1 /* Hacks needed for divdi3 symbol manipulation. 2 Copyright (C) 2004-2021 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library 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 GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 /* A very dirty trick: gcc emits references to __divdi3, __udivdi3, 20 __moddi3, and __umoddi3. These functions are exported and 21 therefore we get PLTs. Unnecessarily so. Changing gcc is a big 22 task which might not be worth it so we play tricks with the 23 assembler. 24 Note: in_divdi3_c is only used to avoid symbol alias on divdi3 25 build itself. */ 26 #if !defined __ASSEMBLER__ && !defined in_divdi3_c && IS_IN (libc) \ 27 && defined SHARED && !defined LIBC_NONSHARED 28 asm ("__divdi3 = __divdi3_internal"); 29 asm ("__udivdi3 = __udivdi3_internal"); 30 asm ("__moddi3 = __moddi3_internal"); 31 asm ("__umoddi3 = __umoddi3_internal"); 32 #endif 33