Home | History | Annotate | Download | only in ldscripts
      1 /* Script for -N: mix text and data on same page; don't align data */
      2 OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm",
      3 	      "elf32-littlearm")
      4 OUTPUT_ARCH(arm)
      5 ENTRY(_start)
      6 SECTIONS
      7 {
      8   /* Read-only sections, merged into text segment: */
      9   PROVIDE (__executable_start = 0x8000); . = 0x8000;
     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   .rela.init      : { *(.rela.init) }
     21   .rel.text       : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
     22   .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
     23   .rel.fini       : { *(.rel.fini) }
     24   .rela.fini      : { *(.rela.fini) }
     25   .rel.rodata     : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
     26   .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
     27   .rel.data.rel.ro   : { *(.rel.data.rel.ro .rel.data.rel.ro.* .rel.gnu.linkonce.d.rel.ro.*) }
     28   .rela.data.rel.ro   : { *(.rela.data.rel.ro .rela.data.rel.ro.* .rela.gnu.linkonce.d.rel.ro.*) }
     29   .rel.data       : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
     30   .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
     31   .rel.tdata	  : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
     32   .rela.tdata	  : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
     33   .rel.tbss	  : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
     34   .rela.tbss	  : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
     35   .rel.ctors      : { *(.rel.ctors) }
     36   .rela.ctors     : { *(.rela.ctors) }
     37   .rel.dtors      : { *(.rel.dtors) }
     38   .rela.dtors     : { *(.rela.dtors) }
     39   .rel.got        : { *(.rel.got) }
     40   .rela.got       : { *(.rela.got) }
     41   .rel.bss        : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
     42   .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
     43   .rel.iplt       :
     44     {
     45       PROVIDE_HIDDEN (__rel_iplt_start = .);
     46       *(.rel.iplt)
     47       PROVIDE_HIDDEN (__rel_iplt_end = .);
     48     }
     49   .rela.iplt      :
     50     {
     51       PROVIDE_HIDDEN (__rela_iplt_start = .);
     52       *(.rela.iplt)
     53       PROVIDE_HIDDEN (__rela_iplt_end = .);
     54     }
     55   .rel.plt        :
     56     {
     57       *(.rel.plt)
     58     }
     59   .rela.plt       :
     60     {
     61       *(.rela.plt)
     62     }
     63   .init           :
     64   {
     65     KEEP (*(SORT_NONE(.init)))
     66   }
     67   .plt            : { *(.plt) }
     68   .iplt           : { *(.iplt) }
     69   .text           :
     70   {
     71     *(.text.unlikely .text.*_unlikely)
     72     *(.text.exit .text.exit.*)
     73     *(.text.startup .text.startup.*)
     74     *(.text.hot .text.hot.*)
     75     *(.text .stub .text.* .gnu.linkonce.t.*)
     76     /* .gnu.warning sections are handled specially by elf32.em.  */
     77     *(.gnu.warning)
     78     *(.glue_7t) *(.glue_7) *(.vfp11_veneer) *(.v4_bx)
     79   }
     80   .fini           :
     81   {
     82     KEEP (*(SORT_NONE(.fini)))
     83   }
     84   PROVIDE (__etext = .);
     85   PROVIDE (_etext = .);
     86   PROVIDE (etext = .);
     87   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
     88   .rodata1        : { *(.rodata1) }
     89   .ARM.extab   : { *(.ARM.extab* .gnu.linkonce.armextab.*) }
     90    PROVIDE_HIDDEN (__exidx_start = .);
     91   .ARM.exidx   : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) }
     92    PROVIDE_HIDDEN (__exidx_end = .);
     93   .eh_frame_hdr : { *(.eh_frame_hdr) }
     94   .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
     95   .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table
     96   .gcc_except_table.*) }
     97   /* These sections are generated by the Sun/Oracle C++ compiler.  */
     98   .exception_ranges   : ONLY_IF_RO { *(.exception_ranges
     99   .exception_ranges*) }
    100   /* Adjust the address for the data segment.  We want to align at exactly
    101      a page boundary to make life easier for apriori. */
    102   . = .;
    103   /* Exception handling  */
    104   .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
    105   .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
    106   .exception_ranges   : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) }
    107   /* Thread Local Storage sections  */
    108   .tdata	  : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
    109   .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
    110   /* Ensure the __preinit_array_start label is properly aligned.  We
    111      could instead move the label definition inside the section, but
    112      the linker would then create the section even if it turns out to
    113      be empty, which isn't pretty.  */
    114   . = ALIGN(32 / 8);
    115   PROVIDE_HIDDEN (__preinit_array_start = .);
    116   .preinit_array     :
    117   {
    118     KEEP (*(.preinit_array))
    119   }
    120   PROVIDE_HIDDEN (__preinit_array_end = .);
    121   PROVIDE_HIDDEN (__init_array_start = .);
    122   .init_array     :
    123   {
    124     KEEP (*crtbegin*.o(.init_array))
    125     KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
    126     KEEP (*(.init_array))
    127     KEEP (*(EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
    128   }
    129   PROVIDE_HIDDEN (__init_array_end = .);
    130   PROVIDE_HIDDEN (__fini_array_start = .);
    131   .fini_array     :
    132   {
    133     KEEP (*crtbegin*.o(.fini_array))
    134     KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
    135     KEEP (*(.fini_array))
    136     KEEP (*(EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
    137   }
    138   PROVIDE_HIDDEN (__fini_array_end = .);
    139   .ctors          :
    140   {
    141     /* gcc uses crtbegin.o to find the start of
    142        the constructors, so we make sure it is
    143        first.  Because this is a wildcard, it
    144        doesn't matter if the user does not
    145        actually link against crtbegin.o; the
    146        linker won't look for a file to match a
    147        wildcard.  The wildcard also means that it
    148        doesn't matter which directory crtbegin.o
    149        is in.  */
    150     KEEP (*crtbegin.o(.ctors))
    151     KEEP (*crtbegin*.o(.ctors))
    152     /* We don't want to include the .ctor section from
    153        the crtend.o file until after the sorted ctors.
