Subversion Repositories openrisc_2011-10-31

/* Linker script forJMR 3904 board */

ENTRY(_start)

STARTUP(crt0.o)

OUTPUT_ARCH("mips:3000")

OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-littlemips")

GROUP(-lc -ljmr3904 -lgcc)

SEARCH_DIR(.)

__DYNAMIC  =  0;

PROVIDE (_mem_size = 0x100000); /* JMR3904 comes as standard with 512k of RAM */

/* PROVIDE (__global = 0); */

/*

 * Initalize some symbols to be zero so we can reference them in the

 * crt0 without core dumping. These functions are all optional, but

 * we do this so we can have our crt0 always use them if they exist.

 * This is so BSPs work better when using the crt0 installed with gcc.

 * We have to initalize them twice, so we multiple object file

 * formats, as some prepend an underscore.

 */

PROVIDE (hardware_exit_hook = 0);

PROVIDE (hardware_hazard_hook = 0);

PROVIDE (hardware_init_hook = 0);

PROVIDE (software_init_hook = 0);

SECTIONS

{

  . = 0x80008000;

      /* This is NOT the address which fits with the monitor from jmr. */

      /* It fits the Cygmon ROMS */

  .text : {

     _ftext = . ;

    KEEP (*(.init))

     eprol  =  .;

    *(.text)

    *(.text.*)

    *(.gnu.linkonce.t.*)

    *(.mips16.fn.*)

    *(.mips16.call.*)

    PROVIDE (__runtime_reloc_start = .);

    *(.rel.sdata)

    PROVIDE (__runtime_reloc_stop = .);

    KEEP (*(.fini))

     etext  =  .;

     _etext  =  .;

  }

  .eh_frame_hdr : { *(.eh_frame_hdr) }

  .eh_frame : { KEEP (*(.eh_frame)) }

  .gcc_except_table : { *(.gcc_except_table) }

  .jcr : { KEEP (*(.jcr)) }

  .ctors    :

  {

    /* gcc uses crtbegin.o to find the start of

       the constructors, so we make sure it is

       first.  Because this is a wildcard, it

       doesn't matter if the user does not

       actually link against crtbegin.o; the

       linker won't look for a file to match a

       wildcard.  The wildcard also means that it

       doesn't matter which directory crtbegin.o

       is in.  */

    KEEP (*crtbegin.o(.ctors))

    /* We don't want to include the .ctor section from

       from the crtend.o file until after the sorted ctors.

       The .ctor section from the crtend file contains the

       end of ctors marker and it must be last */

    KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))

    KEEP (*(SORT(.ctors.*)))

    KEEP (*(.ctors))

  }

  .dtors    :

  {

    KEEP (*crtbegin.o(.dtors))

    KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))

    KEEP (*(SORT(.dtors.*)))

    KEEP (*(.dtors))

  }

  . = .;

  .rodata : {

    *(.rdata)

    *(.rodata)

    *(.rodata.*)

    *(.gnu.linkonce.r.*)

  }

   _fdata = ALIGN(16);

  .data : {

    *(.data)

    *(.data.*)

    *(.gnu.linkonce.d.*)

  }

  . = ALIGN(8);

  _gp = . + 0x8000;

  __global = _gp;

  .lit8 : {

    *(.lit8)

  }

  .lit4 : {

    *(.lit4)

  }

  .sdata : {

    *(.sdata)

    *(.sdata.*)

    *(.gnu.linkonce.s.*)

  }

  . = ALIGN(4);

   edata  =  .;

   _edata  =  .;

   _fbss = .;

  .sbss : {

    *(.sbss)

    *(.sbss.*)

    *(.gnu.linkonce.sb.*)

    *(.scommon)

  }

  .bss : {

    _bss_start = . ;

    *(.bss)

    *(.bss.*)

    *(.gnu.linkonce.b.*)

    *(COMMON)

    . += 0x2000 ;  /* 8k bytes of stack. */

    __stack = ALIGN(64) ;

    . = __stack ;

  }

   end = .;

   _end = .;

  /* DWARF debug sections.

     Symbols in the DWARF debugging sections are relative to

     the beginning of the section so we begin them at 0.  */

  /* DWARF 1 */

  .debug          0 : { *(.debug) }

  .line           0 : { *(.line) }

  /* GNU DWARF 1 extensions */

  .debug_srcinfo  0 : { *(.debug_srcinfo) }

  .debug_sfnames  0 : { *(.debug_sfnames) }

  /* DWARF 1.1 and DWARF 2 */

  .debug_aranges  0 : { *(.debug_aranges) }

  .debug_pubnames 0 : { *(.debug_pubnames) }

  /* DWARF 2 */

  .debug_info     0 : { *(.debug_info) }

  .debug_abbrev   0 : { *(.debug_abbrev) }

  .debug_line     0 : { *(.debug_line) }

  .debug_frame    0 : { *(.debug_frame) }

  .debug_str      0 : { *(.debug_str) }

  .debug_loc      0 : { *(.debug_loc) }

  .debug_macinfo  0 : { *(.debug_macinfo) }

  .debug_ranges   0 : { *(.debug_ranges) }

  /* SGI/MIPS DWARF 2 extensions */

  .debug_weaknames 0 : { *(.debug_weaknames) }

  .debug_funcnames 0 : { *(.debug_funcnames) }

  .debug_typenames 0 : { *(.debug_typenames) }

  .debug_varnames  0 : { *(.debug_varnames) }

}