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

   1/*
   2 * ld script to make SuperH Linux kernel
   3 * Written by Niibe Yutaka and Paul Mundt
   4 */
   5#ifdef CONFIG_SUPERH64
   6#define LOAD_OFFSET     CONFIG_PAGE_OFFSET
   7OUTPUT_ARCH(sh:sh5)
   8#else
   9#define LOAD_OFFSET     0
  10OUTPUT_ARCH(sh)
  11#endif
  12
  13#include <asm/thread_info.h>
  14#include <asm/cache.h>
  15#include <asm/vmlinux.lds.h>
  16
  17ENTRY(_start)
  18SECTIONS
  19{
  20#ifdef CONFIG_PMB_FIXED
  21        . = CONFIG_PAGE_OFFSET + (CONFIG_MEMORY_START & 0x1fffffff) +
  22            CONFIG_ZERO_PAGE_OFFSET;
  23#elif defined(CONFIG_32BIT)
  24        . = CONFIG_PAGE_OFFSET + CONFIG_ZERO_PAGE_OFFSET;
  25#else
  26        . = CONFIG_PAGE_OFFSET + CONFIG_MEMORY_START + CONFIG_ZERO_PAGE_OFFSET;
  27#endif
  28
  29        _text = .;              /* Text and read-only data */
  30
  31        .empty_zero_page : AT(ADDR(.empty_zero_page) - LOAD_OFFSET) {
  32                *(.empty_zero_page)
  33        } = 0
  34
  35        .text : AT(ADDR(.text) - LOAD_OFFSET) {
  36                HEAD_TEXT
  37                TEXT_TEXT
  38
  39#ifdef CONFIG_SUPERH64
  40                *(.text64)
  41                *(.text..SHmedia32)
  42#endif
  43
  44                SCHED_TEXT
  45                LOCK_TEXT
  46                KPROBES_TEXT
  47                IRQENTRY_TEXT
  48                *(.fixup)
  49                *(.gnu.warning)
  50                _etext = .;             /* End of text section */
  51        } = 0x0009
  52
  53        EXCEPTION_TABLE(16)
  54
  55        NOTES
  56        RO_DATA(PAGE_SIZE)
  57
  58        /*
  59         * Code which must be executed uncached and the associated data
  60         */
  61        . = ALIGN(PAGE_SIZE);
  62        .uncached : AT(ADDR(.uncached) - LOAD_OFFSET) {
  63                __uncached_start = .;
  64                *(.uncached.text)
  65                *(.uncached.data)
  66                __uncached_end = .;
  67        }
  68
  69        RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
  70
  71        _edata = .;                     /* End of data section */
  72
  73        DWARF_EH_FRAME
  74
  75        . = ALIGN(PAGE_SIZE);           /* Init code and data */
  76        __init_begin = .;
  77        INIT_TEXT_SECTION(PAGE_SIZE)
  78        INIT_DATA_SECTION(16)
  79
  80        . = ALIGN(4);
  81        .machvec.init : AT(ADDR(.machvec.init) - LOAD_OFFSET) {
  82                __machvec_start = .;
  83                *(.machvec.init)
  84                __machvec_end = .;
  85        }
  86
  87        PERCPU(PAGE_SIZE)
  88
  89        /*
  90         * .exit.text is discarded at runtime, not link time, to deal with
  91         * references from __bug_table
  92         */
  93        .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { EXIT_TEXT }
  94        .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { EXIT_DATA }
  95
  96        . = ALIGN(PAGE_SIZE);
  97        __init_end = .;
  98        BSS_SECTION(0, PAGE_SIZE, 4)
  99        _ebss = .;                      /* uClinux MTD sucks */
 100        _end = . ;
 101
 102        STABS_DEBUG
 103        DWARF_DEBUG
 104
 105        DISCARDS
 106}
 107