1 | /****************************************************************************** |
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2 | begin-header |
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3 | |
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4 | Copyright (c) 2000-2007 Red Hat, Inc. All rights reserved. |
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5 | |
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6 | This copyrighted material is made available to anyone wishing to use, modify, |
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7 | copy, or redistribute it subject to the terms and conditions of the BSD |
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8 | License. This program is distributed in the hope that it will be useful, |
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9 | but WITHOUT ANY WARRANTY expressed or implied, including the implied |
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10 | warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy |
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11 | of this license is available at http://www.opensource.org/licenses. Any |
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12 | Red Hat trademarks that are incorporated in the source code or documentation |
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13 | are not subject to the BSD License and may only be used or replicated with |
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14 | the express permission of Red Hat, Inc. |
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15 | |
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16 | Default linker script for use with the Configuration Tool for |
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17 | Toshiba Media Processor. |
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18 | |
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19 | When generating a configuration for a media module, M, the |
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20 | configuration tool will copy this file into a custom linker script |
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21 | M.ld, and customize the script with settings from the media |
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22 | module's global map file. |
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23 | |
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24 | end-header |
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25 | *******************************************************************************/ |
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26 | |
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27 | OUTPUT_FORMAT("elf32-mep-little", "elf32-mep", |
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28 | "elf32-mep-little") |
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29 | OUTPUT_ARCH(mep) |
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30 | ENTRY(_reset) |
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31 | |
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32 | MEMORY |
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33 | { |
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34 | /* begin-memory */ |
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35 | VEC (r) : ORIGIN = 0x00000000, LENGTH = 0x000000b8 |
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36 | ROM (r) : ORIGIN = 0x000000b8, LENGTH = 0x001fff48 |
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37 | RAM (w) : ORIGIN = 0x00800000, LENGTH = 0x00800000 |
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38 | /* end-memory */ |
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39 | } |
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40 | |
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41 | SECTIONS |
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42 | { |
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43 | /* Sections to be placed in the vec area. */ |
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44 | .vec : { *(.vec) } >VEC /* VEC-section */ |
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45 | |
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46 | /* Sections to be placed in the HWINIT area. */ |
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47 | .hwinit : { *(.hwinit) } >HWINIT /* HWINIT-section */ |
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48 | |
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49 | /* Sections to be placed in the ROM area. */ |
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50 | .gnu.version : { *(.gnu.version) } >ROM /* ROM-section */ |
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51 | .gnu.version_d : { *(.gnu.version_d) } >ROM /* ROM-section */ |
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52 | .gnu.version_r : { *(.gnu.version_r) } >ROM /* ROM-section */ |
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53 | |
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54 | /* Sections to be placed in the romdata.s area. */ |
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55 | .srodata : |
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56 | { |
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57 | __sdabase = . + 0x8000; |
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58 | *(.srodata) *(.srodata.*) *(.gnu.linkonce.srd.*) |
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59 | } >RAM /* DATA-section */ |
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60 | |
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61 | /* Sections to be placed in the data.s area. */ |
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62 | .sdata : |
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63 | { |
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64 | *(.sdata) |
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65 | *(.sdata.*) |
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66 | *(.gnu.linkonce.s.*) |
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67 | } >RAM /* DATA-section */ |
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68 | .sbss : |
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69 | { |
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70 | PROVIDE (__sbss_start = .); |
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71 | PROVIDE (___sbss_start = .); |
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72 | *(.dynsbss) |
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73 | *(.sbss) |
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74 | *(.sbss.*) |
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75 | *(.gnu.linkonce.sb.*) |
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76 | *(.scommon) |
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77 | PROVIDE (__sbss_end = .); |
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78 | PROVIDE (___sbss_end = .); |
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79 | /* Assert maximum size */ |
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80 | __assert_tiny_size = ASSERT ((. < __sdabase) || ((. - __sdabase) <= 0x8000), |
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81 | "tiny section overflow"); |
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82 | } >RAM /* DATA-section */ |
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83 | |
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84 | /* Sections to be placed in the data.m area. */ |
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85 | .data : |
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86 | { |
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87 | __data_start = . ; |
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88 | *(.data) |
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89 | *(.data.*) |
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90 | *(.gnu.linkonce.d.*) |
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91 | SORT(CONSTRUCTORS) |
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92 | } >RAM /* DATA-section */ |
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93 | .data1 : { *(.data1) } >RAM /* DATA-section */ |
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94 | .eh_frame : { KEEP (*(.eh_frame))} >RAM /* DATA-section */ |
