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      1 /* Script for ld --shared: link shared library */
      2 OUTPUT_FORMAT("elf32-x86-64", "elf32-x86-64",
      3 	      "elf32-x86-64")
      4 OUTPUT_ARCH(i386:x64-32)
      5 ENTRY(_start)
      6 SECTIONS
      7 {
      8   /* Read-only sections, merged into text segment: */
      9   . = 0 + SIZEOF_HEADERS;
     10   .note.gnu.build-id : { *(.note.gnu.build-id) }
     11   .hash           : { *(.hash) }
     12   .gnu.hash       : { *(.gnu.hash) }
     13   .dynsym         : { *(.dynsym) }
     14   .dynstr         : { *(.dynstr) }
     15   .gnu.version    : { *(.gnu.version) }
     16   .gnu.version_d  : { *(.gnu.version_d) }
     17   .gnu.version_r  : { *(.gnu.version_r) }
     18   .rela.init      : { *(.rela.init) }
     19   .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
     20   .rela.fini      : { *(.rela.fini) }
     21   .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
     22   .rela.data.rel.ro   : { *(.rela.data.rel.ro .rela.data.rel.ro.* .rela.gnu.linkonce.d.rel.ro.*) }
     23   .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
     24   .rela.tdata	  : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
     25   .rela.tbss	  : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
     26   .rela.ctors     : { *(.rela.ctors) }
     27   .rela.dtors     : { *(.rela.dtors) }
     28   .rela.got       : { *(.rela.got) }
     29   .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
     30   .rela.ldata     : { *(.rela.ldata .rela.ldata.* .rela.gnu.linkonce.l.*) }
     31   .rela.lbss      : { *(.rela.lbss .rela.lbss.* .rela.gnu.linkonce.lb.*) }
     32   .rela.lrodata   : { *(.rela.lrodata .rela.lrodata.* .rela.gnu.linkonce.lr.*) }
     33   .rela.ifunc     : { *(.rela.ifunc) }
     34   .rela.plt       :
     35     {
     36       *(.rela.plt)
     37       *(.rela.iplt)
     38     }
     39   .init           :
     40   {
     41     KEEP (*(.init))
     42   }
     43   .plt            : { *(.plt) *(.iplt) }
     44   .text           :
     45   {
     46     *(.text.unlikely .text.*_unlikely)
     47     *(.text.exit .text.exit.*)
     48     *(.text.startup .text.startup.*)
     49     *(.text.hot .text.hot.*)
     50     *(.text .stub .text.* .gnu.linkonce.t.*)
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     52     *(.gnu.warning)
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     54   .fini           :
     55   {
     56     KEEP (*(.fini))
     57   }
     58   PROVIDE (__etext = .);
     59   PROVIDE (_etext = .);
     60   PROVIDE (etext = .);
     61   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
     62   .rodata1        : { *(.rodata1) }
     63   .eh_frame_hdr : { *(.eh_frame_hdr) }
     64   .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
     65   .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table
     66   .gcc_except_table.*) }
     67   /* These sections are generated by the Sun/Oracle C++ compiler.  */
     68   .exception_ranges   : ONLY_IF_RO { *(.exception_ranges
     69   .exception_ranges*) }
     70   /* Adjust the address for the data segment.  We want to align at exactly
     71      a page boundary to make life easier for apriori. */
     72   . = ALIGN (CONSTANT (MAXPAGESIZE)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
     73   /* Exception handling  */
     74   .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
     75   .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
     76   .exception_ranges   : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) }
     77   /* Thread Local Storage sections  */
     78   .tdata	  : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
     79   .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
     80   /* Ensure the __preinit_array_start label is properly aligned.  We
     81      could instead move the label definition inside the section, but
     82      the linker would then create the section even if it turns out to
     83      be empty, which isn't pretty.  */
     84   . = ALIGN(32 / 8);
     85   .preinit_array     :
     86   {
     87     KEEP (*(.preinit_array))
     88   }
     89   .init_array     :
     90   {
     91     KEEP (*crtbegin*.o(.init_array))
     92     KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
     93     KEEP (*(.init_array))
     94     KEEP (*(EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
     95   }
     96   .fini_array     :
     97   {
     98     KEEP (*crtbegin*.o(.fini_array))
     99     KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
    100     KEEP (*(.fini_array))
    101     KEEP (*(EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
    102   }
    103   .ctors          :
    104   {
    105     /* gcc uses crtbegin.o to find the start of
    106        the constructors, so we make sure it is
    107        first.  Because this is a wildcard, it
    108        doesn't matter if the user does not
    109        actually link against crtbegin.o; the
    110        linker won't look for a file to match a
    111        wildcard.  The wildcard also means that it
    112        doesn't matter which directory crtbegin.o
    113        is in.  */
    114     KEEP (*crtbegin.o(.ctors))
    115     KEEP (*crtbegin*.o(.ctors))
    116     /* We don't want to include the .ctor section from
    117        the crtend.o file until after the sorted ctors.
