Home | History | Annotate | Download | only in ldscripts
      1 /* Script for -pie -z combreloc: position independent executable, combine & sort relocs */
      2 OUTPUT_FORMAT("elf32-ntradlittlemips", "elf32-ntradbigmips",
      3 	      "elf32-ntradlittlemips")
      4 OUTPUT_ARCH(mips)
      5 ENTRY(__start)
      6 SECTIONS
      7 {
      8   /* Read-only sections, merged into text segment: */
      9   PROVIDE (__executable_start = 0); . = 0 + SIZEOF_HEADERS;
     10   .interp         : { *(.interp) }
     11   .reginfo        : { *(.reginfo) }
     12   .note.gnu.build-id : { *(.note.gnu.build-id) }
     13   .dynamic        : { *(.dynamic) }
     14   .hash           : { *(.hash) }
     15   .gnu.hash       : { *(.gnu.hash) }
     16   .dynsym         : { *(.dynsym) }
     17   .dynstr         : { *(.dynstr) }
     18   .gnu.version    : { *(.gnu.version) }
     19   .gnu.version_d  : { *(.gnu.version_d) }
     20   .gnu.version_r  : { *(.gnu.version_r) }
     21   .rel.dyn        :
     22     {
     23       *(.rel.init)
     24       *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*)
     25       *(.rel.fini)
     26       *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*)
     27       *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*)
     28       *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*)
     29       *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*)
     30       *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*)
     31       *(.rel.ctors)
     32       *(.rel.dtors)
     33       *(.rel.got)
     34       *(.rel.dyn)
     35       *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*)
     36       *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*)
     37       *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*)
     38       *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*)
     39       *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*)
     40       PROVIDE_HIDDEN (__rel_iplt_start = .);
     41       *(.rel.iplt)
     42       PROVIDE_HIDDEN (__rel_iplt_end = .);
     43       PROVIDE_HIDDEN (__rela_iplt_start = .);
     44       PROVIDE_HIDDEN (__rela_iplt_end = .);
     45     }
     46   .rela.dyn       :
     47     {
     48       *(.rela.init)
     49       *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
     50       *(.rela.fini)
     51       *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
     52       *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
     53       *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
     54       *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
     55       *(.rela.ctors)
     56       *(.rela.dtors)
     57       *(.rela.got)
     58       *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*)
     59       *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*)
     60       *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*)
     61       *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*)
     62       *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
     63       PROVIDE_HIDDEN (__rel_iplt_start = .);
     64       PROVIDE_HIDDEN (__rel_iplt_end = .);
     65       PROVIDE_HIDDEN (__rela_iplt_start = .);
     66       *(.rela.iplt)
     67       PROVIDE_HIDDEN (__rela_iplt_end = .);
     68     }
     69   .rel.plt        :
     70     {
     71       *(.rel.plt)
     72     }
     73   .rela.plt       :
     74     {
     75       *(.rela.plt)
     76     }
     77   .init           :
     78   {
     79     KEEP (*(.init))
     80   } =0
     81   .plt            : { *(.plt) }
     82   .iplt           : { *(.iplt) }
     83   .text           :
     84   {
     85     _ftext = . ;
     86     *(.text.unlikely .text.*_unlikely)
     87     *(.text.exit .text.exit.*)
     88     *(.text.startup .text.startup.*)
     89     *(.text.hot .text.hot.*)
     90     *(.text .stub .text.* .gnu.linkonce.t.*)
     91     /* .gnu.warning sections are handled specially by elf32.em.  */
     92     *(.gnu.warning)
     93     *(.mips16.fn.*) *(.mips16.call.*)
     94   } =0
     95   .fini           :
     96   {
     97     KEEP (*(.fini))
     98   } =0
     99   PROVIDE (__etext = .);
    100   PROVIDE (_etext = .);
    101   PROVIDE (etext = .);
    102   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
    103   .rodata1        : { *(.rodata1) }
    104   .sdata2         :
    105   {
    106     *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
    107   }
    108   .sbss2          : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) }
    109   .eh_frame_hdr : { *(.eh_frame_hdr) }
    110   .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
    111   .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
    112   /* Adjust the address for the data segment.  We want to align at exactly
    113      a page boundary to make life easier for apriori. */
    114   . = ALIGN (CONSTANT (MAXPAGESIZE)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
    115   /* Exception handling  */
    116   .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
    117   .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
    118   /* Thread Local Storage sections  */
    119   .tdata	  : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
    120   .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
    121   /* Ensure the __preinit_array_start label is properly aligned.  We
    122      could instead move the label definition inside the section, but
    123      the linker would then create the section even if it turns out to
    124      be empty, which isn't pretty.  */
    125   . = ALIGN(32 / 8);
    126   PROVIDE_HIDDEN (__preinit_array_start = .);
    127   .preinit_array     :
    128   {
    129     KEEP (*(.preinit_array))
    130   }
    131   PROVIDE_HIDDEN (__preinit_array_end = .);
    132   PROVIDE_HIDDEN (__init_array_start = .);
    133   .init_array     :
    134   {
    135     KEEP (*crtbegin*.o(.init_array))
    136     KEEP (*(SORT(.init_array.*)))
    137     KEEP (*(.init_array))
    138   }
    139   PROVIDE_HIDDEN (__init_array_end = .);
    140   PROVIDE_HIDDEN (__fini_array_start = .);
    141   .fini_array     :
    142   {
    143     KEEP (*crtbegin*.o(.fini_array))
    144     KEEP (*(SORT(.fini_array.*)))
    145     KEEP (*(.fini_array))
    146   }
    147   PROVIDE_HIDDEN (__fini_array_end = .);
    148   .ctors          :
    149   {
    150     /* gcc uses crtbegin.o to find the start of
    151        the constructors, so we make sure it is
    152        first.  Because this is a wildcard, it
    153        doesn't matter if the user does not
    154        actually link against crtbegin.o; the
    155        linker won't look for a file to match a
    156        wildcard.  The wildcard also means that it
    157        doesn't matter which directory crtbegin.o
    158        is in.  */
    159     KEEP (*crtbegin.o(.ctors))
    160     KEEP (*crtbegin*.o(.ctors))
    161     /* We don't want to include the .ctor section from
    162        the crtend.o file until after the sorted ctors.
