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      1 /* Script for ld --shared: link shared library */
      2 /* Copyright (C) 2014 Free Software Foundation, Inc.
      3    Copying and distribution of this script, with or without modification,
      4    are permitted in any medium without royalty provided the copyright
      5    notice and this notice are preserved.  */
      6 OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm",
      7 	      "elf32-littlearm")
      8 OUTPUT_ARCH(arm)
      9 ENTRY(_start)
     10 SECTIONS
     11 {
     12   /* Read-only sections, merged into text segment: */
     13   . = 0 + SIZEOF_HEADERS;
     14   .note.gnu.build-id : { *(.note.gnu.build-id) }
     15   .hash           : { *(.hash) }
     16   .gnu.hash       : { *(.gnu.hash) }
     17   .dynsym         : { *(.dynsym) }
     18   .dynstr         : { *(.dynstr) }
     19   .gnu.version    : { *(.gnu.version) }
     20   .gnu.version_d  : { *(.gnu.version_d) }
     21   .gnu.version_r  : { *(.gnu.version_r) }
     22   .rel.init       : { *(.rel.init) }
     23   .rela.init      : { *(.rela.init) }
     24   .rel.text       : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
     25   .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
     26   .rel.fini       : { *(.rel.fini) }
     27   .rela.fini      : { *(.rela.fini) }
     28   .rel.rodata     : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
     29   .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
     30   .rel.data.rel.ro   : { *(.rel.data.rel.ro .rel.data.rel.ro.* .rel.gnu.linkonce.d.rel.ro.*) }
     31   .rela.data.rel.ro   : { *(.rela.data.rel.ro .rela.data.rel.ro.* .rela.gnu.linkonce.d.rel.ro.*) }
     32   .rel.data       : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
     33   .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
     34   .rel.tdata	  : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
     35   .rela.tdata	  : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
     36   .rel.tbss	  : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
     37   .rela.tbss	  : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
     38   .rel.ctors      : { *(.rel.ctors) }
     39   .rela.ctors     : { *(.rela.ctors) }
     40   .rel.dtors      : { *(.rel.dtors) }
     41   .rela.dtors     : { *(.rela.dtors) }
     42   .rel.got        : { *(.rel.got) }
     43   .rela.got       : { *(.rela.got) }
     44   .rel.bss        : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
     45   .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
     46   .rel.iplt       :
     47     {
     48       *(.rel.iplt)
     49     }
     50   .rela.iplt      :
     51     {
     52       *(.rela.iplt)
     53     }
     54   .rel.plt        :
     55     {
     56       *(.rel.plt)
     57     }
     58   .rela.plt       :
     59     {
     60       *(.rela.plt)
     61     }
     62   .init           :
     63   {
     64     KEEP (*(SORT_NONE(.init)))
     65   }
     66   .plt            : { *(.plt) }
     67   .iplt           : { *(.iplt) }
     68   .text           :
     69   {
     70     *(.text.unlikely .text.*_unlikely .text.unlikely.*)
     71     *(.text.exit .text.exit.*)
     72     *(.text.startup .text.startup.*)
     73     *(.text.hot .text.hot.*)
     74     *(.text .stub .text.* .gnu.linkonce.t.*)
     75     /* .gnu.warning sections are handled specially by elf32.em.  */
     76     *(.gnu.warning)
     77     *(.glue_7t) *(.glue_7) *(.vfp11_veneer) *(.v4_bx)
     78   }
     79   .fini           :
     80   {
     81     KEEP (*(SORT_NONE(.fini)))
     82   }
     83   PROVIDE (__etext = .);
     84   PROVIDE (_etext = .);
     85   PROVIDE (etext = .);
     86   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
     87   .rodata1        : { *(.rodata1) }
     88   .ARM.extab   : { *(.ARM.extab* .gnu.linkonce.armextab.*) }
     89    PROVIDE_HIDDEN (__exidx_start = .);
     90   .ARM.exidx   : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) }
     91    PROVIDE_HIDDEN (__exidx_end = .);
     92   .eh_frame_hdr : { *(.eh_frame_hdr) }
     93   .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
     94   .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table
     95   .gcc_except_table.*) }
     96   /* These sections are generated by the Sun/Oracle C++ compiler.  */
     97   .exception_ranges   : ONLY_IF_RO { *(.exception_ranges
     98   .exception_ranges*) }
     99   /* Adjust the address for the data segment.  For 32 bits we want to align
    100   at exactly a page boundary to make life easier for apriori. */
    101   . = ALIGN (CONSTANT (MAXPAGESIZE)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
    102   /* Exception handling  */
    103   .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
    104   .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
    105   .exception_ranges   : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) }
    106   /* Thread Local Storage sections  */
    107   .tdata	  : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
    108   .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
    109   /* Ensure the __preinit_array_start label is properly aligned.  We
    110      could instead move the label definition inside the section, but
    111      the linker would then create the section even if it turns out to
    112      be empty, which isn't pretty.  */
    113   . = ALIGN(32 / 8);
    114   .preinit_array     :
    115   {
    116     KEEP (*(.preinit_array))
    117   }
    118   .init_array     :
    119   {
    120     KEEP (*crtbegin*.o(.init_array))
    121     KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
    122     KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .ctors))
    123   }
    124   .fini_array     :
    125   {
    126     KEEP (*crtbegin*.o(.fini_array))
    127     KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
    128     KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .dtors))
    129   }
    130   .ctors          :
    131   {
    132     /* gcc uses crtbegin.o to find the start of
    133        the constructors, so we make sure it is
    134        first.  Because this is a wildcard, it
    135        doesn't matter if the user does not
    136        actually link against crtbegin.o; the
    137        linker won't look for a file to match a
    138        wildcard.  The wildcard also means that it
    139        doesn't matter which directory crtbegin.o
    140        is in.  */
    141     KEEP (*crtbegin.o(.ctors))
    142     KEEP (*crtbegin*.o(.ctors))
    143     /* We don't want to include the .ctor section from
    144        the crtend.o file until after the sorted ctors.
