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      1  1.18    simonb /*	$NetBSD: kern.ldscript,v 1.18 2021/04/23 08:42:26 simonb Exp $	*/
      2   1.2       mrg 
      3  1.17  uebayasi #undef sparc
      4  1.17  uebayasi 
      5   1.2       mrg /*
      6   1.2       mrg  * Kernel linker script for NetBSD/sparc64.  This script is based on
      7   1.2       mrg  * elf64_sparc.xn, but puts _etext after all of the read-only sections.
      8   1.2       mrg  */
      9   1.1       mrg OUTPUT_FORMAT("elf64-sparc", "elf64-sparc",
     10   1.1       mrg 	      "elf64-sparc")
     11   1.1       mrg OUTPUT_ARCH(sparc:v9)
     12   1.1       mrg ENTRY(_start)
     13   1.1       mrg /* Do we need any of these for elf?
     14   1.1       mrg    __DYNAMIC = 0;    */
     15   1.1       mrg SECTIONS
     16   1.1       mrg {
     17   1.1       mrg   /* Read-only sections, merged into text segment: */
     18   1.6    martin   . = 0x100000 + SIZEOF_HEADERS;
     19   1.1       mrg   .text      :
     20   1.1       mrg   {
     21   1.1       mrg     *(.text)
     22  1.18    simonb     *(.text.*)
     23   1.1       mrg     *(.stub)
     24   1.1       mrg     /* .gnu.warning sections are handled specially by elf32.em.  */
     25   1.1       mrg     *(.gnu.warning)
     26   1.1       mrg     *(.gnu.linkonce.t*)
     27   1.1       mrg   } =0x01000000
     28   1.1       mrg   .rodata    : { *(.rodata) *(.gnu.linkonce.r*) }
     29   1.1       mrg   .rodata1   : { *(.rodata1) }
     30   1.2       mrg   _etext = .;
     31   1.2       mrg   PROVIDE (etext = .);
     32   1.9       chs   /* Adjust the address for the data segment.  We push the data segment
     33   1.9       chs      up to the next 4MB boundary so that we can map the text with large
     34   1.9       chs      pages. */
     35   1.9       chs   . = ALIGN(0x400000);
     36   1.2       mrg   kernel_data_start = .;
     37   1.1       mrg   .data    :
     38   1.1       mrg   {
     39   1.1       mrg     *(.data)
     40   1.1       mrg     *(.gnu.linkonce.d*)
     41   1.1       mrg     CONSTRUCTORS
     42   1.1       mrg   }
     43   1.1       mrg   .data1   : { *(.data1) }
     44  1.11       mjf   . = ALIGN(64);	/* COHERENCY_UNIT */
     45  1.11       mjf   .data.cacheline_aligned	: { *(.data.cacheline_aligned) }
     46  1.11       mjf   . = ALIGN(64);	/* COHERENCY_UNIT */
     47  1.11       mjf   .data.read_mostly		: { *(.data.read_mostly) }
     48  1.11       mjf   . = ALIGN(64);	/* COHERENCY_UNIT */
     49   1.1       mrg   .plt      : { *(.plt)	}
     50   1.1       mrg   .got           : { *(.got.plt) *(.got) }
     51   1.1       mrg   .dynamic       : { *(.dynamic) }
     52   1.1       mrg   /* We want the small data sections together, so single-instruction offsets
     53   1.1       mrg      can access them all, and initialized data all before uninitialized, so
     54   1.1       mrg      we can shorten the on-disk segment size.  */
     55   1.1       mrg   .sdata     : { *(.sdata) }
     56   1.1       mrg   _edata  =  .;
     57   1.1       mrg   PROVIDE (edata = .);
     58   1.1       mrg   __bss_start = .;
     59   1.1       mrg   .sbss      : { *(.sbss) *(.scommon) }
     60   1.1       mrg   .bss       :
     61   1.1       mrg   {
     62  1.12  uebayasi     *(.dynbss)
     63  1.12  uebayasi     *(.bss)
     64  1.12  uebayasi     *(COMMON)
     65   1.1       mrg   }
     66   1.1       mrg   . = ALIGN(64 / 8);
     67   1.1       mrg   _end = . ;
     68   1.1       mrg   PROVIDE (end = .);
     69   1.8    martin   .note.netbsd.ident :
     70   1.8    martin   {
     71   1.8    martin     KEEP(*(.note.netbsd.ident));
     72   1.8    martin   }
     73   1.1       mrg }
     74