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      :
  53   {
  54     *(.rel.plt)
  55     PROVIDE (__rel_iplt_start = .);
  56     *(.rel.iplt)
  57     PROVIDE (__rel_iplt_end = .);
  58   }
  59   .rela.plt       :
  60   {
  61     *(.rela.plt)
  62     PROVIDE (__rela_iplt_start = .);
  63     *(.rela.iplt)
  64     PROVIDE (__rela_iplt_end = .);
  65   }
  66   .init           :
  67   {
  68     KEEP (*(.init))
  69   } =0
  70   .text           :
  71   {
  72     *(.text .stub .text.* .gnu.linkonce.t.*)
  73     KEEP (*(.text.*personality*))
  74     /* .gnu.warning sections are handled specially by elf32.em.  */
  75     *(.gnu.warning)
  76     *(.glink)
  77   } =0x47ff041f
  78   .fini           :
  79   {
  80     KEEP (*(.fini))
  81   } =0x47ff041f
  82   PROVIDE (__etext = .);
  83   PROVIDE (_etext = .);
  84   PROVIDE (etext = .);
  85   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
  86   .rodata1        : { *(.rodata1) }
  87   .sdata2         :
  88   {
  89     PROVIDE (_SDA2_BASE_ = 32768);
  90     *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
  91   }
  92   .sbss2          : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) }
  93   .eh_frame_hdr : { *(.eh_frame_hdr) }
  94   /* Adjust the address for the data segment.  We want to adjust up to
  95      the same address within the page on the next page up.  */
  96   . = ALIGN (0x10000) - ((0x10000 - .) & (0x10000 - 1)); . = DATA_SEGMENT_ALIGN (0x10000, 0x1000);
  97   /* Exception handling  */
  98   .eh_frame       : { KEEP (*(.eh_frame)) }
  99   .gcc_except_table   : { *(.gcc_except_table .gcc_except_table.*) }
 100   /* Thread Local Storage sections  */
 101   .tdata          : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
 102   .tbss           : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
 103   .preinit_array     :
 104   {
 105     PROVIDE (__preinit_array_start = .);
 106     KEEP (*(.preinit_array))
 107     PROVIDE (__preinit_array_end = .);
 108   }
 109   .init_array     :
 110   {
 111      PROVIDE (__init_array_start = .);
 112      KEEP (*(SORT(.init_array.*)))
 113      KEEP (*(.init_array))
 114      PROVIDE (__init_array_end = .);
 115   }
 116   .fini_array     :
 117   {
 118     PROVIDE (__fini_array_start = .);
 119     KEEP (*(.fini_array))
 120     KEEP (*(SORT(.fini_array.*)))
 121     PROVIDE (__fini_array_end = .);
 122   }
 123   .ctors          :
 124   {
 125     /* gcc uses crtbegin.o to find the start of
 126        the constructors, so we make sure it is
 127        first.  Because this is a wildcard, it
 128        doesn't matter if the user does not
 129        actually link against crtbegin.o; the
 130        linker won't look for a file to match a
 131        wildcard.  The wildcard also means that it
 132        doesn't matter which directory crtbegin.o
 133        is in.  */
 134     KEEP (*crtbegin*.o(.ctors))
 135     /* We don't want to include the .ctor section from
 136        the crtend.o file until after the sorted ctors.
