It is impossible to debug code compiled with dmd

[Robert Clipsham]

On 31/03/10 16:09, Robert Clipsham wrote:
> On 31/03/10 10:41, Eldar Insafutdinov wrote:
>> On Linux dmd outputs faulty debug info.
>
> There are several bugs in the debug info on linux, one of them I've
> fixed (for most cases ie. anything that requires phobos, I'm working on
> the other cases ie. anything that needs funky libraries that use a lot
> of complicated function pointers), and another one you've sent me a
> massive test case for which I'm working down to a manageable size for a
> bug report now (I'd have done it by now, your make file doesn't play
> nicely with my multilib system though ;)). Other than those 2 bugs I
> don't know what else is blocking debug info on linux... I'm becoming
> quite familiar with DWARF/dmd's backend code for DWARF through all this
> debugging, so if I can get these bugs fixed I'd be happy to work on any
> others while I have time.

Having played with the testcase you sent me, it isn't another bug. You 
were using -g instead of -gc, which won't work until debuggers support 
the D extensions to debug info. When using -gc it gives the error as 
reported in bug #3987, so it should work when that is fixed.