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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The 3D-capable Blu-ray models also feature a Web Browser with pointer cursor for easy maneuvering, while all models in the 2013 lineup also feature external HDD Playback and personalized menu options on the Blu-ray lineup.

ENGADGET: Panasonic has four new Blu-ray players and a few new media streamers