[LLDB][MIPS] Handle PIC calling convention for MIPS32          SUMMARY:     - PrepareTrivialCall() to setup register r25 with the address of function to be called.     - RegisterIsCalleeSaved() to use name of a register instead of its byte_offset.          Reviewers: clayborg     Subscribers: mohit.bhakkad, sagar, jaydeep, lldb-commits     Differential Revision: http://reviews.llvm.org/D15273
[LLDB][MIPS] Handle PIC calling convention for MIPS32
    
    SUMMARY:
    - PrepareTrivialCall() to setup register r25 with the address of function to be called.
    - RegisterIsCalleeSaved() to use name of a register instead of its byte_offset.
    
    Reviewers: clayborg
    Subscribers: mohit.bhakkad, sagar, jaydeep, lldb-commits
    Differential Revision: http://reviews.llvm.org/D15273

git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@255005 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb