vmlinux.lds.h 7.8 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. .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \
  12. VMLINUX_SYMBOL(__start_rodata) = .; \
  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. VMLINUX_SYMBOL(__start_pci_fixups_resume) = .; \
  36. *(.pci_fixup_resume) \
  37. VMLINUX_SYMBOL(__end_pci_fixups_resume) = .; \
  38. } \
  39. \
  40. /* RapidIO route ops */ \
  41. .rio_route : AT(ADDR(.rio_route) - LOAD_OFFSET) { \
  42. VMLINUX_SYMBOL(__start_rio_route_ops) = .; \
  43. *(.rio_route_ops) \
  44. VMLINUX_SYMBOL(__end_rio_route_ops) = .; \
  45. } \
  46. \
  47. /* Kernel symbol table: Normal symbols */ \
  48. __ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \
  49. VMLINUX_SYMBOL(__start___ksymtab) = .; \
  50. *(__ksymtab) \
  51. VMLINUX_SYMBOL(__stop___ksymtab) = .; \
  52. } \
  53. \
  54. /* Kernel symbol table: GPL-only symbols */ \
  55. __ksymtab_gpl : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) { \
  56. VMLINUX_SYMBOL(__start___ksymtab_gpl) = .; \
  57. *(__ksymtab_gpl) \
  58. VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .; \
  59. } \
  60. \
  61. /* Kernel symbol table: Normal unused symbols */ \
  62. __ksymtab_unused : AT(ADDR(__ksymtab_unused) - LOAD_OFFSET) { \
  63. VMLINUX_SYMBOL(__start___ksymtab_unused) = .; \
  64. *(__ksymtab_unused) \
  65. VMLINUX_SYMBOL(__stop___ksymtab_unused) = .; \
  66. } \
  67. \
  68. /* Kernel symbol table: GPL-only unused symbols */ \
  69. __ksymtab_unused_gpl : AT(ADDR(__ksymtab_unused_gpl) - LOAD_OFFSET) { \
  70. VMLINUX_SYMBOL(__start___ksymtab_unused_gpl) = .; \
  71. *(__ksymtab_unused_gpl) \
  72. VMLINUX_SYMBOL(__stop___ksymtab_unused_gpl) = .; \
  73. } \
  74. \
  75. /* Kernel symbol table: GPL-future-only symbols */ \
  76. __ksymtab_gpl_future : AT(ADDR(__ksymtab_gpl_future) - LOAD_OFFSET) { \
  77. VMLINUX_SYMBOL(__start___ksymtab_gpl_future) = .; \
  78. *(__ksymtab_gpl_future) \
  79. VMLINUX_SYMBOL(__stop___ksymtab_gpl_future) = .; \
  80. } \
  81. \
  82. /* Kernel symbol table: Normal symbols */ \
  83. __kcrctab : AT(ADDR(__kcrctab) - LOAD_OFFSET) { \
  84. VMLINUX_SYMBOL(__start___kcrctab) = .; \
  85. *(__kcrctab) \
  86. VMLINUX_SYMBOL(__stop___kcrctab) = .; \
  87. } \
  88. \
  89. /* Kernel symbol table: GPL-only symbols */ \
  90. __kcrctab_gpl : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) { \
  91. VMLINUX_SYMBOL(__start___kcrctab_gpl) = .; \
  92. *(__kcrctab_gpl) \
  93. VMLINUX_SYMBOL(__stop___kcrctab_gpl) = .; \
  94. } \
  95. \
  96. /* Kernel symbol table: Normal unused symbols */ \
  97. __kcrctab_unused : AT(ADDR(__kcrctab_unused) - LOAD_OFFSET) { \
  98. VMLINUX_SYMBOL(__start___kcrctab_unused) = .; \
  99. *(__kcrctab_unused) \
  100. VMLINUX_SYMBOL(__stop___kcrctab_unused) = .; \
  101. } \
  102. \
  103. /* Kernel symbol table: GPL-only unused symbols */ \
  104. __kcrctab_unused_gpl : AT(ADDR(__kcrctab_unused_gpl) - LOAD_OFFSET) { \
  105. VMLINUX_SYMBOL(__start___kcrctab_unused_gpl) = .; \
  106. *(__kcrctab_unused_gpl) \
  107. VMLINUX_SYMBOL(__stop___kcrctab_unused_gpl) = .; \
  108. } \
  109. \
  110. /* Kernel symbol table: GPL-future-only symbols */ \
  111. __kcrctab_gpl_future : AT(ADDR(__kcrctab_gpl_future) - LOAD_OFFSET) { \
  112. VMLINUX_SYMBOL(__start___kcrctab_gpl_future) = .; \
  113. *(__kcrctab_gpl_future) \
  114. VMLINUX_SYMBOL(__stop___kcrctab_gpl_future) = .; \
  115. } \
  116. \
  117. /* Kernel symbol table: strings */ \
  118. __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \
  119. *(__ksymtab_strings) \
  120. } \
  121. \
  122. /* Built-in module parameters. */ \
