Rework built-in COM->CLR stubs to build on the UnmanagedCallersOnly model#126002

Merged

jkoritzinsky merged 26 commits intodotnet:mainfrom

jkoritzinsky:comtoclrcall-uco

Apr 3, 2026

Commits on Mar 17, 2026

Convert COM->CLR stubs to have an explicit first parameter for the IUnknown* instead of having an implicit object parameter that we need to manually resolve from the IUnknown* (only works on x64 fo…
jkoritzinsky
committed

Commits on Mar 23, 2026

Move COM->CLR stubs to use UMThunkEntryInfo and directly calling the stdcall entry points (asm changes only for x64 for now)
jkoritzinsky
committed
Introduce return stubs for the error scenarios instead of manually setting the correct return registers in asm/with asm helpers
jkoritzinsky
committed

Commits on Mar 25, 2026

Fix failures
jkoritzinsky
committed

Commits on Mar 26, 2026

Commits on Mar 27, 2026

Inline a NULL
jkoritzinsky
committed

Commits on Apr 1, 2026

Commits on Apr 2, 2026

Update src/coreclr/vm/comtoclrcall.h

jkoritzinsky
and
jkotas
authored