[lldb] Add code and data address mask to Process

Add a code and data address mask to Process with respective getters and
setters and a setting that allows the user to specify the mast as a
number of addressable bits. The masks will be used by FixCodeAddress and
FixDataAddress respectively in the ABI classes.

Differential revision: https://reviews.llvm.org/D100515

GitOrigin-RevId: fdbb5a7a91b00d1e4a9a16fee96763917a411fff
3 files changed