gdb

gdb
	PR mi/8618:
	* thread.c (free_thread): Free 'name'.
	(print_thread_info): Emit thread name.  Change CLI output.
	(thread_name_command): New function.
	(do_captured_thread_select): Emit newline.
	(_initialize_thread): Register 'thread name' command.
	* target.h (struct target_ops) <to_thread_name>: New field.
	(target_thread_name): New macro.
	* target.c (update_current_target): Handle to_thread_name.
	* python/py-infthread.c (thpy_get_name): New function.
	(thpy_set_name): Likewise.
	(thread_object_getset): Add "name".
	* linux-nat.c (linux_nat_thread_name): New function.
	(linux_nat_add_target): Set to_thread_name.
	* gdbthread.h (struct thread_info) <name>: New field.
gdb/doc
	* gdb.texinfo (Threads): Document thread name output and `thread
	name' command.
	(Threads In Python): Document Thread.name attribute.
	(GDB/MI Thread Commands): Document thread attributes.
gdb/testsuite
	* gdb.python/py-infthread.exp: Add thread tests.