| 1 | |
| 2 | * Helper macros to support writing architecture specific
|
| 3 | * linker scripts.
|
| 4 | *
|
| 5 | * A minimal linker scripts has following content:
|
| 6 | * [This is a sample, architectures may have special requiriements]
|
| 7 | *
|
| 8 | * OUTPUT_FORMAT(...)
|
| 9 | * OUTPUT_ARCH(...)
|
| 10 | * ENTRY(...)
|
| 11 | * SECTIONS
|
| 12 | * {
|
| 13 | * . = START;
|
| 14 | * __init_begin = .;
|
| 15 | * HEAD_TEXT_SECTION
|
| 16 | * INIT_TEXT_SECTION(PAGE_SIZE)
|
| 17 | * INIT_DATA_SECTION(...)
|
| 18 | * PERCPU_SECTION(CACHELINE_SIZE)
|
| 19 | * __init_end = .;
|
| 20 | *
|
| 21 | * _stext = .;
|
| 22 | * TEXT_SECTION = 0
|
| 23 | * _etext = .;
|
| 24 | *
|
| 25 | * _sdata = .;
|
| 26 | * RO_DATA_SECTION(PAGE_SIZE)
|
| 27 | * RW_DATA_SECTION(...)
|
| 28 | * _edata = .;
|
| 29 | *
|
| 30 | * EXCEPTION_TABLE(...)
|
| 31 | * NOTES
|
| 32 | *
|
| 33 | * BSS_SECTION(0, 0, 0)
|
| 34 | * _end = .;
|
| 35 | *
|
| 36 | * STABS_DEBUG
|
| 37 | * DWARF_DEBUG
|
| 38 | *
|
| 39 | * DISCARDS // must be the last
|
| 40 | * }
|
| 41 | *
|
| 42 | * [__init_begin, __init_end] is the init section that may be freed after init
|
| 43 | * // __init_begin and __init_end should be page aligned, so that we can
|
| 44 | * // free the whole .init memory
|
| 45 | * [_stext, _etext] is the text section
|
| 46 | * [_sdata, _edata] is the data section
|
| 47 | *
|
| 48 | * Some of the included output section have their own set of constants.
|
| 49 | * Examples are: [__initramfs_start, __initramfs_end] for initramfs and
|
| 50 | * [__nosave_begin, __nosave_end] for the nosave data
|
| 51 |
|
| 52 |
|
| 53 | #ifndef LOAD_OFFSET
|
| 54 | #define LOAD_OFFSET 0
|
| 55 | #endif
|
| 56 |
|
| 57 | #include <linux/export.h>
|
| 58 |
|
| 59 |
|
| 60 | #define ALIGN_FUNCTION() . = ALIGN(8)
|
| 61 |
|
| 62 | |
| 63 | * LD_DEAD_CODE_DATA_ELIMINATION option enables -fdata-sections, which
|
| 64 | * generates .data.identifier sections, which need to be pulled in with
|
| 65 | * .data. We don't want to pull in .data..other sections, which Linux
|
| 66 | * has defined. Same for text and bss.
|
| 67 |
|
| 68 | #ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
|
| 69 | #define TEXT_MAIN .text .text.[0-9a-zA-Z_]*
|
| 70 | #define DATA_MAIN .data .data.[0-9a-zA-Z_]*
|
| 71 | #define BSS_MAIN .bss .bss.[0-9a-zA-Z_]*
|
| 72 | #else
|
| 73 | #define TEXT_MAIN .text
|
| 74 | #define DATA_MAIN .data
|
| 75 | #define BSS_MAIN .bss
|
| 76 | #endif
|
| 77 |
|
| 78 | |
| 79 | * Align to a 32 byte boundary equal to the
|
| 80 | * alignment gcc 4.5 uses for a struct
|
| 81 |
|
| 82 | #define STRUCT_ALIGNMENT 32
|
| 83 | #define STRUCT_ALIGN() . = ALIGN(STRUCT_ALIGNMENT)
|
| 84 |
|
| 85 | |
| 86 | * are handled as text/data or they can be discarded (which
|
| 87 | * often happens at runtime)
|
| 88 |
|
| 89 | #ifdef CONFIG_HOTPLUG_CPU
|
| 90 | #define CPU_KEEP(sec) *(.cpu##sec)
|
| 91 | #define CPU_DISCARD(sec)
|
| 92 | #else
|
| 93 | #define CPU_KEEP(sec)
|
| 94 | #define CPU_DISCARD(sec) *(.cpu##sec)
|
| 95 | #endif
|
| 96 |
|
| 97 | #if defined(CONFIG_MEMORY_HOTPLUG)
|
| 98 | #define MEM_KEEP(sec) *(.mem##sec)
|
| 99 | #define MEM_DISCARD(sec)
|
| 100 | #else
|
| 101 | #define MEM_KEEP(sec)
|
| 102 | #define MEM_DISCARD(sec) *(.mem##sec)
|
| 103 | #endif
|
| 104 |
|
| 105 | #ifdef CONFIG_FTRACE_MCOUNT_RECORD
|
| 106 | #define MCOUNT_REC() . = ALIGN(8); \
|
| 107 | VMLINUX_SYMBOL(__start_mcount_loc) = .; \
|
| 108 | *(__mcount_loc) \
|
| 109 | VMLINUX_SYMBOL(__stop_mcount_loc) = .;
|
| 110 | #else
|
| 111 | #define MCOUNT_REC()
|
| 112 | #endif
|
| 113 |
|
| 114 | #ifdef CONFIG_TRACE_BRANCH_PROFILING
|
| 115 | #define LIKELY_PROFILE() VMLINUX_SYMBOL(__start_annotated_branch_profile) = .; \
|
| 116 | *(_ftrace_annotated_branch) \
|
| 117 | VMLINUX_SYMBOL(__stop_annotated_branch_profile) = .;
|
| 118 | #else
|
| 119 | #define LIKELY_PROFILE()
|
| 120 | #endif
|
| 121 |
|
| 122 | #ifdef CONFIG_PROFILE_ALL_BRANCHES
|
| 123 | #define BRANCH_PROFILE() VMLINUX_SYMBOL(__start_branch_profile) = .; \
|
| 124 | *(_ftrace_branch) \
|
| 125 | VMLINUX_SYMBOL(__stop_branch_profile) = .;
|
| 126 | #else
|
