trunk/markers-userspace/elf_x86_64.x

   1 /* Default linker script, for normal executables */
   2 OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64",
   3               "elf64-x86-64")
   4 OUTPUT_ARCH(i386:x86-64)
   5 ENTRY(_start)
   6 SEARCH_DIR("/usr/x86_64-linux-gnu/lib64"); SEARCH_DIR("/usr/local/lib64"); SEARCH_DIR("/lib64"); SEARCH_DIR("/usr/lib64"); SEARCH_DIR("/usr/x86_64-linux-gnu/lib"); SEARCH_DIR("/usr/local/lib"); SEARCH_DIR("/lib"); SEARCH_DIR("/usr/lib");
   7 SECTIONS
   8 {
   9   /* Read-only sections, merged into text segment: */
  10   PROVIDE (__executable_start = 0x400000); . = 0x400000 + SIZEOF_HEADERS;
  11   .interp         : { *(.interp) }
  12   .note.gnu.build-id : { *(.note.gnu.build-id) }
  13   .hash           : { *(.hash) }
  14   .gnu.hash       : { *(.gnu.hash) }
  15   .dynsym         : { *(.dynsym) }
  16   .dynstr         : { *(.dynstr) }
  17   .gnu.version    : { *(.gnu.version) }
  18   .gnu.version_d  : { *(.gnu.version_d) }
  19   .gnu.version_r  : { *(.gnu.version_r) }
  20   .rel.init       : { *(.rel.init) }
  21   .rela.init      : { *(.rela.init) }
  22   .rel.text       : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
  23   .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
  24   .rel.fini       : { *(.rel.fini) }
  25   .rela.fini      : { *(.rela.fini) }
  26   .rel.rodata     : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
  27   .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
  28   .rel.data.rel.ro   : { *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*) }
  29   .rela.data.rel.ro   : { *(.rela.data.rel.ro* .rela.gnu.linkonce.d.rel.ro.*) }
  30   .rel.data       : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
  31   .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
  32   .rel.tdata      : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
  33   .rela.tdata     : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
  34   .rel.tbss       : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
  35   .rela.tbss      : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
  36   .rel.ctors      : { *(.rel.ctors) }
  37   .rela.ctors     : { *(.rela.ctors) }
  38   .rel.dtors      : { *(.rel.dtors) }
  39   .rela.dtors     : { *(.rela.dtors) }
  40   .rel.got        : { *(.rel.got) }
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  43   .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
  44   .rel.ldata      : { *(.rel.ldata .rel.ldata.* .rel.gnu.linkonce.l.*) }
  45   .rela.ldata     : { *(.rela.ldata .rela.ldata.* .rela.gnu.linkonce.l.*) }
  46   .rel.lbss       : { *(.rel.lbss .rel.lbss.* .rel.gnu.linkonce.lb.*) }
  47   .rela.lbss      : { *(.rela.lbss .rela.lbss.* .rela.gnu.linkonce.lb.*) }
  48   .rel.lrodata    : { *(.rel.lrodata .rel.lrodata.* .rel.gnu.linkonce.lr.*) }
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  50   .rel.plt        : { *(.rel.plt) }
  51   .rela.plt       : { *(.rela.plt) }
  52   .init           :
  53   {
  54     KEEP (*(.init))
  55   } =0x90909090
  56   .plt            : { *(.plt) }
  57   .text           :
  58   {
  59     *(.text .stub .text.* .gnu.linkonce.t.*)
  60     KEEP (*(.text.*personality*))
  61     /* .gnu.warning sections are handled specially by elf32.em.  */
  62     *(.gnu.warning)
  63   } =0x90909090
  64   .fini           :
  65   {
  66     KEEP (*(.fini))
  67   } =0x90909090
  68   PROVIDE (__etext = .);
  69   PROVIDE (_etext = .);
  70   PROVIDE (etext = .);
  71   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
  72   .rodata1        : { *(.rodata1) }
  73   .eh_frame_hdr : { *(.eh_frame_hdr) }
  74   .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
  75   .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
  76   /* Adjust the address for the data segment.  We want to adjust up to
  77      the same address within the page on the next page up.  */
  78   . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
  79   /* Exception handling  */
  80   .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
  81   .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
  82   /* Thread Local Storage sections  */
  83   .tdata          : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
  84   .tbss           : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
  85   .preinit_array     :
  86   {
  87     PROVIDE_HIDDEN (__preinit_array_start = .);
  88     KEEP (*(.preinit_array))
  89     PROVIDE_HIDDEN (__preinit_array_end = .);
  90   }
  91   .init_array     :
  92   {
  93      PROVIDE_HIDDEN (__init_array_start = .);
  94      KEEP (*(SORT(.init_array.*)))
  95      KEEP (*(.init_array))
  96      PROVIDE_HIDDEN (__init_array_end = .);
  97   }
  98   .fini_array     :
  99   {
 100     PROVIDE_HIDDEN (__fini_array_start = .);
 101     KEEP (*(.fini_array))
 102     KEEP (*(SORT(.fini_array.*)))
 103     PROVIDE_HIDDEN (__fini_array_end = .);
 104   }
 105   .ctors          :
 106   {
 107     /* gcc uses crtbegin.o to find the start of
 108        the constructors, so we make sure it is
 109        first.  Because this is a wildcard, it
 110        doesn't matter if the user does not
 111        actually link against crtbegin.o; the
 112        linker won't look for a file to match a
 113        wildcard.  The wildcard also means that it
 114        doesn't matter which directory crtbegin.o
 115        is in.  */
 116     KEEP (*crtbegin.o(.ctors))
 117     KEEP (*crtbegin?.o(.ctors))
 118     /* We don't want to include the .ctor section from
 119        the crtend.o file until after the sorted ctors.
 120        The .ctor section from the crtend file contains the
 121        end of ctors marker and it must be last */
 122     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
 123     KEEP (*(SORT(.ctors.*)))
 124     KEEP (*(.ctors))
 125   }
 126   .dtors          :
 127   {
 128     KEEP (*crtbegin.o(.dtors))
 129     KEEP (*crtbegin?.o(.dtors))
 130     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
 131     KEEP (*(SORT(.dtors.*)))
 132     KEEP (*(.dtors))
 133   }
 134   .jcr            : { KEEP (*(.jcr)) }
 135   .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
 136   .dynamic        : { *(.dynamic) }
 137   .got            : { *(.got) }
 138   . = DATA_SEGMENT_RELRO_END (24, .);
 139   .got.plt        : { *(.got.plt) }
 140   .data           :
 141   {
 142     *(.data .data.* .gnu.linkonce.d.*)
 143     KEEP (*(.gnu.linkonce.d.*personality*))
 144     SORT(CONSTRUCTORS)
 145   }
 146   .data1          : { *(.data1) }
 147   _edata = .; PROVIDE (edata = .);
 148   __bss_start = .;
 149   .bss            :
 150   {
 151    *(.dynbss)
 152    *(.bss .bss.* .gnu.linkonce.b.*)
 153    *(COMMON)
 154    /* Align here to ensure that the .bss section occupies space up to
 155       _end.  Align after .bss to ensure correct alignment even if the
 156       .bss section disappears because there are no input sections.
 157       FIXME: Why do we need it? When there is no .bss section, we don't
 158       pad the .data section.  */
 159    . = ALIGN(. != 0 ? 64 / 8 : 1);
 160   }
 161   .lbss   :
 162   {
 163     *(.dynlbss)
 164     *(.lbss .lbss.* .gnu.linkonce.lb.*)
 165     *(LARGE_COMMON)
 166   }
 167   . = ALIGN(64 / 8);
 168   .lrodata   ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) :
 169   {
 170     *(.lrodata .lrodata.* .gnu.linkonce.lr.*)
 171   }
 172   .ldata   ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) :
 173   {
 174     *(.ldata .ldata.* .gnu.linkonce.l.*)
 175     . = ALIGN(. != 0 ? 64 / 8 : 1);
 176   }
 177   . = ALIGN(64 / 8);
 178   _end = .; PROVIDE (end = .);
 179   . = DATA_SEGMENT_END (.);
 180   /* Stabs debugging sections.  */
 181   .stab          0 : { *(.stab) }
 182   .stabstr       0 : { *(.stabstr) }
 183   .stab.excl     0 : { *(.stab.excl) }
 184   .stab.exclstr  0 : { *(.stab.exclstr) }
 185   .stab.index    0 : { *(.stab.index) }
 186   .stab.indexstr 0 : { *(.stab.indexstr) }
 187   .comment       0 : { *(.comment) }
 188   /* DWARF debug sections.
 189      Symbols in the DWARF debugging sections are relative to the beginning
 190      of the section so we begin them at 0.  */
 191   /* DWARF 1 */
 192   .debug          0 : { *(.debug) }
 193   .line           0 : { *(.line) }
 194   /* GNU DWARF 1 extensions */
 195   .debug_srcinfo  0 : { *(.debug_srcinfo) }
 196   .debug_sfnames  0 : { *(.debug_sfnames) }
 197   /* DWARF 1.1 and DWARF 2 */
 198   .debug_aranges  0 : { *(.debug_aranges) }
 199   .debug_pubnames 0 : { *(.debug_pubnames) }
 200   /* DWARF 2 */
 201   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
 202   .debug_abbrev   0 : { *(.debug_abbrev) }
 203   .debug_line     0 : { *(.debug_line) }
 204   .debug_frame    0 : { *(.debug_frame) }
 205   .debug_str      0 : { *(.debug_str) }
 206   .debug_loc      0 : { *(.debug_loc) }
 207   .debug_macinfo  0 : { *(.debug_macinfo) }
 208   /* SGI/MIPS DWARF 2 extensions */
 209   .debug_weaknames 0 : { *(.debug_weaknames) }
 210   .debug_funcnames 0 : { *(.debug_funcnames) }
 211   .debug_typenames 0 : { *(.debug_typenames) }
 212   .debug_varnames  0 : { *(.debug_varnames) }
 213   /* DWARF 3 */
 214   .debug_pubtypes 0 : { *(.debug_pubtypes) }
 215   .debug_ranges   0 : { *(.debug_ranges) }
 216   .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
 217   /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) }
 218 }