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annotate packages/hal/synth/arch/current/src/synth.ld @ 208:e0c0827131d1 ecos

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Merge from eCos master repository on 2002-05-20-20:11:54-BST
author jlarmour
date Mon, 20 May 2002 22:19:26 +0000
parents ac086aa3217e
children d2c90368aeef
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1 //==========================================================================
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2 //
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3 // synth.ld
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4 //
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5 // Linker script for the synthetic target
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6 //
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7 //==========================================================================
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8 //####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later version.
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16 //
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17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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20 // for more details.
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21 //
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22 // You should have received a copy of the GNU General Public License along
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23 // with eCos; if not, write to the Free Software Foundation, Inc.,
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24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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25 //
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26 // As a special exception, if other files instantiate templates or use macros
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27 // or inline functions from this file, or you compile this file and link it
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28 // with other works to produce a work based on this file, this file does not
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29 // by itself cause the resulting work to be covered by the GNU General Public
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30 // License. However the source code for this file must still be made available
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31 // in accordance with section (3) of the GNU General Public License.
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32 //
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33 // This exception does not invalidate any other reasons why a work based on
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34 // this file might be covered by the GNU General Public License.
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35 //
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36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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37 // at http://sources.redhat.com/ecos/ecos-license
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38 // -------------------------------------------
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39 //####ECOSGPLCOPYRIGHTEND####
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40 //==========================================================================
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41 //#####DESCRIPTIONBEGIN####
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42 //
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43 // Author(s): jskov
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44 // Contributors:jskov, bartv
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45 // Date: 1999-01-18
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46 // Purpose: synthetic target linker script
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47 //
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48 //####DESCRIPTIONEND####
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49 //
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50 //==========================================================================
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51 STARTUP(vectors.o)
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52 ENTRY(_start)
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53 #ifdef EXTRAS
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54 INPUT(extras.o)
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55 #endif
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56 GROUP(libtarget.a libgcc.a)
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57
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58 #define ALIGN_LMA 8
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59 #define FOLLOWING(_section_) AT ((LOADADDR (_section_) + SIZEOF (_section_) + ALIGN_LMA - 1) & ~ (ALIGN_LMA - 1))
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60 #define LMA_EQ_VMA
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61 #define FORCE_OUTPUT . = .
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62
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63
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64 #define SECTIONS_BEGIN
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65
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66 #define SECTION_vectors(_region_, _vma_, _lma_) \
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67 .vectors _vma_ : _lma_ \
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68 { FORCE_OUTPUT; KEEP(*(.vectors)) } \
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69 > _region_
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70
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71 #define SECTION_text(_region_, _vma_, _lma_) \
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72 .text _vma_ : _lma_ \
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73 { _stext = .; \
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74 *(.text*) *(.gnu.warning) *(.gnu.linkonce.t.*) *(.init) } \
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75 > _region_ \
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76 _etext = .; PROVIDE (etext = .);
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77
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78 #define SECTION_fini(_region_, _vma_, _lma_) \
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79 .fini _vma_ : _lma_ \
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80 { FORCE_OUTPUT; *(.fini) } \
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81 > _region_
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82
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83 #define SECTION_rodata1(_region_, _vma_, _lma_) \
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84 .rodata1 _vma_ : _lma_ \
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85 { FORCE_OUTPUT; *(.rodata1) } \
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86 > _region_
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87
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88 #define SECTION_rodata(_region_, _vma_, _lma_) \
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89 .rodata _vma_ : _lma_ \
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90 { FORCE_OUTPUT; *(.rodata*) *(.gnu.linkonce.r.*) } \
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91 > _region_
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92
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93 #define SECTION_fixup(_region_, _vma_, _lma_) \
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94 .fixup _vma_ : _lma_ \
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95 { _FIXUP_START_ = ABSOLUTE(.); *(.fixup) _FIXUP_END_ = ABSOLUTE(.);} \
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96 > _region_
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97
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98 #define SECTION_gcc_except_table(_region_, _vma_, _lma_) \
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99 .gcc_except_table _vma_ : _lma_ \
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100 { _EXCEPT_START_ = ABSOLUTE(.); *(.gcc_except_table) \
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101 _EXCEPT_END_ = ABSOLUTE(.);} \
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102 > _region_
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103
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104 #define SECTION_eh_frame(_region_, _vma_, _lma_) \
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105 .eh_frame _vma_ : _lma_ \
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106 { \
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107 FORCE_OUTPUT; __EH_FRAME_BEGIN__ = .; \
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108 KEEP(*(.eh_frame)) \
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109 __FRAME_END__ = .; \
