| 1 | //===-- sanitizer_allocator_internal.h --------------------------*- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // This allocator is used inside run-times. |
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| 10 | // |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | |
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| 13 | #ifndef SANITIZER_ALLOCATOR_INTERNAL_H |
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| 14 | #define SANITIZER_ALLOCATOR_INTERNAL_H |
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| 15 | |
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| 16 | #include "sanitizer_allocator.h" |
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| 17 | #include "sanitizer_internal_defs.h" |
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| 18 | |
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| 19 | namespace __sanitizer { |
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| 20 | |
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| 21 | // FIXME: Check if we may use even more compact size class map for internal |
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| 22 | // purposes. |
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| 23 | typedef CompactSizeClassMap InternalSizeClassMap; |
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| 24 | |
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| 25 | struct AP32 { |
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| 26 | static const uptr kSpaceBeg = 0; |
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| 27 | static const u64 kSpaceSize = SANITIZER_MMAP_RANGE_SIZE; |
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| 28 | static const uptr kMetadataSize = 0; |
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| 29 | typedef InternalSizeClassMap SizeClassMap; |
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| 30 | static const uptr kRegionSizeLog = 20; |
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| 31 | using AddressSpaceView = LocalAddressSpaceView; |
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| 32 | typedef NoOpMapUnmapCallback MapUnmapCallback; |
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| 33 | static const uptr kFlags = 0; |
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| 34 | }; |
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| 35 | typedef SizeClassAllocator32<AP32> PrimaryInternalAllocator; |
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| 36 | |
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| 37 | typedef CombinedAllocator<PrimaryInternalAllocator, |
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| 38 | LargeMmapAllocatorPtrArrayStatic> |
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| 39 | InternalAllocator; |
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| 40 | typedef InternalAllocator::AllocatorCache InternalAllocatorCache; |
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| 41 | |
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| 42 | void *InternalAlloc(uptr size, InternalAllocatorCache *cache = nullptr, |
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| 43 | uptr alignment = 0); |
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| 44 | void *InternalRealloc(void *p, uptr size, |
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| 45 | InternalAllocatorCache *cache = nullptr); |
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| 46 | void *InternalReallocArray(void *p, uptr count, uptr size, |
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| 47 | InternalAllocatorCache *cache = nullptr); |
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| 48 | void *InternalCalloc(uptr count, uptr size, |
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| 49 | InternalAllocatorCache *cache = nullptr); |
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| 50 | void InternalFree(void *p, InternalAllocatorCache *cache = nullptr); |
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| 51 | void InternalAllocatorLock(); |
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| 52 | void InternalAllocatorUnlock(); |
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| 53 | InternalAllocator *internal_allocator(); |
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| 54 | } // namespace __sanitizer |
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| 55 | |
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| 56 | #endif // SANITIZER_ALLOCATOR_INTERNAL_H |
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| 57 | |
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