GNU Assembler - Compiler

GNU Assembler is an open source compiler created in 1986.

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38Years Old

The GNU Assembler, commonly known as gas or simply as, its executable name, is the assembler used by the GNU Project. It is the default back-end of GCC. It is used to assemble the GNU operating system and the Linux kernel, and various other software. Read more on Wikipedia...

Tags: compiler
Early development of GNU Assembler happened in GNU Project
First announcement of GNU Assembler
CodeMirror package for syntax highlighting GNU Assembler
Pygments supports syntax highlighting for GNU Assembler
See also: (8 related languages) C, Unix, PowerPC, MIPS architecture, ARM, Linux, IA-32, X86

Example from Wikipedia:

.global	_start

.text
_start:
	movl  $4, %eax
	movl  $1, %ebx
	movl  $msg, %ecx
	movl  $len, %edx
	int   $0x80

	movl  $1, %eax
	movl  $0, %ebx
	int   $0x80
.data
msg:
	.ascii  "Hello, world!\n"
	len =   . - msg