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annotate packages/hal/mips/mips64/current/src/mips_mips64.ld @ 2729:74dbf4c3f2e1 after-copyright-change-20090129

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Update all copyright banners to reflect FSF ownership; fix and improve licence text.
author jlarmour
date Thu, 29 Jan 2009 17:47:46 +0000
parents 6425a2421b16
children
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1 //===========================================================================
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2 //
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3 // MLT linker script for MIPS64
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4 //
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5 //===========================================================================
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6 // ####ECOSGPLCOPYRIGHTBEGIN####
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7 // -------------------------------------------
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8 // This file is part of eCos, the Embedded Configurable Operating System.
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9 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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10 //
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11 // eCos is free software; you can redistribute it and/or modify it under
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12 // the terms of the GNU General Public License as published by the Free
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13 // Software Foundation; either version 2 or (at your option) any later
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14 // version.
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15 //
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16 // eCos is distributed in the hope that it will be useful, but WITHOUT
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17 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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18 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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19 // for more details.
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20 //
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21 // You should have received a copy of the GNU General Public License
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22 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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23 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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24 //
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25 // As a special exception, if other files instantiate templates or use
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26 // macros or inline functions from this file, or you compile this file
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27 // and link it with other works to produce a work based on this file,
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28 // this file does not by itself cause the resulting work to be covered by
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29 // the GNU General Public License. However the source code for this file
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30 // must still be made available in accordance with section (3) of the GNU
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31 // General Public License v2.
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32 //
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33 // This exception does not invalidate any other reasons why a work based
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34 // on this file might be covered by the GNU General Public License.
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35 // -------------------------------------------
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36 // ####ECOSGPLCOPYRIGHTEND####
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37 //===========================================================================
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38
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39 #include <pkgconf/system.h>
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40
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41 OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips",
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42 "elf32-littlemips")
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43 /* The preprocessor defines mips, but we know we're mips :-) */
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44 #undef mips
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45 OUTPUT_ARCH(mips:isa64)
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46
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47 STARTUP(vectors.o)
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48 ENTRY(reset_vector)
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49 #ifdef EXTRAS
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50 INPUT(extras.o)
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51 #endif
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52 #if (__GNUC__ >= 3)
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53 GROUP(libtarget.a libgcc.a libsupc++.a)
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54 #else
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55 GROUP(libtarget.a libgcc.a)
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56 #endif
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57
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58 /* FIXME: The MLT should pass in the required alignment since it must be
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59 * the same as the VMA's alignment. As a result of this bug, all the MIPS64
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60 * ROM mlt files have alignment 8, when some should have alignment 4
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61 * (902557-CR)
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62 */
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63 #define ALIGN_LMA 0x40
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64 #define FOLLOWING(_section_) AT ((LOADADDR (_section_) + SIZEOF (_section_) + ALIGN_LMA - 1) & ~ (ALIGN_LMA - 1))
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65 #define LMA_EQ_VMA
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66 #define FORCE_OUTPUT . = .
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67
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68 #define SECTIONS_BEGIN
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69
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70 #if defined(CYG_HAL_STARTUP_RAM)
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71
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72 /* this version for RAM 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 (*(.utlb_vector)) \
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76 . = ALIGN(0x80); KEEP(*(.other_vector)) \
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77 /* debug and reset vector not used in RAM version */ \
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78 KEEP(*(.debug_vector)) \
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79 KEEP (*(.reset_vector)) } \
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80 > _region_
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81
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82 #elif defined(CYG_HAL_STARTUP_ROM)
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83
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84 /* this version for ROM startup */
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85 #define SECTION_rom_vectors(_region_, _vma_, _lma_) \
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86 .rom_vectors _vma_ : _lma_ \
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87 { KEEP (*(.reset_vector)) \
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88 . = ALIGN(0x200); KEEP (*(.utlb_vector)) \
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89 . = . + 0x100; \
