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Additional reporting by Jonathan Fagg, Patrick Hughes and James Pearson。PDF资料对此有专业解读
。PDF资料对此有专业解读
How this works is that alongside any function arguments, there’s an invisible argument2 passed that contains the position of the instruction where it made the jump to the top of the function. The compiler knows what the instruction address is—it’s the one that puts it there—and so for each function call site, that’s just a static piece of information that gets passed in. At the end of each function, the compiler just has to generate some code to read that argument (usually stored in a CPU register somewhere, but it doesn’t have to be), jump back to that location, and continue execution.
当然，大众不是躺赢。对大众来说，如果让EA211这员老将在增程时代继续发光发热，还需要解决两个现实问题：，更多细节参见电影