path: root/bsps/sh/gensh4/start/linkcmds

/*
 * This file contains GNU linker directives for an general SH4 
 * board.
 *
 * Variations in memory size and allocation can be made by
 * overriding some values with linker command-line arguments.
 *
 * Copyright (C) 2000 OKTET Ltd., St.-Petersburg, Russia
 * Author: Victor V. Vengerov <vvv@oktet.ru>
 *
 * The license and distribution terms for this file may be
 * found in the file LICENSE in this distribution or at
 *
 * http://www.rtems.org/license/LICENSE.
 */


OUTPUT_ARCH(sh)
ENTRY(_start)
STARTUP(start.o)

/* Do we need any of these for elf?
   __DYNAMIC = 0;    */

_RamBase = DEFINED(_RamBase) ? _RamBase : 0x80000000;
_RamSize = DEFINED(_RamSize) ? _RamSize : 4M;
_HeapSize = DEFINED(_HeapSize) ? _HeapSize : 0x0;

/*
 * Area assignments:
 *     Area 0: Flash memory, SRAM interface
 *     Area 1: GDC
 *     Area 2: SDRAM
 *     Area 3-6: unused
 */
MEMORY
{
  ram           : o = 0x88100000, l = 7M
  rom           : o = 0x80000000, l = 4M
}

SECTIONS
{
  /* Read-only sections, merged into text segment: */
  .text      :
  {
    _start = .;
    *(.text*)

    /*
     * Special FreeBSD sysctl sections.
     */
    . = ALIGN (16);
    ___start_set_sysctl_set = .;
    *(set_sysc*);   /* set_sysctl_* but name is truncated by SH-coff */
    ___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
  .rela.dyn       :
    {
      *(.rela.init)
      *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
      *(.rela.fini)
      *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
      *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
      *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
      *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
      *(.rela.ctors)
      *(.rela.dtors)
      *(.rela.got)
      *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*)
      *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*)
      *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*)
      *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*)
      *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
    } >ram
  _etext = .;
  PROVIDE (etext = .);
  .init    .  : { KEEP(*(.init))    } > ram =0
  .fini    .  : { KEEP(*(.fini))    } > ram =0
  .ctors   .  : { KEEP(*(.ctors))    } > ram =0
  .dtors   .  : { KEEP(*(.dtors))    } > ram =0
  .rodata   : 
  { 
    *(.rodata) 
    *(.rodata.*) 
    KEEP (*(SORT(.rtemsroset.*)))
    *(.gnu.linkonce.r*) 
  } > ram
  .tdata : {
    __TLS_Data_begin = .;
    *(.tdata .tdata.* .gnu.linkonce.td.*)
    __TLS_Data_end = .;
  } > ram
  .tbss : {
    __TLS_BSS_begin = .;
    *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
    __TLS_BSS_end = .;
  } > ram
  __TLS_Data_size = __TLS_Data_end - __TLS_Data_begin;
  __TLS_Data_begin = __TLS_Data_size != 0 ? __TLS_Data_begin : __TLS_BSS_begin;
  __TLS_Data_end = __TLS_Data_size != 0 ? __TLS_Data_end : __TLS_BSS_begin;
  __TLS_BSS_size = __TLS_BSS_end - __TLS_BSS_begin;
  __TLS_Size = __TLS_BSS_end - __TLS_Data_begin;
  __TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));

  /* 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    :
  {
    copy_start = .;
    *(.data*)
    KEEP (*(SORT(.rtemsrwset.*)))
    *(.gcc_exc*)
    ___EH_FRAME_BEGIN__ = .;
    *(.eh_fram*)
    ___EH_FRAME_END__ = .;
    LONG(0);
    *(.gcc_except_table*)
    *(.gnu.linkonce.d*)
    SORT(CONSTRUCTORS)
    copy_end = .;
  } > ram
  .eh_frame : { *(.eh_frame) } > ram
  /* 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.  */
  .bss       :
  {
   __bss_start = .;
   *(.dynbss)
   *(.bss .bss* .gnu.linkonce.b*)
   *(COMMON)
   /* Align here to ensure that the .bss section occupies space up to
      _end.  Align after .bss to ensure correct alignment even if the
      .bss section disappears because there are no input sections.  */
   . = ALIGN(32 / 8);
   __bss_end = .;
  } > ram

  .stack : {
    . = . + 4096;
  } > ram

  .rtemsstack (NOLOAD) : {
    *(SORT(.rtemsstack.*))
  } > ram

  _WorkAreaBase = . ;

  . = ALIGN(16);
  _CPU_Interrupt_stack_low  = . ;
  _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) }
  /* These must appear regardless of  .  */
}