Implement cDAC memory region APIs (GetHandleTableMemoryRegions, GetGCBookkeepingMemoryRegions, GetGCFreeRegions)#124926

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Copilot wants to merge 101 commits intomainfrom

copilot/implement-memory-region-apis

Commits on Feb 26, 2026

Initial plan
Copilot
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Add ISOSMemoryEnum/SOSMemoryRegion interfaces and GC data descriptors for memory region types

Copilot
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max-charlamb
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Add managed Data classes, DataType entries, Constants.Globals, IGCHeap free region fields, and IGC contract methods

Copilot
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max-charlamb
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Implement GC_1 memory region methods, SOSMemoryEnum class, and SOSDacImpl integration

Copilot
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max-charlamb
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Add tests for GC memory region methods in IGC contract

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Copilot
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Changes before error encountered

Copilot
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max-charlamb
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Commits on Feb 27, 2026

Commits on Feb 28, 2026

Fix build break: use FREE_REGION_KINDS macro instead of namespaced count_free_region_kinds

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rcj1
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Commits on Mar 2, 2026

Commits on Mar 6, 2026

Changes before error encountered

Copilot
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max-charlamb
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Commits on Mar 7, 2026

Commits on Mar 9, 2026

Merge main into branch, resolve SOSDacImpl.cs conflicts and remove duplicate SOSMemoryRegion/ISOSMemoryEnum definitions

Copilot
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max-charlamb
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Commits on Mar 10, 2026

Commits on Mar 13, 2026

Adding _tls_index global pointer to DACVARs (#125318)

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Run CI for all copilot/* PRs (#125380)

adamsitnik
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[coreclr] Fix LoadLibraryInitializer test (#125176)

ilonatommy
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JIT: Fix patchpoint info out-of-bounds read for special OSR locals (#125378)

jakobbotsch
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[RyuJIT] Add a JIT flag for Portable Entry Points and set it by default for Browser compilations (#125284)

kg
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[main] Update dependencies from dotnet/icu, dotnet/runtime-assets (#125390)

dotnet-maestro[bot]
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Copilot
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Emit runtime-async methods in crossgen2 (#124203)

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Copilot
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[Wasm RyuJIT] Disable multireg ret assert on Wasm because we don't have multireg rets there (#125342)

kg
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Copilot
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Extract diagnostic reporting out of COM class generator (#125308)

DoctorKrolic
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Copilot
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Implement SVE2 non-temporal gather loads (#123890)

ylpoonlg
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Copilot
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Fix Ping RoundtripTime returning 0 for TtlExpired replies (#124424)

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Copilot
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[Wasm RyuJIT] Move genHomeRegisterParams' output out of the prolog (#125398)

kg
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Copilot
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JIT: Stop treating GT_LCLHEAP as inherently exceptional and remove dead StackOverflowException flag (#125362)

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Copilot
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[main] Update dependencies from dotnet/xharness (#124164)

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Replace AsnValueReader with ValueAsnReader and remove internal type
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Update copilot-instructions with git confirmation and code-review skip rules (#125414)

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Copilot
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[cDAC] Implement SOSDacImpl.GetRCWInterfaces (#124939)

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Fix Directory_Delete_MountVolume test: guard Unmount calls with Directory.Exists check (#125348)

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jozkee
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Add Antlr license in THIRD-PARTY-NOTICES.TXT (#125387)

am11
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Copilot
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[wasm][coreclr] Fix vtable issue and interpreter I4/I8 arithmetic (#125376)

radekdoulik
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Copilot
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[LoongArch64] Place async resumption info in read-write section which reference #123433 (#124213)

shushanhf
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Copilot
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[LoongArch64] Enable Runtime Async. (issue#124935) (#125114)

LuckyXu-HF
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Copilot
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JIT: Fix invalid IR and weights in if-conversion (#125072)

BoyBaykiller
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Copilot
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[LoongArch64] Fix the risk of boundary overflow for Unsigned GT_LE in CodeGen::genCodeForCompare(). (#125382)

LuckyXu-HF
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Copilot
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Fix source generator diagnostics to support #pragma warning disable (#124994)

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[wasm] Bump chrome for testing - linux: 145.0.7632.159, windows: 146.0.7680.66 (#125297)

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Copilot
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[wasm][coreclr] Enable async v2 in tests (#125430)

radekdoulik
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Copilot
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[RyuJit Wasm] Fix Signature Generation Bug with Un-called methods (#125090)

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Copilot
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[cDAC] Implement GetContext and GetAppDomain on ClrDataFrame (#125064)

