2012-05-14 Stan Shebs <stan@codesourcery.com>

2012-05-14  Stan Shebs  <stan@codesourcery.com>

	Add dynamic printf.
	* breakpoint.h (enum bptype): New type bp_dprintf.
	(struct breakpoint): New field extra_string.
	(struct breakpoint_ops): Add arg to create_breakpoints_sal.
	(create_breakpoint): Add extra_string arg.
	* breakpoint.c (dprintf_breakpoint_ops): New.
	(is_breakpoint): Add bp_dprintf.
	(bpstat_what): Add dprintf case.
	(bptype_string): Ditto.
	(print_one_breakpoint_location): Ditto.
	(init_bp_location): Ditto.
	(bkpt_print_mention): Ditto.
	(dprintf_style_enums): New array.
	(dprintf_style): New global.
	(dprintf_function): New global.
	(dprintf_channel): New global.
	(update_dprintf_command_list): New function.
	(update_dprintf_commands): New function.
	(init_breakpoint_sal): Add extra_string argument, handle it.
	(create_breakpoint_sal): Add extra_string argument.
	(create_breakpoints_sal): Add extra_string argument, update callers.
	(find_condition_and_thread): Add extra argument.
	(create_breakpoint): Add extra_string argument, record it.
	(dprintf_command): New function.
	(break_command_1): Add arg to create_breakpoint call.
	(handle_gnu_v3_exceptions): Ditto.
	(trace_command): Ditto.
	(ftrace_command): Ditto.
	(strace_command): Ditto.
	(bkpt_print_mention): Add dprintf case.
	(create_breakpoint_sal_default): Add extra_string argument.
	(_initialize_breakpoint): Add new commands.
	* mi/mi-cmd-break.c (mi_cmd_break_insert): Add arg to call.
	* python/py-breakpoint.c (bppy_init): Ditto.
	* python/py-finishbreakpoint.c (bpfinishpy_init): Ditto.

	* gdb.texinfo (Dynamic Printf): New subsection.

	* gdb.base/dprintf.c: New file.
	* gdb.base/dprintf.exp: New file.