| 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 | |
| 20 | namespace __hwasan { |
| 21 | |
| 22 | uptr TagMemory(uptr p, uptr size, tag_t tag) { |
| 23 | uptr start = RoundDownTo(x: p, boundary: kShadowAlignment); |
| 24 | uptr end = RoundUpTo(size: p + size, boundary: kShadowAlignment); |
| 25 | return TagMemoryAligned(p: start, size: end - start, tag); |
| 26 | } |
| 27 | |
| 28 | } // namespace __hwasan |
| 29 | |
| 30 | // --- Implementation of LSan-specific functions --- {{{1 |
| 31 | namespace __lsan { |
| 32 | bool WordIsPoisoned(uptr addr) { |
| 33 | // Fixme: implement actual tag checking. |
| 34 | return false; |
| 35 | } |
| 36 | } // namespace __lsan |
| 37 |