forked from OSchip/llvm-project
91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
//===-- allocator_config.h --------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef SCUDO_ALLOCATOR_CONFIG_H_
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#define SCUDO_ALLOCATOR_CONFIG_H_
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#include "combined.h"
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#include "common.h"
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#include "flags.h"
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#include "primary32.h"
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#include "primary64.h"
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#include "secondary.h"
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#include "size_class_map.h"
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#include "tsd_exclusive.h"
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#include "tsd_shared.h"
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namespace scudo {
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// Default configurations for various platforms.
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struct DefaultConfig {
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using SizeClassMap = DefaultSizeClassMap;
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#if SCUDO_CAN_USE_PRIMARY64
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// 1GB Regions
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typedef SizeClassAllocator64<SizeClassMap, 30U> Primary;
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#else
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// 512KB regions
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typedef SizeClassAllocator32<SizeClassMap, 19U> Primary;
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#endif
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typedef MapAllocator<MapAllocatorCache<>> Secondary;
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template <class A> using TSDRegistryT = TSDRegistryExT<A>; // Exclusive
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};
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struct AndroidConfig {
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using SizeClassMap = AndroidSizeClassMap;
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#if SCUDO_CAN_USE_PRIMARY64
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// 256MB regions
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typedef SizeClassAllocator64<SizeClassMap, 28U, 1000, 1000,
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/*MaySupportMemoryTagging=*/true>
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Primary;
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#else
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// 256KB regions
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typedef SizeClassAllocator32<SizeClassMap, 18U, 1000, 1000> Primary;
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#endif
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// Cache blocks up to 2MB
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typedef MapAllocator<MapAllocatorCache<32U, 2UL << 20, 0, 1000>> Secondary;
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template <class A>
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using TSDRegistryT = TSDRegistrySharedT<A, 2U>; // Shared, max 2 TSDs.
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};
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struct AndroidSvelteConfig {
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using SizeClassMap = SvelteSizeClassMap;
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#if SCUDO_CAN_USE_PRIMARY64
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// 128MB regions
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typedef SizeClassAllocator64<SizeClassMap, 27U, 1000, 1000> Primary;
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#else
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// 64KB regions
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typedef SizeClassAllocator32<SizeClassMap, 16U, 1000, 1000> Primary;
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#endif
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typedef MapAllocator<MapAllocatorCache<4U, 1UL << 18, 0, 0>> Secondary;
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template <class A>
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using TSDRegistryT = TSDRegistrySharedT<A, 1U>; // Shared, only 1 TSD.
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};
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#if SCUDO_CAN_USE_PRIMARY64
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struct FuchsiaConfig {
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// 1GB Regions
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typedef SizeClassAllocator64<DefaultSizeClassMap, 30U> Primary;
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typedef MapAllocator<MapAllocatorNoCache> Secondary;
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template <class A>
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using TSDRegistryT = TSDRegistrySharedT<A, 8U>; // Shared, max 8 TSDs.
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};
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#endif
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#if SCUDO_ANDROID
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typedef AndroidConfig Config;
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#elif SCUDO_FUCHSIA
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typedef FuchsiaConfig Config;
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#else
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typedef DefaultConfig Config;
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#endif
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} // namespace scudo
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#endif // SCUDO_ALLOCATOR_CONFIG_H_
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