[Mono-osx] assertion failed in mini-ppc.c at line 1676
gharen1234 at hotmail.com
Mon Jun 5 01:08:01 EDT 2006
Through a TON of trial and error, I found the problem.
My Matrix struct has 16 floats, and it's constructor takes 16 floats to
initialise them. This exception was thrown when the constructor was called
while initialising a static Matrix4 member of GLRenderSystem.
I've determined that the maximum allowable parameters for a constructor with
mac os x is 13. I don't know if this applies to methods as well, or just
constructors. I also didn't determine whether this occurres with classes as
well as structs.
Hopefully this is a bug and not an intended feature.
>From: "Jason Bell" <gharen1234 at hotmail.com>
>To: mono-osx at lists.ximian.com
>Subject: [Mono-osx] assertion failed in mini-ppc.c at line 1676
>Date: Sun, 28 May 2006 21:53:36 -0700
>I'm running mono 1.1.15 on Mac OS X 10.3.9
>The following scenario does not occur in windows or linux. This
>application runs beautifully on those platforms. I'm using the gmcs
>I'm attempting to port my graphics engine to mac os x
>The main Facilis library contains an abstract class that describes the
>interface for a render system (originally enough called RenderSystem).
>In another library is an OpenGL implementation of the render system
>(GLRenderSystem), inherited from RenderSystem.
>As I said the application executes fine in windows and linux, but in mac os
>x it throws the following exception, then quits. This error occurres both
>when building the binaries with gmcs in osx, and when copying over binaries
>build with visual studio 2005 in windows xp.
>** ERROR **: file mini-ppc.c: line 1676 (get_float_register_spilling):
>assertion failed: (regmask)
>At first I figured it was an error involving SDL, as SDL tends not to play
>nice with non-c languages on mac os x. So I removed all references to SDL
>and tried creating a simple console application that creates an instance of
>GLRenderSystem, then exits. Even though GLRenderSystem's constructor is
>empty it still throws this exception. Absolutely no operations involving
>SDL, OpenGL, or any other 3rd party library have been performed before or
>when this exception is thrown.
>I commented out all the existing code in the applications main function,
>and inserted a simple Console.WriteLine("Hello world"); Even though the
>application should simply output "Hello world" to the console and exit, the
>exception is still thrown.
>So mac os x mono is apparently having some sort of trouble loading or using
>my libraries. Hopefully this is enough for someone to point me in the
>right direction. I'd love to have posted code as well, but there's huge
>amounts, and based on this error message I have no idea knowing precisely
>where the problem is in my code.
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