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Copilot
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Remove duplicated SVE GatherVector APIs (#124033)

ylpoonlg
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Fix TOCTOU race in AppDomain::LoadAssembly fast-path (#125408)

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Copilot
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arm64: Remove widening casts before truncating (#123546)

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Copilot
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Align final section to file alignment, not to virtual image size (#124984)

jkoritzinsky
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Copilot
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Mark Runtime_76219 GC regression test as CLRTestTargetUnsupported (#125249)
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Fix a regression to collection asserting in `AssemblyChecker` (#125443)

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Copilot
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Fix running native aot testing locally (#125354)

MichalStrehovsky
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Add html.escape to func_name in superpmi diffs report (#125442)

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jakobbotsch
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Support for variable sized locals in morph and lclmorph (#124516)

snickolls-arm
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Copilot
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Enable devirtualization of async methods in crossgen2 (#125420)

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Copilot
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`ref struct` ASN.1 Decoder type generation

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Copilot
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fix #125301 (NOL bug for partial loads/stores) (#125425)

EgorBo
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Copilot
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arm64: Fix and/bic issue when bailing early (#125428)

jonathandavies-arm
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Copilot
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Fix crossgen2 crash on Apple mobile for InstantiatedType token resolution in async methods (#125444)

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Copilot
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[browser][CoreCLR] startup helpers cleanup (#125429)

pavelsavara
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Copilot
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Add TraverseEHInfo cDAC API (#125198)

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Copilot
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Streamline `SystemIPGlobalProperties` (#125002)

pentp
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Copilot
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Convert some COM interop to UCO (#125326)

am11
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Copilot
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[clr-interp] Fix Swift error handling for marshaled P/Invokes in interpreter (#125177)

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Copilot
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Add `SafeFileHandle.CreateAnonymousPipe` with per-end async support, non-blocking I/O support, and `Process.Windows` adoption (#125220)

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Sync cDAC's RV64/LA64 implementations with ARM64 (#125353)

am11
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Copilot
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Feature and ifdef FEATURE_MULTITHREADING (#124959)

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Copilot
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Fix memory overwrites in SystemNative_GetNetworkInterfaces (#125022)

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Copilot
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Fix missing big-endian conversions for multi-byte NTLM wire fields (#125039)

Copilot
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rzikm
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Prepare for xunit.v3.assert migration: forward-compatibility changes (#125413)

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Add tests for lazy quantifier inside optional group (#125474)

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Copilot
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Fix clang -Walloc-size error in CloseHandle test by removing unused WriteBuffer (#125360)
Copilot
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Fix race condition leak in RegisterResumptionStub (#125407)

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Copilot
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[wasm] Restore net472 multi-targeting for WasmAppBuilder (#125373)
Copilot
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Fix Tensor stride computation for single-element (length <= 1) tensors (#125403)

Copilot
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tannergooding
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Fix RhpThrowImpl on ARM32 (#125253)

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Copilot
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Remove redundant NULL check for pDir in ClrDataAccess::GetMetaDataFileInfoFromPEFile (#125502)

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jkotas
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[HTTP] Stress fix for the new Windows VM (#125125)

ManickaP
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Copilot
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Propagate BackgroundService exceptions from the host (#124863)

svick
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Copilot
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Support reload in ChainedConfigurationSource (#125122)

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Copilot
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Fix CallSiteFactoryResolvesIEnumerableOfOpenGenericServiceAfterResolvingClosedImplementation test for issue #57333 (#124326)

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[tvOS] Skip symlink and named pipe tests that fail on iOS/tvOS (#125503)

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JIT: Bump JIT-EE GUID after removal of hardware intrinsics (#125515)

jakobbotsch
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Copilot
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[browser][coreCLR] Loading WebCIL (#124904)

pavelsavara
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Copilot
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Simplify ILLink/ILC root assembly handling: TrimmerRootAssembly assembly names only (#125365)

Copilot
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sbomer
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Add curl retry flags to wasi-sdk Linux download (#125488)

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Copilot
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Fix GetGCFreeRegions to handle non-regions GC builds gracefully

Copilot
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max-charlamb
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Merge remote-tracking branch 'origin/main' into copilot/implement-memory-region-apis
Copilot
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Address review feedback: add SOSMemoryEnum validation, explain pointer comparison, null guard, constants

Copilot
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max-charlamb
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Commits on Mar 17, 2026

Fix handle table iteration cap and add dump tests for memory region APIs

Max Charlamb
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Copilot
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Commits on Mar 18, 2026

Update GC.md pseudocode: remove Read<> and data type-dependent syntax, use field-access patterns

Copilot
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max-charlamb
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Commits on Mar 20, 2026

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Max Charlamb
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