| //===-- allocator_config.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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef SCUDO_ALLOCATOR_CONFIG_H_ |
| #define SCUDO_ALLOCATOR_CONFIG_H_ |
| |
| #include "combined.h" |
| #include "common.h" |
| #include "flags.h" |
| #include "primary32.h" |
| #include "primary64.h" |
| #include "secondary.h" |
| #include "size_class_map.h" |
| #include "tsd_exclusive.h" |
| #include "tsd_shared.h" |
| |
| namespace scudo { |
| |
| // Default configurations for various platforms. |
| |
| struct DefaultConfig { |
| using SizeClassMap = DefaultSizeClassMap; |
| #if SCUDO_CAN_USE_PRIMARY64 |
| // 1GB Regions |
| typedef SizeClassAllocator64<SizeClassMap, 30U> Primary; |
| #else |
| // 512KB regions |
| typedef SizeClassAllocator32<SizeClassMap, 19U> Primary; |
| #endif |
| typedef MapAllocator<MapAllocatorCache<>> Secondary; |
| template <class A> using TSDRegistryT = TSDRegistryExT<A>; // Exclusive |
| }; |
| |
| struct AndroidConfig { |
| using SizeClassMap = AndroidSizeClassMap; |
| #if SCUDO_CAN_USE_PRIMARY64 |
| // 256MB regions |
| typedef SizeClassAllocator64<SizeClassMap, 28U, 1000, 1000, |
| /*MaySupportMemoryTagging=*/true> |
| Primary; |
| #else |
| // 256KB regions |
| typedef SizeClassAllocator32<SizeClassMap, 18U, 1000, 1000> Primary; |
| #endif |
| // Cache blocks up to 2MB |
| typedef MapAllocator<MapAllocatorCache<256U, 32U, 2UL << 20, 0, 1000>> |
| Secondary; |
| template <class A> |
| using TSDRegistryT = TSDRegistrySharedT<A, 8U, 2U>; // Shared, max 8 TSDs. |
| }; |
| |
| struct AndroidSvelteConfig { |
| using SizeClassMap = SvelteSizeClassMap; |
| #if SCUDO_CAN_USE_PRIMARY64 |
| // 128MB regions |
| typedef SizeClassAllocator64<SizeClassMap, 27U, 1000, 1000> Primary; |
| #else |
| // 64KB regions |
| typedef SizeClassAllocator32<SizeClassMap, 16U, 1000, 1000> Primary; |
| #endif |
| typedef MapAllocator<MapAllocatorCache<16U, 4U, 1UL << 18, 0, 0>> Secondary; |
| template <class A> |
| using TSDRegistryT = TSDRegistrySharedT<A, 2U, 1U>; // Shared, max 2 TSDs. |
| }; |
| |
| #if SCUDO_CAN_USE_PRIMARY64 |
| struct FuchsiaConfig { |
| // 1GB Regions |
| typedef SizeClassAllocator64<DefaultSizeClassMap, 30U> Primary; |
| typedef MapAllocator<MapAllocatorNoCache> Secondary; |
| template <class A> |
| using TSDRegistryT = TSDRegistrySharedT<A, 8U, 4U>; // Shared, max 8 TSDs. |
| }; |
| #endif |
| |
| #if SCUDO_ANDROID |
| typedef AndroidConfig Config; |
| #elif SCUDO_FUCHSIA |
| typedef FuchsiaConfig Config; |
| #else |
| typedef DefaultConfig Config; |
| #endif |
| |
| } // namespace scudo |
| |
| #endif // SCUDO_ALLOCATOR_CONFIG_H_ |