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kern.ldscript revision 1.9 
      1  1.7  uebayasi /* $NetBSD: kern.ldscript,v 1.9 2015/08/24 08:13:07 uebayasi Exp $ */
      2  1.2      matt 
      3  1.6       mrg /*  ldscript for NetBSD/powerpc kernels and LKMs, based on elf32ppc.x */
      4  1.6       mrg OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc",
      5  1.6       mrg 	      "elf32-powerpc")
      6  1.6       mrg OUTPUT_ARCH(powerpc:common)
      7  1.2      matt ENTRY(_start)
      8  1.2      matt /* Do we need any of these?
      9  1.2      matt    __DYNAMIC = 0;    */
     10  1.2      matt _DYNAMIC_LINK = 0;
     11  1.2      matt SECTIONS
     12  1.2      matt {
     13  1.2      matt   /*  Read-only sections, merged into text segment.  Assumes the
     14  1.2      matt       kernel Makefile sets the start address via -Ttext.  */
     15  1.2      matt   .text      :
     16  1.2      matt   {
     17  1.2      matt     _ftext = . ;
     18  1.6       mrg     PROVIDE_HIDDEN (__eprol = .);
     19  1.2      matt     *(.text)
     20  1.6       mrg     *(.text.unlikely .text.*_unlikely)
     21  1.6       mrg     *(.text.exit .text.exit.*)
     22  1.6       mrg     *(.text.startup .text.startup.*)
     23  1.6       mrg     *(.text.hot .text.hot.*)
     24  1.6       mrg     *(.text.* .gnu.linkonce.t.*)
     25  1.2      matt     __stub_start = .;
     26  1.2      matt     *(.stub)
     27  1.2      matt     __stub_end = .;
     28  1.4      matt     __stub_pmap_start = .;
     29  1.4      matt     *(.stub.pmap)
     30  1.4      matt     __stub_pmap_end = .;
     31  1.6       mrg     /* .gnu.warning sections are handled specially by elf32.em.  */
     32  1.2      matt     *(.gnu.warning)
     33  1.6       mrg     *(.glink)
     34  1.2      matt   } =0
     35  1.2      matt   _etext = .;
     36  1.6       mrg   PROVIDE (__etext = .);
     37  1.6       mrg   PROVIDE (_etext = .);
     38  1.2      matt   PROVIDE (etext = .);
     39  1.6       mrg   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
     40  1.6       mrg   .rodata1        : { *(.rodata1) }
     41  1.6       mrg   .sdata2         :
     42  1.6       mrg   {
     43  1.6       mrg     PROVIDE (_SDA2_BASE_ = 32768);
     44  1.6       mrg     *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
     45  1.6       mrg   }
     46  1.6       mrg   .sbss2          : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) }
     47  1.6       mrg   /*.jcr            : { KEEP (*(.jcr)) } */ /* XXX??? */
     48  1.2      matt   .reginfo : { *(.reginfo) }
     49  1.2      matt /*  . = . + 0x1000; */
     50  1.6       mrg   .data           :
     51  1.2      matt   {
     52  1.2      matt     _fdata = . ;
     53  1.6       mrg     *(.data .data.* .gnu.linkonce.d.*)
     54  1.6       mrg     SORT(CONSTRUCTORS)
     55  1.2      matt   }
     56  1.6       mrg   .data1          : { *(.data1) }
     57  1.3      matt   . = ALIGN(32);	/* COHERENCY UNIT */
     58  1.3      matt   .data.cacheline_aligned	: { *(.data.cacheline_aligned) }
     59  1.3      matt   . = ALIGN(32);	/* COHERENCY UNIT */
     60  1.3      matt   .data.read_mostly		: { *(.data.read_mostly) }
     61  1.3      matt   . = ALIGN(32);	/* COHERENCY UNIT */
     62  1.2      matt   _gp = ALIGN(16) + 0x7ff0;
     63  1.2      matt   .lit8 : { *(.lit8) }
     64  1.2      matt   .lit4 : { *(.lit4) }
     65  1.6       mrg   .sdata          :
     66  1.6       mrg   {
     67  1.6       mrg     PROVIDE (_SDA_BASE_ = 32768);
     68  1.6       mrg     *(.sdata .sdata.* .gnu.linkonce.s.*)
     69  1.6       mrg   }
     70  1.6       mrg   _edata = .; PROVIDE (edata = .);
     71  1.6       mrg   . = .;
     72  1.2      matt   __bss_start = .;
     73  1.2      matt   _fbss = .;
     74  1.6       mrg   .sbss           :
     75  1.2      matt   {
     76  1.6       mrg     PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .);
     77  1.6       mrg     *(.dynsbss)
     78  1.6       mrg     *(.sbss .sbss.* .gnu.linkonce.sb.*)
     79  1.6       mrg     *(.scommon)
     80  1.6       mrg     PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .);
     81  1.6       mrg   }
     82  1.6       mrg   .bss            :
     83  1.6       mrg   {
     84  1.7  uebayasi     *(.dynbss)
     85  1.7  uebayasi     *(.bss .bss.* .gnu.linkonce.b.*)
     86  1.7  uebayasi     *(COMMON)
     87  1.7  uebayasi     /* Align here to ensure that the .bss section occupies space up to
     88  1.7  uebayasi        _end.  Align after .bss to ensure correct alignment even if the
     89  1.7  uebayasi        .bss section disappears because there are no input sections.
     90  1.7  uebayasi        FIXME: Why do we need it? When there is no .bss section, we don't
     91  1.7  uebayasi        pad the .data section.  */
     92  1.7  uebayasi     . = ALIGN(. != 0 ? 32 / 8 : 1);
     93  1.2      matt   }
     94  1.6       mrg   . = ALIGN(32 / 8);
     95  1.6       mrg   . = ALIGN(32 / 8);
     96  1.6       mrg   __end = .;
     97  1.6       mrg   _end = .; PROVIDE (end = .);
     98  1.6       mrg   /* . = DATA_SEGMENT_END (.); */
     99  1.2      matt }
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