Comments (2)
ab503044120
commented on June 9, 2024
- 应该看处理器的x86图如下
- 字节对齐满足下面几个条件
- 结构体变量的首地址能够被其最宽基本类型成员的大小所整除；
- 结构体每个成员相对于结构体首地址的偏移量（offset）都是成员大小的整数倍，如有需要编译器会在成员之间加上填充字节（internal adding）；
- 结构体的总大小为结构体最宽基本类型成员大小的整数倍，如有需要编译器会在最末一个成员之后加上填充字节（trailing padding）
from computer-basics.
JessonYue
commented on June 9, 2024
楼上正解 感谢
from computer-basics.
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from computer-basics.