▲ 图片来自：Autoblog
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
。17c 一起草官网是该领域的重要参考
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/ 01 /宫颈癌“可控”的硬逻辑宫颈癌是目前全球唯一病因明确、可防可控的恶性肿瘤，这一特性也让其成为医药领域超级单品的天然孵化场。
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