mbackchain and -mno-backchain: These options control whether the address of the caller's frame is stored as so-called "backchain" pointer into the callee's stack frame.
mbackchain和 -mno-backchain：这些选项控制调用方帧的地址是否作为 “backchain”指针存储到被调用方的堆栈帧。
mbackchain and -mno-backchain: These options control whether the address of the caller's frame is stored as so-called "backchain" pointer into the callee's stack frame.
mbackchain和 -mno-backchain：这些选项控制调用方帧的地址是否作为 “backchain”指针存储到被调用方的堆栈帧。
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