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Re: [patch] Fix DW_AT_lower_bound DWARF-4+ defaults

From: Tom Tromey <tromey at redhat dot com>
To: Jan Kratochvil <jan dot kratochvil at redhat dot com>
Cc: gdb-patches at sourceware dot org
Date: Thu, 26 Apr 2012 09:43:34 -0600
Subject: Re: [patch] Fix DW_AT_lower_bound DWARF-4+ defaults
References: <20120426150708.GA31687@host2.jankratochvil.net> <87pqau8qan.fsf@fleche.redhat.com> <20120426153753.GA3590@host2.jankratochvil.net>

Jan> All of DWARF 2, 3 and 4 have there also the paragraph:
Jan> 	No other default lower bound values are currently defined.
Jan> Which makes the complaint IMNSHO right.

Crud, I missed that somehow.
I agree.

>> defaults is informative, not exhaustive, and we should just pick a
>> reasonable default and not complain.

Jan> Some reasonable default is picked, maybe we could discuss if this fallback
Jan> could be improved but I find 0 to be good enough for invalid DWARF input.

I think the nicest thing would be to pick the DWARF 4 defaults, and
complain for other versions.

Tom

Follow-Ups:
- Re: [patch] Fix DW_AT_lower_bound DWARF-4+ defaults
  - From: Jan Kratochvil

References:
- [patch] Fix DW_AT_lower_bound DWARF-4+ defaults
  - From: Jan Kratochvil
- Re: [patch] Fix DW_AT_lower_bound DWARF-4+ defaults
  - From: Tom Tromey
- Re: [patch] Fix DW_AT_lower_bound DWARF-4+ defaults
  - From: Jan Kratochvil

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