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From: Thiago Jung Bauermann <thiago.bauermann@linaro.org>
To: <Ezra.Sitorus@arm.com>
Cc: <gdb-patches@sourceware.org>,  <luis.machado.foss@gmail.com>
Subject: Re: [PATCH 2/4] gdb/aarch64: Test record/replay support for CSSC
Date: Sat, 25 Apr 2026 03:10:10 -0300	[thread overview]
Message-ID: <87fr4jbmf1.fsf@linaro.org> (raw)
In-Reply-To: <20260420215232.68675-3-Ezra.Sitorus@arm.com> (Ezra Sitorus's message of "Mon, 20 Apr 2026 22:52:30 +0100")

<Ezra.Sitorus@arm.com> writes:

> From: Ezra Sitorus <ezra.sitorus@arm.com>
>
> This patch checks that the handling of CSSC instructions is correct.
> There is no explicit support for handling these instructions which is
> why this patch is composed of tests.
>
> Regression tested on aarch64-none-linux-gnu on QEMU with CSSC support.
> I observe unrelated regressions that appear to be environmental rather
> than caused by this patch.
> ---
>  gdb/testsuite/gdb.reverse/aarch64-cssc.c   | 113 +++++++++++++++++
>  gdb/testsuite/gdb.reverse/aarch64-cssc.exp | 141 +++++++++++++++++++++
>  gdb/testsuite/lib/gdb.exp                  |  52 ++++++++
>  3 files changed, 306 insertions(+)
>  create mode 100644 gdb/testsuite/gdb.reverse/aarch64-cssc.c
>  create mode 100644 gdb/testsuite/gdb.reverse/aarch64-cssc.exp

Following the decoding of CSSC instructions in
aarch64_record_data_proc_imm and aarch64_record_load_store made me
realize how clever the AArch64 instruction encoding is. :)

For this patch I only have the same comments I had about the testcase in
patch 1: the copyright year, the formatting of the if condition block
and the top-level return statements.

-- 
Thiago

  parent reply	other threads:[~2026-04-25  6:10 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-20 21:52 [PATCH 0/4] gdb/aarch64: record/replay support for AArch64 Ezra.Sitorus
2026-04-20 21:52 ` [PATCH 1/4] gdb/aarch64: record/replay support for LRCPC3 Ezra.Sitorus
2026-04-24  7:00   ` Luis
2026-04-24 15:09   ` Guinevere Larsen
2026-04-25  5:08   ` Thiago Jung Bauermann
2026-04-25  7:21   ` Thiago Jung Bauermann
2026-04-20 21:52 ` [PATCH 2/4] gdb/aarch64: Test record/replay support for CSSC Ezra.Sitorus
2026-04-24  7:07   ` Luis
2026-04-24 16:53   ` Guinevere Larsen
2026-04-25  6:10   ` Thiago Jung Bauermann [this message]
2026-04-25  7:28   ` Thiago Jung Bauermann
2026-04-20 21:52 ` [PATCH 3/4] gdb/aarch64: record/replay support for RPRFM and PRFM (reg) Ezra.Sitorus
2026-04-24  7:08   ` Luis
2026-04-24 16:56   ` Guinevere Larsen
2026-04-25  8:12   ` Thiago Jung Bauermann
2026-04-20 21:52 ` [PATCH 4/4] gdb/aarch64: record/replay support for LSE128 Ezra.Sitorus
2026-04-24  7:11   ` Luis
2026-04-24 17:12   ` Guinevere Larsen
2026-04-25  8:38   ` Thiago Jung Bauermann
2026-04-23 17:31 ` [PATCH 0/4] gdb/aarch64: record/replay support for AArch64 Guinevere Larsen
2026-04-23 22:20   ` Ezra Sitorus
2026-04-24  5:33   ` Thiago Jung Bauermann
2026-04-24  7:16 ` Luis

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