diff options
Diffstat (limited to 'PGU/CHAP8/helloworld-nolib.s')
| -rw-r--r-- | PGU/CHAP8/helloworld-nolib.s | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/PGU/CHAP8/helloworld-nolib.s b/PGU/CHAP8/helloworld-nolib.s new file mode 100644 index 0000000..83d52ce --- /dev/null +++ b/PGU/CHAP8/helloworld-nolib.s @@ -0,0 +1,25 @@ +# Write "hello world" and exit + +.include "linux.s" + +.section .data + helloworld: + .ascii "hello world\n" + helloworld_end: + + .equ helloworld_len, helloworld_end - helloworld + +.section .text + +.globl _start + +_start: + movq $STDOUT, %rdi + movq $helloworld, %rsi + movq $helloworld_len, %rdx + movq $SYS_WRITE, %rax + syscall + + movq $0, %rdi + movq $SYS_EXIT, %rax + syscall |