// Copyright 2013 The Go Authors. All rights reserved.// Use of this source code is governed by a BSD-style// license that can be found in the LICENSE file. // Nm lists the symbols defined or used by an object file, archive, or executable.//// Usage://	go tool nm [options] file...//// The default output prints one line per symbol, with three space-separated// fields giving the address (in hexadecimal), type (a character), and name of// the symbol. The types are:////	T	text (code) segment symbol//	t	static text segment symbol//	R	read-only data segment symbol//	r	static read-only data segment symbol//	D	data segment symbol//	d	static data segment symbol//	B	bss segment symbol//	b	static bss segment symbol//	C	constant address//	U	referenced but undefined symbol//// Following established convention, the address is omitted for undefined// symbols (type U).//// The options control the printed output:////	-n//		an alias for -sort address (numeric),//		for compatibility with other nm commands//	-size//		print symbol size in decimal between address and type//	-sort {address,name,none,size}//		sort output in the given order (default name)//		size orders from largest to smallest//	-type//		print symbol type after name//package main