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//===-- 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<32U, 2UL << 20, 0, 1000>> Secondary;
template <class A>
using TSDRegistryT = TSDRegistrySharedT<A, 2U>; // Shared, max 2 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<4U, 1UL << 18, 0, 0>> Secondary;
template <class A>
using TSDRegistryT = TSDRegistrySharedT<A, 1U>; // Shared, only 1 TSD.
};
#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>; // 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_
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