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 
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    1 /* $FreeBSD: releng/9.0/sys/conf/ldscript.amd64 220090 2011-03-28 06:35:17Z alc $ */
    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 = CONSTANT (MAXPAGESIZE);
   10   . = kernbase + kernphys + SIZEOF_HEADERS;
   11   .interp         : { *(.interp) }
   12   .hash           : { *(.hash) }
   13   .gnu.hash       : { *(.gnu.hash) }
   14   .dynsym         : { *(.dynsym) }
   15   .dynstr         : { *(.dynstr) }
   16   .gnu.version    : { *(.gnu.version) }
   17   .gnu.version_d  : { *(.gnu.version_d) }
   18   .gnu.version_r  : { *(.gnu.version_r) }
   19   .rel.init       : { *(.rel.init) }
   20   .rela.init      : { *(.rela.init) }
   21   .rel.text       : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
   22   .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
   23   .rel.fini       : { *(.rel.fini) }
   24   .rela.fini      : { *(.rela.fini) }
   25   .rel.rodata     : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
   26   .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
   27   .rel.data.rel.ro   : { *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*) }
   28   .rela.data.rel.ro   : { *(.rela.data.rel.ro* .rela.gnu.linkonce.d.rel.ro.*) }
   29   .rel.data       : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
   30   .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
   31   .rel.tdata      : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
   32   .rela.tdata     : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
   33   .rel.tbss       : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
   34   .rela.tbss      : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
   35   .rel.ctors      : { *(.rel.ctors) }
   36   .rela.ctors     : { *(.rela.ctors) }
   37   .rel.dtors      : { *(.rel.dtors) }
   38   .rela.dtors     : { *(.rela.dtors) }
   39   .rel.got        : { *(.rel.got) }
   40   .rela.got       : { *(.rela.got) }
   41   .rel.bss        : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
   42   .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
   43   .rel.ldata      : { *(.rel.ldata .rel.ldata.* .rel.gnu.linkonce.l.*) }
   44   .rela.ldata     : { *(.rela.ldata .rela.ldata.* .rela.gnu.linkonce.l.*) }
   45   .rel.lbss       : { *(.rel.lbss .rel.lbss.* .rel.gnu.linkonce.lb.*) }
   46   .rela.lbss      : { *(.rela.lbss .rela.lbss.* .rela.gnu.linkonce.lb.*) }
   47   .rel.lrodata    : { *(.rel.lrodata .rel.lrodata.* .rel.gnu.linkonce.lr.*) }
   48   .rela.lrodata   : { *(.rela.lrodata .rela.lrodata.* .rela.gnu.linkonce.lr.*) }
   49   .rel.plt        : { *(.rel.plt) }
   50   .rela.plt       : { *(.rela.plt) }
   51   .init           :
   52   {
   53     KEEP (*(.init))
   54   } =0x90909090
   55   .plt            : { *(.plt) }
   56   .text           :
   57   {
   58     *(.text .stub .text.* .gnu.linkonce.t.*)
   59     KEEP (*(.text.*personality*))
   60     /* .gnu.warning sections are handled specially by elf32.em.  */
   61     *(.gnu.warning)
   62   } =0x90909090
   63   .fini           :
   64   {
   65     KEEP (*(.fini))
   66   } =0x90909090
   67   PROVIDE (__etext = .);
   68   PROVIDE (_etext = .);
   69   PROVIDE (etext = .);
   70   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
   71   .rodata1        : { *(.rodata1) }
   72   .eh_frame_hdr : { *(.eh_frame_hdr) }
   73   .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
   74   .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
   75   /* Adjust the address for the data segment.  We want to adjust up to
   76      the same address within the page on the next page up.  */
   77   . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
   78   /* Exception handling  */
   79   .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
   80   .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
   81   /* Thread Local Storage sections  */
   82   .tdata          : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
   83   .tbss           : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
   84   .preinit_array     :
   85   {
   86     PROVIDE_HIDDEN (__preinit_array_start = .);
   87     KEEP (*(.preinit_array))
   88     PROVIDE_HIDDEN (__preinit_array_end = .);
   89   }
   90   .init_array     :
   91   {
   92      PROVIDE_HIDDEN (__init_array_start = .);
   93      KEEP (*(SORT(.init_array.*)))
   94      KEEP (*(.init_array))
   95      PROVIDE_HIDDEN (__init_array_end = .);
   96   }
   97   .fini_array     :
   98   {
   99     PROVIDE_HIDDEN (__fini_array_start = .);
  100     KEEP (*(.fini_array))
  101     KEEP (*(SORT(.fini_array.*)))
  102     PROVIDE_HIDDEN (__fini_array_end = .);
  103   }
  104   _start_ctors = .;
  105   PROVIDE (start_ctors = .);
  106   .ctors          :
  107   {
  108     /* gcc uses crtbegin.o to find the start of
  109        the constructors, so we make sure it is
  110        first.  Because this is a wildcard, it
  111        doesn't matter if the user does not
  112        actually link against crtbegin.o; the
  113        linker won't look for a file to match a
  114        wildcard.  The wildcard also means that it
  115        doesn't matter which directory crtbegin.o
  116        is in.  */
  117     KEEP (*crtbegin.o(.ctors))
  118     KEEP (*crtbegin?.o(.ctors))
  119     /* We don't want to include the .ctor section from
  120        the crtend.o file until after the sorted ctors.
