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From: Tom Tromey <tromey@redhat.com>
To: "H.J. Lu" <hjl.tools@gmail.com>
Cc: Binutils Development <binutils@sourceware.org>
Subject: Re: [PATCH 3/5] remove deleted BFDs from the archive cache
Date: Fri, 17 Aug 2012 19:03:00 -0000	[thread overview]
Message-ID: <87has1jsca.fsf@fleche.redhat.com> (raw)
In-Reply-To: <CAMe9rOr8dypNX_fYweo6q2iMoZcPbOZt7gKSE4Gs_EhMEDjMHg@mail.gmail.com>	(H. J. Lu's message of "Fri, 17 Aug 2012 10:21:47 -0700")

>>>>> "HJ" == H J Lu <hjl.tools@gmail.com> writes:

HJ>   archive = bfd_openr (argv[1], NULL);
HJ>   for (last = bfd_openr_next_archived_file (archive, NULL);
HJ>        last;
HJ>        last = next)
HJ>     {
HJ>       next = bfd_openr_next_archived_file (archive, last);
HJ>       bfd_close (last);
HJ>     }

HJ> will bfd_close (last) call free (abfd->arelt_data)?

By 'abfd->arelt_data' I guess you mean 'last->arelt_data'.

HJ> If it does, archive bfd will have bad member arelt_data.

How do you figure?

I tried this with my patch in place using my archive-reading program
(the one I stuck in whatever PR it was), running under valgrind.  It
does the above.  I didn't see any issue.  I don't understand how such a
problem could possibly arise.

Tom

  reply	other threads:[~2012-08-17 18:18 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-03 14:55 Tom Tromey
2012-08-03 16:12 ` Alan Modra
2012-08-03 20:56   ` Tom Tromey
2012-08-08 22:47   ` Tom Tromey
2012-08-09 10:35     ` Alan Modra
2012-08-15 20:14       ` H.J. Lu
2012-08-15 21:30         ` Tom Tromey
2012-08-16 14:47           ` Alan Modra
2012-08-16 16:31             ` H.J. Lu
2012-08-16 18:14               ` Tom Tromey
2012-08-16 18:33                 ` H.J. Lu
2012-08-16 18:45                   ` Tom Tromey
2012-08-16 18:49                     ` H.J. Lu
2012-08-16 18:55                       ` Tom Tromey
2012-08-16 20:33                         ` Tom Tromey
2012-08-16 20:38                         ` H.J. Lu
2012-08-16 21:11                 ` H.J. Lu
2012-08-16 21:35                 ` H.J. Lu
2012-08-17  1:01                 ` Alan Modra
2012-08-17  1:06                   ` H.J. Lu
2012-08-17  2:44                     ` Alan Modra
2012-08-17  4:56                       ` Hans-Peter Nilsson
2012-08-17  5:04                         ` Alan Modra
2012-08-17  5:08                         ` H.J. Lu
2012-08-17  5:30                           ` H.J. Lu
2012-08-17  5:42                             ` H.J. Lu
2012-08-17  5:45                               ` H.J. Lu
2012-08-17  6:01                                 ` H.J. Lu
2012-08-17 13:10                                   ` H.J. Lu
2012-08-17 16:50                                     ` Hans-Peter Nilsson
2012-08-17 16:01                           ` Hans-Peter Nilsson
2012-08-17 16:10                             ` H.J. Lu
2012-08-17 16:14                               ` Hans-Peter Nilsson
2012-08-17 16:13                       ` Tom Tromey
2012-08-17 16:26                         ` H.J. Lu
2012-08-17 16:51                           ` Tom Tromey
2012-08-17 17:11                             ` H.J. Lu
2012-08-17 17:22                               ` Tom Tromey
2012-08-17 17:22                                 ` H.J. Lu
2012-08-17 19:03                                   ` Tom Tromey [this message]
2012-08-17 19:13                                     ` H.J. Lu
2012-08-18  4:37                         ` Alan Modra
2012-08-21  9:55                           ` Tom Tromey
2012-08-17  1:17                   ` Alan Modra
2012-08-17 15:36                   ` Tom Tromey
2012-08-17 15:38                     ` H.J. Lu
2012-08-17 15:43                       ` Tom Tromey
2012-08-17  0:48           ` H.J. Lu

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