| //===-- sanitizer_allocator_internal.h --------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This allocator is used inside run-times. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef SANITIZER_ALLOCATOR_INTERNAL_H |
| #define SANITIZER_ALLOCATOR_INTERNAL_H |
| |
| #include "sanitizer_allocator.h" |
| #include "sanitizer_internal_defs.h" |
| |
| namespace __sanitizer { |
| |
| // FIXME: Check if we may use even more compact size class map for internal |
| // purposes. |
| typedef CompactSizeClassMap InternalSizeClassMap; |
| |
| struct AP32 { |
| static const uptr kSpaceBeg = 0; |
| static const u64 kSpaceSize = SANITIZER_MMAP_RANGE_SIZE; |
| static const uptr kMetadataSize = 0; |
| typedef InternalSizeClassMap SizeClassMap; |
| static const uptr kRegionSizeLog = 20; |
| using AddressSpaceView = LocalAddressSpaceView; |
| typedef NoOpMapUnmapCallback MapUnmapCallback; |
| static const uptr kFlags = 0; |
| }; |
| typedef SizeClassAllocator32<AP32> PrimaryInternalAllocator; |
| |
| typedef CombinedAllocator<PrimaryInternalAllocator, |
| LargeMmapAllocatorPtrArrayStatic> |
| InternalAllocator; |
| typedef InternalAllocator::AllocatorCache InternalAllocatorCache; |
| |
| void *InternalAlloc(uptr size, InternalAllocatorCache *cache = nullptr, |
| uptr alignment = 0); |
| void *InternalRealloc(void *p, uptr size, |
| InternalAllocatorCache *cache = nullptr); |
| void *InternalReallocArray(void *p, uptr count, uptr size, |
| InternalAllocatorCache *cache = nullptr); |
| void *InternalCalloc(uptr count, uptr size, |
| InternalAllocatorCache *cache = nullptr); |
| void InternalFree(void *p, InternalAllocatorCache *cache = nullptr); |
| void InternalAllocatorLock(); |
| void InternalAllocatorUnlock(); |
| InternalAllocator *internal_allocator(); |
| } // namespace __sanitizer |
| |
| #endif // SANITIZER_ALLOCATOR_INTERNAL_H |