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
# egress = "unrestricted" # default
，详情可参考雷电模拟器官方版本下载
Что думаешь? Оцени!
過去一年，北京將人工智慧與機器人技術納入經濟戰略核心，在先進晶片製造、自動化及生成式AI領域投入巨資，力圖在科技領域超越美國。