[llvm] [NFC] Separate UnwindTable from DebugFrame into a different type (PR #142521)

[AmirHossein PashaeeHir via llvm-commits]

amsen20 wrote:

> @Sterling-Augustine is this part of your DWARF expression parsing work? Or coincidentally overlapping with it?
> 
> @amsen20 where do you plan to put this code once it is refactored? Into MC itself, elsewhere, some new library?

AFAIK @Sterling-Augustine 's refactoring is towards a new low-level DWARF library that does not depend on Object and MC. That library would be usable from MC and Object or any other library in LLVM. This will also be located in the same library that for example `CFIProgram` will be. 


https://github.com/llvm/llvm-project/pull/142521