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/thread_info.h>
   6 #include <asm/page.h>
   7 #include <asm-generic/vmlinux.lds.h>
   8
   9 #ifndef CONFIG_64BIT
  10 OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390")
  11 OUTPUT_ARCH(s390:31-bit)
  12 ENTRY(startup)
  13 jiffies = jiffies_64 + 4;
  14 #else
  15 OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390")
  16 OUTPUT_ARCH(s390:64-bit)
  17 ENTRY(startup)
  18 jiffies = jiffies_64;
  19 #endif
  20
  21 PHDRS {
  22         text PT_LOAD FLAGS(5);  /* R_E */
  23         data PT_LOAD FLAGS(7);  /* RWE */
  24         note PT_NOTE FLAGS(0);  /* ___ */
  25 }
  26
  27 SECTIONS
  28 {
  29         . = 0x00000000;
  30         .text : {
  31         _text = .;              /* Text and read-only data */
  32                 HEAD_TEXT
  33                 TEXT_TEXT
  34                 SCHED_TEXT
  35                 LOCK_TEXT
  36                 KPROBES_TEXT
  37                 IRQENTRY_TEXT
  38                 *(.fixup)
  39                 *(.gnu.warning)
  40         } :text = 0x0700
  41
  42         _etext = .;             /* End of text section */
  43
  44         NOTES :text :note
  45
  46         .dummy : { *(.dummy) } :data
  47
  48         RO_DATA_SECTION(PAGE_SIZE)
  49
  50 #ifdef CONFIG_SHARED_KERNEL
  51         . = ALIGN(0x100000);    /* VM shared segments are 1MB aligned */
  52 #endif
  53
  54         . = ALIGN(PAGE_SIZE);
  55         _eshared = .;           /* End of shareable data */
  56         _sdata = .;             /* Start of data section */
  57
  58         EXCEPTION_TABLE(16) :data
  59
  60         RW_DATA_SECTION(0x100, PAGE_SIZE, THREAD_SIZE)
  61
  62         _edata = .;             /* End of data section */
  63
  64         /* will be freed after init */
  65         . = ALIGN(PAGE_SIZE);   /* Init code and data */
  66         __init_begin = .;
  67
  68         INIT_TEXT_SECTION(PAGE_SIZE)
  69
  70         /*
  71          * .exit.text is discarded at runtime, not link time,
  72          * to deal with references from __bug_table
  73         */
  74         .exit.text : {
  75                 EXIT_TEXT
  76         }
  77
  78         .exit.data : {
  79                 EXIT_DATA
  80         }
  81
  82         /* early.c uses stsi, which requires page aligned data. */
  83         . = ALIGN(PAGE_SIZE);
  84         INIT_DATA_SECTION(0x100)
  85
  86         PERCPU_SECTION(0x100)
  87         . = ALIGN(PAGE_SIZE);
  88         __init_end = .;         /* freed after init ends here */
  89
  90         BSS_SECTION(0, 2, 0)
  91
  92         _end = . ;
  93
  94         /* Debugging sections.  */
  95         STABS_DEBUG
  96         DWARF_DEBUG
  97
  98         /* Sections to be discarded */
  99         DISCARDS
 100 }