arch/sh/kernel/vmlinux_32.lds.S

   1 /*
   2  * ld script to make SuperH Linux kernel
   3  * Written by Niibe Yutaka
   4  */
   5 #include <asm/thread_info.h>
   6 #include <asm/cache.h>
   7 #include <asm-generic/vmlinux.lds.h>
   8
   9 #ifdef CONFIG_CPU_LITTLE_ENDIAN
  10 OUTPUT_FORMAT("elf32-sh-linux", "elf32-sh-linux", "elf32-sh-linux")
  11 #else
  12 OUTPUT_FORMAT("elf32-shbig-linux", "elf32-shbig-linux", "elf32-shbig-linux")
  13 #endif
  14 OUTPUT_ARCH(sh)
  15 ENTRY(_start)
  16 SECTIONS
  17 {
  18 #ifdef CONFIG_32BIT
  19         . = CONFIG_PAGE_OFFSET + CONFIG_ZERO_PAGE_OFFSET;
  20 #else
  21         . = CONFIG_PAGE_OFFSET + CONFIG_MEMORY_START + CONFIG_ZERO_PAGE_OFFSET;
  22 #endif
  23
  24         _text = .;                      /* Text and read-only data */
  25
  26         .empty_zero_page : {
  27                 *(.empty_zero_page)
  28         } = 0
  29
  30         .text : {
  31                 *(.text.head)
  32                 TEXT_TEXT
  33                 SCHED_TEXT
  34                 LOCK_TEXT
  35                 KPROBES_TEXT
  36                 *(.fixup)
  37                 *(.gnu.warning)
  38         } = 0x0009
  39
  40         . = ALIGN(16);          /* Exception table */
  41         __start___ex_table = .;
  42         __ex_table : { *(__ex_table) }
  43         __stop___ex_table = .;
  44
  45         _etext = .;                     /* End of text section */
  46
  47         NOTES
  48         RO_DATA(PAGE_SIZE)
  49
  50         /*
  51          * Code which must be executed uncached and the associated data
  52          */
  53         . = ALIGN(PAGE_SIZE);
  54         __uncached_start = .;
  55         .uncached.text : { *(.uncached.text) }
  56         .uncached.data : { *(.uncached.data) }
  57         __uncached_end = .;
  58
  59         . = ALIGN(THREAD_SIZE);
  60         .data : {                       /* Data */
  61                 *(.data.init_task)
  62
  63                 . = ALIGN(L1_CACHE_BYTES);
  64                 *(.data.cacheline_aligned)
  65
  66                 . = ALIGN(L1_CACHE_BYTES);
  67                 *(.data.read_mostly)
  68
  69                 . = ALIGN(PAGE_SIZE);
  70                 *(.data.page_aligned)
  71
  72                 __nosave_begin = .;
  73                 *(.data.nosave)
  74                 . = ALIGN(PAGE_SIZE);
  75                 __nosave_end = .;
  76
  77                 DATA_DATA
  78                 CONSTRUCTORS
  79         }
  80
  81         _edata = .;                     /* End of data section */
  82
  83         . = ALIGN(PAGE_SIZE);           /* Init code and data */
  84         __init_begin = .;
  85         _sinittext = .;
  86         .init.text : { INIT_TEXT }
  87         _einittext = .;
  88         .init.data : { INIT_DATA }
  89
  90         . = ALIGN(16);
  91         __setup_start = .;
  92         .init.setup : { *(.init.setup) }
  93         __setup_end = .;
  94
  95         __initcall_start = .;
  96         .initcall.init : {
  97                 INITCALLS
  98         }
  99         __initcall_end = .;
 100         __con_initcall_start = .;
 101         .con_initcall.init : { *(.con_initcall.init) }
 102         __con_initcall_end = .;
 103
 104         SECURITY_INIT
 105
 106 #ifdef CONFIG_BLK_DEV_INITRD
 107         . = ALIGN(PAGE_SIZE);
 108         __initramfs_start = .;
 109         .init.ramfs : { *(.init.ramfs) }
 110         __initramfs_end = .;
 111 #endif
 112
 113         . = ALIGN(4);
 114         __machvec_start = .;
 115         .machvec.init : { *(.machvec.init) }
 116         __machvec_end = .;
 117
 118         PERCPU(PAGE_SIZE)
 119
 120         /*
 121          * .exit.text is discarded at runtime, not link time, to deal with
 122          * references from __bug_table
 123          */
 124         .exit.text : { EXIT_TEXT }
 125         .exit.data : { EXIT_DATA }
 126
 127         . = ALIGN(PAGE_SIZE);
 128         .bss : {
 129                 __init_end = .;
 130                 __bss_start = .;                /* BSS */
 131                 *(.bss.page_aligned)
 132                 *(.bss)
 133                 *(COMMON)
 134                 . = ALIGN(4);
 135                 _ebss = .;                      /* uClinux MTD sucks */
 136                 _end = . ;
 137         }
 138
 139         /*
 140          * When something in the kernel is NOT compiled as a module, the
 141          * module cleanup code and data are put into these segments. Both
 142          * can then be thrown away, as cleanup code is never called unless
 143          * it's a module.
 144          */
 145         /DISCARD/ : {
 146                 *(.exitcall.exit)
 147         }
 148
 149         STABS_DEBUG
 150         DWARF_DEBUG
 151 }