1# Copyright (C) 2002, 2006, 2008 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# Note that we cannot use the default libgcc-glibc.ver file on s390x, 26# because GLIBC_2.0 does not exist on this architecture, as the first 27# ever glibc release on the platform was GLIBC_2.2. 28 29%ifndef __s390x__ 30%exclude { 31 __divdi3 32 __moddi3 33 __udivdi3 34 __umoddi3 35 __register_frame 36 __register_frame_table 37 __deregister_frame 38 __register_frame_info 39 __deregister_frame_info 40 __frame_state_for 41 __register_frame_info_table 42} 43 44%inherit GCC_3.0 GLIBC_2.0 45GLIBC_2.0 { 46 __divdi3 47 __moddi3 48 __udivdi3 49 __umoddi3 50 51 __register_frame 52 __register_frame_table 53 __deregister_frame 54 __register_frame_info 55 __deregister_frame_info 56 __frame_state_for 57 __register_frame_info_table 58} 59%endif 60 61%ifdef __s390x__ 62%exclude { 63 __register_frame 64 __register_frame_table 65 __deregister_frame 66 __register_frame_info 67 __deregister_frame_info 68 __frame_state_for 69 __register_frame_info_table 70} 71 72%inherit GCC_3.0 GLIBC_2.2 73GLIBC_2.2 { 74 __register_frame 75 __register_frame_table 76 __deregister_frame 77 __register_frame_info 78 __deregister_frame_info 79 __frame_state_for 80 __register_frame_info_table 81} 82%endif 83 84# With GCC 4.1.0 long double 128 bit support was introduced. The 85# following symbols coming from libgcc are enabled when -mlong-double-128 86# is specified. These lines make the symbols to get a @@GCC_4.1.0 attached. 87 88%exclude { 89 __divtc3 90 __multc3 91 __powitf2 92 __fixtfti 93 __fixunstfti 94 __floattitf 95 96 __fixtfdi 97 __fixunstfdi 98 __floatditf 99} 100 101GCC_4.1.0 { 102 __divtc3 103 __multc3 104 __powitf2 105 106%ifdef __s390x__ 107 __fixtfti 108 __fixunstfti 109 __floattitf 110 111%else 112 __fixtfdi 113 __fixunstfdi 114 __floatditf 115%endif 116} 117