x86_64.ld

   1 /* Default linker script, for normal executables */
   2 OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64")
   3 OUTPUT_ARCH(i386:x86-64)
   4 ENTRY(_start)
   5 SEARCH_DIR("/lib64"); SEARCH_DIR("/usr/lib64"); SEARCH_DIR("/usr/local/lib64");
   6 SECTIONS
   7 {
   8   /* Read-only sections, merged into text segment: */
   9   . = 0x60000000 + SIZEOF_HEADERS;
  10   .interp         : { *(.interp) }
  11   .hash           : { *(.hash) }
  12   .dynsym         : { *(.dynsym) }
  13   .dynstr         : { *(.dynstr) }
  14   .gnu.version    : { *(.gnu.version) }
  15   .gnu.version_d  : { *(.gnu.version_d) }
  16   .gnu.version_r  : { *(.gnu.version_r) }
  17   .rel.init       : { *(.rel.init) }
  18   .rela.init      : { *(.rela.init) }
  19   .rel.text       : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
  20   .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
  21   .rel.fini       : { *(.rel.fini) }
  22   .rela.fini      : { *(.rela.fini) }
  23   .rel.rodata     : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
  24   .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
  25   .rel.data       : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
  26   .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
  27   .rel.tdata      : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
  28   .rela.tdata     : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
  29   .rel.tbss       : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
  30   .rela.tbss      : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
  31   .rel.ctors      : { *(.rel.ctors) }
  32   .rela.ctors     : { *(.rela.ctors) }
  33   .rel.dtors      : { *(.rel.dtors) }
  34   .rela.dtors     : { *(.rela.dtors) }
  35   .rel.got        : { *(.rel.got) }
  36   .rela.got       : { *(.rela.got) }
  37   .rel.bss        : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
  38   .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
  39   .rel.plt        : { *(.rel.plt) }
  40   .rela.plt       : { *(.rela.plt) }
  41   .init           :
  42   {
  43     KEEP (*(.init))
  44   } =0x90909090
  45   .plt            : { *(.plt) }
  46   .text           :
  47   {
  48     *(.text .stub .text.* .gnu.linkonce.t.*)
  49     /* .gnu.warning sections are handled specially by elf32.em.  */
  50     *(.gnu.warning)
  51   } =0x90909090
  52   .fini           :
  53   {
  54     KEEP (*(.fini))
  55   } =0x90909090
  56   PROVIDE (__etext = .);
  57   PROVIDE (_etext = .);
  58   PROVIDE (etext = .);
  59   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
  60   .rodata1        : { *(.rodata1) }
  61   .eh_frame_hdr : { *(.eh_frame_hdr) }
  62   .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
  63   .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table) }
  64   /* Adjust the address for the data segment.  We want to adjust up to
  65      the same address within the page on the next page up.  */
  66   . = ALIGN (0x100000) - ((0x100000 - .) & (0x100000 - 1)); . = DATA_SEGMENT_ALIGN (0x100000, 0x1000);
  67   /* Ensure the __preinit_array_start label is properly aligned.  We
  68      could instead move the label definition inside the section, but
  69      the linker would then create the section even if it turns out to
  70      be empty, which isn't pretty.  */
  71   . = ALIGN(64 / 8);
  72   PROVIDE (__preinit_array_start = .);
  73   .preinit_array     : { *(.preinit_array) }
  74   PROVIDE (__preinit_array_end = .);
  75   PROVIDE (__init_array_start = .);
  76   .init_array     : { *(.init_array) }
  77   PROVIDE (__init_array_end = .);
  78   PROVIDE (__fini_array_start = .);
  79   .fini_array     : { *(.fini_array) }
  80   PROVIDE (__fini_array_end = .);
  81   .data           :
  82   {
  83     *(.data .data.* .gnu.linkonce.d.*)
  84     SORT(CONSTRUCTORS)
  85   }
  86   .data1          : { *(.data1) }
  87   .tdata          : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
  88   .tbss           : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
  89   .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
  90   .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table) }
  91   .dynamic        : { *(.dynamic) }
  92   .ctors          :
  93   {
  94     /* gcc uses crtbegin.o to find the start of
  95        the constructors, so we make sure it is
  96        first.  Because this is a wildcard, it
  97        doesn't matter if the user does not
  98        actually link against crtbegin.o; the
  99        linker won't look for a file to match a
 100        wildcard.  The wildcard also means that it
 101        doesn't matter which directory crtbegin.o
 102        is in.  */
 103     KEEP (*crtbegin.o(.ctors))
 104     /* We don't want to include the .ctor section from
 105        from the crtend.o file until after the sorted ctors.
