Ubuntu – Wii Broadway disassembly with libopcodes

I want to disassemble Wii game executable binaries in C, which use the broadway microprocessor and unfortunately the only disassembler I am aware that I can use is libopcodes.

Documentation about this library is scarce and I’m using this tutorial https://blog.yossarian.net/2019/05/18/Basic-disassembly-with-libopcodes to get a basic disassembler, from which (after reading) I copy pasted the last complete code snippet. I initially used the default binutils version of Ubuntu 20, which worked for the x86 architecture but immediately segfaulted with no output for my architecture of interest (bfd_arch_powerpc and bfd_mach_ppc_750). I now built from source the latest binutils version (2.39.50), which now demands an fprintf_styled argument (I provided a very simple one which vprintfs to stdout). Now I am getting an a floating point exception on buffer_read_memory (?) when disassembling the tutorial’s architecture and a segfault when diassembling mine.

I am not familiar at all with libopcodes and am pretty much blindly following the only tutorial I could find for it on the internet. If anyone could help be up to create a basic powerpc disassembler with libopcodes that disassembles a void* buffer (or at least point me to any resource) it would be greatly appreciated.