| 127 | #define BRANCH_PROFILE()
|
| 128 | #endif
|
| 129 |
|
| 130 | #ifdef CONFIG_KPROBES
|
| 131 | #define KPROBE_BLACKLIST() . = ALIGN(8); \
|
| 132 | VMLINUX_SYMBOL(__start_kprobe_blacklist) = .; \
|
| 133 | KEEP(*(_kprobe_blacklist)) \
|
| 134 | VMLINUX_SYMBOL(__stop_kprobe_blacklist) = .;
|
| 135 | #else
|
| 136 | #define KPROBE_BLACKLIST()
|
| 137 | #endif
|
| 138 |
|
| 139 | #ifdef CONFIG_EVENT_TRACING
|
| 140 | #define FTRACE_EVENTS() . = ALIGN(8); \
|
| 141 | VMLINUX_SYMBOL(__start_ftrace_events) = .; \
|
| 142 | KEEP(*(_ftrace_events)) \
|
| 143 | VMLINUX_SYMBOL(__stop_ftrace_events) = .; \
|
| 144 | VMLINUX_SYMBOL(__start_ftrace_eval_maps) = .; \
|
| 145 | KEEP(*(_ftrace_eval_map)) \
|
| 146 | VMLINUX_SYMBOL(__stop_ftrace_eval_maps) = .;
|
| 147 | #else
|
| 148 | #define FTRACE_EVENTS()
|
| 149 | #endif
|
| 150 |
|
| 151 | #ifdef CONFIG_TRACING
|
| 152 | #define TRACE_PRINTKS() VMLINUX_SYMBOL(__start___trace_bprintk_fmt) = .; \
|
| 153 | KEEP(*(__trace_printk_fmt)) \
|
| 154 | VMLINUX_SYMBOL(__stop___trace_bprintk_fmt) = .;
|
| 155 | #define TRACEPOINT_STR() VMLINUX_SYMBOL(__start___tracepoint_str) = .; \
|
| 156 | KEEP(*(__tracepoint_str)) \
|
| 157 | VMLINUX_SYMBOL(__stop___tracepoint_str) = .;
|
| 158 | #else
|
| 159 | #define TRACE_PRINTKS()
|
| 160 | #define TRACEPOINT_STR()
|
| 161 | #endif
|
| 162 |
|
| 163 | #ifdef CONFIG_FTRACE_SYSCALLS
|
| 164 | #define TRACE_SYSCALLS() . = ALIGN(8); \
|
| 165 | VMLINUX_SYMBOL(__start_syscalls_metadata) = .; \
|
| 166 | KEEP(*(__syscalls_metadata)) \
|
| 167 | VMLINUX_SYMBOL(__stop_syscalls_metadata) = .;
|
| 168 | #else
|
| 169 | #define TRACE_SYSCALLS()
|
| 170 | #endif
|
| 171 |
|
| 172 | #ifdef CONFIG_SERIAL_EARLYCON
|
| 173 | #define EARLYCON_TABLE() STRUCT_ALIGN(); \
|
| 174 | VMLINUX_SYMBOL(__earlycon_table) = .; \
|
| 175 | KEEP(*(__earlycon_table)) \
|
| 176 | VMLINUX_SYMBOL(__earlycon_table_end) = .;
|
| 177 | #else
|
| 178 | #define EARLYCON_TABLE()
|
| 179 | #endif
|
| 180 |
|
| 181 | #define ___OF_TABLE(cfg, name) _OF_TABLE_##cfg(name)
|
| 182 | #define __OF_TABLE(cfg, name) ___OF_TABLE(cfg, name)
|
| 183 | #define OF_TABLE(cfg, name) __OF_TABLE(IS_ENABLED(cfg), name)
|
| 184 | #define _OF_TABLE_0(name)
|
| 185 | #define _OF_TABLE_1(name) \
|
| 186 | . = ALIGN(8); \
|
| 187 | VMLINUX_SYMBOL(__##name##_of_table) = .; \
|
| 188 | KEEP(*(__##name##_of_table)) \
|
| 189 | KEEP(*(__##name##_of_table_end))
|
| 190 |
|
| 191 | #define TIMER_OF_TABLES() OF_TABLE(CONFIG_TIMER_OF, timer)
|
| 192 | #define IRQCHIP_OF_MATCH_TABLE() OF_TABLE(CONFIG_IRQCHIP, irqchip)
|
| 193 | #define CLK_OF_TABLES() OF_TABLE(CONFIG_COMMON_CLK, clk)
|
| 194 | #define IOMMU_OF_TABLES() OF_TABLE(CONFIG_OF_IOMMU, iommu)
|
| 195 | #define RESERVEDMEM_OF_TABLES() OF_TABLE(CONFIG_OF_RESERVED_MEM, reservedmem)
|
| 196 | #define CPU_METHOD_OF_TABLES() OF_TABLE(CONFIG_SMP, cpu_method)
|
| 197 | #define CPUIDLE_METHOD_OF_TABLES() OF_TABLE(CONFIG_CPU_IDLE, cpuidle_method)
|
| 198 |
|
| 199 | #ifdef CONFIG_ACPI
|
| 200 | #define ACPI_PROBE_TABLE(name) \
|
| 201 | . = ALIGN(8); \
|
| 202 | VMLINUX_SYMBOL(__##name##_acpi_probe_table) = .; \
|
| 203 | KEEP(*(__##name##_acpi_probe_table)) \
|
| 204 | VMLINUX_SYMBOL(__##name##_acpi_probe_table_end) = .;
|
| 205 | #else
|
| 206 | #define ACPI_PROBE_TABLE(name)
|
| 207 | #endif
|
| 208 |
|
| 209 | #define KERNEL_DTB() \
|
| 210 | STRUCT_ALIGN(); \
|
| 211 | VMLINUX_SYMBOL(__dtb_start) = .; \
|
| 212 | KEEP(*(.dtb.init.rodata)) \
|
| 213 | VMLINUX_SYMBOL(__dtb_end) = .;
|
| 214 |
|
| 215 | |
| 216 | * .data section
|
| 217 |
|
| 218 | #define DATA_DATA \
|
| 219 | *(DATA_MAIN) \
|
| 220 | *(.ref.data) \
|
| 221 | *(.data..shared_aligned) \
|
| 222 | MEM_KEEP(init.data) \
|
| 223 | MEM_KEEP(exit.data) \
|
| 224 | *(.data.unlikely) \
|
| 225 | STRUCT_ALIGN(); \
|
| 226 | *(__tracepoints) \
|
| 227 | \
|
| 228 | . = ALIGN(8); \
|
| 229 | VMLINUX_SYMBOL(__start___jump_table) = .; \
|
| 230 | KEEP(*(__jump_table)) \
|
| 231 | VMLINUX_SYMBOL(__stop___jump_table) = .; \
|
| 232 | . = ALIGN(8); \
|
| 233 | VMLINUX_SYMBOL(__start___verbose) = .; \
|
| 234 | KEEP(*(__verbose)) \
|
| 235 | VMLINUX_SYMBOL(__stop___verbose) = .; \
