GNU Assembler is a 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 February 18th, 2020

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