41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <cstddef>
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#include <cstring>
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#include <unwindstack/Memory.h>
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namespace unwindstack {
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// MemoryLocalUnsafe is a prototype class to compare the performance of MemoryLocal::Read
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// to an "unsafe" read that assumes the local memory address provided is valid (i.e. memory is
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// not corrupted and address range lies within the stack).
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class MemoryLocalUnsafe : public Memory {
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public:
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MemoryLocalUnsafe() = default;
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virtual ~MemoryLocalUnsafe() = default;
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size_t Read(uint64_t addr, void* dst, size_t size) override {
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memcpy(dst, reinterpret_cast<void*>(addr), size);
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return size;
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}
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};
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} // namespace unwindstack
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