcall4.init)                                              \
 379         *(.initcall4s.init)                                             \
 380         *(.initcall5.init)                                              \
 381         *(.initcall5s.init)                                             \
 382         *(.initcallrootfs.init)                                         \
 383         *(.initcall6.init)                                              \
 384         *(.initcall6s.init)                                             \
 385         *(.initcall7.init)                                              \
 386         *(.initcall7s.init)
 387
 388 #define PERCPU(align)                                                   \
 389         . = ALIGN(align);                                               \
 390         VMLINUX_SYMBOL(__per_cpu_start) = .;                            \
 391         .data.percpu  : AT(ADDR(.data.percpu) - LOAD_OFFSET) {          \
 392                 *(.data.percpu.page_aligned)                            \
 393                 *(.data.percpu)                                         \
 394                 *(.data.percpu.shared_aligned)                          \
 395         }                                                               \
 396         VMLINUX_SYMBOL(__per_cpu_end) = .;