Bank holiday on Monday. [2/10]

# Issue # No. Ubuntu is successfully installed on my chromebook.

# Progress #

* Linaro GDB [4/10] ** TCWG-517, GDB AAarch64 record/replay. Done. Patches are committed upstream. Fix one build failure caused these patches. ** TCWG-805, aarch64 native debugging multi-arch support. *** Switch to PTRACE_GETREGSET and PTRACE_SETREGSET. Patches are posted upstreams. *** Get ubuntun 14.02 running on chrombook successfully. ** Give my input on GDB kernel awareness too.

* FSF GDB [3/10] ** PR 18392, review the fix and understand the code about tail call unwinding. ** Approve and commit some tiny patches.

* Misc [1/10] ** Prepare for incoming France travel. ** Book flight and hotel for GNU Tools Cauldron.

Next week:

* TCWG-805, aarch64 native debugging multi-arch support.