Home | History | Annotate | Download | only in ldscripts
      1 /* Script for ld -pie: link position independent executable */
      2 OUTPUT_FORMAT("elf32-i386", "elf32-i386",
      3 	      "elf32-i386")
      4 OUTPUT_ARCH(i386)
      5 ENTRY(_start)
      6 SECTIONS
      7 {
      8   /* Read-only sections, merged into text segment: */
      9   . = 0 + SIZEOF_HEADERS;
     10   .interp         : { *(.interp) }
     11   .note.gnu.build-id : { *(.note.gnu.build-id) }
     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   .rel.text       : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
     21   .rel.fini       : { *(.rel.fini) }
     22   .rel.rodata     : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
     23   .rel.data.rel.ro   : { *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*) }
     24   .rel.data       : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
     25   .rel.tdata	  : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
     26   .rel.tbss	  : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
     27   .rel.ctors      : { *(.rel.ctors) }
     28   .rel.dtors      : { *(.rel.dtors) }
     29   .rel.got        : { *(.rel.got) }
     30   .rel.bss        : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
     31   .rel.ifunc      : { *(.rel.ifunc) }
     32   .rel.plt        :
     33     {
     34       *(.rel.plt)
     35       PROVIDE_HIDDEN (__rel_iplt_start = .);
     36       *(.rel.iplt)
     37       PROVIDE_HIDDEN (__rel_iplt_end = .);
     38     }
     39   .init           :
     40   {
     41     KEEP (*(.init))
     42   } =0x90909090
     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.*)
     51     /* .gnu.warning sections are handled specially by elf32.em.  */
     52     *(.gnu.warning)
     53   } =0x90909090
     54   .fini           :
     55   {
     56     KEEP (*(.fini))
     57   } =0x90909090
     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 .gcc_except_table.*) }
     66   /* Adjust the address for the data segment.  We want to align at exactly
     67      a page boundary to make life easier for apriori. */
     68   . = ALIGN (CONSTANT (MAXPAGESIZE)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
     69   /* Exception handling  */
     70   .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
     71   .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
     72   /* Thread Local Storage sections  */
     73   .tdata	  : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
     74   .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
     75   /* Ensure the __preinit_array_start label is properly aligned.  We
     76      could instead move the label definition inside the section, but
     77      the linker would then create the section even if it turns out to
     78      be empty, which isn't pretty.  */
     79   . = ALIGN(32 / 8);
     80   PROVIDE_HIDDEN (__preinit_array_start = .);
     81   .preinit_array     :
     82   {
     83     KEEP (*(.preinit_array))
     84   }
     85   PROVIDE_HIDDEN (__preinit_array_end = .);
     86   PROVIDE_HIDDEN (__init_array_start = .);
     87   .init_array     :
     88   {
     89     KEEP (*crtbegin*.o(.init_array))
     90     KEEP (*(SORT(.init_array.*)))
     91     KEEP (*(.init_array))
     92   }
     93   PROVIDE_HIDDEN (__init_array_end = .);
     94   PROVIDE_HIDDEN (__fini_array_start = .);
     95   .fini_array     :
     96   {
     97     KEEP (*crtbegin*.o(.fini_array))
     98     KEEP (*(SORT(.fini_array.*)))
     99     KEEP (*(.fini_array))
    100   }
    101   PROVIDE_HIDDEN (__fini_array_end = .);
    102   .ctors          :
    103   {
    104     /* gcc uses crtbegin.o to find the start of
    105        the constructors, so we make sure it is
    106        first.  Because this is a wildcard, it
    107        doesn't matter if the user does not
    108        actually link against crtbegin.o; the
    109        linker won't look for a file to match a
    110        wildcard.  The wildcard also means that it
    111        doesn't matter which directory crtbegin.o
    112        is in.  */
    113     KEEP (*crtbegin.o(.ctors))
    114     KEEP (*crtbegin*.o(.ctors))
    115     /* We don't want to include the .ctor section from
    116        the crtend.o file until after the sorted ctors.