|
| 236 | LIKELY_PROFILE() \
|
| 237 | BRANCH_PROFILE() \
|
| 238 | TRACE_PRINTKS() \
|
| 239 | TRACEPOINT_STR()
|
| 240 |
|
| 241 | |
| 242 | * Data section helpers
|
| 243 |
|
| 244 | #define NOSAVE_DATA \
|
| 245 | . = ALIGN(PAGE_SIZE); \
|
| 246 | VMLINUX_SYMBOL(__nosave_begin) = .; \
|
| 247 | *(.data..nosave) \
|
| 248 | . = ALIGN(PAGE_SIZE); \
|
| 249 | VMLINUX_SYMBOL(__nosave_end) = .;
|
| 250 |
|
| 251 | #define PAGE_ALIGNED_DATA(page_align) \
|
| 252 | . = ALIGN(page_align); \
|
| 253 | *(.data..page_aligned)
|
| 254 |
|
| 255 | #define READ_MOSTLY_DATA(align) \
|
| 256 | . = ALIGN(align); \
|
| 257 | *(.data..read_mostly) \
|
| 258 | . = ALIGN(align);
|
| 259 |
|
| 260 | #define CACHELINE_ALIGNED_DATA(align) \
|
| 261 | . = ALIGN(align); \
|
| 262 | *(.data..cacheline_aligned)
|
| 263 |
|
| 264 | #define INIT_TASK_DATA(align) \
|
| 265 | . = ALIGN(align); \
|
| 266 | VMLINUX_SYMBOL(__start_init_task) = .; \
|
| 267 | *(.data..init_task) \
|
| 268 | VMLINUX_SYMBOL(__end_init_task) = .;
|
| 269 |
|
| 270 | |
| 271 | * Allow architectures to handle ro_after_init data on their
|
| 272 | * own by defining an empty RO_AFTER_INIT_DATA.
|
| 273 |
|
| 274 | #ifndef RO_AFTER_INIT_DATA
|
| 275 | #define RO_AFTER_INIT_DATA \
|
| 276 | VMLINUX_SYMBOL(__start_ro_after_init) = .; \
|
| 277 | *(.data..ro_after_init) \
|
| 278 | VMLINUX_SYMBOL(__end_ro_after_init) = .;
|
| 279 | #endif
|
| 280 |
|
| 281 | |
| 282 | * Read only Data
|
| 283 |
|
| 284 | #define RO_DATA_SECTION(align) \
|
| 285 | . = ALIGN((align)); \
|
| 286 | .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \
|
| 287 | VMLINUX_SYMBOL(__start_rodata) = .; \
|
| 288 | *(.rodata) *(.rodata.*) \
|
| 289 | RO_AFTER_INIT_DATA \
|
| 290 | KEEP(*(__vermagic)) \
|
| 291 | . = ALIGN(8); \
|
| 292 | VMLINUX_SYMBOL(__start___tracepoints_ptrs) = .; \
|
| 293 | KEEP(*(__tracepoints_ptrs)) \
|
| 294 | VMLINUX_SYMBOL(__stop___tracepoints_ptrs) = .; \
|
| 295 | *(__tracepoints_strings) \
|
| 296 | } \
|
| 297 | \
|
| 298 | .rodata1 : AT(ADDR(.rodata1) - LOAD_OFFSET) { \
|
| 299 | *(.rodata1) \
|
| 300 | } \
|
| 301 | \
|
| 302 | \
|
| 303 | .pci_fixup : AT(ADDR(.pci_fixup) - LOAD_OFFSET) { \
|
| 304 | VMLINUX_SYMBOL(__start_pci_fixups_early) = .; \
|
| 305 | KEEP(*(.pci_fixup_early)) \
|
| 306 | VMLINUX_SYMBOL(__end_pci_fixups_early) = .; \
|
| 307 | VMLINUX_SYMBOL(__start_pci_fixups_header) = .; \
|
| 308 | KEEP(*(.pci_fixup_header)) \
|
| 309 | VMLINUX_SYMBOL(__end_pci_fixups_header) = .; \
|
| 310 | VMLINUX_SYMBOL(__start_pci_fixups_final) = .; \
|
| 311 | KEEP(*(.pci_fixup_final)) \
|
| 312 | VMLINUX_SYMBOL(__end_pci_fixups_final) = .; \
|
| 313 | VMLINUX_SYMBOL(__start_pci_fixups_enable) = .; \
|
| 314 | KEEP(*(.pci_fixup_enable)) \
|
| 315 | VMLINUX_SYMBOL(__end_pci_fixups_enable) = .; \
|
| 316 | VMLINUX_SYMBOL(__start_pci_fixups_resume) = .; \
|
| 317 | KEEP(*(.pci_fixup_resume)) \
|
| 318 | VMLINUX_SYMBOL(__end_pci_fixups_resume) = .; \
|
| 319 | VMLINUX_SYMBOL(__start_pci_fixups_resume_early) = .; \
|
| 320 | KEEP(*(.pci_fixup_resume_early)) \
|
| 321 | VMLINUX_SYMBOL(__end_pci_fixups_resume_early) = .; \
|
| 322 | VMLINUX_SYMBOL(__start_pci_fixups_suspend) = .; \
|
| 323 | KEEP(*(.pci_fixup_suspend)) \
|
| 324 | VMLINUX_SYMBOL(__end_pci_fixups_suspend) = .; \
|
| 325 | VMLINUX_SYMBOL(__start_pci_fixups_suspend_late) = .; \
|
| 326 | KEEP(*(.pci_fixup_suspend_late)) \
|
| 327 | VMLINUX_SYMBOL(__end_pci_fixups_suspend_late) = .; \
|
| 328 | } \
|
| 329 | \
|
| 330 | \
|
| 331 | .builtin_fw : AT(ADDR(.builtin_fw) - LOAD_OFFSET) { \
|
| 332 | VMLINUX_SYMBOL(__start_builtin_fw) = .; \
|
| 333 | KEEP(*(.builtin_fw)) \
|
| 334 | VMLINUX_SYMBOL(__end_builtin_fw) = .; \
|
| 335 | } \
|
| 336 | \
|
| 337 | TRACEDATA \
|
| 338 | \
|
| 339 | \
|
| 340 | __ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \
|
| 341 | VMLINUX_SYMBOL(__start___ksymtab) = .; \
|
| 342 | KEEP(*(SORT(___ksymtab+*))) \
|
| 343 | VMLINUX_SYMBOL(__stop___ksymtab) = .; \
|
| 344 | } \
|
| 345 | \
|
| 346 | \
|
| 347 | __ksymtab_gpl : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) { \
|
