gdb/

gdb/

	* Makefile.in (HFILES_NO_SRCDIR): Add
	common/mips-linux-watch.h.
	(mips-linux-watch.o): New rule.
	* common/mips-linux-watch.c: New.
	* common/mips-linux-watch.h: New.
	* config/mips/linux.mh (NATDEPFILES): Add mips-linux-watch.o
	* mips-linux-nat.c: Include mips-linux-watch.h.
	(W_BIT, R_BIT, I_BIT, W_MASK, R_MASK, I_MASK, IRW_MASK): Move
	to common/mips-linux-watch.h.
	(MAX_DEBUG_REGISTER): Likewise.
	(enum pt_watch_style): Likewise.
	(struct mips32_watch_regs): Likewise.
	(struct mips64_watch_regs): Likewise.
	(struct pt_watch_regs): Likewise.
	(struct mips_watchpoint): Likewise.
	(mips_linux_watch_get_irw_mask): Move to
	common/mips-linux-watch.c.
	(get_reg_mask, mips_linux_watch_get_num_valid): Likewise.
	(mips_linux_watch_get_watchlo): Likewise.
	(mips_linux_watch_set_watchlo): Likewise.
	(mips_linux_watch_get_watchhi): Likewise.
	(mips_linux_watch_set_watchhi): Likewise.
	(mips_linux_read_watch_registers): Likewise.
	(mips_linux_watch_type_to_irw): Likewise.
	(mips_linux_stopped_data_address, fill_mask): Likewise.
	(mips_linux_watch_try_one_watch): Likewise.
	(mips_linux_watch_populate_regs): Likewise.