vmlinux.lds.S 4.4 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247
  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. /*
  57. * Init sections discarded at runtime
  58. */
  59. . = ALIGN(PAGE_SIZE);
  60. __init_begin = .;
  61. .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
  62. _sinittext = .;
  63. INIT_TEXT
  64. _einittext = .;
  65. }
  66. /* .exit.text is discarded at runtime, not link time,
  67. * to deal with references from __bug_table
  68. */
  69. .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) {
  70. EXIT_TEXT
  71. }
  72. .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
  73. INIT_DATA
  74. __vtop_table_begin = .;
  75. *(.vtop_fixup);
  76. __vtop_table_end = .;
  77. __ptov_table_begin = .;
  78. *(.ptov_fixup);
  79. __ptov_table_end = .;
  80. #ifdef CONFIG_PPC_ISERIES
  81. __dt_strings_start = .;
  82. *(.dt_strings);
  83. __dt_strings_end = .;
  84. #endif
  85. }
  86. . = ALIGN(16);
  87. .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
  88. __setup_start = .;
  89. *(.init.setup)
  90. __setup_end = .;
  91. }
  92. .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
  93. __initcall_start = .;
  94. INITCALLS
  95. __initcall_end = .;
  96. }
  97. .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
  98. __con_initcall_start = .;
  99. *(.con_initcall.init)
  100. __con_initcall_end = .;
  101. }
  102. SECURITY_INIT
  103. . = ALIGN(8);
  104. __ftr_fixup : AT(ADDR(__ftr_fixup) - LOAD_OFFSET) {
  105. __start___ftr_fixup = .;
  106. *(__ftr_fixup)
  107. __stop___ftr_fixup = .;
  108. }
  109. #ifdef CONFIG_PPC64
  110. . = ALIGN(8);
  111. __fw_ftr_fixup : AT(ADDR(__fw_ftr_fixup) - LOAD_OFFSET) {
  112. __start___fw_ftr_fixup = .;
  113. *(__fw_ftr_fixup)
  114. __stop___fw_ftr_fixup = .;
  115. }
  116. #endif
  117. #ifdef CONFIG_BLK_DEV_INITRD
  118. . = ALIGN(PAGE_SIZE);
  119. .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
  120. __initramfs_start = .;
  121. *(.init.ramfs)
  122. __initramfs_end = .;
  123. }
  124. #endif
  125. . = ALIGN(PAGE_SIZE);
  126. .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) {
  127. __per_cpu_start = .;
  128. *(.data.percpu)
  129. *(.data.percpu.shared_aligned)
  130. __per_cpu_end = .;
  131. }
  132. . = ALIGN(8);
  133. .machine.desc : AT(ADDR(.machine.desc) - LOAD_OFFSET) {
  134. __machine_desc_start = . ;
  135. *(.machine.desc)
  136. __machine_desc_end = . ;
  137. }
  138. /* freed after init ends here */
  139. . = ALIGN(PAGE_SIZE);
  140. __init_end = .;
  141. /*
  142. * And now the various read/write data
  143. */
  144. . = ALIGN(PAGE_SIZE);
  145. _sdata = .;
  146. #ifdef CONFIG_PPC32
  147. .data : AT(ADDR(.data) - LOAD_OFFSET) {
  148. DATA_DATA
  149. *(.sdata)
  150. *(.got.plt) *(.got)
  151. }
  152. #else
  153. .data : AT(ADDR(.data) - LOAD_OFFSET) {
  154. DATA_DATA
  155. *(.data.rel*)
  156. *(.toc1)
  157. *(.branch_lt)
  158. }
  159. .opd : AT(ADDR(.opd) - LOAD_OFFSET) {
  160. *(.opd)
  161. }
  162. .got : AT(ADDR(.got) - LOAD_OFFSET) {
  163. __toc_start = .;
  164. *(.got)
  165. *(.toc)
  166. }
  167. #endif
  168. . = ALIGN(PAGE_SIZE);
  169. _edata = .;
  170. PROVIDE32 (edata = .);
  171. /* The initial task and kernel stack */
  172. #ifdef CONFIG_PPC32
  173. . = ALIGN(8192);
  174. #else
  175. . = ALIGN(16384);
  176. #endif
  177. .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
  178. *(.data.init_task)
  179. }
  180. . = ALIGN(PAGE_SIZE);
  181. .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
  182. *(.data.page_aligned)
  183. }
  184. .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
  185. *(.data.cacheline_aligned)
  186. }
  187. . = ALIGN(L1_CACHE_BYTES);
  188. .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) {
  189. *(.data.read_mostly)
  190. }
  191. . = ALIGN(PAGE_SIZE);
  192. .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
  193. __nosave_begin = .;
  194. *(.data.nosave)
  195. . = ALIGN(PAGE_SIZE);
  196. __nosave_end = .;
  197. }
  198. /*
  199. * And finally the bss
  200. */
  201. .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
  202. __bss_start = .;
  203. *(.sbss) *(.scommon)
  204. *(.dynbss)
  205. *(.bss)
  206. *(COMMON)
  207. __bss_stop = .;
  208. }
  209. . = ALIGN(PAGE_SIZE);
  210. _end = . ;
  211. PROVIDE32 (end = .);
  212. }