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      1 /* Script for -pie -z combreloc -z now -z relro: position independent executable, combine & sort relocs */
      2 OUTPUT_FORMAT("elf32-i386", "elf32-i386",
      3 	      "elf32-i386")
      4 OUTPUT_ARCH(i386)
      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   .note.gnu.build-id : { *(.note.gnu.build-id) }
     12   .hash           : { *(.hash) }
     13   .gnu.hash       : { *(.gnu.hash) }
     14   .dynsym         : { *(.dynsym) }
     15   .dynstr         : { *(.dynstr) }
     16   .gnu.version    : { *(.gnu.version) }
     17   .gnu.version_d  : { *(.gnu.version_d) }
     18   .gnu.version_r  : { *(.gnu.version_r) }
     19   .rel.dyn        :
     20     {
     21       *(.rel.init)
     22       *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*)
     23       *(.rel.fini)
     24       *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*)
     25       *(.rel.data.rel.ro .rel.data.rel.ro.* .rel.gnu.linkonce.d.rel.ro.*)
     26       *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*)
     27       *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*)
     28       *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*)
     29       *(.rel.ctors)
     30       *(.rel.dtors)
     31       *(.rel.got)
     32       *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*)
     33       *(.rel.ifunc)
     34     }
     35   .rel.plt        :
     36     {
     37       *(.rel.plt)
     38       PROVIDE_HIDDEN (__rel_iplt_start = .);
     39       *(.rel.iplt)
     40       PROVIDE_HIDDEN (__rel_iplt_end = .);
     41     }
     42   .init           :
     43   {
     44     KEEP (*(.init))
     45   }
     46   .plt            : { *(.plt) *(.iplt) }
     47   .text           :
     48   {
     49     *(.text.unlikely .text.*_unlikely)
     50     *(.text.exit .text.exit.*)
     51     *(.text.startup .text.startup.*)
     52     *(.text.hot .text.hot.*)
     53     *(.text .stub .text.* .gnu.linkonce.t.*)
     54     /* .gnu.warning sections are handled specially by elf32.em.  */
     55     *(.gnu.warning)
     56   }
     57   .fini           :
     58   {
     59     KEEP (*(.fini))
     60   }
     61   PROVIDE (__etext = .);
     62   PROVIDE (_etext = .);
     63   PROVIDE (etext = .);
     64   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
     65   .rodata1        : { *(.rodata1) }
     66   .eh_frame_hdr : { *(.eh_frame_hdr) }
     67   .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
     68   .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table
     69   .gcc_except_table.*) }
     70   /* These sections are generated by the Sun/Oracle C++ compiler.  */
     71   .exception_ranges   : ONLY_IF_RO { *(.exception_ranges
     72   .exception_ranges*) }
     73   /* Adjust the address for the data segment.  We want to align at exactly
     74      a page boundary to make life easier for apriori. */
     75   . = ALIGN (CONSTANT (MAXPAGESIZE)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
     76   /* Exception handling  */
     77   .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
     78   .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
     79   .exception_ranges   : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) }
     80   /* Thread Local Storage sections  */
     81   .tdata	  : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
     82   .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
     83   /* Ensure the __preinit_array_start label is properly aligned.  We
     84      could instead move the label definition inside the section, but
     85      the linker would then create the section even if it turns out to
     86      be empty, which isn't pretty.  */
     87   . = ALIGN(32 / 8);
     88   PROVIDE_HIDDEN (__preinit_array_start = .);
     89   .preinit_array     :
     90   {
     91     KEEP (*(.preinit_array))
     92   }
     93   PROVIDE_HIDDEN (__preinit_array_end = .);
     94   PROVIDE_HIDDEN (__init_array_start = .);
     95   .init_array     :
     96   {
     97     KEEP (*crtbegin*.o(.init_array))
     98     KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
     99     KEEP (*(.init_array))
    100     KEEP (*(EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
    101   }
    102   PROVIDE_HIDDEN (__init_array_end = .);
    103   PROVIDE_HIDDEN (__fini_array_start = .);
    104   .fini_array     :
    105   {
    106     KEEP (*crtbegin*.o(.fini_array))
    107     KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
    108     KEEP (*(.fini_array))
    109     KEEP (*(EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
    110   }
    111   PROVIDE_HIDDEN (__fini_array_end = .);
    112   .ctors          :
    113   {
    114     /* gcc uses crtbegin.o to find the start of
    115        the constructors, so we make sure it is
    116        first.  Because this is a wildcard, it
    117        doesn't matter if the user does not
    118        actually link against crtbegin.o; the
    119        linker won't look for a file to match a
    120        wildcard.  The wildcard also means that it
    121        doesn't matter which directory crtbegin.o
    122        is in.  */
    123     KEEP (*crtbegin.o(.ctors))
    124     KEEP (*crtbegin*.o(.ctors))
    125     /* We don't want to include the .ctor section from
    126        the crtend.o file until after the sorted ctors.