 106        The .ctor section from the crtend file contains the
 107        end of ctors marker and it must be last */
 108     KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors))
 109     KEEP (*(SORT(.ctors.*)))
 110     KEEP (*(.ctors))
 111   }
 112   .dtors          :
 113   {
 114     KEEP (*crtbegin.o(.dtors))
 115     KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors))
 116     KEEP (*(SORT(.dtors.*)))
 117     KEEP (*(.dtors))
 118   }
 119   .jcr            : { KEEP (*(.jcr)) }
 120   .got            : { *(.got.plt) *(.got) }
 121   _edata = .;
 122   PROVIDE (edata = .);
 123   __bss_start = .;
 124   .bss            :
 125   {
 126    *(.dynbss)
 127    *(.bss .bss.* .gnu.linkonce.b.*)
 128    *(COMMON)
 129    /* Align here to ensure that the .bss section occupies space up to
 130       _end.  Align after .bss to ensure correct alignment even if the
 131       .bss section disappears because there are no input sections.  */
 132    . = ALIGN(64 / 8);
 133   }
 134   . = ALIGN(64 / 8);
 135   _end = .;
 136   PROVIDE (end = .);
 137   . = DATA_SEGMENT_END (.);
 138   /* Stabs debugging sections.  */
 139   .stab          0 : { *(.stab) }
 140   .stabstr       0 : { *(.stabstr) }
 141   .stab.excl     0 : { *(.stab.excl) }
 142   .stab.exclstr  0 : { *(.stab.exclstr) }
 143   .stab.index    0 : { *(.stab.index) }
 144   .stab.indexstr 0 : { *(.stab.indexstr) }
 145   .comment       0 : { *(.comment) }
 146   /* DWARF debug sections.
 147      Symbols in the DWARF debugging sections are relative to the beginning
 148      of the section so we begin them at 0.  */
 149   /* DWARF 1 */
 150   .debug          0 : { *(.debug) }
 151   .line           0 : { *(.line) }
 152   /* GNU DWARF 1 extensions */
 153   .debug_srcinfo  0 : { *(.debug_srcinfo) }
 154   .debug_sfnames  0 : { *(.debug_sfnames) }
 155   /* DWARF 1.1 and DWARF 2 */
 156   .debug_aranges  0 : { *(.debug_aranges) }
 157   .debug_pubnames 0 : { *(.debug_pubnames) }
 158   /* DWARF 2 */
 159   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
 160   .debug_abbrev   0 : { *(.debug_abbrev) }
 161   .debug_line     0 : { *(.debug_line) }
 162   .debug_frame    0 : { *(.debug_frame) }
 163   .debug_str      0 : { *(.debug_str) }
 164   .debug_loc      0 : { *(.debug_loc) }
 165   .debug_macinfo  0 : { *(.debug_macinfo) }
 166   /* SGI/MIPS DWARF 2 extensions */
 167   .debug_weaknames 0 : { *(.debug_weaknames) }
 168   .debug_funcnames 0 : { *(.debug_funcnames) }
 169   .debug_typenames 0 : { *(.debug_typenames) }
 170   .debug_varnames  0 : { *(.debug_varnames) }
 171 }