8b68aeebd3
Based on comments in D91466, we can make the current implementation linux-speciic. The fuchsia implementation will just be a call to `__sanitizer_fill_shadow`. Differential Revision: https://reviews.llvm.org/D105663
29 lines
945 B
C++
29 lines
945 B
C++
//===-- hwasan_poisoning.cpp ------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of HWAddressSanitizer.
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//
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//===----------------------------------------------------------------------===//
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#include "hwasan_poisoning.h"
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#include "hwasan_mapping.h"
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#include "interception/interception.h"
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#include "sanitizer_common/sanitizer_common.h"
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#include "sanitizer_common/sanitizer_linux.h"
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namespace __hwasan {
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uptr TagMemory(uptr p, uptr size, tag_t tag) {
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uptr start = RoundDownTo(p, kShadowAlignment);
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uptr end = RoundUpTo(p + size, kShadowAlignment);
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return TagMemoryAligned(start, end - start, tag);
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}
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} // namespace __hwasan
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