* gdb.texinfo (OS Information): Renamed from Auxiliary Vector; all

	* gdb.texinfo (OS Information): Renamed from Auxiliary Vector; all
	references changed.  Add descriptgion of "info udot".
	(Files): Document "set/show stop-on-solib-events".
	(M32R/D): Document "set/show download-path", "set/show
	board-address", "set/show server-address", "upload", "tload".
	(Maintenance Commands): Improve indexing.
	(Target Commands): Document "set/show hash", "set/show debug
	monitor".
	(SVR4 Process Information): Document "info pidlist" and "info
	meminfo".  Document "set/show procfs-tarce" and "set/show
	procfs-file".  Document "proc-trace-*" and "proc-untrace-*".
	(Symbols, The Print Command with Objective-C): Improve indexing.
	(Objective-C): Add references to "info classes" and "info
	selectors".
	(Debugging Output): Improve wording.