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      1 /* Default linker script, for normal executables */
      2 /* Modified for Android.  */
      3 /* Copyright (C) 2014 Free Software Foundation, Inc.
      4    Copying and distribution of this script, with or without modification,
      5    are permitted in any medium without royalty provided the copyright
      6    notice and this notice are preserved.  */
      7 OUTPUT_FORMAT("elf32-bigaarch64", "elf32-bigaarch64",
      8 	      "elf32-littleaarch64")
      9 OUTPUT_ARCH(aarch64:ilp32)
     10 ENTRY(_start)
     11 SECTIONS
     12 {
     13   /* Read-only sections, merged into text segment: */
     14   PROVIDE (__executable_start = 0x00400000); . = 0x00400000;
     15   .interp         : { *(.interp) }
     16   .note.gnu.build-id : { *(.note.gnu.build-id) }
     17   .hash           : { *(.hash) }
     18   .gnu.hash       : { *(.gnu.hash) }
     19   .dynsym         : { *(.dynsym) }
     20   .dynstr         : { *(.dynstr) }
     21   .gnu.version    : { *(.gnu.version) }
     22   .gnu.version_d  : { *(.gnu.version_d) }
     23   .gnu.version_r  : { *(.gnu.version_r) }
     24   .rela.init      : { *(.rela.init) }
     25   .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
     26   .rela.fini      : { *(.rela.fini) }
     27   .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
     28   .rela.data.rel.ro   : { *(.rela.data.rel.ro .rela.data.rel.ro.* .rela.gnu.linkonce.d.rel.ro.*) }
     29   .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
     30   .rela.tdata	  : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
     31   .rela.tbss	  : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
     32   .rela.ctors     : { *(.rela.ctors) }
     33   .rela.dtors     : { *(.rela.dtors) }
     34   .rela.got       : { *(.rela.got) }
     35   .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
     36   .rela.ifunc     : { *(.rela.ifunc) }
     37   .rela.plt       :
     38     {
     39       *(.rela.plt)
     40       PROVIDE_HIDDEN (__rela_iplt_start = .);
     41       *(.rela.iplt)
     42       PROVIDE_HIDDEN (__rela_iplt_end = .);
     43     }
     44   .init           :
     45   {
     46     KEEP (*(SORT_NONE(.init)))
     47   } =0
     48   .plt            : { *(.plt) *(.iplt) }
     49   .text           :
     50   {
     51     *(.text.unlikely .text.*_unlikely .text.unlikely.*)
     52     *(.text.exit .text.exit.*)
     53     *(.text.startup .text.startup.*)
     54     *(.text.hot .text.hot.*)
     55     *(.text .stub .text.* .gnu.linkonce.t.*)
     56     /* .gnu.warning sections are handled specially by elf32.em.  */
     57     *(.gnu.warning)
     58   } =0
     59   .fini           :
     60   {
     61     KEEP (*(SORT_NONE(.fini)))
     62   } =0
     63   PROVIDE (__etext = .);
     64   PROVIDE (_etext = .);
     65   PROVIDE (etext = .);
     66   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
     67   .rodata1        : { *(.rodata1) }
     68   .eh_frame_hdr : { *(.eh_frame_hdr) }
     69   .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
     70   .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table
     71   .gcc_except_table.*) }
     72   /* These sections are generated by the Sun/Oracle C++ compiler.  */
     73   .exception_ranges   : ONLY_IF_RO { *(.exception_ranges
     74   .exception_ranges*) }
     75   /* Adjust the address for the data segment.  For 32 bits we want to align
     76   at exactly a page boundary to make life easier for apriori. */
     77   . = ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1));
     78   /* Exception handling  */
     79   .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
     80   .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
     81   .exception_ranges   : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) }
     82   /* Thread Local Storage sections  */
     83   .tdata	  : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
     84   .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
     85   /* Ensure the __preinit_array_start label is properly aligned.  We
     86      could instead move the label definition inside the section, but
     87      the linker would then create the section even if it turns out to
     88      be empty, which isn't pretty.  */
     89   . = ALIGN(32 / 8);
     90   PROVIDE_HIDDEN (__preinit_array_start = .);
     91   .preinit_array     :
     92   {
     93     KEEP (*(.preinit_array))
     94   }
     95   PROVIDE_HIDDEN (__preinit_array_end = .);
     96   PROVIDE_HIDDEN (__init_array_start = .);
     97   .init_array     :
     98   {
     99     KEEP (*crtbegin*.o(.init_array))
    100     KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
    101     KEEP (*(.init_array 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 EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .dtors))
    110   }
    111   PROVIDE_HIDDEN (__fini_array_end = .);
    112   .ctors          :
    113   {
    114     /* gcc uses crtbegin.o to find the start of
    115        the constructors, so we make sure it is
    116        first.  Because this is a wildcard, it
    117        doesn't matter if the user does not
    118        actually link against crtbegin.o; the
    119        linker won't look for a file to match a
    120        wildcard.  The wildcard also means that it
    121        doesn't matter which directory crtbegin.o
    122        is in.  */
    123     KEEP (*crtbegin.o(.ctors))
    124     KEEP (*crtbegin*.o(.ctors))
    125     /* We don't want to include the .ctor section from
    126        the crtend.o file until after the sorted ctors.