| 348 | VMLINUX_SYMBOL(__start___ksymtab_gpl) = .; \
|
| 349 | KEEP(*(SORT(___ksymtab_gpl+*))) \
|
| 350 | VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .; \
|
| 351 | } \
|
| 352 | \
|
| 353 | \
|
| 354 | __ksymtab_unused : AT(ADDR(__ksymtab_unused) - LOAD_OFFSET) { \
|
| 355 | VMLINUX_SYMBOL(__start___ksymtab_unused) = .; \
|
| 356 | KEEP(*(SORT(___ksymtab_unused+*))) \
|
| 357 | VMLINUX_SYMBOL(__stop___ksymtab_unused) = .; \
|
| 358 | } \
|
| 359 | \
|
| 360 | \
|
| 361 | __ksymtab_unused_gpl : AT(ADDR(__ksymtab_unused_gpl) - LOAD_OFFSET) { \
|
| 362 | VMLINUX_SYMBOL(__start___ksymtab_unused_gpl) = .; \
|
| 363 | KEEP(*(SORT(___ksymtab_unused_gpl+*))) \
|
| 364 | VMLINUX_SYMBOL(__stop___ksymtab_unused_gpl) = .; \
|
| 365 | } \
|
| 366 | \
|
| 367 | \
|
| 368 | __ksymtab_gpl_future : AT(ADDR(__ksymtab_gpl_future) - LOAD_OFFSET) { \
|
| 369 | VMLINUX_SYMBOL(__start___ksymtab_gpl_future) = .; \
|
| 370 | KEEP(*(SORT(___ksymtab_gpl_future+*))) \
|
| 371 | VMLINUX_SYMBOL(__stop___ksymtab_gpl_future) = .; \
|
| 372 | } \
|
| 373 | \
|
| 374 | \
|
| 375 | __kcrctab : AT(ADDR(__kcrctab) - LOAD_OFFSET) { \
|
| 376 | VMLINUX_SYMBOL(__start___kcrctab) = .; \
|
| 377 | KEEP(*(SORT(___kcrctab+*))) \
|
| 378 | VMLINUX_SYMBOL(__stop___kcrctab) = .; \
|
| 379 | } \
|
| 380 | \
|
| 381 | \
|
| 382 | __kcrctab_gpl : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) { \
|
| 383 | VMLINUX_SYMBOL(__start___kcrctab_gpl) = .; \
|
| 384 | KEEP(*(SORT(___kcrctab_gpl+*))) \
|
| 385 | VMLINUX_SYMBOL(__stop___kcrctab_gpl) = .; \
|
| 386 | } \
|
| 387 | \
|
| 388 | \
|
| 389 | __kcrctab_unused : AT(ADDR(__kcrctab_unused) - LOAD_OFFSET) { \
|
| 390 | VMLINUX_SYMBOL(__start___kcrctab_unused) = .; \
|
| 391 | KEEP(*(SORT(___kcrctab_unused+*))) \
|
| 392 | VMLINUX_SYMBOL(__stop___kcrctab_unused) = .; \
|
| 393 | } \
|
| 394 | \
|
| 395 | \
|
| 396 | __kcrctab_unused_gpl : AT(ADDR(__kcrctab_unused_gpl) - LOAD_OFFSET) { \
|
| 397 | VMLINUX_SYMBOL(__start___kcrctab_unused_gpl) = .; \
|
| 398 | KEEP(*(SORT(___kcrctab_unused_gpl+*))) \
|
| 399 | VMLINUX_SYMBOL(__stop___kcrctab_unused_gpl) = .; \
|
| 400 | } \
|
| 401 | \
|
| 402 | \
|
| 403 | __kcrctab_gpl_future : AT(ADDR(__kcrctab_gpl_future) - LOAD_OFFSET) { \
|
| 404 | VMLINUX_SYMBOL(__start___kcrctab_gpl_future) = .; \
|
| 405 | KEEP(*(SORT(___kcrctab_gpl_future+*))) \
|
| 406 | VMLINUX_SYMBOL(__stop___kcrctab_gpl_future) = .; \
|
| 407 | } \
|
| 408 | \
|
| 409 | \
|
| 410 | __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \
|
| 411 | *(__ksymtab_strings) \
|
| 412 | } \
|
| 413 | \
|
| 414 | \
|
| 415 | __init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) { \
|
| 416 | *(.ref.rodata) \
|
| 417 | MEM_KEEP(init.rodata) \
|
| 418 | MEM_KEEP(exit.rodata) \
|
| 419 | } \
|
| 420 | \
|
| 421 | \
|
| 422 | __param : AT(ADDR(__param) - LOAD_OFFSET) { \
|
| 423 | VMLINUX_SYMBOL(__start___param) = .; \
|
| 424 | KEEP(*(__param)) \
|
| 425 | VMLINUX_SYMBOL(__stop___param) = .; \
|
| 426 | } \
|
| 427 | \
|
| 428 | \
|
| 429 | __modver : AT(ADDR(__modver) - LOAD_OFFSET) { \
|
| 430 | VMLINUX_SYMBOL(__start___modver) = .; \
|
| 431 | KEEP(*(__modver)) \
|
| 432 | VMLINUX_SYMBOL(__stop___modver) = .; \
|
| 433 | . = ALIGN((align)); \
|
| 434 | VMLINUX_SYMBOL(__end_rodata) = .; \
|
| 435 | } \
|
| 436 | . = ALIGN((align));
|
| 437 |
|
| 438 | |
| 439 | * All archs are supposed to use RO_DATA()
|
| 440 | #define RODATA RO_DATA_SECTION(4096)
|
| 441 | #define RO_DATA(align) RO_DATA_SECTION(align)
|
| 442 |
|
| 443 | #define SECURITY_INIT \
|
| 444 | .security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
|
| 445 | VMLINUX_SYMBOL(__security_initcall_start) = .; \
|
| 446 | KEEP(*(.security_initcall.init)) \
|
| 447 | VMLINUX_SYMBOL(__security_initcall_end) = .; \
|
| 448 | }
|
| 449 |
|
| 450 | |
| 451 | * .text section. Map to function alignment to avoid address changes
|
| 452 | * during second ld run in second ld pass when generating System.map
|
| 453 | *
|
| 454 | * TEXT_MAIN here will match .text.fixup and .text.unlikely if dead
|
| 455 | * code elimination is enabled, so these sections should be converted
|
| 456 | * to use ".." first.
