i386.ld

   1 /* ld script to make i386 Linux kernel
   2  * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>;
   3  */
   4 OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
   5 OUTPUT_ARCH(i386)
   6 ENTRY(_start)
   7 SECTIONS
   8 {
   9   /* Read-only sections, merged into text segment: */
  10   . = 0x60000000 + SIZEOF_HEADERS;
  11   .interp     : { *(.interp)    }
  12   .hash          : { *(.hash)           }
  13   .dynsym        : { *(.dynsym)         }
  14   .dynstr        : { *(.dynstr)         }
  15   .gnu.version   : { *(.gnu.version)    }
  16   .gnu.version_d   : { *(.gnu.version_d)        }
  17   .gnu.version_r   : { *(.gnu.version_r)        }
  18   .rel.text      :
  19     { *(.rel.text) *(.rel.gnu.linkonce.t*) }
  20   .rela.text     :
  21     { *(.rela.text) *(.rela.gnu.linkonce.t*) }
  22   .rel.data      :
  23     { *(.rel.data) *(.rel.gnu.linkonce.d*) }
  24   .rela.data     :
  25     { *(.rela.data) *(.rela.gnu.linkonce.d*) }
  26   .rel.rodata    :
  27     { *(.rel.rodata) *(.rel.gnu.linkonce.r*) }
  28   .rela.rodata   :
  29     { *(.rela.rodata) *(.rela.gnu.linkonce.r*) }
  30   .rel.got       : { *(.rel.got)                }
  31   .rela.got      : { *(.rela.got)               }
  32   .rel.ctors     : { *(.rel.ctors)      }
  33   .rela.ctors    : { *(.rela.ctors)     }
  34   .rel.dtors     : { *(.rel.dtors)      }
  35   .rela.dtors    : { *(.rela.dtors)     }
  36   .rel.init      : { *(.rel.init)       }
  37   .rela.init     : { *(.rela.init)      }
  38   .rel.fini      : { *(.rel.fini)       }
  39   .rela.fini     : { *(.rela.fini)      }
  40   .rel.bss       : { *(.rel.bss)                }
  41   .rela.bss      : { *(.rela.bss)               }
  42   .rel.plt      :
  43   {
  44     *(.rel.plt)
  45     PROVIDE (__rel_iplt_start = .);
  46     *(.rel.iplt)
  47     PROVIDE (__rel_iplt_end = .);
  48   }
  49   .rela.plt       :
  50   {
  51     *(.rela.plt)
  52     PROVIDE (__rela_iplt_start = .);
  53     *(.rela.iplt)
  54     PROVIDE (__rela_iplt_end = .);
  55   }
  56   .init          : { *(.init)   } =0x47ff041f
  57   .text      :
  58   {
  59     *(.text)
  60     /* .gnu.warning sections are handled specially by elf32.em.  */
  61     *(.gnu.warning)
  62     *(.gnu.linkonce.t*)
  63   } =0x47ff041f
  64   _etext = .;
  65   PROVIDE (etext = .);
  66   .fini      : { *(.fini)    } =0x47ff041f
  67   . = ALIGN(32 / 8);
  68   PROVIDE (__preinit_array_start = .);
  69   .preinit_array     : { *(.preinit_array) }
  70   PROVIDE (__preinit_array_end = .);
  71   PROVIDE (__init_array_start = .);
  72   .init_array     : { *(.init_array) }
  73   PROVIDE (__init_array_end = .);
  74   PROVIDE (__fini_array_start = .);
  75   .fini_array     : { *(.fini_array) }
  76   PROVIDE (__fini_array_end = .);
  77   .rodata    : { *(.rodata) *(.gnu.linkonce.r*) }
  78   .rodata1   : { *(.rodata1) }
  79   .reginfo : { *(.reginfo) }
  80   /* Adjust the address for the data segment.  We want to adjust up to
  81      the same address within the page on the next page up.  */
  82   . = ALIGN(0x100000) + (. & (0x100000 - 1));
  83   .tdata          : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
  84   .tbss           : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
  85   .data    :
  86   {
  87     *(.data)
  88     *(.gnu.linkonce.d*)
  89     CONSTRUCTORS
  90   }
  91   .data1   : { *(.data1) }
  92   .ctors         :
  93   {
  94     *(.ctors)
  95   }
  96   .dtors         :
  97   {
  98     *(.dtors)
  99   }
 100   .plt      : { *(.plt) }
 101   .got           : { *(.got.plt) *(.got) }
 102   .dynamic       : { *(.dynamic) }
 103   /* We want the small data sections together, so single-instruction offsets
 104      can access them all, and initialized data all before uninitialized, so
 105      we can shorten the on-disk segment size.  */
 106   .sdata     : { *(.sdata) }
 107   _edata  =  .;
 108   PROVIDE (edata = .);
 109   __bss_start = .;
 110   .sbss      : { *(.sbss) *(.scommon) }
 111   .bss       :
 112   {
 113    *(.dynbss)
 114    *(.bss)
 115    *(COMMON)
 116   }
 117   _end = . ;
 118   PROVIDE (end = .);
 119   /* Stabs debugging sections.  */
 120   .stab 0 : { *(.stab) }
 121   .stabstr 0 : { *(.stabstr) }
 122   .stab.excl 0 : { *(.stab.excl) }
 123   .stab.exclstr 0 : { *(.stab.exclstr) }
 124   .stab.index 0 : { *(.stab.index) }
 125   .stab.indexstr 0 : { *(.stab.indexstr) }
 126   .comment 0 : { *(.comment) }
 127   /* DWARF debug sections.
 128      Symbols in the DWARF debugging sections are relative to the beginning
 129      of the section so we begin them at 0.  */
 130   /* DWARF 1 */
 131   .debug          0 : { *(.debug) }
 132   .line           0 : { *(.line) }
 133   /* GNU DWARF 1 extensions */
 134   .debug_srcinfo  0 : { *(.debug_srcinfo) }
 135   .debug_sfnames  0 : { *(.debug_sfnames) }
 136   /* DWARF 1.1 and DWARF 2 */
 137   .debug_aranges  0 : { *(.debug_aranges) }
 138   .debug_pubnames 0 : { *(.debug_pubnames) }
 139   /* DWARF 2 */
 140   .debug_info     0 : { *(.debug_info) }
 141   .debug_abbrev   0 : { *(.debug_abbrev) }
 142   .debug_line     0 : { *(.debug_line) }
 143   .debug_frame    0 : { *(.debug_frame) }
 144   .debug_str      0 : { *(.debug_str) }
 145   .debug_loc      0 : { *(.debug_loc) }
 146   .debug_macinfo  0 : { *(.debug_macinfo) }
 147   /* SGI/MIPS DWARF 2 extensions */
 148   .debug_weaknames 0 : { *(.debug_weaknames) }
 149   .debug_funcnames 0 : { *(.debug_funcnames) }
 150   .debug_typenames 0 : { *(.debug_typenames) }
 151   .debug_varnames  0 : { *(.debug_varnames) }
 152   /* These must appear regardless of  .  */
 153 }