52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
/*
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* Copyright (c) 2017, Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include "runtime/utilities/heap_allocator.h"
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#include <stdint.h>
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#include <memory>
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namespace OCLRT {
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const uintptr_t max32BitAddress = 0xffffffff;
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extern bool is32BitOsAllocatorAvailable;
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class Allocator32bit {
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protected:
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class OsInternals;
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public:
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Allocator32bit(uint64_t base, uint64_t size);
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Allocator32bit(Allocator32bit::OsInternals *osInternals);
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Allocator32bit();
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~Allocator32bit();
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uint64_t allocate(size_t &size);
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uintptr_t getBase();
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int free(uint64_t ptr, size_t size);
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protected:
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std::unique_ptr<OsInternals> osInternals;
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std::unique_ptr<HeapAllocator> heapAllocator;
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uint64_t base = 0;
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uint64_t size = 0;
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};
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} // namespace OCLRT
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