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GNU Binary Utilities

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GNU Binary Utilities

GNU Binutils
Developer(s) GNU Project
Stable release 2.23.2 / March 26, 2013 (2013-03-26)
Type programming tools
License GNU GPL

The GNU Binary Utilities, or binutils, are a set of programming tools for creating and managing binary programs, object files, libraries, profile data, and assembly source code originally written by programmers at Cygnus Solutions.

The GNU binutils are typically used in conjunction with compilers such as the GNU Compiler Collection (gcc), build tools like make, and the GNU Debugger (gdb).

Through the use of the Binary File Descriptor library (libbfd), most tools support the various object file formats supported by libbfd.

H.J. Lu maintains a version of binutils with bleeding-edge features purely for Linux.[1]


The binutils include the following commands:

as assembler popularly known as GAS (Gnu ASsembler)
ld linker
gprof profiler
addr2line convert address to file and line
ar create, modify, and extract from archives
c++filt demangling filter for C++ symbols
dlltool creation of Windows dynamic-link libraries
gold alternative linker
nlmconv object file conversion to a NetWare Loadable Module
nm list symbols in object files
objcopy copy object files, possibly making changes
objdump dump information about object files
ranlib generate indexes for archives
readelf display content of ELF files
size list total and section sizes
strings list printable strings
strip remove symbols from an object file
windmc generates Windows message resources
windres compiler for Windows resource files

See also

Free software portal


External links

  • GNU Binutils homepage
  • Binutils for Linux
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