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1 | # Copyright (C) 2002-2019 Free Software Foundation, Inc. |
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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 | |
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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, |
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26 | # because GLIBC_2.0 does not exist on this architecture, as the first |
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27 | # ever glibc release on the platform was GLIBC_2.2. |
| 28 | |
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29 | %ifndef __s390x__ |
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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 | |
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44 | %inherit GCC_3.0 GLIBC_2.0 |
| 45 | GLIBC_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__ |
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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 | |
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72 | %inherit GCC_3.0 GLIBC_2.2 |
| 73 | GLIBC_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 | } |
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82 | %endif |
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83 | |
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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 | |
| 101 | GCC_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 | } |
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