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-.\" $FreeBSD$
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-.rm #[ #] #H #V #F C
-.\" ========================================================================
-.\"
-.IX Title "NM 1"
-.TH NM 1 "2010-10-30" "binutils-2.17.50" "GNU Development Tools"
-.\" For nroff, turn off justification. Always turn off hyphenation; it makes
-.\" way too many mistakes in technical documents.
-.if n .ad l
-.nh
-.SH "NAME"
-nm \- list symbols from object files
-.SH "SYNOPSIS"
-.IX Header "SYNOPSIS"
-nm [\fB\-a\fR|\fB\-\-debug\-syms\fR] [\fB\-g\fR|\fB\-\-extern\-only\fR]
- [\fB\-B\fR] [\fB\-C\fR|\fB\-\-demangle\fR[=\fIstyle\fR]] [\fB\-D\fR|\fB\-\-dynamic\fR]
- [\fB\-S\fR|\fB\-\-print\-size\fR] [\fB\-s\fR|\fB\-\-print\-armap\fR]
- [\fB\-A\fR|\fB\-o\fR|\fB\-\-print\-file\-name\fR][\fB\-\-special\-syms\fR]
- [\fB\-n\fR|\fB\-v\fR|\fB\-\-numeric\-sort\fR] [\fB\-p\fR|\fB\-\-no\-sort\fR]
- [\fB\-r\fR|\fB\-\-reverse\-sort\fR] [\fB\-\-size\-sort\fR] [\fB\-u\fR|\fB\-\-undefined\-only\fR]
- [\fB\-t\fR \fIradix\fR|\fB\-\-radix=\fR\fIradix\fR] [\fB\-P\fR|\fB\-\-portability\fR]
- [\fB\-\-target=\fR\fIbfdname\fR] [\fB\-f\fR\fIformat\fR|\fB\-\-format=\fR\fIformat\fR]
- [\fB\-\-defined\-only\fR] [\fB\-l\fR|\fB\-\-line\-numbers\fR] [\fB\-\-no\-demangle\fR]
- [\fB\-V\fR|\fB\-\-version\fR] [\fB\-X 32_64\fR] [\fB\-\-help\fR] [\fIobjfile\fR...]
-.SH "DESCRIPTION"
-.IX Header "DESCRIPTION"
-\&\s-1GNU\s0 \fBnm\fR lists the symbols from object files \fIobjfile\fR....
-If no object files are listed as arguments, \fBnm\fR assumes the file
-\&\fIa.out\fR.
-.PP
-For each symbol, \fBnm\fR shows:
-.IP "\(bu" 4
-The symbol value, in the radix selected by options (see below), or
-hexadecimal by default.
-.IP "\(bu" 4
-The symbol type. At least the following types are used; others are, as
-well, depending on the object file format. If lowercase, the symbol is
-local; if uppercase, the symbol is global (external).
-.RS 4
-.ie n .IP """A""" 4
-.el .IP "\f(CWA\fR" 4
-.IX Item "A"
-The symbol's value is absolute, and will not be changed by further
-linking.
-.ie n .IP """B""" 4
-.el .IP "\f(CWB\fR" 4
-.IX Item "B"
-The symbol is in the uninitialized data section (known as \s-1BSS\s0).
-.ie n .IP """C""" 4
-.el .IP "\f(CWC\fR" 4
-.IX Item "C"
-The symbol is common. Common symbols are uninitialized data. When
-linking, multiple common symbols may appear with the same name. If the
-symbol is defined anywhere, the common symbols are treated as undefined
-references.
-.ie n .IP """D""" 4
-.el .IP "\f(CWD\fR" 4
-.IX Item "D"
-The symbol is in the initialized data section.
-.ie n .IP """G""" 4
-.el .IP "\f(CWG\fR" 4
-.IX Item "G"
-The symbol is in an initialized data section for small objects. Some
-object file formats permit more efficient access to small data objects,
-such as a global int variable as opposed to a large global array.
