Home | History | Annotate | Download | only in ldscripts
      1 /* Script for -pie -z combreloc: position independent executable, combine & sort relocs */
      2 OUTPUT_FORMAT("elf64-tradlittlemips", "elf64-tradbigmips",
      3 	      "elf64-tradlittlemips")
      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   .MIPS.options : { *(.MIPS.options) }
     11   .note.gnu.build-id : { *(.note.gnu.build-id) }
     12   .dynamic        : { *(.dynamic) }
     13   .hash           : { *(.hash) }
     14   .gnu.hash       : { *(.gnu.hash) }
     15   .dynsym         : { *(.dynsym) }
     16   .dynstr         : { *(.dynstr) }
     17   .gnu.version    : { *(.gnu.version) }
     18   .gnu.version_d  : { *(.gnu.version_d) }
     19   .gnu.version_r  : { *(.gnu.version_r) }
     20   .rel.dyn        :
     21     {
     22       *(.rel.init)
     23       *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*)
     24       *(.rel.fini)
     25       *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*)
     26       *(.rel.data.rel.ro .rel.data.rel.ro.* .rel.gnu.linkonce.d.rel.ro.*)
     27       *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*)
     28       *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*)
     29       *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*)
     30       *(.rel.ctors)
     31       *(.rel.dtors)
     32       *(.rel.got)
     33       *(.rel.dyn)
     34       *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*)
     35       *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*)
     36       *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*)
     37       *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*)
     38       *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*)
     39       PROVIDE_HIDDEN (__rel_iplt_start = .);
     40       *(.rel.iplt)
     41       PROVIDE_HIDDEN (__rel_iplt_end = .);
     42       PROVIDE_HIDDEN (__rela_iplt_start = .);
     43       PROVIDE_HIDDEN (__rela_iplt_end = .);
     44     }
     45   .rela.dyn       :
     46     {
     47       *(.rela.init)
     48       *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
     49       *(.rela.fini)
     50       *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
     51       *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
     52       *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
     53       *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
     54       *(.rela.ctors)
     55       *(.rela.dtors)
     56       *(.rela.got)
     57       *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*)
     58       *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*)
     59       *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*)
     60       *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*)
     61       *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
     62       PROVIDE_HIDDEN (__rel_iplt_start = .);
     63       PROVIDE_HIDDEN (__rel_iplt_end = .);
     64       PROVIDE_HIDDEN (__rela_iplt_start = .);
     65       *(.rela.iplt)
     66       PROVIDE_HIDDEN (__rela_iplt_end = .);
     67     }
     68   .rel.plt        :
     69     {
     70       *(.rel.plt)
     71     }
     72   .rela.plt       :
     73     {
     74       *(.rela.plt)
     75     }
     76   .init           :
     77   {
     78     KEEP (*(SORT_NONE(.init)))
     79   }
     80   .plt            : { *(.plt) }
     81   .iplt           : { *(.iplt) }
     82   .text           :
     83   {
     84     _ftext = . ;
     85     *(.text.unlikely .text.*_unlikely .text.unlikely.*)
     86     *(.text.exit .text.exit.*)
     87     *(.text.startup .text.startup.*)
     88     *(.text.hot .text.hot.*)
     89     *(.text .stub .text.* .gnu.linkonce.t.*)
     90     /* .gnu.warning sections are handled specially by elf32.em.  */
     91     *(.gnu.warning)
     92     *(.mips16.fn.*) *(.mips16.call.*)
     93   }
     94   .fini           :
     95   {
     96     KEEP (*(SORT_NONE(.fini)))
     97   }
     98   PROVIDE (__etext = .);
     99   PROVIDE (_etext = .);
    100   PROVIDE (etext = .);
    101   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
    102   .rodata1        : { *(.rodata1) }
    103   .sdata2         :
    104   {
    105     *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
    106   }
    107   .sbss2          : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) }
    108   .eh_frame_hdr : { *(.eh_frame_hdr) }
    109   .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
    110   .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table
    111   .gcc_except_table.*) }
    112   /* These sections are generated by the Sun/Oracle C++ compiler.  */
    113   .exception_ranges   : ONLY_IF_RO { *(.exception_ranges
    114   .exception_ranges*) }
    115   /* Adjust the address for the data segment.  For 32 bits we want to align
    116   at exactly a page boundary to make life easier for apriori. */
    117   . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
    118   /* Exception handling  */
    119   .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
    120   .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
    121   .exception_ranges   : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) }
    122   /* Thread Local Storage sections  */
    123   .tdata	  : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
    124   .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
    125   /* Ensure the __preinit_array_start label is properly aligned.  We
    126      could instead move the label definition inside the section, but
    127      the linker would then create the section even if it turns out to
    128      be empty, which isn't pretty.  */
    129   . = ALIGN(32 / 8);
    130   PROVIDE_HIDDEN (__preinit_array_start = .);
    131   .preinit_array     :
    132   {
    133     KEEP (*(.preinit_array))
    134   }
    135   PROVIDE_HIDDEN (__preinit_array_end = .);
    136   PROVIDE_HIDDEN (__init_array_start = .);
    137   .init_array     :
    138   {
    139     KEEP (*crtbegin*.o(.init_array))
    140     KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
    141     KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .ctors))
    142   }
    143   PROVIDE_HIDDEN (__init_array_end = .);
    144   PROVIDE_HIDDEN (__fini_array_start = .);
    145   .fini_array     :
    146   {
    147     KEEP (*crtbegin*.o(.fini_array))
    148     KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
    149     KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .dtors))
    150   }
    151   PROVIDE_HIDDEN (__fini_array_end = .);
    152   .ctors          :
    153   {
    154     /* gcc uses crtbegin.o to find the start of
    155        the constructors, so we make sure it is
    156        first.  Because this is a wildcard, it
    157        doesn't matter if the user does not
    158        actually link against crtbegin.o; the
    159        linker won't look for a file to match a
    160        wildcard.  The wildcard also means that it
    161        doesn't matter which directory crtbegin.o
    162        is in.  */
    163     KEEP (*crtbegin.o(.ctors))
    164     KEEP (*crtbegin*.o(.ctors))
    165     /* We don't want to include the .ctor section from
    166        the crtend.o file until after the sorted ctors.