    145        The .ctor section from the crtend file contains the
    146        end of ctors marker and it must be last */
    147     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .ctors))
    148     KEEP (*(SORT(.ctors.*)))
    149     KEEP (*(.ctors))
    150   }
    151   .dtors          :
    152   {
    153     KEEP (*crtbegin.o(.dtors))
    154     KEEP (*crtbegin*.o(.dtors))
    155     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .dtors))
    156     KEEP (*(SORT(.dtors.*)))
    157     KEEP (*(.dtors))
    158   }
    159   .jcr            : { KEEP (*(.jcr)) }
    160   .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }
    161   .dynamic        : { *(.dynamic) }
    162   . = DATA_SEGMENT_RELRO_END (0, .);
    163   .got            : { *(.got.plt) *(.igot.plt) *(.got) *(.igot) }
    164   .data           :
    165   {
    166     PROVIDE (__data_start = .);
    167     *(.data .data.* .gnu.linkonce.d.*)
    168     SORT(CONSTRUCTORS)
    169   }
    170   .data1          : { *(.data1) }
    171   _edata = .; PROVIDE (edata = .);
    172   __bss_start = .;
    173   __bss_start__ = .;
    174   .bss            :
    175   {
    176    *(.dynbss)
    177    *(.bss .bss.* .gnu.linkonce.b.*)
    178    *(COMMON)
    179    /* Align here to ensure that the .bss section occupies space up to
    180       _end.  Align after .bss to ensure correct alignment even if the
    181       .bss section disappears because there are no input sections.  */
    182    . = ALIGN(32 / 8);
    183   }
    184   _bss_end__ = . ; __bss_end__ = . ;
    185   . = ALIGN(32 / 8);
    186   . = SEGMENT_START("ldata-segment", .);
    187   . = ALIGN(32 / 8);
    188   __end__ = . ;
    189   _end = .;
    190   _bss_end__ = . ; __bss_end__ = . ; __end__ = . ;
    191   PROVIDE (end = .);
    192   . = DATA_SEGMENT_END (.);
    193   /* Stabs debugging sections.  */
    194   .stab          0 : { *(.stab) }
    195   .stabstr       0 : { *(.stabstr) }
    196   .stab.excl     0 : { *(.stab.excl) }
    197   .stab.exclstr  0 : { *(.stab.exclstr) }
    198   .stab.index    0 : { *(.stab.index) }
    199   .stab.indexstr 0 : { *(.stab.indexstr) }
    200   .comment       0 : { *(.comment) }
    201   /* DWARF debug sections.
    202      Symbols in the DWARF debugging sections are relative to the beginning
    203      of the section so we begin them at 0.  */
    204   /* DWARF 1 */
    205   .debug          0 : { *(.debug) }
    206   .line           0 : { *(.line) }
    207   /* GNU DWARF 1 extensions */
    208   .debug_srcinfo  0 : { *(.debug_srcinfo) }
    209   .debug_sfnames  0 : { *(.debug_sfnames) }
    210   /* DWARF 1.1 and DWARF 2 */
    211   .debug_aranges  0 : { *(.debug_aranges) }
    212   .debug_pubnames 0 : { *(.debug_pubnames) }
    213   /* DWARF 2 */
    214   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
    215   .debug_abbrev   0 : { *(.debug_abbrev) }
    216   .debug_line     0 : { *(.debug_line .debug_line.* .debug_line_end ) }
    217   .debug_frame    0 : { *(.debug_frame) }
    218   .debug_str      0 : { *(.debug_str) }
    219   .debug_loc      0 : { *(.debug_loc) }
    220   .debug_macinfo  0 : { *(.debug_macinfo) }
    221   /* SGI/MIPS DWARF 2 extensions */
    222   .debug_weaknames 0 : { *(.debug_weaknames) }
    223   .debug_funcnames 0 : { *(.debug_funcnames) }
    224   .debug_typenames 0 : { *(.debug_typenames) }
    225   .debug_varnames  0 : { *(.debug_varnames) }
    226   /* DWARF 3 */
    227   .debug_pubtypes 0 : { *(.debug_pubtypes) }
    228   .debug_ranges   0 : { *(.debug_ranges) }
    229   /* DWARF Extension.  */
    230   .debug_macro    0 : { *(.debug_macro) }
    231   .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
    232   .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
    233   /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.mdebug.*) }
    234 }
    235