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57 lines
2.1 KiB
C++
57 lines
2.1 KiB
C++
//===-- sanitizer_allocator_internal.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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//
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// This allocator is used inside run-times.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SANITIZER_ALLOCATOR_INTERNAL_H
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#define SANITIZER_ALLOCATOR_INTERNAL_H
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#include "sanitizer_allocator.h"
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#include "sanitizer_internal_defs.h"
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namespace __sanitizer {
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// FIXME: Check if we may use even more compact size class map for internal
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// purposes.
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typedef CompactSizeClassMap InternalSizeClassMap;
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struct AP32 {
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static const uptr kSpaceBeg = 0;
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static const u64 kSpaceSize = SANITIZER_MMAP_RANGE_SIZE;
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static const uptr kMetadataSize = 0;
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typedef InternalSizeClassMap SizeClassMap;
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static const uptr kRegionSizeLog = 20;
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using AddressSpaceView = LocalAddressSpaceView;
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typedef NoOpMapUnmapCallback MapUnmapCallback;
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static const uptr kFlags = 0;
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};
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typedef SizeClassAllocator32<AP32> PrimaryInternalAllocator;
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typedef CombinedAllocator<PrimaryInternalAllocator,
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LargeMmapAllocatorPtrArrayStatic>
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InternalAllocator;
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typedef InternalAllocator::AllocatorCache InternalAllocatorCache;
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void *InternalAlloc(uptr size, InternalAllocatorCache *cache = nullptr,
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uptr alignment = 0);
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void *InternalRealloc(void *p, uptr size,
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InternalAllocatorCache *cache = nullptr);
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void *InternalReallocArray(void *p, uptr count, uptr size,
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InternalAllocatorCache *cache = nullptr);
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void *InternalCalloc(uptr count, uptr size,
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InternalAllocatorCache *cache = nullptr);
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void InternalFree(void *p, InternalAllocatorCache *cache = nullptr);
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void InternalAllocatorLock();
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void InternalAllocatorUnlock();
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InternalAllocator *internal_allocator();
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} // namespace __sanitizer
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#endif // SANITIZER_ALLOCATOR_INTERNAL_H
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