  123. __param : AT(ADDR(__param) - LOAD_OFFSET) { \
  124. VMLINUX_SYMBOL(__start___param) = .; \
  125. *(__param) \
  126. VMLINUX_SYMBOL(__stop___param) = .; \
  127. VMLINUX_SYMBOL(__end_rodata) = .; \
  128. } \
  129. \
  130. . = ALIGN(4096);
  131. #define SECURITY_INIT \
  132. .security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
  133. VMLINUX_SYMBOL(__security_initcall_start) = .; \
  134. *(.security_initcall.init) \
  135. VMLINUX_SYMBOL(__security_initcall_end) = .; \
  136. }
  137. /* sched.text is aling to function alignment to secure we have same
  138. * address even at second ld pass when generating System.map */
  139. #define SCHED_TEXT \
  140. ALIGN_FUNCTION(); \
  141. VMLINUX_SYMBOL(__sched_text_start) = .; \
  142. *(.sched.text) \
  143. VMLINUX_SYMBOL(__sched_text_end) = .;
  144. /* spinlock.text is aling to function alignment to secure we have same
  145. * address even at second ld pass when generating System.map */
  146. #define LOCK_TEXT \
  147. ALIGN_FUNCTION(); \
  148. VMLINUX_SYMBOL(__lock_text_start) = .; \
  149. *(.spinlock.text) \
  150. VMLINUX_SYMBOL(__lock_text_end) = .;
  151. #define KPROBES_TEXT \
  152. ALIGN_FUNCTION(); \
  153. VMLINUX_SYMBOL(__kprobes_text_start) = .; \
  154. *(.kprobes.text) \
  155. VMLINUX_SYMBOL(__kprobes_text_end) = .;
  156. /* DWARF debug sections.
  157. Symbols in the DWARF debugging sections are relative to
  158. the beginning of the section so we begin them at 0. */
  159. #define DWARF_DEBUG \
  160. /* DWARF 1 */ \
  161. .debug 0 : { *(.debug) } \
  162. .line 0 : { *(.line) } \
  163. /* GNU DWARF 1 extensions */ \
  164. .debug_srcinfo 0 : { *(.debug_srcinfo) } \
  165. .debug_sfnames 0 : { *(.debug_sfnames) } \
  166. /* DWARF 1.1 and DWARF 2 */ \
  167. .debug_aranges 0 : { *(.debug_aranges) } \
  168. .debug_pubnames 0 : { *(.debug_pubnames) } \
  169. /* DWARF 2 */ \
  170. .debug_info 0 : { *(.debug_info \
  171. .gnu.linkonce.wi.*) } \
  172. .debug_abbrev 0 : { *(.debug_abbrev) } \
  173. .debug_line 0 : { *(.debug_line) } \
  174. .debug_frame 0 : { *(.debug_frame) } \
  175. .debug_str 0 : { *(.debug_str) } \
  176. .debug_loc 0 : { *(.debug_loc) } \
  177. .debug_macinfo 0 : { *(.debug_macinfo) } \
  178. /* SGI/MIPS DWARF 2 extensions */ \
  179. .debug_weaknames 0 : { *(.debug_weaknames) } \
  180. .debug_funcnames 0 : { *(.debug_funcnames) } \
  181. .debug_typenames 0 : { *(.debug_typenames) } \
  182. .debug_varnames 0 : { *(.debug_varnames) } \
  183. /* Stabs debugging sections. */
  184. #define STABS_DEBUG \
  185. .stab 0 : { *(.stab) } \
  186. .stabstr 0 : { *(.stabstr) } \
  187. .stab.excl 0 : { *(.stab.excl) } \
  188. .stab.exclstr 0 : { *(.stab.exclstr) } \
  189. .stab.index 0 : { *(.stab.index) } \
  190. .stab.indexstr 0 : { *(.stab.indexstr) } \
  191. .comment 0 : { *(.comment) }
  192. #define BUG_TABLE \
  193. . = ALIGN(8); \
  194. __bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) { \
  195. __start___bug_table = .; \
  196. *(__bug_table) \
  197. __stop___bug_table = .; \
  198. }
  199. #define NOTES \
  200. .notes : { *(.note.*) } :note
  201. #define INITCALLS \
  202. *(.initcall0.init) \
  203. *(.initcall0s.init) \
  204. *(.initcall1.init) \
  205. *(.initcall1s.init) \
  206. *(.initcall2.init) \
  207. *(.initcall2s.init) \
  208. *(.initcall3.init) \
  209. *(.initcall3s.init) \
  210. *(.initcall4.init) \
  211. *(.initcall4s.init) \
  212. *(.initcall5.init) \
  213. *(.initcall5s.init) \
  214. *(.initcallrootfs.init) \
  215. *(.initcall6.init) \
  216. *(.initcall6s.init) \
  217. *(.initcall7.init) \
  218. *(.initcall7s.init)