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Re: [PATCH 3/5] Add d_main_name to dlang.c


On 9 January 2014 18:18, Tom Tromey <tromey@redhat.com> wrote:
>>>>>> "Iain" == Iain Buclaw <ibuclaw@gdcproject.org> writes:
>
> Iain> The main program in D is _Dmain (demangled as 'D main') not C 'main'.
> Iain> So the logical entry point of the program should be set accordingly.
>
> Iain> 2014-01-09  Iain Buclaw  <ibuclaw@gdcproject.org>
>
> Iain>         * d-lang.h (d_main_name): Add declaration.
> Iain>         * d-lang.c (d_main_name): New function.
> Iain>         * symtab.c (find_main_name): Add call to d_main_name.
>
> This is ok.
>
> Iain> +static const char D_MAIN[] = "D main";
>
> If D symbols routinely demangle to have spaces in them, then I think
> your users may be in for some difficulties using gdb.  Right now I think
> linespecs have some hacks to let this work for C++, but I'm not sure how
> readily they could be extended to the above.
>
> If it is just the one symbol, then no big deal, there is quoting.
>

It's just the one symbol.  'D main' is the demangled name, _Dmain is
the mangled.  Either one works perfectly well with `start`, and when
using cgdb, it sets the start line in the correct place.


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