    163        The .ctor section from the crtend file contains the
    164        end of ctors marker and it must be last */
    165     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .ctors))
    166     KEEP (*(SORT(.ctors.*)))
    167     KEEP (*(.ctors))
    168   }
    169   .dtors          :
    170   {
    171     KEEP (*crtbegin.o(.dtors))
    172     KEEP (*crtbegin*.o(.dtors))
    173     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .dtors))
    174     KEEP (*(SORT(.dtors.*)))
    175     KEEP (*(.dtors))
    176   }
    177   .jcr            : { KEEP (*(.jcr)) }
    178   .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
    179   . = DATA_SEGMENT_RELRO_END (0, .);
    180   .data           :
    181   {
    182     _fdata = . ;
    183     *(.data .data.* .gnu.linkonce.d.*)
    184     SORT(CONSTRUCTORS)
    185   }
    186   .data1          : { *(.data1) }
    187   .got.plt        : { *(.got.plt) }
    188   . = .;
    189   _gp = ALIGN(16) + 0x7ff0;
    190   .got            : { *(.got) }
    191   /* We want the small data sections together, so single-instruction offsets
    192      can access them all, and initialized data all before uninitialized, so
    193      we can shorten the on-disk segment size.  */
    194   .sdata          :
    195   {
    196     *(.sdata .sdata.* .gnu.linkonce.s.*)
    197   }
    198   .lit8           : { *(.lit8) }
    199   .lit4           : { *(.lit4) }
    200   .srdata         : { *(.srdata) }
    201   _edata = .; PROVIDE (edata = .);
    202   __bss_start = .;
    203   _fbss = .;
    204   .sbss           :
    205   {
    206     *(.dynsbss)
    207     *(.sbss .sbss.* .gnu.linkonce.sb.*)
    208     *(.scommon)
    209   }
    210   .bss            :
    211   {
    212    *(.dynbss)
    213    *(.bss .bss.* .gnu.linkonce.b.*)
    214    *(COMMON)
    215    /* Align here to ensure that the .bss section occupies space up to
    216       _end.  Align after .bss to ensure correct alignment even if the
    217       .bss section disappears because there are no input sections.  */
    218    . = ALIGN(32 / 8);
    219   }
    220   . = ALIGN(32 / 8);
    221   . = ALIGN(32 / 8);
    222   _end = .;
    223   _bss_end__ = . ; __bss_end__ = . ; __end__ = . ;
    224   PROVIDE (end = .);
    225   . = DATA_SEGMENT_END (.);
    226   /* Stabs debugging sections.  */
    227   .stab          0 : { *(.stab) }
    228   .stabstr       0 : { *(.stabstr) }
    229   .stab.excl     0 : { *(.stab.excl) }
    230   .stab.exclstr  0 : { *(.stab.exclstr) }
    231   .stab.index    0 : { *(.stab.index) }
    232   .stab.indexstr 0 : { *(.stab.indexstr) }
    233   .comment       0 : { *(.comment) }
    234   /* DWARF debug sections.
    235      Symbols in the DWARF debugging sections are relative to the beginning
    236      of the section so we begin them at 0.  */
    237   /* DWARF 1 */
    238   .debug          0 : { *(.debug) }
    239   .line           0 : { *(.line) }
    240   /* GNU DWARF 1 extensions */
    241   .debug_srcinfo  0 : { *(.debug_srcinfo .zdebug_srcinfo) }
    242   .debug_sfnames  0 : { *(.debug_sfnames .zdebug_sfnames) }
    243   /* DWARF 1.1 and DWARF 2 */
    244   .debug_aranges  0 : { *(.debug_aranges .zdebug_aranges) }
    245   .debug_pubnames 0 : { *(.debug_pubnames .zdebug_pubnames) }
    246   /* DWARF 2 */
    247   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.* .zdebug_info) }
    248   .debug_abbrev   0 : { *(.debug_abbrev .zdebug_abbrev) }
    249   .debug_line     0 : { *(.debug_line .zdebug_line) }
    250   .debug_frame    0 : { *(.debug_frame .zdebug_frame) }
    251   .debug_str      0 : { *(.debug_str .zdebug_str) }
    252   .debug_loc      0 : { *(.debug_loc .zdebug_loc) }
    253   .debug_macinfo  0 : { *(.debug_macinfo .zdebug_macinfo) }
    254   /* SGI/MIPS DWARF 2 extensions */
    255   .debug_weaknames 0 : { *(.debug_weaknames .zdebug_weaknames) }
    256   .debug_funcnames 0 : { *(.debug_funcnames .zdebug_funcnames) }
    257   .debug_typenames 0 : { *(.debug_typenames .zdebug_typenames) }
    258   .debug_varnames  0 : { *(.debug_varnames .zdebug_varnames) }
    259   /* DWARF 3 */
    260   .debug_pubtypes 0 : { *(.debug_pubtypes .zdebug_pubtypes) }
    261   .debug_ranges   0 : { *(.debug_ranges .zdebug_ranges) }
    262   .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
    263   .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
    264   .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
    265   /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.mdebug.*) }
    266 }
    267