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Re: [patch] dwarf display: false (location list) in DWARF-4

From: Jan Kratochvil <jan dot kratochvil at redhat dot com>
To: Jakub Jelinek <jakub at redhat dot com>
Cc: binutils at sourceware dot org
Date: Wed, 27 Jul 2011 18:44:26 +0200
Subject: Re: [patch] dwarf display: false (location list) in DWARF-4
References: <20110727100605.GA17872@host1.jankratochvil.net> <20110727162853.GB27949@sunsite.ms.mff.cuni.cz>

On Wed, 27 Jul 2011 18:28:54 +0200, Jakub Jelinek wrote:
> On Wed, Jul 27, 2011 at 12:06:05PM +0200, Jan Kratochvil wrote:
> > 2011-07-27  Jan Kratochvil  <jan.kratochvil@redhat.com>
> > 
> > 	* dwarf.c (read_and_display_attr_value): Recognize DW_FORM_data4 and
> > 	DW_FORM_data8 as location list pointers only for DWARF < 4.
> 
> Ok for trunk.

Checked in:
	http://sourceware.org/ml/binutils-cvs/2011-07/msg00141.html


> This BTW shows a gcc bug for -gdwarf-3 - the DWARF3 standard
> explicitly disallows DW_FORM_data4 and DW_FORM_data8 from constant class if
> the attribute has also some *ptr class (from the DWARF3 list it seems that
> only DW_AT_data_member_location is affected.

OK, true.  GDB (handle_data_member_location, Tom Tromey) parses it in a GCC
compatible way FYI, always preferring the constant class.


Thanks,
Jan

References:
- [patch] dwarf display: false (location list) in DWARF-4
  - From: Jan Kratochvil
- Re: [patch] dwarf display: false (location list) in DWARF-4
  - From: Jakub Jelinek

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