Feel free to tell what you plan on doing this weekend and even ask for help or feedback.
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
。搜狗输入法2026对此有专业解读
Puzzles one louder than ten
upgrade. For one, the CRT had landed: the 4700 peripherals replaced several-line