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From: Jim Blandy <jimb@redhat.com>
To: Richard.Earnshaw@arm.com
Cc: binutils@sources.redhat.com, irickards@arm.com,
	gdb-patches@sources.redhat.com
Subject: Re: PATCH/RFC handle missing DW_AT_comp_dir attribute
Date: Wed, 17 Jul 2002 15:41:00 -0000	[thread overview]
Message-ID: <npd6tmj8l5.fsf@zwingli.cygnus.com> (raw)
In-Reply-To: <200207171047.LAA03162@cam-mail2.cambridge.arm.com>


Richard Earnshaw <rearnsha@arm.com> writes:
> This problem was found by a colleague while using GDB with the ADS tools.
> 
> These tools do not set the DW_AT_comp_dir attribute in a compilation unit 
> entry, so GDB will crash trying to reference a NULL pointer.
> 
> Regardless of whether ADS is correct not to generate this directive (the 
> Dwarf spec appears not to require it to), GDB should not be falling over 
> in this way.  The following patch fixes the problem:
> 
> <date>  Ian Rickards  <irickard@arm.com>
> 
> 	* dwarf2.c (concat_filename): If we can't establish the directory 
> 	just return the filename.

Sorry --- how does this patch fix a GDB crash?  GDB doesn't use BFD to
read debugging information.


  parent reply	other threads:[~2002-07-17 22:25 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-07-17  4:00 Richard Earnshaw
2002-07-17 10:26 ` Alan Modra
2002-07-17 15:41 ` Jim Blandy [this message]
2002-07-18  8:00   ` Richard Earnshaw

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