From: Tom Tromey <tromey@adacore.com>
To: Andrew Burgess <aburgess@redhat.com>
Cc: gdb-patches@sourceware.org, Tom Tromey <tromey@adacore.com>
Subject: Re: [PATCHv2 5/5] gdb: fix reread_symbols when an objfile has target: prefix
Date: Thu, 28 Sep 2023 12:17:23 -0600 [thread overview]
Message-ID: <87il7u2mdo.fsf@tromey.com> (raw)
In-Reply-To: <ade2c1aec5a3ecf8477dd3c11aebe90c4940bc8f.1695909469.git.aburgess@redhat.com> (Andrew Burgess's message of "Thu, 28 Sep 2023 15:00:44 +0100")
Andrew> I didn't 100% understand the issues discussed in that thread, however,
Andrew> I think the problem with the previous thread related to the changes in
Andrew> gdb_bfd.c, rather than to the change in symfile.c. As such, I think
Andrew> this change might be acceptable, my reasoning is:
Andrew> - the objfile::mtime field is set by a call to bfd_get_mtime (see
Andrew> objfiles.c), which calls bfd_stat under the hood. This will end
Andrew> up using the system stat,
Andrew> - In symfile.c we currently call stat directly, which will call the
Andrew> gnulib stat, which, if I understand the above thread correctly,
Andrew> might give a different result to the system stat in some cases,
Andrew> - By switching to using bfd_stat in symfile.c we should now be
Andrew> consistently calling the system stat,
The BFD cache (in gdb_bfd.c) uses fstat, so I think there would still be
a problem here.
Tom
next prev parent reply other threads:[~2023-09-28 18:17 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-27 14:22 [PATCH 0/5] Fix using an exec file with " Andrew Burgess
2023-09-27 14:22 ` [PATCH 1/5] gdb: some additional filename styling Andrew Burgess
2023-09-27 14:22 ` [PATCH 2/5] gdb: use archive name in warning when appropriate Andrew Burgess
2023-09-27 14:22 ` [PATCH 3/5] gdb: remove use of a static buffer for building error strings Andrew Burgess
2023-09-27 14:22 ` [PATCH 4/5] gdb: remove print_sys_errmsg Andrew Burgess
2023-09-28 12:06 ` Andrew Burgess
2023-09-27 14:22 ` [PATCH 5/5] gdb: fix reread_symbols when an objfile has target: prefix Andrew Burgess
2023-09-28 14:00 ` [PATCHv2 0/5] Fix using an exec file with " Andrew Burgess
2023-09-28 14:00 ` [PATCHv2 1/5] gdb: some additional filename styling Andrew Burgess
2023-09-28 14:00 ` [PATCHv2 2/5] gdb: use archive name in warning when appropriate Andrew Burgess
2023-09-28 14:00 ` [PATCHv2 3/5] gdb: remove use of a static buffer for building error strings Andrew Burgess
2023-09-28 14:00 ` [PATCHv2 4/5] gdb: remove print_sys_errmsg Andrew Burgess
2023-09-28 14:00 ` [PATCHv2 5/5] gdb: fix reread_symbols when an objfile has target: prefix Andrew Burgess
2023-09-28 18:17 ` Tom Tromey [this message]
2023-09-29 10:20 ` Andrew Burgess
2023-10-02 14:19 ` Tom Tromey
2023-10-02 16:05 ` Andrew Burgess
2023-10-02 17:00 ` Tom Tromey
2023-10-02 19:13 ` [PATCHv2 0/5] Fix using an exec file with " Tom Tromey
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