It makes life easier for device manufacturers because it provides a starting point - a known working implementation of the stack that can be adapted to various devices.
它的出现使设备制造商变得更轻松,因为它提供了一个起始点—可以在多种设备中使用的堆栈的知名工作实现。
The computer refers to this point as the return address and keeps track of it in the stack frame.
计算机引用这一点作为返回地址,会在堆栈框架中跟踪它。
We simply move the new values for the parameters on top of the old ones and do a jump to the point in the function right after local variables are saved on the stack.
我们只需要将参数的新值移到旧值之上,然后在本地变量保存到栈上之后立即进行一个到函数中位置的跳转。
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