10b57cec5SDimitry Andric //===-- hwasan_poisoning.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 // This file is a part of HWAddressSanitizer. 100b57cec5SDimitry Andric // 110b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 120b57cec5SDimitry Andric 130b57cec5SDimitry Andric #include "hwasan_poisoning.h" 140b57cec5SDimitry Andric 150b57cec5SDimitry Andric #include "hwasan_mapping.h" 160b57cec5SDimitry Andric #include "interception/interception.h" 170b57cec5SDimitry Andric #include "sanitizer_common/sanitizer_common.h" 180b57cec5SDimitry Andric #include "sanitizer_common/sanitizer_linux.h" 190b57cec5SDimitry Andric 200b57cec5SDimitry Andric namespace __hwasan { 210b57cec5SDimitry Andric TagMemory(uptr p,uptr size,tag_t tag)220b57cec5SDimitry Andricuptr TagMemory(uptr p, uptr size, tag_t tag) { 230b57cec5SDimitry Andric uptr start = RoundDownTo(p, kShadowAlignment); 240b57cec5SDimitry Andric uptr end = RoundUpTo(p + size, kShadowAlignment); 250b57cec5SDimitry Andric return TagMemoryAligned(start, end - start, tag); 260b57cec5SDimitry Andric } 270b57cec5SDimitry Andric 280b57cec5SDimitry Andric } // namespace __hwasan 29*bdd1243dSDimitry Andric 30*bdd1243dSDimitry Andric // --- Implementation of LSan-specific functions --- {{{1 31*bdd1243dSDimitry Andric namespace __lsan { WordIsPoisoned(uptr addr)32*bdd1243dSDimitry Andricbool WordIsPoisoned(uptr addr) { 33*bdd1243dSDimitry Andric // Fixme: implement actual tag checking. 34*bdd1243dSDimitry Andric return false; 35*bdd1243dSDimitry Andric } 36*bdd1243dSDimitry Andric } // namespace __lsan 37