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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-littlearm", "elf32-bigarm",
      8 	      "elf32-littlearm")
      9 OUTPUT_ARCH(arm)
     10 ENTRY(_start)
     11 SECTIONS
     12 {
     13   /* Read-only sections, merged into text segment: */
     14   PROVIDE (__executable_start = 0x00010000); . = 0x00010000 + SIZEOF_HEADERS;
     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   .rel.init       : { *(.rel.init) }
     25   .rela.init      : { *(.rela.init) }
     26   .rel.text       : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
     27   .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
     28   .rel.fini       : { *(.rel.fini) }
     29   .rela.fini      : { *(.rela.fini) }
     30   .rel.rodata     : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
     31   .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
     32   .rel.data.rel.ro   : { *(.rel.data.rel.ro .rel.data.rel.ro.* .rel.gnu.linkonce.d.rel.ro.*) }
     33   .rela.data.rel.ro   : { *(.rela.data.rel.ro .rela.data.rel.ro.* .rela.gnu.linkonce.d.rel.ro.*) }
     34   .rel.data       : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
     35   .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
     36   .rel.tdata	  : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
     37   .rela.tdata	  : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
     38   .rel.tbss	  : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
     39   .rela.tbss	  : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
     40   .rel.ctors      : { *(.rel.ctors) }
     41   .rela.ctors     : { *(.rela.ctors) }
     42   .rel.dtors      : { *(.rel.dtors) }
     43   .rela.dtors     : { *(.rela.dtors) }
     44   .rel.got        : { *(.rel.got) }
     45   .rela.got       : { *(.rela.got) }
     46   .rel.bss        : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
     47   .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
     48   .rel.iplt       :
     49     {
     50       PROVIDE_HIDDEN (__rel_iplt_start = .);
     51       *(.rel.iplt)
     52       PROVIDE_HIDDEN (__rel_iplt_end = .);
     53     }
     54   .rela.iplt      :
     55     {
     56       PROVIDE_HIDDEN (__rela_iplt_start = .);
     57       *(.rela.iplt)
     58       PROVIDE_HIDDEN (__rela_iplt_end = .);
     59     }
     60   .rel.plt        :
     61     {
     62       *(.rel.plt)
     63     }
     64   .rela.plt       :
     65     {
     66       *(.rela.plt)
     67     }
     68   .init           :
     69   {
     70     KEEP (*(SORT_NONE(.init)))
     71   }
     72   .plt            : { *(.plt) }
     73   .iplt           : { *(.iplt) }
     74   .text           :
     75   {
     76     *(.text.unlikely .text.*_unlikely .text.unlikely.*)
     77     *(.text.exit .text.exit.*)
     78     *(.text.startup .text.startup.*)
     79     *(.text.hot .text.hot.*)
     80     *(.text .stub .text.* .gnu.linkonce.t.*)
     81     /* .gnu.warning sections are handled specially by elf32.em.  */
     82     *(.gnu.warning)
     83     *(.glue_7t) *(.glue_7) *(.vfp11_veneer) *(.v4_bx)
     84   }
     85   .fini           :
     86   {
     87     KEEP (*(SORT_NONE(.fini)))
     88   }
     89   PROVIDE (__etext = .);
     90   PROVIDE (_etext = .);
     91   PROVIDE (etext = .);
     92   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
     93   .rodata1        : { *(.rodata1) }
     94   .ARM.extab   : { *(.ARM.extab* .gnu.linkonce.armextab.*) }
     95    PROVIDE_HIDDEN (__exidx_start = .);
     96   .ARM.exidx   : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) }
     97    PROVIDE_HIDDEN (__exidx_end = .);
     98   .eh_frame_hdr : { *(.eh_frame_hdr) }
     99   .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
    100   .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table
    101   .gcc_except_table.*) }
    102   /* These sections are generated by the Sun/Oracle C++ compiler.  */
    103   .exception_ranges   : ONLY_IF_RO { *(.exception_ranges
    104   .exception_ranges*) }
    105   /* Adjust the address for the data segment.  For 32 bits we want to align
    106   at exactly a page boundary to make life easier for apriori. */
    107   . = ALIGN (CONSTANT (MAXPAGESIZE)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
    108   /* Exception handling  */
    109   .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
    110   .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
    111   .exception_ranges   : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) }
    112   /* Thread Local Storage sections  */
    113   .tdata	  : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
    114   .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
    115   /* Ensure the __preinit_array_start label is properly aligned.  We
    116      could instead move the label definition inside the section, but
    117      the linker would then create the section even if it turns out to
    118      be empty, which isn't pretty.  */
    119   . = ALIGN(32 / 8);
    120   PROVIDE_HIDDEN (__preinit_array_start = .);
    121   .preinit_array     :
    122   {
    123     KEEP (*(.preinit_array))
    124   }
    125   PROVIDE_HIDDEN (__preinit_array_end = .);
    126   PROVIDE_HIDDEN (__init_array_start = .);
    127   .init_array     :
    128   {
    129     KEEP (*crtbegin*.o(.init_array))
    130     KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
    131     KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .ctors))
    132   }
    133   PROVIDE_HIDDEN (__init_array_end = .);
    134   PROVIDE_HIDDEN (__fini_array_start = .);
    135   .fini_array     :
    136   {
    137     KEEP (*crtbegin*.o(.fini_array))
    138     KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
    139     KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .dtors))
    140   }
    141   PROVIDE_HIDDEN (__fini_array_end = .);
    142   .ctors          :
    143   {
    144     /* gcc uses crtbegin.o to find the start of
    145        the constructors, so we make sure it is
    146        first.  Because this is a wildcard, it
    147        doesn't matter if the user does not
    148        actually link against crtbegin.o; the
    149        linker won't look for a file to match a
    150        wildcard.  The wildcard also means that it
    151        doesn't matter which directory crtbegin.o
    152        is in.  */
    153     KEEP (*crtbegin.o(.ctors))
    154     KEEP (*crtbegin*.o(.ctors))
    155     /* We don't want to include the .ctor section from
    156        the crtend.o file until after the sorted ctors.
