Windows GC: harden conservative stack scan (getRegisters, suspend retry, RegisterState) - #382

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robobun wants to merge 4 commits into

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farm/c9105e62/win-gc-conservative-scan-hardening

Commits on Aug 2, 2026

Thread::getRegisters (Windows): assert on GetThreadContext failure and return only the requested prefix
robobun
committed
a84c86a
MachineThreads::tryCopyOtherThreadStack: value-initialize PlatformRegisters
robobun
committed
6edb56e
Thread::suspend (Windows): retry transient SuspendThread/GetThreadContext failures; crash if a live thread still cannot be suspended during GC
robobun
committed
b39fe7c
RegisterState: use explicit callee-save capture on clang-cl and add Win64 variant
robobun
committed
87d87c1