vmlinux.lds.S 3.2 KB

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  1. #include <asm/asm-offsets.h>
  2. #include <asm/page.h>
  3. #include <asm-generic/vmlinux.lds.h>
  4. #undef mips
  5. #define mips mips
  6. OUTPUT_ARCH(mips)
  7. ENTRY(kernel_entry)
  8. PHDRS {
  9. text PT_LOAD FLAGS(7); /* RWX */
  10. note PT_NOTE FLAGS(4); /* R__ */
  11. }
  12. #ifdef CONFIG_32BIT
  13. #ifdef CONFIG_CPU_LITTLE_ENDIAN
  14. jiffies = jiffies_64;
  15. #else
  16. jiffies = jiffies_64 + 4;
  17. #endif
  18. #else
  19. jiffies = jiffies_64;
  20. #endif
  21. SECTIONS
  22. {
  23. #ifdef CONFIG_BOOT_ELF64
  24. /* Read-only sections, merged into text segment: */
  25. /* . = 0xc000000000000000; */
  26. /* This is the value for an Origin kernel, taken from an IRIX kernel. */
  27. /* . = 0xc00000000001c000; */
  28. /* Set the vaddr for the text segment to a value
  29. * >= 0xa800 0000 0001 9000 if no symmon is going to configured
  30. * >= 0xa800 0000 0030 0000 otherwise
  31. */
  32. /* . = 0xa800000000300000; */
  33. . = 0xffffffff80300000;
  34. #endif
  35. . = VMLINUX_LOAD_ADDRESS;
  36. /* read-only */
  37. _text = .; /* Text and read-only data */
  38. .text : {
  39. TEXT_TEXT
  40. SCHED_TEXT
  41. LOCK_TEXT
  42. KPROBES_TEXT
  43. IRQENTRY_TEXT
  44. *(.text.*)
  45. *(.fixup)
  46. *(.gnu.warning)
  47. } :text = 0
  48. _etext = .; /* End of text section */
  49. EXCEPTION_TABLE(16)
  50. /* Exception table for data bus errors */
  51. __dbe_table : {
  52. __start___dbe_table = .;
  53. *(__dbe_table)
  54. __stop___dbe_table = .;
  55. }
  56. NOTES :text :note
  57. .dummy : { *(.dummy) } :text
  58. _sdata = .; /* Start of data section */
  59. RODATA
  60. /* writeable */
  61. _sdata = .; /* Start of data section */
  62. .data : { /* Data */
  63. . = . + DATAOFFSET; /* for CONFIG_MAPPED_KERNEL */
  64. INIT_TASK_DATA(PAGE_SIZE)
  65. NOSAVE_DATA
  66. CACHELINE_ALIGNED_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
  67. READ_MOSTLY_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
  68. DATA_DATA
  69. CONSTRUCTORS
  70. }
  71. _gp = . + 0x8000;
  72. .lit8 : {
  73. *(.lit8)
  74. }
  75. .lit4 : {
  76. *(.lit4)
  77. }
  78. /* We want the small data sections together, so single-instruction offsets
  79. can access them all, and initialized data all before uninitialized, so
  80. we can shorten the on-disk segment size. */
  81. .sdata : {
  82. *(.sdata)
  83. }
  84. _edata = .; /* End of data section */
  85. /* will be freed after init */
  86. . = ALIGN(PAGE_SIZE); /* Init code and data */
  87. __init_begin = .;
  88. INIT_TEXT_SECTION(PAGE_SIZE)
  89. INIT_DATA_SECTION(16)
  90. . = ALIGN(4);
  91. .mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) {
  92. __mips_machines_start = .;
  93. *(.mips.machines.init)
  94. __mips_machines_end = .;
  95. }
  96. /* .exit.text is discarded at runtime, not link time, to deal with
  97. * references from .rodata
  98. */
  99. .exit.text : {
  100. EXIT_TEXT
  101. }
  102. .exit.data : {
  103. EXIT_DATA
  104. }
  105. PERCPU_SECTION(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
  106. . = ALIGN(PAGE_SIZE);
  107. __init_end = .;
  108. /* freed after init ends here */
  109. BSS_SECTION(0, 0, 0)
  110. _end = . ;
  111. /* These mark the ABI of the kernel for debuggers. */
  112. .mdebug.abi32 : {
  113. KEEP(*(.mdebug.abi32))
  114. }
  115. .mdebug.abi64 : {
  116. KEEP(*(.mdebug.abi64))
  117. }
  118. /* This is the MIPS specific mdebug section. */
  119. .mdebug : {
  120. *(.mdebug)
  121. }
  122. STABS_DEBUG
  123. DWARF_DEBUG
  124. /* These must appear regardless of . */
  125. .gptab.sdata : {
  126. *(.gptab.data)
  127. *(.gptab.sdata)
  128. }
  129. .gptab.sbss : {
  130. *(.gptab.bss)
  131. *(.gptab.sbss)
  132. }
  133. /* Sections to be discarded */
  134. DISCARDS
  135. /DISCARD/ : {
  136. /* ABI crap starts here */
  137. *(.MIPS.options)
  138. *(.options)
  139. *(.pdr)
  140. *(.reginfo)
  141. }
  142. }