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annotate packages/hal/mips/tx49/current/src/mips_tx49.ld @ 134:d2f49caf9e38 ecos-sw-2000-11-03

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Merge from eCos master repository on 2000-11-03-09:00:49-GMT
author jlarmour
date Fri, 03 Nov 2000 21:17:40 +0000
parents
children e0c0827131d1
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1 //===========================================================================
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2 //
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3 // MLT linker script for MIPS TX49
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4 //
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5 //===========================================================================
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6 //####COPYRIGHTBEGIN####
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7 //
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8 // -------------------------------------------
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9 // The contents of this file are subject to the Red Hat eCos Public License
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10 // Version 1.1 (the "License"); you may not use this file except in
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11 // compliance with the License. You may obtain a copy of the License at
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12 // http://www.redhat.com/
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13 //
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14 // Software distributed under the License is distributed on an "AS IS"
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15 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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16 // License for the specific language governing rights and limitations under
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17 // the License.
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18 //
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19 // The Original Code is eCos - Embedded Configurable Operating System,
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20 // released September 30, 1998.
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21 //
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22 // The Initial Developer of the Original Code is Red Hat.
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23 // Portions created by Red Hat are
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24 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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25 // All Rights Reserved.
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26 // -------------------------------------------
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27 //
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28 //####COPYRIGHTEND####
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29 //===========================================================================
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30
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31 #include <pkgconf/system.h>
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32
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33 OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips",
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34 "elf32-littlemips")
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35 /* The preprocessor defines mips, but we know we're mips :-) */
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36 #undef mips
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37 OUTPUT_ARCH(mips:4900)
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38
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39 STARTUP(vectors.o)
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40 ENTRY(reset_vector)
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41 #if defined(EXTRAS) && defined(CYGPKG_IO)
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42 INPUT(extras.o)
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43 #endif
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44 GROUP(libtarget.a libgcc.a)
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45
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46 /* FIXME: The MLT should pass in the required alignment since it must be
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47 * the same as the VMA's alignment. As a result of this bug, all the REF4955
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48 * ROM mlt files have alignment 8, when some should have alignment 4
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49 * (902557-CR)
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50 */
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51 #define ALIGN_LMA 8
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52 #define FOLLOWING(_section_) AT ((LOADADDR (_section_) + SIZEOF (_section_) + ALIGN_LMA - 1) & ~ (ALIGN_LMA - 1))
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53 #define LMA_EQ_VMA
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54 #define FORCE_OUTPUT . = .
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55
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56 #define SECTIONS_BEGIN
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57
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58 #if defined(CYG_HAL_STARTUP_RAM)
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59
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60 /* this version for RAM startup */
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61 #define SECTION_rom_vectors(_region_, _vma_, _lma_) \
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62 .rom_vectors _vma_ : _lma_ \
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63 { KEEP (*(.utlb_vector)) \
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64 . = ALIGN(0x80); KEEP(*(.other_vector)) \
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65 /* debug and reset vector not used in RAM version */ \
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66 KEEP(*(.debug_vector)) \
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67 KEEP (*(.reset_vector)) } \
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68 > _region_
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69
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70 #elif defined(CYG_HAL_STARTUP_ROM)
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71
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72 /* this version for ROM startup */
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73 #define SECTION_rom_vectors(_region_, _vma_, _lma_) \
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74 .rom_vectors _vma_ : _lma_ \
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75 { KEEP (*(.reset_vector)) \
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76 . = ALIGN(0x100); KEEP (*(.utlb_vector)) \
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77 . = ALIGN(0x80); KEEP(*(.other_vector)) \
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78 . = ALIGN(0x100); KEEP(*(.debug_vector)) } \
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79 > _region_
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80
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81 #endif /* ROM startup version of ROM vectors */
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82
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83 #define SECTION_ROMISC(_region_, _vma_, _lma_) \
