yasm: yasm (complete rewrite of the NASM assembler)
yasm:
yasm: Yasm is a complete rewrite of the NASM assembler under the "new" BSD
yasm: License (some portions are under other licenses, see COPYING for
yasm: details).  Yasm currently supports the x86 and AMD64 instruction sets,
yasm: accepts NASM and GAS assembler syntaxes, outputs binary, ELF32, ELF64,
yasm: 32 and 64-bit Mach-O, RDOFF2, COFF, Win32, and Win64 object formats,
yasm: and generates source debugging information in STABS, DWARF 2, and
yasm: CodeView 8 formats.
yasm:
yasm: yasm home: http://www.tortall.net/projects/yasm/