-.ie n .IP """I""" 4
-.el .IP "\f(CWI\fR" 4
-.IX Item "I"
-The symbol is an indirect reference to another symbol. This is a \s-1GNU\s0
-extension to the a.out object file format which is rarely used.
-.ie n .IP """N""" 4
-.el .IP "\f(CWN\fR" 4
-.IX Item "N"
-The symbol is a debugging symbol.
-.ie n .IP """R""" 4
-.el .IP "\f(CWR\fR" 4
-.IX Item "R"
-The symbol is in a read only data section.
-.ie n .IP """S""" 4
-.el .IP "\f(CWS\fR" 4
-.IX Item "S"
-The symbol is in an uninitialized data section for small objects.
-.ie n .IP """T""" 4
-.el .IP "\f(CWT\fR" 4
-.IX Item "T"
-The symbol is in the text (code) section.
-.ie n .IP """U""" 4
-.el .IP "\f(CWU\fR" 4
-.IX Item "U"
-The symbol is undefined.
-.ie n .IP """V""" 4
-.el .IP "\f(CWV\fR" 4
-.IX Item "V"
-The symbol is a weak object. When a weak defined symbol is linked with
-a normal defined symbol, the normal defined symbol is used with no error.
-When a weak undefined symbol is linked and the symbol is not defined,
-the value of the weak symbol becomes zero with no error.
-.ie n .IP """W""" 4
-.el .IP "\f(CWW\fR" 4
-.IX Item "W"
-The symbol is a weak symbol that has not been specifically tagged as a
-weak object symbol. When a weak defined symbol is linked with a normal
-defined symbol, the normal defined symbol is used with no error.
-When a weak undefined symbol is linked and the symbol is not defined,
-the value of the symbol is determined in a system-specific manner without
-error. On some systems, uppercase indicates that a default value has been
-specified.
-.ie n .IP """\-""" 4
-.el .IP "\f(CW\-\fR" 4
-.IX Item "-"
-The symbol is a stabs symbol in an a.out object file. In this case, the
-next values printed are the stabs other field, the stabs desc field, and
-the stab type. Stabs symbols are used to hold debugging information.
-.ie n .IP """?""" 4
-.el .IP "\f(CW?\fR" 4
-.IX Item "?"
-The symbol type is unknown, or object file format specific.
-.RE
-.RS 4
-.RE
-.IP "\(bu" 4
-The symbol name.
-.SH "OPTIONS"
-.IX Header "OPTIONS"
-The long and short forms of options, shown here as alternatives, are
-equivalent.
-.IP "\fB\-A\fR" 4
-.IX Item "-A"
-.PD 0
-.IP "\fB\-o\fR" 4
-.IX Item "-o"
-.IP "\fB\-\-print\-file\-name\fR" 4
-.IX Item "--print-file-name"
-.PD
-Precede each symbol by the name of the input file (or archive member)
-in which it was found, rather than identifying the input file once only,
-before all of its symbols.
-.IP "\fB\-a\fR" 4
-.IX Item "-a"
-.PD 0
-.IP "\fB\-\-debug\-syms\fR" 4
-.IX Item "--debug-syms"
-.PD
-Display all symbols, even debugger-only symbols; normally these are not
-listed.
-.IP "\fB\-B\fR" 4
-.IX Item "-B"
-The same as \fB\-\-format=bsd\fR (for compatibility with the \s-1MIPS\s0 \fBnm\fR).
-.IP "\fB\-C\fR" 4
-.IX Item "-C"
-.PD 0
-.IP "\fB\-\-demangle[=\fR\fIstyle\fR\fB]\fR" 4
-.IX Item "--demangle[=style]"
-.PD
-Decode (\fIdemangle\fR) low-level symbol names into user-level names.