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84 .interp _vma_ : _lma_ { *(.interp) } > _region_ \
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85 .hash : FOLLOWING(.interp) { *(.hash) } > _region_ \
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86 .dynsym : FOLLOWING(.hash) { *(.dynsym) } > _region_ \
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87 .dynstr : FOLLOWING(.dynsym) { *(.dynstr) } > _region_ \
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88 .gnu.version : FOLLOWING(.dynstr) { *(.gnu.version) } > _region_ \
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89 .gnu.version_d : FOLLOWING(.gnu.version) { *(.gnu.version_d) } > _region_ \
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90 .gnu.version_r : FOLLOWING(.gnu.version_d) { *(.gnu.version_r) } > _region_ \
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91 .plt : FOLLOWING(.gnu.version_r) { *(.plt) } > _region_
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92
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93 #define SECTION_RELOCS(_region_, _vma_, _lma_) \
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94 .rel.text : \
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95 { \
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96 *(.rel.text) \
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97 *(.rel.text.*) \
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98 *(.rel.gnu.linkonce.t*) \
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99 } > _region_ \
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100 .rela.text : \
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101 { \
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102 *(.rela.text) \
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103 *(.rela.text.*) \
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104 *(.rela.gnu.linkonce.t*) \
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105 } > _region_ \
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106 .rel.data : \
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107 { \
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108 *(.rel.data) \
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109 *(.rel.data.*) \
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110 *(.rel.gnu.linkonce.d*) \
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111 } > _region_ \
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112 .rela.data : \
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113 { \
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114 *(.rela.data) \
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115 *(.rela.data.*) \
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116 *(.rela.gnu.linkonce.d*) \
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117 } > _region_ \
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118 .rel.rodata : \
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119 { \
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120 *(.rel.rodata) \
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121 *(.rel.rodata.*) \
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122 *(.rel.gnu.linkonce.r*) \
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123 } > _region_ \
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124 .rela.rodata : \
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125 { \
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126 *(.rela.rodata) \
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127 *(.rela.rodata.*) \
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128 *(.rela.gnu.linkonce.r*) \
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129 } > _region_ \
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130 .rel.got : { *(.rel.got) } > _region_ \
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131 .rela.got : { *(.rela.got) } > _region_ \
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132 .rel.ctors : { *(.rel.ctors) } > _region_ \
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133 .rela.ctors : { *(.rela.ctors) } > _region_ \
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134 .rel.dtors : { *(.rel.dtors) } > _region_ \
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135 .rela.dtors : { *(.rela.dtors) } > _region_ \
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136 .rel.init : { *(.rel.init) } > _region_ \
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137 .rela.init : { *(.rela.init) } > _region_ \
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138 .rel.fini : { *(.rel.fini) } > _region_ \
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139 .rela.fini : { *(.rela.fini) } > _region_ \
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140 .rel.bss : { *(.rel.bss) } > _region_ \
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141 .rela.bss : { *(.rela.bss) } > _region_ \
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142 .rel.plt : { *(.rel.plt) } > _region_ \
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143 .rela.plt : { *(.rela.plt) } > _region_ \
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144 .rel.dyn : { *(.rel.dyn) } > _region_
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145
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146 #define SECTION_init(_region_, _vma_, _lma_) \
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147 .init _vma_ : _lma_ \
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148 { \
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149 FORCE_OUTPUT; KEEP (*(.init)) \
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150 } > _region_ =0
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151
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152 #define SECTION_text(_region_, _vma_, _lma_) \
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153 .text _vma_ : _lma_ \
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154 { \
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155 _stext = .; _ftext = . ; \
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156 *(.text) \
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157 *(.text.*) \
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158 *(.stub) \
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159 *(.gnu.warning) \
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160 *(.gnu.linkonce.t*) \
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161 *(.mips16.fn.*) *(.mips16.call.*) \
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162 } > _region_ =0 \
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163 _etext = .; PROVIDE (etext = .);
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164
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165 #define SECTION_fini(_region_, _vma_, _lma_) \
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166 .fini _vma_ : _lma_ \
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167 { \
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168 FORCE_OUTPUT; KEEP (*(.fini)) \
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169 } > _region_ =0
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170
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171 #define SECTION_rodata(_region_, _vma_, _lma_) \
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172 .rodata _vma_ : _lma_ \
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173 { \
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174 FORCE_OUTPUT; *(.rodata) *(.rodata.*) *(.gnu.linkonce.r*) \
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175 } > _region_
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176
