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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_CONTAINER_ANNOTATIONS_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_CONTAINER_ANNOTATIONS_H_
#include "build/build_config.h"
#include "third_party/blink/renderer/platform/wtf/sanitizers.h"
// TODO(ochang): Remove the ARCH_CPU_X86_64 condition to enable this for X86
// once the crashes there have been fixed: http://crbug.com/461406
#if defined(ADDRESS_SANITIZER) && \
(BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)) && \
defined(ARCH_CPU_X86_64)
// Annotations require buffers to begin on an 8-byte boundary. See
// documentation:
// https://github.com/llvm-mirror/compiler-rt/blob/master/include/sanitizer/common_interface_defs.h#L154
#define ANNOTATE_CONTIGUOUS_CONTAINER
#define ANNOTATE_NEW_BUFFER(buffer, capacity, newSize) \
if (buffer) { \
__sanitizer_annotate_contiguous_container(buffer, (buffer) + (capacity), \
(buffer) + (capacity), \
(buffer) + (newSize)); \
}
#define ANNOTATE_DELETE_BUFFER(buffer, capacity, oldSize) \
if (buffer) { \
__sanitizer_annotate_contiguous_container(buffer, (buffer) + (capacity), \
(buffer) + (oldSize), \
(buffer) + (capacity)); \
}
#define ANNOTATE_CHANGE_SIZE(buffer, capacity, oldSize, newSize) \
if (buffer) { \
__sanitizer_annotate_contiguous_container(buffer, (buffer) + (capacity), \
(buffer) + (oldSize), \
(buffer) + (newSize)); \
}
#else
#define ANNOTATE_NEW_BUFFER(buffer, capacity, newSize)
#define ANNOTATE_DELETE_BUFFER(buffer, capacity, oldSize)
#define ANNOTATE_CHANGE_SIZE(buffer, capacity, oldSize, newSize)
#endif
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_CONTAINER_ANNOTATIONS_H_
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