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kern.ldscript revision 1.2
      1  1.1      matt /* Default linker script, for normal executables */
      2  1.1      matt OUTPUT_FORMAT("elf64-littleaarch64", "elf64-bigaarch64",
      3  1.1      matt 	      "elf64-littleaarch64")
      4  1.1      matt OUTPUT_ARCH(aarch64)
      5  1.1      matt ENTRY(_start)
      6  1.1      matt SECTIONS
      7  1.1      matt {
      8  1.1      matt   /* Read-only sections, merged into text segment: */
      9  1.1      matt   PROVIDE (__kernel_text = .;
     10  1.1      matt   .text           :
     11  1.1      matt   {
     12  1.1      matt     PROVIDE_HIDDEN (__eprol = .);
     13  1.1      matt     *(.text)
     14  1.1      matt     *(.text.unlikely .text.*_unlikely)
     15  1.1      matt     *(.text.exit .text.exit.*)
     16  1.1      matt     *(.text.startup .text.startup.*)
     17  1.1      matt     *(.text.hot .text.hot.*)
     18  1.1      matt     *(.stub .text.* .gnu.linkonce.t.*)
     19  1.1      matt     /* .gnu.warning sections are handled specially by elf32.em.  */
     20  1.1      matt     . = ALIGN(0x800)
     21  1.1      matt     *(.vectors)
     22  1.1      matt   } =0
     23  1.1      matt   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
     24  1.1      matt   .rodata1        : { *(.rodata1) }
     25  1.1      matt   .eh_frame_hdr : { *(.eh_frame_hdr) }
     26  1.1      matt   .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
     27  1.1      matt   .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table
     28  1.1      matt   .gcc_except_table.*) }
     29  1.1      matt   /* These sections are generated by the Sun/Oracle C++ compiler.  */
     30  1.1      matt   .exception_ranges   : ONLY_IF_RO { *(.exception_ranges
     31  1.1      matt   .exception_ranges*) }
     32  1.1      matt   PROVIDE (__etext = .);
     33  1.1      matt   PROVIDE (_etext = .);
     34  1.1      matt   PROVIDE (etext = .);
     35  1.1      matt   /* Adjust the address for the data segment.  We want to adjust up to
     36  1.1      matt      the same address within the page on the next page up.  */
     37  1.1      matt   . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
     38  1.1      matt   /* Exception handling  */
     39  1.1      matt   .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
     40  1.1      matt   .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
     41  1.1      matt   .exception_ranges   : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) }
     42  1.1      matt   .got            : { *(.got) *(.igot) }
     43  1.1      matt   . = DATA_SEGMENT_RELRO_END (24, .);
     44  1.1      matt   .got.plt        : { *(.got.plt)  *(.igot.plt) }
     45  1.1      matt   .data           :
     46  1.1      matt   {
     47  1.1      matt     PROVIDE (__data_start = .);
     48  1.1      matt     *(.data .data.* .gnu.linkonce.d.*)
     49  1.1      matt     SORT(CONSTRUCTORS)
     50  1.1      matt   }
     51  1.1      matt   .data1          : { *(.data1) }
     52  1.1      matt   _edata = .; PROVIDE (edata = .);
     53  1.1      matt   . = .;
     54  1.1      matt   __bss_start = .;
     55  1.1      matt   __bss_start__ = .;
     56  1.1      matt   .bss            :
     57  1.1      matt   {
     58  1.2  uebayasi     *(.dynbss)
     59  1.2  uebayasi     *(.bss .bss.* .gnu.linkonce.b.*)
     60  1.2  uebayasi     *(COMMON)
     61  1.2  uebayasi     /* Align here to ensure that the .bss section occupies space up to
     62  1.2  uebayasi        _end.  Align after .bss to ensure correct alignment even if the
     63  1.2  uebayasi        .bss section disappears because there are no input sections.
     64  1.2  uebayasi        FIXME: Why do we need it? When there is no .bss section, we don't
     65  1.2  uebayasi        pad the .data section.  */
     66  1.2  uebayasi     . = ALIGN(. != 0 ? 32 / 8 : 1);
     67  1.1      matt   }
     68  1.1      matt   _bss_end__ = . ; __bss_end__ = . ;
     69  1.1      matt   . = ALIGN(32 / 8);
     70  1.1      matt   . = ALIGN(32 / 8);
     71  1.1      matt   __end__ = . ;
     72  1.1      matt   _end = .; PROVIDE (end = .);
     73  1.1      matt   . = DATA_SEGMENT_END (.);
     74  1.1      matt   .comment       0 : { *(.comment) }
     75  1.1      matt   .ident         0 : { *(.ident) }
     76  1.1      matt   /* DWARF debug sections.
     77  1.1      matt      Symbols in the DWARF debugging sections are relative to the beginning
     78  1.1      matt      of the section so we begin them at 0.  */
     79  1.1      matt   /* DWARF 1 */
     80  1.1      matt   .debug          0 : { *(.debug) }
     81  1.1      matt   .line           0 : { *(.line) }
     82  1.1      matt   /* GNU DWARF 1 extensions */
     83  1.1      matt   .debug_srcinfo  0 : { *(.debug_srcinfo) }
     84  1.1      matt   .debug_sfnames  0 : { *(.debug_sfnames) }
     85  1.1      matt   /* DWARF 1.1 and DWARF 2 */
     86  1.1      matt   .debug_aranges  0 : { *(.debug_aranges) }
     87  1.1      matt   .debug_pubnames 0 : { *(.debug_pubnames) }
     88  1.1      matt   /* DWARF 2 */
     89  1.1      matt   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
     90  1.1      matt   .debug_abbrev   0 : { *(.debug_abbrev) }
     91  1.1      matt   .debug_line     0 : { *(.debug_line) }
     92  1.1      matt   .debug_frame    0 : { *(.debug_frame) }
     93  1.1      matt   .debug_str      0 : { *(.debug_str) }
     94  1.1      matt   .debug_loc      0 : { *(.debug_loc) }
     95  1.1      matt   .debug_macinfo  0 : { *(.debug_macinfo) }
     96  1.1      matt   /* SGI/MIPS DWARF 2 extensions */
     97  1.1      matt   .debug_weaknames 0 : { *(.debug_weaknames) }
     98  1.1      matt   .debug_funcnames 0 : { *(.debug_funcnames) }
     99  1.1      matt   .debug_typenames 0 : { *(.debug_typenames) }
    100  1.1      matt   .debug_varnames  0 : { *(.debug_varnames) }
    101  1.1      matt   /* DWARF 3 */
    102  1.1      matt   .debug_pubtypes 0 : { *(.debug_pubtypes) }
    103  1.1      matt   .debug_ranges   0 : { *(.debug_ranges) }
    104  1.1      matt   /* DWARF Extension.  */
    105  1.1      matt   .debug_macro    0 : { *(.debug_macro) }
    106  1.1      matt   .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) }
    107  1.1      matt   .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
    108  1.1      matt   /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }
    109  1.1      matt }
    110