Tom> The usual approach is some appropriate text somewhere on the GCC wiki Tom> (though I suppose a note in the mail archives would do in a pinch) Tom> along with a URL in a comment in the appropriate file (dwarf2.h or Tom> dwarf2.def).
Tom> Could you please do that? Julian> How's this, as a first attempt? Julian> http://gcc.gnu.org/wiki/GNUDwarfExtensions Sorry I didn't reply to this sooner. That page looks great. Thanks for doing this. Tom