1# Copyright (C) 2008-2018 Free Software Foundation, Inc. 2# 3# This file is part of GCC. 4# 5# GCC is free software; you can redistribute it and/or modify 6# it under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 3, or (at your option) 8# any later version. 9# 10# GCC is distributed in the hope that it will be useful, 11# but WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13# GNU General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with GCC; see the file COPYING3. If not see 17# <http://www.gnu.org/licenses/>. 18 19# In order to work around the very problems that force us to now generally 20# create a libgcc.so, glibc reexported a number of routines from libgcc.a. 21# By now choosing the same version tags for these specific routines, we 22# maintain enough binary compatibility to allow future versions of glibc 23# to defer implementation of these routines to libgcc.so via DT_AUXILIARY. 24 25%ifndef __x86_64__ 26%exclude { 27 __divdi3 28 __moddi3 29 __udivdi3 30 __umoddi3 31 __register_frame 32 __register_frame_table 33 __deregister_frame 34 __register_frame_info 35 __deregister_frame_info 36 __frame_state_for 37 __register_frame_info_table 38} 39 40%inherit GCC_3.0 GLIBC_2.0 41GLIBC_2.0 { 42 # Sampling of DImode arithmetic used by (at least) i386 and m68k. 43 __divdi3 44 __moddi3 45 __udivdi3 46 __umoddi3 47 48 # Exception handling support functions used by most everyone. 49 __register_frame 50 __register_frame_table 51 __deregister_frame 52 __register_frame_info 53 __deregister_frame_info 54 __frame_state_for 55 __register_frame_info_table 56} 57%endif 58 59# 128 bit long double support was introduced with GCC 4.3.0 to 64bit 60# and with GCC 4.4.0 to 32bit. These lines make the symbols to get 61# a @@GCC_4.3.0 or @@GCC_4.4.0 attached. 62 63%exclude { 64 __addtf3 65 __divtc3 66 __divtf3 67 __eqtf2 68 __extenddftf2 69 __extendsftf2 70 __extendxftf2 71 __fixtfdi 72 __fixtfsi 73 __fixtfti 74 __fixunstfdi 75 __fixunstfsi 76 __fixunstfti 77 __floatditf 78 __floatsitf 79 __floattitf 80 __floatunditf 81 __floatunsitf 82 __floatuntitf 83 __getf2 84 __gttf2 85 __letf2 86 __lttf2 87 __multc3 88 __multf3 89 __negtf2 90 __netf2 91 __powitf2 92 __subtf3 93 __trunctfdf2 94 __trunctfsf2 95 __trunctfxf2 96 __unordtf2 97} 98 99%ifdef __x86_64__ 100# Those symbols had improper versions when they were added to gcc 4.3.0. 101# We corrected the default version to GCC_4.3.0. But we keep the old 102# version for backward binary compatibility. 103GCC_3.0 { 104 __gttf2 105 __lttf2 106 __netf2 107} 108 109GCC_4.0.0 { 110 __divtc3 111 __multc3 112 __powitf2 113} 114 115GCC_4.3.0 { 116 __addtf3 117 __divtc3 118 __divtf3 119 __eqtf2 120 __extenddftf2 121 __extendsftf2 122 __extendxftf2 123 __fixtfdi 124 __fixtfsi 125 __fixtfti 126 __fixunstfdi 127 __fixunstfsi 128 __fixunstfti 129 __floatditf 130 __floatsitf 131 __floattitf 132 __floatunditf 133 __floatunsitf 134 __floatuntitf 135 __getf2 136 __gttf2 137 __letf2 138 __lttf2 139 __multc3 140 __multf3 141 __negtf2 142 __netf2 143 __powitf2 144 __subtf3 145 __trunctfdf2 146 __trunctfsf2 147 __trunctfxf2 148 __unordtf2 149} 150 151GCC_4.8.0 { 152 __cpu_model 153 __cpu_indicator_init 154} 155%else 156GCC_4.4.0 { 157 __addtf3 158 __copysigntf3 159 __divtc3 160 __divtf3 161 __eqtf2 162 __extenddftf2 163 __extendsftf2 164 __fabstf2 165 __fixtfdi 166 __fixtfsi 167 __fixunstfdi 168 __fixunstfsi 169 __floatditf 170 __floatsitf 171 __floatunditf 172 __floatunsitf 173 __getf2 174 __gttf2 175 __letf2 176 __lttf2 177 __multc3 178 __multf3 179 __negtf2 180 __netf2 181 __powitf2 182 __subtf3 183 __trunctfdf2 184 __trunctfsf2 185 __trunctfxf2 186 __unordtf2 187} 188GCC_4.5.0 { 189 __extendxftf2 190} 191 192GCC_4.8.0 { 193 __cpu_model 194 __cpu_indicator_init 195} 196%endif 197