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Re: [patch] Fix DW_AT_lower_bound DWARF-4+ defaults
On Thu, 26 Apr 2012 17:29:36 +0200, Tom Tromey wrote:
> I looked at the DWARF 3 spec and it says:
>
> If the lower bound value is missing, the value is assumed to be a
> language-dependent default constant. The default lower bound value for C
> or C++ is 0. For Fortran, it is 1.
>
> So it seems wrong to complain here;
All of DWARF 2, 3 and 4 have there also the paragraph:
No other default lower bound values are currently defined.
Which makes the complaint IMNSHO right.
> defaults is informative, not exhaustive, and we should just pick a
> reasonable default and not complain.
Some reasonable default is picked, maybe we could discuss if this fallback
could be improved but I find 0 to be good enough for invalid DWARF input.
Thanks,
Jan