To effect the substitution, the tool amends a running kernel image with the new functions' object code and injects a jump at the head of each existing function to call its new counterpart.

为了让替换生效，工具在正在运行的内核映像中添加新的函数对象代码，然后在每个现有函数的开头注入一个跳转，从而调用函数的新实现。

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To effect the substitution, the tool amends a running kernel image with the new functions' object code and injects a jump at the head of each existing function to call its new counterpart.

为了让替换生效，工具在正在运行的内核映像中添加新的函数对象代码，然后在每个现有函数的开头注入一个跳转，从而调用函数的新实现。

youdao