How Can I List and Identify the Origin of Symbols in a .so File?

How to Identify the Symbols Within a .so File

Question: How can I enumerate the symbols exported from a shared object file (.so) and determine their origin, specifically discerning if they originate from a static library?

Answer:

The standard utility for symbol listing is nm. Utilize it as follows:

nm -gD yourLib.so

For C libraries, incorporate the "-C" option to demangle symbols, enhancing readability.

nm -gDC yourLib.so

In cases where the .so file is in elf format, two options are available:

Using objdump:

objdump -TC libz.so

Using readelf:

readelf -Ws libz.so

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