[Mono-dev] Error building mono on x86 (Mono-devel-list Digest, Vol 118, Issue 21)

[Jo Shields]

On 18/02/15 13:09, Rafael Mueller - Inventti wrote:
> Currently the .so is in the same directory as the application, and the main application is marked as x86.
>
>
> running: MONO_LOG_LEVEL=debug ../MONO312/bin/mono SimuladorPDV.exe
>
> I got:
>
> Mono: DllImport error loading library '/home/mueller/simulador/libnfcepack_agente.so': '/home/mueller/simulador/libnfcepack_agente.so: wrong ELF class: ELFCLASS32'.
>
>
> I'm also able to run others x86 applications on this mono installation, but those app's doesn't [DllImport] and p/invoke other's .so
>
>
> Can you confirm that mono is should work with this setup?

No. amd64 Mono can only JIT amd64 code and only P/Invoke amd64
libraries. Mono ignores the architecture flag on assemblies, and always
uses the JITter it was built against. You can never load an i386 .so
with amd64 Mono.