>> is there a way to use function attributes on function pointers? >> >> my program uses a function table for a plugin interface, which includes a >> function to allocate memory: >> >> void* (*myAlloc)(Host * myHost, size_t size); >> >> is it possible to use the malloc attribute for this to help the optimizer? i >> was trying something like: >> void* __attribute__ ((malloc))(*myAlloc)(Host * myHost, size_t size); >> >> ... but the attribute will be ignored ... > > In general, you can use function attributes on function pointers like > this: > > void * (* __attribute__ ((malloc)) my_malloc) (size_t) = malloc; > > Unfortunately, this is only supported for some attributes. It will only > work if the attribute can be attached to a function type rather than to > a specific function declaration. The malloc attribute is not > implemented in that way, so this does not work for the malloc attribute. i see ... > I don't think it would be very difficult to implement this if you are > interested in trying. ... i am not really familiar with the gcc codebase, so i wouldn't know where to start looking (unless you can give me a quick overview about the parts that is should touch) thanks, tim
