ppc.ld

   1 /* ld script to make i386 Linux kernel
   2  * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>;
   3  */
   4 OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
   5 OUTPUT_ARCH(powerpc:common)
   6 ENTRY(_start)
   7 SECTIONS
   8 {
   9   /* Read-only sections, merged into text segment: */
  10   . = 0x60000000 + SIZEOF_HEADERS;
  11   .interp     : { *(.interp)    }
  12   .hash          : { *(.hash)           }
  13   .dynsym        : { *(.dynsym)         }
  14   .dynstr        : { *(.dynstr)         }
  15   .gnu.version   : { *(.gnu.version)    }
  16   .gnu.version_d   : { *(.gnu.version_d)        }
  17   .gnu.version_r   : { *(.gnu.version_r)        }
  18   .rel.init       : { *(.rel.init) }
  19   .rela.init      : { *(.rela.init) }
  20   .rel.text       : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
  21   .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
  22   .rel.fini       : { *(.rel.fini) }
  23   .rela.fini      : { *(.rela.fini) }
  24   .rel.rodata     : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
  25   .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
  26   .rel.data.rel.ro   : { *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*) }
  27   .rela.data.rel.ro   : { *(.rela.data.rel.ro* .rela.gnu.linkonce.d.rel.ro.*) }
  28   .rel.data       : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
  29   .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
  30   .rel.tdata      : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
  31   .rela.tdata     : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
  32   .rel.tbss       : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
  33   .rela.tbss      : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
  34   .rel.ctors      : { *(.rel.ctors) }
  35   .rela.ctors     : { *(.rela.ctors) }
  36   .rel.dtors      : { *(.rel.dtors) }
  37   .rela.dtors     : { *(.rela.dtors) }
  38   .rel.got        : { *(.rel.got) }
  39   .rela.got       : { *(.rela.got) }
  40   .rela.got1           : { *(.rela.got1) }
  41   .rela.got2           : { *(.rela.got2) }
  42   .rel.sdata      : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) }
  43   .rela.sdata     : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) }
  44   .rel.sbss       : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) }
  45   .rela.sbss      : { *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*) }
  46   .rel.sdata2     : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) }
  47   .rela.sdata2    : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) }
  48   .rel.sbss2      : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) }
  49   .rela.sbss2     : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) }
  50   .rel.bss        : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
  51   .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
  52   .rel.plt        : { *(.rel.plt) }
  53   .rela.plt       : { *(.rela.plt) }
  54   .init           :
  55   {
  56     KEEP (*(.init))
  57   } =0
  58   .text           :
  59   {
  60     *(.text .stub .text.* .gnu.linkonce.t.*)
  61     KEEP (*(.text.*personality*))
  62     /* .gnu.warning sections are handled specially by elf32.em.  */
  63     *(.gnu.warning)
  64     *(.glink)
  65   } =0x47ff041f
  66   .fini           :
  67   {
  68     KEEP (*(.fini))
  69   } =0x47ff041f
  70   PROVIDE (__etext = .);
  71   PROVIDE (_etext = .);
  72   PROVIDE (etext = .);
  73   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
  74   .rodata1        : { *(.rodata1) }
  75   .sdata2         :
  76   {
  77     PROVIDE (_SDA2_BASE_ = 32768);
  78     *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
  79   }
  80   .sbss2          : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) }
  81   .eh_frame_hdr : { *(.eh_frame_hdr) }
  82   /* Adjust the address for the data segment.  We want to adjust up to
  83      the same address within the page on the next page up.  */
  84   . = ALIGN (0x10000) - ((0x10000 - .) & (0x10000 - 1)); . = DATA_SEGMENT_ALIGN (0x10000, 0x1000);
  85   /* Exception handling  */
  86   .eh_frame       : { KEEP (*(.eh_frame)) }
  87   .gcc_except_table   : { *(.gcc_except_table .gcc_except_table.*) }
  88   /* Thread Local Storage sections  */
  89   .tdata          : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
  90   .tbss           : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
  91   .preinit_array     :
  92   {
  93     PROVIDE (__preinit_array_start = .);
  94     KEEP (*(.preinit_array))
  95     PROVIDE (__preinit_array_end = .);
  96   }
  97   .init_array     :
  98   {
  99      PROVIDE (__init_array_start = .);
 100      KEEP (*(SORT(.init_array.*)))
 101      KEEP (*(.init_array))
 102      PROVIDE (__init_array_end = .);
 103   }
 104   .fini_array     :
 105   {
 106     PROVIDE (__fini_array_start = .);
 107     KEEP (*(.fini_array))
 108     KEEP (*(SORT(.fini_array.*)))
 109     PROVIDE (__fini_array_end = .);
 110   }
 111   .ctors          :
 112   {
 113     /* gcc uses crtbegin.o to find the start of
 114        the constructors, so we make sure it is
 115        first.  Because this is a wildcard, it
 116        doesn't matter if the user does not
 117        actually link against crtbegin.o; the
 118        linker won't look for a file to match a
 119        wildcard.  The wildcard also means that it
 120        doesn't matter which directory crtbegin.o
 121        is in.  */
 122     KEEP (*crtbegin*.o(.ctors))
 123     /* We don't want to include the .ctor section from
 124        the crtend.o file until after the sorted ctors.
