[Mono-dev] Issues with StructureToPtr- and PtrToStructure-wrapper building

Martin Däumler mdae at cs.tu-chemnitz.de
Tue Feb 8 09:30:33 EST 2011

On 08.02.11 11:31, Robert Jordan wrote:
> On 08.02.2011 10:51, Martin Däumler wrote:
> [...]
>> So, my question is: Which classes and structs allow the generation
>> of StructureToPtr- and PtrToStructure-wrappers at all and how to
>> determine these?
> You may want to check the MonoClass.blittable field before
> compiling a wrapper for a given type, but I'm sure it's enough.

Hello Robert,

thank you for that answer! The wrappers can be generated for some 
classes where the blittable field is not set, e.g.,
'System.ExecutionEngineException'. However, Mono seems to have
a problem with class members that are arrays and have an unknown
size. Please look at the appended test case. Mono (2.8.2 and 2.6.1
on x86/Linux, 2.8 on MacOS X) receives a SIGABRT and terminates
while .NET on Win7 works fine.

With kind regards,
Martin Däumler
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