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33 lines
898 B
33 lines
898 B
// Copyright 2013 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// MemorySanitizer support.
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#ifndef V8_MSAN_H_
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#define V8_MSAN_H_
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#include "src/globals.h"
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#ifndef __has_feature
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# define __has_feature(x) 0
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#endif
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#if __has_feature(memory_sanitizer) && !defined(MEMORY_SANITIZER)
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# define MEMORY_SANITIZER
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#endif
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#if defined(MEMORY_SANITIZER)
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# include <sanitizer/msan_interface.h> // NOLINT
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// Marks a memory range as uninitialized, as if it was allocated here.
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# define MSAN_ALLOCATED_UNINITIALIZED_MEMORY(p, s) \
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__msan_allocated_memory((p), (s))
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// Marks a memory range as initialized.
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#define MSAN_MEMORY_IS_INITIALIZED(p, s) __msan_unpoison((p), (s))
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#else
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# define MSAN_ALLOCATED_UNINITIALIZED_MEMORY(p, s)
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#define MSAN_MEMORY_IS_INITIALIZED(p, s)
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#endif
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#endif // V8_MSAN_H_
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