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110 . = . + 8; \
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111 } > _region_ = 0
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112
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113 #define SECTION_RELOCS(_region_, _vma_, _lma_) \
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114 .rel.text : \
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115 { \
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116 *(.rel.text) \
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117 *(.rel.text.*) \
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118 *(.rel.gnu.linkonce.t*) \
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119 } > _region_ \
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120 .rela.text : \
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121 { \
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122 *(.rela.text) \
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123 *(.rela.text.*) \
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124 *(.rela.gnu.linkonce.t*) \
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125 } > _region_ \
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126 .rel.data : \
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127 { \
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128 *(.rel.data) \
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129 *(.rel.data.*) \
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130 *(.rel.gnu.linkonce.d*) \
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131 } > _region_ \
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132 .rela.data : \
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133 { \
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134 *(.rela.data) \
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135 *(.rela.data.*) \
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136 *(.rela.gnu.linkonce.d*) \
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137 } > _region_ \
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138 .rel.rodata : \
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139 { \
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140 *(.rel.rodata) \
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141 *(.rel.rodata.*) \
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142 *(.rel.gnu.linkonce.r*) \
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143 } > _region_ \
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144 .rela.rodata : \
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145 { \
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146 *(.rela.rodata) \
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147 *(.rela.rodata.*) \
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148 *(.rela.gnu.linkonce.r*) \
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149 } > _region_ \
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150 .rel.got : { *(.rel.got) } > _region_ \
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151 .rela.got : { *(.rela.got) } > _region_ \
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152 .rel.ctors : { *(.rel.ctors) } > _region_ \
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153 .rela.ctors : { *(.rela.ctors) } > _region_ \
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154 .rel.dtors : { *(.rel.dtors) } > _region_ \
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155 .rela.dtors : { *(.rela.dtors) } > _region_ \
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156 .rel.init : { *(.rel.init) } > _region_ \
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157 .rela.init : { *(.rela.init) } > _region_ \
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158 .rel.fini : { *(.rel.fini) } > _region_ \
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159 .rela.fini : { *(.rela.fini) } > _region_ \
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160 .rel.bss : { *(.rel.bss) } > _region_ \
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161 .rela.bss : { *(.rela.bss) } > _region_ \
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162 .rel.plt : { *(.rel.plt) } > _region_ \
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163 .rela.plt : { *(.rela.plt) } > _region_ \
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164 .rel.dyn : { *(.rel.dyn) } > _region_
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165
161
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166 // Note: The __ in the name is an encoding of the .
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167 #define SECTION_rel__got(_region_, _vma_, _lma_) \
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168 .rel.got _vma_ : _lma_ \
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169 { *(.rel.got) } \
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170 > _region_
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171
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172 #define SECTION_data(_region_, _vma_, _lma_) \
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173 .data _vma_ : _lma_ \
208
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174 { __ram_data_start = ABSOLUTE(.); *(.data*) *(.gnu.linkonce.d.*) \
161
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175 _GOT1_START_ = ABSOLUTE(.); *(.got1) _GOT1_END_ = ABSOLUTE(.); \
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176 /* Put .ctors and .dtors next to the .got2 section, so that */ \
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177 /* the pointers get relocated with -mrelocatable. */ \
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178 . = ALIGN(8); __CTOR_LIST__ = ABSOLUTE(.); \
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179 KEEP(*(SORT(.ctors*))) __CTOR_END__ = ABSOLUTE(.); \
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180 __DTOR_LIST__ = ABSOLUTE(.); \
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181 KEEP(*(SORT(.dtors*))) __DTOR_END__ = ABSOLUTE(.); \
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182 . = ALIGN(32); \
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183 KEEP(*( SORT (.ecos.table.*))); \
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184 _GOT2_START_ = ABSOLUTE(.); *(.got2) _GOT2_END_ = ABSOLUTE(.); \
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185 _GOT_START_ = ABSOLUTE(.); _GLOBAL_OFFSET_TABLE_ = ABSOLUTE(. + 32768); \
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186 _SDA_BASE_ = ABSOLUTE(.); *(.got.plt) *(.got) \
208
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187 _GOT_END_ = ABSOLUTE(.); *(.dynamic) \
161
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188 /* We want the small data sections together, so single-instruction */ \
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189 /* offsets can access them all, and initialized data all before */ \
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190 /* uninitialized, so we can shorten the on-disk segment size. */ \
208
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191 _SDATA_START_ = ABSOLUTE(.); *(.sdata*) *(.gnu.linkonce.s.*) } \
161
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192 > _region_ \
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193 __rom_data_start = LOADADDR(.data); \
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194 __ram_data_end = .; PROVIDE(__ram_data_end = .); \
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195 _edata = .; PROVIDE (edata = .);
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196
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197 #define SECTION_sbss(_region_, _vma_, _lma_) \
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198 .sbss _vma_ : _lma_ \
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199 { __bss_start = ABSOLUTE (.); \
208
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200 _SBSS_START_ = ABSOLUTE(.); *(.sbss*) *(.gnu.linkonce.sb.*) \
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201 _SBSS_END_ = ABSOLUTE(.); \
161
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202 *(.scommon*) } \
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203 > _region_
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204
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205 #define SECTION_bss(_region_, _vma_, _lma_) \
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206 .bss _vma_ : _lma_ \
208
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207 { FORCE_OUTPUT; *(.dynbss*) *(.bss*) *(COMMON) *(.gnu.linkonce.b.*) } \
161
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208 > _region_ \
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209 __bss_end = .;
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210
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211 #define SECTIONS_END . = ALIGN(4); _end = .; PROVIDE (end = .);
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212
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213 #include <pkgconf/system.h>
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214 #include CYGHWR_MEMORY_LAYOUT_LDI