vmlinux.lds.S 2.8 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. RODATA
  59. /* writeable */
  60. .data : { /* Data */
  61. . = . + DATAOFFSET; /* for CONFIG_MAPPED_KERNEL */
  62. INIT_TASK_DATA(PAGE_SIZE)
  63. NOSAVE_DATA
  64. CACHELINE_ALIGNED_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
  65. DATA_DATA
  66. CONSTRUCTORS
  67. }
  68. _gp = . + 0x8000;
  69. .lit8 : {
  70. *(.lit8)
  71. }
  72. .lit4 : {
  73. *(.lit4)
  74. }
  75. /* We want the small data sections together, so single-instruction offsets
  76. can access them all, and initialized data all before uninitialized, so
  77. we can shorten the on-disk segment size. */
  78. .sdata : {
  79. *(.sdata)
  80. }
  81. _edata = .; /* End of data section */
  82. /* will be freed after init */
  83. . = ALIGN(PAGE_SIZE); /* Init code and data */
  84. __init_begin = .;
  85. INIT_TEXT_SECTION(PAGE_SIZE)
  86. INIT_DATA_SECTION(16)
  87. /* .exit.text is discarded at runtime, not link time, to deal with
  88. * references from .rodata
  89. */
  90. .exit.text : {
  91. EXIT_TEXT
  92. }
  93. .exit.data : {
  94. EXIT_DATA
  95. }
  96. PERCPU(PAGE_SIZE)
  97. . = ALIGN(PAGE_SIZE);
  98. __init_end = .;
  99. /* freed after init ends here */
  100. BSS_SECTION(0, 0, 0)
  101. _end = . ;
  102. /* These mark the ABI of the kernel for debuggers. */
  103. .mdebug.abi32 : {
  104. KEEP(*(.mdebug.abi32))
  105. }
  106. .mdebug.abi64 : {
  107. KEEP(*(.mdebug.abi64))
  108. }
  109. /* This is the MIPS specific mdebug section. */
  110. .mdebug : {
  111. *(.mdebug)
  112. }
  113. STABS_DEBUG
  114. DWARF_DEBUG
  115. /* These must appear regardless of . */
  116. .gptab.sdata : {
  117. *(.gptab.data)
  118. *(.gptab.sdata)
  119. }
  120. .gptab.sbss : {
  121. *(.gptab.bss)
  122. *(.gptab.sbss)
  123. }
  124. /* Sections to be discarded */
  125. DISCARDS
  126. /DISCARD/ : {
  127. /* ABI crap starts here */
  128. *(.MIPS.options)
  129. *(.options)
  130. *(.pdr)
  131. *(.reginfo)
  132. }
  133. }