|
| 457 |
|
| 458 | #define TEXT_TEXT \
|
| 459 | ALIGN_FUNCTION(); \
|
| 460 | *(.text.hot TEXT_MAIN .text.fixup .text.unlikely) \
|
| 461 | *(.ref.text) \
|
| 462 | MEM_KEEP(init.text) \
|
| 463 | MEM_KEEP(exit.text) \
|
| 464 |
|
| 465 |
|
| 466 | |
| 467 | * address even at second ld pass when generating System.map
|
| 468 | #define SCHED_TEXT \
|
| 469 | ALIGN_FUNCTION(); \
|
| 470 | VMLINUX_SYMBOL(__sched_text_start) = .; \
|
| 471 | *(.sched.text) \
|
| 472 | VMLINUX_SYMBOL(__sched_text_end) = .;
|
| 473 |
|
| 474 | |
| 475 | * address even at second ld pass when generating System.map
|
| 476 | #define LOCK_TEXT \
|
| 477 | ALIGN_FUNCTION(); \
|
| 478 | VMLINUX_SYMBOL(__lock_text_start) = .; \
|
| 479 | *(.spinlock.text) \
|
| 480 | VMLINUX_SYMBOL(__lock_text_end) = .;
|
| 481 |
|
| 482 | #define CPUIDLE_TEXT \
|
| 483 | ALIGN_FUNCTION(); \
|
| 484 | VMLINUX_SYMBOL(__cpuidle_text_start) = .; \
|
| 485 | *(.cpuidle.text) \
|
| 486 | VMLINUX_SYMBOL(__cpuidle_text_end) = .;
|
| 487 |
|
| 488 | #define KPROBES_TEXT \
|
| 489 | ALIGN_FUNCTION(); \
|
| 490 | VMLINUX_SYMBOL(__kprobes_text_start) = .; \
|
| 491 | *(.kprobes.text) \
|
| 492 | VMLINUX_SYMBOL(__kprobes_text_end) = .;
|
| 493 |
|
| 494 | #define ENTRY_TEXT \
|
| 495 | ALIGN_FUNCTION(); \
|
| 496 | VMLINUX_SYMBOL(__entry_text_start) = .; \
|
| 497 | *(.entry.text) \
|
| 498 | VMLINUX_SYMBOL(__entry_text_end) = .;
|
| 499 |
|
| 500 | #if defined(CONFIG_FUNCTION_GRAPH_TRACER) || defined(CONFIG_KASAN)
|
| 501 | #define IRQENTRY_TEXT \
|
| 502 | ALIGN_FUNCTION(); \
|
| 503 | VMLINUX_SYMBOL(__irqentry_text_start) = .; \
|
| 504 | *(.irqentry.text) \
|
| 505 | VMLINUX_SYMBOL(__irqentry_text_end) = .;
|
| 506 | #else
|
| 507 | #define IRQENTRY_TEXT
|
| 508 | #endif
|
| 509 |
|
| 510 | #if defined(CONFIG_FUNCTION_GRAPH_TRACER) || defined(CONFIG_KASAN)
|
| 511 | #define SOFTIRQENTRY_TEXT \
|
| 512 | ALIGN_FUNCTION(); \
|
| 513 | VMLINUX_SYMBOL(__softirqentry_text_start) = .; \
|
| 514 | *(.softirqentry.text) \
|
| 515 | VMLINUX_SYMBOL(__softirqentry_text_end) = .;
|
| 516 | #else
|
| 517 | #define SOFTIRQENTRY_TEXT
|
| 518 | #endif
|
| 519 |
|
| 520 |
|
| 521 | #define HEAD_TEXT *(.head.text)
|
| 522 |
|
| 523 | #define HEAD_TEXT_SECTION \
|
| 524 | .head.text : AT(ADDR(.head.text) - LOAD_OFFSET) { \
|
| 525 | HEAD_TEXT \
|
| 526 | }
|
| 527 |
|
| 528 | |
| 529 | * Exception table
|
| 530 |
|
| 531 | #define EXCEPTION_TABLE(align) \
|
| 532 | . = ALIGN(align); \
|
| 533 | __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { \
|
| 534 | VMLINUX_SYMBOL(__start___ex_table) = .; \
|
| 535 | KEEP(*(__ex_table)) \
|
| 536 | VMLINUX_SYMBOL(__stop___ex_table) = .; \
|
| 537 | }
|
| 538 |
|
| 539 | |
| 540 | * Init task
|
| 541 |
|
| 542 | #define INIT_TASK_DATA_SECTION(align) \
|
| 543 | . = ALIGN(align); \
|
| 544 | .data..init_task : AT(ADDR(.data..init_task) - LOAD_OFFSET) { \
|
| 545 | INIT_TASK_DATA(align) \
|
| 546 | }
|
| 547 |
|
| 548 | #ifdef CONFIG_CONSTRUCTORS
|
| 549 | #define KERNEL_CTORS() . = ALIGN(8); \
|
| 550 | VMLINUX_SYMBOL(__ctors_start) = .; \
|
| 551 | KEEP(*(.ctors)) \
|
| 552 | KEEP(*(SORT(.init_array.*))) \
|
| 553 | KEEP(*(.init_array)) \
|
| 554 | VMLINUX_SYMBOL(__ctors_end) = .;
|
| 555 | #else
|
| 556 | #define KERNEL_CTORS()
|
| 557 | #endif
|
| 558 |
|
| 559 |
|
| 560 | #define INIT_DATA \
|
| 561 | KEEP(*(SORT(___kentry+*))) \
|
| 562 | *(.init.data) \
|
| 563 | MEM_DISCARD(init.data) \
|
| 564 | KERNEL_CTORS() \
|
| 565 | MCOUNT_REC() \
|
| 566 | *(.init.rodata) \
|
| 567 | FTRACE_EVENTS() \
|
| 568 | TRACE_SYSCALLS() \
|
| 569 | KPROBE_BLACKLIST() \
|
| 570 | MEM_DISCARD(init.rodata) \
|
