Lexicon Entry

GAS (GNU Assembler)

The assembler in the GNU Binutils toolchain. Default on Linux. Uses AT&T syntax by default (switchable to Intel with `.intel_syntax`). Invoked as `as` or through GCC.

Related Knowledge & Cross-References

Guide

Oct 28, 2025

Windows Assembly Toolchain: The Native MASM Guide

Set up the Windows native assembly toolchain with Visual Studio. Learn ml64.exe (MASM) for x64 and armasm64.exe for ARM64, plus key syntax differences from GNU tools.