vmlinux.lds.S 3.1 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. .data : { /* Data */
  62. . = . + DATAOFFSET; /* for CONFIG_MAPPED_KERNEL */
  63. INIT_TASK_DATA(PAGE_SIZE)
  64. NOSAVE_DATA
  65. CACHELINE_ALIGNED_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
  66. READ_MOSTLY_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
  67. DATA_DATA
  68. CONSTRUCTORS
  69. }
  70. _gp = . + 0x8000;
  71. .lit8 : {
  72. *(.lit8)
  73. }
  74. .lit4 : {
  75. *(.lit4)
  76. }
  77. /* We want the small data sections together, so single-instruction offsets
  78. can access them all, and initialized data all before uninitialized, so
  79. we can shorten the on-disk segment size. */
  80. .sdata : {
  81. *(.sdata)
  82. }
  83. _edata = .; /* End of data section */
  84. /* will be freed after init */
  85. . = ALIGN(PAGE_SIZE); /* Init code and data */
  86. __init_begin = .;
  87. INIT_TEXT_SECTION(PAGE_SIZE)
  88. INIT_DATA_SECTION(16)
  89. . = ALIGN(4);
  90. .mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) {
  91. __mips_machines_start = .;
  92. *(.mips.machines.init)
  93. __mips_machines_end = .;
  94. }
  95. /* .exit.text is discarded at runtime, not link time, to deal with
  96. * references from .rodata
  97. */
  98. .exit.text : {
  99. EXIT_TEXT
  100. }
  101. .exit.data : {
  102. EXIT_DATA
  103. }
  104. PERCPU_SECTION(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
  105. . = ALIGN(PAGE_SIZE);
  106. __init_end = .;
  107. /* freed after init ends here */
  108. BSS_SECTION(0, 0, 0)
  109. _end = . ;
  110. /* These mark the ABI of the kernel for debuggers. */
  111. .mdebug.abi32 : {
  112. KEEP(*(.mdebug.abi32))
  113. }
  114. .mdebug.abi64 : {
  115. KEEP(*(.mdebug.abi64))
  116. }
  117. /* This is the MIPS specific mdebug section. */
  118. .mdebug : {
  119. *(.mdebug)
  120. }
  121. STABS_DEBUG
  122. DWARF_DEBUG
  123. /* These must appear regardless of . */
  124. .gptab.sdata : {
  125. *(.gptab.data)
  126. *(.gptab.sdata)
  127. }
  128. .gptab.sbss : {
  129. *(.gptab.bss)
  130. *(.gptab.sbss)
  131. }
  132. /* Sections to be discarded */
  133. DISCARDS
  134. /DISCARD/ : {
  135. /* ABI crap starts here */
  136. *(.MIPS.options)
  137. *(.options)
  138. *(.pdr)
  139. *(.reginfo)
  140. }
  141. }