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177 #define SECTION_rodata1(_region_, _vma_, _lma_) \
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178 .rodata1 _vma_ : _lma_ \
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179 { \
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180 FORCE_OUTPUT; *(.rodata1) *(.rodata1.*) \
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181 } > _region_
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182
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183 #define SECTION_vsr_table(_region_, _vma_, _lma_) \
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184 .vsr_table _vma_ : _lma_ \
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185 { \
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186 FORCE_OUTPUT; *(.vsr_table) \
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187 } > _region_
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188
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189 #define SECTION_data(_region_, _vma_, _lma_) \
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190 .data _vma_ : _lma_ \
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191 { \
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192 __ram_data_start = ABSOLUTE (.); _fdata = . ; \
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193 *(.data) *(.data.*) *(.gnu.linkonce.d*) \
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194 . = ALIGN (8); \
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195 SORT(CONSTRUCTORS) \
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196 } > _region_ \
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197 __rom_data_start = LOADADDR(.data);
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198
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199 #define SECTION_data1(_region_, _vma_, _lma_) \
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200 .data1 _vma_ : _lma_ \
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201 { \
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202 FORCE_OUTPUT; *(.data1) *(.data1.*) \
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203 } > _region_
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204
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205 #define SECTION_eh_frame(_region_, _vma_, _lma_) \
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206 .eh_frame _vma_ : _lma_ \
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207 { \
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208 FORCE_OUTPUT; *(.eh_frame) \
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209 } > _region_
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210
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211 #define SECTION_gcc_except_table(_region_, _vma_, _lma_) \
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212 .gcc_except_table _vma_ : _lma_ \
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213 { \
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214 FORCE_OUTPUT; *(.gcc_except_table) \
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215 } > _region_
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216
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217
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218 /* FIXME: We shouldn't need to define __CTOR_LIST__/__CTOR_END__
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219 and __DTOR_LIST__/__DTOR_END__ except by the PROVIDE lines.
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220 However this doesn't work for old (99r1-era) toolchains, so
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221 leave it for now. */
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222
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223 /* The KEEP(*_ctors.o(.ctors)) rule is included to prevent
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224 constructors from libgcc.a from turning up in the image.
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225 They are NULL anyway. */
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226
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227 #define SECTION_ctors(_region_, _vma_, _lma_) \
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228 .ctors _vma_ : _lma_ \
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229 { \
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230 FORCE_OUTPUT; \
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231 KEEP (*crtbegin.o(.ctors)) \
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232 KEEP (*_ctors.o(.ctors)) \
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233 __CTOR_LIST__ = .; \
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234 PROVIDE (__CTOR_LIST__ = .); \
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235 KEEP (*(.ctors)); \
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236 KEEP (*(SORT(.ctors.*))) \
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237 __CTOR_END__ = .; \
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238 PROVIDE (__CTOR_END__ = .); \
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239 } > _region_
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240
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241 #define SECTION_dtors(_region_, _vma_, _lma_) \
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242 .dtors _vma_ : _lma_ \
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243 { \
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244 FORCE_OUTPUT; \
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245 KEEP (*crtbegin.o(.dtors)) \
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246 __DTOR_LIST__ = .; \
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247 PROVIDE (__DTOR_LIST__ = .); \
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248 KEEP (*(SORT(.dtors.*))) \
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249 __DTOR_END__ = .; \
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250 KEEP (*(.dtors)); \
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251 PROVIDE (__DTOR_END__ = .); \
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252 } > _region_
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253
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254 #define SECTION_devtab(_region_, _vma_, _lma_) \
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255 .devtab _vma_ : _lma_ \
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256 { \
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257 FORCE_OUTPUT; \
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258 KEEP(*( SORT (.ecos.table.*))) ; \
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259 } > _region_
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260
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261 #define SECTION_got(_region_, _vma_, _lma_) \
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262 _gp = ALIGN(16) + 0x7ff0; \
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263 .got _vma_ : _lma_ \
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264 { \
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265 FORCE_OUTPUT; *(.got.plt) *(.got) \
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266 } > _region_
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267
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268 #define SECTION_dynamic(_region_, _vma_, _lma_) \
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269 .dynamic _vma_ : _lma_ \
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270 { \
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271 FORCE_OUTPUT; *(.dynamic) \
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272 } > _region_
