From: Pedro Alves <palves@redhat.com>
To: "Marcin Kościelnicki" <koriakin@0x04.net>, gdb-patches@sourceware.org
Subject: Re: [PATCH 0/8] gdb/s390: Add regular and fast tracepoint support.
Date: Mon, 25 Jan 2016 13:56:00 -0000 [thread overview]
Message-ID: <56A6299E.4060706@redhat.com> (raw)
In-Reply-To: <1453637529-26972-1-git-send-email-koriakin@0x04.net>
On 01/24/2016 12:12 PM, Marcin KoÅcielnicki wrote:
> 1. Target independent: tfile format doesn't contain target information
> (tdesc). While this affects all platforms with multiple tdescs
> (eg. x86_64 is unable to pull AVX registers from tfile for that
> reason), it horribly breaks 31-bit s390 with high GPRs - it has
> a completely different GPR layout from plain 31-bit s390, so the
> collected registers will be garbled. I suppose the proper fix to
> that would be to add tdesc information to tfile format.
Yes, I think so too.
> Unfortunately, I don't see a way to extend it in a backwards-compatible way.
The trace file header is just a list of newline-terminated lines.
We're free to add more header lines - older gdb's just warn about
unknown lines. See tfile_interp_line.
Thanks,
Pedro Alves
next prev parent reply other threads:[~2016-01-25 13:56 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-24 12:12 Marcin Kościelnicki
2016-01-24 12:12 ` [PATCH 7/8] gdb.trace: Bump tspeed.exp timeout to 600 seconds Marcin Kościelnicki
2016-01-26 18:17 ` Andreas Arnez
2016-01-29 9:53 ` [PATCH] " Marcin Kościelnicki
2016-02-12 11:20 ` Yao Qi
2016-02-18 18:54 ` Marcin Kościelnicki
2016-01-24 12:12 ` [PATCH 4/8] gdb/s390: Fill gen_return_address hook Marcin Kościelnicki
2016-02-07 14:02 ` Marcin Kościelnicki
2016-02-25 19:23 ` Marcin Kościelnicki
2016-03-04 10:42 ` Marcin Kościelnicki
2016-03-11 11:20 ` Andreas Arnez
2016-03-11 11:35 ` Marcin Kościelnicki
2016-03-11 12:18 ` Andreas Arnez
2016-03-11 12:26 ` Marcin Kościelnicki
2016-03-11 15:31 ` Andreas Arnez
2016-03-11 15:44 ` Pedro Alves
2016-03-11 16:45 ` Andreas Arnez
2016-03-11 17:02 ` Pedro Alves
2016-03-11 18:17 ` Eli Zaretskii
2016-03-11 18:37 ` Pedro Alves
2016-03-11 19:34 ` Eli Zaretskii
2016-03-15 11:11 ` Pedro Alves
2016-03-15 11:23 ` Andreas Arnez
2016-03-15 11:30 ` Pedro Alves
2016-03-11 18:07 ` Eli Zaretskii
2016-03-13 9:53 ` Marcin Kościelnicki
2016-03-14 10:07 ` Andreas Arnez
2016-01-24 12:12 ` [PATCH 2/8] gdb/s390: Fill write_guessed_tracepoint_pc hook Marcin Kościelnicki
2016-01-26 18:12 ` Andreas Arnez
2016-01-26 19:26 ` Marcin Kościelnicki
2016-01-29 18:57 ` Andreas Arnez
2016-02-07 14:00 ` [PATCH 2/8] gdb/s390: Fill supply_pseudo_pc hook Marcin Kościelnicki
2016-01-24 12:12 ` [PATCH 5/8] gdbserver/s390: Switch on tracepoint support Marcin Kościelnicki
2016-02-07 14:04 ` Marcin Kościelnicki
