gdb/

gdb/
2013-03-14  Hui Zhu  <hui@codesourcery.com>
	    Yao Qi  <yao@codesourcery.com>

	* Makefile.in (REMOTE_OBS): Add ctf.o.
	(SFILES): Add ctf.c.
	(HFILES_NO_SRCDIR): Add ctf.h.
	* ctf.c, ctf.h: New files.
	* tracepoint.c: Include 'ctf.h'.
	(collect_pseudocommand): Remove static.
	(trace_save_command): Parse option "-ctf".
	Produce different trace file writers per option.
	Adjust output message.
	(trace_save_tfile, trace_save_ctf): New.
	* tracepoint.h (trace_save_tfile, trace_save_ctf): Declare.
	* mi/mi-main.c: Include 'ctf.h'.
	(mi_cmd_trace_save): Handle option '-ctf'.  Call either
	trace_save_tfile or trace_save_ctf.
	* NEWS: Mention these changes.

gdb/doc/
2013-03-14  Hui Zhu  <hui@codesourcery.com>
	    Yao Qi  <yao@codesourcery.com>

	* gdb.texinfo (Trace Files): Add "tsave -ctf".