* arch-utils.c (default_remote_breakpoint_from_pc): New function.

	* arch-utils.h (default_remote_breakpoint_from_pc): Declare.
	* gdbarch.c, gdbarch.h: Regenerated.
	* gdbarch.sh (remote_breakpoint_from_pc): New architecture method.
	* remote.c (remote_insert_breakpoint, remote_insert_hw_breakpoint): Use
	gdbarch_remote_breakpoint_from_pc.

	doc/
	* gdb.texinfo (Architecture-Specific Protocol Details): New section.
	Document ARM breakpoint types.
	(Register Packet Format): Move into the new section.
	(Packets): Describe the KIND argument for Z0, z0, Z1, and z1 packets.