    118        The .ctor section from the crtend file contains the
    119        end of ctors marker and it must be last */
    120     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .ctors))
    121     KEEP (*(SORT(.ctors.*)))
    122     KEEP (*(.ctors))
    123   }
    124   .dtors          :
    125   {
    126     KEEP (*crtbegin.o(.dtors))
    127     KEEP (*crtbegin*.o(.dtors))
    128     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .dtors))
    129     KEEP (*(SORT(.dtors.*)))
    130     KEEP (*(.dtors))
    131   }
    132   .jcr            : { KEEP (*(.jcr)) }
    133   .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }
    134   .dynamic        : { *(.dynamic) }
    135   .got            : { *(.got) *(.igot) }
    136   . = DATA_SEGMENT_RELRO_END (SIZEOF (.got.plt) >= 24 ? 24 : 0, .);
    137   .got.plt        : { *(.got.plt)  *(.igot.plt) }
    138   .data           :
    139   {
    140     *(.data .data.* .gnu.linkonce.d.*)
    141     SORT(CONSTRUCTORS)
    142   }
    143   .data1          : { *(.data1) }
    144   _edata = .; PROVIDE (edata = .);
    145   . = .;
    146   __bss_start = .;
    147   .bss            :
    148   {
    149    *(.dynbss)
    150    *(.bss .bss.* .gnu.linkonce.b.*)
    151    *(COMMON)
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    154       .bss section disappears because there are no input sections.  */
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    156   }
    157   .lbss   :
    158   {
    159     *(.dynlbss)
    160     *(.lbss .lbss.* .gnu.linkonce.lb.*)
    161     *(LARGE_COMMON)
    162   }
    163   . = ALIGN(32 / 8);
    164   .lrodata   ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) :
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    166     *(.lrodata .lrodata.* .gnu.linkonce.lr.*)
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    168   .ldata   ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) :
    169   {
    170     *(.ldata .ldata.* .gnu.linkonce.l.*)
    171     . = ALIGN(. != 0 ? 32 / 8 : 1);
    172   }
    173   . = ALIGN(32 / 8);
    174   _end = .;
    175   _bss_end__ = . ; __bss_end__ = . ; __end__ = . ;
    176   PROVIDE (end = .);
    177   . = DATA_SEGMENT_END (.);
    178   /* Stabs debugging sections.  */
    179   .stab          0 : { *(.stab) }
    180   .stabstr       0 : { *(.stabstr) }
    181   .stab.excl     0 : { *(.stab.excl) }
    182   .stab.exclstr  0 : { *(.stab.exclstr) }
    183   .stab.index    0 : { *(.stab.index) }
    184   .stab.indexstr 0 : { *(.stab.indexstr) }
    185   .comment       0 : { *(.comment) }
    186   /* DWARF debug sections.
    187      Symbols in the DWARF debugging sections are relative to the beginning
    188      of the section so we begin them at 0.  */
    189   /* DWARF 1 */
    190   .debug          0 : { *(.debug) }
    191   .line           0 : { *(.line) }
    192   /* GNU DWARF 1 extensions */
    193   .debug_srcinfo  0 : { *(.debug_srcinfo) }
    194   .debug_sfnames  0 : { *(.debug_sfnames) }
    195   /* DWARF 1.1 and DWARF 2 */
    196   .debug_aranges  0 : { *(.debug_aranges) }
    197   .debug_pubnames 0 : { *(.debug_pubnames) }
    198   /* DWARF 2 */
    199   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
    200   .debug_abbrev   0 : { *(.debug_abbrev) }
    201   .debug_line     0 : { *(.debug_line) }
    202   .debug_frame    0 : { *(.debug_frame) }
    203   .debug_str      0 : { *(.debug_str) }
    204   .debug_loc      0 : { *(.debug_loc) }
    205   .debug_macinfo  0 : { *(.debug_macinfo) }
    206   /* SGI/MIPS DWARF 2 extensions */
    207   .debug_weaknames 0 : { *(.debug_weaknames) }
    208   .debug_funcnames 0 : { *(.debug_funcnames) }
    209   .debug_typenames 0 : { *(.debug_typenames) }
    210   .debug_varnames  0 : { *(.debug_varnames) }
    211   /* DWARF 3 */
    212   .debug_pubtypes 0 : { *(.debug_pubtypes) }
    213   .debug_ranges   0 : { *(.debug_ranges) }
    214   /* DWARF Extension.  */
    215   .debug_macro    0 : { *(.debug_macro) }
    216   .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
    217   /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.mdebug.*) }
    218 }
    219