Add GC support for external memory handles - #133986

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jkoritzinsky wants to merge 24 commits into

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jkoritzinsky:external-roots

Commits on Sep 14, 2026

Add external memory handle concept
jkoritzinsky
committed
729548e

Commits on Sep 15, 2026

Add diagnostic support
jkoritzinsky
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2d88679
Move to separate contract to break contract cycles
jkoritzinsky
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7858949
Additional cleanup
jkoritzinsky
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6567d36
Protect byref-like func-eval results

jkoritzinsky
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Copilot
committed
5b17d8e
Exclude byref-like return values from strong-handle creation

jkoritzinsky
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Copilot
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7857802
Remove Unordered flag from CrstExternalMemoryHandle

jkoritzinsky
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Copilot
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dda7b25
Move ExternalMemoryHandle list to a process-wide static

jkoritzinsky
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Copilot
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47e9afc
Use CrstStatic for ExternalMemoryHandle::s_crst

jkoritzinsky
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Copilot
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767e3ae
Remove comment on ExternalMemoryHandle static list

jkoritzinsky
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Copilot
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a04e25e
Skip external memory handle scan during concurrent BGC mark
jkoritzinsky
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c86127a

Commits on Sep 16, 2026

Take s_crst during ExternalMemoryHandle::Cleanup
jkoritzinsky
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6c084d9
Cleanup condition and make the comment reasonable.
jkoritzinsky
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0c0117f
Remove early-return
jkoritzinsky
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ea46337
Move ExternalMemoryHandle init to EEStartupHelper; clean up includes

jkoritzinsky
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Copilot
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1c4f353
Fix condition and extract helper to gcheaputilities.h
jkoritzinsky
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1916159
Fix byref scanning to not assume we're in the context of the last thread in the thread store when doing careful promotion
jkoritzinsky
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3738cac
Order external memory handle before output parameters

jkoritzinsky
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Copilot
committed
043f8ae

Commits on Sep 17, 2026

Share byreflike field scanning with CallingConvention contract and add stress test
jkoritzinsky
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1c29ca4
Strengthen cDAC inline array stress coverage
jkoritzinsky
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d73a900
Update InlineArrayByRefLike description in README

jkoritzinsky
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Copilot
authored
2525097

Commits on Sep 18, 2026

Clarify debugger external memory ownership
jkoritzinsky
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4f0af2a
Remove external handle dump enumeration
jkoritzinsky
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f75d0cd
Address cDAC contract compatibility feedback
jkoritzinsky
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0b043b5