nm
TLDR
List symbols
$ nm [binary]
Show only external symbols$ nm -g [binary]
Show undefined symbols$ nm -u [binary]
Show defined symbols$ nm -U [binary]
Demangle C++ symbols$ nm -C [binary]
Sort by address$ nm -n [binary]
Show symbol sizes$ nm -S [binary]
SYNOPSIS
nm [options] files
DESCRIPTION
nm lists symbols from object files. Shows function and variable names.
The tool inspects binaries. Essential for debugging and reverse engineering.
nm lists binary symbols.
PARAMETERS
FILES
Object files or libraries.-g
External symbols only.-u
Undefined symbols only.-U
Defined symbols only.-C
Demangle C++ names.-n
Sort by address.-S
Print symbol sizes.--help
Display help information.
CAVEATS
Requires debug symbols for best results. Part of binutils. Platform variations.
HISTORY
nm is a classic Unix utility from early Unix systems for examining object file symbols.