-Besides removing any initial underscore prepended by the system, this
-makes \*(C+ function names readable. Different compilers have different
-mangling styles. The optional demangling style argument can be used to
-choose an appropriate demangling style for your compiler.
-.IP "\fB\-\-no\-demangle\fR" 4
-.IX Item "--no-demangle"
-Do not demangle low-level symbol names. This is the default.
-.IP "\fB\-D\fR" 4
-.IX Item "-D"
-.PD 0
-.IP "\fB\-\-dynamic\fR" 4
-.IX Item "--dynamic"
-.PD
-Display the dynamic symbols rather than the normal symbols. This is
-only meaningful for dynamic objects, such as certain types of shared
-libraries.
-.IP "\fB\-f\fR \fIformat\fR" 4
-.IX Item "-f format"
-.PD 0
-.IP "\fB\-\-format=\fR\fIformat\fR" 4
-.IX Item "--format=format"
-.PD
-Use the output format \fIformat\fR, which can be \f(CW\*(C`bsd\*(C'\fR,
-\&\f(CW\*(C`sysv\*(C'\fR, or \f(CW\*(C`posix\*(C'\fR. The default is \f(CW\*(C`bsd\*(C'\fR.
-Only the first character of \fIformat\fR is significant; it can be
-either upper or lower case.
-.IP "\fB\-g\fR" 4
-.IX Item "-g"
-.PD 0
-.IP "\fB\-\-extern\-only\fR" 4
-.IX Item "--extern-only"
-.PD
-Display only external symbols.
-.IP "\fB\-l\fR" 4
-.IX Item "-l"
-.PD 0
-.IP "\fB\-\-line\-numbers\fR" 4
-.IX Item "--line-numbers"
-.PD
-For each symbol, use debugging information to try to find a filename and
-line number. For a defined symbol, look for the line number of the
-address of the symbol. For an undefined symbol, look for the line
-number of a relocation entry which refers to the symbol. If line number
-information can be found, print it after the other symbol information.
-.IP "\fB\-n\fR" 4
-.IX Item "-n"
-.PD 0
-.IP "\fB\-v\fR" 4
-.IX Item "-v"
-.IP "\fB\-\-numeric\-sort\fR" 4
-.IX Item "--numeric-sort"
-.PD
-Sort symbols numerically by their addresses, rather than alphabetically
-by their names.
-.IP "\fB\-p\fR" 4
-.IX Item "-p"
-.PD 0
-.IP "\fB\-\-no\-sort\fR" 4
-.IX Item "--no-sort"
-.PD
-Do not bother to sort the symbols in any order; print them in the order
-encountered.
-.IP "\fB\-P\fR" 4
-.IX Item "-P"
-.PD 0
-.IP "\fB\-\-portability\fR" 4
-.IX Item "--portability"
-.PD
-Use the \s-1POSIX\s0.2 standard output format instead of the default format.
-Equivalent to \fB\-f posix\fR.
-.IP "\fB\-S\fR" 4
-.IX Item "-S"
-.PD 0
-.IP "\fB\-\-print\-size\fR" 4
-.IX Item "--print-size"
-.PD
-Print size, not the value, of defined symbols for the \f(CW\*(C`bsd\*(C'\fR output format.
-.IP "\fB\-s\fR" 4
-.IX Item "-s"
-.PD 0
-.IP "\fB\-\-print\-armap\fR" 4
-.IX Item "--print-armap"
-.PD
-When listing symbols from archive members, include the index: a mapping
-(stored in the archive by \fBar\fR or \fBranlib\fR) of which modules
-contain definitions for which names.
-.IP "\fB\-r\fR" 4
-.IX Item "-r"
-.PD 0
-.IP "\fB\-\-reverse\-sort\fR" 4
-.IX Item "--reverse-sort"
-.PD
-Reverse the order of the sort (whether numeric or alphabetic); let the
-last come first.
