Linux tools to inspect Windows DLLs

Use "winedump -j export file.dll"
winedump is part of Wine

Homepage:
https://www.winehq.org/docs/winedump

Have you checked if Dependency Walker will work under wine?

http://dependencywalker.com/

(just a WAG)

How to use it on the command line (Run it from the same directory as the DLL):

wine /full/path/to/depends.exe /c /of:output.txt dynamic-library.dll