vmlinux.lds.S 4.2 KB

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  1. /* ld script to make i386 Linux kernel
  2. * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>;
  3. */
  4. #define LOAD_OFFSET __PAGE_OFFSET
  5. #include <asm-generic/vmlinux.lds.h>
  6. #include <asm/thread_info.h>
  7. #include <asm/page.h>
  8. #include <asm/cache.h>
  9. OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
  10. OUTPUT_ARCH(i386)
  11. ENTRY(phys_startup_32)
  12. jiffies = jiffies_64;
  13. SECTIONS
  14. {
  15. . = __KERNEL_START;
  16. phys_startup_32 = startup_32 - LOAD_OFFSET;
  17. /* read-only */
  18. _text = .; /* Text and read-only data */
  19. .text : AT(ADDR(.text) - LOAD_OFFSET) {
  20. *(.text)
  21. SCHED_TEXT
  22. LOCK_TEXT
  23. KPROBES_TEXT
  24. *(.fixup)
  25. *(.gnu.warning)
  26. } = 0x9090
  27. _etext = .; /* End of text section */
  28. . = ALIGN(16); /* Exception table */
  29. __start___ex_table = .;
  30. __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { *(__ex_table) }
  31. __stop___ex_table = .;
  32. RODATA
  33. /* writeable */
  34. .data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */
  35. *(.data)
  36. CONSTRUCTORS
  37. }
  38. . = ALIGN(4096);
  39. __nosave_begin = .;
  40. .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { *(.data.nosave) }
  41. . = ALIGN(4096);
  42. __nosave_end = .;
  43. . = ALIGN(4096);
  44. .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
  45. *(.data.idt)
  46. }
  47. . = ALIGN(32);
  48. .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
  49. *(.data.cacheline_aligned)
  50. }
  51. /* rarely changed data like cpu maps */
  52. . = ALIGN(32);
  53. .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) { *(.data.read_mostly) }
  54. _edata = .; /* End of data section */
  55. . = ALIGN(THREAD_SIZE); /* init_task */
  56. .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
  57. *(.data.init_task)
  58. }
  59. /* might get freed after init */
  60. . = ALIGN(4096);
  61. __smp_alt_begin = .;
  62. __smp_alt_instructions = .;
  63. .smp_altinstructions : AT(ADDR(.smp_altinstructions) - LOAD_OFFSET) {
  64. *(.smp_altinstructions)
  65. }
  66. __smp_alt_instructions_end = .;
  67. . = ALIGN(4);
  68. __smp_locks = .;
  69. .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {
  70. *(.smp_locks)
  71. }
  72. __smp_locks_end = .;
  73. .smp_altinstr_replacement : AT(ADDR(.smp_altinstr_replacement) - LOAD_OFFSET) {
  74. *(.smp_altinstr_replacement)
  75. }
  76. . = ALIGN(4096);
  77. __smp_alt_end = .;
  78. /* will be freed after init */
  79. . = ALIGN(4096); /* Init code and data */
  80. __init_begin = .;
  81. .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
  82. _sinittext = .;
  83. *(.init.text)
  84. _einittext = .;
  85. }
  86. .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { *(.init.data) }
  87. . = ALIGN(16);
  88. __setup_start = .;
  89. .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { *(.init.setup) }
  90. __setup_end = .;
  91. __initcall_start = .;
  92. .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
  93. *(.initcall1.init)
  94. *(.initcall2.init)
  95. *(.initcall3.init)
  96. *(.initcall4.init)
  97. *(.initcall5.init)
  98. *(.initcall6.init)
  99. *(.initcall7.init)
  100. }
  101. __initcall_end = .;
  102. __con_initcall_start = .;
  103. .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
  104. *(.con_initcall.init)
  105. }
  106. __con_initcall_end = .;
  107. SECURITY_INIT
  108. . = ALIGN(4);
  109. __alt_instructions = .;
  110. .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) {
  111. *(.altinstructions)
  112. }
  113. __alt_instructions_end = .;
  114. .altinstr_replacement : AT(ADDR(.altinstr_replacement) - LOAD_OFFSET) {
  115. *(.altinstr_replacement)
  116. }
  117. /* .exit.text is discard at runtime, not link time, to deal with references
  118. from .altinstructions and .eh_frame */
  119. .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { *(.exit.text) }
  120. .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { *(.exit.data) }
  121. . = ALIGN(4096);
  122. __initramfs_start = .;
  123. .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { *(.init.ramfs) }
  124. __initramfs_end = .;
  125. . = ALIGN(L1_CACHE_BYTES);
  126. __per_cpu_start = .;
  127. .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { *(.data.percpu) }
  128. __per_cpu_end = .;
  129. . = ALIGN(4096);
  130. __init_end = .;
  131. /* freed after init ends here */
  132. __bss_start = .; /* BSS */
  133. .bss.page_aligned : AT(ADDR(.bss.page_aligned) - LOAD_OFFSET) {
  134. *(.bss.page_aligned)
  135. }
  136. .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
  137. *(.bss)
  138. }
  139. . = ALIGN(4);
  140. __bss_stop = .;
  141. _end = . ;
  142. /* This is where the kernel creates the early boot page tables */
  143. . = ALIGN(4096);
  144. pg0 = .;
  145. /* Sections to be discarded */
  146. /DISCARD/ : {
  147. *(.exitcall.exit)
  148. }
  149. STABS_DEBUG
  150. DWARF_DEBUG
  151. }