| 571 | CLK_OF_TABLES() \
|
| 572 | RESERVEDMEM_OF_TABLES() \
|
| 573 | TIMER_OF_TABLES() \
|
| 574 | IOMMU_OF_TABLES() \
|
| 575 | CPU_METHOD_OF_TABLES() \
|
| 576 | CPUIDLE_METHOD_OF_TABLES() \
|
| 577 | KERNEL_DTB() \
|
| 578 | IRQCHIP_OF_MATCH_TABLE() \
|
| 579 | ACPI_PROBE_TABLE(irqchip) \
|
| 580 | ACPI_PROBE_TABLE(timer) \
|
| 581 | ACPI_PROBE_TABLE(iort) \
|
| 582 | EARLYCON_TABLE()
|
| 583 |
|
| 584 | #define INIT_TEXT \
|
| 585 | *(.init.text) \
|
| 586 | *(.text.startup) \
|
| 587 | MEM_DISCARD(init.text)
|
| 588 |
|
| 589 | #define EXIT_DATA \
|
| 590 | *(.exit.data) \
|
| 591 | *(.fini_array) \
|
| 592 | *(.dtors) \
|
| 593 | MEM_DISCARD(exit.data) \
|
| 594 | MEM_DISCARD(exit.rodata)
|
| 595 |
|
| 596 | #define EXIT_TEXT \
|
| 597 | *(.exit.text) \
|
| 598 | *(.text.exit) \
|
| 599 | MEM_DISCARD(exit.text)
|
| 600 |
|
| 601 | #define EXIT_CALL \
|
| 602 | *(.exitcall.exit)
|
| 603 |
|
| 604 | |
| 605 | * bss (Block Started by Symbol) - uninitialized data
|
| 606 | * zeroed during startup
|
| 607 |
|
| 608 | #define SBSS(sbss_align) \
|
| 609 | . = ALIGN(sbss_align); \
|
| 610 | .sbss : AT(ADDR(.sbss) - LOAD_OFFSET) { \
|
| 611 | *(.dynsbss) \
|
| 612 | *(.sbss) \
|
| 613 | *(.scommon) \
|
| 614 | }
|
| 615 |
|
| 616 | |
| 617 | * Allow archectures to redefine BSS_FIRST_SECTIONS to add extra
|
| 618 | * sections to the front of bss.
|
| 619 |
|
| 620 | #ifndef BSS_FIRST_SECTIONS
|
| 621 | #define BSS_FIRST_SECTIONS
|
| 622 | #endif
|
| 623 |
|
| 624 | #define BSS(bss_align) \
|
| 625 | . = ALIGN(bss_align); \
|
| 626 | .bss : AT(ADDR(.bss) - LOAD_OFFSET) { \
|
| 627 | BSS_FIRST_SECTIONS \
|
| 628 | *(.bss..page_aligned) \
|
| 629 | *(.dynbss) \
|
| 630 | *(BSS_MAIN) \
|
| 631 | *(COMMON) \
|
| 632 | }
|
| 633 |
|
| 634 | |
| 635 | * DWARF debug sections.
|
| 636 | * Symbols in the DWARF debugging sections are relative to
|
| 637 | * the beginning of the section so we begin them at 0.
|
| 638 |
|
| 639 | #define DWARF_DEBUG \
|
| 640 | \
|
| 641 | .debug 0 : { *(.debug) } \
|
| 642 | .line 0 : { *(.line) } \
|
| 643 | \
|
| 644 | .debug_srcinfo 0 : { *(.debug_srcinfo) } \
|
| 645 | .debug_sfnames 0 : { *(.debug_sfnames) } \
|
| 646 | \
|
| 647 | .debug_aranges 0 : { *(.debug_aranges) } \
|
| 648 | .debug_pubnames 0 : { *(.debug_pubnames) } \
|
| 649 | \
|
| 650 | .debug_info 0 : { *(.debug_info \
|
| 651 | .gnu.linkonce.wi.*) } \
|
| 652 | .debug_abbrev 0 : { *(.debug_abbrev) } \
|
| 653 | .debug_line 0 : { *(.debug_line) } \
|
| 654 | .debug_frame 0 : { *(.debug_frame) } \
|
| 655 | .debug_str 0 : { *(.debug_str) } \
|
| 656 | .debug_loc 0 : { *(.debug_loc) } \
|
| 657 | .debug_macinfo 0 : { *(.debug_macinfo) } \
|
| 658 | .debug_pubtypes 0 : { *(.debug_pubtypes) } \
|
| 659 | \
|
| 660 | .debug_ranges 0 : { *(.debug_ranges) } \
|
| 661 | \
|
| 662 | .debug_weaknames 0 : { *(.debug_weaknames) } \
|
| 663 | .debug_funcnames 0 : { *(.debug_funcnames) } \
|
| 664 | .debug_typenames 0 : { *(.debug_typenames) } \
|
| 665 | .debug_varnames 0 : { *(.debug_varnames) } \
|
| 666 | \
|
| 667 | .debug_gnu_pubnames 0 : { *(.debug_gnu_pubnames) } \
|
| 668 | .debug_gnu_pubtypes 0 : { *(.debug_gnu_pubtypes) } \
|
| 669 | \
|
| 670 | .debug_types 0 : { *(.debug_types) } \
|
| 671 | \
|
| 672 | .debug_macro 0 : { *(.debug_macro) } \
|
| 673 | .debug_addr 0 : { *(.debug_addr) }
|
| 674 |
|
| 675 |
|
| 676 | #define STABS_DEBUG \
|
| 677 | .stab 0 : { *(.stab) } \
|
| 678 | .stabstr 0 : { *(.stabstr) } \
|
| 679 | .stab.excl 0 : { *(.stab.excl) } \
|
| 680 | .stab.exclstr 0 : { *(.stab.exclstr) } \
|
| 681 | .stab.index 0 : { *(.stab.index) } \
|
| 682 | .stab.indexstr 0 : { *(.stab.indexstr) } \