    127        The .ctor section from the crtend file contains the
    128        end of ctors marker and it must be last */
    129     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .ctors))
    130     KEEP (*(SORT(.ctors.*)))
    131     KEEP (*(.ctors))
    132   }
    133   .dtors          :
    134   {
    135     KEEP (*crtbegin.o(.dtors))
    136     KEEP (*crtbegin*.o(.dtors))
    137     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .dtors))
    138     KEEP (*(SORT(.dtors.*)))
    139     KEEP (*(.dtors))
    140   }
    141   .jcr            : { KEEP (*(.jcr)) }
    142   .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }
    143   .dynamic        : { *(.dynamic) }
    144   .got            : { *(.got) *(.igot) }
    145   .got.plt        : { *(.got.plt)  *(.igot.plt) }
    146   .data           :
    147   {
    148     __data_start = . ;
    149     *(.data .data.* .gnu.linkonce.d.*)
    150     SORT(CONSTRUCTORS)
    151   }
    152   .data1          : { *(.data1) }
    153   _edata = .; PROVIDE (edata = .);
    154   __bss_start = .;
    155   __bss_start__ = .;
    156   .bss            :
    157   {
    158    *(.dynbss)
    159    *(.bss .bss.* .gnu.linkonce.b.*)
    160    *(COMMON)
    161    /* Align here to ensure that the .bss section occupies space up to
    162       _end.  Align after .bss to ensure correct alignment even if the
    163       .bss section disappears because there are no input sections.  */
    164    . = ALIGN(32 / 8);
    165   }
    166   _bss_end__ = . ; __bss_end__ = . ;
    167   . = ALIGN(32 / 8);
    168   . = SEGMENT_START("ldata-segment", .);
    169   . = ALIGN(32 / 8);
    170   __end__ = . ;
    171   _end = .;
    172   _bss_end__ = . ; __bss_end__ = . ; __end__ = . ;
    173   PROVIDE (end = .);
    174   /* Stabs debugging sections.  */
    175   .stab          0 : { *(.stab) }
    176   .stabstr       0 : { *(.stabstr) }
    177   .stab.excl     0 : { *(.stab.excl) }
    178   .stab.exclstr  0 : { *(.stab.exclstr) }
    179   .stab.index    0 : { *(.stab.index) }
    180   .stab.indexstr 0 : { *(.stab.indexstr) }
    181   .comment       0 : { *(.comment) }
    182   /* DWARF debug sections.
    183      Symbols in the DWARF debugging sections are relative to the beginning
    184      of the section so we begin them at 0.  */
    185   /* DWARF 1 */
    186   .debug          0 : { *(.debug) }
    187   .line           0 : { *(.line) }
    188   /* GNU DWARF 1 extensions */
    189   .debug_srcinfo  0 : { *(.debug_srcinfo) }
    190   .debug_sfnames  0 : { *(.debug_sfnames) }
    191   /* DWARF 1.1 and DWARF 2 */
    192   .debug_aranges  0 : { *(.debug_aranges) }
    193   .debug_pubnames 0 : { *(.debug_pubnames) }
    194   /* DWARF 2 */
    195   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
    196   .debug_abbrev   0 : { *(.debug_abbrev) }
    197   .debug_line     0 : { *(.debug_line .debug_line.* .debug_line_end ) }
    198   .debug_frame    0 : { *(.debug_frame) }
    199   .debug_str      0 : { *(.debug_str) }
    200   .debug_loc      0 : { *(.debug_loc) }
    201   .debug_macinfo  0 : { *(.debug_macinfo) }
    202   /* SGI/MIPS DWARF 2 extensions */
    203   .debug_weaknames 0 : { *(.debug_weaknames) }
    204   .debug_funcnames 0 : { *(.debug_funcnames) }
    205   .debug_typenames 0 : { *(.debug_typenames) }
    206   .debug_varnames  0 : { *(.debug_varnames) }
    207   /* DWARF 3 */
    208   .debug_pubtypes 0 : { *(.debug_pubtypes) }
    209   .debug_ranges   0 : { *(.debug_ranges) }
    210   /* DWARF Extension.  */
    211   .debug_macro    0 : { *(.debug_macro) }
    212     .stack         0x80000 :
    213   {
    214     _stack = .;
    215     *(.stack)
    216   }
    217   .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) }
    218   .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
    219   /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.mdebug.*) }
    220 }
    221