    117        The .ctor section from the crtend file contains the
    118        end of ctors marker and it must be last */
    119     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .ctors))
    120     KEEP (*(SORT(.ctors.*)))
    121     KEEP (*(.ctors))
    122   }
    123   .dtors          :
    124   {
    125     KEEP (*crtbegin.o(.dtors))
    126     KEEP (*crtbegin*.o(.dtors))
    127     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .dtors))
    128     KEEP (*(SORT(.dtors.*)))
    129     KEEP (*(.dtors))
    130   }
    131   .jcr            : { KEEP (*(.jcr)) }
    132   .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
    133   .dynamic        : { *(.dynamic) }
    134   .got            : { *(.got) *(.igot) }
    135   . = DATA_SEGMENT_RELRO_END (12, .);
    136   .got.plt        : { *(.got.plt)  *(.igot.plt) }
    137   .data           :
    138   {
    139     *(.data .data.* .gnu.linkonce.d.*)
    140     SORT(CONSTRUCTORS)
    141   }
    142   .data1          : { *(.data1) }
    143   _edata = .; PROVIDE (edata = .);
    144   __bss_start = .;
    145   .bss            :
    146   {
    147    *(.dynbss)
    148    *(.bss .bss.* .gnu.linkonce.b.*)
    149    *(COMMON)
    150    /* Align here to ensure that the .bss section occupies space up to
    151       _end.  Align after .bss to ensure correct alignment even if the
    152       .bss section disappears because there are no input sections.  */
    153    . = ALIGN(32 / 8);
    154   }
    155   . = ALIGN(32 / 8);
    156   . = ALIGN(32 / 8);
    157   _end = .;
    158   _bss_end__ = . ; __bss_end__ = . ; __end__ = . ;
    159   PROVIDE (end = .);
    160   . = DATA_SEGMENT_END (.);
    161   /* Stabs debugging sections.  */
    162   .stab          0 : { *(.stab) }
    163   .stabstr       0 : { *(.stabstr) }
    164   .stab.excl     0 : { *(.stab.excl) }
    165   .stab.exclstr  0 : { *(.stab.exclstr) }
    166   .stab.index    0 : { *(.stab.index) }
    167   .stab.indexstr 0 : { *(.stab.indexstr) }
    168   .comment       0 : { *(.comment) }
    169   /* DWARF debug sections.
    170      Symbols in the DWARF debugging sections are relative to the beginning
    171      of the section so we begin them at 0.  */
    172   /* DWARF 1 */
    173   .debug          0 : { *(.debug) }
    174   .line           0 : { *(.line) }
    175   /* GNU DWARF 1 extensions */
    176   .debug_srcinfo  0 : { *(.debug_srcinfo .zdebug_srcinfo) }
    177   .debug_sfnames  0 : { *(.debug_sfnames .zdebug_sfnames) }
    178   /* DWARF 1.1 and DWARF 2 */
    179   .debug_aranges  0 : { *(.debug_aranges .zdebug_aranges) }
    180   .debug_pubnames 0 : { *(.debug_pubnames .zdebug_pubnames) }
    181   /* DWARF 2 */
    182   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.* .zdebug_info) }
    183   .debug_abbrev   0 : { *(.debug_abbrev .zdebug_abbrev) }
    184   .debug_line     0 : { *(.debug_line .zdebug_line) }
    185   .debug_frame    0 : { *(.debug_frame .zdebug_frame) }
    186   .debug_str      0 : { *(.debug_str .zdebug_str) }
    187   .debug_loc      0 : { *(.debug_loc .zdebug_loc) }
    188   .debug_macinfo  0 : { *(.debug_macinfo .zdebug_macinfo) }
    189   /* SGI/MIPS DWARF 2 extensions */
    190   .debug_weaknames 0 : { *(.debug_weaknames .zdebug_weaknames) }
    191   .debug_funcnames 0 : { *(.debug_funcnames .zdebug_funcnames) }
    192   .debug_typenames 0 : { *(.debug_typenames .zdebug_typenames) }
    193   .debug_varnames  0 : { *(.debug_varnames .zdebug_varnames) }
    194   /* DWARF 3 */
    195   .debug_pubtypes 0 : { *(.debug_pubtypes .zdebug_pubtypes) }
    196   .debug_ranges   0 : { *(.debug_ranges .zdebug_ranges) }
    197   .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
    198   /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.mdebug.*) }
    199 }
    200