section .data
msg db 'This is a test', 10, 0 ; something stupid here
ft db 'addr is %x',10,0
section .text
global _main
extern _printf
extern _exit
_main:
push rbp
mov rbp, rsp
;xor al, al
mov rdi, ft
;lea rdi,[rel ft]
mov rsi,rdi
call _printf
;xor rax,rax
;mov [rax],rax
xor rdi,rdi
call _exit
;mov rsp, rbp
;pop rbp
ret
mac OS X 10.8.3:
nasm -f macho x.asm
gcc -o x x.o
会出现警告：
ld: warning: PIE disabled. Absolute addressing (perhaps -mdynamic-no-pic) not allowed in code signed PIE, but used in _main from a.o. To fix this warning, don't compile
