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