coldfire.ld

开放源码实时操作系统源码.

//==========================================================================
//
//  coldfire.ld
//
//  Linker script
//
//==========================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
// Copyright (C) 2006 eCosCentric Ltd.
//
// eCos is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 or (at your option) any later version.
//
// eCos 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.  See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with eCos; if not, write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
//
// As a special exception, if other files instantiate templates or use macros
// or inline functions from this file, or you compile this file and link it
// with other works to produce a work based on this file, this file does not
// by itself cause the resulting work to be covered by the GNU General Public
// License. However the source code for this file must still be made available
// in accordance with section (3) of the GNU General Public License.
//
// This exception does not invalidate any other reasons why a work based on
// this file might be covered by the GNU General Public License.
// -------------------------------------------
//####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     Enrico Piria
// Contributors:  Wade Jensen
// Date:          2005-25-06
// Purpose:       Coldfire-specific linker script definitions.
//
//####DESCRIPTIONEND####
//========================================================================

STARTUP(vectors.o)
ENTRY(_start)
#ifdef EXTRAS
INPUT(extras.o)
#endif
#if (__GNUC__ >= 3)
GROUP(libtarget.a libgcc.a libsupc++.a)
#else
GROUP(libtarget.a libgcc.a)
#endif

#define ALIGN_LMA 4
#define FOLLOWING(_section_) AT ((LOADADDR (_section_) + SIZEOF (_section_) + ALIGN_LMA - 1) & ~ (ALIGN_LMA - 1))
#define LMA_EQ_VMA
#define FORCE_OUTPUT . = .

#define SECTIONS_BEGIN

#define SECTION_boot(_region_, _vma_, _lma_)                            \
    .boot _vma_ : _lma_                                                 \
    {                                                                   \
        FORCE_OUTPUT;                                                   \
        *(.boot*)                                                       \
        . = ALIGN(4);                                                   \
    }                                                                   \
    > _region_

#define SECTION_text(_region_, _vma_, _lma_)                            \
    .text _vma_ : _lma_                                                 \
    {                                                                   \
        _stext = .;                                                     \
        *(.text*) *(.gnu.warning) *(.gnu.linkonce*) *(.init)            \
        . = ALIGN(4);                                                   \
    }                                                                   \
    > _region_                                                          \
    _etext = .;  PROVIDE (etext = .);

#define SECTION_fini(_region_, _vma_, _lma_)                            \
    .fini _vma_ : _lma_                                                 \
    {                                                                   \
        FORCE_OUTPUT;                                                   \
        *(.fini)                                                        \
        . = ALIGN(4);                                                   \
    }                                                                   \
    > _region_

#define SECTION_rodata1(_region_, _vma_, _lma_)                         \
    .rodata1 _vma_ : _lma_                                              \
    {                                                                   \
        FORCE_OUTPUT;                                                   \
        *(.rodata1*)                                                    \
        . = ALIGN(4);                                                   \
    }                                                                   \
    > _region_

#define SECTION_rodata(_region_, _vma_, _lma_)                          \
    .rodata _vma_ : _lma_                                               \
    {                                                                   \
        FORCE_OUTPUT;                                                   \
        *(.rodata*)                                                     \
        . = ALIGN(4);                                                   \
    }                                                                   \
    > _region_

#define SECTION_fixup(_region_, _vma_, _lma_)                           \
    .fixup _vma_ : _lma_                                                \
    {                                                                   \
        __FIXUP_START__ = ABSOLUTE(.);                                  \
        *(.fixup)                                                       \
        . = ALIGN(4);                                                   \
        __FIXUP_END__ = ABSOLUTE(.);                                    \
    }                                                                   \
    > _region_

#define SECTION_gcc_except_table(_region_, _vma_, _lma_)                \
    .gcc_except_table _vma_ : _lma_                                     \
    {                                                                   \
        __EXCEPT_START__ = ABSOLUTE(.);                                 \
        *(.gcc_except_table)                                            \
        . = ALIGN(4);                                                   \
        __EXCEPT_END__ = ABSOLUTE(.);                                   \
    }                                                                   \
    > _region_

#define SECTION_data(_region_, _vma_, _lma_)                                        \