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[NFC][lsan] Extract and rename SizeClassMap type from AP64 #69526

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Oct 23, 2023
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[NFC][lsan] Extract and rename SizeClassMap type from AP64 #69526

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6 changes: 5 additions & 1 deletion compiler-rt/lib/lsan/lsan_allocator.h
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Original file line number Diff line number Diff line change
Expand Up @@ -69,22 +69,26 @@ using PrimaryAllocator = PrimaryAllocatorASVT<LocalAddressSpaceView>;
# if SANITIZER_FUCHSIA || defined(__powerpc64__)
const uptr kAllocatorSpace = ~(uptr)0;
const uptr kAllocatorSize = 0x40000000000ULL; // 4T.
using LSanSizeClassMap = DefaultSizeClassMap;
# elif SANITIZER_RISCV64
const uptr kAllocatorSpace = ~(uptr)0;
const uptr kAllocatorSize = 0x2000000000ULL; // 128G.
using LSanSizeClassMap = DefaultSizeClassMap;
# elif SANITIZER_APPLE
const uptr kAllocatorSpace = 0x600000000000ULL;
const uptr kAllocatorSize = 0x40000000000ULL; // 4T.
using LSanSizeClassMap = DefaultSizeClassMap;
# else
const uptr kAllocatorSpace = 0x500000000000ULL;
const uptr kAllocatorSize = 0x40000000000ULL; // 4T.
using LSanSizeClassMap = DefaultSizeClassMap;
# endif
template <typename AddressSpaceViewTy>
struct AP64 { // Allocator64 parameters. Deliberately using a short name.
static const uptr kSpaceBeg = kAllocatorSpace;
static const uptr kSpaceSize = kAllocatorSize;
static const uptr kMetadataSize = sizeof(ChunkMetadata);
typedef DefaultSizeClassMap SizeClassMap;
using SizeClassMap = LSanSizeClassMap;
typedef NoOpMapUnmapCallback MapUnmapCallback;
static const uptr kFlags = 0;
using AddressSpaceView = AddressSpaceViewTy;
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