GNU Assembler is a historical compiler created in 1986. 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...

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Example code 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

Last updated December 10th, 2019

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