This ensures that the frame pointer register will be used as a frame pointer leading to accurate tracebacks.
这确保了帧指针寄存器将被用作帧指针，从而产生正确的回溯。
That means that the attacker can overwrite SFP (the saved frame pointer) and then overwrite ret (the return address).
那意味着攻击者能够改写sfp(即已保存的帧指针)，然后改写ret(返回地址)。
This will lead to better stack tracebacks, as the frame pointer register is used as a frame pointer rather than a general purpose register.
这将产生更好的堆栈回溯，因为帧指针寄存器被用作帧指针而不是通用寄存器。
A frame function can dynamically allocate stack space and can employ a frame pointer.
帧函数可以动态分配堆栈空间并采用帧指针。
If the CONFIG_FRAME_POINTER option was set during kernel compilation, the frame pointer register is used to maintain stacks and, hence, the stack traceback can be performed correctly.
如果内核编译期间设置了CONFIG_FRAME _ POINTER选项，那么就用帧指针寄存器来维护堆栈，从而就可以正确地执行堆栈回溯。
Next, the current stack frame pointer is stored as the back pointer for the next stack frame, even though you haven't established the stack frame yet (this is done through negative offsets).
接下来，当前堆栈框架指针会被存储为指向下一个堆栈框架的后向指针，虽然尚未建立堆栈框架(这是通过负的偏移量实现的)。
Next, the current stack frame pointer is stored as the back pointer for the next stack frame, even though you haven't established the stack frame yet (this is done through negative offsets).
接下来，当前堆栈框架指针会被存储为指向下一个堆栈框架的后向指针，虽然尚未建立堆栈框架(这是通过负的偏移量实现的)。
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