root/arch/um/kernel/uml.lds.S

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #include <asm/vmlinux.lds.h>
   3 #include <asm/page.h>
   4 
   5 OUTPUT_FORMAT(ELF_FORMAT)
   6 OUTPUT_ARCH(ELF_ARCH)
   7 ENTRY(_start)
   8 jiffies = jiffies_64;
   9 
  10 SECTIONS
  11 {
  12   /* This must contain the right address - not quite the default ELF one.*/
  13   PROVIDE (__executable_start = START);
  14   /* Static binaries stick stuff here, like the sigreturn trampoline,
  15    * invisibly to objdump.  So, just make __binary_start equal to the very
  16    * beginning of the executable, and if there are unmapped pages after this,
  17    * they are forever unusable.
  18    */
  19   __binary_start = START;
  20 
  21   . = START + SIZEOF_HEADERS;
  22 
  23   _text = .;
  24   INIT_TEXT_SECTION(0)
  25   . = ALIGN(PAGE_SIZE);
  26 
  27   .text      :
  28   {
  29     _stext = .;
  30     TEXT_TEXT
  31     SCHED_TEXT
  32     CPUIDLE_TEXT
  33     LOCK_TEXT
  34     IRQENTRY_TEXT
  35     SOFTIRQENTRY_TEXT
  36     *(.fixup)
  37     /* .gnu.warning sections are handled specially by elf32.em.  */
  38     *(.gnu.warning)
  39     *(.gnu.linkonce.t*)
  40   }
  41 
  42   . = ALIGN(PAGE_SIZE);
  43   .syscall_stub : {
  44         __syscall_stub_start = .;
  45         *(.__syscall_stub*)
  46         __syscall_stub_end = .;
  47   }
  48 
  49   /*
  50    * These are needed even in a static link, even if they wind up being empty.
  51    * Newer glibc needs these __rel{,a}_iplt_{start,end} symbols.
  52    */
  53   .rel.plt : {
  54         *(.rel.plt)
  55         PROVIDE_HIDDEN(__rel_iplt_start = .);
  56         *(.rel.iplt)
  57         PROVIDE_HIDDEN(__rel_iplt_end = .);
  58   }
  59   .rela.plt : {
  60         *(.rela.plt)
  61         PROVIDE_HIDDEN(__rela_iplt_start = .);
  62         *(.rela.iplt)
  63         PROVIDE_HIDDEN(__rela_iplt_end = .);
  64   }
  65 
  66   #include <asm/common.lds.S>
  67 
  68   __init_begin = .;
  69   init.data : { INIT_DATA }
  70   __init_end = .;
  71 
  72   .data    :
  73   {
  74     INIT_TASK_DATA(KERNEL_STACK_SIZE)
  75     . = ALIGN(KERNEL_STACK_SIZE);
  76     *(.data..init_irqstack)
  77     DATA_DATA
  78     *(.gnu.linkonce.d*)
  79     CONSTRUCTORS
  80   }
  81   .data1   : { *(.data1) }
  82   .ctors         :
  83   {
  84     *(.ctors)
  85   }
  86   .dtors         :
  87   {
  88     *(.dtors)
  89   }
  90 
  91   .got           : { *(.got.plt) *(.got) }
  92   .dynamic       : { *(.dynamic) }
  93   .tdata          : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
  94   .tbss           : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
  95   /* We want the small data sections together, so single-instruction offsets
  96      can access them all, and initialized data all before uninitialized, so
  97      we can shorten the on-disk segment size.  */
  98   .sdata     : { *(.sdata) }
  99   _edata  =  .;
 100   PROVIDE (edata = .);
 101   . = ALIGN(PAGE_SIZE);
 102   __bss_start = .;
 103   PROVIDE(_bss_start = .);
 104   SBSS(0)
 105   BSS(0)
 106    __bss_stop = .;
 107   _end = .;
 108   PROVIDE (end = .);
 109 
 110   STABS_DEBUG
 111 
 112   DWARF_DEBUG
 113 
 114   DISCARDS
 115 }