vmlinux.lds.S 4.6 KB

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  1. #ifdef CONFIG_PPC64
  2. #define PROVIDE32(x) PROVIDE(__unused__##x)
  3. #else
  4. #define PROVIDE32(x) PROVIDE(x)
  5. #endif
  6. #include <asm/page.h>
  7. #include <asm-generic/vmlinux.lds.h>
  8. #include <asm/cache.h>
  9. ENTRY(_stext)
  10. #ifdef CONFIG_PPC64
  11. OUTPUT_ARCH(powerpc:common64)
  12. jiffies = jiffies_64;
  13. #else
  14. OUTPUT_ARCH(powerpc:common)
  15. jiffies = jiffies_64 + 4;
  16. #endif
  17. SECTIONS
  18. {
  19. /* Sections to be discarded. */
  20. /DISCARD/ : {
  21. *(.exitcall.exit)
  22. EXIT_DATA
  23. }
  24. . = KERNELBASE;
  25. /*
  26. * Text, read only data and other permanent read-only sections
  27. */
  28. /* Text and gots */
  29. .text : AT(ADDR(.text) - LOAD_OFFSET) {
  30. ALIGN_FUNCTION();
  31. *(.text.head)
  32. _text = .;
  33. *(.text .fixup .text.init.refok .exit.text.refok __ftr_alt_*)
  34. SCHED_TEXT
  35. LOCK_TEXT
  36. KPROBES_TEXT
  37. #ifdef CONFIG_PPC32
  38. *(.got1)
  39. __got2_start = .;
  40. *(.got2)
  41. __got2_end = .;
  42. #endif /* CONFIG_PPC32 */
  43. . = ALIGN(PAGE_SIZE);
  44. _etext = .;
  45. PROVIDE32 (etext = .);
  46. }
  47. /* Read-only data */
  48. RODATA
  49. /* Exception & bug tables */
  50. __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
  51. __start___ex_table = .;
  52. *(__ex_table)
  53. __stop___ex_table = .;
  54. }
  55. NOTES
  56. BUG_TABLE
  57. /*
  58. * Init sections discarded at runtime
  59. */
  60. . = ALIGN(PAGE_SIZE);
  61. __init_begin = .;
  62. .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
  63. _sinittext = .;
  64. INIT_TEXT
  65. _einittext = .;
  66. }
  67. /* .exit.text is discarded at runtime, not link time,
  68. * to deal with references from __bug_table
  69. */
  70. .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) {
  71. EXIT_TEXT
  72. }
  73. .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
  74. INIT_DATA
  75. __vtop_table_begin = .;
  76. *(.vtop_fixup);
  77. __vtop_table_end = .;
  78. __ptov_table_begin = .;
  79. *(.ptov_fixup);
  80. __ptov_table_end = .;
  81. #ifdef CONFIG_PPC_ISERIES
  82. __dt_strings_start = .;
  83. *(.dt_strings);
  84. __dt_strings_end = .;
  85. #endif
  86. }
  87. . = ALIGN(16);
  88. .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
  89. __setup_start = .;
  90. *(.init.setup)
  91. __setup_end = .;
  92. }
  93. .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
  94. __initcall_start = .;
  95. INITCALLS
  96. __initcall_end = .;
  97. }
  98. .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
  99. __con_initcall_start = .;
  100. *(.con_initcall.init)
  101. __con_initcall_end = .;
  102. }
  103. SECURITY_INIT
  104. . = ALIGN(8);
  105. __ftr_fixup : AT(ADDR(__ftr_fixup) - LOAD_OFFSET) {
  106. __start___ftr_fixup = .;
  107. *(__ftr_fixup)
  108. __stop___ftr_fixup = .;
  109. }
  110. . = ALIGN(8);
  111. __lwsync_fixup : AT(ADDR(__lwsync_fixup) - LOAD_OFFSET) {
  112. __start___lwsync_fixup = .;
  113. *(__lwsync_fixup)
  114. __stop___lwsync_fixup = .;
  115. }
  116. #ifdef CONFIG_PPC64
  117. . = ALIGN(8);
  118. __fw_ftr_fixup : AT(ADDR(__fw_ftr_fixup) - LOAD_OFFSET) {
  119. __start___fw_ftr_fixup = .;
  120. *(__fw_ftr_fixup)
  121. __stop___fw_ftr_fixup = .;
  122. }
  123. #endif
  124. #ifdef CONFIG_BLK_DEV_INITRD
  125. . = ALIGN(PAGE_SIZE);
  126. .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
  127. __initramfs_start = .;
  128. *(.init.ramfs)
  129. __initramfs_end = .;
  130. }
  131. #endif
  132. . = ALIGN(PAGE_SIZE);
  133. .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) {
  134. __per_cpu_start = .;
  135. *(.data.percpu)
  136. *(.data.percpu.shared_aligned)
  137. __per_cpu_end = .;
  138. }
  139. . = ALIGN(8);
  140. .machine.desc : AT(ADDR(.machine.desc) - LOAD_OFFSET) {
  141. __machine_desc_start = . ;
  142. *(.machine.desc)
  143. __machine_desc_end = . ;
  144. }
  145. /* freed after init ends here */
  146. . = ALIGN(PAGE_SIZE);
  147. __init_end = .;
  148. /*
  149. * And now the various read/write data
  150. */
  151. . = ALIGN(PAGE_SIZE);
  152. _sdata = .;
  153. #ifdef CONFIG_PPC32
  154. .data : AT(ADDR(.data) - LOAD_OFFSET) {
  155. DATA_DATA
  156. *(.sdata)
  157. *(.got.plt) *(.got)
  158. }
  159. #else
  160. .data : AT(ADDR(.data) - LOAD_OFFSET) {
  161. DATA_DATA
  162. *(.data.rel*)
  163. *(.toc1)
  164. *(.branch_lt)
  165. }
  166. .opd : AT(ADDR(.opd) - LOAD_OFFSET) {
  167. *(.opd)
  168. }
  169. .got : AT(ADDR(.got) - LOAD_OFFSET) {
  170. __toc_start = .;
  171. *(.got)
  172. *(.toc)
  173. }
  174. #endif
  175. . = ALIGN(PAGE_SIZE);
  176. _edata = .;
  177. PROVIDE32 (edata = .);
  178. /* The initial task and kernel stack */
  179. #ifdef CONFIG_PPC32
  180. . = ALIGN(8192);
  181. #else
  182. . = ALIGN(16384);
  183. #endif
  184. .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
  185. *(.data.init_task)
  186. }
  187. . = ALIGN(PAGE_SIZE);
  188. .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
  189. *(.data.page_aligned)
  190. }
  191. .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
  192. *(.data.cacheline_aligned)
  193. }
  194. . = ALIGN(L1_CACHE_BYTES);
  195. .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) {
  196. *(.data.read_mostly)
  197. }
  198. . = ALIGN(PAGE_SIZE);
  199. .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
  200. __nosave_begin = .;
  201. *(.data.nosave)
  202. . = ALIGN(PAGE_SIZE);
  203. __nosave_end = .;
  204. }
  205. /*
  206. * And finally the bss
  207. */
  208. .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
  209. __bss_start = .;
  210. *(.sbss) *(.scommon)
  211. *(.dynbss)
  212. *(.bss)
  213. *(COMMON)
  214. __bss_stop = .;
  215. }
  216. . = ALIGN(PAGE_SIZE);
  217. _end = . ;
  218. PROVIDE32 (end = .);
  219. }