path: root/bsps/x86_64/amd64/start/linkcmds

/* Copyright (C) 2014-2018 Free Software Foundation, Inc.
   Copying and distribution of this script, with or without modification,
   are permitted in any medium without royalty provided the copyright
   notice and this notice are preserved.  */

/*
 * Copy of default linker script generated with:
 *      x86_64-rtems5-ld --verbose
 *
 * Changes:
 *   - Added HeapSize, RamBase, RamSize, WorkBase
 *   - rtemssroset section
 *   - rtemsstack section
 */

OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64",
          "elf64-x86-64")
OUTPUT_ARCH(i386:x86-64)
ENTRY(_start)

HeapSize = DEFINED(HeapSize)  ? HeapSize  :
           DEFINED(_HeapSize) ? _HeapSize : 0x0;
RamBase = DEFINED(RamBase)    ? RamBase   :
          DEFINED(_RamBase)   ? _RamBase  : 0x0;

/* XXX: Defaulting to 4GiB.
 */
RamSize = DEFINED(RamSize)    ? RamSize   :
          DEFINED(_RamSize)   ? _RamSize  : 0xFFFFFFFF;

SECTIONS
{
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  .interp         : { *(.interp) }
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  .gnu.version_d  : { *(.gnu.version_d) }
  .gnu.version_r  : { *(.gnu.version_r) }
  .rela.dyn       :
    {
      *(.rela.init)
      *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
      *(.rela.fini)
      *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
      *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
      *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
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    /* for pre rtems-libbsd FreeBSD code */
    __start_set_sysctl_set = .;
    *(set_sysctl_*);
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    *(set_domain_*);
    *(set_pseudo_*);

    KEEP (*(SORT(.rtemsroset.*)))
  } =0x90909090
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  {
    KEEP (*(SORT_NONE(.init)))
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  /* Adjust the address for the data segment.  We want to adjust up to
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  .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) *(.eh_frame.*) }
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    *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
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  _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
  _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin;
  _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin;
  _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
  _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
  _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));
  .preinit_array     :
  {
    PROVIDE_HIDDEN (__preinit_array_start = .);
    KEEP (*(.preinit_array))
    PROVIDE_HIDDEN (__preinit_array_end = .);
  }
  .init_array     :
  {
    PROVIDE_HIDDEN (__init_array_start = .);
    KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
    KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
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  {
    PROVIDE_HIDDEN (__fini_array_start = .);
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    PROVIDE_HIDDEN (__fini_array_end = .);
  }
  .ctors          :
  {
    /* gcc uses crtbegin.o to find the start of
       the constructors, so we make sure it is
       first.  Because this is a wildcard, it
       doesn't matter if the user does not
       actually link against crtbegin.o; the
       linker won't look for a file to match a
       wildcard.  The wildcard also means that it
       doesn't matter which directory crtbegin.o
       is in.  */
    KEEP (*crtbegin.o(.ctors))
    KEEP (*crtbegin?.o(.ctors))
    /* We don't want to include the .ctor section from
       the crtend.o file until after the sorted ctors.
       The .ctor section from the crtend file contains the
       end of ctors marker and it must be last */
    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
    KEEP (*(SORT(.ctors.*)))
    KEEP (*(.ctors))
  }
  .dtors          :
  {
    KEEP (*crtbegin.o(.dtors))
    KEEP (*crtbegin?.o(.dtors))
    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
    KEEP (*(SORT(.dtors.*)))
    KEEP (*(.dtors))
  }
  .jcr            : { KEEP (*(.jcr)) }
  .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }
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  .got            : { *(.got) *(.igot) }
  . = DATA_SEGMENT_RELRO_END (SIZEOF (.got.plt) >= 24 ? 24 : 0, .);
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  .data           :
  {
    *(.data .data.* .gnu.linkonce.d.*)
    SORT(CONSTRUCTORS)
  }
  .data1          : { *(.data1) }
  _edata = .; PROVIDE (edata = .);
  . = .;
  __bss_start = .;
  .bss            :
  {
   *(.dynbss)
   *(.bss .bss.* .gnu.linkonce.b.*)
   *(COMMON)
   /* Align here to ensure that the .bss section occupies space up to
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      FIXME: Why do we need it? When there is no .bss section, we don't
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   . = ALIGN(. != 0 ? 64 / 8 : 1);
  }
  .lbss   :
  {
    *(.dynlbss)
    *(.lbss .lbss.* .gnu.linkonce.lb.*)
    *(LARGE_COMMON)
  }
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  .lrodata   ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) :
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  .ldata   ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) :
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    *(.ldata .ldata.* .gnu.linkonce.l.*)
    . = ALIGN(. != 0 ? 64 / 8 : 1);
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  . = ALIGN(64 / 8);
  _end = .; PROVIDE (end = .);
  .rtemsstack (NOLOAD) :
  {
    *(SORT(.rtemsstack.*))
  }
  WorkAreaBase = .;
  . = DATA_SEGMENT_END (.);
  /* Stabs debugging sections.  */

  .stab          0 : { *(.stab) }
  .stabstr       0 : { *(.stabstr) }
  .stab.excl     0 : { *(.stab.excl) }
  .stab.exclstr  0 : { *(.stab.exclstr) }
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  .stab.indexstr 0 : { *(.stab.indexstr) }
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  /* DWARF debug sections.
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  /* DWARF 1 */
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  /* GNU DWARF 1 extensions */
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  /* DWARF 2 */
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  /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }
}