得到新的可执行应用程序之后，您就可以使用grep工具在映像文件中查找main来寻找它的地址了。
Having the new executable, you can use the grep utility to search for main in the map file to find its address.
如果您输入nm命令，您将注意到在缺省情况下，它会寻找一个名为a.o ut的文件。如果没有找到该文件，这个工具会给出相应的提示。
If you type the nm command, you'll notice that it defaults to looking for a file named a.out If the file isn't found, the tool complains.
寻找和编辑视窗、文件和程序码中特定位置的工具和程序。
Tools and procedures for locating and editing particular locations in Windows, documents, and code.
应用推荐