NM(1) BSD Reference Manual NM(1)NAMEnm - display the name list of an executable binary file
SYNOPSISnm [-agnopruw] file ...
DESCRIPTION
The symbol table (name list) of each executable binary or relocatable ob-
ject file is displayed. If a library (archive) is given, nm displays a
list for each object archive member. If no file is given, nm searches
for the file a.out and if it is present, displays the symbol table for
a.out.
-a Display symbol table entries inserted for use by debuggers.
-g Restrict display to external (global) symbols.
-n Present results in numerical order.
-o Display the full path or library name of the object on every line.
-p Do not sort at all.
-r Reverse the order of the sort.
-u Display undefined symbols only.
-w Warn about non-object archive members. Normally, nm will silently
ignore all archive members which are not object files.
Each symbol name is preceded by its value (a blank field if the symbol is
undefined) and one of the following letters:
- debugger symbol table entries (see the -a option).
A absolute
B bss segment symbol
C common symbol
D data segment symbol
f file name
R read-only data segment symbol
T text segment symbol
U undefined
If the symbol is local (non-external) the type letter is in lower case.
The output is sorted alphabetically by default.
SEE ALSOar(1), ar(5), a.out(5), elf(5), objdump(1), stab(5)HISTORY
An nm command appeared in Version 6 AT&T UNIX.
BUGS
The types and values that nm displays for file formats other than the old
a.out(5) format are only approximations. The objdump(1) program displays
a somewhat more detailed name list, as well as other information about
binary files.
The nm program doesn't handle COFF binary files.
4th Berkeley Distribution October 8, 1999 1
