xref: /src/sys/arch/sparc64/conf/kern.ldscript

/*	$NetBSD: kern.ldscript,v 1.12 2015/08/20 07:00:49 uebayasi Exp $	*/

/*
 * Kernel linker script for NetBSD/sparc64.  This script is based on
 * elf64_sparc.xn, but puts _etext after all of the read-only sections.
 */
OUTPUT_FORMAT("elf64-sparc", "elf64-sparc",
	      "elf64-sparc")
OUTPUT_ARCH(sparc:v9)
ENTRY(_start)
SEARCH_DIR(/usr/lib);
/* Do we need any of these for elf?
   __DYNAMIC = 0;    */
SECTIONS
{
  /* Read-only sections, merged into text segment: */
  . = 0x100000 + SIZEOF_HEADERS;
  .interp     : { *(.interp) 	}
  .hash          : { *(.hash)		}
  .dynsym        : { *(.dynsym)		}
  .dynstr        : { *(.dynstr)		}
  .gnu.version   : { *(.gnu.version)	}
  .gnu.version_d   : { *(.gnu.version_d)	}
  .gnu.version_r   : { *(.gnu.version_r)	}
  .rel.text      :
    { *(.rel.text) *(.rel.gnu.linkonce.t*) }
  .rela.text     :
    { *(.rela.text) *(.rela.gnu.linkonce.t*) }
  .rel.data      :
    { *(.rel.data) *(.rel.gnu.linkonce.d*) }
  .rela.data     :
    { *(.rela.data) *(.rela.gnu.linkonce.d*) }
  .rel.rodata    :
    { *(.rel.rodata) *(.rel.gnu.linkonce.r*) }
  .rela.rodata   :
    { *(.rela.rodata) *(.rela.gnu.linkonce.r*) }
  .rel.got       : { *(.rel.got)		}
  .rela.got      : { *(.rela.got)		}
  .rel.ctors     : { *(.rel.ctors)	}
  .rela.ctors    : { *(.rela.ctors)	}
  .rel.dtors     : { *(.rel.dtors)	}
  .rela.dtors    : { *(.rela.dtors)	}
  .rel.init      : { *(.rel.init)	}
  .rela.init     : { *(.rela.init)	}
  .rel.fini      : { *(.rel.fini)	}
  .rela.fini     : { *(.rela.fini)	}
  .rel.bss       : { *(.rel.bss)		}
  .rela.bss      : { *(.rela.bss)		}
  .rel.plt       : { *(.rel.plt)		}
  .rela.plt      : { *(.rela.plt)		}
  .init          : { *(.init)	} =0x01000000
  .text      :
  {
    *(.text)
    *(.stub)
    /* .gnu.warning sections are handled specially by elf32.em.  */
    *(.gnu.warning)
    *(.gnu.linkonce.t*)
  } =0x01000000
  .fini      : { *(.fini)    } =0x01000000
  .rodata    : { *(.rodata) *(.gnu.linkonce.r*) }
  .rodata1   : { *(.rodata1) }
  _etext = .;
  PROVIDE (etext = .);
  /* Adjust the address for the data segment.  We push the data segment
     up to the next 4MB boundary so that we can map the text with large
     pages. */
  . = ALIGN(0x400000);
  kernel_data_start = .;
  .data    :
  {
    *(.data)
    *(.gnu.linkonce.d*)
    CONSTRUCTORS
  }
  .data1   : { *(.data1) }
  . = ALIGN(64);	/* COHERENCY_UNIT */
  .data.cacheline_aligned	: { *(.data.cacheline_aligned) }
  . = ALIGN(64);	/* COHERENCY_UNIT */
  .data.read_mostly		: { *(.data.read_mostly) }
  . = ALIGN(64);	/* COHERENCY_UNIT */
  .ctors         :
  {
    *(.ctors)
  }
  .dtors         :
  {
    *(.dtors)
  }
  .plt      : { *(.plt)	}
  .got           : { *(.got.plt) *(.got) }
  .dynamic       : { *(.dynamic) }
  /* We want the small data sections together, so single-instruction offsets
     can access them all, and initialized data all before uninitialized, so
     we can shorten the on-disk segment size.  */
  .sdata     : { *(.sdata) }
  _edata  =  .;
  PROVIDE (edata = .);
  __bss_start = .;
  .sbss      : { *(.sbss) *(.scommon) }
  .bss       :
  {
    *(.dynbss)
    *(.bss)
    *(COMMON)
  }
  . = ALIGN(64 / 8);
  _end = . ;
  PROVIDE (end = .);
  /* Stabs debugging sections.  */
  .stab 0 : { *(.stab) }
  .stabstr 0 : { *(.stabstr) }
  .stab.excl 0 : { *(.stab.excl) }
  .stab.exclstr 0 : { *(.stab.exclstr) }
  .stab.index 0 : { *(.stab.index) }
  .stab.indexstr 0 : { *(.stab.indexstr) }
  .comment 0 : { *(.comment) }
  /* DWARF debug sections.
     Symbols in the DWARF debugging sections are relative to the beginning
     of the section so we begin them at 0.  */
  /* DWARF 1 */
  .debug          0 : { *(.debug) }
  .line           0 : { *(.line) }
  /* GNU DWARF 1 extensions */
  .debug_srcinfo  0 : { *(.debug_srcinfo) }
  .debug_sfnames  0 : { *(.debug_sfnames) }
  /* DWARF 1.1 and DWARF 2 */
  .debug_aranges  0 : { *(.debug_aranges) }
  .debug_pubnames 0 : { *(.debug_pubnames) }
  /* DWARF 2 */
  .debug_info     0 : { *(.debug_info) }
  .debug_abbrev   0 : { *(.debug_abbrev) }
  .debug_line     0 : { *(.debug_line) }
  .debug_frame    0 : { *(.debug_frame) }
  .debug_str      0 : { *(.debug_str) }
  .debug_loc      0 : { *(.debug_loc) }
  .debug_macinfo  0 : { *(.debug_macinfo) }
  /* SGI/MIPS DWARF 2 extensions */
  .debug_weaknames 0 : { *(.debug_weaknames) }
  .debug_funcnames 0 : { *(.debug_funcnames) }
  .debug_typenames 0 : { *(.debug_typenames) }
  .debug_varnames  0 : { *(.debug_varnames) }
  /* These must appear regardless of  .  */
  .note.netbsd.ident :
  {
    KEEP(*(.note.netbsd.ident));
  }
}