    167        The .ctor section from the crtend file contains the
    168        end of ctors marker and it must be last */
    169     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .ctors))
    170     KEEP (*(SORT(.ctors.*)))
    171     KEEP (*(.ctors))
    172   }
    173   .dtors          :
    174   {
    175     KEEP (*crtbegin.o(.dtors))
    176     KEEP (*crtbegin*.o(.dtors))
    177     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .dtors))
    178     KEEP (*(SORT(.dtors.*)))
    179     KEEP (*(.dtors))
    180   }
    181   .jcr            : { KEEP (*(.jcr)) }
    182   .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }
    183   . = DATA_SEGMENT_RELRO_END (0, .);
    184   .data           :
    185   {
    186     _fdata = . ;
    187     *(.data .data.* .gnu.linkonce.d.*)
    188     SORT(CONSTRUCTORS)
    189   }
    190   .data1          : { *(.data1) }
    191   .got.plt        : { *(.got.plt) }
    192   . = .;
    193   . = .;
    194   HIDDEN (_gp = ALIGN (16) + 0x7ff0);
    195   .got            : { *(.got) }
    196   /* We want the small data sections together, so single-instruction offsets
    197      can access them all, and initialized data all before uninitialized, so
    198      we can shorten the on-disk segment size.  */
    199   .sdata          :
    200   {
    201     *(.sdata .sdata.* .gnu.linkonce.s.*)
    202   }
    203   .lit8           : { *(.lit8) }
    204   .lit4           : { *(.lit4) }
    205   .srdata         : { *(.srdata) }
    206   _edata = .; PROVIDE (edata = .);
    207   . = .;
    208   __bss_start = .;
    209   _fbss = .;
    210   .sbss           :
    211   {
    212     *(.dynsbss)
    213     *(.sbss .sbss.* .gnu.linkonce.sb.*)
    214     *(.scommon)
    215   }
    216   .bss            :
    217   {
    218    *(.dynbss)
    219    *(.bss .bss.* .gnu.linkonce.b.*)
    220    *(COMMON)
    221    /* Align here to ensure that the .bss section occupies space up to
    222       _end.  Align after .bss to ensure correct alignment even if the
    223       .bss section disappears because there are no input sections.  */
    224    . = ALIGN(64 / 8);
    225   }
    226   . = ALIGN(64 / 8);
    227   . = SEGMENT_START("ldata-segment", .);
    228   . = ALIGN(64 / 8);
    229   _end = .;
    230   _bss_end__ = . ; __bss_end__ = . ; __end__ = . ;
    231   PROVIDE (end = .);
    232   . = DATA_SEGMENT_END (.);
    233   /* Stabs debugging sections.  */
    234   .stab          0 : { *(.stab) }
    235   .stabstr       0 : { *(.stabstr) }
    236   .stab.excl     0 : { *(.stab.excl) }
    237   .stab.exclstr  0 : { *(.stab.exclstr) }
    238   .stab.index    0 : { *(.stab.index) }
    239   .stab.indexstr 0 : { *(.stab.indexstr) }
    240   .comment       0 : { *(.comment) }
    241   /* DWARF debug sections.
    242      Symbols in the DWARF debugging sections are relative to the beginning
    243      of the section so we begin them at 0.  */
    244   /* DWARF 1 */
    245   .debug          0 : { *(.debug) }
    246   .line           0 : { *(.line) }
    247   /* GNU DWARF 1 extensions */
    248   .debug_srcinfo  0 : { *(.debug_srcinfo) }
    249   .debug_sfnames  0 : { *(.debug_sfnames) }
    250   /* DWARF 1.1 and DWARF 2 */
    251   .debug_aranges  0 : { *(.debug_aranges) }
    252   .debug_pubnames 0 : { *(.debug_pubnames) }
    253   /* DWARF 2 */
    254   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
    255   .debug_abbrev   0 : { *(.debug_abbrev) }
    256   .debug_line     0 : { *(.debug_line .debug_line.* .debug_line_end ) }
    257   .debug_frame    0 : { *(.debug_frame) }
    258   .debug_str      0 : { *(.debug_str) }
    259   .debug_loc      0 : { *(.debug_loc) }
    260   .debug_macinfo  0 : { *(.debug_macinfo) }
    261   /* SGI/MIPS DWARF 2 extensions */
    262   .debug_weaknames 0 : { *(.debug_weaknames) }
    263   .debug_funcnames 0 : { *(.debug_funcnames) }
    264   .debug_typenames 0 : { *(.debug_typenames) }
    265   .debug_varnames  0 : { *(.debug_varnames) }
    266   /* DWARF 3 */
    267   .debug_pubtypes 0 : { *(.debug_pubtypes) }
    268   .debug_ranges   0 : { *(.debug_ranges) }
    269   /* DWARF Extension.  */
    270   .debug_macro    0 : { *(.debug_macro) }
    271   .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
    272   .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
    273   .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
    274   /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.mdebug.*) }
    275 }
    276