GDB - lets make D support awesome

[Iain Buclaw]

On 27 November 2013 23:15, Brad Roberts <braddr at puremagic.com> wrote:
> On 11/27/13 1:56 PM, Iain Buclaw wrote:
>>
>> On 27 November 2013 20:17, Jerry <jlquinn at optonline.net> wrote:
>>>
>>> "Iain Buclaw" <ibuclaw at ubuntu.com> writes:
>>>
>>>> Hi,
>>>>
>>>> I've created a gdb fork on github and will be giving d-lang support some
>>>> love
>>>> - with the intention of pushing patches back to gdb development as soon
>>>> as
>>>> possible.  The bulk of the work will be done over the next fortnight,
>>>> but for
>>>> some other work (see buglink) will take a couple more months to roll out
>>>> as
>>>> changes on both gdb and compilers need to be aligned up.
>>>>
>>>> https://d.puremagic.com/issues/show_bug.cgi?id=9800
>>>>
>>>>
>>>> If anybody is interesting in helping out.  Would be great to get people
>>>> developing, testing, and sending suggestions for features/fixes on it.
>>>> Especially users of dmd/ldc to jump on board to ensure that changes done
>>>> don't
>>>> break the existing support that you may have.
>>>
>>>
>>> Hi Ian,  Here's a first bug.
>>>
>>>   I'm on Ubuntu 12.10 x86_64.  Debugging isn't stepping through the code.
>>> Here's a simple example.  This is with dmd 2.064.2 and a fresh clone of
>>> your git repo.
>>>
>>> junk2.d:
>>> import std.stdio;
>>>
>>> void main(string args[]) {
>>>      string ss = "hi there";
>>>      writeln(ss);
>>> }
>>>
>>
>> Hi Jerry,
>>
>> I believe dmd is only compatible with gdb 7.5.  Likewise gdc-4.7 is
>> compatible with 7.5, but not 7.6 (you should use gdc-4.8 or the
>> development branch if you want gdb to work properly).
>>
>> For dmd, someone needs to fix dmd to work with gdb-7.6.
>>
>
> This level of if this then thating with versions is pretty painful.  It's
> something we've got to get past somehow (yeah, there's a chicken/egg issue).
> It's this sort of area where things don't "just work" that puts off
> developers.

Actually, I might have got it backwards.  :o)

gdc-4.8 is not compatible with gdb-7.5, but gdb-7.6 should be
backwards compatible, knock on wood.


Jerry - have you tested debugging with -gc ?