1//===-- hwasan_poisoning.cpp ------------------------------------*- C++ -*-===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8// 9// This file is a part of HWAddressSanitizer. 10// 11//===----------------------------------------------------------------------===// 12 13#include "hwasan_poisoning.h" 14 15#include "hwasan_mapping.h" 16#include "interception/interception.h" 17#include "sanitizer_common/sanitizer_common.h" 18#include "sanitizer_common/sanitizer_linux.h" 19 20namespace __hwasan { 21 22uptr TagMemory(uptr p, uptr size, tag_t tag) { 23 uptr start = RoundDownTo(p, kShadowAlignment); 24 uptr end = RoundUpTo(p + size, kShadowAlignment); 25 return TagMemoryAligned(start, end - start, tag); 26} 27 28} // namespace __hwasan 29 30// --- Implementation of LSan-specific functions --- {{{1 31namespace __lsan { 32bool WordIsPoisoned(uptr addr) { 33 // Fixme: implement actual tag checking. 34 return false; 35} 36} // namespace __lsan 37