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kern32.ldscript revision 1.17 
      1 /*	$NetBSD: kern32.ldscript,v 1.17 2016/03/25 14:58:53 nakayama Exp $	*/
      2 
      3 #undef sparc
      4 
      5 /*
      6  * Kernel linker script for NetBSD/sparc.  This script is based on
      7  * elf32_sparc.xn, but puts _etext after all of the read-only sections.
      8  */
      9 
     10 OUTPUT_FORMAT("elf32-sparc", "elf32-sparc",
     11 	      "elf32-sparc")
     12 OUTPUT_ARCH(sparc)
     13 ENTRY(_start)
     14 /* Do we need any of these for elf?
     15    __DYNAMIC = 0;    */
     16 SECTIONS
     17 {
     18   /* Read-only sections, merged into text segment: */
     19   . = 0x10000 + SIZEOF_HEADERS;
     20   .text      :
     21   {
     22     *(.text)
     23     *(.stub)
     24     /* .gnu.warning sections are handled specially by elf32.em.  */
     25     *(.gnu.warning)
     26     *(.gnu.linkonce.t*)
     27   } =0
     28   .rodata    : { *(.rodata) *(.gnu.linkonce.r*) }
     29   .rodata1   : { *(.rodata1) }
     30   _etext = .;
     31   PROVIDE (etext = .);
     32   /* Adjust the address for the data segment.  We push the data segment
     33      up to the next 4MB boundary so that we can map the text with large
     34      pages. */
     35   . = ALIGN(0x400000);
     36   kernel_data_start = .;
     37   .data    :
     38   {
     39     *(.data)
     40     *(.gnu.linkonce.d*)
     41     CONSTRUCTORS
     42   }
     43   .data1   : { *(.data1) }
     44   . = ALIGN(64);	/* COHERENCY_UNIT */
     45   .data.cacheline_aligned : { *(.data.cacheline_aligned) }
     46   . = ALIGN(64);	/* COHERENCY_UNIT */
     47   .data.read_mostly : { *(.data.read_mostly) }
     48   . = ALIGN(64);	/* COHERENCY_UNIT */
     49   .plt      : { *(.plt)	}
     50   .got           : { *(.got.plt) *(.got) }
     51   .dynamic       : { *(.dynamic) }
     52   /* We want the small data sections together, so single-instruction offsets
     53      can access them all, and initialized data all before uninitialized, so
     54      we can shorten the on-disk segment size.  */
     55   .sdata     : { *(.sdata) }
     56   _edata  =  .;
     57   PROVIDE (edata = .);
     58   __bss_start = .;
     59   .sbss      : { *(.sbss) *(.scommon) }
     60   .bss       :
     61   {
     62     *(.dynbss)
     63     *(.bss)
     64     *(COMMON)
     65   }
     66   . = ALIGN(32 / 8);
     67   _end = . ;
     68   PROVIDE (end = .);
     69   .note.netbsd.ident :
     70   {
     71     KEEP(*(.note.netbsd.ident));
     72   }
     73 }
     74