arch/mips/kernel/vmlinux.lds.S

   1 #include <asm/asm-offsets.h>
   2 #include <asm/page.h>
   3 #include <asm-generic/vmlinux.lds.h>
   4
   5 #undef mips
   6 #define mips mips
   7 OUTPUT_ARCH(mips)
   8 ENTRY(kernel_entry)
   9 PHDRS {
  10         text PT_LOAD FLAGS(7);  /* RWX */
  11         note PT_NOTE FLAGS(4);  /* R__ */
  12 }
  13 jiffies = JIFFIES;
  14
  15 SECTIONS
  16 {
  17 #ifdef CONFIG_BOOT_ELF64
  18         /* Read-only sections, merged into text segment: */
  19         /* . = 0xc000000000000000; */
  20
  21         /* This is the value for an Origin kernel, taken from an IRIX kernel.  */
  22         /* . = 0xc00000000001c000; */
  23
  24         /* Set the vaddr for the text segment to a value
  25          *   >= 0xa800 0000 0001 9000 if no symmon is going to configured
  26          *   >= 0xa800 0000 0030 0000 otherwise
  27          */
  28
  29         /* . = 0xa800000000300000; */
  30         . = 0xffffffff80300000;
  31 #endif
  32         . = LOADADDR;
  33         /* read-only */
  34         _text = .;      /* Text and read-only data */
  35         .text : {
  36                 TEXT_TEXT
  37                 SCHED_TEXT
  38                 LOCK_TEXT
  39                 KPROBES_TEXT
  40                 *(.text.*)
  41                 *(.fixup)
  42                 *(.gnu.warning)
  43         } :text = 0
  44         _etext = .;     /* End of text section */
  45
  46         EXCEPTION_TABLE(16)
  47
  48         /* Exception table for data bus errors */
  49         __dbe_table : {
  50                 __start___dbe_table = .;
  51                 *(__dbe_table)
  52                 __stop___dbe_table = .;
  53         }
  54
  55         NOTES :text :note
  56         .dummy : { *(.dummy) } :text
  57
  58         RODATA
  59
  60         /* writeable */
  61         .data : {       /* Data */
  62                 . = . + DATAOFFSET;             /* for CONFIG_MAPPED_KERNEL */
  63
  64                 INIT_TASK_DATA(PAGE_SIZE)
  65                 NOSAVE_DATA
  66                 CACHELINE_ALIGNED_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
  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
  91         /* .exit.text is discarded at runtime, not link time, to deal with
  92          * references from .rodata
  93          */
  94         .exit.text : {
  95                 EXIT_TEXT
  96         }
  97         .exit.data : {
  98                 EXIT_DATA
  99         }
 100
 101         PERCPU(PAGE_SIZE)
 102         . = ALIGN(PAGE_SIZE);
 103         __init_end = .;
 104         /* freed after init ends here */
 105
 106         BSS_SECTION(0, 0, 0)
 107
 108         _end = . ;
 109
 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
 118         /* This is the MIPS specific mdebug section.  */
 119         .mdebug : {
 120                 *(.mdebug)
 121         }
 122
 123         STABS_DEBUG
 124         DWARF_DEBUG
 125
 126         /* These must appear regardless of  .  */
 127         .gptab.sdata : {
 128                 *(.gptab.data)
 129                 *(.gptab.sdata)
 130         }
 131         .gptab.sbss : {
 132                 *(.gptab.bss)
 133                 *(.gptab.sbss)
 134         }
 135
 136         /* Sections to be discarded */
 137         DISCARDS
 138         /DISCARD/ : {
 139                 /* ABI crap starts here */
 140                 *(.MIPS.options)
 141                 *(.options)
 142                 *(.pdr)
 143                 *(.reginfo)
 144         }
 145 }