Comment # 14 on bug 1202431 from Ralf Habacker

I just saw at https://www.prevanders.net/dwarf.html#introduction, that there is
a dwarfdump tool available, which can read PE files
https://www.prevanders.net/dwarf.html#libdwarf-20190104

I did a quick test to see what the differences are compared to the current
solution:

 osc co windows:mingw:win32/mingw32-libvsg && cd $_
 osc build openSUSE_Leap_15.5 

 time find
/home/osc/build-root/openSUSE_Leap_15.5-x86_64/home/abuild/rpmbuild/BUILD/VulkanSceneGraph-1.0.9/
-name '*.dll' | xargs objdump -Wi | /usr/bin/i686-w64-mingw32-objdump-srcfiles
> /dev/null

real    0m15,122s
user    0m23,000s
sys     0m0,723s

Most of the time is spent analyzing the binary file with objdump:

 time find
/home/osc/build-root/openSUSE_Leap_15.5-x86_64/home/abuild/rpmbuild/BUILD/VulkanSceneGraph-1.0.9/
-name '*.dll' | xargs objdump -Wi > /dev/null

real    0m14,426s
user    0m14,234s
sys     0m0,187s

And now the same with dwarfdump, which was built in release mode: 

 time find
/home/osc/build-root/openSUSE_Leap_15.5-x86_64/home/abuild/rpmbuild/BUILD/VulkanSceneGraph-1.0.9/
-name '*.dll' | xargs ../libdwarf-code-build/src/bin/dwarfdump/dwarfdump -i >
/dev/null

real    0m26,076s
user    0m25,212s
sys     0m0,490s

It takes about 1.85 times more time than the current solution.