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45 lines
992 B
45 lines
992 B
4 months ago
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//===-- bytemap.h -----------------------------------------------*- 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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#ifndef SCUDO_BYTEMAP_H_
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#define SCUDO_BYTEMAP_H_
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#include "atomic_helpers.h"
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#include "common.h"
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#include "mutex.h"
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namespace scudo {
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template <uptr Size> class FlatByteMap {
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public:
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void initLinkerInitialized() {}
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void init() { memset(Map, 0, sizeof(Map)); }
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void unmapTestOnly() {}
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void set(uptr Index, u8 Value) {
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DCHECK_LT(Index, Size);
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DCHECK_EQ(0U, Map[Index]);
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Map[Index] = Value;
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}
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u8 operator[](uptr Index) {
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DCHECK_LT(Index, Size);
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return Map[Index];
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}
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void disable() {}
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void enable() {}
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private:
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u8 Map[Size];
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};
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} // namespace scudo
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#endif // SCUDO_BYTEMAP_H_
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