Home | History | Annotate | Download | only in ldscripts
      1 /* Script for --shared -z combreloc -z now -z relro: shared library, combine & sort relocs */
      2 OUTPUT_FORMAT("elf32-bigaarch64", "elf32-bigaarch64",
      3 	      "elf32-littleaarch64")
      4 OUTPUT_ARCH(aarch64:ilp32)
      5 ENTRY(_start)
      6 SECTIONS
      7 {
      8   /* Read-only sections, merged into text segment: */
      9   . = 0 + SIZEOF_HEADERS;
     10   .note.gnu.build-id : { *(.note.gnu.build-id) }
     11   .hash           : { *(.hash) }
     12   .gnu.hash       : { *(.gnu.hash) }
     13   .dynsym         : { *(.dynsym) }
     14   .dynstr         : { *(.dynstr) }
     15   .gnu.version    : { *(.gnu.version) }
     16   .gnu.version_d  : { *(.gnu.version_d) }
     17   .gnu.version_r  : { *(.gnu.version_r) }
     18   .rela.dyn       :
     19     {
     20       *(.rela.init)
     21       *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
     22       *(.rela.fini)
     23       *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
     24       *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
     25       *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
     26       *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
     27       *(.rela.ctors)
     28       *(.rela.dtors)
     29       *(.rela.got)
     30       *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
     31       *(.rela.ifunc)
     32     }
     33   .rela.plt       :
     34     {
     35       *(.rela.plt)
     36       *(.rela.iplt)
     37     }
     38   .init           :
     39   {
     40     KEEP (*(SORT_NONE(.init)))
     41   } =0
     42   .plt            : ALIGN(16) { *(.plt) *(.iplt) }
     43   .text           :
     44   {
     45     *(.text.unlikely .text.*_unlikely .text.unlikely.*)
     46     *(.text.exit .text.exit.*)
     47     *(.text.startup .text.startup.*)
     48     *(.text.hot .text.hot.*)
     49     *(.text .stub .text.* .gnu.linkonce.t.*)
     50     /* .gnu.warning sections are handled specially by elf32.em.  */
     51     *(.gnu.warning)
     52   } =0
     53   .fini           :
     54   {
     55     KEEP (*(SORT_NONE(.fini)))
     56   } =0
     57   PROVIDE (__etext = .);
     58   PROVIDE (_etext = .);
     59   PROVIDE (etext = .);
     60   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
     61   .rodata1        : { *(.rodata1) }
     62   .eh_frame_hdr : { *(.eh_frame_hdr) }
     63   .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
     64   .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table
     65   .gcc_except_table.*) }
     66   /* These sections are generated by the Sun/Oracle C++ compiler.  */
     67   .exception_ranges   : ONLY_IF_RO { *(.exception_ranges
     68   .exception_ranges*) }
     69   /* Adjust the address for the data segment.  For 32 bits we want to align
     70   at exactly a page boundary to make life easier for apriori. */
     71   . = ALIGN (CONSTANT (MAXPAGESIZE)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
     72   /* Exception handling  */
     73   .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
     74   .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
     75   .exception_ranges   : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) }
     76   /* Thread Local Storage sections  */
     77   .tdata	  : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
     78   .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
     79   /* Ensure the __preinit_array_start label is properly aligned.  We
     80      could instead move the label definition inside the section, but
     81      the linker would then create the section even if it turns out to
     82      be empty, which isn't pretty.  */
     83   . = ALIGN(32 / 8);
     84   .preinit_array     :
     85   {
     86     KEEP (*(.preinit_array))
     87   }
     88   .init_array     :
     89   {
     90     KEEP (*crtbegin*.o(.init_array))
     91     KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
     92     KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .ctors))
     93   }
     94   .fini_array     :
     95   {
     96     KEEP (*crtbegin*.o(.fini_array))
     97     KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
     98     KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .dtors))
     99   }
    100   .ctors          :
    101   {
    102     /* gcc uses crtbegin.o to find the start of
    103        the constructors, so we make sure it is
    104        first.  Because this is a wildcard, it
    105        doesn't matter if the user does not
    106        actually link against crtbegin.o; the
    107        linker won't look for a file to match a
    108        wildcard.  The wildcard also means that it
    109        doesn't matter which directory crtbegin.o
    110        is in.  */
    111     KEEP (*crtbegin.o(.ctors))
    112     KEEP (*crtbegin*.o(.ctors))
    113     /* We don't want to include the .ctor section from
    114        the crtend.o file until after the sorted ctors.