    154        The .ctor section from the crtend file contains the
    155        end of ctors marker and it must be last */
    156     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .ctors))
    157     KEEP (*(SORT(.ctors.*)))
    158     KEEP (*(.ctors))
    159   }
    160   .dtors          :
    161   {
    162     KEEP (*crtbegin.o(.dtors))
    163     KEEP (*crtbegin*.o(.dtors))
    164     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .dtors))
    165     KEEP (*(SORT(.dtors.*)))
    166     KEEP (*(.dtors))
    167   }
    168   .jcr            : { KEEP (*(.jcr)) }
    169   .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }
    170   .dynamic        : { *(.dynamic) }
    171   .got            : { *(.got.plt) *(.igot.plt) *(.got) *(.igot) }
    172   .data           :
    173   {
    174     __data_start = . ;
    175     *(.data .data.* .gnu.linkonce.d.*)
    176     SORT(CONSTRUCTORS)
    177   }
    178   .data1          : { *(.data1) }
    179   _edata = .; PROVIDE (edata = .);
    180   . = .;
    181   __bss_start = .;
    182   __bss_start__ = .;
    183   .bss            :
    184   {
    185    *(.dynbss)
    186    *(.bss .bss.* .gnu.linkonce.b.*)
    187    *(COMMON)
    188    /* Align here to ensure that the .bss section occupies space up to
    189       _end.  Align after .bss to ensure correct alignment even if the
    190       .bss section disappears because there are no input sections.  */
    191    . = ALIGN(32 / 8);
    192   }
    193   _bss_end__ = . ; __bss_end__ = . ;
    194   . = ALIGN(32 / 8);
    195   . = ALIGN(32 / 8);
    196   __end__ = . ;
    197   _end = .;
    198   _bss_end__ = . ; __bss_end__ = . ; __end__ = . ;
    199   PROVIDE (end = .);
    200   /* Stabs debugging sections.  */
    201   .stab          0 : { *(.stab) }
    202   .stabstr       0 : { *(.stabstr) }
    203   .stab.excl     0 : { *(.stab.excl) }
    204   .stab.exclstr  0 : { *(.stab.exclstr) }
    205   .stab.index    0 : { *(.stab.index) }
    206   .stab.indexstr 0 : { *(.stab.indexstr) }
    207   .comment       0 : { *(.comment) }
    208   /* DWARF debug sections.
    209      Symbols in the DWARF debugging sections are relative to the beginning
    210      of the section so we begin them at 0.  */
    211   /* DWARF 1 */
    212   .debug          0 : { *(.debug) }
    213   .line           0 : { *(.line) }
    214   /* GNU DWARF 1 extensions */
    215   .debug_srcinfo  0 : { *(.debug_srcinfo) }
    216   .debug_sfnames  0 : { *(.debug_sfnames) }
    217   /* DWARF 1.1 and DWARF 2 */
    218   .debug_aranges  0 : { *(.debug_aranges) }
    219   .debug_pubnames 0 : { *(.debug_pubnames) }
    220   /* DWARF 2 */
    221   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
    222   .debug_abbrev   0 : { *(.debug_abbrev) }
    223   .debug_line     0 : { *(.debug_line) }
    224   .debug_frame    0 : { *(.debug_frame) }
    225   .debug_str      0 : { *(.debug_str) }
    226   .debug_loc      0 : { *(.debug_loc) }
    227   .debug_macinfo  0 : { *(.debug_macinfo) }
    228   /* SGI/MIPS DWARF 2 extensions */
    229   .debug_weaknames 0 : { *(.debug_weaknames) }
    230   .debug_funcnames 0 : { *(.debug_funcnames) }
    231   .debug_typenames 0 : { *(.debug_typenames) }
    232   .debug_varnames  0 : { *(.debug_varnames) }
    233   /* DWARF 3 */
    234   .debug_pubtypes 0 : { *(.debug_pubtypes) }
    235   .debug_ranges   0 : { *(.debug_ranges) }
    236   /* DWARF Extension.  */
    237   .debug_macro    0 : { *(.debug_macro) }
    238     .stack         0x80000 :
    239   {
    240     _stack = .;
    241     *(.stack)
    242   }
    243   .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) 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