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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [openrisc/] [arch/] [current/] [src/] [openrisc.ld] - Blame information for rev 459

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1 27 unneback
//==========================================================================
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//
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//      openrisc.ld
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//
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//      Linker script for OpenRISC architecture
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//
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//==========================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s):   sfurman
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// Contributors:jskov
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// Date:        2002-02-28
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// Purpose:     OpenRISC Linker script
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//
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//####DESCRIPTIONEND####
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//
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//==========================================================================
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STARTUP(vectors.o)
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ENTRY(__exception_reset)
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#ifdef EXTRAS
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INPUT(extras.o)
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#endif
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GROUP(libtarget.a libgcc.a)
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#define ALIGN_LMA 8
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#define FOLLOWING(_section_) AT ((LOADADDR (_section_) + SIZEOF (_section_) + ALIGN_LMA - 1) & ~ (ALIGN_LMA - 1))
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#define LMA_EQ_VMA
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#define FORCE_OUTPUT . = .
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#define SECTIONS_BEGIN
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#define SECTION_vectors(_region_, _vma_, _lma_)        \
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  .vectors _vma_ : _lma_                                              \
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  { FORCE_OUTPUT; KEEP(*(.vectors)) }         \
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  > _region_
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// Code that might be executed out of either RAM or ROM
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#define SECTION_text(_region_, _vma_, _lma_)           \
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  .text _vma_ : _lma_                                                 \
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  { __stext = .;       \
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    *(.text*) *(.gnu.warning) *(.gnu.linkonce*) *(.init) }      \
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  > _region_                                                    \
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  __etext = .;  PROVIDE (etext = .);
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// The .text.ram section is for performance-sensitive code that is
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// always executed from RAM.  (If the code is loaded into ROM, it will
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// be copied into RAM prior to execution.)
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//
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// Note: The SECTION_text_ram() macro must be listed in the linker
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// include script (*.ldi file) prior to SECTION_text().
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//
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// All eCos code is put in the .text section unless explicitly placed
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// into a section named section .text.ram*.
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#define SECTION_text_ram(_region_, _vma_, _lma_)           \
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  .text.ram _vma_ : _lma_                                  \
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  { __stext_ram = .;                                       \
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    __ram_text_start = ABSOLUTE(.);                        \
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    *(.text.ram*)                                          \
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  } > _region_                                             \
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  __load_addr_text_ram = LOADADDR(.text.ram);              \
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  __ram_text_end = .; PROVIDE(__ram_text_end = .);         \
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  __etext_ram = .;  PROVIDE (etext_ram = .);
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#define SECTION_fini(_region_, _vma_, _lma_)   \
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    .fini _vma_ : _lma_                                       \
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    { FORCE_OUTPUT; *(.fini) }        \
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    > _region_
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#define SECTION_rodata1(_region_, _vma_, _lma_)        \
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    .rodata1 _vma_ : _lma_                                            \
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    { FORCE_OUTPUT; *(.rodata1*) }             \
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    > _region_
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#define SECTION_rodata(_region_, _vma_, _lma_) \
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    .rodata _vma_ : _lma_                                     \
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    { FORCE_OUTPUT; *(.rodata*) }     \
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    > _region_
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#define SECTION_fixup(_region_, _vma_, _lma_)                      \
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    .fixup _vma_ : _lma_                                                          \
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    { __FIXUP_START__ = ABSOLUTE(.); *(.fixup) __FIXUP_END__ = ABSOLUTE(.);}\
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    > _region_
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#define SECTION_gcc_except_table(_region_, _vma_, _lma_)       \
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    .gcc_except_table _vma_ : _lma_                                           \
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    { __EXCEPT_START__ = ABSOLUTE(.); *(.gcc_except_table)              \
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      __EXCEPT_END__ = ABSOLUTE(.);}                                    \
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    > _region_
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#define SECTION_data(_region_, _vma_, _lma_)                         \
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    .data _vma_ : _lma_                                                             \
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    { __ram_data_start = ABSOLUTE(.); *(.data*)                                 \
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    __GOT1_START__ = ABSOLUTE(.); *(.got1) __GOT1_END__ = ABSOLUTE(.);        \
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      /* Put .ctors and .dtors next to the .got2 section, so that */          \
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      /* the pointers get relocated with -mrelocatable.           */          \
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     . = ALIGN(8); ___CTOR_LIST__ = ABSOLUTE(.);                               \
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      KEEP(*(SORT(.ctors*))) ___CTOR_END__ = ABSOLUTE(.);                      \
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    ___DTOR_LIST__ = ABSOLUTE(.);                                              \
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      KEEP(*(SORT(.dtors*))) ___DTOR_END__ = ABSOLUTE(.);                      \
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      . = ALIGN(8);                                                           \
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      KEEP(*( SORT (.ecos.table.*))) ;                                        \
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      . = ALIGN(4);                                                           \
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      *( .2ram.*) ;                                                           \
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    __GOT2_START__ = ABSOLUTE(.); *(.got2) __GOT2_END__ = ABSOLUTE(.);        \
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    __GOT_START = ABSOLUTE(.); _GLOBAL_OFFSET_TABLE_ = ABSOLUTE(. + 32768);   \
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    _SDA_BASE_ = ABSOLUTE(.); *(.got.plt) *(.got)                             \
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    __GOT_END__ = ABSOLUTE(.);  *(.dynamic)                                   \
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      /* We want the small data sections together, so single-instruction */   \
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      /* offsets can access them all, and initialized data all before    */   \
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      /* uninitialized, so we can shorten the on-disk segment size.      */   \
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    __SDATA_START__ = ABSOLUTE(.); *(.sdata) *(.sdata.*)                      \
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    __SDATA2_START__ = ABSOLUTE(.); *(.sdata2*) }                             \
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    > _region_                                                                \
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    __rom_data_start = LOADADDR(.data);                                       \
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    __ram_data_end = .; PROVIDE(__ram_data_end = .);                          \
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    _edata = .; PROVIDE (edata = .);
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#define SECTION_sbss(_region_, _vma_, _lma_)                     \
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    .sbss _vma_ : _lma_                                                         \
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    { __sbss_start = ABSOLUTE (.);                                        \
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    __SBSS_START__ = ABSOLUTE(.); *(.sbss.*) __SBSS_END__ = ABSOLUTE(.);   \
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    __SBSSx_START__ = ABSOLUTE(.); *(.sbss*) __SBSSx_END__ = ABSOLUTE(.);\
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    *(.scommon*)                                                          \
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    __sbss_end = ABSOLUTE (.); }                                          \
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    > _region_
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#define SECTION_bss(_region_, _vma_, _lma_)                      \
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    .bss _vma_ : _lma_                                                          \
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    { __bss_start = ABSOLUTE (.);                       \
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      FORCE_OUTPUT; *(.dynbss*) *(.bss*) *(COMMON)      \
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      __bss_end = ABSOLUTE (.); }                       \
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    > _region_
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#define SECTIONS_END . = ALIGN(4); _end = .; PROVIDE (end = .);
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#include 
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#include CYGHWR_MEMORY_LAYOUT_LDI
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// Define VSR and virtual tables to reside at fixed addresses.
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#include CYGBLD_HAL_TARGET_H
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_hal_vsr_table = CYGHWR_HAL_VSR_TABLE;
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_hal_virtual_vector_table = CYGHWR_HAL_VIRTUAL_VECTOR_TABLE;

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