Fix Win64 exception propagation in NativeCallable methods#33653
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AaronRobinsonMSFT merged 1 commit intodotnet:masterfrom Mar 17, 2020
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A recent change has removed the UMThunkStub usage for native callable methods. That has broken handling of exceptions propagated from the managed native callable method into the native caller in case there were explicit frames below the native frame, like during the GC stress 3. This change fixes it by unwinding the explicit frames upto the native frame during the 2nd pass of exception handling when exception unwinding passes through the frame of a native callable method and isn't handled there.
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cc: @AaronRobinsonMSFT |
jkotas
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Mar 16, 2020
AaronRobinsonMSFT
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Mar 16, 2020
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Merging in first along with #33615 to address the various issues. |
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Related to dotnet#33653, dotnet#33005
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A recent change has removed the UMThunkStub usage for native callable
methods. That has broken handling of exceptions propagated from the
managed native callable method into the native caller in case there were
explicit frames below the native frame, like during the GC stress 3.
This change fixes it by unwinding the explicit frames upto the native
frame during the 2nd pass of exception handling when exception unwinding
passes through the frame of a native callable method and isn't handled
there.