start your world here

平台

linux

编译命令

 gcc -Wall -g -fno-builtin -ffreestanding -nostdlib -nostartfiles -e my_main pure_code.c

 
代码

void my_main(void)
{
    asm volatile ("mov $0, %ebx\n\t"
                  "mov $1, %eax\n\t"
                  "int $0x80\n\t"); // like exit(0)
}