The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/conf/ldscript.amd64

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 /* $FreeBSD$ */
    2 OUTPUT_FORMAT("elf64-x86-64-freebsd", "elf64-x86-64-freebsd", "elf64-x86-64-freebsd")
    3 OUTPUT_ARCH(i386:x86-64)
    4 ENTRY(btext)
    5 SEARCH_DIR("/usr/lib");
    6 SECTIONS
    7 {
    8   /* Read-only sections, merged into text segment: */
    9   kernphys = 0x200000;
   10   . = kernbase + kernphys + SIZEOF_HEADERS;
   11   /*
   12    * Use the AT keyword in order to set the right LMA that contains
   13    * the physical address where the section should be loaded. This is
   14    * needed for the Xen loader which honours the LMA.
   15    */
   16   .interp         : AT (kernphys + SIZEOF_HEADERS) { *(.interp) }
   17   .hash           : { *(.hash) }
   18   .gnu.hash       : { *(.gnu.hash) }
   19   .dynsym         : { *(.dynsym) }
   20   .dynstr         : { *(.dynstr) }
   21   .gnu.version    : { *(.gnu.version) }
   22   .gnu.version_d  : { *(.gnu.version_d) }
   23   .gnu.version_r  : { *(.gnu.version_r) }
   24   .rel.init       : { *(.rel.init) }
   25   .rela.init      : { *(.rela.init) }
   26   .rel.text       : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
   27   .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
   28   .rel.fini       : { *(.rel.fini) }
   29   .rela.fini      : { *(.rela.fini) }
   30   .rel.rodata     : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
   31   .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
   32   .rel.data.rel.ro   : { *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*) }
   33   .rela.data.rel.ro   : { *(.rela.data.rel.ro* .rela.gnu.linkonce.d.rel.ro.*) }
   34   .rel.data       : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
   35   .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
   36   .rel.tdata      : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
   37   .rela.tdata     : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
   38   .rel.tbss       : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
   39   .rela.tbss      : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
   40   .rel.ctors      : { *(.rel.ctors) }
   41   .rela.ctors     : { *(.rela.ctors) }
   42   .rel.dtors      : { *(.rel.dtors) }
   43   .rela.dtors     : { *(.rela.dtors) }
   44   .rel.got        : { *(.rel.got) }
   45   .rela.got       : { *(.rela.got) }
   46   .rel.bss        : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
   47   .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
   48   .rel.ldata      : { *(.rel.ldata .rel.ldata.* .rel.gnu.linkonce.l.*) }
   49   .rela.ldata     : { *(.rela.ldata .rela.ldata.* .rela.gnu.linkonce.l.*) }
   50   .rel.lbss       : { *(.rel.lbss .rel.lbss.* .rel.gnu.linkonce.lb.*) }
   51   .rela.lbss      : { *(.rela.lbss .rela.lbss.* .rela.gnu.linkonce.lb.*) }
   52   .rel.lrodata    : { *(.rel.lrodata .rel.lrodata.* .rel.gnu.linkonce.lr.*) }
   53   .rela.lrodata   : { *(.rela.lrodata .rela.lrodata.* .rela.gnu.linkonce.lr.*) }
   54   .rel.plt        : { *(.rel.plt) }
   55   .rela.plt       : { *(.rela.plt) }
   56   .init           :
   57   {
   58     KEEP (*(.init))
   59   } =0xCCCCCCCC
   60   .plt            : { *(.plt) }
   61   .text           :
   62   {
   63     *(.text .stub .text.* .gnu.linkonce.t.*)
   64     KEEP (*(.text.*personality*))
   65     /* .gnu.warning sections are handled specially by elf32.em.  */
   66     *(.gnu.warning)
   67   } =0xCCCCCCCC
   68   .fini           :
   69   {
   70     KEEP (*(.fini))
   71   } =0xCCCCCCCC
   72   PROVIDE (__etext = .);
   73   PROVIDE (_etext = .);
   74   PROVIDE (etext = .);
   75   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
   76   .rodata1        : { *(.rodata1) }
   77   .note.gnu.build-id : {
   78     PROVIDE (__build_id_start = .);
   79     *(.note.gnu.build-id)
   80     PROVIDE (__build_id_end = .);
   81   }
   82   .eh_frame_hdr : { *(.eh_frame_hdr) }
   83   .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
   84   .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
   85   /* Adjust the address for the data segment.  We want to adjust up to
   86      the same address within the page on the next page up.  */
   87   . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
   88   PROVIDE (brwsection = .);
   89   /* Exception handling  */
   90   .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
   91   .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
   92   /* Thread Local Storage sections  */
   93   .tdata          : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
   94   .tbss           : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
   95   .preinit_array     :
   96   {
   97     PROVIDE_HIDDEN (__preinit_array_start = .);
   98     KEEP (*(.preinit_array))
   99     PROVIDE_HIDDEN (__preinit_array_end = .);
  100   }
  101   .init_array     :
  102   {
  103      PROVIDE_HIDDEN (__init_array_start = .);
  104      KEEP (*(SORT(.init_array.*)))
  105      KEEP (*(.init_array))
  106      PROVIDE_HIDDEN (__init_array_end = .);
  107   }
  108   .fini_array     :
  109   {
  110     PROVIDE_HIDDEN (__fini_array_start = .);
  111     KEEP (*(.fini_array))
  112     KEEP (*(SORT(.fini_array.*)))
  113     PROVIDE_HIDDEN (__fini_array_end = .);
  114   }
  115   _start_ctors = .;
  116   PROVIDE (start_ctors = .);
  117   .ctors          :
  118   {
  119     /* gcc uses crtbegin.o to find the start of
  120        the constructors, so we make sure it is
  121        first.  Because this is a wildcard, it
  122        doesn't matter if the user does not
  123        actually link against crtbegin.o; the
  124        linker won't look for a file to match a
  125        wildcard.  The wildcard also means that it
  126        doesn't matter which directory crtbegin.o
  127        is in.  */
  128     KEEP (*crtbegin.o(.ctors))
  129     KEEP (*crtbegin?.o(.ctors))
  130     /* We don't want to include the .ctor section from
  131        the crtend.o file until after the sorted ctors.
  132        The .ctor section from the crtend file contains the
  133        end of ctors marker and it must be last */
  134     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
  135     KEEP (*(SORT(.ctors.*)))
  136     KEEP (*(.ctors))
  137   }
  138   _stop_ctors = .;
  139   PROVIDE (stop_ctors = .);
  140   .dtors          :
  141   {
  142     KEEP (*crtbegin.o(.dtors))
  143     KEEP (*crtbegin?.o(.dtors))
  144     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
  145     KEEP (*(SORT(.dtors.*)))
  146     KEEP (*(.dtors))
  147   }
  148   .jcr            : { KEEP (*(.jcr)) }
  149   .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
  150   .dynamic        : { *(.dynamic) }
  151   .got            : { *(.got) }
  152   . = DATA_SEGMENT_RELRO_END (24, .);
  153   .got.plt        : { *(.got.plt) }
  154   . = ALIGN(128);
  155   .data.read_frequently :
  156   {
  157     *(SORT_BY_ALIGNMENT(.data.read_frequently))
  158   }
  159   .data.read_mostly :
  160   {
  161     *(.data.read_mostly)
  162   }
  163   . = ALIGN(128);
  164   .data.exclusive_cache_line :
  165   {
  166     *(.data.exclusive_cache_line)
  167   }
  168   . = ALIGN(128);
  169   .data           :
  170   {
  171     *(.data .data.* .gnu.linkonce.d.*)
  172     KEEP (*(.gnu.linkonce.d.*personality*))
  173   }
  174   .data1          : { *(.data1) }
  175   _edata = .; PROVIDE (edata = .);
  176   __bss_start = .;
  177   .bss            :
  178   {
  179    *(.dynbss)
  180    *(.bss .bss.* .gnu.linkonce.b.*)
  181    *(COMMON)
  182    /* Align here to ensure that the .bss section occupies space up to
  183       _end.  Align after .bss to ensure correct alignment even if the
  184       .bss section disappears because there are no input sections.
  185       FIXME: Why do we need it? When there is no .bss section, we don't
  186       pad the .data section.  */
  187    . = ALIGN(. != 0 ? 64 / 8 : 1);
  188   }
  189   .lbss   :
  190   {
  191     *(.dynlbss)
  192     *(.lbss .lbss.* .gnu.linkonce.lb.*)
  193     *(LARGE_COMMON)
  194   }
  195   . = ALIGN(64 / 8);
  196   .lrodata   ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) :
  197   {
  198     *(.lrodata .lrodata.* .gnu.linkonce.lr.*)
  199   }
  200   .ldata   ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) :
  201   {
  202     *(.ldata .ldata.* .gnu.linkonce.l.*)
  203     . = ALIGN(. != 0 ? 64 / 8 : 1);
  204   }
  205   . = ALIGN(64 / 8);
  206   _end = .; PROVIDE (end = .);
  207   . = DATA_SEGMENT_END (.);
  208   /* Stabs debugging sections.  */
  209   .stab          0 : { *(.stab) }
  210   .stabstr       0 : { *(.stabstr) }
  211   .stab.excl     0 : { *(.stab.excl) }
  212   .stab.exclstr  0 : { *(.stab.exclstr) }
  213   .stab.index    0 : { *(.stab.index) }
  214   .stab.indexstr 0 : { *(.stab.indexstr) }
  215   .comment       0 : { *(.comment) }
  216   /* DWARF debug sections.
  217      Symbols in the DWARF debugging sections are relative to the beginning
  218      of the section so we begin them at 0.  */
  219   /* DWARF 1 */
  220   .debug          0 : { *(.debug) }
  221   .line           0 : { *(.line) }
  222   /* GNU DWARF 1 extensions */
  223   .debug_srcinfo  0 : { *(.debug_srcinfo) }
  224   .debug_sfnames  0 : { *(.debug_sfnames) }
  225   /* DWARF 1.1 and DWARF 2 */
  226   .debug_aranges  0 : { *(.debug_aranges) }
  227   .debug_pubnames 0 : { *(.debug_pubnames) }
  228   /* DWARF 2 */
  229   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
  230   .debug_abbrev   0 : { *(.debug_abbrev) }
  231   .debug_line     0 : { *(.debug_line) }
  232   .debug_frame    0 : { *(.debug_frame) }
  233   .debug_str      0 : { *(.debug_str) }
  234   .debug_loc      0 : { *(.debug_loc) }
  235   .debug_macinfo  0 : { *(.debug_macinfo) }
  236   /* SGI/MIPS DWARF 2 extensions */
  237   .debug_weaknames 0 : { *(.debug_weaknames) }
  238   .debug_funcnames 0 : { *(.debug_funcnames) }
  239   .debug_typenames 0 : { *(.debug_typenames) }
  240   .debug_varnames  0 : { *(.debug_varnames) }
  241   /* DWARF 3 */
  242   .debug_pubtypes 0 : { *(.debug_pubtypes) }
  243   .debug_ranges   0 : { *(.debug_ranges) }
  244   .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
  245   /DISCARD/ : { *(.note.GNU-stack) }
  246 }

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