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
  14 ifdef CONFIG_32BIT
  15         ifdef CONFIG_CPU_LITTLE_ENDIAN
  16                 jiffies  = jiffies_64;
  17         else
  18                 jiffies  = jiffies_64 + 4;
  19         endif
  20 else
  21         jiffies  = jiffies_64;
  22 endif
  23
  24 SECTIONS
  25 {
  26 #ifdef CONFIG_BOOT_ELF64
  27         /* Read-only sections, merged into text segment: */
  28         /* . = 0xc000000000000000; */
  29
  30         /* This is the value for an Origin kernel, taken from an IRIX kernel.  */
  31         /* . = 0xc00000000001c000; */
  32
  33         /* Set the vaddr for the text segment to a value
  34          *   >= 0xa800 0000 0001 9000 if no symmon is going to configured
  35          *   >= 0xa800 0000 0030 0000 otherwise
  36          */
  37
  38         /* . = 0xa800000000300000; */
  39         . = 0xffffffff80300000;
  40 #endif
  41         . = VMLINUX_LOAD_ADDRESS;
  42         /* read-only */
  43         _text = .;      /* Text and read-only data */
  44         .text : {
  45                 TEXT_TEXT
  46                 SCHED_TEXT
  47                 LOCK_TEXT
  48                 KPROBES_TEXT
  49                 *(.text.*)
  50                 *(.fixup)
  51                 *(.gnu.warning)
  52         } :text = 0
  53         _etext = .;     /* End of text section */
  54
  55         EXCEPTION_TABLE(16)
  56
  57         /* Exception table for data bus errors */
  58         __dbe_table : {
  59                 __start___dbe_table = .;
  60                 *(__dbe_table)
  61                 __stop___dbe_table = .;
  62         }
  63
  64         NOTES :text :note
  65         .dummy : { *(.dummy) } :text
  66
  67         RODATA
  68
  69         /* writeable */
  70         .data : {       /* Data */
  71                 . = . + DATAOFFSET;             /* for CONFIG_MAPPED_KERNEL */
  72
  73                 INIT_TASK_DATA(PAGE_SIZE)
  74                 NOSAVE_DATA
  75                 CACHELINE_ALIGNED_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
  76                 DATA_DATA
  77                 CONSTRUCTORS
  78         }
  79         _gp = . + 0x8000;
  80         .lit8 : {
  81                 *(.lit8)
  82         }
  83         .lit4 : {
  84                 *(.lit4)
  85         }
  86         /* We want the small data sections together, so single-instruction offsets
  87            can access them all, and initialized data all before uninitialized, so
  88            we can shorten the on-disk segment size.  */
  89         .sdata : {
  90                 *(.sdata)
  91         }
  92         _edata =  .;                    /* End of data section */
  93
  94         /* will be freed after init */
  95         . = ALIGN(PAGE_SIZE);           /* Init code and data */
  96         __init_begin = .;
  97         INIT_TEXT_SECTION(PAGE_SIZE)
  98         INIT_DATA_SECTION(16)
  99
 100         /* .exit.text is discarded at runtime, not link time, to deal with
 101          * references from .rodata
 102          */
 103         .exit.text : {
 104                 EXIT_TEXT
 105         }
 106         .exit.data : {
 107                 EXIT_DATA
 108         }
 109
 110         PERCPU(PAGE_SIZE)
 111         . = ALIGN(PAGE_SIZE);
 112         __init_end = .;
 113         /* freed after init ends here */
 114
 115         BSS_SECTION(0, 0, 0)
 116
 117         _end = . ;
 118
 119         /* These mark the ABI of the kernel for debuggers.  */
 120         .mdebug.abi32 : {
 121                 KEEP(*(.mdebug.abi32))
 122         }
 123         .mdebug.abi64 : {
 124                 KEEP(*(.mdebug.abi64))
 125         }
 126
 127         /* This is the MIPS specific mdebug section.  */
 128         .mdebug : {
 129                 *(.mdebug)
 130         }
 131
 132         STABS_DEBUG
 133         DWARF_DEBUG
 134
 135         /* These must appear regardless of  .  */
 136         .gptab.sdata : {
 137                 *(.gptab.data)
 138                 *(.gptab.sdata)
 139         }
 140         .gptab.sbss : {
 141                 *(.gptab.bss)
 142                 *(.gptab.sbss)
 143         }
 144
 145         /* Sections to be discarded */
 146         DISCARDS
 147         /DISCARD/ : {
 148                 /* ABI crap starts here */
 149                 *(.MIPS.options)
 150                 *(.options)
 151                 *(.pdr)
 152                 *(.reginfo)
 153         }
 154 }