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273
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274 /* We want the small data sections together, so single-instruction offsets
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275 can access them all, and initialized data all before uninitialized, so
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276 we can shorten the on-disk segment size. */
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277
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278 #define SECTION_sdata(_region_, _vma_, _lma_) \
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279 .sdata _vma_ : _lma_ \
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280 { \
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281 FORCE_OUTPUT; *(.sdata) *(.sdata.*) *(.gnulinkonce.s*) \
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282 } > _region_
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283
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284 #define SECTION_lit8(_region_, _vma_, _lma_) \
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285 .lit8 _vma_ : _lma_ \
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286 { \
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287 FORCE_OUTPUT; *(.lit8) \
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288 } > _region_
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289
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290 #define SECTION_lit4(_region_, _vma_, _lma_) \
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291 .lit4 : FOLLOWING(.lit8) \
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292 { \
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293 FORCE_OUTPUT; *(.lit4) \
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294 } > _region_ \
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295 __ram_data_end = .; _edata = . ; \
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296 PROVIDE (edata = .);
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297
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298 #define SECTION_sbss(_region_, _vma_, _lma_) \
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299 __bss_start = .; _fbss = .; \
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300 .sbss _vma_ : _lma_ \
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301 { \
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302 FORCE_OUTPUT; *(.dynsbss) *(.sbss) *(.sbss.*) *(.scommon) \
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303 } > _region_
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304
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305 #define SECTION_bss(_region_, _vma_, _lma_) \
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306 .bss _vma_ : _lma_ \
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307 { \
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308 *(.dynbss) *(.bss) *(.bss.*) *(COMMON) \
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309 } > _region_ \
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310 __bss_end = .;
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311
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312 /* The /DISCARD/ section ensures that the output will not contain a
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313 * .mdebug section as it confuses GDB. This is a workaround for CR 100804.
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314 */
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315
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316 #define SECTIONS_END . = ALIGN(4); _end = .; PROVIDE (end = .); \
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317 /* Stabs debugging sections. */ \
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318 .stab 0 : { *(.stab) } \
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319 .stabstr 0 : { *(.stabstr) } \
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320 .stab.excl 0 : { *(.stab.excl) } \
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321 .stab.exclstr 0 : { *(.stab.exclstr) } \
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322 .stab.index 0 : { *(.stab.index) } \
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323 .stab.indexstr 0 : { *(.stab.indexstr) } \
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324 .comment 0 : { *(.comment) } \
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325 /* DWARF debug sections. \
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326 Symbols in the DWARF debugging sections are relative to \
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327 the beginning of the section so we begin them at 0. */ \
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328 /* DWARF 1 */ \
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329 .debug 0 : { *(.debug) } \
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330 .line 0 : { *(.line) } \
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331 /* GNU DWARF 1 extensions */ \
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332 .debug_srcinfo 0 : { *(.debug_srcinfo) } \
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333 .debug_sfnames 0 : { *(.debug_sfnames) } \
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334 /* DWARF 1.1 and DWARF 2 */ \
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335 .debug_aranges 0 : { *(.debug_aranges) } \
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336 .debug_pubnames 0 : { *(.debug_pubnames) } \
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337 /* DWARF 2 */ \
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338 .debug_info 0 : { *(.debug_info) } \
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339 .debug_abbrev 0 : { *(.debug_abbrev) } \
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340 .debug_line 0 : { *(.debug_line) } \
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341 .debug_frame 0 : { *(.debug_frame) } \
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342 .debug_str 0 : { *(.debug_str) } \
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343 .debug_loc 0 : { *(.debug_loc) } \
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344 .debug_macinfo 0 : { *(.debug_macinfo) } \
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345 /* SGI/MIPS DWARF 2 extensions */ \
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346 .debug_weaknames 0 : { *(.debug_weaknames) } \
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347 .debug_funcnames 0 : { *(.debug_funcnames) } \
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348 .debug_typenames 0 : { *(.debug_typenames) } \
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349 .debug_varnames 0 : { *(.debug_varnames) } \
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350 /* These must appear regardless of . */ \
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351 .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) } \
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352 .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) } \
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353 /DISCARD/ 0 : { *(.mdebug) }
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354
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355 #include CYGHWR_MEMORY_LAYOUT_LDI
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356
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357 // 0-0x200 reserved for vectors
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358 hal_vsr_table = 0x80000200;
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359 hal_virtual_vector_table = 0x80000300;