$ cat > jews.asm
bits 32 ; set our target environment
cpu p4
extern _puts ; import a symbol
global _main ; export a symbol
section .rodata ; put this in a read-only page
blah:
db "JEWS",0 ; some arbitrary bytes
section .text ; put this in a code page
_main: ; symbol for C-style function entry point
enter 8,0 ; allocate a stack frame, must be 16-byte aligned
mov [esp], dword blah ; put our string pointer at top of stack
call _puts ; call a C function
xor eax,eax ; put 0 in return register
leave ; pop the stack frame
ret ; return
$ nasm -f macho jews.asm && cc -o jews jews.o && ./jews
JEWS