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95 | .gcc_except_table : { *(.gcc_except_table) *(.gcc_except_table.*) } >RAM /* DATA-section */ |
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96 | .dynamic : { *(.dynamic) } >RAM /* DATA-section */ |
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97 | .ctors : |
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98 | { |
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99 | /* gcc uses crtbegin.o to find the start of |
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100 | the constructors, so we make sure it is |
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101 | first. Because this is a wildcard, it |
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102 | doesn't matter if the user does not |
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103 | actually link against crtbegin.o; the |
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104 | linker won't look for a file to match a |
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105 | wildcard. The wildcard also means that it |
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106 | doesn't matter which directory crtbegin.o |
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107 | is in. */ |
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108 | KEEP (*crtbegin.o(.ctors)) |
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109 | /* We don't want to include the .ctor section from |
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110 | from the crtend.o file until after the sorted ctors. |
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111 | The .ctor section from the crtend file contains the |
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112 | end of ctors marker and it must be last */ |
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113 | KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors)) |
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114 | KEEP (*(SORT(.ctors.*))) |
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115 | KEEP (*(.ctors)) |
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116 | } >RAM /* DATA-section */ |
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117 | .dtors : |
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118 | { |
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119 | KEEP (*crtbegin.o(.dtors)) |
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120 | KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors)) |
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121 | KEEP (*(SORT(.dtors.*))) |
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122 | KEEP (*(.dtors)) |
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123 | } >RAM /* DATA-section */ |
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124 | .jcr : |
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125 | { |
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126 | . = ALIGN(4); |
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127 | *(.jcr) |
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128 | } >RAM /* DATA-section */ |
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129 | .got : |
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130 | { |
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131 | *(.got.plt) *(.got) |
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132 | _edata = .; |
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133 | PROVIDE (edata = .); |
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134 | } >RAM /* DATA-section */ |
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135 | .based : |
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136 | { |
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137 | __tpbase = .; |
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138 | *(.based) *(.based.*) *(.gnu.linkonce.based.*) |
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139 | /* Assert maximum size */ |
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140 | __assert_based_size = ASSERT ((. - __tpbase) <= 0x80, |
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141 | "based section overflow"); |
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142 | } >RAM /* DATA-section */ |
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143 | |
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144 | .bss : |
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145 | { |
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146 | __bss_start = .; |
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147 | *(.dynbss) |
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148 | *(.bss) |
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149 | *(.bss.*) |
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150 | *(.gnu.linkonce.b.*) |
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151 | *(COMMON) |
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152 | /* Align here to ensure that the .bss section occupies space up to |
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153 | _end. Align after .bss to ensure correct alignment even if the |
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154 | .bss section disappears because there are no input sections. */ |
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155 | . = ALIGN(32 / 8); |
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156 | _end = .; |
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157 | PROVIDE (end = .); |
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158 | } >RAM /* DATA-section */ |
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159 | |
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160 | /* Sections to be placed in the code.m area. */ |
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161 | .init : |
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162 | { |
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163 | KEEP (*(.init)) |
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164 | } >RAM /* CODE-section */ |
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165 | .plt : { *(.plt) } >RAM /* DATA-section */ |
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166 | .text : |
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167 | { |
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168 | *(.text) |
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169 | *(.text.*) |
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170 | *(.stub) |
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171 | /* .gnu.warning sections are handled specially by elf32.em. */ |
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172 | *(.gnu.warning) |
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173 | *(.gnu.linkonce.t.*) |
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174 | } >RAM /* CODE-section */ =0 |
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175 | .vtext ALIGN(8) : |
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176 | { |
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177 | *(.vtext) *(.vtext.*) *(.gnu.linkonce.v.*) |
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178 | } >RAM /* CODE-section */ |
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179 | .fini : |
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180 | { |
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181 | KEEP (*(.fini)) |
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182 | PROVIDE (__etext = .); |
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183 | PROVIDE (_etext = .); |
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184 | PROVIDE (etext = .); |
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185 | } >RAM /* CODE-section */ =0 |
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186 | |
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187 | /* Sections to be placed in the romdata.m area. */ |
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188 | .rodata : { *(.rodata) *(.rodata.*) *(.gnu.linkonce.r.*) } >RAM /* DATA-section */ |
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189 | .rodata1 : { *(.rodata1) } >RAM /* DATA-section */ |
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190 | |
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191 | /* Sections to be placed in the code.l area. */ |
