The key is the test TST_SEL_RET on line 682. It compares the RPL of the return CS selector (saved on the stack by the original CALL) against the current CPL. If RPL == CPL, the PLA returns 0x000 (continue) and LD_DESCRIPTOR finishes normally -- same-privilege return. If RPL CPL, the caller is returning to a less-privileged ring, so the PLA redirects to 0x686 (RETF_OUTER_LEV) -- the cross-privilege path that must also restore the caller's stack. If RPL
But why are these men doing this?
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For slices that are on the stack, it allocates a new slice on the，详情可参考雷电模拟器官方版本下载
肖赛夺冠后，陆逸轩被记者包围。图丨© Wojciech Grzedzinski，这一点在搜狗输入法2026中也有详细论述