|
| 683 | .comment 0 : { *(.comment) }
|
| 684 |
|
| 685 | #ifdef CONFIG_GENERIC_BUG
|
| 686 | #define BUG_TABLE \
|
| 687 | . = ALIGN(8); \
|
| 688 | __bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) { \
|
| 689 | VMLINUX_SYMBOL(__start___bug_table) = .; \
|
| 690 | KEEP(*(__bug_table)) \
|
| 691 | VMLINUX_SYMBOL(__stop___bug_table) = .; \
|
| 692 | }
|
| 693 | #else
|
| 694 | #define BUG_TABLE
|
| 695 | #endif
|
| 696 |
|
| 697 | #ifdef CONFIG_PM_TRACE
|
| 698 | #define TRACEDATA \
|
| 699 | . = ALIGN(4); \
|
| 700 | .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) { \
|
| 701 | VMLINUX_SYMBOL(__tracedata_start) = .; \
|
| 702 | KEEP(*(.tracedata)) \
|
| 703 | VMLINUX_SYMBOL(__tracedata_end) = .; \
|
| 704 | }
|
| 705 | #else
|
| 706 | #define TRACEDATA
|
| 707 | #endif
|
| 708 |
|
| 709 | #define NOTES \
|
| 710 | .notes : AT(ADDR(.notes) - LOAD_OFFSET) { \
|
| 711 | VMLINUX_SYMBOL(__start_notes) = .; \
|
| 712 | *(.note.*) \
|
| 713 | VMLINUX_SYMBOL(__stop_notes) = .; \
|
| 714 | }
|
| 715 |
|
| 716 | #define INIT_SETUP(initsetup_align) \
|
| 717 | . = ALIGN(initsetup_align); \
|
| 718 | VMLINUX_SYMBOL(__setup_start) = .; \
|
| 719 | KEEP(*(.init.setup)) \
|
| 720 | VMLINUX_SYMBOL(__setup_end) = .;
|
| 721 |
|
| 722 | #define INIT_CALLS_LEVEL(level) \
|
| 723 | VMLINUX_SYMBOL(__initcall##level##_start) = .; \
|
| 724 | KEEP(*(.initcall##level##.init)) \
|
| 725 | KEEP(*(.initcall##level##s.init)) \
|
| 726 |
|
| 727 | #define INIT_CALLS \
|
| 728 | VMLINUX_SYMBOL(__initcall_start) = .; \
|
| 729 | KEEP(*(.initcallearly.init)) \
|
| 730 | INIT_CALLS_LEVEL(0) \
|
| 731 | INIT_CALLS_LEVEL(1) \
|
| 732 | INIT_CALLS_LEVEL(2) \
|
| 733 | INIT_CALLS_LEVEL(3) \
|
| 734 | INIT_CALLS_LEVEL(4) \
|
| 735 | INIT_CALLS_LEVEL(5) \
|
| 736 | INIT_CALLS_LEVEL(rootfs) \
|
| 737 | INIT_CALLS_LEVEL(6) \
|
| 738 | INIT_CALLS_LEVEL(7) \
|
| 739 | VMLINUX_SYMBOL(__initcall_end) = .;
|
| 740 |
|
| 741 | #define CON_INITCALL \
|
| 742 | VMLINUX_SYMBOL(__con_initcall_start) = .; \
|
| 743 | KEEP(*(.con_initcall.init)) \
|
| 744 | VMLINUX_SYMBOL(__con_initcall_end) = .;
|
| 745 |
|
| 746 | #define SECURITY_INITCALL \
|
| 747 | VMLINUX_SYMBOL(__security_initcall_start) = .; \
|
| 748 | KEEP(*(.security_initcall.init)) \
|
| 749 | VMLINUX_SYMBOL(__security_initcall_end) = .;
|
| 750 |
|
| 751 | #ifdef CONFIG_BLK_DEV_INITRD
|
| 752 | #define INIT_RAM_FS \
|
| 753 | . = ALIGN(4); \
|
| 754 | VMLINUX_SYMBOL(__initramfs_start) = .; \
|
| 755 | KEEP(*(.init.ramfs)) \
|
| 756 | . = ALIGN(8); \
|
| 757 | KEEP(*(.init.ramfs.info))
|
| 758 | #else
|
| 759 | #define INIT_RAM_FS
|
| 760 | #endif
|
| 761 |
|
| 762 | |
| 763 | * Default discarded sections.
|
| 764 | *
|
| 765 | * Some archs want to discard exit text/data at runtime rather than
|
| 766 | * link time due to cross-section references such as alt instructions,
|
| 767 | * bug table, eh_frame, etc. DISCARDS must be the last of output
|
| 768 | * section definitions so that such archs put those in earlier section
|
| 769 | * definitions.
|
| 770 |
|
| 771 | #define DISCARDS \
|
| 772 | /DISCARD/ : { \
|
| 773 | EXIT_TEXT \
|
| 774 | EXIT_DATA \
|
| 775 | EXIT_CALL \
|
| 776 | *(.discard) \
|
| 777 | *(.discard.*) \
|
| 778 | }
|
| 779 |
|
| 780 | |
| 781 | * PERCPU_INPUT - the percpu input sections
|
| 782 | * @cacheline: cacheline size
|
| 783 | *
|
| 784 | * The core percpu section names and core symbols which do not rely
|
| 785 | * directly upon load addresses.
|
| 786 | *
|
| 787 | * @cacheline is used to align subsections to avoid false cacheline
|
| 788 | * sharing between subsections for different purposes.
