LXR linux/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
  10OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390")
  11OUTPUT_ARCH(s390:31-bit)
  12ENTRY(startup)
  13jiffies = jiffies_64 + 4;
  14#else
  15OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390")
  16OUTPUT_ARCH(s390:64-bit)
  17ENTRY(startup)
  18jiffies = jiffies_64;
  19#endif
  20
  21PHDRS {
  22        text PT_LOAD FLAGS(5);  /* R_E */
  23        data PT_LOAD FLAGS(7);  /* RWE */
  24        note PT_NOTE FLAGS(0);  /* ___ */
  25}
  26
  27SECTIONS
  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}
 101