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

/*	$NetBSD: kern.ldscript,v 1.17 2015/08/25 02:59:00 uebayasi Exp $	*/

#undef sparc

/*
 * 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)
/* Do we need any of these for elf?
   __DYNAMIC = 0;    */
SECTIONS
{
  /* Read-only sections, merged into text segment: */
  . = 0x100000 + SIZEOF_HEADERS;
  .text      :
  {
    *(.text)
    *(.stub)
    /* .gnu.warning sections are handled specially by elf32.em.  */
    *(.gnu.warning)
    *(.gnu.linkonce.t*)
  } =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 */
  .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 = .);
  .note.netbsd.ident :
  {
    KEEP(*(.note.netbsd.ident));
  }
}