# addr2line > Convert addresses of a binary into file names and line numbers. > More information: . - Display the filename and line number of the source code from an instruction address of an executable: `addr2line --exe={{path/to/executable}} {{address}}` - Display the function name, filename and line number: `addr2line --exe={{path/to/executable}} --functions {{address}}` - Demangle the function name for C++ code: `addr2line --exe={{path/to/executable}} --functions --demangle {{address}}`