G++ ABI compatibility document

[llewelly@xmission.com]

Shelly Adhikari <shelly@interrasystems.com> writes:

> Hello Guys,
> 
> I am trying to come up with an ABI compatibility document for
> different versions of GCC - starting from 3.0. Can anyone point out
> relevant bug reports/items in release notes. I also want to document
> ABI bugs which were fixed - which would cause incompatibilty among
> different versions of GCC for corner cases. The document would contain
> examples of the corner cases as well.
> 
> Made up example : 3.2.0 -> 3.2.1 C++ ABI changed for i686 for function
> pointers which take complex as arguments.
> 
> Is there a document already available somewhere?

I don't think so, but you can find much of what you need from
    gcc.gnu.org/releases.html .

For each release, see the changes list, and search for 'ABI'. Note
    you'll get some hits on the back-end ABIs, which are not
    necessarily the same thing.