[all-commits] [llvm/llvm-project] d2b9d0: Round XML register bitsize to byte boundary

[Muhammad Omair Javaid via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d2b9d0fdda5e8295a2a81276fa6be8ea8d1fd022
      https://github.com/llvm/llvm-project/commit/d2b9d0fdda5e8295a2a81276fa6be8ea8d1fd022
  Author: Muhammad Omair Javaid <omair.javaid at linaro.org>
  Date:   2021-10-06 (Wed, 06 Oct 2021)

  Changed paths:
    M lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
    M lldb/test/API/functionalities/gdb_remote_client/TestArmRegisterDefinition.py

  Log Message:
  -----------
  Round XML register bitsize to byte boundary

This patch allows LLDB to accept register sizes which are not aligned
to 8 bits bitsize boundary. This fixes a crash in LLDB when connecting
to OpenOCD stub. GDB xml description allows for non-aligned bit lengths
but they are rounded off to nearest byte during transfer. In case of
OpenOCD some of SOC specific system registers were less than a single
byte in length and were causing LLDB to crash.

Reviewed By: labath

Differential Revision: https://reviews.llvm.org/D111131