From: Pedro Alves <pedro@palves.net>
To: Tom Tromey <tom@tromey.com>
Cc: gdb-patches@sourceware.org
Subject: Re: [PATCH 10/12] gdb_target_is_remote -> gdb_protocol_is_remote
Date: Tue, 23 Apr 2024 13:30:45 +0100 [thread overview]
Message-ID: <13a1488a-67e9-4f58-a9a1-8a78dbc4108c@palves.net> (raw)
In-Reply-To: <87a5lpw58p.fsf@tromey.com>
Hi!
On 2024-04-19 19:56, Tom Tromey wrote:
>>>>>> "Pedro" == Pedro Alves <pedro@palves.net> writes:
>
> Pedro> This is similar to the previous patch, but for gdb_protocol_is_remote.
> Pedro> gdb_is_target_remote and its MI cousin mi_is_target_remote, use "maint
> Pedro> print target-stack", which is unnecessary when checking whether
> Pedro> gdb_protocol is "remote" or "extended-remote" would do. Checking
> Pedro> gdb_protocol is more efficient, and can be done before starting GDB
> Pedro> and running to main, unlike gdb_is_target_remote/mi_is_target_remote.
>
> Pedro> This adds a new gdb_protocol_is_remote procedure, and uses it in place
> Pedro> of gdb_is_target_remote/mi_is_target_remote throughout.
>
> Pedro> There are no uses of gdb_is_target_remote/mi_is_target_remote left
> Pedro> after this. Those will be eliminated in a following patch.
>
> Pedro> In some spots, we no longer need to defer the check until after
> Pedro> starting GDB, so the patch adjusts accordingly.
>
> Makes sense to me, I have a question though.
>
> Pedro> +# Check if we are talking to a remote target. If so, bail out, as
> Pedro> +# right now remote targets can't communicate vector length (vl or svl)
> Pedro> +# changes to gdb via the RSP. When this restriction is lifted, we can
> Pedro> +# remove this guard.
> Pedro> +if {[gdb_protocol_is_remote]} {
> Pedro> + unsupported "aarch64 sve/sme tests not supported for remote targets"
> Pedro> + return -1
> Pedro> +}
>
> Seems like this spot could just use "require !gdb_protocol_is_remote" --
> any reason why you didn't do this?
Really no reason. I've done that now locally, in the three spots I could do it.
I also simplified the comment, as most of it is obvious/redundant:
+# Remote targets can't communicate vector length (vl or svl) changes
+# to GDB via the RSP.
+require !gdb_protocol_is_remote
next prev parent reply other threads:[~2024-04-23 12:30 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-19 15:13 [PATCH 00/12] Fix attach/run failure handling - gdbserver & Windows, document "E.MESSAGE" RSP errors, more Pedro Alves
2024-04-19 15:13 ` [PATCH 01/12] Document conventions for describing packet syntax Pedro Alves
2024-04-19 15:25 ` Eli Zaretskii
2024-04-19 15:42 ` Eli Zaretskii
2024-04-22 19:10 ` Pedro Alves
2024-04-22 19:01 ` Pedro Alves
2024-04-22 19:44 ` Eli Zaretskii
2024-04-19 15:13 ` [PATCH 02/12] Centralize documentation of error and empty RSP responses Pedro Alves
2024-04-19 15:36 ` Eli Zaretskii
2024-04-19 15:42 ` Eli Zaretskii
2024-04-22 19:00 ` Pedro Alves
2024-04-22 19:42 ` Eli Zaretskii
2024-04-19 15:13 ` [PATCH 03/12] Document "E.MESSAGE" RSP errors Pedro Alves
2024-04-19 15:37 ` Eli Zaretskii
2024-04-22 8:50 ` Andrew Burgess
2024-04-22 19:04 ` Pedro Alves
2024-04-26 19:02 ` Pedro Alves
2024-04-26 19:18 ` Eli Zaretskii
2024-04-29 13:42 ` Andrew Burgess
2024-04-19 15:13 ` [PATCH 04/12] Windows: Fix run/attach hang after bad run/attach Pedro Alves
2024-04-19 18:35 ` Tom Tromey
2024-04-19 15:13 ` [PATCH 05/12] Fix "run" failure handling with GDBserver Pedro Alves
2024-04-19 18:41 ` Tom Tromey
2024-04-19 15:13 ` [PATCH 06/12] Improve vRun error reporting Pedro Alves
2024-04-19 18:43 ` Tom Tromey
2024-04-22 11:32 ` Alexandra Petlanova Hajkova
2024-04-19 15:13 ` [PATCH 07/12] Fix "attach" failure handling with GDBserver Pedro Alves
2024-04-19 18:47 ` Tom Tromey
2024-04-19 15:13 ` [PATCH 08/12] gdbserver: Fix vAttach response when attaching is not supported Pedro Alves
2024-04-19 18:48 ` Tom Tromey
2024-04-19 15:13 ` [PATCH 09/12] gdb_target_is_native -> gdb_protocol_is_native Pedro Alves
2024-04-19 18:50 ` Tom Tromey
2024-05-09 8:47 ` Bernd Edlinger
2024-05-09 9:47 ` Pedro Alves
2024-05-09 11:54 ` Bernd Edlinger
2024-05-09 12:05 ` Pedro Alves
2024-05-09 13:19 ` Bernd Edlinger
2024-05-09 13:31 ` Pedro Alves
2024-05-09 15:01 ` Bernd Edlinger
2024-05-09 15:49 ` Pedro Alves
2024-05-09 18:44 ` Bernd Edlinger
2024-05-10 10:52 ` [pushed] gdb sim testing, set gdb_protocol to "sim" Pedro Alves
2024-04-22 8:25 ` [PATCH 09/12] gdb_target_is_native -> gdb_protocol_is_native Aktemur, Tankut Baris
2024-04-23 12:33 ` Pedro Alves
2024-04-19 15:13 ` [PATCH 10/12] gdb_target_is_remote -> gdb_protocol_is_remote Pedro Alves
2024-04-19 18:56 ` Tom Tromey
2024-04-23 12:30 ` Pedro Alves [this message]
2024-04-22 8:30 ` Aktemur, Tankut Baris
2024-04-23 12:47 ` Pedro Alves
2024-04-24 13:48 ` Aktemur, Tankut Baris
2024-04-19 15:13 ` [PATCH 11/12] Eliminate gdb_is_target_remote / gdb_is_target_native & friends Pedro Alves
2024-04-19 18:57 ` Tom Tromey
2024-04-19 15:13 ` [PATCH 12/12] Fix gdb.base/attach.exp --pid test skipping on native-extended-gdbserver Pedro Alves
2024-04-19 18:59 ` Tom Tromey
2024-04-26 20:25 ` [PATCH 00/12] Fix attach/run failure handling - gdbserver & Windows, document "E.MESSAGE" RSP errors, more Pedro Alves
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