diff options
Diffstat (limited to 'sysdeps/wordsize-32/divdi3-symbol-hacks.h')
| -rw-r--r-- | sysdeps/wordsize-32/divdi3-symbol-hacks.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sysdeps/wordsize-32/divdi3-symbol-hacks.h b/sysdeps/wordsize-32/divdi3-symbol-hacks.h new file mode 100644 index 0000000000..8d49aacaeb --- /dev/null +++ b/sysdeps/wordsize-32/divdi3-symbol-hacks.h @@ -0,0 +1,31 @@ +/* Hacks needed for divdi3 symbol manipulation. + Copyright (C) 2004-2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +/* A very dirty trick: gcc emits references to __divdi3, __udivdi3, + __moddi3, and __umoddi3. These functions are exported and + therefore we get PLTs. Unnecessarily so. Changing gcc is a big + task which might not be worth it so we play tricks with the + assembler. + Note: in_divdi3_c is only used to avoid symbol alias on divdi3 + build itself. */ +#if !defined __ASSEMBLER__ && !defined in_divdi3_c && IS_IN (libc) && defined SHARED +asm ("__divdi3 = __divdi3_internal"); +asm ("__udivdi3 = __udivdi3_internal"); +asm ("__moddi3 = __moddi3_internal"); +asm ("__umoddi3 = __umoddi3_internal"); +#endif |