From: Tom Tromey <tom@tromey.com>
To: <Ezra.Sitorus@arm.com>
Cc: <gdb-patches@sourceware.org>, <luis.machado.foss@gmail.com>,
<pedro@palves.net>
Subject: Re: [RFC PATCH] gdb/py: Add pretty printer for __mfp8 for aarch64
Date: Tue, 18 Nov 2025 11:42:07 -0700 [thread overview]
Message-ID: <874iqrrxmo.fsf@tromey.com> (raw)
In-Reply-To: <20251118141457.83739-1-Ezra.Sitorus@arm.com> (Ezra Sitorus's message of "Tue, 18 Nov 2025 14:14:57 +0000")
>>>>> <Ezra.Sitorus@arm.com> writes:
> __mfp8/mfloat8_t is encoded as unsigned int in DWARF so we are unable to
> print out variables of this type properly.
Can the compiler be fixed to emit correct DWARF instead? That seems
like it would be a lot better, and in keeping with the purpose of DWARF.
> +class aarch64_mfp8_printer(gdb.ValuePrinter):
> + # Print aarch64 mfp8 formats
> +
...
> + def convert_to_float(self, s, e, m, m_bits, bias):
Classes inheriting from ValuePrinter should use a leading "_" for all
attributes other than those specified by the pretty-printing protocol.
This rule lets gdb add functionality over time.
Tom
next prev parent reply other threads:[~2025-11-18 18:42 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-18 14:14 Ezra.Sitorus
2025-11-18 17:12 ` Andrew Burgess
2025-11-18 18:37 ` Ezra Sitorus
2025-11-26 16:08 ` Ezra Sitorus
2025-11-18 18:42 ` Tom Tromey [this message]
2025-11-19 13:12 ` Ezra Sitorus
2025-11-19 15:58 ` Tom Tromey
2025-11-19 21:28 ` Ezra Sitorus
2025-12-16 16:39 ` Ezra Sitorus
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