| /* Copyright (C) 2008-2026 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()->, ) | |