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90 . = ALIGN(0x80); KEEP(*(.other_vector)) \
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91 . = . + 0x80; \
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92 . = ALIGN(0x80); KEEP(*(.debug_vector)) } \
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93 > _region_
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94
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95 #endif /* ROM startup version of ROM vectors */
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96
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97 #define SECTION_ROMISC(_region_, _vma_, _lma_) \
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98 .interp _vma_ : _lma_ { *(.interp) } > _region_ \
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99 .hash : FOLLOWING(.interp) { *(.hash) } > _region_ \
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100 .dynsym : FOLLOWING(.hash) { *(.dynsym) } > _region_ \
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101 .dynstr : FOLLOWING(.dynsym) { *(.dynstr) } > _region_ \
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102 .gnu.version : FOLLOWING(.dynstr) { *(.gnu.version) } > _region_ \
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103 .gnu.version_d : FOLLOWING(.gnu.version) { *(.gnu.version_d) } > _region_ \
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104 .gnu.version_r : FOLLOWING(.gnu.version_d) { *(.gnu.version_r) } > _region_ \
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105 .plt : FOLLOWING(.gnu.version_r) { *(.plt) } > _region_
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106
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107 #define SECTION_RELOCS(_region_, _vma_, _lma_) \
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108 .rel.text : \
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109 { \
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110 *(.rel.text) \
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111 *(.rel.text.*) \
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112 *(.rel.gnu.linkonce.t*) \
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113 } > _region_ \
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114 .rela.text : \
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115 { \
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116 *(.rela.text) \
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117 *(.rela.text.*) \
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118 *(.rela.gnu.linkonce.t*) \
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119 } > _region_ \
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120 .rel.data : \
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121 { \
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122 *(.rel.data) \
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123 *(.rel.data.*) \
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124 *(.rel.gnu.linkonce.d*) \
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125 } > _region_ \
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126 .rela.data : \
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127 { \
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128 *(.rela.data) \
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129 *(.rela.data.*) \
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130 *(.rela.gnu.linkonce.d*) \
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131 } > _region_ \
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132 .rel.rodata : \
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133 { \
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134 *(.rel.rodata) \
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135 *(.rel.rodata.*) \
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136 *(.rel.gnu.linkonce.r*) \
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137 } > _region_ \
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138 .rela.rodata : \
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139 { \
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140 *(.rela.rodata) \
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141 *(.rela.rodata.*) \
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142 *(.rela.gnu.linkonce.r*) \
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143 } > _region_ \
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144 .rel.got : { *(.rel.got) } > _region_ \
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145 .rela.got : { *(.rela.got) } > _region_ \
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146 .rel.ctors : { *(.rel.ctors) } > _region_ \
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147 .rela.ctors : { *(.rela.ctors) } > _region_ \
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148 .rel.dtors : { *(.rel.dtors) } > _region_ \
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149 .rela.dtors : { *(.rela.dtors) } > _region_ \
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150 .rel.init : { *(.rel.init) } > _region_ \
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151 .rela.init : { *(.rela.init) } > _region_ \
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152 .rel.fini : { *(.rel.fini) } > _region_ \
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153 .rela.fini : { *(.rela.fini) } > _region_ \
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154 .rel.bss : { *(.rel.bss) } > _region_ \
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155 .rela.bss : { *(.rela.bss) } > _region_ \
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156 .rel.plt : { *(.rel.plt) } > _region_ \
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157 .rela.plt : { *(.rela.plt) } > _region_ \
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158 .rel.dyn : { *(.rel.dyn) } > _region_
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159
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160 #define SECTION_init(_region_, _vma_, _lma_) \
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161 .init _vma_ : _lma_ \
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162 { \
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163 FORCE_OUTPUT; KEEP (*(.init)) \
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164 } > _region_ =0
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165
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166 #define SECTION_text(_region_, _vma_, _lma_) \
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167 .text _vma_ : _lma_ \
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168 { \
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169 _stext = .; _ftext = . ; \
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170 *(.text) \
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171 *(.text.*) \
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172 *(.stub) \
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173 *(.gnu.warning) \
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174 *(.gnu.linkonce.t*) \
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175 *(.mips16.fn.*) *(.mips16.call.*) \
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176 } > _region_ =0 \
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177 _etext = .; PROVIDE (etext = .);
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178
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179 #define SECTION_fini(_region_, _vma_, _lma_) \
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180 .fini _vma_ : _lma_ \
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181 { \
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182 FORCE_OUTPUT; KEEP (*(.fini)) \
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183 } > _region_ =0
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184
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185 #define SECTION_rodata(_region_, _vma_, _lma_) \
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186 .rodata _vma_ : _lma_ \
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187 { \
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188 FORCE_OUTPUT; *(.rodata) *(.rodata.*) *(.gnu.linkonce.r*) \
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189 } > _region_