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192 | .ftext : { *(.ftext) *(.ftext.*) *(.gnu.linkonce.ft.*) } >RAM /* CODE-section */ |
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193 | .vftext ALIGN(8) : |
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194 | { |
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195 | *(.vftext) *(.vftext.*) *(.gnu.linkonce.vf.*) |
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196 | } >RAM /* CODE-section */ |
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197 | |
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198 | /* Sections to be placed in the romdata.l area. */ |
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199 | .frodata : |
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200 | { |
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201 | *(.frodata) *(.frodata.*) *(.gnu.linkonce.frd.*) |
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202 | __assert_near_size = ASSERT (. <= 0x1000000, "near section overflow"); |
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203 | } >RAM /* DATA-section */ |
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204 | |
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205 | /* Sections to be placed in the data.l area. */ |
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206 | .far : { *(.far) *(.far.*) *(.gnu.linkonce.far.*) } >RAM /* DATA-section */ |
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207 | .farbss : |
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208 | { PROVIDE (__farbss_start = .); |
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209 | *(.farbss) *(.farbss.*) |
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210 | PROVIDE (__farbss_end = .); |
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211 | } >RAM /* DATA-section */ |
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212 | |
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213 | /* END-mep-sections */ |
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214 | |
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215 | /* begin-stack-table */ |
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216 | __stack0 = (__stack - (0 * (__stack_size / 1)) + 15) / 16 * 16; |
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217 | |
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218 | .rostacktab : |
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219 | { |
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220 | /* Emit a table describing the location of the different stacks. |
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221 | Only 1 processor in the default configuration. */ |
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222 | . = ALIGN(4); |
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223 | __stack_table = .; |
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224 | LONG (__stack0); |
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225 | __stack_end = .; |
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226 | } >RAM |
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227 | /* end-stack-table */ |
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228 | |
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229 | /* begin-heap */ |
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230 | /* End of DATA is 0x00800000 + 0x00800000. That's where the heap will end. */ |
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231 | __heap_end = 0x00800000 + 0x00800000 - 1; |
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232 | /* end-heap */ |
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233 | |
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234 | /* Default stack size is 1M. That's where the heap will start if there's |
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235 | room. If there's not enough room, allocate half of the remaining space |
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236 | for stack and half for heap. Align the heap on a 16 byte boundary. */ |
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237 | __stack_size = (__stack_end + 0x100000 <= __heap_end + 1 |
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238 | ? 0x100000 |
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239 | : ((__heap_end + 1 - __stack_end) / 2)); |
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240 | __heap = (__stack_end + __stack_size + 15) / 16 * 16; |
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241 | |
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242 | /* Leave 16 bytes between the stack and the heap. */ |
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243 | __stack = __heap - 0x10; |
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244 | |
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245 | /* Stabs debugging sections. */ |
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246 | .stab 0 : { *(.stab) } |
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247 | .stabstr 0 : { *(.stabstr) } |
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248 | .stab.excl 0 : { *(.stab.excl) } |
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249 | .stab.exclstr 0 : { *(.stab.exclstr) } |
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250 | .stab.index 0 : { *(.stab.index) } |
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251 | .stab.indexstr 0 : { *(.stab.indexstr) } |
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252 | .comment 0 : { *(.comment) } |
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253 | /* DWARF debug sections. |
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254 | Symbols in the DWARF debugging sections are relative to the beginning |
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255 | of the section so we begin them at 0. */ |
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256 | /* DWARF 1 */ |
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257 | .debug 0 : { *(.debug) } |
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258 | .line 0 : { *(.line) } |
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259 | /* GNU DWARF 1 extensions */ |
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260 | .debug_srcinfo 0 : { *(.debug_srcinfo) } |
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261 | .debug_sfnames 0 : { *(.debug_sfnames) } |
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262 | /* DWARF 1.1 and DWARF 2 */ |
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263 | .debug_aranges 0 : { *(.debug_aranges) } |
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264 | .debug_pubnames 0 : { *(.debug_pubnames) } |
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265 | /* DWARF 2 */ |
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266 | .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) } |
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267 | .debug_abbrev 0 : { *(.debug_abbrev) } |
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268 | .debug_line 0 : { *(.debug_line) } |
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269 | .debug_frame 0 : { *(.debug_frame) } |
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270 | .debug_str 0 : { *(.debug_str) } |
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271 | .debug_loc 0 : { *(.debug_loc) } |
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272 | .debug_macinfo 0 : { *(.debug_macinfo) } |
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273 | .debug_ranges 0 : { *(.debug_ranges) } |
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274 | /* SGI/MIPS DWARF 2 extensions */ |
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275 | .debug_weaknames 0 : { *(.debug_weaknames) } |
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276 | .debug_funcnames 0 : { *(.debug_funcnames) } |
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277 | .debug_typenames 0 : { *(.debug_typenames) } |
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278 | .debug_varnames 0 : { *(.debug_varnames) } |
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279 | /* These must appear regardless of . */ |
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280 | } |
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