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adc11b34b1
Downstream disabled EnableContiguousRegions on RISCV-64 to avoid running out of virtual memory, but our tests still use the internal FuchsiaConfig class, which therefore needs to be changed too.
212 lines
6.9 KiB
C++
212 lines
6.9 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 "condition_variable.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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// To import a custom configuration, define `SCUDO_USE_CUSTOM_CONFIG` and
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// aliasing the `Config` like:
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//
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// namespace scudo {
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// // The instance of Scudo will be initiated with `Config`.
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// typedef CustomConfig Config;
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// // Aliasing as default configuration to run the tests with this config.
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// typedef CustomConfig DefaultConfig;
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// } // namespace scudo
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//
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// Put them in the header `custom_scudo_config.h` then you will be using the
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// custom configuration and able to run all the tests as well.
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#ifdef SCUDO_USE_CUSTOM_CONFIG
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#include "custom_scudo_config.h"
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#endif
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namespace scudo {
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// Scudo uses a structure as a template argument that specifies the
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// configuration options for the various subcomponents of the allocator. See the
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// following configs as examples and check `allocator_config.def` for all the
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// available options.
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#ifndef SCUDO_USE_CUSTOM_CONFIG
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// Default configurations for various platforms. Note this is only enabled when
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// there's no custom configuration in the build system.
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struct DefaultConfig {
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static const bool MaySupportMemoryTagging = true;
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template <class A> using TSDRegistryT = TSDRegistryExT<A>; // Exclusive
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struct Primary {
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using SizeClassMap = DefaultSizeClassMap;
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#if SCUDO_CAN_USE_PRIMARY64
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static const uptr RegionSizeLog = 32U;
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static const uptr GroupSizeLog = 21U;
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typedef uptr CompactPtrT;
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static const uptr CompactPtrScale = 0;
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static const bool EnableRandomOffset = true;
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static const uptr MapSizeIncrement = 1UL << 18;
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#else
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static const uptr RegionSizeLog = 19U;
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static const uptr GroupSizeLog = 19U;
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typedef uptr CompactPtrT;
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#endif
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static const s32 MinReleaseToOsIntervalMs = INT32_MIN;
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static const s32 MaxReleaseToOsIntervalMs = INT32_MAX;
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};
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#if SCUDO_CAN_USE_PRIMARY64
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template <typename Config> using PrimaryT = SizeClassAllocator64<Config>;
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#else
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template <typename Config> using PrimaryT = SizeClassAllocator32<Config>;
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#endif
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struct Secondary {
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struct Cache {
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static const u32 EntriesArraySize = 32U;
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static const u32 QuarantineSize = 0U;
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static const u32 DefaultMaxEntriesCount = 32U;
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static const uptr DefaultMaxEntrySize = 1UL << 19;
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static const s32 MinReleaseToOsIntervalMs = INT32_MIN;
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static const s32 MaxReleaseToOsIntervalMs = INT32_MAX;
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};
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template <typename Config> using CacheT = MapAllocatorCache<Config>;
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};
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template <typename Config> using SecondaryT = MapAllocator<Config>;
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};
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#endif // SCUDO_USE_CUSTOM_CONFIG
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struct AndroidConfig {
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static const bool MaySupportMemoryTagging = true;
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template <class A>
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using TSDRegistryT = TSDRegistrySharedT<A, 8U, 2U>; // Shared, max 8 TSDs.
