2011-06-22 Pedro Alves <pedro@codesourcery.com>

2011-06-22  Pedro Alves  <pedro@codesourcery.com>

	* breakpoint.h (struct breakpoint): Delete field `exec_pathname'.
	* breakpoint.c (init_raw_breakpoint_without_location): Remove
	reference to exec_pathname.
	(struct exec_catchpoint): New type.
	(dtor_catch_exec): New function.
	(insert_catch_exec, print_it_catch_exec, print_one_catch_exec): Adjust.
	(catch_exec_breakpoint_ops): Install dtor_catch_syscall.
	(catch_exec_command_1): Adjust to use init_catchpoint.
	(delete_breakpoint): Remove reference to exec_pathname.