 137        The .ctor section from the crtend file contains the
 138        end of ctors marker and it must be last */
 139     KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors))
 140     KEEP (*(SORT(.ctors.*)))
 141     KEEP (*(.ctors))
 142   }
 143   .dtors          :
 144   {
 145     KEEP (*crtbegin*.o(.dtors))
 146     KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
 147     KEEP (*(SORT(.dtors.*)))
 148     KEEP (*(.dtors))
 149   }
 150   .jcr            : { KEEP (*(.jcr)) }
 151   .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
 152   .got1           : { *(.got1) }
 153   .got2           : { *(.got2) }
 154   .dynamic        : { *(.dynamic) }
 155   .got            : SPECIAL { *(.got) }
 156   . = DATA_SEGMENT_RELRO_END (0, .);
 157   .plt            : SPECIAL { *(.plt) }
 158   .data           :
 159   {
 160     *(.data .data.* .gnu.linkonce.d.*)
 161     KEEP (*(.gnu.linkonce.d.*personality*))
 162     SORT(CONSTRUCTORS)
 163   }
 164   .data1          : { *(.data1) }
 165   .got            : SPECIAL { *(.got) }
 166   /* We want the small data sections together, so single-instruction offsets
 167      can access them all, and initialized data all before uninitialized, so
 168      we can shorten the on-disk segment size.  */
 169   .sdata          :
 170   {
 171     PROVIDE (_SDA_BASE_ = 32768);
 172     *(.sdata .sdata.* .gnu.linkonce.s.*)
 173   }
 174   _edata = .; PROVIDE (edata = .);
 175   __bss_start = .;
 176   .sbss           :
 177   {
 178     PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .);
 179     *(.dynsbss)
 180     *(.sbss .sbss.* .gnu.linkonce.sb.*)
 181     *(.scommon)
 182     PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .);
 183   }
 184   .plt            : SPECIAL { *(.plt) }
 185   .bss            :
 186   {
 187    *(.dynbss)
 188    *(.bss .bss.* .gnu.linkonce.b.*)
 189    *(COMMON)
 190    /* Align here to ensure that the .bss section occupies space up to
 191       _end.  Align after .bss to ensure correct alignment even if the
 192       .bss section disappears because there are no input sections.
 193       FIXME: Why do we need it? When there is no .bss section, we don't
 194       pad the .data section.  */
 195    . = ALIGN(. != 0 ? 32 / 8 : 1);
 196   }
 197   . = ALIGN(32 / 8);
 198   . = ALIGN(32 / 8);
 199   _end = .; PROVIDE (end = .);
 200   . = DATA_SEGMENT_END (.);
 201   /* Stabs debugging sections.  */
 202   .stab 0 : { *(.stab) }
 203   .stabstr 0 : { *(.stabstr) }
 204   .stab.excl 0 : { *(.stab.excl) }
 205   .stab.exclstr 0 : { *(.stab.exclstr) }
 206   .stab.index 0 : { *(.stab.index) }
 207   .stab.indexstr 0 : { *(.stab.indexstr) }
 208   .comment 0 : { *(.comment) }
 209   /* DWARF debug sections.
 210      Symbols in the DWARF debugging sections are relative to the beginning
 211      of the section so we begin them at 0.  */
 212   /* DWARF 1 */
 213   .debug          0 : { *(.debug) }
 214   .line           0 : { *(.line) }
 215   /* GNU DWARF 1 extensions */
 216   .debug_srcinfo  0 : { *(.debug_srcinfo) }
 217   .debug_sfnames  0 : { *(.debug_sfnames) }
 218   /* DWARF 1.1 and DWARF 2 */
 219   .debug_aranges  0 : { *(.debug_aranges) }
 220   .debug_pubnames 0 : { *(.debug_pubnames) }
 221   /* DWARF 2 */
 222   .debug_info     0 : { *(.debug_info) }
 223   .debug_abbrev   0 : { *(.debug_abbrev) }
 224   .debug_line     0 : { *(.debug_line) }
 225   .debug_frame    0 : { *(.debug_frame) }
 226   .debug_str      0 : { *(.debug_str) }
 227   .debug_loc      0 : { *(.debug_loc) }
 228   .debug_macinfo  0 : { *(.debug_macinfo) }
 229   /* SGI/MIPS DWARF 2 extensions */
 230   .debug_weaknames 0 : { *(.debug_weaknames) }
 231   .debug_funcnames 0 : { *(.debug_funcnames) }
 232   .debug_typenames 0 : { *(.debug_typenames) }
 233   .debug_varnames  0 : { *(.debug_varnames) }
 234   /* These must appear regardless of  .  */
 235   /DISCARD/    : { *(.fixup) }
 236   /DISCARD/ : { *(.note.GNU-stack) }
 237 }