Fix various dump generation issues for VS4Mac#60995

Merged

mikem8361 merged 7 commits intodotnet:mainfrom

mikem8361:vs4macfixes

Nov 1, 2021

Commits on Oct 27, 2021

Fix dump generation issues for VS4Mac
Mike McLaughlin
committed

Commits on Oct 28, 2021

Fix how the load bias is calculate for shared modules
Mike McLaughlin
committed
Add new generate core dump IPC command that allows the generate
Mike McLaughlin
committed
VS4Mac needs to distinguish between WriteDump/no signal and unknown signal ExceptionType
Mike McLaughlin
committed
Change unknown signal exception type to 0
Mike McLaughlin
committed

Commits on Oct 29, 2021

Code review feedback
Mike McLaughlin
committed
Fix build
Mike McLaughlin
committed