vmlinux.lds.h 5.2 KB

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  1. #ifndef LOAD_OFFSET
  2. #define LOAD_OFFSET 0
  3. #endif
  4. #ifndef VMLINUX_SYMBOL
  5. #define VMLINUX_SYMBOL(_sym_) _sym_
  6. #endif
  7. /* Align . to a 8 byte boundary equals to maximum function alignment. */
  8. #define ALIGN_FUNCTION() . = ALIGN(8)
  9. #define RODATA \
  10. . = ALIGN(4096); \
  11. __start_rodata = .; \
  12. .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \
  13. *(.rodata) *(.rodata.*) \
  14. *(__vermagic) /* Kernel version magic */ \
  15. } \
  16. \
  17. .rodata1 : AT(ADDR(.rodata1) - LOAD_OFFSET) { \
  18. *(.rodata1) \
  19. } \
  20. \
  21. /* PCI quirks */ \
  22. .pci_fixup : AT(ADDR(.pci_fixup) - LOAD_OFFSET) { \
  23. VMLINUX_SYMBOL(__start_pci_fixups_early) = .; \
  24. *(.pci_fixup_early) \
  25. VMLINUX_SYMBOL(__end_pci_fixups_early) = .; \
  26. VMLINUX_SYMBOL(__start_pci_fixups_header) = .; \
  27. *(.pci_fixup_header) \
  28. VMLINUX_SYMBOL(__end_pci_fixups_header) = .; \
  29. VMLINUX_SYMBOL(__start_pci_fixups_final) = .; \
  30. *(.pci_fixup_final) \
  31. VMLINUX_SYMBOL(__end_pci_fixups_final) = .; \
  32. VMLINUX_SYMBOL(__start_pci_fixups_enable) = .; \
  33. *(.pci_fixup_enable) \
  34. VMLINUX_SYMBOL(__end_pci_fixups_enable) = .; \
  35. } \
  36. \
  37. /* RapidIO route ops */ \
  38. .rio_route : AT(ADDR(.rio_route) - LOAD_OFFSET) { \
  39. VMLINUX_SYMBOL(__start_rio_route_ops) = .; \
  40. *(.rio_route_ops) \
  41. VMLINUX_SYMBOL(__end_rio_route_ops) = .; \
  42. } \
  43. \
  44. /* Kernel symbol table: Normal symbols */ \
  45. __ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \
  46. VMLINUX_SYMBOL(__start___ksymtab) = .; \
  47. *(__ksymtab) \
  48. VMLINUX_SYMBOL(__stop___ksymtab) = .; \
  49. } \
  50. \
  51. /* Kernel symbol table: GPL-only symbols */ \
  52. __ksymtab_gpl : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) { \
  53. VMLINUX_SYMBOL(__start___ksymtab_gpl) = .; \
  54. *(__ksymtab_gpl) \
  55. VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .; \
  56. } \
  57. \
  58. /* Kernel symbol table: Normal symbols */ \
  59. __kcrctab : AT(ADDR(__kcrctab) - LOAD_OFFSET) { \
  60. VMLINUX_SYMBOL(__start___kcrctab) = .; \
  61. *(__kcrctab) \
  62. VMLINUX_SYMBOL(__stop___kcrctab) = .; \
  63. } \
  64. \
  65. /* Kernel symbol table: GPL-only symbols */ \
  66. __kcrctab_gpl : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) { \
  67. VMLINUX_SYMBOL(__start___kcrctab_gpl) = .; \
  68. *(__kcrctab_gpl) \
  69. VMLINUX_SYMBOL(__stop___kcrctab_gpl) = .; \
  70. } \
  71. \
  72. /* Kernel symbol table: strings */ \
  73. __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \
  74. *(__ksymtab_strings) \
  75. } \
  76. __end_rodata = .; \
  77. . = ALIGN(4096); \
  78. \
  79. /* Built-in module parameters. */ \
  80. __param : AT(ADDR(__param) - LOAD_OFFSET) { \
  81. VMLINUX_SYMBOL(__start___param) = .; \
  82. *(__param) \
  83. VMLINUX_SYMBOL(__stop___param) = .; \
  84. }
  85. #define SECURITY_INIT \
  86. .security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
  87. VMLINUX_SYMBOL(__security_initcall_start) = .; \
  88. *(.security_initcall.init) \
  89. VMLINUX_SYMBOL(__security_initcall_end) = .; \
  90. }
  91. /* sched.text is aling to function alignment to secure we have same
  92. * address even at second ld pass when generating System.map */
  93. #define SCHED_TEXT \
  94. ALIGN_FUNCTION(); \
  95. VMLINUX_SYMBOL(__sched_text_start) = .; \
  96. *(.sched.text) \
  97. VMLINUX_SYMBOL(__sched_text_end) = .;
  98. /* spinlock.text is aling to function alignment to secure we have same
  99. * address even at second ld pass when generating System.map */
  100. #define LOCK_TEXT \
  101. ALIGN_FUNCTION(); \
  102. VMLINUX_SYMBOL(__lock_text_start) = .; \
  103. *(.spinlock.text) \
  104. VMLINUX_SYMBOL(__lock_text_end) = .;
  105. #define KPROBES_TEXT \
  106. ALIGN_FUNCTION(); \
  107. VMLINUX_SYMBOL(__kprobes_text_start) = .; \
  108. *(.kprobes.text) \
  109. VMLINUX_SYMBOL(__kprobes_text_end) = .;
  110. /* DWARF debug sections.
  111. Symbols in the DWARF debugging sections are relative to
  112. the beginning of the section so we begin them at 0. */
  113. #define DWARF_DEBUG \
  114. /* DWARF 1 */ \
  115. .debug 0 : { *(.debug) } \
  116. .line 0 : { *(.line) } \
  117. /* GNU DWARF 1 extensions */ \
  118. .debug_srcinfo 0 : { *(.debug_srcinfo) } \
  119. .debug_sfnames 0 : { *(.debug_sfnames) } \
  120. /* DWARF 1.1 and DWARF 2 */ \
  121. .debug_aranges 0 : { *(.debug_aranges) } \
  122. .debug_pubnames 0 : { *(.debug_pubnames) } \
  123. /* DWARF 2 */ \
  124. .debug_info 0 : { *(.debug_info \
  125. .gnu.linkonce.wi.*) } \
  126. .debug_abbrev 0 : { *(.debug_abbrev) } \
  127. .debug_line 0 : { *(.debug_line) } \
  128. .debug_frame 0 : { *(.debug_frame) } \
  129. .debug_str 0 : { *(.debug_str) } \
  130. .debug_loc 0 : { *(.debug_loc) } \
  131. .debug_macinfo 0 : { *(.debug_macinfo) } \
  132. /* SGI/MIPS DWARF 2 extensions */ \
  133. .debug_weaknames 0 : { *(.debug_weaknames) } \
  134. .debug_funcnames 0 : { *(.debug_funcnames) } \
  135. .debug_typenames 0 : { *(.debug_typenames) } \
  136. .debug_varnames 0 : { *(.debug_varnames) } \
  137. /* Stabs debugging sections. */
  138. #define STABS_DEBUG \
  139. .stab 0 : { *(.stab) } \
  140. .stabstr 0 : { *(.stabstr) } \
  141. .stab.excl 0 : { *(.stab.excl) } \
  142. .stab.exclstr 0 : { *(.stab.exclstr) } \
  143. .stab.index 0 : { *(.stab.index) } \
  144. .stab.indexstr 0 : { *(.stab.indexstr) } \
  145. .comment 0 : { *(.comment) }