Discussion on D support in gdb

[Walter Bright]

On 11/22/2011 7:19 AM, Martin Nowak wrote:
> - Can we slowly start to acquire DWARF-3/4?

Dwarf 2 is good enough, so why do 3/4?

> - Why were extensions chosen over say representing an array as two field struct?

Because it is presumably harder to get a debugger to recognize a magic struct 
than explicitly give it a type.

> - There is this request by Robert Clipsham
> http://dwarfstd.org/ShowIssue.php?issue=100504.1.
> What's the state of this, it wouldn't be needed any longer.
>
> - We should contact http://www.zero-bugs.com, it is said to support the
> dwarf extensions and would need to be changed.
>
> - Find out who else is affected by changing the current extensions.
>
> - Fixing the D-ABI specification.

Are the issues in bugzilla?

> - Are there other DWARF debuggers that we should take into account?
>
> - Adding a page to GNU wiki describing the D extensions.
>
> - We could probably use DW_TAG_GNU_template_parameter_pack for variadic template
> arguments.
> http://wiki.dwarfstd.org/index.php?title=C%2B%2B0x:_Variadic_templates
>
> martin