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190
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191 #define SECTION_rodata1(_region_, _vma_, _lma_) \
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192 .rodata1 _vma_ : _lma_ \
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193 { \
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194 FORCE_OUTPUT; *(.rodata1) *(.rodata1.*) \
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195 } > _region_
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196
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197 #define SECTION_vsr_table(_region_, _vma_, _lma_) \
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198 .vsr_table _vma_ : _lma_ \
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199 { \
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200 FORCE_OUTPUT; *(.vsr_table) \
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201 } > _region_
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202
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203 #define SECTION_data(_region_, _vma_, _lma_) \
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204 .data _vma_ : _lma_ \
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205 { \
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206 __ram_data_start = ABSOLUTE (.); _fdata = . ; \
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207 *(.data) *(.data.*) *(.gnu.linkonce.d*) \
196
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208 *( .2ram.*) \
156
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209 . = ALIGN (8); \
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210 SORT(CONSTRUCTORS) \
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211 } > _region_ \
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212 __rom_data_start = LOADADDR(.data);
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213
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214 #define SECTION_data1(_region_, _vma_, _lma_) \
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215 .data1 _vma_ : _lma_ \
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216 { \
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217 FORCE_OUTPUT; *(.data1) *(.data1.*) \
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218 } > _region_
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219
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220 #define SECTION_eh_frame(_region_, _vma_, _lma_) \
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221 .eh_frame _vma_ : _lma_ \
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222 { \
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223 FORCE_OUTPUT; *(.eh_frame) \
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224 } > _region_
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225
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226 #define SECTION_gcc_except_table(_region_, _vma_, _lma_) \
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227 .gcc_except_table _vma_ : _lma_ \
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228 { \
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229 FORCE_OUTPUT; *(.gcc_except_table) \
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230 } > _region_
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231
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232
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233 /* gcc uses crtbegin.o to find the start of
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234 the constructors, so we make sure it is
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235 first. Because this is a wildcard, it
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236 doesn't matter if the user does not
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237 actually link against crtbegin.o; the
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238 linker won't look for a file to match a
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239 wildcard. The wildcard also means that it
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240 doesn't matter which directory crtbegin.o
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241 is in. */
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242
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243 /* We don't want to include the .ctors section from
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244 the crtend.o file until after the sorted ctors.
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245 The .ctor section from the crtend file contains the
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246 end of ctors marker and it must be last */
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247
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248 /* FIXME: We shouldn't need to define __CTOR_LIST__/__CTOR_END__
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249 and __DTOR_LIST__/__DTOR_END__ except by the PROVIDE lines.
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250 However this doesn't work for old (99r1-era) toolchains, so
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251 leave it for now. */
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252
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253 #define SECTION_ctors(_region_, _vma_, _lma_) \
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254 .ctors _vma_ : _lma_ \
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255 { \
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256 FORCE_OUTPUT; \
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257 KEEP (*crtbegin.o(.ctors)) \
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258 __CTOR_LIST__ = .; \
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259 PROVIDE (__CTOR_LIST__ = .); \
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260 KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) \
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261 KEEP (*(SORT(.ctors.*))) \
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262 KEEP (*(.ctors)) \
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263 __CTOR_END__ = .; \
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264 PROVIDE (__CTOR_END__ = .); \
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265 } > _region_
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266
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267 #define SECTION_dtors(_region_, _vma_, _lma_) \
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268 .dtors _vma_ : _lma_ \
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269 { \
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270 FORCE_OUTPUT; \
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271 KEEP (*crtbegin.o(.dtors)) \
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272 __DTOR_LIST__ = .; \
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273 PROVIDE (__DTOR_LIST__ = .); \
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274 KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) \
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275 KEEP (*(SORT(.dtors.*))) \
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276 KEEP (*(.dtors)) \
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277 __DTOR_END__ = .; \
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278 PROVIDE (__DTOR_END__ = .); \
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279 } > _region_
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280
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281 #define SECTION_devtab(_region_, _vma_, _lma_) \
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282 .devtab _vma_ : _lma_ \
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283 { \
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284 FORCE_OUTPUT; \
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285 KEEP(*( SORT (.ecos.table.*))) ; \
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286 } > _region_
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287
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288 #define SECTION_got(_region_, _vma_, _lma_) \
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289 _gp = ALIGN(16) + 0x7ff0; \
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290 .got _vma_ : _lma_ \
