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This PR is in reference to porting LLDB on AIX. Link to discussions on llvm discourse and github: 1. https://discourse.llvm.org/t/port-lldb-to-ibm-aix/80640 2. https://github.com/llvm/llvm-project/issues/101657 The complete changes for porting are present in this draft PR: https://github.com/llvm/llvm-project/pull/102601 **Description:** Adding support for XCOFF 32 bit file format as well in lldb, up to the point where 64-bit support is implemented. Added a new test case for the same. This is an incremental PR on top of the previous couple of XCOFF support commits.