C++ function mangling Linux GCC

[Nicholas Wilson]

On Thursday, 18 January 2018 at 04:16:18 UTC, Laeeth Isharc wrote:
> Am I missing something, or should extern(C++) just work for 
> binding to gcc C++ on Linux.  It works fine for primitives but 
> fails for pointer type arguments.  Extern "C" works fine.
>
> Does D know how to mangle function names based on pointer 
> types? I have created matching types on both sides.
>
> Though I am using typedefs.  Eg struct Foo_; typedef struct 
> Foo_ Foo; and on D side struct Foo {}
>
> Could that be why?
>

Yes. C++'s typedefs and using are just like D's alias. The 
underlying type is used in the mangling.

> What the best way to see the types of library file function 
> arguments for a libfoo.a file on Linux?   Sorry for the dumb 
> question.
>

nm libfoo.a | c++filt ?
or https://demangler.com