 125        The .ctor section from the crtend file contains the
 126        end of ctors marker and it must be last */
 127     KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors))
 128     KEEP (*(SORT(.ctors.*)))
 129     KEEP (*(.ctors))
 130   }
 131   .dtors          :
 132   {
 133     KEEP (*crtbegin*.o(.dtors))
 134     KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
 135     KEEP (*(SORT(.dtors.*)))
 136     KEEP (*(.dtors))
 137   }
 138   .jcr            : { KEEP (*(.jcr)) }
 139   .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
 140   .got1           : { *(.got1) }
 141   .got2           : { *(.got2) }
 142   .dynamic        : { *(.dynamic) }
 143   .got            : SPECIAL { *(.got) }
 144   . = DATA_SEGMENT_RELRO_END (0, .);
 145   .plt            : SPECIAL { *(.plt) }
 146   .data           :
 147   {
 148     *(.data .data.* .gnu.linkonce.d.*)
 149     KEEP (*(.gnu.linkonce.d.*personality*))
 150     SORT(CONSTRUCTORS)
 151   }
 152   .data1          : { *(.data1) }
 153   .got            : SPECIAL { *(.got) }
 154   /* We want the small data sections together, so single-instruction offsets
 155      can access them all, and initialized data all before uninitialized, so
 156      we can shorten the on-disk segment size.  */
 157   .sdata          :
 158   {
 159     PROVIDE (_SDA_BASE_ = 32768);
 160     *(.sdata .sdata.* .gnu.linkonce.s.*)
 161   }
 162   _edata = .; PROVIDE (edata = .);
 163   __bss_start = .;
 164   .sbss           :
 165   {
 166     PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .);
 167     *(.dynsbss)
 168     *(.sbss .sbss.* .gnu.linkonce.sb.*)
 169     *(.scommon)
 170     PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .);
 171   }
 172   .plt            : SPECIAL { *(.plt) }
 173   .bss            :
 174   {
 175    *(.dynbss)
 176    *(.bss .bss.* .gnu.linkonce.b.*)
 177    *(COMMON)
 178    /* Align here to ensure that the .bss section occupies space up to
 179       _end.  Align after .bss to ensure correct alignment even if the
 180       .bss section disappears because there are no input sections.
 181       FIXME: Why do we need it? When there is no .bss section, we don't
 182       pad the .data section.  */
 183    . = ALIGN(. != 0 ? 32 / 8 : 1);
 184   }
 185   . = ALIGN(32 / 8);
 186   . = ALIGN(32 / 8);
 187   _end = .; PROVIDE (end = .);
 188   . = DATA_SEGMENT_END (.);
 189   /* Stabs debugging sections.  */
 190   .stab 0 : { *(.stab) }
 191   .stabstr 0 : { *(.stabstr) }
 192   .stab.excl 0 : { *(.stab.excl) }
 193   .stab.exclstr 0 : { *(.stab.exclstr) }
 194   .stab.index 0 : { *(.stab.index) }
 195   .stab.indexstr 0 : { *(.stab.indexstr) }
 196   .comment 0 : { *(.comment) }
 197   /* DWARF debug sections.
 198      Symbols in the DWARF debugging sections are relative to the beginning
 199      of the section so we begin them at 0.  */
 200   /* DWARF 1 */
 201   .debug          0 : { *(.debug) }
 202   .line           0 : { *(.line) }
 203   /* GNU DWARF 1 extensions */
 204   .debug_srcinfo  0 : { *(.debug_srcinfo) }
 205   .debug_sfnames  0 : { *(.debug_sfnames) }
 206   /* DWARF 1.1 and DWARF 2 */
 207   .debug_aranges  0 : { *(.debug_aranges) }
 208   .debug_pubnames 0 : { *(.debug_pubnames) }
 209   /* DWARF 2 */
 210   .debug_info     0 : { *(.debug_info) }
 211   .debug_abbrev   0 : { *(.debug_abbrev) }
 212   .debug_line     0 : { *(.debug_line) }
 213   .debug_frame    0 : { *(.debug_frame) }
 214   .debug_str      0 : { *(.debug_str) }
 215   .debug_loc      0 : { *(.debug_loc) }
 216   .debug_macinfo  0 : { *(.debug_macinfo) }
 217   /* SGI/MIPS DWARF 2 extensions */
 218   .debug_weaknames 0 : { *(.debug_weaknames) }
 219   .debug_funcnames 0 : { *(.debug_funcnames) }
 220   .debug_typenames 0 : { *(.debug_typenames) }
 221   .debug_varnames  0 : { *(.debug_varnames) }
 222   /* These must appear regardless of  .  */
 223   /DISCARD/    : { *(.fixup) }
 224   /DISCARD/ : { *(.note.GNU-stack) }
 225 }