This is the mail archive of the binutils@sourceware.org mailing list for the binutils project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: DWARF v4 .debug_line and .debug_frame formats

From: Roland McGrath <roland at redhat dot com>
To: Jakub Jelinek <jakub at redhat dot com>
Cc: gcc at gcc dot gnu dot org, binutils at sourceware dot org
Date: Fri, 18 Jun 2010 02:30:18 -0700 (PDT)
Subject: Re: DWARF v4 .debug_line and .debug_frame formats
References: <20100617000629.3C133403D2@magilla.sf.frob.com> <20100618084752.GM26878@sunsite.ms.mff.cuni.cz>

> I'd say we should switch to version 4 only when we need the new fields
> (i.e. if ia64 or other VLIW starts using the new VLIW .debug_line features,
> let it use version 4, but for other targets 3 would be good enough).
> Similarly for .debug_frame.

I agree that makes sense.  The .debug_info v4 format is superior in the
smallness of some of its encodings like DW_FORM_flag_present, so it is
worth always using that format when it's enabled.  The others don't provide
any benefit by themselves.


Thanks,
Roland

References:
- DWARF v4 .debug_line and .debug_frame formats
  - From: Roland McGrath
- Re: DWARF v4 .debug_line and .debug_frame formats
  - From: Jakub Jelinek

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]