2016-02-22 7:38 ` [PATCH] " Marcin Kościelnicki
2016-03-04 10:39 ` [PATCH v3] " Marcin Kościelnicki
2016-03-15 18:41 ` [PATCH v4] " Marcin Kościelnicki
2016-03-22 9:16 ` Marcin Kościelnicki
2016-03-23 15:25 ` Andreas Arnez
2016-03-24 1:15 ` Marcin Kościelnicki
2016-03-29 18:31 ` Ulrich Weigand
2016-03-29 21:40 ` Marcin Kościelnicki
2016-03-29 21:40 ` [PATCH obv] gdb/NEWS: Add mention of s390*-linux tracepoints Marcin Kościelnicki
2016-03-30 2:49 ` Eli Zaretskii
2016-01-24 12:12 ` [PATCH 8/8] gdbserver/s390: Add support for compiled agent expressions Marcin Kościelnicki
2016-03-04 10:41 ` [PATCH v2] " Marcin Kościelnicki
2016-03-14 16:19 ` Andreas Arnez
2016-01-24 12:12 ` [PATCH 1/8] gdb: Add write_guessed_tracepoint_pc hook to gdbarch Marcin Kościelnicki
2016-01-26 14:58 ` Andreas Arnez
2016-02-07 13:59 ` [PATCH 1/8] gdb: Add supply_pseudo_pc " Marcin Kościelnicki
2016-02-16 18:28 ` Ulrich Weigand
2016-02-16 21:32 ` Marcin Kościelnicki
2016-02-18 10:35 ` [PATCH 1/2] gdb: Add guess_tracepoint_registers " Marcin Kościelnicki
2016-02-18 10:35 ` [PATCH 2/2] gdb/s390: Fill guess_tracepoint_registers hook Marcin Kościelnicki
2016-02-18 16:03 ` Ulrich Weigand
2016-02-18 16:36 ` [PATCH] " Marcin Kościelnicki
2016-02-18 16:48 ` Ulrich Weigand
2016-02-18 16:58 ` Marcin Kościelnicki
2016-02-18 11:38 ` [PATCH 1/2] gdb: Add guess_tracepoint_registers hook to gdbarch Luis Machado
2016-02-18 11:39 ` Marcin Kościelnicki
2016-02-18 11:45 ` [PATCH] " Marcin Kościelnicki
2016-02-18 15:40 ` Ulrich Weigand
2016-02-18 15:41 ` Marcin Kościelnicki
2016-02-18 15:58 ` Ulrich Weigand
2016-02-18 16:01 ` Marcin Kościelnicki
2016-02-18 16:06 ` Ulrich Weigand
2016-02-18 16:11 ` Marcin Kościelnicki
2016-02-18 16:13 ` Ulrich Weigand
2016-02-18 16:22 ` Marcin Kościelnicki
2016-01-24 12:12 ` [PATCH 3/8] gdb/s390: Fill pseudo register agent expression hooks Marcin Kościelnicki
2016-02-07 14:01 ` Marcin Kościelnicki
2016-02-25 19:23 ` Marcin Kościelnicki
2016-03-04 10:42 ` Marcin Kościelnicki
2016-03-11 2:20 ` Marcin Kościelnicki
2016-03-11 9:58 ` Andreas Arnez
2016-03-11 10:04 ` Marcin Kościelnicki
2016-01-24 12:13 ` [PATCH 6/8] gdbserver/s390: Add fast tracepoint support Marcin Kościelnicki
2016-01-25 14:34 ` Antoine Tremblay
2016-02-19 13:41 ` Marcin Kościelnicki
2016-02-19 14:41 ` Antoine Tremblay
2016-03-04 10:40 ` [PATCH v2] " Marcin Kościelnicki
2016-03-14 16:19 ` Andreas Arnez
2016-03-14 16:25 ` Marcin Kościelnicki
2016-01-25 13:27 ` [PATCH 0/8] gdb/s390: Add regular and " Antoine Tremblay
2016-01-25 13:56 ` Pedro Alves [this message]
2016-01-25 14:28 ` Marcin Kościelnicki
2016-01-25 15:57 ` Pedro Alves
2016-01-25 16:03 ` Marcin Kościelnicki
2016-02-12 11:04 ` Marcin Kościelnicki
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