    157        The .ctor section from the crtend file contains the
    158        end of ctors marker and it must be last */
    159     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .ctors))
    160     KEEP (*(SORT(.ctors.*)))
    161     KEEP (*(.ctors))
    162   }
    163   .dtors          :
    164   {
    165     KEEP (*crtbegin.o(.dtors))
    166     KEEP (*crtbegin*.o(.dtors))
    167     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .dtors))
    168     KEEP (*(SORT(.dtors.*)))
    169     KEEP (*(.dtors))
    170   }
    171   .jcr            : { KEEP (*(.jcr)) }
    172   .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }
    173   .dynamic        : { *(.dynamic) }
    174   . = DATA_SEGMENT_RELRO_END (0, .);
    175   .got            : { *(.got.plt) *(.igot.plt) *(.got) *(.igot) }
    176   .data           :
    177   {
    178     PROVIDE (__data_start = .);
    179     *(.data .data.* .gnu.linkonce.d.*)
    180     SORT(CONSTRUCTORS)
    181   }
    182   .data1          : { *(.data1) }
    183   _edata = .; PROVIDE (edata = .);
    184   __bss_start = .;
    185   __bss_start__ = .;
    186   .bss            :
    187   {
    188    *(.dynbss)
    189    *(.bss .bss.* .gnu.linkonce.b.*)
    190    *(COMMON)
    191    /* Align here to ensure that the .bss section occupies space up to
    192       _end.  Align after .bss to ensure correct alignment even if the
    193       .bss section disappears because there are no input sections.  */
    194    . = ALIGN(32 / 8);
    195   }
    196   _bss_end__ = . ; __bss_end__ = . ;
    197   . = ALIGN(32 / 8);
    198   . = SEGMENT_START("ldata-segment", .);
    199   . = ALIGN(32 / 8);
    200   __end__ = . ;
    201   _end = .;
    202   _bss_end__ = . ; __bss_end__ = . ; __end__ = . ;
    203   PROVIDE (end = .);
    204   . = DATA_SEGMENT_END (.);
    205   /* Stabs debugging sections.  */
    206   .stab          0 : { *(.stab) }
    207   .stabstr       0 : { *(.stabstr) }
    208   .stab.excl     0 : { *(.stab.excl) }
    209   .stab.exclstr  0 : { *(.stab.exclstr) }
    210   .stab.index    0 : { *(.stab.index) }
    211   .stab.indexstr 0 : { *(.stab.indexstr) }
    212   .comment       0 : { *(.comment) }
    213   /* DWARF debug sections.
    214      Symbols in the DWARF debugging sections are relative to the beginning
    215      of the section so we begin them at 0.  */
    216   /* DWARF 1 */
    217   .debug          0 : { *(.debug) }
    218   .line           0 : { *(.line) }
    219   /* GNU DWARF 1 extensions */
    220   .debug_srcinfo  0 : { *(.debug_srcinfo) }
    221   .debug_sfnames  0 : { *(.debug_sfnames) }
    222   /* DWARF 1.1 and DWARF 2 */
    223   .debug_aranges  0 : { *(.debug_aranges) }
    224   .debug_pubnames 0 : { *(.debug_pubnames) }
    225   /* DWARF 2 */
    226   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
    227   .debug_abbrev   0 : { *(.debug_abbrev) }
    228   .debug_line     0 : { *(.debug_line .debug_line.* .debug_line_end ) }
    229   .debug_frame    0 : { *(.debug_frame) }
    230   .debug_str      0 : { *(.debug_str) }
    231   .debug_loc      0 : { *(.debug_loc) }
    232   .debug_macinfo  0 : { *(.debug_macinfo) }
    233   /* SGI/MIPS DWARF 2 extensions */
    234   .debug_weaknames 0 : { *(.debug_weaknames) }
    235   .debug_funcnames 0 : { *(.debug_funcnames) }
    236   .debug_typenames 0 : { *(.debug_typenames) }
    237   .debug_varnames  0 : { *(.debug_varnames) }
    238   /* DWARF 3 */
    239   .debug_pubtypes 0 : { *(.debug_pubtypes) }
    240   .debug_ranges   0 : { *(.debug_ranges) }
    241   /* DWARF Extension.  */
    242   .debug_macro    0 : { *(.debug_macro) }
    243   .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
    244   .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
    245   /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.mdebug.*) }
    246 }
    247