arch/s390/kernel/vmlinux.lds.S

   1 /* ld script to make s390 Linux kernel
   2  * Written by Martin Schwidefsky (schwidefsky@de.ibm.com)
   3  */
   4
   5 #include <asm/page.h>
   6 #include <asm-generic/vmlinux.lds.h>
   7
   8 #ifndef CONFIG_64BIT
   9 OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390")
  10 OUTPUT_ARCH(s390)
  11 ENTRY(_start)
  12 jiffies = jiffies_64 + 4;
  13 #else
  14 OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390")
  15 OUTPUT_ARCH(s390:64-bit)
  16 ENTRY(_start)
  17 jiffies = jiffies_64;
  18 #endif
  19
  20 PHDRS {
  21         text PT_LOAD FLAGS(5);  /* R_E */
  22         data PT_LOAD FLAGS(7);  /* RWE */
  23         note PT_NOTE FLAGS(0);  /* ___ */
  24 }
  25
  26 SECTIONS
  27 {
  28         . = 0x00000000;
  29         .text : {
  30         _text = .;              /* Text and read-only data */
  31                 *(.text.head)
  32         TEXT_TEXT
  33                 SCHED_TEXT
  34                 LOCK_TEXT
  35                 KPROBES_TEXT
  36                 *(.fixup)
  37                 *(.gnu.warning)
  38         } :text = 0x0700
  39
  40         _etext = .;             /* End of text section */
  41
  42         NOTES :text :note
  43
  44         RODATA
  45
  46 #ifdef CONFIG_SHARED_KERNEL
  47         . = ALIGN(0x100000);    /* VM shared segments are 1MB aligned */
  48 #endif
  49
  50         . = ALIGN(PAGE_SIZE);
  51         _eshared = .;           /* End of shareable data */
  52
  53         . = ALIGN(16);          /* Exception table */
  54         __ex_table : {
  55                 __start___ex_table = .;
  56                 *(__ex_table)
  57                 __stop___ex_table = .;
  58         } :data
  59
  60         .data : {               /* Data */
  61                 DATA_DATA
  62                 CONSTRUCTORS
  63         }
  64
  65         . = ALIGN(PAGE_SIZE);
  66         .data_nosave : {
  67         __nosave_begin = .;
  68                 *(.data.nosave)
  69         }
  70         . = ALIGN(PAGE_SIZE);
  71         __nosave_end = .;
  72
  73         . = ALIGN(PAGE_SIZE);
  74         .data.page_aligned : {
  75                 *(.data.idt)
  76         }
  77
  78         . = ALIGN(0x100);
  79         .data.cacheline_aligned : {
  80                 *(.data.cacheline_aligned)
  81         }
  82
  83         . = ALIGN(0x100);
  84         .data.read_mostly : {
  85                 *(.data.read_mostly)
  86         }
  87         _edata = .;             /* End of data section */
  88
  89         . = ALIGN(2 * PAGE_SIZE);       /* init_task */
  90         .data.init_task : {
  91                 *(.data.init_task)
  92         }
  93
  94         /* will be freed after init */
  95         . = ALIGN(PAGE_SIZE);   /* Init code and data */
  96         __init_begin = .;
  97         .init.text : {
  98                 _sinittext = .;
  99                 INIT_TEXT
 100                 _einittext = .;
 101         }
 102         /*
 103          * .exit.text is discarded at runtime, not link time,
 104          * to deal with references from __bug_table
 105         */
 106         .exit.text : {
 107                 EXIT_TEXT
 108         }
 109
 110         .init.data : {
 111                 INIT_DATA
 112         }
 113         . = ALIGN(0x100);
 114         .init.setup : {
 115                 __setup_start = .;
 116                 *(.init.setup)
 117                 __setup_end = .;
 118         }
 119         .initcall.init : {
 120                 __initcall_start = .;
 121                 INITCALLS
 122                 __initcall_end = .;
 123         }
 124
 125         .con_initcall.init : {
 126                 __con_initcall_start = .;
 127                 *(.con_initcall.init)
 128                 __con_initcall_end = .;
 129         }
 130         SECURITY_INIT
 131
 132 #ifdef CONFIG_BLK_DEV_INITRD
 133         . = ALIGN(0x100);
 134         .init.ramfs : {
 135                 __initramfs_start = .;
 136                 *(.init.ramfs)
 137                 . = ALIGN(2);
 138                 __initramfs_end = .;
 139         }
 140 #endif
 141
 142         PERCPU(PAGE_SIZE)
 143         . = ALIGN(PAGE_SIZE);
 144         __init_end = .;         /* freed after init ends here */
 145
 146         /* BSS */
 147         .bss : {
 148                 __bss_start = .;
 149                 *(.bss)
 150                 . = ALIGN(2);
 151                 __bss_stop = .;
 152         }
 153
 154         _end = . ;
 155
 156         /* Sections to be discarded */
 157         /DISCARD/ : {
 158                 EXIT_DATA
 159                 *(.exitcall.exit)
 160         }
 161
 162         /* Debugging sections.  */
 163         STABS_DEBUG
 164         DWARF_DEBUG
 165 }