yasm: yasm (Yasm Modular Assembler) yasm: yasm: Yasm is a complete rewrite of the NASM assembler under the "new" BSD yasm: License. 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: