gdb

gdb
	PR breakpoints/9352:
	* NEWS: Mention changes to `commands' and `rbreak'.
	* symtab.c (do_end_rbreak_breakpoints): New function.
	(rbreak_command): Call start_rbreak_breakpoints; arrange to call
	end_rbreak_breakpoints.
	* breakpoint.c (breakpoint_count, tracepoint_count): Now static.
	(set_breakpoint_count): Likewise.  Clear last_was_multi.
	(multi_start, multi_end, last_was_multi): New globals.
	(start_rbreak_breakpoints, end_rbreak_breakpoints): New
	functions.
	(struct commands_info): New
	(do_map_commands_command): New function.
	(commands_command_1): New function.
	(commands_command): Use it.
	(commands_from_control_command): Likewise.
	(do_delete_breakpoint): New function.
	(delete_command): Use it.
	(map_breakpoint_numbers): Add 'data' argument.  Pass to callback.
	(do_map_disable_breakpoint): New function.
	(disable_command): Use it.
	(do_map_enable_breakpoint): New function.
	(enable_command): Use it.
	(enable_once_breakpoint): Add argument.
	(enable_once_command): Update.
	(enable_delete_breakpoint): Add argument.
	(enable_delete_command): Update.
	(break_command_really): Set last_was_multi when needed.
	(check_tracepoint_command): Fix formatting.
	(validate_commands_for_breakpoint): New function.
	(breakpoint_set_commands): Use it.
	(tracepoint_save_command): Update.
	* breakpoint.h (start_rbreak_breakpoints, end_rbreak_breakpoints):
	Declare.
gdb/doc
	PR breakpoints/9352:
	* gdb.texinfo (Break Commands): Update.
gdb/testsuite
	PR breakpoints/9352:
	* gdb.base/default.exp: Update.
	* gdb.base/commands.exp: Update.
	* gdb.cp/extern-c.exp: Test setting commands on multiple
	breakpoints at once.