Implement get_syscall_trapinfo for aarch64-linux

gdb/gdbserver:

2016-06-28  Yao Qi  <yao.qi@linaro.org>

	* linux-aarch64-low.c (aarch64_get_syscall_trapinfo): New
	function.
	(the_low_target): Install aarch64_get_syscall_trapinfo.
2 files changed