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diff --git a/gcc-4.9/libgcc/config/i386/libgcc-glibc.ver b/gcc-4.9/libgcc/config/i386/libgcc-glibc.ver
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+# Copyright (C) 2008-2014 Free Software Foundation, Inc.
+#
+# This file is part of GCC.
+#
+# GCC is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GCC is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GCC; see the file COPYING3. If not see
+# <http://www.gnu.org/licenses/>.
+
+# In order to work around the very problems that force us to now generally
+# create a libgcc.so, glibc reexported a number of routines from libgcc.a.
+# By now choosing the same version tags for these specific routines, we
+# maintain enough binary compatibility to allow future versions of glibc
+# to defer implementation of these routines to libgcc.so via DT_AUXILIARY.
+
+%ifndef __x86_64__
+%exclude {
+ __divdi3
+ __moddi3
+ __udivdi3
+ __umoddi3
+ __register_frame
+ __register_frame_table
+ __deregister_frame
+ __register_frame_info
+ __deregister_frame_info
+ __frame_state_for
+ __register_frame_info_table
+}
+
+%inherit GCC_3.0 GLIBC_2.0
+GLIBC_2.0 {
+ # Sampling of DImode arithmetic used by (at least) i386 and m68k.
+ __divdi3
+ __moddi3
+ __udivdi3
+ __umoddi3
+
+ # Exception handling support functions used by most everyone.
+ __register_frame
+ __register_frame_table
+ __deregister_frame
+ __register_frame_info
+ __deregister_frame_info
+ __frame_state_for
+ __register_frame_info_table
+}
+%endif
+
+# 128 bit long double support was introduced with GCC 4.3.0 to 64bit
+# and with GCC 4.4.0 to 32bit. These lines make the symbols to get
+# a @@GCC_4.3.0 or @@GCC_4.4.0 attached.
+
+%exclude {
+ __addtf3
+ __divtc3
+ __divtf3
+ __eqtf2
+ __extenddftf2
+ __extendsftf2
+ __extendxftf2
+ __fixtfdi
+ __fixtfsi
+ __fixtfti
+ __fixunstfdi
+ __fixunstfsi
+ __fixunstfti
+ __floatditf
+ __floatsitf
+ __floattitf
+ __floatunditf
+ __floatunsitf
+ __floatuntitf
+ __getf2
+ __gttf2
+ __letf2
+ __lttf2
+ __multc3
+ __multf3
+ __negtf2
+ __netf2
+ __powitf2
+ __subtf3
+ __trunctfdf2
+ __trunctfsf2
+ __trunctfxf2
+ __unordtf2
+}
+
+%ifdef __x86_64__
+# Those symbols had improper versions when they were added to gcc 4.3.0.
+# We corrected the default version to GCC_4.3.0. But we keep the old
+# version for backward binary compatibility.
+GCC_3.0 {
+ __gttf2
+ __lttf2
+ __netf2
+}
+
+GCC_4.0.0 {
+ __divtc3
+ __multc3
+ __powitf2
+}
+
+GCC_4.3.0 {
+ __addtf3
+ __divtc3
+ __divtf3
+ __eqtf2
+ __extenddftf2
+ __extendsftf2
+ __extendxftf2
+ __fixtfdi
+ __fixtfsi
+ __fixtfti
+ __fixunstfdi
+ __fixunstfsi
+ __fixunstfti
+ __floatditf
+ __floatsitf
+ __floattitf
+ __floatunditf
+ __floatunsitf
+ __floatuntitf
+ __getf2
+ __gttf2
+ __letf2
+ __lttf2
+ __multc3
+ __multf3
+ __negtf2
+ __netf2
+ __powitf2
+ __subtf3
+ __trunctfdf2
+ __trunctfsf2
+ __trunctfxf2
+ __unordtf2
+}
+
+GCC_4.8.0 {
+ __cpu_model
+ __cpu_indicator_init
+}
+%else
+GCC_4.4.0 {
+ __addtf3
+ __copysigntf3
+ __divtc3
+ __divtf3
+ __eqtf2
+ __extenddftf2
+ __extendsftf2
+ __fabstf2
+ __fixtfdi
+ __fixtfsi
+ __fixunstfdi
+ __fixunstfsi
+ __floatditf
+ __floatsitf
+ __floatunditf
+ __floatunsitf
+ __getf2
+ __gttf2
+ __letf2
+ __lttf2
+ __multc3
+ __multf3
+ __negtf2
+ __netf2
+ __powitf2
+ __subtf3
+ __trunctfdf2
+ __trunctfsf2
+ __trunctfxf2
+ __unordtf2
+}
+GCC_4.5.0 {
+ __extendxftf2
+}
+
+GCC_4.8.0 {
+ __cpu_model
+ __cpu_indicator_init
+}
+%endif