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      1 /* Script for -z combreloc -z now -z relro: combine and sort reloc sections */
      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-tradlittlemips", "elf32-tradbigmips",
      7 	      "elf32-tradlittlemips")
      8 OUTPUT_ARCH(mips)
      9 ENTRY(__start)
     10 SECTIONS
     11 {
     12   /* Read-only sections, merged into text segment: */
     13   PROVIDE (__executable_start = 0x80000); . = 0x80000 + SIZEOF_HEADERS;
     14   .interp         : { *(.interp) }
     15   .MIPS.abiflags   : { *(.MIPS.abiflags) }
     16   .reginfo         : { *(.reginfo) }
     17   .note.gnu.build-id : { *(.note.gnu.build-id) }
     18   .hash           : { *(.hash) }
     19   .gnu.hash       : { *(.gnu.hash) }
     20   .dynsym         : { *(.dynsym) }
     21   .dynstr         : { *(.dynstr) }
     22   .gnu.version    : { *(.gnu.version) }
     23   .gnu.version_d  : { *(.gnu.version_d) }
     24   .gnu.version_r  : { *(.gnu.version_r) }
     25   .rel.dyn        :
     26     {
     27       *(.rel.init)
     28       *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*)
     29       *(.rel.fini)
     30       *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*)
     31       *(.rel.data.rel.ro .rel.data.rel.ro.* .rel.gnu.linkonce.d.rel.ro.*)
     32       *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*)
     33       *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*)
     34       *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*)
     35       *(.rel.ctors)
     36       *(.rel.dtors)
     37       *(.rel.got)
     38       *(.rel.dyn)
     39       *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*)
     40       *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*)
     41       *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*)
     42       *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*)
     43       *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*)
     44       PROVIDE_HIDDEN (__rel_iplt_start = .);
     45       *(.rel.iplt)
     46       PROVIDE_HIDDEN (__rel_iplt_end = .);
     47     }
     48   .rela.dyn       :
     49     {
     50       *(.rela.init)
     51       *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
     52       *(.rela.fini)
     53       *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
     54       *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
     55       *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
     56       *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
     57       *(.rela.ctors)
     58       *(.rela.dtors)
     59       *(.rela.got)
     60       *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*)
     61       *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*)
     62       *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*)
     63       *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*)
     64       *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
     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 (*(SORT_NONE(.init)))
     80   }
     81   .text           :
     82   {
     83     _ftext = . ;
     84     *(.text.unlikely .text.*_unlikely .text.unlikely.*)
     85     *(.text.exit .text.exit.*)
     86     *(.text.startup .text.startup.*)
     87     *(.text.hot .text.hot.*)
     88     *(.text .stub .text.* .gnu.linkonce.t.*)
     89     /* .gnu.warning sections are handled specially by elf32.em.  */
     90     *(.gnu.warning)
     91     *(.mips16.fn.*) *(.mips16.call.*)
     92   }
     93   .fini           :
     94   {
     95     KEEP (*(SORT_NONE(.fini)))
     96   }
     97   PROVIDE (__etext = .);
     98   PROVIDE (_etext = .);
     99   PROVIDE (etext = .);
    100   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
    101   .rodata1        : { *(.rodata1) }
    102   .sdata2         :
    103   {
    104     *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
    105   }
    106   .sbss2          : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) }
    107   .eh_frame_hdr : { *(.eh_frame_hdr) }
    108   .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
    109   .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table
    110   .gcc_except_table.*) }
    111   /* These sections are generated by the Sun/Oracle C++ compiler.  */
    112   .exception_ranges   : ONLY_IF_RO { *(.exception_ranges
    113   .exception_ranges*) }
    114   .plt            : { *(.plt) }
    115   .iplt           : { *(.iplt) }
    116   /* Adjust the address for the data segment.  For 32 bits we want to align
    117   at exactly a page boundary to make life easier for apriori. */
    118   . = ALIGN (CONSTANT (MAXPAGESIZE)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
    119   /* Exception handling  */
    120   .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
    121   .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
    122   .exception_ranges   : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) }
    123   /* Thread Local Storage sections  */
    124   .tdata	  : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
    125   .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
    126   /* Ensure the __preinit_array_start label is properly aligned.  We
    127      could instead move the label definition inside the section, but
    128      the linker would then create the section even if it turns out to
    129      be empty, which isn't pretty.  */
    130   . = ALIGN(32 / 8);
    131   PROVIDE_HIDDEN (__preinit_array_start = .);
    132   .preinit_array     :
    133   {
    134     KEEP (*(.preinit_array))
    135   }
    136   PROVIDE_HIDDEN (__preinit_array_end = .);
    137   PROVIDE_HIDDEN (__init_array_start = .);
    138   .init_array     :
    139   {
    140     KEEP (*crtbegin*.o(.init_array))
    141     KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
    142     KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .ctors))
    143   }
    144   PROVIDE_HIDDEN (__init_array_end = .);
    145   PROVIDE_HIDDEN (__fini_array_start = .);
    146   .fini_array     :
    147   {
    148     KEEP (*crtbegin*.o(.fini_array))
    149     KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
    150     KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .dtors))
    151   }
    152   PROVIDE_HIDDEN (__fini_array_end = .);
    153   .ctors          :
    154   {
    155     /* gcc uses crtbegin.o to find the start of
    156        the constructors, so we make sure it is
    157        first.  Because this is a wildcard, it
    158        doesn't matter if the user does not
    159        actually link against crtbegin.o; the
    160        linker won't look for a file to match a
    161        wildcard.  The wildcard also means that it
    162        doesn't matter which directory crtbegin.o
    163        is in.  */
    164     KEEP (*crtbegin.o(.ctors))
    165     KEEP (*crtbegin*.o(.ctors))
    166     /* We don't want to include the .ctor section from
    167        the crtend.o file until after the sorted ctors.
