Redefine semantics of lsda for pr0,1,2 functions. Not sure this is right but it seems more consistent

Change-Id: I2317b0a9b1bc9a8627b8be77131fa885e6f7e579
Merge pull request #33 from awong-dev/byte_code_is_lsda_for_prX

Redefine semantics of lsda for pr0,1,2 functions. Not sure this is right...