|
| 789 |
|
| 790 | #define PERCPU_INPUT(cacheline) \
|
| 791 | VMLINUX_SYMBOL(__per_cpu_start) = .; \
|
| 792 | *(.data..percpu..first) \
|
| 793 | . = ALIGN(PAGE_SIZE); \
|
| 794 | *(.data..percpu..page_aligned) \
|
| 795 | . = ALIGN(cacheline); \
|
| 796 | *(.data..percpu..read_mostly) \
|
| 797 | . = ALIGN(cacheline); \
|
| 798 | *(.data..percpu) \
|
| 799 | *(.data..percpu..shared_aligned) \
|
| 800 | VMLINUX_SYMBOL(__per_cpu_end) = .;
|
| 801 |
|
| 802 | |
| 803 | * PERCPU_VADDR - define output section for percpu area
|
| 804 | * @cacheline: cacheline size
|
| 805 | * @vaddr: explicit base address (optional)
|
| 806 | * @phdr: destination PHDR (optional)
|
| 807 | *
|
| 808 | * Macro which expands to output section for percpu area.
|
| 809 | *
|
| 810 | * @cacheline is used to align subsections to avoid false cacheline
|
| 811 | * sharing between subsections for different purposes.
|
| 812 | *
|
| 813 | * If @vaddr is not blank, it specifies explicit base address and all
|
| 814 | * percpu symbols will be offset from the given address. If blank,
|
| 815 | * @vaddr always equals @laddr + LOAD_OFFSET.
|
| 816 | *
|
| 817 | * @phdr defines the output PHDR to use if not blank. Be warned that
|
| 818 | * output PHDR is sticky. If @phdr is specified, the next output
|
| 819 | * section in the linker script will go there too. @phdr should have
|
| 820 | * a leading colon.
|
| 821 | *
|
| 822 | * Note that this macros defines __per_cpu_load as an absolute symbol.
|
| 823 | * If there is no need to put the percpu section at a predetermined
|
| 824 | * address, use PERCPU_SECTION.
|
| 825 |
|
| 826 | #define PERCPU_VADDR(cacheline, vaddr, phdr) \
|
| 827 | VMLINUX_SYMBOL(__per_cpu_load) = .; \
|
| 828 | .data..percpu vaddr : AT(VMLINUX_SYMBOL(__per_cpu_load) \
|
| 829 | - LOAD_OFFSET) { \
|
| 830 | PERCPU_INPUT(cacheline) \
|
| 831 | } phdr \
|
| 832 | . = VMLINUX_SYMBOL(__per_cpu_load) + SIZEOF(.data..percpu);
|
| 833 |
|
| 834 | |
| 835 | * PERCPU_SECTION - define output section for percpu area, simple version
|
| 836 | * @cacheline: cacheline size
|
| 837 | *
|
| 838 | * Align to PAGE_SIZE and outputs output section for percpu area. This
|
| 839 | * macro doesn't manipulate @vaddr or @phdr and __per_cpu_load and
|
| 840 | * __per_cpu_start will be identical.
|
| 841 | *
|
| 842 | * This macro is equivalent to ALIGN(PAGE_SIZE); PERCPU_VADDR(@cacheline,,)
|
| 843 | * except that __per_cpu_load is defined as a relative symbol against
|
| 844 | * .data..percpu which is required for relocatable x86_32 configuration.
|
| 845 |
|
| 846 | #define PERCPU_SECTION(cacheline) \
|
| 847 | . = ALIGN(PAGE_SIZE); \
|
| 848 | .data..percpu : AT(ADDR(.data..percpu) - LOAD_OFFSET) { \
|
| 849 | VMLINUX_SYMBOL(__per_cpu_load) = .; \
|
| 850 | PERCPU_INPUT(cacheline) \
|
| 851 | }
|
| 852 |
|
| 853 |
|
| 854 | |
| 855 | * Definition of the high level *_SECTION macros
|
| 856 | * They will fit only a subset of the architectures
|
| 857 |
|
| 858 |
|
| 859 |
|
| 860 | |
| 861 | * Writeable data.
|
| 862 | * All sections are combined in a single .data section.
|
| 863 | * The sections following CONSTRUCTORS are arranged so their
|
| 864 | * typical alignment matches.
|
| 865 | * A cacheline is typical/always less than a PAGE_SIZE so
|
| 866 | * the sections that has this restriction (or similar)
|
| 867 | * is located before the ones requiring PAGE_SIZE alignment.
|
| 868 | * NOSAVE_DATA starts and ends with a PAGE_SIZE alignment which
|
| 869 | * matches the requirement of PAGE_ALIGNED_DATA.
|
| 870 | *
|
| 871 | * use 0 as page_align if page_aligned data is not used
|
| 872 | #define RW_DATA_SECTION(cacheline, pagealigned, inittask) \
|
| 873 | . = ALIGN(PAGE_SIZE); \
|
| 874 | .data : AT(ADDR(.data) - LOAD_OFFSET) { \
|
| 875 | INIT_TASK_DATA(inittask) \
|
| 876 | NOSAVE_DATA \
|
| 877 | PAGE_ALIGNED_DATA(pagealigned) \
|
| 878 | CACHELINE_ALIGNED_DATA(cacheline) \
|
| 879 | READ_MOSTLY_DATA(cacheline) \
|
| 880 | DATA_DATA \
|
| 881 | CONSTRUCTORS \
|
| 882 | } \
|
| 883 | BUG_TABLE
|
| 884 |
|
| 885 | #define INIT_TEXT_SECTION(inittext_align) \
|
| 886 | . = ALIGN(inittext_align); \
|
| 887 | .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { \
|
| 888 | VMLINUX_SYMBOL(_sinittext) = .; \
|
| 889 | INIT_TEXT \
|
| 890 | VMLINUX_SYMBOL(_einittext) = .; \
|
| 891 | }
|
| 892 |
|
| 893 | #define INIT_DATA_SECTION(initsetup_align) \
|
| 894 | .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { \
|
| 895 | INIT_DATA \
|
| 896 | INIT_SETUP(initsetup_align) \
|
| 897 | INIT_CALLS \
|
| 898 | CON_INITCALL \
|
| 899 | SECURITY_INITCALL \
|
| 900 | INIT_RAM_FS \
|
| 901 | }
|
| 902 |
|
| 903 | #define BSS_SECTION(sbss_align, bss_align, stop_align) \
|
| 904 | . = ALIGN(sbss_align); \
|
| 905 | VMLINUX_SYMBOL(__bss_start) = .; \
|
| 906 | SBSS(sbss_align) \
|
| 907 | BSS(bss_align) \
|
| 908 | . = ALIGN(stop_align); \
|
| 909 | VMLINUX_SYMBOL(__bss_stop) = .;
|