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

     /* $FreeBSD: releng/12.0/sys/conf/ldscript.amd64 333784 2018-05-18 07:31:26Z mjg $ */
     OUTPUT_FORMAT("elf64-x86-64-freebsd", "elf64-x86-64-freebsd", "elf64-x86-64-freebsd")
     OUTPUT_ARCH(i386:x86-64)
     ENTRY(btext)
     SEARCH_DIR("/usr/lib");
     SECTIONS
     {
       /* Read-only sections, merged into text segment: */
       kernphys = 0x200000;
      . = kernbase + kernphys + SIZEOF_HEADERS;
      /*
       * Use the AT keyword in order to set the right LMA that contains
       * the physical address where the section should be loaded. This is
       * needed for the Xen loader which honours the LMA.
       */
      .interp         : AT (kernphys + SIZEOF_HEADERS) { *(.interp) }
      .hash           : { *(.hash) }
      .gnu.hash       : { *(.gnu.hash) }
      .dynsym         : { *(.dynsym) }
      .dynstr         : { *(.dynstr) }
      .gnu.version    : { *(.gnu.version) }
      .gnu.version_d  : { *(.gnu.version_d) }
      .gnu.version_r  : { *(.gnu.version_r) }
      .rel.init       : { *(.rel.init) }
      .rela.init      : { *(.rela.init) }
      .rel.text       : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
      .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
      .rel.fini       : { *(.rel.fini) }
      .rela.fini      : { *(.rela.fini) }
      .rel.rodata     : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
      .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
      .rel.data.rel.ro   : { *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*) }
      .rela.data.rel.ro   : { *(.rela.data.rel.ro* .rela.gnu.linkonce.d.rel.ro.*) }
      .rel.data       : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
      .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
      .rel.tdata      : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
      .rela.tdata     : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
      .rel.tbss       : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
      .rela.tbss      : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
      .rel.ctors      : { *(.rel.ctors) }
      .rela.ctors     : { *(.rela.ctors) }
      .rel.dtors      : { *(.rel.dtors) }
      .rela.dtors     : { *(.rela.dtors) }
      .rel.got        : { *(.rel.got) }
      .rela.got       : { *(.rela.got) }
      .rel.bss        : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
      .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
      .rel.ldata      : { *(.rel.ldata .rel.ldata.* .rel.gnu.linkonce.l.*) }
      .rela.ldata     : { *(.rela.ldata .rela.ldata.* .rela.gnu.linkonce.l.*) }
      .rel.lbss       : { *(.rel.lbss .rel.lbss.* .rel.gnu.linkonce.lb.*) }
      .rela.lbss      : { *(.rela.lbss .rela.lbss.* .rela.gnu.linkonce.lb.*) }
      .rel.lrodata    : { *(.rel.lrodata .rel.lrodata.* .rel.gnu.linkonce.lr.*) }
      .rela.lrodata   : { *(.rela.lrodata .rela.lrodata.* .rela.gnu.linkonce.lr.*) }
      .rel.plt        : { *(.rel.plt) }
      .rela.plt       : { *(.rela.plt) }
      .init           :
      {
        KEEP (*(.init))
      } =0xCCCCCCCC
      .plt            : { *(.plt) }
      .text           :
      {
        *(.text .stub .text.* .gnu.linkonce.t.*)
        KEEP (*(.text.*personality*))
        /* .gnu.warning sections are handled specially by elf32.em.  */
        *(.gnu.warning)
      } =0xCCCCCCCC
      .fini           :
      {
        KEEP (*(.fini))
      } =0xCCCCCCCC
      PROVIDE (__etext = .);
      PROVIDE (_etext = .);
      PROVIDE (etext = .);
      .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
      .rodata1        : { *(.rodata1) }
      .eh_frame_hdr : { *(.eh_frame_hdr) }
      .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
      .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
      /* Adjust the address for the data segment.  We want to adjust up to
         the same address within the page on the next page up.  */
      . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
      PROVIDE (brwsection = .);
      /* Exception handling  */
      .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
      .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
      /* Thread Local Storage sections  */
      .tdata          : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
      .tbss           : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
      .preinit_array     :
      {
        PROVIDE_HIDDEN (__preinit_array_start = .);
        KEEP (*(.preinit_array))
        PROVIDE_HIDDEN (__preinit_array_end = .);
      }
      .init_array     :
      {
         PROVIDE_HIDDEN (__init_array_start = .);
         KEEP (*(SORT(.init_array.*)))
        KEEP (*(.init_array))
        PROVIDE_HIDDEN (__init_array_end = .);
     }
     .fini_array     :
     {
       PROVIDE_HIDDEN (__fini_array_start = .);
       KEEP (*(.fini_array))
       KEEP (*(SORT(.fini_array.*)))
       PROVIDE_HIDDEN (__fini_array_end = .);
     }
     _start_ctors = .;
     PROVIDE (start_ctors = .);
     .ctors          :
     {
       /* gcc uses crtbegin.o to find the start of
          the constructors, so we make sure it is
          first.  Because this is a wildcard, it
          doesn't matter if the user does not
          actually link against crtbegin.o; the
          linker won't look for a file to match a
          wildcard.  The wildcard also means that it
          doesn't matter which directory crtbegin.o
          is in.  */
       KEEP (*crtbegin.o(.ctors))
       KEEP (*crtbegin?.o(.ctors))
       /* We don't want to include the .ctor section from
          the crtend.o file until after the sorted ctors.
