Home | History | Annotate | Download | only in ldscripts
      1 /* Default linker script, for normal executables */
      2 /* Modified for Android.  */
      3 OUTPUT_FORMAT("elf32-x86-64", "elf32-x86-64",
      4 	      "elf32-x86-64")
      5 OUTPUT_ARCH(i386:x64-32)
      6 ENTRY(_start)
      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   .rela.init      : { *(.rela.init) }
     21   .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
     22   .rela.fini      : { *(.rela.fini) }
     23   .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
     24   .rela.data.rel.ro   : { *(.rela.data.rel.ro .rela.data.rel.ro.* .rela.gnu.linkonce.d.rel.ro.*) }
     25   .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
     26   .rela.tdata	  : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
     27   .rela.tbss	  : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
     28   .rela.ctors     : { *(.rela.ctors) }
     29   .rela.dtors     : { *(.rela.dtors) }
     30   .rela.got       : { *(.rela.got) }
     31   .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
     32   .rela.ldata     : { *(.rela.ldata .rela.ldata.* .rela.gnu.linkonce.l.*) }
     33   .rela.lbss      : { *(.rela.lbss .rela.lbss.* .rela.gnu.linkonce.lb.*) }
     34   .rela.lrodata   : { *(.rela.lrodata .rela.lrodata.* .rela.gnu.linkonce.lr.*) }
     35   .rela.ifunc     : { *(.rela.ifunc) }
     36   .rela.plt       :
     37     {
     38       *(.rela.plt)
     39       PROVIDE_HIDDEN (__rela_iplt_start = .);
     40       *(.rela.iplt)
     41       PROVIDE_HIDDEN (__rela_iplt_end = .);
     42     }
     43   .init           :
     44   {
     45     KEEP (*(.init))
     46   }
     47   .plt            : { *(.plt) *(.iplt) }
     48   .text           :
     49   {
     50     *(.text.unlikely .text.*_unlikely)
     51     *(.text.exit .text.exit.*)
     52     *(.text.startup .text.startup.*)
     53     *(.text.hot .text.hot.*)
     54     *(.text .stub .text.* .gnu.linkonce.t.*)
     55     /* .gnu.warning sections are handled specially by elf32.em.  */
     56     *(.gnu.warning)
     57   }
     58   .fini           :
     59   {
     60     KEEP (*(.fini))
     61   }
     62   PROVIDE (__etext = .);
     63   PROVIDE (_etext = .);
     64   PROVIDE (etext = .);
     65   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
     66   .rodata1        : { *(.rodata1) }
     67   .eh_frame_hdr : { *(.eh_frame_hdr) }
     68   .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
     69   .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table
     70   .gcc_except_table.*) }
     71   /* These sections are generated by the Sun/Oracle C++ compiler.  */
     72   .exception_ranges   : ONLY_IF_RO { *(.exception_ranges
     73   .exception_ranges*) }
     74   /* Adjust the address for the data segment.  We want to align at exactly
     75      a page boundary to make life easier for apriori. */
     76   . = ALIGN (CONSTANT (MAXPAGESIZE)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
     77   /* Exception handling  */
     78   .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
     79   .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
     80   .exception_ranges   : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) }
     81   /* Thread Local Storage sections  */
     82   .tdata	  : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
     83   .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
     84   /* Ensure the __preinit_array_start label is properly aligned.  We
     85      could instead move the label definition inside the section, but
     86      the linker would then create the section even if it turns out to
     87      be empty, which isn't pretty.  */
     88   . = ALIGN(32 / 8);
     89   PROVIDE_HIDDEN (__preinit_array_start = .);
     90   .preinit_array     :
     91   {
     92     KEEP (*(.preinit_array))
     93   }
     94   PROVIDE_HIDDEN (__preinit_array_end = .);
     95   PROVIDE_HIDDEN (__init_array_start = .);
     96   .init_array     :
     97   {
     98     KEEP (*crtbegin*.o(.init_array))
     99     KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
    100     KEEP (*(.init_array))
    101     KEEP (*(EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
    102   }
    103   PROVIDE_HIDDEN (__init_array_end = .);
    104   PROVIDE_HIDDEN (__fini_array_start = .);
    105   .fini_array     :
    106   {
    107     KEEP (*crtbegin*.o(.fini_array))
    108     KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
    109     KEEP (*(.fini_array))
    110     KEEP (*(EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
    111   }
    112   PROVIDE_HIDDEN (__fini_array_end = .);
    113   .ctors          :
    114   {
    115     /* gcc uses crtbegin.o to find the start of
    116        the constructors, so we make sure it is
    117        first.  Because this is a wildcard, it
    118        doesn't matter if the user does not
    119        actually link against crtbegin.o; the
    120        linker won't look for a file to match a
    121        wildcard.  The wildcard also means that it
    122        doesn't matter which directory crtbegin.o
    123        is in.  */
    124     KEEP (*crtbegin.o(.ctors))
    125     KEEP (*crtbegin*.o(.ctors))
    126     /* We don't want to include the .ctor section from
    127        the crtend.o file until after the sorted ctors.