    115        The .ctor section from the crtend file contains the
    116        end of ctors marker and it must be last */
    117     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .ctors))
    118     KEEP (*(SORT(.ctors.*)))
    119     KEEP (*(.ctors))
    120   }
    121   .dtors          :
    122   {
    123     KEEP (*crtbegin.o(.dtors))
    124     KEEP (*crtbegin*.o(.dtors))
    125     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .dtors))
    126     KEEP (*(SORT(.dtors.*)))
    127     KEEP (*(.dtors))
    128   }
    129   .jcr            : { KEEP (*(.jcr)) }
    130   .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }
    131   .dynamic        : { *(.dynamic) }
    132   .got            : { *(.got.plt) *(.igot.plt) *(.got) *(.igot) }
    133   . = DATA_SEGMENT_RELRO_END (0, .);
    134   .data           :
    135   {
    136     PROVIDE (__data_start = .);
    137     *(.data .data.* .gnu.linkonce.d.*)
    138     SORT(CONSTRUCTORS)
    139   }
    140   .data1          : { *(.data1) }
    141   _edata = .; PROVIDE (edata = .);
    142   . = .;
    143   __bss_start = .;
    144   __bss_start__ = .;
    145   .bss            :
    146   {
    147    *(.dynbss)
    148    *(.bss .bss.* .gnu.linkonce.b.*)
    149    *(COMMON)
    150    /* Align here to ensure that the .bss section occupies space up to
    151       _end.  Align after .bss to ensure correct alignment even if the
    152       .bss section disappears because there are no input sections.  */
    153    . = ALIGN(32 / 8);
    154   }
    155   _bss_end__ = . ; __bss_end__ = . ;
    156   . = ALIGN(32 / 8);
    157   . = SEGMENT_START("ldata-segment", .);
    158   . = ALIGN(32 / 8);
    159   __end__ = . ;
    160   _end = .;
    161   _bss_end__ = . ; __bss_end__ = . ; __end__ = . ;
    162   PROVIDE (end = .);
    163   . = DATA_SEGMENT_END (.);
    164   /* Stabs debugging sections.  */
    165   .stab          0 : { *(.stab) }
    166   .stabstr       0 : { *(.stabstr) }
    167   .stab.excl     0 : { *(.stab.excl) }
    168   .stab.exclstr  0 : { *(.stab.exclstr) }
    169   .stab.index    0 : { *(.stab.index) }
    170   .stab.indexstr 0 : { *(.stab.indexstr) }
    171   .comment       0 : { *(.comment) }
    172   /* DWARF debug sections.
    173      Symbols in the DWARF debugging sections are relative to the beginning
    174      of the section so we begin them at 0.  */
    175   /* DWARF 1 */
    176   .debug          0 : { *(.debug) }
    177   .line           0 : { *(.line) }
    178   /* GNU DWARF 1 extensions */
    179   .debug_srcinfo  0 : { *(.debug_srcinfo) }
    180   .debug_sfnames  0 : { *(.debug_sfnames) }
    181   /* DWARF 1.1 and DWARF 2 */
    182   .debug_aranges  0 : { *(.debug_aranges) }
    183   .debug_pubnames 0 : { *(.debug_pubnames) }
    184   /* DWARF 2 */
    185   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
    186   .debug_abbrev   0 : { *(.debug_abbrev) }
    187   .debug_line     0 : { *(.debug_line .debug_line.* .debug_line_end ) }
    188   .debug_frame    0 : { *(.debug_frame) }
    189   .debug_str      0 : { *(.debug_str) }
    190   .debug_loc      0 : { *(.debug_loc) }
    191   .debug_macinfo  0 : { *(.debug_macinfo) }
    192   /* SGI/MIPS DWARF 2 extensions */
    193   .debug_weaknames 0 : { *(.debug_weaknames) }
    194   .debug_funcnames 0 : { *(.debug_funcnames) }
    195   .debug_typenames 0 : { *(.debug_typenames) }
    196   .debug_varnames  0 : { *(.debug_varnames) }
    197   /* DWARF 3 */
    198   .debug_pubtypes 0 : { *(.debug_pubtypes) }
    199   .debug_ranges   0 : { *(.debug_ranges) }
    200   /* DWARF Extension.  */
    201   .debug_macro    0 : { *(.debug_macro) }
    202   .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) }
    203   .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
    204   /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.mdebug.*) }
    205 }
    206