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-exception 6// 7//===----------------------------------------------------------------------===// 8// 9// This allocator is used inside run-times. 10// 11//===----------------------------------------------------------------------===// 12 13#ifndef SANITIZER_ALLOCATOR_INTERNAL_H 14#define SANITIZER_ALLOCATOR_INTERNAL_H 15 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 internal 22// purposes. 23typedef CompactSizeClassMap InternalSizeClassMap; 24 25struct AP32 { 26 static const uptr kSpaceBeg = 0; 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); 51InternalAllocator *internal_allocator(); 52 53} // namespace __sanitizer 54 55#endif // SANITIZER_ALLOCATOR_INTERNAL_H 56