小编Kau*_*nda的帖子

我正在步入汇编语言编程的世界。我试图了解在以下位置找到的所有内容：https : //www.tutorialspoint.com/assembly_programming

我遇到了下面的代码：

section .text
     global _start      ;must be declared for using gcc
_start: ;tell linker entry point

;This part works fine.
;mov    edx, len    ;message length
;mov    ecx, msg    ;message to write

;This does not work because I interchanged edx and ecx.
mov ecx, len    ;message length
mov edx, msg    ;message to write

mov ebx, 1      ;file descriptor (stdout)
mov eax, 4      ;system call number (sys_write)
int 0x80        ;call kernel
mov eax, 1      ;system call number (sys_exit) …