gdb/

gdb/
	* mips-linux-nat.c (get_irw_mask): Rename to ...
	(mips_linux_watch_get_irw_mask): ... this.  Rename parameter
	'set' to 'n'.  Update function comment.  All callers changed.
	(get_reg_mask): Rename parameter 'set' to 'n'.  Update
	function comment.  All callers changed.
	(get_num_valid): Rename to ...
	(mips_linux_watch_get_num_valid): ... this.  Rename parameter
	'set' to 'n'.  Update function comment.  All callers changed.
	(get_watchlo): Rename to ...
	(mips_linux_watch_get_watchlo): ... this.  Rename parameter
	'set' to 'n'.  Update function comment.  All callers changed.
	(set_watchlo): Rename to ...
	(mips_linux_watch_set_watchlo): ... this.  Rename parameter
	'set' to 'n'.  Update function comment.  All callers changed.
	(get_watchhi): Rename to ...
	(mips_linux_watch_get_watchhi): ... this.  Update function
	comment.  All callers changed.
	(set_watchhi): Rename to ...
	(mips_linux_watch_set_watchhi): ... this.  Update function
	comment.  All callers changed.
	(mips_linux_read_watch_registers): Update function comment.
	Add new parameters 'lwpid', 'watch_readback', and
	'watch_readback_valid'.  Update.
	(type_to_irw): Rename to ...
	(mips_linux_watch_type_to_irw): ... this.  Update function
	comment.  All callers changed.
	(fill_mask): Update function comment.
	(try_one_watch): Rename to ...
	(mips_linux_watch_try_one_watch): ... this.  Change the type
	of parameter 'irw' from 'unsigned' to 'uint32_t'.
	(populate_regs_from_watches): Rename to ...
	(mips_linux_watch_populate_regs): ... this.  Add parameter
	'current_watches'.  All callers changed.