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291 { \
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292 FORCE_OUTPUT; *(.got.plt) *(.got) \
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293 } > _region_
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294
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295 #define SECTION_dynamic(_region_, _vma_, _lma_) \
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296 .dynamic _vma_ : _lma_ \
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297 { \
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298 FORCE_OUTPUT; *(.dynamic) \
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299 } > _region_
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300
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301 /* We want the small data sections together, so single-instruction offsets
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302 can access them all, and initialized data all before uninitialized, so
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303 we can shorten the on-disk segment size. */
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304
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305 #define SECTION_sdata(_region_, _vma_, _lma_) \
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306 .sdata _vma_ : _lma_ \
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307 { \
923
c4e02a82f573 * src/mips_mips64.ld:
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308 FORCE_OUTPUT; *(.sdata) *(.sdata.*) *(.gnu.linkonce.s*) \
156
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309 } > _region_
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310
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311 #define SECTION_lit8(_region_, _vma_, _lma_) \
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312 .lit8 _vma_ : _lma_ \
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313 { \
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314 FORCE_OUTPUT; *(.lit8) \
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315 } > _region_
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316
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317 #define SECTION_lit4(_region_, _vma_, _lma_) \
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318 .lit4 : FOLLOWING(.lit8) \
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319 { \
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320 FORCE_OUTPUT; *(.lit4) \
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321 } > _region_ \
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322 __ram_data_end = .; _edata = . ; \
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323 PROVIDE (edata = .);
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324
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325 #define SECTION_sbss(_region_, _vma_, _lma_) \
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326 __bss_start = .; _fbss = .; \
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327 .sbss _vma_ : _lma_ \
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328 { \
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329 FORCE_OUTPUT; *(.dynsbss) *(.sbss) *(.sbss.*) *(.scommon) \
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330 } > _region_
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331
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332 #define SECTION_bss(_region_, _vma_, _lma_) \
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333 .bss _vma_ : _lma_ \
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334 { \
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335 *(.dynbss) *(.bss) *(.bss.*) *(COMMON) \
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336 } > _region_ \
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337 __bss_end = .;
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338
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339 /* The /DISCARD/ section ensures that the output will not contain a
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340 * .mdebug section as it confuses GDB. This is a workaround for CR 100804.
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341 */
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342
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343 #define SECTIONS_END . = ALIGN(4); _end = .; PROVIDE (end = .); \
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344 /* Stabs debugging sections. */ \
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345 .stab 0 : { *(.stab) } \
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346 .stabstr 0 : { *(.stabstr) } \
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347 .stab.excl 0 : { *(.stab.excl) } \
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348 .stab.exclstr 0 : { *(.stab.exclstr) } \
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349 .stab.index 0 : { *(.stab.index) } \
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350 .stab.indexstr 0 : { *(.stab.indexstr) } \
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351 .comment 0 : { *(.comment) } \
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352 /* DWARF debug sections. \
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353 Symbols in the DWARF debugging sections are relative to \
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354 the beginning of the section so we begin them at 0. */ \
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355 /* DWARF 1 */ \
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356 .debug 0 : { *(.debug) } \
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357 .line 0 : { *(.line) } \
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358 /* GNU DWARF 1 extensions */ \
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359 .debug_srcinfo 0 : { *(.debug_srcinfo) } \
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360 .debug_sfnames 0 : { *(.debug_sfnames) } \
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361 /* DWARF 1.1 and DWARF 2 */ \
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362 .debug_aranges 0 : { *(.debug_aranges) } \
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363 .debug_pubnames 0 : { *(.debug_pubnames) } \
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364 /* DWARF 2 */ \
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365 .debug_info 0 : { *(.debug_info) } \
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366 .debug_abbrev 0 : { *(.debug_abbrev) } \
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367 .debug_line 0 : { *(.debug_line) } \
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368 .debug_frame 0 : { *(.debug_frame) } \
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369 .debug_str 0 : { *(.debug_str) } \
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370 .debug_loc 0 : { *(.debug_loc) } \
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371 .debug_macinfo 0 : { *(.debug_macinfo) } \
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372 /* SGI/MIPS DWARF 2 extensions */ \
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373 .debug_weaknames 0 : { *(.debug_weaknames) } \
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374 .debug_funcnames 0 : { *(.debug_funcnames) } \
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375 .debug_typenames 0 : { *(.debug_typenames) } \
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376 .debug_varnames 0 : { *(.debug_varnames) } \
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377 /* These must appear regardless of . */ \
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378 .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) } \
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379 .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) } \
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380 /DISCARD/ 0 : { *(.mdebug) }
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381
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382 #include CYGHWR_MEMORY_LAYOUT_LDI
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383
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384 hal_vsr_table = 0x80000200;
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385 hal_virtual_vector_table = 0x80000300;