[ros-dev] Re:[ros-svn] [ion] 12748: Fix incorrect LPC Object export...we export pointers not the object itself! Also remove

[ea at iol.it]

> > I think that Alex's changes are correct. If Alex's changes are wrong, 
> > all other type object initialisations are also wrong. There is only 
> > one little bug, the EXPORTED/IMPORTED definition is missing.
> 
> Hmm, you might be right...
> 
> POBJECT_TYPE _LpcPortObjectType; /* <- Debug symbols */
> extern NTOSAPI POBJECT_TYPE LpcPortObjectType; /* <- W32API headers */
> 
> POBJECT_TYPE _IoFileObjectType; /* <- Debug symbols */
> extern POBJECT_TYPE *IoFileObjectType; /* <- Official DDK headers */
> extern NTOSAPI POBJECT_TYPE IoFileObjectType; /* <- W32API headers */
> 

DATA symbols are pointers to outside referers. When you lookup IoFileObjectType
in the .edata section you get the RVA, that is a (sort of) base address of
OBJECT_TYPE, i.e. a POBJECT_TYPE.

Emanuele



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