vmlinux.lds.S 4.4 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)
  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. #ifdef CONFIG_PPC64
  111. . = ALIGN(8);
  112. __fw_ftr_fixup : AT(ADDR(__fw_ftr_fixup) - LOAD_OFFSET) {
  113. __start___fw_ftr_fixup = .;
  114. *(__fw_ftr_fixup)
  115. __stop___fw_ftr_fixup = .;
  116. }
  117. #endif
  118. #ifdef CONFIG_BLK_DEV_INITRD
  119. . = ALIGN(PAGE_SIZE);
  120. .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
  121. __initramfs_start = .;
  122. *(.init.ramfs)
  123. __initramfs_end = .;
  124. }
  125. #endif
  126. . = ALIGN(PAGE_SIZE);
  127. .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) {
  128. __per_cpu_start = .;
  129. *(.data.percpu)
  130. *(.data.percpu.shared_aligned)
  131. __per_cpu_end = .;
  132. }
  133. . = ALIGN(8);
  134. .machine.desc : AT(ADDR(.machine.desc) - LOAD_OFFSET) {
  135. __machine_desc_start = . ;
  136. *(.machine.desc)
  137. __machine_desc_end = . ;
  138. }
  139. /* freed after init ends here */
  140. . = ALIGN(PAGE_SIZE);
  141. __init_end = .;
  142. /*
  143. * And now the various read/write data
  144. */
  145. . = ALIGN(PAGE_SIZE);
  146. _sdata = .;
  147. #ifdef CONFIG_PPC32
  148. .data : AT(ADDR(.data) - LOAD_OFFSET) {
  149. DATA_DATA
  150. *(.sdata)
  151. *(.got.plt) *(.got)
  152. }
  153. #else
  154. .data : AT(ADDR(.data) - LOAD_OFFSET) {
  155. DATA_DATA
  156. *(.data.rel*)
  157. *(.toc1)
  158. *(.branch_lt)
  159. }
  160. .opd : AT(ADDR(.opd) - LOAD_OFFSET) {
  161. *(.opd)
  162. }
  163. .got : AT(ADDR(.got) - LOAD_OFFSET) {
  164. __toc_start = .;
  165. *(.got)
  166. *(.toc)
  167. }
  168. #endif
  169. . = ALIGN(PAGE_SIZE);
  170. _edata = .;
  171. PROVIDE32 (edata = .);
  172. /* The initial task and kernel stack */
  173. #ifdef CONFIG_PPC32
  174. . = ALIGN(8192);
  175. #else
  176. . = ALIGN(16384);
  177. #endif
  178. .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
  179. *(.data.init_task)
  180. }
  181. . = ALIGN(PAGE_SIZE);
  182. .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
  183. *(.data.page_aligned)
  184. }
  185. .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
  186. *(.data.cacheline_aligned)
  187. }
  188. . = ALIGN(L1_CACHE_BYTES);
  189. .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) {
  190. *(.data.read_mostly)
  191. }
  192. . = ALIGN(PAGE_SIZE);
  193. .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
  194. __nosave_begin = .;
  195. *(.data.nosave)
  196. . = ALIGN(PAGE_SIZE);
  197. __nosave_end = .;
  198. }
  199. /*
  200. * And finally the bss
  201. */
  202. .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
  203. __bss_start = .;
  204. *(.sbss) *(.scommon)
  205. *(.dynbss)
  206. *(.bss)
  207. *(COMMON)
  208. __bss_stop = .;
  209. }
  210. . = ALIGN(PAGE_SIZE);
  211. _end = . ;
  212. PROVIDE32 (end = .);
  213. }