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kern.ldscript revision 1.4.16.2 
      1 /* $NetBSD: kern.ldscript,v 1.4.16.2 2017/12/03 11:36:36 jdolecek Exp $ */
      2 
      3 /*  ldscript for NetBSD/powerpc kernels and LKMs, based on elf32ppc.x */
      4 OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc",
      5 	      "elf32-powerpc")
      6 OUTPUT_ARCH(powerpc:common)
      7 ENTRY(_start)
      8 /* Do we need any of these?
      9    __DYNAMIC = 0;    */
     10 _DYNAMIC_LINK = 0;
     11 SECTIONS
     12 {
     13   /*  Read-only sections, merged into text segment.  Assumes the
     14       kernel Makefile sets the start address via -Ttext.  */
     15   .text      :
     16   {
     17     _ftext = . ;
     18     PROVIDE_HIDDEN (__eprol = .);
     19     *(.text)
     20     *(.text.unlikely .text.*_unlikely)
     21     *(.text.exit .text.exit.*)
     22     *(.text.startup .text.startup.*)
     23     *(.text.hot .text.hot.*)
     24     *(.text.* .gnu.linkonce.t.*)
     25     __stub_start = .;
     26     *(.stub)
     27     __stub_end = .;
     28     __stub_pmap_start = .;
     29     *(.stub.pmap)
     30     __stub_pmap_end = .;
     31     /* .gnu.warning sections are handled specially by elf32.em.  */
     32     *(.gnu.warning)
     33     *(.glink)
     34   } =0
     35   _etext = .;
     36   PROVIDE (__etext = .);
     37   PROVIDE (_etext = .);
     38   PROVIDE (etext = .);
     39   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
     40   .rodata1        : { *(.rodata1) }
     41   .sdata2         :
     42   {
     43     PROVIDE (_SDA2_BASE_ = 32768);
     44     *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
     45   }
     46   .sbss2          : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) }
     47   /*.jcr            : { KEEP (*(.jcr)) } */ /* XXX??? */
     48   .reginfo : { *(.reginfo) }
     49 /*  . = . + 0x1000; */
     50   .data           :
     51   {
     52     _fdata = . ;
     53     *(.data .data.* .gnu.linkonce.d.*)
     54     SORT(CONSTRUCTORS)
     55   }
     56   .data1          : { *(.data1) }
     57   . = ALIGN(32);	/* COHERENCY UNIT */
     58   .data.cacheline_aligned	: { *(.data.cacheline_aligned) }
     59   . = ALIGN(32);	/* COHERENCY UNIT */
     60   .data.read_mostly		: { *(.data.read_mostly) }
     61   . = ALIGN(32);	/* COHERENCY UNIT */
     62   _gp = ALIGN(16) + 0x7ff0;
     63   .lit8 : { *(.lit8) }
     64   .lit4 : { *(.lit4) }
     65   .sdata          :
     66   {
     67     PROVIDE (_SDA_BASE_ = 32768);
     68     *(.sdata .sdata.* .gnu.linkonce.s.*)
     69   }
     70   _edata = .; PROVIDE (edata = .);
     71   . = .;
     72   __bss_start = .;
     73   _fbss = .;
     74   .sbss           :
     75   {
     76     PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .);
     77     *(.dynsbss)
     78     *(.sbss .sbss.* .gnu.linkonce.sb.*)
     79     *(.scommon)
     80     PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .);
     81   }
     82   .bss            :
     83   {
     84     *(.dynbss)
     85     *(.bss .bss.* .gnu.linkonce.b.*)
     86     *(COMMON)
     87     /* Align here to ensure that the .bss section occupies space up to
     88        _end.  Align after .bss to ensure correct alignment even if the
     89        .bss section disappears because there are no input sections.
     90        FIXME: Why do we need it? When there is no .bss section, we don't
     91        pad the .data section.  */
     92     . = ALIGN(. != 0 ? 32 / 8 : 1);
     93   }
     94   . = ALIGN(32 / 8);
     95   . = ALIGN(32 / 8);
     96   __end = .;
     97   _end = .; PROVIDE (end = .);
     98   /* . = DATA_SEGMENT_END (.); */
     99 }
    100