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struct Primary {
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using SizeClassMap = AndroidSizeClassMap;
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#if SCUDO_CAN_USE_PRIMARY64
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static const uptr RegionSizeLog = 28U;
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typedef u32 CompactPtrT;
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static const uptr CompactPtrScale = SCUDO_MIN_ALIGNMENT_LOG;
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static const uptr GroupSizeLog = 20U;
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static const bool EnableRandomOffset = true;
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static const uptr MapSizeIncrement = 1UL << 18;
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#else
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static const uptr RegionSizeLog = 18U;
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static const uptr GroupSizeLog = 18U;
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typedef uptr CompactPtrT;
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#endif
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static const s32 MinReleaseToOsIntervalMs = 1000;
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static const s32 MaxReleaseToOsIntervalMs = 1000;
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};
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#if SCUDO_CAN_USE_PRIMARY64
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template <typename Config> using PrimaryT = SizeClassAllocator64<Config>;
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#else
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template <typename Config> using PrimaryT = SizeClassAllocator32<Config>;
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#endif
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struct Secondary {
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struct Cache {
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static const u32 EntriesArraySize = 256U;
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static const u32 QuarantineSize = 32U;
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static const u32 DefaultMaxEntriesCount = 32U;
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static const uptr DefaultMaxEntrySize = 2UL << 20;
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static const s32 MinReleaseToOsIntervalMs = 0;
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static const s32 MaxReleaseToOsIntervalMs = 1000;
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};
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template <typename Config> using CacheT = MapAllocatorCache<Config>;
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};
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template <typename Config> using SecondaryT = MapAllocator<Config>;
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};
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#if SCUDO_CAN_USE_PRIMARY64
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struct FuchsiaConfig {
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static const bool MaySupportMemoryTagging = false;
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template <class A>
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using TSDRegistryT = TSDRegistrySharedT<A, 8U, 4U>; // Shared, max 8 TSDs.
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struct Primary {
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using SizeClassMap = FuchsiaSizeClassMap;
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#if SCUDO_RISCV64
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// Support 39-bit VMA for riscv-64
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static const uptr RegionSizeLog = 28U;
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static const uptr GroupSizeLog = 19U;
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static const bool EnableContiguousRegions = false;
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#else
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static const uptr RegionSizeLog = 30U;
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static const uptr GroupSizeLog = 21U;
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#endif
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typedef u32 CompactPtrT;
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static const bool EnableRandomOffset = true;
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static const uptr MapSizeIncrement = 1UL << 18;
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static const uptr CompactPtrScale = SCUDO_MIN_ALIGNMENT_LOG;
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static const s32 MinReleaseToOsIntervalMs = INT32_MIN;
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static const s32 MaxReleaseToOsIntervalMs = INT32_MAX;
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};
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template <typename Config> using PrimaryT = SizeClassAllocator64<Config>;
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struct Secondary {
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template <typename Config> using CacheT = MapAllocatorNoCache<Config>;
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};
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template <typename Config> using SecondaryT = MapAllocator<Config>;
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};
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struct TrustyConfig {
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static const bool MaySupportMemoryTagging = true;
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template <class A>
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using TSDRegistryT = TSDRegistrySharedT<A, 1U, 1U>; // Shared, max 1 TSD.
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struct Primary {
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using SizeClassMap = TrustySizeClassMap;
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static const uptr RegionSizeLog = 28U;
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static const uptr GroupSizeLog = 20U;
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typedef u32 CompactPtrT;
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static const bool EnableRandomOffset = false;
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static const uptr MapSizeIncrement = 1UL << 12;
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static const uptr CompactPtrScale = SCUDO_MIN_ALIGNMENT_LOG;
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static const s32 MinReleaseToOsIntervalMs = INT32_MIN;
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static const s32 MaxReleaseToOsIntervalMs = INT32_MAX;
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};
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template <typename Config> using PrimaryT = SizeClassAllocator64<Config>;
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struct Secondary {
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template <typename Config> using CacheT = MapAllocatorNoCache<Config>;
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};
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template <typename Config> using SecondaryT = MapAllocator<Config>;
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};
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#endif
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#ifndef SCUDO_USE_CUSTOM_CONFIG
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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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#elif SCUDO_TRUSTY
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typedef TrustyConfig Config;
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#else
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typedef DefaultConfig Config;
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#endif
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#endif // SCUDO_USE_CUSTOM_CONFIG
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} // namespace scudo
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#endif // SCUDO_ALLOCATOR_CONFIG_H_
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