Create nat/i386-dregs.c

Create nat/i386-dregs.c

This commit moves code to be shared from i386-{nat,low}.[ch]
into a new file, nat/i386-dregs.c.

gdb/
2014-06-19  Gary Benson  <gbenson@redhat.com>

	* nat/i386-dregs.c: New file.
	* Makefile.in (i386-dregs.o): New rule.
	* config/i386/cygwin.mh (NATDEPFILES): Add i386-dregs.o.
	* config/i386/cygwin64.mh (NATDEPFILES): Likewise.
	* config/i386/darwin.mh (NATDEPFILES): Likewise.
	* config/i386/fbsd.mh (NATDEPFILES): Likewise.
	* config/i386/fbsd64.mh (NATDEPFILES): Likewise.
	* config/i386/go32.mh (NATDEPFILES): Likewise.
	* config/i386/linux.mh (NATDEPFILES): Likewise.
	* config/i386/linux64.mh (NATDEPFILES): Likewise.
	* config/i386/mingw.mh (NATDEPFILES): Likewise.
	* config/i386/mingw64.mh (NATDEPFILES): Likewise.
	* i386-nat.h (debug_hw_points): New declaration.
	* i386-nat.c (breakpoint.h): Remove include.
	(command.h): Likewise.
	(target.h): Likewise.
	(gdb_assert.h): Likewise.
	(debug_hw_points): Made nonstatic.
	(debug_printf): Now in i386-dregs.c.
	(TARGET_HAS_DR_LEN_8): Likewise.
	(DR_CONTROL_SHIFT): Likewise.
	(DR_CONTROL_SIZE): Likewise.
	(DR_RW_EXECUTE): Likewise.
	(DR_RW_WRITE): Likewise.
	(DR_RW_READ): Likewise.
	(DR_RW_IORW): Likewise.
	(DR_LEN_1): Likewise.
	(DR_LEN_2): Likewise.
	(DR_LEN_4): Likewise.
	(DR_LEN_8): Likewise.
	(DR_LOCAL_ENABLE_SHIFT): Likewise.
	(DR_GLOBAL_ENABLE_SHIFT): Likewise.
	(DR_ENABLE_SIZE): Likewise.
	(DR_LOCAL_SLOWDOWN): Likewise.
	(DR_GLOBAL_SLOWDOWN): Likewise.
	(DR_CONTROL_RESERVED): Likewise.
	(I386_DR_CONTROL_MASK): Likewise.
	(I386_DR_VACANT): Likewise.
	(I386_DR_LOCAL_ENABLE): Likewise.
	(I386_DR_GLOBAL_ENABLE): Likewise.
	(I386_DR_DISABLE): Likewise.
	(I386_DR_SET_RW_LEN): Likewise.
	(I386_DR_GET_RW_LEN): Likewise.
	(I386_DR_WATCH_HIT): Likewise.
	(i386_wp_op_t): Likewise.
	(i386_show_dr): Likewise.
	(i386_length_and_rw_bits): Likewise.
	(i386_insert_aligned_watchpoint): Likewise.
	(i386_remove_aligned_watchpoint): Likewise.
	(i386_handle_nonaligned_watchpoint): Likewise.
	(i386_update_inferior_debug_regs): Likewise.
	(i386_insert_watchpoint): Use i386_dr_insert_watchpoint.
	(i386_remove_watchpoint): Use i386_dr_remove_watchpoint.
	(i386_region_ok_for_watchpoint):
	Use i386_dr_region_ok_for_watchpoint.
	(i386_stopped_data_address): Use i386_dr_stopped_data_address.

gdb/gdbserver/
2014-06-19  Gary Benson  <gbenson@redhat.com>

	* Makefile.in (i386-dregs.o): New rule.
	* configure.srv: Add i386-dregs.o to all targets using i386-low.o.
	* i386-low.c (target.h): Remove include.
	(TARGET_HAS_DR_LEN_8): Now in i386-dregs.c.
	(DR_CONTROL_SHIFT): Likewise.
	(DR_CONTROL_SIZE): Likewise.
	(DR_RW_EXECUTE): Likewise.
	(DR_RW_WRITE): Likewise.
	(DR_RW_READ): Likewise.
	(DR_RW_IORW): Likewise.
	(DR_LEN_1): Likewise.
	(DR_LEN_2): Likewise.
	(DR_LEN_4): Likewise.
	(DR_LEN_8): Likewise.
	(DR_LOCAL_ENABLE_SHIFT): Likewise.
	(DR_GLOBAL_ENABLE_SHIFT): Likewise.
	(DR_ENABLE_SIZE): Likewise.
	(DR_LOCAL_SLOWDOWN): Likewise.
	(DR_GLOBAL_SLOWDOWN): Likewise.
	(DR_CONTROL_RESERVED): Likewise.
	(I386_DR_CONTROL_MASK): Likewise.
	(I386_DR_VACANT): Likewise.
	(I386_DR_LOCAL_ENABLE): Likewise.
	(I386_DR_GLOBAL_ENABLE): Likewise.
	(I386_DR_DISABLE): Likewise.
	(I386_DR_SET_RW_LEN): Likewise.
	(I386_DR_GET_RW_LEN): Likewise.
	(I386_DR_WATCH_HIT): Likewise.
	(i386_wp_op_t): Likewise.
	(i386_show_dr): Likewise.
	(i386_length_and_rw_bits): Likewise.
	(i386_insert_aligned_watchpoint): Likewise.
	(i386_remove_aligned_watchpoint): Likewise.
	(i386_handle_nonaligned_watchpoint): Likewise.
	i386_update_inferior_debug_regs(): Likewise.
	(i386_dr_insert_watchpoint): Likewise.
	(i386_dr_remove_watchpoint): Likewise.
	(i386_dr_region_ok_for_watchpoint): Likewise.
	(i386_dr_stopped_data_address): Likewise.
	(i386_dr_stopped_by_watchpoint): Likewise.