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Re: DW_AT_containing_type
On Thu, 12 Jun 2003 14:07:14 -0400, Daniel Jacobowitz <drow@mvista.com> said:
> On Thu, Jun 12, 2003 at 10:56:50AM -0700, David Carlton wrote:
>> What's with GDB's and GCC's use of DW_AT_containing type? As far as I
>> can tell, it's only supposed to be used within
>> DW_TAG_ptr_to_member_type, but GCC generates it and GDB uses it in
>> many other contexts.
> We are misusing it. See the GCC source for a comment explaining
> this GNU extension. We use it to indicate which base type contains
> the vtable pointer for the derived class; there are a number of
> other ways to do it, and at one point we should switch to another
> way.
Ah, thanks for the explanation.
David Carlton
carlton@math.stanford.edu