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1//===-- sanitizer_allocator_internal.h --------------------------*- C++ -*-===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8//9// This allocator is used inside run-times.10//11//===----------------------------------------------------------------------===//12 13#ifndef SANITIZER_ALLOCATOR_INTERNAL_H14#define SANITIZER_ALLOCATOR_INTERNAL_H15 16#include "sanitizer_allocator.h"17#include "sanitizer_internal_defs.h"18 19namespace __sanitizer {20 21// FIXME: Check if we may use even more compact size class map for internal22// purposes.23typedef CompactSizeClassMap InternalSizeClassMap;24 25struct AP32 {26 static const uptr kSpaceBeg = SANITIZER_MMAP_BEGIN;27 static const u64 kSpaceSize = SANITIZER_MMAP_RANGE_SIZE;28 static const uptr kMetadataSize = 0;29 typedef InternalSizeClassMap SizeClassMap;30 static const uptr kRegionSizeLog = 20;31 using AddressSpaceView = LocalAddressSpaceView;32 typedef NoOpMapUnmapCallback MapUnmapCallback;33 static const uptr kFlags = 0;34};35typedef SizeClassAllocator32<AP32> PrimaryInternalAllocator;36 37typedef CombinedAllocator<PrimaryInternalAllocator,38 LargeMmapAllocatorPtrArrayStatic>39 InternalAllocator;40typedef InternalAllocator::AllocatorCache InternalAllocatorCache;41 42void *InternalAlloc(uptr size, InternalAllocatorCache *cache = nullptr,43 uptr alignment = 0);44void *InternalRealloc(void *p, uptr size,45 InternalAllocatorCache *cache = nullptr);46void *InternalReallocArray(void *p, uptr count, uptr size,47 InternalAllocatorCache *cache = nullptr);48void *InternalCalloc(uptr count, uptr size,49 InternalAllocatorCache *cache = nullptr);50void InternalFree(void *p, InternalAllocatorCache *cache = nullptr);51void InternalAllocatorLock();52void InternalAllocatorUnlock();53InternalAllocator *internal_allocator();54} // namespace __sanitizer55 56#endif // SANITIZER_ALLOCATOR_INTERNAL_H57