-.IP "\fB\-\-size\-sort\fR" 4
-.IX Item "--size-sort"
-Sort symbols by size. The size is computed as the difference between
-the value of the symbol and the value of the symbol with the next higher
-value. If the \f(CW\*(C`bsd\*(C'\fR output format is used the size of the symbol
-is printed, rather than the value, and \fB\-S\fR must be used in order
-both size and value to be printed.
-.IP "\fB\-\-special\-syms\fR" 4
-.IX Item "--special-syms"
-Display symbols which have a target-specific special meaning. These
-symbols are usually used by the target for some special processing and
-are not normally helpful when included included in the normal symbol
-lists. For example for \s-1ARM\s0 targets this option would skip the mapping
-symbols used to mark transitions between \s-1ARM\s0 code, \s-1THUMB\s0 code and
-data.
-.IP "\fB\-t\fR \fIradix\fR" 4
-.IX Item "-t radix"
-.PD 0
-.IP "\fB\-\-radix=\fR\fIradix\fR" 4
-.IX Item "--radix=radix"
-.PD
-Use \fIradix\fR as the radix for printing the symbol values. It must be
-\&\fBd\fR for decimal, \fBo\fR for octal, or \fBx\fR for hexadecimal.
-.IP "\fB\-\-target=\fR\fIbfdname\fR" 4
-.IX Item "--target=bfdname"
-Specify an object code format other than your system's default format.
-.IP "\fB\-u\fR" 4
-.IX Item "-u"
-.PD 0
-.IP "\fB\-\-undefined\-only\fR" 4
-.IX Item "--undefined-only"
-.PD
-Display only undefined symbols (those external to each object file).
-.IP "\fB\-\-defined\-only\fR" 4
-.IX Item "--defined-only"
-Display only defined symbols for each object file.
-.IP "\fB\-V\fR" 4
-.IX Item "-V"
-.PD 0
-.IP "\fB\-\-version\fR" 4
-.IX Item "--version"
-.PD
-Show the version number of \fBnm\fR and exit.
-.IP "\fB\-X\fR" 4
-.IX Item "-X"
-This option is ignored for compatibility with the \s-1AIX\s0 version of
-\&\fBnm\fR. It takes one parameter which must be the string
-\&\fB32_64\fR. The default mode of \s-1AIX\s0 \fBnm\fR corresponds
-to \fB\-X 32\fR, which is not supported by \s-1GNU\s0 \fBnm\fR.
-.IP "\fB\-\-help\fR" 4
-.IX Item "--help"
-Show a summary of the options to \fBnm\fR and exit.
-.IP "\fB@\fR\fIfile\fR" 4
-.IX Item "@file"
-Read command-line options from \fIfile\fR. The options read are
-inserted in place of the original @\fIfile\fR option. If \fIfile\fR
-does not exist, or cannot be read, then the option will be treated
-literally, and not removed.
-.Sp
-Options in \fIfile\fR are separated by whitespace. A whitespace
-character may be included in an option by surrounding the entire
-option in either single or double quotes. Any character (including a
-backslash) may be included by prefixing the character to be included
-with a backslash. The \fIfile\fR may itself contain additional
-@\fIfile\fR options; any such options will be processed recursively.
-.SH "SEE ALSO"
-.IX Header "SEE ALSO"
-\&\fIar\fR\|(1), \fIobjdump\fR\|(1), \fIranlib\fR\|(1), and the Info entries for \fIbinutils\fR.
-.SH "COPYRIGHT"
-.IX Header "COPYRIGHT"
-Copyright (c) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
-.PP
-Permission is granted to copy, distribute and/or modify this document
-under the terms of the \s-1GNU\s0 Free Documentation License, Version 1.1
-or any later version published by the Free Software Foundation;
-with no Invariant Sections, with no Front-Cover Texts, and with no
-Back-Cover Texts. A copy of the license is included in the
-section entitled \*(L"\s-1GNU\s0 Free Documentation License\*(R".
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