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From: Tristan Gingold <gingold@adacore.com>
To: Pedro Alves <pedro@codesourcery.com>
Cc: gdb-patches@sourceware.org,  Joel Brobecker <brobecker@adacore.com>
Subject: Re: [RFA/commit] Check library name rather than member name when rereading symbols.
Date: Wed, 21 Apr 2010 15:43:00 -0000	[thread overview]
Message-ID: <08697AC4-EB29-4F1B-BF7F-86EF17945F92@adacore.com> (raw)
In-Reply-To: <201004211640.21421.pedro@codesourcery.com>


On Apr 21, 2010, at 5:40 PM, Pedro Alves wrote:

> On Wednesday 21 April 2010 16:18:03, Joel Brobecker wrote:
>> Hello,
>> 
>> On Darwin, we have lots of complaints being emitted when restarting
>> a program:
>> 
>>    (gdb) start
>>    `a-except.o' has disappeared; keeping its symbols.
>>    `unwind-dw2.o' has disappeared; keeping its symbols.
>>    `s-except.o' has disappeared; keeping its symbols.
>>    `s-traceb.o' has disappeared; keeping its symbols.
>> 
>> These object files are part of the GNAT runtime, and were never available.
>> The warning comes from the fact that we're checking whether the .o files
>> in the GNAT shared runtime have changed whereas we should be checking
>> whether the GNAT shared library itself has changed.
>> 
>> This patch implements this.  Although it is really only useful on a platform
>> such as Darwin (debug info stored in .o files), we believe that this is
>> the right thing to do in general.  This change should be a noop for all
>> the other platforms in any case.
> 
> Makes sense to me.  And it's wonderful to get rid of another
> #ifdef DEPRECATED_IBM6000_TARGET instance.  Though, isn't the
> comment's mention of "shared" a bit misleading?  Isn't this about static
> libraries / archives?  Does this really also apply to shared
> libraries?

For darwin, this applies only to static libraries.  For AIX, I don't know :-)

Tristan.


  reply	other threads:[~2010-04-21 15:43 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-21 15:18 Joel Brobecker
2010-04-21 15:40 ` Pedro Alves
2010-04-21 15:43   ` Tristan Gingold [this message]
2010-04-21 15:58     ` Pedro Alves
2010-04-21 16:12       ` Joel Brobecker
2010-04-27 21:06         ` Joel Brobecker

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