1 // Copyright 2013 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // Nm lists the symbols defined or used by an object file, archive, or executable. 6 // 7 // Usage: 8 // go tool nm [options] file... 9 // 10 // The default output prints one line per symbol, with three space-separated 11 // fields giving the address (in hexadecimal), type (a character), and name of 12 // the symbol. The types are: 13 // 14 // T text (code) segment symbol 15 // t static text segment symbol 16 // R read-only data segment symbol 17 // r static read-only data segment symbol 18 // D data segment symbol 19 // d static data segment symbol 20 // B bss segment symbol 21 // b static bss segment symbol 22 // C constant address 23 // U referenced but undefined symbol 24 // 25 // Following established convention, the address is omitted for undefined 26 // symbols (type U). 27 // 28 // The options control the printed output: 29 // 30 // -n 31 // an alias for -sort address (numeric), 32 // for compatibility with other nm commands 33 // -size 34 // print symbol size in decimal between address and type 35 // -sort {address,name,none,size} 36 // sort output in the given order (default name) 37 // size orders from largest to smallest 38 // -type 39 // print symbol type after name 40 // 41 package main 42