    168        The .ctor section from the crtend file contains the
    169        end of ctors marker and it must be last */
    170     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .ctors))
    171     KEEP (*(SORT(.ctors.*)))
    172     KEEP (*(.ctors))
    173   }
    174   .dtors          :
    175   {
    176     KEEP (*crtbegin.o(.dtors))
    177     KEEP (*crtbegin*.o(.dtors))
    178     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .dtors))
    179     KEEP (*(SORT(.dtors.*)))
    180     KEEP (*(.dtors))
    181   }
    182   .jcr            : { KEEP (*(.jcr)) }
    183   .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }
    184   .got.plt        : { *(.got.plt) }
    185   .dynamic        : { *(.dynamic) }
    186   . = DATA_SEGMENT_RELRO_END (0, .);
    187   .data           :
    188   {
    189     _fdata = . ;
    190     *(.data .data.* .gnu.linkonce.d.*)
    191     SORT(CONSTRUCTORS)
    192   }
    193   .data1          : { *(.data1) }
    194   . = .;
    195   HIDDEN (_gp = ALIGN (16) + 0x7ff0);
    196   .got            : { *(.got) }
    197   /* We want the small data sections together, so single-instruction offsets
    198      can access them all, and initialized data all before uninitialized, so
    199      we can shorten the on-disk segment size.  */
    200   .sdata          :
    201   {
    202     *(.sdata .sdata.* .gnu.linkonce.s.*)
    203   }
    204   .lit8           : { *(.lit8) }
    205   .lit4           : { *(.lit4) }
    206   _edata = .; PROVIDE (edata = .);
    207   __bss_start = .;
    208   _fbss = .;
    209   .sbss           :
    210   {
    211     *(.dynsbss)
    212     *(.sbss .sbss.* .gnu.linkonce.sb.*)
    213     *(.scommon)
    214   }
    215   .bss            :
    216   {
    217    *(.dynbss)
    218    *(.bss .bss.* .gnu.linkonce.b.*)
    219    *(COMMON)
    220    /* Align here to ensure that the .bss section occupies space up to
    221       _end.  Align after .bss to ensure correct alignment even if the
    222       .bss section disappears because there are no input sections.  */
    223    . = ALIGN(32 / 8);
    224   }
    225   . = ALIGN(32 / 8);
    226   . = SEGMENT_START("ldata-segment", .);
    227   . = ALIGN(32 / 8);
    228   _end = .;
    229   _bss_end__ = . ; __bss_end__ = . ; __end__ = . ;
    230   PROVIDE (end = .);
    231   . = DATA_SEGMENT_END (.);
    232   /* Stabs debugging sections.  */
    233   .stab          0 : { *(.stab) }
    234   .stabstr       0 : { *(.stabstr) }
    235   .stab.excl     0 : { *(.stab.excl) }
    236   .stab.exclstr  0 : { *(.stab.exclstr) }
    237   .stab.index    0 : { *(.stab.index) }
    238   .stab.indexstr 0 : { *(.stab.indexstr) }
    239   .comment       0 : { *(.comment) }
    240   /* DWARF debug sections.
    241      Symbols in the DWARF debugging sections are relative to the beginning
    242      of the section so we begin them at 0.  */
    243   /* DWARF 1 */
    244   .debug          0 : { *(.debug) }
    245   .line           0 : { *(.line) }
    246   /* GNU DWARF 1 extensions */
    247   .debug_srcinfo  0 : { *(.debug_srcinfo) }
    248   .debug_sfnames  0 : { *(.debug_sfnames) }
    249   /* DWARF 1.1 and DWARF 2 */
    250   .debug_aranges  0 : { *(.debug_aranges) }
    251   .debug_pubnames 0 : { *(.debug_pubnames) }
    252   /* DWARF 2 */
    253   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
    254   .debug_abbrev   0 : { *(.debug_abbrev) }
    255   .debug_line     0 : { *(.debug_line .debug_line.* .debug_line_end ) }
    256   .debug_frame    0 : { *(.debug_frame) }
    257   .debug_str      0 : { *(.debug_str) }
    258   .debug_loc      0 : { *(.debug_loc) }
    259   .debug_macinfo  0 : { *(.debug_macinfo) }
    260   /* SGI/MIPS DWARF 2 extensions */
    261   .debug_weaknames 0 : { *(.debug_weaknames) }
    262   .debug_funcnames 0 : { *(.debug_funcnames) }
    263   .debug_typenames 0 : { *(.debug_typenames) }
    264   .debug_varnames  0 : { *(.debug_varnames) }
    265   /* DWARF 3 */
    266   .debug_pubtypes 0 : { *(.debug_pubtypes) }
    267   .debug_ranges   0 : { *(.debug_ranges) }
    268   /* DWARF Extension.  */
    269   .debug_macro    0 : { *(.debug_macro) }
    270   .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
    271   .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
    272   .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
    273   .gcc_compiled_long32 0 : { KEEP(*(.gcc_compiled_long32)) }
    274   .gcc_compiled_long64 0 : { KEEP(*(.gcc_compiled_long64)) }
    275   /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.mdebug.*) }
    276 }
    277