读取内存保护 [英] Reading memory protection

问题描述

我想知道Linux是否有一种检索内存保护的方法.就像，我想恢复使用mprotect更改后的保护.

I would like to know if there is for linux a way of retrieving the protection of the memory. Like, I want to restore the protection that existed after changing it with mprotect.

推荐答案

根据davidg的回答，以下是函数unsigned int read_mprotection(void* addr): re_mprot.c ， github上的reDroid项目(该代码可在Android上运行，应可移植到其他Linux系统上.)

Based on the answer by davidg, here's the function unsigned int read_mprotection(void* addr): re_mprot.c, re_mprot.h from the reDroid project at github (the code works on Android, it should be portable to other linuxes).

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