10b57cec5SDimitry Andric //===-- hwasan_memintrinsics.cpp --------------------------------*- C++ -*-===// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric /// 90b57cec5SDimitry Andric /// \file 100b57cec5SDimitry Andric /// This file is a part of HWAddressSanitizer and contains HWASAN versions of 110b57cec5SDimitry Andric /// memset, memcpy and memmove 120b57cec5SDimitry Andric /// 130b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 140b57cec5SDimitry Andric 150b57cec5SDimitry Andric #include <string.h> 160b57cec5SDimitry Andric #include "hwasan.h" 170b57cec5SDimitry Andric #include "hwasan_checks.h" 180b57cec5SDimitry Andric #include "hwasan_flags.h" 190b57cec5SDimitry Andric #include "hwasan_interface_internal.h" 200b57cec5SDimitry Andric #include "sanitizer_common/sanitizer_libc.h" 210b57cec5SDimitry Andric 220b57cec5SDimitry Andric using namespace __hwasan; 230b57cec5SDimitry Andric 240b57cec5SDimitry Andric void *__hwasan_memset(void *block, int c, uptr size) { 250b57cec5SDimitry Andric CheckAddressSized<ErrorAction::Recover, AccessType::Store>( 260b57cec5SDimitry Andric reinterpret_cast<uptr>(block), size); 27fe6060f1SDimitry Andric return memset(block, c, size); 280b57cec5SDimitry Andric } 290b57cec5SDimitry Andric 300b57cec5SDimitry Andric void *__hwasan_memcpy(void *to, const void *from, uptr size) { 310b57cec5SDimitry Andric CheckAddressSized<ErrorAction::Recover, AccessType::Store>( 320b57cec5SDimitry Andric reinterpret_cast<uptr>(to), size); 330b57cec5SDimitry Andric CheckAddressSized<ErrorAction::Recover, AccessType::Load>( 340b57cec5SDimitry Andric reinterpret_cast<uptr>(from), size); 35fe6060f1SDimitry Andric return memcpy(to, from, size); 360b57cec5SDimitry Andric } 370b57cec5SDimitry Andric 380b57cec5SDimitry Andric void *__hwasan_memmove(void *to, const void *from, uptr size) { 390b57cec5SDimitry Andric CheckAddressSized<ErrorAction::Recover, AccessType::Store>( 400b57cec5SDimitry Andric reinterpret_cast<uptr>(to), size); 410b57cec5SDimitry Andric CheckAddressSized<ErrorAction::Recover, AccessType::Load>( 420b57cec5SDimitry Andric reinterpret_cast<uptr>(from), size); 43*1fd87a68SDimitry Andric return memmove(to, from, size); 440b57cec5SDimitry Andric } 45