| /* Copyright (C) 2008-2022 Free Software Foundation, Inc. |
| Contributed by Richard Henderson <rth@redhat.com>. |
| |
| This file is part of the GNU Transactional Memory Library (libitm). |
| |
| Libitm 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 of the License, or |
| (at your option) any later version. |
| |
| Libitm 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. |
| |
| Under Section 7 of GPL version 3, you are granted additional |
| permissions described in the GCC Runtime Library Exception, version |
| 3.1, as published by the Free Software Foundation. |
| |
| You should have received a copy of the GNU General Public License and |
| a copy of the GCC Runtime Library Exception along with this program; |
| see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include "libitm_i.h" |
| |
| using namespace GTM; |
| |
| bool abi_dispatch::memmove_overlap_check(void *dst, const void *src, |
| size_t size, ls_modifier dst_mod, ls_modifier src_mod) |
| { |
| if (dst_mod == NONTXNAL || src_mod == NONTXNAL) |
| { |
| if (((uintptr_t)dst <= (uintptr_t)src ? |
| (uintptr_t)dst + size > (uintptr_t)src : |
| (uintptr_t)src + size > (uintptr_t)dst)) |
| GTM::GTM_fatal("_ITM_memmove overlapping and t/nt is not allowed"); |
| return false; |
| } |
| return true; |
| } |
| |
| CREATE_DISPATCH_FUNCTIONS(GTM::abi_disp()->, ) |
| |