What is Toolchain

gnu chain

 

Cross-build Toolchain is a collection of binary tools.

The main ones are:
as - the GNU assembler.
ld - the GNU linker.

But they also include:

addr2line - Converts addresses into filenames and line numbers.
ar - A utility for creating, modifying and extracting from archives.
c++filt - Filter to demangle encoded C++ symbols.
dlltool - Creates files for building and using DLLs.
ld.bfd - An alternative to the GNU linker.
ld.gold - A new, faster, ELF only linker, still in beta test.
gprof - Displays profiling information.
nlmconv - Converts object code into an NLM.
nm - Lists symbols from object files.
objcopy - Copys and translates object files.
objdump - Displays information from object files.
ranlib - Generates an index to the contents of an archive.
readelf - Displays information from any ELF format object file.
size - Lists the section sizes of an object or archive file.
strings - Lists printable strings from files.
strip - Discards symbols.
windmc - A Windows compatible message compiler.
windres - A compiler for Windows resource files.