    127        The .ctor section from the crtend file contains the
    128        end of ctors marker and it must be last */
    129     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .ctors))
    130     KEEP (*(SORT(.ctors.*)))
    131     KEEP (*(.ctors))
    132   }
    133   .dtors          :
    134   {
    135     KEEP (*crtbegin.o(.dtors))
    136     KEEP (*crtbegin*.o(.dtors))
    137     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .dtors))
    138     KEEP (*(SORT(.dtors.*)))
    139     KEEP (*(.dtors))
    140   }
    141   .jcr            : { KEEP (*(.jcr)) }
    142   .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }
    143   .dynamic        : { *(.dynamic) }
    144   .got            : { *(.got.plt) *(.igot.plt) *(.got) *(.igot) }
    145   . = DATA_SEGMENT_RELRO_END (0, .);
    146   .data           :
    147   {
    148     *(.data .data.* .gnu.linkonce.d.*)
    149     SORT(CONSTRUCTORS)
    150   }
    151   .data1          : { *(.data1) }
    152   _edata = .; PROVIDE (edata = .);
    153   . = .;
    154   __bss_start = .;
    155   .bss            :
    156   {
    157    *(.dynbss)
    158    *(.bss .bss.* .gnu.linkonce.b.*)
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    161       _end.  Align after .bss to ensure correct alignment even if the
    162       .bss section disappears because there are no input sections.  */
    163    . = ALIGN(32 / 8);
    164   }
    165   . = ALIGN(32 / 8);
    166   . = ALIGN(32 / 8);
    167   _end = .;
    168   _bss_end__ = . ; __bss_end__ = . ; __end__ = . ;
    169   PROVIDE (end = .);
    170   . = DATA_SEGMENT_END (.);
    171   /* Stabs debugging sections.  */
    172   .stab          0 : { *(.stab) }
    173   .stabstr       0 : { *(.stabstr) }
    174   .stab.excl     0 : { *(.stab.excl) }
    175   .stab.exclstr  0 : { *(.stab.exclstr) }
    176   .stab.index    0 : { *(.stab.index) }
    177   .stab.indexstr 0 : { *(.stab.indexstr) }
    178   .comment       0 : { *(.comment) }
    179   /* DWARF debug sections.
    180      Symbols in the DWARF debugging sections are relative to the beginning
    181      of the section so we begin them at 0.  */
    182   /* DWARF 1 */
    183   .debug          0 : { *(.debug) }
    184   .line           0 : { *(.line) }
    185   /* GNU DWARF 1 extensions */
    186   .debug_srcinfo  0 : { *(.debug_srcinfo) }
    187   .debug_sfnames  0 : { *(.debug_sfnames) }
    188   /* DWARF 1.1 and DWARF 2 */
    189   .debug_aranges  0 : { *(.debug_aranges) }
    190   .debug_pubnames 0 : { *(.debug_pubnames) }
    191   /* DWARF 2 */
    192   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
    193   .debug_abbrev   0 : { *(.debug_abbrev) }
    194   .debug_line     0 : { *(.debug_line) }
    195   .debug_frame    0 : { *(.debug_frame) }
    196   .debug_str      0 : { *(.debug_str) }
    197   .debug_loc      0 : { *(.debug_loc) }
    198   .debug_macinfo  0 : { *(.debug_macinfo) }
    199   /* SGI/MIPS DWARF 2 extensions */
    200   .debug_weaknames 0 : { *(.debug_weaknames) }
    201   .debug_funcnames 0 : { *(.debug_funcnames) }
    202   .debug_typenames 0 : { *(.debug_typenames) }
    203   .debug_varnames  0 : { *(.debug_varnames) }
    204   /* DWARF 3 */
    205   .debug_pubtypes 0 : { *(.debug_pubtypes) }
    206   .debug_ranges   0 : { *(.debug_ranges) }
    207   /* DWARF Extension.  */
    208   .debug_macro    0 : { *(.debug_macro) }
    209   .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
    210   /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.mdebug.*) }
    211 }
    212