WinCE启动步骤第一步疑问

The process of changing an EXE or DLL program file after it has been loaded to reflect the actual load address is called “fixing up”.

哪位朋友能帮我解释下这个fix up的意思么？
还有这样一句：
kernel.dll is also ‘fixed up’ by the ROMIMAGE program to live at a specific virtual address in memory。

感谢！