  121        The .ctor section from the crtend file contains the
  122        end of ctors marker and it must be last */
  123     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
  124     KEEP (*(SORT(.ctors.*)))
  125     KEEP (*(.ctors))
  126   }
  127   _stop_ctors = .;
  128   PROVIDE (stop_ctors = .);
  129   .dtors          :
  130   {
  131     KEEP (*crtbegin.o(.dtors))
  132     KEEP (*crtbegin?.o(.dtors))
  133     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
  134     KEEP (*(SORT(.dtors.*)))
  135     KEEP (*(.dtors))
  136   }
  137   .jcr            : { KEEP (*(.jcr)) }
  138   .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
  139   .dynamic        : { *(.dynamic) }
  140   .got            : { *(.got) }
  141   . = DATA_SEGMENT_RELRO_END (24, .);
  142   .got.plt        : { *(.got.plt) }
  143   .data           :
  144   {
  145     *(.data .data.* .gnu.linkonce.d.*)
  146     KEEP (*(.gnu.linkonce.d.*personality*))
  147     SORT(CONSTRUCTORS)
  148   }
  149   .data1          : { *(.data1) }
  150   _edata = .; PROVIDE (edata = .);
  151   __bss_start = .;
  152   .bss            :
  153   {
  154    *(.dynbss)
  155    *(.bss .bss.* .gnu.linkonce.b.*)
  156    *(COMMON)
  157    /* Align here to ensure that the .bss section occupies space up to
  158       _end.  Align after .bss to ensure correct alignment even if the
  159       .bss section disappears because there are no input sections.
  160       FIXME: Why do we need it? When there is no .bss section, we don't
  161       pad the .data section.  */
  162    . = ALIGN(. != 0 ? 64 / 8 : 1);
  163   }
  164   .lbss   :
  165   {
  166     *(.dynlbss)
  167     *(.lbss .lbss.* .gnu.linkonce.lb.*)
  168     *(LARGE_COMMON)
  169   }
  170   . = ALIGN(64 / 8);
  171   .lrodata   ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) :
  172   {
  173     *(.lrodata .lrodata.* .gnu.linkonce.lr.*)
  174   }
  175   .ldata   ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) :
  176   {
  177     *(.ldata .ldata.* .gnu.linkonce.l.*)
  178     . = ALIGN(. != 0 ? 64 / 8 : 1);
  179   }
  180   . = ALIGN(64 / 8);
  181   _end = .; PROVIDE (end = .);
  182   . = DATA_SEGMENT_END (.);
  183   /* Stabs debugging sections.  */
  184   .stab          0 : { *(.stab) }
  185   .stabstr       0 : { *(.stabstr) }
  186   .stab.excl     0 : { *(.stab.excl) }
  187   .stab.exclstr  0 : { *(.stab.exclstr) }
  188   .stab.index    0 : { *(.stab.index) }
  189   .stab.indexstr 0 : { *(.stab.indexstr) }
  190   .comment       0 : { *(.comment) }
  191   /* DWARF debug sections.
  192      Symbols in the DWARF debugging sections are relative to the beginning
  193      of the section so we begin them at 0.  */
  194   /* DWARF 1 */
  195   .debug          0 : { *(.debug) }
  196   .line           0 : { *(.line) }
  197   /* GNU DWARF 1 extensions */
  198   .debug_srcinfo  0 : { *(.debug_srcinfo) }
  199   .debug_sfnames  0 : { *(.debug_sfnames) }
  200   /* DWARF 1.1 and DWARF 2 */
  201   .debug_aranges  0 : { *(.debug_aranges) }
  202   .debug_pubnames 0 : { *(.debug_pubnames) }
  203   /* DWARF 2 */
  204   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
  205   .debug_abbrev   0 : { *(.debug_abbrev) }
  206   .debug_line     0 : { *(.debug_line) }
  207   .debug_frame    0 : { *(.debug_frame) }
  208   .debug_str      0 : { *(.debug_str) }
  209   .debug_loc      0 : { *(.debug_loc) }
  210   .debug_macinfo  0 : { *(.debug_macinfo) }
  211   /* SGI/MIPS DWARF 2 extensions */
  212   .debug_weaknames 0 : { *(.debug_weaknames) }
  213   .debug_funcnames 0 : { *(.debug_funcnames) }
  214   .debug_typenames 0 : { *(.debug_typenames) }
  215   .debug_varnames  0 : { *(.debug_varnames) }
  216   /* DWARF 3 */
  217   .debug_pubtypes 0 : { *(.debug_pubtypes) }
  218   .debug_ranges   0 : { *(.debug_ranges) }
  219   .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
  220   /DISCARD/ : { *(.note.GNU-stack) }
  221 }

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