arch/arm/kernel/vmlinux.lds.S

   1 /* ld script to make ARM Linux kernel
   2  * taken from the i386 version by Russell King
   3  * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>
   4  */
   5
   6 #include <asm-generic/vmlinux.lds.h>
   7 #include <linux/config.h>
   8
   9 OUTPUT_ARCH(arm)
  10 ENTRY(stext)
  11 #ifndef __ARMEB__
  12 jiffies = jiffies_64;
  13 #else
  14 jiffies = jiffies_64 + 4;
  15 #endif
  16 SECTIONS
  17 {
  18         . = TEXTADDR;
  19         .init : {                       /* Init code and data           */
  20                 _stext = .;
  21                         _sinittext = .;
  22                         *(.init.text)
  23                         _einittext = .;
  24                 __proc_info_begin = .;
  25                         *(.proc.info)
  26                 __proc_info_end = .;
  27                 __arch_info_begin = .;
  28                         *(.arch.info)
  29                 __arch_info_end = .;
  30                 __tagtable_begin = .;
  31                         *(.taglist)
  32                 __tagtable_end = .;
  33                 . = ALIGN(16);
  34                 __setup_start = .;
  35                         *(.init.setup)
  36                 __setup_end = .;
  37                 __early_begin = .;
  38                         *(__early_param)
  39                 __early_end = .;
  40                 __initcall_start = .;
  41                         *(.initcall1.init)
  42                         *(.initcall2.init)
  43                         *(.initcall3.init)
  44                         *(.initcall4.init)
  45                         *(.initcall5.init)
  46                         *(.initcall6.init)
  47                         *(.initcall7.init)
  48                 __initcall_end = .;
  49                 __con_initcall_start = .;
  50                         *(.con_initcall.init)
  51                 __con_initcall_end = .;
  52                 __security_initcall_start = .;
  53                         *(.security_initcall.init)
  54                 __security_initcall_end = .;
  55                 . = ALIGN(32);
  56                 __initramfs_start = .;
  57                         usr/built-in.o(.init.ramfs)
  58                 __initramfs_end = .;
  59                 . = ALIGN(64);
  60                 __per_cpu_start = .;
  61                         *(.data.percpu)
  62                 __per_cpu_end = .;
  63 #ifndef CONFIG_XIP_KERNEL
  64                 __init_begin = _stext;
  65                 *(.init.data)
  66                 . = ALIGN(4096);
  67                 __init_end = .;
  68 #endif
  69         }
  70
  71         /DISCARD/ : {                   /* Exit code and data           */
  72                 *(.exit.text)
  73                 *(.exit.data)
  74                 *(.exitcall.exit)
  75         }
  76
  77         .text : {                       /* Real text segment            */
  78                 _text = .;              /* Text and read-only data      */
  79                         *(.text)
  80                         SCHED_TEXT
  81                         LOCK_TEXT
  82                         *(.fixup)
  83                         *(.gnu.warning)
  84                         *(.rodata)
  85                         *(.rodata.*)
  86                         *(.glue_7)
  87                         *(.glue_7t)
  88                 *(.got)                 /* Global offset table          */
  89         }
  90
  91         . = ALIGN(16);
  92         __ex_table : {                  /* Exception table              */
  93                 __start___ex_table = .;
  94                         *(__ex_table)
  95                 __stop___ex_table = .;
  96         }
  97
  98         RODATA
  99
 100         _etext = .;                     /* End of text and rodata section */
 101
 102 #ifdef CONFIG_XIP_KERNEL
 103         __data_loc = ALIGN(4);          /* location in binary */
 104         . = DATAADDR;
 105 #else
 106         . = ALIGN(8192);
 107         __data_loc = .;
 108 #endif
 109
 110         .data : AT(__data_loc) {
 111                 __data_start = .;       /* address in memory */
 112
 113                 /*
 114                  * first, the init task union, aligned
 115                  * to an 8192 byte boundary.
 116                  */
 117                 *(.init.task)
 118
 119 #ifdef CONFIG_XIP_KERNEL
 120                 . = ALIGN(4096);
 121                 __init_begin = .;
 122                 *(.init.data)
 123                 . = ALIGN(4096);
 124                 __init_end = .;
 125 #endif
 126
 127                 . = ALIGN(4096);
 128                 __nosave_begin = .;
 129                 *(.data.nosave)
 130                 . = ALIGN(4096);
 131                 __nosave_end = .;
 132
 133                 /*
 134                  * then the cacheline aligned data
 135                  */
 136                 . = ALIGN(32);
 137                 *(.data.cacheline_aligned)
 138
 139                 /*
 140                  * and the usual data section
 141                  */
 142                 *(.data)
 143                 CONSTRUCTORS
 144
 145                 _edata = .;
 146         }
 147
 148         .bss : {
 149                 __bss_start = .;        /* BSS                          */
 150                 *(.bss)
 151                 *(COMMON)
 152                 _end = .;
 153         }
 154                                         /* Stabs debugging sections.    */
 155         .stab 0 : { *(.stab) }
 156         .stabstr 0 : { *(.stabstr) }
 157         .stab.excl 0 : { *(.stab.excl) }
 158         .stab.exclstr 0 : { *(.stab.exclstr) }
 159         .stab.index 0 : { *(.stab.index) }
 160         .stab.indexstr 0 : { *(.stab.indexstr) }
 161         .comment 0 : { *(.comment) }
 162 }
 163
 164 /* those must never be empty */
 165 ASSERT((__proc_info_end - __proc_info_begin), "missing CPU support")
 166 ASSERT((__arch_info_end - __arch_info_begin), "no machine record defined")