vmlinux.lds.S 3.9 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. OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
  9. OUTPUT_ARCH(i386)
  10. ENTRY(phys_startup_32)
  11. jiffies = jiffies_64;
  12. SECTIONS
  13. {
  14. . = __KERNEL_START;
  15. phys_startup_32 = startup_32 - LOAD_OFFSET;
  16. /* read-only */
  17. _text = .; /* Text and read-only data */
  18. .text : AT(ADDR(.text) - LOAD_OFFSET) {
  19. *(.text)
  20. SCHED_TEXT
  21. LOCK_TEXT
  22. KPROBES_TEXT
  23. *(.fixup)
  24. *(.gnu.warning)
  25. } = 0x9090
  26. _etext = .; /* End of text section */
  27. . = ALIGN(16); /* Exception table */
  28. __start___ex_table = .;
  29. __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { *(__ex_table) }
  30. __stop___ex_table = .;
  31. RODATA
  32. /* writeable */
  33. .data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */
  34. *(.data)
  35. CONSTRUCTORS
  36. }
  37. . = ALIGN(4096);
  38. __nosave_begin = .;
  39. .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { *(.data.nosave) }
  40. . = ALIGN(4096);
  41. __nosave_end = .;
  42. . = ALIGN(4096);
  43. .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
  44. *(.data.idt)
  45. }
  46. . = ALIGN(32);
  47. .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
  48. *(.data.cacheline_aligned)
  49. }
  50. /* rarely changed data like cpu maps */
  51. . = ALIGN(32);
  52. .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) { *(.data.read_mostly) }
  53. _edata = .; /* End of data section */
  54. . = ALIGN(THREAD_SIZE); /* init_task */
  55. .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
  56. *(.data.init_task)
  57. }
  58. /* will be freed after init */
  59. . = ALIGN(4096); /* Init code and data */
  60. __init_begin = .;
  61. .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
  62. _sinittext = .;
  63. *(.init.text)
  64. _einittext = .;
  65. }
  66. .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { *(.init.data) }
  67. . = ALIGN(16);
  68. __setup_start = .;
  69. .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { *(.init.setup) }
  70. __setup_end = .;
  71. __initcall_start = .;
  72. .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
  73. *(.initcall1.init)
  74. *(.initcall2.init)
  75. *(.initcall3.init)
  76. *(.initcall4.init)
  77. *(.initcall5.init)
  78. *(.initcall6.init)
  79. *(.initcall7.init)
  80. }
  81. __initcall_end = .;
  82. __con_initcall_start = .;
  83. .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
  84. *(.con_initcall.init)
  85. }
  86. __con_initcall_end = .;
  87. SECURITY_INIT
  88. . = ALIGN(4);
  89. __alt_instructions = .;
  90. .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) {
  91. *(.altinstructions)
  92. }
  93. __alt_instructions_end = .;
  94. .altinstr_replacement : AT(ADDR(.altinstr_replacement) - LOAD_OFFSET) {
  95. *(.altinstr_replacement)
  96. }
  97. /* .exit.text is discard at runtime, not link time, to deal with references
  98. from .altinstructions and .eh_frame */
  99. .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { *(.exit.text) }
  100. .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { *(.exit.data) }
  101. . = ALIGN(4096);
  102. __initramfs_start = .;
  103. .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { *(.init.ramfs) }
  104. __initramfs_end = .;
  105. . = ALIGN(32);
  106. __per_cpu_start = .;
  107. .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { *(.data.percpu) }
  108. __per_cpu_end = .;
  109. . = ALIGN(4096);
  110. __init_end = .;
  111. /* freed after init ends here */
  112. __bss_start = .; /* BSS */
  113. .bss.page_aligned : AT(ADDR(.bss.page_aligned) - LOAD_OFFSET) {
  114. *(.bss.page_aligned)
  115. }
  116. .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
  117. *(.bss)
  118. }
  119. . = ALIGN(4);
  120. __bss_stop = .;
  121. _end = . ;
  122. /* This is where the kernel creates the early boot page tables */
  123. . = ALIGN(4096);
  124. pg0 = .;
  125. /* Sections to be discarded */
  126. /DISCARD/ : {
  127. *(.exitcall.exit)
  128. }
  129. /* Stabs debugging sections. */
  130. .stab 0 : { *(.stab) }
  131. .stabstr 0 : { *(.stabstr) }
  132. .stab.excl 0 : { *(.stab.excl) }
  133. .stab.exclstr 0 : { *(.stab.exclstr) }
  134. .stab.index 0 : { *(.stab.index) }
  135. .stab.indexstr 0 : { *(.stab.indexstr) }
  136. .comment 0 : { *(.comment) }
  137. }