GNU Utility

以下是从网站http://www.sourceware.org/binutils/摘录过来的：

• 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.
• 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 - Copies 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

上面比较重要的有ar, nm, objcopy, objdump, readelf, strip.

ar可以生成static library;

nm可以list symbol of object files;

objcopy可以转换image格式，例如将elf格式转成bin，或者hex;

objdump可以打印出object files中的可重定位的symbol;

readelf可以从elf中打印出symbol和section的很多信息;

strip可以删除ELF file中的symbol或者section信息。