NetBSD/sys/arch/i386/conf/kern.ldscript.4MB

/*	$NetBSD: kern.ldscript.4MB,v 1.1 2000/09/07 06:36:24 thorpej Exp $	*/

/*
 * Kernel linker script for NetBSD/i386 which generates a kernel
 * image suitable for mapping with large (2MB/4MB) pages.  This
 * script is based on elf_i386.x.
 */

OUTPUT_FORMAT("elf32-i386", "elf32-i386",
	      "elf32-i386")
OUTPUT_ARCH(i386)
ENTRY(_start)
SEARCH_DIR(/usr/lib);
/* Do we need any of these for elf?
   __DYNAMIC = 0;    */
SECTIONS
{
  /* Read-only sections, merged into text segment: */
  . = 0x08048000 + 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)	} =0x9090
  .plt      : { *(.plt)	}
  .text      :
  {
    *(.text)
    *(.stub)
    /* .gnu.warning sections are handled specially by elf32.em.  */
    *(.gnu.warning)
    *(.gnu.linkonce.t*)
  } =0x9090
  _etext = .;
  PROVIDE (etext = .);
  .fini      : { *(.fini)    } =0x9090
  .rodata    : { *(.rodata) *(.gnu.linkonce.r*) }
  .rodata1   : { *(.rodata1) }
  /* 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.  We then scoot forward to the distance we are within the
     current page.  (Why, I don't know, but the default elf_i386.x
     does this.  --thorpej)  */
  . = ALIGN(0x400000) + (. & (0x1000 - 1));
  .data    :
  {
    *(.data)
    *(.gnu.linkonce.d*)
    CONSTRUCTORS
  }
  .data1   : { *(.data1) }
  .ctors         :
  {
    *(.ctors)
  }
  .dtors         :
  {
    *(.dtors)
  }
  .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(32 / 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  .  */
}