GCC 3.x and -fvtable-thunks

[Nathan Sidwell]

John Daniels wrote:
> Hi,
> 
> It appears GCC 3.x no longer supports the
> -fvtable-thunks option. Is gcc 3.x using thunks by
> default for its vtable format? Also, can the
> _G_USING_THUNKS macro no longer used to determine if
> thunks are being used?

the updated C++ ABI always uses thunks. http://www.codesourcery.com/cxx-abi/

There is no _G_USING_THUNKS macro (any more).

nathan

-- 
Nathan Sidwell    ::   http://www.codesourcery.com   ::     CodeSourcery LLC
nathan@codesourcery.com    ::     http://www.planetfall.pwp.blueyonder.co.uk