如何在C ++中找到ELF二进制所需的动态库？ [英] How can I find the dynamic libraries required by an ELF Binary in C++?

问题描述

如何获得一个elf二进制在linux使用C ++所需的所有动态库的列表？

How can I get a list of all the dynamic libraries that is required by an elf binary in linux using C++?

一旦我设法从二进制文件中提取信息（文件名？），我可以通过搜索 PATH ，但我没有找到任何有关从ELF二进制文件中提取未解决信息的信息。

Once I've managed to extract the information (filename?) from the binary I can find the actual file by searching through the PATH, but I haven't been able to find any information regarding extracting unmangled information from the ELF binary.

想法？

推荐答案

您可以调用readelf -d程序并解析输出：

You can call "readelf -d" program and parse the output:

readelf -d /usr/bin/readelf | grep NEEDED
 0x0000000000000001 (NEEDED)             Shared library: [libz.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libc.so.6]

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