Adding lldb-dev. I used wrong address for list in the last emails. > -----Original Message----- > From: Abid, Hafiz > Sent: 07 September 2015 17:07 > To: Greg Clayton (gclay...@apple.com) > Cc: lldb-...@cs.uiuc.edu > Subject: Support for smaller types in Scalar class > > Hi Greg, > I am working on a target with a lot of 16-bit (and 8-bit) registers. So > DW_OP_piece is frequently used in the DWARF for handling not only the > basic types but also aggregate types. When a Scalar class variable is created > for a 16-bit (or 8-bit) data read from the register, it promotes it to int as > Scalar class does not have support for short (or char). So in the calculation > of > the size of that piece in value::AppendDataToHostBuffer, the scalar instance > will return 4 instead of 2 (or 1) from Scalar::GetByteSize(). This messes up > the > calculation of piece size and variable evaluation fails. > > Adding support of 16-bit (and 8-bit) in Scalar class solve this problem. > Although it needs a lot of changes in this class, but most of them are > mechanical. If this this approach seems right to you then I will send patches > for review. > > Thanks, > Abid
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