[dbghelp] continue dwarf support:try 2

[Raphael]

Hi,

On Monday 10 October 2005 09:06, Raphael wrote:
> Changelog:
> - begin of dwarf debug lines parsing
> - better robustness
> - support of unamed syms
> - better traces
>
> TODO:
> - find a clean way to handle forward declarations
> - debug lines parsing

as Eric wanted: without type.c modification
I'll try to improve it for next patch

Regards,
Raphael