LXR linux/arch/c6x/kernel/vmlinux.lds.S

   1/*
   2 * ld script for the c6x kernel
   3 *
   4 *  Copyright (C) 2010, 2011 Texas Instruments Incorporated
   5 *  Mark Salter <msalter@redhat.com>
   6 */
   7#include <asm-generic/vmlinux.lds.h>
   8#include <asm/thread_info.h>
   9#include <asm/page.h>
  10
  11ENTRY(_c_int00)
  12
  13#if defined(CONFIG_CPU_BIG_ENDIAN)
  14jiffies = jiffies_64 + 4;
  15#else
  16jiffies = jiffies_64;
  17#endif
  18
  19#define READONLY_SEGMENT_START  \
  20        . = PAGE_OFFSET;
  21#define READWRITE_SEGMENT_START \
  22        . = ALIGN(128);         \
  23        _data_lma = .;
  24
  25SECTIONS
  26{
  27        /*
  28         * Start kernel read only segment
  29         */
  30        READONLY_SEGMENT_START
  31
  32        .vectors :
  33        {
  34                _vectors_start = .;
  35                *(.vectors)
  36                . = ALIGN(0x400);
  37                _vectors_end = .;
  38        }
  39
  40        . = ALIGN(0x1000);
  41        .cmdline :
  42        {
  43                *(.cmdline)
  44        }
  45
  46        /*
  47         * This section contains data which may be shared with other
  48         * cores. It needs to be a fixed offset from PAGE_OFFSET
  49         * regardless of kernel configuration.
  50         */
  51        .virtio_ipc_dev :
  52        {
  53                *(.virtio_ipc_dev)
  54        }
  55
  56        . = ALIGN(PAGE_SIZE);
  57        __init_begin = .;
  58        .init :
  59        {
  60                _sinittext = .;
  61                HEAD_TEXT
  62                INIT_TEXT
  63                _einittext = .;
  64        }
  65
  66        INIT_DATA_SECTION(16)
  67
  68        PERCPU_SECTION(128)
  69
  70        . = ALIGN(PAGE_SIZE);
  71        __init_end = .;
  72
  73        .text :
  74        {
  75                _text = .;
  76                _stext = .;
  77                TEXT_TEXT
  78                SCHED_TEXT
  79                LOCK_TEXT
  80                IRQENTRY_TEXT
  81                KPROBES_TEXT
  82                *(.fixup)
  83                *(.gnu.warning)
  84        }
  85
  86        EXCEPTION_TABLE(16)
  87        NOTES
  88
  89        RO_DATA_SECTION(PAGE_SIZE)
  90        .const :
  91        {
  92                *(.const .const.* .gnu.linkonce.r.*)
  93                *(.switch)
  94        }
  95
  96        . = ALIGN (8) ;
  97        __fdt_blob : AT(ADDR(__fdt_blob) - LOAD_OFFSET)
  98        {
  99                _fdt_start = . ;        /* place for fdt blob */
 100                *(__fdt_blob) ;         /* Any link-placed DTB */
 101                BYTE(0);                /* section always has contents */
 102                . = _fdt_start + 0x4000;        /* Pad up to 16kbyte */
 103                _fdt_end = . ;
 104        }
 105
 106        _etext = .;
 107
 108        /*
 109         * Start kernel read-write segment.
 110         */
 111        READWRITE_SEGMENT_START
 112        _sdata = .;
 113
 114        .fardata : AT(ADDR(.fardata) - LOAD_OFFSET)
 115        {
 116                INIT_TASK_DATA(THREAD_SIZE)
 117                NOSAVE_DATA
 118                PAGE_ALIGNED_DATA(PAGE_SIZE)
 119                CACHELINE_ALIGNED_DATA(128)
 120                READ_MOSTLY_DATA(128)
 121                DATA_DATA
 122                CONSTRUCTORS
 123                *(.data1)
 124                *(.fardata .fardata.*)
 125                *(.data.debug_bpt)
 126        }
 127
 128        .neardata ALIGN(8) : AT(ADDR(.neardata) - LOAD_OFFSET)
 129        {
 130                *(.neardata2 .neardata2.* .gnu.linkonce.s2.*)
 131                *(.neardata .neardata.* .gnu.linkonce.s.*)
 132                . = ALIGN(8);
 133        }
 134
 135        _edata = .;
 136
 137        __bss_start = .;
 138        SBSS(8)
 139        BSS(8)
 140        .far :
 141        {
 142                . = ALIGN(8);
 143                *(.dynfar)
 144                *(.far .far.* .gnu.linkonce.b.*)
 145                . = ALIGN(8);
 146        }
 147        __bss_stop = .;
 148
 149        _end = .;
 150
 151        DWARF_DEBUG
 152
 153        /DISCARD/ :
 154        {
 155                  EXIT_TEXT
 156                  EXIT_DATA
 157                  EXIT_CALL
 158                  *(.discard)
 159                  *(.discard.*)
 160                  *(.interp)
 161        }
 162}
 163