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Annotation of src/usr.bin/nm/nm.1, Revision 1.7

1.7     ! espie       1: .\"    $OpenBSD: nm.1,v 1.6 2000/11/09 17:52:28 aaron Exp $
1.1       deraadt     2: .\"    $NetBSD: nm.1,v 1.3 1995/08/31 23:41:58 jtc Exp $
                      3: .\"
                      4: .\" Copyright (c) 1980, 1990, 1993
                      5: .\"    The Regents of the University of California.  All rights reserved.
                      6: .\"
                      7: .\" Redistribution and use in source and binary forms, with or without
                      8: .\" modification, are permitted provided that the following conditions
                      9: .\" are met:
                     10: .\" 1. Redistributions of source code must retain the above copyright
                     11: .\"    notice, this list of conditions and the following disclaimer.
                     12: .\" 2. Redistributions in binary form must reproduce the above copyright
                     13: .\"    notice, this list of conditions and the following disclaimer in the
                     14: .\"    documentation and/or other materials provided with the distribution.
                     15: .\" 3. All advertising materials mentioning features or use of this software
                     16: .\"    must display the following acknowledgement:
                     17: .\"    This product includes software developed by the University of
                     18: .\"    California, Berkeley and its contributors.
                     19: .\" 4. Neither the name of the University nor the names of its contributors
                     20: .\"    may be used to endorse or promote products derived from this software
                     21: .\"    without specific prior written permission.
                     22: .\"
                     23: .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     24: .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     25: .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     26: .\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     27: .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     28: .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     29: .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     30: .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     31: .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     32: .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     33: .\" SUCH DAMAGE.
                     34: .\"
                     35: .\"     @(#)nm.1       8.1 (Berkeley) 6/6/93
                     36: .\"
                     37: .Dd June 6, 1993
                     38: .Dt NM 1
1.4       aaron      39: .Os
1.1       deraadt    40: .Sh NAME
                     41: .Nm nm
                     42: .Nd display name list (symbol table)
                     43: .Sh SYNOPSIS
                     44: .Nm nm
                     45: .Op Fl agnopruw
1.3       aaron      46: .Ar file Op Ar ...
1.1       deraadt    47: .Sh DESCRIPTION
                     48: The symbol table (name list) of each object in
                     49: .Ar file(s)
                     50: is displayed.
                     51: If a library (archive) is given,
1.4       aaron      52: .Nm
1.1       deraadt    53: displays a list for each
                     54: object archive member.
                     55: If
                     56: .Ar file
                     57: is not present,
                     58: .Nm
                     59: searches for the file
                     60: .Pa a.out
1.5       aaron      61: and displays its symbol table if it exists.
                     62: .Pp
                     63: The options are as follows:
1.6       aaron      64: .Bl -tag -width Ds
1.1       deraadt    65: .It Fl a
                     66: Display symbol table entries inserted for use by debuggers.
1.7     ! espie      67: .It Fl C
        !            68: Decode low-level symbol names. This involves removing extra underscores
        !            69: and making C++ function names readable.
1.1       deraadt    70: .It Fl g
                     71: Restrict display to external (global) symbols.
                     72: .It Fl n
                     73: Present results in numerical order.
                     74: .It Fl o
                     75: Display full path or library name of object on every line.
                     76: .It Fl p
                     77: Do not sort at all.
                     78: .It Fl r
                     79: Reverse order sort.
                     80: .It Fl u
                     81: Display undefined symbols only.
                     82: .It Fl w
                     83: Warn about non-object archive members.
1.3       aaron      84: Normally,
                     85: .Nm nm
                     86: will silently ignore all archive members which are not
1.1       deraadt    87: object files.
                     88: .El
                     89: .Pp
                     90: Each symbol name is preceded by its value (a blank field if the symbol
                     91: is undefined) and one of the following letters:
                     92: .Pp
                     93: .Bl -tag -width Ds -compact -offset indent
                     94: .It Fl
                     95: debugger symbol table entries (see the
                     96: .Fl a
                     97: option).
                     98: .It Li A
                     99: absolute
                    100: .It Li B
                    101: bss segment symbol
                    102: .It Li C
                    103: common symbol
                    104: .It Li D
                    105: data segment symbol
                    106: .It Li f
                    107: file name
                    108: .It Li T
                    109: text segment symbol
                    110: .It Li U
                    111: undefined
                    112: .El
                    113: .Pp
                    114: If the symbol is local (non-external) the type letter is in lower case.
                    115: The output is sorted alphabetically.
                    116: .Sh SEE ALSO
                    117: .Xr ar 1 ,
1.3       aaron     118: .Xr a.out 5 ,
1.1       deraadt   119: .Xr ar 5 ,
                    120: .Xr stab 5
                    121: .Sh HISTORY
                    122: An
                    123: .Nm nm
                    124: command appeared in
                    125: .At v6 .