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Re: [IFUNC] PATCH: Add an ifunc attribute
On Sun, Jun 28, 2009 at 9:17 AM, Richard
> On Sun, Jun 28, 2009 at 5:10 PM, H.J. Lu<firstname.lastname@example.org> wrote:
>> Here is a patch to add ifunc attribute, including many testscases
>> in C and C++. ?Any comments?
> +/* Get the function return type inside function body. ?Return a pointer
> + ? to the function for IFUNC function. ?*/
> +static inline tree
> +function_return_type (const_tree decl)
> + ?if (DECL_IS_IFUNC (decl))
> + ? ?return build_pointer_type (TREE_TYPE (decl));
> + ?else
> + ? ?return TREE_TYPE (TREE_TYPE (decl));
> that's just ... gross. ?Instead adjust the function signature properly.
> Which of course makes your proposal not viable at all.
> I think your solution is overdesigned. ?Do you really expect so much
> usage that you need to make it easy to use from C++ (easy as in
> not mangle manually)?
I was told that people do want to use ifunc attribute in C++ class.