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Diffstat (limited to 'contrib/llvm-project/compiler-rt/lib/scudo/standalone/allocator_config.def')
| -rw-r--r-- | contrib/llvm-project/compiler-rt/lib/scudo/standalone/allocator_config.def | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/scudo/standalone/allocator_config.def b/contrib/llvm-project/compiler-rt/lib/scudo/standalone/allocator_config.def new file mode 100644 index 000000000000..ce37b1cfaedc --- /dev/null +++ b/contrib/llvm-project/compiler-rt/lib/scudo/standalone/allocator_config.def @@ -0,0 +1,131 @@ +//===-- allocator_config.def ------------------------------------*- 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 +// +//===----------------------------------------------------------------------===// +// +// This file defines all the flags and types supported in Scudo. For optional +// flags and types, only explicitly define them when interested (i.e., unused +// optional flags or types can be skipped). + +#ifndef BASE_REQUIRED_TEMPLATE_TYPE +#define BASE_REQUIRED_TEMPLATE_TYPE(...) +#endif +#ifndef BASE_OPTIONAL +#define BASE_OPTIONAL(...) +#endif +#ifndef PRIMARY_REQUIRED_TYPE +#define PRIMARY_REQUIRED_TYPE(...) +#endif +#ifndef PRIMARY_REQUIRED +#define PRIMARY_REQUIRED(...) +#endif +#ifndef PRIMARY_OPTIONAL +#define PRIMARY_OPTIONAL(...) +#endif +#ifndef PRIMARY_OPTIONAL_TYPE +#define PRIMARY_OPTIONAL_TYPE(...) +#endif +#ifndef SECONDARY_REQUIRED_TEMPLATE_TYPE +#define SECONDARY_REQUIRED_TEMPLATE_TYPE(...) +#endif +#ifndef SECONDARY_CACHE_OPTIONAL +#define SECONDARY_CACHE_OPTIONAL(...) +#endif + +// BASE_REQUIRED_TEMPLATE_TYPE(NAME) +// +// Thread-Specific Data Registry used, shared or exclusive. +BASE_REQUIRED_TEMPLATE_TYPE(TSDRegistryT) + +// Defines the type of Primary allocator to use. +BASE_REQUIRED_TEMPLATE_TYPE(PrimaryT) + +// Defines the type of Secondary allocator to use. +BASE_REQUIRED_TEMPLATE_TYPE(SecondaryT) + +// BASE_OPTIONAL(TYPE, NAME, DEFAULT) +// +// Indicates possible support for Memory Tagging. +BASE_OPTIONAL(const bool, MaySupportMemoryTagging, false) + +// PRIMARY_REQUIRED_TYPE(NAME) +// +// SizeClassMap to use with the Primary. +PRIMARY_REQUIRED_TYPE(SizeClassMap) + +// PRIMARY_REQUIRED(TYPE, NAME) +// +// Log2 of the size of a size class region, as used by the Primary. +PRIMARY_REQUIRED(const uptr, RegionSizeLog) + +// Conceptually, a region will be divided into groups based on the address +// range. Each allocation consumes blocks in the same group until exhaustion +// then it pops out blocks in a new group. Therefore, `GroupSizeLog` is always +// smaller or equal to `RegionSizeLog`. Note that `GroupSizeLog` needs to be +// equal to `RegionSizeLog` for SizeClassAllocator32 because of certain +// constraints. +PRIMARY_REQUIRED(const uptr, GroupSizeLog) + +// Call map for user memory with at least this size. Only used with primary64. +PRIMARY_REQUIRED(const uptr, MapSizeIncrement) + +// Defines the minimal & maximal release interval that can be set. +PRIMARY_REQUIRED(const s32, MinReleaseToOsIntervalMs) +PRIMARY_REQUIRED(const s32, MaxReleaseToOsIntervalMs) + +// PRIMARY_OPTIONAL(TYPE, NAME, DEFAULT) +// +// The scale of a compact pointer. E.g., Ptr = Base + (CompactPtr << Scale). +PRIMARY_OPTIONAL(const uptr, CompactPtrScale, SCUDO_MIN_ALIGNMENT_LOG) + +// Indicates support for offsetting the start of a region by a random number of +// pages. This is only used if `EnableContiguousRegions` is enabled. +PRIMARY_OPTIONAL(const bool, EnableRandomOffset, false) +PRIMARY_OPTIONAL(const s32, DefaultReleaseToOsIntervalMs, INT32_MIN) + +// When `EnableContiguousRegions` is true, all regions will be be arranged in +// adjacency. This will reduce the fragmentation caused by region allocations +// but may require a huge amount of contiguous pages at initialization. +PRIMARY_OPTIONAL(const bool, EnableContiguousRegions, true) + +// PRIMARY_OPTIONAL_TYPE(NAME, DEFAULT) +// +// Use condition variable to shorten the waiting time of refillment of +// freelist. Note that this depends on the implementation of condition +// variable on each platform and the performance may vary so that it does not +// guarantee a performance benefit. +PRIMARY_OPTIONAL_TYPE(ConditionVariableT, ConditionVariableDummy) + +// Defines the type and scale of a compact pointer. A compact pointer can +// be understood as the offset of a pointer within the region it belongs +// to, in increments of a power-of-2 scale. See `CompactPtrScale` also. +PRIMARY_OPTIONAL_TYPE(CompactPtrT, uptr) + +// SECONDARY_REQUIRED_TEMPLATE_TYPE(NAME) +// +// Defines the type of Secondary Cache to use. +SECONDARY_REQUIRED_TEMPLATE_TYPE(CacheT) + +// SECONDARY_CACHE_OPTIONAL(TYPE, NAME, DEFAULT) +// +// Defines the type of cache used by the Secondary. Some additional +// configuration entries can be necessary depending on the Cache. +SECONDARY_CACHE_OPTIONAL(const u32, EntriesArraySize, 0) +SECONDARY_CACHE_OPTIONAL(const u32, QuarantineSize, 0) +SECONDARY_CACHE_OPTIONAL(const u32, DefaultMaxEntriesCount, 0) +SECONDARY_CACHE_OPTIONAL(const uptr, DefaultMaxEntrySize, 0) +SECONDARY_CACHE_OPTIONAL(const s32, MinReleaseToOsIntervalMs, INT32_MIN) +SECONDARY_CACHE_OPTIONAL(const s32, MaxReleaseToOsIntervalMs, INT32_MAX) +SECONDARY_CACHE_OPTIONAL(const s32, DefaultReleaseToOsIntervalMs, INT32_MIN) + +#undef SECONDARY_CACHE_OPTIONAL +#undef SECONDARY_REQUIRED_TEMPLATE_TYPE +#undef PRIMARY_OPTIONAL_TYPE +#undef PRIMARY_OPTIONAL +#undef PRIMARY_REQUIRED +#undef PRIMARY_REQUIRED_TYPE +#undef BASE_OPTIONAL +#undef BASE_REQUIRED_TEMPLATE_TYPE |