linkcmds

RTEMS (Real-Time Executive for Multiprocessor Systems) is a free open source real-time operating sys

/*
 * This is an adapted linker script from egcs-1.0.1 
 *
 * Memory layout for an SH 7032 with main memory in area 2
 * This memory layout it very similar to that used for Hitachi's
 * EVB with CMON in rom
 *
 * NOTE: The ram start address may vary, all other start addresses are fixed
 *       Not suiteable for gdb's simulator
 *
 *  Authors: Ralf Corsepius ([e-mail]) and
 *           Bernd Becker ([e-mail])
 *
 *  COPYRIGHT (c) 1997-1998, FAW Ulm, Germany
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 *
 *  COPYRIGHT (c) 1998.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.rtems.com/license/LICENSE.
 *
 *  $Id: linkcmds,v 1.9.2.2 2003/09/04 18:45:23 joel Exp $
 */

OUTPUT_ARCH(sh)
ENTRY(_start)

MEMORY
{
  rom           : o = 0x00000000, l = 128k
  onchip_peri	: o = 0x05000000, l = 512
  ram           : o = 0x0A040000, l = 256k

  onchip_ram    : o = 0x0f000000, l = 8k
}

SECTIONS
{
  /* boot vector table */
  .monvects 0x00000000 (NOLOAD): {
    _monvects = . ;
  } > rom

  /* monitor play area */
  .monram 0x0A040000 (NOLOAD) : 
  {
  _ramstart = .;
  } > ram 

  /* monitor vector table */
  .vects   0x0A042000 (NOLOAD) : {
    _vectab = . ;
    *(.vects);
  }

  /* Read-only sections, merged into text segment: */

  . = 0x0a044000 ;
  .interp        : { *(.interp) 	}
  .hash          : { *(.hash)		}
  .dynsym        : { *(.dynsym)		}
  .dynstr        : { *(.dynstr)		}
  .gnu.version   : { *(.gnu.version)	}
  .gnu.version_d : { *(.gnu.version_d)	}
  .gnu.version_r : { *(.gnu.version_r)	}
  .rel.text      :
    { *(.rel.text) *(.rel.gnu.linkonce.t*) }
  .rela.text     :
    { *(.rela.text) *(.rela.gnu.linkonce.t*) }
  .rel.data      :
    { *(.rel.data) *(.rel.gnu.linkonce.d*) }
  .rela.data     :
    { *(.rela.data) *(.rela.gnu.linkonce.d*) }
  .rel.rodata    :
    { *(.rel.rodata*) *(.rel.gnu.linkonce.r*) }
  .rela.rodata   :
    { *(.rela.rodata) *(.rela.gnu.linkonce.r*) }
  .rel.got       : { *(.rel.got)		}
  .rela.got      : { *(.rela.got)		}
  .rel.ctors     : { *(.rel.ctors)	}
  .rela.ctors    : { *(.rela.ctors)	}
  .rel.dtors     : { *(.rel.dtors)	}
  .rela.dtors    : { *(.rela.dtors)	}
  .rel.init      : { *(.rel.init)	}
  .rela.init     : { *(.rela.init)	}
  .rel.fini      : { *(.rel.fini)	}
  .rela.fini     : { *(.rela.fini)	}
  .rel.bss       : { *(.rel.bss)		}
  .rela.bss      : { *(.rela.bss)		}
  .rel.plt       : { *(.rel.plt)		}
  .rela.plt      : { *(.rela.plt)		}
  .init          : { *(.init)	} =0
  .plt      	 : { *(.plt)	}
  .text   .   	 :
  {
    *(.text)
    *(.stub)

    /*
     * Special FreeBSD sysctl sections.
     */
    . = ALIGN (16);
    __start_set_sysctl_set = .;
    ___start_set_sysctl_set = .;
    *(set_sysc*);   /* set_sysctl_* but name is truncated by SH-coff */
    __stop_set_sysctl_set = ABSOLUTE(.);
    ___stop_set_sysctl_set = ABSOLUTE(.);
    *(set_doma*);   /* set_domain_* but name is truncated by SH-coff */
    *(set_pseu*);   /* set_pseudo_* but name is truncated by SH-coff */

    /* .gnu.warning sections are handled specially by elf32.em.  */
    *(.gnu.warning)
    *(.gnu.linkonce.t*)
  } > ram
  _etext = .;
  PROVIDE (etext = .);
  .fini    .  : { *(.fini)    } =0
  .rodata  .  : { *(.rodata) *(.gnu.linkonce.r*) }
  .rodata1 .  : { *(.rodata1) }
  /* Adjust the address for the data segment.  We want to adjust up to
     the same address within the page on the next page up.  */
  . = ALIGN(128) + (. & (128 - 1));
  .data  .  :
  {
    *(.data)
    *(.gcc_exc*)
    ___EH_FRAME_BEGIN__ = .;
    *(.eh_fram*)
    ___EH_FRAME_END__ = .;
    LONG(0);
    *(.gcc_except_table)
    *(.gnu.linkonce.d*)
    CONSTRUCTORS
  } > ram
  .data1  . : { *(.data1) }
  .ctors  .       :
  {
    ___ctors = .;
    *(.ctors)
    ___ctors_end = .;
  }
  .dtors  .       :
  {
    ___dtors = .;
    *(.dtors)
    ___dtors_end = .;
  }
  .got     .      : { *(.got.plt) *(.got) }
  .dynamic .      : { *(.dynamic) }
  /* We want the small data sections together, so single-instruction offsets
     can access them all, and initialized data all before uninitialized, so
     we can shorten the on-disk segment size.  */
  .sdata   .  : { *(.sdata) }
  _edata  =  .;
  PROVIDE (edata = .);
  __bss_start = .;
  .sbss    .  : { *(.sbss) *(.scommon) }
  .bss     .  :
  {
   *(.dynbss)
   *(.bss)
   *(COMMON)
  } > ram
  _end = . ;
  PROVIDE (end = .);

  _HeapStart = . ;
  . = . + 1024 * 20 ;
  PROVIDE( _HeapEnd = . );

  _WorkSpaceStart = . ;
  . = 0x0a080000 ;
  PROVIDE(_WorkSpaceEnd = .);

  _CPU_Interrupt_stack_low  = 0x0f000000 ;
  _CPU_Interrupt_stack_high = _CPU_Interrupt_stack_low + 4096 ;

  /* Stabs debugging sections.  */
  .stab 0 : { *(.stab) }
  .stabstr 0 : { *(.stabstr) }
  .stab.excl 0 : { *(.stab.excl) }
  .stab.exclstr 0 : { *(.stab.exclstr) }
  .stab.index 0 : { *(.stab.index) }
  .stab.indexstr 0 : { *(.stab.indexstr) }
  .comment 0 : { *(.comment) }
  /* 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) }
  /* 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) }

  .stack 0x0f001ff0 : { _stack = .; *(.stack) } > onchip_ram
  /* These must appear regardless of  .  */
}