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1 # Copyright (C) 2008-2020 Free Software Foundation, Inc.
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2 #
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3 # This file is part of GCC.
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4 #
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5 # GCC is free software; you can redistribute it and/or modify
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6 # it under the terms of the GNU General Public License as published by
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7 # the Free Software Foundation; either version 3, or (at your option)
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8 # any later version.
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9 #
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10 # GCC is distributed in the hope that it will be useful,
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11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 # GNU General Public License for more details.
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14 #
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15 # You should have received a copy of the GNU General Public License
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16 # along with GCC; see the file COPYING3. If not see
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17 # <http://www.gnu.org/licenses/>.
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18
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19 # In order to work around the very problems that force us to now generally
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20 # create a libgcc.so, glibc reexported a number of routines from libgcc.a.
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21 # By now choosing the same version tags for these specific routines, we
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22 # maintain enough binary compatibility to allow future versions of glibc
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23 # to defer implementation of these routines to libgcc.so via DT_AUXILIARY.
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24
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25 %ifndef __x86_64__
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26 %exclude {
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27 __divdi3
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28 __moddi3
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29 __udivdi3
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30 __umoddi3
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31 __register_frame
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32 __register_frame_table
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33 __deregister_frame
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34 __register_frame_info
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35 __deregister_frame_info
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36 __frame_state_for
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37 __register_frame_info_table
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38 }
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39
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40 %inherit GCC_3.0 GLIBC_2.0
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41 GLIBC_2.0 {
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42 # Sampling of DImode arithmetic used by (at least) i386 and m68k.
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43 __divdi3
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44 __moddi3
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45 __udivdi3
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46 __umoddi3
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47
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48 # Exception handling support functions used by most everyone.
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49 __register_frame
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50 __register_frame_table
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51 __deregister_frame
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52 __register_frame_info
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53 __deregister_frame_info
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54 __frame_state_for
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55 __register_frame_info_table
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56 }
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57 %endif
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58
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59 # 128 bit long double support was introduced with GCC 4.3.0 to 64bit
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60 # and with GCC 4.4.0 to 32bit. These lines make the symbols to get
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61 # a @@GCC_4.3.0 or @@GCC_4.4.0 attached.
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62
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63 %exclude {
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64 __addtf3
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65 __divtc3
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66 __divtf3
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67 __eqtf2
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68 __extenddftf2
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69 __extendsftf2
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70 __extendxftf2
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71 __fixtfdi
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72 __fixtfsi
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73 __fixtfti
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74 __fixunstfdi
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75 __fixunstfsi
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76 __fixunstfti
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77 __floatditf
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78 __floatsitf
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79 __floattitf
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80 __floatunditf
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81 __floatunsitf
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82 __floatuntitf
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83 __getf2
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84 __gttf2
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85 __letf2
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86 __lttf2
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87 __multc3
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88 __multf3
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89 __negtf2
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90 __netf2
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91 __powitf2
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92 __subtf3
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93 __trunctfdf2
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94 __trunctfsf2
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95 __trunctfxf2
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96 __unordtf2
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97 }
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98
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99 %ifdef __x86_64__
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100 # Those symbols had improper versions when they were added to gcc 4.3.0.
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101 # We corrected the default version to GCC_4.3.0. But we keep the old
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102 # version for backward binary compatibility.
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103 GCC_3.0 {
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104 __gttf2
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105 __lttf2
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106 __netf2
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107 }
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108
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109 GCC_4.0.0 {
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110 __divtc3
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111 __multc3
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112 __powitf2
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113 }
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114
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115 GCC_4.3.0 {
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116 __addtf3
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117 __divtc3
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118 __divtf3
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119 __eqtf2
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120 __extenddftf2
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121 __extendsftf2
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122 __extendxftf2
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123 __fixtfdi
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124 __fixtfsi
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125 __fixtfti
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126 __fixunstfdi
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127 __fixunstfsi
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128 __fixunstfti
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129 __floatditf
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130 __floatsitf
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131 __floattitf
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132 __floatunditf
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133 __floatunsitf
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134 __floatuntitf
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135 __getf2
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136 __gttf2
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137 __letf2
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138 __lttf2
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139 __multc3
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140 __multf3
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141 __negtf2
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142 __netf2
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143 __powitf2
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144 __subtf3
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145 __trunctfdf2
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146 __trunctfsf2
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147 __trunctfxf2
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148 __unordtf2
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149 }
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150
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151 GCC_4.8.0 {
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152 __cpu_model
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153 __cpu_indicator_init
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154 }
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155 %else
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156 GCC_4.4.0 {
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157 __addtf3
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158 __copysigntf3
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159 __divtc3
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160 __divtf3
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161 __eqtf2
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162 __extenddftf2
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163 __extendsftf2
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164 __fabstf2
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165 __fixtfdi
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166 __fixtfsi
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167 __fixunstfdi
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168 __fixunstfsi
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169 __floatditf
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170 __floatsitf
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171 __floatunditf
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172 __floatunsitf
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173 __getf2
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174 __gttf2
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175 __letf2
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176 __lttf2
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177 __multc3
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178 __multf3
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179 __negtf2
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180 __netf2
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181 __powitf2
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182 __subtf3
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183 __trunctfdf2
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184 __trunctfsf2
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185 __trunctfxf2
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186 __unordtf2
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187 }
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188 GCC_4.5.0 {
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189 __extendxftf2
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190 }
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191
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192 GCC_4.8.0 {
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193 __cpu_model
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194 __cpu_indicator_init
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195 }
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196 %endif
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