    128        The .ctor section from the crtend file contains the
    129        end of ctors marker and it must be last */
    130     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .ctors))
    131     KEEP (*(SORT(.ctors.*)))
    132     KEEP (*(.ctors))
    133   }
    134   .dtors          :
    135   {
    136     KEEP (*crtbegin.o(.dtors))
    137     KEEP (*crtbegin*.o(.dtors))
    138     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .dtors))
    139     KEEP (*(SORT(.dtors.*)))
    140     KEEP (*(.dtors))
    141   }
    142   .jcr            : { KEEP (*(.jcr)) }
    143   .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }
    144   .dynamic        : { *(.dynamic) }
    145   .got            : { *(.got) *(.igot) }
    146   . = DATA_SEGMENT_RELRO_END (SIZEOF (.got.plt) >= 24 ? 24 : 0, .);
    147   .got.plt        : { *(.got.plt)  *(.igot.plt) }
    148   .data           :
    149   {
    150     *(.data .data.* .gnu.linkonce.d.*)
    151     SORT(CONSTRUCTORS)
    152   }
    153   .data1          : { *(.data1) }
    154   _edata = .; PROVIDE (edata = .);
    155   . = .;
    156   __bss_start = .;
    157   .bss            :
    158   {
    159    *(.dynbss)
    160    *(.bss .bss.* .gnu.linkonce.b.*)
    161    *(COMMON)
    162    /* Align here to ensure that the .bss section occupies space up to
    163       _end.  Align after .bss to ensure correct alignment even if the
    164       .bss section disappears because there are no input sections.  */
    165    . = ALIGN(32 / 8);
    166   }
    167   .lbss   :
    168   {
    169     *(.dynlbss)
    170     *(.lbss .lbss.* .gnu.linkonce.lb.*)
    171     *(LARGE_COMMON)
    172   }
    173   . = ALIGN(32 / 8);
    174   .lrodata   ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) :
    175   {
    176     *(.lrodata .lrodata.* .gnu.linkonce.lr.*)
    177   }
    178   .ldata   ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) :
    179   {
    180     *(.ldata .ldata.* .gnu.linkonce.l.*)
    181     . = ALIGN(. != 0 ? 32 / 8 : 1);
    182   }
    183   . = ALIGN(32 / 8);
    184   _end = .;
    185   _bss_end__ = . ; __bss_end__ = . ; __end__ = . ;
    186   PROVIDE (end = .);
    187   . = DATA_SEGMENT_END (.);
    188   /* Stabs debugging sections.  */
    189   .stab          0 : { *(.stab) }
    190   .stabstr       0 : { *(.stabstr) }
    191   .stab.excl     0 : { *(.stab.excl) }
    192   .stab.exclstr  0 : { *(.stab.exclstr) }
    193   .stab.index    0 : { *(.stab.index) }
    194   .stab.indexstr 0 : { *(.stab.indexstr) }
    195   .comment       0 : { *(.comment) }
    196   /* DWARF debug sections.
    197      Symbols in the DWARF debugging sections are relative to the beginning
    198      of the section so we begin them at 0.  */
    199   /* DWARF 1 */
    200   .debug          0 : { *(.debug) }
    201   .line           0 : { *(.line) }
    202   /* GNU DWARF 1 extensions */
    203   .debug_srcinfo  0 : { *(.debug_srcinfo) }
    204   .debug_sfnames  0 : { *(.debug_sfnames) }
    205   /* DWARF 1.1 and DWARF 2 */
    206   .debug_aranges  0 : { *(.debug_aranges) }
    207   .debug_pubnames 0 : { *(.debug_pubnames) }
    208   /* DWARF 2 */
    209   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
    210   .debug_abbrev   0 : { *(.debug_abbrev) }
    211   .debug_line     0 : { *(.debug_line) }
    212   .debug_frame    0 : { *(.debug_frame) }
    213   .debug_str      0 : { *(.debug_str) }
    214   .debug_loc      0 : { *(.debug_loc) }
    215   .debug_macinfo  0 : { *(.debug_macinfo) }
    216   /* SGI/MIPS DWARF 2 extensions */
    217   .debug_weaknames 0 : { *(.debug_weaknames) }
    218   .debug_funcnames 0 : { *(.debug_funcnames) }
    219   .debug_typenames 0 : { *(.debug_typenames) }
    220   .debug_varnames  0 : { *(.debug_varnames) }
    221   /* DWARF 3 */
    222   .debug_pubtypes 0 : { *(.debug_pubtypes) }
    223   .debug_ranges   0 : { *(.debug_ranges) }
    224   /* DWARF Extension.  */
    225   .debug_macro    0 : { *(.debug_macro) }
    226   .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
    227   /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.mdebug.*) }
    228 }
    229