[Mono-dev] Compilation problems with embedded ARM9

Zoltan Varga vargaz at gmail.com
Wed Oct 29 06:59:49 EDT 2008


Hi,

  This exception usually indicates a floating point problem. Did you
define ARM_FPU_NONE
at beginning of mini-arm.h ? Also what mono version is this ?

              Zoltan

On Wed, Oct 29, 2008 at 11:09 AM, Bart Veldstra <bart.veldstra at nedap.com> wrote:
> Hello,
>
> For my work I am trying to compile Mono for two embedded solutions, both
> equipped with ARM processors. Sadly, I am running into problems getting
> Mono to run properly. Until now I could solve them myself, but the
> latest error message had me stumped.
>
> First the error-message itself. It occurs with every single mono-app I
> run, ranging from hello-world to mcs:
>
> Unhandled Exception: System.TypeInitializationException: An exception
> was thrown by the type initializer for
> System.Runtime.Remoting.Contexts.Context ---> System.ArgumentException:
> Size is too big
>  at System.Collections.Hashtable..ctor (Int32 capacity, Single
> loadFactor, IHashCodeProvider hcp, IComparer comparer) [0x00000]
>  at System.Collections.Hashtable..ctor (Int32 capacity, Single
> loadFactor) [0x00000]
>  at System.Collections.Hashtable..ctor () [0x00000]
>  at System.Runtime.Remoting.Contexts.Context..cctor () [0x00000]
>  --- End of inner exception stack trace ---
>
> Because the tested programs run fine on the other embedded board as well
> as my own workstation, I suspect I am making an error with cross
> compiling.
>
> I have compiled Mono as followed:
>
> ./configure \
>        --disable-mcs-build \
>        --enable-minimal=profiler,debug,com,large_code \
>        --host=arm-softfloat-linux-gnu \
>        --with-tls=pthread \
>        --with-sigaltstack=no
>
> I had to make three alterations:
> - force the symbol underscore setting by modifying ./configure
> - set MONO_SIZEOF_SUNPATH to 108 (as found in linux/un.h) in config.h.
> - force the absence of a FPU by modifying mini-arm.h to define
> ARM_FPU_NONE
>
> Concerning the exception itself, my only guess is that my processor
> cannot manage Int32-datatypes. The processor itself is an ARM9
> AT91RM9200.
>
> Can you help me out?
>
> Greetings,
>
> Bart
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