Hi,

This is the patch for remote support.
Also add to_download_tracepoint_default_collect as interface for store trace default-collect to target. and call it in start_tracing.

Thanks,
Hui

2013-04-11  Hui Zhu  <hui@codesourcery.com>

	* remote.c (remote_upload_trace_default_collest): New static.
	(remote_start_remote): Call remote_upload_trace_default_collest
	and trace_set_default_collect.
	(remote_download_tracepoint_default_collect): New.
	(remote_can_download_tracepoint): Set
	to_download_tracepoint_default_collect.
	(remote_upload_trace_default_collest): New.
	* target.c (update_current_target): Add
	to_download_tracepoint_default_collect.
	* target.h (target_ops): to_download_tracepoint_default_collect.
	(target_download_tracepoint_default_collect): New.
	* tracepoint.c (start_tracing): Call
	target_download_tracepoint_default_collect.
	(trace_set_default_collect): New.
	* tracepoint.h (trace_set_default_collect): New extern.