          The .ctor section from the crtend file contains the
          end of ctors marker and it must be last */
       KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
       KEEP (*(SORT(.ctors.*)))
       KEEP (*(.ctors))
     }
     _stop_ctors = .;
     PROVIDE (stop_ctors = .);
     .dtors          :
     {
       KEEP (*crtbegin.o(.dtors))
       KEEP (*crtbegin?.o(.dtors))
       KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
       KEEP (*(SORT(.dtors.*)))
       KEEP (*(.dtors))
     }
     .jcr            : { KEEP (*(.jcr)) }
     .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
     .dynamic        : { *(.dynamic) }
     .got            : { *(.got) }
     . = DATA_SEGMENT_RELRO_END (24, .);
     .got.plt        : { *(.got.plt) }
     . = ALIGN(128);
     .data.read_frequently :
     {
       *(SORT_BY_ALIGNMENT(.data.read_frequently))
     }
     .data.read_mostly :
     {
       *(.data.read_mostly)
     }
     . = ALIGN(128);
     .data.exclusive_cache_line :
     {
       *(.data.exclusive_cache_line)
     }
     . = ALIGN(128);
     .data           :
     {
       *(.data .data.* .gnu.linkonce.d.*)
       KEEP (*(.gnu.linkonce.d.*personality*))
     }
     .data1          : { *(.data1) }
     _edata = .; PROVIDE (edata = .);
     __bss_start = .;
     .bss            :
     {
      *(.dynbss)
      *(.bss .bss.* .gnu.linkonce.b.*)
      *(COMMON)
      /* Align here to ensure that the .bss section occupies space up to
         _end.  Align after .bss to ensure correct alignment even if the
         .bss section disappears because there are no input sections.
         FIXME: Why do we need it? When there is no .bss section, we don't
         pad the .data section.  */
      . = ALIGN(. != 0 ? 64 / 8 : 1);
     }
     .lbss   :
     {
       *(.dynlbss)
       *(.lbss .lbss.* .gnu.linkonce.lb.*)
       *(LARGE_COMMON)
     }
     . = ALIGN(64 / 8);
     .lrodata   ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) :
     {
       *(.lrodata .lrodata.* .gnu.linkonce.lr.*)
     }
     .ldata   ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) :
     {
       *(.ldata .ldata.* .gnu.linkonce.l.*)
       . = ALIGN(. != 0 ? 64 / 8 : 1);
     }
     . = ALIGN(64 / 8);
     _end = .; PROVIDE (end = .);
     . = DATA_SEGMENT_END (.);
     /* Stabs debugging sections.  */
     .stab          0 : { *(.stab) }
     .stabstr       0 : { *(.stabstr) }
     .stab.excl     0 : { *(.stab.excl) }
     .stab.exclstr  0 : { *(.stab.exclstr) }
     .stab.index    0 : { *(.stab.index) }
     .stab.indexstr 0 : { *(.stab.indexstr) }
     .comment       0 : { *(.comment) }
     /* DWARF debug sections.
        Symbols in the DWARF debugging sections are relative to the beginning
        of the section so we begin them at 0.  */
     /* DWARF 1 */
     .debug          0 : { *(.debug) }
     .line           0 : { *(.line) }
     /* GNU DWARF 1 extensions */
     .debug_srcinfo  0 : { *(.debug_srcinfo) }
     .debug_sfnames  0 : { *(.debug_sfnames) }
     /* DWARF 1.1 and DWARF 2 */
     .debug_aranges  0 : { *(.debug_aranges) }
     .debug_pubnames 0 : { *(.debug_pubnames) }
     /* DWARF 2 */
     .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
     .debug_abbrev   0 : { *(.debug_abbrev) }
     .debug_line     0 : { *(.debug_line) }
     .debug_frame    0 : { *(.debug_frame) }
     .debug_str      0 : { *(.debug_str) }
     .debug_loc      0 : { *(.debug_loc) }
     .debug_macinfo  0 : { *(.debug_macinfo) }
     /* SGI/MIPS DWARF 2 extensions */
     .debug_weaknames 0 : { *(.debug_weaknames) }
     .debug_funcnames 0 : { *(.debug_funcnames) }
     .debug_typenames 0 : { *(.debug_typenames) }
     .debug_varnames  0 : { *(.debug_varnames) }
     /* DWARF 3 */
     .debug_pubtypes 0 : { *(.debug_pubtypes) }
     .debug_ranges   0 : { *(.debug_ranges) }
     .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
     /DISCARD/ : { *(.note.GNU-stack) }
   }

Cache object: 13fdbe475bb2903c9792a559fa36ed36